JP2014078511A - Light source unit and lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light source unit and a lighting fixture whose appearances are improved during lighting.SOLUTION: A light source unit 2 comprises: an LED board 22 on which a plurality of LEDs 222 are mounted; a fitting member 21 to which the LED board 22 is attached; and a cover member 23 that has diffusibility and is attached to the fitting member 21 so as to cover the LED board 22. The cover material 23 comprises: a pair of protruding wall parts 233, 233 attached to the fitting member 21; and a pair of extending parts 232, 232 extending to the outside of the protruding wall parts 233 in the direction in which the pair of protruding wall parts 233, 233 are arranged with respect to each of the pair of protruding wall parts 233, 233.

Description

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

  2. Description of the Related Art Conventionally, a ceiling-mounted lighting fixture that is attached to a ceiling has been provided (see, for example, Patent Document 1). The lighting fixture includes a horizontally long and long fixture main body, and a light source portion that is attached to the fixture main body using a locking member, and a housing for accommodating the light source portion at the approximate center of the fixture main body. A recess is provided over the entire length.

  The light source section includes a horizontally long and long mounting member, a plurality of substrates each mounted with a plurality of light emitting elements mounted on the bottom surface of the mounting member, and a mounting member so as to cover the plurality of substrates. And a cover member attached to the. And the light source part assembled | attached integrally is attached to an instrument main body using a locking member in the state in which the one part was accommodated in the accommodation recessed part of the instrument main body.

JP 2012-3993 A

  In the lighting fixture shown in Patent Document 1 described above, a gap is formed between the cover member and the housing recess when the light source is attached to the fixture body, and when the light source is turned on, the gap becomes streak-like. It looks dark, so it doesn't look good when I look up at the luminaire.

  This invention is made | formed in view of the said problem, The place made into the objective is to provide the light source unit and the lighting fixture which improved the appearance at the time of lighting.

  The light source unit of the present invention includes an LED substrate on which a plurality of LEDs are mounted, an attachment member to which the LED substrate is attached, and a cover member that has diffusion and is attached to the attachment member so as to cover the LED substrate. The cover member includes a pair of projecting wall portions attached to the attachment member, and an outer side of the projecting wall portion in a direction in which the pair of projecting wall portions are aligned with each of the pair of projecting wall portions. It has a pair of extending part which extends.

  In this light source unit, the cover member is formed in a long shape, and each of the pair of extending portions extends away from both ends in the width direction orthogonal to the longitudinal direction of the cover member, Each of the pair of protruding wall portions preferably protrudes toward the mounting member on the inner side of each of the pair of extending portions in the width direction of the cover member.

  Further, in this light source unit, the cover member is orthogonal to the longitudinal direction and the width direction of the instrument body in a state where the light source unit is accommodated in a housing recess provided on one surface of the instrument body formed in a long shape. It is also preferable that each of the pair of extending portions overlaps with an opening edge of the receiving recess in the direction in which it is performed.

  Further, in this light source unit, the cover member is diffused so that a protruding amount in a direction orthogonal to the longitudinal direction and the width direction of the instrument body increases as it goes from both ends in the width direction of the instrument body to the center side. It is also preferable to have a surface.

  The light source unit preferably includes a power supply device that supplies lighting power to the plurality of LEDs.

  The lighting fixture of the present invention includes a fixture main body formed in an elongated shape, a light source unit attached to the fixture main body, and a power supply device that supplies lighting power to the light source unit. Is provided with a rectangular accommodating recess along the longitudinal direction of the instrument body, and the power supply device is disposed in the accommodating recess in a state in which the light source unit is attached to the instrument body. Is a LED board on which a plurality of LEDs are mounted, an attachment member for attaching the LED board to the instrument body so that the plurality of LEDs face the outside of the housing recess, and the plurality of diffusive elements. A cover member attached to the attachment member so as to cover the LED, and the cover member is attached to the front of the instrument body in a state where the light source unit is attached to the instrument body. Wherein the extended portion overlaps a longitudinal direction and opening edge of the accommodating recess in a direction perpendicular to the width direction of the instrument main body.

  In this lighting apparatus, the cover member is formed such that a protruding amount in a direction orthogonal to the longitudinal direction and the width direction of the apparatus main body increases as it goes from the both end sides in the width direction of the apparatus main body to the center side. It is preferable.

