JPH1194430A - Open display case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve a cooling effect of a storage chamber by setting the number of a cold air outlets or opening size to a different value in response to a direction of a side face of a columnar duct, thereby uniformly cooling in the chamber. SOLUTION: A plurality of stages of shelves 4 are installed vertically at a predetermined interval in a storage chamber 2. The respective shelves 4 are formed narrower at an upper part and wider toward a lower part so that commodities displayed on the respective shelves are easily observed. And, inner hollow columnar duct members 7 are stood at a predetermined interval in the chamber 2. And, lifting ducts 8 are respectively vertically formed in the members 7. A plurality of cold air outlets 13 communicate with these ducts 8 so as to directly diffuse the part of the cold airs rising in the ducts 8 into the chamber 2, and the number of the outlets 13 is set at different values. Thus, temperature unevenness in the chamber 2 can be suppressed and the chamber 2 can be uniformly cooled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an open showcase in which a column-shaped duct member is provided upright in a storage room, and a blow-up duct for blowing cool air into the column-shaped duct member.

[0002]

2. Description of the Related Art Conventionally, an open showcase of this type has been disclosed in, for example, Japanese Patent Publication No.
/ 08). The open showcase disclosed in this publication is installed in a store such as a supermarket and displays the products for sale while cooling them. In the storage room, a plurality of shelves for displaying the products for sale are provided. The direction is open. There is also an open showcase in which one of the side surfaces is covered with a side wall and opened in three directions (or front and rear surfaces).

[0003] In the open showcase, a blow-up duct for blowing cool air is formed at the center of the storage room, and cool air that has exchanged heat with a cooler installed at the bottom is blown up and blows out from the upper edge of the opening toward the lower edge. Thus, a cool air curtain was formed at each opening.

[0004]

The storage room is cooled by circulating a part of the cool air curtain into the storage room. However, the flow of the cool air is reduced by the sales products and the like displayed on the shelves. There was a drawback that the temperature in the storage room became non-uniform because of being blocked.

[0005] In a so-called pass-through type open showcase in which the opposing surfaces of the storage room are opened, and a product can be taken out by inserting a hand through both openings, the storage room communicates from one opening to the other opening. Therefore, there is also a problem that outside air blows from one opening of the storage room to the other opening, and the temperature inside the storage room rises and the cooling effect is significantly reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional technical problem, and provides an open showcase capable of uniformly cooling a storage room and improving a cooling effect of the storage room. With the goal.

[0007]

According to the first aspect of the present invention, there is provided an open showcase, wherein a vertical upflow duct is formed in a hollow columnar duct member provided upright in a storage room. It blows up the cool air and discharges the cool air into the storage chamber from the cool air discharge port formed on the side surface of the columnar duct. The number or the opening size of the cool air discharge port differs depending on the direction of the side surface of the columnar duct. It is a value.

In the above-mentioned open showcase, the open showcase has an opening on at least opposing surfaces, has a plurality of shelves in the storage room, and has a lower surface of each shelf and a ceiling portion. , A see-through partition plate is hung rotatably in each opening direction.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a perspective view of an open showcase 1 of the present invention, and FIG. 2 is a vertical side view of the open showcase 1 of the present invention. The open showcase 1 is installed in a store, such as a supermarket or a convenience store, and displays products while cooling products for sale. The open showcase 1 is provided above, a ceiling 11 provided with a top plate 5 and heat insulating material, and provided below. The storage room 2 is defined between the bottom plate 14 and the bottom plate 14.

Below the bottom plate 14, there is provided a container-like heat insulating wall 15 which is open upward, and the bottom plate 14 and the heat insulating wall 1 are provided.
5, a bottom duct 10 is formed. Coolers 19, 1 constituting a cooling device are provided in the bottom duct 10.
9 are installed. Reference numeral 18 denotes a blower.

Further, a machine room 3 is provided below the heat insulating wall 15 below the storage room 2, and in the machine room 3, together with the coolers 19, 19, a condenser (not shown), which constitutes a cooling device, is provided. A blower, a compressor, and the like are installed, and constitute a well-known refrigerant circuit.

The storage room 2 is open on three sides.
The product in the storage room 2 can be taken out from the three directions around the storage room 2, thereby promoting the sales of the product. In this case, the joining wall 6 is provided on one side surface of the storage room 2, and the front and rear surfaces of the storage room 2 and the surface facing the joining wall 6 are open.

