JP6181964B2 - lighting equipment - Google Patents

Description

  The present invention relates to a luminaire that can be toned.

  2. Description of the Related Art Conventionally, there is known a lighting fixture that prevents foreign substances such as insects and dust from entering the inside of the fixture body. For example, there is one disclosed in Patent Document 1. The lighting fixture described in Patent Document 1 is used for a crime prevention light or the like, and is a pair of a cylindrical fixture main body and a pair of projections projecting from one end of the fixture main body and having a tip surface supported on a side surface such as a column. An attachment leg and a terminal block storage part formed between the attachment legs and communicating with the inside of the instrument body are provided. A terminal block is stored in the terminal block storage section. An electric wire insertion hole is formed on one surface of the terminal block storage portion. Then, a bush is attached to the electric wire insertion hole to close it, thereby preventing foreign matter from entering the terminal block housing and thus the inside of the instrument body.

JP-A-2-226608

  However, although the above-mentioned conventional lighting fixture can isolate the inside and outside of the fixture body, it is configured to be isolated from the outside including the terminal block. For this reason, when performing the work of wiring to the terminal block, the bush has to be removed and the terminal block must be exposed to the outside of the instrument body, resulting in a problem that the operation becomes troublesome.

  The present invention has been made in view of the above points, and an object of the present invention is to provide a lighting apparatus that can prevent foreign matter from entering the interior of the apparatus body and that can easily perform wiring work. To do.

The lighting fixture of the present invention includes a fixture main body that has a light emitting module and a lighting device that controls lighting of the light emitting module, and that has an opening for irradiating light emitted from the light emitting module to the outside. A terminal block connected to the lighting device and having an electric wire connecting portion for connecting an electric wire from the outside, a translucent panel that closes the opening and transmits light emitted from the light emitting module, and is attached to the instrument body and A cover that covers the periphery of the terminal block within the instrument body, and provided on one surface of the instrument body is a window hole for allowing the wire connection portion of the terminal block to face the exterior of the instrument body, cover is provided with a first opening communicating with continuous with the window opening, and a first mounting portion that is provided on the periphery of the first opening portion mounted to the periphery of the window opening, said end And the inside of the instrument body except the base, characterized in that it separates the outside of the instrument body.

  In this lighting fixture, it is preferable that the cover is configured to be inclined with respect to one surface of the fixture main body on which the window hole is provided.

  In this lighting fixture, the fixture body includes a mounting bracket to which the terminal block is attached, the cover has a second opening provided at a position different from the first opening, and a peripheral edge of the second opening. And a second attachment portion attached to the attachment fitting, and the second opening is preferably configured to be closed by the attachment fitting.

  In this lighting apparatus, the cover includes a slit for passing an internal wiring connecting the terminal block and the lighting device, and the slit is configured to open one end thereof to the outside of the cover. Is preferred.

  In this invention, since the inside of the instrument main body excluding the terminal block can be isolated from the outside, it is possible to prevent foreign matter from entering the instrument main body. Moreover, in this invention, since the electric wire connection part of a terminal block faces the exterior of an instrument main body through a 1st opening part and a window hole, wiring work can be performed easily, without removing a cover.

It is a figure which shows the lighting fixture which concerns on embodiment of this invention, (a) is a whole perspective view, (b) is a figure which shows the inside of a fixture main body, (c) shows a 1st cover and a power supply terminal block. It is a perspective view. It is a perspective view which shows the instrument main body in a lighting fixture same as the above. It is a top view which shows the light emitting module in a lighting fixture same as the above. It is a figure which shows the attachment method of the end cap in a lighting fixture same as the above, (a) is a perspective view of an end cap and an instrument main body, (b), (c) is a figure of the instrument main body which attached the end cap. (A)-(d) is a figure which shows the 1st cover in a lighting fixture same as the above. (A)-(d) is a figure which shows the 2nd cover in a lighting fixture same as the above. It is the perspective view seen from the window hole side in the same lighting fixture. It is the perspective view seen from the mounting bracket side in the same lighting fixture. It is sectional drawing of a lighting fixture same as the above.

  Hereinafter, the lighting fixture which concerns on embodiment of this invention is demonstrated using drawing. The lighting fixture of this embodiment is used for indirect lighting such as cove lighting and cornice lighting, for example, and as shown in FIGS. 1 (a) to (c), the fixture body 1, the light emitting module 2, and the lighting device 3. , Terminal block 4, translucent panel 5, end cap 6, and cover 7.

