Method, device, refrigerator and computer readable storage medium for preventing icing of a damper

Abstract

The application provides a method, device, refrigerator and computer readable storage medium for preventing air door from icing, applied to a refrigeration equipment, the refrigeration equipment comprising an air door and a thermoelectric module, the thermoelectric module is arranged in close contact with the air door, and the thermoelectric module is used for heating the air door, and the method comprises the following steps: acquiring a current air door temperature; and adjusting the current of the thermoelectric module according to the current air door temperature. The method for preventing the air door from icing can acquire the current air door temperature, and judge whether the air door is iced according to the current air door temperature. Then, the air door can be heated by using the heat generated by the current of the thermoelectric module according to the specific air door temperature, so that the air door is prevented from icing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electrical appliances, in particular to a method and device for preventing icing of a damper, a refrigerator and a computer readable storage medium. BACKGROUND

[0002] In a refrigerator, a damper is a key component that controls the circulation of cold air. During use, the damper may ice up, which not only affects the normal operation of the damper, but also reduces the refrigeration efficiency of the refrigerator. There is no solution to the icing of the damper in the prior art. SUMMARY

[0003] The present application provides a method for preventing icing of a damper, which can heat the damper to avoid icing of the damper.

[0004] In a first aspect, the present application provides a method for preventing icing of a damper, applied to a refrigeration device, the refrigeration device comprising a damper and a thermoelectric module, the thermoelectric module being arranged in contact with the damper, the thermoelectric module being configured to heat the damper, the method comprising:

[0005] obtaining a current damper temperature;

[0006] adjusting an energizing current of the thermoelectric module according to the current damper temperature.

[0007] In some embodiments of the present application, adjusting the energizing current of the thermoelectric module according to the current damper temperature comprises:

[0008] obtaining a first target temperature threshold;

[0009] adjusting the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold.

[0010] In some embodiments of the present application, adjusting the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold comprises:

[0011] if the current damper temperature is less than or equal to the first target temperature threshold, determining a target current value according to a difference between the current damper temperature and the first target temperature threshold;

[0012] adjusting the energizing current of the thermoelectric module according to the target current value.

[0013] In some embodiments of the present application, after adjusting the energizing current of the thermoelectric module according to the target current value, the method further comprises:

[0014] determining a temperature change rate of the damper;

[0015] if the temperature change rate is less than or equal to a rate change threshold, increasing the energizing current of the thermoelectric module by a first current increment.

[0016] In some embodiments of the present application, the adjusting the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold comprises:

[0017] if the current damper temperature is greater than the first target temperature threshold, decreasing the energizing current of the thermoelectric module.

[0018] In some embodiments of the present application, after the if the current damper temperature is greater than the first target temperature threshold, decreasing the energizing current of the thermoelectric module, the method further comprises:

[0019] if the current damper temperature is greater than a second target temperature threshold, stopping energizing the thermoelectric module.

[0020] In some embodiments of the present application, the thermoelectric module comprises a first metal layer, a second metal layer and an insulating layer;

[0021] the first metal layer is disposed between the second metal layer and the insulating layer, the second metal layer is disposed in contact with the damper, the thermoelectric module is disposed in the first metal layer or the thermoelectric module is disposed in the second metal layer, and the thermal conductivity of the first metal layer is less than the thermal conductivity of the second metal layer.

[0022] In a second aspect, the present application also provides a device for preventing damper icing, applied to a refrigeration device, the refrigeration device comprising a damper and a thermoelectric module, the thermoelectric module being disposed in contact with the damper, the thermoelectric module being used for heating the damper, and the device comprising:

[0023] an acquisition module, configured to acquire a current damper temperature;

[0024] a processing module, configured to adjust an energizing current of the thermoelectric module according to the current damper temperature.

[0025] In a third aspect, the present application also provides a refrigerator, comprising a processor, a memory, and a computer program stored in the memory and executable on the processor, the processor executing the computer program to implement the steps of any of the methods for preventing damper icing.

