A control method of a refrigerator, a refrigerator, and a storage medium

Abstract

This application provides a refrigerator control method, a refrigerator, and a storage medium. The refrigerator control method includes: after activating the deep-cooling function of the freezer compartment, acquiring the ambient temperature outside the refrigerator; when the ambient temperature is lower than a first set temperature, acquiring the temperature inside the variable-temperature compartment; if the temperature of the variable-temperature compartment is lower than a second set temperature, turning off the fan; and if the temperature of the variable-temperature compartment reaches a third set temperature, turning on the fan. The refrigerator control method provided by this application, when the ambient temperature is lower than the first set temperature and the temperature of the variable-temperature compartment is lower than the second set temperature, turns off the fan, allowing the temperature of the variable-temperature compartment to gradually rise, preventing the temperature of the variable-temperature compartment from continuously decreasing and falling below the set range, thus preventing food from freezing. If the temperature of the variable-temperature compartment reaches the third set temperature, the fan is turned on to provide normal cooling, keeping the temperature of the variable-temperature compartment within the set range and ensuring the normal operation of the refrigerator's deep-cooling function, preventing the fan from being off for too long and affecting the deep-cooling effect.

Description

Technical Field

[0001] This application belongs to the field of refrigeration equipment technology, and in particular relates to a control method for a refrigerator, a refrigerator, and a storage medium. Background Technology

[0002] The variable temperature compartment of a refrigerator is usually connected to the freezer compartment via an air duct, which contains an air damper. To meet users' long-term preservation needs, existing refrigerators typically have a deep-cooling function. However, when the deep-cooling function is activated in a low ambient temperature environment, the temperature in the freezer compartment is already low. Even slight air leakage at the air damper can cause the temperature in the variable temperature compartment to drop below the set stable temperature. Furthermore, to prevent the air damper from freezing, it has a periodic reset action. This reset can cause air leakage, further lowering the temperature of the variable temperature compartment below the set stable temperature, posing a risk of food spoilage in the variable temperature compartment. Summary of the Invention

[0003] This application provides a refrigerator control method, a refrigerator, and a storage medium to solve the problem that when the deep-freeze function of an existing refrigerator is activated at low ambient temperatures, the temperature of the variable temperature compartment is easily lower than the set temperature, which may cause food to freeze and spoil.

[0004] This application provides a method for controlling a refrigerator, the refrigerator including a freezer compartment, a variable temperature compartment, and a fan, the fan being used to deliver cold air to the freezer compartment and the variable temperature compartment, the method for controlling the refrigerator including:

[0005] After activating the deep-freeze function of the freezer compartment, obtain the ambient temperature outside the refrigerator;

[0006] When the ambient temperature is lower than the first set temperature, the temperature inside the variable temperature chamber is obtained;

[0007] If the temperature of the variable temperature chamber is lower than the second set temperature, the fan is turned off to keep the temperature of the variable temperature chamber within the set range.

[0008] If the temperature of the variable temperature chamber reaches the third set temperature, the fan is turned on to keep the temperature of the variable temperature chamber within the set range and maintain the deep cooling effect of the freezer.

[0009] The third set temperature is higher than the second set temperature, and the set range includes the third set temperature and the second set temperature.

[0010] Optionally, the refrigerator further includes a compressor. If the temperature of the variable temperature compartment is lower than the second set temperature, and the fan is turned off, the refrigerator control method further includes:

[0011] If the temperature of the variable temperature chamber reaches the third set temperature within a first set time period, the fan will be turned on.

[0012] If, after the first set time, the temperature of the variable temperature chamber is lower than the third set temperature, the compressor is turned off to accelerate the heating of the variable temperature chamber.

[0013] Optionally, after the compressor is turned off, the refrigerator control method further includes:

[0014] If the temperature of the variable temperature chamber reaches the third set temperature within the second set time period, the fan and the compressor are turned on to keep the temperature of the variable temperature chamber within the set range.

[0015] After the second set time, if the temperature of the variable temperature chamber is lower than the third set temperature, temperature compensation is activated for the variable temperature chamber to raise its temperature back to the third set temperature, and the fan and compressor are turned on.

[0016] Optionally, if the temperature of the variable temperature compartment reaches the third set temperature within a first set time period, the refrigerator control method further includes the following steps before turning on the fan:

[0017] The first set time is adjusted according to the ambient temperature, wherein the ambient temperature outside the refrigerator is proportional to the first set time.

