WO2018212103A1

WO2018212103A1 - Lighting device

Info

Publication number: WO2018212103A1
Application number: PCT/JP2018/018375
Authority: WO
Inventors: 潤笹嶋
Original assignee: アイリスオーヤマ株式会社
Priority date: 2017-05-17
Filing date: 2018-05-11
Publication date: 2018-11-22
Also published as: JP6450418B2; JP2018195459A; CN110612418A

Abstract

Provided is a lighting device in which a light source unit and a circuit unit are supported by a simple structure. This lighting device is provided with: a light source unit (2) that comprises a light source module on the front surface of a heat dissipation plate (23), the back surface of which is provided with a heat dissipation fin (21); a circuit unit (4) that comprises a turn-on circuit on the back surface of a supporting board (43), said turn-on circuit supplying a turn-on power to the light source module; and a frame body (6) which comprises two connection plates (61) that connect the heat dissipation plate (23) and the supporting board (43) to each other in such a manner that the heat dissipation plate (23) and the supporting board (43) face each other.

Description

Lighting device

The present invention relates to an illumination device including a light source unit and a circuit unit.

An illuminating device (lighting fixture) in which a light source unit and a circuit unit are supported by a support frame has been proposed (for example, Patent Document 1).
According to Patent Document 1, “in a column frame having a columnar arrangement space having an upper opening and a lower opening, two column main columns arranged from the upper opening to the lower opening, There are two main struts, two main struts, two guards connecting the two main struts, and two guards, and the guard and the main struts are combined with screws. The lighting device is manufactured by arranging the light source unit in the arrangement space.

JP 2017-41326 A

The lighting fixture has a problem that the structure of the support frame is complicated.
An object of this invention is to provide the illuminating device with which a light source unit and a circuit unit are supported by a simple structure.

An illumination device according to an aspect of the present invention includes a light source unit including a light source module on a surface of a heat dissipation plate provided with a heat dissipation fin on a back surface, and lighting for supplying lighting power to the light source module. A circuit unit including a circuit on the back surface of the support plate, and a frame including two connection plates that connect the heat dissipation plate and the support plate in an opposing state.

According to the above configuration, since the light source unit and the circuit unit are connected by the two connecting plates, the light source unit and the circuit unit are supported with a simple structure.

It is the perspective view which looked at the illuminating device of embodiment from the irradiation direction. It is the perspective view which looked at the illuminating device of the decomposition | disassembly state from the irradiation direction. It is a figure which shows one apparatus main body, (a) is the perspective view seen from the irradiation direction, (b) is the perspective view seen from the installation surface side. It is a figure which shows a light source unit, (a) is the perspective view seen from the irradiation direction, (b) is the perspective view seen from the installation surface side. It is the perspective view which looked at the state which removed the light source cover from the light source unit from the irradiation direction. It is the perspective view which looked at the light source unit of the decomposition | disassembly state from the irradiation direction. It is the perspective view which looked at the light source unit of the decomposition | disassembly state from the installation surface side. It is the figure which looked at the state which removed the circuit cover from the circuit unit from the installation surface side. It is the perspective view which looked at the circuit unit of a decomposition | disassembly state from the irradiation direction. It is the perspective view which looked at the circuit unit of a decomposition | disassembly state from the installation surface side. (A) is the perspective view which looked at the connection board from the front side, (b) is the perspective view which looked at the connection board from the back side.

<Overview>
An illumination device according to an aspect of an embodiment includes a light source unit including a light source module on a surface of a heat radiating plate having a heat radiating fin provided on the back surface, and a lighting circuit that supplies lighting power to the light source module on the back surface of the support plate. A circuit unit and a frame including two connecting plates that connect the heat radiating plate and the support plate in an opposing state.
In the lighting device according to another aspect of the embodiment, the heat radiating plate and the support plate have a rectangular shape, a rectangular shape, or a shape close thereto, and the two connecting plates are the first of the heat radiating plate and the support plate. Both ends in the direction are connected in a state where a gap exists between the light source unit and the circuit unit. Thereby, the heat generated from the light source module can be efficiently released by the radiation fins.
In the lighting device according to another aspect of the embodiment, the connection plate includes a pair of connection main portions that connect the heat dissipation plate and the support plate, and a connection auxiliary portion that connects the pair of connection main portions. Thereby, the strength of the connecting plate is ensured.
In the lighting device according to another aspect of the embodiment, the heat radiating plate includes a flat plate portion having a rectangular shape, a rectangular shape, or a shape close thereto, and a standing portion standing on the circuit unit side from a peripheral edge of the flat plate portion. And an end portion of the connecting head that is located on the light source unit side is fixed to a standing portion of the heat sink by a fixture, and a flat portion of the heat sink or the stand of the heat sink And an engaging portion that engages from the front side. Thereby, the reliability of connection with a connection board and a heat sink can be improved.

In the illuminating device according to another aspect of the embodiment, the connection head portion includes a first abutting portion that abuts a standing portion located at an end portion in the first direction of the flat plate portion of the heat radiating plate, and the heat radiating plate. A second abutting portion that abuts against a standing portion located at an end portion in a second direction orthogonal to the first direction in the flat plate portion, and at least one of the first abutting portion and the second abutting portion The fixed portion is provided on one side, and the engaging portion is provided on at least one of the first contact portion and the second contact portion. Thereby, a heat sink is connected with a backlash with respect to a connection plate.
In the lighting device according to another aspect of the embodiment, the support plate includes a flat plate portion having a square shape, a rectangular shape, or a shape close thereto, and a standing portion standing on the light source unit side from the periphery of the flat plate portion. And at least one of the connection main part and the connection auxiliary part of the connection plate faces the standing part of the support plate. Thereby, a support plate is connected without backlash in the direction where the standing part of a support plate and at least one of the said connection main part and a connection auxiliary | assistant part oppose.
In the lighting device according to another aspect of the embodiment, the standing portion of the support plate includes a fixing portion fixed to at least one of the connection main portion and the connection auxiliary portion of the connection plate by a fixing tool, and the connection main portion. And an engaging portion that engages with at least one of the auxiliary connecting portions. Thereby, the reliability of connection with a support plate and a heat sink can be improved.
In the illumination device according to another aspect of the embodiment, the light source unit includes a light source cover that covers the light source module, and the light source cover is engaged with the heat radiating plate and a fixing portion that is fixed to the heat radiating plate by a fixture. Engaging portion. Thereby, the reliability of mounting | wearing with a light source cover and a heat sink can be improved.