[0026] In a fourth aspect, the present application also provides a computer readable storage medium, the computer readable storage medium storing a computer program, the computer program being executed by a processor to implement the steps of any of the methods for preventing damper icing.

[0027] The method for preventing the air door from icing provided in the application can acquire the current air door temperature and determine whether the air door is iced according to the current air door temperature. Then, the air door can be heated by using the heat generated by the power-on of the thermoelectric module according to the specific air door temperature, so as to prevent the air door from icing. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0029] Figure 1 is a scene schematic diagram of the refrigerator control system provided in the embodiments of the present application;

[0030] Figure 2 is a flowchart schematic diagram of one embodiment of the refrigerator control method in the embodiments of the present application;

[0031] Figure 3 is a functional module schematic diagram of the refrigerator control device in the embodiments of the present application;

[0032] Figure 4 is a structural schematic diagram of the refrigerator in the embodiments of the present application. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative effort fall within the scope of protection of the present application.

[0034] In the description of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0035] In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration." Any implementation described as "exemplary" in this application is not necessarily to be construed as preferred or advantageous over other implementations. While the application is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and the following detailed description.

[0036] The following description is presented to enable any person skilled in the art to practice the application as claimed. Details are set forth in the following description for purpose of explanation. It should be appreciated that one of ordinary skill in the art will realize that the application can be practiced without the use of these specific details. In other instances, well-known structures and processes are not elaborated as they would be appreciated reported by those with skill in the art. Thus, the present application is not intended to be limited by the embodiments shown, but is to be accorded with the widest scope consistent with the principles and features disclosed.

[0037] The application provides a refrigerator control method, device, equipment and storage medium, which are described in detail below.

[0038] Please refer to Figure 1 , Figure 1 The scene diagram of the refrigerator control system provided by the embodiments of the application can include a refrigerator 100. As Figure 1 indicated in the refrigerator 100, the refrigerator 100 can obtain the storage-related control logic to execute the refrigerator control method in the application.

[0039] In the embodiments of the application, the refrigerator 100 can include but is not limited to a double-door refrigerator, a single-door refrigerator, a refrigerator cabinet, etc.

[0040] It should be noted that Figure 1 The scene diagram of the refrigerator control system shown is only an example, and the refrigerator control system and the scene described in the embodiments of the application are used to more clearly illustrate the technical solutions of the embodiments of the application, and do not constitute a limitation on the technical solutions provided by the embodiments of the application. Those skilled in the art can know that, with the evolution of the refrigerator control system and the appearance of new business scenarios, the technical solutions provided by the embodiments of the application are also applicable to similar technical problems.

[0041] As Figure 2 indicated, Figure 2For an embodiment flow diagram of the refrigerator control method in the embodiments of the present application, the method is applied to a refrigeration device, the refrigeration device comprising a damper and a thermoelectric module, the thermoelectric module being arranged in contact with the damper, the thermoelectric module being configured to heat the damper, and the method specifically comprising the following steps 201-202:

[0042] 201, obtaining a current damper temperature.

[0043] In the embodiments of the present application, the damper is usually arranged in an air duct and is configured to control the flow of cold air into a refrigeration chamber. The scheme for obtaining the current damper temperature can be implemented by arranging a temperature sensor on the damper to collect the temperature of the damper. The specific arrangement position of the temperature sensor can be arranged according to the actual situation, and the embodiments of the present application do not limit it. For example, five temperature sensors are installed on the surface and surrounding area of the damper, and are respectively arranged at four corners and a center position of the surface of the damper. At this time, five temperatures can be collected. Then, the average temperature is obtained by averaging the five temperatures, and the average temperature is taken as the current damper temperature.

[0044] 202, adjusting the current of the thermoelectric module according to the current damper temperature.