  The instrument body 1 is formed in a long shape and holds each light emitting module 2 described later. The instrument main body 1 is made of, for example, a sheet metal, and includes a main plate 10, a first side plate 11, and a second side plate 12, as shown in FIG. The main plate 10 is formed in a long rectangular shape along the left-right direction in FIG. A first side plate 11 is integrally formed at one end edge of the main plate 10 in the short direction (vertical direction in FIG. 1B) so as to protrude upward in FIG. Further, the second side plate 12 is integrally formed at the other end edge in the short direction of the main plate 10 so as to protrude upward in FIG. The height of the second side plate 12 (the length in the vertical direction in FIG. 2) is higher than the height of the first side plate 11.

  The upper end in FIG. 2 of the instrument main body 1 is opened in order to radiate | emit the light which each light emitting module 2 emits outside, as shown in FIG. Moreover, in the lighting fixture of this embodiment, as shown in FIG. 2, the both ends of the instrument main body 1 are open | released outside.

  At the upper end of the first side plate 11 in FIG. 2, a first groove 110 into which one end along the longitudinal direction of the translucent panel 5 described later is inserted is provided along the longitudinal direction (FIGS. 8 and 9). reference). Moreover, the 2nd groove | channel 120 into which the other end along the longitudinal direction of the translucent panel 5 is inserted is provided in the upper end in FIG. The translucent panel 5 can be slidably inserted into each of the grooves 110 and 120. Moreover, the translucent panel 5 can be attached to the instrument main body 1 by inserting the translucent panel 5 into each of the grooves 110 and 120.

  On one surface of the instrument main body 1, a window hole is provided for allowing electric wire connection portions 400 and 410 of the terminal block 4 described later to face the exterior of the instrument main body 1. In the lighting fixture of the present embodiment, the first side plate 11 is provided with three rectangular first window holes 111, second window holes 112, and third window holes 113 at regular intervals along the longitudinal direction thereof. (See FIG. 1 (a)). The first window hole 111 and the third window hole 113 are each provided at an end portion in the longitudinal direction of the first side plate 11, and the second window hole 112 is provided in a central portion in the longitudinal direction of the first side plate 11. ing. Each of the window holes 111 to 113 is provided at a position facing the terminal block 4. Therefore, a power line (not shown) or a signal line (not shown) drawn from the outside of the instrument body 1 can be connected to each terminal block 4 through each window hole 111 to 113.

  As shown in FIG. 2, rectangular attachment holes 114 are provided at both ends in the longitudinal direction of the first side plate 11. Each attachment hole 114 is configured such that the tip of a first attachment claw 610 of the end cap 6 described later can be inserted. Further, as shown in FIG. 2, rectangular attachment holes 121 and 122 are provided at both ends of the second side plate 12 in the longitudinal direction. Each of the mounting holes 121 and 122 is configured so that the tip of a second mounting claw 620 of the end cap 6 to be described later can be inserted.

  As shown in FIG. 2, rectangular flanges 13 projecting outward are integrally formed at both ends of the main plate 10 in the longitudinal direction. On one side (the right side in FIG. 2), three circular connection holes 130 are provided at regular intervals. The other flange 13 (left side in FIG. 2) has two circular connection holes 130 and a connection hole 131 in which a large-diameter part and a small-diameter part are continuously formed integrally with each other at a constant interval. Is provided. The connection hole 131 is a so-called “dharma hole”.

  Each flange 13 is used when a plurality of lighting fixtures of the present embodiment are connected and used. That is, as shown in FIGS. 4B and 4C, the flange 13 of the instrument main body 1 is overlapped with the flange 13 of another instrument main body 1, and mounting screws (not shown) are attached to the connection holes 130 and 131, respectively. The lighting fixture of this embodiment can be connected by inserting and fastening together.

  As shown in FIG. 3, the light emitting module 2 is configured by mounting a plurality of LED chips (not shown) on a substrate 22. The light emitting module 2 includes a plurality of first light emitting units 20 that emit white light with a low color temperature (2300K in the present embodiment) and a plurality of white light components that emit white light with a high color temperature (8700K in the present embodiment). A second light emitting unit 21. The light emitting units 20 and 21 are arranged so as to form a circle as a whole. That is, the light emitting module 2 includes a plurality of light emitting units 20 and 21 having different color temperatures.

