JPH08110155A - Showcase - Google Patents

Abstract

PURPOSE: To pevent air-curtain from being disturbed, in a showcase provided with a fluorescent lamp vertically on the inside of a side plate to illuminate the inside of a storage chamber. CONSTITUTION: A showcase is constituted of an air outlet port 11, provided at the upper part of a storage chamber to send out cold air, a suction port 12, sucking the cold air, side plates of the storage chamber 8, a fluorescent lamp 20, provided vertically on the inside of the side plate, a shelf 16, provided in the storage chamber and equipped with another fluorescent lamp 18 on the fore part of the lower surface thereof, and shelves 17 equipped with no fluorescent lamp.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a showcase in which a fluorescent lamp is provided in a vertical direction inside a side plate to illuminate the inside of a storage room, and an air curtain is not disturbed.

[0002]

2. Description of the Related Art On a side surface of a storage room equipped with a door of an automatic closing system on a front surface, a fluorescent lamp is arranged substantially vertically over the storage room to illuminate the entire storage room. There is a publication of 4-20941. Further, in a normal open showcase, fluorescent lamps are provided on the lower surface of each shelf for illuminating products displayed below the shelf.

[0003]

However, in a showcase in which a fluorescent lamp is provided in the vertical direction over substantially the entire area of the storage chamber on the side surface, the storage chamber can be sufficiently illuminated, but the upper end of the fluorescent lamp blows cold air. Since it is in the core area of the air curtain blown out from the outlet, it causes turbulence in the air curtain, and in addition to being unable to form a sufficient air curtain in the storage chamber,
There is also a drawback in that the heat generated by the fluorescent lamp directly affects the air curtain and raises the temperature of the air curtain.

Further, in a showcase in which a fluorescent lamp is provided on the lower surface of the shelf, since each fluorescent lamp is provided on each shelf, in addition to consuming a large amount of electric power, the heat of the fluorescent lamp is reduced. There is also a drawback that the temperature in the storage chamber rises due to the influence. Therefore, the present invention, in addition to preventing turbulent flow of the air curtain, while performing sufficient illumination,
Provide a showcase that reduces power consumption.

[0005]

SUMMARY OF THE INVENTION The present invention provides a showcase constructed to solve the above-mentioned problems. According to claim 1, the main body is constructed of a heat insulating wall having a front opening. However, a plurality of shelves for displaying products are vertically arranged in the outer main body, and a passage for cold air that accommodates a cooler and a blower is provided, and both the upper and lower ends of the opening face each other, and the outlet and the suction of the passage are opposed to each other. In a showcase that includes a mouth and a fluorescent lamp vertically arranged in a storage chamber in the main body, and closes the opening with an air curtain by a forced circulation airflow flowing from the air outlet toward the air inlet, The upper end of the fluorescent lamp provided in the direction is set at a position substantially the same as or lower than the position of the shelf provided at the uppermost stage.

According to the second aspect of the present invention, the main body is composed of a heat insulating wall having a front opening, and a plurality of shelves for displaying products are vertically arranged in the outer main body to accommodate a cooler and a blower. A passage for cold air circulation, two outlets and inlets of the passage facing the upper and lower ends of the opening, and a fluorescent lamp vertically arranged in the storage chamber in the main body. In a showcase that closes the opening with an air curtain by a forced circulation airflow flowing toward the mouth, the upper end of the fluorescent lamp provided in the vertical direction is set to a position substantially the same as or lower than the position of the shelf provided at the uppermost stage. In addition to the above, at least one of the shelves provided in the storage room is provided with a fluorescent lamp on the front surface of the lower surface.

[0007]

According to the showcase of the first aspect of the invention, the upper end of the fluorescent lamp vertically provided on the inner surface of the side plate of the storage chamber is located at a position substantially the same as or lower than the uppermost shelf (in the core region of the air curtain). By arranging it below, it is possible to prevent turbulent flow of the air curtain and form a sufficient air curtain while illuminating the inside of the storage room.

Further, according to the showcase of the invention of claim 2, in addition to the showcase of claim 1, at least one shelf having a fluorescent lamp is provided at the front part of the lower surface,
It is possible to sufficiently illuminate a place where the illumination of the fluorescent lamp provided in the vertical direction on the inner surface of the side plate is not sufficient, and even for a product that needs to give a stronger impression to the customer.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the open showcase of the present invention. FIG. 2 is a sectional view of the open showcase of the present invention. FIG. 3 is a sectional view of a conventional open showcase. FIG. 4 is a sectional view of a conventional open showcase. The same reference numerals are used in the drawings.

The open showcase 1 of the present invention comprises a heat insulating wall 2 having a substantially U-shaped cross section, and side plates 3 attached to both ends of the heat insulating wall 2. A partition plate 4 is attached to the inside of the heat insulating wall 2 with a space therebetween, and a duct 6 is provided between the partition plate 4 and the heat insulating wall 2. A bottom plate 7 is attached in front of the lower end of the partition plate 4 with a space for a duct between the partition plate 4 and the bottom wall 2A of the heat insulating wall 2, and the inside of the partition plate 4 and the bottom plate 7 serves as a storage chamber 8. . An air outlet 11 provided with a honeycomb material 10 is formed at the upper edge of the front opening 9 of the heat insulating wall 2, and the air outlet 11 communicates with the duct 6. A suction port 12 is formed at the lower edge of the opening 9.

