JP6928911B2 - lighting equipment - Google Patents

Description

The present invention relates to a luminaire, and more particularly to a luminaire equipped with a power supply.

The lighting fixture described in Patent Document 1 will be illustrated as a conventional example of a lighting fixture equipped with a power supply device. The lighting fixture described in Patent Document 1 includes a fixture main body including a light source module and a power supply box. The light source module is configured by accommodating a plurality of light emitting diodes in a main body made of die-cast aluminum. The power supply box consists of a box body made of die-cast aluminum and a lid. The box body contains a terminal block that is electrically connected to a power cable introduced from the outside, and a power supply device that converts AC power supplied via the power cable into DC power and supplies it to the light source module. Will be done.

JP-A-2015-88432

By the way, in the conventional example described in Patent Document 1, since the connection work between the power cable and the power supply device is performed in the power supply box, the power supply box is downsized, and the lighting fixture is downsized while suppressing the deterioration of the workability of the connection work. It was difficult to make it.

An object of the present invention is to provide a lighting fixture capable of miniaturization while suppressing a decrease in workability of wiring work.

Lighting device according to one embodiment of the present invention, and a fixture main body for holding the light source, and power supplies for lighting and supplying power to the light source, have a plurality of walls, the box-shaped to have a opening in the front surface It is provided with a first accommodating portion formed and accommodating the power supply device. The luminaire includes a box-shaped second accommodating portion for accommodating a connection portion between an input line of the power supply device and a power cable, a first holding member for holding the input line in the second accommodating portion, and the first holding member. (2) A second holding member for holding the power cable is provided in the accommodating portion. The power supply device has a printed wiring board and at least a plurality of circuit components mounted on the component surfaces of the printed wiring board. Said second housing portion, the outer of said first housing portion from the bottom wall opposed to the opening portion along the longitudinal direction is the thickness direction of the bottom wall of the plurality of walls the first housing part has It has a plurality of ridges protruding toward. The second accommodating portion is detachably attached to the first accommodating portion, and has a cover that forms the second accommodating portion together with the plurality of protruding walls in a state of being attached to the first accommodating portion. The first holding member and the second holding member is secured to the bottom wall by one or more fastening components to be fastened to the bottom wall. The one or more fastening parts are fastened to the bottom wall in the first accommodating portion so as to secure an insulating distance from the plurality of circuit parts.

The lighting fixture of the present invention has an effect that it can be miniaturized while suppressing a decrease in workability of wiring work.

FIG. 1 is a perspective view of the lighting fixture according to the embodiment of the present invention as viewed from the front. FIG. 2 is a perspective view of the lighting fixture as seen from the rear. FIG. 3 is a partially broken front view of the lighting fixture of the same. FIG. 4 is a rear view of the same lighting fixture. FIG. 5 is a cross-sectional view of the right side surface of the same lighting fixture with a part omitted. FIG. 6 is an exploded perspective view of the lighting fixture with the connection cover removed. FIG. 7 is an exploded perspective view of the lighting fixture with the power supply cover removed. FIG. 8 is a rear view of the lighting fixture with the power cover removed. FIG. 9 is a rear view of the lighting fixture with the connection cover removed.

Hereinafter, embodiments of the lighting fixture according to the present invention will be described in detail with reference to the drawings. The luminaire 1 of the present embodiment is a luminaire equipped with a power supply device, and is a luminaire used for illuminating a wall surface of a building, a signboard, or the like, as in the conventional example described in Patent Document 1. The configuration described in the following embodiments is only an example of the present invention. The present invention is not limited to the following embodiments, and various modifications can be made depending on the design and the like as long as the effects of the present invention can be achieved.

As shown in FIGS. 1 to 6, the lighting fixture 1 includes a fixture main body 2, a light source 3, a power supply device 4, a power supply cover 5, a wiring cover 6, a first holding member 7, and a second holding member 8. Further, the lighting fixture 1 preferably includes a panel unit 22 and an arm 10. However, in the following description, the vertical, horizontal, and front-rear directions of the luminaire 1 are defined by the directions indicated by the arrows in FIG.