  In this lighting fixture, it is preferable that the fixture body is provided with an inclined surface that is continuous with the inclined surface of the cover member in a state where the light source unit is attached to the fixture body.

  When the light source unit is housed in the housing recess provided on one surface of the instrument body formed in a long shape, the extending part of the cover member is in the direction orthogonal to the longitudinal direction and the width direction of the instrument body. It overlaps with the opening edge of the housing recess. As a result, there is no gap between the cover member and the housing recess, so that when the light source unit is turned on, it does not darken in a streak shape, and a light source unit with improved appearance at the time of lighting is provided. There is an effect that can be done.

(A) is sectional drawing of the light source unit of this embodiment, (b) is sectional drawing of the lighting fixture using the same. It is a disassembled perspective view of the lighting fixture using the same as the above. It is a whole perspective view of the lighting fixture using the same. It is a perspective view of the state which removed the same from the lighting fixture. (A) is sectional drawing same as the above, (b) is sectional drawing of another lighting fixture using the same as the above.

  Below, embodiment of the lighting fixture A is described with reference to FIGS. In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the direction shown in FIG. 1B, and the direction perpendicular to the paper surface in FIG. I do.

  The lighting fixture A of this embodiment is a ceiling direct attachment type lighting fixture as shown in FIGS. 1-4, and the fixture attached to the ceiling material 100 using the suspension bolt 200 (refer FIG.1 (b)). A main body 1 and a light source unit 2 detachably attached to the instrument main body 1 are provided.

  The instrument main body 1 is formed into a flat box shape that is long and has an upper surface (a surface facing the ceiling material 100) opened by bending the sheet metal, and on the side opposite to the ceiling material 100 (that is, the lower side). A rectangular housing recess 11 for housing the light source unit 2 is provided over the entire length of the instrument body 1. In addition, on both sides of the housing recess 11 in the left-right direction (width direction) of the instrument body 1, inclined surfaces 12 that extend from the opening edge of the housing recess 11 and incline upward (toward the ceiling material 100) toward the outside. 12 are provided.

  Further, a plurality of holes (5 in FIG. 2) are provided in the bottom surface portion 111 of the housing recess 11 along the front-rear direction (longitudinal direction) for passing the electric wire, and further, the suspension bolt 200 is passed through. Two holes 111b are provided at positions near both ends in the front-rear direction. Furthermore, as shown in FIGS. 2 to 4, end caps 3 are respectively attached to both ends of the instrument body 1 in the front-rear direction.

  As shown in FIGS. 1A and 2, the light source unit 2 covers a plurality of (two in FIG. 2) LED boards 22, a mounting member 21 to which the LED boards 22 are attached, and the LED boards 22. And a cover member 23 attached to the attachment member 21. The light source unit 2 includes a power supply device 24 that supplies predetermined lighting power to the LED substrate 22 and a terminal block block 25.

  The LED board 22 includes a printed board 221 formed in a rectangular plate shape that is long in the front-rear direction. A plurality of LEDs (light emitting diodes) 222 are mounted on the lower surface of the printed board 221 along the front-rear direction (longitudinal direction). Yes. In addition, a connector 223 for electrically connecting the power supply device 24 is mounted on one end (right end) of the LED substrate 22 on one side (right side in FIG. 2). An electric wire (not shown) is connected to the connector 223, and the LED substrate 22 and the power supply device 24 are electrically connected by connecting the end of the electric wire to the power supply device 24.

  Further, a power supply connector 224 is mounted on each LED substrate 22 at an end facing the adjacent LED substrate 22. Then, by connecting the connectors 224 and 224 of the LED boards 22 and 22, the power is supplied from the LED board 22 on one side (right side in FIG. 2) to the LED board 22 on the other side (left side in FIG. 2). Can do.

  The mounting member 21 is formed in a U shape by bending a sheet metal, and is a bottom surface portion 211 formed in a long and rectangular plate shape, and a vertical direction from both ends in the left-right direction (width direction) of the bottom surface portion 211. It is comprised by a pair of side part 212 extended in (the direction orthogonal to the bottom face part 211). As shown in FIG. 1A, inclined portions 212a that are inclined in directions away from each other are provided at the front ends of the side surfaces 212, respectively.

