WO2014057664A1

WO2014057664A1 - Light source unit and illumination fixture

Info

Publication number: WO2014057664A1
Application number: PCT/JP2013/006009
Authority: WO
Inventors: 長岡　慎一; 貴久下村; 正博清水; 由浩坂下; 美紀若林; 範子瀬野; 河野　研一; 河野　忠博
Original assignee: パナソニック株式会社
Priority date: 2012-10-11
Filing date: 2013-10-09
Publication date: 2014-04-17
Also published as: JP5453503B1; CN204693345U; IN2015DN03739A; JP2014078423A

Abstract

This light source unit has a hole for a suspension bolt to pass through, and is removably attached to a fixture main body attached to a ceiling member by means of a suspension bolt passed through the hole. The light source unit is provided with: an LED substrate to which a plurality of LEDs are mounted; an attachment member for attaching to the fixture main body the LED substrate in a manner so that the LED substrate is disposed between the plurality of LEDs and the fixture main body; and a power source device that supplies lighting electrical power to the plurality of LEDs. The attachment member has a housing section at which the power source device and at least a portion of the suspension bolt are disposed at a site facing the fixture main body. The power source device is disposed at a position that does not interfere with the suspension bolt within the housing section in the state of the light source unit being attached to the fixture main body.

Description

Light source unit and lighting apparatus

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

For example, Document 1 (Japan Published Patent Publication No. 2011-142063) discloses a ceiling-mounted lighting fixture that is attached to a ceiling using a mounting screw. 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 for passing the mounting screws are provided along the longitudinal direction at the approximate center of the base plate.

The LED unit also 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 for supplying power to the plurality of LEDs. A power 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.

In the luminaire shown in the above-mentioned document 1, the mounting screw is not allowed to enter the recess of the wing portion when attached to the ceiling, and the space for placing the screw head of the mounting screw is not the base plate and the wing. It is provided between the parts. Therefore, the height dimension of the entire instrument is increased, and as a result, the amount of protrusion from the ceiling is increased.

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.

The light source unit according to the first aspect of the present invention has a hole for passing a suspension bolt, and is detachably attached to a fixture main body attached to a ceiling material by the suspension bolt passed through the hole. The light source unit includes an LED board on which a plurality of LEDs are mounted, and an attachment member for attaching the LED board to the instrument body such that the LED board is disposed between the plurality of LEDs and the instrument body. And a power supply device that supplies lighting power to the plurality of LEDs. 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 instrument body. The power supply device is disposed at a position where it 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.

In the light source unit according to the second aspect of the present invention, in the first aspect, the attachment member includes a bottom surface formed in a long and rectangular plate shape, and the bottom surface from both sides in the width direction of the bottom surface. Are formed with a pair of side portions protruding in a direction intersecting with each other, and the housing portion is constituted by a space surrounded by the bottom portion and the pair of side portions.

The lighting fixture of the 3rd form which concerns on this invention is equipped with the fixture main body formed in elongate shape and attached to a ceiling material using a suspension bolt, and the light source unit attached to the said fixture main body so that attachment or detachment is possible. An accommodation recess is provided along the longitudinal direction of the instrument body on the opposite side of the ceiling body 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. The attachment member includes a housing portion in which at least a part of the suspension bolt and the power supply device are disposed at a portion of the instrument body that faces the housing recess. The power supply device is disposed at a position where it 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 lighting fixture of the 4th form which concerns on this invention is the bottom face part from the both sides in the width direction of the said bottom face part in the width direction of the said bottom face part, and the said attachment member in the 3rd form in the 3rd form. Are formed with a pair of side portions protruding in a direction intersecting with each other, and the housing portion is constituted by a space surrounded by the bottom portion and the pair of side portions.

FIG. 1A is a cross-sectional view in which the lighting fixture of the present embodiment is partially omitted when viewed from the width direction, and FIG. 1B is a cross-sectional view of the lighting fixture of the present embodiment viewed from the longitudinal direction. It is a disassembled perspective view of the lighting fixture of this embodiment. It is a whole perspective view of the lighting fixture of this embodiment. It is a perspective view of the state where the light source unit was removed from the lighting fixture of this embodiment. It is sectional drawing of the light source unit used for the lighting fixture of this embodiment.

Hereinafter, an embodiment of the lighting apparatus 10 will be described with reference to FIGS. 1A to 5. In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the orientation shown in FIG. 1B, and the direction perpendicular to the paper surface in FIG.

