JPH0935525A - Both direct and indirect lighting - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] To improve workability so that direct lighting and indirect lighting can be easily switched at low cost with a small number of parts. A translucent opening 1a is provided on one side to form a substantially trough shape, and a trough-shaped bottom portion 1b and side portions 1c are provided with mounting portions 1d to direct the translucent opening 1a in a plurality of directions. A direct and indirect lighting type lighting fixture comprising a fixture main body 1 attached to a mounting opening 6a provided in a ceiling 6, and an end portion of both side portions 1c of the fixture main body 1 on a side of a transparent opening 1a. Is provided with a ceiling support portion 1e formed in an outer brim shape and at least one of which is substantially in contact with the lower surface of the ceiling 6 in a plurality of mounting directions, and direct lighting and indirect lighting are changed by selecting the mounting direction of the fixture body 1. I was free.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a direct and indirect illumination type illuminator which is embedded and mounted in a ceiling.

[0002]

2. Description of the Related Art Generally, most of the lighting equipment is constructed as a dedicated lighting equipment for direct lighting and indirect lighting, but by changing a part of the lighting equipment, it can be used for direct lighting and indirect lighting. There are also known some direct lighting and indirect lighting dual-purpose luminaires that are designed to be combined.

FIG. 3 shows a conventional direct lighting and indirect lighting dual type lighting fixture (first conventional example) disclosed in Japanese Utility Model Laid-Open No. 60-60810 embedded in a ceiling. The lighting fixture is mainly configured to have a fixture body 1, a main reflector 2, a sub-reflector 3, and an axial screw 4.

The main reflector 2 has a box-like shape with an open lower surface, a lamp 5 is disposed inside the main reflector 2, and a sub-reflector 3 having a dish-shaped cross section is detachably attached by an axial screw 4. The instrument body 1 is arranged above the main reflector 2. When the sub-reflecting plate 3 is located above the lamp 5, the upper end which is the tip of the axial screw 4 is inserted through the main reflecting plate 2 and attached to the instrument body 1 having a substantially U-shaped cross section. When the sub-reflecting plate 3 is located below the lamp 5, the upper end which is the tip of the same axial-length screw 4 is attached to the main reflecting plate 2 to support the sub-reflecting plate 3. The lower end of the lamp 4 is positioned below the height of the instrument body 1, and the sub-reflecting plate 3 can change the position of the axial screw 4 to change the position above or below the lamp 5. Is configured to be.

In the direct lighting and indirect lighting combined type lighting apparatus thus constructed, the lower end of the main reflection plate 2 comes into contact with the peripheral edge of the mounting opening 6a provided in the ceiling 6 from the lower end side. In the state where the sub-reflector 3 is mounted on the upper side of the lamp 5, the lamp 4 is used as a direct lighting device that is exposed to the lower surface side and directly illuminates the lower side. When the lamp 5 is arranged below the lamp 5, the lamp 5 is hidden from below by the dish-shaped sub-reflecting plate 3 so that the indirect light reflected by the main reflecting plate 2 reaches below. Used as an indirect lighting fixture.

FIG. 4 shows another conventional direct lighting and indirect lighting combined type lighting fixture (second conventional example) which is embedded in the ceiling and is disclosed in Japanese Utility Model Laid-Open No. 61-79417. The lighting fixture is mainly configured to have a fixture body 1, a translucent cover 7, and a pair of mounting members 8.

The instrument main body 1 has a substantially plate-like shape, and the front side on which a lamp (not shown) is arranged is covered with a substantially gutter-shaped light-transmitting cover 7, and the inner surface faces the wall surface. Both ends thereof are rotatably supported between a pair of attachment members 8 attached to 9, and the translucent cover 7 is held so as to face the front or rear wall surface 9 side. When the translucent cover 7 is attached to the front, the translucent cover 7
It is used as direct illumination that directly uses the light that has passed through, and when the translucent cover 7 is attached so as to face the rear wall surface 9 side, it is mainly used as indirect illumination that uses the light reflected by the wall surface 9. Has been made possible.

[0008]

However, in the case where the luminaire is a dedicated luminaire for direct lighting and indirect lighting, different types of lighting are used for direct lighting and indirect lighting in one building. There is a problem in that it becomes necessary to select a fixture and the lighting design work becomes complicated.

Therefore, the direct lighting and indirect lighting combined lighting equipment is used. In the direct lighting and indirect lighting combined lighting equipment shown in the first conventional example configured as described above, other than the equipment main body 1 In addition, the main reflector 2, the sub-reflector 3, and the axial screw 4 are required, so that the number of parts is increased and the cost of the fixture is increased, and the sub-reflector 3 is also used for switching the direct illumination and the indirect illumination. Since it is necessary to remove the main body 1 and attach it to the main reflector 2, the work is complicated and the workability is poor.

Further, in the direct lighting and indirect lighting dual type lighting fixtures shown in the second conventional example, the fixture body 1 has a wall surface 9.
When used as indirect lighting, there is a problem in that direct light that has passed through the translucent cover 8 leaks to the lower and upper parts of the device, and it is difficult to achieve the effect of indirect lighting sufficiently. It was

The present invention has been made in view of the above problems, and an object of the present invention is to reduce the number of parts and the cost, to easily perform the switching work between the direct lighting and the indirect lighting, and to improve the workability. An object of the present invention is to provide a good lighting device for both direct lighting and indirect lighting.

[0012]

In order to solve the above-mentioned problems, the present invention is provided with a light-transmitting opening 1a on one side and is formed into a generally gutter-like shape, and is formed on a gutter-shaped bottom portion 1b and side portions 1c. A luminaire for both direct and indirect illumination, which comprises a fixture body 1 provided with a mounting portion 1d and having the translucent opening 1a directed in a plurality of directions to be mounted in a mounting opening 6a provided in a ceiling 6. Then, a ceiling support portion 1e, which is formed in an outer collar shape and at least one of which is substantially in contact with the lower surface of the ceiling 6 in the plurality of mounting directions, is provided at an end portion on both sides of the light transmissive opening 1a of both side portions 1c of the appliance body 1. The direct lighting and the indirect lighting can be changed by providing the mounting direction of the device main body 1.

[0013]

1 and 2 show an embodiment of a direct lighting / indirect lighting type lighting apparatus according to the present invention. The direct lighting / indirect lighting type lighting apparatus is mainly composed of In addition, the instrument main body 1 and the reflection plate 2a are provided.

The instrument main body 1 is made of, for example, a sheet metal, has a substantially U-shaped cross section, has a transparent opening 1a on one side, and a lighting device (not shown) or the like inside the bottom 1b side. Is attached, and a substantially flat reflector plate 2 is provided on the side of the translucent opening 1a.
a is attached, and the lamp 5 is held in a socket (not shown) on the front side of the transparent opening 1a.
Is arranged and configured.

That is, the instrument main body 1 has a substantially U-shaped cross section, and the bottom portion 1b located at the center has a substantially 90 ° width in the same side direction.
The side portion 1c is formed by being bent, and the bottom portion 1b and the side portion 1c are provided with mounting portions 1d which are bolt insertion holes into which the hanging bolts 10 are inserted. . Further, a ceiling support portion 1e having a substantially outer brim is provided at an end portion of the side portion 1c on the side of the translucent opening 1a. The ceiling support portion 1e includes a collar piece 1f bent outward by approximately 90 ° from an end of the light-transmitting opening 1a of the side portion 1c, and a tip portion thereof further bent approximately 90 ° toward the bottom portion 1b so that the collar portion is formed. Piece 1
It is formed by a standing piece 1g standing upright on f.

The direct lighting and indirect lighting type lighting fixture thus constructed is mounted on the ceiling 6 as follows and used as direct lighting or indirect lighting.

When used as direct lighting, first of all,
The hanging bolt 10 is provided above the mounting opening 6a provided in the ceiling 6.
And the instrument body 1 is inserted into the mounting opening 6a with the bottom portion 1b facing upward. Next, the suspension bolt 10 is inserted into the mounting portion 1d of the bottom portion 1b and tightened with the nut 10a, and the tip of the upright piece 1g of the ceiling support portion 1e is brought into contact with the lower surface side of the peripheral edge of the mounting opening 6a, and the The light opening 1a is attached downward. Then, the reflection plate 2a is mounted inside thereof and the lamp 5 is mounted below the reflection plate 2a. Therefore, the lamp 5 can be visually recognized from the lower side of the fixture, and the lighting device and the like are hidden by the reflection plate 2a on the upper surface side thereof and cannot be seen from below.
Direct light from the lamp 5 passes through the translucent opening 1a and is emitted below the device.

