JP5453503B1 - Light source unit and lighting apparatus - Google Patents

Abstract

The present invention provides a lighting fixture that suppresses the amount of protrusion from a ceiling low.
A lighting fixture A includes a fixture main body 1 that is formed in a long shape and is attached to a ceiling member 100 using a suspension bolt 200, and a light source unit 2 that is detachably attached to the fixture main body 1. On the opposite side of the instrument body 1 from the ceiling material 100, an accommodation recess 11 is provided along the longitudinal direction of the instrument body 1, and a hole for passing the suspension bolt 200 is provided on the bottom surface portion 111 of the accommodation recess 11. ing. The light source unit 2 includes an LED substrate 22 on which a plurality of LEDs 222 are mounted, an attachment member 21 for attaching the LED substrate 22 to the fixture body 1, and a power supply device 24 that supplies lighting power to the plurality of LEDs 222. . The attachment member 21 has a housing portion 213 at a portion facing the housing recess 11 of the instrument body 1, and the power supply device 24 is disposed at a position where it does not interfere with the suspension bolt 200 when the light source unit 2 is attached to the instrument body 1. Is done.
[Selection] Figure 1

Description

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

  2. Description of the Related Art Conventionally, ceiling-mounted lighting fixtures that are attached to a ceiling using mounting screws have been provided (see, for example, Patent Document 1). This lighting fixture includes a base plate that is formed in a horizontally long and long shape, a wing portion that is disposed on the opposite side of the ceiling with respect to the base plate, and an LED unit that is attached to the wing portion using a plurality of holders. A plurality of screw holes through which the mounting screws are passed are provided in the substantially central portion of the base plate along the longitudinal direction. The LED unit includes a plurality of LED modules, a support member that supports the plurality of LED modules, a cover that is attached to the support member so as to cover the plurality of LED modules, and power for supplying power to the plurality of LEDs. And a conversion unit. And the LED unit assembled | attached integrally is attached to a wing part using a some holder in the state accommodated in the recessed part provided in the wing part.

JP 2011-142063 A

  In the luminaire shown in Patent Document 1 described above, the mounting screw is not allowed to enter the recess of the wing portion when attached to the ceiling, and the space for arranging the screw head of the mounting screw is the base plate. Since it was provided between the wing parts, the height dimension of the whole instrument became large, and as a result, the protrusion amount from the ceiling was large.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a light source unit and a lighting fixture in which the amount of protrusion from the ceiling is kept low.

Lighting devices of the present invention includes an instrument body attached to the ceiling material using hanging bolts are formed in an elongated shape, and a light source unit that is attach to the instrument body, opposite to the ceiling material in the instrument body on the side, it said longitudinal housing recess along the instrument body is provided on the bottom surface of the accommodating recess is hole is provided for passing the hanging bolt, the light source unit, a plurality of LED and implemented LED board, a mounting member for mounting the LED substrate to the instrument body said plurality of LED thereof faces outward of the housing recess, and a power supply device for supplying lighting power to the plurality of LED have a, the mounting member may have a housing part at least partially and the power supply device is disposed in the suspended bolt portion which faces the housing recess of said instrument body, said power supply, before The light source unit characterized in that it is arranged at a position not interfering with the hanging bolts in the fixture main body to the mounting said accommodating portion in a state.

In this luminaire, the mounting member is formed in a bottom portion formed in an elongated and rectangular plate shape, a pair of side portions which protrude from both sides in the width direction of the bottom portion in a direction intersecting the bottom portion are, the receiving portion by a space surrounded by said bottom portion and a pair of the side portions is preferably configured.
A light source unit of the present invention is a light source unit that has a hole for passing a suspension bolt and is attached to a fixture body that is attached to a ceiling material by the suspension bolt that is passed through the hole, and a plurality of LEDs are mounted thereon. An LED board, a power supply device that supplies lighting power to the plurality of LEDs, and a plate-like attachment member on which the LED board is disposed on one surface side and the power supply device is disposed on the other surface side, and the attachment member Has a housing portion in which at least a part of the suspension bolt and the power supply device are disposed at a portion facing the device main body, and the power supply device is housed in a state where the light source unit is attached to the device main body. It is arrange | positioned in the position which does not interfere with the said suspending bolt in a part.
In this light source unit, the attachment member is formed of a bottom surface portion formed in a long and rectangular plate shape, and a pair of side surface portions projecting in a direction intersecting the bottom surface portion from both sides in the width direction of the bottom surface portion. It is preferable that the accommodating portion is constituted by a space surrounded by the bottom surface portion and the pair of side surface portions.

  In a state where the light source unit is attached to the instrument body, at least a part of the suspension bolt is arranged in the accommodation part of the attachment member, so that the overall height of the instrument can be reduced as compared with the case where no accommodation part is provided. As a result, there is an effect that it is possible to provide a lighting apparatus that can suppress the amount of protrusion from the ceiling low.

