JP7579904B2 - Lighting equipment - Google Patents

Description

The present invention relates to a lighting device that includes lighting equipment for normal use and lighting equipment for emergency use.

As an example of a lighting fixture that can be attached to a ceiling or wall, a lighting device with built-in emergency light has been proposed in which a regular lighting fixture and an emergency lighting fixture are installed in the same housing (for example, Patent Document 1). The lighting device in Patent Document 1 uses a storage battery, which is an emergency power source, as a power source to turn on the emergency lighting fixture in an emergency when the power supply from the commercial power source is stopped for some reason and the regular lighting fixture cannot be turned on.

Patent No. 6238162

The lighting device in Patent Document 1 has emergency lighting devices located at the longitudinal ends, and if regular lighting devices of the same dimensions as regular lighting devices are used, the overall length of the lighting device must be increased. Furthermore, if the overall length of the lighting device is made the same as that of regular lighting devices, the length of the regular lighting devices must be shortened by at least the length of the emergency lighting devices. Thus, with the technology disclosed in the past, it is necessary to design and manufacture either the lighting device or the regular lighting devices according to length dimensions that differ from those of regular lighting devices and regular lighting devices, which poses problems in terms of economy and ease of construction.

The present invention has been made to solve the above problems, and aims to provide a lighting device equipped with emergency lighting that is economical and easy to install, in a lighting device having both normal use lighting and emergency lighting.

The lighting device of the present invention comprises a lighting fixture to be attached to an attachment portion, a first lighting fixture that can be attached and detached freely to the lighting fixture, and a second lighting fixture that is provided on the lighting fixture so as to be aligned in the short direction of the first lighting fixture, and the second lighting fixture has a second light source unit that serves as a light source, a control unit that turns on the second light source unit, an operation unit having an operation button to be operated and an indicator, a base unit to which the second light source unit is directly attached by screwing it onto a plate surface on one side via an insulating member, and having an attachment unit on which the operation unit is attached on one side and the control unit is disposed on the other side opposite the one side, and an outer shell unit that houses the second light source unit, the control unit, the operation unit and the base unit, and has a through portion that exposes the second light source unit and the operation unit.

In the lighting device of the present invention, when the first lighting fixture is attached to the lighting fixture, the outer casing is arranged in the lighting fixture so as to separate the second light-emitting unit from the first light-emitting unit. Therefore, the lighting device can arrange the first lighting fixture and the second lighting fixture side by side in the lighting fixture. Since the lighting device can arrange the first lighting fixture and the second lighting fixture side by side in the lighting fixture, the first lighting fixture and the second lighting fixture can be arranged side by side in the short direction of the lighting device in a long lighting device. As a result, when designing and manufacturing the lighting device, it is not necessary to design and manufacture according to a length dimension different from that of a general lighting device and a general lighting fixture for regular use, and a lighting device equipped with an emergency lighting fixture that is economical and easy to install can be provided.

1 is a perspective view of a lighting device according to a first embodiment of the present invention, taken in a first direction. FIG. 2 is a perspective view of the lighting device according to the first embodiment of the present invention, viewed from a second direction. 1 is a front view of an illumination device according to a first embodiment of the present invention. FIG. 2 is a bottom view of the lighting device according to the first embodiment of the present invention. FIG. 2 is a rear view of the lighting device according to the first embodiment of the present invention. 1 is a top view of an illumination device according to a first embodiment of the present invention. 1 is a side view of a lighting device according to a first embodiment of the present invention. 1 is an exploded perspective view of a lighting device according to a first embodiment of the present invention; 5 is a cross-sectional view of the lighting device of FIG. 4 taken along line AA. FIG. 2 is a perspective view of the second lighting device of FIG. 1 in a third direction. FIG. 11 is an exploded perspective view of the second lighting device of FIG. 10 in a third direction. FIG. 11 is a perspective view of the second lighting device of FIG. 10 in a fourth direction. FIG. 13 is an exploded perspective view of the second lighting device of FIG. 12 in a fourth direction. FIG. 14 is an exploded perspective view of the second light source unit of FIG. 13 . FIG. 14 is a perspective view of the battery placed in the base of FIG. 13 . 5 is a cross-sectional view of the lighting device of FIG. 4 taken along line BB. 16 is a schematic cross-sectional view showing the installation and removal of the battery in FIG. 15. 17 is a schematic cross-sectional view showing the installation and removal of the battery in FIG. 16. 2 is a perspective view of the lighting device of FIG. 1 with an outer shell of a second lighting device removed. FIG. 7 is a cross-sectional view taken along line BB of a modified example of the lighting device according to the first embodiment of the present invention. FIG. FIG. 11 is a perspective view of a lighting device according to a second embodiment of the present invention, viewed from a first direction. FIG. 11 is a perspective view of the lighting device according to the second embodiment of the present invention, viewed from a second direction. FIG. 11 is a front view of a lighting device according to a second embodiment of the present invention. FIG. 11 is a bottom view of an illumination device according to a second embodiment of the present invention. FIG. 11 is a rear view of the lighting device according to the second embodiment of the present invention. FIG. 11 is a top view of an illumination device according to a second embodiment of the present invention. FIG. 11 is a side view of a lighting device according to a second embodiment of the present invention. FIG. 11 is a perspective view of a lighting device according to a third embodiment of the present invention, viewed from a first direction. FIG. 11 is a perspective view of the lighting device according to the third embodiment of the present invention, viewed from a second direction. FIG. 11 is a front view of an illumination device according to a third embodiment of the present invention. FIG. 11 is a bottom view of an illumination device according to a third embodiment of the present invention. FIG. 11 is a rear view of the lighting device according to the third embodiment of the present invention. FIG. 11 is a top view of an illumination device according to a third embodiment of the present invention. FIG. 11 is a side view of a lighting device according to a third embodiment of the present invention. FIG. 10 is a perspective view of a lighting device according to a fourth embodiment of the present invention, viewed from a first direction. FIG. 10 is a perspective view of a lighting device according to embodiment 4 of the present invention, viewed from a second direction. FIG. 11 is a front view of an illumination device according to a fourth embodiment of the present invention. FIG. 11 is a bottom view of an illumination device according to a fourth embodiment of the present invention. FIG. 11 is a rear view of the lighting device according to the fourth embodiment of the present invention. FIG. 11 is a top view of an illumination device according to a fourth embodiment of the present invention. FIG. 11 is a side view of a lighting device according to a fourth embodiment of the present invention. FIG. 11 is a perspective view of a lighting device according to a fifth embodiment of the present invention, viewed from a first direction. FIG. 13 is a perspective view of the lighting device according to the fifth embodiment of the present invention, viewed from a second direction. FIG. 13 is a front view of a lighting device according to a fifth embodiment of the present invention. FIG. 13 is a bottom view of an illumination device according to embodiment 5 of the present invention. FIG. 13 is a rear view of the lighting device according to the fifth embodiment of the present invention. FIG. 13 is a top view of an illumination device according to a fifth embodiment of the present invention. FIG. 13 is a side view of a lighting device according to a fifth embodiment of the present invention. 46 is a cross-sectional view of the lighting device of FIG. 45 taken along line EE. 43 is a perspective view of the second lighting device of FIG. 42 from a third direction. 43 is an exploded perspective view of the second lighting device of FIG. 42 in a third direction. 50 is a perspective view of the second lighting device of Figure 49 from a fourth direction. 50 is an exploded perspective view of the second lighting device of Figure 49 in a fourth direction. FIG. 52 is a detailed exploded perspective view of the second lighting device with the outer shell of FIG. 51 removed. FIG. 54 is a detailed exploded perspective view of the second lighting device with the outer shell of FIG. 53 removed. 46 is a cross-sectional view of the lighting device of FIG. 45 taken along line FF. 57 is a schematic cross-sectional view showing the installation and removal of the battery in FIG. 56.

Below, a lighting device 1 according to an embodiment of the present invention will be described with reference to the drawings. In each drawing, the same or corresponding components are given the same reference numerals, and repeated description may be omitted. The present invention is not limited to the embodiment described below. In addition, the size relationships between the components in the drawings may differ from the actual ones. In addition, in the description of the embodiment, directions or positions such as up, down, left, right, front, back, front, and back may be indicated. These notations are given for the convenience of explanation, and do not limit the arrangement, direction, or orientation of the device, equipment, or parts, etc.

Embodiment 1.
FIG. 1 is a perspective view in a first direction of the lighting device 1 according to the first embodiment of the present invention. FIG. 2 is a perspective view in a second direction of the lighting device 1 according to the first embodiment of the present invention. FIG. 3 is a front view of the lighting device 1 according to the first embodiment of the present invention. FIG. 4 is a bottom view of the lighting device 1 according to the first embodiment of the present invention. FIG. 5 is a rear view of the lighting device 1 according to the first embodiment of the present invention. FIG. 6 is a top view of the lighting device 1 according to the first embodiment of the present invention. FIG. 7 is a side view of the lighting device 1 according to the first embodiment of the present invention. FIG. 8 is an exploded perspective view of the lighting device 1 according to the first embodiment of the present invention. The configuration of the lighting device 1 according to the first embodiment will be described with reference to FIGS. 1 to 8.

In the following description, the direction along the longitudinal direction of the lighting device 1 is the longitudinal direction (X-axis direction). The short side direction perpendicular to the longitudinal direction (X-axis direction) and relative to the longitudinal direction (X-axis direction) is the short side direction (Y-axis direction). The direction perpendicular to both the longitudinal direction (X-axis direction) and the short side direction (Y-axis direction) is the up-down direction (Z-axis direction). In the up-down direction (Z-axis direction), the direction toward the mounting portion 9 such as the ceiling or wall to which the lighting device 1 is attached is the upward direction Z1. The direction opposite to the upward direction Z1 and toward the lighting space side to which light is irradiated from the lighting device 1 is the downward direction Z2. The upward direction Z1 is also the direction in which the first lighting device 20 is attached to the lighting device 10, and the downward direction Z2 is also the direction in which the first lighting device 20 is removed from the lighting device 10. The first direction in FIG. 1 is the direction in which the lighting device 1 is viewed from below the side on which the second lighting device 30 is not provided in the short side direction (Y-axis direction) of the lighting device 1. The second direction in FIG. 2 is the direction in which the lighting device 1 is viewed from below the side where the second lighting fixture 30 is provided, in the short-side direction (Y-axis direction) of the lighting device 1.

<Lighting device 1>
The lighting device 1 is installed at a position where it can illuminate the lighting space, and illuminates the lighting space. The lighting space means a space below where the lighting device 1 is installed, such as a residential space, a space such as a warehouse, a space such as a building or a public facility, a shared space such as an elevator or a corridor, or a space inside a vehicle such as a train or a ship. In the first embodiment, the lighting device 1 is a so-called V-shaped (150 mm wide) lighting device 1 as an example. Note that the lighting device 1 in the first embodiment is described by exemplifying a so-called V-shaped type lighting device, but the lighting device 1 is not limited to the V-shaped type lighting device 1. The lighting device 1 can be of other shapes, such as a so-called hooded type, a one-sided reflective hooded type, a trough type, etc.

The lighting device 1 includes an elongated lighting fixture 10 that is attached to a mounting portion 9 such as a ceiling or a wall, an elongated first lighting fixture 20 that is detachably attached to the lighting fixture 10, and a second lighting fixture 30 that is provided on the lighting fixture 10. In the lighting device 1, the first lighting fixture 20 and the second lighting fixture 30 are arranged side by side in the short side direction (Y axis direction). Here, in a plane parallel to the mounting portion 9, if a certain direction is defined as a first direction and a direction perpendicular to the first direction is defined as a second direction, as shown in Figures 3 to 7, the maximum dimension of the second lighting fixture 30 is smaller than the maximum dimension of the first lighting fixture 20 in the first direction and the second direction. The lighting fixture 10 is formed in an elongated shape, and the first direction is the longitudinal direction (X axis direction) of the lighting fixture 10, and the second direction is the short side direction (Y axis direction) of the lighting fixture 10.

[Lighting fixture 10]
As shown in FIG. 8 , the lighting fixture 10 has a fixture body 11 , a fixture end portion 12 , a fixture side connector 13 , a fixture side terminal block 14 , a fixture side fixing device 15 , and a fixture side power line 16 .

(Apparatus body 11)
The fixture body 11 is a housing that constitutes the outer shell of the lighting fixture 10. The fixture body 11 is attached to the mounting portion 9 using a fastener such as a bolt. The fixture body 11 has a fixture bottom 110, a fixture side 111, a fixture inclined portion 114, and a fixture side edge 117. The fixture bottom 110, the fixture side 111, the fixture inclined portion 114, and the fixture side edge 117 are integrally formed, for example, by bending a metal plate material. However, the fixture body 11 is not limited to being formed by bending a metal plate material, and may be formed using other materials such as resin and ceramic, and may be formed by other methods such as extrusion molding and additive manufacturing. In addition, the fixture bottom 110, the fixture side 111, the fixture inclined portion 114, and the fixture side edge 117 are not limited to being integrally formed, and may be formed separately as long as these members are reliably fixed to each other.

The fixture bottom 110 is a plate-like member formed in a long and rectangular shape along the longitudinal direction (X-axis direction) of the fixture body 11. The fixture side 111 is a pair of side walls rising from the sides at both ends of the short side direction (Y-axis direction) of the fixture bottom 110, and is a plate-like member formed in a long and rectangular shape along the longitudinal direction (X-axis direction) of the fixture body 11. As shown in FIG. 8, the fixture bottom 110 has a screw hole 113. As shown in FIG. 6, the second lighting fixture fixing device 80 such as a screw or rivet for fixing the second lighting fixture 30 to the fixture body 11 is attached to the screw hole 113. As shown in FIG. 8, the fixture side 111 has a wire hole 112 formed therein. The wire hole 112 is a through hole formed in the fixture side 111. A power line is inserted through the wire hole 112, which serves as a path for supplying power from the power supply unit 23, which is the lighting device for the first lighting device 20 (described below), to the second lighting device 30.

The fixture body 11 forms a storage section 18 formed in a concave shape by the fixture bottom 110, the fixture side section 111, and an end plate 120 of the fixture end section 12 described below. The storage section 18 is a first space formed in the lighting fixture 10. The storage section 18 has a bottom surface section formed by the fixture bottom 110, a side wall section extending in the longitudinal direction formed by the fixture side section 111, and a side wall section extending in the lateral direction formed by the end plate 120. The first lighting device 20 is removably attached to this storage section 18, and a part of the first lighting device 20 is stored therein. In other words, the first space is a storage space for the first lighting device 20.

The fixture inclination portions 114 are inclined walls provided in pairs on both sides of the storage portion 18 in the short-side direction (Y-axis direction) of the fixture main body 11. The fixture inclination portions 114 are formed so as to be inclined with respect to the mounting surface of the mounting portion 9. The pair of fixture inclination portions 114 are formed from each of the long side edges of the fixture side edge portion 117 to the upper side (Z1 side) and away from the storage portion 18. That is, the fixture inclination portions 114 are inclined so that the distance between the ends on the mounting portion 9 side in the vertical direction (Z-axis direction) of the fixture main body 11 is wider than the distance between the ends on the lighting space side. In the lighting device 1, the storage portion 18 is formed between the pair of fixture inclination portions 114 in the short-side direction (Y-axis direction). The fixture inclination portions 114 form an inclined surface and may reflect light emitted from the light source toward the lighting space.

The appliance side edge 117 is an edge of the storage section 18 that is provided in a pair on both sides of the storage section 18 in the short direction (Y-axis direction) of the appliance main body 11. The appliance side edge 117 is formed between the appliance side section 111 and the appliance inclined section 114. The appliance side edge 117 is formed at the tip of the appliance side section 111 opposite the appliance bottom section 110, and is formed in a pair so as to be spaced apart from each tip of the pair of appliance side sections 111. The appliance side edge 117 constitutes the underside of the appliance main body 11.

The fixture inclination portion 114 and the fixture side edge portion 117 formed on one side of the fixture body portion 11 in the short direction (Y-axis direction) across the storage portion 18 are formed with a fixture penetration portion 115, which is a through hole. The fixture penetration portion 115 is formed in the center of the fixture body portion 11 in the longitudinal direction (X-axis direction). As shown in FIG. 4, the fixture penetration portion 115 is formed in a rectangular shape in the fixture body portion 11 in a plan view of the mounting portion 9 from the lighting space side. The second lighting device 30 described later is inserted into this fixture penetration portion 115, and the second lighting device 30 is arranged in the fixture penetration portion 115 so as to protrude from the fixture inclination portion 114 and the fixture side edge portion 117 to the lighting space side. Therefore, the fixture penetration portion 115 only needs to be formed in accordance with the shape and dimensions of the outer casing portion 42 of the second lighting device 30 described later, and is not limited to a shape formed in a rectangular shape in a plan view of the mounting portion 9 from the lighting space side. The instrument penetration portion 115 functions as an attachment/detachment opening or attachment/detachment opening for the outer shell portion 42.

(Instrument End 12)
The fixture end portion 12 is disposed at both ends in the longitudinal direction (X-axis direction) of the fixture body portion 11. The fixture end portion 12 has an end plate 120 covering the end portion in the longitudinal direction (X-axis direction) of the fixture body portion 11. The end plate 120 constitutes a side wall of the fixture body portion 11 extending in the short direction (Y-axis direction) of the fixture body portion 11. The end plate 120 of the fixture end portion 12 is disposed at the end portion in the longitudinal direction (X-axis direction) of the fixture inclined portion 114 and the fixture side edge portion 117, and constitutes the outer shell of the lighting fixture 10 together with the fixture inclined portion 114 and the fixture side edge portion 117 of the fixture body portion 11.

The end plate 120 is formed with a knockout portion 121 that forms a through hole in the end plate 120 by removing a part of the wall that constitutes the end plate 120. The knockout portion 121 is a portion of the end plate 120 that has been knocked out, and is a portion that can be easily drilled on site by, for example, tapping or cutting. The knockout portion 121 is, for example, a plurality of continuous through holes formed like perforations along the periphery of the wall to be cut out of the end plate 120. The form of the knockout processing is not limited to a plurality of continuous through holes, and the end plate 120 may be knocked out in other forms. In addition, the knockout portion 121 is provided so as to be removable from the end plate 120 by knockout processing, but the knockout portion 121 may be provided so as to be removable from the end plate 120 by engagement with a claw or by adhesion, etc., other than knockout processing. For example, an electric wire for feeding wiring is inserted into the through hole formed by the knockout portion 121.

