KR101072701B1 - Refrigerator used for kimchi - Google Patents

Abstract

The present invention relates to a kimchi refrigerator, and more particularly to a kimchi refrigerator that is easy to install a refrigerant pipe.

Kimchi refrigerator according to the present invention, the outer casing (100) to form an external appearance, the inner casing (300) provided in the interior of the outer casing 100 is stored various foods such as kimchi, and the inner casing ( It is configured to include a refrigerant pipe 330 is installed in the 300 to absorb heat, the refrigerant pipe 330 is characterized in that provided on the surface facing each other, the inner casing 300 has a bottom appearance It is characterized in that it comprises a bottom panel 310 to be formed, and the side panel 320 is formed upward along the edge of the bottom panel 310 to form a storage space therein. In addition, the coolant pipe 330 is characterized in that formed on the opposite sides of the left, right or before and after, the coolant pipe 330 is characterized in that it is formed in a series connection method connected to each other. Kimchi refrigerator configured in this way has the advantage that the productivity is improved by the easy installation of the refrigerant pipe.

Kimchi Refrigerator, Inner Casing, Refrigerant Pipe, Side Panel, Connector

Description

Kimchi Refrigerator {Refrigerator used for kimchi}

1 is a schematic perspective view showing a conventional kimchi refrigerator according to the prior art.

Figure 2 is a schematic side cross-sectional view showing the inside of a conventional kimchi refrigerator according to the prior art.

Figure 3 is a schematic perspective view showing the inner casing of the kimchi refrigerator according to the prior art.

Figure 4 is a schematic perspective view showing a kimchi refrigerator employing a preferred embodiment of the present invention.

Figure 5 is a schematic side cross-sectional view showing the inside of the kimchi refrigerator employing a preferred embodiment of the present invention.

Figure 6 is a schematic perspective view showing the inner casing which is the main component of the kimchi refrigerator according to the present invention.

Figure 7 is a schematic plan view showing the inner casing which is the main configuration of the kimchi refrigerator according to the present invention.

Explanation of symbols on the main parts of the drawings

100: outer casing 110: handle

200: control unit 210: operation button                 

220: display unit 230: temperature unit

300: inner casing 310: bottom panel

320: side panel 330: refrigerant pipe

332: lower entrance 334: upper exit

336: connector 338: upper entrance

340: heater 350: foam insulation

400: machine room 410: compressor

420: condenser 430: capillary tube

440: Micom 500: Top cover

T: Tape

The present invention relates to a kimchi refrigerator, and more particularly to a kimchi refrigerator that is easy to install a refrigerant pipe.

Refrigerator is a device for the purpose of low-temperature storage of food, it feels cold when you drop the alcohol in your hand and blow it with your mouth, it is a refrigerator using this principle.

The principle of the refrigerator is that the refrigerant gas compressed in the compressor is cooled as it passes through the condenser, and the cooled refrigerant gas passes through the capillary again to become a low-temperature, low-pressure liquefied gas. The liquefied gas is phase-converted to a gas in the evaporator, which takes away the surrounding heat in a large amount and lowers the internal temperature of the refrigerator to a low temperature.

The gaseous refrigerant gas is returned to the compressor to repeat this operation to maintain the internal temperature of the refrigerator at a low temperature. Refrigerant, a working fluid that transfers heat, mainly uses freon gas. Since these freon gas destroys the ozone layer and causes air pollution, a gas is being developed to replace it.

In addition, since a typical refrigerator repeats cooling for a certain period of time, the temperature difference inside the refrigerator is severely generated. Therefore, Kimchi refrigerator was developed for the purpose of storing only Kimchi, Korean traditional food, in the refrigerator.

Kimchi's science starts with traditional kimchi storage. This is because the temperature in the ground is constant to maintain the freshness of kimchi. In other words, the secret of kimchi is stored between 5 ℃, which is the temperature in the end of November, and 1 ℃, which is the temperature in the winter.

A typical refrigerator opens and closes dozens of times a day. In addition, in a general refrigerator, when the internal temperature rises, the refrigerant circulates for a predetermined time, thereby lowering the temperature, thereby causing a severe temperature change inside the refrigerator. By solving this problem, the inside of the Kimchi refrigerator with the precise temperature control and airtightness maintains a constant temperature of 0-1 ° C.