[0018] Optionally, if the temperature of the variable temperature compartment reaches the third set temperature within a second set time period, the refrigerator control method further includes the following steps before turning on the fan and the compressor:

[0019] The third set temperature and the second set temperature are adjusted according to the ambient temperature, wherein the difference between the third set temperature and the second set temperature is proportional to the ambient temperature outside the refrigerator.

[0020] Optionally, in the refrigerator control method provided in this application embodiment, the third set temperature is 1°C to 4°C higher than the second set temperature.

[0021] This application also provides a refrigerator, applicable to the refrigerator control method described above, the refrigerator comprising:

[0022] case;

[0023] A first temperature sensor is disposed on the housing, and the first temperature sensor is used to detect the ambient temperature outside the housing;

[0024] A freezer compartment is disposed within the housing, and the freezer compartment has a deep-freezing function;

[0025] A variable temperature chamber is installed inside the housing. A second temperature sensor is installed inside the variable temperature chamber. When the ambient temperature outside the housing is lower than a first set temperature, the second temperature sensor detects the temperature inside the variable temperature chamber.

[0026] A fan is installed inside the housing. The fan, the freezer chamber, and the variable temperature chamber are connected in sequence. The fan is used to deliver cold air to the freezer chamber and the variable temperature chamber. The fan is turned off when the temperature of the variable temperature chamber is lower than a second set temperature and turned on when the temperature reaches a third set temperature.

[0027] Optionally, the refrigerator provided in this application embodiment further includes a compressor disposed within the housing, and the fan is used to deliver the cold air output by the compressor to the freezer compartment and the variable temperature compartment.

[0028] Optionally, the refrigerator provided in this application embodiment also includes a temperature compensation module, which is disposed in the variable temperature compartment and is used to heat the variable temperature compartment.

[0029] This application embodiment also provides a storage medium storing control instructions, which, when executed by a processor, implement the refrigerator control method described above.

[0030] The refrigerator control method provided in this application continuously monitors the ambient temperature after the refrigerator's deep-cooling function is activated. When the ambient temperature is lower than a first set temperature (e.g., 8°C), the temperature of the variable-temperature compartment is continuously acquired. When the temperature of the variable-temperature compartment is lower than a second set temperature (e.g., 1°C), the fan is turned off, temporarily stopping the delivery of cold air, allowing the temperature of the variable-temperature compartment to gradually rise. This prevents the temperature of the variable-temperature compartment from continuously dropping below the set range and causing food to freeze. If the temperature of the variable-temperature compartment reaches a third set temperature (e.g., 3°C), the fan is turned on to deliver cold air normally, maintaining the temperature of the variable-temperature compartment within the set range and ensuring the normal operation of the refrigerator's deep-cooling function. This avoids the deep-cooling effect being affected by the fan being off for too long. This control method can adjust the temperature of the variable-temperature compartment without external force, achieving the adjustment purpose while saving adjustment costs. Attached Figure Description

[0031] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings. In the following description, the same reference numerals denote the same parts.

[0033] Figure 1 This is a first flowchart of a refrigerator control method provided in an embodiment of this application.

[0034] Figure 2 This is a second flowchart of a refrigerator control method provided in an embodiment of this application.

[0035] Figure 3 This is a third flowchart of a refrigerator control method provided in an embodiment of this application.

[0036] Figure 4 This is a first structural schematic diagram of a refrigerator provided in an embodiment of this application.

[0037] Figure 5 This is a schematic diagram of the second structure of a refrigerator provided in an embodiment of this application.

[0038] Explanation of reference numerals in the attached figures:

[0039] 1. Shell; 2. Variable temperature compartment; 3. Freezer compartment; 4. Fan; 5. Compressor; 6. Temperature compensation module. Detailed Implementation

[0040] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0041] This application provides a refrigerator control method, a refrigerator, and a storage medium to solve the problem that when the deep-cold function of an existing refrigerator is activated at a low ambient temperature, the temperature of the variable temperature compartment is easily lower than the set temperature, which may cause food to freeze and spoil. The following description is in conjunction with the accompanying drawings.

