JP2000106004A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recessed luminaire capable of fitting a single base luminescent lamp in the optional direction with high working efficiency. SOLUTION: In a luminaire in which a single base fluorescent lamp 12 is fit to a luminaire body 5 having a ballast 15 protruded from the back surface and the installing surface is recessed; lamp socket fixing members 10, to which a lamp socket 11 of the single base fluorescent lamp 12 is fit, are faced and installed at the opposite ends of the luminaire body 5. The ballast 15 is preferably arranged on one side from the center of the luminaire body 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embedded luminaire to which a single base fluorescent lamp is mounted.

[0002]

2. Description of the Related Art Conventionally, as this type of buried type lighting fixture, one shown in FIG. 5 is generally known. This lighting fixture
A box-shaped fixture main body 5 having an open bottom surface, and a lamp socket mounting bracket 10 (hereinafter, referred to as an “LS bracket”) as a lamp socket mounting member is mounted on one end of the main body 5.

Further, at the center on the center line aa along the longitudinal direction of the back part 6 of the instrument body 5, a ballast mounting hole 7 for mounting a ballast is formed along the longitudinal direction. The ballast 15 is inserted from below, and protrudes upward from the instrument body rear part 6 and is fixedly screwed to the instrument body 5 with screws (not shown).

[0004] At both ends of the back surface of the instrument body, an oval shape is inserted from a slab (not shown) under the ceiling and inserted into a pair of hanging bolts (not shown) attached to the slab. A pair of mounting holes 8 are formed.

[0005] A method of installing a lighting fixture on a ceiling will be described.

[0006] As a first step, a ballast 15 is mounted in a ballast mounting hole 7 drilled in the back of the appliance body 5 indoors, and a one-sided lamp socket 1 is mounted on an LS fitting 10.
1 is attached.

As a second step, the instrument body 5 is lifted, and the instrument body 5 is fitted into an instrument mounting hole (not shown) formed in the ceiling. At this time, the instrument main body is lifted so that a pair of mounting holes 8, 8 formed in the back portion of the instrument main body are inserted into tips of a pair of hanging bolts (not shown) hanging from the slab. The instrument body is lifted until it hits a ceiling (not shown) as a surface to be attached.

As a third step, a nut (not shown) is screwed to the tip of the suspension bolt from below, and the nut is tightened to mount the instrument body on the ceiling.

[0009] Then, a reflector (not shown) is inserted into the instrument body, and is fixed in the instrument body with a decorative screw (not shown).

[0010] Finally, the one-sided lamp socket 11 is attached with the one-sided fluorescent lamp 12 to complete the assembly of the luminaire.

[0011]

As described above, in the conventional lighting fixture, a C channel 20 for suspending a member such as a ceiling is disposed behind the ceiling to which the fixture body is attached.

When the lighting equipment is mounted on the ceiling, the lighting equipment has a thin design so that the lighting equipment can be installed without cutting the C channel 20 disposed behind the ceiling.

However, the ballast 15 attached to the rear side of the luminaire cannot be made thin, and has a structure that protrudes upward from the rear part 6 of the main body of the luminaire.

In order to mount the luminaire on the ceiling avoiding the C channel 20, the luminaire is moved back and forth and mounted on the ceiling. As another method, the lighting fixture was rotated by 180 degrees with respect to the C channel and attached to the ceiling.

For this reason, in a lighting fixture for a single-base fluorescent lamp, the mounting direction of the single-base fluorescent lamp 12 is determined, and when the lighting fixtures are linearly connected and mounted, the directions of the lamps vary. There was a fear that it would.

Also, in the method of rotating the luminaire by 180 degrees to avoid the C channel, the mounting direction of the single-base fluorescent lamp is similarly determined, and the single-base fluorescent lamp cannot be mounted in any direction. There was a problem.

Further, since the ballast 15 is attached to the center of the rear part of the instrument body, the output terminal of the ballast is offset to one end. For this reason, it is necessary to adjust the length of a lead wire (not shown) for connecting the one-sided lamp socket and the ballast, and there is a problem that workability is poor.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has as its object to provide an embedded lighting device which has good workability and can be mounted with a single-base fluorescent lamp in any direction.