[0045] In the embodiments of the present application, the damper usually freezes at 0 degrees. Therefore, if the current damper temperature is lower or closer to 0 degrees, the thermoelectric module can be powered on. In this way, the thermoelectric module generates heat when powered on, thereby heating the damper. If the current damper temperature is lower, the current is larger. In addition, in the embodiments of the present application, the thermoelectric module can be a Peltier element, and the size of the Peltier element can match the specific size of the damper.

[0046] The method for preventing the damper from freezing provided in the present application can obtain the current damper temperature and determine whether the damper is frozen according to the current damper temperature. Then, the damper can be heated by the heat generated by the thermoelectric module powered on according to the specific damper temperature, thereby preventing the damper from freezing.

[0047] In order to better implement the embodiments of the present application, in one embodiment of the present application, adjusting the current of the thermoelectric module according to the current damper temperature comprises:

[0048] obtaining a first target temperature threshold; and adjusting the current of the thermoelectric module according to the current damper temperature and the first target temperature threshold.

[0049] In a specific case, the damper not only has icing, but also has frosting. The temperature of the damper frosting is higher than 0 degrees. Therefore, in the embodiment of the application, the first target temperature threshold can be the critical point temperature of frosting. For example, any temperature value in the range of 0 degrees to 5 degrees can be used as the first target temperature threshold, which can be set according to the actual situation. If the current damper temperature is closer to the first temperature threshold, the current of the thermoelectric module can be increased, and vice versa.

[0050] To better realize the embodiment of the application, in an embodiment of the application, the current of the thermoelectric module is adjusted according to the current damper temperature and the first target temperature threshold, including:

[0051] If the current damper temperature is less than or equal to the first target temperature threshold, the target current value is determined according to the difference between the current damper temperature and the first target temperature threshold; and the current of the thermoelectric module is adjusted according to the target current value.

[0052] The above embodiment provides a first target temperature threshold and a current adjustment scheme. However, to accurately adjust, the embodiment of the application also provides a scheme. Specifically, as shown in formula (1):

[0053] First target temperature threshold - current damper temperature = difference …… (1)

[0054] According to formula (1), if the first target temperature threshold is 3 degrees and the current damper temperature is 2 degrees, the difference is 1 degree. If the difference is positive, it means that the temperature of the damper has dropped below the temperature threshold, and the current needs to be further increased to quickly raise the temperature of the damper to a temperature that will not freeze or frost. If the first target temperature threshold is 3 degrees and the current damper temperature is 4 degrees, the difference is -1 degree. At this time, if the difference is negative, it means that the current damper temperature is higher than the first temperature threshold, and there is no risk of icing. However, it should be noted that if the difference is negative, but the absolute value of the difference is smaller, it means that the temperature of the damper is close to the icing or frosting state, and the current can be increased to a certain extent to avoid icing or frosting. At this time, the increased current can be less than the current increased when the difference is positive.

[0055] To better realize the embodiment of the application, in an embodiment of the application, after adjusting the current of the thermoelectric module according to the target current value, including:

[0056] The temperature change rate of the damper is determined; if the temperature change rate is less than or equal to the rate change threshold, the current of the thermoelectric module is increased by the first current increment.

[0057] The above embodiments provide a solution to increase the current to avoid the icing or frosting of the damper. However, in a specific process, after the current is increased, the temperature of the damper may not increase or increase slowly due to some unknown reasons. At this time, the damper still has the risk of icing. At this time, the temperature change rate needs to be combined.

[0058] Specifically, after the current is increased, the temperature change rate of the damper needs to be detected. For example, the temperature change is detected within 1 minute after the current is increased. If the temperature change rate is less than the rate change threshold, it proves that the temperature of the damper does not rise obviously or does not rise, and at this time the current needs to be further increased.

[0059] For example, if the temperature change rate is less than the rate change threshold, the current is controlled to be increased (assuming the increment is 0.5A). If the temperature change rate is still unchanged, the current can be controlled to be further increased by 0.2A. Then, assuming that the temperature rise is still slow, the current can be further increased by 0.1A. Finally, the controller adjusts the current of the thermoelectric module to 0.8A to start heating the surface of the damper.