As shown in FIGS. 1 and 2, the instrument main body 2 has a light source accommodating portion 20 and a power supply mounting portion 21. The light source accommodating portion 20 is formed in a box shape having an opening on the front surface. A large number of heat radiation fins 200 are provided on the rear surface of the light source accommodating portion 20. The opening of the light source accommodating portion 20 is closed by the panel unit 22. The panel unit 22 has a translucent panel 220 formed in a rectangular plate shape by a translucent material such as glass, and a rectangular frame-shaped frame 221 that holds a peripheral portion of the translucent panel 220. ing. The panel unit 22 is attached to the front surface of the light source accommodating portion 20 with a static seal such as an O-ring interposed between the front end portion of the light source accommodating portion 20. That is, the space surrounded by the panel unit 22 and the light source accommodating portion 20 (the space accommodating the light source 3) is sealed by the O-ring.

The power supply mounting portion 21 is formed in a box shape having an opening on the rear surface (see FIGS. 7 and 8). The upper side wall of the power supply mounting portion 21 and the lower side wall of the light source accommodating portion 20 are coupled. A plurality of long protrusions 210 are provided on the front surface of the power supply mounting portion 21 so as to be arranged at equal intervals and in parallel with each other (see FIG. 1). These plurality of protrusions 210 are intended to improve heat dissipation by increasing the surface area of the front surface of the power supply mounting portion 21. Further, a groove 211 recessed forward is provided around the entire circumference of the opening on the rear surface of the power supply mounting portion 21 (see FIGS. 7 and 8). An O-ring 212 is fitted into the groove 211 (see FIG. 5). Here, it is preferable that the power supply mounting portion 21 is integrally formed with the light source accommodating portion 20 by, for example, aluminum die casting.

The light source 3 has an LED (Light Emitting Diode) module 30 and a lens 31 (see FIG. 1). The LED module 30 has, for example, one or more blue LED chips mounted on a mounting substrate and a sealing resin for sealing the blue LED chips. However, the sealing resin contains a wavelength conversion member that converts blue light emitted from the blue LED chip into yellow light. The LED module 30 is configured to emit white light by mixing blue light and yellow light. The lens 31 is preferably formed of a translucent synthetic resin such as an acrylic resin or a polycarbonate resin. Here, the luminaire 1 preferably includes a plurality of (four in the illustrated example) light sources 3 (see FIGS. 1 and 3). It is preferable that these four light sources 3 are fixed to the inner bottom surface of the light source accommodating portion 20 so as to be arranged in a matrix of two rows above and below and two rows left and right when viewed from the front.

The power supply device 4 preferably has a power conversion circuit that converts AC power supplied from an external power source (for example, a commercial AC power source) via a power cable 11 into DC power. The power conversion circuit is preferably composed of, for example, a full-wave rectifier, a power factor improving circuit (step-up chopper circuit), a DC / DC converter (step-down chopper circuit), or the like. The power supply device 4 is configured by mounting various circuit components 41, an input terminal block 42, and an output terminal block 43 constituting a power conversion circuit on the surface (rear surface or both front and rear surfaces) of a rectangular plate-shaped printed wiring board 40. (See FIGS. 7 and 8). Among these circuit components 41, the circuit components (for example, transformer, electrolytic capacitor, etc.) inserted and mounted on the printed wiring board 40, the input terminal block 42, and the output terminal block 43 are the rear surfaces (components) of the printed wiring board 40. It is mounted on the surface). Two input lines 420 are electrically connected to the input terminal block 42. Further, one end of two output lines 430 is electrically connected to the output terminal block 43. Further, the other ends of the two output lines 430 are electrically connected to four light sources 3 (LED modules 30) housed in the light source accommodating portion 20. However, these two output lines 430 are inserted into holes 201 (see FIG. 1) penetrating the upper side wall of the power supply mounting portion 21 and the lower side wall of the light source accommodating portion 20. The power supply device 4 is mounted on the inner bottom surface (rear surface) of the power supply mounting portion 21. For example, it is preferable that both ends of the printed wiring board 40 in the longitudinal direction are screwed to the inner bottom surface of the power supply mounting portion 21 (see FIG. 8).

