JPH10177804A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable an accessory such as a louver to be provided as well as to increase the number of lamps by providing arc-shape reflector boards among plural lamps arranged in parallel and enabling lamps to be additionally provided blow the reflector boards. SOLUTION: A built in type luminaire is set on a pair of T bar 7 attached to the back side of a ceiling by plural pieces of support metal 15 attached on the back surface part 11 of a luminaire body 10. In the central upper part of a reflective end plate 30, a circular knock-out 45 through which a lamp 34 can penetrate is formed. The knock-out 45 includes coupling parts 46 at some places so that it can be removed by a certain grade of force and fine slit poles 47 are formed in other places. As circular reflection board 50 used instead of a V-shape reflection board has its height comparatively lower than the height of the V-shape reflection board, knock-out 45 for increasing the number of lamps provided on the reflective end plate 30 appears outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device capable of increasing the number of lights.

[0002]

2. Description of the Related Art The prior art will be described with reference to an embedded lighting fixture shown in FIGS.

[0003] The recessed luminaire is mounted on a pair of T-bars 7, 7 disposed opposite to the ceiling along the side edges of a rectangular opening 6 formed in the ceiling 5. Have been.

[0004] The above-mentioned recessed type lighting fixture has a trapezoidal support bracket 15 attached to the fixture main body 10 and a back surface 11 of the fixture main body 10 in a longitudinal direction so as to straddle the width direction of the fixture main body by a method not shown. It is composed of

[0005] At the lower ends of the support fitting 15, trapezoidal mounting pieces 16 which are opened downward are respectively attached to the support fitting 15 by a method not shown, and inside the mounting piece 16 are provided. In the figure, a L-shaped hooking piece 17 made of a spring material is fixed to the support fitting 15 with a rivet (not shown).

The apparatus main body 10 has a reflector 20 having a substantially U-shaped cross section having a rectangular opening 21 below, and a V-shaped reflector attached to the reflector 20 along the central longitudinal direction of the reflector 20. Reflecting end plates 30, 30 are fixed to the reflecting plate 20 by a method (not shown) so as to cover the plate 25, the reflecting plate 20, and the opening at both ends of the V-shaped reflecting plate 25. Further, lamps 34 are provided on both sides of the reflection end plate 30.
Are inserted into the lamp insertion holes 31, 31 respectively. Also, the lamp insertion holes 31, 31 are provided.
Lamp sockets 35, 35 are mounted on the reflection end plate 30 by a method (not shown).

At the center of the reflection plate 20 in the width direction, there is provided a reflection plate protrusion 22 projecting upward in a U-shape along the longitudinal direction, and the reflection plate protrusion 22 is opposed to the width direction. It is formed from the formed rising surface portions 23, 23 and the flat surface-like rear portion 11 connecting the upper ends of the rising surface portions 23, 23. Further, the rising surface portion 23 includes
Rectangular fitting holes 24, 24 are formed facing each other. At the lower end on both sides of the reflection plate 20, U-shaped mounting portions 19, 19 opened upward are formed, respectively.

[0008] In the reflection plate protruding portion 22 of the reflection plate 20, wiring parts such as a stabilizer 39 for stably lighting the lamp and a terminal block (not shown) are accommodated.

The V-shaped reflector 25 is made of an elastic steel or the like and has a V-shaped cross section in the width direction. The V-shaped reflector main portion 26 extends upward from both end edges of the V-shaped reflector main portion 26. And the engaging pieces 27 and 27 formed in parallel with each other.
Rectangular fitting holes 24, 2 formed in the reflector projection 22
The fitting projections 28, 28 that engage with the projections 4 are formed to project outward. The fitting projection 28 has an arc shape that expands downward so as to be easily engaged with the fitting holes 24 formed in the reflection plate projection 22.

[0010] A method of assembling the recessed lighting fixture will be described.

The appliance body 1 is opened through an opening 6 formed in the ceiling 5.
0, the lamp 34, the support fitting 15 and the like are carried into the space above the ceiling.

First, a support member 15 is fixed to the back portion 11 of the instrument body with a screw (not shown). Then, the mounting pieces 16, 16 formed at both ends of the support fitting 15, respectively.
Is mounted on the T-bars 7, 7 and fixed to the T-bars 7, 7 by hooking pieces 17, 17. Next, the fitting pieces 27, 27 of the V-shaped reflector are inserted into the projection 22 of the reflector while narrowing the upper part of the V-shaped reflector 25 from the opening 6 opened in the ceiling.
Further, when the V-shaped reflector 25 is moved upward,
The fitting projection 28 of the V-shaped reflector is fitted into the fitting hole 24 of the reflector, and the V-shaped reflector 25 is provided with a ballast 39 mounted in the reflector protruding portion 22 and a terminal block (not shown). And is fixed to the reflection plate 20.