In other words, the Kimchi refrigerator is formed in the front open type (drawer type) or the top open type (lid type) is manufactured to maintain a constant internal temperature of the refrigerator because the cold air does not leak to the outside even when the door is opened. Therefore, the biggest factor that distinguishes it from the normal refrigerator is the ability to control the cold air inside the refrigerator. In recent years, various kinds of products for keeping various foods such as fruits, vegetables, and meats in a fresh state have appeared.

Hereinafter, with reference to the drawings will be described for example the top open type (lid) kimchi refrigerator.

Figure 1 is a schematic perspective view showing a conventional kimchi refrigerator according to the prior art, Figure 2 is a schematic side cross-sectional view showing the interior of the conventional kimchi refrigerator according to the prior art. In addition, Figure 3 is a schematic perspective view showing the inner casing of the kimchi refrigerator according to the prior art.

According to this, the kimchi refrigerator is formed of an outer casing 10 having an open top surface and forming an outer appearance of the bottom and side surfaces, and an upper cover 20 for selectively shielding the upper surface of the outer casing 10. do. That is, the outer cover 10 is shielded on the outer casing 10 to form the outer appearance of the kimchi refrigerator.

The outer casing 10 and the upper cover 20 are fastened by a predetermined hinge provided at one side of the outer casing 10 so that the upper cover 20 rotates up and down, and selectively shields the outer casing 10. Done. In addition, both sides of the outer casing 10 is provided with a handle 14 to move the kimchi refrigerator to a relatively long distance, or to grip when installing the kimchi refrigerator.

The bottom of the outer casing 10 may be provided with a wheel to facilitate a relatively close distance, or may be provided with a support 16 for adjusting the height instead of the wheel.

In addition, various operation buttons for allowing a user to control the operation of the kimchi refrigerator are formed on one side of the front upper side of the outer casing 10, and a control unit 12 including a display unit for displaying an operation state or temperature is provided. .

Inside the outer casing 10 is an inner casing 30 for storing various foods, such as kimchi, and formed below the inner casing 30 to implement a refrigeration cycle required for cooling the inside of the kimchi refrigerator The machine room 40 provided with various cooling apparatuses is formed.

The inner casing 30 is molded using an aluminum material having excellent thermal conductivity. Aluminum (Al) is a silvery white soft metal with excellent malleability and ductility. In addition, a coolant pipe 32 is wound around the outer circumferential surface of the inner casing 30 so that a coolant, which is a working fluid for moving heat, flows into the coolant pipe 32. The refrigerant flowing in the refrigerant pipe 32 is heat exchanged with air around the inner casing 30, so that the inside of the inner casing 30, that is, the inside of the kimchi refrigerator, can maintain a low temperature state.

In other words, the refrigerant pipe 32 through which the refrigerant, which is a working fluid for moving heat, flows is formed while being wound along the outer circumferential surface of the inner casing 30 in which various foods such as kimchi are stored. The refrigerant pipe 32 substantially acts as an evaporator, and the refrigerant, which is a working fluid for moving heat, circulates along the refrigerant pipe 32 to exchange heat with ambient air of the inner casing 30.

In addition, a heater 34 is formed to be wound along the outer circumferential surface under the outer circumferential surface of the inner casing 30. The heater 34 is provided to dissipate a predetermined heat to provide a suitable temperature for the ripening of kimchi stored in the inner casing 30, the upper end of the inner casing 30 from the inner peripheral surface to the outer peripheral surface horizontally It is shaped into a roughly “┌” shape.

Meanwhile, the machine room 40 includes a compressor 42 for forming a refrigerant at a high temperature and high pressure, a condenser (not shown) for condensing the refrigerant discharged from the compressor 42, and a refrigerant discharged from the condenser. A capillary tube (not shown) for converting to a state of low temperature and low pressure is provided.

The coolant, which is in a low temperature and low pressure state by the capillary tube, is circulated along the coolant tube 32, and heat exchanges with the surrounding air of the inner casing 30. As the heat exchanged refrigerant is introduced into the compressor 42 again, the refrigerating cycle as described above, that is, the compressor → condenser → capillary tube → refrigerant tube → compressor is repeated, thereby maintaining the internal temperature of the Kimchi refrigerator at a low temperature. .

However, the kimchi refrigerator configured as described above has the following problems.

The inside of the kimchi refrigerator is provided with an inner casing 30 for storing various foods such as kimchi, and a refrigerant pipe 32 through which a refrigerant, which is a working fluid for moving heat, flows inside the outer casing 30 of the inner casing 30. Is formed. Various foods such as kimchi are housed in the inner casing 30.

