JP2018147797A - Light source unit and light fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light source unit which can be easily assembled.SOLUTION: A light source unit 200 according to the invention includes: a light emitting part 210; a frame 220 in which the light emitting part 210 is disposed on a light emitting part attachment surface 221a; a power supply device 260 which is an electric component disposed on a power supply attachment surface 221b provided at the opposite side of the light emitting part attachment surface 221a of the frame 220; and a holding material 270 which holds the power supply device 260 on the power supply attachment surface 221b. The power supply device 260 is fixed to the frame 220 by the holding material 270 to facilitate assembly of the light source unit 200.SELECTED DRAWING: Figure 12

Description

  The present invention relates to a light source unit and a lighting fixture including the light source unit.

  2. Description of the Related Art Conventionally, a light emitting board having a light emitting element mounted on the board, a power supply device that is an electrical component that supplies power for lighting the light emitting element to the light emitting board, and a frame to which the light emitting board and the power supply apparatus are attached There is a light source unit.

  For example, the frame of the light source unit is provided with a groove into which a screw is slidably inserted. The screw holds the power supply device together with a nut tightened in the screw in a state where the screw head is fixed in the groove. (For example, see Patent Document 1)

JP 2016-46152 A

  However, in the light source unit of Patent Document 1, in order to fix the power supply device to the frame, a screw is inserted into the groove, the inserted screw is slid to a predetermined position, and the slid screw is provided in the power supply device. After inserting through the mounting hole, the nut had to be tightened into the screw, and the assembly work was troublesome.

  Accordingly, the present invention has been made to solve the above-described problems, and an object thereof is to provide a light source unit that can be easily assembled.

  The light source unit according to the present invention includes a light emitting unit, a first mounting surface on which the light emitting unit is disposed, a frame having a second mounting surface provided on the back side of the first mounting surface, and the second mounting surface. The light source unit includes: an electric component disposed on the mounting surface; and a holding material that holds the electric component on the second mounting surface, wherein the holding material together with the second mounting surface It is characterized by engaging with the frame in a state of straddling parts.

  The light source unit of the present invention can be easily assembled.

FIG. 3 is a perspective view of a lighting fixture in the first embodiment. FIG. 3 is a cross-sectional view of the lighting apparatus taken along the line AA ′ in the first embodiment. 3 is an exploded perspective view of the lighting fixture in Embodiment 1. FIG. FIG. 3 is a perspective view of an instrument body in the first embodiment. FIG. 3 is a perspective view of a spring in the first embodiment. 4 is a perspective view of a light source unit in Embodiment 1. FIG. 2 is a cross-sectional view of the light source unit taken along the line CC ′ in Embodiment 1. FIG. 3 is an exploded perspective view of the light source unit in Embodiment 1. FIG. FIG. 3 is a perspective view of a connection fitting in the first embodiment. 2 is a perspective view of a power supply device according to Embodiment 1. FIG. 4 is a perspective view of a holding material in Embodiment 1. FIG. FIG. 6 is a mounting process diagram of the power supply device according to the first embodiment. FIG. 6 is a mounting process diagram of the holding material in the first embodiment. 6 is a perspective view of a light source unit in Embodiment 2. FIG. FIG. 6 is a perspective view of a power supply device according to a second embodiment. FIG. 6 is a perspective view of a light source unit in a third embodiment. FIG. 10 is a JJ ′ cross-sectional view of a light source unit according to Embodiment 3. 10 is a plan view of a holding material in Embodiment 3. FIG. 10 is a plan view of a frame in Embodiment 3. FIG.

Embodiment 1.
The present invention facilitates assembly by fixing electrical components with a holding material.
Hereinafter, the lighting fixture attached to a ceiling etc. is demonstrated as embodiment which concerns on this invention. First, the overall configuration of the lighting fixture will be described.
FIG. 1 is a perspective view of a lighting fixture in the present embodiment. 2 is a cross-sectional view taken along the line AA ′ shown in FIG. FIG. 3 is an exploded perspective view of the lighting fixture 1 shown in FIG.

  In the following description, as shown by the arrows in FIG. 1, the longitudinal direction of the lighting fixture is the longitudinal direction X, the lateral direction is the lateral direction Y, and the direction orthogonal to the longitudinal direction X and the lateral direction Y is the vertical direction Z. To do. In addition, a direction toward a surface to be attached such as a ceiling to which the luminaire 1 is attached is an upward direction Z1, and a direction toward the opposite side to the upward direction Z1 is a downward direction Z2.

  The lighting fixture 1 includes a fixture main body 100 and a light source unit 200. The instrument main body 100 is attached to a to-be-attached surface using fixing tools, such as a suspension bolt which is not illustrated, for example. The light source unit 200 is detachably attached to the instrument main body 100.

  With reference to FIG. 4 and FIG. 5, the structure of each part of the instrument main body 100 is demonstrated. 4 is a perspective view of the instrument body 100 shown in FIG. FIG. 5 is a perspective view of the spring 120 shown in FIG. The instrument main body 100 is attached to the attachment surface using a fixture, and the light source unit 200 is attached from the lower direction Z2 side.

