JPH0724738Y2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a lighting fixture, and more particularly to a lighting fixture for lighting a fluorescent lamp by a high frequency lighting device.

[Conventional technology]

Among conventional lighting fixtures using a high-frequency lighting device, as shown in FIG. 5, in a direct-mounting lighting fixture, as shown in FIG. The lighting parts such as the socket 3 are arranged, and the lighting parts are also connected to form a lighting circuit by the lead wire 20 between the lighting parts on the lower surface of the lighting fixture body 1 to light a plurality of straight tube fluorescent lamps. It is known to do so.

Further, in a lighting fixture using a high-frequency lighting device, if a high-frequency lighting device for one fluorescent light is used for each fluorescent lamp, as in the case of a lighting fixture using a ballast for each fluorescent lamp, which is conventionally known, The structure is similar to that of the direct-mounting luminaire shown in FIG. That is, a plurality of lamp sockets 3 are arranged on the lower surface of the lighting fixture body 1 in the shape of a thin rectangular tray having a rising portion 11 on the upper surface side at the periphery, and the single-ended fluorescent lamps 6 are arranged in parallel with each other on the lamp sockets 3. The high-frequency lighting device 2'for one lamp is installed between the single-base fluorescent lamps 3 and the lighting parts such as the terminal block 10 for connecting the power wire 9 and the lead wire 20 for wiring in the fixture are arranged. These lighting components are connected by a lead wire 20 so as to form a lighting circuit to light a plurality of single-base fluorescent lamps.

[Problems to be solved by the device]

However, in the conventional example as shown in FIG. 5, since the straight tube fluorescent lamp is used, the high frequency lighting device 2 is included in the lead wire 20.
There is a point where the output wire from the power supply and the power supply input wire cross each other or are adjacent and parallel to each other.There is a possibility that the high frequency of the output wire may cause noise interference in the power supply line and damage other electrical equipment. Therefore, it is necessary to take various noise countermeasures such as a wiring layout method, which causes complication of wiring, impairs assembly workability, and impairs appearance.

In addition, in the luminaire as shown in FIG. 6, since the high frequency lighting device 2'for one lamp is used, the wiring arrangement becomes complicated and unsightly, and the high frequency lighting device 2'does not work.
There is a place where the lead wire 20 as a power input electric wire to the high frequency lighting device 2'and the lead wire 20 as an output electric wire from the high frequency lighting device 2'adjacent to each other and become parallel to each other when they are attached. The high frequency may cause noise disturbance in the power supply line and damage other electric equipment.Therefore, it is necessary to take various noise countermeasures such as wiring arrangement methods, which further complicates wiring and assembles. There is a problem such as impairing the property and the appearance.

The present invention has been made in view of the background described above, and an object of the present invention is to provide a lighting fixture capable of reducing noise and improving assemblability and aesthetics.

[Means for Solving the Problems]

The lighting fixture according to the present invention is a lighting fixture in which lighting components such as a high-frequency lighting device and a lamp socket are arranged on the lower surface of the lighting fixture main body, and the lighting components are connected to each other to form a lighting circuit. A lamp socket is arranged from the one side, a plurality of single-ended fluorescent lamps are installed in parallel with each other, and a high-frequency lighting device is provided between the single-ended fluorescent lamps.
The input side of the high-frequency lighting device is arranged closer to the tip of the single-base fluorescent lamp, and the output side is arranged closer to the lamp socket.

Further, three or more single-ended fluorescent lamps are provided, and at least one of the high-frequency lighting devices is used as a high-frequency lighting device for two lights, and the high-frequency lighting device for one lamp is provided between the single-ended fluorescent lights. A switch for controlling the opening and closing of the power supply to the high frequency lighting device can be arranged closer to the tip side of the single-ended fluorescent lamp than to the input side of the high frequency lighting device.

[Operation] According to the present invention, the input side of the high-frequency lighting device is located closer to the center of the luminaire body and the output side of the high-frequency lighting device is located near the lamp socket, so that the length of the power supply wire and each connecting tool can be shortened. Therefore, the power supply wire and connector for power input of the high frequency lighting device and the connector for output do not come close to each other.

Further, since the switch is separated from the base of the single-ended fluorescent lamp, heat is unlikely to affect the switch contacts, and the high-frequency lighting device for 2 lights, the high-frequency lighting device for 1 light, and the switch have substantially the same length, and the lighting fixture main body It is difficult to make a difference in the light reflection state to the cover that covers the lower surface of the.

〔Example〕

1 to 3 show an embodiment of the present invention, which will be described below with reference to the drawings.

This luminaire is a direct-mounted luminaire using three single-ended fluorescent lamps as light sources.

The luminaire main body 1 mounted on a mounting surface such as a ceiling is in the shape of a thin basin having a rising portion 11 at the peripheral portion with a gap between the mounting surface and the upper surface, and a high frequency lighting device 2 for two lights on the lower surface. And high frequency lighting device 2'for one lamp and lamp socket 3
Lighting components such as the above are disposed, and the lower surface is covered with a cover (not shown). The lighting fixture body 1 has a circular power supply hole 12 which is hung on the central portion and through which the sealing cap 4 is inserted.
And four mounting screw holes 13 in which a circular hole and a circular arc hole are continuously provided at equal intervals around the periphery of the power source hole 12, and the mounting is screwed into the ear of an embedded rosette with an ear. By inserting the head of the screw 5 through the circular hole of the mounting screw hole 13 and rotating the luminaire main body 1 and then tightening the mounting screw 5 and pushing the luminaire main body 1 to the mounting surface, electrical work inside the house is unnecessary. The so-called simple installation can be done. Further, three lamp sockets 3 are arranged from one side of the luminaire main body 1, and a support spring 7 for holding the tip portion of the single-base fluorescent lamp 6 attached to the lamp socket 3 is arranged from the other side. It is installed.