When the coolant pipe 32 is formed by winding the coolant pipe 32 several times on the upper half of the outer circumferential surface of the inner casing 30, the coolant is exchanged with the ambient air of the inner casing 30 to make the inner casing 30. The temperature of the temperature is changed to low temperature.

As described above, the inner casing 30 formed by winding the refrigerant pipe 32 several times on the outer circumferential surface has a problem in that the installation of the refrigerant pipe 30 becomes difficult. In addition, the difficulty in installing the refrigerant pipe 32, there is a problem that the productivity of the product is reduced, the production efficiency is lowered.

An object of the present invention for solving the above problems is to provide a kimchi refrigerator that is easy to install the refrigerant pipe to improve the productivity of the product.

Kimchi refrigerator according to the present invention for achieving the above object, the outer casing to form an external appearance, the inner casing provided in the interior of the outer casing to store various foods such as kimchi, and installed in the inner casing It has a configuration including a refrigerant pipe that absorbs heat, characterized in that the refrigerant pipe is provided on the surface facing each other.

The inner casing is characterized in that it comprises a bottom panel to form a bottom appearance and a side panel formed upwardly along the edge of the bottom panel to form a receiving space therein.                     

The refrigerant pipe is characterized in that it is formed on the surface facing each other left, right or before.

The refrigerant pipe is characterized in that it is formed in a series connection method connected to each other.

Kimchi refrigerator configured in this way has the advantage that the productivity is improved by the easy installation of the refrigerant pipe.

In general, the kimchi refrigerator is provided with a heater that emits a predetermined heat so as to maintain a suitable temperature during the ripening of kimchi, and components for implementing a refrigeration cycle for maintaining a constant low temperature state during storage. In the kimchi refrigerator, two processes are performed. First, when new kimchi is stored inside the kimchi refrigerator, a series of ripening processes are performed to provide a suitable temperature for ripening. This aging process is a process of maintaining a temperature suitable for the ripening of kimchi by the heat of the heater.

When the aging of kimchi is completed through the aging process, a storage process for storing kimchi is performed by the operation of the components implementing the refrigeration cycle. This storage process is a process of maintaining an appropriate low temperature state to prevent the deterioration of kimchi by circulating a refrigerant which is a working fluid that moves heat using a refrigeration cycle.

Through these two processes, Kimchi refrigerator will be able to store foods such as kimchi that are kept inside freshly for a long time.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment according to the present invention will be described in detail by taking a top-opening (lid) kimchi refrigerator for example.                     

Figure 4 is a schematic perspective view showing a kimchi refrigerator employing a preferred embodiment of the present invention, Figure 5 is a schematic side cross-sectional view showing the inside of the kimchi refrigerator employing a preferred embodiment of the present invention. It is. 6 is a schematic perspective view of an inner casing which is a main component of the kimchi refrigerator according to the present invention, and FIG. 7 is a schematic plan view of an inner casing which is a main component of the kimchi refrigerator according to the present invention.

According to this, the kimchi refrigerator is provided with an outer casing 100 in the form of a rectangular box with an upper surface open while forming the exterior of the side and the bottom. An upper cover 500 for selectively shielding the opened upper surface is formed on the upper surface of the outer casing 100. The outer casing 100 and the top cover 500 are fastened by a predetermined hinge to selectively shield the top surface while rotating up and down. That is, the upper cover 500 shields the upper surface of the outer casing 100 to form the outer appearance of the kimchi refrigerator.

On the upper side of the outer casing 100, various operation buttons 210 for controlling the operation of the kimchi refrigerator, the display unit 220 indicating the operation state, and performs the function of adjusting the internal temperature of the kimchi refrigerator, The control unit 200 is provided with a temperature unit 230 and the like indicating the internal temperature.

Inside the outer casing 100 is provided with an inner casing 300 for storing various foods such as kimchi. The inner casing 300 is formed of a bottom panel 310 forming a bottom appearance and a side panel 320 upwardly formed along an edge of the bottom panel 310, and formed by the side panel 320. Shaped to form a storage space in the.

The inner casing 300 is molded of ABS resin, which is a high molecular compound. The ABS resin is a thin ivory polymer compound, and its chemical name is Acrylonitrile Butadiene Styrene terpolymer, which is a mixture of acrylonitrile, butadiene, and styrene. Means a new compound produced by. Therefore, it means a new polymer compound (Terpolymer) formed by remixing different polymer compounds.

