JP7448181B2 - lighting equipment - Google Patents

Description

The present invention relates to a lighting device including a wireless communication unit.

2. Description of the Related Art A lighting device that performs remote control through wireless communication has been proposed (for example, Patent Document 1).
The lighting device described in Patent Document 1 includes a light source unit and a wireless communication unit on the back surface of the base, respectively, in order to reduce the influence of noise generated from the light source unit. For this reason, the lighting device tends to become thicker in the front and back directions.

JP 2017-33709 Publication

Although the above-described lighting device can reduce the influence of noise, there is a problem in that the dimensions in the front and back directions become larger (thicker).
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a lighting device that can reduce the influence of noise and can be made thinner.

In order to solve the above problems, a lighting device according to one aspect of the present invention includes: a base mounted on an installation surface; a light source unit mounted on a surface of the base opposite to the installation surface; a power supply unit mounted on a surface opposite to the installation surface; and a wireless communication unit mounted on a surface of the base opposite to the installation surface, wherein the power supply unit and the wireless communication unit are connected to the light source. It is spaced apart from the unit in an orthogonal direction that is orthogonal to the front and back directions of the base.

According to the present invention, the influence of noise can be reduced and the thickness can be reduced.

It is a perspective view showing the lighting device concerning this embodiment, (a) is a figure seen from the front side, and (b) is a figure seen from the back side. It is a perspective view with an instrument cover removed, (a) is a figure seen from the front side, and (b) is a figure seen from the back side. FIG. 3 is a perspective view of the base seen from the front side. It is a perspective view of the disassembled state of a light source unit seen from the back side. FIG. 2 is a cross-sectional view of the light source unit, in which (a) is a cross-sectional view of an end portion viewed from the center side, and (b) is a cross-sectional view of the central portion. FIG. 3 is a perspective view of the power supply unit in an exploded state viewed from the front side. FIG. 3 is a perspective view of the wireless communication unit in an exploded state, in which (a) is a view seen from the front side, and (b) is a view seen from the back side. FIG. 3 is a perspective view of the instrument cover with a portion cut away, seen from the back side. FIG. 3 is a diagram illustrating the positional relationship of a light source unit, a power supply unit, and a wireless communication unit.

<Summary>
The lighting device according to one embodiment includes a base mounted on an installation surface, a light source unit mounted on a surface of the base opposite to the installation surface, and a light source unit mounted on a surface of the base opposite to the installation surface. and a wireless communication unit mounted on a surface of the base opposite to the installation surface, the power supply unit and the wireless communication unit being perpendicular to the front and back directions of the base with respect to the light source unit. spaced apart in orthogonal directions.
In the lighting device according to another aspect, the light source unit has an elongated shape, and there are a plurality of the light source units, which are mounted on the base at intervals in the transverse direction of the light source unit, and the power supply unit and The wireless communication unit is arranged between the light source units adjacent in the lateral direction. Thereby, the dimension of the lighting device in the lateral direction can be reduced.
In another aspect of the lighting device, the base is made of a metal plate and has an opening at a portion where the wireless communication unit is attached. Thereby, even if the base is made of a metal plate, interference of radio waves due to the veil can be reduced.
In a lighting device according to another aspect, the power supply unit and the wireless communication unit are covered with a reflective plate attached to the base. Thereby, the power supply unit and the wireless communication unit are no longer visible, and the design can be improved.
In a lighting device according to another aspect, the reflecting plate is made of a metal plate and has an opening at a portion where the wireless communication unit is attached. Thereby, even if the reflector is made of a metal plate, attenuation of radio signals due to the reflector can be suppressed.
In a lighting device according to another aspect, the reflecting plate includes a resin plate that covers the opening of the reflecting plate. As a result, the wireless communication unit is not visually recognized, and the design can be improved.

<Embodiment>
1. Overall Configuration of Lighting Device As shown in FIG. 1, the lighting device X is mounted on a mounting surface (not shown) such as a ceiling, for example.
As shown in FIG. 2, the lighting device X includes a fixture body 1 that is mounted on a mounting surface. The lighting device X here includes, in addition to the fixture body 1, a fixture cover 7 attached to the fixture body 1.
In the illumination device X, the side from which light is emitted is referred to as the front side, and may simply be referred to as the "front side." In the illumination device X, the side on which the surface to be attached is located is referred to as the back side, and may simply be referred to as the "back side."
The appliance body 1 here includes a base 2 attached to the surface to be installed, a light source unit 3 attached to the surface of the base 2, a power supply unit 4 attached to the surface of the base 2, and a base 2 attached to the surface of the base 2. and a wireless communication unit 5 to be attached.

