JP2023107558A - Luminaire - Google Patents

Abstract

To protect a light distribution control member against shock while improving workability of assembly work.SOLUTION: A luminaire A1 comprises a light source unit 2, an appliance body supporting the light source unit 2, an LED module 3, and a light distribution control member 4 for controlling the distribution of light emitted from the LED module 3. The light source unit 2 comprises a fitting member 5 comprising a fitting surface 50 fitted with the LED module 3 and the light distribution control member 4, and a screw 52 screwed into a screw hole 51 provided in the fitting surface 50. The light source unit 2 comprises a supporting member 8 interposed between the screw 52 and the LED module 3 and supporting the LED module 3. The supporting member 8 comprises a contact part 83 capable of contacting the light distribution control member 4 when the light distribution control member 4 is deformed.SELECTED DRAWING: Figure 7

Description

Applied for application of Article 30, Paragraph 2 of the Patent Law Published June 15, 2021 in Sapporo, Hokkaido

TECHNICAL FIELD The present disclosure relates to lighting fixtures, and more particularly to lighting fixtures having light distribution control members for controlling light distribution.

As a conventional example, the projector (lighting fixture) described in Patent Document 1 will be exemplified. A conventional light projector includes a box-shaped housing, a light source provided in the housing, and an optical component that controls the distribution of light emitted from the light source. The housing has an open front surface and a housing space for housing the light source section and the optical components. The light source section is configured by mounting a plurality of light emitting elements (LEDs) on the surface of the substrate. The optical component has a lens portion. The substrate of the light source section and the optical components are fastened together with mounting screws and attached to the housing.

JP 2013-243033 A

By the way, in the lighting fixture described in Patent Document 1, it is necessary to separately attach two parts, an optical component (light distribution control member) that controls light distribution and a front cover that closes the front opening of the housing, to the housing. is necessary. On the other hand, when the optical components are integrated with the front cover, the optical components are exposed outside the housing, and there is a possibility that the optical components may be impacted by an object. When the optical component receives an impact, the impact may cause problems such as deformation and breakage of the optical component (light distribution control member).

An object of the present disclosure is to provide a lighting fixture capable of protecting a light distribution control member against impact while improving the workability of assembly work.

A lighting fixture according to an aspect of the present disclosure includes a light source unit and a fixture body that supports the light source unit. The light source unit includes an LED module, a light distribution control member for controlling light distribution of light emitted from the LED module, and a mounting member having a mounting surface on which the LED module and the light distribution control member are mounted. Prepare. The light source unit includes a screw to be screwed into a screw hole provided in the mounting surface, and a support member interposed between the screw and the LED module to support the LED module. The support member has a contact portion that can come into contact with the light distribution control member when the light distribution control member is deformed.

The lighting fixture of the present disclosure has the effect that it is possible to improve the workability of assembly work and protect the light distribution control member against impact.

1 is a perspective view of a lighting fixture according to an embodiment of the present disclosure; FIG. FIG. 2 is an exploded perspective view of a light source unit in the same lighting fixture. FIG. 3 is a front view of a light distribution control member in the same light source unit. FIG. 4 is a front perspective view of a supporting member in the same light source unit. FIG. 5 is a perspective view of the support member in the light source unit as seen from the rear. FIG. 6A is a front view of the same support member. FIG. 6B is a side view of the same support member. FIG. 6C is a rear view of the same support member. FIG. 7 is a cross-sectional view of a main part of the light source unit;

A lighting fixture according to an embodiment of the present disclosure will be described in detail with reference to the drawings. However, each drawing described in the following embodiments is a schematic drawing, and the ratio of the size and thickness of each component does not necessarily reflect the actual dimensional ratio. Note that the configurations described in the following embodiments are merely examples of the present disclosure. The present disclosure is not limited to the following embodiments, and various modifications can be made according to design and the like as long as the effects of the present disclosure can be achieved.

