JP2017103017A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve workability of assembly, and to allow the size and shape of members other than a cover to be hardly restricted.SOLUTION: An insertion part 324 of a flange part 322 is inserted from an insertion port 510 and supported by a support part 51, so that, compared with screw fastening, workability of mounting (assembly) of a cover body 32 on a mounting plate 5 can be improved. Furthermore, as the insertion part 324 is inserted in the insertion port 510 from the shorter direction of the cover body 32, compared with the case where the cover body is slid and mounted in parallel with a front surface (lower surface) of the mounting plate 5, the size and shape of the mounting plate 5 is hardly restricted.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a lighting fixture, and more particularly to a lighting fixture that includes a cover that covers a light source.

  As a conventional example, a lighting apparatus described in Patent Document 1 is illustrated. The lighting fixture described in Patent Document 1 (hereinafter referred to as a conventional example) includes a fixture main body, a power supply unit, a pair of support units, a light source module, a light source unit cover, a pair of stoppers, and a cover member. ing. The light source module includes a reflecting member and a light source unit. Further, the reflection member has a base portion, a pair of side wall portions, and a pair of reflection portions, and a cover mounting groove that opens inward is formed in each of the corner portions where the side wall portion and the reflection portion are continuous. Has been. Note that both ends in the longitudinal direction of these cover mounting grooves are opened.

  The light source unit includes a module substrate formed in a long rectangular plate shape, a plurality of LEDs mounted on the upper surface of the module substrate, and a phosphor layer covering the LEDs. As for the light source part, the module board is screwed to the base part of the reflecting member. The light source module is supported by the instrument body.

  The light source cover is made of a synthetic resin having translucency such as acrylic resin, and a semi-cylindrical light diffusing portion and a pair of mounting edges projecting outward from both longitudinal edges of the light diffusing portion are integrated. Is formed. The light source part cover is supported by the lower end part of a reflection member by inserting a pair of attachment edge into a pair of cover attachment groove | channel along a longitudinal direction from the end surface of a reflection member. The light source unit cover thus supported is disposed below the light source unit and covers the light source unit from below.

JP 2011-070940 A

  However, in the structure as in the conventional example described in Patent Document 1, a structure such as an instrument main body cannot be disposed at least outside the open end of the cover mounting groove. Therefore, although the conventional example described in Patent Document 1 can improve the workability of the assembly, the size and shape of members other than the light source cover (cover) such as the instrument body are easily restricted. End up.

  The present invention has been made in view of the above problems, and an object of the present invention is to make it difficult to be restricted by the size and shape of members other than the cover while improving the workability of assembly.

  The lighting fixture of the present invention is formed of one or a plurality of light source modules, a mounting plate to which the light source module is mounted on the front surface, and a light-transmitting material, and the mounting plate covers the light source module from the front. The light source module includes a long substrate and a plurality of solid state light emitting devices mounted on the front surface of the substrate, and the cover is open on one side. A cover body formed in a long box-like shape, a flange projecting away from the cover body along the longitudinal direction at an edge of the cover body that is open, and provided on the flange One or a plurality of insertion portions, wherein the mounting plate is in a bag shape with an opening, and the insertion portion is inserted from the opening, and the insertion portion is inserted. One or more to support And the support portion of is provided, wherein the support unit is characterized in that the mouth is open in a direction of the insertion portion along the widthwise direction of the cover body is inserted.

  The lighting fixture of the present invention has an effect that it is possible to make it difficult to be restricted by the size and shape of members other than the cover while improving the assembly workability.

It is a perspective view of the lighting fixture which concerns on embodiment of this invention. It is the disassembled perspective view seen from the downward direction of the lighting fixture which concerns on embodiment of this invention. It is the disassembled perspective view seen from the upper direction of the lighting fixture which concerns on embodiment of this invention. It is a perspective view in the state where an attachment plate and a main part of a cover main part in a lighting fixture concerning an embodiment of the present invention are shown, and an insertion part is not supported by a support part. It is a perspective view of the state in which the main part of the attachment plate and cover main body in the lighting fixture which concerns on embodiment of this invention is shown, and the insertion part is supported by the support part. It is sectional drawing of the principal part of the mounting plate and light source unit in the lighting fixture which concerns on embodiment of this invention.