[0042] The refrigerator control method provided in this application embodiment is described in detail below. Figure 1 , Figure 1 This is a first flowchart of a refrigerator control method provided in an embodiment of this application. The refrigerator includes a freezer compartment 3, a variable temperature compartment 2, and a fan 4. The fan 4 is used to deliver cold air to the freezer compartment 3 and the variable temperature compartment 2. The refrigerator control method includes the following steps:

[0043] Step S1: After turning on the deep cooling function of freezer compartment 3, obtain the ambient temperature outside the refrigerator;

[0044] Step S2: When the ambient temperature is lower than the first set temperature, obtain the temperature inside the variable temperature chamber 2;

[0045] Step S3: If the temperature of the variable temperature chamber 2 is lower than the second set temperature, turn off the fan 4 to keep the temperature of the variable temperature chamber 2 within the set range;

[0046] Step S4: If the temperature of the variable temperature chamber 2 reaches the third set temperature, turn on the fan 4 to keep the temperature of the variable temperature chamber 2 within the set range and maintain the deep cooling effect of the freezer 3.

[0047] The third set temperature is higher than the second set temperature, and the setting range includes both the third set temperature and the second set temperature.

[0048] The refrigerator control method provided in this application continuously monitors the ambient temperature after the refrigerator's deep-cooling function is activated. When the ambient temperature is lower than a first set temperature (e.g., 8°C), the temperature of the variable-temperature compartment 2 is continuously monitored. When the temperature of the variable-temperature compartment 2 is lower than a second set temperature (e.g., 1°C), the fan 4 is turned off, temporarily stopping the delivery of cold air, allowing the temperature of the variable-temperature compartment 2 to gradually rise. This prevents the temperature of the variable-temperature compartment 2 from continuously decreasing and falling below the set range, which could cause food to freeze. If the temperature of the variable-temperature compartment 2 reaches a third set temperature (e.g., 3°C), the fan 4 is turned on to deliver cold air normally, maintaining the temperature of the variable-temperature compartment 2 within the set range and ensuring the normal operation of the refrigerator's deep-cooling function. This avoids the fan 4 being off for too long, which could affect the deep-cooling effect. This control method can adjust the temperature of the variable-temperature compartment 2 without external force, achieving the adjustment purpose while saving adjustment costs.

[0049] Optionally, the setting range can be 0-4℃, where the third setting temperature can be 2℃, 2.5℃, 3℃, etc., and the second setting temperature can be 1℃, 1.5℃, 2℃. Since the third and second setting temperatures are both within the setting range, the fan 4 is turned on or off when the temperature of the variable temperature chamber 2 is about to exceed the set range but has not yet exceeded it. This achieves the pre-adjustment step, avoiding adjustment when the temperature of the variable temperature chamber 2 exceeds the set range. Due to the adjustment time, the temperature of the variable temperature chamber 2 may exceed the set range during the adjustment time, which may cause the food in the variable temperature chamber 2 to spoil.

[0050] Optionally, the first set temperature can be 5-8℃, that is, the first set temperature can be 5℃, 6℃, 7℃, 8℃, etc.

[0051] Optionally, please refer to Figure 2 , Figure 2 This is a second flowchart of the refrigerator control method provided in this application embodiment. The refrigerator further includes a compressor 5, which is used to supply cooling to the fan 4. After executing step S3, if the temperature of the variable temperature compartment 2 is lower than the second set temperature, the fan 4 is turned off. The refrigerator control method further includes the following steps:

[0052] Step S31: If the temperature of the variable temperature chamber 2 reaches the third set temperature within the first set time, then turn on the fan 4;

[0053] Step S32: After the first set time, if the temperature of the variable temperature chamber 2 is lower than the third set temperature, then the compressor 5 is turned off to accelerate the heating of the variable temperature chamber 2.

[0054] If the temperature of the variable temperature compartment 2 rises to the third set temperature within the first set time, the fan 4 is turned on directly to maintain the temperature of the variable temperature compartment 2 within the set range. Simultaneously, the refrigerator's deep-cooling function operates normally without affecting its deep-cooling effect. If the temperature of the variable temperature compartment 2 does not rise to the third set temperature within the first set time, the compressor 5 is turned off, effectively shutting down the refrigerator's cooling components and completely stopping cooling. In this case, the temperature of the variable temperature compartment 2 rises relatively quickly, allowing it to reach the third set temperature as soon as possible, thus meeting the conditions for turning on the fan 4 and preventing the deep-cooling effect from being affected by the fan 4 being off for too long. By reserving a first set time for the variable temperature compartment 2 to naturally recover its temperature, the goal of achieving the desired effect without external force is achieved without significantly impacting the refrigerator's cooling performance, thus saving costs.