(A) is sectional drawing which can be abbreviate | omitted partially along the width direction of the lighting fixture of this embodiment, (b) is sectional drawing along the longitudinal direction same as the above. It is an exploded perspective view same as the above. It is a whole perspective view same as the above. It is a perspective view of the state which removed the light source unit from 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. Accordingly, the left-right direction in FIG.

  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. In this embodiment, as shown in FIG. 1A, a suspension bolt 200 is attached to a beam 400 provided on the back of the ceiling, and the suspension bolt 200 passes through a hole provided in the ceiling material 100 so that the suspension bolt 200 is on the indoor side (lower side). ) Is exposed.

  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 FIG. 2, the light source unit 2 is attached to the mounting member 21 so as to cover a plurality of (two in FIG. 2) LED substrates 22, the mounting member 21 to which the LED substrates 22 are mounted, and the LED substrate 22. Cover member 23, power supply device 24 for supplying predetermined lighting power to LED substrate 22, and 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. 1 (b), inclined portions 212 a that are inclined in directions away from each other are provided at the front ends of the respective side surface portions 212. 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 with a diffusible material (for example, milky white acrylic resin), and from both ends to the center in the left-right direction (width direction). A convex lens-shaped diffusing surface 231 is provided so that the amount of downward protrusion increases as the distance increases. 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 circuit components (for example, a transformer, a diode, a capacitor, and the like) that are required to generate at least the lighting power of the LED 222. Etc.) 241b is implemented. As shown in FIG. 1B, the storage case 242 has a rectangular box-shaped storage part 242a having an open front surface (a surface facing the bottom surface part 211 of the mounting member 21) and long in the front-rear direction, and the storage part 242a. A first extension 242b extending from the opening edge to the side (left side in FIG. 1B), and a second extension extending from the tip of the first extension 242b upward (apparatus body 1 side) It has the groove part 242e which consists of the space enclosed by the side part 242d of the accommodating part 242a facing the protrusion part 242c and the 2nd extension part 242c. The groove 242e is used as a wiring space for passing an electric wire from the terminal block 25 to the power supply device 24, an electric wire from the power supply device 24 to the LED substrate 22, a feed electric wire to the adjacent lighting fixture A, and the like. And this power supply device 24 is an attachment member using a screw etc., for example in the state in which at least one part was accommodated in the accommodating part 213 which consists of the space enclosed by the bottom face part 211 and the both-sides surface parts 212 and 212 of the attachment member 21. 21 is attached.

  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 above-mentioned locking claws, and further, the hole 211a provided in the bottom surface portion 211 of the mounting member 21 with an electric wire led out from the connector 223 of the LED board 22. Then, 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 engage with the inclined portions 212 a provided on the respective side surface portions 212 of the attachment member 21, so that the cover member 23 is attached to the attachment member 21. It is done. 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 body 1, and further passes the suspension bolt 200 exposed to the indoor side through the ceiling material 100 through the hole 111b. A nut 300 is screwed into the bolt 200 to fix the instrument body 1 to the ceiling material 100. After that, the operator connects the power line to the terminal block 251, and at least the power supply device 24 and the terminal block block 25 are accommodated in the accommodating recess 11, for example, provided on the instrument body 1 and the attachment member 21, respectively. The light source unit 2 is attached to the instrument body 1 by a fitting structure (not shown). The lighting fixture A is constructed on the ceiling according to the above procedure.

  Here, FIG. 1A and FIG. 1B are cross-sectional views of the state in which the lighting fixture A is attached to the ceiling material 100, and as shown in FIG. A part of the device 24 is disposed in the accommodating portion 213 of the attachment member 21. Further, as shown in FIG. 1A, the longitudinal dimension L1 (dimension along the front-rear direction) of the power supply device 24 is set to be smaller than the mounting pitch dimension P1 of the suspension bolt 200. The power supply device 24 can be arranged so as not to interfere with the suspension bolt 200 in the left-right direction in (a).

