Horizontal freezer

Abstract

The utility model provides a horizontal freezer, which comprises a box body, a refrigerator door, a refrigerator door and a refrigerator door, wherein the box body comprises a shell and an inner container; the door body is hinged to the box body, and when the door body is closed, a closed space is formed by the door body and the box body; the refrigerating system comprises a first evaporator and a second evaporator; the first evaporator is wound around the outer side of the inner container, and the second evaporator is arranged in an air channel formed between the inner container and the shell. According to the horizontal freezer, the first evaporator and the second evaporator are arranged in the horizontal freezer, when the horizontal freezer needs to achieve the freezing function, the first evaporator can be used for achieving the freezing function, when the horizontal freezer needs to achieve the refrigerating function, the second evaporator can be used for achieving the refrigerating function, and when rapid freezing is needed, the second evaporator can be used for achieving the refrigerating function. The method can be realized by using the first evaporator and the second evaporator, and the first evaporator and the second evaporator are arranged, so that the effects of food moisturizing, temperature uniformity and rapid cooling are realized according to the use scene of a user.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of refrigeration equipment, in particular to a horizontal ice cabinet. BACKGROUND

[0002] As a common refrigeration and freezing equipment, the horizontal ice cabinet is widely used in household, commercial and industrial fields. Its refrigeration system is usually composed of an evaporator, a compressor, a condenser, an anti-condensation pipe, a filter and a capillary tube, etc. These components are connected to each other to form a closed circulation system to achieve the refrigeration function. According to the different refrigeration modes, the horizontal ice cabinet is mainly divided into two types: direct-cooling refrigeration system and air-cooling refrigeration system.

[0003] The direct-cooling refrigeration system directly absorbs the heat in the chamber through the evaporator to achieve cooling. The advantage of this method is simple structure and low cost, but since the evaporator is directly exposed to the chamber, it is easy to cause frost on the chamber wall, which affects the heat exchange efficiency. Therefore, the user needs to periodically power off for defrosting, which is inconvenient to use. In addition, the temperature distribution in the chamber is uneven, which may affect the food preservation effect.

[0004] The air-cooling refrigeration system blows cold air into the chamber through a fan to achieve rapid cooling. The advantage of this method is that the temperature distribution in the chamber is uniform, and it has an automatic defrosting function, which avoids the problem of heat exchange efficiency reduction caused by frost, and the user does not need to periodically power off for defrosting, which is more convenient to use. However, in the refrigeration function, the air-cooling refrigeration method may cause the food to lose moisture more quickly and become dry, which affects the food preservation effect. Therefore, the user needs to additionally increase the outer packaging of the food to maintain the internal moisture from being lost.

[0005] The existing horizontal ice cabinet on the market usually adopts a single refrigeration mode, which cannot simultaneously meet the needs of food moisture preservation, temperature uniformity and rapid cooling, resulting in that the user cannot obtain the best refrigeration effect in different use scenarios. When the horizontal ice cabinet is in the rapid freezing refrigeration operation, especially in the horizontal ice cabinet with refrigeration / freezing function conversion, the single refrigeration mode cannot meet the best refrigeration effect under different functions. Therefore, there is an urgent need for a new refrigeration system that can simultaneously meet the needs of food moisture preservation, temperature uniformity and rapid cooling to improve the overall performance and user experience of the horizontal ice cabinet. SUMMARY

[0006] The present application provides a horizontal ice cabinet to solve the problem that the single refrigeration mode of the ice cabinet cannot simultaneously meet the needs of food moisture preservation, temperature uniformity and rapid cooling.

[0007] The present application provides a horizontal ice cabinet, comprising:

[0008] a cabinet body, the cabinet body comprising an outer shell and an inner liner;

[0009] a door body hinged to the cabinet, the door body and the cabinet forming a closed space when the door body is closed;

[0010] a refrigeration system comprising a first evaporator and a second evaporator;

[0011] the first evaporator is wound outside the inner container, and the second evaporator is arranged in an air duct formed between the inner container and the outer shell.

[0012] Optionally, the refrigeration system further comprises a compressor, a condenser, a solenoid valve, a first capillary tube, a second capillary tube and a fan;

[0013] an outlet of the compressor is connected to an inlet of the condenser, an inlet of the solenoid valve is connected to an outlet of the condenser, a first outlet of the solenoid valve is connected to the first capillary tube, and a second outlet of the solenoid valve is connected to the second capillary tube;

[0014] the first capillary tube is connected to an inlet of the first evaporator, and the second capillary tube is connected to an inlet of the second evaporator;

[0015] an outlet of the first evaporator is connected to an inlet of the second evaporator, and an outlet of the second evaporator is connected to an inlet of the compressor.

