JPH11153381A - Illuminator of showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve illumination effect and cooling effect by disposing an optical fiber on a front end part of a shelf along left and right directions. SOLUTION: A display chamber 2 is constituted inside of an inner partition plate 1, and a plurality of shelves 3 are provided in the display chamber 2. Flexible bar-shaped optical fibers 5 emitting light from circumferences thereof from front ends of the shelves along sides are disposed and reflector plates 6 are mounted above the optical fibers 5. By such a constitution, light generated from a light source is guided to the optical fibers 5 and emitted from part of a circumferential face other than the reflector plate 6 so that light is radiated onto wide ranges on the shelves 3 from the front end of the shelves 3, and commodities in a wide range on the shelves 3 can be irradiated with the light. At this moment, reflection to customers becomes small so that glare is reduced, enhancing marketing effect, and refrigeration load in the display chamber 2 is alleviated and cooling effect and energy saving can be contrived.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for a showcase having a plurality of shelves installed in a display room.

[0002]

2. Description of the Related Art A conventional lighting device for a showcase installed in a supermarket or the like is disclosed, for example, in Japanese Patent Publication No. 2-69.
As shown in Japanese Patent Publication No. 93 (F25D27 / 00), a fluorescent lamp was attached to the front lower surface of each shelf attached to the showcase. Hereinafter, a conventional general showcase provided with such a fluorescent lamp will be described with reference to FIGS.

[0003] The showcase is, for example, a refrigerated vertical open showcase which is installed in a store such as a supermarket or the like. It is constituted by side plates (not shown) attached to both sides of the wall. An outer partition plate and an inner partition plate 1 (not shown) are attached to the inside of the heat insulating wall. A display room 2 is formed inside the inner partition plate 1, and a plurality of shelves are provided in the display room 2. 3 ... is installed.

A fluorescent lamp 1 is provided at the front of the lower surface of each shelf 3.
04 are attached respectively. And each shelf 3
The fluorescent lamp 104 illuminates the lower shelf 3 as shown in the figure.

[0005]

However, each shelf 3
Since the height of the lamps can be changed arbitrarily, in order to cope with the height change, a plurality of electric wires and sockets of the fluorescent lamps 104 mounted on each shelf 3... A problem with insulation.

Further, since the fluorescent lamp 104 generates heat when it is turned on, it becomes a load particularly in the display room 2 in a refrigerated / refrigerated showcase, causing a reduction in the cooling effect. Further, since the fluorescent lamp 104 becomes dark when cooled, it is necessary to cover it with a shade or the like. However, the size of the fluorescent lamp 104 becomes large, and the mounting position is limited to the position shown in FIGS. It will be done.

In such a position, the light reflected on the upper surface of the shelf 3 is radiated to the eyes of the customer, so that there is a problem that the display effect is reduced due to glare.

Furthermore, since the dimensions of the fluorescent lamp 104 are fixed, if the size of the fluorescent lamp 104 does not match the size of the shelf 3 of the showcase, there will be a part without illumination, and the socket at the end of the fluorescent tube will be blocked from light. There was also a problem of darkening due to.

The present invention has been made to solve the above-mentioned conventional technical problems, and an object of the present invention is to provide a lighting device for a showcase which can improve a lighting effect and a cooling effect.

[0010]

According to the present invention, there is provided a lighting apparatus comprising: a showcase having a plurality of shelves in a display room; and an optical fiber for emitting light from a peripheral surface, and light is supplied to the optical fiber. And an optical fiber is disposed at the front end of the shelf across the left and right.

According to the present invention, in a showcase having a plurality of shelves in a display room, an optical fiber for emitting light from a peripheral surface and a light source device for supplying light to the optical fiber are provided. Since the optical fiber is disposed on the front end of the shelf across the left and right, it is possible to guide the light from the light source device to the optical fiber and irradiate the front end of the shelf to a wide area on the shelf.

[0012] Thereby, the goods on the shelf can be brightly illuminated over a wide range from the front to the back, so that the sales effect can be improved and the heat energy generated from the optical fiber can be almost ignored. Therefore, the freezing load in the display room can be reduced, and the cooling effect can be improved and energy can be saved.

Further, since the electric wiring in the display room becomes unnecessary, the danger of electric leakage and electric shock is eliminated, and the assembling workability can be improved.

According to a second aspect of the present invention, in addition to the above, in addition to the above, an optical fiber is disposed from the front end of the shelf to the side.

According to the invention of claim 2, in addition to the above,
Since the optical fiber is disposed from the front end of the shelf to the side, the shelf side, where the illuminance was low in the past, can be evenly illuminated, and the display effect can be further improved. Things.

According to a third aspect of the present invention, in addition to the first aspect, a plurality of shelves are provided side by side on the left and right, and optical fibers of each shelf are connected at an end face.

According to the third aspect of the present invention, in addition to the first aspect of the present invention, a plurality of shelves are arranged side by side on the left and right, and the optical fibers of each shelf are connected at the end face, so that the shelves are arranged side by side on the left and right. This makes it possible to evenly illuminate the shelves on the shelves without any seams, thereby further improving the display effect.

[0018]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a longitudinal side view of a shelf 3 of a showcase to which the present invention is applied, and FIG.
In each figure, the same reference numerals as those in FIGS. 5 and 6 denote the same elements.