<Embodiment>
1. Outline Description will be made mainly with reference to FIGS.
The lighting device 1 according to the embodiment includes a device body 8 in which a light source unit 2 and a circuit unit 4 are supported by a frame body 6. For example, the lighting device 1 is attached to a high ceiling or the like to irradiate downward, or attached to the ground or the like to irradiate obliquely upward. For this reason, the illuminating device 1 includes an arm 9 for attaching the device main body 8 to an attachment surface, an installation surface, or the like.
The illuminating device 1 here is provided with two apparatus main bodies 8 side by side. The two apparatus main bodies 8 have the same configuration. The direction in which light is emitted from the apparatus main body 8 is the front side. When the apparatus main body 8 is viewed from the front side, the apparatus main body 8 has a rectangular shape, and its longitudinal direction is simply referred to as the longitudinal direction, and its short direction is also simply referred to as the short direction.
Hereinafter, each part will be described.

2. The light source unit will be described mainly with reference to FIGS.
The light source unit 2 includes a light source module 25 on the surface of a heat radiating plate 23 having radiating fins 21 on the back surface. The light source unit 2 here includes a light source cover 27 that covers the light source module 25. The light source unit 2 here includes an optical member 29. The optical member 29 includes a reflection unit that reflects the light emitted from the light source module 25. Further, the heat radiation fin 21 and the heat radiation plate 23 constitute a heat sink.

(1) Radiation fins The radiation fins 21 release heat generated by the light source module 25. Specifically, the heat transmitted from the light source module 25 to the heat radiation fin 21 via the heat radiation plate 23 is released to the air convection around the heat radiation fin 21.
The heat sink 23 has a shape close to a rectangular shape. As shown in FIG. 3A, the heat radiating plate 23 is connected to the frame body 6 so that a space is generated between the heat radiating fins 21 and the circuit unit 4. The reason why the space is provided between the circuit unit 4 and the support plate 43 is to efficiently release the heat from the radiating fins 21 to the circulating air.
A plurality of the radiating fins 21 are provided along the longitudinal direction of the radiating plate 23 with an interval in the short direction of the radiating plate 23. The radiating fin 21 is formed by, for example, combining a first fin 211 and a second fin 212 that are formed by pressing a thin metal plate and having a “L” shape in cross section (see FIGS. 4 and 5). The surface has a “U” shape. In addition, the 1st fin 211 and the 2nd fin 212 are made into "1st" and "2nd" for convenience, and there is no ground in particular which sets one as "1st".
The first fins 211 and the second fins 212 are fixed to the heat radiating plate 23 in a state where the plate-like portions corresponding to the short sides constituting the “L” shape are overlapped. Here, the first fins 211 and the second fins 212 have substantially the same configuration (shape). However, the first fins and the second fins having different configurations may be used depending on the fixing position to the heat sink 23. For example, welding is used to fix the first fins 211 and the second fins 212 to the heat dissipation plate 23. For example, the first fin and the second fin may be used by other fixing methods / fixing means such as rivets and screw bodies. May be fixed to the heat sink. The radiating fin 21 may be the radiating fin 21 having a “U” -shaped cross section by pressing the first fin 211 and the second fin 212 together.

(2) Heat radiation plate The heat radiation plate 23 has a module mounting function for mounting the light source module 25 on the surface. The heat radiating plate 23 has a heat radiating function for radiating a part of the heat generated in the light source module 25 and a heat conduction function for conducting a part of the heat generated in the light source module 25 to the radiating fins 21. The heat sink 23 has a cover mounting function for mounting the light source cover 27. The heat sink 23 has a connecting function for connecting the light source unit 2 to the frame 6.

The heat sink 23 includes a flat plate portion 231 having a rectangular shape, and standing

portions

241 and 242 standing on the circuit unit 4 side from the periphery of the flat plate portion 231. Here, the standing portion standing from the long side edge of the flat plate portion 231 is referred to as a long standing portion 241, and the standing portion standing from the short side edge is referred to as a short standing portion 242. In addition, when it is not necessary to distinguish the long standing part 241 and the short standing part 242, the standing

parts

241 and 242 are used.

(2-1) Flat Plate Part The flat plate part 231 has a cover mounting means for mounting the light source cover 27. Here, the light source cover 27 is mounted on the heat sink 23 by two types of cover mounting means, the first cover mounting means is in the flat plate portion 231, and the second cover mounting means is in the standing

portions

241 and 242.
Here, when the light source cover 27 is fixed by a fixing tool, and the screw body 201 is used as the fixing tool, for example, the first cover mounting means is configured by the screw hole 234. Note that there are four screw bodies 201 and four screw holes 234, which are provided at the four corners of the rectangular flat plate portion 231.

The flat plate portion 231 has module mounting means for mounting the light source module 25. Here, when the light source module 25 is fixed with a fixing tool and the screw body 203 is used as the fixing tool, for example, the module mounting means is configured by a screw hole 235 (see FIG. 6). Note that there are six screw bodies 201 and six screw holes 235, which are provided inside a virtual rectangular shape formed by connecting four screw holes 234.

The flat plate portion 231 has a cable through-hole 236 that electrically connects the circuit unit 4 and the light source unit 2 (light source module 25) (see FIG. 6). A cushing bush 204 is fitted in the through hole 236.
The flat plate portion 231 has optical member positioning means for the optical member 29. Here, the optical member 29 has a convex portion 296 on the inner surface of the inclined portion 294, and the flat plate portion 231 has a recess or a through hole 237 into which the convex portion 296 is fitted. That is, the optical member positioning means is constituted by the through hole 237. Note that there are two convex portions 296 at intervals in the longitudinal direction of the flat plate portion 231, and there are also two through holes 237.

(2-2) Standing portions The standing

portions

241 and 242 can be obtained by pressing a plate-like member, for example. Here, the standing

portions

241 and 242 are formed over the entire length of each side of the flat plate portion 231.
The standing

portions

241 and 242 have second cover mounting means for mounting the light source cover 27. Here, the light source cover 27 has a protruding piece 287 that protrudes to the back side, and the second cover mounting means is configured by a through-hole 243 that engages with a locking portion (the protruding portion 289 of the protruding piece 287). The In addition, the convex part 289 of the protrusion piece 287 is located between both opening surfaces of the front and back directions which comprise the through-hole 243. FIG. Thereby, even if there is no screw body 201, the light source cover 27 can be made difficult to come off in the front and back direction.
Note that a total of ten protruding pieces 287 of the light source cover 27 are provided at intermediate portions between both ends of each side of the rectangular annular plate portion 271, and a total of ten through holes 243 are provided at portions corresponding to the protruding pieces 287. ing.

