JP3071116B2 - Low temperature showcase - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a low-temperature showcase having an air curtain formed in an opening of a storage room.

2. Description of the Related Art Conventionally, a low-temperature showcase of this kind has been installed in a store such as a supermarket.
For example, Japanese Utility Model Publication No. 3-43580 (F25D17 / 0)
8) As shown in 8), a storage room having an opening for taking out goods is provided on the front surface, a duct is formed on the rear surface of the storage room, and cold air that has exchanged heat with a cooler is passed through the duct to the upper portion of the opening. The air curtain is formed in the opening by discharging the cold air from the cold air discharge port toward the cold air suction port below the opening. This air curtain prevents or suppresses outside air from entering through the opening of the storage room, and a part of the cool air circulates in the storage room, and a product such as food displayed in the storage room is refrigerated or frozen in a predetermined manner. It is cooled to a temperature. For example, when a low-temperature showcase is installed at the rear end of a row of showcases (including non-cooled), a so-called gondola end, or when installed in isolation (island installation), etc. In the conventional method in which a duct is formed on the back surface and an air curtain is formed on the front surface, the rear surface of the low-temperature showcase is exposed, which causes a problem in the product display effect. Therefore, if openings are formed in the front and rear surfaces of the storage room, for example, and air curtains are formed in each opening, products can be taken out from the front and rear of the low-temperature showcase, and the product display effect in the installation form as described above. Can be further improved.

However, when a bias is generated in the cold air discharge pressure of the front and rear air curtains,
The strong air curtain disturbs the weak air curtain, thereby causing a problem that the discharge pressure is further unbalanced. In addition, the outside air condition of the low-temperature showcase is not always the same before and after, and when the outside air condition on one opening side is deteriorated, the inconvenience that the outside air entering from the opening penetrates the storage room and flows out from the other opening. Occurs. When such a phenomenon occurs, there is a problem that the cooling capacity in the storage chamber is significantly impaired. The present invention has been made to solve such a conventional technical problem, and can maintain the cooling capacity of the storage chamber even when openings for taking out products are respectively formed on opposing surfaces. It is intended to provide a low-temperature showcase.

The low-temperature showcase of the present invention has storage rooms each having an opening for taking out goods on the opposite surface, and the cooler of the cooling device and the heat exchanger on the surface where no opening is formed. Form a duct that guides the replaced cold air,
By discharging air from the duct to each opening, air curtains are formed in both openings, and a transparent partition plate for partitioning the storage chamber into one opening side and the other opening side is provided. In the low-temperature showcase according to the second aspect of the present invention, the lower portion of the partition plate is attached so as to be movable in each opening direction.