The power supply cover 5 is formed of, for example, by aluminum die casting in a box shape having a bottom wall 50, an upper side wall 51, a lower side wall 52, a left side wall 53 and a right side wall 54, and having an opening on the front surface facing the bottom wall 50. (See FIGS. 4 to 7). Further, the power supply cover 5 preferably has a flange 55 projecting outward from the front end of the lower side wall 52, the left side wall 53, and the right side wall 54. Screw insertion holes 550 penetrate one by one through the four corners of the flange 55. Further, the power supply cover 5 preferably has a pair of protruding walls 56 protruding rearward from the outer surface (rear surface) of the bottom wall 50 (see FIG. 7).

Further, a boss 500 having a screw hole 501 is formed so as to project rearward in the vicinity of each protruding wall 56 on the rear surface of the bottom wall 50 (see FIGS. 6 and 7). Further, a pair of cable receivers 502 are provided at the center of the lower portion of the rear surface of the bottom wall 50 in the left-right direction. Each cable receiver 502 is formed in a semi-cylindrical surface shape and has a recess for accommodating the power cables 11 and 12.

A first holding member 7 and a pair of second holding members 8 are attached to the rear surface of the bottom wall 50 (see FIG. 7). The first holding member 7 preferably has a seal portion 70, a holding metal fitting 71, a filter 72, a filter cover 73, and two fixing screws 74 (see FIG. 5). The seal portion 70 is formed of a long prismatic shape by using a synthetic resin material such as urethane resin. Circular screw insertion holes 700 penetrate through both ends of the seal portion 70 in the longitudinal direction. Further, a pair of through holes 701 penetrate through the center of the seal portion 70 in the longitudinal direction. Further, a circular ventilation hole 702 penetrates between the screw insertion hole 700 on the upper side of the seal portion 70 and the wire insertion hole 701 on the upper side. The holding metal fitting 71 is made of a metal material such as a stainless steel plate and is formed in a long box shape having an opening on one surface (front surface). Circular screw insertion holes 710 penetrate through both ends of the bottom surface of the holding metal fitting 71 in the longitudinal direction. Further, a circular wire hole 711 penetrates through the center of the bottom surface of the holding metal fitting 71 in the longitudinal direction. Further, a circular ventilation hole 712 penetrates between the upper screw insertion hole 710 and the wire hole 711 on the bottom surface of the holding metal fitting 71. The filter 72 is preferably formed in the shape of a thin disk. The filter 72 is configured to allow air to pass through without passing water or dust, for example, by a porous membrane made of tetrafluorinated ethylene resin. The filter cover 73 has a rectangular box-shaped lid portion 730 whose one surface (front surface) is open, and a fixing piece 731 projecting from the upper end of the lid portion 730. However, it is preferable that the lid portion 730 and the fixing piece 731 are integrally formed of a metal material such as stainless steel.

The first holding member 7 is screwed to the bottom wall 50 by two fixing screws 74. More specifically, the fixing screws 74 are inserted into the screw insertion holes 710 of the holding metal fitting 71 and the screw insertion holes 700 of the seal portion 70, respectively, and are fixed to the two female screw portions 503 provided on the bottom wall 50. The screw 74 is screwed in (see FIG. 5). Here, the bottom wall 50 is provided with a hole 504 that overlaps with the wire hole 701 of the seal portion 70 and a hole 505 that overlaps with the ventilation hole 702 of the seal portion 70. The filter 72 is sandwiched between the seal portion 70 and the holding metal fitting 71 so as to overlap the ventilation hole 702. Further, the filter cover 73 is screwed into the holding metal fitting 71 so as to cover the ventilation hole 712 of the holding metal fitting 71 by the lid portion 730 by inserting the fixing screw 74 into the screw insertion hole 732 provided in the fixing piece 731. It will be stopped.

The second holding member 8 preferably has a receiving portion 80, a pressing portion 81, and two mounting screws 82 (see FIGS. 6 and 7). The receiving portion 80 is formed in an elliptical cylinder shape. Cylindrical holes through which mounting screws 82 can be inserted are penetrated at both ends of the receiving portion 80 in the long axis direction (left-right direction). Further, a semi-cylindrical surface-shaped recess 800 is formed in the center of the rear surface of the receiving portion 80 in the long axis direction. The pressing portion 81 is formed in an elliptical cylinder shape having substantially the same shape as the receiving portion 80. Cylindrical holes through which mounting screws 82 can be inserted are penetrated at both ends of the holding portion 81 in the long axis direction (left-right direction). Further, a semi-cylindrical surface-shaped recess 810 is formed in the center of the front surface of the pressing portion 81 in the long axis direction. The receiving portion 80 and the pressing portion 81 are preferably formed of, for example, a synthetic resin.

