JPH04249802A - Luminaire - Google Patents

Abstract

PURPOSE:To improve an uniformity ratio of luminance, and eliminate generation of dark part in ends of a lamp, and improve the luminaire efficiency to obtain a luminaire to be fitted for indirect lighting. CONSTITUTION:A fitting part 12 is formed in one end of a luminaire maid frame 10. A notch part 14 is formed in one side of the other end so as to face a position, to which a one end fitting part 12 of a luminaire main frame 19 adjacent to the luminaire main frame 10. One lamp socket 21 of a pair of sockets is fitted to one side of one end side fitting part 12 of the luminaire main frame 10, and one lamp socket 23 of a pair of sockets is fitted to the other side of the other end side of the luminaire main frame 10. A lighting unit 16 is arranged in the luminaire main frame 10 at a position on a straight line with an arrangement position of one lamp 15 and in parallel with an arrangement position of the other lamp 15. Luminance of the ceiling surface is thereby made nearly even. Brightness of the ceiling surface is made even. The lighting unit and the lamps are formed in the nearly same surface. Height dimension of the luminaire main frame is made low. A space between the lamps and the ceiling surface is enlarged. Luminance of the ceiling surface is not raised extremely. Height of the shading wall is lowered.

Description

[Detailed description of the invention]

[Object of the invention]

0002

[Industrial Field of Application] The present invention relates to lighting equipment, and in particular,
The present invention relates to a lighting device that prevents the occurrence of dark areas between the ends of lamps in a lighting device in which the lighting devices are connected in a straight line, and is suitable for, for example, indirect lighting.

0003

[Prior Art] A conventional lighting fixture of this type is shown in Fig. 7.
An indirect lighting fixture called a trough type is used, as shown in FIG. The fixture main body 1 shown in FIG. 7 is installed in a place where the distance between the fixture mounting part 2 and the ceiling surface 3 is narrow, and when the lighting unit 4 is arranged at the end of the fixture main body 1 due to height dimension constraints, the lamp 6 When these are arranged in a row in the longitudinal direction, the distance between the lighting units 4 between the lamps 6 increases, the distance between the appliance bodies 1 increases, the dark area becomes large, and the brightness of the ceiling surface 3 becomes uneven. Furthermore, as shown in FIG. 8, when the lighting unit 4 is housed in the fixture body 1, the height of the fixture body 1 increases, the distance between the lamp 6 and the ceiling surface 3 decreases, and the brightness of the ceiling surface 3 decreases. Therefore, the height of the light shielding wall 5 must be increased in order to obtain the light shielding angle θ.

0004

[Problems to be Solved by the Invention] In the lighting fixtures having the above conventional structure, dark areas appear on the ceiling surface, the brightness of the ceiling surface becomes too high, which tends to impair the appearance, and in order to obtain a light shielding angle, light shielding is required. When the walls were made higher, there was a problem that the efficiency of the equipment decreased.

The present invention has been made in view of the above problems, and it is possible to ensure an appropriate distance between the lamp position and the ceiling surface.
To provide a lighting fixture that has high uniformity of light, does not produce dark areas, improves fixture efficiency, and is particularly suitable for indirect lighting.

[Configuration of the invention]

[0007]

[Means for Solving the Problems] The lighting device according to the invention as set forth in claim 1 includes a main body, and at least two lamps mounted opposite to each other on the main body with their ends close to each other. , or two pairs of lamp sockets disposed parallel to each other or at an angle to each other, and a fitting fitted to the other end of the apparatus body adjacent to the one end of the apparatus main body. A notch is formed so as to form a fitting part and face a position where one end fitting part of the instrument body adjacent to one side of the other end is fitted, and one side of the one end fitting part of the instrument main body is formed. Attach one lamp socket of one pair to the lamp socket, and install the other lamp socket opposite to this lamp socket at a position matching the length of the lamp, and attach the other pair to the other end of the appliance main body. One lamp socket is attached to the lamp socket, and the other lamp socket opposite to this lamp socket is attached at a position that matches the length of the lamp.

[0008] The lighting fixture of the invention according to claim 2 is the lighting fixture according to claim 1, in which the fixture body is located on a straight line with the arrangement position of one of the lamps and the other lamp is arranged. A lighting unit is arranged in a position parallel to the position.