  A hole 211a is formed in one end portion (right end portion in FIG. 2) of the bottom surface portion 211 in the front-rear direction (longitudinal direction). Yes. In addition, a rectangular recess 211b formed by projecting a part of the bottom surface portion 211 upward is provided at a substantially center in the front-rear direction of the bottom surface portion 211. The concave portion 211 b is for securing an insulation distance between the connector 224 and the bottom surface portion 211 of the mounting member 21 in a state where both the LED boards 22 and 22 are mounted on the mounting member 21.

  In addition, the LED board 22 mentioned above is fixed to the attachment member 21 by the latching claw (not shown) formed, for example by cutting and raising a part of the bottom face part 211 of the attachment member 21. FIG.

  The cover member 23 is formed in a long shape whose upper surface (surface on the mounting member 21 side) is opened by a diffusible material (for example, milky white acrylic resin). The cover member 23 has a convex lens-shaped diffusing surface 231 in which the amount of protrusion downward increases in the left-right direction (width direction) from the both end sides toward the center side (see FIG. 1A). ). Thus, by making the shape of the diffusing surface 231 the above shape, the light distribution in each direction can be made substantially equal as compared with the case where the downward projection amount is made equal.

  Further, at both ends in the left-right direction of the cover member 23, as shown in FIG. 1 (b), with the light source unit 2 attached to the instrument body 1, the open ends of the housing recesses 11 of the instrument body 1 in the vertical direction An extending portion 232 that overlaps the edge is provided. In addition, projecting wall portions 233 projecting upward (on the attachment member 21 side) are provided on the inner sides of the extending portions 232 in the left-right direction of the cover member 23, respectively. Protrusions 233a projecting inward are provided at the tips.

  The power supply device 24 includes a power supply board 241 and a storage case 242 for storing the power supply board 241. The power supply board 241 includes a printed board 241a formed in a rectangular plate shape that is long in the front-rear direction. The printed board 241a includes at least circuit components (for example, a transformer, a diode, a capacitor, etc.) 241b for generating lighting power for the LEDs 222. Has been implemented.

  As shown in FIG. 1A, the storage case 242 has a rectangular box-shaped storage part 242a having one surface (a surface facing the bottom surface part 211 of the mounting member 21) open and long in the front-rear direction. In addition, the storage case 242 has a groove portion 242e including a space surrounded by the first extension portion 242b, the second extension portion 242c, and the side surface portion 242d of the storage portion 242a.

  The first extension part 242b extends from the opening edge of the storage part 242a to the side (left side in FIG. 1A), and the second extension part 242c is above the tip of the first extension part 242b. It extends to (the instrument body 1 side). Further, the side surface part 242d of the storage part 242a faces the second extension part 242c.

  The groove 242e is used as a wiring space for passing an electric wire from the terminal block block 25 to the power supply device 24, an electric wire from the power supply device 24 to the LED substrate 22, an electric wire for sending electric power to the adjacent lighting fixture A, and the like. And the power supply device 24 is in a state in which at least a part is accommodated in the accommodating portion 213 composed of a space surrounded by the bottom surface portion 211 and the both side surface portions 212 and 212 of the attachment member 21, for example, using a screw or the like. Attached to.

  The terminal block 25 includes a terminal block 251 formed in a rectangular box shape and a mounting bracket 252 for mounting the terminal block 251 to the mounting member 21. A power line (not shown) exposed to the indoor side (lower side) through the ceiling member 100 is connected to the terminal block 251, and an electric wire (not shown) that electrically connects the power source 24. Is connected. And this terminal block block 25 is attached to the attachment member 21 using a screw etc. in the state in which at least one part was accommodated in the accommodating part 213, for example.

  Next, the assembly procedure of the light source unit 2 will be described. First, the operator attaches the power supply device 24 and the terminal block block 25 to the upper surface side of the attachment member 21, respectively, and further connects the power supply device 24 and the terminal block block 25 with electric wires. Thereafter, the operator fixes the LED board 22 to the bottom surface portion 211 of the mounting member 21 with the locking claws, and the electric wire led out from the connector 223 of the LED board 22 into the hole 211 a provided in the bottom surface portion 211 of the mounting member 21. After passing, the end is connected to the power supply device 24.

