JPH11159938A - Refrigerating showcase - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerating showcase which can be reduced in capital investment and running cost. SOLUTION: In a round type refrigerating showcase having commodity housing sections on the front-face and side-face sides, a cold air curtain is formed on the front side by blowing out cold air from the cold air outlet port 30 of each commodity housing section and, at the same time, the cold air is circulated in such a way that the cold air is introduced to a sealed space 18 from a cold air sucking port 26 and, after the introduced cold air is cooled by means of one cooler 24 which is provided in the sealed space 18 and commonly used by the commodity housing sections, the cold air is again blown out from the outlet port 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerated showcase used for displaying fresh foods in convenience stores and supermarkets.

[0002]

2. Description of the Related Art A refrigerated showcase is easy to attract customers in a store, and the display form of products by the showcase occupies a large weight in sales promotion. Therefore, various types of refrigerated showcases have been used, such as a type having a product storage section on the front side and a round type having a product storage section on the corner side in addition to the front side.

In a conventional round-type refrigerated showcase, a front product storage section facing the front side of the showcase and a side product storage section at the corner side have a cool air blowout for forming an air curtain on the front of the product storage section. The mouth is provided at the top, and the cold air suction port that sucks the cool air that has descended as an air curtain,
It is provided at the bottom.

The inside of the cool air outlet and the cool air suction port of each product storage section communicates with each other through a cool air passage provided on the back of the product storage section. It is introduced into the passage, re-cooled by a cooler arranged in the passage, and circulates.

[0005]

However, in the conventional round-type refrigerated showcases, two or three ordinary showcases are combined to form a corner-side product storage portion, so that a cooler is required. A cold air passage is separately provided for each of the front product storage section and the side product storage section, and there is a problem in that the configuration is wasteful, and equipment costs and running costs are relatively high.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to provide a refrigerated showcase that can reduce equipment costs and running costs.

[0007]

The present invention solves the above-mentioned problems as follows. (1) At least a product storage section is provided on the front side and the corner side, and cool air is blown out from a cool air outlet of each product storage section toward a cool air suction port to form an air curtain on the front face of each product storage section. Meanwhile, the cool air that has descended as an air curtain from the cool air intake port is introduced into the enclosed space, and the cool air is blown out again to each product storage section from the cool air outlet to circulate the cool air, and a round type refrigerated showcase In the above, one cooler for re-cooling the cool air introduced from the cool air suction port is commonly used for each product storage section.

(2) In the above item (1), fans for sucking cool air into the cool air passages are respectively arranged near the cool air suction ports of the respective product storage sections, and these fans are shared by the respective product storage sections. Introduce cold air into the enclosed space.

[0009]

Next, embodiments of the present invention will be described with reference to the accompanying drawings.

FIGS. 1 to 3 show a refrigerated showcase according to this embodiment.

As shown in FIG. 1, the refrigerated showcase of the present embodiment is a round type showcase having a side product storage section (10) on the corner side and a front product storage section (12) on the front side. is there. The side product storage section (10) and the front product storage section (12) each have a product storage direction orthogonal to each other, and have a shape suitable for being disposed at a corner or the like in a store.

As shown in FIG. 2, the product storage units (10) and (12)
Is supported on a base (14) having a predetermined height from the floor,
On the pillar (21) standing upright on the back of the product storage (10) (12),
On a three-stage shelf (16) attached via a bracket (17),
Refrigerated goods are displayed. The hook (1) of the bracket (17) with respect to an engagement hole (not shown) provided in the
By changing the engagement position of 7a), the inclination angle of the shelf board (16) can be changed.

At the top of the base (14), a closed space (18) closed by a closed lid (15) is provided.
8) communicates with a cool air passage (20) for cooling air circulation provided on the back of the refrigerated showcase and functions as a part of the cool air passage.

As shown in FIGS. 2 and 3, the closed space (18)
Inside, are disposed two fans (22a) (22b) arranged side by side and a cooler (24). One fan (22a)
Cool air of the air curtain mainly covering the front product storage unit (12) is sucked into the closed space (18), and the other fan (22b) is
The cool air of the air curtain covering the side product storage unit (10) is drawn in.

The cooler (24) provided in the closed space (18)
The cool air sucked into the enclosed space (18) by the fans (22a) and (22b) is shared by the side product storage section (10) and the front product storage section (12), and is provided with one cooler (24). After the heat exchange according to (1), it is led into the cold air passage (20).

