JP5954665B2 - lighting equipment - Google Patents

Description

  The present invention relates to 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). This lighting fixture includes a fixture main body formed in a horizontally long and elongated shape, and a light source portion that is detachably attached to the fixture main body, and a housing for accommodating the light source portion in a substantially central portion of the fixture main body. A recess is provided over the entire length. Further, the light source unit is attached to the mounting member so as to cover the plurality of substrates, the mounting member formed in a horizontally long and long shape, a plurality of substrates each mounted with a plurality of light emitting elements mounted side by side on the lower surface of the mounting member. And a cover member to be attached.

  The mounting member is formed in a substantially U shape with a bottom surface portion formed in a long and rectangular plate shape, and a side surface portion extending in a direction orthogonal to the bottom surface portion from both sides in the width direction of the bottom surface portion. Each of the side portions is provided with a locking wall extending outwardly at the tip. Further, a hook portion extending in a direction orthogonal to the locking wall is provided at the tip of one locking wall. Then, when attaching the integrally assembled light source part to the instrument body, from the state where the light source part is suspended by hanging the hook part in the hole provided in the side part of the housing recess of the instrument body, When the light source part is rotated as a fulcrum and the other locking wall is locked to the locking member provided on the tool body, the light source part is attached to the tool body.

JP 2012-3993 A

  In the lighting fixture shown in Patent Document 1 described above, a lighting device that supplies lighting power to the light source unit is attached to the bottom surface of the housing recess of the fixture body. It is common to attach to the center of the upper surface of the bottom part of the attachment member. However, in this case, since the center of gravity of the light source unit is on the central axis of the light source unit, a relatively large force is required when the light source unit is attached to the instrument body from the state suspended by the hooking unit. Moreover, when removing a light source part from an instrument main body, although the rotational force centering on a hook part generate | occur | produces, the force which supports it became comparatively large.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting fixture in which a light source unit can be attached and detached with a relatively small force.

The lighting fixture of this invention is provided with the fixture main body formed in the elongate shape, and the light source unit attached to a fixture main body so that attachment or detachment is possible. The light source unit includes an 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 opposite side of the instrument body, and supplies lighting power to the plurality of LEDs. Power supply device. The light source unit is attached to the instrument body by rotating about one end side in the width direction of the light source unit. The power supply device is arranged so that the center of gravity of the light source unit is on the rotation side with respect to the central axis of the light source unit. On one surface of the instrument main body, a rectangular accommodating recess for accommodating at least a part of the light source unit is provided along the longitudinal direction of the instrument main body. The mounting member includes a locking plate extending to one end side in the width direction of the mounting member and having a hook portion provided at the tip, and a locking spring provided on the other end side in the width direction of the mounting member. An insertion hole for inserting the locking plate is provided in the side surface portion on one end side in the width direction of the housing recess, and an engagement for locking the locking spring is provided on the other end side in the width direction of the housing recess. A stop is provided. From the state in which the locking plate is inserted into the insertion hole, the hook is hooked on the edge of the insertion hole, and the light source unit is suspended from the instrument body, the locking plate comes into contact with and engages with the edge of the insertion hole. The light source unit is attached to the instrument body in a state in which the light source unit is rotated around the locking plate side in the state where the stop spring is locked to the locking portion.

  Since the power supply device is arranged so that the center of gravity of the light source unit is on the rotating side with respect to the central axis of the light source unit, the force applied to the light source unit when the light source unit is attached to and detached from the instrument body is relatively There is an effect that it can be reduced.

(A)-(c) is explanatory drawing explaining the procedure which attaches a light source unit to an instrument main body in the lighting fixture of this embodiment. 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 suspended the light source unit on the instrument main body in the same as the above. It is a partially expanded view of the state which suspended the light source unit on the instrument main body in the same as the above. It is sectional drawing which abbreviate | omits a part of the state which attached the light source unit to the instrument main body in the same as the above. It is a principal part enlarged view of the attachment member used for the same as the above. It is sectional drawing which shows another example 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 orientation shown in FIG. 1C, and the direction perpendicular to the paper surface in FIG. I do.

  The lighting fixture A of this embodiment is a ceiling-mounted lighting fixture as shown in FIGS. 1-4, the fixture main body 1 attached to the ceiling material 100 using a suspension bolt (not shown), A light source unit 2 detachably attached to the instrument body 1.

  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. In addition, the bottom surface portion 111 of the housing recess 11 is provided with a plurality of holes (5 in FIG. 2) along the front-rear direction (longitudinal direction) for passing an electric wire, and positions closer to both ends in the front-rear direction. Two holes 111b for passing the suspension bolts are provided. Further, as shown in FIG. 4, rectangular insertion holes 112 a are respectively provided at positions near both ends in the front-rear direction of the instrument body 1 in the left side surface portion 112 of the housing recess 11. Moreover, as shown in FIG.2 and FIG.3, the end cap 3 is each attached to the both ends in the front-back direction of the instrument main body 1. As shown in FIG.