[0055] Optionally, the first set time can be from 20 minutes to 40 minutes. For example, it can be 20 minutes, 30 minutes, 40 minutes, etc. Preferably, the first set time is 30 minutes.

[0056] Optionally, please refer to Figure 3 , Figure 3 The third flowchart of the refrigerator control method provided in this application embodiment shows that after executing step S32 to turn off the compressor 5, the refrigerator control method further includes the following steps:

[0057] Step S321: If the temperature of the variable temperature chamber 2 reaches the third set temperature within the second set time, then turn on the fan 4 and compressor 5 to keep the temperature of the variable temperature chamber 2 within the set range and maintain the deep cooling effect;

[0058] Step S322: After the second set time, if the temperature of the variable temperature chamber 2 is lower than the third set temperature, then temperature compensation is activated for the variable temperature chamber 2 to raise the temperature of the variable temperature chamber 2 back to the third set temperature, and the fan 4 and compressor 5 are activated to maintain the deep cooling effect.

[0059] After compressor 5 is turned off, a second set time is reserved for the variable temperature compartment 2 to allow it to naturally warm up. If the temperature of variable temperature compartment 2 rises to the third set temperature within the second set time, fan 4 and compressor 5 are turned on again for normal cooling to ensure the deep-cooling effect of the refrigerator and to keep variable temperature compartment 2 within the set range. If the temperature of variable temperature compartment 2 does not rise to the third set temperature within the second set time, temperature compensation is performed to rapidly raise the temperature of variable temperature compartment 2 until it reaches the third set temperature, thus meeting the conditions for turning on fan 4 and compressor 5. This avoids affecting the deep-cooling effect of the refrigerator due to the fan 4 and compressor 5 being off for too long. The reserved second set time provides conditions for the variable temperature compartment 2 to naturally warm up, achieving the warming effect of variable temperature compartment 2 without external force while minimizing the impact on the deep-cooling effect of the refrigerator. Meanwhile, the temperature compensation function ensures the temperature recovery capability of the variable temperature compartment 2. When the variable temperature compartment 2 cannot recover naturally, the temperature compensation function is activated to ensure that the temperature of the variable temperature compartment 2 reaches the conditions for turning on the fan 4 and compressor 5. While achieving temperature regulation of the variable temperature compartment 2, the deep cooling effect of the refrigerator is also guaranteed.

[0060] Optionally, the second set time can be 5 to 10 minutes, for example, 5 minutes, 7 minutes, 10 minutes, etc.

[0061] Optionally, if the temperature of the variable temperature compartment reaches the third set temperature within the first set time in step S31, the refrigerator control method further includes step S311: adjusting the first set time according to the ambient temperature, wherein the ambient temperature outside the refrigerator is proportional to the first set time.

[0062] That is, when the ambient temperature outside the refrigerator rises, the first set time increases; when the ambient temperature outside the refrigerator falls, the first set time decreases accordingly. There is no further limitation on the ratio of the ambient temperature outside the refrigerator to the first set time; it can be determined based on specific application conditions. When the ambient temperature outside the refrigerator rises, the temperature of the variable temperature compartment will not quickly drop below the set range, causing food to freeze. Therefore, appropriately extending the first set time provides sufficient time for the variable temperature compartment to heat up, effectively increasing the compressor's shutdown conditions and minimizing the need for the compressor to shut down.

[0063] Optionally, if the temperature of the variable temperature compartment reaches the third set temperature within the second set time in step S321, before turning on the fan and compressor, the refrigerator control method further includes step S3211: adjusting the third set temperature and the second set temperature according to the ambient temperature, wherein the difference between the third set temperature and the second set temperature is proportional to the ambient temperature outside the refrigerator.