  The first light emitting unit 20 is configured by sealing a plurality of LED chips that emit blue light with a rod-shaped first sealing material 200 including an orange phosphor. Therefore, a part of the blue light emitted from the LED chip is wavelength-converted by the phosphor, and the light emitted from the first light emitting unit 20 by mixing the wavelength-converted orange light and the wavelength-converted blue light. Becomes white light having a high color temperature as a whole.

  The second light emitting unit 21 is configured by sealing a plurality of LED chips that emit blue light with a rod-shaped second sealing material 210 including a yellow phosphor. Accordingly, a part of the blue light emitted from the LED chip is wavelength-converted by the phosphor, and the light emitted from the first light emitting unit 20 is mixed by mixing the wavelength-converted yellow light and the blue light not wavelength-converted. Becomes white light having a low color temperature as a whole.

  A conductor 25 serving as a power supply path to each LED chip is printed on the substrate 22. Although not shown in the figure, in practice, the conductor 25 is patterned so that the LED chips are connected in series, parallel, or series-parallel.

  In addition, a first receptacle 23 and a second receptacle 24 are mounted on the substrate 22. Each LED chip of the first light emitting unit 20 is connected to the first receptacle 23 via a conductor 25. Each LED chip of the second light emitting unit 21 is connected to the second receptacle via the conductor 25. Note that the conductor 25 connecting the first receptacle 23 and the first light emitting unit 20 and the conductor 25 connecting the second receptacle 24 and the second light emitting unit 21 are electrically insulated from each other. By connecting the receptacles 23 and 24 and a lighting device 3 to be described later via a cable (not shown), it is possible to supply lighting power to the light emitting units 20 and 21.

  As shown in FIG. 2, each light emitting module 2 is attached to the main plate 10 of the instrument main body 1 via a heat radiating plate 8. The heat radiating plate 8 is formed of a material having high thermal conductivity (for example, an aluminum plate). Therefore, the heat generated by each light emitting module 2 is radiated to the outside air through the heat radiating plate 8 and the instrument main body 1.

  The lighting device 3 performs lighting control of the light emitting module 2. In the lighting fixture of this embodiment, as shown in FIG.1 (b), the two lighting devices 3 are provided. Moreover, in the lighting fixture of this embodiment, each lighting device 3 performs lighting control of the light emitting module 2 arrange | positioned at each both sides.

  Each lighting device 3 includes a first lighting circuit (not shown) for lighting the first light emitting unit 20, a second lighting circuit (not shown) for lighting the second light emitting unit 21, and a control circuit (not shown). ). Moreover, the lighting device 3 includes a case 30 that houses each lighting circuit and control circuit. The control circuit adjusts the color temperature of the light emitted from each light emitting module 2 by controlling each lighting circuit and adjusting the light output of each light emitting unit 20, 21 to mix colors. In the lighting fixture of this embodiment, the color temperature of light is adjusted in the range of 2700K to 5000K. The control circuit controls each lighting circuit to change the light output of each of the light emitting units 20 and 21 to adjust the light of each light emitting module 2. The control circuit executes the above control based on an external control signal.

  In addition, the lighting device 3 is not limited to the above configuration, and may be any device that controls the lighting of each light emitting module 2.

  The terminal block 4 is mainly for connecting the lighting device 3 to an external power source (not shown). In the lighting fixture of this embodiment, the terminal block 4 includes one power terminal block 40 and two control terminal blocks 41 (see FIG. 1B). The power supply terminal block 40 is provided at the center in the longitudinal direction of the fixture body 1 and connects a power supply line (not shown) connected to an external power supply and a feed line (not shown) from an adjacent lighting fixture. . The power terminal block 40 and each lighting device 3 are connected by internal wiring (not shown). Therefore, it is possible to supply power to the lighting device 3 from the external power source by connecting each lighting device 3 and the external power source via the power terminal block 40.