The standing

portions

241 and 242 have light source side coupling means coupled to the coupling plate 61 of the frame body 6. Here, the heat radiating plate 23 is connected to the connecting plate 61 by two types of light source side connecting means, the first light source side connecting means is in the long standing portion 241, and the second light source side connecting means is the standing portion 242 and the flat plate. It is at the boundary with the part 231.

A fixture is used for the first light source side connection. As shown in FIG. 3, a screw body 205 is used as a fixture, and the first light source side connecting means is constituted by a screw hole 244. In addition, since the elongate installation part 241 is comprised from the thin plate-shaped member, the screw hole 244 is formed by the burring process. The screw holes 244 are provided at both ends in the longitudinal direction of the flat plate portion 231 in the long standing portion 241.

An engagement structure is used for the second light source side connection. The connecting plate 61 has a locking piece 68 (see FIG. 11), and the second light source side connecting means is constituted by a through hole 245 with which the locking piece 68 is engaged. The locking piece 68 engages with the back side end face in the front and back direction that constitutes the through hole 245. Thereby, when the light source unit 2 is installed so as to irradiate downward, the light source unit 2 can be hardly dropped without the screw body 205.
The through-holes 245 are provided at both ends in the short direction of the rectangular flat plate portion 231 in each short standing portion 242.

(3) Light Source Module The light source module 25 is a so-called square light source module that has a rectangular shape when viewed from the front side. The light source module 25 includes a plurality of LED elements 251 and an LED substrate 253 on which the plurality of LED elements 251 are mounted. The light source module 25 has a power receiving connector 255 on the LED substrate 253. The connector 255 is detachably connected to a cable connected to the circuit unit 4.

The plurality of LED elements 251 are arranged in a matrix and have a rectangular shape that is long in the longitudinal direction of the LED substrate 253 as a whole. The LED element 251 here is a so-called Mid Power chip.
Here, the LED substrate 253 has a rectangular shape that is long in the longitudinal direction of the rectangular heat sink 23. The size of the LED substrate 253 is smaller than the size of the fin region on the heat radiating plate 23 on which the heat radiating fins 21 are mounted. That is, when the light source unit 2 is projected, the LED board 253 is positioned in the fin area smaller than the fin area. Thereby, the heat | fever of the LED element 251 can be discharge | released efficiently.
The LED substrate 253 includes a through hole 257 for the bush 204 (cable), a through hole 258 for the screw body 203 for mounting the light source module 25 to the heat radiating plate 23, and a convex portion 296 for positioning the optical member 29. A through hole 259 is provided. The through hole 258 constitutes an example of a module mounting unit.

(4) Light source cover The light source cover 27 has a rectangular tray shape with a recessed central portion. The light source cover 27 includes an annular plate portion 271 and a bulging portion 281. The light source cover 27 also has cover mounting means for mounting on the heat sink 23. The light source cover 27 has a function of providing the optical member 29 on the heat sink 23.

(4-1) Annular plate portion The annular plate portion 271 has a rectangular annular shape. The annular plate portion 271 has a shape that is long in the longitudinal direction of the light source module 25. The back surface of the annular plate portion 271 faces the outer peripheral portion of the light source module 25 or the optical member 29 in the flat plate portion 231 of the heat radiating plate 23. Here, the back surface contacts the flat plate portion 231.
The annular plate portion 271 has a groove 273 on the back surface that is continuous in the circumferential direction at a portion close to the inner peripheral edge (see FIG. 7). The groove 273 is for packing not shown. The packing improves the adhesion between the light source cover 27 and the heat sink 23. Thereby, it can prevent that the oil component disperse | distributed in the air adheres to LED element 251 grade | etc.,.
The annular plate portion 271 has a pair of short side portions 275 and a pair of long side portions 277. The short side portion 275 has a chipped portion 278 at a portion close to both the long side portions 277. The notch 278 is for the locking piece 68 of the connecting plate 61.
A through hole 279 is provided at a corner portion of the annular plate portion 271, that is, a portion where the short side portion 275 and the long side portion 277 intersect. The through hole 279 is for the screw body 201. The through hole 279 corresponds to an example of a first cover mounting unit described later. Further, the peripheral portion of the through hole 279 is an example of a fixing portion that is fixed to the heat sink 23 by the screw body 201.

(4-2) Swelling portion The swelling portion 281 swells from the inner peripheral edge of the annular plate portion 271 to the front side. The light source module 25 and the optical member 29 are accommodated in the space between the bulging portion 281 and the heat sink 23. The bulging portion 281 has a configuration that prevents the optical member 29 and the light source module in the accommodated state from rattling.
The bulging portion 281 includes a standing portion 283 that stands on the front side from the inner peripheral edge of the annular plate portion 271 and a lid portion 285 that closes the front side end of the standing portion 283. The inner peripheral surface of the standing portion 283 is close to or in contact with the outer peripheral surface of the optical member 29. In addition, the part where the standing part 283 and the lid part 285 intersect is rounded.

A region facing the central opening 298 of the optical member 29 and the surrounding inclined portion 294 in the lid portion 285 is a light transmission region through which light emitted from the LED element 251 passes. The portion of the lid portion 285 facing the annular flat plate portion 292 of the optical member 29 and the standing portion 283 are positioning regions for positioning the optical member 29.
The inner surface of the lid portion 285 may have a function of dispersing light from the light source module 25. The dispersion function can be implemented by, for example, a microlens or a texture.

(4-3) Mounting means The light source cover 27 has cover mounting means for the heat sink 23. Here, the light source cover 27 is mounted by the above-described two types of cover mounting means, and the first cover mounting means and the second cover mounting means are in the annular plate portion 271.
For the first cover mounting, a fixture is used, and the light source cover 27 is mounted on the heat sink 23 with the first cover mounting means on the side of the heat sink 23. The fixing tool is a screw body 201, and the first cover mounting means is constituted by a through hole 279. A screw body 201 that is screwed into the screw hole 234 that is the first cover mounting means on the heat radiating plate 23 side is inserted into the through hole 279. The through hole 279 is as described above.