[0016] Optionally, the first evaporator, the compressor, the condenser, the solenoid valve and the first capillary tube constitute a direct-cooling refrigeration system, the second evaporator, the compressor, the condenser, the solenoid valve and the second capillary tube constitute an air-cooled refrigeration system, the direct-cooling refrigeration system and the air-cooled refrigeration system are connected in series, and an outlet of the direct-cooling refrigeration system is connected to an inlet of the air-cooled refrigeration system.

[0017] Optionally, a gas return pipe is further arranged, one end of the gas return pipe is connected to the outlet of the second evaporator, and the other end of the gas return pipe is connected to the inlet of the compressor.

[0018] Optionally, the solenoid valve is an electric rotary valve or a bistable solenoid valve, the solenoid valve is provided with one inlet and two outlets, and the outlets through which the refrigerant flows can be selected according to the refrigeration requirement.

[0019] Optionally, the air-cooled refrigeration system further comprises a fan, the fan is arranged in the air duct formed between the inner container and the outer shell, and the fan is used to send the cold air generated by the second evaporator into the cabinet.

[0020] Optionally, when the freezer is in a refrigeration function, the refrigerant flows through the first outlet of the solenoid valve, enters the first evaporator to perform evaporation heat exchange, and the fan stops running.

[0021] Optionally, when the freezer is in the freezing function, the refrigerant flows through the second outlet of the electromagnetic valve, enters the second evaporator to evaporate and exchange heat, and the fan operates.

[0022] Optionally, when the freezer is in the quick-freezing refrigeration operation, the refrigerant flows through the first outlet of the electromagnetic valve, enters the first evaporator to evaporate and exchange heat, and then enters the second evaporator to evaporate and exchange heat, and the fan operates.

[0023] Optionally, the first evaporator is a coil evaporator, and the second evaporator is a fin evaporator.

[0024] From the above technical solution, the application provides a horizontal freezer, which comprises: a box body comprising an outer shell and an inner container; a door body hinged to the box body, the door body and the box body forming a sealed space when the door body is closed; a refrigeration system comprising a first evaporator and a second evaporator; the first evaporator is wound outside the inner container, and the second evaporator is arranged in an air duct formed between the inner container and the outer shell. By arranging the first evaporator and the second evaporator in the horizontal freezer, when the horizontal freezer needs to realize the freezing function, the first evaporator can be used to realize the freezing function, when the horizontal freezer needs to realize the refrigeration function, the second evaporator can be used to realize the refrigeration function, and when the horizontal freezer needs to realize the quick freezing, the first evaporator and the second evaporator can be used to realize the quick freezing. The application realizes the effects of food moisture retention, temperature uniformity and rapid cooling by arranging the first evaporator and the second evaporator according to the user's use scenario. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the application, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0026] Figure 1 The horizontal freezer perspective view provided for the embodiments of the application;

[0027] Figure 2 The refrigeration system structure schematic diagram provided for the embodiments of the application.

[0028] Reference signs:

[0029] Among them, 1-box body, 11-outer shell; 12-inner container, 2-door body; 3-compressor; 4-condenser; 5-electromagnetic valve; 51-first outlet; 52-second outlet; 61-first capillary; 62-second capillary; 71-first evaporator; 72-second evaporator; 73-fan; 8-gas return pipe. DETAILED DESCRIPTION

[0030] The embodiments will be described in detail below with reference to examples thereof as illustrated in the accompanying drawings. In the following description, the same drawing reference numbers are used to denote the same elements throughout the several views. The embodiments described in the following detailed description are not meant to be limiting of all embodiments consistent with the present disclosure. Rather, the following embodiments are only examples of systems and methods consistent with some aspects of the present disclosure as detailed in the appended claims.

[0031] As a common refrigeration and freezing equipment, the horizontal refrigerator is widely used in family, commercial and industrial fields. Its refrigeration system is usually composed of evaporator, compressor 3, condenser 4, anti-condensation pipe, filter and capillary tube, etc. These components are connected to form a closed circulation system to achieve the refrigeration function. According to the different refrigeration modes, the horizontal refrigerator is mainly divided into two types: direct cooling refrigeration system and air cooling refrigeration system.

