JPH0133575Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to a lighting device for an elevator cab.

[Prior art]

A conventional lighting system for an elevator cab disclosed in Japanese Utility Model Application No. 57-138872 will be explained with reference to FIGS. 1 and 2. FIG.

In Figures 1 and 2, 1 is a car compartment, 2 is a car compartment wall, 3 is a ceiling plate, and 4 is a light-shielding plate fixed to the lower surface of the ceiling plate 3. The light-shielding plate 4 covers the outer peripheral part of the ceiling surface. It covers the ceiling plate 3 and opens toward the lower central part.
Numeral 5 is a light source that emits only invisible light such as ultraviolet rays, which is installed in the light-shielding plate 4 so that it cannot be seen from inside the car compartment 1. Numeral 6 is a light source that emits only invisible light such as ultraviolet rays, and 6 is a large number of dots on the ceiling surface visible from inside the car compartment 1. A fluorescent substance such as fluorescent paint applied to

In the conventional elevator cab illumination device configured as described above, the fluorescent material 6 receives invisible light rays 7 emitted from the light source 5 and reflects them into the cab 1 as visible light 8.

However, with the above-mentioned conventional lighting device, the point light source becomes a flat expression, so there is no sense of depth, and the fluorescent substance is attached to the horizontal ceiling plate that acts as a reflective surface for the light source. There is a demand for improvement in the fact that the visible light reflected is weak because the bottom surface is nearly parallel.

[Summary of the idea]

This idea involves installing a specular reflector on the lower part of the ceiling panel that can be seen from inside the car, suspending a large number of filaments from this reflector, and attaching multiple dots of fluorescent material to each of these filaments. To meet the above-mentioned needs, provide a lighting device for an elevator car room that can obtain deep and strong visible light by applying invisible light from a light source to these fluorescent substances to produce visible light. The purpose is to

[Example of idea]

An embodiment of this invention will be described below with reference to FIGS. 3 to 7.

In FIGS. 3 and 4, the same reference numerals as in FIGS. 1 and 2 indicate the same or corresponding parts, 9 is a specular reflector provided on the lower surface of the ceiling plate 3 in a part visible from inside the car compartment 1, and 10 are a large number of long and short filaments suspended from the specular reflector 9, and each of these filaments 10 is coated with a plurality of fluorescent substances 6 in dots. Further, a light source body 5 that emits only invisible light such as ultraviolet rays is attached to the upright peripheral wall 4a of the light shielding plate 4, and is arranged on the outer peripheral side of the filament body 10 so as not to be seen from inside the car chamber 1. . Further, as shown in FIGS. 5 and 6, the specular reflector 9 is divided into a plurality of parts, and the divided parts are each removably attached to a panel 12 fixed on the ceiling board 3 with screws 11. It is fastened and fixed, and the peripheral portion is bent downward to form a substantially inverted dish shape. The configuration of this embodiment other than the above is the same as the conventional one shown in FIGS. 1 and 2.

As shown in FIG. 7, in the elevator car illumination device of the embodiment configured as described above, the invisible light 7 emitted from the light source body 5 is directed to the filament body 10 suspended from the specular reflector 9. Visible light 8 hits the fluorescent substance 6 attached in dots on the car from the surroundings and becomes visible light 8. The visible light 8 is reflected by the specular reflector 9 and enters the eyes 13 of the person inside the car compartment 1. Room 1
To the person inside, the visible light 8 reflected by the specular reflector 9 appears to be coming out from above the specular reflector 9 in the extending direction, and the point-shaped fluorescent substance 6 appears deep. In addition, even if the invisible light 7 from the light source 5 is emitted in a near-horizontal direction, a fluorescent substance 6 that converts it into visible light 8 is attached to a thread suspended from a specular reflector 9 provided on the lower surface of the ceiling board 3. The visible light 8 reflected from the fluorescent substance 6 attached to the strip 10 is further reflected by the specular reflector 9, so that the visible light directed downward into the car compartment 1 increases and becomes stronger.

Furthermore, in the lighting device of this embodiment, since the specular reflector 9 is removable from the ceiling plate 3, if the fluorescent substance 6 deteriorates and fades due to use, it can be easily installed on-site in the car room 1. It can be easily repaired without any trouble by replacing the specular reflector 9 and thread body 10 with new ones without repainting the fluorescent substance.

[Effect of idea]

As explained above, this idea provides a specular reflector on the lower part of the ceiling board visible from inside the car,
A large number of filaments to which a plurality of point-shaped fluorescent substances are attached are suspended from this reflector, and the invisible light from the light source is applied to the fluorescent substances to produce visible light, so that the depth can be reduced. The present invention has the effect of providing an elevator car lighting system that provides strong visible light.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a conventional elevator car lighting system, FIG. 2 is a cross-sectional view of the same, FIG. 3 is a perspective view showing an elevator car lighting system according to an embodiment of this invention, and FIG. 5 is a perspective view of the specular reflector, FIG. 6 is a partial sectional view showing how the specular reflector is attached, and FIG. 7 is an explanatory diagram of the operation of the main parts. 1... Car room, 3... Ceiling board, 4... Light shielding plate,
5... Light source, 6... Fluorescent substance, 7... Invisible light source, 8... Visible light, 9... Specular reflector, 10...
...Thread body, 11...screw, 12 nut. In addition, the same parts or corresponding parts in the figures are indicated by the same reference numerals.

Claims (1)

[Scope of claim for utility model registration] (1) A light-shielding plate disposed below a portion of the ceiling board, a light source installed within the light-shielding board that emits only invisible light, and the inside of the car on the bottom of the ceiling board. A specular reflector installed in a visible area, a large number of filaments suspended from this reflector, and a plurality of filaments attached to each of these filaments convert the invisible light emitted from the light source into visible light. 1. A lighting device for an elevator car, characterized by comprising point-like fluorescent material. (2) The lighting system for an elevator car according to claim 1, wherein the specular reflector is removably fixed to the ceiling surface.