[0009]

[Operation] In the lighting fixture of the invention as set forth in claim 1, one lamp socket of one pair is attached to one side of the fitting part on one end side of the fixture main body so as to match the length of the lamp with the other lamp socket. , one lamp socket of the other pair was installed on the other end side to match the length of the other lamp socket and the lamps, so the lamps were arranged alternately and staggered on a plane. , the end of one lamp overlaps the light-emitting part of the other lamp, and there is no dark part.Moreover, when the appliances are connected in a straight line, the fitting part of one end overlaps the notch, and the fitting part The lamp socket installed on one side is placed in the notch, so there is no dark part of the lamp at the end of the fixture, and when indirect lighting is used, the brightness on the ceiling surface is almost uniform, and the ceiling surface The brightness becomes even.

[0010] In the lighting fixture of the invention as set forth in claim 2, the lighting unit is on substantially the same surface as the lamp, and when used as indirect lighting, the height of the fixture body is reduced compared to a structure in which the lighting unit is housed within the fixture body. The height of the light-shielding wall can be reduced, the space between the lamp and the ceiling can be expanded, the brightness of the ceiling can be prevented from becoming extremely high, and the height of the light-shielding wall can be lowered, increasing luminance efficiency.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of an embodiment of the present invention will be explained with reference to FIGS. 1 and 2.

Reference numeral 10 denotes an instrument main body formed into an elongated rectangular plate shape, and side edges 11 bent downward are formed on both edges along the longitudinal direction of the instrument main body 10.

[0013] At one end of this instrument main body 10, a fitting part 12 which is fitted to the other end of the adjacent instrument main body 10 is formed integrally or separately with a step part 13 lowered one step. There is. Further, a notch 14 is formed on one side of the other end of the instrument main body 10 so as to face a position where one end fitting portion 12 of the adjacent instrument main body 10 is fitted.

One of the pair of lamp sockets 21 is attached to one side of the fitting part 12 on the one end side of the appliance main body 10, and the other lamp socket 22 opposite to this lamp socket 21 is of a straight tube type. It is attached at a position that matches the length of the fluorescent lamp 15. Further, one lamp socket 23 of the other pair is attached to the other end side of the appliance main body 10, and the other lamp socket 24 opposite to this lamp socket 23 is connected to a straight tube fluorescent lamp 15. It is installed at a position that matches the length. Then, two lamps 15,
15 to the paired lamp sockets 21, 22 of one set and the lamp sockets 23, 24 of the other set, the two lamps 15, 15 have their ends close to each other and are attached to the fixture body 10. Displaced in the longitudinal direction and arranged parallel to each other.

The appliance body 10 also includes a lighting unit 16 such as an electronic ballast at a position that is located in a straight line with the installation position of one lamp 15 and parallel to the installation position of the other lamp 15. A terminal block 17 is attached.

Further, in FIGS. 4 and 5, reference numeral 31 denotes a lamp mounting portion located near the ceiling surface 32 and formed on the upper part of the wall surface 33. It has a light shielding wall portion 35 formed in an inclined shape upward from the tip edge.

Next, the operation of this embodiment will be explained.

Attach one pair of lamp sockets 21 and the other lamp socket 22 to one side of the fitting part 12 on the one end side of the appliance main body 10 so as to match the length of the lamp 15,
One lamp socket 2 forming the other pair on the other end side
3 is installed to match the length of the other lamp socket 24 and the lamp 15, the lamps 15, 15 are arranged alternately with their ends close to each other, and are arranged in a staggered manner on a plane, and one lamp The end of the lamp 15 overlaps the light emitting part 18 of the other lamp 15, and there is no dark part.

[0019] In addition, when the instruments are arranged in a straight line,
As shown in , the fitting part 12 at one end of the appliance body 10 overlaps the notch 14, and the lamp socket 15 attached to one side of the fitting part 12 is disposed in the notch 14, so that the appliance body 10 is connected to the notch 14. Dark areas of the lamp 15 will no longer occur at the ends.

As shown in FIG. 4, when used as indirect illumination, for example, if the fixture main body 10 is installed in series on the lamp mounting surface 34 of the lamp mounting section 31, as shown in FIGS. 5 and 6. As shown, the light emitted from the lamps 15, 15 is reflected by the ceiling surface 32 and irradiated downward. Further, the light-shielding angle θ is ensured by the light-shielding wall portion 35 formed in an upwardly inclined shape. In this case, since no dark portion is formed at the end of each lamp 15, the brightness of the ceiling surface 32 becomes substantially uniform, and the brightness of the ceiling surface becomes uniform.