(Apparatus side connector 13 and appliance side fixture 15)
The fixture side connector 13 constitutes a connection mechanism for detachably connecting the first lighting device 20 to the lighting device 10. The fixture side connector 13 holds the first lighting device 20 when the first lighting device 20 is attached to the lighting device 10. The fixture side connector 13 is a leaf spring, and is formed of an elastic material such as stainless steel material or spring steel material. The fixture side connector 13 may be formed by bending an elastic material of a plate material, or may be formed by bending an elastic material of a wire material. The fixture side connector 13 engages with a lighting device side connector (not shown) of the first lighting device 20. As shown in FIG. 8, two fixture side connectors 13 are attached to the fixture bottom 110, and are arranged along the longitudinal direction (X-axis direction) of the fixture bottom 110 that constitutes the storage section 18. The fixture side connector 13 is arranged on the end side with respect to the center in the longitudinal direction (X-axis direction) of the fixture bottom 110. Moreover, the pair of tool-side connectors 13 are disposed on the tool bottom 110 so that the tips of the springs face in opposite directions. The tool-side fixing device 15 is a member for fixing the tool-side connector 13 to the tool body 11, and is, for example, a screw.

(Appliance side terminal block 14)
The fixture-side terminal block 14 is connected to an external power source (not shown) drawn into the fixture body 11 from the outside, and supplies power supplied from a commercial power source to the first lighting fixture 20. The fixture-side terminal block 14 is attached to the fixture bottom 110 of the fixture body 11 and fixed to the fixture bottom 110. An external electric wire (not shown) for receiving power from the external power source is connected to the fixture-side terminal block 14. In addition, a fixture-side power line 16 for supplying power to a power source unit 23 of the first lighting fixture 20 (described later) is connected to the fixture-side terminal block 14.

(Appliance side power line 16)
The fixture-side power line 16 has an electric wire portion 160 that connects the fixture body 11 and the first lighting fixture 20. One end of the electric wire portion 160 of the fixture-side power line 16 is connected to the fixture-side terminal block 14, and the other end is provided with a connector 161 for connecting to a power supply-side power line (not shown) of the first lighting fixture 20.

[First lighting device 20]
FIG. 9 is a cross-sectional view of the lighting device 1 in FIG. 4 taken along line A-A. The configuration of each part of the first lighting fixture 20 will be described with reference to FIG. 1, FIG. 4, FIG. 8, and FIG. 9. The first lighting fixture 20 is a lighting fixture for regular use, and power is supplied to the first light source unit 21, which serves as a light source, from outside the lighting device 1 via the fixture-side terminal block 14 during normal operation. Note that normal operation refers to a state in which power from a commercial power source or the like is supplied to the lighting device 1 from outside the lighting device 1. In addition, emergency operation refers to a state in which power is not supplied to the lighting device 1 from outside the lighting device 1 for some reason, such as a power outage. During normal operation, when the lighting device 1 is turned on, the lighting device 1 irradiates light from the first lighting fixture 20 to illuminate the lighting space.

As shown in FIG. 4, the first lighting fixture 20 is attached to the lighting fixture 10 to form the lighting device 1. The first lighting fixture 20 is formed in an elongated shape and is used by being attached to the fixture body 11 of the lighting fixture 10. A part of the first lighting fixture 20 is housed in the housing 18 of the fixture body 11, and is detachably attached to the fixture body 11. As shown in FIG. 9, the first lighting fixture 20 has a first light source section 21, a first light-transmitting section 22, a power supply section 23, and a support section 24. The first lighting fixture 20 also has a lighting fixture side connecting section (not shown) that engages with the fixture side connecting section 13. The lighting fixture side connecting section, together with the fixture side connecting section 13, forms a connecting mechanism for detachably connecting the first lighting fixture 20 to the fixture body 11.

(First light source unit 21)
The first light source unit 21 is a light source that emits light. The first light source unit 21 is turned on by a first lighting power supplied from a first lighting device. The first lighting device is a power supply unit 23 described later. The first light source unit 21 is disposed in a space surrounded by the first light transmitting unit 22 and the support unit 24 in a state in which the first light transmitting unit 22 is attached to the support unit 24. The first light source unit 21 is formed long, and has a first light source element 211 and a first light source board 210 on which the first light source element 211 is mounted, as shown in FIG. 9. In addition, an electric wire (not shown) for electrically connecting the first light source unit 21 to the power supply unit 23 described later is connected to one end of the first light source unit 21 in the longitudinal direction (X-axis direction).

The first light source element 211 emits light when power is supplied. In this embodiment, a light emitting diode (LED) element is used as the first light source element 211. The first light source elements 211 are arranged in a row along the longitudinal direction (X-axis direction) on the mounting surface of the first light source substrate 210. The arrangement of the first light source elements 211 on the first light source substrate 210 is not limited to a row arrangement, and may be arranged in a plurality of rows, or may be arranged in a staggered pattern. In addition, instead of an LED, the first light source element 211 may be, for example, a solid state laser, a semiconductor laser, an organic EL (Electro Luminescence), or an inorganic EL. The first light source substrate 210 is an elongated plate-like member extending in the longitudinal direction (X-axis direction) of the first illuminator 20. For example, a glass-epoxy substrate (FR-4), a glass-composite substrate (CEM-3), a paper-epoxy substrate (FR-3), a paper-phenol substrate (XPC), a metal-based substrate, etc., may be used for the first light source substrate 210.

(First light transmitting portion 22)
The first light transmitting section 22 receives the light emitted by the first light source section 21, transmits the light, and irradiates the light. The first light transmitting section 22 is made of a light transmitting material that transmits at least visible light. The material of the first light transmitting section 22 may be, for example, a milky resin material, or a resin material mixed with a diffusing material. The first light transmitting section 22 may be made of, for example, a resin material such as polycarbonate or acrylic. The first light transmitting section 22 is formed long so as to cover the first light source section 21, and is attached to a side end of the support section 24 described later. The first light transmitting section 22 has a main section 220, an attachment section 221, and a lid section 226.

The main part 220 is a first light emitting part, covers the first light source part 21, and transmits the light emitted from the first light source part 21. The main part 220 is a part of the first translucent part 22, and covers the first light source part 21 and faces the first light source part 21 when the first translucent part 22 is attached to the support part 24. Therefore, the main part 220 is a part in the first translucent part 22 where the light emitted by the first light source part 21 enters and transmits the light to irradiate. The light emitted from the first light source part 21 enters from the first entrance part 222 constituting the inner surface part of the first translucent part 22 and is emitted to the outside from the first exit part 223 constituting the outer surface part of the first translucent part 22. In a vertical cross section with respect to the longitudinal direction (X-axis direction), the main part 220 has a lower end formed in an arc shape as shown in FIG. The main portion 220 is not limited to a shape in which the lower end is formed in an arc shape as shown in FIG. 9 in a cross section perpendicular to the longitudinal direction (X-axis direction), and the cross-sectional shape of the main portion 220 may be other shapes. For example, the main portion 220 may have a straight portion or a curved portion in a cross section perpendicular to the longitudinal direction (X-axis direction), or may have both a straight portion and a curved portion. The surface of the main portion 220 may be a planar shape formed from one plane or a polyhedral shape formed from multiple planes, or may be a shape formed from one or multiple curved surfaces.

The mounting portion 221 is a portion of the first translucent portion 22 that engages with the support portion 24. The mounting portion 221 is provided on the end side of the center portion in the short side direction (Y axis direction) of the first translucent portion 22. The mounting portions 221 are provided in pairs in the short side direction (Y axis direction) of the first translucent portion 22. The mounting portions 221 are formed to protrude upward from the main portion 220, and are formed to extend in the up-down direction (Z axis direction) when the first lighting device 20 is attached to the lighting fixture 10. In the up-down direction (Z axis direction), one end of the mounting portion 221 is continuous with the main portion 220, and the other end of the mounting portion 221 is bent in a hook shape toward the center side in the short side direction (Y axis direction). A hook-shaped portion formed at the end of the attachment portion 221 hooks onto the erected portion 241, and the first light transmitting portion 22 engages with the support portion 24 and is attached to the support portion 24. The attachment portion 221 may have any other shape as long as it has a structure that engages with the erected portion 241. The attachment portions 221 may be formed continuously along the longitudinal direction (X-axis direction) of the first light transmitting portion 22, or may be formed at intervals along the longitudinal direction (X-axis direction) of the first light transmitting portion 22.

The lid portion 226 is disposed at the end of the first light-transmitting portion 22 in the longitudinal direction (X-axis direction), and closes the opening formed at the end of the first light-transmitting portion 22 in the longitudinal direction (X-axis direction), and distributes the light irradiated by the first light source portion 21 in the longitudinal direction (X-axis direction). The lid portion 226 is formed of a material having transparency and diffusion properties, such as acrylic resin, and is joined to the main portion 220 by a joining means such as adhesive bonding or heat welding. In the first embodiment, the lid portion 226 is configured separately from the main portion 220 and the mounting portion 221, but the lid portion 226 may be formed integrally with the main portion 220 and the mounting portion 221. The lid portion 226 is not limited to distributing the light irradiated by the first light source portion 21 in the longitudinal direction (X-axis direction), and may be a portion that blocks the light irradiated by the first light source portion 21.

(Power supply unit 23)
The power supply unit 23 supplies power supplied from the outside through the fixture-side terminal block 14 to the first light source unit 21, and lights up the first light source element 211. The power supply unit 23 is a first lighting device of the lighting device 1. As shown in FIG. 9, the power supply unit 23 is fixed to the surface of the support unit 24 opposite to the surface to which the first light source unit 21 is attached by a power supply side fixture (not shown). The power supply side fixture is, for example, a screw, a screw and a nut, or a rivet. The power supply unit 23 has a case 230 having a substantially rectangular parallelepiped shape, a power supply board housed inside the case 230, and power supply circuit components (not shown) mounted on the power supply board. The power supply unit 23 also has a power supply side power line (not shown) connected to the first light source unit 21.

(Support portion 24)
The support section 24 is a member on which a lighting device side connector (not shown) for attaching the first lighting device 20 to the lighting fixture 10 is provided, and is a member on which the first light source section 21, the first light transmitting section 22, and the power source section 23 are attached. As shown in FIG. 9, the support section 24 has a base section 240 formed in a long rectangular plate shape along the longitudinal direction (X-axis direction) and standing sections 241 rising from both ends of the base section 240 in the short direction (Y-axis direction). The support section 24 also has a power source section arrangement section 242 formed in a plate shape protruding from the base section 240 on the side on which the standing sections 241 rise. The support section 24 is formed of a reflective material, but a reflective paint may be used, or a reflective material may be arranged on the base material.

The base 240 is formed in a long plate shape as described above, and the power supply unit 23 and the lighting fixture side connector (not shown) are arranged on one plate surface side, and the first light source unit 21 is attached to the wall portion on the other plate surface side. The standing portion 241 is formed so as to extend upward (Z1 direction) from the base 240 when the first lighting fixture 20 is attached to the lighting fixture 10. The standing portion 241 is also formed along the longitudinal direction (X axis direction) of the base 240. In the vertical direction (Z axis direction), one end of the standing portion 241 is continuous with the base 240, and the other end of the standing portion 241 has a rounded edge and is bent in an arc shape toward the center in the short direction (Y axis direction). The attachment portion 221 of the first light transmitting portion 22 hooks onto the end of the erected portion 241, so that the first light transmitting portion 22 engages with the support portion 24 and is attached to the support portion 24. The power supply unit placement portion 242 is a plate-shaped portion located above (on the Z1 side) the base portion 240 when the first lighting device 20 is attached to the lighting fixture 10. In other words, the base portion 240 and the imaginary extension plane of the power supply unit placement portion 242 are parallel. The power supply unit placement portion 242 is formed in the center of the base portion 240 in the short side direction (Y-axis direction) of the base portion 240. The power supply unit 23 is placed in the power supply unit placement portion 242.

[Second lighting device 30]
An overview of the second lighting device 30 will be described with reference to Figures 1 to 9. The second lighting device 30 is an emergency lighting device that emits light to illuminate the illumination space in an emergency when power is not supplied to the illumination device 1 from outside the illumination device 1 for some reason, such as a power outage.

The second lighting fixture 30 is attached to the lighting fixture 10 and constitutes the lighting device 1 together with the first lighting fixture 20. The second lighting fixture 30 is arranged outside the storage section 18 in the short side direction (Y axis direction) of the lighting fixture 10. The second lighting fixture 30 is formed in an elongated shape and is attached along the longitudinal direction (X axis direction) of the lighting fixture 10. The second lighting fixture 30 is also provided in the center of the longitudinal direction (X axis direction) of the lighting fixture 10. The second lighting fixture 30 is arranged side by side with the first lighting fixture 20 in the short side direction (Y axis direction) of the lighting fixture 10. The second lighting fixture 30 is arranged so that the longitudinal direction of the first lighting fixture 20 and the longitudinal direction of the second lighting fixture 30 are parallel in the lighting fixture 10 in a plan view of the mounting portion 9 seen from the lighting space side. The second lighting fixture 30 is provided so as to protrude from the fixture penetration portion 115 formed in the fixture inclination portion 114.

Figure 10 is a perspective view of the second lighting device 30 in Figure 1 in the third direction. Figure 11 is an exploded perspective view of the second lighting device 30 in Figure 10 in the third direction. Figure 12 is a perspective view of the second lighting device 30 in Figure 10 in the fourth direction. Figure 13 is an exploded perspective view of the second lighting device 30 in Figure 12 in the fourth direction. Figure 14 is an exploded perspective view of the second light source unit 31 in Figure 13. The configuration of the second lighting device 30 will be described in more detail using Figures 9 to 14. The third direction in Figures 10 and 11 is a perspective view of the second lighting device 30 when the lighting device 1 is viewed from the outside to the inside of the lighting device 1 and from the lighting space side to the mounting part 9 side in the short side direction (Y axis direction) of the lighting device 1. Also, the fourth direction in Figures 12 and 13 is a perspective view of the second lighting device 30 when the lighting device 1 is viewed from the inside to the outside of the lighting device 1 and from the lighting space side to the mounting part 9 side in the short side direction (Y axis direction) of the lighting device 1. 10 to 14, the up-down direction (Z-axis direction) on the paper illustrating the second lighting device 30 is shown opposite to the up-down direction (Z-axis direction) on the paper of the lighting device 1 in FIG. 1. Also, FIGS. 11 and 13 show the second lighting device 30 with the battery 70 removed. As shown in FIGS. 13 to 15, the second lighting device 30 has a second light source unit 31, a control unit 34, an operation unit 36, an insulating unit 38, a housing unit 40, a holding member 50, a battery 70, a second lighting device fixing device 80, and a hanging cord 60.

(Second light source unit 31)
The second light source unit 31 is a light source for emergency use and emits light. The second light source unit 31 is turned on by the second lighting power supplied from the second lighting device. The second lighting device is the control unit 34 described later. As shown in FIG. 10 and FIG. 12, the second light source unit 31 is housed in the housing unit 40 with a part of the configuration such as the second light transmitting unit 312 exposed from the housing unit 40. When the outer shell unit 42 is attached to the base unit 44, the second light source unit 31 is disposed between the base unit 44 and the outer shell unit 42. As shown in FIG. 14, the second light source unit 31 has a second light source board 310, a second light emitting element 311, a second light transmitting unit 312, a holding unit 317, and a second light source unit fixing tool 327.

The second light source substrate 310 is a plate-shaped member on which the second light emitting element 311 is mounted. For example, a glass-epoxy substrate (FR-4), a glass-composite substrate (CEM-3), a paper-epoxy substrate (FR-3), a paper-phenol substrate (XPC), a metal-based substrate, etc., can be used for the second light source substrate 310.

The second light-emitting element 311 emits light when power is supplied. In this embodiment, a light-emitting diode (LED) element is used as the second light-emitting element 311. The second light-emitting elements 311 are arranged in pairs along the longitudinal direction (X-axis direction) on the mounting surface of the second light source substrate 310. The number of second light-emitting elements 311 is not limited to two, and may be one or three or more. The arrangement of the second light-emitting elements 311 on the second light source substrate 310 is not limited to the aspect of being arranged in the longitudinal direction (X-axis direction), and may be arranged, for example, in the transverse direction (Y-axis direction) or at an angle to the longitudinal direction or transverse direction. Instead of an LED, the second light-emitting element 311 may be, for example, a solid-state laser, a semiconductor laser, an organic electroluminescence (EL), or an inorganic EL.

The second light-transmitting portion 312 receives the light emitted by the second light-emitting element 311 and transmits the light for irradiation. The second light-transmitting portion 312 is made of a light-transmitting material that transmits at least visible light. The second light-transmitting portion 312 can be made of, for example, a resin material or a glass material. The second light-transmitting portion 312 is formed in an oval shape. The second light-transmitting portion 312 has two lens portions 313 and an attachment portion 316 that forms the edge of the second light-transmitting portion 312.

The lens portion 313 is the second light-emitting portion, covers the second light source portion 31, and transmits the light emitted from the second light source portion 31. The lens portion 313 also controls the distribution of light emitted from the second light-emitting element 311. When the second translucent portion 312 is attached to the holding portion 317, the lens portion 313 covers the second light-emitting element 311 as shown in FIG. 9. Here, the dotted line Lt1 shown in FIG. 9 is a line comparing the position of the tip of the lens portion 313 on the irradiation side with the position of the tip of the main portion 220 of the first translucent portion 22 constituting the first lighting device 20 on the irradiation side. Also, the dotted line Lt2 is a line comparing the mounting position of the lens portion 313 with the mounting position of the main portion 220 of the first translucent portion 22 constituting the first lighting device 20. As can be seen from the dotted line Lt2, the installation position of the lens part 313 of the lighting device 1 is disposed closer to the lighting space side than the installation position of the main part 220 of the first lighting tool 20. That is, the lens part 313 is disposed at a higher position than the main part 220 with respect to the installation surface of the attachment part 9 as a reference. Also, as can be seen from the dotted line Lt1, the distance between the tip of the lens part 313 on the irradiation side and the installation surface of the attachment part 9 is approximately equal to the distance between the tip of the main part 220 of the first lighting tool 20 on the irradiation side and the installation surface of the attachment part 9. Note that, in the lighting device 1, it is sufficient that a partition is provided between the main part 220 of the first lighting tool 20 and the lens part 313 of the second lighting tool 30, and the positional relationship between the lens part 313 and the main part 220 is not limited to the above-mentioned positional relationship. The second incident part 314 constituting the inner surface part of the lens part 313 faces the second light-emitting element 311 as shown in FIG. 9. The light emitted from the second light emitting element 311 enters the second entrance portion 314 of the lens portion 313 and is emitted to the outside from the second exit portion 315 that constitutes the outer surface portion of the lens portion 313. Therefore, the second exit portion 315 of the lens portion 313 becomes the light emitting portion of the second light source portion 31. As shown in FIG. 14, the attachment portion 316 is a flange portion formed on the periphery of the lens portion 313. When the second light transmitting portion 312 is attached to the holding portion 317, the attachment portion 316 is guided by the attachment guide 321 of the holding portion 317 and engages with the holding protrusion 320 of the holding portion 317.

