JP6861499B2 - How to install the lighting device and light source unit - Google Patents

Description

The present invention relates to a luminaire main body and a luminaire device including a light source unit that can be attached to and detached from the luminaire main body.

Conventionally, a light source unit that can be attached to and detached from a luminaire body that is attached to the ceiling is attached to the luminaire body by a pulling force of a spring (Patent Document 1).

Japanese Unexamined Patent Publication No. 2014-232713

However, in order to attach the light source unit to the luminaire body using a spring, for example, the installation operator elastically deforms the spring, hooks the spring into the opening provided in the luminaire body, and then pulls the spring. The light source unit was attached to the main body of the luminaire, and the work of attaching the light source unit was troublesome.

An object of the present invention is to provide a lighting device including a lighting device main body and a light source unit that can be attached to and detached from the lighting device main body, and the light source unit can be easily attached to the lighting device main body.

The lighting device of the present invention
In a lighting device including a luminaire main body and a light source unit detachably attached to the luminaire main body.
The luminaire body
It has a first main body side support portion and a second main body side support portion.
The light source unit is
It has a translucent cover and a cover mounting portion to which the cover is attached, one end of the cover mounting portion is supported by the first main body side support portion, and the other end of the cover mounting portion is supported. The end portion is supported by the second main body side support portion.

According to the lighting device of the present invention, the light source unit can be easily attached to the main body of the lighting equipment.

FIG. 6 is a perspective view of the lighting device 300 in the figure of the first embodiment. FIG. 6 is an exploded perspective view of the lighting device 300 in the figure of the first embodiment. FIG. 6 is an exploded perspective view of the luminaire main body 100 in the figure of the first embodiment. FIG. 6 is an exploded perspective view of the light source unit 200 in the figure of the first embodiment. FIG. 6 is a perspective view of a frame 120 in the figure of the first embodiment. Another perspective view of the frame 120 in the figure of the first embodiment. FIG. 1 is a plan view of the frame 120 as viewed from the F direction of FIG. FIG. 6 is a schematic view corresponding to a cross section taken along the line BB of FIG. 7 in the figure of the first embodiment. In the figure of the first embodiment, the Z-direction arrow view in FIG. 1 of the lighting device 300. In the figure of the first embodiment, the light source unit 200 is removed from the lighting device 300 of FIG. FIG. 10 is a sectional view taken along the line CC of FIG. FIG. 6 is a perspective view of the light source unit 200 in the figure of the first embodiment. In the figure of the first embodiment, the arrow in the Y direction of FIG. FIG. 3 is a three-view view of the light source unit 200 in the figure of the first embodiment. FIG. 1 is a diagram showing a process in which an operator attaches a light source unit 200 to an instrument main body 100 fixed to a ceiling in the figure of the first embodiment. FIG. 1 is a diagram of the first embodiment, which is a cross section with the X direction of FIG. 1 as a normal, and is a schematic view showing the relationship between the light source unit 200 and the frame 120 in the Y direction.

Embodiment 1.
FIG. 1 is a perspective view of the lighting device 300. FIG. 2 is an exploded perspective view of the lighting device 300. FIG. 3 is an exploded perspective view of the luminaire main body 100. FIG. 4 is an exploded perspective view of the light source unit 200.

Although the XYZ coordinates are shown in FIG. 1 and the like, according to FIG. 3, the X direction is the direction from the leaf spring 141 to the leaf spring 142. The Y direction is a direction from the case side surface portion 114 toward the case side surface portion 111. The Z direction is the direction from the light source unit 200 toward the fixture body 100 as shown in FIG. In the drawings other than those in FIGS. 1 to 4, the directions of X, Y, and Z are the same as those in FIGS. 1 to 4.

In the following description, the opening 101 of the instrument body 100 and the opening 125 of the frame 120 will appear, but the opening 101 is the opening 125 itself. Further, one end 201 and the other end 202 of the light source unit 200, one end 217 of the LED mounting plate 210 and the other end 218 appear, but one end 201 and the other of the light source unit 200 appear. The end portion 202 of the LED mounting plate 210 is one end portion 217 and the other end portion 218 of the LED mounting plate 210, respectively.