[0060] To better implement the embodiments of the present application, in an embodiment of the present application, the energizing current of the thermoelectric module is adjusted according to the current damper temperature and the first target temperature threshold, comprising:

[0061] If the current damper temperature is greater than the first target temperature threshold, the energizing current of the thermoelectric module is reduced.

[0062] The above embodiments provide that the first target temperature threshold can be the critical temperature of frosting. However, in some cases, if the temperature of the damper is higher than a certain degree, and at the same time the power of the compressor is reduced, the damper will not continue to reduce the temperature at this time. Therefore, the compressor will not send air with lower temperature. At this time, the damper does not need to be heated, so the energizing current can be gradually reduced. Therefore, in the embodiments of the present application, the first target temperature threshold can also be a temperature threshold for determining to reduce the current. For example, any temperature above 5 degrees, which is not limited in the embodiments of the present application.

[0063] To better implement the embodiments of the present application, in an embodiment of the present application, if the current damper temperature is greater than the first target temperature threshold, the energizing current of the thermoelectric module is reduced, and the method further comprises:

[0064] If the current damper temperature is greater than the second target temperature threshold, the thermoelectric module is stopped from being energized.

[0065] The above embodiments provide a scheme for reducing the energizing current. However, if the temperature of the damper continues to rise until exceeding a second target temperature threshold, at this time when the damper has a high enough temperature, there is no need to heat any more, and the energizing is stopped at this time. The second target temperature threshold is greater than the first target temperature threshold, for example, the second target temperature threshold can be 8 degrees, 9 degrees, 10 degrees, etc.

[0066] In order to better implement the embodiments of the present application, in an embodiment of the present application, the thermoelectric module includes an insulating layer, a first metal layer and a second metal layer;

[0067] The first metal layer is arranged between the second metal layer and the insulating layer, the second metal layer is arranged in contact with the damper, the thermoelectric module is arranged in the first metal layer or the thermoelectric module is arranged in the second metal layer, and the thermal conductivity of the first metal layer is less than that of the second metal layer.

[0068] The above embodiments provide a scheme in which the thermoelectric module is arranged in contact with the damper. However, the embodiments of the present application also provide a thermoelectric module with other structures.

[0069] Since the thermoelectric module needs to be energized, an insulating layer can be provided, and the material of the insulating layer can be rubber, polyurethane foam, etc., which is not limited in the embodiments of the present application. At the same time, the material of the first metal layer can be an aluminum alloy with medium thermal conductivity, and the thickness can be 5 mm; the second metal layer can be copper with high thermal conductivity, and the thickness can be 2 mm.

[0070] In order to better implement the method for preventing the damper from icing in the embodiments of the present application, on the basis of the method for preventing the damper from icing, the embodiments of the present application also provide a device for preventing the damper from icing, which is applied to a refrigeration equipment including a damper and a thermoelectric module, the thermoelectric module is arranged in contact with the damper, and the thermoelectric module is used for heating the damper. The device 300 includes:

[0071] The acquisition module 301 is configured to acquire the current damper temperature.

[0072] The processing module 302 is configured to adjust the energizing current of the thermoelectric module according to the current damper temperature.

[0073] In some embodiments of the present application, the processing module 302 is specifically configured to:

[0074] Acquire a first target temperature threshold;

[0075] Adjust the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold.

[0076] In some embodiments of the present application, the processing module 302 is specifically further configured to:

[0077] If the current damper temperature is less than or equal to the first target temperature threshold, a target current value is determined according to a difference between the current damper temperature and the first target temperature threshold;

[0078] According to the target current value, the energization current of the thermoelectric module is adjusted.

[0079] In some embodiments of the present application, the processing module 302 is specifically further configured to:

[0080] determine a temperature change rate of the damper;

[0081] If the temperature change rate is less than or equal to a rate change threshold, the energization current of the thermoelectric module is increased by a first current increment.

