JP6575892B2 - Light source module, light source unit and lighting fixture - Google Patents

Description

  The present invention relates to a light source module using a solid light emitting element as a light source, a light source unit using the light source module, and a lighting fixture using the light source module.

  As a conventional example, an LED module (light source module), a light source unit, and a lighting fixture described in Patent Document 1 are illustrated. The lighting fixture described in Patent Document 1 includes a light source unit, a fixture body, a frame, a panel, a lighting device, and the like. The light source unit is composed of four LED modules and a reflector. The reflector has a rectangular flat plate-like mounting plate and four reflecting plates bent downward from the periphery of the mounting plate, and is formed in a box shape with the lower surface opened. The LED module includes a rectangular substrate, a plurality of LEDs (light emitting diodes) mounted on the lower surface of the substrate, a reflection sheet that covers the entire lower surface of the substrate except for the region where the LEDs are mounted, and an optical block. . In the optical block, a plurality of lenses that diffuse the light of the LED and a coupling member that couples the plurality of lenses are integrally formed of a synthetic resin having translucency. The optical block is attached to the reflector mounting plate by screwing together with the substrate and the reflection sheet.

JP 2014-165273 A

  By the way, in the LED module, the light source unit, and the lighting fixture as in the conventional example, further cost reduction is required.

  The present invention has been made in view of the above problems, and aims to further reduce costs.

The light source module of the present invention includes one or more solid light emitting elements, a substrate on which the solid light emitting elements are mounted, a light distribution that covers the surface of the substrate and is emitted from the solid light emitting elements. An optical member that controls the substrate, and a module main body to which the optical member is attached. The module main body includes a base plate that is in contact with the back surface of the substrate on the front surface side, and the substrate and the base plate between the base plate and The base plate and the support piece are integrally formed by processing the same plate material , and the base plate rises from a side edge. There is provided integrally, the support piece is constituted by cutting and erecting a part of the side wall, characterized in Rukoto.

  The light source unit of the present invention includes the light source module, an attachment member to which the light source module is attached, and a light-transmitting cover, and the cover is attached to the attachment member so as to cover the light source module. It is characterized by being configured.

  The lighting fixture of the present invention supports the light source module, a power supply unit that supplies power to the light source module to cause the solid state light emitting elements to emit light, one or more light source modules, and one or more power supply units. An instrument main body is provided.

  The light source module, light source unit, and lighting fixture of the present invention have an effect that further cost reduction can be achieved.

It is a disassembled perspective view which shows embodiment of the light source module which concerns on this invention. It is sectional drawing abbreviate | omitted partially same as the above. It is the perspective view which a part of module main body abbreviate | omitted above. It is the perspective view which a part of module main body abbreviate | omitted above. It is the perspective view which abbreviate | omitted the optical member same as the above. It is a perspective view same as the above. It is sectional drawing which abbreviate | omitted partially showing the state which abbreviate | omitted the optical member same as the above. It is a disassembled perspective view which shows embodiment of the light source unit which concerns on this invention. It is sectional drawing abbreviate | omitted partially same as the above. It is a top view same as the above. It is a perspective view which shows embodiment of the lighting fixture which concerns on this invention. It is a top view which abbreviate | omitted the panel same as the above. It is a top view of the instrument main body in the same as the above. It is a perspective view of the lighting unit in the same as the above.

  Embodiments of a light source module, a light source unit, and a lighting fixture according to the present invention will be described in detail with reference to the drawings. In addition, in embodiment described below, embodiment of the lighting fixture attached to a ceiling is illustrated, However, The lighting fixture of this embodiment may be a lighting fixture attached to places other than ceilings, such as a wall. .

  First, with reference to FIGS. 1-7, the light source module 1 of this embodiment is demonstrated. However, in the following description, unless otherwise specified, the vertical, horizontal, and front-rear directions are defined in FIG.

  As shown in FIG. 1, the light source module 1 of the present embodiment includes a plurality of solid state light emitting elements 10, a substrate 11, an optical member 2, and a module body 3. The solid light emitting element 10 is preferably a light emitting diode that emits white light, for example, but may be a solid light emitting element other than the light emitting diode, such as an organic electroluminescence element.

