JP6493824B2 - lighting equipment - Google Patents

Description

  The present invention generally relates to a lighting fixture, and more particularly to a lighting fixture that connects a terminal block on the fixture body side and a power supply device on the light source unit side by a connector.

  2. Description of the Related Art Conventionally, ceiling-mounted lighting fixtures that are directly attached to the ceiling have been provided (see, for example, Patent Document 1). The lighting fixture described in Patent Document 1 includes a fixture main body that is directly attached to the ceiling, and a light source unit that is detachably attached to the fixture main body.

  The instrument main body has a terminal block to which an external power cable is connected. The light source unit includes a plurality of LEDs mounted on a substrate and a power supply device that supplies power to the plurality of LEDs. Then, by connecting the terminal block and the power supply device with a connector, the terminal block and the power supply device are electrically connected, and the external power supplied via the power cable and the terminal block is supplied to the power supply device. Is entered.

Japanese Patent No. 5486727

  In the luminaire shown in Patent Literature 1 described above, the shape of the connector may be changed due to, for example, a design change, and a combination of connecting the old connector and the new connector may also occur. In this case, a relay cable that connects the old connector and the new connector is required, and the wiring length becomes longer by the length of the relay cable. It was.

  This invention is made | formed in view of the said problem, and it aims at providing the lighting fixture which improved workability | operativity.

  The lighting fixture of the present invention includes a light source, a power supply device that supplies power to the light source, a light source unit that includes an attachment member to which the light source is attached on one side and the power supply device is attached to the other side, An instrument main body having a housing portion in which a terminal block to which an external power cable is connected is accommodated, and a connector that electrically connects the terminal block and the power supply device; A temporary fixing region for temporarily fixing the connector is provided on the other surface side to which the power supply device is attached.

  According to the structure of this invention, there exists an effect that the lighting fixture which improved workability | operativity can be provided.

It is a perspective view which shows the principal part of the lighting fixture which concerns on embodiment of this invention. It is a disassembled perspective view of the lighting fixture which concerns on embodiment of this invention. It is a whole perspective view of the lighting fixture which concerns on embodiment of this invention. It is sectional drawing of the lighting fixture which concerns on embodiment of this invention. 5A is a plan view of a connector used in the lighting apparatus according to the embodiment of the present invention, FIG. 5B is a front view, and FIG. 5C is a bottom view. It is a perspective view which shows another principal part of the lighting fixture which concerns on embodiment of this invention.

  The lighting fixture 10 which concerns on embodiment of this invention is demonstrated concretely, referring drawings. However, the configuration described below is merely an example of the present invention, and the present invention is not limited to the following embodiment, and the technical idea according to the present invention is not deviated from other embodiments. Within the range, various changes can be made according to the design and the like.

  In the following description, unless otherwise specified, the vertical and horizontal directions are defined in the orientation shown in FIG. 4, and the direction perpendicular to the paper surface in FIG. 4 is defined as the front-rear direction (the front side is the front side). Therefore, in the present embodiment, the longitudinal direction of the instrument body 1 is the front-rear direction, the short direction (width direction) of the instrument body 1 is the left-right direction, and the height direction of the instrument body 1 is the up-down direction. However, these directions do not define the mounting direction of the lighting fixture 10.

  The lighting fixture 10 of this embodiment is a ceiling-mounted lighting fixture as shown in FIG. The lighting fixture 10 includes a fixture main body 1 that is attached to the lower surface of the ceiling plate 100 using a suspension bolt 200 and a nut 201, and a light source unit 2 that is detachably attached to the fixture main body 1.

  The instrument body 1 is formed into a flat box shape that is long in the front-rear direction and has an upper surface opened by bending a sheet metal. A concave portion 11 (accommodating portion) for accommodating the light source unit 2 is provided over the entire length of the instrument main body 1 on the opposite side (lower side) to the ceiling plate 100 in the vertical direction of the instrument main body 1. Further, on both sides in the left-right direction of the concave portion 11, inclined portions 12, 12 that extend from the opening edge of the concave portion 11 and incline upward toward the outside are provided (see FIG. 4).

  The concave portion 11 is formed in a rectangular shape by a bottom wall portion 111 formed in a rectangular plate shape that is long in the front-rear direction and a pair of side wall portions 112, 112 protruding downward from both ends in the left-right direction of the bottom wall portion 111. Yes. The bottom wall portion 111 is provided with a plurality of holes 1111 (two in FIG. 2) for passing the electric wires along the front-rear direction, and the holes 1112 for passing the suspension bolt 200 are located at positions near both ends in the front-rear direction. One each is provided.

