JP2000028248A - Storage cabinet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the occurrence of unevenness in temperature of a stage chamber to the utmost and to ensure sufficient cooling and heating capacity, in a storage housing using a thermo-module formed of a thermoelectric element. SOLUTION: This storage cabinet comprises a heat insulation casing 2 to partition a storage chamber (a display chamber) 3 to store a substance to be cooled; a heat-exchange chamber 12 or 43 partitioned by a heat-insulation material 5 to cool or heat the storage chamber (the display chamber) 3 of the heat- insulation casing 2; a thermomodule 8 arranged in the heat-exchange chamber 12 and formed of a thermoelectric element; an internal radiator positioned on the heat-exchange chamber 12 side of the thermomodule 8; and a blower (a crossflow fan 19 and an indoor circulation fan) to supply cold air or hot air, generated by an internal radiator, to the storage chamber (the display chamber) 3 and effecting short-circle of a part of cold air or hot air to the thermomodule unit 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage using a thermoelectric element, that is, a Peltier element.

[0002]

2. Description of the Related Art Conventionally, this kind of thermoelectric element (Peltier element)
Japanese Patent Application Laid-Open No. 8-200919 (F25D 11/00) discloses an electronic refrigerating refrigerator employing a thermo module of an electronic cooling element in a cooling unit, in which the thermo module is mounted on a wall surface of a cabinet. In addition, a finned heat absorber thermally connected to the heat absorption surface of the thermo module is protruded into the refrigerator and installed, and an exposure tray is arranged below the heat absorber.
An electronic refrigeration system, wherein the lower edge of the fin portion of the heat absorber is obliquely cut so as to be lower from the front end toward the substrate portion on the base side, and a dew tray is arranged below and opposed to the lowermost end thereof. A refrigerator is disclosed.

[0003]

Since the above-mentioned electronic refrigerator is a natural convection type refrigerator, the temperature in the refrigerator tends to be uneven. In order to prevent the temperature unevenness as much as possible, it is conceivable to provide a circulating fan inside the refrigerator. However, when the circulating fan is operated, there is a problem that the capacity becomes insufficient due to the use of the thermoelectric cooling element.

The present invention has been made in view of the above-mentioned problems, and is a storage using a thermo module including a thermoelectric element, which can minimize temperature unevenness in a storage room and sufficiently provide a cooling / heating capability. The purpose was to secure.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, there is provided an insulating box defining a storage chamber for storing an object to be cooled; A heat exchange chamber defined by a heat insulating material for cooling or heating the storage chamber; a thermo module provided in the heat exchange chamber, the thermo module including a thermoelectric element; and an interior located on the heat exchange chamber side of the thermo module. A storage provided with a radiator and a blower that blows cold air or warm air generated by the internal radiator to the storage room and short-cycles a part of the cold air or warm air to a thermo module unit.

As described above, the internal radiator of the thermo module unit is cooled or stored heat to cause a short cycle of the thermo module unit in the heat exchange chamber.
The radiator inside the thermo module unit keeps cool or warm, and gradually becomes low or high temperature, so it is possible to blow air with sufficient cooling or heating temperature to the storage room, and to stably cool or store the storage room. Can be heated.

Further, in the invention according to claim 2, the thermo module unit comprises the thermo module, an internal radiator located on the heat exchange chamber side of the thermo module, and a heat storage element provided between the internal radiator and the thermo module. A storage according to claim 1 comprising:

[0008] As described above, since the internal radiator is provided on the heat exchange chamber side of the thermo module via the heat storage body, the heat storage body is gradually cooled or heated to store heat, and the storage chamber has a sufficient cooling temperature or temperature. It can blow air at the heating temperature,
The storage room can be cooled or heated stably.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of an air heat exchange type flat showcase which is one of storages equipped with the present invention, and FIG. 2 is a plan sectional view of the air heat exchange type flat showcase (A- of FIG. 3). A sectional view), FIG. 3 is a vertical sectional view of an air heat exchange type flat showcase, FIG. 4 is a perspective view of an air heat exchange type refrigerator or freezer which is one of storages, and FIG. 5 is an enlarged view of a thermo module unit. FIG. 6 is a cross-sectional view of an air heat exchange type flat showcase showing another embodiment. FIG. 7 is a vertical cross-sectional view of an air heat exchange type flat showcase showing another embodiment. FIG. 9 is an enlarged view of a main part of an air heat exchange type flat showcase showing another embodiment, FIG. 9 is a circuit diagram of a flat type showcase of a water circulation type,
FIG. 10 is a plan view of a water circulation type flat showcase, and FIG.
Is a perspective view of a showcase for storing high-grade sweets such as cakes, FIG. 12 is a perspective view of a commercial refrigerator or a commercial freezer, and FIG. 13 is a front view of a household refrigerator.

In FIG. 1 to FIG. 3, a product 1 is displayed in a storage room 3 defined by a heat insulating box 2 having an open upper surface.
This is an air heat exchange type flat showcase that takes out products from the opening surface. A thermo-module unit room 4 for cooling or heating the storage room 3 is formed of a heat insulating material 5 at a rear portion of the flat type showcase 1, and a space between the storage room 3 and the thermo-module unit room 4 is provided. Is provided with a back plate 6 having good thermal conductivity. The heat insulating box 2 and the heat insulating material 5 may be made of foamed polyurethane,
It may be formed of styrene foam.

As shown in FIG. 5, the thermo module 7 provided in the thermo module unit chamber 4 is constructed by connecting a number of thermoelectric elements (Peltier elements) in series between two ceramic plates. is there. The thermo module 7 can be adjusted to an arbitrary temperature within a temperature range of -5C to 50C.

And, the above-mentioned thermo module 7
An internal radiator 9 and an external radiator 10 provided on the heat absorbing side and the heat radiating side of the thermo module 7, respectively, constitute a thermo module unit 8. The inner radiator 9 and the outer radiator 10 are made of aluminum and formed in a fin shape.

Here, the internal radiator 9 is provided on the thermo module 7 via a heat storage body 11 formed of an aluminum block material. The internal radiator 9 and the heat storage unit 11 are connected to each other, and the heat storage unit 11 and the thermo module 7 are connected by a heat conductive member such as a heat conductive putty, a heat conductive tape, and a heat conductive grease. The heat conductive putty is obtained by mixing alumina with glue, and the heat conductive tape is obtained by coating a glue containing alumina on the front and back of an aluminum plate. As the heat conductive grease, a product called G747 manufactured by Shin-Etsu Silicone is used.

In the present embodiment, the G747 heat conductive grease is used, which is an oil compound obtained by mixing a metal oxide with a silicone oil as a base oil.
The operating temperature range is -50C to 170C, and the thermal conductivity is 1.
09 (2.6 × 10 ⁻³ ) W / m · ° C. (cal / cm · s)
ec · ° C.) and is in the form of white grease.

The thermo-module unit room 4
A heat exchange chamber 12 communicating with the storage chamber 3 and in which the internal radiator 9 of the thermo module unit 8 is located;
The heat exchange chamber 12 and the heat insulating partition plate 13 are separated,
External radiator 10 of the thermo module unit 8
And a cooling heat chamber 14 in which is located. The thermo module 7 is located in the partition plate 13.

The storage chamber 3 is provided with a bottom plate 16 having a number of vertically elongated suction ports 15, and a circulation passage 17 is formed between the bottom plate 16 and the bottom of the heat insulating box 2.

The back plate 6 is provided with the heat exchange chamber 12.
A discharge port 18 communicating with the discharge port 18 is formed. Further, a cross flow fan 19 extending in the same direction as the longitudinal direction of the flat type showcase 1 is provided at a position facing the discharge port 18, and the cross flow fan 19 is provided in the thermo module unit chamber 4. It is rotationally driven by an electric motor 20 provided in the heat insulating material 5 forming the heat exchange chamber 12.