The holding portion 317 is for fixing the second light source substrate 310 and the lens portion 313 to the base portion 44 described below. The holding portion 317 has a main holding portion 318, a secondary holding portion 324, and a connection portion 326.

The main holder 318 is formed in a plate shape and serves as a base on which the second light-transmitting portion 312, which functions as a lens, is attached. The main holder 318 has a holding protrusion 320 that holds the attached second light-transmitting portion 312. The holding protrusion 320 is provided on a side wall 318a that rises from the main holder 318, and is a protruding portion that protrudes inward from the side wall 318a. The holding protrusion 320 holds the second light-transmitting portion 312 by sandwiching the second light-transmitting portion 312 together with the main holder 318 from the top and bottom (Z-axis direction). The second light-transmitting portion 312 is placed in the lens holder 319 of the main holder 318 by the holding protrusion 320. The holder 317 forms a mounting guide 321 between the lens holder 319 and the holding protrusion 320. The mounting guide 321 is a groove formed between the lens holder 319 and the holding protrusion 320. The mounting guide 321 fits into the mounting portion 316 of the second light transmitting portion 312 when the second light transmitting portion 312 is attached to the holding portion 317, and guides the sliding of the attached second light transmitting portion 312. A through hole 322 is formed in the main holding portion 318. The through hole 322 is formed so as to be located above the mounting range of the second light emitting element 311. In the second light transmitting portion 312 attached to the main holding portion 318, the lens portion 313 and the second light emitting element 311 face each other through the through hole 322. Therefore, the light emitted from the second light emitting element 311 reaches the lens portion 313 through the through hole 322. A main portion screw hole 323 is further formed in the main holding portion 318. The main portion screw hole 323 is formed in two places in the main holding portion 318 with the lens holding portion 319 in between. The main screw hole 323 is a hole through which the second light source unit fixing device 327 for fixing the second light source unit 31 to the base unit 44 is inserted. Of the main screw holes 323 formed in two locations, one of the main screw holes 323 overlaps with the secondary screw hole 325 formed in the holding secondary unit 324 and communicates with the secondary screw hole 325.

The secondary holding portion 324 is a plate-shaped member that engages the second light-transmitting portion 312 arranged in the lens holding portion 319 so that the second light-transmitting portion 312 does not slip out of the mounting guide 321. The secondary holding portion 324 also fixes the second light-transmitting portion 312 so that the second light-transmitting portion 312 does not rattle within the mounting guide 321. The secondary holding portion 324 is formed with a secondary screw hole 325. The secondary screw hole 325 is a hole through which a second light source unit fixing tool 327 for fixing the second light source unit 31 to the base unit 44 is inserted. The secondary screw hole 325 overlaps with the main screw hole 323 formed in the main holding portion 318 and communicates with the main screw hole 323.

The connection section 326 is a section that connects the main retaining section 318 and the secondary retaining section 324. In the first embodiment, the connection section 326 is configured as a single component by connecting the main retaining section 318 and the secondary retaining section 324.

The second light source unit fixing device 327 is a member that fixes the second light source unit 31 to the base unit 44. The second light source unit fixing device 327 is, for example, a screw, a rivet, or the like. The second light source unit fixing device 327 is inserted into the main part screw hole 323 formed in the main holding part 318 and the secondary part screw hole 325 formed in the secondary holding part 324.

(Control unit 34)
Next, the control unit 34 will be described with reference to Fig. 13. The control unit 34 turns on the second light source unit 31 and controls the lighting of the second light source unit 31. The control unit 34 is a second lighting device of the lighting device 1. The control unit 34 also performs an inspection operation of the second light source unit 31 and controls the inspection operation of the second light source unit 31. The control unit 34 also has a battery 70 described later, stores electricity in the battery 70, and controls the storage of electricity in the battery 70. For example, the control unit 34 controls switching between storing electricity in the battery 70 and discharging the battery 70.

The control unit 34 has a control board 340 and control circuit components 341, and constitutes a storage circuit, a discharge circuit, a control circuit, etc. The control board 340 is a plate-shaped member, and mounts the control circuit components 341. The control circuit components 341 have, for example, a storage device that stores a program, a CPU (Central Processing Unit) that executes the program, etc.

The control unit 34 also has a case 342 and a control unit fixing device 346. The case 342 is formed in a box shape and houses the control board 340 inside. The case 342 has a first case 343 and a second case 345. The first case 343 is a so-called bottom case, and is a container to which the control board 340 is attached. The first case 343 has a case bottom wall 343a formed in a plate shape and a pair of case side walls 343b that rise from the case bottom wall 343a so as to face each other. A screw hole 344 is formed in the case bottom wall 343a of the first case 343. This screw hole 344 is a hole through which the control unit fixing device 346 for fixing the control unit 34 to the pedestal part 44 and the base part 41 is inserted. The second case 345 is a so-called upper case, and is a lid that covers the upper part of the first case 343. That is, the second case 345 covers the upper part of the control board 340 attached to the first case 343 in the control unit 34. The control unit fixing device 346 fixes the control unit 34 to the pedestal portion 44 and the base portion 41. The control unit fixing device 346 is, for example, a screw, a nut, a rivet, etc.

(Operation unit 36)
Next, the operation unit 36 will be described with reference to Fig. 13. The operation unit 36 is used for inspecting the lighting device 1. The operation unit 36 has an operation surface 360 and an operation unit fixing device 363. The operation surface 360 has an operation button 361 operated by an operator and an indicator light 362. The indicator light 362 displays the power supply state, for example, as a so-called indicator. The operation unit fixing device 363 fixes the operation unit 36 to the base 44. The operation unit fixing device 363 is, for example, a screw, a nut, a rivet, or the like.

(Insulating portion 38)
Next, the insulating portion 38 will be described with reference to FIG. 14. The insulating portion 38 is a plate-shaped member and an insulating sheet. The insulating portion 38 is disposed in the second lighting device 30 between the second light source board 310 of the second light source unit 31 and the second light source unit mounting portion 440 of the base unit 44 described later. The insulating portion 38 electrically insulates the second light source board 310 of the second light source unit 31 from the second light source unit mounting portion 440 of the base unit 44. An insulating portion screw hole 380 is formed in the insulating portion 38. The insulating portion screw hole 380 is formed in two places. The insulating portion screw hole 380 is a hole through which a second light source unit fixing device 327 for fixing the second light source unit 31 to the base unit 44 is inserted. By fixing the main holder 318 of the second light source unit 31 to the second light source unit mounting portion 440 of the base portion 44 , the insulating portion 38 is also fixed to the second light source unit mounting portion 440 of the base portion 44 .

(Housing unit 40)
Next, the housing 40 of the second lighting device 30 will be described with reference to Figs. 9 to 14. The housing 40 constitutes the outer shell of the second lighting device 30. As shown in Figs. 10 and 11, the housing 40 is formed in a box shape by an outer shell 42 and a base 41, and forms a second space 45 inside as shown in Fig. 9. The second space 45 formed by the housing 40 accommodates the second light source 31, the control unit 34, the operation unit 36, and the insulating unit 38. The housing 40 also covers the second light source 31 and forms the second space 45 in which the second light source 31 and the control unit 34 are accommodated together with a lens unit 313 that transmits light emitted from the second light source 31. 10 and 12, the second lighting device 30 is covered with a housing 40 that houses the entire optical system including the second light source 31, and the lens 313 and the outer shell fixing device 432 are exposed, but neither of them protrudes beyond the outer surface 420a of the housing 40. Therefore, the housing 40 serves as a partition between the first lighting device 20, which is a normal light source, and the second lighting device 30, which is an emergency light source. As shown in FIG. 13, the housing 40 has a base 41 fixed to the lighting device 10, a pedestal 44 fixed to the base 41, and an outer shell 42 detachably attached to the pedestal 44.

The base 41 is a part that serves as a base for housing the second light source unit 31 as a base unit. The base 41 has a base bottom 410, a base side 414, and a base protrusion 415. The base bottom 410 is a member formed in a rectangular plate shape. A pedestal 44 and a holding member 50 (described later) are attached to the base bottom 410. The base bottom 410 has a holding member fixing portion 411 as shown in Figs. 11 and 13, and a screw hole 412 and a mounting hole 413 as shown in Fig. 6.

The holding member fixing portion 411 is a bridge-shaped cut-and-raised portion. In other words, the holding member fixing portion 411 is a plate material cut and raised from the base bottom portion 410, and both ends are formed continuous with the base bottom portion 410. The fixing portion 51 of the holding member 50 is inserted into the holding member fixing portion 411. The screw hole 412 is a hole through which a mounting tool such as a screw for mounting the control portion 34 and the pedestal portion 44 to the base bottom portion 410 is inserted. The mounting hole 413 is a hole through which a holding member fixing tool 54 for fixing the holding member 50 to the base bottom portion 410 is inserted.

The base side parts 414 guide the movement of the outer shell part 42 when the outer shell part 42 is attached to the base part 41. The base side parts 414 are side walls rising from the edges of the base bottom part 410. The base side parts 414 are provided along the longitudinal direction (X-axis direction) of the elongated base bottom part 410, and are provided so as to be disposed at both ends of the base bottom part 410 in the longitudinal direction (X-axis direction). In other words, the base side parts 414 are formed so as to be disposed on three adjacent sides of the rectangular base bottom part 410.

The base extension 415 is an attachment portion for attaching the second lighting fixture 30 to the fixture bottom 110 of the lighting fixture 10. The base extension 415 is a plate material that is continuously connected to the base bottom 410 and is formed integrally with the base bottom 410, and is provided to extend from the base bottom 410. The base extension 415 is provided on one side of the base bottom 410 where the base side 414 is not provided. As shown in FIG. 13, the base extension 415 extends to the opposite side via the pedestal 44 with respect to the base side 414 of the portion provided along the longitudinal direction (X-axis direction) of the base bottom 410. When the second lighting fixture 30 is placed on the lighting fixture 10, the base extension 415 faces and abuts against the fixture bottom 110. A screw hole 416 is formed in the base extension 415. The screw hole 416 is a hole through which the second lighting fixture fixing device 80 described below is inserted to fix the second lighting fixture 30 to the fixture bottom 110 of the lighting fixture 10.

The outer shell 42 constitutes the outer shell of the second lighting device 30 and constitutes the exterior design part of the second lighting device 30. The outer shell 42 is formed using a light-shielding material. The outer shell 42 is also formed using a flame-retardant or non-flammable material. The outer shell 42 is also formed using a thermally conductive material. As shown in Figures 11 and 13, the outer shell 42 is formed in a rectangular prism-like box shape with an opening 42a formed on one side. The outer shell 42 is detachably attached to the base 41 in the second lighting device 30. More specifically, the outer shell 42 is attached to the pedestal 44 so as to cover the base 41. By attaching the outer shell 42 to the pedestal 44, the outer shell 42 is attached to the base 41 via the pedestal 44. By attaching the outer shell 42 to the base 44, the outer shell 42 covers and accommodates the second light source 31 except for the exposed portion, the control unit 34, the operation unit 36 except for the exposed portion, and the insulating unit 38. That is, the outer shell 42 accommodates the second light source 31 and the lens unit 313 inside with the lens unit 313, which is the second light emitter, exposed. The outer shell 42 forms a second space 45 in which the second light source 31 is accommodated together with the lens unit 313, which is the second light emitter. In addition, by attaching the outer shell 42 to the base 44, the outer shell 42 covers and accommodates the base 41 except for the base protrusion 415, the base 44, the battery 70, and the holding member 50 inside. The outer shell 42 has an outer shell main part 420, an outer shell long side part 427, an outer shell short side part 431, and an outer shell fixing device 432.

The outer shell main part 420 is a wall located on the surface facing the opening 42a formed in the outer shell part 42. The outer shell main part 420 is a plate-like wall formed in a rectangular and elongated shape. The outer shell main part 420 faces the base bottom part 410 when the outer shell part 42 is attached to the base part 44. The outer shell main part 420 forms part of the underside part of the lighting device 1 when the second lighting device 30 is attached to the lighting fixture 10. The outer shell main part 420 has a second translucent member arrangement part 421 and an operation part arrangement part 425.

The second translucent member arrangement portion 421 is a portion of the outer main portion 420 that faces the second translucent portion 312 arranged inside the housing portion 40. That is, in the second lighting device 30, the second translucent portion 312 is arranged below the second translucent member arrangement portion 421. The second translucent member arrangement portion 421 has a step portion 422.

The step portion 422 is a flat wall portion formed so that the wall of the outer main part 420 is recessed inward. Therefore, as shown in FIG. 9, the outer main part 42 is recessed inward at the step portion 422. As shown in FIG. 11 and FIG. 13, a step is formed between the step portion 422 and the outer surface 420a of the outer main part 420. The step portion 422 has a light-transmitting part through-hole 423 and a screw hole 424. The light-transmitting part through-hole 423 is a through-hole formed in the step portion 422. When the outer main part 42 is attached to the base part 44, the light-transmitting part through-hole 423 is formed in a position facing the lens part 313, which is the second light-emitting part. Therefore, when the outer shell 42 is attached to the base 44, as shown in FIG. 9 and FIG. 10, the lens portion 313 of the second light-transmitting portion 312 arranged inside the housing 40 is exposed to the outside from the step portion 422 through the light-transmitting portion through-hole 423. Also, when the outer shell 42 is attached to the base 44, as shown in FIG. 9 and FIG. 10, the lens portion 313 of the second light-transmitting portion 312 arranged inside the housing 40 protrudes to the outside from the step portion 422 through the light-transmitting portion through-hole 423. The screw holes 424 are formed at two locations in the step portion 422 with the light-transmitting portion through-hole 423 between them. The screw holes 424 are holes through which the outer shell fixing tool 432 for fixing the outer shell 42 to the base 44 is inserted.

The operation unit arrangement section 425 is a portion of the outer shell main section 420 that faces the operation unit 36 arranged in the housing section 40. That is, in the second lighting device 30, the operation unit 36 is arranged below the operation unit arrangement section 425. The operation through-hole 426 is formed in the operation unit arrangement section 425. The operation through-hole 426 is a through-hole formed in the operation unit arrangement section 425. When the outer shell section 42 is attached to the base section 44, as shown in FIG. 10 and FIG. 12, the operation surface section 360 of the operation unit 36 arranged inside the housing section 40 is exposed from the wall surface of the operation unit arrangement section 425 through the operation through-hole 426. By exposing the operation surface section 360 to the underside of the lighting device 1, the operator can operate the operation button 361 of the operation unit 36 and can recognize the on and off of the indicator light 362.

As shown in Figures 11 to 13, the outer shell longitudinal side portion 427 constitutes the side wall of the outer shell portion 42. The outer shell longitudinal side portion 427 is formed to rise from the side edge of the outer shell main portion 420 along the longitudinal direction (X-axis direction) of the outer shell main portion 420. The outer shell longitudinal side portion 427 has an outer shell outer portion 428 and an outer shell inner portion 429. The outer shell outer portion 428 and the outer shell inner portion 429 are formed to face each other. When the outer shell portion 42 is attached to the base portion 44, the outer shell outer portion 428 faces the base side portion 414 of the portion formed to extend in the longitudinal direction (X-axis direction). When the outer shell portion 42 is attached to the base portion 44, the outer shell inner portion 429 is arranged on the protruding side of the base protruding portion 415. As shown in FIG. 9, when the second lighting fixture 30 is attached to the lighting fixture 10, the outer shell part 428 forms the outer side wall in the short side direction (Y axis direction) of the lighting device 1 and the second lighting fixture 30. In addition, in the short side direction (Y axis direction) of the lighting device 1, the inner shell part 429 forms the inner side wall of the second lighting fixture 30 with respect to the outer shell part 428.

The outer casing inner part 429 is arranged along the fixture side part 111 of the lighting fixture 10 and abuts against the fixture side part 111 when the second lighting fixture 30 is attached to the lighting fixture 10. When the second lighting fixture 30 is attached to the lighting fixture 10, the outer casing inner part 429 functions as a partition wall separating the storage part 18 of the lighting fixture 10 from each component of the second lighting fixture 30, as shown in FIG. 9. That is, when the first lighting fixture 20 is attached to the lighting fixture 10, the outer casing part 42 is arranged in the lighting fixture 10 so as to separate the lens part 313, which is the second light-emitting part, from the main part 220, which is the first light-emitting part. The storage part 18, which is the first space, and the second space 45 are separated by the outer casing part 42. That is, in the lighting device 1, the space connected from the lighting fixture 10 to the second lighting fixture 30 is divided by the outer casing part 42 into the storage part 18, which is the first space, and the second space 45. The outer casing inner part 429 functions as a heat shielding wall and reduces the influence of the operation heat generated by the first lighting device 20 on each component of the second lighting device 30, such as the second light source unit 31, the control unit 34, and the battery 70. The outer casing inner part 429 also functions as a heat dissipation path for transmitting the operation heat generated by the first lighting device 20 to the outside or the lighting device 10. That is, the outer casing 42 functions as a heat transfer path from the storage unit 18, which is the first space, to the attached part 9, or functions as a heat transfer path from the storage unit 18, which is the first space, to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. The outer casing 42 also functions as a heat transfer path from the second space 45 to the attached part 9, or functions as a heat transfer path from the second space 45 to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. A notch 430 is formed in the outer casing inner part 429. The cutout portion 430 is a through hole formed by cutting out part of the wall of the outer inner portion 429, and serves as a wiring path between the first lighting device 20 and the second lighting device 30.