(1) Outline A lighting fixture A1 according to the embodiment has a light source unit 2 and a fixture main body 1 that supports the light source unit 2 . The light source unit 2 includes an LED module 3 and a light distribution control member 4 that controls the light distribution of light emitted from the LED module 3 (see FIG. 2). The light source unit 2 includes a mounting member 5 having a mounting surface 50 on which the LED module 3 and the light distribution control member 4 are mounted, and screws 52 screwed into screw holes 51 provided in the mounting surface 50 . The light source unit 2 includes a support member 8 interposed between the screw 52 and the LED module 3 to support the LED module 3 . The support member 8 has a contact portion 83 that can come into contact with the light distribution control member 4 when the light distribution control member 4 is deformed (see FIG. 7).

Here, in the lighting fixture A1 according to the embodiment, the light source unit 2 exposes the light distribution control member 4 to the front (outer surface). In other words, the light distribution control member 4 has the functions of both the optical component and the front cover in the conventional example. Therefore, the lighting fixture A1 according to the embodiment can improve the workability of the assembly work by reducing the number of parts compared to the conventional example.

Further, since the lighting fixture A1 according to the embodiment exposes the light distribution control member 4 to the front, when installed in a stadium or the like, the light distribution control member 4 can be may be impacted. However, in the lighting fixture A1 according to the embodiment, even if the light distribution control member 4 is deformed due to an impact applied to the light distribution control member 4, the light distribution control member 4 contacts the contact portion 83 of the support member 8, thereby causing the light distribution control member 4 to move. Deformation can be suppressed. As a result, the lighting fixture A1 according to the embodiment can protect the light distribution control member 4 against impact while improving the workability of the assembly work.

(2) Details The lighting fixture A1 (hereinafter abbreviated as lighting fixture A1) according to the embodiment is mainly used for illuminating (floodlighting) soccer stadiums, various sports fields, school playgrounds, and the like. A floodlight. In the following description, unless otherwise specified, the up/down, front/rear, and left/right directions indicated by arrows in FIG. 1 are defined as the up/down, front/rear, and left/right directions of the lighting fixture A1.

The lighting fixture A1 has two light source units 2 and a fixture body 1 that supports the two light source units 2 (see FIG. 1). However, the number of light source units 2 included in the lighting fixture A1 is not limited to two, and may be one or three or more.

(2-1) Instrument Body The instrument body 1 has a pair of fixing bases 10 and an arm 11 (see FIG. 1). A pair of fixed bases 10 have the same shape and structure. The fixed base 10 is formed in an isosceles triangle shape in plan view in the left-right direction by aluminum die casting. Four screw insertion holes are provided in the fixed base 10 at the base of the isosceles triangle. Moreover, in the fixed base 10, a cylindrical receiving portion is provided at a portion corresponding to the vertex of the isosceles triangle, and a screw hole is formed in the receiving portion. Furthermore, one disk-shaped scale plate 12 is attached to each of the receiving portions of the pair of fixed bases 10 .

The arm 11 is made of die-cast aluminum and is formed in a U shape in plan view in the front-rear direction. The arm 11 has a fixing plate 110 and a pair of arm pieces 111 . The fixing plate 110 has a circular fixing hole 1100 penetrating substantially in the center thereof, and a semicircular long hole 1101 centered on the fixing hole 1100 penetrating behind the fixing hole 1100 . The fixing plate 110 is fixed to a lighting stand or the like with a bolt inserted through the fixing hole 1100 and a bolt inserted through the elongated hole 1101 . Further, by loosening the bolt inserted through the long hole 1101, the orientation of the arm 11 (the orientation of the optical axis of the light source unit 2) can be changed within a range of approximately 180 degrees.

A pair of arm pieces 111 has a pair of arm pieces 111 and a circular insertion hole extending through the tip. A bolt 112 inserted through the insertion hole of the left arm piece 111 is screwed into a screw hole of the receiving portion of the left fixing base 10 . A bolt inserted through the insertion hole of the right arm piece 111 is screwed into a screw hole of the receiving portion of the right fixing base 10 . That is, the arm 11 is coupled to the pair of fixed bases 10 by two bolts 112, and supports the fixed bases 10 rotatably around the respective bolts 112. As shown in FIG. Here, on the scale plate 12 attached to each fixed base 10, an angle scale centered on the bolt 112 is displayed, and the angle of the fixed base 10 with respect to the arm 11 can be read from the scale. (see Figure 1).