[0032] The direct cooling refrigeration system directly absorbs the heat in the chamber through the evaporator to achieve cooling. The advantage of this method is simple structure and low cost, but since the evaporator is directly exposed in the chamber, it is easy to cause frost on the chamber wall, which affects the heat exchange efficiency. Therefore, the user needs to regularly power off to defrost, which is inconvenient to use. In addition, the temperature distribution in the chamber of the direct cooling refrigeration system is uneven, which may cause poor food preservation effect.

[0033] The air cooling refrigeration system blows cold air into the chamber through the fan to achieve rapid cooling. The advantage of this method is that the temperature distribution in the chamber is uniform, and it has an automatic defrosting function, which avoids the problem of heat exchange efficiency reduction caused by frost, and the user does not need to regularly power off to defrost, which is more convenient to use. However, in the refrigeration function, the air cooling refrigeration method may cause the food to lose water faster and become dry, which affects the preservation effect of the food. Therefore, the user needs to additionally increase the outer packaging of the food to keep the internal moisture from being lost.

[0034] The horizontal refrigerator on the market usually adopts a single refrigeration mode, which cannot simultaneously meet the needs of food moisture preservation, temperature uniformity and rapid cooling, resulting in that the user cannot obtain the best refrigeration effect in different use scenarios. Especially in the horizontal refrigerator with refrigeration / freezing function conversion, a single refrigeration mode cannot meet the best refrigeration effect under different functions. Therefore, there is an urgent need for a new refrigeration system that can take into account food moisture preservation, temperature uniformity and rapid cooling to improve the overall performance and user experience of the horizontal refrigerator.

[0035] To solve the problem that the refrigerator cannot simultaneously meet the needs of food moisture preservation, temperature uniformity and rapid cooling, see Figure 1 The embodiment of the present application provides a horizontal refrigerator, which comprises:

[0036] The box 1 comprises an outer shell 11 and an inner container 12.

[0037] The door body 2 is hinged to the box 1, and when the door body 2 is closed, the door body 2 and the box 1 form a sealed space.

[0038] The refrigeration system comprises a first evaporator 71 and a second evaporator 72.

[0039] The first evaporator 71 is wound outside the inner container 12, and the second evaporator 72 is arranged in the air duct formed between the inner container 12 and the outer shell 11.

[0040] The box 1 is composed of an outer shell 11 and an inner container 12, and a heat preservation layer is formed between the two. The door body 2 is connected to the box 1 by a hinge, and when the door body 2 is closed, it forms a sealed storage space with the box 1. The refrigeration system comprises a first evaporator 71 and a second evaporator 72, wherein the first evaporator 71 is wound outside the inner container 12, and the second evaporator 72 is arranged in the air duct formed between the inner container 12 and the outer shell 11. For example, the first evaporator 71 is tightly wrapped around the outer wall of the inner container 12 in a copper pipe coiled manner to ensure direct cooling effect; the second evaporator 72 adopts a fin type structure and is installed on the air inlet side of the air duct, which facilitates the delivery of cold air to the freezer by the fan 73, so that the cold air in the freezer is evenly distributed. The horizontal freezer provided by the present application realizes the combination of direct cooling and forced convection cooling through the design of double evaporators, improves the temperature uniformity in the box 1, and can also select different refrigeration modes according to storage requirements to improve the energy efficiency ratio.

[0041] In some embodiments, the first evaporator 71 is a coil evaporator, and the second evaporator 72 is a fin evaporator. The coil evaporator is directly coiled into a spiral or serpentine structure by a metal pipe, such as a copper pipe or an aluminum pipe, without additional fins, and the pipe spacing is relatively large. The fin evaporator is a metal fin, such as a copper pipe, which is densely welded or crimped outside, and the fin spacing is relatively small, usually 1-3mm, forming a honeycomb or grid structure.

[0042] The outer wall of the inner container 12 of the horizontal freezer is wound with the first evaporator 71, which is directly attached to the box wall and relies on the evaporation of refrigerant in the pipe to absorb heat and directly cool the contact surface through the metal pipe wall. When using a coil evaporator for refrigeration, the heat transfer speed is slow, but the temperature fluctuation is small and the humidity is well maintained.