The light source unit 3 has an elongated shape, as shown in FIGS. 1 and 2. The longitudinal direction of the light source unit 3 is also referred to as the length direction of the illumination device X or simply the length direction, and the lateral direction of the light source unit 3 is also referred to as the width direction of the illumination device X or simply the width direction.
The power supply unit 4 here is spaced apart from the light source unit 3 in a direction perpendicular to the front and back directions and the length direction of the base 2, for example, in the width direction. Further, the wireless communication unit 5 is provided spaced apart from the light source unit 3 in, for example, the width direction, which is perpendicular to the front and back directions and the length direction of the base 2. The wireless communication unit 5 may be provided spaced apart from the power supply unit 4 in the length direction, for example. In this case, the wireless communication unit 5 is spaced apart from the light source unit 3 in a first direction (in this case, the width direction) orthogonal to the front and back directions of the base 2, and They are spaced apart in a second direction (here, the length direction) that is orthogonal to the direction and also orthogonal to the first direction.
The instrument cover 7 is removably attached to the base 2 with at least the light source unit 3 exposed on the front side.
Each configuration will be explained below.

2. Instrument body (1) base This will be explained mainly using FIG. 3.
The base 2 includes an instrument body mounting part 21 for mounting the instrument body 1 on an installation surface, a light source unit support part 23 for supporting the light source unit 3, a power supply unit support part 25 for supporting the power supply unit 4, and a wireless communication unit. The base body 20 includes a wireless communication unit support section 27 that supports the instrument cover 5 and a cover support section 29 that supports the instrument cover 7.

The base body 20 is made of, for example, a metal plate. The base body 20 has a box shape with a shallow bottom and is composed of a top plate 201 and four side plates 203. The top plate 201 here has a rectangular shape with substantially the same dimensions in the length direction and width direction.

As shown in FIG. 2, the instrument body mounting portion 21 is configured, for example, by using a hanging bolt 211 provided on the installation surface, and having a through hole 213 through which the hanging bolt 211 is inserted. The suspension bolt 211 is screwed into a nut 215 on the front side of the through hole 213. Needless to say, the through hole 213 is configured to a size that the nut 215 cannot be inserted therethrough.

The light source unit support section 23 is composed of a unit support 231 that detachably supports the light source unit 3. The unit support 231 has a "U" shape as a whole, and both ends on the opening side are bent into a "U" shape that expands outward. The bent portion 233 is elastically deformable in the width direction, and engages with the through hole 371d (see FIG. 4 or 5) of the pair of arm portions 371c of the light source unit mounting portion 37 of the light source unit 3. Note that the unit support 231 is fixed to the base body 20 with screws 235.

The power supply unit support portion 25 is in an engaged state with an engagement piece 251 that is engaged with the projecting piece 443g of the power supply unit 4 when the power supply unit 4 is slid in the longitudinal direction along the top plate 201 of the base body 20. It is constituted by a screw hole 253 into which a screw 47 inserted through a through hole 443i of an overhanging piece 443g of the power supply unit 4 is screwed. Note that here, there are three engaging pieces 251, and the three engaging pieces 251 and the screw holes 253 are located at corners of a rectangular shape that is long in the length direction. Thereby, the power supply unit 4 can be firmly fixed.

The wireless communication unit support section 27 is configured by a through hole 271 in the top plate 201 of the base body 20. The base body 20 has a through hole 201a at a portion of the top plate 201 where the wireless communication unit 5 is arranged. In particular, the through hole 201a is provided in a region including a portion facing the communication module 51 (antenna element 511) of the wireless communication unit 5. Thereby, interference with radio waves caused by the base body 20 can be reduced.

The cover support part 29 is configured as a cover support 291 that removably supports the instrument cover 7. The cover support 291 has a "V" shape as a whole with a flat portion on the front side, and one end on the opening side engages with a locking hole in the top plate 201 of the base body 20, and the other end on the opening side engages with a locking hole in the top plate 201 of the base body 20. It is fixed with screws (not shown) in a state where the portion is in contact with the top plate 201.
The instrument cover 7 is attached by the instrument cover mounting portion 75 (spring body 751) passing between the top plate 201 and the cover supporter 291 and engaging with the flat portion 293 of the cover supporter 291. The cover support portions 29 are provided near the four corners of the rectangular top plate 201.

(2) Light source unit This will be mainly explained using FIGS. 4 and 5.
The light source unit 3 includes a light source module 33 and a reflection plate 35 inside a light source housing 31, and a light source unit mounting part 37 outside the light source housing 31.
There are a plurality of light source units 3, as shown in FIG. 2(a). Here, there are three, and they are arranged at intervals (for example, at equal intervals) in the width direction.

(2-1) Housing The light source housing 31 has a cylindrical shape with both ends closed, and includes a light source base 311 on which the light source module 33 and the reflector plate 35 are mounted, and a light source that is attached to the light source base 311 and that is attached to the light source base 311. It is composed of a light source front cover 313 that covers the module 33 and the reflector 35 from the front side, and a light source end cover 315 that closes both lengthwise ends of the light source base 311 and the light source front cover 313 in the assembled state.