The second holding member 8 is screwed to the bottom wall 50 by two mounting screws 82. More specifically, the mounting screws 82 are inserted from the holes of the holding portion 81 into the holes of the receiving portion 80, and the mounting screws 82 are screwed into the female screw portions 506 provided on the bottom wall 50 (see FIG. 5). ).

The connection cover 6 includes a rectangular flat top plate 60, a first side plate 61 projecting diagonally upward and forward from the upper end edge of the top plate 60, and a second side plate 62 projecting diagonally downward and forward from the lower end edge of the top plate 60. (See FIGS. 2, 6 and 7). A circular hole 600 penetrates substantially in the center of the top plate 60 in the vertical direction at both ends in the horizontal direction. Further, a semi-cylindrical first recess 601 is formed at the center of the upper end of the top plate 60 in the left-right direction. Further, two semi-cylindrical second recesses 602 are formed at the center of the lower end of the top plate 60 in the left-right direction.

A hole 610 having a longitudinal direction in the front-rear direction penetrates through the center of the first side plate 61 in the left-right direction (see FIG. 6). However, the hole 610 of the first side plate 61 is connected to the first recess 601 of the top plate 60. Two holes 620 having a longitudinal direction in the front-rear direction penetrate through the center of the second side plate 62 in the left-right direction. However, the two holes 620 of the second side plate 62 are connected to the corresponding second recess 602 of the two second recesses 602 of the top plate 60 (see FIG. 2).

The arm 10 is preferably formed in a U shape by a metal plate such as a stainless steel plate. Both ends of the arm 10 in the longitudinal direction are screwed to the upper part of the left side surface and the upper part of the right side surface of the power supply mounting portion 21 of the instrument main body 2, respectively (see FIG. 3). However, the arm 10 is rotatably attached to the instrument main body 2 with the two screws 100 attached to the power supply attachment portion 21 as fulcrums.

Next, the procedure for assembling the lighting fixture 1 will be described. However, in the following description, the assembly work of the light source 3 for the light source accommodating portion 20 will be omitted. The worker who performs the assembly work screwes the printed wiring board 40 of the power supply device 4 to the inner bottom surface (front surface) of the power supply mounting portion 21. Further, the operator electrically connects the two output lines 430 inserted into the holes 201 of the instrument main body 2 to the output terminal block 43 (see FIG. 8).

Subsequently, the operator connects the two input wires 420 (head wires) electrically connected to the input terminal block 42 into the two through holes 701 provided in the seal portion 70 of the first holding member 7. Insert one by one. After that, the operator accommodates the O-ring 212 in the groove 211 of the power supply mounting portion 21, and covers the power supply mounting portion 21 from the rear. Then, the operator inserts four screws one by one into the screw insertion holes 550 at the four corners of the flange 55, and screwes each screw into the four screw holes 213 provided in the power supply mounting portion 21 one by one. As a result, the power supply cover 5 and the power supply mounting portion 21 are coupled. As a result, the power supply device 4 is accommodated in the first accommodating portion composed of the power supply mounting portion 21 and the power supply cover 5. The first accommodating portion is sealed by the O-ring 212 (see FIG. 5).

Subsequently, the operator covers the rear surface of the power supply cover 5 with the connection cover 6 so as to cover the first holding member 7 and the two second holding members 8 with the connection cover 6. Then, the operator inserts one screw into each of the two holes 600 of the top plate 60, and screws each screw into the screw hole 501 of the boss 500 of the bottom wall 50 of the power supply cover 5, thereby connecting the connection cover 6 and the power supply. Join the cover 5. As a result, the first holding member 7 and the second holding member 8 are accommodated in the second accommodating portion composed of the bottom wall 50 of the power supply cover 5, the pair of protruding walls 56, and the connection cover 6 (FIGS. 2 and 2). 5). In this way, the assembly work of the lighting fixture 1 is completed.