[0043] The second evaporator 72 is arranged in the air duct formed between the outer shell 11 and the inner container 12, and the fan 73 drives air to flow through the fin surface to force air to exchange heat with the fin and the pipe, which has high heat exchange efficiency. By combining the two types of evaporators, the limitations of a single evaporator are overcome to solve the problem that the freezer cannot balance food moisture, temperature uniformity and rapid cooling.

[0044] In some embodiments, as shown in Figure 2 The refrigeration system further comprises a compressor 3, a condenser 4, a solenoid valve 5, a first capillary tube 61, a second capillary tube 62 and a fan 73.

[0045] The outlet of the compressor 3 is connected to the inlet of the condenser 4, the inlet of the solenoid valve 5 is connected to the outlet of the condenser 4, the first outlet 51 of the solenoid valve 5 is connected to the first capillary tube 61, and the second outlet 52 of the solenoid valve 5 is connected to the second capillary tube 62.

[0046] The first capillary tube 61 is connected to the inlet of the first evaporator 71, and the second capillary tube 62 is connected to the inlet of the second evaporator 72.

[0047] The outlet of the first evaporator 71 is connected to the inlet of the second evaporator 72, and the outlet of the second evaporator 72 is connected to the inlet of the compressor 3.

[0048] In addition, the refrigeration system further comprises a return air pipe 8 and a fan 73, one end of the return air pipe 8 is connected to the outlet of the second evaporator 72, and the other end of the return air pipe 8 is connected to the inlet of the compressor 3. The fan 73 is arranged in the air duct formed between the inner container 12 and the outer shell 11, and the fan 73 is used to send the cold air generated by the second evaporator 72 into the box body 1.

[0049] Among them, the compressor 3 can compress the low-temperature and low-pressure gaseous refrigerant into high-temperature and high-pressure gaseous refrigerant, and drive the refrigerant to circulate in the refrigeration system.

[0050] The condenser 4 cools and converts the high-temperature and high-pressure gaseous refrigerant into liquid. In this process, the refrigerant releases heat, which is usually cooled by air or water.

[0051] The solenoid valve 5 is used to control the flow direction of the refrigerant. According to the refrigeration requirements of the horizontal ice cabinet, the refrigerant can be divided into different capillary tubes.

[0052] The first capillary tube 61 and the second capillary tube 62 are throttling devices for reducing the pressure and temperature of the refrigerant, so that it changes from high-pressure liquid to low-pressure liquid, and prepares for the evaporation process in the evaporator.

[0053] The first evaporator 71 and the second evaporator 72 can evaporate the low-pressure liquid refrigerant in the evaporator, absorb the heat of the surrounding environment, and achieve the effect of refrigeration. In addition, since the second evaporator 72 is a fin evaporator, the fan 73 can be arranged, and when the fan 73 is running, it can drive the air flow, so that the cold air generated by the second evaporator 72 can enter the storage compartment.

[0054] Finally, the refrigerant returns to the compressor 3 through the gas return pipe 8, i.e. one cycle is completed. Through this cycle, the refrigeration system can continuously absorb heat from the cooled environment and release it to the external environment, thereby achieving the refrigeration effect.

[0055] In some embodiments, the first evaporator 71, the compressor 3, the condenser 4, the electromagnetic valve 5, and the first capillary tube 61 form a direct-cooling refrigeration system; the second evaporator 72, the compressor 3, the condenser 4, the electromagnetic valve 5, and the second capillary tube 62 form an air-cooled refrigeration system, and the direct-cooling refrigeration system and the air-cooled refrigeration system are connected in series, with the outlet of the direct-cooling refrigeration system connected to the inlet of the air-cooled refrigeration system.

[0056] In some embodiments, the electromagnetic valve 5 is an electric rotary valve or a bistable electromagnetic valve 5, which is provided with one inlet and two outlets and can select the outlet through which the refrigerant flows according to the refrigeration requirement. For example, when the freezer is in the refrigeration function, the refrigerant can be selected to flow through the first outlet 51 of the electromagnetic valve 5, and when the freezer is in the freezing function, the refrigerant can be selected to flow through the second outlet 52 of the electromagnetic valve 5.

[0057] For example, in some embodiments, when the freezer is in the refrigeration function, the refrigerant flows through the first outlet 51 of the electromagnetic valve 5, enters the first evaporator 71 to perform evaporative heat exchange, and the fan 73 stops running.