For the second cover mounting, the light source cover 27 is mounted on the heat radiating plate 23 using the engagement structure with the second cover mounting means on the heat radiating plate 23 side. The second cover mounting means includes a protruding piece 287 that protrudes from the annular plate portion 271 to the back side, and a convex portion 289 (see FIG. 7) that protrudes inward (from the bulging portion 281 side) from the back side end portion of the protruding piece 287. Composed. The convex portion 289 engages with the through hole 243 of the heat sink 23. The convex portion 289 here is an example of an engaging portion that engages with the heat sink 23.
Two protruding pieces 287 are formed on the short side portion 275 and three on the long side portion 277. One or a plurality of protruding pieces 287 are provided between both ends of the short side portion 275 and between both ends of the long side portion 277, respectively. Thereby, the adhesiveness to the heat sink 23 of the light source cover 27 can be improved.

(5) Optical member Description will be given mainly with reference to FIGS.
The optical member 29 has a reflection portion 291 that reflects light from the light source module 25. The reflecting portion 291 is configured by an inclined surface that is arranged around the outer periphery of the plurality of LED elements 251 that are arranged in a rectangular shape as a whole and moves to the front side as the distance from the LED elements 251 increases.
The optical member 29 includes a rectangular annular flat plate portion 292 that contacts the lid portion 285 of the light source cover 27, a standing portion 293 on the back side from the outer peripheral edge of the annular flat plate portion 292, and an inner side narrowing from the inner peripheral edge of the annular flat plate portion 292. And an inclined portion 294 which is inclined in the direction.

The surface of the inclined portion 294 becomes the inclined surface of the reflecting portion 291. The optical member 29 is made of, for example, a white resin material and has a reflection function on the surface thereof. For the reflection function, for example, a plating layer can be used. In the optical member 29, the LED element 251 is exposed from the central opening 298 of the rectangular annular inclined portion 294, and a part of the light emitted from the LED element 251 is reflected by the surface (inclined surface) of the inclined portion 294.

The optical member 29 may have a space formed on the back side of the annular flat plate portion 292, the standing portion 293, and the inclined portion 294 as an accommodation space, and may be provided with a cable, for example. In addition, the LED substrate 253 is configured so that a connector 255 for connection with a cable is located in the housing space.
The optical member 29 has a rib 295 extending from the annular flat plate portion 292 to the back side and connecting the inclined portion 294 and the standing portion 293 (see FIG. 7). The ribs 295 include a rib parallel to the short direction of the heat sink 23 and a rib parallel to the longitudinal direction of the heat sink 23.

The optical member 29 has a convex portion 296 for positioning with respect to the heat sink 23 on the back surface of the inclined portion 294 (see FIG. 7). The convex portion 296 passes through the through hole 259 of the LED substrate 253 of the light source module 25 and enters the through hole 237 (see FIG. 6) of the heat sink 23.
The optical member 29 has positioning means (convex portions 296) with respect to the heat sink 23, but does not have attachment means to the heat sink 23. The optical member 29 is disposed on the heat sink 23 by fixing the light source cover 27 that houses the optical member 29 in the bulging portion 281 to the heat sink 23.
The outer surface shape of the optical member 29 and the inner surface shape of the bulging portion 281 of the light source cover 27 correspond to each other, and the optical member 29 is attached to the heat sink 23 by attaching the light source cover 27 to the predetermined portion of the heat sink 23. Arranged.
The optical member 29 has a convex portion 297 protruding toward the light source cover 27 (front side) on the annular flat plate portion 292. Here, the convex portion 297 has a rectangular annular shape formed over the entire circumference in the central portion of the rectangular annular flat plate portion 292. The top of the convex portion 297 contacts the inner surface (back surface) of the light source cover 27. Thereby, the optical member 29 can be positioned in the light source cover 27 and the thermal expansion of the optical member 29 can be dealt with.

3. The circuit unit will be described mainly with reference to FIGS. 3 and 8 to 10.
The circuit unit 4 is supported by the frame body 6 with a space between the circuit unit 4 and the light source unit 2. The circuit unit 4 includes a lighting circuit 41 that supplies lighting power to the light source module 25 on the back side of the support plate 43. The lighting circuit 41 is provided for one light source module 25 (light source unit 2). For example, when there are two light source units 2 as shown in FIG. 1, there are two lighting circuits 41 in total.
The circuit unit 4 includes a circuit cover 45 that covers the lighting circuit 41 and is attached to the support plate 43. The circuit unit 4 includes a terminal block set 47 for connecting a cable connected to a commercial power source. The circuit unit 4 includes an insulating case 49 for ensuring the insulation of the lighting circuit 41.

(1) Lighting circuit The lighting circuit 41 has a circuit for receiving lighting from a commercial power source and generating lighting power. The circuit is composed of a plurality of electronic components 411, and the plurality of electronic components 411 are mounted on a circuit board 413. In the figure, the plurality of electronic components 411 are shown in block form.
The circuit board 413 has a rectangular shape that is long in the longitudinal direction of the support plate 43. A through-hole 415 is provided at a corner of the circuit board 413. The through hole 415 corresponds to an example of a circuit fixing unit for fixing the circuit board 413 (lighting circuit 41) to the support plate 43. Note that a screw body 401 that is an example of a fixture is inserted into the through hole 415, and the screw body 401 is screwed into a screw hole or a screw hole of a convex portion provided on the back surface of the support plate 43. Here, a boss portion 441 is used as a convex portion, and a screw hole 442 is provided in the boss portion 441. As a result, the circuit board 413 is supported on the upper surface of the boss portion 441 and fixed in a state of being separated from the support plate 43. A bottom plate portion 491 of the insulating case 49 is disposed between the circuit board 413 and the support plate 43.

(2) Support plate The support plate 43 has a circuit support function for mounting (supporting) the lighting circuit 41. The support plate 43 has circuit fixing means for fixing the lighting circuit 41. The support plate 43 has a circuit cover mounting function for mounting the circuit cover 45. The support plate 43 has a terminal block fixing function for fixing the terminal block set 47. The support plate 43 has a connecting function for connecting the circuit unit 4 to the frame body 6.

The support plate 43 has a projection shape substantially the same as the projection shape of the heat dissipation plate 23 of the light source unit 2. Here, the heat radiating plate 23 has a rectangular projection shape, and the projection shape of the support plate 43 also has a rectangular shape or a shape similar to a rectangular shape.
The support plate 43 has a flat plate portion 431 having a rectangular shape or a rectangular shape, and standing

portions

432 and 433 that stand on the light source unit 24 side from the periphery of the flat plate portion 431. Here, the standing part standing from the long side edge of the flat plate part 431 is referred to as a long standing part 432, and the standing part standing from the short side edge is referred to as a short standing part 433. In addition, when it is not necessary to distinguish the long standing part 432 and the short standing part 433, it is set as the standing

parts

432 and 433.
A central portion of the short side in the flat plate portion 431 is a chipped portion 434 that is recessed in the longitudinal direction. Short standing portions 433 are provided on both sides in the lateral direction with respect to the chipped portion 434 of the flat plate portion 431. There are two short standing portions 433 on each short side.