In addition, ABS resin (ABS) resin is excellent in mechanical properties, electrical properties, chemical resistance, etc. can be applied to almost all processing techniques and machining, such as extrusion molding, injection molding, vacuum molding. It has a very strong property against water-soluble acids and alkalis. ABS resin is used in the manufacture of housings, office equipment, etc. of home appliances. Recently, a technology for plating ABS resin has been developed and applied as a substitute for metal.

In addition, ABS resin is a compound that is widely utilized due to its excellent mechanical properties such as tensile strength and flexural strength and formability, and can be thinly formed in the thickness of the wall formed inside the refrigerator. It has the advantage of getting bigger.

The inner casing 300, which is formed of ABS resin, is formed in the form of an integrated rectangular box in which the bottom panel 310 and the side panel 320 are integrally formed by injection molding, and the upper surface thereof is opened. .                     

On the other hand, on both outer peripheral surfaces of the inner casing 300, a refrigerant pipe 330 through which a refrigerant for moving heat flows is formed. The refrigerant pipe 330 is formed on the outer circumferential surface of the inner casing 300, that is, the outer surface of the side panel 320, and the refrigerant and the inner casing 300, which are working fluids for moving heat flowing in the refrigerant pipe 330. Ambient air is exchanged to heat the temperature around the inner casing 300 to a low temperature.

The refrigerant pipe 330 is formed on the outer surface of the side panel 320 on the left and right sides or the front and rear surfaces. That is, the coolant pipes 330 are molded at positions facing each other, and the shape to be molded is shaped into a zigzag shape.

For example, the refrigerant pipe 330 is formed on the left side and the right side, for example, the refrigerant pipe 330 formed on the left side of the side panel 320 in a zigzag shape vertically or horizontally. The refrigerant pipe 330 acts as an evaporator as the refrigerant flows upward from the lower inlet 332 through which the refrigerant, which is a working fluid for moving heat, is introduced. Therefore, the refrigerant, which is a working fluid for moving heat introduced into the refrigerant pipe 330, moves upward and exchanges heat with ambient air on the left side of the inner casing 300.

In addition, the refrigerant circulated while moving upward is a refrigerant pipe 330 formed on the right side through a connection pipe 336 connecting the refrigerant pipe 330 formed on the left side and the refrigerant pipe 330 formed on the right side. Flows into. The refrigerant, which is a working fluid for moving heat introduced into the refrigerant pipe 330 formed on the right side through the connection pipe 336, flows along the refrigerant pipe 330 formed on the right side, and the right side of the inner casing 300. It will exchange heat with the ambient air.

In addition, the lower inlet 332 is connected to a capillary tube 430 to be described below provided inside the machine room 400, and the refrigerant gas discharged from the capillary tube 430 in the form of low-temperature, low-pressure liquefied gas is introduced. It is formed to be. That is, the refrigerant gas discharged from the capillary tube 430 in the form of low temperature and low pressure liquefied gas flows into the lower inlet 332 and circulates upward, and through the upper outlet 334 of the refrigerant tube 330. It is discharged to the connecting pipe 336.

The refrigerant gas flowing into the connection pipe 336 flows to the upper inlet 338 of the refrigerant pipe 330 formed on the right side through the inside of the connection pipe 336. The refrigerant flowing into the upper inlet 338 of the refrigerant pipe 330 formed on the right side is circulated downward along the refrigerant pipe 330 formed in a zigzag shape, and circulates downward while surrounding the right side of the inner casing 300 right side. Heat exchange with air.

The refrigerant pipe 330 is formed on the left and right sides of the side panel 320 of the inner casing 300, may be directly installed on the outer surface of the side panel 320, the refrigerant pipe 330 is installed on a separate panel Next, a method in which the panel in which the refrigerant pipe 330 is installed is attached to the side panel 320 of the inner casing 300 may be installed.

The refrigerant gas that is heat exchanged while circulating downward along the refrigerant pipe 330 is discharged to a lower outlet (not shown) of the refrigerant pipe 330 and is provided in the inside of the machine room 400. 410 flows into the interior.

As such, the refrigerant flowing in the refrigerant pipe 300 formed on the left and right sides and the ambient air of the inner bouquet casing 300 are heat-exchanged to change the ambient temperature of the inner casing 300 to a low temperature. When the ambient temperature of the inner casing 300 is changed to a low temperature, the inner temperature of the inner casing 300 is changed to low temperature, and thus, the overall temperature inside the kimchi refrigerator is formed at a low temperature.