[0058] Specifically, when the horizontal freezer is in the refrigeration function, the refrigerant of the electromagnetic valve 5 selects the first outlet 51, the refrigerant enters the first evaporator 71 to perform evaporative heat exchange after being throttled and cooled by the first capillary tube 61, and then returns to the compressor 3 through the gas return pipe 8 to complete the refrigeration cycle.

[0059] When the horizontal freezer is in the refrigeration function, the refrigerant flows through the first evaporator 71 to perform evaporative heat exchange, the fan 73 stops running, the condensation of moisture caused by air-cooled heat exchange is avoided, the humidity in the compartment is maintained, and the food preservation effect is ensured.

[0060] In some embodiments, when the freezer is in the freezing function, the refrigerant flows through the second outlet 52 of the electromagnetic valve 5, enters the second evaporator 72 to perform evaporative heat exchange, and the fan 73 runs.

[0061] Specifically, when the horizontal freezer is in the freezing function, the refrigerant flowing through the electromagnetic valve 5 selects the second outlet 52, the refrigerant enters the second evaporator 72 to perform evaporative heat exchange after being throttled and cooled by the second capillary tube 62, and then returns to the compressor 3 through the gas return pipe 8 to complete the refrigeration cycle.

[0062] When the horizontal freezer is in the freezing mode, the fan 73 runs and forms a wind-cooled refrigeration system with the second evaporator 72. At this time, the first evaporator 71 does not participate in the heat exchange in the storage compartment, which can reduce the condensation of moisture in the storage compartment on the inner wall of the storage compartment, thereby avoiding the need for the user to periodically defrost. During the operation of the wind-cooled refrigeration system, the humid air condenses on the second evaporator 72 in the form of frost, and the wind-cooled refrigeration system automatically defrosts, for example, by providing a defrosting heater. When the second evaporator 72 or the compressor 3 runs for a period of time, the defrosting heater is turned on, which can melt the frost on the surface of the second evaporator 72.

[0063] In some embodiments, when the freezer is in the quick-freezing refrigeration mode, the refrigerant flows through the first outlet 51 of the electromagnetic valve 5, enters the first evaporator 71 for evaporative heat exchange, and then enters the second evaporator 72 for evaporative heat exchange, and the fan 73 runs.

[0064] Specifically, when the horizontal freezer is in the quick-freezing refrigeration mode, the refrigerant flows through the first outlet 51 of the electromagnetic valve 5, enters the first evaporator 71 for evaporative heat exchange, and then enters the second evaporator 72 for evaporative heat exchange, and the fan 73 runs. By simultaneously working the double evaporators, the refrigeration efficiency can be significantly improved, and rapid cooling can be achieved.

[0065] When the temperature in the storage compartment is reduced to the preset temperature, the refrigeration can be performed according to the wind-cooled refrigeration mode.

[0066] In addition, in some embodiments, when the horizontal freezer is just started, the refrigerant flows through the second evaporator 72 for evaporative heat exchange, and the fan 73 runs to quickly reduce the temperature in the compartment.

[0067] At this time, the fan 73 runs and forms a wind-cooled refrigeration system with the second evaporator 72, and the first evaporator 71 does not participate in the heat exchange in the storage compartment. Due to the fact that the wind-cooled heat exchange efficiency is much higher than that of the direct-cooled refrigeration system, the air in the storage compartment is cooled more uniformly and quickly. When the horizontal freezer reaches the shutdown temperature, the refrigerant flow direction can be selected according to the refrigeration state of the freezer during the next refrigeration operation. If it is in the refrigeration state, the refrigeration is performed in the direct-cooled refrigeration mode. If it is in the freezing state, the refrigeration is performed in the wind-cooled refrigeration mode.

[0068] According to the technical scheme, the application provides a horizontal ice cabinet, which comprises a cabinet body 1, the cabinet body 1 comprising an outer shell 11 and an inner container 12; a door body 2, the door body 2 being hinged to the cabinet body 1, the door body 2 and the cabinet body 1 forming a closed space when the door body 2 is closed; and a refrigeration system, the refrigeration system comprising a first evaporator 71 and a second evaporator 72; the first evaporator 71 being wound around the outer side of the inner container 12, and the second evaporator 72 being arranged in an air duct formed between the inner container 12 and the outer shell 11. By arranging the first evaporator 71 and the second evaporator 72 in the horizontal ice cabinet, when the horizontal ice cabinet needs to realize the freezing function, the first evaporator 71 can be used, when the horizontal ice cabinet needs to realize the refrigeration function, the second evaporator 72 can be used, and when the horizontal ice cabinet needs to realize the rapid freezing, the first evaporator 71 and the second evaporator 72 can be used. The application realizes the effects of food moisture preservation, temperature uniformity and rapid cooling by arranging the first evaporator 71 and the second evaporator 72 and operating according to the use scene of the user.