The high-frequency lighting device 2 for two lamps and the high-frequency lighting device 2'for one lamp are installed in different spaces between the two single-ended fluorescent lamps 6, and their output terminals are respectively provided on the lamp socket 3 side. And has power input portions 21 and 21 'toward the front end side of the single-base fluorescent lamp 6. Lighting components such as the high frequency lighting devices 2 and 2 ′ and the lamp socket 3 are connected to the lower surface of the lighting fixture body 1 by a connecting tool 8 such as a lead wire.
The power supply wires 9 which are arranged and connected to each other so as to form a lighting circuit by 8'and which are led out from the hook ceiling cap 4 are connected to the power input section 21 'of the high frequency lighting device 2'for one lamp. The connection tool 8'is connected to the power source input section 21 'of the high frequency lighting device 2'for one lamp and the power source input section 21 of the high frequency lighting device 2 for two lights to be connected to the high frequency lighting device for two lights. The connector 8 functions as a feed wire for supplying power to the power source 2, and connects the output side of the high-frequency lighting device 2, 2 ′ and the lamp socket 3.

With this lighting device, by adopting the above-mentioned configuration, the power supply input part of the high frequency lighting device 2, 2'is provided near the hook ceiling cap 4 arranged in the central part of the lighting device main body 1.
21 and 21 'are located, and the output side of the high frequency lighting device 2, 2'is located near the lamp socket 3, and the length of the power supply wire 9 and each connecting tool 8, 8'can be shortened. The power supply wire 9 for connecting to the power supply 2'and the connecting tool 8'and the connecting tool 8 for output do not come close to each other, and noise countermeasures can be taken without any special consideration on the wiring layout. It can be easily rotated, and the aesthetic appearance of the lower surface of the luminaire main body is improved when the cover of the luminaire is removed by replacing the single-ended fluorescent lamp 6 or the like.

FIG. 4 shows another embodiment of the present invention. In this embodiment, the power supply wire 9 led out from the hook ceiling cap 4 is further connected to the power input part of the high frequency lighting device 2'for one lamp. It is connected to a switch 10 arranged on the tip side of the single-ended fluorescent lamp 6. The switch 10 has a terminal block function, and a connection tool 8'is provided between each switch 10 and each high-frequency lighting device 2, 2 '.
Connected by.

Also in this lighting fixture, in addition to the same effect as the previous embodiment, the switch 10 is separated from the base of the single base fluorescent lamp 6 and the adverse effect of heat on the switch contact can be reduced, and the high frequency lighting device 2 for two lights. Since the high-frequency lighting device for a single lamp 2'and the switch 10 have substantially the same length, it is difficult to make a difference in the reflection state of light to the cover that covers the lower surface of the luminaire main body 1 and uneven brightness.

[Effect of device]

Since the present invention is configured as described above, it has the following effects.

In the luminaire according to claim 1, it is possible to take measures against noise without special consideration for wiring layout, the wiring is simplified and the assemblability is improved, and the luminaire is illuminated when the cover of the luminaire is removed. The appearance of the lower surface of the device body is improved.

In the luminaire according to the second aspect, the adverse effect of heat on the switch contacts can be reduced, and uneven brightness is less likely to appear on the cover that covers the lower surface of the luminaire main body.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention without a cover, FIG. 1 is a bottom view, FIG. 2 is a front view, and FIG. 3 is a side view. FIG. 4 is a bottom view of the other embodiment of the present invention with the cover removed. FIG. 5 and FIG. 6 are bottom views showing a conventional example different from the present invention, except for a cover. 1 …… Lighting device main body, 11 …… Rising part, 12 …… Power supply hole, 13 …… Mounting screw hole, 2,2 ′ …… High frequency lighting device, 2
1, 21 '... Power supply input section, 3 ... Lamp socket, 4 ...
… Hooked ceiling cap, 5… Mounting screw, 6…
・ ・ ・ Single-ended fluorescent lamp, 7 ・ ・ ・ Support spring, 8,8 '・ ・ ・ Connector, 9 ・ ・ ・ Power supply wire, 10 ・ ・ ・ Switch.

Claims (2)

[Scope of utility model registration request] 1. A lighting fixture in which lighting components such as a high-frequency lighting device and a lamp socket are arranged on a lower surface of a lighting fixture body, and the lighting components are connected to each other so as to form a lighting circuit.
A lamp socket is provided from one side of the luminaire main body, and a plurality of single-ended fluorescent lamps are installed substantially parallel to each other. A high-frequency lighting device is provided between the single-ended fluorescent lamps. A luminaire characterized in that the input side is arranged from the tip of a single-base fluorescent lamp and the output side is arranged from the lamp socket. 2. One or more single-ended fluorescent lamps equipped with three or more single-ended fluorescent lamps and at least one high-frequency lighting device serving as a high-frequency lighting apparatus for two lamps. The luminaire according to claim 1, wherein a switch for controlling opening and closing of a power supply to the high frequency lighting device is arranged between the input side of the high frequency lighting device and the tip of the single-ended fluorescent lamp.