FIG. 5 is a perspective view of the frame 120. FIG. 6 is another perspective view of the frame 120. FIG. 7 is a plan view of the frame 120 as viewed from the F direction of FIG. FIG. 8 is a schematic view corresponding to the BB cross section of FIG. FIG. 9 is a Z-direction arrow view in FIG. 1 of the lighting device 300. FIG. 10 is a diagram in which the light source unit 200 is removed from the lighting device 300 of FIG. FIG. 11 is a cross-sectional view taken along the line CC of FIG. FIG. 12 is a perspective view of the light source unit 200. FIG. 13 is an arrow view in the Y direction of FIG. FIG. 14 is a three-view view of the light source unit 200. FIG. 15 is a diagram showing a process in which an operator attaches the light source unit 200 to the instrument main body 100 fixed to the ceiling. FIG. 16 is a cross section with the X direction of FIG. 1 as a normal, and is a simplified view showing an attached state of the light source unit 200 and the frame 120.

*** Explanation of configuration ***
The lighting device 300 includes a lighting fixture main body 100 and a light source unit 200. As shown in FIG. 2, the lighting device 300 includes a lighting fixture main body 100 and a light source unit 200 detachably attached to the lighting fixture main body 100. The lighting device is sometimes called a lighting device, but in the first embodiment, the term of the lighting device will be used for description. Further, the lighting fixture main body 100 will be referred to as a fixture main body 100 hereafter.

(Instrument body 100)
As shown in FIG. 3, the appliance main body 100 includes a case 110, a frame 120, a power supply unit 130, a leaf spring 141, a leaf spring 142, a power supply terminal block 150, a dimming terminal block 160, a power supply side harness 170, and a screw 180. ing. A power supply unit 130, a leaf spring 141, a leaf spring 142, a power supply terminal block 150, a dimming terminal block 160, and a power supply side harness 170 having a connector 171 at the tip are attached to the case 110. Further, the case 110 is formed with a power supply line hole 117 through which the power supply line passes, a dimming signal line hole 118 through which the dimming signal line passes, and a mounting hole 119 through which the mounting bolt passes.

(Case 110)
As shown in FIG. 3, the case 110 includes a square plate-shaped case bottom surface portion 115 and case side surface portions 111 to 114. Since the power supply unit 130, which is a power supply device 9130, is arranged on the case side surface portion 111, the case side surface portion 111 is higher in height than the case side surface portions 112 to 114.

(Frame 120)
The frame 120 is attached to the case 110 in which the power supply unit 130 and the like are attached with four screws 180. The frame 120 is an outer shape of a square frame shape. The outer shape of the frame 120 has a frame bottom surface portion 120A in which a quadrangular opening 125 represented by pqrs is formed, and four frame side surface portions 120B-1 to 120B-4. At the opening 125, the first leg portion 123 rises from the edge represented by s and r. The end of the rise of the first leg 123 is bent. Of the first leg portion 123, the portion rising from the edge indicated by s and r is the side surface portion 123b, and the bent portion at the tip is the mounting portion 123a of the case 110 that receives the case 110. As shown in FIG. 6, the first leg 123 is paired with the second leg 124 rising from the edge represented by p, q. The second leg portion 124, like the first leg portion 123, has a side surface portion 124b and a mounting portion 124a. The mounting portion 124a and the mounting portion 123a face each other.

(First main body side support portion 121 and second main body side support portion 122)
Further, in the opening 125, the first opening side wall 127 rises from the edge represented by p and s. The end of the first opening side wall 127 is bent, and this portion is the first main body side support portion 121. The first main body side support portion 121 supports one end portion 217 of the LED mounting plate 210. Similarly, in the opening 125, the second opening side wall 128 rises from the edge represented by q and r. The end of the second opening side wall 128 is bent, and this portion is the second main body side support portion 122. The second main body side support portion 122 supports the other end portion 218 of the LED mounting plate 210.

Since the frame 120 is a component of the instrument main body 100, the instrument main body 100 has a first main body side support portion 121 and a second main body side support portion 122.

(Power supply unit 130)
As shown in FIG. 10, when viewed from the Z direction, the power supply line hole 117, the dimming signal line hole 118 and the mounting hole 119 are arranged inside the opening 101, and the leaf springs 141 and 142 and the power supply terminal block are also arranged. The 150 and the dimming terminal block 160 are also arranged inside the opening 101. That is, in FIG. 10, the power supply line hole 117 and the like can be seen from the opening 101 (pqrs). On the other hand, since the power supply unit 130 is arranged outside the opening 101, it cannot be seen from the opening 101. Explaining with reference to FIG. 16, the power supply unit 130 has a side surface portion 123b which is a first side wall 9123b rising from the edge of the opening 101 and a frame side surface which is a second side wall 9120B arranged to face the side surface portion 123b. Since it is arranged between the portions 120B-3, it cannot be seen from the opening 101 in FIG. The power supply unit 130 supplies electric power to the LED module 230 on which a plurality of LEDs, which are light sources, are mounted.

