JPH04278162A - Cooling and storing device - Google Patents

Abstract

PURPOSE:To keep a storing chamber at such a humidity as one being suitable for storing wine or foods and drinks not preferable for a quite high humidity. CONSTITUTION:A thermal conductive box 3 is disposed in a thermal insulating box 1 with a clearance being left in it. An evaporator 12 and a cold air circulation fan 13 are disposed in a cold air passage 4 formed between the thermal insulating box 1 and the thermal conductive box 3. The thermal conductive box 3 is formed with a discharging small hole 21 and a suction small hole 22 for feeding a part of cold air to be circulated in a cold air passage 4.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention relates to cooling storages such as low-temperature showcases and refrigerators, and the present invention relates to cooling storages such as low-temperature showcases and refrigerators. It relates to cold storage.

0002

[Prior art] As a conventional technology, Utility Model Application No. 60-9388
Publication No. 2 states that an insulating outer box and a thermally conductive inner box are fixedly attached with a certain space between them, and cold air is circulated in the space between the outer box and the inner box to cool the inner box. A refrigerator that indirectly cools the refrigerator compartment by placing a refrigerator evaporator to create cold air and a fan to circulate the cold air in the cold air circulation space between the outer box and the inner box. Disclosed.

0003

[Problems to be Solved by the Invention] Since the conventional refrigerator uses an indirect cooling method, the relative humidity in the refrigerator compartment is maintained at a fairly high level, making it suitable for storing perishable products. If the humidity is high (90% to 100%), the label may peel off or mold may grow on the cork, resulting in a loss of commercial value. However, if the humidity is too low, the cork will dry out and air will circulate, causing the wine to oxidize.

Furthermore, depending on the type of food, there are some foods that do not like the above-mentioned high humidity due to problems such as the growth of mold.

[0005] In view of the problems of the prior art, the present invention provides a cooling storage for maintaining a storage room at a humidity suitable for storing wine or food/drinks that do not like extremely high humidity. It is something.

[0006]

[Means for Solving the Problems] The present invention provides a thermal conductive box which is disposed inside a thermally insulating box having an opening/closing door at the front opening, with a space between the thermally conductive box and the thermally conductive box. In the cooling storage, the inside of the guide box is used as a storage room, and an evaporator and a cold air circulation blower are arranged in the cold air passage between the heat insulation box and the heat guide box to indirectly cool the storage room, A cooling storage is constructed in which a small discharge hole and a small suction hole are formed in the heat conduction box so as to constantly communicate with the cold air passage.

[0007]

[Operation] According to the present invention, by providing the small discharge hole and the small suction hole, a part of the low-humidity cold air circulating in the cold air passage can be introduced into the storage room from the small discharge hole. Become. This allows the humidity in the storage room to be reduced.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The cooling storage according to the present invention will be explained below with reference to the drawings, taking a reach-in type low-temperature showcase as an example. Figure 1 is a longitudinal side view of the low temperature showcase, and Figure 2 is the low temperature showcase.
3 is a partially broken perspective view of the main part of the low temperature showcase, and FIG. 4 is a perspective view of the low temperature showcase.

[0009] 1 is a double-sided glass door 2 at the front opening.
Inside the heat insulating box 1, there is a heat conducting box 3 with an open front made of, for example, a painted thin iron plate, with a distance from the inner wall surface of the heat insulating box 1. It is permanently equipped. This heat conduction box 3 is composed of a top plate 3A, side plates 3B and 3C, a rear plate 3D, and a splittable and removable bottom plate 3E, and is located between the heat insulation box body 1 and the heat conduction box 3. The almost sealed space formed in the cooling air passage 4 is defined as a cold air passage 4, and the space inside the heat conduction box 3 is defined as a storage chamber 5.
It is said that This storage room 5 contains food and drinks, such as wine 6.
A plurality of shelves 7 on which items are placed are removably arranged. On the other hand, in a machine room 8 formed in the lower part of the heat insulating box 1, an electric compressor 9, a condenser 10, a blower 11, etc. of a refrigeration system are arranged.