(2-1) Flat Plate Part The flat plate part 431 includes circuit support means for supporting the circuit board 413 and circuit fixing means for fixing the circuit board 413 on the back surface. The circuit support means here is constituted by a boss portion 441, and the circuit fixing means is constituted by a screw hole 442 formed in the boss portion 441.
The flat plate portion 431 has circuit cover mounting means for mounting the circuit cover 45. Here, the circuit cover 45 is mounted on the support plate 43 by two types of circuit cover mounting means. The first circuit cover mounting means which is one of the two circuit cover mounting means uses a fixing tool, and the second circuit cover mounting means which is the other uses an engaging structure.
The first circuit cover mounting means includes a screw hole 443 (see FIG. 10) into which a screw body 402, which is an example of a fixture, is screwed. The screw hole 443 is formed by a baling process. The second circuit cover mounting means is constituted by a through hole 444 through which the bent portion 456 of the circuit cover 45 is inserted and engaged with the flat plate portion 431. The bent portion 456 of the circuit cover 45 enters from the back surface side (external side) with respect to the through hole 444, and the bent portion 456 that has entered enters the entrance direction side with respect to the through hole 444 of the flat plate portion 431. Engages with the plate portion 431a. The through hole 444 has a rectangular shape that is long in the longitudinal direction of the flat plate portion 431.

The flat plate portion 431 has terminal block fixing means for fixing the terminal block set 47. A fixing tool is used to fix the terminal block set 47. The fixture here is a screw body 403 (see FIG. 9), and the terminal block fixing means is constituted by a screw hole 445 for the screw body 403. The screw hole 445 is formed by a baling process.
The flat plate portion 431 has rotation stopping means so that the terminal block set 47 fixed by the screw body 403 does not rotate. The rotation stopping means is constituted by a through hole 446 into which the front end of the bent portion 477 of the terminal block set 47 is inserted. The through-hole 446 here has a groove shape extending in the short direction. The front end of the bent portion 477 extends to the front side from the front end of the inclined portion 475 and the connecting portion 476, and the terminal block set 47 is in a state where the front end of the bent portion 477 is inserted into the through hole 446. Is moved in the short direction, and the groove 478 at the extending tip of the bent portion 477 is engaged with the through hole 446.

(2-2) Standing portion The standing

portions

432 and 433 are configured to face both the connection main portion 62 and the connection auxiliary portion 63 of the connection plate 61 of the frame body 6. In the state of being connected to the connecting plate 61, the standing

portions

432 and 433 are positioned outside the connecting main portion 62 and the connecting auxiliary portion 63 of the connecting plate 61. Thereby, it can control that support plate 43 (circuit unit 4) shifts in the direction which intersects perpendicularly with the front and back directions to frame 6.
One of the

upright portions

432 and 433 has a circuit side connecting means connected to the connecting plate 61 of the frame body 6. One standing part is a long standing part 432. A fixture is used for the connection here. As shown in FIG. 3, a screw body 405 is used as the fixture, and the circuit side connecting means is constituted by a screw hole 447. That is, the erecting portion 432 is an example of a fixed portion that is fixed to the coupling main portion 62 of the coupling plate 61 by the screw body 405. One short standing portion 433 of the standing

portions

432 and 433 is an example of an engaging portion that engages with the main connecting portion 62 and the auxiliary connecting portion 63.
Since the elongated portion 432 is made of a thin plate member, the screw hole 447 is formed by burring. The screw holes 447 are provided at both ends in the longitudinal direction of the flat plate portion 431 in the upright portion 432.

(3) Circuit cover The circuit cover 45 has a box shape with the front side opened. When viewed from the back side, the circuit cover 45 has a rectangular shape that is long in the longitudinal direction of the rectangular support plate 53 and has the smallest dimension in the front and back direction (the front side is open).
The circuit cover 45 includes a rectangular top plate portion 451, a long side plate portion 452 extending from the long side of the top plate portion 451 to the front side, and a short side plate portion 453 extending from the short side of the top plate portion 451 to the front side. Have.

One long side plate portion 452 has an opening 454 for exposing the terminal block set 47 to the outside of the circuit cover 45. There are two openings 454 for the two-wire terminal block 471 and for the three-wire terminal block 472.
One long side plate portion 452 has a bent portion 456 that is bent outward from the front side end in the short direction. The bent portions 456 are provided at both ends of one long side plate portion 452 in the longitudinal direction. The bent portion 456 enters the through hole 444 of the support plate 43 and engages with the plate portion 431a. That is, the bent portion 456 constitutes an example of a first circuit cover mounting unit.
The other long side plate portion 452 has a bent portion 457 that bends outward in the lateral direction over the entire length of the front side end. The bent portion 457 has through holes 458 on both ends in the longitudinal direction of one long side plate portion 452. A screw body 402 that is a fixing tool for fixing the circuit cover 45 to the support plate 43 is inserted into the through hole 458. That is, the through hole 458 of the bent portion 457 constitutes an example of the second circuit cover mounting means.

(4) Terminal Block Set The terminal block set 47 is for facilitating connection with a commercial power supply side cable (not shown). The terminal block set 47 includes a terminal block and a terminal mounting plate 474 on which the terminal block is mounted.
Here, there are two types of terminal blocks: a two-wire insertion type two-wire terminal block 471 and a three-wire insertion type three-wire terminal block 472. If there is no need to distinguish between the 2-wire terminal block 471 and the 3-wire terminal block 472, the terminal blocks 471 and 472 are simply used.