  Hereinafter, the lighting fixture which concerns on embodiment of this invention is demonstrated in detail with reference to drawings. The configurations described in the following embodiments are merely examples of the present invention. The present invention is not limited to the following embodiments, and various modifications can be made according to the design and the like as long as they do not depart from the technical idea of the present invention.

  A lighting fixture X according to an embodiment of the present invention (hereinafter referred to as a lighting fixture X) includes a fixture main body 1 and a lighting unit 2 that is detachably attached to the fixture main body 1 as shown in FIGS. Prepare. In the following description, unless otherwise specified, in the orientation shown in FIG. 1, the height direction of the instrument body 1 is the vertical direction, the longitudinal direction of the light source unit 3 is the left-right direction, and the light source unit 3 and the reflecting member 7 are aligned. The direction is defined as the front-rear direction. That is, the front of the instrument body 1 and the light source unit 3 is the lower side, and the rear of the instrument body 1 and the light source unit 3 is the upper side.

  The instrument main body 1 has a rectangular plate-shaped main body portion 10 and a pair of leg portions 11 that hang downward from both ends in the longitudinal direction (front-rear direction) of the main body portion 10. However, the main body portion 10 and the pair of leg portions 11 are integrally formed by bending a metal plate such as a steel plate. The main body 10 is provided with an insertion hole 100 through which a power supply line for power feeding is inserted (see FIG. 3). The power line inserted through the insertion hole 100 is electrically connected to the terminal block 12 fixed to the lower surface of the main body 10 (see FIG. 2). Furthermore, the main body 10 is provided with a plurality of (three in the illustrated example) bolt insertion holes 101 through which suspension bolts embedded in a building frame are inserted in a line in the front-rear direction (see FIG. 3). . The instrument main body 1 is inserted into a ceiling material embedding hole, and a nut is fastened to a suspension bolt that is inserted into the bolt insertion hole 101 of the main body 10 and is fixed to the suspension bolt. The main body 10 is provided at both ends in the longitudinal direction so that approximately trapezoidal hooking holes 102 penetrate in the thickness direction (vertical direction), respectively (see FIG. 3).

  As shown in FIGS. 1 to 3, the lighting unit 2 includes a plurality (three in the illustrated example) of light source units 3, a power supply device 4, a mounting plate 5, a wireless communication device 6, a reflecting member 7, and a mounting frame 8. I have.

  The mounting plate 5 is formed in a rectangular plate shape by a metal plate such as a steel plate. The three light source units 3 are fixed to the lower surface of the mounting plate 5 in a state of being parallel to each other along the longitudinal direction and arranged so that the intervals between the adjacent light source units 3 are equal to each other (see FIG. 1 and FIG. 1). (See FIG. 2).

  The reflecting member 7 is disposed in two spaces generated between the adjacent light source units 3 (see FIGS. 1 and 2). The reflecting members 7 protrude from the pair of reflecting plates 70, the pair of side plates 71 extending upward from the upper ends of the reflecting plates 70, and the tips (upper ends) of the pair of side plates 71 in a direction approaching each other. It has a pair of fixed pieces 72 (see FIGS. 2 and 3). The reflection plate 70 is configured by bending a rectangular metal plate. The pair of reflecting plates 70 are connected to each other at one end along the longitudinal direction, and are formed in a V shape when viewed from the longitudinal direction (left-right direction). The pair of fixed pieces 72 are provided with screw holes (female screws) 720 in the center in the longitudinal direction and in the vicinity of both ends (see FIG. 3).

  The power supply device 4 includes a power supply circuit configured by mounting electronic components on a printed wiring board, and a case 42 that houses the power supply circuit. The power supply circuit includes, for example, a boost chopper circuit (power factor correction circuit) that boosts an AC voltage supplied via a power line, a step-down chopper circuit that steps down the output voltage (DC voltage) of the boost chopper circuit, and a step-down chopper circuit. It is preferable to be configured by a control circuit for controlling. As shown in FIG. 3, the case 42 is formed in a long box shape by a metal plate. The power supply device 4 is attached to the mounting plate 5 by screwing both ends of the case 42 in the longitudinal direction to the upper surface of the mounting plate 5 (see FIG. 3).