[0010] Then, the rear plate 3 of the heat insulation box 1 and the heat conduction box 3 is
The electric compressor 9 and the condenser 1 are installed in the cold air passage 4 between D.
An evaporator 12 that constitutes a refrigeration system together with 0 etc. is disposed, and two cold air circulation fans 13 are disposed above the evaporator 12,
Below the evaporator 12, a water tray 15 is provided for collecting the defrosting water dripping from the defrosting water guide plate 14 and disposing it on the lower surface of the bottom plate 3E.
A drain receptacle 16 and a drain pipe 17 are provided. This water tray 15 is arranged to face a large number of small humidifying holes 18 formed in the bottom plate 3E, and the defrosting water from the evaporator 12 is used mostly to supply water to the water tray 15. For this purpose, a ventilation suction hole 19 and a ventilation discharge hole 20 are formed in the rear wall of the heat insulating box 1 to communicate the atmosphere and the cold air passage 4, thereby promoting frost formation on the evaporator 12.

In addition to the small humidifying hole 18 that does not allow direct communication between the cold air passage 4 and the storage chamber 5, the front part of the bottom plate 3E has:
A plurality of small discharge holes 21 for direct communication between the cold air passage 4 and the storage chamber 5 at all times and for introducing a portion of the circulating cold air into the storage chamber 5.
A plurality of small suction holes 22 are formed.

Further, on both sides of the front side of the storage chamber 5, there are fluorescent lamps 2 for indoor lighting surrounded by a fluorescent lamp shade 23.
4 are installed vertically. This fluorescent lamp shade 23 has a lower opening 25 and an upper opening 2 communicating with the cold air passage 4 at the lower and upper ends.
6 is formed, and a part of the circulating cold air is passed through the shade 23, thereby preventing the indoor temperature from rising.

In the above configuration, the cold air heat exchanged in the evaporator 12 is passed through the cold air passage 4 by the cold air circulation fan 13.
is circulated as shown by arrow A to cool the heat conducting box 3. As a result, the air in the storage room 5 is indirectly cooled through the heat conduction box 3. Such an indirect cooling method for the storage room 5 is one of the requirements for maintaining the storage room 5 at high humidity (90% to 100%). Note that the temperature of the storage chamber 5 is controlled at 5°C to 10°C for general wine, and 10°C to 15°C for high-quality wine.

On the other hand, a part of the low-humidity cold air circulating in the cold air passage 4 is introduced into the storage chamber 5 as shown by arrow B by the action of the small discharge hole 21 and the small suction hole 22, and thereby, The humidity in the storage room 5 decreases. Ideally 60%~
It is preferable to reduce the humidity in the storage chamber 5 to 80% or a value close to this. This humidity is suitable for storing wine 6, and can prevent labels from peeling off or mold from forming on the cork, as well as preventing oxidation of wine 6, which is caused by cork drying and air circulation. can be prevented. In addition, due to the circulation of cold air to the storage chamber 5, slight air circulation occurs in the storage chamber 5, thereby making it possible to reduce variations in the temperature of the storage chamber 5. It should be noted that the present invention is suitable for storing foods other than wine 6 that do not like extremely high humidity, and the positions of the small discharge hole 21 and the small suction hole 22 are not limited to the examples. .

[0015]

Effects of the Invention The cooling storage according to the present invention reduces the humidity in the storage room without sacrificing the advantages of high humidity provided by the indirect cooling method (such as prevention of dryness). The humidity can be easily lowered to a level suitable for storage.

Furthermore, since slight air circulation can be generated in the storage compartment, variations in temperature in the storage compartment can be reduced.

[Brief explanation of the drawing]

FIG. 1 is a longitudinal cross-sectional side view of a low-temperature showcase.

FIG. 2 is a longitudinal sectional front view of the low temperature showcase.

FIG. 3 is a partially cutaway perspective view of the main parts of the low-temperature showcase.

FIG. 4 is a perspective view of the low temperature showcase.

[Explanation of symbols]

1　Insulated box body 2 Opening/closing door 3. Heat guide box 4 Cold air passage 5 Storage room 12 Evaporator 13 Cool air circulation fan 21 Small discharge hole 22 Small suction hole

Claims (1)

[Claims] Claim 1: A heat conducting box is disposed within a heat insulating box having an opening/closing door at its front opening, with a space between the heat conducting box and the heat conducting box, and the inside of the heat conducting box is used as a storage room. At the same time, in the cooling storage, an evaporator and a cold air circulation blower are arranged in the cold air passage between the heat insulation box and the heat conduction box, and the storage room is indirectly cooled, the cold air is supplied to the heat conduction box. A cooling storage characterized by forming a small discharge hole and a small suction hole that are always in communication with a passage.