Next, the procedure of the work of connecting the power cables 11 and 12 to the lighting fixture 1 will be described. However, the power cable 11 is the power cable that is pulled in in the feed wiring, and the power cable 12 is the power cable that is pulled out in the feed wiring. The power cable 11 has three electric wires (voltage line 110, neutral wire 111, and ground wire 112) and a sheath 113 covering the three electric wires 110 to 112. Similarly, the power cable 12 has three electric wires (voltage line 120, neutral wire 121 and ground wire 122) and a sheath 123 covering the three electric wires 120 to 122 (see FIG. 9).

First, the operator performing the wiring work peels off the sheaths 113 and 123 at the tip portions of the power cables 11 and 12 to expose the three electric wires. Then, the operator removes the connection cover 6 from the power supply cover 5 and causes the second holding member 8 on the left side when viewed from the rear to hold the power cable 11 (see FIG. 9). Similarly, the operator causes the second holding member 8 on the right side when viewed from the rear to hold the power cable 12. In this way, the operator can reduce the tension applied to the power cables 11 and 12 by tensioning the power cables 11 and 12 with the second holding member 8.

Subsequently, the operator electrically connects the conductors of the ground wires 112 and 122 of the power cables 11 and 12 to the ground terminal portion 57 provided on the power cover 5 (see FIG. 9). The ground terminal portion 57 is preferably formed of, for example, a cylindrical boss having a screw hole and projecting rearward from the bottom wall 50. The operator connects the crimp terminals to the conductors of the ground wires 112 and 122, respectively, and screwes the screw 13 inserted into the crimp terminals into the screw holes of the ground terminal portion 57 to screw the two ground wires 112 and 122 into the screw holes. Is preferably electrically connected to the ground terminal portion 57 (see FIG. 9).

Next, the operator electrically connects the conductors of the voltage lines 110 and 120 of the power cables 11 and 12 and the conductor of one of the input lines 420 by a sleeve. Further, the operator wraps the self-bonding tape around the conductors of the sleeve, the voltage lines 110, 120 and the input line 420, and then wraps the insulating tape 14 on the self-bonding tape (see FIG. 9). Similarly, the operator electrically connects the conductors of the neutral wires 111 and 121 of the power cables 11 and 12 with the conductor of the other input wire 420 by a sleeve. Further, the operator wraps the self-bonding tape around the conductors of the sleeve, the neutral wires 111, 121 and the input line 420, and then wraps the insulating tape 14 on the self-bonding tape. In this way, the two voltage lines 110 and 120 and one input line 420 are electrically connected, and the two neutral wires 111 and 121 and the other input line 420 are electrically connected. Connected to.

Subsequently, the operator houses the power cable 11 in the cable receiver 502 on the left side when viewed from the rear, and stores the power cable 12 in the cable receiver 502 on the right side when viewed from the rear (see FIG. 9). Finally, the operator attaches the connection cover 6 to the power supply cover 5. At this time, the two power cables 11 and 12 housed in the cable receiver 502 are pulled out of the second accommodating portion through the two holes 620 provided in the second side plate 62 of the connection cover 6 (FIG. 4). reference). In this way, the wiring work of the power cables 11 and 12 is completed.

By the way, in the conventional example described in Patent Document 1, the power supply device is housed in a power supply box composed of a box-shaped box body having an opening on one side and a lid for closing the opening of the box body, and the power supply device and the power supply device. Wiring work with the power cable was also done inside the box body.

On the other hand, in the luminaire 1 of the present embodiment, the first accommodating portion (power supply mounting portion 21 and power supply cover 5) accommodating the power supply device 4, the input line 420 of the power supply device 4, and the power cables 11 and 12 are accommodated. The second accommodating portion (bottom wall 50, protruding wall 56, and connection cover 6) is separated from the second accommodating portion. Further, in the luminaire 1, the female screw portion 503 to be fastened to the fixing screw 74 and the female screw portion 506 to be fastened to the mounting screw 82 are projected from the bottom wall 50 into the first accommodating portion. Therefore, the lighting fixture 1 reduces the volume of the space (first accommodating portion) for accommodating the power supply device 4 while suppressing the decrease in the volume of the space (second accommodating portion) for wiring work, and suppresses the decrease in the volume of the space (second accommodating portion). It is possible to suppress a decrease in workability of the 12 connection work. However, the luminaire 1 needs to secure a necessary and sufficient insulation distance between the female screw portions 503 and 506 integrally formed with the metal power supply cover 5 and the circuit component 41 of the power supply device 4. .. Therefore, the luminaire 1 is placed at a position (a space surrounded by the output terminal block 43 and the tall circuit component 41) on the bottom wall 50 of the power supply cover 5 so as not to overlap the tall circuit component 41 when viewed from the front-rear direction. Each female thread portion 506 is arranged. As a result, the lighting fixture 1 is required between the female screw portions 503 and 506 and the circuit component 41 of the power supply device 4 while suppressing an increase in the height from the component surface (rear surface) of the printed wiring board 40 to the bottom wall 50. A sufficient insulation distance can be secured. Further, in the fixture main body 2 of the lighting fixture 1, when the power is supplied to the plurality of lighting fixtures 1 by feeding and wiring the two power cables 11 and 12, the plurality of lighting fixtures 1 are grouped together by the feed wiring. Can be wired.