As shown in FIG. 5, the light source base 311 includes a rectangular flat portion 311a that is long in the length direction, a front extending portion 311b that extends toward the front side from both ends of the flat portion 311a in the width direction, and a front extending portion. It has a back extension part 311c extending from the extension end of the extension part 311b to the back side narrowingly on the back side.
The flat portion 311a has a support groove 311d on the surface for supporting the light source module 33. Note that since the light source modules 33 are arranged in two rows in the width direction, there are two support grooves 311d.

The light source front cover 313 includes a front cover body portion 313a that covers the flat portion 311a and the front extending portion 311b of the light source base 311, and a front cover body portion 313a that extends from both ends of the front cover body portion 313a in the width direction along each back extending portion 311c of the light source base 311. The fitting extension part 313b is stretched along the front extension part 311b of the light source base 311 from the connecting part between the front cover body part 313a and the fitting extension part 313b to fit into the back extension part 311c. It has an opposing extending section 313c that faces the extending section 311b.

The light source end cover 315 includes an end cover body portion 315a and a fitting extension portion that extends from the end cover body portion 315a and fits into a groove portion formed by the front extension portion 311b and the back extension portion 311c of the light source base 311. 315b extends from the end cover main body 315a and contacts the back surface of the front extended portion 311b of the light source base 311; the extended portion 315c contacts the inner circumferential surface of the light source base 311 and light source front cover 313 in the assembled state. It has an inner contact portion 315d.

(2-2) Light Source Module As shown in FIG. 5B, the light source module 33 includes a longitudinally long light source board 331 and a plurality of LED elements mounted along the longitudinal direction of the light source board 331. It consists of 333. There are a plurality of light source modules 33 here, which are arranged in two rows in the width direction and extend in the longitudinal direction.
The light source module 33 has LED elements 333 of a plurality of types (for example, two types) of emitting colors, and each type is connected to an independent (individual) conductive path. In other words, the light source module 33 independently includes a first light emitting section that emits a first emitted light color and a second light source section that emits a second emitted light color different from the first emitted light color, and thereby allows color adjustment. has been done.

(2-3) Reflection Plate The reflection plate 35 has a rectangular plate shape, and is disposed on the front extending portion 311b of the light source base 311, as shown in FIG. One end of the reflector 35 in the width direction is locked by a "T"-shaped convex portion 311e that constitutes the support groove 311d of the light source base 311, and the other end of the reflector 35 in the width direction is engaged with the support groove 311d of the light source base 311. The light source front cover 313 is supported by the front extending portion 311b and the opposing extending portion 313c of the light source front cover 313 from both sides.

(2-4) Light Source Unit Mounting Part The light source unit mounting part 37 is constituted by a light source mounting tool 371 provided on the light source base 311. The light source mounting tool 371 includes a pair of fitting parts 371a that are inserted from the length direction into a groove formed by the front extension part 311b and the back extension part 311c of the light source base 311 and fit into the groove part, and It includes a connecting part 371b that connects the fitting part 371a in the width direction, and an arm part 371c that extends from the connecting part 371b to the back side. is engaged.

(3) Power Supply Unit The power supply unit 4 supplies desired lighting power to the light source unit 3 via the wireless communication unit 5 based on a lighting signal received from a lighting control device (controller or remote control) not shown. Specifically, lighting power for normal lighting is supplied to the light source unit 3, dimming power for dimming lighting is supplied, and different lighting power is supplied to the first light emitting section and the second light emitting section for toning lighting. It also supplies power for color toning.

This will be explained mainly using FIG.
In the power supply unit 4 , a power supply circuit 43 formed by mounting a plurality of electronic components 41 on a power supply board 42 is housed in a power supply case 44 , and is attached to the power supply unit support portion 25 on the surface of the base 2 . Note that in FIG. 6, a plurality of electronic components are shown in a block shape.
The power supply circuit 43 includes at least a lighting power generation section that generates lighting power from power received from a commercial power source, and a lighting control section that controls the lighting power generation section based on a lighting signal received from the wireless communication unit 5. ing. The power supply circuit 43 here has a storage section that stores programs for the lighting control section, lighting information, and the like.
The lighting power generating section generates power to be supplied to the first light emitting section and the second light emitting section using, for example, PWM control. Adjustment of the duty ratio is performed by the lighting control section. The lighting control unit is composed of a microcomputer equipped with a CPU, RAM, ROM, etc., and the CPU performs lighting control based on programs and data stored in the ROM, and the lighting control unit performs lighting control based on programs and data stored in the ROM. The received lighting information is stored in a non-volatile storage unit.
Note that the power supply circuit 43 and the light source unit 3 are connected by a cable (not shown), and the power supply circuit 43 and the wireless communication unit 5 are connected by a cable (not shown).

The power supply case 44 includes a box-shaped power supply case main body 441 to which the power supply circuit 43 is attached, and a power supply cover body 443 that closes the opening of the power supply case main body 441 and is attached to the base 2. Since the power supply case 44 here is constituted by a metal plate, the power supply circuit 43 is housed in a state covered with an insulating sheet 45.
The power supply case main body 441 has a screw hole 441b in the bottom plate part 441a for fixing the power supply board 42 to the bottom plate part (front side plate part) 441a at a distance.
The power supply lid body 443 includes a top plate portion 443a that closes the opening of the power supply case body 441, and a side plate portion 443b that extends from both widthwise ends of the top plate portion 443a toward the front side and overlaps the side plate portion 441c of the power supply case body 441. It has side plate parts 443d provided at both ends of the top plate part 443a in the length direction. The side plate portion 443d here has a bent portion 443c that faces the bent portion 441e of the side plate portion 441d of the power supply case main body 441.
The power supply case main body 441 and the power supply lid 443 are in a state where the bent portions 441e and 443c are in contact with each other. It is assembled by screwing into the screw hole 443f of the portion 443c.
The power supply case 44 is engaged with the power supply unit support portion 25 of the base 2 by sliding the protruding piece 443g extending outward in the width direction on the side plate portion 443b of the power supply cover body 443 from the length direction with respect to the base 2. While engaged with the piece 251, the screw 47 inserted through the through hole 443i of the overhanging piece 443g is screwed into the screw hole 253 of the power supply unit support portion 25 of the base 2.

(4) Wireless Communication Unit The wireless communication unit 5 receives a lighting signal related to lighting of the light source unit 3 from the lighting control device and outputs it to the power supply unit 4. When a plurality of lighting devices X are controlled by one lighting control device, the wireless communication unit 5 determines whether or not the received signal relates to the lighting device itself.

The communication protocol between the wireless communication unit 5 and the lighting control device may be an existing protocol or a uniquely developed protocol. Examples of existing protocols include Bluetooth (registered trademark), ZigBee (registered trademark), WiFi (registered trademark), ANT (registered trademark), Wi-SUN (registered trademark), Z-wave (registered trademark), and WirelessHART (registered trademark). (registered trademark) and EnOcean (registered trademark).
The explanation will be given below mainly using FIG. 7.
The wireless communication unit 5 includes a wireless communication section that wirelessly communicates with the lighting control device, a wireless control section that outputs the signal to the power supply unit 4 when the signal received by the wireless communication section is related to the device itself, and identification information about the device itself. and a storage device for storing.
The wireless communication unit 5 includes a communication module 51 housed in a communication case 52, and is attached to the wireless communication unit support portion 27 on the surface of the base 2.

The communication module 51 is connected to a plurality of electronic components 53 constituting a wireless communication section and a wireless control section, a slot 54 for mounting a storage device, and a harness 553 of a cable 551 connected to the power supply unit 4. The communication board 56 is provided with a connector 555 for the communication. Note that the plurality of electronic components 53 are shown in a block shape as shown in FIG.
The wireless communication section includes an antenna element 511 that receives signals.
The communication control unit is composed of a microcomputer equipped with a CPU, RAM, ROM, etc., and the CPU verifies received signals and rewrites identification information in storage devices based on programs and data stored in the ROM. and transmits lighting information included in the received signal to the power supply unit 4. Note that the received signal includes a lighting signal, an identification signal, and the like.
The storage device includes a storage element and a connector 571 mounted on a storage substrate, and is housed in a case 573. Note that the case 573 in which a storage device is housed is referred to as a dongle 57. The connector 571 of the dongle 57 is removably connected to the slot 54 of the communication module 51.

The communication case 52 consists of a front case 521 and a back case 523, and includes a front extending portion 521b extending from the top plate portion 521a of the front case 521 to the back side (see (b) in FIG. 5), and a bottom plate portion of the back case 523. The communication board 56 of the communication module 51 is held between the back extension portion 523b (see FIG. 5(a)) extending from the back extension portion 523a to the front side.
The front case 521 has a box-like shape with an open back side, and has a top plate portion 521a with a receiving port 521c for receiving the dongle 57 into the communication case 52, and a guide portion 521d guiding the dongle 57 to the receiving port 521c, and connects the cable 551. The side plate portion 521f has a notch portion 521e and an engagement convex portion 521g that engages with the engagement hole 523d of the side plate portion 523c of the back case 523.
The back case 523 has a box shape with an open front side, and has an engagement hole 523d for engagement with the front case 521 in the side plate portion 523c. The back case 523 has an overhanging portion 523e that overhangs outward in the length direction from the side plate portion 523c, and a screw hole 523g provided in a boss portion 523f that is formed across the overhanging portion 523e and the side plate portion 523c. have. A screw 58 (see (b) in FIG. 2) that is inserted through the through hole 271 of the wireless communication unit support portion 27 of the base body 20 is screwed into the screw hole 523g, and the wireless communication unit 5 is attached to the base 2. .
The back case 523 is made of metal, and includes a bottom plate portion 523a that faces the antenna element 511 of the communication module 51, and has a through hole 523i that is larger than the region. The through hole 523i is provided to face the through hole 201a of the base body 20. This can prevent radio waves from being reflected on the top plate 201 of the base 2, and can reduce interference with reflected radio waves. Furthermore, since the communication board 56 is supported by the back extension portion 523b apart from the back case 523 and the top plate 201 of the base 2, interference with radio waves reflected from the back case 523 and the top plate 201 of the base 2 may occur. can be reduced. The back case 523 may be made of a material that does not easily interfere with radio waves, such as resin.