Furthermore, as shown in FIG. 6, the lighting unit 16
Also, by arranging the terminal block 17 on the wall surface 33 side, no shadow is caused by the arrangement of the lighting unit 16 and the terminal block 17.

Furthermore, since the lighting unit 16 is provided on approximately the same surface as the lamp 15, the thickness of the fixture body can be made thin, and when used as indirect lighting, the lighting unit 16 can be housed within the fixture body 10. Compared to the structure, the device body 1
The height of the lamp 15 can be reduced, the space between the lamp 15 and the ceiling surface 32 can be expanded, and the brightness of the ceiling surface 32 will not become extremely high. Moreover, the height of the light-shielding wall portion 35 can be reduced, and the luminance efficiency can be increased. Furthermore, wiring becomes easier.

In the above embodiment, two lamps 15 are arranged in parallel in each appliance body 10, but a pair of lamp sockets 21, 22, 23 and 24 may be provided. Also,
The end portions of the lamps 15 are not limited to being disposed at different ends, but two lamps may be disposed close to each other. Further, the present invention is not limited to an appliance for two lamps, but can be applied to an appliance for which an even number of lamps 15 can be attached, such as an appliance for four lamps.

[0024]

According to the invention as set forth in claim 1, one lamp socket of one pair is placed on one side of the fitting part on one end side of the appliance body to match the length of the other lamp socket and the lamp. Since one lamp socket of the other pair was installed on the other end of the lamp socket, matching the length of the lamp with the other lamp socket, the lamps were placed close to each other and were staggered on a plane. The end of one lamp overlaps the light emitting part of the other lamp, and there is no dark area.
Moreover, when the appliances are connected in a straight line, the fitting part at one end overlaps the notch, and the lamp socket attached to one side of the fitting part is arranged in the notch, and the lamp socket at the connecting end of the appliance also overlaps the notch. When indirect lighting is used, the brightness of the ceiling surface is almost uniform, and the brightness of the ceiling surface is even.

According to the second aspect of the invention, the lighting unit is on the same level as the lamp, and when used as indirect lighting, the height of the lighting unit is reduced compared to a structure in which the lighting unit is housed within the equipment body. The dimensions can be reduced, the distance between the lamp and the ceiling can be expanded, the brightness of the ceiling can be prevented from becoming extremely high, the height of the light-shielding wall can be lowered, and the luminance efficiency can be increased.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a lighting fixture showing one embodiment of the present invention.

FIG. 2 is a plan view of the above lighting fixture.

FIG. 3 is a plan view of a state in which the lighting fixtures are arranged in series.

FIG. 4 is a plan view of the above lighting fixture attached.

FIG. 5 is an explanatory side view showing a state in which the above lighting fixture is installed.

FIG. 6 is an explanatory side view showing a state in which the above lighting fixture is installed.

FIG. 7 is an explanatory side view showing a state in which a conventional lighting fixture is installed.

FIG. 8 is an explanatory side view showing a state in which the above lighting fixture is attached.

[Explanation of symbols]

10 Equipment body 12 Fitting part 14 Notch 15 Lamp 16 Lighting unit

Claims (2)

[Claims] Claim 1: A device body, and at least two lamps mounted on the device body facing each other, with their ends close to each other, or parallel to each other or inclined to each other. An appliance comprising two sets of lamp sockets, each forming a pair, forming a fitting part to be fitted to the other end of the appliance body adjacent to the one end of the appliance body, and adjacent to one side of the other end. A notch is formed so as to face the fitting part at one end of the main body, and one lamp socket of the pair is attached to one side of the fitting part at one end of the appliance main body. Attach the other lamp socket opposite to the lamp socket at a position that matches the length of the lamp, and install one lamp socket of the other pair on the other end of the appliance body, and attach the other lamp socket opposite to this lamp socket. A lighting fixture characterized by having a lamp socket installed at a position that matches the length of the lamp. [Claim 2] A lighting unit is disposed in the appliance main body at a position that is located on a straight line with one of the lamps and parallel to the other lamp. 1. The lighting fixture according to 1.