A connection box 13 is provided integrally with the left arm piece 111 (see FIG. 1). The connection box 13 includes a box body 130 formed in a hexagonal box shape, a lid 131 for closing an opening of the box body 130, a terminal block, and the like. The terminal block is housed within the box body 130 . The terminal block electrically connects the power cable drawn into the box body 130 with the two output cables 20 (see FIG. 1). The power cable is a feed line for DC power supplied from a power supply installed at a location different from the lighting fixture A1. Also, the two output cables 20 are feed paths for supplying the two LED modules 3 with DC power supplied via the power cable.

(2-2) Light Source Unit The two light source units 2 have the same configuration. Each light source unit 2 includes two LED modules 3, one light distribution control member 4, a mounting member 5, a seal member 6, a frame 7, a plurality of support members 8, and the like (see FIG. 2).

(2-2-1) LED Module The two LED modules 3 have the same structure. The LED module 3 has a plurality of LEDs 30 and a substrate 31 on which the plurality of LEDs 30 are mounted (see FIG. 2). Each LED 30 is, for example, a packaged white LED for illumination. The substrate 31 is, for example, a metal base substrate based on an aluminum plate. Since the substrate 31 is a metal base substrate, the heat generated by the plurality of LEDs 30 can be efficiently dissipated. The plurality of LEDs 30 are mounted on the surface of the substrate 31 so as to be arranged at regular intervals.

Further, the substrate 31 is provided with a plurality (thirteen in the illustrated example) of through holes 310 (see FIG. 2). These through holes 310 are circular, and are arranged at the four corners, the center of each side, the center, and diagonal lines of the substantially square substrate 31 .

A pair of connectors 32 are mounted at the center of one side on the front surface of the substrate 31 . These connectors 32 are electrically connected to the plurality of LEDs 30 in series or series-parallel via printed wiring formed on the surface of the substrate 31 . That is, the pair of connectors 32 are the positive terminal and the negative terminal of the LED module 3, and are electrically connected to one end of the output cable 20, respectively (see FIG. 2).

(2-2-2) Light Distribution Control Member The light distribution control member 4 includes a number of lens portions 40 equal to the total number of the LEDs 30 of the two LED modules 3, and a connecting portion 41 connecting these lens portions 40. (see FIGS. 2 and 3). Note that the plurality of lens portions 40 and the coupling portion 41 are integrally formed of a translucent synthetic resin material (for example, polycarbonate resin).

The connecting portion 41 is generally formed in a rectangular box shape whose longitudinal direction is the left-right direction, and has a brim-shaped peripheral edge portion 42 protruding outward from the open end of the rear surface.

Each lens portion 40 is formed in a truncated cone shape and protrudes rearward from the rear surface of the coupling portion 41 (see FIG. 7). Each lens part 40 is arranged at a position corresponding to each of the plurality of LEDs 30 of the LED module 3 (see FIGS. 3 and 7).

A pair of bulging portion 410 and recessed portion 411 are provided at the center of the front surface of coupling portion 41 in the longitudinal direction (left-right direction). Each bulging portion 410 is formed in the shape of an elongated truncated pyramid, and is arranged in a line so that the longitudinal direction thereof is vertically aligned. The output cable 20 connected to each LED module 3 is accommodated in the internal space of the bulging portion 410 . The recess 411 is provided in the center of the front surface of the coupling portion 41 . A circular screw insertion hole 412 penetrates the bottom surface of the recess 411 (see FIG. 3).

A plurality of position restricting portions 44 are provided on the front surface of the peripheral portion 42 (see FIG. 3). Each position restricting portion 44 is formed in a prismatic shape having a trapezoidal shape when viewed in the front-rear direction. The plurality of position regulating portions 44 are provided two each at both ends in the longitudinal direction (horizontal direction) on the front surface of the peripheral portion 42, and six each at both ends in the lateral direction (vertical direction) on the front surface of the peripheral portion 42. It is

One semicircular screw insertion groove 420 is provided in each of the longitudinal center and the lateral center of the peripheral portion 42 (see FIG. 3). Four relief portions 43 each having a V-shaped depression are provided at each of the upper and lower ends of the peripheral edge portion 42 . Further, at both the left and right ends of the peripheral edge portion 42, one relief portion 43, which is a V-shaped depression, is provided. In addition, these escape portions 43 are arranged one by one between adjacent position regulating portions 44 when viewed in the front-rear direction (see FIGS. 2 and 3).