Further, in the luminaire 1, the bottom wall 50 of the power supply cover 5 is formed so as to include the bottom of the second accommodating portion. In other words, the bottom wall 50 of the power supply cover 5 forms the bottom surface of the second accommodating portion. Therefore, the lighting fixture 1 can reduce the manufacturing cost by reducing the number of parts.

Further, in the manufacturing process of the lighting fixture 1, the work of attaching the power supply device 4 and the power supply cover 5 to the power supply mounting portion 21 and the work of attaching the connection cover 6 to the power supply cover 5 are all performed in the same direction (from rear to front). It is said. That is, the worker who assembles the lighting fixture 1 screwes the power supply device 4, the power supply cover 5, and the connection cover 6 to the power supply mounting portion 21 of the fixture main body 2 from one direction (direction from rear to front). Can be attached. As a result, the luminaire 1 can improve the workability of the assembly work.

Further, in the luminaire 1, the first accommodating portion composed of the power supply mounting portion 21 and the power supply cover 5 is sealed by the O-ring 212. Therefore, since it is not necessary to store the power supply device 4 in the sealed container of the luminaire 1, the size of the first accommodating portion can be reduced. Moreover, since the hole 504 for pulling out the input line 420 of the power supply device 4 to the outside of the first accommodating portion is sealed by the seal portion 70 of the first holding member 7, the power supply cover 5 and the connection cover 6 are sealed. Is unnecessary.

By the way, the light source accommodating portion 20 of the instrument main body 2 is provided with a fixing portion 23 to which one end of the fall prevention wire is fixed. The fixing portion 23 is, for example, made of a female screw and is preferably provided at the center in the left-right direction on the lower surface of the light source accommodating portion 20 (see FIG. 4). The fall prevention wire is pulled out to the rear of the instrument main body 2 through the gap between the light source accommodating portion 20 and the power supply mounting portion 21.

As described above, the lighting fixture 1 accommodates the fixture main body 2 that holds the light source 3, the power supply device 4 that supplies power to the light source 3 to light it, and the power supply device 4 that is formed in a box shape having a plurality of walls. It is provided with a first accommodating portion (power supply mounting portion 21 and power supply cover 5). The luminaire 1 includes a box-shaped second accommodating portion (bottom wall 50, protruding wall 56, and connection cover 6) for accommodating the connection portion between the input line 420 of the power supply device 4 and the power cables 11 and 12, and the second accommodating portion. A first holding member 7 for holding the input line 420 in the unit is provided. The luminaire 1 includes a second holding member 8 that holds the power cables 11 and 12 in the second accommodating portion. The power supply device 4 has a printed wiring board 40 and at least a plurality of circuit components 41 mounted on the component surfaces of the printed wiring board 40. The second accommodating portion projects from one of the plurality of walls (bottom wall 50) of the first accommodating portion toward the outside of the first accommodating portion along the thickness direction (front-back direction) of the bottom wall 50. It has a plurality of protruding walls 56 and the like. The second accommodating portion is detachably attached to the first accommodating portion, and in a state of being attached to the first accommodating portion, a cover (connection cover 6) forming the second accommodating portion together with the plurality of protruding walls 56 is attached. Have. The first holding member 7 and the second holding member 8 are fixed to the bottom wall 50 by one or more fastening parts (fixing screw 74 and female screw portion 503 and mounting screw 82 and female screw portion 506) to be fastened to the bottom wall 50. Will be done. One or more fastening parts are fastened to the bottom wall 50 so as to secure an insulating distance from the plurality of circuit parts 41 in the first accommodating portion.