On the other hand, below the bottom plate 7, the bottom wall 2A of the heat insulating wall 2 is provided.
A fan case 13 is installed on the top, and a fan 14 is attached to the fan case 13. Also,
A cooler 15 of a cooling device is vertically installed in a duct 6 behind the partition plate 4, and when the blower 14 is operated, the cooler 15 is provided.
The cold air that has exchanged heat with
It is blown out from 1 toward the suction port 12. Then, the cool air sucked through the suction port 12 is accelerated again by the blower 14. As a result, a cold air curtain is formed in the opening 9, and a part of this air curtain is circulated in the storage chamber 8 to cool the storage chamber 8.

A machine room 23 is formed below the bottom wall 2A of the heat insulating wall 2. Inside the machine room 23, a compressor 25, a condenser 24, and a blower 26 for the condenser which constitute the cooling device are formed.
Is installed. When the condenser blower 26 is operated, outside air is introduced into the machine room 23 as indicated by an arrow in the figure, the condenser 24 and the compressor 25 are air-cooled, and waste heat is exhausted from the exhaust heat duct 5.

A rear extractor top 28 as a mounting plate is attached to the upper surface of the front end of the ceiling wall 2B of the heat insulating wall 2, and the rear extractor top 28 is provided below the rear extractor top for covering the opening 9 of the storage chamber at night. A night cover 22 is provided, and a translucent shade 27 made of an acrylic milk translucent plate is attached to the front end of the rear extractor top. A fluorescent lamp 19 is provided behind the shade 27 to illuminate the shade 27 from behind.

A plurality of shelves 16 to which a fluorescent lamp 18 is attached and a shelf 17 to which no fluorescent lamp is attached are vertically provided in a plurality of stages in the storage chamber 8. Further, side plate fluorescent lamp reflectors 21 are vertically attached to the heat insulating wall 2 on both sides of the opening 9 of the heat insulating wall 2, and the fluorescent lamps 20, 101 are vertically arranged inside the side plate fluorescent lamp reflector 21. Is provided.

Since the fluorescent lamp 101 is provided in substantially the entire area in the up and down direction of the interior, it can illuminate the interior sufficiently, but the upper end is provided in the core region of the air curtain. Therefore, turbulent flow occurs in the air curtain near the side plate, and there is a drawback that the air curtain for sufficiently cooling the storage chamber 8 cannot be formed.

Therefore, in order to prevent turbulent flow of the air curtain, the fluorescent lamp 20 has the upper end of the fluorescent lamp 20 below the core area of the air curtain. The air curtain for sufficiently cooling the inside of the storage chamber 8 is formed while sufficiently illuminating. Moreover, since the interior of the storage room can be illuminated by the fluorescent lamp 20, it is possible to reduce the power consumption of the illumination device.

Further, when the lighting in the storage room 8 is insufficient, or when there is a product or the like to be particularly appealing, a fluorescent lamp 18 is provided at the front part of the lower surface of the shelf 16 above the place where more lighting is required. The interior of the storage room 8 can also be illuminated more.

[0018]

According to the showcase of the invention of claim 1, the upper end of the fluorescent lamp vertically provided on the inner surface of the side plate of the storage room is at the same or lower position as the uppermost shelf (the core area of the air curtain). By arranging the air curtain in the lower part), the turbulent flow of the air curtain can be prevented and the sufficient air curtain can be formed while illuminating the storage chamber.

Further, according to the showcase of the invention of claim 2, in addition to the showcase of claim 1, at least one shelf having a fluorescent lamp is provided in the front part of the lower surface,
There is also an effect that it is possible to sufficiently illuminate a place where the illumination of the fluorescent lamp vertically provided on the inner surface of the side plate is insufficient, and even for a product which needs to give a stronger impression to the customer.

[Brief description of drawings]

FIG. 1 is a perspective view of an open showcase of the present invention.

FIG. 2 is a sectional view of the open showcase of the present invention.

FIG. 3 is a cross-sectional view of a conventional open showcase.

FIG. 4 is a cross-sectional view of a conventional open showcase.

[Explanation of symbols]

 1 Open showcase 2 Insulation wall 3 Side plate 16 Shelf 17 Shelf 18 Fluorescent lamp 20 Fluorescent lamp

Claims (2)

[Claims] 1. A main body is composed of a heat-insulating wall having an open front surface, and a plurality of shelves for displaying products are vertically arranged in the outer main body, and a cool air circulation passage for accommodating a cooler and a blower is provided. ,
Forced circulation airflow that is provided at both upper and lower ends of the opening and has both outlet and inlet ports of the passage and a fluorescent lamp vertically arranged in a storage chamber in the main body, and flows from the outlet port toward the inlet port. In the showcase in which the opening is closed by the air curtain according to the show, the upper end of the fluorescent lamp provided in the vertical direction is set at a position substantially the same as or lower than the position of the shelf provided at the uppermost stage. Case. 2. A main body is composed of a heat-insulating wall having an open front surface, and a plurality of shelves for displaying products are vertically arranged in the outer main body, and a cool air circulation passage for storing a cooler and a blower is provided. ,
Forced circulation airflow that is provided at both upper and lower ends of the opening and has both outlet and inlet ports of the passage and a fluorescent lamp vertically arranged in a storage chamber in the main body, and flows from the outlet port toward the inlet port. In the showcase in which the opening is closed by the air curtain according to the above, in addition to that the upper end of the fluorescent lamp provided in the vertical direction is set to a position substantially the same as or lower than the position of the shelf provided in the uppermost stage, A showcase characterized in that at least one of the shelves provided in the storage room is provided with a fluorescent lamp on the front surface of the lower surface thereof.