3. Instrument cover This will be explained mainly using FIG. 8.
As shown in FIG. 1A, the instrument cover 7 is removably attached to the base 2 with at least the light source unit 3 exposed on the front side.
The instrument cover 7 includes a plurality of (in this case, two) instrument cover bodies 73 that cover the space between the frame 71 and the light source unit 3 attached to the base 2, and the instrument cover 7 is attached to the base 2. An instrument cover mounting part 75 is provided.

(1) Frame The frame 71 includes a pair of vertical frame portions 711 extending in the length direction, and a pair of horizontal frame portions 713 extending in the width direction and connecting the ends of the pair of vertical frame portions 711. For example, it has a rectangular ring shape.

The vertical frame portion 711 includes a vertical flat portion 711a located on the front side, a vertically outer inclined portion 711b extending widthwise from the outer end of the vertically flat portion 711a to the back side, and an inner portion of the vertically flat portion 711a in the width direction. It has a vertically inward inclined portion 711c extending inwardly from the end to the back side.
In addition to the vertical flat portion 711a, the vertically outwardly inclined portion 711b, and the vertically inwardly inclined portion 711c, the vertical frame portion 711 includes a vertically outwardly erected portion 711d that stands from the back end of the vertically outwardly inclined portion 711b on the back side, and a vertically inwardly inclined portion 711d. A vertical inner standing portion 711e stands from the back end of the portion 711c to the vicinity of the base body 20, and a vertical inner standing portion 711e bends inward in the width direction (opposite to the vertical outer inclined portion 711b) from the back end of the vertical inner standing portion 711e. It has a vertically inner bent portion 711f that is close to or in contact with the base body 20.
The vertically inclined portion 711c extends to the vicinity of the light source unit 3 mounted on the base 2. Specifically, the vertically inwardly inclined portion 711c extends to a joining portion between the front cover main body portion 313a of the light source front cover 313 and the opposing extension portion 313c. The vertically inclined portion 711c has a reflective function of reflecting light from the light source unit 3 toward the front side. Thereby, the light from the light source unit 3 can be used effectively.
A notched portion 711g for wiring is formed in the vertical inner standing portion 711e and the vertical inner bent portion 711f.

The horizontal frame portion 713 includes a horizontal flat portion 713a located on the front side, a horizontal outward inclined portion 713b extending outward from the outer end in the length direction of the horizontal flat portion 713a toward the back side, and a horizontally outward inclined portion 713b extending outward in the longitudinal direction of the horizontal flat portion 713a. It has a horizontal inner standing portion 713c that stands up from the inner end of the base body 20 to the vicinity of the base body 20.
In addition to the horizontal flat portion 713a, the horizontal outward inclined portion 713b, and the horizontal internal standing portion 713c, the horizontal frame portion 713 includes a horizontal external standing portion 713d standing from the back end of the horizontal outward inclined portion 713b, and a horizontal internal standing portion 713c. It has a laterally inwardly bent portion 713e that is bent inward in the length direction (opposite to the laterally outwardly inclined portion 713b) from the back end of the portion 713c and approaches or abuts the base body 20. Note that the lateral inward bent portion 713e is provided in a region other than the area where the instrument cover body 73 is arranged.

The vertically flat portion 711a of the vertical frame portion 711 and the horizontally flat portion 713a of the horizontal frame portion 713 are connected in substantially the same plane. The inclination angle with the portion 713b is substantially the same. Thereby, the design of the frame 71 can be improved.

(2) Instrument Cover Body In a cross section, the instrument cover body 73 has a shape that is axisymmetric with respect to a center line that passes through approximately the center in the width direction and extends in the front and back directions. In other words, the shape substantially matches the shape obtained by inverting the widthwise inner side of the vertical flat portion 711a of the vertical frame portion 711 by an imaginary line segment passing through the inner side and parallel to the central axis. Thereby, the design of the instrument cover 7 can be improved.
The instrument cover body 73 covers the power supply unit 4 and the wireless communication unit 5 mounted on the base body 20 from the front side. Thereby, the power supply unit 4 and the wireless communication unit 5 are not exposed, and the design of the lighting device X can be improved.
The instrument cover body 73 has a pair of inclined parts 731 which are inclined from the front end to the back side of the center line passing through the center in the width direction, and an upright part 732 which is erected from the back end of the inclined part 731 to the back side. The instrument cover body 73 has a bent part 733 that is bent from the back end of the upright part 732 to the outside in the width direction (the side where the pair of vertical frame parts 711 are present) and comes close to or in contact with the base body 20.
The instrument cover body 73 is made of a metal plate. The inclined portion 731 has a reflective function (reflective film) that reflects the light from the light source unit 3 toward the front side. Thereby, the light from the light source unit 3 can be used effectively. A cutout portion 734 for wiring is formed in the upright portion 732 and the bent portion 733.
Note that the instrument cover body 73 may be made of, for example, a material with low translucency, and a reflective film may be formed on the surface of the inclined portion 731.