[0064] In other words, when the ambient temperature outside the refrigerator is high, the difference between the third set temperature and the second set temperature is also high; conversely, when the ambient temperature outside the refrigerator is low, the difference between the third set temperature and the second set temperature is also low. No further limitation is made on the proportional relationship between the ambient temperature outside the refrigerator and the difference between the third and second set temperatures; it can be determined based on specific application conditions. When the ambient temperature outside the refrigerator is high, the temperature of the variable temperature compartment will not quickly drop below the set range, causing food to freeze. Appropriately increasing the difference between the third and second set temperatures can reduce the frequency of temperature adjustments in the variable temperature compartment, reducing the number of times the fan is turned on and off, ensuring the normal operation of the refrigerator's deep-cooling function. When the ambient temperature outside the refrigerator is low, appropriately decreasing the difference between the third and second set temperatures ensures the sensitivity and timeliness of temperature adjustments in the variable temperature compartment, preventing the temperature from dropping too quickly and falling below the set range within the adjustment time, thus preventing food from freezing.

[0065] Optionally, the third set temperature is 1°C to 4°C higher than the second set temperature. Specifically, the third set temperature can be 1°C, 2°C, 3.5°C, 4°C, etc., higher than the second set temperature. Preferably, the third set temperature is 2°C higher than the second set temperature. For example, when the third set temperature is 3°C, the second set temperature can be 1°C.

[0066] This application also provides a refrigerator, applicable to the refrigerator control method described above. Please refer to [link / reference]. Figure 4 and Figure 5 , Figure 4 This is a first structural schematic diagram of a refrigerator provided in an embodiment of this application. Figure 5 The second structural diagram of the refrigerator provided in this application embodiment shows that the refrigerator includes a shell 1, a first temperature sensor, a freezer compartment 3, a variable temperature compartment 2, a fan 4, and a compressor 5. The first temperature sensor is disposed in the shell 1 and is used to detect the ambient temperature outside the shell 1; the freezer compartment 3 is disposed inside the shell 1 and has a deep-freezing function; the variable temperature compartment 2 is disposed inside the shell 1 and is equipped with a second temperature sensor, which detects the temperature inside the variable temperature compartment 2 when the ambient temperature outside the shell 1 is lower than a first set temperature; the fan 4 is disposed inside the shell 1, and the fan 4, the freezer compartment 3, and the variable temperature compartment 2 are connected in sequence, and the fan 4 is used to deliver cold air to the freezer compartment 3 and the variable temperature compartment 2; the fan 4 is turned off when the temperature of the variable temperature compartment 2 is lower than the second set temperature and turned on when the third set temperature is reached.

[0067] The refrigerator obtains the ambient temperature outside the refrigerator through the first temperature sensor and the temperature of the variable temperature compartment 2 through the second temperature sensor. The refrigerator executes the above-mentioned refrigerator control method according to the ambient temperature outside the refrigerator and the temperature value of the variable temperature compartment 2 to adjust the temperature of the variable temperature compartment 2, so as to prevent the temperature inside the variable temperature compartment 2 from falling below the set temperature and causing the food inside the variable temperature compartment 2 to freeze.

[0068] Optionally, the refrigerator provided in this application embodiment also includes a compressor 5 disposed inside the casing 1, and a fan 4 is used to deliver the cold air output by the compressor 5 to the freezer compartment 3 and the variable temperature compartment 2.

[0069] Optionally, the freezer compartment 3 is connected to the variable temperature compartment 2 via an air duct.

[0070] Optionally, the refrigerator provided in this embodiment also includes a temperature compensation module 6, which is installed inside the variable temperature compartment 2 and used to heat the variable temperature compartment 2. By setting the temperature compensation module 6, the variable temperature compartment 2 can be heated quickly so that its temperature can quickly rise to the third set temperature, preventing the temperature of the variable temperature compartment 2 from failing to rise to the third set temperature for a long time, which would prevent the fan 4 and compressor 5 from being turned on, thus affecting the deep cooling effect of the refrigerator.

[0071] Optionally, the temperature compensation module 6 can be a heating wire, which is installed inside the housing 1 and located outside the variable temperature chamber 2. When heating is required, the heating wire is turned on, and the heat emitted by the heating wire is conducted through the housing 1 to the variable temperature chamber 2, thereby achieving heating of the variable temperature chamber 2. The heating wire can be made of copper.

[0072] This application also provides a control device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor. The processor executes the computer program to implement the above-described refrigerator control method.

[0073] This application embodiment also provides a storage medium that stores control instructions, which, when executed by a processor, implement the refrigerator control method described above.

[0074] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0075] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features.