As shown in Figures 11 to 13, the outer shell short side portions 431 form the side walls of the outer shell 42. The outer shell short side portions 431 are formed to rise from the side edges of the outer shell main portion 420 along the short direction (Y-axis direction) of the outer shell main portion 420. The outer shell short side portions 431 form wall portions at both ends in the longitudinal direction (X-axis direction) of the outer shell 42. When the second lighting device 30 is attached to the lighting fixture 10, the outer shell short side portions 431 form part of the side walls at both ends in the longitudinal direction (X-axis direction) of the second lighting device 30.

The outer long side 427 and the outer short side 431 of the outer portion 42 are positioned so as to penetrate the fixture inclination portion 114 when the second lighting device 30 is attached to the lighting fixture 10.

The outer shell fixing device 432 fixes the outer shell 42 to the base 44. The outer shell fixing device 432 is inserted into a screw hole 424 formed in the step portion 422 and screwed into a screw hole 442 formed in the second light source attachment portion 440 of the base 44. The outer shell fixing device 432 is, for example, a thumb screw. As shown in FIG. 13, a nut 434 may be used for the outer shell fixing device 432.

The housing 40 also forms a mounting structure for the second light source 31 and the like in the second space 45 by means of the pedestal 44. The pedestal 44 is where the second light source 31, the holding part 317, the control part 34, the operation part 36, the insulating part 38, and the like are mounted, and the components mounted on the pedestal 44 are arranged on the base 41. As shown in FIG. 14, the pedestal 44 has a second light source mounting part 440, an operation part mounting part 443, a control part mounting part 445, and a connecting part 447.

The second light source unit mounting portion 440 is a portion formed in a plate shape. The second light source unit 31 and the insulating portion 38 are placed and attached to the second light source unit mounting portion 440. The outer casing portion 42 is also attached to the second light source unit mounting portion 440. The second light source unit mounting portion 440 receives the operating heat generated by the second light source unit 31 and dissipates the received heat. The second light source unit mounting portion 440 has a screw hole 441 and a screw hole 442. The screw hole 441 is formed in two positions corresponding to the main screw hole 323 of the second light source unit 31. The second light source unit fixing device 327 for fixing the second light source unit 31 to the second light source unit mounting portion 440 is attached to the screw hole 441. The screw hole 442 is formed in two positions corresponding to the screw hole 424 of the outer casing portion 42. An outer shell fixing device 432 is attached to the screw hole 442 to fix the outer shell 42 to the second light source attachment part 440.

The operation unit attachment part 443 is a part formed in a plate shape. The operation unit 36 is placed and attached to the operation unit attachment part 443. A screw hole 444 is formed in the operation unit attachment part 443. An operation unit fixing device 363 for fixing the operation unit 36 to the operation unit attachment part 443 is attached to the screw hole 444.

The control unit attachment portion 445 is a portion formed in a plate shape. The control unit 34 is placed and attached to the control unit attachment portion 445. The control unit attachment portion 445 receives the operating heat generated by the second light source unit 31 via the connecting portion 447, and functions as a heat dissipation path that transfers the received heat to the base 41 and the lighting device 10. A screw hole 446 is formed in the control unit attachment portion 445. A control unit fixing device 346 for fixing the control unit 34 to the control unit attachment portion 445 is attached to the screw hole 446.

The connecting portion 447 is a side wall that connects the second light source unit mounting portion 440, the operation unit mounting portion 443, and the control unit mounting portion 445 to each other. The connecting portion 447 is a plate material that extends in the vertical direction when the plate surfaces of the second light source unit mounting portion 440, the operation unit mounting portion 443, and the control unit mounting portion 445 are assumed to be horizontal. Note that the vertical direction is not necessarily strictly vertical to the horizontal direction, and the connecting portion 447 may be inclined with respect to the second light source unit mounting portion 440, the operation unit mounting portion 443, or the control unit mounting portion 445. The connecting portion 447 connects the second light source unit mounting portion 440 and the control unit mounting portion 445 so that they face each other, and also connects the operation unit mounting portion 443 and the control unit mounting portion 445 so that they face each other. The connecting portion 447 receives the operating heat generated by the second light source unit 31 and functions as a heat dissipation path that transmits the received heat to the base 41 and the lighting device 10.

The base 44 is formed so that the distance between the second light source attachment portion 440 and the control unit attachment portion 445 is greater than the distance between the operation unit attachment portion 443 and the control unit attachment portion 445. The distance between the second light source attachment portion 440 and the control unit attachment portion 445 and the distance between the operation unit attachment portion 443 and the control unit attachment portion 445 may differ depending on the thickness of the second light source unit 31 and the thickness of the operation unit 36. Therefore, the base 44 may be formed so that the distance between the second light source attachment portion 440 and the control unit attachment portion 445 is equal to or smaller than the distance between the operation unit attachment portion 443 and the control unit attachment portion 445. In the base 44, the connecting portion 447, the second light source attachment portion 440, the operation unit attachment portion 443, and the control unit attachment portion 445 are integrally formed, but these may be formed separately. The base 44 has an opening 44a formed by the operation unit attachment portion 443 and the control unit attachment portion 445 at a position facing the connecting portion 447. The opening 44a is formed at a position on the base 44 where at least the battery 70 is disposed. When the outer shell 42 of the lighting device 1 is attached to the base 44, at least a portion of the opening 44a is covered by the outer shell 42.

(Holding member 50)
Fig. 15 is a perspective view of the battery 70 arranged in the base 41 in Fig. 13. Fig. 16 is a cross-sectional view of the lighting device 1 in Fig. 4 taken along line B-B. Fig. 17 is a schematic cross-sectional view showing attachment and detachment of the battery 70 in Fig. 15. Fig. 18 is a schematic cross-sectional view showing attachment and detachment of the battery 70 in Fig. 16. Next, the holding member 50 will be described with reference to Figs. 11 and 15 to 18. The holding member 50 is an elastic member such as a leaf spring, and holds the battery 70 arranged in the housing 40. The holding member 50 has a fixing portion 51, a holding portion 53, and a holding member fixture 54.

The fixing portion 51 is a flat plate-shaped plate portion. As shown in Figs. 15 and 16, the fixing portion 51 is inserted into the holding member fixing portion 411 formed on the base 41, thereby engaging with the base 41 and being attached to the base 41. The fixing portion 51 abuts against the base 41 while being inserted into the holding member fixing portion 411 formed on the base 41. As shown in Fig. 11, the fixing portion 51 has a fixing hole 52 formed therein. A holding member fixing device 54 for fixing the holding member 50 to the base 41 is attached to the fixing hole 52. As shown in Fig. 16, when the second lighting device 30 is attached to the lighting fixture 10, the fixing portion 51 is arranged so as to be approximately parallel to the mounting portion 9.

The holding portion 53 is formed integrally with the fixed portion 51 and is a plate-like portion rising from the fixed portion 51. The holding portion 53 is a plate-like portion extending in the vertical direction when the plate surface of the fixed portion 51 is horizontal. When the holding member 50 is attached to the base 41, the holding portion 53 faces the base side portion 414 as shown in FIG. 17. The holding portion 53 is inclined with respect to the plate surface of the fixed portion 51 so as to approach the fixed portion 51, and it is desirable that the angle between the plate surface of the holding portion 53 and the plate surface of the fixed portion 51 is 90 degrees or less. Therefore, when the holding member 50 is attached to the base 41, the holding portion 53 is inclined so as to approach the base side portion 414.

The holding portion 53 has a holding bent portion 53c at its tip. The holding bent portion 53c is bent in a mountain shape in the cross section in the direction in which the holding portion 53 rises, and is formed so as to protrude above the plate surface of the fixing portion 51. More specifically, the holding portion 53 has a side wall fixing portion 53b connected to the fixing portion 51, and a holding bent portion 53c formed at the tip of the side wall fixing portion 53b. The holding bent portion 53c has a first inclined portion 53c1 connected to the side wall fixing portion 53b, and a second inclined portion 53c2 connected to the first inclined portion 53c1. The side wall fixing portion 53b is inclined with respect to the plate surface of the fixing portion 51 so as to approach the fixing portion 51, and the first inclined portion 53c1 of the holding bent portion 53c is inclined with respect to the plate surface of the fixing portion 51 so as to approach the fixing portion 51 even closer than the side wall fixing portion 53b. The second inclined portion 53c2 of the holding bent portion 53c is inclined in the opposite direction to the inclination direction of the first inclined portion 53c1. Therefore, the holding bent portion 53c has an L-shaped cross section formed by the first inclined portion 53c1 and the second inclined portion 53c2. The holding portion 53 is formed integrally with the side wall fixing portion 53b, the first inclined portion 53c1, and the second inclined portion 53c2.

The holding portion 53 has spring properties and elastically deforms. As shown in FIG. 16, when the second lighting device 30 is attached to the lighting fixture 10, the holding portion 53 is arranged to extend in the vertical direction (Z-axis direction) of the lighting device 1. Also, when the outer casing 42 is attached to the base 44, as shown in FIG. 16, the holding portion 53 abuts against the outer casing inner portion 429 of the outer casing 42, thereby restricting elastic deformation and holding the battery 70. That is, when the outer casing 42 is attached to the base 44, the holding member 50 has a narrower movable range than when the outer casing 42 is not attached to the base 44. In contrast, as shown in FIG. 18, when the outer casing 42 is not attached to the base 44, the holding member 50 elastically deforms within a movable range that allows the battery 70 to be attached and detached.

The holding member fastener 54 is a member that fastens the holding member 50 to the base 41. The holding member fastener 54 is, for example, a screw, a rivet, or the like. The holding member fastener 54 is inserted through the fixing hole 52 formed in the fixing portion 51 and the mounting hole 413 formed in the base bottom 410 shown in FIG. 6.

(Battery 70)
Next, the battery 70 will be described with reference to FIG. 11 and FIG. 15 to FIG. 18. The battery 70 supplies the second lighting power to the second light source unit 31. The battery 70 is a storage battery. The battery 70 is a so-called four-cell storage battery, but the number of cells constituting the battery 70 is not limited to four cells, and may be another number, such as six cells. The battery 70 is detachably held to the base 41 by the holding member 50. In a state in which the outer shell 42 is attached to the pedestal 44, as shown in FIG. 16, the battery 70 is held to the base 41 of the housing unit 40 while being held by the holding member 50. That is, when the battery 70 is placed in the housing unit 40, it abuts against the inner surface of the housing unit 40 and is held inside the second space 45 by the holding member 50 attached to the housing unit 40. More specifically, when the outer casing 42 is attached to the base 44, the battery 70 abuts against the holding bent portion 53c and the base side portion 414 by the holding bent portion 53c, and the lower portion of the battery 70 is supported by the holding bent portion 53c, restricting the downward movement of the battery 70. At this time, as described above, the holding portion 53 abuts against the outer casing inner portion 429 of the outer casing 42, thereby restricting elastic deformation. When the outer casing 42 is removed from the base 41, as shown in FIG. 18, the worker can remove the battery 70 downward by elastically deforming the holding member 50. At this time, the holding portion 53 does not abut against the outer casing inner portion 429 of the outer casing 42, and therefore elastic deformation is not restricted. In FIG. 18 , arrow S indicates the direction in which the battery 70 or the outer casing 42 is attached to the base 41 , and arrow R indicates the direction in which the battery 70 or the outer casing 42 is removed from the base 41 .

(Second lighting fixture fixture 80)
Next, the second lighting fixture fixing device 80 will be described with reference to Fig. 6. The second lighting fixture fixing device 80 is a member that fixes the second lighting fixture 30 to the lighting fixture 10. The fixing device 80 is, for example, a screw, a rivet, etc. The second lighting device fixing device 80 is inserted into a screw hole 113 formed in the device bottom portion 110 and a screw hole 416 formed in the base protruding portion 415. do.

(Hanging cord 60)
Fig. 19 is a perspective view of the lighting device 1 of Fig. 1 with the outer casing 42 of the second lighting device 30 removed. The hanging cord 60 temporarily fixes the outer casing 42 of the second lighting device 30 to the lighting fixture 10. The hanging cord 60 is a cord-like or rod-like member, one end of which is fixed to the base 41 and the other end of which is fixed to the outer casing 42.

<Modifications of the lighting device 1>
20 is a cross-sectional view of line B-B of a modified example of the lighting device 1 of the first embodiment of the present invention. The modified example of the lighting device 1 has a second lighting device 30a. The modified example of the lighting device 1 is different from the lighting device 1 only in the configuration of the second lighting device 30, and the other configurations are the same. The second lighting device 30a has a battery 70a and a housing part 40a that are different from the battery 70 and the housing part 40 of the second lighting device 30. The second lighting device 30a is different from the second lighting device 30 only in the battery 70a and the housing part 40a, and the other configurations are the same. In the modified example of the lighting device 1, parts having the same configuration as the lighting device 1 are given the same reference numerals, and their description will be omitted.

(Battery 70a)
The battery 70a is a storage battery. The battery 70 is a large storage battery of a so-called six-cell type. The battery 70a has a different number of cells from the battery 70.
(Housing portion 40a)
The housing 40a has a holding portion 53a. The housing 40a has the same configuration as the holding portion 53 of the housing 40, except that the configuration of the holding portion 53a is different from that of the holding portion 53 of the housing 40. The holding portion 53a has a sidewall fixing portion 53b1 connected to the fixing portion 51 and a holding bent portion 53c formed at the tip of the sidewall fixing portion 53b1. The holding portion 53a is formed in a shape suitable for holding a so-called 6-cell large storage battery. For example, the battery 70a is larger than the battery 70, and the sidewall fixing portion 53b1 is formed longer in the vertical direction (Z-axis direction) than the sidewall fixing portion 53b. That is, the distance between the fixing portion 51 and the holding bent portion 53c of the holding portion 53a is larger than the distance between the fixing portion 51 and the holding bent portion 53c of the holding portion 53.

Embodiment 2.
FIG. 21 is a perspective view in a first direction of the lighting device 1b according to the second embodiment of the present invention. FIG. 22 is a perspective view in a second direction of the lighting device 1b according to the second embodiment of the present invention. FIG. 23 is a front view of the lighting device 1b according to the second embodiment of the present invention. FIG. 24 is a bottom view of the lighting device 1b according to the second embodiment of the present invention. FIG. 25 is a rear view of the lighting device 1b according to the second embodiment of the present invention. FIG. 26 is a top view of the lighting device 1b according to the second embodiment of the present invention. FIG. 27 is a side view of the lighting device 1b according to the second embodiment of the present invention. With reference to FIG. 21 to FIG. 27, the configuration of the lighting device 1b according to the second embodiment will be described, focusing on the configuration different from that of the lighting device 1 according to the first embodiment. Note that the same reference numerals are used to designate parts having the same configuration as the lighting device 1 in FIG. 1 to FIG. 20, and the description thereof will be omitted. In addition, the first direction in FIG. 21 is a direction in which the lighting device 1b is viewed from below the side where the second lighting fixture 30 is not provided in the short-side direction (Y-axis direction) of the lighting device 1b. Further, a second direction in FIG. 22 is a direction in which the lighting device 1b is viewed from below the side where the second lighting fixture 30 is provided, in the short-side direction (Y-axis direction) of the lighting device 1b.

<Lighting device 1b>
The lighting device 1b is installed at a position where it can illuminate the lighting space, and illuminates the lighting space. The lighting device 1b of the second embodiment is a so-called V-shaped (250 mm wide) lighting device.

The lighting device 1b includes an elongated lighting fixture 10b that is attached to a mounting portion 9 such as a ceiling or a wall, an elongated first lighting fixture 20 that is detachably attached to the lighting fixture 10b, and a second lighting fixture 30 that is attached to the lighting fixture 10. In the lighting device 1b, the first lighting fixture 20 and the second lighting fixture 30 are arranged side by side in the short side direction (Y-axis direction).

[Lighting fixture 10b]
The lighting fixture 10b has a fixture body 11b, a fixture end portion 12b, a fixture-side connector 13, a fixture-side terminal block 14, a fixture-side fixing device 15, and a fixture-side power line 16. In the lighting device 1b of the second embodiment, the configuration of the lighting fixture 10b is different from that of the lighting fixture 10 of the lighting device 1 of the first embodiment.

(Apparatus body 11b)
The fixture body 11b is a housing that constitutes the outer shell of the lighting fixture 10b. The fixture body 11b is attached to the mounting portion 9 using a fastener such as a bolt. The fixture body 11b has a fixture bottom 110, a fixture side 111, a fixture inclined portion 114b, and a fixture side edge 117b. The fixture bottom 110, the fixture side 111, the fixture inclined portion 114b, and the fixture side edge 117b are integrally formed, for example, by bending a metal plate material. However, the fixture body 11b is not limited to being formed by bending a metal plate material, and may be formed using other materials such as resin, ceramic, etc., or may be formed by other methods such as extrusion molding, additive manufacturing, etc. Furthermore, the appliance bottom portion 110, the appliance side portion 111, the appliance inclined portion 114b, and the appliance side edge portion 117b are not limited to being formed as a single unit, but may be formed as separate bodies as long as these components are securely fixed to each other.

The fixture inclination portion 114b is a pair of inclined walls provided on both sides of the storage portion 18 in the short-side direction (Y-axis direction) of the fixture main body portion 11b. The fixture inclination portion 114b is formed so as to be inclined with respect to the mounting surface of the mounting portion 9. The pair of fixture inclination portions 114b is formed from each of the longitudinal sides of the fixture side edge portion 117b to the upper side (Z1 side) and away from the storage portion 18. That is, the fixture inclination portions 114b are inclined so that the distance between the ends of the mounting portion 9 side in the vertical direction (Z-axis direction) of the fixture main body portion 11b is wider than the distance between the ends of the ends of the lighting space side. In the lighting device 1b, the storage portion 18 is formed between the pair of fixture inclination portions 114b in the short-side direction (Y-axis direction). The fixture inclination portion 114b forms an inclined surface and may reflect light emitted from the light source toward the lighting space. In addition, the distance between both ends of the fixture tilting portion 114b in the short side direction (Y-axis direction) of the lighting device 1b is greater than the distance between both ends of the fixture tilting portion 114 in the lighting device 1 in the short side direction (Y-axis direction).