[0069] The similar parts among the embodiments provided by the application can be referred to each other, the specific embodiments provided above are only several examples under the general concept of the application, and do not constitute the limitation of the protection scope of the application. Any other embodiments extended according to the application scheme without creative labor belong to the protection scope of the application for the person skilled in the art.

Claims

1. A horizontal ice chest, characterized by, The application relates to a refrigerator, which comprises: a cabinet (1) comprising an outer shell (11) and an inner container (12); a door body (2) hinged to the cabinet (1), the door body (2) and the cabinet (1) forming a closed space when the door body (2) is closed; a refrigeration system comprising a first evaporator (71) and a second evaporator (72); the first evaporator (71) is wound outside the inner container (12), and the second evaporator (72) is arranged in an air duct formed between the inner container (12) and the outer shell (11).

2. The under-the-counter ice bin according to claim 1, characterized in that the refrigeration system further comprises a compressor (3), a condenser (4), an electromagnetic valve (5), a first capillary tube (61) and a second capillary tube (62); an outlet of the compressor (3) is connected to an inlet of the condenser (4), an inlet of the electromagnetic valve (5) is connected to an outlet of the condenser (4), a first outlet (51) of the electromagnetic valve (5) is connected to the first capillary tube (61), and a second outlet (52) of the electromagnetic valve (5) is connected to the second capillary tube (62); the first capillary tube (61) is connected to an inlet of the first evaporator (71), and the second capillary tube (62) is connected to an inlet of the second evaporator (72); an outlet of the first evaporator (71) is connected to an inlet of the second evaporator (72), and an outlet of the second evaporator (72) is connected to an inlet of the compressor (3).

3. The under-the-counter ice bin according to claim 2, characterized in that the first evaporator (71), the compressor (3), the condenser (4), the electromagnetic valve (5), the first capillary tube (61) constitute a direct-cooling refrigeration system, the second evaporator (72), the compressor (3), the condenser (4), the electromagnetic valve (5) and the second capillary tube (62) constitute an air-cooled refrigeration system, the direct-cooling refrigeration system and the air-cooled refrigeration system are connected in series, and an outlet of the direct-cooling refrigeration system is connected to an inlet of the air-cooled refrigeration system.

4. The under-the-counter ice bin according to claim 2, characterized in that a return air pipe (8) is further arranged, one end of the return air pipe (8) is connected to an outlet of the second evaporator (72), and the other end of the return air pipe (8) is connected to an inlet of the compressor (3).

5. The under-the-counter ice bin according to claim 2, characterized in that the electromagnetic valve (5) is an electric rotary valve or a bistable electromagnetic valve, the electromagnetic valve (5) is provided with one inlet and two outlets, and the outlets through which refrigerant flows can be selected according to refrigeration requirements.

6. The under-the-counter ice bin according to claim 3, characterized in that the air-cooled refrigeration system further comprises a fan (73), the fan (73) is arranged in the air duct formed between the inner container (12) and the outer shell (11), and the fan (73) is used for sending cold air generated by the second evaporator (72) into the cabinet (1).

7. The under-the-counter ice bin according to claim 2, characterized in that when the refrigerator is in a refrigeration function, refrigerant flows through the first outlet (51) of the electromagnetic valve (5), enters the first evaporator (71) to perform evaporation heat exchange, and the fan stops running.

8. The under-the-counter ice bin according to claim 6, characterized in that when the refrigerator is in a freezing function, refrigerant flows through the second outlet (52) of the electromagnetic valve (5), enters the second evaporator (72) to perform evaporation heat exchange, and the fan runs.

9. The under-the-counter ice bin according to claim 6, characterized in that When the freezer is in the fast-freezing refrigeration operation, the refrigerant flows through the first outlet (51) of the electromagnetic valve (5), enters the first evaporator (71) to perform evaporative heat exchange, and then enters the second evaporator (72) to perform evaporative heat exchange, and the fan (73) operates.

10. The under-the-counter ice bin according to claim 1, characterized in that The first evaporator (71) is a coil evaporator, and the second evaporator (72) is a fin evaporator.

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