As shown in FIG. 3, the frame 120 is attached to the case 110 in which the power supply unit 130 and the like are attached with four screws 180.

(Light source unit 200)
As shown in FIG. 4, the light source unit 200 includes an LED mounting plate 210, a cover 220, an LED module 230, a cover mounting bracket 240, a light source side harness 250, screws 260, and screws 270. The LED mounting plate 210 includes a square plate-shaped mounting bottom surface portion 215 and mounting side surface portions 211 to 214. The LED module 230 in which a plurality of LEDs are arranged as a light source is attached to the LED mounting plate 210 with four screws 260. The cover 220 includes a square cover bottom surface portion 221 that serves as a light emitting unit 203, a pair of cover side surface portions 222 and a cover side surface portion 223 that rise from the respective side sides of the cover bottom surface portion 221 in the X direction, and cover mounting. It includes a pair of cover-side fixing portions 224 and a cover-side fixing portion 225 that are pressed by the metal fitting 240. The cover 220 is attached to the LED mounting plate 210 by pressing the pair of cover-side fixing portions 224 and 225 with the cover mounting bracket 240, respectively. Each cover mounting bracket 240 is attached to the LED mounting plate 210 with two screws 270.

The appliance body 100 is directly attached to the ceiling with mounting bolts and nuts (not shown) using the mounting holes 119 of the case 110. The operator attaches the light source unit 200 to the instrument body 100 directly attached to the ceiling.

The specific mounting process for mounting the light source unit 200 to the fixture body 100 will be described later with reference to FIG. 15, but the light source unit 200 is supported by the fixture body 100 as follows. As shown in FIG. 8, one end 217 (FIG. 12) and the other end 218 (FIG. 12) of the LED mounting plate 210 are the first main body side support 121 and the first of the frame 120, respectively. The light source unit 200 is attached to the instrument main body 100 by being supported by the main body side support portion 122 of 2.

The light source unit 200 attached to the instrument main body 100 is pushed downward (in the direction opposite to the ceiling) by the leaf springs 141 and 142, and the positions in the Z1 direction and the Z2 direction shown in FIG. 15A are stable. In FIG. 15A, the length H1 is the distance between the lower surface of the leaf spring 142 and the upper surface of the second main body side support portion 122 in the Z1 direction. In FIG. 15 (c) showing a state in which the light source unit 200 is attached to the instrument main body 100, the length H2 is the distance between the lower surface of the leaf spring 142 and the upper surface of the second main body side support portion 122 in the Z1 direction. .. The length H2> the length H1, and the leaf spring 142 elastically deformed in the Z1 direction by "H2-H1" presses the light source unit 200 against the second main body side support portion 122 by elastic force. The same applies to the leaf spring 141. In the lighting device 300, the fixture main body 100 has leaf springs 141 and 142 that elastically press the light source unit 200 against the first main body side support portion 121 and the second main body side support portion 122. It may be one or three or more. Further, a coil spring may be used instead of the leaf spring, or both a leaf spring and a coil spring may be used.

*** Explanation of the installation process of the light source unit 200 ***
FIG. 15 is a schematic view illustrating attachment steps (a) to (c) for attaching the light source unit 200 to the opening 101. The series of steps (a) to (c) of FIG. 15 described below is a method of attaching the light source unit 200 to the instrument main body 100. The attachment process for attaching the light source unit 200 to the instrument main body 100 will be described with reference to FIG. Before the process of FIG. 15, the operator connects the connector 171 of the power supply side harness 170 and the connector 251 of the light source side harness 250. In FIG. 15, the power supply side harness 170 and the connector 171 and the light source side harness 250 and the connector 251 are omitted.