The showcase of the present invention is, for example, a refrigerated type vertical open showcase which is installed in a store such as a supermarket or the like. Is constituted by side plates (not shown) attached to both sides of the heat insulating wall. Inside the heat insulating wall, an outer partition plate (not shown) and an inner partition plate 1 (not shown) are attached. Inside the inner partition plate 1, a display room 2 is formed. Shelves 3 ... are installed.

Along the front end 3A of each of the shelves 3 and along the side 3B, a flexible rod-shaped optical fiber for emitting light from the peripheral surface is provided. In addition, the optical fiber 5
The reflector 6 is attached to the upper part of the.

A light source device (not shown) for supplying light to the optical fiber 5 is installed in, for example, a machine room of the showcase, and the optical fiber 5 is connected to the light source device. In addition, the unnecessary portion 5A of the optical fiber 5 other than the portion extending from the front end 3A to the side 3B of each shelf 3 and the tip 5B of the optical fiber 5 are covered with a light-shielding tape 7, The structure is such that light does not leak from the unnecessary lighting part.

The optical fiber 5 is also arranged inside a canopy of a showcase (not shown) or on the top surface of the inner partition plate 1.

With the above arrangement, the light generated from the light source device is guided to the optical fiber 5 and exits from a portion other than the reflector 6 on the peripheral surface thereof, and is spread over a wide area on the shelf 3 from the front end 3A of the shelf 3. Irradiated toward.

As a result, it becomes possible to illuminate the goods on the shelf 3 brightly over a wide range from the front to the back. Also, at this time, the reflection on the customer side is reduced, so that the glare is improved, the sales effect is improved,
Since the heat energy emitted from the optical fiber 5 can be almost ignored, the refrigeration load in the display room 2 can be reduced, and the cooling effect can be improved and energy can be saved.

Further, in this case, since there is no need for electric wiring in the display room 2 as in the case of using a fluorescent lamp, there is no danger of electric leakage and electric shock, and the assembling workability can be improved.

Furthermore, since the optical fiber 5 is provided from the front end 3A of the shelf 3 to the side 3B, the side 3B, which was conventionally dark, can be evenly illuminated, and the display effect can be reduced. It will be possible to further improve it.

FIG. 3 shows another embodiment of the present invention. In this case, in addition to the above embodiment, the optical fiber 8 is bent along the side 3B from the front end 3A of the shelf 3 as shown in FIG. They are arranged in parallel.

Thus, the illuminance is further improved, and the display effect can be further improved.

FIG. 4 shows still another embodiment. In this case, a plurality of shelves 4 are juxtaposed on the left and right in the showcase, and optical fibers 9 are disposed on the front ends of the adjacent shelves 4. Are connected to each other at their end faces.

As a result, it is possible to eliminate the darkness of the illuminance at the connection portion of the lighting of the adjacent shelf 4 and to evenly illuminate, so that the display effect can be further improved.

The present invention is not limited to the refrigerated vertical open showcase of the embodiment, but is also effective in various showcases.

[0032]

As described above in detail, according to the present invention, in a showcase having a plurality of shelves installed in a display room, an optical fiber radiating light from a peripheral surface, and light is supplied to the optical fiber. The light from the light source device is guided to the optical fiber, and can be directed from the front end of the shelf to a wide area on the shelf. It becomes possible.

As a result, the products on the shelf can be brightly illuminated in a wide range from the front to the back, so that the sales effect is improved and the heat energy generated from the optical fiber can be almost ignored. Therefore, the freezing load in the display room can be reduced, and the cooling effect can be improved and energy can be saved.

Further, since the electric wiring in the display room becomes unnecessary, the danger of electric leakage and electric shock is eliminated, and the assembling workability can be improved.

According to the second aspect of the present invention, in addition to the above, the optical fiber is disposed from the front end of the shelf to the side.
Conventionally, the side of the shelf where the illuminance is dark can be evenly illuminated, and the display effect can be further improved.

According to the third aspect of the present invention, in addition to the first aspect, a plurality of shelves are provided on the left and right sides, and the optical fibers of each shelf are connected at the end face. Can be evenly illuminated seamlessly,
With this, the display effect can be further improved.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view of a shelf portion of a showcase to which the present invention is applied.

FIG. 2 is a bottom view of the shelf shown in FIG. 1;

FIG. 3 is a bottom view of a shelf of a showcase according to another embodiment to which the present invention is applied.

FIG. 4 is a bottom view of a shelf of a showcase according to another embodiment.

FIG. 5 is a vertical sectional side view of a shelf portion of a conventional showcase.

FIG. 6 is a bottom view of the shelf of the showcase of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Inner-layer partition plate 2 Display room 3, 4 shelf 5, 8, 9 Optical fiber 6 Reflector 7 Tape

Claims (3)

[Claims] 1. A showcase comprising a plurality of shelves installed in a display room, comprising: an optical fiber that emits light from a peripheral surface; and a light source device that supplies light to the optical fiber. A lighting device for a showcase, wherein the lighting device is disposed on the front end of the shelf so as to extend left and right. 2. The showcase lighting device according to claim 1, wherein the optical fiber is disposed from the front end of the shelf to the side. 3. The showcase lighting device according to claim 1, wherein a plurality of shelves are arranged side by side on the left and right, and optical fibers of the respective shelves are connected at end faces.