  Finally, the operator attaches the cover member 23 to the attachment member 21 with the opening side facing upward. At this time, the protrusions 233 a provided on the respective protruding wall portions 233 of the cover member 23 are hooked on the inclined portions 212 a provided on the respective side surface portions 212 of the attachment member 21, and the cover member 23 is attached to the attachment member 21. The light source unit 2 is assembled according to the above procedure. In addition, the said method of attaching the cover member 23 to the attachment member 21 is an example, and another method may be sufficient.

  Then, the construction procedure of the lighting fixture A is demonstrated. First, the operator passes the power line exposed to the indoor side through the hole 111a provided in the instrument main body 1, passes the suspension bolt 200 exposed to the indoor side through the ceiling material 100, and then passes through the hole 111b. A nut 300 is screwed into 200 to fix the instrument body 1 to the ceiling material 100.

  Thereafter, the operator connects the power line to the terminal block 251 and attaches the light source unit 2 to the instrument body 1 by fitting structures (not shown) provided on the instrument body 1 and the attachment member 21, respectively. At this time, at least the power supply device 24 and the terminal block 25 are accommodated in the accommodating recess 11. The lighting fixture A is constructed on the ceiling according to the above procedure.

  Here, FIG. 1B is a cross-sectional view of a state in which the lighting fixture A is attached to the ceiling material 100, and the cover member 23 extends in the vertical direction (the direction perpendicular to the longitudinal direction and the width direction of the fixture body 1). The protruding portion 232 overlaps the opening edge of the housing recess 11 of the instrument body 1. As a result, there is no gap between the cover member 23 and the housing recess 11, so that the lighting fixture A that does not darken in a streak shape when the light source unit 2 is turned on and has improved appearance during lighting is provided. Can be provided.

  At this time, both inclined surfaces 12 and 12 provided on the instrument main body 1 and the diffusing surface 231 of the cover member 23 are continuous, whereby the unity of the instrument main body 1 and the light source unit 2 is enhanced, and the design is improved. It is possible to provide a lighting apparatus A that is superior to the above. Here, in this embodiment, the diffusing surface 231 forms an inclined surface of the cover member.

  FIG.5 (b) is sectional drawing which shows another example of the lighting fixture A of this embodiment. In the above-described embodiment, the ceiling-mounted lighting fixture attached to the ceiling material 100 has been described. However, as in this example, the ceiling embedding installed in the back of the ceiling through the embedded hole 100a provided in the ceiling material 100. It may be a type of lighting fixture.

  The lighting fixture A of this example is detachably attached to the support member 4 installed on the back of the ceiling using a suspension bolt (not shown), the reflection plate 5 attached to the support member 4, and the reflection plate 5. The light source unit 2 is provided. The light source unit 2 is the same as that in the above-described embodiment, and the description thereof is omitted here.

  The reflector 5 is formed in a flat box shape that is long and has an open bottom by bending the sheet metal, and a rectangular housing recess 51 for housing the light source unit 2 is formed on the bottom surface of the reflector 5. Is provided over the entire length of the reflector 5. Moreover, the opening edge of the reflecting plate 5 is provided with a flange 52 extending over the entire circumference, and when the reflecting plate 5 is attached to the support member 4 installed on the back of the ceiling. The flange portion 52 is in contact with the lower surface of the ceiling material 100 (see FIG. 5B). Here, in the present example, the reflector main body is constituted by the reflecting plate 5.

  Next, the construction procedure of the lighting fixture A will be described. First, the operator places the support member 4 on the back of the ceiling through the embedded hole 100a provided in the ceiling material 100, and attaches the support member 4 to a suspension bolt (not shown) provided on the back of the ceiling. Thereafter, the operator pulls out a power line (not shown) wired on the back of the ceiling to the indoor side (lower side) through a hole (not shown) provided in the housing recess 51 of the reflecting plate 5, for example, a screw or the like. The reflecting plate 5 is attached to the support member 4 by using it.