[0082] In some embodiments of the present application, the processing module 302 is specifically further configured to:

[0083] If the current damper temperature is greater than the first target temperature threshold, the energization current of the thermoelectric module is decreased.

[0084] In some embodiments of the present application, the processing module 302 is specifically further configured to:

[0085] If the current damper temperature is greater than a second target temperature threshold, the energization of the thermoelectric module is stopped.

[0086] Embodiments of the present application also provide a refrigerator, which includes a processor, a memory, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the steps in the method for preventing damper icing according to any one of the embodiments of the present application. Wherein, the refrigerator integrates any one of the methods for preventing damper icing provided by the embodiments of the present application, as shown in the following Figure 4 The refrigerator structure shown in the following

[0087] The refrigerator can include a processor 401 with one or more processing cores, a memory 402 with one or more computer readable storage media, a power supply 403, and an input unit 404, etc. Those skilled in the art can understand that Figure 4 The refrigerator structure shown in the following

[0088] The processor 401 is the control center of the refrigerator, and connects various parts of the refrigerator through various interfaces and lines, and performs various functions of the refrigerator and processes data by running or executing software programs and / or modules stored in the memory 402 and calling data stored in the memory 402, thereby monitoring the refrigerator as a whole. Optionally, the processor 401 can include one or more processing cores; the processor 401 can be a central processing unit (CPU), and can also be other general-purpose processors, digital signal processors (DSPs), application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor or the like, and preferably, the processor 401 can integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, and application programs, etc., and the modem processor mainly processes wireless communication. It can be understood that the above-mentioned modem processor can also not be integrated into the processor 401.

[0089] The memory 402 can be used to store software programs and modules, and the processor 401 executes various function applications and data processing by running the software programs and modules stored in the memory 402. The memory 402 can mainly include a program storage area and a data storage area, wherein the program storage area can store an operating system, at least one application program required by a function (such as a sound playing function, an image playing function, etc.), etc.; and the data storage area can store data created according to the use of the refrigerator, etc. In addition, the memory 402 can include a high-speed random access memory, and can also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state memory device. Accordingly, the memory 402 can also include a memory controller to provide the processor 401 with access to the memory 402.

[0090] The refrigerator further includes a power supply 403 for supplying power to various components, and preferably, the power supply 403 can be logically connected to the processor 401 through a power management system, so as to realize functions of managing charging, discharging, and power consumption management, etc. through the power management system. The power supply 403 can also include one or more than one direct current or alternating current power supply, a recharging system, a power failure detection circuit, a power converter or inverter, a power state indicator, etc. any component.

[0091] The refrigerator can further include an input unit 404 which can be used to receive inputted digital or character information, and to generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function controls.

[0092] Although not shown, the refrigerator can further include a display unit, etc., which will not be described here. In particular in the present embodiment, the processor 401 in the refrigerator will load executable files corresponding to processes of one or more than one application into the memory 402, and run the application stored in the memory 402 by the processor 401, according to the following instructions, so as to realize various functions, such as:

[0093] Obtaining a current damper temperature;

[0094] Adjusting a current of the thermoelectric module according to the current damper temperature.

[0095] Those skilled in the art can understand that all or part of the steps in the various methods of the above embodiments can be completed by instructions, or by relevant hardware controlled by the instructions, which can be stored in a computer readable storage medium and loaded and executed by a processor.

[0096] To this end, the embodiments of the present application provide a computer readable storage medium, which can include a read only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, etc. A computer program is stored on the storage medium, and the computer program is loaded by a processor to execute the steps in any of the methods for preventing damper icing provided by the embodiments of the present application. For example, the computer program loaded by the processor can execute the following steps:

[0097] Obtaining a current damper temperature;

[0098] Adjusting a current of the thermoelectric module according to the current damper temperature.

[0099] In the above embodiments, the description of each embodiment has its own focus, and the parts not described in detail in a certain embodiment can be referred to the detailed description of other embodiments above, which will not be described here.