That is, the cooler (24) and the closed space (18) are shared by the side product storage section (10) and the front product storage section (12), and therefore, each product storage section (10) ( 12) The structure inside the showcase can be simplified as compared with the case where each of them is individually installed. The cooler (24) is connected to a compressor (not shown).

In each of the merchandise storage sections (10) and (12), a cool air suction port (26) is provided in front of the upper end of the closed space (18). The cool air of the air curtain that flows in the direction of the arrow on the front of the case is drawn in. A vertical glass plate (28) is fitted on the upper surface of the closed space (18) in front of the cold air inlet (26).

At the upper end of the cool air passage (20), a cool air outlet (30) facing obliquely downward and forward is provided, and cool air is blown out toward the above-described cool air inlet (26). (10) A cold air curtain is formed on the front face of (12) to prevent heat from entering the inside of the product storage sections (10) (12) and maintain a temperature difference from the outside.

The operation of the refrigerated showcase of the present embodiment configured as described above is as follows.

In FIG. 2, the cool air blown out from the cool air outlet (30) is supplied with an air curtain on the front surface of the side product storage section (10) and the front product storage section (12) (not shown in FIG. 2). And descend as shown by the arrow. The cool air is guided in the direction of the cool air suction port (26) by the suction pressure of the fans (22a) and (22b) while cooling the products placed on the shelf plate (16) and the like when descending.

The cool air introduced into the closed space (18) from the cool air suction port (26) is heat-exchanged by a cooler (24) disposed in the closed space (18), and then is cooled. Stand up inside and branch off for each product storage section (10) (12), again,
The air is blown out from the cool air outlet (30) of each of the product storage sections (10) (12), and circulates while forming an air curtain on the front surface.

As described above, according to the refrigerated showcase of the present embodiment, the cooler (24) is shared by the side product storage section (10) and the front product storage section (12). Storage unit (1
0) It is not necessary to separately install a cooler for each (12), and the cost of the round-type refrigerated showcase can be reduced.

Further, the cool air that has descended as an air curtain to the front of the side product storage section (10) and the front product storage section (12) is sealed by the closed air shared by the two product storage sections (10) and (12). space
(18) is guided by the fans (22a) and (22b), so that loss such as air leakage is reduced as compared with a case where individual ducts are provided, and cool air is efficiently discharged in the showcase. Can be circulated. As a result, the running cost can be reduced, and the cooling efficiency is improved.

In the refrigerated showcase of the present embodiment, the showcase having a product storage section on the corner side and the front side has been described. However, the present invention relates to a refrigerated showcase in which the product storage section is formed over the entire circumference of the case. The present invention is also applicable to showcases and the like.

[0025]

According to the present invention, the following effects can be obtained. (a) According to the first aspect of the present invention, since the cooler for re-cooling the cool air is shared at least in the product storage sections on the front side and the corner side, only one cooler is required, and the structure of the showcase is reduced. Can be simplified. Thereby, the cost of the refrigerated showcase itself can be reduced.

(B) According to the second aspect of the present invention, fans for sucking cool air into the cool air passage are provided at least near the suction ports of the merchandise storage sections on the front side and the corner side, respectively. , So that cold air is led to the enclosed space shared by each product storage,
The structure is simplified, and cool air can be efficiently circulated, contributing to an improvement in cooling efficiency.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of a refrigerated showcase of one embodiment.

FIG. 2 is a longitudinal sectional view showing a main part of the refrigerated showcase of FIG.

FIG. 3 is a plan view of the refrigerated showcase of FIG. 1;

[Explanation of symbols]

 (10) Side product storage section (12) Front product storage section (14) Base (15) Sealed lid (16) Shelf (17) Bracket (17a) Hook (18) Sealed space (20) Cold air passage (21) Pillar (22a) (22b) Fan (24) Cooler (26) Cold air inlet (28) Glass plate (30) Cold air outlet

Claims (2)

[Claims] 1. A product storage section is provided at least on a front side and a corner side, and cool air is blown out from a cool air outlet of each product storage section toward a cool air suction port to form an air curtain on a front surface of each product storage section. A round type refrigeration system, in which cool air descending as an air curtain from the cool air suction port while being formed is introduced into the enclosed space, and cool air is blown out from the cool air outlet to each product storage section again to circulate the cool air. In the showcase, re-cooling the cool air introduced from the cool air suction port 1
A refrigerated showcase, wherein a common cooler is used for each product storage unit. 2. A fan for sucking cool air into a cool air passage is disposed in the vicinity of a cool air suction port of each product storage section, and the fans guide cool air to a closed space shared by each product storage section. The refrigerated showcase according to claim 1, wherein: