JPH113610A - Luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a thin luminaire, which can prevent the lowering of illuminance at the central part thereof, by providing an apparatus fitting part provided at the central part of an apparatus main body, a lighting circuit unit arranged near the apparatus fitting part, reflecting plates arranged on both sides of the central part of the apparatus main body, and a narrow fluorescent lamp arranged optically opposite to the reflecting plates and arranged at a position higher in comparison with a surface of the apparatus main body as it comes close to the central part. SOLUTION: A fitting means 7 is arranged at the central part of an apparatus main body 1 so that the apparatus is easily fitted to a ceiling, and a lighting circuit unit and an infrared ray remote control unit are arranged in the front part and the rear part of the apparatus. A reflecting plate 4 made of a resin is arranged on both right and left sides of the apparatus, with a shape that expands light distribution from a fluorescent lamp 5. A straight fluorescent lamp 5 having a tube diameter 12-16.5 mm narrower than the ordinary lamp is arranged optically opposite to the reflecting plates 4. Two inside fluorescent lamps are arranged at positions higher than two outside fluorescent lamps in relation to an apparatus fitting surface 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus using a fluorescent lamp having a relatively small tube diameter.

[0002]

2. Description of the Related Art A lighting apparatus of this type has been disclosed in, for example, Japanese Utility Model Laid-Open No. 61-93922 (conventional example). In a conventional example, a mounting yoke is detachably attached to both ends of a long tool main body at right angles to the tool main body, a lamp socket is mounted on the mounting yoke, and a straight fluorescent lamp is inserted between the lamp sockets. I am wearing it. Also,
This fluorescent lamp has a tube diameter of about 28 if it is a 20 W type.
It is considered that a conventional fluorescent lamp having a size of about 38 mm is used.

[0003]

Therefore, in the above-mentioned lighting equipment using the conventional fluorescent lamp, when the thickness of the lighting equipment is reduced, the lighting equipment is easily influenced by the tube diameter of the fluorescent lamp.

However, when the tube diameter of the fluorescent lamp is simply reduced, the brightness of the fluorescent lamp is improved accordingly, and the illuminance immediately below the fluorescent lamp is improved, but the luminous flux irradiated toward the center of the fixture body is reduced. Therefore, there is a problem that the central portion is easily darkened.

In the lighting equipment using the above-described fluorescent lamp, it is considered to control the light radiated from the fluorescent lamp using a grid-like louver or a reflector, but the cost is increased accordingly. In addition, there is a problem that the illuminance at the center or the periphery of the lighting fixture is reduced when the luminous flux is cut by a louver or the like.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lighting apparatus which can reduce the thickness of the lighting apparatus and can suppress a decrease in illuminance at the center of the lighting apparatus.

[0007]

According to the first aspect of the present invention,
An appliance main body; an appliance mounting portion provided substantially at the center of the appliance main body and detachably attached to the mounting means; a lighting circuit unit disposed near the appliance mounting portion; A reflector disposed in the portion; a pipe diameter of about 12 m, which is disposed so as to be optically opposed to the reflector and to have a higher height with respect to the appliance body surface as the position is closer to the center;
m to 16.5 mm fluorescent lamp.

The invention according to a second aspect of the present invention provides an apparatus main body; an apparatus mounting section provided at a substantially central portion of the apparatus main body and removably mounted to mounting means; and disposed at one end of the apparatus mounting section. A lighting circuit unit; a remote control unit disposed on the other end side of the fixture mounting portion; a reflector disposed on both sides with respect to a center portion of the fixture body; Tube diameter of about 12 mm to 1 which is arranged so that the height is higher with respect to the appliance body surface as it is closer to the part.
And a 6.5 mm fluorescent lamp.

According to a third aspect of the present invention, there is provided an appliance body; an appliance attachment portion provided at a substantially central portion of the appliance body and detachably attached to an attachment means; a lighting circuit unit arranged near the appliance attachment portion. And a reflector disposed on both sides with respect to the center of the instrument body; and optically opposed to the reflector,
A pipe diameter of about 12 mm to 16.5 m arranged so that the height is higher with respect to the instrument body as the position is closer to the center.
m fluorescent lamps; and a diffusible shade mounted on the appliance body so as to cover the fluorescent lamps.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lighting device according to an embodiment of the present invention.

FIG. 1 is a front view of a lighting apparatus showing an embodiment of the present invention, FIG. 2 is a sectional view taken along line AA of FIG.
FIG. 3 is a sectional view taken along the line BB of FIG.