Thus, according to the present embodiment, when the light source unit 2 is attached to the instrument body 1, at least a part of the suspension bolt 200 is disposed in the accommodation portion 213 of the attachment member 21, and thus no accommodation portion is provided. Compared to the above, the overall height of the fixture can be reduced, and as a result, the lighting fixture A can be provided with a low protrusion from the ceiling. Further, the accommodating portion 213 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 board 22, a feed electric wire to the adjacent lighting fixture A, and the like. You can also. Furthermore, by making the shape of the attachment member 21 U-shaped, it becomes easy to form, and as a result, the number of manufacturing steps can be reduced and the cost can be reduced.
The lighting fixture A of the present embodiment includes a fixture main body 1 that is formed in a long shape and is attached to the ceiling material 100 using a suspension bolt 200, and a light source unit 2 that is attached to the fixture main body 1. On the opposite side of the instrument body 1 from the ceiling material 100, an accommodation recess 11 is provided along the longitudinal direction of the instrument body 1, and a hole 111 b for passing the suspension bolt 200 is provided on the bottom surface portion 111 of the accommodation recess 11. ing. The light source unit 2 includes an LED substrate 22 on which a plurality of LEDs 222 are mounted, an attachment member 21 for attaching the LED substrate 22 to the instrument body 1 such that the plurality of LEDs 222 face the outside of the housing recess 11, and a plurality of LEDs 222. And a power supply device 24 for supplying lighting power. The attachment member 21 has a housing portion 213 in which at least a part of the suspension bolt 200 and the power supply device 24 are disposed at a portion facing the housing recess 11 of the instrument body 1. The power supply device 24 is disposed at a position that does not interfere with the suspension bolt 200 in the housing portion 213 in a state where the light source unit 2 is attached to the instrument body 1.
Further, as in the lighting fixture A of the present embodiment, the attachment member 21 has a bottom surface portion 211 formed in a long and rectangular plate shape, and a direction intersecting the bottom surface portion 211 from both sides in the width direction of the bottom surface portion 211. It is preferable to be formed by a pair of protruding side surface portions 212. In this case, the housing portion 213 is configured by a space surrounded by the bottom surface portion 211 and the pair of side surface portions 212.
The light source unit 2 of the present embodiment has a hole 111b through which the suspension bolt 200 is passed, and is attached to the fixture body 1 attached to the ceiling material 100 by the suspension bolt 200 passed through the hole 111b. The light source unit 2 includes an LED substrate 22, a power supply device 24, and an attachment member 21. A plurality of LEDs 222 are mounted on the LED substrate 22. The power supply device 24 supplies lighting power to the plurality of LEDs 222. The attachment member 21 is plate-shaped, and the LED board 22 is disposed on one surface side, and the power supply device 24 is disposed on the other surface side. The attachment member 21 has a housing portion 213 in which at least a part of the suspension bolt 200 and the power supply device 24 are disposed at a portion facing the instrument body 1. The power supply device 24 is disposed at a position that does not interfere with the suspension bolt 200 in the housing portion 213 in a state where the light source unit 2 is attached to the instrument body 1.
Further, as in the light source unit 2 of the present embodiment, the attachment member 21 includes a bottom surface portion 211 formed in a long and rectangular plate shape, and a direction intersecting the bottom surface portion 211 from both sides in the width direction of the bottom surface portion 211. It is preferable to be formed by a pair of protruding side surface portions 212. In this case, the housing portion 213 is configured by a space surrounded by the bottom surface portion 211 and the pair of side surface portions 212.

DESCRIPTION OF SYMBOLS 1 Appliance main body 2 Light source unit 11 Accommodation recessed part 21 Attachment member 22 LED board 24 Power supply device 100 Ceiling material 111 Bottom part 200 Hanging bolt 213 Accommodation part 222 LED
A lighting equipment

Claims (4)

Comprising an instrument body attached to the ceiling material using bolts hanging formed in an elongated shape, and a light source unit that is attach to the instrument body,
On the side opposite to the ceiling material in the instrument body, an accommodation recess is provided along the longitudinal direction of the instrument body, and a hole for passing the suspension bolt is provided in the bottom surface of the accommodation recess,
The light source unit includes 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 the plurality of LEDs And a power supply device for supplying lighting power to
The attachment member has a housing portion in which at least a part of the suspension bolt and the power supply device are disposed at a portion facing the housing recess of the instrument body,
The said power supply device is arrange | positioned in the position which does not interfere with the said suspension bolt in the said accommodating part in the state which attached the said light source unit to the said instrument main body.   The attachment member is formed of a bottom surface portion formed in a long and rectangular plate shape, and a pair of side surface portions protruding in a direction intersecting the bottom surface portion from both sides in the width direction of the bottom surface portion, The lighting device according to claim 1, wherein the housing portion is configured by a space surrounded by a bottom surface portion and the pair of side surface portions. A light source unit having a hole for passing a suspension bolt and attached to a fixture body attached to a ceiling material by the suspension bolt passed through the hole;
An LED substrate on which a plurality of LEDs are mounted; a power supply device that supplies lighting power to the plurality of LEDs; a plate-like mounting member on which the LED substrate is disposed on one surface side and the power supply device is disposed on the other surface side; With
The attachment member has a housing part in which at least a part of the suspension bolt and the power supply device are arranged at a part facing the instrument body,
The light source unit is disposed at a position where the power source device does not interfere with the suspension bolt in the housing portion in a state where the light source unit is attached to the instrument body. The attachment member is formed of a bottom surface portion formed in a long and rectangular plate shape, and a pair of side surface portions protruding in a direction intersecting the bottom surface portion from both sides in the width direction of the bottom surface portion, The light source unit according to claim 1, wherein the housing portion is configured by a space surrounded by a bottom surface portion and the pair of side surface portions.

Images