  A terminal block 13 to which the power cable 4 exposed to the indoor side through the ceiling plate 100 is connected is attached to the bottom wall portion 111. The terminal block 13 has a main body 131 formed in a rectangular parallelepiped shape, and three electric wires 133 including a ground wire are connected to the main body 131. In addition, a connector 132 made of a receptacle connector is connected to the tips of these electric wires 133.

  Furthermore, the right side wall 112 of the recess 11 is provided with holes 1121 and 1121 to be hooked with hooks 41 and 41, which will be described later, at positions near both ends in the front-rear direction. In addition, hook metal fittings 43 and 43 to which hook springs 42 and 42 to be described later are hooked are attached to the left side wall portion 112 of the concave portion 11 at positions near both ends in the front-rear direction, respectively.

  Further, in the recess 11, an opening 1122 (only one opening 1122 is shown in FIG. 2) formed so as to extend from each side wall 112 to the bottom wall 111 is a terminal block attached to the bottom wall 111. 13 are provided in the vicinity of 13 respectively. That is, in this embodiment, the space 121 (see FIG. 4) surrounded by the side wall portion 112 of the concave portion 11 and the inclined portion 12 continuous from the side wall portion 112 and the concave portion 11 are connected by the opening 1122. Here, the space 121 forms a wiring space for passing a feed wiring that is constructed when the lighting fixtures 10 are arranged in the longitudinal direction.

  End covers 3 are attached to both ends of the instrument body 1 in the front-rear direction, as shown in FIGS. Each end cover 3 is formed to have substantially the same outer shape as the cross-sectional shape in the front-rear direction of the instrument body 1 and is attached so as to close the openings at both ends in the front-rear direction of the instrument body 1. Each end cover 3 has knock-out holes 31 and 31 at positions near both ends in the left-right direction. Then, by opening these knockout holes 31, 31, it is possible to draw out the feed wiring passing through the space 121 to the outside.

  As shown in FIGS. 2 and 4, the light source unit 2 includes an LED module 22 (light source), an attachment member 21 to which the LED module 22 is attached, and a cover 23 attached to the attachment member 21 so as to cover the LED module 22. And have. The light source unit 2 includes a power supply device 24 that supplies power to the LED module 22 and a terminal block 25 to which the signal cable 5 exposed to the indoor side through the ceiling plate 100 is connected.

  The LED module 22 includes a substrate 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 substrate 221 along the front-rear direction (longitudinal direction). A connector (not shown) that electrically connects the power supply device 24 is mounted on the front end of the substrate 221. An electric wire (not shown) is connected to this connector, and the LED module 22 and the power supply device 24 are electrically connected by connecting the end of the electric wire to the power supply device 24.

  The mounting member 21 is formed into a U shape by bending a sheet metal, and a bottom surface portion 211 formed in a rectangular plate shape that is long in the front-rear direction, and upward from both ends in the left-right direction (width direction) of the bottom surface portion 211. It consists of a pair of protruding side surface portions 212 and 212. A hook portion 2121 formed by bending in a circular shape is provided at the tip (upper end) of each side surface portion 212 (see FIG. 4).

  In addition, hook springs 42 and 42 that are respectively hooked on the hook metal fittings 43 and 43 of the instrument main body 1 are provided at positions near both ends in the front-rear direction at the left end portion of the bottom surface portion 211. Furthermore, hook pieces 41, 41 that are respectively hooked in the holes 1121, 1121 of the instrument body 1 are provided at positions near the both ends in the front-rear direction at the right end portion of the bottom surface portion 211.

  The cover 23 is made of a diffusible material (for example, milky white acrylic resin), and is formed in a box shape that is long in the front-rear direction and has an upper surface (surface on the mounting member 21 side) opened (see FIGS. 2 to 4). ). In addition, the cover 23 has a curved surface portion 231 having a convex lens shape in which the amount of protrusion downward increases as it approaches the center from both ends in the left-right direction (width direction) (see FIG. 4).

  At both ends in the left-right direction of the cover 23, as shown in FIG. 4, with the light source unit 2 attached to the instrument main body 1, an extension 232 that overlaps with the opening edge of the recess 11 in the instrument main body 1 in the vertical direction. Are provided. Further, 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 23 over the entire length. A protruding portion 2331 protruding inward is provided at the tip (upper end) of each protruding wall portion 233.