  The control terminal blocks 41 are provided at both ends in the longitudinal direction of the fixture body 1, respectively, and light control / color control signal lines (not shown) and signal lines from adjacent lighting fixtures (not shown). Connect). Each control terminal block 41 and each lighting device 3 are connected by an internal wiring (not shown). Therefore, by supplying a control signal to each lighting device 3 via any one of the control terminal blocks 41, the control circuit of each lighting device 3 performs light control or color control of each light emitting module 2.

  That is, each terminal block 40 and 41 has the electric wire connection parts 400 and 410 which are connected to the lighting device 3 in the appliance main body 1 and connect electric wires (power supply line, signal line) from the outside.

  The terminal block 4 is attached to the instrument main body 1 via a mounting bracket 9. In the lighting fixture of this embodiment, as shown to FIG.1 (b), (c), the three attachment metal fittings 9 are provided. Each mounting bracket 9 includes a first mounting plate 90 and a second mounting plate 91. Each mounting bracket 9 is formed, for example, by bending a sheet metal. The first mounting plate 90 is formed in a rectangular plate shape, and the terminal blocks 40 and 41 are mounted on one surface thereof. The second mounting plate 91 is formed in a rectangular plate shape, and protrudes from one end of the first mounting plate 90 (the lower end in FIG. 1C). The second attachment plate 91 is attached to the main plate 10 of the instrument body 1.

  As shown in FIG. 1A, the translucent panel 5 closes the opening at the upper end in FIG. 2 of the instrument body 1 and transmits the light emitted from each light emitting module 2. The translucent panel 5 is formed in a rectangular plate shape using, for example, acrylic resin or polycarbonate resin. In addition, in the lighting fixture of this embodiment, in order to be able to irradiate light to a wall surface and a ceiling surface efficiently, as shown to Fig.1 (a), the translucent panel 5 is installed surface (the main board 10 of the instrument main body 1). It is inclined with respect to the surface to which is attached.

  As shown in FIG. 1A, the end cap 6 closes both ends of the instrument body 1 in the longitudinal direction. Each end cap 6 is formed of a resin material having translucency such as acrylic resin or polycarbonate resin. As shown in FIG. 4A, each end cap 6 includes a main piece 60, a first side piece 61, a second side piece 62, a third side piece 63, and a fourth side piece 64. Is done. The main piece 60 is formed in a quadrangular shape whose upper side in FIG. And each end cap 6 is comprised in the box which opened one surface as a whole by forming each side piece 61-64 integrally in the four sides of the main piece 60. As shown in FIG.

  As shown in FIG. 4A, the first side piece 61 is formed by cutting out a rectangular first attachment claw 610. Similarly, the second side piece 62 is formed by cutting out two rectangular second mounting claws 620. The tips of the mounting claws 610 and 620 are formed in a bowl shape. Therefore, the end cap 6 can be attached to the instrument body 1 by inserting the tips of the attachment claws 610 and 620 into the attachment holes 114, 121, and 122 of the instrument body 1 and hooking them on the periphery.

  The 3rd side piece 63 is formed so that it may protrude toward the instrument main body 1 rather than the other side pieces 61, 62, and 64, as shown to Fig.4 (a). Then, as shown in FIGS. 4B and 4C, the third side piece 63 overlaps the translucent panel 5 with the end cap 6 attached to the instrument body 1. That is, each end cap 6 has a portion that overlaps the translucent panel 5. Thus, a part of each end cap 6 overlaps with the translucent panel 5, so that a gap is hardly generated between the translucent panel 5 and each end cap 6. Therefore, it is possible to prevent foreign matters such as insects and dust from entering the inside of the instrument main body 1 through the gap between the translucent panel 5 and each end cap 6.

  Moreover, in the lighting fixture of this embodiment, as above-mentioned, the end cap 6 is formed with the material which has translucency. For this reason, even when the light emitting module 2 is arranged in the vicinity of both ends in the longitudinal direction of the instrument main body 1, the light emitted from the light emitting module 2 can be irradiated to the outside through the end cap 6. That is, it is possible to avoid the end cap 6 from obstructing the light emitted from the light emitting module 2.

  The cover 7 is attached to the instrument body 1 and covers the periphery of the terminal block 4 in the instrument body 1. In the lighting fixture of the present embodiment, the cover 7 includes one first cover 70 that covers the periphery of the power terminal block 40 and two second covers 71 that respectively cover the periphery of each control terminal block 41 ( (Refer FIG.1 (b)). Each of the covers 70 and 71 is made of an elastic material such as ethylene-propylene-diene rubber (EPDM).