  The substrate 11 is preferably formed of an insulating material such as ceramics in the shape of a long rectangular plate whose longitudinal direction is the left-right direction. The plurality of solid state light emitting elements (light emitting diodes 10) are preferably mounted in the center of the lower surface of the substrate 11 in the front-rear direction and arranged at equal intervals along the longitudinal direction. A conductor (copper foil) that electrically connects the anode and cathode of each light emitting diode 10 is formed on the lower surface of the substrate 11. Furthermore, it is preferable that circular positioning holes 110 are provided at both front and rear ends of both ends of the substrate 11 in the longitudinal direction.

  The optical member 2 has a lens portion 20 and a flange portion 21 and is formed in a long shape so as to cover the entire lower surface of the substrate 11 with a synthetic resin material having translucency such as acrylic resin or polycarbonate resin. As shown in FIG. 2, the lens unit 20 includes an incident surface 200 on which light emitted from the light emitting diode 10 is incident, a propagation unit 201 that propagates light incident from the incident surface 200, and light that has propagated through the propagation unit 201. It is preferable to have an exit surface 202 from which the light exits. The incident surface 200 is preferably formed in a parabolic shape when viewed from the left-right direction. The exit surface 202 is preferably formed in a curved surface in which the periphery of the center line facing the apex (lower end) of the entrance surface 200 in the up-down direction is recessed upward, and the periphery of the center line is convex downward. . The propagation part 201 is configured by a region (synthetic resin molded body) surrounded by the incident surface 200 and the output surface 202. The flange portion 21 is preferably formed in a rectangular frame shape that surrounds the periphery of the lens portion 20 and is thinner than the propagation portion 201 of the lens portion 20 (the height in the vertical direction is low). A rectangular recess 22 is preferably provided on the upper surface of the optical member 2. The substrate 11 is preferably fitted into the recess 22 (see FIG. 2).

  As shown in FIG. 1, the module main body 3 includes a base plate 30 and a pair of side walls 31. The base plate 30 is formed in a long rectangular flat plate shape whose longitudinal direction is the left-right direction. The pair of side walls 31 are formed so as to rise downward from the front edge and the rear edge of the base plate 30 along the longitudinal direction. The base plate 30 and the pair of side walls 31 are preferably formed integrally by bending a long metal plate. Further, it is preferable that a circular insertion hole 300 and a pair of hemispherical protrusions 301 are provided at both ends in the longitudinal direction of the base plate 30.

  Each of the pair of side walls 31 has a plurality (four in the illustrated example) of support pieces 32. As shown in FIGS. 3 and 4, the support piece 32 is formed in a rectangular shape and is configured to be connected to the side wall 31 at the short side portion. Such a support piece 32 is preferably formed by partially punching the side wall 31. The four support pieces 32 are preferably provided at equal intervals along the longitudinal direction of the side wall 31 (see FIG. 1).

  The base plate 30 preferably includes a plurality (eight in the illustrated example) of fixing pieces 33. As shown in FIGS. 3 and 4, each fixing piece 33 is formed in a rectangular shape and is configured to be connected to the base plate 30 at a part of the long side. Such a fixed piece 33 is preferably cut and raised from the base plate 30 to the upper surface side. In addition, it is preferable that the eight fixing pieces 33 are provided so as to be arranged in two rows of four at regular intervals along the longitudinal direction (left-right direction) and adjacent to each other in the short-side direction (front-rear direction). .

  Next, the assembly procedure of the light source module 1 of this embodiment is demonstrated. However, although the assembly procedure described below is exemplified by a person (operator), the machine may work instead of the person.

  First, the operator places the substrate 11 on which the light emitting diode 10 is mounted on the lower surface of the base plate 30 of the module body 3 as shown in FIG. At this time, the operator fits the pair of protrusions 301 provided at both ends in the longitudinal direction of the base plate 30 into the pair of positioning holes 110 provided at both ends in the longitudinal direction of the substrate 11, thereby It is preferable to position the substrate 11 with respect to 30. Further, as shown in FIG. 6, the operator places the optical member 2 on the lower surface of the base plate 30 so as to fit the substrate 11 into the recess 22 on the upper surface.