Then, the lamp 34 is connected to the V-shaped reflector 2.
5 along the longitudinal sides. The V-shaped reflector has a function of irradiating the light of the lamp toward the room.

[0014]

As described above, the lamps 34 of the conventional lighting fixture are mounted on both sides of the V-shaped reflector 25 disposed along the longitudinal direction of the reflector 20.

Therefore, the V-shaped reflector becomes an obstacle,
For example, there has been a problem that it is not possible to increase the number of lighting fixtures from two to three.

Similarly, accessories such as louvers installed in the lower opening of the lighting fixture also have a problem that the V-shaped reflecting plate becomes an obstacle and cannot be attached.

The present invention has been made in view of the above points, and an object of the present invention is to provide a lighting apparatus which can be increased in lamps and to which accessories such as louvers are attached.

[0018]

In order to achieve the above object, a lighting apparatus according to the present invention has a plurality of lamps arranged in parallel along a reflector and arranged between the lamps and mounted on the reflector. In a lighting fixture having a V-shaped reflector, an arc-shaped reflector is mounted on the reflector instead of the V-shaped reflector, and a lamp can be added below the arc-shaped reflector. Is what you do.

In the above configuration, if an arc-shaped reflector is attached instead of the V-shaped reflector attached along the reflector,
Knockouts for additional lighting hidden by the V-shaped reflector appear on the reflecting end plate.

Therefore, for example, when increasing the number of lighting fixtures from two to three, it is necessary to pull out the knockout for additional lighting of the reflecting end plate and to face the lamp insertion hole formed after the knockout is removed. If a lamp socket is mounted on the back side of the reflection end plate, it can be used for additional lighting.

Further, since the arc-shaped reflection plate hardly protrudes downward, a space is formed below the arc-shaped reflection plate. Accessories such as louvers can be attached to this space.

[0022]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Note that the same components as in the related art will be described with the same reference numerals.

The recessed luminaire is installed on a pair of T-bars 7, 7 mounted on the back of the ceiling by a plurality of support fittings 15 mounted on the back portion 11 of the luminaire main body 10.

In a normal use state, as described in the prior art (FIG. 8), rectangular fitting holes 24, 24 formed in a pair of rising pieces 23, 23 formed above the reflector 20.
While the pair of engaging pieces 27, 27 formed on both sides of the upper part of the V-shaped reflector 25 are narrowed, fitting projections 28, 28 provided on both fitting pieces are fitted to the fitting holes 24, 24. After the fitting, the V-shaped reflector 25 is attached along the center of the fixture main body 10, the lamp 34 is used as a two-lamp lighting fixture in which two lamps are attached along both sides in the longitudinal direction of the V-shaped reflector 25. Was.

However, there are cases in which it is desired to use a two-lamp lighting device with additional lighting. A lighting fixture according to the present invention that can cope with this will be described below.

At the upper center of the reflecting end plate 30, a lamp 34 is provided.
Are formed to form a knockout 45 having a circular shape into which a knockout 45 can be inserted. The knockout 45 is formed in a circular shape, and is connected to a connecting portion 46 so as to be detachable with a certain force.
The other forms a narrow slit hole 47.

The arc-shaped reflector 50 used in place of the V-shaped reflector 25 is prepared, for example, as a separately sold component. The arc-shaped reflecting plate 50 includes engaging pieces 27, 27 formed on both sides in the longitudinal direction, and engaging pieces 27, 27.
Arc-shaped surface portion 5 formed in an arc shape connecting the lower edges of
The height H1 of the arc-shaped reflector 50 is
The shape is considerably lower than the height H2 of the V-shaped reflector.
The engaging pieces 27, 27 have fitting projections 28, 28, respectively, projecting outward as in the prior art.

If it is desired to increase the number of lamps to be used, after removing the V-shaped reflector 25 from the reflector 20, while purging the tips of both engagement pieces 27, 27 of the arc reflector 50 sold separately,
The fitting projections 28, 2 formed on the fitting pieces 27, 27
8 are formed in the projection 22 of the reflection plate.
, The height H1 of the arc-shaped reflection plate is considerably lower than the height H2 of the V-shaped reflection plate 25, so that a knockout 45 for additional lighting provided on the reflection end plate 30 appears.