In the figure, a lighting fixture comprises a fixture main body 1 and
An appliance mounting portion 2 provided at a substantially central portion 1b of the appliance main body 1 and detachably attached to the mounting means; a lighting circuit unit 3 disposed near the appliance mounting portion; And a reflector plate 4 disposed in the section, and optically opposed to the reflector plate, and having a tube diameter of about 1 arranged so that the closer to the center, the higher the height with respect to the appliance body surface 1a.
It is composed of a fluorescent lamp 5 of 2 mm to 16.5 mm, and a diffused shade 6 mounted on the instrument body so as to cover the fluorescent lamp.

[0013] The appliance body 1 has a substantially rectangular outer shape.
The long side and the short side are formed at about 580 mm and 430 mm, for example, by aluminum or the like.

The reflecting plate 4 is optically designed so that the light from the fluorescent lamps 5 disposed optically opposite to each other has a relatively wide light distribution, and its reflecting surface is formed of resin. ing. In the present embodiment, since the apparatus is a four-lamp fluorescent lamp, the reflecting surface is provided on the side of the central part 1b of the main body 1 of the apparatus.
A total of four surfaces are formed for each surface. In addition, for example, an adapter 7 as attachment means 7 is provided in the central portion 1b of the instrument body 1 so that the instrument can be easily attached.

Further, the height of the fluorescent lamp 5 with respect to the appliance body surface 1a becomes higher as it is located near the central portion, but does not become higher than the height of the appliance body 1 central portion 1a. Therefore, the fluorescent lamp 5 does not come close to the shade 6.
Is diffused appropriately, so that a so-called lamp image is less likely to be reflected on the shade 6, and the appearance is improved.

In the central part 1a of the instrument body 1,
On the opposite side of the lighting circuit unit 3, a remote control storage unit serving as a lighting control device is formed. In the remote control storage unit, a remote control unit 8 and a light receiving unit (not shown) for operating the remote control unit 8 by, for example, an infrared remote control (not shown) Is not stored.
Is located opposite to a light receiving window (not shown). Further, since the fluorescent lamp 5 is located above the light receiving window of the instrument body 1, the light of the fluorescent lamp 5 is directly radiated to the light receiving portion through the light receiving window even if the control is performed by using infrared rays or the like or not shown. Since it is not performed, malfunctions and the like can be prevented.

[0017]

According to the first and second aspects of the present invention, since a fluorescent lamp having a tube diameter of about 12 mm to 16.5 mm is used, the apparatus can be made thinner, and this lamp is optically mounted on a reflector. It is arranged so that the height is higher with respect to the fixture body surface as it is located closer to the center of the lighting fixture. Is suppressed, and the central portion is hardly darkened.

A problem arises. In addition, in addition to the above-described effects, the lamp does not become higher than the height of the central part of the fixture main body, so that the fluorescent lamp does not come close to the shade. Light is diffused appropriately, so that a so-called lamp image is less likely to be reflected on the shade.

[Brief description of the drawings]

FIG. 1 is a front view of a lighting device according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG. 1;

FIG. 3 is a sectional view taken along line BB of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Instrument main body 2 ... Instrument mounting part 3 ... Lighting circuit unit 4 ... Reflector 5 ... Fluorescent lamp

Claims (3)

[Claims] 1. An appliance main body; an appliance mounting portion provided at a substantially central portion of the appliance main body and detachably attached to a mounting means; a lighting circuit unit disposed near the appliance mounting portion; Reflectors disposed on both sides of the device; a tube diameter optically opposed to the reflectors and arranged so that the closer to the center, the higher the height with respect to the instrument body surface About 12 mm to 16.5 mm fluorescent lamp;
A lighting fixture comprising: 2. An appliance main body; an appliance mounting portion provided at a substantially central portion of the appliance main body and detachably attached to a mounting means; a lighting circuit unit disposed on one end side of the appliance mounting portion; A remote control unit disposed on the other end side of the mounting portion; a reflection plate disposed on both sides with respect to a center portion of the appliance main body; A fluorescent lamp having a tube diameter of about 12 mm to 16.5 mm, which is disposed so as to be higher with respect to the surface of the apparatus body. 3. An appliance main body; an appliance mounting portion provided substantially at the center of the appliance main body and detachably attached to the mounting means; a lighting circuit unit disposed near the appliance mounting portion; Reflectors disposed on both sides of the part; a tube diameter optically opposed to the reflector, and arranged such that the closer to the center, the higher the height relative to the instrument body; A lighting fixture, comprising: a fluorescent lamp of 12 mm to 16.5 mm; and a diffusible shade mounted on the fixture main body so as to cover the fluorescent lamp.