((A) in FIG. 15)
FIG. 15A will be described.
The fixture body 100 has a first storage space 104-1 in which one end 217 of the LED mounting plate 210, which is a cover mounting portion 9210, is housed as a part of the internal space 104, and the other of the LED mounting plate 210. A second storage space 104-2 in which the end portion 218 is stored is formed.
First, the operator inserts one end 201 of the light source unit 200 diagonally into the opening 101 of the instrument body 100, and further inserts one end 201 from the opening 102 into the first storage space 104-1. .. The opening 101 of the instrument body 100 is the opening 125 (FIG. 2) of the frame 120 itself, and the opening 102 shown in (a) is formed in the instrument body 100 at the locations shown by the broken lines in FIGS. 5, 8 and 11. There is. The operator pushes up the leaf spring 141 with the light source unit 200 (LED mounting plate 210) so that the light source unit 200 enters between the leaf spring 141 and the first main body side support portion 121.
As shown in FIG. 15A, the instrument body 100 is an opening 101 and an internal space 104 continuing from the opening 101, and an upper space 104 continuing from the opening 101 in the Z1 direction, which is the direction of the normal line of the opening 101. -3, the first storage space 104-1 continuing in the lateral direction from the upper space 104-3 to the upper space 104-3, and continuing in the direction opposite to the upper space 104-3 to the first storage space 104-1. An internal space 104 including a second storage space 104-2 is formed. The step shown in FIG. 15A is a first insertion step of inserting one end 201 of the light source unit 200 into the first storage space 104-1.
As a result, the light source unit 200 is in the state shown in FIG. 15A.

(Dimensional relationship)
The dimensions of the opening 101 and the light source unit 200 will be described. In FIG. 2, the length L1 of the LED mounting plate 210 in the X direction is longer than the length between pq of the opening 101. Since the opening 101 is a quadrangle,
Length between pq = length between sr,
Is. This relationship is shown in FIG. In FIG. 2, the length L2 of the LED mounting plate 210 in the Y direction is the same as the length between ps of the opening 101, but is slightly shorter. Since the opening 101 is a quadrangle,
Length between ps = length between qr,
Is. The relationship in the X direction is shown in FIG.

((B) in FIG. 15)
In FIG. 15B, in a state where one end 201 of the light source unit 200 is inserted into the first storage space 104-1, the other end 202 of the light source unit 200 is inserted into the upper space 104-. Store in 3. When the other end 202 of the light source unit 200 also enters the internal space 104 through the opening 101, that is, when the other end 202 of the light source unit 200 is housed in the upper space 104-3, the operator can use the light source unit. The posture of the light source unit 200 is made horizontal with the 200 as a fulcrum at one end 201 that is in contact with the first main body side support portion 121. Here, the internal space 104 is a space that continues from the opening 101 in the Z1 direction in the instrument main body 100, as described in FIG. The internal space 104 is formed by a frame 120 and a case 110 (FIG. 3). In this case, as shown in (a) and (b), the lower surface of the cover 220 as one end 201 of the light source unit 200 is in contact with the first main body side support portion 121. The light source unit 200 is in a horizontal state as shown in FIG. 15 (b).

((C) in FIG. 15)
The operator slides the horizontal light source unit 200 horizontally in the X direction. By this slide, the lower surface of the cover 220 slides horizontally in the X direction with respect to the first main body side support portion 121. Then, the portion supported by the first main body side support portion 121 moves from the lower surface of the cover 220 to the lower side of one end portion 217 of the LED mounting plate 210. At this time, the lower side of the other end 218 of the LED mounting plate 210 is supported by the second main body side support 122. Then, the cover 220, which is the light source unit light emitting unit 203, fits into the opening 101. The light source unit 200 is in the state of (c), and the light source unit 200 is attached to the instrument main body 100.
That is, in the step shown in FIG. 15 (c), the light source housed in the upper space 104-3 with one end 201 of the light source unit 200 inserted in the first storage space 104-1. This is a step of inserting the other end 202 of the unit 200 into the second storage space 104-2.

When the light source unit 200 is attached to the instrument body 100, the cover 220 closes the opening 101. As shown in FIG. 8, in the X direction, the cover 220 closes the opening 101 with almost no gap. In other words
Length of cover 220 in X direction L3 ≒ length between sr,
Is.
Further, as shown in FIG. 16, the cover 220 also closes the opening 101 in the Y direction. The opening 101 has only a gap of about the thickness of the mounting side surface portions 211 and 213. It is also possible to eliminate the gap due to the above-mentioned plate thickness by setting the size of the bottom surface portion of the opening 101 of the cover 220, which is the position in the Z direction, to the size of the opening 101.

As shown in FIGS. 8 and 15 (c), the light source unit 200 has a translucent cover 220 and an LED mounting plate 210 which is a cover mounting portion 9210 to which the cover 220 is mounted. In the light source unit 200, one end 217 of the LED mounting plate 210 is supported by the first main body side support 121, and the other end 218 of the LED mounting plate 210 is supported by the second main body side support 122. There is. Specifically, one end 217 of the LED mounting plate 210 is supported while being mounted on the first main body side support 121, and the other end 218 of the LED mounting plate 210 is the second main body. It is supported while being mounted on the side support portion 122.