A plurality of shelves 4... Are provided vertically at predetermined intervals in the storage room 2. Each of the shelves 4. It is formed wider as going down. The storage chamber 2 has a rectangular cross section (square), and has hollow columnar duct members 7, 7 standing at predetermined intervals, and inside the columnar duct members 7, 7. Vertical blow-up ducts 8, 8 are formed respectively.

A ceiling duct 12 is formed in the ceiling 11 below the top plate 5.
Numeral 2 communicates with a bottom duct 10 via both blowing ducts 8,8. A cool air outlet 9 is formed downward at the upper edge (except for the joint wall 6 side) around the opening of the storage room 2, and the cool air outlet 9 communicates with the ceiling duct 12. ing. Further, a cold air inlet 1 is provided at a lower edge of the opening of the storage room 2.
6, the cold air inlet 16 is provided opposite to the cold air outlet 9 provided at the upper edge of the opening,
It communicates with the bottom duct 10.

On the other hand, a plurality of cool air discharge ports 13 are provided on the peripheral side surface of each of the columnar duct members 7 so as to correspond to the upper side of each shelf 4.・ ・
Is in communication with each of the blow-up ducts 8, 8. These cool air discharge ports 13... Blow out a part of the cool air rising in the respective blow-up ducts 8, 8 directly into the storage room 2, and the cool air discharge ports 13. For example, the number is set to a different value.

That is, the number of the cool air discharge ports 13 on each of the columnar duct members 7, 7 facing the direction requiring more cool air in the storage room 2 is increased. For example, FIGS. 1 and 2
In the case of the open showcase 1 described above, the opening side located on the opposite side to the joining wall 6 has a large amount of invasion of outside air, based on the two opening sides facing each other located on both sides of the joining wall 6.
Most need to be cooled. Further, the columnar duct members 7, 7
Since the space is the center of the storage room 2, it is hardly affected by the outside air. Furthermore, the space between the joint wall 6 and the columnar duct member 7 is narrow, and does not require much cool air.

Therefore, in the embodiment, the number of the cool air discharge ports 13 on the side surface of the columnar duct member 7 which is located on both sides of the joint wall 6 and faces the two opposite openings is set as a reference, The number of the side faces facing the opening is larger, the number of the side faces facing between the columnar duct members 7 and 7 is less, and the number of the side faces of the columnar duct member 7 closer to the joint wall 6 is further reduced. You have set.

As described above, the number of the cool air discharge ports 13 of the two columnar duct members 7, 7 facing the direction requiring more cool air in the storage room 2 is increased, and a large amount of cool air is blown out. In addition, since the amount of cool air in the direction that does not require a large amount of cool air is reduced, it is possible to make the temperature of the entire storage room 2 generally uniform.

Next, FIGS. 3 and 4 show the columnar duct members 7, 7 respectively.
A description will be given of another open showcase 1A provided with. In this case, side plates 21 and 21 are provided on both sides of the open showcase 1A, and the front and rear surfaces in the storage room 2 are open. Similarly, inside the storage room 2, columnar duct members 7, 7 which are hollow inside are provided at predetermined intervals. Except for the number of the cool air outlets 9, the other structure is the same as described above.

In this case, a smaller number of cold air discharge ports 13 are provided on the side surfaces of the two columnar duct members 7, 7 facing the side plates 21, 21 than at each opening side, and the two columnar duct members 7 are provided. , 7 are opposed to each other, the cool air is blown out from the cool air discharge ports 13... Of the respective columnar duct members 7, 7, so that the amount of cool air increases. , 21 and the number of the cool air discharge ports 13 provided on the opening side of the storage room 2.

As described above, it is possible to increase the amount of cool air in the portion (opening side) where more cool air is required in the storage room 2 as described above, and to make the temperature in the entire storage room 2 uniform.

Next, FIGS. 5, 6, and 7 show still another embodiment of the open showcase 1A shown in FIGS. 3 and 4. FIG. In this case, partition plates 20 are suspended from each shelf 4... Each partition plate 20 is for preventing outside air from passing through the inside of the storage room 2 from one opening and blowing through to the other opening. , Are suspended so as to be rotatable in the opening directions before and after the storage room 2. The partition plate 20 is suspended from the lower surface of each shelf 4... And the ceiling 11 of the storage room 2, and the lower end is provided at a predetermined distance from each shelf 4. I have.
Thereby, it is configured such that an article on the other opening side can be easily taken out from one opening of the storage chamber 2.

Further, each of the partition plates 20 is made of a flexible synthetic resin such as vinyl chloride or polyester, which is flexible and can be seen through, so that one opening of the storage chamber 2 can be opened from the other opening. Items are visible. Other structures are the same as those in FIGS. 3 and 4 (the cool air discharge port 13 is omitted from the drawings to make the partition plate 20 easy to understand).