  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 FIGS. 1 and 5, 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). It has a diffusing surface 231 having a convex lens shape so that the protruding amount increases downward as it goes (see FIG. 1C). Further, at both ends of the cover member 23 in the left-right direction, as shown in FIG. 1C, the open end 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. 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 FIGS. 1C and 2, the storage case 242 is formed in a rectangular box shape in which one surface (a surface facing the bottom surface portion 211 of the mounting member 21) is open and long in the front-rear direction. The side is attached to the side surface portion 212 of the mounting member 21 using, for example, a screw so that the side faces the bottom surface portion 211 of the mounting member 21. At this time, the power supply device 24 is at least partially disposed in the housing portion 213 formed of a space surrounded by the bottom surface portion 211 and the side surface portions 212 and 212 of the mounting member 21 (see FIG. 1C).

  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.

  Here, FIG. 7 is an enlarged view of the main part of the mounting member 21 described above. In the present embodiment, the mounting bracket 21 and the locking spring 27 for locking the mounting member 21 to the instrument body 1 are the mounting member 21. Is attached. The locking bracket 26 is formed by bending a sheet metal, and a rectangular plate-shaped locking plate extending laterally (left side) is provided on the left end edge of the bracket body 261 formed in a substantially rectangular plate shape. 262 is provided. Further, a hooking portion 262a extending in a direction orthogonal to the locking plate 262 (downward in FIG. 7) is provided at the tip of the locking plate 262. Further, a holding portion 263 for holding the locking spring 27 and a locking portion 264 where one arm portion 272 of the locking spring 27 is locked are provided on the right end edge of the metal fitting body 261. .

  The locking spring 27 includes a base end portion 271 formed by winding a wire spring in a coil shape, and a pair of arm portions 272 and 273 extending in directions away from both ends of the base end portion 271. The lock spring 27 is attached to the lock metal fitting 26 with the base end portion 271 held by the holding portion 263 of the lock metal fitting 26 and the one arm portion 272 locked by the lock portion 264. Then, as shown in FIG. 4, each of these locking metal fittings 26 and the locking springs 27 is attached to a position near both ends in the front-rear direction (longitudinal direction) of the mounting member 21 using a mounting screw 200. It is done. In the attached state, the arm portions 273 of the respective locking springs 27 are arranged so as to extend outward in the direction away from each other, that is, in the front-rear direction (see FIG. 4).

  FIG. 5 is a partially enlarged view of the state in which the light source unit 2 is suspended from the instrument body 1, and the arm portion 273 of the locking spring 27 described above is engaged with the bottom surface portion 111 of the housing recess 11 of the instrument body 1. A locking metal fitting 28 (locking portion) is attached. As shown in FIGS. 5 and 6, the locking metal fitting 28 has an attachment piece 281 for attaching to the bottom surface portion 111 and an engagement piece 282 for locking the arm portion 273 of the locking spring 27. And the shape of a side view is formed in U shape. Further, as shown in FIG. 5, grooves 282a and 282a are provided at both end edges in the front-rear direction of the locking piece 282, respectively. And this latching fixture 28 is attached to the bottom face part 111 of the accommodation recessed part 11 using the attachment screw 201, but in this embodiment, each one latching is carried out in the position near the both ends in the front-back direction of the instrument main body 1. FIG. The metal fittings 28 are respectively attached, and the respective metal fittings 28 respectively correspond to the respective groups of the metal fittings 26 and the springs 27.

  Next, the assembly procedure of the light source unit 2 will be described. In the following description, it is assumed that the locking fitting 26 and the locking spring 27 are attached to the attachment member 21 in advance. 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. In the following description, it is assumed that the locking fitting 28 is attached to the instrument body 1 in advance. 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 a suspension bolt (not shown) exposed to the indoor side through the ceiling material 100 into the hole 111b. After that, a nut (not shown) is screwed into the suspension bolt to fix the instrument body 1 to the ceiling material 100. Thereafter, the operator connects the power supply line to the terminal block 251, and attaches the light source unit 2 to the instrument body 1 so that at least the power supply device 24 and the terminal block block 25 are accommodated in the accommodating recess 11.