Further, (c) of FIG. 15 shows the completion of the installation of the light source unit 200, which corresponds to FIGS. 1, 16 and the like, but the fixture main body 100 has an opening 101 and an internal space 104 continuing from the opening 101. The cover 220 and the LED mounting plate 210 are housed in the internal space 104.

Further, when the light source unit 200 is attached to the instrument main body 100, the cover 220 closes the opening 101 (FIGS. 1, 9 and 15 (a)).

(Mounting bolt storage unit 103)
Further, when the light source unit 200 is attached to the instrument main body 100, the attachment bolts are accommodated in the attachment bolt storage portion 103, which is the space shown in FIG. 15 (c).

(First leg 123 and second leg 124)
The paired first leg 123 and the second leg 124 (FIG. 5) have a function of attaching the frame 120 to the case 110, but the side surface 123b and the second leg of the first leg 123 have a function of attaching the frame 120 to the case 110. The side surface portion 124b of the portion 124 has a function of a guide when the light source unit 200 is attached to the instrument main body 100. That is, as shown in FIG. 16, the side surface portion 123b and the side surface portion 124b guide the light source unit 200. The guide function can prevent the light source unit 200 from shifting in the Y direction.

(Removal process)
Next, a case where the operator removes the light source unit 200 from the instrument main body 100 will be described. The step of removing the light source unit 200 is a step in which the operator reverses the order of (a), (b), and (c) described in FIG. 15 in the order of (c), (b), and (a). A specific example will be briefly described below.

<Steps (c) → (b)>
The light source unit 200 is attached to the instrument main body 100 in a state as shown in FIG. There is no gap in the opening 101 for the operator's finger to enter. The operator puts his / her hand on the bottom surface portion 221 of the cover to lift the light source unit 200 in the horizontal state in the Z1 direction, and further slides the light source unit 200 in the opposite direction in the X direction in the horizontal state to the bottom surface portion 221 of the cover. A part is supported by the first main body side support portion 121. This is the state of FIG. 15 (b). In the state of FIG. 15B, the other end 202 of the light source unit 200 is visible from the opening 101 in the Z1 direction.

<Steps (b) → (a)>
Subsequently, in the state of FIG. 15B, the operator pulls down the other end 202 of the light source unit 200 in the X direction with one end 201 of the light source unit 200 in the X direction as a fulcrum. Then, the operator pulls out the light source unit 200 in the direction opposite to the insertion direction to remove the light source unit 200 from the instrument main body 100. In a series of steps for removing the light source unit 200 from the instrument body 100, the side surface portion 123b and the side surface portion 124b (FIG. 16) serve as guides for removal. Therefore, the operator removes the light source unit 200 from the instrument body 100 by the guide. Can be done.

As described in the attachment step of attaching the light source unit 200 to the fixture body 100 and the removal step of removing the light source unit 200 from the fixture body 100, the light source unit 200 is removable from the internal space 104 through the opening 101.

*** Explanation of the effect of Embodiment 1 ***
(1) In the lighting device 300, the LED mounting plate 210 and the cover 220 are housed in the internal space 104 of the fixture body 100, and only the cover bottom surface portion 221 of the light source unit 200, which is the light source unit light emitting unit 203, is exposed from the opening 125. Is. Therefore, according to the lighting device 300, it is possible to provide a lighting device in which screws or mounting portions do not appear on the design surface when the light source unit 200 is attached to the fixture main body 100.
(2) Further, in the lighting device 300, a plurality of LEDs 231 are arranged in the LED module 230 so as not to have directionality in the light distribution. Therefore, according to the lighting device 300, it is possible to provide a flat type removable light source unit having no directionality with respect to light distribution.
(3) In the lighting device 300, since there is no pulling-down operation when the light source unit 200 is removed, it is not necessary to secure convex portions and concave portions for the operator's fingers to hang.
(4) In the lighting device 300, the terminal block, the fixture mounting hole, and the like attached to the fixture main body 100 can be arranged in the Z1 direction with respect to the light source unit 200. Therefore, compared to arranging the terminal block or the like in the decorative frame space on the outer periphery of the light source unit 200, a wider space around the terminal block and the mounting hole can be secured, and the terminal block and the fixture mounting hole can be arranged in the light source unit. Wiring and equipment installation work is easier than arranging in the outer decorative frame space.