According to the low-temperature showcase of the present invention, since the storage room having the openings on the opposite surfaces is divided into one opening side and the other opening side by the partition plate, the cool air of the air curtain of each opening is formed. Even when the discharge pressure is biased, the weaker air curtain is not disturbed by the stronger air curtain. Accordingly, it is possible to maintain a normal discharge pressure balance of the air curtains at both openings.
In particular, the outside air condition on one opening side is deteriorated, and the outside air entering from the opening can be prevented from penetrating through the storage chamber and flowing out from the other opening. Thus, the cooling performance in the storage room can be generally improved. In addition, a duct is formed on the surface where the opening is not formed, and the partition plate for partitioning the one opening side and the other opening side is transparent, so that products in the storage room from one opening side to the other opening side can also be formed. It can be seen and does not hinder customer's product selection. Further, according to the low-temperature showcase of the second aspect of the present invention, in addition to the above, the lower part of the partition plate is movably mounted in each opening direction, so that a hand is inserted from one opening side, and the partition plate is pushed away to remove the other. It is possible to take out the product in the storage room on the opening side of the product, and it is possible to further facilitate the selection of the product by the customer.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a perspective view of a low-temperature showcase 1 of the present invention, and FIG.
FIG. 3 is a vertical sectional front view of the low-temperature showcase 1, and FIG. In each figure, a low-temperature showcase 1 is a heat insulating wall 2 in the shape of a horizontally long rectangular container opened upward.
And a side heat insulating plate 3 erected on one side in the left-right direction of the heat insulating wall 2, a side plate 4 erected on the other side of the heat insulating wall 2 opposed thereto, and these side heat insulating plates 3 and the side plate 4 comprises a top heat insulating plate 6 laid between the upper ends. Side partition plates 7 are attached to the inside of the side heat insulating plate 3 at intervals. The upper end of the side partition plate 7 has an interval below the top heat insulating plate 6, and the interval between the upper end of the side partition plate 7 and the side plate 4 is below the top heat insulating plate 6. The top partition plate 8 is erected. The lower end of the side partition plate 7 is located slightly below the opening of the heat insulating wall 2, and the space between the lower end of the side partition plate 7 and the side plate 4 is equal to the bottom wall 2 </ b> A of the heat insulating wall 2. And the bottom plate 9 is attached. The space surrounded by the bottom plate 9, the side partition plate 7, the top partition plate 8, and the side plate 4 is a storage room 11. Therefore,
The storage room 11 is provided with openings 12 and 13 on the front surface and the rear surface, respectively, so that the goods in the storage room 11 can be delivered from front and rear. The front and rear surfaces between the side heat insulating plate 3 and the side partition plate 7 are closed by a cover 16, so that the lower side of the bottom plate 9, the outer side of the side partition plate 7, and the upper side of the top partition plate 8. , A series of ducts 17 extending below, to the side and above the storage chamber 11. Further, between the front and rear edges of the top partition plate 8 and the top heat insulating plate 6, the cool air discharge ports 21 and 22 are located at the upper edges of the openings 12 and 13 on the front and rear surfaces of the storage room 11 and extend over substantially the entire width thereof. Are formed between the bottom plate 9 and the front and rear edges of the heat insulating wall 2, and also located at the lower edges of the openings 12 and 13 on the front and rear surfaces of the storage room 11, and the cool air suction ports 23 and 24 over substantially the entire width thereof are provided. Each is formed. And
These cool air discharge ports 21 and 22 and cool air suction ports 23 and 24
Communicates with the duct 17. In the storage room 11, a partition plate 26 made of, for example, transparent glass is attached to a central portion in the front-rear direction from the top partition plate 8 to the bottom plate 9. Thereby, the inside of the storage room 11 is divided into a front opening 12 side and a rear opening 13 side. A plurality of shelves 27 are vertically arranged in the partitioned storage room 11 and the cold air discharge ports 2 are provided.
Fluorescent lamps 28, 28 for illuminating the inside of the storage room 11 are respectively mounted inside 1 and 22. On the other hand, inside the duct 17 outside the side partition plate 7, a cooler 31 of a cooling device is vertically provided, and a duct 17 above the cooler 31 is provided.
A blower 32 for discharge is provided at the inner corner. The inside of the duct 17 below the bottom plate 9 is divided by a duct partition plate 33 into a suction side 17A on the front and rear and side plate 4 side and a discharge side 17B on the center and side heat insulating plate 3 side. 17B is a duct 1 outside the side partition plate 7.
It communicates with 7. And the side plate 4 of the duct partition plate 33
A fan casing 36 is attached to the end on the side, and a blower 37 for suction is attached to the fan casing 36. On the other hand, the machine room 41 is located below the heat insulating wall 2.
Is configured. Front and rear surfaces of the machine room 41 and side plates 4
Grills 42, 43, and 44 each having a slit 46 are attached to the lower side surface. In the machine room 41, a condenser 46 of the cooling device, a compressor (not shown), and a blower 47 for the condenser are installed. Further, an exhaust duct plate 51 is attached to the outer surface of the side heat insulating plate 3 at intervals, and an exhaust duct 52 extending vertically between the exhaust duct plate 51 and the side heat insulating plate 3 is formed. . The upper end of the exhaust duct 52 is open and the lower end communicates with the inside of the machine room 41. The operation of the low-temperature showcase 1 of the present invention having the above configuration will be described. When the compressor is operated, the cooler 31 exerts a cooling action. Then, when each of the blowers 32, 37 and 47 is operated, cool air cooled by heat exchange with the cooler 31 is sucked up from the duct 17 outside the side partition plate 7 as shown by an arrow (thin line) in the figure. It is discharged to the duct 17 above the top partition plate 8 and is distributed in the direction of the side plate 4 as it moves forward and backward. Then, the cold air is discharged from the front and rear cold air outlets 21 and 22 toward the respective cool air suction ports 23 and 24 to the respective openings 12 and 13. A wind direction plate (not shown) is attached to the upper side of the top partition plate 8, whereby the cool air discharge ports 21, 2,
The amount of cool air discharged from 2 is made substantially uniform over its entire width. The cool air discharged to the openings 12 and 13 on the front and rear surfaces is eventually sucked into the cool air suction ports 23 and 24, whereby a cool air curtain is formed in each of the openings 12 and 13. Part of the cool air of the air curtain also circulates in the storage room 11 before and after the partition plate 26, whereby the inside of the storage room 11 is cooled to a predetermined temperature (refrigeration / freezing). The cool air sucked from the cool air inlets 23 and 24 flows into the suction side 17A of the duct 17 below the bottom plate 9 and is sucked by the blower 37. And the ejection side 1
7B and circulates back to the cooler 31. As described above, in the low-temperature showcase 1, the storage room 11 is provided with the openings 12 and 13 on the front and rear surfaces, and the duct 17 is formed on the side of the storage room 11 so as to extend vertically. Since the cool air is distributed to the outlets 21 and 22 and the cool air curtains are formed respectively, when the store is installed at the rear end of the showcase row, that is, at the gondola end, for example, the exhaust duct plate 51 side is adjacent. By making it correspond to the side surface of the showcase, the merchandise in the showcase row can be arranged and the merchandise can be taken out from the front and rear of the storage room 11. Also, in the case of a so-called island installation, the products can be taken out similarly from the front and back, so that the product display effect is significantly improved. In addition, storage room 1
Since the inside 1 is divided into front and rear by the partition plate 26, even when the cold air discharge pressure of the front and rear air curtains is uneven, the weaker air curtain is not disturbed by the stronger air curtain. Therefore, it is possible to maintain a normal discharge pressure balance between the front and rear air curtains. In particular, the outside air condition on one side of the opening 12 or 13 is deteriorated, and the outside air that has entered through the opening can be prevented from penetrating the storage chamber 11 and flowing out of the other opening 13 or 12. Despite doing,
In general, the cooling performance in the storage room 11 can be improved. Further, since the partition plate 26 is transparent, the one opening 12
Alternatively, the product in the storage room 11 on the other opening side from 13 can be seen, and there is no hindrance to the customer's product selection. By the way, when the blower 47 for the condenser is operated, the outside air is sucked from the grill 43 on the rear side, and after the condenser 46 and the compressor are air-cooled, as shown by the arrow (thick line) in the figure, A part or most of the air is discharged from the grill 44 on the side surface, and a part or most of the air flows into the exhaust duct 52, rises inside, and is discharged from the opening at the upper end to above the low temperature showcase 1. Therefore, it is possible to prevent the inconvenience of deteriorating products such as chocolates displayed in a nearby non-cooled showcase due to warm air discharged from the grills 42 and 44. In particular, since the exhaust duct 52 is formed outside the side heat insulating plate 3, the storage room 1 from the warm air (exhaust) passing through the inside is compared with the case where the exhaust duct 52 is formed outside the side plate 4.
1 can be significantly reduced. here,
In the above embodiment, the cooler 31 is installed vertically in the duct 17 outside the side partition plate 7. However, the present invention is not limited to this, and the cooler 31 may be installed in the duct 17 below the bottom plate 9 as shown by a two-dot chain line in the figure. . In the embodiment, the blower 32 for discharge and the blower 37 for suction are provided, but only one of them is provided.
For example, a blower 32 may be provided when the cooler 31 is provided in the duct 17 outside the side partition plate 7, and a blower 37 may be provided when the cooler 31 is provided in the duct 17 below the bottom plate 9. . Further, in the embodiment, the partition plate 26 is formed of a glass plate. However, the partition plate 26 is formed of a plurality of light transparent acrylic plates or the like, and is suspended downward from the top partition plate 8 (a so-called goodwill shape). May be movable in the directions of the openings 12 and 13. According to such a configuration, a hand is inserted from the one opening 12 or 13 side,
It becomes possible to push out the partition plate 26 and take out the product in the storage room 11 on the other opening side, and it is possible to further facilitate the selection of the product by the customer. In the above embodiment, the openings 12 and 13 are formed on the front and rear surfaces of the storage chamber 11,
However, the present invention is not limited to this.