  As shown in FIGS. 5A to 5D, the first cover 70 includes a main part 700, a first opening 701, a first attachment part 702, a second opening 703, and a second attachment part. 704. The main part 700 is formed in a flat cylindrical shape so as to cover the periphery of the power supply terminal block 40. The first opening 701 is a rectangular opening provided at one end of the main portion 700 (the lower end in FIG. 5B). The first opening 701 is provided so as to communicate with the second window hole 112 of the instrument body 1. The first attachment portion 702 is formed in a bowl shape protruding outward from the outer peripheral edge of the first opening 701 in the circumferential direction, and is attached to the peripheral edge of the second window hole 112.

  The second opening 703 is a rectangular opening provided at one end of the main portion 700 (the upper end in FIG. 5B). In other words, the second opening 703 is provided at a position different from the first opening 701. The second attachment portion 704 is formed in a groove shape on the inner peripheral edge of the second opening 703 in the circumferential direction. The second mounting portion 704 is configured so that the periphery of the first mounting plate 90 of the mounting bracket 9 can be fitted.

  The main portion 700 is provided with a pair of long slits 705 as shown in FIG. One end in the longitudinal direction of each slit 705 (the left end in FIG. 5D) is open to the outside of the first cover 70. In addition, circular through holes 706 are provided at the other end in the longitudinal direction of each slit 705 (the right end in FIG. 5D). Each slit 705 and each through hole 706 are configured to allow internal wiring (not shown) connecting the power supply terminal block 40 and the lighting device 3 to pass therethrough.

  As shown in FIGS. 6A to 6D, the second cover 71 includes a main portion 710, a first opening 711, a first attachment portion 712, a second opening 713, and a second attachment portion. 714. The main portion 710 is formed in a flat cylindrical shape so as to cover the periphery of the control terminal block 41. The first opening 711 is a rectangular opening provided at one end of the main portion 710 (the lower end in FIG. 6B). The first opening 711 is provided so as to communicate with the first window hole 111 or the third window hole 113 of the instrument body 1. The first attachment portion 712 is formed in a bowl shape that protrudes outward from the outer peripheral edge of the first opening 711 in the circumferential direction, and is attached to the peripheral edge of the first window hole 111 or the third window hole 113.

  The second opening 713 is a rectangular opening provided at one end of the main portion 710 (the upper end in FIG. 6B). In other words, the second opening 713 is provided at a position different from the first opening 711. The second attachment portion 714 is formed in a groove shape in the circumferential direction on the inner peripheral edge of the second opening 713. The second mounting portion 714 is configured so that the periphery of the first mounting plate 90 of the mounting bracket 9 can be fitted.

  The main portion 710 is provided with a long pair of slits 715 as shown in FIG. One end in the longitudinal direction of each slit 715 (the upper end in FIG. 6D) is open to the outside of the second cover 71. In addition, circular through holes 716 are provided at the other ends in the longitudinal direction of the slits 715 (lower ends in FIG. 6D). Each slit 715 and each wiring hole 716 are configured to allow internal wiring (not shown) connecting the control terminal block 41 and the lighting device 3 to pass therethrough.

  Hereinafter, a method of attaching the first cover 70 to the instrument body 1 will be described. The second cover 71 has the same mounting method and will not be described. First, the first cover 70 is put on the power terminal block 40 and the mounting bracket 9 in the direction of the arrow shown in FIG. 1C, and the periphery of the first mounting plate 90 is fitted to the second mounting portion 704 (see FIG. 8). ). As a result, the second opening 703 is closed by the first mounting plate 90. Thereafter, the first cover 70 is attached to the instrument main body 1 by passing the first attachment portion 702 from the inside of the instrument main body 1 through the second window hole 112 of the instrument main body 1 and closely contacting the periphery of the second window hole 112. (See FIG. 7).

  As described above, in the lighting fixture of the present embodiment, by attaching the covers 70 and 71 to the fixture body 1, the inside of the fixture body 1 excluding the terminal blocks 40 and 41 and the outside of the fixture body 1 are connected. Can be isolated. Thereby, in the lighting fixture of this embodiment, it can prevent that the foreign material from the outside penetrate | invades in the instrument main body 1 inside. Moreover, in the lighting fixture of this embodiment, the electric wire connection parts 400 and 410 of each terminal block 40 and 41 are fixture main bodies via the 1st opening part 701 and 711 of each cover 70 and 71, and each window hole 111-113. It faces the outside of 1. For this reason, the wiring work to each terminal block 40, 41 can be easily performed without removing each cover 70, 71.