  Here, the procedure for attaching the light source unit 2 to the instrument body 1 will be described in detail. First, the operator inserts the locking plate 262 of each locking bracket 26 attached to the mounting member 21 into each insertion hole 112a provided in the side surface portion 112 of the housing recess 11 of the instrument body 1, and then The hook portion 262a provided at the tip of the locking plate 262 is locked to the edge of the insertion hole 112a, and the light source unit 2 is suspended from the instrument body 1 (see FIG. 1A). Next, the operator turns the light source unit 2 counterclockwise (counterclockwise) about the locking metal fitting 26 side (left side in FIG. 1A) as a rotation center (an arm portion 273 of the locking spring 27). Is moved to a position where it reaches the fitting 28). Thereafter, the worker provided the hooking portion 273a provided at the tip of the arm portion 273 of each locking spring 27 on the locking piece 282 of the corresponding locking metal fitting 28 while holding the light source unit 2. The inner groove 282a is engaged with the end edge. From this state, when the operator rotates the light source unit 2 counterclockwise (see FIG. 1B), the arm 273 of each locking spring 27 corresponds to the locking piece of the locking metal fitting 28 corresponding thereto. While sliding on the back surface of 282, it moves to the position shown in FIG. 6, and the light source unit 2 is attached to the instrument body 1 (see FIG. 1C). At this time, a spring force downward from the corresponding locking spring 27 is applied to each locking bracket 28, and the light source unit 2 is pushed upward (apparatus body 1 side) by this reaction force, and the cover member The extending portions 232 of the 23 are held in contact with the opening edge of the housing recess 11 of the instrument body 1. At this time, the locking plate 262 of each locking metal fitting 26 is in contact with the end edge of the corresponding insertion hole 112a (see FIG. 1C). The lighting fixture A is applied to the ceiling material 100 in accordance with the above procedure.

  By the way, in this embodiment, as shown to Fig.1 (a)-FIG.1 (c), the gravity center of the light source unit 2 rotates with respect to the central axis P1 of the light source unit 2 (left side in Fig.1 (a)). Thus, the power supply device 24 is attached to the attachment member 21 left-justified. Thereby, when attaching and detaching the light source unit 2 with respect to the instrument main body 1, the force added to the light source unit 2 can be made small compared with a prior art example.

  FIG. 8 is a cross-sectional view showing another example of the lighting fixture A of the present 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 lighting fixture is embedded in the back of the ceiling through the embedded hole 100a provided in the ceiling material 100. A ceiling-embedded lighting device may be used.

  The lighting fixture A of this example is detachably attached to the support member 4 disposed 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. And a light source unit 2 to be attached. 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 edge part 52 of the opening of the reflecting plate 5 is provided with the collar part 52 extended to a side over the perimeter, The state which attached the reflecting plate 5 to the supporting member 4 arrange | positioned by the ceiling back Then, the collar part 52 contacts the lower surface of the ceiling material 100 (see FIG. 8). 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. The procedure for attaching the light source unit 2 to the reflecting plate 5 is the same as in the above-described embodiment, and the description thereof is omitted here. First, the worker arranges 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 line to a terminal block (not shown), and at least the power supply device 24 and the terminal block are accommodated in the accommodating recess 51, and the light source unit 2 according to the above procedure. Is attached to the reflector 5. In accordance with the procedure as described above, the lighting fixture A is embedded in the ceiling.

  Also in this example, by attaching the power supply device 24 to the attachment member 21 by left-justification, the force applied to the light source unit 2 when the light source unit 2 is attached to and detached from the instrument main body 1 as in the above-described embodiment is conventionally increased. It can be made smaller than the example.

  In addition, arrangement | positioning of the power supply device 24 in this embodiment is an example, and should just be arrangement | positioning that the gravity center of the light source unit 2 turns to the rotation side with respect to the central axis P1 of the light source unit 2. Further, the shapes of the locking fittings 26 and 28 and the locking spring 27 are not limited to those of the present embodiment, and any shape can be used as long as the light source unit 2 can be rotated and attached to the instrument body 1. Other shapes are also possible.

DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Light source unit 21 Mounting member 22 LED board 24 Power supply device 222 LED
A Lighting fixture P1 Center axis

Claims (1)

An instrument body formed in a long shape, and a light source unit detachably attached to the instrument body,
The light source unit includes 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 plurality of LEDs face the opposite side of the instrument body, and the plurality of LEDs A power supply for supplying lighting power to the LED,
The light source unit is attached to the instrument body by rotating about one end side in the width direction of the light source unit as a rotation center,
The power supply device is arranged such that the center of gravity of the light source unit is on the rotation side with respect to the central axis of the light source unit ,
On one surface of the instrument body, a rectangular accommodating recess for accommodating at least a part of the light source unit is provided along the longitudinal direction of the instrument body,
The mounting member includes a locking plate extending to one end side in the width direction of the mounting member and provided with a hook at the tip, and a locking spring provided on the other end side in the width direction of the mounting member. Have
An insertion hole for inserting the locking plate is provided in a side surface portion on one end side in the width direction of the receiving recess, and the locking spring is locked on the other end side in the width direction of the receiving recess. A locking part is provided to
The locking plate is inserted into the insertion hole from the state where the locking plate is inserted into the insertion hole, the hooking part is hooked on the edge of the insertion hole, and the light source unit is suspended from the instrument body. The light source unit is attached to the instrument body in a state where the light source unit is rotated around the locking plate side with the locking spring being locked to the locking portion. attached optionally luminaire characterized by Rukoto.

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