The instrument main body 100 is formed with a housing recess 110 into which a part of the light source unit 200 is inserted and attached. The housing recess 110 includes a bottom portion 110a formed in a rectangular plate shape and a pair of side portions 110b extending in the downward direction Z2 from the end of the long side of the bottom portion 110a, and a surface facing the bottom portion 110a is opened. ing.
With this configuration, the housing recess 110 has a concave shape, and the light source unit 200 is inserted from the opening side to house a part of the light source unit 200 in the housing recess 110.
Further, a power supply drawing hole 110aa and a fixing hole 110ab are formed in the bottom 110a of the housing recess 110. The power supply hole 110aa draws a power line (not shown) for receiving power supply from a commercial power source from outside the instrument body 100 into the housing recess 110. The fixing hole 110ab is inserted with a fixing tool for fixing the instrument body 100 to the surface to be attached.
In addition, the instrument main body 100 is provided on the side surfaces of both ends of the instrument main body in the longitudinal direction X, and inclined portions 111 that are formed so as to be inclined in the short direction Y from the longitudinal side of the opening toward the upward direction Z1. The side plate 112 is provided. The side plate 112 includes a side plate main body 112a that covers the side surfaces of both ends of the instrument main body 100 in the longitudinal direction X, and a side plate flange portion 112b that protrudes substantially perpendicularly from the side plate main body portion 112a.

Two springs 120 that lock and hold the light source unit 200 inserted into the housing recess 110 are arranged on the bottom 110a of the housing recess 110 so as to be paired along the X direction.
As shown in FIG. 5, the spring 120 is provided with a spring fixing portion 121, a spring arc portion 122, and a spring tip portion 123. The spring fixing portion 121 is fixed to the bottom portion 111 a of the housing recess 110. The spring arc portion 122 has an arc shape, and a spring tip portion 123 is provided at one end. The spring tip portion 123 is hooked on a connection fitting 250 described later.
The spring 120 is made of an elastic material such as a stainless steel material or a spring steel material. The spring 120 may be formed by bending an elastic material of a plate material, or may be formed by bending an elastic material of a wire material.

  A terminal block 130 into which a power supply wire drawn into the housing recess 110 from the ceiling side of the instrument body 100 is inserted is provided inside the housing recess 110. The terminal block 130 includes a terminal block main body 131 formed in a rectangular shape, and a terminal block connecting portion 132 that is electrically connected to the light source unit 200. The terminal block connecting portion 132 includes a terminal block electric wire 132a and a terminal block connector 132b provided at the tip of the terminal block electric wire 132a.

The above is the configuration of the instrument main body 100. Next, the configuration of the light source unit 200 attached to the instrument main body 100 will be described with reference to FIGS.
FIG. 6A is a perspective view of the light source unit 200 shown in FIG. FIG. 6B is a detailed view of a portion B shown in FIG. FIG. 7 is a cross-sectional view taken along the line CC ′ shown in FIG. FIG. 8A is an exploded perspective view of the light source unit 200 shown in FIG. FIG. 8B is an enlarged view of a portion D in FIG. FIG. 9 is a perspective view of the connecting metal fitting 250 shown in FIG. FIG. 10 is a perspective view of the power supply device 260 shown in FIG. FIG. 11 is a perspective view of the holding member 270 shown in FIG.
The light source unit 200 includes a light emitting unit 210, a frame 220, a cover 230, a lid 240, a connection fitting 250, a power supply device 260, and a holding material 270.

The light emitting unit 210 includes a plurality of light emitting elements 211 and a substrate 212 on which the plurality of light emitting elements 211 are mounted. The substrate 212 is formed in a long shape, and the light emitting elements 211 are linearly arranged in the longitudinal direction of the substrate 212. An electric wire 213 for electrically connecting to the power supply device 260 is connected to one end portion in the longitudinal direction X of the light emitting unit 210.
Here, the light emitting element 211 is a surface mount type LED element, but may be a COB type light emitting module, an organic EL element, or a laser diode element. Moreover, the row | line | column which mounts the light emitting element 211 in a linear form may be one row, and multiple rows | lines may be sufficient as it.

  The frame 220 includes a frame attachment portion 221 that is formed in a long and rectangular plate shape along the longitudinal direction X, and a pair of frame side portions 222 that extend in the upward direction Z1 from each of the longitudinal sides of the frame attachment portion 221. It is configured.

The frame mounting portion 221 is formed in a plate shape, and one surface is a light emitting portion mounting surface 221a on which the light emitting portion 210 is disposed, and the other surface that is the opposite surface of the light emitting portion mounting surface 221a is a power supply device. The power supply mounting surface 221b is provided with 260. The light emitting unit mounting surface 221a is a first mounting surface of the frame 220 on which the light emitting unit 210 is disposed. The power supply attachment surface 221b is a second attachment surface of the frame 220 on which the power supply device 260 is disposed.
In addition, a wire insertion portion 221c in which the electric wire 213 is disposed is provided at an end portion in the longitudinal direction X of the frame attachment portion 221, and a power supply device is provided between the end portion on the wire insertion portion 221c side and the other end portion. A frame projection 221d is provided so as to project one end of 260.
In addition, packing is attached to the power supply insertion portion 221c so as not to provide a gap after the electric wire 213 is inserted.