  Subsequently, the worker bends the four support pieces 32 provided on the side walls 31 of the module body 3 inward. Here, in the optical member 2, concave portions 23 are formed at eight positions adjacent to the support pieces 32, respectively. These recesses 23 are configured such that a part of the bottom surface (upper surface) is connected to the recess 22, and the thickness of the flange portion 21 constituting the bottom wall is smaller (thinner) than the thickness of the substrate 11. preferable.

  As shown in FIG. 2, the operator bends each support piece 32 inward to a position covering the substrate 11 exposed from the bottom surface of the recess 23. That is, the substrate 11 and the optical member 2 are attached to and supported by the module body 3 so as to be sandwiched between the eight support pieces 32 bent inward and the base plate 30. Thus, the light source module 1 of this embodiment is assembled by attaching the board | substrate 11 and the optical member 2 to the module main body 3. FIG.

  As described above, the light source module 1 of the present embodiment includes one or more solid light emitting elements 10 and the substrate 11 on which the solid light emitting elements 10 are mounted on the surface (lower surface). In the light source module 1 of the present embodiment, the optical member 2 that covers the surface (lower surface) of the substrate 11 and controls the light distribution of the light emitted from the solid-state light emitting element 10, and the substrate 11 and the optical member 2 are attached. And a module body 3. The module body 3 includes a base plate 30 that is in contact with the back surface (upper surface) of the substrate 11 on the front surface side (lower surface side), and one or more support pieces that sandwich and support the substrate 11 and the optical member 2 between the base plate 30. 32. The base plate 30 and the support piece 32 are integrally formed by processing the same plate material.

  The light source module 1 of the present embodiment is configured as described above, and the substrate 11 and the optical member 2 are supported on the module main body 3 by one or more support pieces 32, so that components such as fixing screws are not necessary, Compared to the conventional example, further cost reduction can be achieved. Further, as compared with the case of screwing, the assembly work is simplified when the support piece 32 is bent (crimped), so that further cost reduction can be achieved.

  Moreover, in the light source module 1 of this embodiment, it is preferable that the base plate 30 is integrally provided with a side wall 31 rising from the side edge. The support piece 32 is preferably cut and raised from a part of the side wall 31. In the optical member 2, it is preferable that the part supported by the support piece 32 is configured to have a smaller thickness than other parts.

  If the light source module 1 of this embodiment is comprised as mentioned above, the stress added to the optical member 2 from the support piece 32 can be reduced. In particular, if a gap (clearance) is formed between the support piece 32 and the optical member 2 (the bottom wall of the recess 23), almost no stress is applied to the optical member 2 from the support piece 32. Further, if a gap is formed between the support piece 32 and the optical member 2 (the bottom wall of the recess 23), the optical member 2 is omitted and only the substrate 11 is attached to the module body 3 as shown in FIG. It can also be attached and supported.

  Furthermore, in the light source module 1 of this embodiment, it is preferable that the base plate 30 is integrally provided with a side wall 31 rising from the side edge. The support piece 32 is preferably cut and raised from a part of the side wall 31. And it is preferable to form the inclined surface 320 which inclines in the direction which leaves | separates from the base plate 30 toward the front-end | tip at the front-end | tip part of the support piece 32 toward the front-end | tip (refer FIG. 2). For example, as for the support piece 32 in this embodiment, the inclined surface 320 is formed by the lower corner | angular part of a front-end | tip part being cut | disconnected diagonally.

  If the light source module 1 of this embodiment is comprised as mentioned above, when the support piece 32 is bend | folded inside, since the corner | angular part of the support piece 32 becomes difficult to catch on the board | substrate 11, workability | operativity can be improved. . When a plurality of types of substrates 11 having different thicknesses are attached to the module body 3, the inclined surface 320 of the support piece 32 hits the side edge of the thick substrate 11, and the support piece 32 bites into the substrate 11 as it is bent. The substrate 11 having a large thickness can be reliably supported.

  Then, the light source unit 4 of this embodiment is demonstrated with reference to FIGS. However, in the following description, unless otherwise specified, the vertical, horizontal, and front-rear directions are defined in FIG.

  As shown in FIG. 8, the light source unit 4 preferably includes a light source module 1, a mounting member 5, and a cover 6. The mounting member 5 has a long and rectangular flat bottom plate 50 and a pair of side plates 51 that rise upward from both end edges in the short direction (front-rear direction) of the bottom plate 50 by bending the sheet metal. It is preferably formed in a bowl shape.