The appliance side edge 117b is an edge of the storage section 18 that is provided in a pair on both sides of the storage section 18 in the short direction (Y-axis direction) of the appliance main body section 11b. The appliance side edge 117b is formed between the appliance side section 111 and the appliance inclined section 114b. The appliance side edge 117b is formed at the tip of the appliance side section 111 opposite the appliance bottom section 110, and is formed in a pair so as to be spaced apart from each tip of the pair of appliance side sections 111. The appliance side edge 117b constitutes the underside of the appliance main body section 11b.

The fixture inclination portion 114b and the fixture side edge portion 117b formed on one side of the fixture main body portion 11b in the short direction (Y-axis direction) across the storage portion 18 are formed with a fixture penetration portion 115b, which is a through hole. The fixture penetration portion 115b is formed in the center of the fixture main body portion 11b in the longitudinal direction (X-axis direction). As shown in FIG. 24, the fixture penetration portion 115b is formed in a rectangular shape in the fixture main body portion 11b in a plan view of the mounting portion 9 from the lighting space side. The second lighting device 30 is inserted into this fixture penetration portion 115b, and the second lighting device 30 is arranged in the fixture penetration portion 115b so as to protrude from the fixture inclination portion 114b and the fixture side edge portion 117b to the lighting space side. Therefore, the fixture penetration portion 115b only needs to be formed in accordance with the shape and dimensions of the outer casing portion 42 of the second lighting device 30, and is not limited to a shape formed in a rectangular shape in a plan view of the mounting portion 9 from the lighting space side. The instrument penetration portion 115b functions as an attachment/detachment opening or attachment/detachment opening for the outer shell portion 42.

(Instrument end 12b)
The fixture end 12b is disposed at both ends of the fixture body 11b in the longitudinal direction (X-axis direction). The fixture end 12b has an end plate 120b covering the end of the fixture body 11b in the longitudinal direction (X-axis direction). The end plate 120b constitutes the side wall of the fixture body 11b extending in the lateral direction (Y-axis direction) of the fixture body 11b. The end plate 120b is disposed at the end of the fixture inclined portion 114b and the fixture side edge portion 117b in the longitudinal direction (X-axis direction), and constitutes the outer shell of the lighting fixture 10b together with the fixture body 11b. The fixture end 12b has a distance between both ends of the lateral direction (Y-axis direction) of the lighting device 1b that is greater than the distance between both ends of the fixture end 12 in the lateral direction (Y-axis direction) of the lighting device 1. The end plate 120b has a knockout portion 121 formed therein, which forms a through hole in the end plate 120b by removing a part of the wall portion constituting the end plate 120b.

Embodiment 3.
FIG. 28 is a perspective view in a first direction of the lighting device 1c according to the third embodiment of the present invention. FIG. 29 is a perspective view in a second direction of the lighting device 1c according to the third embodiment of the present invention. FIG. 30 is a front view of the lighting device 1c according to the third embodiment of the present invention. FIG. 31 is a bottom view of the lighting device 1c according to the third embodiment of the present invention. FIG. 32 is a rear view of the lighting device 1c according to the third embodiment of the present invention. FIG. 33 is a top view of the lighting device 1c according to the third embodiment of the present invention. FIG. 34 is a side view of the lighting device 1c according to the third embodiment of the present invention. With reference to FIG. 28 to FIG. 34, the configuration of the lighting device 1c according to the third embodiment will be described, focusing on the configuration different from that of the lighting device 1 according to the first embodiment. Note that the same reference numerals are used to designate parts having the same configuration as the lighting device 1 in FIG. 1 to FIG. 20, and the description thereof will be omitted. In addition, the first direction in FIG. 28 is a direction in which the lighting device 1c is viewed from below the side where the second lighting device 30 is not provided in the short-side direction (Y-axis direction) of the lighting device 1c. Further, the second direction in FIG. 29 is a direction in which the lighting device 1c is viewed from below the side where the second lighting fixture 30 is provided, in the short-side direction (Y-axis direction) of the lighting device 1c.

<Lighting device 1c>
The lighting device 1c is installed at a position where it can illuminate the illumination space, and illuminates the illumination space. The lighting device 1c of the third embodiment is a so-called trough-type lighting device.

The lighting device 1c includes an elongated lighting fixture 10c that is attached to a mounting portion 9 such as a ceiling or a wall, an elongated first lighting fixture 20 that is detachably attached to the lighting fixture 10c, and a second lighting fixture 30 that is attached to the lighting fixture 10. In the lighting device 1c, the first lighting fixture 20 and the second lighting fixture 30 are arranged side by side in the short side direction (Y axis direction). As shown in FIG. 29, the lighting device 1c is arranged to the side of the lighting fixture 10c in the short side direction (Y axis direction) of the lighting device 1c. The lighting device 1c of the third embodiment is different from the lighting device 1 of the first embodiment and the lighting device 1b of the second embodiment in that the second lighting fixture 30 is arranged outside the lighting fixture 10c.

[Lighting fixture 10c]
The lighting fixture 10c has a fixture main body 11c, a fixture end portion 12c, a fixture-side connector 13, a fixture-side terminal block 14, a fixture-side fixing device 15, and a fixture-side power line 16. In the lighting device 1c of the third embodiment, the configuration of the lighting fixture 10c is different from that of the lighting fixture 10 of the lighting device 1 of the first embodiment.

(Apparatus body 11c)
The fixture body 11c is a housing that constitutes the outer shell of the lighting fixture 10c. The fixture body 11c is attached to the mounting portion 9 using a fastener such as a bolt. The fixture body 11c has a fixture bottom 110, a fixture side 111, and a fixture side edge 117c. The fixture bottom 110, the fixture side 111, and the fixture side edge 117c are integrally formed, for example, by bending a metal plate material. However, the fixture body 11c is not limited to being formed by bending a metal plate material, and may be formed using other materials such as resin and ceramic, and may be formed by other methods such as extrusion molding and additive manufacturing. In addition, the fixture bottom 110 and the fixture side 111 are not limited to being formed integrally, and may be formed separately as long as these members are reliably fixed to each other. The fixture side edge portions 117c are edges of the accommodation portion 18 provided in a pair on both sides of the accommodation portion 18 in the short side direction (Y-axis direction) of the fixture body portion 11c. The fixture side edge portions 117c are formed at the tip portion of the fixture side portion 111 opposite the fixture bottom portion 110. The fixture body portion 11c of the third embodiment forms the outer shell of a so-called trough-shaped lighting fixture 10, and differs from the fixture body portion 11 of the first embodiment in that it does not have the fixture inclined portion 114.

(Instrument end 12c)
The fixture end portion 12c is disposed at both ends of the fixture body portion 11c in the longitudinal direction (X-axis direction). The fixture end portion 12c has an end plate 120c that covers the end portion of the fixture body portion 11c in the longitudinal direction (X-axis direction). The end plate 120c constitutes the side wall of the fixture body portion 11c extending in the short direction (Y-axis direction) of the fixture body portion 11c. The end plate 120c is disposed at the end portion of the fixture bottom portion 110 and the fixture side portion 111 in the longitudinal direction (X-axis direction), and constitutes the outer shell of the lighting fixture 10c together with the fixture body portion 11c. The end plate 120c is formed with a knockout portion 121c that forms a through hole in the end plate 120c by removing a part of the wall portion that constitutes the end plate 120c.

Embodiment 4.
FIG. 35 is a perspective view in a first direction of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 36 is a perspective view in a second direction of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 37 is a front view of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 38 is a bottom view of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 39 is a rear view of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 40 is a top view of the lighting device 1d according to the fourth embodiment of the present invention. FIG. 41 is a side view of the lighting device 1d according to the fourth embodiment of the present invention. With reference to FIG. 35 to FIG. 41, the configuration of the lighting device 1d according to the fourth embodiment will be described, focusing on the configuration different from that of the lighting device 1 according to the first embodiment. Note that the same reference numerals are used to designate parts having the same configuration as the lighting device 1 in FIG. 1 to FIG. 20, and the description thereof will be omitted. In addition, the first direction in FIG. 35 is a direction in which the lighting device 1d is viewed from below the side where the second illuminator 30 is not provided in the short-side direction (Y-axis direction) of the lighting device 1d. Further, the second direction in FIG. 36 is a direction in which the lighting device 1d is viewed from below the side where the second lighting fixture 30 is provided, in the short-side direction (Y-axis direction) of the lighting device 1d.

<Lighting device 1d>
The lighting device 1d is installed at a position where it can illuminate the lighting space, and illuminates the lighting space. The lighting device 1d of the fourth embodiment is a so-called embedded lighting device.

The lighting device 1d includes an elongated lighting fixture 10d that is attached to a mounting portion 9 such as a ceiling or a wall, an elongated first lighting fixture 20 that is detachably attached to the lighting fixture 10d, and a second lighting fixture 30 that is attached to the lighting fixture 10. In the lighting device 1d, the first lighting fixture 20 and the second lighting fixture 30 are arranged side by side in the short side direction (Y-axis direction).

[Lighting fixture 10d]
Lighting fixture 10d has fixture body 11d, fixture end 12d, fixture side connector 13, fixture side terminal block 14, fixture side fixing fixture 15, and fixture side power line 16. In lighting device 1d of embodiment 4, lighting fixture 10d has a configuration different from lighting fixture 10 of lighting device 1 of embodiment 1.

(Apparatus main body 11d)
The fixture body 11d is a housing that constitutes the outer shell of the lighting fixture 10d. The fixture body 11d is attached to the mounting portion 9 using a fastener such as a bolt. The fixture body 11d has a fixture bottom 110, a fixture side 111d, a fixture inclined portion 114d, and a fixture side edge 117d. The fixture bottom 110, the fixture side 111d, the fixture inclined portion 114d, and the fixture side edge 117d are integrally formed, for example, by bending a metal plate material. However, the fixture body 11d is not limited to being formed by bending a metal plate material, and may be formed using other materials such as resin, ceramic, etc., or may be formed by other methods such as extrusion molding, additive manufacturing, etc. Furthermore, the appliance bottom portion 110, the appliance side portion 111d, the appliance inclined portion 114d, and the appliance side edge portion 117d are not limited to being formed integrally, but may be formed separately as long as these components are securely fixed to each other.

The fixture body 11d forms a storage section 18 formed in a concave shape by the fixture bottom 110, the fixture side section 111d, and the fixture end section 12d described below. The storage section 18 has a bottom surface formed by the fixture bottom 110, a side wall section extending in the longitudinal direction formed by the fixture side section 111d, and a side wall section extending in the lateral direction formed by the fixture end section 12d. The first lighting device 20 is attached to this storage section 18, with a part of the first lighting device 20 being stored therein.

The fixture inclination portion 114d is an inclined wall provided in a pair on both sides of the storage portion 18 in the short-side direction (Y-axis direction) of the fixture main body portion 11b. The fixture inclination portion 114d is formed so as to be inclined with respect to the mounting surface of the mounting portion 9. The pair of fixture inclination portions 114d are formed so as to be spaced apart from each other downward (Z2 side) from the storage portion 18. That is, the fixture inclination portions 114d are inclined so that the distance between the ends on the lighting space side in the vertical direction (Z-axis direction) of the fixture main body portion 11d is wider than the distance between the ends on the mounting portion 9 side. In the lighting device 1d, the storage portion 18 is not arranged between the pair of fixture inclination portions 114d in the short-side direction (Y-axis direction), and the pair of fixture inclination portions 114d are formed so as to face each other. However, in a plan view of the lighting device 1d seen from the lighting space side, the storage portion 18 is arranged between the pair of fixture inclination portions 114d. The fixture inclination portion 114d forms an inclined surface and may reflect light emitted from the light source toward the lighting space.

The appliance side edge 117d is an edge of the storage section 18 that is provided in a pair on both sides of the storage section 18 in the short direction (Y-axis direction) of the appliance main body section 11d. The appliance side edge 117d is formed between the appliance side section 111d and the appliance inclined section 114d. The appliance side edge 117d is formed at the tip of the appliance side section 111d on the side opposite the appliance bottom section 110, and is formed in a pair so as to be spaced apart from each other from the respective tips of the pair of appliance side sections 111d.

The fixture inclination portion 114d and the fixture side edge portion 117d formed on one side of the fixture main body portion 11d in the short direction (Y-axis direction) across the storage portion 18 are formed with a fixture through-hole 115d. The fixture through-hole 115d is formed in the center of the fixture main body portion 11d in the longitudinal direction (X-axis direction). As shown in FIG. 38, the fixture through-hole 115d is formed in a rectangular shape in the fixture main body portion 11d in a plan view of the mounting portion 9 from the lighting space side. The second lighting device 30 is inserted into this fixture through-hole 115d, and the second lighting device 30 is arranged in the fixture through-hole 115d so as to protrude from the fixture inclination portion 114d and the fixture side edge portion 117d to the lighting space side. Therefore, the fixture through-hole 115d only needs to be formed in accordance with the shape and dimensions of the outer casing portion 42 of the second lighting device 30, and is not limited to a shape formed in a rectangular shape in a plan view of the mounting portion 9 from the lighting space side. The instrument penetration portion 115d functions as an attachment/detachment opening or attachment/detachment opening for the outer shell portion 42.

(Instrument end 12d)
The fixture end portions 12d are disposed at both ends of the fixture body 11d in the longitudinal direction (X-axis direction). The fixture end portions 12d cover the ends of the fixture body 11d in the longitudinal direction (X-axis direction). The fixture end portions 12d form side walls of the fixture body 11d extending in the lateral direction (Y-axis direction) of the fixture body 11d. The fixture end portions 12d, together with the fixture body 11d, form the outer shell of the lighting fixture 10d.

Embodiment 5.
FIG. 42 is a perspective view in a first direction of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 43 is a perspective view in a second direction of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 44 is a front view of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 45 is a bottom view of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 46 is a rear view of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 47 is a top view of the illumination device 1e according to the fifth embodiment of the present invention. FIG. 48 is a side view of the illumination device 1e according to the fifth embodiment of the present invention. With reference to FIG. 42 to FIG. 48, the configuration of the illumination device 1e according to the fifth embodiment will be described, focusing on the configuration different from that of the illumination device 1 according to the first embodiment. Note that the same reference numerals are used to designate parts having the same configuration as the illumination device 1 in FIG. 1 to FIG. 20, and the description thereof will be omitted. In addition, the first direction in FIG. 42 is a direction in which the illumination device 1e is viewed from below the side where the second illuminator 30 is not provided in the short-side direction (Y-axis direction) of the illumination device 1e. Further, the second direction in FIG. 43 is a direction in which the lighting device 1e is viewed from below the side where the second illuminator 30 is provided, in the short-side direction (Y-axis direction) of the lighting device 1e.

<Lighting device 1e>
The lighting device 1e is installed at a position where it can illuminate the illumination space, and illuminates the illumination space. The lighting device 1e of the fifth embodiment is a so-called embedded type lighting device.

The lighting device 1e includes an elongated lighting fixture 10e that is attached to a mounting portion 9 such as a ceiling or a wall, an elongated first lighting fixture 20 that is detachably attached to the lighting fixture 10e, and a second lighting fixture 30e that is attached to the lighting fixture 10. In the lighting device 1e, the first lighting fixture 20 and the second lighting fixture 30e are arranged side by side in the short side direction (Y-axis direction).

[Lighting fixture 10e]
The lighting fixture 10e has a fixture main body 11e, a fixture end portion 12e, a fixture-side connector 13, a fixture-side terminal block 14, a fixture-side fixing device 15, and a fixture-side power line 16. In the lighting device 1e of the fifth embodiment, the configurations of the lighting fixture 10e and the second luminaire 30e are different from those of the lighting fixture 10 and the second luminaire 30 of the lighting device 1 of the first embodiment.

(Apparatus main body 11e)
The fixture body 11e is a housing that constitutes the outer shell of the lighting fixture 10e. The fixture body 11e is attached to the mounting portion 9 using a fastener such as a bolt. The fixture body 11e has a fixture bottom 110e, a fixture side 111e, a fixture inclined portion 114e, and a fixture side edge 117e. The fixture bottom 110e, the fixture side 111e, the fixture inclined portion 114e, and the fixture side edge 117e are integrally formed, for example, by bending a metal plate material. However, the fixture body 11e is not limited to being formed by bending a metal plate material, and may be formed using other materials such as resin, ceramic, etc., and may be formed by other methods such as extrusion molding, additive manufacturing, etc. In addition, the appliance bottom portion 110e, the appliance side portion 111e, the appliance inclined portion 114e, and the appliance side edge portion 117e are not limited to being formed integrally, but may be formed separately as long as these components are securely fixed to each other.

The fixture body 11e forms a storage section 18 formed in a concave shape by the fixture bottom 110e, the fixture side section 111e, and the fixture end section 12e described below. The storage section 18 has a bottom surface formed by the fixture bottom 110e, a side wall section extending in the longitudinal direction formed by the fixture side section 111e, and a side wall section extending in the lateral direction formed by the fixture end section 12e. The first lighting device 20 is attached to this storage section 18, with a part of the first lighting device 20 being stored therein.

The fixture inclination portion 114e is an inclined wall provided in a pair on both sides of the storage portion 18 in the short-side direction (Y-axis direction) of the fixture main body portion 11e. The fixture inclination portion 114e is formed so as to be inclined with respect to the mounting surface of the mounting portion 9. The pair of fixture inclination portions 114e are formed so as to be spaced apart from each other downward (Z2 side) from the storage portion 18. That is, the fixture inclination portions 114e are inclined so that the distance between the ends on the lighting space side in the vertical direction (Z-axis direction) of the fixture main body portion 11e is wider than the distance between the ends on the mounting portion 9 side. In the lighting device 1e, the storage portion 18 is not arranged between the pair of fixture inclination portions 114e in the short-side direction (Y-axis direction), and the pair of fixture inclination portions 114e are formed so as to face each other. However, in a plan view of the lighting device 1e seen from the lighting space side, the storage portion 18 is arranged between the pair of fixture inclination portions 114e. The fixture inclination portion 114e forms an inclined surface and may reflect light emitted from the light source toward the lighting space.

The appliance side edge 117e is an edge of the storage section 18 that is provided in a pair on both sides of the storage section 18 in the short direction (Y-axis direction) of the appliance main body section 11e. The appliance side edge 117e is formed between the appliance side section 111e and the appliance inclined section 114e. The appliance side edge 117e is formed at the tip of the appliance side section 111e opposite the appliance bottom section 110e, and is formed in a pair so as to be spaced apart from each other from the respective tips of the pair of appliance side sections 111e.