The frame side portion 222 is provided so as to protrude from the power supply attachment surface 221b of the frame attachment portion 221 so as to form a pair.
The frame side portion 222 is provided with a side end portion 222a formed by being folded back toward the frame attachment portion 221 side. The side end 222a is formed, for example, by bending.
As shown in FIG. 8B, the side end portion 222a is provided with a holding member engaging portion 222b having a concave shape. The holding material engaging portion 222b has a holding material receiving portion 222ba and a holding material sliding portion 222bb formed on both sides of the holding material receiving portion 222ba.
The holding material receiving portion 222ba is formed so that the holding material 270 is engaged therewith. The holding material receiving portion 222ba has a concave shape that is recessed in the upward direction Z1 from the end of the side end portion 222a on the frame attachment portion 221 side.
The holding material sliding portion 222bb is formed to guide the holding material 270 to the holding material receiving portion 222ba. The holding material sliding portion 222bb has a shape inclined from the end of the side plate end portion 222a on the frame attachment portion 221 side toward the holding material receiving portion 222ba.
The holding material receiving portion 222ba is formed between the power supply insertion portion 221c and the frame projection portion 221d in the longitudinal direction X.

The cover 230 is attached to the frame 220 so as to cover the light emitter 210. The cover 230 is formed of a diffusible material such as milky white acrylic resin, and diffuses light emitted from the light emitter 210.
The cover 230 includes a main cover portion 231 that covers the light emitter 210 and a cover engagement portion 232 that covers the side of the frame 220 from each end of the main cover portion 231. The cover 230 is formed such that the main cover portion 231 and the cover engaging portion 232 are continuous in the longitudinal direction X.

  The lid 240 is provided at an end portion in the longitudinal direction X of the light source unit 200, closes the opening in the longitudinal direction X of the cover 230, and distributes light emitted from the light emitting unit 210 in the longitudinal direction X.

A connecting metal fitting 250 is fixed to the power supply mounting surface 221b of the frame mounting portion 221. The connection fitting 250 is substantially L-shaped, and fixes the light source unit 200 to the instrument main body 100. As shown in FIG. 9, the connecting fitting 250 includes a fitting fixing portion 251 that fixes the connecting fitting 250 to the frame attachment portion 221, and a spring connecting portion 252 provided substantially perpendicular to the fitting fixing portion 251.
The spring connecting portion 252 has an opening on which the spring 160 is hooked. Through this opening, the spring connecting portion 252 and the spring arc portion 162 of the spring 160 are engaged, and the light source unit 200 is fixed to the instrument main body 100.

The power supply device 260 is disposed on the power supply attachment surface 221 b of the frame attachment portion 221 and is electrically connected to the light emitting portion 210 via the light emitting portion electric wire 213.
As shown in FIG. 10, the power supply device 260 includes a power supply circuit unit 261, a power supply case 262 to which the power supply circuit unit 261 is attached, a power supply cover 263 attached to the power supply case 262 so as to cover the power supply circuit unit 261, The power supply connection part 264 which is arrange | positioned at the circuit part 261 and connects with the terminal block connection part 132 is provided.

The power supply circuit unit 261 converts electric power supplied from a commercial power supply (alternating current) into a direct current and outputs it, and a circuit board 261a on which circuit components (not shown) for lighting the light emitting unit 210 are mounted. And a terminal portion 261b.
The circuit board 261a is a substantially rectangular board on which circuit components (not shown) are mounted. As for the terminal part 261b, the terminal part 261b is mounted in each of the longitudinal ends of the circuit board 261a.
The terminal portion 261b has a polyhedral shape, and has a surface on which an electric wire insertion hole 261ba into which an electric wire is inserted is formed, and an electric wire release hole 261bb for removing the inserted electric wire. In addition, among the terminal portions 261b provided at both ends in the longitudinal direction of the circuit board 261a, the side for inputting the commercial power supply (alternating current) is input to the input terminal portion 261bc, and the direct current converted by the electric component is output to the light emitting portion 210. The side to be used is an output terminal portion 261bd.

  The power supply case 262 is formed to be longer than the power supply circuit unit 261 in the longitudinal direction X, and the case side surface projecting so as to be paired with a long plate-like case plane 262a and a long side of the case plane 262a. 262b.

The power supply cover 263 is formed to be shorter than the power supply circuit unit 261 in the longitudinal direction X. The cover surface 263a faces the electrical components of the power supply circuit unit 261, and the cover end surfaces 263b provided at both ends of the cover surface 263a in the longitudinal direction X. And cover side surfaces 263c provided at both ends in the lateral direction Y of the cover surface 263a.
The power supply cover 263 is attached to the power supply case 262 so as to cover the electrical components of the power supply circuit unit 261 and not the input terminal unit 261bc and the output terminal unit 261bd.

The power supply connection unit 264 is attached to the input terminal unit 261bc of the power supply circuit unit 261, and is connected to the terminal block connection unit 132 to supply an alternating current to the power supply circuit unit 261.
The power supply connection portion 264 includes a power supply wire 264a having one end inserted into the wire insertion hole 261ba of the input terminal portion 261b, and a wire connector 264b provided at the other end of the power supply wire 264a.