  Here, with respect to the entry of foreign matter into the interior of the instrument body 1, it is particularly problematic that foreign matter accumulates on each light emitting module 2, so that each light emitting module 2 is covered without providing each cover 70, 71 ( A configuration of covering with (not shown) is also conceivable. However, in this configuration, since the heat dissipation performance of each light emitting module 2 is lowered by attaching the cover, there is a problem that it is difficult to design in consideration of heat dissipation. Therefore, it is preferable to employ a configuration in which the covers 70 and 71 are attached to the fixture body 1 as in the lighting fixture of the present embodiment.

  Moreover, in the lighting fixture of this embodiment, each cover 70 and 71 is comprised so that it may incline with respect to one surface (namely, 1st side plate 11) in which each window hole 111-113 of the fixture main body 1 is provided. For this reason, in the lighting fixture of this embodiment, the electric wire drawn from the diagonal direction with respect to the 1st side plate 11 can be easily connected to the electric wire connection part 400,410. Note that whether or not to adopt the configuration is arbitrary.

  Moreover, in the lighting fixture of this embodiment, each cover 70 and 71 is on the periphery of 2nd opening part 703,713 provided in the position different from 1st opening part 701,711, and 2nd opening part 703,713. Second mounting portions 704 and 714 that are provided and attached to the mounting bracket 9 are provided. The second openings 703 and 713 are configured to be closed by the mounting bracket 9. Therefore, in the lighting fixture of the present embodiment, the covers 70 and 71 can be attached to the fixture body 1 even when the terminal blocks 40 and 41 are attached to the mounting bracket 9 in advance. Note that whether or not to adopt the configuration is arbitrary.

  Furthermore, in the lighting fixture of this embodiment, each cover 70 and 71 is provided with slits 705 and 715 for passing electric wires connecting the respective terminal blocks 40 and 41 and the lighting device 3, and each slit 705 and 715 includes One end thereof is configured to be opened to the outside of the covers 70 and 71. For this reason, in the lighting fixture of this embodiment, each cover 70 and 71 can be attached to the fixture main body 1 also in the state which connected the internal wiring to each terminal block 40 and 41 previously. Note that whether or not to adopt the configuration is arbitrary.

DESCRIPTION OF SYMBOLS 1 Appliance main body 111-113 Window hole 2 Light emitting module 3 Lighting device 4 Terminal block 40 Power supply terminal block 400 Electric wire connection part 5 Translucent panel 7 Cover 70 1st cover 701 1st opening part 702 1st attachment part

Claims (4)

A fixture body having a light emitting module and a lighting device for controlling the lighting of the light emitting module and having an opening for irradiating the light emitted from the light emitting module to the outside, and an external device connected to the lighting device in the fixture body A terminal block having an electric wire connection part for connecting an electric wire from the light source, a translucent panel that closes the opening and transmits light emitted from the light emitting module, and the terminal block that is attached to the instrument body and within the instrument body And a cover covering the periphery of the
On one surface of the instrument body, a window hole is provided for allowing the wire connection portion of the terminal block to face the exterior of the instrument body.
The cover includes a first opening that communicates with the window hole, and a first attachment part that is provided at a periphery of the first opening and is attached to the periphery of the window hole , except for the terminal block. The lighting fixture characterized by isolating the inside of the fixture body from the outside of the fixture body .   The lighting device according to claim 1, wherein the cover is configured to be inclined with respect to a surface of the device main body on which the window hole is provided. The instrument body includes a mounting bracket to which the terminal block is attached,
The cover includes a second opening provided at a position different from the first opening, and a second attachment provided at a peripheral edge of the second opening and attached to the attachment fitting.
The lighting apparatus according to claim 1, wherein the second opening is configured to be closed by the mounting bracket. The cover includes a slit for passing an internal wiring connecting the terminal block and the lighting device,
The lighting fixture according to claim 3, wherein the slit is configured to open one end thereof to the outside of the cover.

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