As shown in FIGS. 1A to 4, the lighting fixture 10 of the present embodiment is a ceiling-mounted lighting fixture, and the fixture main body 1 attached to the ceiling member 100 using a suspension bolt 200 (see FIG. 1B) The light source unit 2 is detachably attached to the instrument body 1. In the present embodiment, as shown in FIG. 1A, the suspension bolt 200 is attached to the beam 400 provided on the back of the ceiling, and the suspension bolt 200 is placed on the indoor side (lower side) through the hole provided in the ceiling material 100. 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. Further, 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.

2 and 5, the light source unit 2 includes a plurality of (two in FIG. 2) LED boards 22, a mounting member 21 to which the LED boards 22 are attached, and a mounting member that covers the LED boards 22. Cover member 23 attached to 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 the 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. 5, inclined portions 212 a that are inclined in directions away from each other are provided at the tips of the side portions 212 over the entire length.

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 by, for example, raising a part of the bottom face part 211 of the attachment member 21.

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 from the both end sides to the center side in the left-right direction (width direction) (see FIG. 5).

Further, as shown in FIG. 1B, both ends of the cover member 23 in the left-right direction overlap with the opening edge of the housing recess 11 of the instrument main body 1 in the vertical direction with the light source unit 2 attached to the instrument main body 1. Each extending portion 232 is provided. Furthermore, 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. 5, the storage case 242 has a rectangular box-shaped storage part 242 a that is open on one side (the surface facing the bottom surface part 211 of the mounting member 21) and is long in the front-rear direction. In addition, the storage case 242 includes a first extension portion 242b extending from the opening edge of the storage portion 242a to the side (left side in FIG. 5) and a first extension portion 242b extending upward from the tip of the first extension portion 242b. 2 has a groove portion 242e formed of a space surrounded by the side surface portion 242d of the storage portion 242a facing the second extension portion 242c and the second extension portion 242c.

The groove portion 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 board 22, an electric wire for sending electric power to the adjacent lighting fixture 10, 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 has 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 mounting 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.

Next, the construction procedure of the lighting fixture 10 will be described. 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.

After that, the operator connects the power line to the terminal block 251, and fits provided in, for example, the instrument body 1 and the attachment member 21 so that at least the power supply device 24 and the terminal block block 25 are accommodated in the accommodating recess 11. The light source unit 2 is attached to the instrument body 1 by a combined structure (not shown). The lighting fixture 10 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 10 is attached to the ceiling material 100. As shown in FIG. 1B, a part of the suspension bolt 200 and a part of the power supply device 24 are attached to the attachment member 21. It arrange | positions in the accommodating part 213 of. Further, as shown in FIG. 1A, since the longitudinal dimension L1 (dimension along the front-rear direction) of the power supply device 24 is smaller than the mounting pitch dimension P1 of the suspension bolt 200, it is suspended in the front-rear direction (left-right direction in FIG. 1A). The power supply device 24 can be arranged so as not to interfere with the bolt 200.

Thus, according to the present embodiment, in a state where the light source unit 2 is attached to the instrument main body 1, at least a part of the suspension bolt 200 is disposed in the accommodating portion 213 of the attachment member 21. Therefore, compared with the case where an accommodating part is not provided, the height dimension of the whole instrument can be made small, As a result, the lighting fixture 10 which restrained the protrusion amount from the ceiling low can be provided.

Further, the housing 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 substrate 22, an electric wire for sending electric power to the adjacent lighting fixture 10, 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 light source unit 2 of the present embodiment has a hole 111b for allowing the suspension bolt 200 to pass through, and is detachably 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 on which a plurality of LEDs 222 are mounted, and an attachment for attaching the LED substrate 22 to the instrument body 1 such that the LED substrate 22 is disposed between the plurality of LEDs 222 and the instrument body 1. A member 21 and a power supply device 24 that supplies lighting power to the plurality of LEDs 222 are provided. 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.

The lighting fixture 10 of the present embodiment includes a fixture main body 1 that is formed in a long shape and is attached to the ceiling member 10 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 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 10 of the present embodiment, the attachment member 21 has a bottom surface portion 211 formed in a long and rectangular plate shape, and in 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.

Claims

A light source unit having a hole for passing a suspension bolt, and detachably attached to an instrument body attached to a ceiling member by the suspension bolt passed through the hole;
An LED board on which a plurality of LEDs are mounted; an attachment member for attaching the LED board to the instrument body such that the LED board is disposed between the plurality of LEDs and the instrument body; A power supply for supplying lighting power to the LEDs of
The mounting member has a housing portion in which at least a part of the suspension bolt and the power supply device are arranged at a portion facing the instrument body,
The power supply device 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.
An instrument main body formed in a long shape and attached to a ceiling material using a suspension bolt, and a light source unit detachably attached to the instrument main 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 3, wherein the housing portion is configured by a space surrounded by a bottom surface portion and the pair of side surface portions.