The power supply device 260 has a step. This step is formed by one of the members adjacent in the longitudinal direction X protruding so as to be higher than the other member in the vertical direction Z or being recessed so as to be lower. For example, the step includes a high portion having a first height and a low portion having a second height lower than the first height.
In the power supply device 260, the power supply cover 263 is formed shorter than the power supply case 262 in the longitudinal direction X, and a step is formed so that the power supply cover 263 protrudes from the power supply case 262 in the vertical direction Z. At this time, the cover surface 263a of the power supply cover 263 becomes a high portion, and the distance from the case bottom surface 262a to the cover surface 263a becomes the first height. The end surface of the case side surface 262b is the bottom, and the distance from the case bottom surface 262a to the end surface of the case side surface 262b is the second height.

The holding member 270 fixes the power supply device 260 to the frame 220 of the light source unit 200. The holding member 270 straddles the power supply device 260 in the short direction Y and straddles the power supply device 260 so as to face the upper side Z1 side and both side surfaces of the short direction Y.
The holding member 270 is formed of an elastic material such as a stainless steel material or a spring steel material, and is provided so as to be paired with the presser 271 that contacts the power supply device 260 and the presser 271 as shown in FIG. A frame engagement portion 272 that engages with the frame 220 is included.
The holding member 270 is elastically deformed so that the pair of frame engaging portions 272 approach each other around a place where the case pressing portion 271b and the inner leg portion 272a intersect.

The presser portion 271 has a presser flat surface portion 271a and a case presser portion 271b. The presser flat surface portion 271a has a substantially plate shape and is formed with a holding material side release hole 271c. The case pressing portion 271b is formed obliquely so as to be away from each of the opposing sides of the pressing flat surface portion 271a.
In the state where the holding member 270 fixes the power supply device 260 to the frame 220, the presser portion 271 has the presser flat surface portion 271a facing the terminal portion 261b, and the case presser portion 271b faces the end surface of the case side surface 262b toward the frame attachment portion 221. It is formed to press. Since the presser flat surface portion 271a does not press the terminal portion 261b, the load on the power supply circuit 261 is suppressed.
At this time, the holding material side release hole 271c faces the wire release hole 261bd. Therefore, the terminal part 261b can remove the electric wire inserted through the holding material releasing hole 271c even in a state where the electric wire holding part 270 is attached.

The frame engaging portion 272 has a substantially V shape and is provided at each end of the case pressing portion 271b of the pressing portion 271 so as to be paired.
The frame engaging portion 272 includes an inner leg portion 272a provided on the case pressing portion 271b side, an outer leg portion 272b provided on the side farther from the case pressing portion 271b, and an inner leg portion than the end portion of the outer leg portion 272b. It has a claw portion 272c projecting toward 272a.
The dimension F in the longitudinal direction X of the claw part 272c is formed to be substantially the same length as the dimension E (described in FIG. 8B) of the holding material receiving part 222ba in the longitudinal direction X.

The above is the overall configuration of the lighting fixture 1. Next, an outline of a method for fixing the power supply apparatus 260 according to the present invention will be described with reference to FIG. In FIG.
(A) shows the state before the power supply device 260 is attached to the frame 220.
(B) shows a state in which one end side of the power supply device 260 is hooked on the frame protrusion 221 d of the frame 220.
(C) shows a state where the power supply device 260 is arranged on the frame 220.
(D) shows a state in which the holding member 270 is attached to the frame 220 and the power supply device 260 is fixed.
(E) shows a state in which the claw portion 272 c of the holding material 270 is engaged with the holding material engaging portion 222 b of the frame 220.
In FIG. 12, the light emitting unit 210, the cover 230, the lid 240, the connecting metal fitting 250, and the like are not illustrated.

  First, as shown in FIG. 12A, the power supply device 260 is in a state before being attached to the frame 220, and the power supply attachment surface 221b of the frame 220 and the case bottom surface 262a of the power supply device 260 face each other.

Next, as illustrated in FIG. 12B, the worker who attaches hooks one end of the case bottom surface 262 a of the power supply device 260 to the frame protrusion 221 d of the frame 220.
At this time, the power supply device 260 is hooked so that the output terminal portion 261bd is on the electric wire insertion portion 221c side.

Next, as shown in FIG. 12C, the operator uses the one end side of the hooked power supply device 260 as an axis, and the other end of the power supply device 260 so that the case bottom surface 262a contacts the power supply mounting surface 221b. The power supply device 260 is disposed on the frame 220 by rotating the side.
At this time, the power supply device 260 is disposed on the frame 220 such that the output terminal portion 261bd is lateral to the holding member engaging portion 222b of the frame 220 in the short direction Y.

Next, as shown in FIG. 12D, the worker attaches the electric wire holding portion 270 to the frame 220 so as to straddle the power supply device 260. The other end side of the power supply device 260 is fixed to the frame 220 by a holding member 270.
The holding member 270 straddles the power supply device 260 so that the presser portion 271 faces the output-side terminal portion 261bd and the frame engaging portion 272 faces the case side surface 262b, and the frame engaging portion 272 It engages with the holding member engaging portion 222b and is attached to the frame 220. The holding member 270 suppresses the movement of the power supply device 260 in the vertical direction Z by being attached to the frame 220 so that the pressing portion 271 sandwiches the power supply device 260 together with the power supply attachment surface 221b.
At this time, as shown in FIG. 12E, the holding member 270 engages the holding member receiving portion 222ba with the claw portion 272c of the frame engaging portion 272. In the holding material 270, the dimension F of the claw portion 272c and the dimension E of the holding material receiving portion 222ba are formed to have substantially the same length, and the movement in the longitudinal direction X is suppressed. The longitudinal direction X is a direction along the power supply mounting surface 221b.