In addition, one columnar protrusion 45 is provided at each of the four corners on the front surface of the connecting portion 41 . These four protrusions 45 protrude forward from the front surface of the coupling portion 41 . The height of each projection 45 (the distance from the front surface of the coupling portion 41 to the tip of the projection 45) is the same as the height of the swelling portion 410 (the distance from the front surface of the coupling portion 41 to the tip of the swelling portion 410). Almost equal.

Furthermore, the coupling portion 41 has a plurality of projecting base portions 413 . These protruding base portions 413 are each formed in a cylindrical shape and protrude rearward from the rear surface of the coupling portion 41 (see FIG. 7). In addition, these projecting base portions 413 are arranged at positions corresponding to the plurality of through holes 310 of the substrate 31 in the coupling portion 41 .

(2-2-3) Seal Member The seal member 6 is made of silicone rubber and is formed into a rectangular frame shape when viewed from the front-rear direction (see FIG. 2). However, the seal member 6 may be made of an elastic material other than silicone rubber.

The seal member 6 has a first seal portion 61 and a second seal portion 62 (see FIG. 2). Both the first seal portion 61 and the second seal portion 62 are formed in a rectangular frame shape. The outer peripheral end of the first seal portion 61 and the outer peripheral end of the second seal portion 62 are connected by a connecting portion 63 formed in a rectangular frame shape. That is, inside the seal member 6 , a groove surrounded by the first seal portion 61 , the second seal portion 62 and the connecting portion 63 and opening to the inner peripheral surface is formed along the entire circumference of the seal member 6 .

Two ribs 610 are formed along the entire circumference of the front and rear surfaces of the first seal portion 61 (see FIGS. 5 and 6). Similarly, two ribs are formed on the front and rear surfaces of the second seal portion 62 over the entire circumference.

In addition, one screw insertion groove 66 is provided at each of the center in the longitudinal direction, the center in the lateral direction, and the four corners of the seal member 6 (see FIG. 2). At the upper and lower ends of the seal member 6, five relief portions 65 each having a V-shaped depression are provided. Further, at both the left and right ends of the sealing member 6, one escape portion 65 is provided as a V-shaped depression. These relief portions 65 are arranged at positions overlapping the relief portions 43 provided in the peripheral portion 42 of the light distribution control member 4 when viewed in the front-rear direction (see FIG. 2).

(2-2-4) Mounting member The mounting member 5 is formed in a rectangular flat plate shape from aluminum alloy, for example. The front surface (mounting surface 50) of the mounting member 5 is a flat surface. On the other hand, a plurality of projecting portions 54 are integrally formed on the rear surface of the mounting member 5 so as to be arranged vertically at intervals (see FIG. 3). Each protrusion 54 is formed in a prism shape. One screw hole 540 is provided in both bottom surfaces of some of the plurality of protrusions 54 .

The mounting member 5 also has a plurality of screw holes 51 . The plurality of screw holes 51 are provided on the periphery of the mounting member 5 . Each screw hole 51 is screwed with one screw 72 for fixing the frame body 7 to be described later. A screw hole is provided in the center of the mounting member 5 , into which the screw 52 that is inserted into the screw insertion hole 412 of the light distribution control member 4 is screwed.

Further, circular cable insertion holes are provided at both upper and lower ends in the center of the mounting member 5 . The output cable 20 connected to the connector 32 of the LED module 3 is inserted through the cable insertion hole and wired to the rear surface side of the mounting member 5 (see FIG. 2).

A plurality of radiator plates 53 are attached to the rear surface of the mounting member 5 . These radiator plates 53 are made of, for example, an aluminum alloy and formed into flat plates. The plurality of radiator plates 53 are attached to the rear surface of the attachment member 5 by caulking, for example.

(2-2-5) Frame The frame 7 has a front wall 70 formed in a rectangular frame shape, and side walls 71 projecting rearward from the outer peripheral edge of the front wall 70 along the entire circumference. (See Figure 2). The front wall 70 and the side walls 71 are preferably integrally formed by punching and bending a metal plate such as a stainless steel plate.