  Finally, the operator connects the power supply line to a terminal block (not shown), and connects the light source unit 2 to the reflecting plate by a fitting structure (not shown) provided on the reflecting plate 5 and the mounting member 21, for example. Attach to 5. At this time, at least the power supply device 24 and the terminal block are accommodated in the accommodating recess 51. The lighting fixture A is installed behind the ceiling according to the above procedure.

  Here, extending portions 232 are provided at both ends in the left-right direction (width direction) of the cover member 23, and in the state where the light source unit 2 is attached to the reflection plate 5, the extending portions 232 in the vertical direction. Respectively overlap with the opening edge of the housing recess 51. Thereby, since a gap does not occur between the cover member 23 and the housing recess 51, the lighting fixture A that does not darken in a streak shape when the light source unit 2 is turned on and has improved appearance at the time of lighting is provided. Can be provided.

  The light source unit 2 according to the present embodiment is attached to the mounting member 21 so as to cover the LED board 22 having a diffusibility, the LED board 22 on which the plurality of LEDs 222 are mounted, the mounting member 21 to which the LED board 22 is attached, and the LED board 22. Cover member 23 to be provided. The cover member 23 includes a pair of protruding wall portions 233 and 233 attached to the attachment member 21 and a protruding wall portion 233 in a direction in which the pair of protruding wall portions 233 and 233 are aligned with each of the pair of protruding wall portions 233 and 233. And a pair of extending portions 232 and 232 extending outward.

  Moreover, it is preferable that the cover member 23 is formed in a long shape like the light source unit 2 of the present embodiment. In this case, each of the pair of extending portions 232 and 232 extends away from both ends in the width direction orthogonal to the longitudinal direction of the cover member 23, and each of the pair of protruding wall portions 233 and 233 Projecting toward the mounting member 21 on the inner side of each of the pair of extending portions 232 and 232 in the width direction of the member 23.

  Moreover, like the light source unit 2 of this embodiment, the cover member 23 is the instrument main body 1 in the state which accommodated the light source unit 2 in the accommodation recessed part 11 provided in one surface of the instrument main body 1 formed in the elongate shape. It is preferable that each of the pair of extending portions 232 and 232 overlaps the opening edge of the housing recess 11 in the direction perpendicular to the longitudinal direction and the width direction.

  Further, like the light source unit 2 of the present embodiment, the cover member 23 protrudes in the direction perpendicular to the longitudinal direction and the width direction of the instrument body 1 as it goes from the both end sides in the width direction of the instrument body 1 to the center side. It is preferable to have a diffusing surface 231 that increases.

  Moreover, it is preferable to provide the power supply device 24 which supplies lighting power to several LED222 like the light source unit 2 of this embodiment.

  The lighting fixture A of the present embodiment includes a fixture main body 1 formed in an elongated shape, a light source unit 2 attached to the fixture main body 1, and a power supply device 24 that supplies lighting power to the light source unit 2. A rectangular housing recess 11 is provided on one surface of the instrument body 1 along the longitudinal direction of the instrument body 1. The power supply device 24 is disposed in the housing recess 11 in a state where the light source unit 2 is attached to the instrument body 1. The light source unit 2 includes an LED substrate 22, a mounting member 21, and a cover member 23. A plurality of LEDs 222 are mounted on the LED substrate 22. The attachment member 21 attaches the LED substrate 22 to the instrument body 1 such that the plurality of LEDs 222 face the outside of the housing recess 11. The cover member 23 has diffusibility and is attached to the attachment member 21 so as to cover the plurality of LEDs 222. Further, the cover member 23 is provided with an extending portion 232 that overlaps the opening edge of the housing recess 11 in a direction orthogonal to the longitudinal direction and the width direction of the instrument body 1 in a state where the light source unit 2 is attached to the instrument body 1. ing.

  Moreover, like the lighting fixture A of this embodiment, the cover member 23 protrudes in the direction orthogonal to the longitudinal direction and the width direction of the fixture body 1 as it goes from the both ends in the width direction of the fixture body 1 to the center side. Is preferably formed so as to be large.