Further, as shown in FIG. 12D, the holding member 270 faces the cover end surface 263b side of the power supply case 263 in the longitudinal direction X so as to come into contact therewith. Therefore, the power supply device 260 can be prevented from moving toward the electric wire insertion portion 221c along the power supply attachment surface 221b of the frame 220.
That is, the holding member 270 can be attached to the end surface of the case side surface 262b that is the lower part of the step of the power supply device 260, thereby suppressing the movement of the power supply device 260 in the longitudinal direction X.
Furthermore, the holding member 270 can hold the power supply device 260 firmly because the pressing portion 271 presses the end surface of the case side surface 262b toward the power supply mounting surface 221b, and the movement in the longitudinal direction X is further improved. Can be suppressed.

The above is the method for fixing the power supply device 250. Next, an outline of a method for fixing the holding member 270 to the frame 220 will be described with reference to FIG. In FIG.
(A) shows a state before the holding member 270 is attached to the frame 220.
(B) shows a state in which the holding member 270 is elastically deformed on the frame 220.
(C) shows a state in which the holding member 270 is attached to the frame 220.
Note that FIG. 13 is a diagram in which the light emitting unit 210, the cover 230, the lid 240, the connecting metal fitting 250, and the like are omitted.

First, as illustrated in FIG. 13A, the power supply device 260 is disposed on the frame 220 and the holding member 270 is not attached.
In the lateral direction Y, the holding member 270 has a dimension G between the paired outer leg portions 272b that is substantially the same as a dimension H between the opposing surfaces of the frame side surface 222 that forms the pair of the frame 220. It is formed to be larger than the dimension I between the side surface end portions 222 a that form a pair of 220.

Next, as shown in FIG. 13B, the operator elastically deforms the holding member 270 so that the frame engaging portions 272 approach each other.
In a state where the holding member 270 is elastically deformed, the dimension G of the paired outer leg portion 272b is reduced, and the frame engaging portion 272 is inserted between the case side surface 262b of the power supply device 260 and the frame side portion 222 of the frame 220. It becomes possible to put. For example, the dimension G is smaller than the dimension I of the paired side surface end portions 222a.

Next, as shown in FIG. 13C, the operator puts the holding member 270 into the pair of frames 220 so that the pair of frame engaging portions 272 are close to each other so as to straddle the power supply device 260. It inserts between the frame side parts 222 which become. The operator releases the elastic deformation of the frame engaging portion 272 after inserting the holding member 270 into the frame 220.
When the elastic member is released from the holding member 270, the pair of frame engaging portions 272 spreads away from each other. The holding member 270 whose elastic deformation has been released is fixed to the frame 220 by the claw portion 272c of the frame engaging portion 272 being inserted into the holding member engaging portion 222b and engaging with the holding member receiving portion 222ba.
At this time, in the pressing portion 271, the case pressing portion 271 b presses the case side surface 262 b of the power supply case 262 toward the power supply mounting surface 221 b, and the power supply device 260 is fixed to the frame 220.

In FIG. 13C, the holding member 270 is engaged so that the claw portion 272c presses the holding member receiving portion 222ba by the restoring force of the frame engaging portion 272. The pressing portion 271 presses the power supply device 260 toward the power supply mounting surface 221b by a reaction force generated by the holding material receiving portion 222ba receiving the pressing force of the claw portion 272c.
Further, the holding member 270 is provided so that the case pressing portion 271b presses the end surface of the case side surface 262b and the pressing flat surface portion 271a does not press the terminal block 261b, so that the terminal block 261b, the circuit board 261a, and the terminal are provided. The power supply device 260 can be held while suppressing a load on a portion of the base 261b to be mounted on the circuit board 261a.
The holding material engaging portion 222b is provided with a holding material sliding portion 222bc. When the elastic deformation of the holding material 270 is released, even if the claw portion 272c deviates in the longitudinal direction X from the holding material receiving portion 222ba, it is guided to the holding material receiving portion 222ba by contacting the holding material sliding portion 222bc. Can be engaged.

  In the present embodiment, the light source unit 200 includes a light emitting unit 210, a light emitting unit mounting surface 221a on which the light emitting unit 210 is disposed, and a frame 220 having a power supply mounting surface 221b provided on the back side of the light emitting unit mounting surface 221a. And a power supply device 260 that is an electrical component disposed on the power supply mounting surface 221b, and a holding member 270 that holds the power supply device 260 on the power supply mounting surface 221b. The holding member 270 is engaged with the frame 220 in a state of being sandwiched between the power supply attachment surface 221b and the power supply device 260, and the power supply device 260 is simply attached to the frame 220 from the upper Z1 side. 220 can be fixed. Therefore, the light source unit 100 can be assembled with a small number of work steps, and can be easily assembled.