As described above, a plurality of partition plates 20 are provided on the lower surface of each shelf 4... In the storage room 2 with the opposing surfaces opened and on the ceiling 11. By partitioning a substantially intermediate portion between one opening side and the other opening side of the storage chamber 2 by these partition plates 20..., The outside air blowing from one opening side of the storage chamber 2 to the other opening side is separated. Intrusion can be prevented. Thereby, the cooling capacity in the storage room 2 can be significantly improved.

Further, since the partition plates 20 are made of a transparent synthetic resin such as vinyl chloride or polyester which can be seen through, the articles displayed from one opening side of the storage room 2 to the other opening side can be visually recognized. Will be able to As a result, it is possible to take out the articles on the other opening side from the one opening side, so that the convenience can be greatly improved and the sales effect can be greatly increased.

In each of the above embodiments, the cooling air discharge amount is adjusted by the opening size of the cooling air discharge port 13. However, the present invention is not limited to this. That is, the same effect can be obtained by increasing the opening size of each of the columnar duct members 7 facing the direction requiring more cool air in the storage room 2 and the cool air discharge ports 13. You can do it.

[0027]

As described above in detail, according to the present invention, a vertical air blow-up duct is formed in an internal hollow column-shaped duct member erected in a storage room, and cool air is blown up from the air blow-up duct and the column-shaped air blow-up duct is formed. In an open showcase where cold air is discharged into the storage chamber from the cool air discharge port formed on the side of the duct, the number of cold air discharge ports or the opening size is set to different values according to the direction of the side of the columnar duct. By increasing the number of the cool air discharge ports of the columnar duct facing the direction in which more is required, or by increasing the opening size, it is possible to increase the amount of cool air directed in the direction.

As a result, it is possible to suppress the occurrence of temperature unevenness in the storage room and realize uniform cooling.

According to the second aspect of the present invention, in addition to the above, the open showcase has openings on at least opposing surfaces, has a plurality of shelves in the storage room, and has a lower surface of each shelf and a ceiling portion. Since the partition plate which can be seen through is suspended so as to be rotatable in each opening direction, it is possible to prevent the invasion of outside air that blows from one opening to the other opening by the partition plate.

Therefore, the cooling capacity in the storage room can be greatly improved, and the partition plate can be seen through, so that the articles on one opening side can be visually recognized from one opening side. Further, since the partition plate is suspended so as to be rotatable in each opening direction, it is also possible to take out the article on the other opening side from one opening, and there is no adverse effect of the partition plate on the sales effect as a whole. Things.

[Brief description of the drawings]

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

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

FIG. 3 is a perspective view of an open showcase according to another embodiment of the present invention.

FIG. 4 is a vertical side view of the open showcase of FIG. 3;

FIG. 5 is a perspective view of an open showcase according to another embodiment of the present invention provided with a partition plate.

FIG. 6 is a front view of the open showcase of FIG. 5;

FIG. 7 is a vertical sectional side view of the open showcase of FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Open showcase 2 Storage room 4 Shelf 7 Column-shaped duct member 8 Blow-up duct 9 Cold air outlet 10 Bottom duct 11 Ceiling part 12 Ceiling part duct 13 Cold air discharge port 14 Bottom plate 15 Heat insulation wall 16 Cold air inlet 18 Blower 19 Cooler 20 Partition Plate 21 Side plate

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshiaki Miyatake 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd. (72) Inventor Masahiro Sakai 2-5-5 Keihanhondori, Moriguchi-shi, Osaka No. 5 Sanyo Electric Co., Ltd. (72) Inventor Harunobu Iguchi 2-5-5 Keihanhondori, Moriguchi-shi, Osaka Sanyo Electric Co., Ltd.

Claims (2)

[Claims] 1. A vertical air blow-up duct is formed in an internal hollow column-shaped duct member erected in a storage chamber, and cool air is blown up from the blow-up duct and a cool air discharge port formed on a side surface of the column-shaped duct member. An open showcase configured to discharge cool air into the storage chamber, wherein the number or the opening size of the cool air discharge ports is different depending on the direction of the side surface of the columnar duct member. 2. The open showcase has openings on at least opposing surfaces, has a plurality of shelves in the storage room, and has a see-through partition plate on the lower surface and the ceiling of each shelf, and has each of said openings. The open showcase according to claim 1, wherein the open showcase is suspended so as to be rotatable in a direction.