  As shown in FIG. 3, the wireless communication device 6 includes a casing 61 made of synthetic resin, a signal cable 62, a plug connector 63, and the like. The wireless communication device 6 is configured to acquire a control command from a wireless signal (for example, a wireless signal using a 920 MHz band radio wave as a medium) received by an antenna housed in the housing 61. The wireless signal is transmitted from the transmitter, and transmits a control command for turning on / off the light fixture X, dimming, and the like. The wireless communication device 6 is configured to transmit a control command acquired from the wireless signal to the control circuit of the power supply device 4 via the signal cable 62 and the plug connector 63. The plug connector 63 is electrically connected to a receptacle connector (not shown) provided in the power supply device 4. The control circuit of the power supply device 4 is configured to control the step-up chopper circuit and the step-down chopper circuit in accordance with a control command transmitted from the wireless communication device 6 to turn on / off and dimm the light source unit 3. Yes.

  The wireless communication device 6 is attached to the upper surface of the attachment plate 5 (see FIG. 3). The mounting plate 5 is provided with an insertion hole 502 through which a part of the casing 61 of the wireless communication device 6 (antenna accommodating portion 6112 accommodating the antenna) is inserted, and two screw insertion holes ( (See FIG. 2). The housing 61 of the wireless communication device 6 is attached by the two screws inserted into the two screw insertion holes being screwed into the housing 61 in a state where the antenna housing portion 6112 is inserted through the insertion hole 502. It is fixed to the upper surface of the plate 5.

  As shown in FIGS. 2 and 3, the mounting frame 8 includes a rectangular frame-shaped frame body 80 and two fixing springs 81. The frame body 80 is formed in a rectangular frame shape. The frame body 80 is provided with a peripheral wall 800 that rises upward from the upper surface over the entire circumference. In addition, a pair of fixed pieces 801 project inward from the upper ends of the left and right sides of the peripheral wall 800. The mounting frame 8 is coupled to the mounting plate 5 by screwing two pairs of fixing pieces 801 to the mounting plate 5 respectively.

  Each of the two fixed springs 81 is a torsion coil spring made of a metal wire. The two fixed springs 81 each have a coil 810 and a pair of arms 811 extending in directions away from both ends of the coil 810. However, the tip portions of the pair of arms 811 are bent substantially at a right angle. These fixing springs 81 are respectively attached to the peripheral walls 800 on both the front and rear sides of the mounting frame 8 by two connecting fittings 82 (see FIG. 3). The mounting frame 8 is configured such that the arms 811 of the two fixed springs 81 are inserted into the hooking holes 102 of the instrument body 1, and the pair of arms 811 are hooked on the periphery of the hooking hole 102 by the spring force of the coil 810. It is attached to the main body 1 (see FIG. 1).

  The three light source units 3 each include a light source module 30 and a cover 31 (see FIGS. 2 and 3). The light source module 30 includes a plurality of solid state light emitting devices (LEDs 300), a substrate 301 on which the plurality of LEDs 300 are mounted on the lower surface, and a plurality (four in the illustrated example) of connectors 302. The substrate 301 is formed in a long rectangular flat plate shape. The plurality of LEDs 300 are arranged and mounted on the lower surface of the substrate 301 so as to be arranged at equal intervals along the longitudinal direction. In addition, two connectors 302 are mounted on the lower surface of the substrate 301 at both ends in the longitudinal direction (left-right direction). These connectors 302 are electrically connected to the LED 300 via conductors (copper foil) formed on the substrate 301 and are detachably connected to plugs connected to output lines from the power supply device 4. The The substrate 301 is fixed to the mounting plate 5 by a plurality of fixing portions provided on the mounting plate 5. The plurality of fixing portions are formed in a bowl shape by cutting and raising the mounting plate 5, and the substrate 301 is placed between the lower surface of the mounting plate 5 by bending the tip portion so as to approach the substrate 301. It is pinched and fixed.

