JPH087632A - Hanging light fixture - Google Patents

Abstract

(57) [Summary] [Purpose] To prevent the inclination of the device without increasing the height of the device body 8 or using an expensive resin insulating plate. A reverse dish-shaped instrument body 8 having an inverter lighting circuit 9 built-in, and a dish-shaped reflector 10 arranged on the lower surface side of the instrument body 8 to close the opening of the instrument body 8.
A hanging type illumination in which a lamp support spring 11 is disposed on one side of the fixture body 8 and a socket holder type lamp holder 12 that is heavier than the lamp support spring 11 is disposed on the other side to support the annular fluorescent lamps 2a and 2b. In the fixture, the balancer 2 is provided on the inner wall surface of the reflection shade 10 on the lamp support spring 11 side.
Install 0 to prevent the light fixture from tilting.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hanging type lighting apparatus, and more particularly to an inverter lighting type hanging lighting apparatus equipped with a lamp holder integrated with a socket for supplying power to a ring-shaped fluorescent lamp and supporting the lamp. Regarding

[0002]

2. Description of the Related Art As shown in FIG. 4, for example, a socket holder of this type has a socket portion 4 for connecting an electrode terminal 3 of a ring-shaped fluorescent lamp 2 (2a, 2b) to a resin casing 1. A holder portion 5 for supporting the mounted fluorescent lamps 2 (2a, 2b), a wiring portion 6 for connecting a power source to the socket portion 4, a power source connecting terminal portion 7 and the like are arranged. While supplying power to the lamps 2 (2a, 2b), the holder portion 5 is used for the ring fluorescent lamp 2 (2a, 2b).
It is configured to support the bulb wall surface of the electrode terminal 3 portion of b).

The socket-integrated lamp holder having such a power supply function has the wiring portion 6 embedded in the housing 1, and when assembled in a lighting fixture, the wiring of the socket is exposed on the lower surface side of the lighting fixture. In addition, since the appearance is excellent and the socket is fixed to the housing 1, the mountability of the lamp is improved.

Also, the ring-shaped fluorescent lamp 2 (2a, 2b) can be supported at two points between the bulb wall surfaces in the diametrical direction by means of an integral lamp holder and a normal lamp support spring.
Compared to conventional lighting fixtures that use three lamp support springs and a dedicated lamp socket to support the bulb wall surfaces at three points, the fixture appearance and lamp mountability are superior.
It is widely used as a catch-type hanging light fixture, and various structures have been developed.

However, the socket-integrated lamp holder having the above-mentioned power supply function has a heavier weight than an ordinary lamp supporting spring, and there is a problem that the suspended lighting fixture is inclined toward the socket-integrated lamp holder side. It was In particular, the inverter-lit hanging-type lighting fixture occupies a small weight in the lighting device body of the inverter lighting circuit, and is easier to tilt than the ballast-type hanging-type lighting fixture.

For this reason, in an inverter-lit hanging type lighting fixture using a socket holder-integrated lamp holder, a balancer is mounted in the fixture body containing the inverter lighting circuit to prevent the lighting fixture from tilting. .

FIG. 5 shows an example of a hanging type lighting fixture equipped with such a tilt preventing balancer.
FIG. 1 is a front view showing a schematic configuration of an inverter lighting lamp type hanging type lighting fixture disclosed in Japanese Patent Publication No. JP-A-2003-242, and its outline will be described below.

That is, in the figure, reference numeral 8 denotes an iron plate instrument body formed in an inverted dish shape, and houses an inverter lighting circuit 9 in which circuit components are incorporated in a printed circuit board.
Reference numeral 10 is a dish-shaped reflector made of an iron plate that closes the opening of the appliance body 8, and 11 and 12 are integrated with a lamp support spring and a socket, which are arranged to face one side and the other side of the appliance body 8. In this holder, the lamp support spring 11 is screwed to the flange portion of the fixture body 8 and the reflecting shade 10 which are abutted against each other, and the holder 12 integrated with the socket is led out from the side wall of the reflecting shade 10. These lamp support springs 11 and socket-integrated lamp holders 12 are for two lamps, and the large-diameter and small-diameter annular fluorescent lamps 2 (2a, 2b) are respectively attached to the bulb wall surface of the electrode terminal 3 and the bulb wall surface on the opposite side. And are supported at two points in the diameter direction.

Further, 13 is a cord case disposed in the central portion of the upper surface side of the instrument body 8, 14 is a power cord pulled out from the upper end of the cord case 13, and 15 is attached to the lamp support spring 11 side of the instrument body 8. This is a balancer for tilt prevention. Further, 16 and 17 are miniature balls and drawstrings exposed from the lower surface of the reflective shade 10.