The front wall 70 has a plurality of screw holes 700 . These screw insertion holes 700 are provided at positions corresponding to the plurality of screw holes 51 provided on the peripheral edge of the mounting member 5 on a one-to-one basis.

(2-2-6) Support Member The support member 8 is made of an electrically insulating and elastically deformable material such as PBT (polybutylene terephthalate). However, the support member 8 may be formed of a synthetic resin material other than PBT.

As shown in FIGS. 4 and 5, the support member 8 has a body 80 generally shaped like a truncated cone. In the following description, the up-down, front-rear, and left-right directions indicated by arrows in FIG.

A circular recess 81 is formed in the center of the front face of the main body 80 . An insertion hole 84 extends through the center of the bottom surface of the recess 81 in the front-rear direction. A plurality of (eight in the illustrated example) grooves 82 are formed in the front surface of the main body 80 (see FIGS. 4, 6A and 6B). These grooves 82 communicate with recesses 81 . That is, seven contact portions 83 separated by eight grooves 82 are formed on the front surface of the main body 80 (see FIGS. 4 and 6A). Each of these seven contact portions 83 is formed in the shape of a substantially square truncated pyramid.

A protrusion 85 and a positioning rib 86 are provided on the rear surface of the main body 80 (see FIGS. 5, 6B and 6C). The protrusion 85 is formed in a donut shape (annular shape) and protrudes rearward from the edge of the insertion hole 84 in the rear surface of the main body 80 (see FIGS. 5 and 7). In addition, the inner peripheral surface of the protrusion 85 constitutes the inner wall surface of the insertion hole 84 .

The positioning rib 86 is formed in a cylindrical shape and protrudes rearward from the outside of the protrusion 85 on the rear surface of the main body 80 . A recess 87 is formed between the positioning rib 86 and the projection 85 (see FIG. 5). The recessed portion 87 is formed in a shape (semi-annular shape) in which a cross section parallel to the front-rear direction is semicircular (see FIG. 7).

(2-2-7) Procedure for Assembling Light Source Unit Next, the procedure for assembling the light source unit 2 will be described. However, the assembly procedure described below is just an example, and the order of some procedures may be changed.

First, an operator who performs the assembly operation places the insulating sheet 21 on the mounting surface 50 of the mounting member 5 . The insulating sheet 21 is formed in a sheet shape from a synthetic resin such as PET (polyethylene terephthalate). The insulating sheet 21 is provided with a plurality of holes corresponding one-to-one with the plurality of screw holes 51 provided in the mounting surface 50 .

The operator places the LED modules 3 on the insulating sheet 21 and places the support members 8 one by one so as to overlap the plurality of through holes 310 of the substrate 31 . The diameter of the main body 80 of the support member 8 is larger than the inner diameter of the through hole 310 of the substrate 31 , and the outer diameter of the positioning rib 86 is smaller than the inner diameter of the through hole 310 . Therefore, the positioning rib 86 inserted through the through-hole 310 abuts against the inner peripheral surface of the through-hole 310, restricting the movement range of the support member 8 (the range in which the support member 8 can move parallel to the front surface of the substrate 31) (FIG. 7). reference).

An operator screws the screw 52 into the screw hole 51 of the mounting member 5 through the insertion hole 84 of the support member 8 . The screw 52 has a washer, and when the washer of the screw 52 contacts the bottom surface of the recess 81 of the support member 8, the tightening force of the screw 52 acts on the substrate 31 via the support member 8 (see FIG. 7). . Therefore, the LED module 3 is attached to the mounting surface 50 of the mounting member 5 via the support member 8 and the screws 52 .

An operator pulls out the output cable 20 to the mounting surface 50 side through the central cable insertion hole of the mounting member 5 and connects the output cable 20 to the connector 32 of the LED module 3 .

The operator mounts the sealing member 6 on the peripheral portion 42 of the light distribution control member 4 by inserting the peripheral portion 42 into the groove of the sealing member 6 . Then, the worker places the light distribution control member 4 with the seal member 6 mounted thereon on the mounting surface 50 (see FIG. 5), and then covers the seal member 6 with the frame 7 from the front.