The back plate 6 and the internal radiator 9
A predetermined gap 12A is formed between the two.

The above-mentioned internal radiator 9 and gap 1
2A, the circulation passage 17, the discharge port 18 of the back plate 6, and the cross flow fan 19 are arranged in such a positional relationship that a short cycle of cool air or warm air can be performed.

For this reason, a part of the cool air or warm air after the heat exchange in the gap 12A undergoes a short cycle in the heat exchange chamber 12, and the heat is stored in the heat storage body 11 by the circulating cool air or warm air and discharged to the storage chamber 3. The cool air or warm air is discharged at a temperature at which the storage room 3 can be sufficiently cooled or heated.

Cool air or warm air that does not undergo a short cycle is discharged to the storage room 3 to cool or heat the displayed products.

As described above, since the heat is stored in the heat storage body 11, it is possible to supply the storage chamber 3 with the discharge cool air or discharge warm air which is stabilized at a desired temperature.

The external radiator 10 of the cooling heat chamber 14
Opposite to the above, three cooling heat outlets 21 are formed in the lateral direction, and the cooling heat outlet 21 is provided with a cooling heat fan 22. The cooling / cooling heat fan 22 is of a discharge type, and an inlet 23 is formed on the left and right sides of the cooling / cooling heat chamber 14. For this reason, the outside air sucked from the intake port 23 passes through the external radiator 10 and
Is discharged from the cooling / heating port 21.

The storage room 3 is provided with a lid 24 made of a transparent acrylic resin.
By providing 4, the goods in the storage room 3 can be seen, and the outflow of cool air or warm air can be prevented. still,
When the product is not displayed, the lid 24 may be formed of foamed polyurethane or styrofoam, as in the case of the heat-insulating box 2 and the heat-insulating material 5 described above.

In FIG. 4, reference numeral 30 denotes a main body of a refrigerator or a freezer, and a heat-insulating door 32 which can be opened and closed is provided on an opening surface of a heat-insulating box 31 having one side opened. However, since the structure of the thermo module unit room 4 is the same as that described above, the description will be given with the same reference numerals.

In this embodiment, two cooling radiation fans 22 are provided on the left and right, and the intake ports 23
On one side. Reference numeral 33 denotes a pedestal supporting the main body 30 of the refrigerator or freezer.

Next, another embodiment of the air heat exchange type flat showcase 1 will be described with reference to FIGS. still,
The same members will be described with the same reference numerals as described above. In the present embodiment, a circulation port 35 is formed at the lower end of the back plate 6 separating the storage chamber 3 and the heat exchange chamber 12, and suction and discharge are performed at the circulation port 35. That is, the heat exchange chamber 12 communicates with the circulation port 35.

In the heat exchange chamber 12, the internal radiator 9 and the heat storage body 11 of the thermo module unit 8 are located, and a predetermined gap 12A is formed between the internal radiator 9 and the back plate 6. Have been. Further, a cross flow fan 19 is provided above the internal radiator 9 and the heat storage body 11.
Reference numeral 9 denotes a rotary motor driven by an electric motor 20 provided in the heat insulating material 5 forming the heat exchange chamber 12 of the thermo module unit chamber 4.

The above-described circulation port 35 of the back plate 6, the internal radiator 9 of the thermo module unit 8, the heat storage body 11, and the cross flow fan 19 are in a positional relationship such that a short cycle of cool air or warm air occurs.

For this reason, in the predetermined gap 12 A formed between the back plate 6 and the internal radiator 9, a part of the cool air or warm air after the heat exchange is short-circuited in the heat exchange chamber 12.

Then, the regenerator 1 is circulated by the circulating cool air or warm air.
1, and the cool air or warm air discharged into the storage room 3 reaches a temperature at which the storage room 3 can be sufficiently cooled or heated.
5 is discharged.