The terminal mounting plate 474 mounts the terminal blocks 471, 472 so that the cable insertion holes of the terminal blocks 471, 472 protrude from the opening of the circuit cover 45 to the outside. Here, the cable is mounted so that the cable is inserted into the terminal blocks 471 and 472 along the long side plate portion 452 of the circuit cover 45. The cable is mounted so that the cable insertion direction into the terminal blocks 471 and 472 is inclined with respect to the long side plate portion 452 of the circuit cover 45. The inclination direction is a direction approaching the long side plate portion 452 as it approaches the insertion port of the terminal blocks 471 and 472. Thereby, the operation of inserting the cable becomes easier than when the insertion direction of the cable into the terminal blocks 471 and 472 (particularly 471) is parallel to the long side plate portion 452.
The terminal mounting plate 474 is fixed so as to stand on the flat plate portion 431 of the support plate 43. The terminal mounting plate 474 is mounted in a state where the two-wire terminal block 471 and the three-wire terminal block 472 are provided side by side in the longitudinal direction of the support plate 43. The terminal blocks 471 and 472 are fixed to the terminal mounting plate 474 with a screw body.

The terminal mounting plate 474 includes two inclined portions 475 that are inclined with respect to the long side plate portion 452 of the circuit cover 45, and a connection portion 476 that connects the two inclined portions 475. The two inclined portions 475 are provided substantially in parallel. Terminal blocks 471 and 472 are fixed to the inclined portion 475.
The terminal mounting plate 474 has a bent portion 477 that bends from both longitudinal ends of the two inclined portions 475 inward in the short direction. The front side end portion of the bent portion 477 protrudes to the front side from the front side end of the inclined portion 475, and has a groove 478 in the protruding portion. The groove 478 engages with the through hole 446 of the flat plate portion 431 of the support plate 43. That is, the front end portion of the bent portion 477 and the through hole 446 at the front end portion constitute an example of a rotation stop means for preventing the terminal block set 47 from rotating.
The terminal mounting plate 474 has a bent piece 480 that bends from the front side end of the connecting portion 476 in the short direction (inside), and the bent piece 480 has a through hole 481. A screw body 403 that is a fixture for fixing the terminal mounting plate 474 to the support plate 43 is inserted into the through hole 481. That is, the through hole 481 of the bent piece 480 constitutes an example of the terminal block fixing means.

(5) Insulating Case The insulating case 49 is disposed between the lighting circuit 41 and the support plate 43 and between the lighting circuit 41 and the long side plate portion 452 of the circuit cover 45. In addition, since the lighting circuit 41 and the short side plate portion 453 of the circuit cover 45 are separated from each other, the insulating case 49 is not provided.
The insulating case 49 has a rectangular bottom plate portion 491 and a standing portion 493 that stands from an edge of the bottom plate portion 491 in the short direction. The bottom plate portion 491 is located between the lighting circuit 41 and the support plate 43, and the standing portion 493 is located between the lighting circuit 41 and the long side plate portion 452 of the circuit cover 45.
The bottom plate portion 491 has a chipped portion 495 for the boss portion 441 of the support plate 43 and a through hole 497. The bottom plate portion 491 has a notch 499 for the bush 407 attached to the through hole 448 of the support plate 43.

4). The frame will be described mainly with reference to FIG.
The frame 6 includes two connecting plates 61 (FIG. 2) that connect the heat radiating plate 23 and the support plate 43 in an opposing state. The two connecting plates 61 connect the longitudinal ends of the heat dissipation plate 23 and the support plate 43 to each other. The connecting plate 61 is obtained, for example, by pressing one metal plate.
The connection plate 61 includes a pair of connection main portions 62 that connect the heat dissipation plate 23 and the support plate 43, and a connection auxiliary portion 63 that connects the pair of connection main portions 62. The connecting plate 61 has an attachment portion 64 for attaching to the arm 9. The attachment portion 64 is provided using the connection auxiliary portion 63.
The connecting plate 61 has a connecting main part 62 extending in a direction (front and back direction) in which the main surfaces of the heat sink 23 and the support plate 43 face each other, and a direction (short direction) perpendicular to the longitudinal direction of the heat sink 23 and the support plate 43. And a connection assisting portion 63 that extends. The connecting plate 61 has a “U” shape having the connecting auxiliary portion 63 on the support plate 43 side in the pair of connecting main portions 62.

The coupling head portion 62 has contact portions that contact the standing

portions

241 and 242 of the heat sink 23 and the standing

portions

432 and 433 of the support plate 43.
A contact portion that contacts the outer surface of the end portion of the long standing portion 241 is a long contact portion 65, and a contact portion that contacts the outer surface of the end portion of the short standing portion 242 is a short contact portion 66. In other words, the contact portion that contacts the inner surface of the end portion of the long standing portion 432 is the long contact portion 65, and the contact portion that contacts the inner surface of the end portion of the short standing portion 433 is the short contact portion 66. To do.
The long contact portion 65 corresponds to an example of the “second contact portion” of the present invention, and the short contact portion 66 corresponds to an example of the “first contact portion” of the present invention. The connecting main part 62 has a long contact portion 65 and a short contact portion 66 in a state of being orthogonal to each other.

(1) Connection with the light source unit The end portion on the light source unit 2 side in the connection main part 62 is a fixed part fixed to the standing

parts

241 and 242 of the heat sink 23 by a fixture, and a flat plate part of the heat sink 23 231 or the standing

portions

241 and 242 from the front side. Here, the fixed portion is in the long contact portion 65 and the engaging portion is in the short contact portion 66.
An example of a fixture that fixes the end of the long contact portion 65 to the heat sink 23 is a screw body 205, and has a through hole 67 at the end of the long contact portion 65. That is, as shown in FIG. 13, the long contact portion 65 is positioned outside the long standing portion 241 of the heat sink 23, and the screw body 205 is inserted through the through hole 67 and the long standing portion 241. It is fixed by screwing into the screw hole 244 (see FIG. 4). That is, the through hole 67 at the end of the long contact portion 65 constitutes an example of the first light source side connecting means.
The front end portion of the short contact portion 66 is a locking piece 68 bent to the back side of the short contact portion 66, and exists at the boundary portion between the short standing portion 242 and the flat plate portion 231 of the heat sink 23. Engaging with the through-hole 245 (see FIG. 4). That is, the locking piece 68 at the end of the short contact portion 66 constitutes an example of the second light source side connecting means.