Finally, the operator screws the screws 72 into the screw holes 51 of the mounting surface 50 one by one through the screw holes 700 of the front wall 70 . As a result, the frame 7 is fixed to the mounting member 5 , and the peripheral portion 42 of the light distribution control member 4 is sandwiched between the frame 7 and the mounting surface 50 with the seal member 6 interposed therebetween. is attached to the attachment member 5 . A gap between the mounting surface 50 and the peripheral portion 42 is sealed by the sealing member 6 . In addition, since the escape portions 43 and 65 are provided in the peripheral portion 42 of the light distribution control member 4 and the sealing member 6 respectively, the mounting member 5 can be mounted while preventing the peripheral portion 42 and the sealing member 6 from coming into contact with the screw 72 . can be downsized in the vertical and horizontal directions.

The assembly work of the light source unit 2 is completed by the above procedure.

(2-3) Procedure for Assembling Lighting Apparatus Next, the procedure for assembling the lighting apparatus A1 will be described. However, the assembly procedure described below is just an example, and the order of some procedures may be changed.

For example, an operator places two light source units 2 side by side on a workbench and attaches one fixing table 10 to each of the left and right ends of the two light source units 2 . That is, the operator attaches each fixing base 10 to the left and right ends of the two light source units 2 with two screws 100 inserted through the two screw holes of each fixing base 10 . Thus, the two light source units 2 are fixed to the pair of fixing bases 10, and are supported by the fixture body 1 (the pair of fixing bases 10) so as to be vertically aligned (see FIG. 1).

After connecting the output cables 20 of the two light source units 2 to the terminal block in the box body 130 , the operator closes the opening of the box body 130 with the lid 131 . Note that the lid 131 is fixed to the box body 130 by screwing.

The above procedure completes the assembly work of the lighting fixture A1.

(3) Advantages of the Embodiments As described above, the luminaire A1 combines the function of the conventional optical component (function of controlling light distribution) and the function of the front cover (function of protecting the optical component) into one component (distribution function). Since it is held by the light control member 4), the workability of the assembly work can be improved by reducing the number of parts.

Further, in the lighting fixture A1, the support member 8 is interposed between the screw 52 and the LED module 3 when screwing the LED module 3 onto the mounting surface 50 of the mounting member 5. As shown in FIG. Even if the light distribution control member 4 (the coupling portion 41 thereof) exposed to the front of the lighting fixture A1 receives an impact, the light distribution control member 4 (the projecting base portion 413 of the light distribution control member 4) contacts the contact portion 83 of the support member 8. ) can suppress deformation of the light distribution control member 4 (see FIG. 7). As a result, the lighting fixture A1 can protect the light distribution control member 4 against impact while improving the workability of the assembly work.

Here, the support member 8 has a plurality of contact portions 83 and a plurality of grooves 82 provided between each of the plurality of contact portions 83 . Since the support member 8 has the plurality of grooves 82 , the fastening force received from the screw 52 is dispersed by the plurality of grooves 82 , thereby reducing local stress generated in the support member 8 . As a result, the lighting fixture A1 can suppress deterioration of the support member 8 due to the occurrence of local stress.

Further, in the lighting device A1, since the support member 8 is made of an electrically insulating material (synthetic resin material), the mounting member 5, which is a conductor (metal: aluminum alloy), and the metal screw 52 are electrically connected. No parts are required for insulation. As a result, lighting fixture A1 can aim at reduction of a number of parts.

Here, each of the plurality of lens portions 40 included in the light distribution control member 4 is formed in a shape that tapers toward the LED 30 (see FIG. 7). On the other hand, the support member 8 is tapered from the substrate 31 toward the coupling portion 41 (see FIG. 7). Since the lens portion 40 and the support member 8 are tapered in opposite directions, the distance between the lens portion 40 and the support member 8 can be relatively large. As a result, the lighting fixture A1 can reduce the possibility of contact between the lens portion 40 and the support member 8 when the light distribution control member 4 is deformed.

Further, the projection 85 of the support member 8 hits the mounting surface 50 of the mounting member 5 through the through hole 310 provided in the substrate 31 (see FIG. 7). In other words, when the contact portion 83 receives a force directed toward the substrate 31 from (the projecting portion 413 of) the light distribution control member 4, the projecting portion 85 hits the mounting surface 50, thereby alleviating the impact applied to the substrate 31. can be done.