  The bottom plate 50 is preferably provided with a plurality (eight in the illustrated example) of insertion holes 500. These insertion holes 500 are preferably formed in a rectangle whose longitudinal direction is the left-right direction. The eight insertion holes 500 are preferably provided so as to be arranged in two rows of four at regular intervals along the longitudinal direction (left-right direction) and adjacent to each other in the short-side direction (front-rear direction). .

  The cover 6 is preferably composed of a cover body 60 and a pair of cover ends 61.

  The cover body 60 is made of a light-transmitting material such as acrylic resin or polycarbonate resin so as to be parallel to each other from the substantially semi-cylindrical main portion 600 and both ends of the main portion 600 in the short direction (front-rear direction). A pair of protruding wall portions 601 protruding upward are integrally formed. In addition, as shown in FIG. 9, the protrusion part 602 which protrudes inward is integrally provided in the front-end | tip (upper end) of each protrusion wall part 601, respectively. In addition, extending portions 603 that extend to the outside of each protruding wall portion 601 are integrally formed at both ends in the short direction of the main portion 600 so as to be continuous with the main portion 600. Then, the cover body 60 has the projection 602 of each protruding wall 601 hooked to the tip (upper end) of each side plate 51 of the mounting member 5, so that the lower surface side of the mounting member 5 is covered with the light source module 1. (See FIG. 9). In addition, it is preferable that the cover main body 60 is comprised so that milky white diffusion material may be mixed, and the light radiated | emitted from the light source module 1 may be diffused and irradiated to illumination space.

  The cover end 61 is formed in a semicircular shape with the same material as the cover main body 60 and is attached to both ends of the cover main body 60 and the attachment member 5 in the longitudinal direction.

  Next, the assembly procedure of the light source unit 4 of this embodiment will be described. However, although the assembly procedure described below is exemplified by a person (operator), the machine may work instead of the person.

  First, the operator places the attachment member 5 on the light source module 1 so that the eight fixing pieces 33 are inserted into the eight insertion holes 500 of the attachment member 5 respectively. Then, the operator bends each fixing piece 33 protruding to the upper surface side of the bottom plate 50 of the mounting member 5 through the insertion hole 500 (see FIGS. 9 and 10). As a result, each fixing piece 33 bent outward is caught on the upper surface side of the bottom plate 50 of the mounting member 5, so that the light source module 1 is mounted and fixed to the bottom plate 50 of the mounting member 5.

  Then, the operator attaches the cover body 60 to the attachment member 5 with the opening side facing upward. Finally, the operator attaches the cover ends 61 to both ends of the cover body 60 and the attachment member 5 in the longitudinal direction. The light source unit 4 is assembled by the procedure as described above.

  As described above, in the light source unit 4 of the present embodiment, the light source module 1 is attached to the attachment member 5 by caulking the fixing piece 33 provided in the module main body 3, so that parts such as fixing screws are not required. As compared with the conventional example, further cost reduction can be achieved. Further, as compared with the case of screwing, the assembly work is simplified when the fixing piece 33 is bent (crimped), so that further cost reduction can be achieved.

  In addition, it is preferable that the light source unit 4 of this embodiment comprised as mentioned above is detachably attached to the instrument main body formed in elongate rectangular box shape and attached to a ceiling, for example.

  As described above, the light source unit 4 of the present embodiment includes the light source module 1, the mounting member 5 to which the light source module 1 is attached, and the cover 6 having translucency. The cover 6 is configured to be attached to the attachment member 5 and cover the light source module 1.

  The light source unit 4 of the present embodiment is configured as described above, and the substrate 11 and the optical member 2 are supported by the module main body 3 by one or a plurality of support pieces 32, so parts such as fixing screws are not necessary, Compared to the conventional example, further cost reduction can be achieved. Further, as compared with the case of screwing, the assembly work is simplified when the support piece 32 is bent (crimped), so that further cost reduction can be achieved.

  In the light source unit 4 of the present embodiment, the light source module 1 is attached to the attachment member 5 by caulking the fixing piece 33 provided in the module main body 3. Therefore, the cost can be further reduced as compared with the case where the light source module 1 is screwed to the mounting member 5. Further, as compared with the case of screwing, the assembly work is simplified when the fixing piece 33 is bent (crimped), so that further cost reduction can be achieved.