Although not shown, such a hanging type lighting fixture is
By hooking the hooking socket provided at the tip of the power cord 14 on the hooking ceiling provided on the ceiling surface, the cord is suspended on the ceiling surface. At the time of this suspension, the balancer 15 is provided near the lamp support spring 11 of the fixture body 8, so that the weight difference between the lamp support spring 11 and the lamp holder 12 of the socket integrated type is corrected, and the lighting fixture tilts. Instead, it is hung on the ceiling.

[0011]

By the way, in the above-mentioned inverter lighting type hanging luminaire using such a holder of the socket integrated type, the holder 12 of the socket integrated type is mounted on the housing 1 made of resin for the fluorescent lamp. Socket part 4 for connecting electrodes, holder part 5 for lamp support, wiring part 6 for power supply connection
In addition, since the weight of the power supply connection terminal portion 7 and the like is extremely large as compared with the lamp support spring 11, the tilt preventing balancer 15 needs a heavy weight and a large outer shape.

Therefore, as the actual balancer 15, there is used a wide plate member obtained by punching a zinc-plated steel plate having a thickness of, for example, about 2 mm into a predetermined shape. As shown in FIG. 6, it is mounted on the inner wall of the top surface of the instrument body 8 near the lamp support spring 11 and the spacer 1
The printed circuit board 9a of the inverter lighting circuit 9 is laminated via 8 or, as shown in FIG. 7, a wide balancer 15a is covered with a resin insulating plate 19 and attached to the instrument main body 8 to form an insulating substrate. A structure is adopted in which a printed circuit board 9a of the inverter lighting circuit 9 is supported by a supporting portion 19a formed integrally with 19.

That is, the inverter lighting circuit 9 is constructed by incorporating circuit parts (not shown) in the printed circuit board 9a. It is impossible to move the lighting circuit 9 from the central part of the instrument body 8 to the peripheral part unnecessarily.
Also, the inverter lighting circuit 9 has a high-voltage generating section or a high-voltage charging section, and it is necessary to dispose the high-voltage generating section or the high-voltage charging section at a predetermined distance or more from the balancer 15a for insulation. It cannot be installed in parallel with the inverter lighting circuit 9 because of space limitations.

However, as described above, the balancer 15a
In order to secure the insulation of the inverter lighting circuit 9, the balancer mounting structure for arranging the inverter lighting circuit 9 in a laminated manner requires that the distance between the inverter lighting circuit 9 and the balancer 15a be at least a predetermined distance. The height H of 8 was high. Also, to ensure insulation,
A large-sized resin insulating plate 19 is required, which is expensive.

When the mounting position of the balancer 15a is changed due to a design change or the like, it is necessary to consider the positional relationship with the inverter lighting circuit 9 in the instrument body 8 and the insulating property.
It was difficult to change the design.

Therefore, the present invention has been made in view of various problems in mounting a balancer in an inverter lighting type hanging luminaire using such a socket-integrated lamp holder, and height H of the luminaire body is increased. It is another object of the present invention to provide a balancer mounting structure in which inclination can be easily prevented without using a spacer having long legs or a large-sized resin insulating plate.

[0017]

Therefore, according to the present invention, a balancer for preventing inclination is attached to a reflector provided on the lower surface side of the instrument body. It is composed. That is, the hanging type lighting fixture of the present invention comprises an inverted dish-shaped fixture body having an inverter lighting circuit built-in, and a dish-shaped reflector shade disposed on the lower surface side of the fixture body to close the opening of the fixture body. A hanging type lighting fixture, comprising: a lamp support spring on one side of the main body of the fixture, and a socket holder-type lamp holder, which is heavier than the lamp support spring, disposed on the other side of the fixture body to support a ring-shaped fluorescent lamp. ,
A balancer is attached to the inner wall surface of the reflection shade on the side where the lamp support spring is arranged to prevent the lighting fixture from tilting. Further, the balancer is characterized in that it is arranged on the inner wall surface of the bottom surface of the reflection shade on the side where the lamp support spring is arranged.

[0018]

[Function] In the dish-shaped reflective shade, a drawstring and a miniature ball are inserted near the central part, but there is no obstacle in the peripheral part where the balancer is mounted. Further, the reflection shade is formed in a dish shape, and the bottom surface thereof has a sufficient insulation distance from the inverter lighting circuit built in the main body of the apparatus, and there is no restriction on mounting the balancer. Also, no processing for mounting the balancer is performed on the instrument body side, and there is no problem with the insulation distance of the inverter lighting circuit due to the balancer attachment, and the height H of the instrument body is formed to be high or the leg part There is no need to use long spacers or large resin insulation plates.