Here, the contact portion 83 of the support member 8 has a flat surface that can come into contact with (the projection portion 413 of) the light distribution control member 4 (see FIGS. 4 and 7). Therefore, the lighting fixture A1 can reduce the stress generated in the contact portion 83 when the contact portion 83 hits (the protruding portion 413 thereof) of the light distribution control member 4 .

By the way, in the lighting device A1, the support member 8 is arranged within the projection range of the LED module 3 when viewed from the direction in which the LED module 3 and the light distribution control member 4 are arranged (the front-rear direction) (see FIG. 2). In other words, each of the plurality of support members 8 does not protrude from the substrate 31 of the LED module 3 . Therefore, in the lighting fixture A1, the substrate 31 of the LED module 3 can be evenly supported by the support member 8, and distortion, deformation, and the like of the substrate 31 can be suppressed.

(4) Summary A lighting fixture (A1) according to the first aspect of the present disclosure has a light source unit (2) and a fixture body (1) that supports the light source unit (2). The light source unit (2) includes an LED module (3) and a light distribution control member (4) that controls the light distribution of light emitted from the LED module (3). The light source unit (2) comprises a mounting member (5) having a mounting surface (50) to which the LED module (3) and the light distribution control member (4) are mounted, and screw holes (51) provided in the mounting surface (50). ), and a screw (52) that is screwed into. The light source unit (2) includes a support member (8) interposed between the screw (52) and the LED module (3) to support the LED module (3). The support member (8) has a contact portion (83) that can come into contact with the light distribution control member (4) when the light distribution control member (4) is deformed.

The lighting fixture (A1) according to the first aspect can protect the light distribution control member (4) against impact while improving the workability of the assembly work.

A lighting fixture (A1) according to the second aspect of the present disclosure can be realized by a combination with the first aspect. In the lighting fixture (A1) according to the second aspect, the support member (8) comprises a plurality of contact portions (83) and a plurality of grooves (82) provided between each of the plurality of contact portions (83). , is preferred.

In the lighting fixture (A1) according to the second aspect, since the support member (8) has a plurality of grooves (82), the fastening force received from the screw (52) is dispersed by the plurality of grooves (82). Therefore, it is possible to suppress the deterioration of the support member (8) due to the occurrence of local stress.

A lighting fixture (A1) according to the third aspect of the present disclosure can be realized by a combination with the first or second aspect. In the lighting fixture (A1) according to the third aspect, the mounting member (5) is preferably a conductor. The support member (8) is preferably made of an electrically insulating material.

The lighting fixture (A1) according to the third aspect eliminates the need for a component for electrically insulating the mounting member (5), which is a conductor, from the screw (52), thereby reducing the number of components.

A lighting fixture (A1) according to the fourth aspect of the present disclosure can be realized by a combination with any one of the first to third aspects. In the lighting fixture (A1) according to the fourth aspect, the support member (8) is preferably made of an elastically deformable material.

The lighting fixture (A1) according to the fourth aspect can further protect the light distribution control member (4) against impact by elastically deforming the support member (8).

A lighting fixture (A1) according to the fifth aspect of the present disclosure can be realized by a combination with any one of the first to fourth aspects. In the lighting fixture (A1) according to the fifth aspect, the LED module (3) may have a plurality of LEDs (30) and a substrate (31) on which the plurality of LEDs (30) are mounted. preferable. The light distribution control member (4) has a plurality of lens portions (40) corresponding to the plurality of LEDs (30) one-to-one, and a connecting portion (41) that connects the plurality of lens portions (40). is preferred. Each of the plurality of lens portions (40) is preferably formed in a shape that tapers toward the LED (30). The support member (8) is preferably formed in a tapered shape from the substrate (31) toward the joint (41).

In the lighting fixture (A1) according to the fifth aspect, since the lens portion (40) and the support member (8) are tapered in opposite directions, the lens portion (40) and the support member ( 8) can be relatively large. As a result, the lighting fixture (A1) according to the fifth aspect can reduce the possibility of contact between the lens portion (40) and the support member (8) when the light distribution control member (4) is deformed. .