  The power supply device 24 includes a case 241 that is formed in a box shape that is long in the front-rear direction and has an open bottom surface by bending the sheet metal. An L-shaped extending portion 243 that protrudes leftward and protrudes upward is integrally provided on the left side surface portion of the case 241. A U-shaped groove portion 246 is formed by the left side surface portion of the case 241 and the extending portion 243, and is used as a wiring space, for example.

  Inside the case 241 is housed a board (not shown) on which electronic components constituting a power supply circuit for generating power supply to the LED module 22 are mounted. In addition, three electric wires 243 including a ground wire are connected to the input end of the board, and a connector 242 is connected to the tips of these electric wires 243.

  Next, the assembly procedure of the light source unit 2 will be described. First, the worker attaches the power supply device 24 to the upper surface side of the attachment member 21 and attaches the LED module 22 to the lower surface of the bottom surface portion 211 of the attachment member 21 so that the LED 222 faces downward. At this time, the worker fixes the LED module 22 to the bottom surface portion 211 of the mounting member 21 using, for example, a claw (not shown) formed by cutting and raising a part of the bottom surface portion 211 of the mounting member 21. .

  Further, the worker connects an electric wire (not shown) drawn from a connector (not shown) mounted on the substrate 221 of the LED module 22 to the power supply device 24. Finally, the operator attaches the cover 23 to the attachment member 21 with the opening side facing upward. At this time, the projections 2331 of the respective protruding wall portions 233 of the cover 23 are hooked on the hooking portions 2121 of the corresponding side surface portions 212 of the mounting member 21, so that the cover 23 is attached to the mounting member 21. The light source unit 2 is assembled according to the above procedure.

  Then, the construction procedure of the lighting fixture 10 is demonstrated. In the following description, it is assumed that the terminal block 13 is attached to the instrument body 1 in advance.

  First, the installer passes the power cable 4 and the signal cable 5 exposed to the indoor side through the ceiling plate 100 through the holes 1111 and 1111 of the appliance body 1 respectively, and the suspension bolt 200 exposed to the indoor side through the ceiling plate 100. , 200 is passed through holes 1112 and 1112. Further, the installer passes the washer 202 through each suspension bolt 200 and then screws the nut 201 into each suspension bolt 200 to fix the instrument body 1 to the lower surface of the ceiling plate 100.

  Thereafter, the installer connects the end of the power cable 4 to the terminal block 13, hooks each hooking piece 41 of the light source unit 2 into the corresponding hole 1121 of the instrument body 1, and attaches the light source unit 2 to the instrument body 1. Temporarily hold. Next, the installer connects the connector 132 of the terminal block 13 to the connector 242 of the power supply device 24 and also connects the signal cable 5 to the terminal block 25 while the light source unit 2 is temporarily held on the instrument body 1. To do.

  Finally, the installer rotates the light source unit 2 in the left-right direction using the holes 1121 and 1121 of the instrument body 1 as fulcrums, and attaches the light source unit 2 to the instrument body 1. At this time, each of the hook springs 42 of the light source unit 2 is hooked on the corresponding metal fitting 43 of the instrument body 1, so that the light source unit 2 is attached to the instrument body 1. The construction of the lighting fixture 10 is completed according to the above procedure (see FIGS. 3 and 4).

  By the way, in the above-mentioned lighting fixture 10, the shape of a connector may be changed by a design change etc., for example, depending on the combination of the fixture main body 1 and the light source unit 2, the combination which connects an old type connector and a new type connector may also occur. . In this case, a relay cable that connects the old connector and the new connector is required.

  FIG. 1 is a perspective view showing a main part of a lighting fixture 10 of the present embodiment. In the present embodiment, the connector 242 connected to the power supply device 24 is an old plug connector, and the connector 132 connected to the terminal block 13 is a new receptacle connector. Therefore, the connector 242 and the connector 132 cannot be connected as they are.

  Therefore, in the present embodiment, the relay cable 26 that connects the connector 242 and the connector 132 is used. The relay cable 26 has a connector 262 attached to one end of three electric wires 261 including a ground wire, and a connector 263 attached to the other end. The connector 262 is a plug connector, and the connector 132 connected to the terminal block 13 is detachably connected. The connector 263 is a receptacle connector, and a connector 242 connected to the power supply device 24 is detachably connected thereto.

  As shown in FIGS. 5A to 5C, one connector 262 of the relay cable 26 has a connector main body 2621 formed in a rectangular parallelepiped shape that is flat in the vertical direction. On one surface of the connector main body 2621 (surface facing the connector 132), three recessed portions 2621a isolated from each other are provided side by side in the left-right direction. Each recess 2621a houses a connection terminal 2622 that is electrically connected to a connection terminal (not shown) of the connector 132.