  Finally, with reference to FIGS. 11-14, the lighting fixture 7 of this embodiment is demonstrated. However, in the following description, unless otherwise specified, the vertical and horizontal directions and the front and rear directions in FIG. 11 are defined.

  It is preferable that the lighting fixture 7 of this embodiment is provided with the fixture main body 8 and the lighting unit 9 attached to the fixture main body 8 so that attachment or detachment is possible. The lighting unit 9 is preferably composed of a plurality of (in the illustrated example, 15) light source modules 1, a unit body 90, a panel 91, a decorative frame 92, a power supply unit 70, and the like.

  The unit main body 90 preferably includes a rectangular flat plate-shaped mounting plate 900 and a rectangular peripheral wall 901 that protrudes downward from the periphery of the mounting plate 900 over the entire circumference. The mounting plate 900 is preferably provided with a plurality of (8 × 15 = 120 in the illustrated example) insertion holes 902. These insertion holes 902 are preferably formed in a rectangular shape whose longitudinal direction is the left-right direction. In addition, eight sets of insertion holes 902 are provided so as to be arranged in two rows of four at regular intervals along the longitudinal direction (left-right direction) and adjacent to each other in the short-side direction (front-rear direction). (See FIG. 14).

  Thus, the fixing piece 33 is inserted upward into the insertion hole 902 of the mounting plate 900 and the fixing piece 33 protruding to the upper surface side of the mounting plate 900 is bent, whereby the light source module 1 is attached to the mounting plate 900. It is fixed (see FIGS. 12 and 14).

  In addition, it is preferable that three attachment springs 903 are attached to the left and right sides of the peripheral wall 901, respectively. The attachment spring 903 is integrally formed with a main body 9030 made of a torsion coil spring and a pair of arm pieces 9031 extending from both spring ends of the main body 9030. The attachment spring 903 is attached to the unit main body 90 by supporting the spring main body 9030 on an attachment fitting 904 provided on the peripheral wall 901.

  The power supply unit 70 is made of a metal-made printed wiring board on which a power conversion circuit that converts AC voltage / current into DC voltage / current, an input terminal block 71, a plurality of output terminal blocks, a signal terminal block 72, and the like are mounted. It is housed in a case 73 and configured. The input terminal block 71 and the signal terminal block 72 are mounted on the front end portion of the printed wiring board, and the output terminal block is mounted on the rear end portion of the printed wiring board (see FIG. 14).

  The case 73 is configured by assembling a case main body 730 formed in a square hook shape and a box-shaped case lid 731 that covers the case main body 730. However, both ends in the longitudinal direction of the printed wiring board on which the input terminal block 71, the output terminal block, and the signal terminal block 72 are mounted are not covered with the case lid 731.

  As shown in FIG. 14, the power supply unit 70 is attached to the upper surface of the mounting plate 900 of the unit main body 90 by screwing. And the output terminal block of the power supply unit 70 and the conductor of the board | substrate 11 of each light source module 1 are electrically connected via an electrical cable.

  The panel 91 is preferably formed in a rectangular flat plate shape using a light-transmitting material (for example, an acrylic resin, a polycarbonate resin, or quartz glass).

  The decorative frame 92 is preferably formed in a rectangular frame shape by processing a metal plate. The decorative frame 92 is preferably attached to the unit main body 90 by an appropriate method such as screwing so as to support the entire periphery of the panel 91 from below.

  The instrument main body 8 is preferably formed in a rectangular box shape having an open lower surface by combining a rectangular tube-shaped frame body 80 and a rectangular flat plate-shaped top plate 81 (FIGS. 11 and 13). reference). The top plate 81 is provided with a first insertion hole 810 through which a power supply line for power feeding is inserted, and a second insertion hole 811 through which a signal line for transmitting a dimming signal is inserted. The power supply line inserted through the first insertion hole 810 is electrically connected to the first terminal block 82 fixed to the lower surface of the top plate 81. The first terminal block 82 is electrically connected to the input terminal block 71 of the power supply unit 70 through a power cable. Therefore, AC power is supplied to the power supply unit 70 from the external power supply (commercial AC power supply) via the first terminal block 82.