Since the luminaire 1 is configured as described above, the first accommodating portion in which the power supply device 4 is accommodated and the second accommodating portion in which the input line 420 of the power supply device 4 and the power cables 11 and 12 are accommodated are separated. However, it is possible to reduce the size while suppressing the deterioration of the workability of the connection work.

It is preferable that the luminaire 1 has a plurality of second holding members 8.

Since the lighting fixture 1 is configured as described above, the power cable 11 for pulling in and the power cable 12 for pulling out can be tensioned by the plurality of second holding members 8 to feed and wire the power cable. ..

In the luminaire 1, the first accommodating portion includes a power supply mounting portion 21 to which the power supply device 4 is attached, and an accommodating portion main body (power supply cover 5) formed in a box shape having an opening on one side and attached to the power supply mounting portion 21. It is preferable to have. The power supply cover 5 is preferably configured to include the bottom wall 50.

Since the luminaire 1 is configured as described above, the manufacturing cost can be reduced by reducing the number of parts.

In the luminaire 1, it is preferable that the power supply cover 5 is configured to be attached to the power supply mounting portion 21 from the same direction as the fastening direction of one or more fastening parts.

Since the luminaire 1 is configured as described above, the workability of the assembly work can be improved.

It is preferable that the luminaire 1 has a waterproof member (O-ring 212) that closes the gap between the power supply cover 5 and the power supply mounting portion 21 by elastically deforming.

Since the luminaire 1 is configured as described above, it is necessary to store the power supply device 4 in a sealed container in which the first accommodating portion composed of the power supply mounting portion 21 and the power supply cover 5 is sealed by the O-ring 212. There is no. As a result, the lighting fixture 1 can reduce the size of the first accommodating portion.

1 Lighting equipment 2 Equipment body 3 Light source 4 Power supply 5 Power supply cover (1st housing)
6 Wiring cover (cover)
7 1st holding member 8 2nd holding member 11 Power cable 12 Power cable 21 Power mounting part (1st accommodating part)
40 Printed wiring board 41 Circuit parts 50 Bottom wall 74 Fixing screws (fastening parts)
82 Mounting screws (fastening parts)
212 O-ring (waterproof member)
420 Input line 503 Female thread (fastening part)
506 Female thread part (fastening part)

Claims (5)

The main body of the fixture that holds the light source and
A power supply device that supplies power to the light source to turn it on,
Have a plurality of walls, a first housing portion which is formed into a box shape to have the opening in the front and accommodating the power supply device,
A box-shaped second accommodating portion for accommodating the connection portion between the input line of the power supply device and the power cable, and
A first holding member that holds the input line in the second accommodating portion,
A second holding member for holding the power cable in the second accommodating portion is provided.
The power supply unit
Printed wiring board and
It has at least a plurality of circuit components mounted on the component surfaces of the printed wiring board.
The second accommodating part
A plurality of walls of the first accommodating portion that project outward from the bottom wall facing the opening along the front-rear direction , which is the thickness direction of the bottom wall. With a ridge
It has a cover that is detachably attached to the first accommodating portion and that forms the second accommodating portion together with the plurality of protruding walls in a state of being attached to the first accommodating portion.
The first holding member and the second holding member is fixed to the bottom wall by one or more fastening components to be fastened to the bottom wall,
A lighting fixture characterized in that the one or more fastening parts are fastened to the bottom wall so as to secure an insulating distance between the plurality of circuit parts in the first accommodating portion. The lighting fixture according to claim 1, further comprising a plurality of the second holding members. The first accommodating part
The power supply mounting part to which the power supply device is mounted and
It has a housing unit body that is formed in a box shape with one side open and is attached to the power supply mounting unit.
The lighting fixture according to claim 1 or 2, wherein the housing portion main body is configured to include the bottom wall. The luminaire according to claim 3, wherein the accommodating portion main body is configured to be attached to the power supply mounting portion from the same direction as the fastening direction of the one or more fastening parts. The luminaire according to claim 3 or 4, wherein the luminaire has a waterproof member that closes a gap between the accommodating portion main body and the power supply mounting portion by elastically deforming.

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