(2) Connection with Circuit Unit The end portion present on the circuit unit 4 side in the connection main unit 62 is an example of a fixed portion fixed to the standing

portions

432 and 433 of the support plate 43 by a fixing tool. An example of a fixture that fixes the end of the long contact portion 65 to the support plate 43 is a screw body 405 (see FIG. 3), and has a through hole 69 at the end of the long contact portion 65. That is, as shown in FIGS. 12 and 13, the long abutting portion 65 is installed in a state where the screw body 405 is inserted through the through hole 69 in a state where it is located inside the long standing portion 432 of the support plate 43. It is fixed by being screwed into the screw hole 447 of the portion 432. That is, the through hole 69 at the end of the long contact portion 65 constitutes an example of a circuit side connecting means. The through hole 69 is burring processed.
The end portion present on the circuit unit 4 side in the coupling head portion 62 is an example of an engaging portion that is engaged with the standing

portions

432 and 433 of the support plate 43 from the outside.
The connecting plate 61 includes a short contact portion 66 of the connecting head portion 62 and a bent portion 71 that bends inward (support plate 43 side) from the end of the connecting auxiliary portion 63 on the circuit unit 4 side. The bent portion 71 abuts (supports) the flat plate portion 431 of the support plate 43 from the front side. The bent portions 71 are provided at both ends of the flat plate portion 431 of the support plate 43 in the short direction.

(3) Attachment with an arm The attachment part 64 has the extending | stretching part 73 extended | stretched in the back direction from the center part of the transversal direction of the support plate 43 in the connection auxiliary | assistant part 63. FIG. The extending portion 73 is provided between the two bent portions 71.
Bolts 88 are used for attachment to the arm 9 (see FIG. 1), and two nuts 74 for the bolts 88 are provided on the back surface of the extending portion 73 in the front and back direction. The nut 74 is attached by welding, for example.
For example, as shown in FIG. 1, the attachment portion 64 has attachment means for attaching to the attachment plate 90 of the arm 9 in a state where the two apparatus main bodies 8 are provided side by side. For the attachment here, a screw body 89 as an example of a fixture is used, and a screw hole 75 for the screw body 89 is provided in the extending portion 73 and the connection auxiliary portion 63. There are four screw holes 75 around the two nuts 74, one at each end of the short contact portion 66 on the circuit unit 4 side, and a total of six screw holes 75. Four screw holes 75 around the nut 74 are provided at positions corresponding to square corners.

5). The arm will be described mainly with reference to FIGS.
The arm 9 has an attachment function for attaching the apparatus main body 8 to the installation surface. The arm 9 is directly received by the apparatus main body 8 when the number of the apparatus main body 8 is one, and when the number of the apparatus main bodies 8 is two as shown in FIG. It is attached.
The arm 9 includes an arm body 91 having a “U” shape. The arm main body 91 includes an installation surface side fixing portion 92 that is fixed to the installation surface, and a device side fixing portion 93 that is fixed to the device main body 8 side. The installation surface side fixing portion 92 extends in the longitudinal direction of the support plate 43 of the circuit unit 4. The installation surface side fixing portion 92 has a plurality of fixing through holes 94. The apparatus-side fixing portion 93 extends in a direction perpendicular to both ends of the installation surface-side fixing portion 92 in the longitudinal direction. The apparatus-side fixing portion 93 has a through hole at the extending tip portion. When attached to the connecting plate 61 of the frame 6 of the apparatus body 8, a bolt that is screwed into the nut 74 (see FIG. 11) of the connecting plate 61 passes through the through hole. When the number of the apparatus main bodies 8 is two as shown in FIG. 1, the bolts 88 screwed into the nut bodies 99 attached to the attachment plate 90 pass through the through holes.
One of the through holes has an arc shape with the center axis of the bolt 88 passing through the other through hole as the center of rotation. Here, it is a through hole located on the front side. Thereby, the arm 9 can fix the attitude | position of the apparatus main body 8 so that adjustment is possible.

The attachment plate 90 is connected in a state where the two apparatus main bodies 8 are provided side by side, and is attached to the arm 9. In addition, the state to adjoin here is the state arrange | positioned in the transversal direction in the rectangular heat sink 23 and the support plate 43. In FIG. The mounting plate 90 includes a connecting portion 95 that connects the connecting plates 61 of the two device main bodies 8 provided side by side, and an arm side fixing portion 96 that is fixed to the device side fixing portion 93 of the arm 9.
The connecting portion 95 has a plate shape parallel to the auxiliary connecting portion 63 of the two connecting plates 61 provided side by side. The connecting portion 95 has a plurality of through holes 97. The through hole 97 is provided corresponding to the screw hole 75 of each connecting plate 61. A screw body 89 that is screwed into the screw hole 75 of the connecting plate 61 is inserted into the through hole 97.
The connecting portion 95 has a bent piece 98 that bends inward (apparatus body 8 side) from the front end. When the connecting portion 95 is fixed to the connecting plate 61 with the screw body 89, the bent piece 98 abuts (engages) from the front side to the bent portion 77 at the front end of the connecting auxiliary portion 63 of the connecting plate 61.
The arm side fixing portion 96 is the back side end of the mounting plate 90 and extends from the approximate center in the side-by-side direction to the back side. The arm side fixing portion 96 has a through hole and a nut body 99. The nut body 99 is integrally provided on the back surface of the arm side fixing portion 96, and the screw hole and the through hole of the nut body 99 are continuous. The arm main body 91 and the mounting plate 90 are fixed with bolts 88, and after the bolts 88 are inserted through the through holes, they are screwed into the nut body 99.

6). Assembly (1) Since the two connection plates 61 are used to connect the light source unit 2 and the circuit unit 4, both units can be easily connected.
(2) The light source cover 27 is attached to the heat radiating plate 23 by two types of first cover mounting means using the screw body 201 and second cover mounting means using the engagement structure. For this reason, the light source cover 27 can be hardly detached from the heat sink 23.
(3) The light source unit 2 is incorporated into the frame body 6 in two types: first light source side connecting means using a screw body 205 and second light source side connecting means using an engaging structure. For this reason, the light source unit 2 can be hardly detached from the frame body 6.
(4) The circuit unit 4 is incorporated into the frame body 6 by circuit side connection means using the screw body 405, and the standing

portions

432 and 433 of the support plate 43 are connected to the connection main portion 62 and the connection auxiliary portion 63 of the connection plate 61. And engage from the outside. For this reason, the circuit unit 4 does not slide with respect to the frame body 6, and the screw body 405 can be hardly loosened.
(5) The circuit cover 45 is mounted on the support plate 43 in two types: first circuit cover mounting means using the screw body 403 and second circuit cover mounting means using the engagement structure. For this reason, it becomes difficult for the circuit cover 45 to slide with respect to the support plate 43, and the screw body 403 can be hardly loosened. In addition, the circuit cover 45 can be hardly detached from the support plate 43.
(6) The attachment of the two apparatus main bodies 8 and the arms 9 via the attachment plate 90 uses the screw body 89, and the bent piece 98 engages with the bent portion 77 of the connecting plate 61 from the front side. For this reason, the apparatus main body 8 can be hardly detached from the arm 9.
The main constituent members of the lighting apparatus shown in these embodiments are connected by a plurality of connecting means, and each connecting means has sufficient mechanical strength to support the constituent member to be supported by only one kind of connecting means. Therefore, even if a problem occurs in one of the connecting means, the other connecting means supports the member, so that the possibility of dropping the member is reduced.
The plurality of connecting means refers to a plurality of types of connecting means having different connecting structures and connecting functions. For example, two engaging means having opposite structures of engagement and engagement are not included in the plurality of connecting means. This refers to cases such as a connecting means having a screwed structure and a connecting means having an engaging structure. In addition, you may provide the connection means of each connection structure or connection function.