A lighting fixture (A1) according to the sixth aspect of the present disclosure can be realized by a combination with the fifth aspect. In the lighting fixture (A1) according to the sixth aspect, the substrate (31) preferably has a through hole (310) large enough to allow a part of the support member (8) to pass therethrough. The support member (8) preferably has a protrusion (85) which passes through the through hole (310) and rests against the mounting surface (50).

The lighting fixture (A1) according to the sixth aspect can reduce the impact applied to the substrate (31) by the projection (85) coming into contact with the mounting surface (50).

A lighting fixture (A1) according to the seventh aspect of the present disclosure can be realized by a combination with the sixth aspect. In the lighting fixture (A1) according to the seventh aspect, the support member (8) preferably has positioning ribs (86) inserted through the through holes (310).

In the lighting fixture (A1) according to the seventh aspect, the positioning rib (86) inserted through the through hole (310) abuts against the inner peripheral surface of the through hole (310), so that the movement range of the support member (8) is It is regulated and allows the substrate (31) to be positioned relative to the mounting member (5).

A lighting fixture (A1) according to the eighth aspect of the present disclosure can be realized by a combination with any one of the first to seventh aspects. In the lighting fixture (A1) according to the eighth aspect, it is preferable that the contact portion (83) has a flat surface that can come into contact with the light distribution control member (4).

The lighting fixture (A1) according to the eighth aspect can reduce the stress generated in the contact portion (83) when the contact portion (83) comes into contact with the light distribution control member (4).

A lighting fixture (A1) according to the ninth aspect of the present disclosure can be realized by a combination with any one of the first to eighth aspects. In the lighting fixture (A1) according to the ninth aspect, the support member (8) is within the projection range of the LED module (3) when viewed from the direction in which the LED module (3) and the light distribution control member (4) are arranged. is preferably arranged.

In the lighting fixture (A1) according to the ninth aspect, the substrate (31) of the LED module (3) can be evenly supported by the support member (8), and distortion and deformation of the substrate (31) are suppressed. be able to.

A1 lighting fixture 1 fixture body 2 light source unit 3 LED module 4 light distribution control member 5 mounting member 8 support member 30 LED
31 substrate 40 lens part 41 coupling part 50 attachment surface 52 screw 82 groove 83 contact part 85 protrusion 86 positioning rib 310 through hole

Claims (9)

a light source unit;
a fixture body that supports the light source unit;
has
The light source unit
an LED module;
a light distribution control member for controlling light distribution of light emitted from the LED module;
a mounting member having a mounting surface on which the LED module and the light distribution control member are mounted;
a screw to be screwed into a screw hole provided in the mounting surface;
a supporting member interposed between the screw and the LED module and supporting the LED module;
with
The support member has a contact portion that can come into contact with the light distribution control member when the light distribution control member is deformed.
lighting equipment. The support member has a plurality of the contact portions and a plurality of grooves provided between each of the plurality of contact portions,
A lighting fixture according to claim 1 . the mounting member is a conductor,
The support member is made of an electrically insulating material,
3. The luminaire according to claim 1 or 2. The support member is made of an elastically deformable material,
A luminaire according to any one of claims 1-3. The LED module is
a plurality of LEDs;
a substrate having the plurality of LEDs mounted on its surface;
has
The light distribution control member is
a plurality of lens portions corresponding to the plurality of LEDs on a one-to-one basis;
a connecting portion that connects the plurality of lens portions;
has
each of the plurality of lens portions is formed in a shape that tapers toward the LED;
The support member is formed in a shape that tapers from the substrate toward the coupling portion,
A luminaire according to any one of claims 1-4. the substrate has a through hole sized to allow a portion of the support member to pass therethrough,
The support member has a projection that contacts the mounting surface through the through hole,
A lighting fixture according to claim 5 . The support member has a positioning rib that is inserted through the through hole,
A lighting fixture according to claim 6 . The contact portion has a flat surface that can contact the light distribution control member.
A luminaire according to any one of claims 1-7. The support member is arranged within a projection range of the LED module when viewed from the direction in which the LED module and the light distribution control member are arranged.
A luminaire according to any one of claims 1-8.

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