The bent portion 733 of the instrument cover body 73 engages with the laterally inner bent portion 713e of the horizontal frame portion 713 of the frame body 71 from the back side. The instrument cover body 73 is fixed to the frame 71 (horizontal frame 713) by screwing bent portions 732a at both longitudinal ends of the upright portion 732 to the inner lateral upright portion 713c of the horizontal frame portion 713. .
Since the connecting portion (center line) of the pair of inclined parts 731 in the instrument cover body 73 is located at the outermost side of the instrument cover body 73, there is no power supply unit 4 or wireless communication between the instrument cover body 73 and the base body 20. It is easy to secure a space for arranging the communication unit 5.
Among the plurality of instrument cover bodies 73, the instrument cover body 73 that covers the wireless communication unit 5 has an opening in a portion facing the wireless communication unit 5. The above-mentioned lighting control device (controller or remote control) is usually placed on the front side of the lighting device Attenuation of radio waves caused by radio waves is suppressed.
The opening here is provided in the inclined portion 731 and is closed by a plate 77 made of resin. As a result, the wireless communication unit 5 is not exposed, and the design of the appliance cover body 73 can be improved while reducing attenuation of wireless radio waves.
Furthermore, by making the plate 77 removable from the inclined portion 731, the dongle 57 can be easily replaced. The plate 77 includes a fitting part that extends from the back side along the opening and fits into the opening, an engaging part that engages around the opening, a mounting part that is attached to the instrument cover body 73 via a hinge, etc. By having this, it can be made detachable.

(3) Instrument cover attachment part The instrument cover attachment part 75 includes a spring body 751 that engages with a "V"-shaped cover support 291 (see FIG. 3) provided on the base body 20; A fixture 753 for fixing to the base body 20 is provided.
There are a plurality of instrument cover mounting parts 75 (four in this case) corresponding to the cover supports 291 of the base body 20, and they are provided at parts of the frame 71 corresponding to the installation positions of the cover supports 291.

The spring body 751 is, for example, a metal spring, and includes a coil portion 751a, an extending portion 751b extending in a tangential direction from the coil portion 751a, and a bent portion 751c formed at the extending tip of the extending portion 751b. , the coil portion 751a is rotatably supported by the fixture 753.
When the extending portion 751b of the spring body 751 is aligned with the space between the cover support 291 and the base body 20 and the instrument cover 7 is moved to the back side, the extending portion 751b of the spring body 751 is activated. The body 751 rotates and the extending portion 751b is locked to the cover supporter 291.

The fixture 753 has an "L"-shaped cross section and includes a long plate part 753a corresponding to a long side and a short plate part 753b corresponding to a short side. The long plate portion 753a is fixed to the horizontal inner standing portion 713c of the horizontal frame portion 713 of the frame body 71 using screws. The short plate portion 753b has a pair of fitting grooves that fit into the coil portion 751a of the spring body 751.

4. The positional relationship between the power supply unit and the wireless communication unit will be explained using FIG. 9.
The power supply unit 4 and the wireless communication unit 5 are arranged between the light source units 3 arranged at intervals in the width direction. That is, it is arranged between the light source units 3 adjacent in the width direction.
From the viewpoint of weight balance, it is desirable that the power supply unit 4 be disposed inside the quadrangle formed by the four hanging bolts 211. In this embodiment, the power supply unit 4 is provided at the center position in the width direction where the plurality of light source units 3 are arranged, or at a position close to the center. Here, there are three light source units 3, and they are arranged close to the light source unit 3 located at the center in the width direction. In this way, the power supply unit 4 is located at the center in the width direction, and a lighting device X with good weight balance is obtained.
The center line Y4, which passes through the center of the power supply unit 4 in the width direction and extends in the length direction, is located between the adjacent light source units 3, and is closer to the center in the width direction than the center line Y, which extends in the length direction. It is located on the side of the light source unit 3 located at.

The power supply unit 4 is arranged on one side in the length direction rather than the center in the length direction. That is, the center line Z4, which passes through the center in the length direction of the power supply unit 4 and extends in the width direction, is located on one side of the center line Z, which passes through the center in the length direction of the lighting device X and extends in the width direction. Here, the other end 4a of the power supply unit 4 in the length direction is arranged so as to overlap the center line Z of the lighting device X in the length direction. In this way, the power supply unit 4 is located at the center in the length direction, and a lighting device X with good weight balance is obtained.
Further, the power supply unit 4 is arranged on the surface of the base body 20 so as not to overlap the light source unit 3 when viewed from the front side. Thereby, the dimensions of the lighting device X in the front and back directions can be reduced.