As described above, since the heat is stored in the heat storage body 11, it is possible to supply the storage chamber 3 with the discharge cool air or discharge warm air which is stabilized at a desired temperature.

Next, the water circulation type flat showcase 1 will be described with reference to FIGS. 9 and 10. FIG.

In the case of the water-circulating flat showcase 1, a heat-insulating box 40 having an open top and a heat-exchanging chamber 43 formed at the bottom of the heat-insulating box 40 and partitioned by a storage room 41 and a bottom plate 42. An indoor heat exchanger 44 provided in the heat exchange chamber 43 and having the same function as the above-described internal radiator 9; and an indoor heat exchanger 44 provided near the indoor heat exchanger 44 and provided in the storage chamber 41.
And an indoor circulation fan 45 for circulating the air inside the heat exchange chamber 43 while discharging the air after the heat exchange.

A gap 43A is formed between the wall surface of the heat exchange chamber 43 and the bottom plate 42. The gap 43A, the indoor heat exchanger 44, the indoor circulation fan 45, the suction port 55, the discharge port Reference numeral 56 is provided in such a positional relationship that a short cycle of cold air or warm air occurs.

When cooling the merchandise housed in the water circulation type flat showcase 1, the thermo modules 49, 4
9 is connected to the indoor-side water circulation pipe 47 in a thermally conductive manner.

For this reason, an indoor water circulation pipe 47 is connected to the heat absorption side of the thermo module 49 in a heat conductive manner. The indoor water circulation pipe 47 circulates water to the indoor heat exchanger 44. An inner water circulation pump 46 is provided. The indoor heat exchanger 44 has the same function as the above-described internal radiator 9. Further, an indoor air reservoir 48 is provided in the indoor water circulation pipe 47.

An outdoor water circulation pipe 50 is connected to the heat radiation side of the thermo module 49 in a thermally conductive manner.
The outdoor water circulation pipe 50 includes an outdoor water circulation pump 52 for circulating water to the outdoor heat exchanger 51. The outdoor heat exchanger 51 has the same function as the external radiator 10 described above. Further, an outdoor air reservoir 53 is provided in the outdoor water circulation pipe 50.

In the vicinity of the outdoor heat exchanger 51,
A cross flow fan 54 is provided to promote the heat radiation of the outdoor heat exchanger 51.

The bottom plate 42 is formed with a suction port 55 and a discharge port 56 for communicating the storage chamber 41 and the heat exchange chamber 43, respectively.

The thermo module 49, the indoor heat exchanger 44, the outdoor heat exchanger 51, the indoor water circulating pipe 47 and the outdoor water circulating pipe 50 connecting these, and the thermoelectric water including the circulating water as a heat storage material. This is referred to as a module unit 57.

With the above configuration, when the storage room 41 is cooled, the cold water that has exchanged heat with the heat absorbing side of the thermo module 49 is introduced into the indoor heat exchanger 44 through the indoor side water circulation pipe 47.

As described above, the gap 43A, the indoor heat exchanger 44, the indoor circulation fan 45, the suction port 55, and the discharge port 5
6 is provided in such a positional relationship as to cause a short cycle of cool air, so that a short cycle is formed in the heat exchange chamber 43 by rotating the indoor circulation fan 45. Therefore, the indoor heat exchanger 44 is gradually cooled and accumulates cold, and can discharge cold air having a temperature sufficient to cool the storage room 41, so that the storage room 41 can be stably cooled. it can.

The water after the heat exchange in the indoor heat exchanger 44 passes through the indoor air reservoir 48 of the indoor water circulation pipe 47 and the indoor water circulation pump 46 and is guided to the heat absorbing side of the thermo module 49.