  Moreover, like the lighting fixture A of the present embodiment, the fixture body 1 is provided with an inclined surface 12 that is continuous with the diffusion surface 231 (inclined surface) of the cover member 23 in a state where the light source unit 2 is attached to the fixture body 1. It is preferred that

2 Light source unit 21 Mounting member 22 LED substrate 23 Cover member 222 LED
232 Extension part 233 Projection wall part

The light source unit of the present invention, an LED substrate on which a plurality of LED are mounted, a mounting member to which the LED substrate is mounted, a cover member attached to the mounting member so as to cover and the LED substrate has a diffusibility a light source unit comprising the door, the cover member includes a pair of projecting wall portions attached to said mounting member, said in the pair of projecting wall portions are aligned direction with respect to each of the pair of projecting wall portions A pair of extending portions extending outward from the protruding wall portion, and the cover member houses the light source unit in a housing recess provided on one surface of the instrument body formed in an elongated shape Then, in the direction orthogonal to the longitudinal direction and the width direction of the instrument main body, each of the pair of extending portions overlaps with the opening edge of the accommodating recess so as not to form a gap .

The lighting fixture of the present invention includes a fixture main body formed in an elongated shape, a light source unit attached to the fixture main body, and a power supply device that supplies lighting power to the light source unit. Is provided with a rectangular accommodating recess along the longitudinal direction of the instrument body, and the power supply device is disposed in the accommodating recess in a state in which the light source unit is attached to the instrument body. Has an LED substrate on which a plurality of LEDs are mounted, an attachment member for attaching the LED substrate to the instrument body so that the plurality of LEDs face the outside of the housing recess, and has diffusibility and A cover member that is attached to the attachment member so as to cover a plurality of LEDs, and the cover member is in a state in which the light source unit is attached to the instrument body. Wherein the extending portions overlap so that no opening edge and the clearance of the receiving recess in the direction perpendicular to the longitudinal direction and the width direction of the instrument main body.

Claims (8)

An LED board on which a plurality of LEDs are mounted; an attachment member to which the LED board is attached; and a cover member that has diffusibility and is attached to the attachment member so as to cover the LED board;
The cover member extends outward from the protruding wall portion in a direction in which the pair of protruding wall portions are aligned with each of the pair of protruding wall portions and the pair of protruding wall portions attached to the mounting member. A light source unit comprising a pair of extending portions.   The cover member is formed in an elongated shape, and each of the pair of extending portions extends in a direction away from both ends in the width direction orthogonal to the longitudinal direction of the cover member, and the pair of protruding walls 2. The light source unit according to claim 1, wherein each of the portions protrudes toward the mounting member on the inner side of each of the pair of extending portions in the width direction of the cover member.   In a state where the light source unit is housed in a housing recess provided on one surface of the instrument body formed in a long shape, the cover member extends the pair of extension members in a direction perpendicular to the longitudinal direction and the width direction of the instrument body. 3. The light source unit according to claim 1, wherein each of the protruding portions overlaps with an opening edge of the receiving recess.   The cover member has a diffusing surface such that the amount of protrusion in the direction perpendicular to the longitudinal direction and the width direction of the instrument body increases from the both ends in the width direction of the instrument body toward the center. The light source unit according to claim 3.   The light source unit according to any one of claims 1 to 4, further comprising a power supply device that supplies lighting power to the plurality of LEDs. An instrument body formed in a long shape, a light source unit attached to the instrument body, and a power supply device that supplies lighting power to the light source unit,
On one surface of the instrument body, a rectangular accommodation recess is provided along the longitudinal direction of the instrument body,
The power supply device is disposed in the housing recess in a state where the light source unit is attached to the instrument body,
The light source unit has an LED substrate on which a plurality of LEDs are mounted, an attachment member for attaching the LED substrate to the instrument body so that the plurality of LEDs face the outside of the housing recess, and has diffusibility. And a cover member attached to the attachment member so as to cover the plurality of LEDs,
The cover member is provided with an extending portion that overlaps the opening edge of the housing recess in a direction orthogonal to the longitudinal direction and the width direction of the instrument body in a state where the light source unit is attached to the instrument body. Lighting equipment characterized by   The cover member is formed such that a protruding amount in a direction perpendicular to the longitudinal direction and the width direction of the instrument body increases as it goes from both end sides to the center side in the width direction of the instrument body. The lighting fixture according to claim 6.   The lighting fixture according to claim 7, wherein the fixture main body is provided with an inclined surface continuous with the inclined surface of the cover member in a state where the light source unit is attached to the fixture main body.

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