  As shown in FIGS. 2 and 3, the cover 31 includes a cover main body 32 and two cover ends 33. The cover body 32 is made of a synthetic resin having translucency such as acrylic resin or polycarbonate resin, and a main portion 320, a pair of side wall portions 321 and a pair of flange portions 322 are integrally formed. The main part 320 is formed in a substantially semi-cylindrical shape. The pair of side wall portions 321 have a long rectangular plate shape and are formed so as to protrude upward from both side edges along the longitudinal direction of the main portion 320. The pair of flange portions 322 are formed so as to protrude in directions away from the tips (upper ends) of the pair of side wall portions 321 (see FIGS. 2 and 3). The pair of flange portions 322 are provided with semicircular screw insertion holes 323 in the center in the longitudinal direction and in the vicinity of both ends, respectively. Further, the pair of flange portions 322 is provided with a pair of grooves between the central screw insertion hole 323 and the screw insertion holes 323 at both ends. And the part pinched by this pair of groove | channel becomes the insertion part 324, respectively.

  The cover end 33 is made of synthetic resin, and is attached to the attachment plate 5 so as to close the openings at both ends in the longitudinal direction of the cover body 32 (see FIG. 2). In the cover end 33, a pair of claw portions 330 provided at the upper end are inserted into a pair of holes 503 provided in the mounting plate 5, and are caught around the holes 503 on the upper surface side of the mounting plate 5. Is attached to the attachment plate 5 (see FIG. 3).

  The cover main body 32 is attached to the attachment plate 5 by inserting a plurality of insertion portions 324 provided in the flange portion 322 into a plurality of support portions 51 provided in the attachment plate 5 (FIG. 4 and FIG. 5). Two support portions 51 are arranged on the lower surface of the mounting plate 5 on both the front and rear sides of the light source module 30 so as to be aligned along the longitudinal direction of the light source module 30. That is, the support portions 51 correspond one-to-one with the insertion portions 324 that are provided in two on the pair of flange portions 322 of the cover main body 32.

  As shown in FIGS. 4 to 6, the support portion 51 is formed into a bag shape when viewed from below, specifically, a truncated pyramid shape with one side surface (insertion opening 510) opened. The support 51 is formed, for example, by providing a straight cut (lance) on the mounting plate 5 and pressing one side of the cut downward. That is, when viewed from above, the support portion 51 is a truncated pyramid-shaped recess whose one side surface is opened by cutting.

  The cover body 32 is in a state where the main portion 320 is bent in the short direction (front-rear direction) after the two insertion portions 324 of the flange portion 322 on one side are inserted into the support portion 51 from the insertion port 510. The two insertion portions 324 of the opposite flange portion 322 are inserted into the support portion 51 from the insertion port 510. And the cover main body 32 is attached to the attachment board 5 by the total four insertion parts 324 of a pair of collar parts 322 being each supported by the corresponding four support parts 51 (FIGS. 4-6). reference). That is, the cover main body 32 is attached to the mounting plate 5 without using a tool such as a screwdriver. Therefore, for example, the assembly workability can be improved as compared with the case where the cover main body 32 is screwed. In addition, the support portion 51 has the insertion port 510 opened in the direction (front-rear direction) in which the insertion portion 324 is inserted along the short direction of the cover main body 32. Therefore, the cover main body 32 can be attached from the normal direction of the lower surface of the attachment plate 5. Therefore, as shown in FIG. 2, even if the peripheral portion of the mounting plate 5 is bent downward over the entire circumference to improve the strength, these bent portions are covered by the cover to the mounting plate 5. There is no hindrance to the attachment work of the main body 32. As a result, the size, shape, and the like of the mounting plate 5 are not easily restricted by the space required for the operation of mounting the cover main body 32 on the mounting plate 5. On the other hand, when the cover body is slid and mounted from the direction parallel to the lower surface of the mounting plate as in the conventional example described in Patent Document 1, the bent portion of the peripheral edge of the mounting plate is the cover body to the mounting plate. There is a high possibility that it will interfere with the installation work.