  A second terminal block 83 is also fixed to the lower surface of the top plate 81. The second terminal block 83 is connected to a signal line inserted through the second insertion hole 811 and a signal line electrically connected to the signal terminal block 72 of the power supply unit 70. That is, the dimming signal transmitted from the dimmer (not shown) via the signal line is input to the signal terminal block 72 of the power supply unit 70 through the second terminal block 83. Furthermore, the top plate 81 is provided with a plurality of bolt insertion holes 84 through which the suspension bolts are inserted in a line in the left-right direction.

  The top plate 81 configured as described above is attached to the frame body 80. That is, at the upper left and right ends of the frame body 80, three bridges 85 are formed so as to be lined up in the front-rear direction, and three claws 812 provided on the left and right ends of the top plate 81, respectively. Each bridge 85 is hooked separately (see FIG. 13).

  The instrument body 8 is fixed to the suspension bolt by tightening a nut to a suspension bolt inserted into the bolt insertion hole 84 of the top plate 81.

  On the other hand, the frame body 80 constituting the instrument main body 8 is provided with a plurality of hook portions 800 on which the tip portions of the pair of arm pieces 9031 of the attachment springs 903 are hooked separately (see FIG. 13). That is, the lighting unit 9 is supported by the frame body 80 by the plurality of attachment springs 903 while being housed inside the frame body 80. However, since the mounting structure using the plurality of mounting springs 903 is well known in the art, illustration and description of a detailed configuration are omitted.

  As described above, the lighting fixture 7 of the present embodiment includes the light source module 1, the power supply unit 70 that supplies power to the light source module 1 to cause the solid state light emitting device 10 to emit light, and the one or more light source modules 1 and one or more. And an instrument body 8 that supports the power supply unit 70.

  The lighting fixture 7 of the present embodiment is configured as described above, and the substrate 11 and the optical member 2 are supported by the module main body 3 by one or more support pieces 32, so parts such as fixing screws are not necessary, Compared to the conventional example, further cost reduction can be achieved. Further, as compared with the case of screwing, the assembly work is simplified when the support piece 32 is bent (crimped), so that further cost reduction can be achieved.

  Further, in the lighting fixture 7 of the present embodiment, the light source module 1 is attached to the fixture main body 8 (the mounting plate 900 of the unit main body 90) by caulking the fixing piece 33 provided on the module main body 3. Therefore, compared with the case where the light source module 1 is screwed to the mounting plate 900, further cost reduction can be achieved. Further, as compared with the case of screwing, the assembly work is simplified when the fixing piece 33 is bent (crimped), so that further cost reduction can be achieved.

DESCRIPTION OF SYMBOLS 1 Light source module 2 Optical member 3 Module main body 4 Light source unit 5 Mounting member 6 Cover 7 Lighting fixture 8 Appliance main body 10 Solid light emitting element 11 Board | substrate 23 Recessed part (part supported by a support piece)
30 Base plate 31 Side wall 32 Supporting piece 70 Power supply unit 320 Inclined surface

Claims (5)

One or more solid light emitting elements, a substrate on which the solid light emitting elements are mounted, an optical member that covers the surface of the substrate and controls light distribution of light emitted from the solid light emitting elements, A module main body to which the substrate and the optical member are attached;
The module main body includes a base plate that contacts the back surface of the substrate on the front surface side, and one or more support pieces that sandwich and support the substrate and the optical member between the base plate,
The base plate and the support piece are integrally formed by processing the same plate material ,
The base plate is integrally provided with a side wall rising from a side edge,
The support piece includes a light source module, wherein Rukoto is configured by cutting and erecting a part of the side wall. Prior Symbol optical member, the site to be supported by the support piece, a light source module of claim 1, wherein the than other portions, are configured such that the thickness is reduced. The distal end portion of the front Symbol support piece, the light source module of claim 1, wherein a side facing the base plate, the inclined surface which is inclined in a direction away from the base plate toward the tip is formed .   A light source module according to any one of claims 1 to 3, an attachment member to which the light source module is attached, and a cover having translucency, wherein the cover is attached to the attachment member and covers the light source module. A light source unit comprising:   A light source module according to any one of claims 1 to 3, a power supply unit that supplies power to the light source module to cause the solid state light emitting elements to emit light, and supports one or more of the light source modules and one or more of the power supply units. A lighting fixture comprising: a lighting fixture body.

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