Further, in the light source unit 200 of the present embodiment, the holding member 270 is provided in a pair so that the power supply device 260 is sandwiched between the holding member 270 and the power supply device 260 together with the power supply mounting surface 221b. And a frame engaging portion 272 that engages with.
The holding member 270 suppresses the movement of the power supply device 260 in the upward direction Z1 by the presser portion 271, and the frame engagement portion 272 suppresses the movement of the power supply device 260 in the short direction Y. It can be fixed to the frame 220.

  In the present embodiment, the frame 220 is provided with a holding member engaging portion 222ba that engages with the frame engaging portion 272 of the holding member 270. Since the holding member receiving portion 222ba of the holding member engaging portion 222b and the claw portion 272c of the frame engaging portion 272 are formed to have substantially the same length, the holding member 270 moves in the longitudinal direction X. Can be suppressed.

  In the present embodiment, the light source unit 200 is configured such that one end side of the power supply device 260 is hooked on the protrusion 221 d of the frame 220, and the holding member 270 is on the cover end surface 263 b side of the power supply case 263 on the other end side of the power supply device 260. The power supply device 260 can be prevented from moving in the longitudinal direction X by being disposed on the case side surface 262b that is the bottom of the step of the power supply device 260 in a state of facing the power supply 260.

Further, in the present embodiment, the holding member 270 is engaged so that the claw portion 272c presses against the holding member receiving portion 222ba, and the presser portion 271 is generated by a reaction force generated by the engagement. Can press the power supply device 260 toward the power supply mounting surface 221b.
Further, the holding member 270 includes a presser flat surface portion 271a provided so that the presser portion 271 that presses the power supply device 260 against the frame 220 faces the terminal portion 261b, and a case presser portion 271b that presses the end surface of the case side surface 262b. Since the presser flat surface portion 271a does not press the terminal portion 261b, the load on the power supply circuit portion 261 can be suppressed and the power supply device 260 can be fixed.

  In the present embodiment, the holding member 270 is formed to be elastically deformable, so that the holding member 270 can be pushed between the frame side portions 222 of the frame 220 while straddling the power supply device 260. So it can be assembled easily.

Further, in the light source unit 200 of the present embodiment, the power supply circuit 260 is fixed to the frame 220 when the frame side portion 221 is engaged with the holding member 270. Therefore, it is necessary to provide a slide groove in the frame attachment portion 221. The frame attachment portion 221 can be formed in a plate shape.
Therefore, in the state where the light source unit 200 is attached to the instrument main body 100, the ratio of the frame 220 to the inside of the housing recess 110 can be reduced, and the internal space of the housing recess 110 can be used efficiently.

  In addition, the light source unit 200 according to the present embodiment is coated on the case pressing portion 271b that comes into contact with the end surface of the case side surface 262b of the power supply device 260 and the place where the power supply mounting surface 221a of the frame 220 and the frame engaging portion 272 contact each other. Alternatively, no coating material may be provided. By not providing the coating or coating material, the power supply device 260 and the frame 220 can be electrically connected and the power supply device 260 can be grounded.

  In the present embodiment, the power supply device 260 has been described with respect to the specification in which one end of the case bottom surface 262a is hooked on the frame protrusion 221d and the other end side is provided with the holding member 270 and fixed to the frame 220. However, the one end side may also be fixed by the holding material 270.

  In this embodiment, the step of the power supply device 260 has been described with respect to the specification in which the step is formed with the cover surface 263a of the power supply cover 263 as the high portion and the end surface of the case side surface 262b as the bottom. As long as it is formed by adjoining members having different heights. For example, a step may be formed by projecting or denting a part of the end surface of the case side surface 262b. Further, a step may be formed by adding a member that becomes a high portion or a bottom portion.

  In the present embodiment, the holding member 270 is provided so that the inner leg portion 272a abuts the frame mounting portion 221 and the specification of straddling the power supply device 260 by the presser portion 271 and the inner leg portion 272a has been described. The holding member 270 may straddle the power supply device 260 with the inner leg portion 272a facing a part of the case side surface 262b. For example, the inner leg portion 272a may be formed so as not to contact the frame attachment portion 221.

Embodiment 2. FIG.
Next, the light source unit 300 of Embodiment 2 is demonstrated with reference to FIG. 14 and FIG. The light source unit 300 according to the present embodiment has a power supply device 310 different from that of the light source unit 200 of the first embodiment, and the same or corresponding parts as those of the first embodiment are denoted by the same reference numerals and redundant descriptions are provided. Omitted.

  FIG. 14 is a perspective view of the light source unit 300. In the light source unit 300, the power supply device 310 is fixed to the frame 220 by a holding material 270.

FIG. 15 is a perspective view of the power supply device 310. The power supply device 310 includes a power supply cover 311. The power supply cover 311 has a cover surface 311 a and a step portion 312.
The cover surface 311a is a surface facing an electric component (not shown) of the power supply circuit 261. The step portion 312 is formed so as to be recessed in the downward direction Z2 at the approximate center in the longitudinal direction X of the cover surface 311a.
The step portion 312 has a step portion bottom surface 312a and a step portion side surface 312b. The step portion 312 forms a step with the step portion bottom surface 312a as a low portion and the cover surface 311a as a high portion. Further, the length in the longitudinal direction X of the stepped portion 312 is formed such that the pressing portion 271 of the holding material 270 can be inserted.