The wireless communication unit 5 is arranged between adjacent light source units 3 in which the power supply unit 4 is arranged. Thereby, wiring between the power supply unit 4 and the wireless communication unit 5 can be easily performed. It is desirable that the wireless communication unit 5 be disposed on or near an extension of a center line Y4 that passes through the center of the power supply unit 4 in the width direction and extends in the length direction. With this arrangement, the cable connecting the power supply unit 4 and the wireless communication unit 5 can be wired linearly over the shortest distance or close to the shortest distance, and it is possible to suppress noise from entering the cable.
The wireless communication unit 5 is provided at the center position in the width direction where the plurality of light source units 3 are arranged or at a position close to the center. Here, it is placed close to the light source unit 3 located at the center in the width direction. In this way, the wireless communication unit 5 is located at the center in the width direction, and a lighting device X with good weight balance is obtained.
The wireless communication unit 5 is located closer to the light source unit 3 located at the center in the width direction than the center line Y that passes through the center between adjacent light source units 3 and extends in the length direction.

The distance between the light source unit 3 of the wireless communication unit 5 and the light source board 331 is at least 3 [mm] or more, preferably 6 [mm] or more, and more preferably 10 [mm] or more. This makes it difficult to be affected by noise generated by the current flowing through the conductive path of the light source board 331. Furthermore, the wireless communication unit 5 is arranged on the surface of the base body 20 so as not to overlap the light source unit 3 when viewed from the front side. Thereby, the dimensions of the lighting device X in the front and back directions can be reduced.

The wireless communication unit 5 is disposed on the other side in the length direction of a center line Z that passes through the center in the length direction and extends in the width direction. Thereby, the wireless communication unit 5 is separated from the power supply unit 4 in the length direction, making it less susceptible to the effects of noise generated from the power supply unit 4. The wireless communication unit 5 is lighter than the power supply unit 4. For this reason, the weight balance is better when the wireless communication unit 5 is arranged at the end than when the power supply unit 4 is arranged at the end of the lighting device X in the length direction.
The distance between the power supply unit 4 of the wireless communication unit 5 and the power supply board 42 is at least 3 [mm] or more, preferably 6 [mm] or more, and more preferably 10 [mm] or more. This makes it difficult to be affected by noise generated by the current flowing through the power supply board 42. Further, the wireless communication unit 5 is arranged on the surface of the base body 20 so as not to overlap the light source unit 3 and the power supply unit 4 when viewed from the front side. Thereby, the dimensions of the lighting device X in the front and back directions can be reduced.

Although the embodiment has been described above, the embodiment is not limited to this embodiment, and, for example, the following modifications may be made. Further, the embodiment and a modification example, or a combination of the modification examples may be used.
Moreover, even if there are examples not described in the embodiments or modified examples, or there are design changes within a range that does not depart from the gist, they are included in the present invention.

<Modified example>
1. Lighting Device Although the lighting device X has three light source units 3 arranged side by side in the width direction, it may include one light source unit 3. In this case, the power supply unit 4 and the wireless communication unit 5 may be arranged at positions that do not overlap the light source unit 3 when viewed from the front side.
The lighting device X includes a power supply unit 4 and a wireless communication unit 5 spaced apart from the light source unit 3 in the width direction. However, it may be provided spaced apart from the light source unit in the length direction. For example, when a plurality of light source units 3 are arranged at intervals in the length direction, at least one of the power supply unit 4 and the wireless communication unit 5 may be provided between the light source units adjacent in the length direction.
The lighting device X was equipped with a power supply unit 4 and a wireless communication unit 5 spaced apart from each other in the same direction relative to the light source unit 3, but for example, the power supply unit 4 was spaced apart from the light source unit 3 in the width direction. The wireless communication units may be provided spaced apart in the length direction.
The power supply unit 4 and the wireless communication unit 5 are spaced apart from the light source unit 3 in the width direction, and in the explanation of this modification, they are spaced apart in the length direction, but the power supply unit and the wireless communication unit 5 are spaced apart from each other in the front and back directions of the base. It may be provided in a direction perpendicular to the width direction; for example, it may be provided in a direction oblique to the width direction.
Although the power supply unit 4 and the wireless communication unit 5 are provided on the same side in the width direction with respect to the light source unit 3, they may be provided at intervals on both sides of the light source unit 3 in the width direction, for example.

The lighting device X includes a power supply unit 4 and a wireless communication unit 5 separated from each other in a direction (e.g., length direction) perpendicular to a direction (e.g., width direction) in which they are separated from the light source unit 3. It may be provided spaced apart in the direction away from the unit (width direction). In this case, a power supply unit 4 and a wireless communication unit 5 may be provided in parallel between adjacent light source units 3 as described in the embodiment.
However, if the distance between adjacent light source units is small, and considering the noise of the power supply unit, it is better to arrange the wireless communication unit in a direction perpendicular to or intersecting with the direction in which the power supply unit is arranged with respect to the light source unit. In some cases, it may be difficult to accept.