As the heat radiation side of the thermo module 49, the hot water that has exchanged heat in the outdoor water circulation pipe 50 is introduced into the outdoor heat exchanger 51. The hot water introduced into the outdoor heat exchanger 51 radiates heat by the cross flow fan 54, passes through the outdoor air reservoir 53 of the outdoor water circulation pipe 50 and the outdoor water circulation pump 52, and passes through the thermo module 49.
To the heat radiation side.

When the storage chamber 41 is heated, heat is dissipated on the indoor heat exchanger 44 side of the thermo module 49 and heat is absorbed on the outdoor heat exchanger 51 side.

That is, the hot water that has exchanged heat with the heat radiation side of the thermo module 49 is introduced into the indoor heat exchanger 44 through the indoor water circulation pipe 47.

As described above, the gap 43A, the indoor heat exchanger 44, the indoor circulation fan 45, the suction port 55, and the discharge port 5
6 is provided in such a positional relationship that a short cycle of warm air occurs, so that a short cycle is formed in the heat exchange chamber 43 when the indoor circulation fan 45 is rotationally driven. Therefore, the indoor heat exchanger 44 gradually stores heat, can discharge warm air having a temperature sufficient to heat the storage room 41, and can stably heat the storage room 41. .

The water after the heat exchange in the indoor heat exchanger 44 passes through the indoor air reservoir 48 of the indoor water circulation pipe 47 and the indoor water circulation pump 46 and is guided to the heat radiation side of the thermo module 49.

As the heat absorbing side of the thermo module 49, the cold water that has exchanged heat in the outdoor water circulation pipe 50 is introduced into the outdoor heat exchanger 51. The cold water introduced into the outdoor heat exchanger 51 absorbs heat by the cross flow fan 54, that is, cools down, and the outdoor air reservoir 53 of the outdoor water circulation pipe 50.
And, it is led to the heat absorption side of the thermo module 49 through the outdoor water circulation pump 52.

Both the air heat exchange type and the water circulation type thermo-module unit 8 or 57 described above are compatible with existing products, for example, the high-grade confectionery showcase 6 shown in FIG.
1, a commercial refrigerator (commercial freezer) 71 shown in FIG.
It may be used for any of the home refrigerators 81 shown in FIG.

A display room 62 shown in FIG. 11 is provided with a plurality of shelves 63 for displaying high-grade Western confectionery. A front transparent glass 67 formed into a curved surface is provided at the front of the display room 62, and a side transparent glass 68 is provided at a side end thereof. And a heat insulating plate 66 formed of a heat insulating material is provided on the top surface. Further, a machine room 64 in which the above-mentioned thermo-module unit 8 or 57 is stored is provided below the above-mentioned display room 62.

A commercial refrigerator 71 shown in FIG. 12 includes a water circulation type thermo module unit 57, and has a storage room 72 having a plurality of mesh shelves 75 therein, and a heat insulating box defining the storage room 72. 73 and a double-door insulated door 74 for opening and closing the front opening of the heat-insulating box 73.
And a machine room 76 provided on the heat-insulating box 73.

In the machine room 76, the outdoor heat exchanger 51,
An outdoor water circulation pipe 50 and an outdoor water circulation pump 52 are provided. Incidentally, reference numeral 77 denotes an electrical box for controlling the thermo module unit 57.

Although the commercial refrigerator 71 has been described above using the water circulation type, an air heat exchange type thermo module unit 8 may be used.

A home refrigerator 81 shown in FIG. 13 is provided with a heat-insulating opening / closing door 82 which can be opened and closed in a refrigerating compartment formed at the upper part of the front surface, and three drawer doors 83, 84 and 85 are provided thereunder. Of the drawer doors 83, 84, 85, the upper drawer door 83 is a vegetable room, the middle drawer door 84 is an ice temperature room, and the lower drawer door 85 is a freezing room.

In the case of the home refrigerator 81, the thermo module unit 8 or 57 is provided at the lower rear part of the main body.