[0076] The control method, refrigerator, and storage medium of the refrigerator provided in the embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. A method for controlling a refrigerator, characterized in that, The refrigerator includes a freezer compartment, a variable temperature compartment, and a fan. The fan is used to supply cold air to the freezer compartment and the variable temperature compartment. The refrigerator control method includes: After activating the deep-freeze function of the freezer compartment, obtain the ambient temperature outside the refrigerator; When the ambient temperature is lower than the first set temperature, the temperature inside the variable temperature chamber is obtained; If the temperature of the variable temperature chamber is lower than the second set temperature, the fan is turned off to keep the temperature of the variable temperature chamber within the set range. If the temperature of the variable temperature chamber reaches the third set temperature, the fan is turned on to keep the temperature of the variable temperature chamber within the set range and maintain the deep cooling effect of the freezer. The third set temperature is higher than the second set temperature, and the set range includes both the third set temperature and the second set temperature. The refrigerator also includes a compressor. If the temperature of the variable temperature compartment is lower than the second set temperature, the refrigerator control method further includes turning off the fan. If the temperature of the variable temperature chamber reaches the third set temperature within a first set time period, the fan will be turned on. After the first set time, if the temperature of the variable temperature chamber is lower than the third set temperature, the compressor is turned off to accelerate the heating of the variable temperature chamber. If the temperature of the variable temperature compartment reaches the third preset temperature within a first preset time period, the control method for the refrigerator further includes the following steps before turning on the fan: The first set time is adjusted according to the ambient temperature, wherein the ambient temperature outside the refrigerator is proportional to the first set time.

2. The refrigerator control method according to claim 1, characterized in that, After the compressor is turned off, the refrigerator control method further includes: If the temperature of the variable temperature chamber reaches the third set temperature within the second set time period, the fan and the compressor are turned on to keep the temperature of the variable temperature chamber within the set range. After the second set time, if the temperature of the variable temperature chamber is lower than the third set temperature, temperature compensation is activated for the variable temperature chamber to raise its temperature back to the third set temperature, and the fan and compressor are turned on.

3. The refrigerator control method according to claim 2, characterized in that, If the temperature of the variable temperature compartment reaches the third set temperature within a second set time period, the refrigerator control method further includes the following steps before turning on the fan and the compressor: The third set temperature and the second set temperature are adjusted according to the ambient temperature, wherein the difference between the third set temperature and the second set temperature is proportional to the ambient temperature outside the refrigerator.

4. The refrigerator control method according to claim 1, characterized in that, The third set temperature is 1°C to 4°C higher than the second set temperature.

5. A refrigerator, characterized in that, The refrigerator includes: case; A first temperature sensor is disposed on the housing, and the first temperature sensor is used to detect the ambient temperature outside the housing; A freezer compartment is disposed within the housing, and the freezer compartment has a deep-freezing function; A variable temperature chamber is installed inside the housing. A second temperature sensor is installed inside the variable temperature chamber. When the ambient temperature outside the housing is lower than a first set temperature, the second temperature sensor detects the temperature inside the variable temperature chamber. A fan is installed inside the housing. The fan, the freezer chamber, and the variable temperature chamber are connected in sequence. The fan is used to deliver cold air to the freezer chamber and the variable temperature chamber. The fan is turned off when the temperature of the variable temperature chamber is lower than a second set temperature and turned on when the temperature reaches a third set temperature. The refrigerator also includes a compressor; Wherein, after the fan is turned off, if the temperature of the variable temperature chamber reaches the third set temperature within a first set time, the fan is turned on; after the first set time, if the temperature of the variable temperature chamber is lower than the third set temperature, the compressor is turned off to accelerate the heating of the variable temperature chamber. The first set time is adjusted according to the ambient temperature outside the casing, and the ambient temperature outside the casing is proportional to the first set time.

6. The refrigerator according to claim 5, characterized in that, The compressor is housed within the casing, and the fan is used to deliver the cold air output by the compressor to the freezer compartment and the variable temperature compartment.

7. The refrigerator according to claim 5, characterized in that, It also includes a temperature compensation module, which is installed inside the variable temperature chamber and is used to heat the variable temperature chamber.

8. A storage medium, characterized in that, The storage medium stores control instructions, which, when executed by a processor, implement the refrigerator control method as described in any one of claims 1-4.

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