[0019]

Embodiments of the present invention will now be described in detail with reference to the drawings.

FIG. 1 shows a luminaire for a ring-shaped fluorescent lamp using a lamp holder integrated with a socket according to the present invention.
It is a front view of an inverter lighting type hanging type lighting fixture which attached the balancer for inclination prevention to the inner wall surface of a reflective shade.

The difference between this lighting fixture and the lighting fixture shown in FIG. 5 is that the balancer 1 mounted in the fixture body 8 is particularly different.
5 is eliminated, and a heavy plate-shaped wide plate balancer 20 having a large outer shape is attached to the dish-shaped reflector 10 arranged on the lower surface side of the instrument body 8. Other structures are similar to those of the lighting fixture of FIG. Therefore, the same components are included in FIG.
The same reference numerals as those of the above are given, and the detailed description thereof is omitted.

FIG. 2 shows a specific example of the structure of the wide plate balancer 20.

The balancer 20 is a wide one made of a zinc-plated steel plate having a thickness of about 2 mm, which is punched in a crescent shape according to the shape of the edge of the reflection shade 10 and has two screw holes 21 at its central portion. It is provided and configured.

On the other hand, as shown in FIG. 3, the dish-shaped reflector 10 has a mounting hole 22 corresponding to the screw hole 21 on the inner wall surface of the bottom surface of the instrument main body 8 on the lamp support spring 11 side.
Is provided and the balancer 20 is fixed by screws 23. The balancer 20 is set to a weight range such that the inclination of the fixture body 8 is not visually recognized when the lighting fixture is suspended.

The inverter-lit hanging type lighting fixture thus constructed does not have a tilter-preventing balancer 15 or the like on the fixture body 8 as in the conventional case.
Does not cause any problems such as the insulation distance from the inverter lighting circuit 9 due to the mounting of the device inside the instrument body 8. Therefore, the height H of the instrument body 8 is made high, the spacer 18 having long legs is used for mounting the inverter lighting circuit 9, and the large resin insulating plate 1 for mounting the balancer 15a is used.
It is not necessary to use 9 or the like. Further, the reflection shade 10 has no obstacles other than the vicinity of the central portion, and the mounting position of the balancer 20 can be changed very easily.

In the present invention, the balancer 20 is attached to the reflecting shade 10 with screws 23 in the above embodiment.
A fixing means such as welding or caulking can be adopted. Further, the shape of the balancer can be various shapes according to the shape of the reflective shade.

[0027]

As described in detail above, according to the present invention,
Since the balancer is arranged on the inner wall surface of the reflection shade to prevent the tilt of the lighting fixture, problems such as the insulation of the inverter lighting circuit are solved, and the height H of the fixture main body is made high or expensive. It is possible to extremely easily and inexpensively prevent the inclination of the inverter lighting type hanging luminaire without using such a resin insulating plate.

[Brief description of drawings]

FIG. 1 is a front view of an inverter lighting type hanging type lighting fixture of the present invention.

FIG. 2 is a top view of the balancer for preventing tilt of FIG.

FIG. 3 is an enlarged sectional view of an essential part showing a mounted state of the balancer of FIG.

FIG. 4 is a schematic configuration diagram of a lamp holder integrated with a socket.

FIG. 5 is a front view of a conventional inverter-lit hanging lighting fixture.

6 is an enlarged sectional view of an essential part showing an example of a mounted state of a balancer of the lighting equipment of FIG.

7 is an enlarged sectional view of an essential part showing another example of the mounting state of the balancer of the lighting fixture of FIG.

[Explanation of symbols]

 2a Ring fluorescent lamp 2b Ring fluorescent lamp 8 Instrument body 9 Inverter lighting circuit 10 Reflector shade 11 Lamp support spring 12 Socket holder type lamp holder 20 Balancer

Claims (2)

[Claims] 1. An instrument main body comprising an inverted dish-shaped instrument body having an inverter lighting circuit built-in, and a dish-shaped reflector shade disposed on a lower surface side of the instrument body to close an opening of the instrument body. A lamp support spring on one side and a socket holder type lamp holder that is heavier than the lamp support spring on the other side,
In a hanging type lighting fixture that supports a ring-shaped fluorescent lamp, a balancer is attached to the inner wall surface of the reflection shade on the lamp support spring arrangement side to prevent the lighting fixture from tilting. Hanging type lighting equipment. 2. The hanging type lighting fixture according to claim 1, wherein the balancer is arranged on the inner wall surface of the bottom surface of the reflecting shade on the side where the lamp supporting spring is arranged.