As described above, according to the first aspect of the present invention, the storage rooms (display rooms) 3, 4 for storing the objects to be cooled.
Heat-insulating boxes 2, 31, 40 defining 1, 62, 72;
Storage rooms (display rooms) 3, 4 of the heat-insulating boxes 2, 31, 40
A heat exchange chamber 12 or 43 defined by a heat insulating material 5 for cooling or heating the first, 62, and 72, and a thermo module 7 provided in the heat exchange chamber 12 or 43 and including a thermoelectric element.
Or 49, an internal radiator (indoor heat exchanger 44) 9 located on the heat exchange chamber 12 or 43 side of the thermomodule 7 or 49, and an internal radiator (indoor heat exchanger 44)
The cool air or warm air generated by 9 is stored in the storage room (display room).
A storage unit having a blower (cross flow fan 19, indoor circulation fan 45) that blows air to 3, 41, 62, and 72 and short-cycles a part of the cool air or warm air to the thermo module unit 8 or 57, for example, a flat type. Showcase 1, refrigerator or freezer 30, luxury confectionery showcase 61, commercial refrigerator or freezer 71, household refrigerator 8
1 and so on.

As described above, the radiator (indoor heat exchanger 44) 9 of the thermo-module unit 8 or 57 is stored or cooled in order to cause a short cycle in the heat-exchange chamber 12 or 43. Since the radiator (indoor heat exchanger 44) 9 of the thermo module unit 8 or 57 is kept cool or warm, and gradually becomes low or high temperature, the storage room (display room)
It is possible to blow air at a sufficient cooling temperature or heating temperature to 3, 41, 62, 72, and the storage rooms (display rooms) 3, 41, 6
2, 72 can be cooled or heated stably.

Therefore, even in a storage using the thermo module 7 or 49, for example, a flat type showcase 1, a refrigerator or a freezer 30, a high-grade confectionery showcase 61, a commercial refrigerator or a freezer 71, a home refrigerator 81, etc. It is possible to prevent temperature irregularities in the storage rooms (display rooms) 3, 41, 62, and 72, and to ensure sufficient cooling / heating capability.

According to the second aspect of the present invention, the thermo module unit 8 or 57 is
9 and an internal radiator (indoor heat exchanger 4) located on the heat exchange chamber 12 or 43 side of the thermo module 7 or 49.
4) 9 and the heat storage body 1 provided between the internal radiator (indoor heat exchanger 44) 9 and the thermo module 7 or 49
1 (including water), for example, a flat-type showcase 1, a refrigerator or a freezer 30, a high-quality confectionery showcase 61, a commercial refrigerator or a freezer 71, a household refrigerator 81, and the like. .

As described above, since the internal radiator (indoor heat exchanger 44) 9 is provided on the heat exchange chamber 12 or 43 side of the thermo module 7 or 49 via the heat storage body 11 (including water), the heat storage body 11 ( (Including water) is gradually cooled or heated to store heat, and the storage rooms (display rooms) 3, 41, 6
Ventilation at a sufficient cooling temperature or heating temperature can be performed to 2, 72, and the storage rooms (display rooms) 3, 41, 62, 72 can be cooled or heated stably.

Therefore, even in a storage using the thermo module 7 or 49, for example, a flat type showcase 1, a refrigerator or a freezer 30, a high-grade confectionery showcase 61, a commercial refrigerator or a freezer 71, a home refrigerator 81, etc. It is possible to prevent temperature irregularities in the storage rooms (display rooms) 3, 41, 62, and 72, and to ensure sufficient cooling / heating capability.

[0065]

As described above in detail, according to the first aspect of the present invention, the heat insulating box defining the storage room for storing the object to be cooled, and the storage room of the heat insulating box is cooled or heated. A heat exchange chamber defined by a heat insulating material, a thermo module provided in the heat exchange chamber and comprising a thermoelectric element, an internal radiator located on the heat exchange chamber side of the thermo module, and the internal radiator. There is provided a storage provided with a blower that blows generated cool air or warm air to the storage room and short-cycles a part of the cool air or warm air to a thermo module unit.