The instrument inclined portion 114e and the instrument side edge portion 117e, which are formed on one side of the instrument body portion 11e in the short direction (Y-axis direction) with the storage portion 18 in between, are formed an instrument penetration portion 115e, which is a through hole. The instrument penetration portion 115e is composed of two through holes, a first penetration portion 116e and a second penetration portion 118e. The first penetration portion 116e and the second penetration portion 118e are formed along the longitudinal direction (X-axis direction) of the instrument body portion 11e.

The first through-hole 116e is formed in the center of the longitudinal direction (X-axis direction) of the fixture body 11e. As shown in FIG. 45, the first through-hole 116e is formed in a rectangular shape in the fixture body 11e in a plan view of the mounting portion 9 from the lighting space side. The outer casing 42e of the second lighting device 30e is inserted into this first through-hole 116e, and the second light source portion 31 of the second lighting device 30e is arranged in the first through-hole 116e so as to protrude from the fixture inclination portion 114e and the fixture side edge portion 117e to the lighting space side. Therefore, the first through-hole 116e only needs to be formed in accordance with the shape and dimensions of the outer casing 42e of the second lighting device 30e, and is not limited to a shape formed in a rectangular shape in a plan view of the mounting portion 9 from the lighting space side. The fixture through-hole 115e functions as an attachment/detachment opening or an attachment/detachment opening for the outer casing 42e.

As shown in FIG. 45, the second through-hole 118e is formed in a rectangular shape in the device body 11e in a plan view of the mounting portion 9 from the lighting space side. The second through-hole 118e is arranged so that the operation unit 36 of the second lighting device 30e is exposed through the device inclination portion 114e and the device side edge portion 117e. Therefore, the second through-hole 118e only needs to be formed in accordance with the shape and dimensions of the operation unit 36 of the second lighting device 30e, and is not limited to a shape formed in a rectangular shape in a plan view of the mounting portion 9 from the lighting space side. In the lighting device 1e, the operation surface portion 360 of the operation unit 36, such as the operation button 361 and the indicator light 362, is exposed to the outside of the device body 11e through the second through-hole 118e.

(Instrument end 12e)
The fixture end portions 12e are disposed at both ends of the fixture body portion 11e in the longitudinal direction (X-axis direction). The fixture end portions 12e cover the ends of the fixture body portion 11e in the longitudinal direction (X-axis direction). The fixture end portions 12e form side walls of the fixture body portion 11e extending in the lateral direction (Y-axis direction) of the fixture body portion 11e. The fixture end portions 12e, together with the fixture body portion 11e, form the outer shell of the lighting fixture 10e.

[Second lighting device 30e]
The second lighting device 30e will be described with reference to Fig. 42 to Fig. 48. The second lighting device 30e is an emergency lighting device, and emits light to illuminate the lighting space in an emergency when power is not supplied to the lighting device 1e from outside the lighting device 1e for some reason, such as a power outage. The second lighting device 30e has a smaller outer shell 42e exposed from the lighting device 10e than the lighting device 10 of the first embodiment, and the lighting device 1e has an improved design compared to the lighting device 1.

The second lighting fixture 30e is attached to the lighting fixture 10e and constitutes the lighting device 1e together with the first lighting fixture 20. The second lighting fixture 30e is formed in an elongated shape and is attached along the longitudinal direction (X-axis direction) of the lighting fixture 10e. The second lighting fixture 30e is provided in the center of the longitudinal direction (X-axis direction) of the lighting fixture 10e. The second lighting fixture 30e is arranged side by side with the first lighting fixture 20 in the short direction (Y-axis direction) of the lighting fixture 10e. The second lighting fixture 30e is arranged so that the longitudinal direction of the first lighting fixture 20 and the longitudinal direction of the second lighting fixture 30e are parallel in the plan view of the mounting portion 9 seen from the lighting space side. The second lighting fixture 30e is provided so as to protrude from the fixture penetration portion 115e formed in the fixture inclination portion 114e. More specifically, the outer shell 42e of the second lighting device 30e is arranged to protrude from the first through-hole 116e of the fixture through-hole 115e, and the operation unit 36 of the second lighting device 30e is arranged to be exposed from the second through-hole 118e of the fixture through-hole 115e. The second lighting device 30e has a second light source unit 31, a control unit 34, an operation unit 36, an insulating unit 38, a housing unit 40e, a holding member 50, a battery 70, a second lighting device fixing device 80, and a hanging cord 60.

Figure 49 is a cross-sectional view of the lighting device 1e of Figure 45 taken along line E-E. Figure 50 is an oblique view in a third direction of the second lighting device 30e of Figure 42. Figure 51 is an exploded oblique view in a third direction of the second lighting device 30e of Figure 42. Figure 52 is an oblique view in a fourth direction of the second lighting device 30e of Figure 49. Figure 53 is an exploded oblique view in a fourth direction of the second lighting device 30e of Figure 49. Figure 54 is a detailed exploded oblique view of the second lighting device 30e of Figure 51 with the outer casing 42e removed. Figure 55 is a detailed exploded oblique view of the second lighting device 30e of Figure 53 with the outer casing 42e removed. The configuration of the second lighting device 30 will be described in further detail using Figures 49 to 55. 50 and 51 are perspective views of the second lighting device 30e when the lighting device 1e is viewed from the outside to the inside of the lighting device 1e and from the lighting space side to the mounting part 9 side in the short side direction (Y axis direction) of the lighting device 1e. Also, the fourth direction of Figs. 52 and 53 is a perspective view of the second lighting device 30e when the lighting device 1e is viewed from the inside to the outside of the lighting device 1e and from the lighting space side to the mounting part 9 side in the short side direction (Y axis direction) of the lighting device 1e. Also, in Figs. 50 to 55, the up-down direction (Z axis direction) on the paper explaining the second lighting device 30e is shown opposite to the up-down direction (Z axis direction) on the paper of the lighting device 1e in Fig. 42.

(Second light source unit 31)
The second light source unit 31 is a light source for emergency use and emits light. As shown in Figs. 50 and 52, the second light source unit 31 is housed in the housing unit 40e with a part of the configuration of the second translucent unit 312 exposed from the housing unit 40e. As shown in Figs. 54 and 55, the second light source unit 31 has a second light source board 310, a second light emitting element 311, a second translucent unit 312, a holding unit 317e, and a second light source unit fixing device 327. Note that the dotted line Lt1 shown in Fig. 49 is a line comparing the position of the tip of the lens unit 313 on the irradiation side with the position of the tip of the main unit 220 of the first translucent unit 22 constituting the first lighting device 20 on the irradiation side. Also, the dotted line Lt2 is a line comparing the mounting position of the lens unit 313 with the mounting position of the main unit 220 of the first translucent unit 22 constituting the first lighting device 20. As can be seen from the dotted line Lt2, the installation position of the lens part 313 of the lighting device 1e is disposed closer to the lighting space side than the installation position of the main part 220 of the first lighting device 20. That is, in the direction perpendicular to the fixture bottom 110e, the lens part 313 is disposed at a higher position than the main part 220 with the fixture bottom 110e and its extended surface as the reference. Also, as can be seen from the dotted line Lt1, the lighting device 1e has a distance between the tip of the lens part 313 on the irradiation side and the fixture bottom 110e and its extended surface greater than the distance between the tip of the main part 220 of the first lighting device 20 on the irradiation side and the fixture bottom 110e and its extended surface. Note that, in the lighting device 1e, it is sufficient that a partition is provided between the main part 220 of the first lighting device 20 and the lens part 313 of the second lighting device 30, and the positional relationship between the lens part 313 and the main part 220 is not limited to the above-mentioned positional relationship.

The attachment portion 316 of the second light source unit 31 is a flange portion formed around the lens portion 313, and is guided by the attachment guide 321 of the holding portion 317e when the second light transmitting portion 312 is attached to the holding portion 317e, and engages with the holding protrusion 320 of the holding portion 317e.

The holder 317e is for fixing the second light source substrate 310 and the lens portion 313 to the second pedestal portion 48e of the pedestal portion 45e described below. As shown in Figures 51 and 53, the holder 317e has a main holder portion 318e and a secondary holder portion 324e. The main holder portion 318e is formed in a plate shape, and serves as a base on which the second light transmitting portion 312, which functions as a lens, is attached.

The main holder 318e has a holding protrusion 320 that holds the attached second light-transmitting portion 312. The holding protrusion 320 is provided on a side wall 318a that rises from the main holder 318e, and is a protruding portion that protrudes inward from the side wall 318a. The holding protrusion 320 holds the second light-transmitting portion 312 by sandwiching the second light-transmitting portion 312 together with the main holder 318e from the top and bottom (Z-axis direction). The second light-transmitting portion 312 is placed on the lens holder 319 of the main holder 318e by the holding protrusion 320. The holder 317e forms an attachment guide 321 between the lens holder 319 and the holding protrusion 320. The attachment guide 321 is a groove formed between the lens holder 319 and the holding protrusion 320. The mounting guide 321 fits into the mounting portion 316 of the second light transmitting portion 312 when the second light transmitting portion 312 is attached to the holding portion 317e, and guides the sliding of the attached second light transmitting portion 312. A through hole 322 is formed in the main holding portion 318e. The through hole 322 is formed so as to be located above the mounting range of the second light emitting element 311. In the second light transmitting portion 312 attached to the main holding portion 318e, the lens portion 313 and the second light emitting element 311 face each other through the through hole 322. Therefore, the light emitted from the second light emitting element 311 reaches the lens portion 313 through the through hole 322. A main part screw hole 323 is further formed in the main holding portion 318e. The main part screw hole 323 is formed at two places in the main holding portion 318e with the lens holding portion 319 in between. The main screw hole 323 is a hole through which the second light source unit fixing device 327 for fixing the second light source unit 31 to the base unit 45e is inserted. Of the two main screw holes 323 formed, one of the main screw holes 323 overlaps with the sub-part screw hole 325 formed in the holding sub-part 324e and communicates with the sub-part screw hole 325.

The secondary holding portion 324e is a plate-shaped member that engages the second light-transmitting portion 312 arranged in the lens holding portion 319 so that the second light-transmitting portion 312 does not slip out of the mounting guide 321. The secondary holding portion 324e also fixes the second light-transmitting portion 312 so that the second light-transmitting portion 312 does not rattle in the mounting guide 321. The secondary holding portion 324e is formed with a secondary screw hole 325. The secondary screw hole 325 is a hole through which the second light source unit fixing tool 327 for fixing the second light source unit 31 to the base unit 45e is inserted. The secondary screw hole 325 overlaps with the main screw hole 323 formed in the main holding portion 318e and communicates with the main screw hole 323.

The second light source unit fixing device 327 is a member that fixes the second light source unit 31 to the second base portion 48e of the base portion 45e. The second light source unit fixing device 327 is, for example, a screw, a rivet, or the like. The second light source unit fixing device 327 is inserted into the main portion screw hole 323 formed in the main holding portion 318 and the secondary portion screw hole 325 formed in the secondary holding portion 324.

(Control unit 34)
The screw holes 344 formed in the first case 343 of the case 342 are holes through which a control unit fixture 346 for fixing the control unit 34 to the first pedestal portion 46e of the pedestal portion 45e is inserted. That is, the control unit fixture 346 fixes the control unit 34 to the first pedestal portion 46e of the pedestal portion 44.

(Operation unit 36)
The operation unit fixing device 363 fixes the operation unit 36 to the first base portion 46e of the base portion 45e.

(Insulating portion 38)
The insulating portion 38 is disposed in the second lighting device 30e between the second light source board 310 of the second light source unit 31 and the second light source unit mounting portion 480e of the second pedestal portion 48e. The insulating portion 38 electrically insulates the second light source board 310 of the second light source unit 31 from the second light source unit mounting portion 480e of the second pedestal portion 48e. The insulating portion screw hole 380 formed in the insulating portion 38 is a hole through which the second light source unit fixing tool 327 for fixing the second light source unit 31 to the second light source unit mounting portion 480e of the second pedestal portion 48e is inserted. The main holder portion 318e of the second light source unit 31 is fixed to the second light source unit mounting portion 480e of the second pedestal portion 48e, so that the insulating portion 38 is also fixed to the second light source unit mounting portion 480e of the pedestal portion 45e.

(Housing portion 40e)
Next, the housing part 40e of the second lighting device 30e will be described with reference to Figs. 49 to 55. The housing part 40e constitutes the outer shell of the second lighting device 30e. The housing part 40e is formed in a box shape by the outer shell part 42e and the base part 41e, and forms a second space 45 inside. The second space 45 formed by the housing part 40e accommodates the second light source part 31, the control part 34, the operation part 36, and the insulating part 38. As shown in Figs. 50 and 52, the second lighting device 30e is covered by the housing part 40e that accommodates the entire optical system such as the second light source part 31, and the lens part 313 and the outer shell fixing part 432 are exposed, but neither of them protrudes from the outer surface 420a of the housing part 40e. Therefore, the housing part 40e becomes a partition between the first lighting device 20, which is a normal light source, and the second lighting device 30e, which is an emergency light source. The housing portion 40e has a base portion 41e, an outer shell portion 42e, and a pedestal portion 45e.

The base 41e is a part that serves as a base for housing the second light source unit 31. The base 41e has a base bottom 410e, a base side 414e, and a base protrusion 415e. The base bottom 410e is a member formed in a rectangular plate shape. The first pedestal portion 46e of the pedestal portion 45e is attached to the base bottom 410e.

The base side 414e guides the movement of the outer shell 42e when the outer shell 42e is attached to the base 41e. The base side 414e is a side wall rising from the edge of the base bottom 410e. The base side 414e is provided along the longitudinal direction (X-axis direction) of the elongated base bottom 410e. When the first pedestal portion 46e of the pedestal portion 45e is attached to the base 41e, the base side 414e faces the pedestal outer portion 467e, and the base side 414 and the pedestal outer portion 467e are fixed together by a fastener such as a screw.

The base extension 415e is an attachment portion for attaching the second lighting device 30e to the fixture bottom 110e of the lighting device 10e. The base extension 415e is a plate material that is continuously connected to the base bottom 410 and is formed integrally with the base bottom 410e, and is provided to extend from the base bottom 410e. The base extension 415e is provided on the opposite side of the side on which the base side 414 is provided in the base bottom 410e. The base extension 415e extends to the opposite side of the base side 414e via the pedestal 45e. When the second lighting device 30e is placed in the lighting device 10e, the base extension 415e faces and abuts against the fixture bottom 110e. A screw hole 416e is formed in the base extension 415e. The screw hole 416e is a hole through which the second lighting fixture fixing device 80 is inserted to fix the second lighting fixture 30e to the fixture bottom 110e of the lighting fixture 10e.

The outer shell 42e constitutes a part of the outer shell of the second lighting device 30e and constitutes the design part of the appearance of the second lighting device 30e. As shown in FIG. 51 and FIG. 53, the outer shell 42e is formed in a box shape of a substantially rectangular prism with an opening 42a on one side. The outer shell 42e is attached to the second base 48e of the base 45e so as to cover a part of the base 41e. That is, the outer shell 42e is attached to the base 41e via the base 45e. By attaching the outer shell 42e to the second base 48e of the base 45e, the outer shell 42e covers and accommodates the second light source unit 31 except for the exposed part. Also, by attaching the outer shell 42e to the second base 48e of the base 45e, the second base 48e is covered and accommodated inside. The outer shell 42e has an outer shell main portion 420e, an outer shell long side portion 427e, an outer shell short side portion 431e, and an outer shell fixing device 432.

The outer shell main part 420e is a wall located on the surface facing the opening 42a formed in the outer shell part 42e. The outer shell main part 420e is a plate-like wall formed in a rectangular and elongated shape. The outer shell main part 420e faces the second light source unit attachment part 480e when the outer shell part 42e is attached to the base part 45e. The outer shell main part 420e forms a part of the lower surface part of the lighting device 1e when the second lighting device 30e is attached to the lighting fixture 10e. As shown in Figures 50 to 53, the outer shell main part 420e has a second translucent member arrangement part 421e. Note that the outer shell part 42e is smaller than the outer shell part 42 of the lighting device 1 of embodiment 1, and the outer shell main part 420 of the outer shell part 42e does not have an operation unit arrangement part 425 and does not have an operation through part 426.

The second translucent member arrangement portion 421e is a portion of the outer main portion 420e that faces the second translucent portion 312 arranged in the housing portion 40e. That is, in the second lighting device 30e, the second translucent portion 312 is arranged below the second translucent member arrangement portion 421e. The second translucent member arrangement portion 421e has a step portion 422e.

The step portion 422e is a flat wall portion formed so that the wall of the outer main portion 420e is recessed, and a step is formed between the step portion 422e and the outer surface 420a of the outer main portion 420e. The step portion 422e is a portion recessed inwardly of the outer main portion 42e. As shown in Figures 51 and 53, the step portion 422e has a light-transmitting portion through-hole 423e and a screw hole 424e formed therein. The light-transmitting portion through-hole 423e is a through-hole formed in the step portion 422e. When the outer main portion 42e is attached to the base portion 45e, the light-transmitting portion through-hole 423e is formed in a position facing the lens portion 313, which is the second light-emitting portion. When the outer shell 42e is attached to the second pedestal 48e, the lens 313 of the second light-transmitting portion 312 arranged inside the housing 40e is exposed to the outside from the step 422e through the light-transmitting portion through-hole 423e. When the outer shell 42e is attached to the base 41e through the second pedestal 48e, the lens 313 of the second light-transmitting portion 312 arranged inside the housing 40e is partially projected to the outside from the step 422e through the light-transmitting portion through-hole 423e. The screw holes 424e are formed in two places in the step 422e with the light-transmitting portion through-hole 423e between them. The screw holes 424e are holes through which the outer shell fixing tool 432 for fixing the outer shell 42e to the second pedestal 48e of the pedestal 45e is inserted.