That is, when the temperature of the left and right sides of the inner casing 300 is changed to a low temperature by the refrigerant pipes 330 formed on the left and right sides of the inner casing 300, the convection is one of three transfer processes of heat. As a result, the temperature of the inner casing 300 is cooled down as a whole.

Convection is one of the three transfer processes of heat together with conduction and radiation, and refers to a phenomenon in which a fluid moves up and down due to heat, and the fluid is evenly transferred throughout. That is, when the fluid is partially cooled and the temperature is lowered, the portion condenses and becomes lower because of the higher density, and instead, the lower temperature is higher and the lower density is raised.

By repeating this process, the transfer of heat by the movement of the material itself is convection, with the result that the fluid is cooled from above. Putting the ice in the refrigerator on the high side and the heater on the low side takes advantage of this convection effect.

When the refrigerant, which is a working fluid that moves heat flowing inside the refrigerant pipe 330, and the surrounding air of the inner casing 300 are heat exchanged to change the temperature of the inner casing 300 to a low temperature, the kimchi refrigerator Since the internal temperature is formed at a low temperature, various foods such as kimchi stored inside can be stored at a low temperature.

On the other hand, the lower portion of the inner casing 300 side panel 320 is formed by winding the heater 340 for dissipating a predetermined heat to provide a temperature suitable for the ripening of kimchi. The ambient air of the inner casing 300 is warmed by a predetermined heat generated by the heater 340 to increase the internal temperature of the kimchi refrigerator.

As the internal temperature rises due to the divergence of the heater 340, the internal temperature rises evenly by convection, which is one of the heat transfer processes of the air, as in the cooling. That is, when the fluid is partially heated to increase the temperature, the portion expands and the density decreases, so that buoyancy is generated and rises up, and instead, the lower temperature and the higher density come down. By repeating this process, heat is transferred by the material's own movement, resulting in the fluid warming up from the top.

In addition, the outer circumferential surface of the heater 340 formed by being wound around the coolant pipe 330 formed on the left and right sides of the inner casing 300 and the inner casing 300, that is, the coolant pipe 330 and the heater ( The other surface other than the surface of the inner surface of the 340 in contact with the side panel 320 of the inner casing 300 is taped with a tape T formed of silver foil or aluminum.

This taping is to prevent the deformation of the foam insulation (350) provided between the inner casing 300 and the outer casing 100, the side panel 320 and the refrigerant pipe 330 and the inner casing (300) This is to improve the heat exchange efficiency by preventing air leakage by further sealing the heater 340.

The foam insulation 350 is filled to the outside of the inner casing 300, that is, between the inner casing 300 and the outer casing 100 to serve as a heat insulating material. The foam insulation 350 serves to block heat from flowing into the interior from the outside of the kimchi refrigerator, and to block cold air from flowing out. Therefore, the foam insulation 350 is filled so that the inside of the kimchi refrigerator can be sufficiently insulated from the outside.

In addition, the lower side of the inner casing 300 is formed with a machine room 400 is built a plurality of parts for implementing the refrigeration cycle of the kimchi refrigerator. The machine room 400 is provided with a compressor 410 that exchanges heat with ambient air of the inner casing 300 to compress the vaporized refrigerant gas discharged from the lower outlet (not shown) to a high temperature and high pressure. The refrigerant compressed by the compressor 410 at a high temperature and high pressure is condensed at a low temperature and low pressure while passing through the condenser 420 provided on the side of the compressor 410.

The refrigerant condensed at a low temperature and low pressure while passing through the condenser 420 is converted into a low temperature and low pressure liquefied gas shape while passing through the capillary tube 430. In addition, the refrigerant condensed into the low temperature and low pressure liquefied gas shape by the capillary tube 430 is circulated along the refrigerant pipe 330 formed on the left and right sides of the side panel 320 of the inner casing 300. Heat exchange with the air around the casing (300).

As such, the refrigerant evaporated to a low-temperature or low-pressure state is repeatedly refrigerated cycle flowing into the compressor 410, and thus the temperature inside the inner casing 300, that is, the internal temperature of the kimchi refrigerator, is changed to a low temperature state. Will be maintained.

In addition, the inner side of the machine room 400 is provided with a microcomputer (MICOM, 440) for controlling the operation of the kimchi refrigerator. The MICOM (440) maintains the internal temperature of the kimchi refrigerator at an appropriate temperature by controlling the driving of the compressor 410 and the heater 340 by recognizing the internal temperature of the kimchi refrigerator.