  Here, the flange portion 322 has a width W1 along the short direction of the cover main body 32 larger than the length L1 of the support portion 51 along the short direction of the cover main body 32 (L1 <W1). It is formed (see FIG. 6). Therefore, the support strength of the support part 51 can be improved by increasing the amount of the insertion part 324 inserted into the support part 51 from the insertion opening 510 (the length of the cover body 32 in the short direction).

  As described above, the lighting fixture X according to the present embodiment includes one or a plurality of light source modules 30 and the mounting plate 5 to which the light source modules 30 are attached on the front surface (lower surface). Moreover, the lighting fixture X which concerns on this embodiment is formed with the material which has translucency, and has the cover 31 attached to the front surface of the attachment board 5 so that the light source module 30 may be covered from the front (downward). . The light source module 30 includes a long substrate 301 and a plurality of solid state light emitting elements (LEDs 300) mounted on the front surface of the substrate 301. The cover 31 has a cover body 32 formed in a long box shape with one surface open. Further, the cover 31 has a flange 322 that protrudes in the direction away from the cover body 32 along the longitudinal direction at the edge of the cover body 32 that is open, and one or more of the cover 31 provided on the flange 322. And an insertion portion 324. The mounting plate 5 is in a bag shape with an open mouth, and the insertion portion 324 is inserted from the mouth (insertion port 510), and one or a plurality of support portions that support the inserted insertion portion 324 51 is provided. In the support portion 51, the insertion port 510 is open in the direction in which the insertion portion 324 is inserted along the short direction of the cover body 32.

  If the lighting fixture X which concerns on this embodiment is comprised as mentioned above, since the insertion part 324 of the collar part 322 is inserted from the insertion port 510 and supported by the support part 51, compared with screwing. The workability of attaching (assembling) the cover main body 32 to the attachment plate 5 can be improved. Moreover, in the lighting fixture X according to this embodiment, since the insertion portion 324 is inserted into the insertion port 510 from the short side direction of the cover body 32, the cover body slides in parallel with the front surface (lower surface) of the mounting plate 5. The size and shape of the mounting plate 5 are less likely to be constrained than when the mounting plate 5 is mounted. As a result, the lighting fixture X according to the present embodiment can be made less susceptible to restrictions such as the size and shape of members other than the cover while improving the assembly workability.

  Further, in the lighting fixture X according to the present embodiment, the collar portion 322 has a width W1 along the short direction of the cover body 32 that is longer than the length L1 of the support portion 51 along the short direction of the cover body 32. It is preferably formed so as to be large (L1 <W1).

  If the lighting fixture X which concerns on this embodiment is comprised as mentioned above, the quantity (length of the transversal direction of the cover main body 32) of the insertion part 324 inserted in the support part 51 from the insertion port 510 will be sufficient. By increasing, the support strength of the support part 51 can be improved.

  By the way, in the reflecting member 7, a pair of fixing pieces 72 are overlapped on the flange portion 322 of the cover body 32, and a screw 501 inserted from above into a screw insertion hole provided in the mounting plate 5 is screwed into the screw hole 720. By this, it is attached to the attachment plate 5 (see FIG. 6). That is, the flange 322 of the cover body 32 is sandwiched between the fixed piece 72 of the reflecting member 7 and the attachment plate 5 (the lower surface thereof). That is, since the flange portion 322 is sandwiched between the fixing piece 72 of the reflecting member 7 and the mounting plate 5, the insertion portion 324 is difficult to be removed from the support portion 51, and the mounting strength of the cover body 32 with respect to the mounting plate 5 is improved. It is illustrated.

  As described above, in the lighting fixture X according to this embodiment, one or a plurality of reflecting members that are attached to the front surface (lower surface) of the mounting plate 5 and reflect the illumination light emitted from the light source module 30 forward (downward). 7 is preferable. The reflection member 7 preferably includes a reflection plate 70 whose front surface (lower surface) is a reflection surface, and a fixing piece 72 that is disposed behind (upper) the reflection plate 70 and is fixed to the mounting plate 5. It is preferable that the fixing piece 72 is fixed to the mounting plate 5 so that the flange portion 322 is sandwiched between the fixing piece 72 and the mounting plate 5.