The outer longitudinal side 427e constitutes the side wall of the outer shell 42e. The outer longitudinal side 427e is formed to rise from the side of the outer shell main part 420e along the longitudinal direction (X-axis direction) of the outer shell main part 420e. The outer longitudinal side 427e has an outer shell outer part 428e and an outer shell inner part 429e. The outer shell outer part 428e and the outer shell inner part 429e are formed to face each other. In addition, when the outer shell 42e is attached to the base 41e via the second pedestal part 48e, the outer shell inner part 429e is arranged on the side where the base protrusion part 415e extends from the base bottom part 410e with respect to the base 41e. In addition, when the outer shell portion 42e is attached to the base portion 41e via the second pedestal portion 48e, the outer shell inner portion 429e forms a sidewall from the outer surface 420a to the first pedestal overhang portion 473e described later. In addition, when the second lighting device 30e is attached to the lighting fixture 10e, the outer shell outer portion 428e forms the outer sidewall in the short side direction (Y axis direction) of the lighting device 1e and the second lighting device 30e. In addition, in the short side direction (Y axis direction) of the lighting device 1e, the outer shell inner portion 429e forms the inner sidewall of the second lighting device 30e with respect to the outer shell outer portion 428e.

When the second lighting fixture 30e is attached to the lighting fixture 10e, the outer casing inner part 429e functions as a partition wall separating the storage section 18 of the lighting fixture 10e from each component of the second lighting fixture 30e, as shown in FIG. 49. That is, when the first lighting fixture 20 is attached to the lighting fixture 10e, the outer casing part 42e is arranged on the lighting fixture 10e so as to separate the lens part 313, which is the second light-emitting part, from the main part 220, which is the first light-emitting part. The storage section 18, which is the first space, and the second space 45 are separated by the outer casing part 42e. The outer casing inner part 429e functions as a heat-shielding wall and reduces the effect of the operating heat generated by the first lighting fixture 20 on each component of the second lighting fixture 30e, such as the second light source part 31, the control part 34, and the battery 70. In addition, the outer casing inner part 429e functions as a heat dissipation path for transmitting the operating heat generated by the first lighting device 20 to the outside or to the lighting device 10e. That is, the outer casing part 42e functions as a heat transfer path from the storage part 18, which is the first space, to the mounting part 9, or functions as a heat transfer path from the storage part 18, which is the first space, to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. In addition, the outer casing part 42e functions as a heat transfer path from the second space 45 to the mounting part 9, or functions as a heat transfer path from the second space 45 to the lighting space illuminated by the first lighting device 20 or the second lighting device 30.

The outer shell short side portions 431e form the side walls of the outer shell portion 42e. The outer shell short side portions 431e are formed to rise from the side edges of the outer shell main portion 420e along the short direction (Y-axis direction) of the outer shell main portion 420e. The outer shell short side portions 431e form the wall portions at both ends of the outer shell portion 42e in the longitudinal direction (X-axis direction). When the second lighting device 30e is attached to the lighting fixture 10e, the outer shell short side portions 431e form part of the side walls at both ends of the second lighting device 30e in the longitudinal direction (X-axis direction).

The outer long side 427e and the outer short side 431e of the outer portion 42e are positioned so as to penetrate the fixture inclination portion 114e when the second lighting fixture 30e is attached to the lighting fixture 10e.

The outer shell fixing device 432 fixes the outer shell 42e to the second base portion 48e of the base portion 45e. The outer shell fixing device 432 is inserted into a screw hole 424e formed in the step portion 422e and screwed into a screw hole 482e formed in the second light source unit attachment portion 480e of the second base portion 48e that constitutes the base portion 45e. The outer shell fixing device 432 is, for example, a thumb screw. As shown in Figures 51 and 53, a nut 434 may be used for the outer shell fixing device 432.

The housing 40e forms a mounting structure for the second light source 31 and the like by means of the pedestal 45e. The pedestal 45e is where the second light source 31, the holding part 317e, the control part 34, the operation part 36, the insulating part 38, and the like are mounted, and the respective components mounted on the pedestal 45e are disposed on the base 41e. The pedestal 45e has a first pedestal 46e and a second pedestal 48e. The second pedestal 48e is disposed on the first pedestal 46e, and the second pedestal 48e is mounted on the first pedestal 46e. The second pedestal 48e is also disposed on the base 41e.

The first base 46e constitutes a structure to which the second base 48e, the control unit 34, the operation unit 36, the holding member 50, etc. are attached. As shown in Figures 54 and 55, the first base 46e is formed in a rectangular prism-like box shape with an opening 46e1 on one side. The first base 46e is attached to the base 41e so as to cover the base 41e. By attaching the first base 46e to the base 41e, the first base 46e covers and houses the control unit 34 and the operation unit 36 except for the exposed portion. In addition, by attaching the first base 46e to the base 41e, the first base 46e covers and houses the battery 70 and the holding member 50 that holds the battery 70. The first base portion 46e has a base main portion 460e, a base long side portion 466e, a first base protruding portion 473e, and a base short side portion 475e.

The base main part 460e is a wall that constitutes part of the storage part 18 that houses the operating part 36, the control part 34, the holding member 50, the battery 70, etc. The base main part 460e is a plate-like wall located on the surface facing the opening 46e1 formed in the first base part 46e. The base main part 460e is also a plate-like wall formed in a rectangular and elongated shape. The base main part 460e faces the base bottom part 410e when the first base part 46e is attached to the base part 41e. The base main part 460e faces the fixture inclination part 114e and the fixture side edge part 117e when the second lighting device 30 is attached to the lighting device 10.

The base main part 460e is formed with a main part mounting opening 488e and a main part electric wire insertion hole 490e. The main part mounting opening 488e is a through hole formed in the short direction (Y axis direction) from the inner side of the base main part 460e. The main part mounting opening 488e is formed in two places along the longitudinal direction (X axis direction) of the base main part 460e. The base fixing part 483e of the second base part 48e is inserted and fixed into the main part mounting opening 488e. The main part electric wire insertion hole 490e is a through hole formed along the longitudinal direction of the base main part 460e. An electric wire is inserted and arranged in the main part electric wire insertion hole 490e. The base main part 460e has an operation part mounting part 461e and a control part mounting part 464e.

The operation unit attachment portion 461e is a portion of the first base portion 46e to which the operation unit 36 is attached. The operation unit attachment portion 461e faces the operation unit 36 arranged inside the first base portion 46e. That is, in the second lighting device 30e, the operation unit 36 is arranged below the operation unit attachment portion 461e of the first base portion 46e. The operation unit attachment portion 461e is formed with an operation unit through-hole 462e and a screw hole 463e.

The operation unit through-hole 462e is a through-hole formed in the operation unit mounting portion 461e. When the operation unit 36 is mounted inside the first base portion 46e, the operation surface portion 360 of the operation unit 36 arranged inside the first base portion 46e is exposed from the wall surface of the operation unit mounting portion 461e through the operation unit through-hole 462e. In addition, when the second lighting device 30e is mounted on the lighting fixture 10e, the operation unit through-hole 462e and the second through-hole 118e communicate with each other. Then, through the operation unit through-hole 462e and the second through-hole 118e, the operation surface portion 360 of the operation unit 36, such as the operation button 361 and the indicator light 362, is exposed to the outside of the fixture main body 11e. By exposing the operation surface portion 360 to the underside of the lighting device 1, the operator can operate the operation button 361 of the operation unit 36 and recognize the lighting and extinguishing of the indicator light 362. An operation unit fastener 363, such as a screw or a rivet, is attached to the screw hole 463e to fasten the operation unit 36 to the operation unit attachment part 461e. The operation unit 36 is attached to the operation unit attachment part 461e from the inside of the first base part 46e by the operation unit fastener 363.

The control unit attachment portion 464e is the portion of the first base portion 46e where the control unit 34 is attached. The control unit attachment portion 464e faces the first case 343 of the control unit 34 arranged inside the first base portion 46e. That is, in the second lighting device 30e, the control unit 34 is arranged below the control unit attachment portion 464e of the first base portion 46e. A screw hole 465e is formed in the control unit attachment portion 464e.

A control unit fastener 346, such as a screw or rivet, is attached to the screw hole 465e to fasten the control unit 34 to the control unit attachment part 464e. The control unit 34 is attached to the control unit attachment part 464e from the inside of the first base part 46e by the control unit fastener 346.

The base longitudinal side 466e is a wall that constitutes part of the storage section 18 that contains the operating section 36, the control section 34, the holding member 50, the battery 70, etc. As shown in Figures 54 and 55, the base longitudinal side 466e constitutes the side wall of the first base section 46e. The base longitudinal side 466e is formed to rise from the side edge of the base main section 460e along the longitudinal direction (X-axis direction) of the base main section 460e. The base longitudinal side 466e has a base outer section 467e and a base inner section 470e.

The base outer part 467e and the base inner part 470e are formed to face each other. When the second lighting fixture 30e is attached to the lighting fixture 10e, the base outer part 467e constitutes a part of the outer side wall in the short side direction (Y axis direction) of the lighting device 1e and the second lighting fixture 30e as shown in FIG. 46. The base inner part 470e constitutes the inner side wall of the second lighting fixture 30e with respect to the base outer part 467e in the short side direction (Y axis direction) of the lighting device 1e. When the second lighting fixture 30e is attached to the lighting fixture 10e, the base inner part 470e is arranged along the fixture side part 111e of the lighting fixture 10e.

As shown in Figures 54 and 55, the base outer part 467e is formed with a holding member fixing part 468e and an attachment hole 469e. The holding member fixing part 468e is a bridge-shaped cut-out. In other words, the holding member fixing part 468e is a plate material cut and raised from the base outer part 467e, and both ends are formed continuous with the base outer part 467e. The fixing part 51 of the holding member 50 is inserted into the holding member fixing part 468e. The attachment hole 469e is a hole through which the holding member fixing tool 54 for fixing the holding member 50 to the base outer part 467e is inserted.

The base inner part 470e is formed with a battery attachment/detachment part 471e, a side wire insertion hole 472e, and a side mounting opening 489e. The battery attachment/detachment part 471e is a through hole and is an opening used when inserting and removing the battery 70 into the first base part 46e. The battery attachment/detachment part 471e is formed at a position where the battery 70 is arranged in the first base part 46e. In the state where the outer shell part 42e of the lighting device 1e is attached to the second base part 48e of the base part 45e, at least a part of the battery attachment/detachment part 471e is covered by the outer shell part 42e. The battery attachment/detachment part 471e may be formed continuously with the base inner part 470e in the base main part 460e. The side wire insertion hole 472e is a through hole and serves as a wiring path between the first lighting device 20 and the second lighting device 30e. The side mounting opening 489e is formed along the longitudinal direction (X-axis direction) of the base inner part 470e, starting from the main mounting opening 488e.

The first base extension 473e is a bent piece formed at the end of the base inner portion 470e. The first base extension 473e is formed at the opposite end of the base main portion 460e via the base inner portion 470e. The first base extension 473e, together with the base extension 415e, is an attachment portion for attaching the second lighting fixture 30e to the fixture bottom portion 110e of the lighting fixture 10e. When attaching the second lighting fixture 30e to the fixture bottom portion 110e of the lighting fixture 10e, the first base extension 473e faces the base extension 415e and the fixture bottom portion 110e and abuts against the base extension 415e and the fixture bottom portion 110e. That is, when the second lighting device 30e is attached to the lighting device 10e, the first base extension 473e is sandwiched between the base extension 415e and the device bottom 110e. A screw hole 474e is formed in the first base extension 473e. The screw hole 474e is a hole through which the second lighting device fixing device 80 is inserted to fix the second lighting device 30e to the device bottom 110e.

The base short side portion 475e is a wall that constitutes part of the storage portion 18 that contains the operating unit 36, the control unit 34, the holding member 50, the battery 70, etc. The base short side portion 475e constitutes the side wall of the first base portion 46e, as shown in Figures 54 and 55. The base short side portion 475e is formed to rise from the side edge of the base main portion 460e along the short direction (Y-axis direction) of the base main portion 460e. The base short side portion 475e constitutes the wall portion of both ends of the first base portion 46e in the longitudinal direction (X-axis direction). The base short side portion 475e constitutes part of the side wall of both ends of the second lighting device 30e in the longitudinal direction (X-axis direction) when the second lighting device 30e is attached to the lighting fixture 10e.

The second base 48e is a base that attaches the second light source 31 to the first base 46e. The second base 48e is attached to the base main part 460e of the first base 46e. The second base 48e has a second light source attachment part 480e, a base fixing part 483e, a connecting part 485e, a base side part 486e, and a second base fixing device 487e.

The second light source unit mounting portion 480e is a plate-shaped portion. The second light source unit 31 and the insulating portion 38 are placed and attached to the second light source unit mounting portion 480e. The outer shell portion 42e is also attached to the second light source unit mounting portion 480e. The second light source unit mounting portion 480e receives the operating heat generated by the second light source unit 31 and dissipates the received heat. When the second base portion 48e is attached to the first base portion 46e, the second light source unit mounting portion 480e faces the base main portion 460e of the first base portion 46e. The second light source unit mounting portion 480e has a screw hole 481e and a screw hole 482e formed therein. The screw hole 481e is formed in two locations corresponding to the main portion screw hole 323 of the second light source unit 31. The second light source unit fixing device 327 for fixing the second light source unit 31 to the second light source unit mounting part 480e is attached to the screw hole 481e. The screw holes 482e are formed in two locations corresponding to the screw holes 424e of the outer shell 42e. The outer shell fixing device 432 for fixing the outer shell 42e to the second light source unit mounting part 480e is attached to the screw hole 482e.

The base fixing portion 483e is a bent piece for attaching the second base portion 48e to the first base portion 46e and fixing the second base portion 48e to the first base portion 46e. The base fixing portion 483e is formed at the longitudinal end of the second base portion 48e, and is formed in two places with the second light source unit mounting portion 480e in between. When attaching the second base portion 48e to the first base portion 46e, the base fixing portion 483e is inserted into the main part mounting opening 488e formed in the first base portion 46e, and abuts against the base main part 460e of the first base portion 46e from the inside of the first base portion 46e. A screw hole 484e is formed in the base fixing portion 483e. A second base fixing device 487e, such as a screw or rivet, is fitted into the screw hole 484e to fix the second base 48e to the first base 46e.

The connecting portion 485e is a plate-shaped portion that connects the second light source unit mounting portion 480e and the base fixing portion 483e to each other. The connecting portion 485e is formed at the end portion in the longitudinal direction (X-axis direction) of the second light source unit mounting portion 480e, i.e., the short side portion. The connecting portion 485 positions the second light source unit mounting portion 480e above the base main portion 460e of the first base portion 46e. The connecting portion 485e functions as a heat dissipation path that transmits the operating heat generated by the second light source unit 31 to the base portion 41e and the lighting fixture 10e.

The base side portion 486 is a bent piece provided on the longitudinal side of the second light source unit attachment portion 480e. The base side portion 486 restricts the elastic deformation of the holding member 50 when the outer shell portion 42e is attached to the second base portion 48e.

The second pedestal fixing device 487e is, for example, a screw or a rivet. The second pedestal fixing device 487e is used to attach the second pedestal 48e to the first pedestal 46e. The second pedestal fixing device 487e is inserted into a screw hole 484e formed in a pedestal fixing portion 483e constituting the second pedestal 48e, and fixes the pedestal fixing portion 483e of the second pedestal 48e to the pedestal main portion 460e of the first pedestal 46e.

(Holding member 50)
Fig. 56 is a cross-sectional view of the lighting device 1e of Fig. 45 taken along line F-F. Fig. 57 is a schematic cross-sectional view showing attachment and detachment of the battery 70 of Fig. 56. Next, the holding member 50 will be described with reference to Figs. 54 to 57. The holding member 50 is an elastic member such as a leaf spring, and holds the battery 70 arranged in the first pedestal portion 46e of the housing portion 40e. The holding member 50 has a fixing portion 51, a holding portion 53, and a holding member fixture 54.

The fixing portion 51 is a flat plate-shaped plate portion. As shown in FIG. 54 and FIG. 55, the fixing portion 51 is inserted into the holding member fixing portion 468e formed on the base outer portion 467e, thereby engaging with the base outer portion 467e and being attached to the base outer portion 467e. The fixing portion 51 abuts against the base outer portion 467e while being inserted into the holding member fixing portion 468e formed on the base outer portion 467e. A fixing hole 52 is formed in the fixing portion 51. A holding member fixing device 54 for fixing the holding member 50 to the base outer portion 467e is attached to the fixing hole 52. When the second lighting device 30e is attached to the lighting fixture 10e, the fixing portion 51 is disposed so as to be approximately perpendicular to the base bottom portion 410e, as shown in FIG. 56.

The holding portion 53 is formed integrally with the fixed portion 51 and is a plate-like portion rising from the fixed portion 51. The holding portion 53 is a plate-like portion extending horizontally when the plate surface of the fixed portion 51 is assumed to be a plate-like portion extending vertically. When the holding member 50 is attached to the pedestal outer portion 467e, the holding portion 53 faces the base bottom portion 410e as shown in FIG. 56. The holding portion 53 is inclined with respect to the plate surface of the fixed portion 51 so as to approach the fixed portion 51, and it is desirable that the angle between the plate surface of the holding portion 53 and the plate surface of the fixed portion 51 is 90 degrees or less. When the holding member 50 is attached to the pedestal outer portion 467e, the holding portion 53 is inclined so as to approach the base bottom portion 410e.

The holding portion 53 has spring properties and elastically deforms. As shown in FIG. 56, when the second lighting device 30e is attached to the lighting fixture 10e, the holding portion 53 is arranged to extend in the left-right direction (Y-axis direction) of the lighting device 1. Also, as shown in FIG. 56, the holding portion 53 holds the battery 70. As shown in FIG. 57, when the outer shell portion 42e is detached from the base portion 45e, the holding portion 53 is allowed to elastically deform, and the battery 70 can be attached and detached. Note that, as shown in FIG. 53, when the outer shell portion 42e is detached from the second base portion 48e, the battery attachment/detachment portion 471e formed on the first base portion 46e is exposed. By removing the first lighting device 20 and the outer casing 42e from the lighting device 10e, the worker can expose the battery attachment/detachment section 471e to the storage section 18, and the worker can insert and remove the battery 70 into and from the first base section 46e via the battery attachment/detachment section 471e. Therefore, it is preferable that the device side section 111e has a through hole formed therein that communicates with the battery attachment/detachment section 471e when the second lighting device 30e is attached to the lighting device 10e.