[0100] In specific implementation, the above various units or structures can be implemented as independent entities, or can be combined as the same or several entities, and the specific implementation of the above various units or structures can be referred to the method embodiments above, which will not be described here.

[0101] The specific implementation of the above various operations can be referred to the embodiments above, which will not be described here.

[0102] The method and device for preventing the air door from icing provided by the embodiments of the present application are described in detail above, and the principles and implementation manners of the present application are described by applying specific examples in this paper; the above embodiment description is only used to help understand the method of the present application and its core idea; meanwhile, for those skilled in the art, the specific implementation manners and application ranges will be changed according to the idea of the present application; in conclusion, the content of the specification should not be understood as a limitation of the present application.

Claims

1. A method of preventing icing of a damper, characterized by, The method is applied to a refrigeration device, the refrigeration device comprising a damper and a thermoelectric module, the thermoelectric module being arranged in contact with the damper, the thermoelectric module being used for heating the damper, the method comprising: obtaining a current damper temperature; adjusting an energizing current of the thermoelectric module according to the current damper temperature; the adjusting of the energizing current of the thermoelectric module according to the current damper temperature comprises: obtaining a first target temperature threshold value; adjusting the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold value; the adjusting of the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold value comprises: if the current damper temperature is less than or equal to the first target temperature threshold value, determining a target current value according to a difference between the current damper temperature and the first target temperature threshold value; adjusting the energizing current of the thermoelectric module according to the target current value; determining a temperature change rate of the damper; if the temperature change rate is less than or equal to a rate change threshold value, increasing the energizing current of the thermoelectric module by a first current increment.

2. The method of preventing ice formation on a cowl as defined in claim 1, wherein, the adjusting of the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold value comprises: if the current damper temperature is greater than the first target temperature threshold value, decreasing the energizing current of the thermoelectric module.

3. The method of preventing ice formation on a cowl as defined in claim 2, wherein, after the decreasing of the energizing current of the thermoelectric module if the current damper temperature is greater than the first target temperature threshold value, the method further comprises: if the current damper temperature is greater than a second target temperature threshold value, stopping energizing the thermoelectric module.

4. The method of preventing ice formation on a cowl of any one of claims 1 to 3, wherein, the thermoelectric module comprises an insulating layer, a first metal layer and a second metal layer; the first metal layer is arranged between the second metal layer and the insulating layer, the second metal layer is arranged in contact with the damper, the thermoelectric module is arranged in the first metal layer or the thermoelectric module is arranged in the second metal layer, and the thermal conductivity of the first metal layer is less than the thermal conductivity of the second metal layer.

5. An apparatus for preventing icing of a damper, comprising: The method is applied to a refrigeration device, the refrigeration device comprising a damper and a thermoelectric module, the thermoelectric module being arranged in contact with the damper, the thermoelectric module being used for heating the damper, the method comprising: an obtaining module, configured to obtain a current damper temperature; a processing module, configured to adjust an energizing current of the thermoelectric module according to the current damper temperature; the adjusting of the energizing current of the thermoelectric module according to the current damper temperature comprises: obtaining a first target temperature threshold value; adjusting the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold value; the adjusting of the energizing current of the thermoelectric module according to the current damper temperature and the first target temperature threshold value comprises: if the current damper temperature is less than or equal to the first target temperature threshold value, determining a target current value according to a difference between the current damper temperature and the first target temperature threshold value; adjusting the energizing current of the thermoelectric module according to the target current value; determining a temperature change rate of the damper; If the temperature rate of change is less than or equal to a rate change threshold, the energization current of the thermoelectric module is increased by a first current increment.

6. A refrigerator characterized by comprising: The refrigerator comprises a processor, a memory, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the steps in the method for preventing the air door from icing according to any one of claims 1 to 3.

7. A computer readable storage medium characterized by The computer readable storage medium stores a computer program, and the computer program is executed by the processor to implement the steps in the method for preventing the air door from icing according to any one of claims 1 to 3.

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