As described above in detail, according to the present invention, the storage room having the openings on the opposing surfaces is divided into one opening side and the other opening side by the partition plate, so that the air in each opening is air-tight. Even when the cold air discharge pressure of the curtain is biased, the weaker air curtain is not disturbed by the stronger air curtain. Accordingly, it is possible to maintain a normal discharge pressure balance of the air curtains at both openings. In particular, the outside air condition on one opening side is deteriorated, and the outside air entering from the opening can be prevented from penetrating through the storage chamber and flowing out from the other opening. Thus, the cooling performance in the storage room can be generally improved. In addition, since the duct is formed on the surface where the opening is not formed, and the partition plate that partitions the one opening side and the other opening side is transparent, the product in the storage room from one opening side to the other opening side is transparent. Can be seen, and there is no hindrance to customer's product selection. Furthermore, according to the invention of claim 2, in addition to the above, since the lower portion of the partition plate is movably mounted in each opening direction, a hand is inserted from one opening side, and the partition plate is pushed away to remove the other opening side. The product in the storage room can be taken out, and the selection of the product by the customer can be further facilitated.

[Brief description of the drawings]

FIG. 1 is a perspective view of a low-temperature showcase of the present invention.

FIG. 2 is a vertical sectional front view of the low-temperature showcase of the present invention.

FIG. 3 is a vertical side view of a low-temperature showcase of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Low-temperature showcase 11 Storage room 12, 13 Opening 17 Duct 21, 22 Cold air discharge port 23, 24 Cold air inlet 26 Partition plate 31 Cooler 32, 37 Blower

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-217178 (JP, A) JP-A-62-56761 (JP, A) JP-A-55-53670 (JP, A) 51684 (JP, A) Japanese Utility Model 1993-19884 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25D 11/00 101 F25D 17/08 319-320

Claims (2)

(57) [Claims] 1. A storage room provided with an opening for taking out a product on an opposing surface, wherein no opening is formed.
A duct that guides cool air that has exchanged heat with the cooler of the cooling device
By forming and discharging from each duct from this duct ,
A low-temperature showcase, wherein air curtains are formed in both openings, and a transparent partition plate is provided for partitioning the storage chamber into one opening side and the other opening side. 2. The low-temperature showcase according to claim 1, wherein the partition plate has a lower portion movably mounted in each opening direction.