When used as indirect lighting,
First, the mounting opening 6a is provided adjacent to the wall surface 9, and the hanging bolt 10 is disposed above the wall surface 9. Next, the instrument body 1 is inserted into the attachment opening 6a with the side portion 1c of the instrument body 1 facing upward and the light-transmissive opening 1a facing the wall surface 9 side, and the ceiling 6 is provided between the side portion 1b and the standing piece 1g. The end of the mounting opening 6a on the side opposite to the wall surface 9 is brought into contact with the collar piece 1f of the ceiling support 1e, and the mounting portion 1d of the side portion 1c is sandwiched.
The hanging bolt 10 is inserted into. Then, it is tightened with the nut 10a, and the lamp 5 is mounted therein. Therefore, the lamp 5 is not directly visible from the lower side of the fixture, the direct light from the lamp 5 passes through the translucent opening 1a, is reflected by the wall surface 9, and the indirect light is emitted below the fixture.

With such a configuration, in the direct lighting and indirect lighting type lighting apparatus according to the present embodiment, one type of apparatus can be used for both direct lighting and indirect lighting, and the lighting apparatus can be shared. In addition to being able to reduce the manufacturing cost of the lighting fixture, there is no need to select different types of lighting fixtures for direct lighting and indirect lighting, which simplifies the lighting design work and also makes it easier to design the sub-reflector 3 and The number of parts can be reduced without the need for the axial screw 4 and the like, so that the assemblability is improved and the cost of the device can be reduced. Also, the instrument body 1
Direct lighting and indirect lighting can be easily changed by simply selecting one of the mounting portions 1d provided on the bottom portion 1b and the side portion 1c and changing the mounting direction of the instrument body 1, thus improving workability.

In the above embodiment, the instrument body 1 is also opened in the longitudinal direction of the instrument body 1, which is the direction of both ends of the lamp 5, but the present invention is not limited to this.
It goes without saying that an end cover for closing the opening may be attached to the end portion.

[0021]

As described above, according to the present invention, one type of fixture can be used for both direct lighting and indirect lighting, the lighting fixture can be shared, and the manufacturing cost of the lighting fixture can be reduced. In addition, it is not necessary to select different types of lighting fixtures for direct lighting and indirect lighting, which simplifies lighting design work and reduces the number of parts without the need for a sub-reflector or axial screws. Assembleability is improved and the cost of the equipment can be reduced. Further, it is possible to easily change the direct illumination and the indirect illumination by selecting one of the attachment portions provided on the bottom and the side of the instrument body and changing the attachment direction of the instrument body, which improves the workability.

[Brief description of drawings]

FIG. 1 shows an embodiment of a direct and indirect lighting type lighting fixture of the present invention, (a) is a partial sectional side view showing a mounting state used as direct lighting, and (b) is an indirect lighting. It is a partial cross-sectional side view which shows the attachment state used as illumination.

FIG. 2 is a perspective view of the instrument body of the above.

FIG. 3 is a partial cross-sectional side view showing a conventional direct lighting and indirect lighting dual-purpose lighting fixture (first conventional example).

4A and 4B show another conventional direct and indirect lighting dual-purpose lighting fixture (second conventional example), in which (a) is a perspective view showing a mounting state used as direct lighting, and (b) is an indirect lighting. It is a perspective view which shows the attachment state used as illumination.

[Explanation of symbols]

 1 Instrument Main Body 1a Translucent Opening 1b Bottom 1c Side 1d Mounting 1e Ceiling Support 6 Ceiling 6a Mounting Opening

Claims (1)

[Claims] 1. A translucent opening is provided on one side to form a generally gutter-like shape, and mounting portions are provided on a gutter-shaped bottom portion and side portions, and the translucent opening is directed to a plurality of directions on a ceiling. A direct and indirect lighting type lighting fixture comprising a fixture main body attached to a mounting opening provided, wherein the fixture main body is formed in an outer flange shape at both ends of the light guide opening side. In the plurality of mounting directions, at least one of which is provided with a ceiling support portion that substantially abuts the lower surface of the ceiling, and direct lighting and indirect lighting can be changed by selecting the mounting direction of the fixture main body. Lighting equipment for both direct and indirect lighting.