In the holding material 270, the holding portion 271 is inserted into the stepped portion 312, the frame engaging portion 272 engages with the holding material engaging portion 222 b in a state of straddling the power supply device 310, and the power supply device 310 is attached to the frame 220. Fix it.
At this time, the holding member 270 faces the stepped portion side surface 312b on both sides in the longitudinal direction X, thereby suppressing the movement of the power supply device 260 in the longitudinal direction X.
Therefore, the light source unit 300 has the step portion 312 in the power supply case 311 of the power supply device 310, so that the power supply device 310 can be fixed with only one holding member 270 and can be easily assembled. it can.

  In the present embodiment, the power supply device 310 has been described with respect to the stepped portion 312 in which a part of the power supply cover 311 is recessed, but a convex portion that protrudes upward from the cover surface 311a of the power supply cover 311 in the upward direction Z1. May be provided in pairs to form a stepped portion. At this time, a step is formed in which the top surface of the convex portion is a high portion and the cover surface 311a is a low portion.

Embodiment 3 FIG.
Next, the light source unit 400 of Embodiment 3 is demonstrated with reference to FIGS. The light source unit 400 according to the present embodiment has a holding material 410 that is different from the light source unit 200 of the first and second embodiments. The same or corresponding parts as those in the first embodiment and the second embodiment are denoted by the same reference numerals, and redundant description is omitted.

  16 is a perspective view of the light source unit 400, FIG. 17 is a sectional view taken along the line JJ ′ of the light source unit 400 shown in FIG. 16, FIG. 18 is a front view of the holding member 410 shown in FIG. FIG. 17 is a front view of the frame 420 shown in FIG. 16. In the light source unit 400, the power supply device 260 is fixed to the frame 420 by the electric material holding member 410.

The holding member 410 includes a pressing portion 411 that comes into contact with the power supply device 260 and a frame engaging portion 412 that is provided so as to be paired with the pressing portion 411.
The frame engaging portion 412 has an inner leg portion 412a provided on the presser portion 411 side and an outer leg portion 412b provided on the side farther from the inner leg portion 412a than the presser portion 411.
As shown in FIG. 17, the inner leg portion 412 a is formed longer in the vertical direction Z than the power supply device 260.
The outer leg portion 412b is formed shorter than the inner leg portion 412a in the vertical direction Z, and has a claw portion 412c protruding from the end portion toward the inner leg portion 1321.

The frame 420 includes a frame attachment portion 421 formed in a plate shape, and a pair of frame side portions 422 that protrude in a direction intersecting the frame attachment portion 421 from each of the long side sides of the frame attachment portion 421.
One surface of the frame attachment portion 421 is a light emitting portion attachment surface 421a on which the light emitting portion 210 is disposed, and the other surface, which is the opposite surface of the light emitting portion attachment surface 421a, is a power supply attachment surface on which the power supply device 260 is disposed. 421b. The light emitting portion mounting surface 421a is a first mounting surface of the frame 420, and the power supply mounting surface 421b is a second mounting surface of the frame 420.
The frame side portion 422 is provided so as to be paired with the light emitting portion mounting surface 421a side of the frame mounting portion 421, and has an inner side surface 422a and an outer side surface 422b so as to form a recess. A side end portion 422c formed by folding is provided at the tip of the outer side surface 422b. The side end portion 423 is provided with a holding material receiving portion 422ca with which the holding material 410 is engaged.

The holding member 410 has an inner side surface 422a that is a recess of the frame side portion 422 so that the frame engaging portion 412 that is paired with the holding member 410 straddles the power supply device 260 in a state of being elastically deformed so as to approach each other. The outer leg portion 412b is inserted between the outer side surface 422b and the outer side surface 422b.
Then, in a state where the outer leg portion 412b is inserted between the inner side surface 422a and the outer side surface 422b, the elastic deformation is released, the claw portion 412c is engaged with the holding material receiving portion 422ca, and the holding material 410 is attached to the frame 420. Fixed to.
At this time, in the holding member 410, the presser portion 411 presses the power supply device 260 toward the power supply mounting surface 421 b, and the inner leg portion 412 a sandwiches the power supply device 260. Therefore, the holding member 410 can suppress the movement of the power supply device 260 in the short direction Y and can fix the power supply device 260 to the frame 420.

  In the light source unit 400 of the present embodiment, the inner leg portion 412a of the holding material 410 is formed longer than the power supply device 260 in the vertical direction Z, so that the frame side portion 422 is on the light emitting portion 210 side. Also, the power supply device 260 can be fixed.

  Further, the light source unit 400 is provided such that the frame 420 projects the frame side portion 422 toward the light emitting portion mounting surface 421a. Therefore, when the light source unit 400 is housed in the housing recess 110 of the instrument main body 100, the ratio of the frame 420 to the interior of the housing recess 110 can be reduced, and the internal space of the housing recess 110 can be used efficiently. it can.

  In any of the first to third embodiments described above, the specification for providing the power supply devices 240 and 310 on the power supply mounting surfaces 221b and 421b as the electrical components disposed on the frames 220 and 420 has been described. The electrical components are not limited to the power supply devices 260 and 310, and may be electrical components such as a terminal block, a light control device, and a communication device. Therefore, the holding members 270 and 410 can hold not only the power supply devices 260 and 310 but also electric components such as a terminal block, a light control device, and a communication device. Moreover, you may arrange | position a several electrical component in the power supply attachment surfaces 221b and 421b.