As described above, since the thermo module unit is short-cycled in the heat exchange chamber, the radiator inside the thermo module unit is cooled or stored.
The radiator inside the thermo module unit keeps cool or warm, and gradually becomes low or high temperature, so it is possible to blow air with sufficient cooling or heating temperature to the storage room, and to stably cool or store the storage room. Can be heated.

Therefore, even in the case of a storage using a thermo module, it is possible to prevent temperature unevenness in the storage room and sufficiently secure the cooling / heating ability.

According to the second aspect of the present invention, the thermo module unit includes the thermo module, an internal radiator located on the heat exchange chamber side of the thermo module, and a heat storage body provided between the internal radiator and the thermo module. A storage according to claim 1 comprising:

As described above, since the internal radiator is provided on the heat exchange chamber side of the thermo module via the heat accumulator, the heat accumulator is gradually cooled or heated to accumulate heat. It can blow air at the heating temperature,
The storage room can be cooled or heated stably.

Therefore, even in the case of a storage using a thermo module, it is possible to prevent the temperature unevenness of the storage room and sufficiently secure the cooling / heating ability.

[Brief description of the drawings]

FIG. 1 is a perspective view of an air heat exchange type flat showcase which is one of storages equipped with the present invention.

FIG. 2 is a cross-sectional view (a cross-sectional view along AA in FIG. 3) of an air heat exchange type flat showcase.

FIG. 3 is a vertical sectional view of an air heat exchange type flat showcase.

FIG. 4 is a perspective view of an air heat exchange type refrigerator or freezer which is one of storages.

FIG. 5 is an enlarged sectional view of a thermo module unit.

FIG. 6 is a cross-sectional plan view of an air heat exchange type flat showcase showing another embodiment.

FIG. 7 is a longitudinal sectional view of an air heat exchange type flat showcase showing another embodiment.

FIG. 8 is an enlarged view of a main part of an air heat exchange type flat showcase showing another embodiment.

FIG. 9 is a circuit diagram of a flat type showcase of a water circulation type.

FIG. 10 is a plan view of a water circulation type flat showcase.

FIG. 11 is a perspective view of a showcase for storing high-grade sweets such as cakes.

FIG. 12 is a perspective view of a commercial refrigerator or a commercial freezer.

FIG. 13 is a front view of a home refrigerator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Storage (flat type showcase) 2 Insulated box 3 Storage room 5 Insulation material 8 Thermo module 8 Thermo module unit 9 Internal radiator 11 Heat storage unit 12 Heat exchange room 12A Gap 19 Blower (cross flow fan) 30 Storage (refrigerator or freezer) 31) Insulated box 36 Temperature sensor 40 Insulated box 41 Storage room 43 Heat exchange room 43A Gap 44 Indoor heat exchanger 45 Blower (indoor circulation fan) 49 Thermo module 57 Thermo module unit 61 Storage (high-grade confectionery showcase) 62 Display Room 71 Storage room (commercial refrigerator and freezer) 72 Storage room 81 Home refrigerator

Claims (2)

[Claims] 1. A heat insulating box defining a storage room for storing an object to be cooled, and a heat exchange chamber defined by a heat insulating material for cooling or heating the storage room of the heat insulating box. Provided in the heat exchange chamber, a thermo module made of a thermoelectric element, an internal radiator located on the heat exchange chamber side of the thermo module, and blowing cold or warm air generated by the internal radiator to the storage chamber, A storage, comprising: a blower that causes a short cycle of a part of cold air or warm air to a thermo module unit. 2. A thermo-module unit comprising: a thermo-module; an internal radiator located on the heat exchange chamber side of the thermo-module; and a heat storage element provided between the internal radiator and the thermo-module. A storage according to claim 1.