Although the lighting device X was equipped with the fixture cover 7, it does not need to be equipped. However, considering the possibility that people or foreign objects may come into contact with the power supply unit 4, the wireless communication unit 5, the wiring, etc., and the design, it is preferable to provide the power supply unit 4, the wireless communication unit 5, the wiring, etc. Note that the structure of the instrument cover is not limited to the structure described in the embodiment.

2. Base The base 2 only needs to be able to mount the light source unit 3, power supply unit 4, and wireless communication unit 5, and is not particularly limited in shape, structure, method of mounting the units, etc. For example, although the base 2 is made of a metal plate, it may be made of other materials such as a resin material.
The base 2 only needs to be mounted on an installation surface, and the mounting method is not particularly limited.

3. Light Source Unit The light source unit only needs to have a plurality of L LED elements and a conductive path (light source board) that supplies power to the LED elements, for example, a module including a light source board 331 and an LED element 333. Alternatively, instead of the light source board 331, the LED element may be mounted so as to straddle a wiring body in which conductive pieces such as metal plates are spaced apart.
In the light source unit, a light emitting element such as an LED element and a conductive path for supplying power to the light emitting element may be attached to the base via an insulating member, or may be attached to the base via a member such as a light source base. The light source front cover, light source end cover, etc. may not be provided. Note that a member corresponding to the light source table cover may be provided on the instrument cover 7.

4. Power Supply Unit The power supply unit is not particularly limited in shape, structure, mounting method to the base, etc., as long as it can supply power to light up the light emitting elements such as the LED elements of the light source unit 3.
For example, the power supply circuit 43 may be mounted on the base and a cover covering the mounted power supply circuit may be mounted on the base, or the cover covering the power supply circuit may be configured as an instrument cover.

5. Wireless Communication Unit The wireless communication unit only needs to have a function of receiving at least a wireless signal from the lighting control device. For example, the wireless communication unit may be provided in the communication case and the wireless control portion may be provided on the power supply unit side. good.
The wireless communication unit only needs to include a wireless communication section such as an antenna element, and its shape, structure, mounting method on the base, etc. are not particularly limited. For example, the communication module 51 may be mounted on a base and a cover covering the mounted communication module may be mounted on the base, or the cover covering the communication module may be configured with an instrument cover.
A wireless communication unit may not include a storage device (dongle) if there is no need to identify its own identification information. An example of this is a case where a lighting device is remotely controlled by a dedicated controller.

<Others>
Although the lighting device X was equipped with the power supply unit 4 and the wireless communication unit 5, the present invention can also be applied to a lighting device in which the power supply unit 4 is provided outside the fixture body, for example. That is, the wireless communication unit 5 may be arranged so as to be spaced apart from the light source unit 3 in a direction perpendicular to the front and back directions of the base. Thereby, the influence of noise caused by the current flowing through the light source unit 3 can be reduced, and the thickness can be reduced.

X Lighting device 1 Fixture main body 2 Base 3 Light source unit 4 Power supply unit 5 Wireless communication unit 7 Fixture cover 20 Base main body

Claims (6)

a base attached to the installation surface;
a light source unit mounted on a surface of the base opposite to the installation surface;
a power supply unit mounted on a surface of the base opposite to the installation surface;
a wireless communication unit mounted on a surface of the base opposite to the installation surface;
The power supply unit and the wireless communication unit are spaced apart from the light source unit in an orthogonal direction perpendicular to the front and back directions of the base,
The light source unit has an elongated shape,
The light source units include a plurality of light source units, and are mounted on the base at intervals in the lateral direction of the light source units,
The power supply unit and the wireless communication unit are arranged between the light source units adjacent in the lateral direction,
The wireless communication unit includes an antenna element that receives a lighting signal regarding lighting of the light source unit,
The base is made of a metal plate and has a first through hole in a portion facing the antenna element,
The wireless communication unit has a communication case,
The communication case has a second through hole in a region facing the antenna element.
lighting equipment. The communication case consists of a front case and a back case, and includes a front extending portion extending from the top plate of the front case toward the installation surface, and a back extending from the bottom plate of the back case toward the side opposite to the installation surface. The lighting device according to claim 1 , wherein a communication board on which the antenna element is mounted is sandwiched between the extending portion and the extending portion. The lighting device according to claim 1 or 2 , wherein the power supply unit and the wireless communication unit are covered by a reflective plate attached to the base. The lighting device according to claim 3 , wherein the reflection plate is made of a metal plate and has an opening at a portion where the wireless communication unit is attached. The lighting device according to claim 4 , wherein the reflector includes a resin plate that covers the opening of the reflector. The plate extends from the back surface, which is the installation surface side, of the reflecting plate through a fitting part that extends along the opening and fits into the opening, or an engaging part or hinge that engages with the peripheral part of the opening. The lighting device according to claim 5 , further comprising a mounting portion that is mounted on the reflecting plate.

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