  Further, in any of the above-described first to third embodiments, the specification of providing the spring 140 in the instrument body 100 and providing the connection fitting 260 in the light source unit 200 has been described. 260, and the light source unit 200 may include a spring 140.

  Further, in any of the above-described first to third embodiments, the main cover portion 231 of the cover 230 has been described with respect to the specification of a substantially arc shape. The specification may be such that a plurality of irregularities are provided on the side surface. Moreover, the specification which combined several covers may be sufficient.

  Moreover, although the reverse Fuji type lighting fixture attached to a ceiling etc. was demonstrated, the shape will not be limited if it is not only a reverse Fuji type shape but a lighting fixture.

  The first to third embodiments can be combined as appropriate. It is also possible to extract a part of the first to third embodiments and combine them. Furthermore, it is not limited to the first to third embodiments, but can be changed as appropriate.

X Longitudinal direction, Y transverse direction, Z vertical direction, Z1 upward direction, Z2 downward direction, 1 lighting device, 100 instrument body, 110 receiving recess, 110a bottom part, 110aa power supply hole, 110ab fixing hole, 110b side part, 111 Inclined portion, 112 side plate, 112a side plate main body, 112b side plate collar, 120 spring, 121 spring fixing portion, 122 spring arc portion, 123 spring tip, 130 terminal block, 131 terminal block main body portion, 132 terminal block connecting portion, 132a Terminal block wire, 132b Terminal block connector, 200 light source unit, 210 light emitting part, 211 light emitting element, 212 substrate, 213 light emitting part electric wire, 220 frame, 221 frame attaching part, 221a light emitting part attaching surface, 221b power supply attaching surface, 221c electric wire Insertion part, 221d Frame projection part, 222 Frame side part, 22 a side end, 222b holding material engaging portion, 222ba holding material receiving portion, 222bb holding material sliding portion, 230 cover, 231 main cover portion, 232 cover engaging portion, 240 lid, 250 connecting bracket, 251 fixing fixture , 252 spring connection part, 252a connection opening part, 260 power supply device, 261 power supply circuit, 261a circuit board, 261b terminal part, 261ba wire insertion hole, 261bb wire release hole, 261bc input terminal part, 261bd output terminal part, 262 Power supply case, 262a Case bottom surface, 262b Case side surface, 263 Power supply cover, 263a cover surface, 263b Cover end surface, 263c Cover side surface, 264 Power supply connection part, 264a Power supply cable, 264b Power supply connector, 270 Holding material, 271 Presser part, 271a Presser Flat part, 271b Presser part, 271c Holding material side release hole, 272 Frame engaging part, 272a Inner leg part, 272b Outer leg part, 272c Claw part, 300 Light source unit, 310 Power supply unit, 311 Power supply cover, 312 Step part, 312a Step part Bottom surface, 312b Stepped portion side surface, 400 Light source unit, 410 Holding material, 411 Presser portion, 412 Frame engaging portion, 412a Inner leg portion, 412b Outer leg portion, 412c Claw portion, 420 frame, 421 Frame attaching portion, 421a Light emitting portion Mounting surface, 421b Power supply mounting surface, 422 Frame side portion, 422a Inner side surface, 422b Outer side surface, 422c Side end portion, 422ca Holding material receiving portion.

Claims (7)

A light emitting unit;
A first mounting surface on which the light emitting unit is disposed, a frame having a second mounting surface provided on the back side of the first mounting surface;
An electrical component disposed on the second mounting surface;
A holding material for holding the electrical component on the second mounting surface;
A light source unit comprising:
The holding material is
The light source unit, wherein the light source unit is engaged with the frame in a state of straddling the electric component disposed between the second mounting surface and the second mounting surface. In the state where the holding member holds the electric component on the second mounting surface,
A presser that sandwiches the electrical component together with the second mounting surface;
A pair of the presser portions so that the electric parts are disposed therebetween, and a frame engaging portion engaged with the frame;
The light source unit according to claim 1, comprising: The frame has a holding material receiving portion that engages with the frame engaging portion,
The light source unit according to claim 2, wherein a width of the holding material receiving portion is formed to be the same as a width of the frame engaging portion.   In the frame, the frame engaging portion presses the frame, and the pressing portion presses the electrical component toward the second mounting surface by a reaction force pressing the frame of the frame engaging portion. The light source unit according to claim 2, wherein the light source unit is a light source unit. In the state where the electrical component is disposed on the frame, the distance from the second mounting surface of the frame is a high portion where the distance from the second mounting surface of the frame is a first distance. Having a step consisting of a lower portion having a second distance shorter than the first distance,
The light source unit according to any one of claims 1 to 4, wherein the holding member is engaged with the frame in a state of straddling a low part of the step.   The light source unit according to any one of claims 1 to 5, wherein the holding member is a spring member. The light source unit according to any one of claims 1 to 6,
An instrument body to which the light source unit can be attached,
The said fixture main body has the accommodation recessed part in which the said electrical component side of the said light source unit is accommodated, The lighting fixture characterized by the above-mentioned.