Although the structure of pressing the leaf spring 141 in the downward direction (Z2 direction) has been described, the leaf spring 141 may be configured to suppress the light source unit 200 from trying to move in the upward direction (Z1 direction) without pressing.

300 lighting device, 100 fixture body, 101 opening, 102 opening, 103 mounting bolt storage, 104 internal space, 104-1 first storage space, 104-2 second storage space, 104-3 upper space, 110 case , 111, 112, 113, 114 Case side surface, 115 Case bottom surface, 117 Power line hole, 118 Dimming signal line hole, 119
Mounting hole, 120 frame, 120A frame bottom part, 120B-1, 120B-2, 120B-3, 120B-4 frame side surface part, 121 first main body side support part, 122 second main body side support part, 123th 1 leg, 123a mounting, 123b side surface, 124 second leg, 124a mounting, 124b side surface, 125 opening, 127 first opening side wall, 128
Second opening side wall, 130 power supply unit, 141,142 leaf spring, 150 power supply terminal block, 160 dimming terminal block, 170 power supply side harness, 171 connector, 180 screws, 200 light source unit, 201 one end of light source unit 200 , 202 The other end of the light source unit 200, 203 Light source unit, Light emitting part, 210 LED mounting plate, 211,212,213,214 Mounting side surface, 215 Mounting bottom, 217 One end of LED mounting plate 210, 218 The other end of the LED mounting plate 210, 220 cover, 221 cover bottom, 222,223 cover side, 224,225 cover side fixing, 230 LED module, 231 LED, 240 cover mounting bracket, 250 light source side harness , 251 connector, 260 screws, 270 screws, 300 lighting device, second side wall, 9120B, 9123b first side wall, 9130 power supply, 9210 cover mounting part.

Claims (9)

In a lighting device including a luminaire main body and a light source unit detachably attached to the luminaire main body.
The luminaire body
It has a first main body side support portion and a second main body side support portion, and an opening is formed.
The first main body side support portion is arranged at a position away from the edge of the opening in the direction of the normal of the opening.
The second main body side support portion is arranged at a position separated from the edge of the opening toward the side in the normal direction of the opening.
The light source unit is
It has a translucent cover and a cover mounting portion to which the cover is attached, one end of the cover mounting portion is supported by the first main body side support portion, and the other end of the cover mounting portion is supported. A lighting device in which an end portion is supported by the second main body side support portion and the translucent cover fits into the opening. One end of the cover mounting portion
It is supported in a state of being mounted on the first main body side support portion, and is supported.
The other end of the cover mounting portion
The lighting device according to claim 1, wherein the lighting device is supported while being mounted on the second main body side support portion. The luminaire body
An internal space is formed that continues from the opening.
The cover and the cover mounting portion are
The lighting device according to claim 1 or 2, which is housed in the internal space. The cover is
The lighting device according to claim 3, wherein the lighting device fits into the opening and closes the opening. The luminaire body
A first side wall rising from the edge of the opening and
A second side wall arranged to face the first side wall,
The lighting device according to claim 3 or 4, further comprising a power supply device arranged between the first side wall and the second side wall to supply electric power to a light source. The light source unit is
The lighting device according to any one of claims 3 to 5, which is removable from the internal space through the opening. The luminaire body
As a part of the internal space, a first storage space in which one end of the cover mounting portion is housed and a second storage space in which the other end of the cover mounting portion is housed. The lighting device according to any one of claims 3 to 6, which is formed. The luminaire body
The illumination according to any one of claims 1 to 7, which has a spring that presses the light source unit against the first main body side support portion and the second main body side support portion by an elastic force. apparatus. An opening, an internal space continued from the opening, the upper space following the direction of the normal line of the opening, the continued comes from the headspace in the lateral direction of the upper space, of the opening from the surface forming the opening a first storage space which is located away to the side of the normal direction, can continue from the upper space in the opposite direction as the first housing space, the law of the opening from the surface forming the opening One end of the light source unit is inserted into the first storage space of the luminaire main body in which an internal space including a second storage space arranged at a position distant from the line direction is formed. The process of inserting and
A step of storing the other end of the light source unit in the upper space while one end of the light source unit is inserted into the first storage space.
With one end of the light source unit inserted into the first storage space, the other end of the light source unit housed in the upper space is inserted into the second storage space. , A method of attaching a light source unit, which comprises a step of fitting a cover of the light source unit into the opening.

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