  If the lighting fixture X which concerns on this embodiment is comprised as mentioned above, the insertion part 324 will become difficult to remove | deviate from the support part 51, and the improvement of the attachment intensity | strength of the cover main body 32 with respect to the attachment board 5 can be aimed at.

  Here, in the cover main body 32, when the side wall part 321 is pushed inward by a human finger, the main part 320 may bend and the insertion part 324 may come off from the support part 51. However, in the lighting fixture X according to the present embodiment, the reflecting member 7 is attached to the lower surface of the attachment plate 5 so that the side plate 71 is adjacent to the side wall portion 321 of the cover body 32 (see FIG. 6). For this reason, the side wall portion 321 is obstructed and it is difficult for a person's finger to be caught on the side plate 71 of the reflecting member 7, so that the insertion portion 324 is prevented from being carelessly removed from the support portion 51.

  As described above, in the lighting fixture X according to the present embodiment, the reflecting member 7 is connected to the reflecting plate 70 on the front end side (lower end side) and is connected to the fixed piece 72 on the rear end side (upper end side). It is preferable to have the side plate 71. The cover main body 32 includes a main part 320 disposed in front (downward) of the light source module 30, and a pair of side wall parts 321 protruding rearward (upward) from both side edges along the longitudinal direction of the main part 320. It is preferable to have. The reflecting member 7 is preferably attached to the front surface (lower surface) of the mounting plate 5 so that the side plate 71 is adjacent to the side wall portion 321.

  If the lighting fixture X according to the present embodiment is configured as described above, the side wall portion 321 is obstructed and it becomes difficult for a person's finger to get caught on the side plate 71 of the reflecting member 7. Can be prevented from coming out carelessly.

X lighting fixture 1 fixture body 5 mounting plate 7 reflecting member 30 light source module 31 cover 32 cover body 51 support portion 71 side plate 72 fixed piece 300 LED (solid light emitting element)
301 Substrate 320 Main part 321 Side wall part 322 Gutter part 324 Insertion part 510 Insertion slot

Claims (4)

One or a plurality of light source modules, a mounting plate to which the light source module is attached to the front surface, and a cover formed of a light-transmitting material and attached to the front surface of the mounting plate so as to cover the light source module from the front And
The light source module includes a long substrate and a plurality of solid state light emitting elements mounted on the front surface of the substrate,
The cover has a cover body that is formed in a long box shape with one surface open, and an edge that protrudes away from the cover body along the longitudinal direction at the edge of the cover body on the open side. Part, and one or a plurality of insertion parts provided in the collar part,
The mounting plate has a bag shape with an open mouth, and the insertion portion is inserted from the opening, and one or a plurality of support portions for supporting the inserted portion are provided. ,
The said fixture is the lighting fixture characterized by the said opening | mouth opening in the direction in which the said insertion part is inserted along the transversal direction of the said cover main body.   The said collar part is formed so that the width | variety along the transversal direction of the said cover main body may become larger than the length of the said support part along the transversal direction of the said cover main body. The lighting fixture according to 1. One or a plurality of reflecting members attached to the front surface of the mounting plate and reflecting the illumination light emitted from the light source module forward;
The reflection member includes a reflection plate whose front surface is a reflection surface, and a fixing piece that is disposed behind the reflection plate and is fixed to the mounting plate.
The lighting fixture according to claim 1 or 2, wherein the fixing piece is fixed to the mounting plate so as to sandwich the flange portion with the mounting plate. The reflection member has a side plate connected to the reflection plate on the front end side and connected to the fixed piece on the rear end side,
The cover body has a main part disposed in front of the light source module, and a pair of side wall parts protruding rearward from both side edges along the longitudinal direction of the main part,
The lighting apparatus according to claim 3, wherein the reflection member is attached to the front surface of the attachment plate so that the side plate is adjacent to the side wall portion.

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