  By the way, when such a relay cable 26 is used, the wiring length is increased by the length of the relay cable 26. Therefore, when the light source unit 2 is assembled to the instrument main body 1, the relay cable 26 becomes an obstacle, and there is a possibility that the assembling workability may be reduced. Therefore, in this embodiment, the adhesive tape 27 (see FIG. 5C) is attached to the lower surface of the connector main body 2621 of the connector 262, and the connector 262 is temporarily fixed to the upper surface of the bottom surface portion 211 of the mounting member 21 by this adhesive tape 27. (See FIG. 1).

  As described above, by temporarily fixing the connector 262 to the upper surface of the bottom surface portion 211 of the mounting member 21, the relay cable 26 does not get in the way when the light source unit 2 is assembled to the instrument body 1, and the assembly workability is improved. Can be made. Here, in the present embodiment, a region between the terminal block 13 and the power cable 4 in the front-rear direction on the upper surface of the bottom surface portion 211 of the attachment member 21 is a temporary fixing region 213. In FIG. 1, two power cables 4 are shown, but one of them is a feed wiring to an adjacent lighting fixture (not shown).

  In the example shown in FIG. 1, the connector 262 is temporarily fixed by the adhesive tape 27 in the temporary fixing region 213. However, as shown in FIG. 6, the connector 262 is temporarily fixed by the cord keep 28 (wiring stopper) in the temporary fixing region 213. May be. In this case as well, the relay cable 26 does not get in the way when the light source unit 2 is assembled to the instrument body 1, and the assembly workability can be improved.

  Further, as in the present embodiment, the connector 262 can be temporarily fixed to the temporary fixing region 213 by temporarily fixing the connector 262 with the adhesive tape 27 or the cord keep 28.

  In the present embodiment, the cord keep 28 is used as a wiring stopper, but, for example, a wire or a binding band may be used as the wiring stopper, and the present invention is not limited to this embodiment.

  As described above, the lighting fixture 10 of this embodiment includes the light source unit 2, the fixture body 1, and the connector 262. The light source unit 2 includes an LED module 22 (light source), a power supply device 24, and an attachment member 21. The power supply device 24 supplies power to the LED module 22. The attachment member 21 has an LED module 22 attached to one surface side and a power supply device 24 attached to the other surface side. The instrument main body 1 has a recess 11 (accommodating portion) in which a light source unit 2 and a terminal block 13 to which an external power cable 4 is connected are accommodated. The connector 262 electrically connects the terminal block 13 and the power supply device 24. Further, the attachment member 21 has a temporary fixing region 213 for temporarily fixing the connector 262 on the other surface side to which the power supply device 24 is attached.

  According to the above configuration, by temporarily fixing the connector 262 to the temporary fixing region 213, the relay cable 26 does not get in the way when the light source unit 2 is assembled to the instrument main body 1, and the assembling workability can be improved. .

  Further, like the lighting fixture 10 of the present embodiment, the connector 262 is preferably temporarily fixed to the temporary fixing region 213 by the adhesive tape 27.

  According to the above configuration, by using the adhesive tape 27, the connector 262 can be temporarily fixed to the temporary fixing region 213 easily.

  Further, like the lighting fixture 10 of the present embodiment, the connector 262 is preferably temporarily fixed to the temporary fixing region 213 by the code keep 28 (wiring stopper).

  According to the above configuration, the connector 262 can be easily temporarily fixed to the temporary fixing region 213 by using the code keep 28.

DESCRIPTION OF SYMBOLS 1 Appliance body 2 Light source unit 4 Power supply cable 10 Illumination fixture 11 Recessed part (accommodating part)
13 Terminal block 21 Mounting member 22 LED module (light source)
24 Power supply 213 Temporary fastening region 262 Connector

Claims (3)

A light source, a power supply for supplying power to the light source, a light source unit having an attachment member to which the light source is attached on one side and the power supply is attached to the other side;
An instrument body having a housing portion in which the light source unit and a terminal block to which a power cable from the outside is connected are housed;
A connector for electrically connecting the terminal block and the power supply device;
The mounting member has a temporary fixing region for temporarily fixing the connector on the other surface side to which the power supply device is attached.   The lighting fixture according to claim 1, wherein the connector is temporarily fixed to the temporary fixing region by an adhesive tape.   The lighting apparatus according to claim 1, wherein the connector is temporarily fixed to the temporary fixing region by a wiring stopper.

Images