[0019]

According to one aspect of the present invention, there is provided a lighting apparatus according to the present invention, wherein a ballast is projected upward from a back surface of the lighting apparatus. In a lighting fixture which is mounted by being embedded in a mounting surface, a lamp socket mounting member to which a lamp socket of the single base fluorescent lamp is mounted is disposed opposite to each end of the fixture main body. Is what you do.

Further, in the lighting fixture of the present invention according to claim 2, the ballast is disposed on one side of the center of the fixture main body.

According to a third aspect of the present invention, there is provided a lighting device according to the present invention, wherein the ballast has an output terminal of the ballast arranged substantially at the center of the main body of the device.

In the structure according to the first aspect of the present invention, the lamp socket mounting members for mounting the lamp sockets of the single base fluorescent lamps are arranged opposite to each other at both ends of the apparatus main body, thereby avoiding the C channel. After the luminaire is mounted on the ceiling or the like as the mounting surface, the lamp socket can be mounted on either the left or right side, so that the direction of the single base fluorescent lamp can be determined as desired by the user.

In the structure according to the second aspect of the present invention, since the ballast projected and attached to the rear portion of the fixture main body is arranged on one side from the center of the fixture main body, when the C channel is arranged across the center of the lighting fixture. Others can be avoided by inverting and mounting the lighting fixture.

According to the third aspect of the present invention, since the output terminal of the ballast is disposed substantially at the center of the fixture body, the lead wire to the lamp socket should be disposed in any direction at the shortest. Can be.

[0025]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embedded lighting device according to an embodiment of the present invention will be described with reference to FIGS.
Note that the same parts as in the prior art will be described with the same reference numerals.

FIG. 1A shows a recessed lighting device according to an embodiment of the present invention. The lighting device has a box-shaped device main body 5 with an open bottom surface, and a lighting device inside the device main body 5. At both ends, LS fittings 10, 10 are attached to face each other on a longitudinal center line aa.

Further, a ballast mounting hole 7 is arranged along one side of the back side portion 6 of the appliance main body, and a ballast mounting hole 7 is provided along the longitudinal direction. The ballast 15 inserted from below the ballast mounting hole 7 projects upward from the instrument body back part 6 and is screwed and fixed to the instrument body with screws (not shown).

As shown in FIG. 4, for example, the ballast 15 is a ballast body (not shown) for stably lighting a lamp.
An end plate 19 having an end plate 19 mounted on one side of the ballast body and an output terminal 16 mounted on the other side thereof is mounted, and includes a cover 17 having a substantially U-shaped cross section and a bottom plate 18 containing the ballast body. are doing.

At both ends of the back portion 6 of the instrument body, a pair of oval-shaped attachments which are hung from a slab under the ceiling and are inserted into a pair of suspension bolts (not shown) attached to the slab. Holes 8, 8 are respectively formed.

A method of installing the lighting fixture on the ceiling will be described.

As a first step, a ballast 1 in which a ballast output terminal 16 is arranged in a ballast mounting hole 7 drilled in the rear of the instrument body 5 indoors such that an output terminal 16 of the ballast is located at the center of the instrument body.
Reference numeral 5 is attached to the rear side of the instrument body with screws (not shown).

As a second step, as shown in FIG.
In order to mount the lighting fixture on the ceiling without cutting the C channel 20 disposed in the ceiling, the fixture mounting hole 30 is formed in the ceiling 25 as a mounting surface so that the C channel comes to the opposite side of the ballast.

As a third step, the appliance body 5 is lifted, and the appliance body 5 is fitted into an appliance mounting hole 30 formed in the ceiling 25. At this time, the instrument main body is lifted so that a pair of mounting holes 8, 8 formed in the back portion of the instrument main body are inserted into tips of a pair of hanging bolts (not shown) hanging from the slab. The instrument body is lifted until it hits a ceiling 25 as a surface to be attached. Then, a nut (not shown) is screwed onto the tip of the suspension bolt, and the nut is tightened to attach the instrument body 5 to the ceiling 25.

As a fourth step, the lamp socket 11
Is mounted in the direction desired by the user, and the lamp socket 11 is connected to the output terminal 16 of the ballast arranged substantially at the center of the fixture body by a lead wire (not shown). Then, a reflector (not shown) is inserted into the instrument body, and the reflector is fixed to the instrument body with a decorative screw (not shown). FIG. 1B shows the LS fitting 10 with the lamp socket 11 attached to the left side, and FIG.
Is the LS fitting 1 with the lamp socket 11 attached to the right side
0. In this way, it is possible to mount the single-ended fluorescent lamp in the direction desired by the user.