On the back side of the knockout 45 for additional lighting, a lamp socket 35 is attached to the fixture body 10 in advance by a method not shown.

When the knockout 45 for additional lighting is punched out, a lamp insertion hole 31 through which the lamp 34 similar to the prior art can be inserted appears. Therefore, by attaching the lamp 34 to the lamp sockets 35, 35 provided at the center, it is possible to increase the number of lamps by one in the middle and easily use it as a three-light lighting device without removing the two-light lighting device. Can be

When it is desired to use accessories such as the louver 55, as shown in FIG. 5 and FIG.
The louver 55 can be attached to the lighting equipment by replacing the V-shaped reflector 25 with the arc-shaped reflector 50 because a space is formed below the luminaire.

Next, the above embodiment will be described.

Instead of the V-shaped reflector 25, an arc-shaped reflector 50 is attached to the reflector protruding portion 22 formed on the reflector 20.

Since the height of the arc-shaped reflecting plate 50 is low, V
When the arc-shaped reflector 50 is attached to the reflector 20 instead of the reflector 25, the knockout 45 for additional lighting hidden by the V-shaped reflector 25 appears on the reflector 30. It should be noted that a lamp socket 35 is mounted in advance on the back side of the additional light knockout 45.

Therefore, for example, when it is desired to increase the number of lighting fixtures for two lamps to the lighting fixture for three lamps, the knockout 45 for additional lighting provided on the reflection end plate 30 is punched out. Since the lamp insertion hole 31 appears, the number of lights can be easily increased.

Since the arc-shaped reflector 50 hardly protrudes downward, a space is formed below the arc-shaped reflector.
Therefore, accessories such as louvers under the reflector,
Can be easily installed.

As described above, only by replacing the V-shaped reflector with the arc-shaped reflector, the specification of the open bottom type for two lamps is changed to three.
Lighting equipment for lamps, lighting equipment with accessories for two lights and 3
It can be used as a lighting fixture with lighting accessories, and can be used as a lighting fixture according to the purpose of the office function.

[0038]

As described in detail above, according to the present invention, V
An arc-shaped reflector is attached to the reflector in place of the arc-shaped reflector, and a lamp can be added below the arc-shaped reflector. Further, since the arc-shaped reflector hardly protrudes downward, the arc-shaped reflector is Accessories such as louvers can be attached to the space below the reflector.

According to the above configuration, only by replacing the V-shaped reflector with an arc-shaped reflector, the three-light illuminator, the two-light accessory illuminator, and the three-lamp illuminator can be changed from the specification of the two-lamp illuminator to the open bottom type. It can be a lighting fixture with accessories for lighting and can be used for lighting fixtures according to the purpose of the office function.

[Brief description of the drawings]

FIG. 1 is a side sectional view showing a state in which an arcuate reflector is attached to a recessed lighting device according to a first embodiment of the present invention.

FIG. 2 is a side sectional view showing a state where a lamp is attached along a lower part of the arc-shaped reflector in the embodiment.

FIG. 3 is a perspective view showing a state in which the arc-shaped reflector is attached to the reflector in the embodiment.

FIG. 4 is a side cross-sectional view showing a state in which an arc-shaped reflector is attached to the reflector in the embodiment.

FIG. 5 is a side sectional view showing a state in which an arc-shaped reflector is attached to the reflector in the embodiment and a louver is attached below the reflector;

FIG. 6 is a side cross-sectional view showing a state in which an arc-shaped reflector is attached to the reflector in the embodiment, lamps are increased, and a louver is attached below.

FIG. 7 is a side sectional view showing a recessed lighting device according to the related art.

FIG. 8 is a perspective view showing a state in which a V-shaped reflector is attached to the reflector of the recessed lighting device according to the related art.

FIG. 9 is a side sectional view showing a state in which a V-shaped reflector is attached to the above reflector.

[Explanation of symbols]

 Reference numeral 20: reflector, 25: V-shaped reflector, 34: lamp, 50: arc-shaped reflector, 55: louver.

Claims (1)

[Claims] 1. A lighting apparatus having a plurality of lamps arranged in parallel along a reflector and having a V-shaped reflector disposed between said lamps and mounted on said reflector, wherein said V-shaped reflector is used instead of said V-shaped reflector. A lighting fixture characterized in that an arc-shaped reflector is attached to the reflector, and a lamp can be added below the arc-shaped reflector.