Hereinafter, look at the operation of the kimchi refrigerator configured as described above.

When the power is applied after storing foods such as kimchi in the storage space provided inside the inner casing 300 of the kimchi refrigerator, the compressor 410 is operated by the applied power. When the compressor 410 is operated, a refrigerant, which is a working fluid for moving heat existing in the compressor 410, is compressed in a high temperature and high pressure form. The refrigerant compressed by the compressor 410 at a high temperature and high pressure is condensed at a low temperature and a low pressure while passing through the condenser 420.

The refrigerant condensed by the condenser 420 is converted into a liquefied gas of low temperature and low pressure while passing through the capillary tube 430. At this time, the refrigerant flowing in the form of a gas while condensing in the condenser 420 is the capillary tube ( As it passes through 430 it is phase-converted to the shape of the liquid.

Refrigerant phase-converted into a low-temperature, low-pressure liquid refrigerant shape is introduced into the lower inlet 332 of the refrigerant pipe 330 serving as an evaporator and flows along the refrigerant pipe 330 while surrounding the inner casing 300. Heat exchange with air.

The liquid refrigerant of low temperature and low pressure is circulated along the refrigerant pipe 330 to exchange heat with ambient air of the inner casing 300 to maintain the ambient temperature of the inner casing 300 at a low temperature. As the temperature is formed at a low temperature, the entire temperature of the inner casing 300 is uniformly maintained at a low temperature by convection, which is one of heat transfer processes of the fluid. While the internal temperature of the inner casing 300 is maintained at a low temperature, the entire internal temperature of the kimchi refrigerator is maintained at a low temperature.

By exchanging heat with the surrounding air of the inner casing 300, the refrigerant which maintains the entire internal temperature of the kimchi refrigerator at a low temperature is discharged through the lower outlet (not shown) and introduced into the compressor 410.

As the refrigeration cycle is repeated, the internal temperature of the kimchi refrigerator is kept at a low temperature, and the internal temperature of the kimchi refrigerator, which is maintained at a low temperature of a predetermined temperature, is controlled by the microcomputer (MICOM, 440) while keeping various foods such as kimchi in a fresh state. Maintain a suitable temperature for storage.

The scope of the present invention is not limited to the above-exemplified embodiments, and many modifications may be made based on the present invention by those skilled in the art within the above technical scope.

For example, in the above embodiment has been described by taking an example of the top open (lid) kimchi refrigerator, of course, it is also applicable to the front open (drawer) kimchi refrigerator.

In addition, in the above embodiment, the coolant pipe 330 formed on the left and right side panels has been described as an example. However, the coolant pipe 330 may be formed on the outer circumferential surface of the front and rear sides.

As described in detail above, in the kimchi refrigerator according to the present invention, a refrigerant pipe is installed on the outer circumferential surface of the bouquet ying, ie, the outer surface of the left and right side panels, thereby changing the temperature of the inside of the kimchi refrigerator to a low temperature.

Thus, when the refrigerant pipe is installed on the left and right side panels, there is an effect that it becomes easier to install the refrigerant pipe.

As the refrigerant tube is easily installed, the defective rate of the inner casing may be reduced.

In addition, since the installation of the refrigerant pipe is easy, the productivity of the inner casing is improved, and the production efficiency of the product is also improved.

Claims (6)

An outer casing forming an appearance; An upper cover to open and close the upper surface of the outer casing; An inner casing provided inside the outer casing and forming a food storage space; Kimchi refrigerator including a refrigerant pipe for cooling the outer casing is disposed on the two surfaces of the inner casing facing each other at regular intervals. The method of claim 1, Refrigerant pipe provided on both sides facing each other is a kimchi refrigerator, characterized in that connected by the connecting pipe. The method of claim 2, The connecting pipe is a kimchi refrigerator, characterized in that provided on one surface of the inner casing adjacent to the refrigerant pipe formed on both sides of the inner casing. The method of claim 1, The refrigerant pipe is a kimchi refrigerator characterized in that it is formed in a zigzag in the vertical direction on each side of the inner casing in which the refrigerant pipe is disposed. The method of claim 1, The refrigerant pipe, An inlet through which refrigerant is introduced into a refrigerant pipe disposed on one surface of the inner casing, Kimchi refrigerator, characterized in that the outlet is formed in the refrigerant pipe on the surface of the surface opposite to the inlet is formed. The method of claim 1, Kimchi refrigerator, characterized in that the heater is wound around the inner casing below the refrigerant pipe.

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