Finally, the one-sided fluorescent lamp 12 is attached to the one-sided lamp socket 11, thereby completing the assembly of the lighting equipment.

The operation of the above embodiment will be described.

In the structure of the first aspect of the present invention, the LS metal fittings as the lamp socket mounting members for mounting the lamp sockets of the single-ended fluorescent lamps are arranged opposite to each other in both ends of the fixture body. After the lighting fixture is mounted on the ceiling, avoiding the channel, the lamp socket can be mounted on either the left or right side, so that the direction of the single base fluorescent lamp can be determined as desired by the user.

Further, even when the luminaires are linearly connected and mounted, the direction of the single-base fluorescent lamp can be made constant. Also, after the installation of the fixture body, the direction of the single base fluorescent lamp can be changed. Even if there is any obstacle under the lighting equipment, it is possible to easily replace the single-base fluorescent lamp by removing the reflector and to change the direction of the lamp.

In the structure according to the second aspect of the present invention, the ballast projected and attached to the back of the fixture main body is disposed on one side from the center of the fixture main body, so that the lighting fixture is not cut off the C channel disposed in the ceiling. To mount the luminaire, flip the luminaire so that the C channel is on the opposite side of the ballast and mount it on the ceiling. In addition, when the C channel is disposed across the center of the lighting fixture, it can be avoided by rotating the lighting fixture by 180 degrees.

According to the third aspect of the present invention, since the output terminal of the ballast is arranged so as to be substantially at the center of the main body of the apparatus, the lead wire to the lamp socket is shortest in either direction in one direction. Lamps can be arranged.

[0041]

As described above in detail, according to the first aspect of the present invention, the lamp socket mounting member is attached to the fixture so that the lamp socket for attaching the single-base fluorescent lamp can be attached to both ends of the fixture main body. Since the lighting fixtures are mounted on the ceiling etc., avoiding the C channel, the lamp sockets can be mounted on both the left and right sides, so that the direction of the single-ended fluorescent lamp can be changed as desired by the user. It is possible to decide.

According to the second aspect of the present invention, since the ballast is mounted on one side from the center of the rear portion of the device main body, the lighting device can be mounted without cutting the C channel disposed in the ceiling. The lighting fixture can be inverted and mounted on the ceiling so that the C channel is on the opposite side of the ballast.

According to the third aspect of the present invention, since the output terminal of the ballast is arranged so as to be substantially at the center of the main body of the apparatus, the lead wire to the lamp socket is shortest, and one end is provided in either direction. Gold fluorescent lamps can be arranged.

[Brief description of the drawings]

FIG. 1 is a top view showing the appearance of a lighting device according to a first embodiment of the present invention. (B) is a side view.

FIG. 2 is a side view showing a state where the lamp according to the first embodiment is mounted on the other end side.

FIG. 3 is a side view showing a state where the lighting fixture according to the first embodiment of the present invention is mounted on a ceiling.

FIG. 4 is a perspective view showing the appearance of a general ballast attached to a lighting fixture.

FIG. 5 is a top view showing the appearance of an embedded lighting device according to the related art. (B) is a side view.

[Explanation of symbols]

 5: instrument body, 6: rear part, 10: lamp socket mounting member (LS bracket), 11: lamp socket (one-sided lamp socket), 12: one-sided fluorescent lamp, 15: ballast, 16: output of ballast Terminals, 25: Mounting surface (ceiling).

Claims (3)

[Claims] 1. A lighting fixture in which a single-base fluorescent lamp is mounted in a fixture main body having a ballast projected upward from a rear surface portion and embedded in a mounting surface, wherein the one end is provided at both ends of the fixture main body. A lighting fixture, wherein a lamp socket mounting member to which a lamp socket of a gold fluorescent lamp is mounted is opposed to each other. 2. The lighting fixture according to claim 1, wherein the ballast is disposed on one side of a center of the fixture main body. 3. The lighting device according to claim 1, wherein the ballast has an output terminal of the ballast disposed substantially at the center of the device body.