The holding member fastener 54 is a member that fastens the holding member 50 to the base outer portion 467e. The holding member fastener 54 is, for example, a screw, a rivet, or the like. The holding member fastener 54 is inserted through the fixing hole 52 formed in the fixing portion 51 and the mounting hole 469e formed in the base outer portion 467e.

(Battery 70)
The battery 70 is supported below by the holding portion 53 of the holding member 50, and downward movement of the battery 70 is restricted. When the first lighting device 20 is removed from the storage portion 18 and the outer casing 42e is removed from the base portion 45e, an operator can remove the battery 70 to the side by elastically deforming the holding member 50, as shown in Fig. 57. In Fig. 57, the arrow S indicates the direction in which the battery 70, the outer casing 42e, or the first lighting device 20 is attached to the lighting device 10e, and the arrow R indicates the direction in which the battery 70, the outer casing 42e, or the first lighting device 20 is removed from the lighting device 10e.

<Functions and Effects of the Lighting Device 1, etc.>
The effects of the lighting device 1, lighting device 1b, lighting device 1c, lighting device 1d, and lighting device 1e will be described. Note that in the following description, the effects of the lighting device 1 will be described, but unless otherwise specified, these effects also apply to the lighting devices 1b, 1c, 1d, and 1e.

As described above, in the lighting device 1, when the first lighting fixture 20 is attached to the lighting fixture 10, the outer casing 42 is arranged in the lighting fixture 10 so as to separate the lens part 313, which is the second light-emitting part, from the main part 220, which is the first light-emitting part. Therefore, the lighting device 1 can arrange the first lighting fixture 20 and the second lighting fixture 30 side by side in the lighting fixture 10. Since the lighting device 1 can arrange the first lighting fixture 20 and the second lighting fixture 30 side by side in the lighting fixture 10, the first lighting fixture 20 and the second lighting fixture 30 can be arranged side by side in the short side direction (Y-axis direction) of the lighting device 1 in the elongated lighting device 1. As a result, when designing and manufacturing the lighting device 1, it is not necessary to design and manufacture according to a length dimension different from that of a general lighting device and a general lighting fixture for regular use, and a lighting device 1 equipped with an emergency lighting fixture that is excellent in economy and workability can be provided. Similarly, in the lighting device 1e, when the first lighting fixture 20 is attached to the lighting fixture 10e, the outer casing 42e is arranged in the lighting fixture 10e so as to separate the lens part 313, which is the second light-emitting part, from the main part 220, which is the first light-emitting part. Therefore, the lighting device 1e can arrange the first lighting fixture 20 and the second lighting fixture 30e side by side in the lighting fixture 10e. Since the lighting device 1e can arrange the first lighting fixture 20 and the second lighting fixture 30e side by side in the lighting fixture 10e, the first lighting fixture 20 and the second lighting fixture 30e can be arranged side by side in the short side direction (Y-axis direction) of the lighting device 1e in the elongated lighting device 1e. As a result, when designing and manufacturing the lighting device 1e, it is not necessary to design and manufacture according to a length dimension different from that of a general lighting device and a general lighting fixture for regular use, and it is possible to provide a lighting device 1e equipped with an emergency lighting fixture that is economical and easy to install.

The lighting fixture 10 is formed in an elongated shape, and the first lighting fixture 20 and the second lighting fixture 30 are arranged side by side in the short direction (Y-axis direction) of the lighting fixture 10. As a result, when designing and manufacturing the lighting device 1, it is not necessary to design and manufacture according to length dimensions different from those of general lighting devices and general lighting fixtures for everyday use, and it is possible to provide a lighting device 1 equipped with an emergency lighting fixture that is economical and easy to install.

The second lighting fixture 30 is disposed outside the storage section 18. Therefore, the worker does not need to remove the second lighting fixture 30 when attaching or detaching the first lighting fixture 20 to or from the lighting fixture 10. As a result, the worker can easily attach or detach the first lighting fixture 20 that is used regularly, and can easily perform maintenance on the lighting device 1.

The second lighting fixture 30 is also attached to the lighting fixture 10. By attaching the second lighting fixture 30 to the lighting fixture 10, a worker can remove the second lighting fixture 30 from the lighting fixture 10 or attach the second lighting fixture 30 to the lighting fixture 10. This allows a worker to repair or replace the second lighting fixture 30, making it easier to maintain the lighting device 1.

The outer casing 42 is also formed using a light-blocking material. Therefore, the lighting device 1 can prevent unnecessary light from leaking from the second lighting device 30. Similarly, the outer casing 42e is also formed using a light-blocking material. Therefore, the lighting device 1e can prevent unnecessary light from leaking from the second lighting device 30e.

The outer casing 42 is formed using a flame-retardant or non-flammable material. Therefore, the lighting device 1 can prevent a malfunction caused by heat generation in the first lighting device 20 from affecting the second lighting device 30, and can also prevent a malfunction caused by heat generation in the second lighting device 30 from affecting the first lighting device 20. Similarly, the outer casing 42e is formed using a flame-retardant or non-flammable material. Therefore, the lighting device 1e can prevent a malfunction caused by heat generation in the first lighting device 20 from affecting the second lighting device 30e, and can also prevent a malfunction caused by heat generation in the second lighting device 30e from affecting the first lighting device 20.

The outer casing 42 is also removably attached to the second lighting device 30. This makes it easier for workers to perform maintenance on the second lighting device 30. Similarly, the outer casing 42e is also removably attached to the second lighting device 30e. This makes it easier for workers to perform maintenance on the second lighting device 30e.

The maximum dimension of the second lighting fixture 30 is smaller than the maximum dimension of the first lighting fixture 20. The first direction is the longitudinal direction of the lighting fixture 10, and the second direction is the transverse direction of the lighting fixture 10. Therefore, the lighting device 1 can ensure the amount of light to illuminate the lighting space when in normal use. Similarly, the maximum dimension of the second lighting fixture 30e is smaller than the maximum dimension of the first lighting fixture 20. The first direction is the longitudinal direction of the lighting fixture 10e, and the second direction is the transverse direction of the lighting fixture 10e. Therefore, the lighting device 1e can ensure the amount of light to illuminate the lighting space when in normal use.

The first lighting device 20 functions as a normal lighting device, and the second lighting device 30 functions as an emergency lighting device. Therefore, the lighting device 1 can provide lighting during normal use when power is supplied from a commercial power source, etc., and can also provide lighting in an emergency when power is not supplied from outside the lighting device 1 due to a power outage, etc. Similarly, the first lighting device 20 functions as a normal lighting device, and the second lighting device 30e functions as an emergency lighting device. Therefore, the lighting device 1e can provide lighting during normal use when power is supplied from a commercial power source, etc., and can also provide lighting in an emergency when power is not supplied from outside the lighting device 1e due to a power outage, etc.

In addition, in the lighting device 1, the storage section 18, which is the first space, and the second space 45 are separated by the outer casing 42. In the lighting device 1, the air in the first space, whose temperature rises due to the operating heat of the first light source section 21, does not move to the second space 45 because it is separated by the outer casing 42. Therefore, in the lighting device 1, thermal stress is not applied to the components of the second lighting device 30. As a result, in the lighting device 1, the emergency lighting device is less susceptible to the operating heat of the regular lighting device. Similarly, in the lighting device 1e, the storage section 18, which is the first space, and the second space 45 are separated by the outer casing 42e. In the lighting device 1e, the air in the first space, whose temperature rises due to the operating heat of the first light source section 21, does not move to the second space 45 because it is separated by the outer casing 42e. Therefore, in the lighting device 1e, thermal stress is not applied to the components of the second lighting device 30e. As a result, the lighting device 1e is less susceptible to the effects of heat from the operation of emergency lighting devices.

In addition, the outer casing 42 of the lighting device 1 is formed using a light-shielding heat-conductive material. Therefore, the lighting device 1 can transfer the heat of the air in the first space, whose temperature rises due to the operation heat of the first light source unit 21, through the outer casing 42, and dissipate it to the outside of the lighting device 1. Therefore, the lighting device 1 does not apply thermal stress to the components of the second lighting device 30. As a result, the lighting device 1 is less susceptible to the effect of the operation heat of the normal lighting device on the emergency lighting device. Similarly, the lighting device 1e has an outer casing 42e formed using a light-shielding heat-conductive material. Therefore, the lighting device 1e can transfer the heat of the air in the first space, whose temperature rises due to the operation heat of the first light source unit 21, through the outer casing 42e, and dissipate it to the outside of the lighting device 1e. Therefore, the lighting device 1e does not apply thermal stress to the components of the second lighting device 30e. As a result, the lighting device 1 is less susceptible to the effects of heat from the operation of emergency lighting fixtures.

The outer casing 42 also functions as a heat transfer path from the first space to the mounting portion 9, or as a heat transfer path from the first space to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. Therefore, in the lighting device 1, thermal stress is unlikely to be applied to the components of the second lighting device 30. As a result, in the lighting device 1, the emergency lighting device is unlikely to be affected by the operating heat of the regular lighting device. Similarly, the outer casing 42e functions as a heat transfer path from the first space to the mounting portion 9, or as a heat transfer path from the first space to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. Therefore, in the lighting device 1e, thermal stress is unlikely to be applied to the components of the second lighting device 30e. As a result, in the lighting device 1, the emergency lighting device is unlikely to be affected by the operating heat of the regular lighting device.

In addition, the outer casing 42 functions as a heat transfer path from the second space 45 to the mounting portion 9, or functions as a heat transfer path from the second space 45 to the lighting space illuminated by the first lighting device 20 or the second lighting device 30. Therefore, in the lighting device 1, heat is easily dissipated from the second space 45 to the outside, and thermal stress is not easily applied to the components of the second lighting device 30. As a result, in the lighting device 1, the emergency lighting device is not easily affected by the operating heat of the regular lighting device. Similarly, the outer casing 42e functions as a heat transfer path from the second space 45 to the mounting portion 9, or functions as a heat transfer path from the second space 45 to the lighting space illuminated by the first lighting device 20 or the second lighting device 30e. Therefore, in the lighting device 1e, heat is easily dissipated from the second space 45 to the outside, and thermal stress is not easily applied to the components of the second lighting device 30e. As a result, the lighting device 1e is less susceptible to the effects of heat from the operation of emergency lighting devices.

When the battery 70 is placed inside the housing 40, the lighting device 1 abuts against the inner surface of the housing 40 and is held inside the second space 45 by the holding member 50 attached to the housing 40. When the outer casing 42 is attached to the base 44, the holding member 50 has a narrower range of movement than when the outer casing 42 is not attached to the base 44. Therefore, when the outer casing 42 is attached to the base 44, the battery 70 is securely held by the holding member 50. As a result, the lighting device 1 can securely hold the battery 70, which serves as an emergency power source, despite its simple configuration.

When the outer casing 42 is not attached to the base 44, the holding member 50 elastically deforms within a movable range that allows the battery 70 to be attached and detached. When the outer casing 42 is removed from the base 41, the holding member 53 is allowed to elastically deform, so that the worker can easily attach or detach the battery 70 to or from the lighting device 1.

The outer shell 42 is formed in a box shape, and a light-transmitting section through-hole 423 is formed in a position facing the lens section 313, which is the second light-emitting section. Therefore, the outer shell 42 can expose the second light-emitting section housed therein, and can form the outer shell of the second lighting device 30.

The base 44 has an opening 44a at a position where the battery 70 is placed, and when the outer casing 42 is attached to the base 44, at least a part of the opening 44a is covered by the outer casing 42. The opening 44a can be exposed by removing the outer casing 42 that covers the opening 44a, and the worker can easily attach and detach the battery 70 to the lighting device 1 through the opening 44a, or can attach and detach the battery 70. Similarly, the base 45e has a battery attachment/detachment section 471e at a position where the battery 70 is placed, and when the outer casing 42e is attached to the base 45e, at least a part of the battery attachment/detachment section 471e is covered by the outer casing 42e. The battery attachment/detachment section 471e can be exposed by removing the outer casing 42e that covers the battery attachment/detachment section 471e, and the worker can easily attach and detach the battery 70 to the lighting device 1 through the battery attachment/detachment section 471e.

Although the embodiment and the modified examples of the present invention have been described above, these embodiments and the modified examples may be combined and implemented. Alternatively, one of these embodiments and the modified examples may be partially implemented. Alternatively, these embodiments and the modified examples may be partially combined and implemented. Note that the present invention is not limited to these embodiments and modified examples, and various modifications are possible as necessary.

Reference Signs List 1 lighting device, 1b lighting device, 1c lighting device, 1d lighting device, 1e lighting device, 9 attached part, 10 lighting device, 10b lighting device, 10c lighting device, 10d lighting device, 10e lighting device, 11 device main body, 11b instrument main body part, 11c instrument main body part, 11d instrument main body part, 11e instrument main body part, 12 Instrument end, 12b Instrument end, 12c Instrument end, 12d Instrument end, 12e Instrument end, 13 Instrument side connector, 14 Instrument side terminal block, 15 Instrument side fixture, 16 Instrument side power line, 18 Accommodation section , 20 first lighting fixture, 21 first light source section, 22 first transparent section, 23 power supply section, 24 support section, 30 Second lighting fixture, 30a Second lighting fixture, 30e Second lighting fixture, 31 Second light source unit, 34 control unit, 36 operation unit, 38 insulating unit, 40 housing unit, 40a housing unit, 40e housing unit, 41 base unit, 41e base unit, 42 outer shell unit, 42a opening unit, 42e outer shell unit, 44 Pedestal portion, 44a Opening, 45 Second space, 45e Pedestal portion, 46e First pedestal portion, 46e1 Opening, 48e Second pedestal portion, 50 Holding member, 51 Fixing portion, 52 Fixing hole, 53 Holding portion, 53a Holding portion, 53b side wall fixing portion, 53b1 side wall fixing portion, 53c holding bent portion, 53c1 first inclined portion, 53c2 second inclined portion, 54 holding member fixing tool, 60 hanging cord, 70 battery, 70a battery, 80 second lighting Fixture, 110 Bottom of the device, 110e Bottom of the device, 111 Side of the device, 111d Side of the device, 111e Side of the device, 112 Wire passage hole, 113 Screw hole, 114 Sloping part of the device, 114b Sloping part of the device, 114d Sloping part of the device, 114e Sloping part of the device , 115 instrument penetration portion, 115b instrument penetration portion, 115d instrument penetration portion, 115e instrument penetration portion, 116e first penetration portion, 117 instrument side edge portion, 117b instrument side edge portion, 117c instrument side edge portion, 117d instrument side edge portion , 117e: appliance side edge portion, 118e: second penetration portion, 120: end plate, 120b: end plate, 120c: end plate, 121: knockout portion, 121c: knockout portion, 160: electric wire portion, 161 Connector, 210 First light source board, 211 First light source element, 220 Main portion, 221 Mounting portion, 222 First input portion, 223 First output portion, 226 Lid portion, 230 Case, 240 Base portion, 241 Standing portion, 242 Power supply unit arrangement section, 310, second light source board, 311, second light emitting element, 312, second light transmitting section, 313, lens section, 314, second input section, 315, second output section, 316, attachment section, 317, holding section, 317e, holding section portion, 318 main holding portion, 318a side wall, 318e main holding portion, 319 lens holding portion, 320 holding projection, 321 mounting guide, 322 through hole, 323 main portion screw hole, 324 secondary holding portion, 324e secondary holding portion, 325 Sub-unit screw hole, 326 Connection unit, 327 Second light source unit fixing device, 340 Control board, 341 Control circuit components, 342 Case, 343 First case, 343a Case bottom wall, 343b Case side wall, 344 Screw hole, 345 Second Case, 346 control unit fixing device, 360 operation surface portion, 361 operation button, 362 indicator light, 363 operation unit fixing device, 380 insulation unit screw hole, 410 base bottom portion, 410e base bottom portion, 411 holding member fixing portion, 412 screw hole, 413 mounting hole, 414 base side portion, 414e base side portion, 415 base protrusion portion, 415e base protrusion portion, 416 screw hole, 416e screw hole, 420 outer shell main portion, 420a Outer surface, 420e Outer main portion, 421 Second light-transmitting member arrangement portion, 421e Second light-transmitting member arrangement portion, 422 Step portion, 422e Step portion, 423 Light-transmitting portion through portion, 423e Light-transmitting portion through portion, 424 Screw hole, 424e screw hole, 425 operation unit arrangement portion, 426 operation through portion, 427 outer shell longitudinal side portion, 427e outer shell longitudinal side portion, 428 outer shell outer portion, 428e outer shell outer portion, 429 outer shell inner portion, 429e outer shell inner portion, 430 Notch portion, 431 Outer short side portion, 431e Outer short side portion, 432 Outer fixing device, 434 Nut, 440 Second light source attachment portion, 441 Screw hole, 442 Screw hole, 443 Operation unit mounting portion, 444 screw hole, 445 control unit mounting portion, 446 screw hole, 447 connection portion, 460e base main portion, 461e operation unit mounting portion, 462e operation unit through-hole, 463e screw hole, 464e control unit mounting portion, 465e screw hole, 466e base long side portion, 467e base outer portion, 468e holding member fixing portion, 469e mounting hole, 470e base inner portion, 471e battery attachment/detachment portion, 472e side electric wire insertion hole, 473e first base protrusion portion , 474e screw hole, 475e base short side portion, 480e second light source unit attachment portion, 481e screw hole, 482e screw hole, 483e base fixing portion, 484e screw hole, 485 Connection part, 485e connection part, 486 base side part, 486e base side part, 487e second base part fastener, 488e main part mounting opening, 489e side mounting opening, 490e main part electric wire insertion hole.

Claims (1)

A lighting fixture to be attached to the mounting portion;
A first lighting device that is detachably attached to the lighting fixture;
A second lighting device provided in the lighting fixture so as to be aligned in a short side direction of the first lighting device;
Equipped with
The second lighting device is
A second light source unit serving as a light source;
A control unit that turns on the second light source unit;
an operation unit provided with operation buttons and indicators to be operated;
a base portion having an attachment portion on which the second light source portion is directly attached to a plate surface on one side thereof by screws via an insulating member , the operation portion is attached to the one side thereof , and the control portion is disposed on the other side opposite to the one side thereof ;
an outer shell portion that houses the second light source portion, the control portion, the operation portion, and the base portion and has a through-hole portion that exposes the second light source portion and the operation portion;
A lighting device having the above structure.

Images