Each embodiment has been described above. However, the present invention is not limited to this embodiment. For example, the following modification may be used. Further, the embodiment may be a combination of the modified example and the modified examples.
In addition, examples that are not described in the embodiments and modifications, and design changes that do not depart from the gist are also included in the present invention.

<Modification>
(1) In the embodiment, one arm is attached to two apparatus main bodies. However, one apparatus main body may be attached to one arm.
(2) The support plate and the heat radiating plate of the embodiment have a rectangular shape, but may have other shapes. Moreover, although the connection board has connected the short side side edge part (both ends of a longitudinal direction) of a rectangular-shaped support plate and a heat sink, long side side edge parts (both ends of a short direction) are mutually connected. You may connect. If the efficiency of assembling the frame is not taken into consideration, there may be three or more connecting plates.
(3) In the embodiment, the two apparatus main bodies are provided side by side in the short direction of the support plate and the heat radiating plate. However, they may be juxtaposed in the longitudinal direction, or three or more in the short direction or the longitudinal direction. They may be provided, or a plurality of them may be arranged in the lateral direction and the longitudinal direction.
(4) The connecting head of the connecting plate is in contact with the outer surface of the standing portion of the heat sink, but may be in contact with the inner surface. Further, the long contact portion may contact the outer surface of the long standing portion, and the short contact portion may contact the inner surface of the short standing portion, or vice versa.

(5) The connection head portion and the connection auxiliary portion of the connection plate are in contact with the inner surface of the standing portion of the support plate, but may be in contact with the outer surface. Further, the long contact portion may contact the outer surface of the long standing portion, and the short contact portion and the connection assisting portion may contact the inner surface of the short standing portion, or vice versa.
(6) The connection between the connecting plate and the heat radiating plate is such that the long contact portion is fixed by a screw body and the short contact portion has a locking piece, but the long contact portion has a locking piece. The short contact portion may be fixed with a screw body, or at least one of the short contact portion and the long contact portion may have a locking piece, and may be fixed with a screw body, or the short contact portion. Both the long contact portion and the long contact portion may have a locking piece and be fixed with a screw body.
(7) In the connection between the connecting plate and the support plate, the long contact portion is fixed by the screw body, but the short contact portion may be fixed by the screw body, or the short contact portion and the long contact portion. Both of the parts may be fixed with screw bodies.

(8) Although the screw body is used as the fixture of the embodiment, for example, a pin or a rivet may be used.
(9) The relationship of the engagement structure of the embodiment is an example, and the engagement relationship may be reversed. Specifically, the protruding piece 287 of the light source cover 27 in the embodiment has a convex portion 289, and the standing

portions

241 and 242 of the heat sink 23 have a through hole 243, but the protruding piece penetrates. It may have a hole, and the standing part may have a convex part.
(10) Although two terminal blocks are provided along the longitudinal direction of the circuit cover, for example, two terminal blocks may be provided in the front and back directions.
(11) In the embodiment, one circuit unit is provided for one light source unit, but one circuit unit may be provided for a plurality of light source units.

DESCRIPTION OF SYMBOLS 1 Illuminating device 2 Light source unit 4 Circuit unit 6 Frame 8 Apparatus main body 61 Connection board

Claims

A light source unit provided with a light source module on the surface of the heat radiating plate provided with heat radiating fins on the back surface;
A circuit unit including a lighting circuit on the back surface of a support plate for supplying lighting power to the light source module;
An illuminating device comprising: a frame including two connecting plates that connect the heat radiating plate and the support plate in an opposing state.
The heat radiating plate and the support plate have a rectangular shape, a rectangular shape or a shape close to these,
The two connecting plates connect both end portions in the first direction of the heat radiating plate and the support plate in a state where there is a gap between the light source unit and the circuit unit. Lighting equipment.
The lighting device according to claim 2, wherein the connection plate includes a pair of connection main portions that connect the heat dissipation plate and the support plate, and a connection auxiliary portion that connects the pair of connection main portions.
The heat radiating plate includes a flat plate portion having a rectangular shape, a rectangular shape or a shape close thereto, and a standing portion standing on the circuit unit side from the periphery of the flat plate portion,
An end of the coupling head located on the light source unit side is fixed to a standing part of the heat radiating plate by a fixture, and a flat part of the heat radiating plate or a standing part of the heat radiating plate from the front side. The lighting device according to claim 3, further comprising an engaging portion that engages.
The connecting main part includes a first abutting portion that abuts on a standing portion located at an end portion in the first direction of the flat plate portion of the heat radiating plate, and a first direction orthogonal to the first direction of the flat plate portion of the heat radiating plate. A second abutting portion that abuts against a standing portion located at an end in two directions,
The fixed portion is provided on at least one of the first contact portion and the second contact portion,
The lighting device according to claim 4, wherein the engagement portion is provided in at least one of the first contact portion and the second contact portion.
The support plate includes a flat plate portion having a rectangular shape, a rectangular shape or a shape close thereto, and a standing portion standing on the light source unit side from the periphery of the flat plate portion,
The lighting device according to any one of claims 3 to 5, wherein at least one of the main connecting portion and the auxiliary connecting portion of the connecting plate faces the upright portion of the support plate.
The upright portion of the support plate is engaged with a fixing portion fixed to at least one of the connection main portion and the connection auxiliary portion of the connection plate by a fixing tool, and at least one of the connection main portion and the connection auxiliary portion. The lighting device according to claim 6.
The light source unit includes a light source cover that covers the light source module,
The lighting device according to any one of claims 1 to 7, wherein the light source cover includes a fixing portion that is fixed to the heat radiating plate by a fixture, and an engaging portion that engages with the heat radiating plate.