Control method and device for refrigerator, refrigerator and storage medium

Abstract

The invention relates to the technical field of refrigerators, and discloses a control method for a refrigerator, and the refrigerator comprises a refrigeration circulating air duct which comprises an air inlet duct and an air return duct and is used for communicating a refrigeration chamber with an evaporator; one side of the moisture guide film is a moisture exchange section of the air inlet duct, the other side of the moisture guide film is a moisture exchange section of the air return duct, and the moisture guide film is used for carrying out moisture exchange on high-moisture air in the moisture exchange section of the air return duct and low-moisture air in the moisture exchange section of the air inlet duct; the first air door is arranged at an inlet of the moisture exchange section of the air inlet duct and used for controlling the moisture exchange section of the air inlet duct to be opened and closed; the method comprises the steps that the environment humidity of a refrigeration chamber is obtained; and the working state of the first air door is controlled according to the environment humidity of the refrigeration chamber. Fine regulation and control of the internal humidity of the refrigeration chamber can be achieved, and the refrigeration requirements of various types of food materials can be met. The invention further discloses a control device for the refrigerator, the refrigerator and a storage medium.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, for example, to a control method and device for refrigerators, and a refrigerator and a storage medium. Background Art

[0002] At present, with the improvement of people's living standards, the popularity of refrigerators is also increasing. Among them, air-cooled refrigerators are widely used because of their relatively uniform cooling temperature and excellent cooling effect. When an air-cooled refrigerator is turned on for refrigeration, cold air is produced through the evaporator in the variable temperature room, and then the evaporating fan blows the cold air into the cold storage room, thereby achieving reasonable cooling of the cold storage room. The circulating air then returns to the evaporator through the return air outlet of the cold storage room, thereby completing the air volume cycle. However, during the air circulation process, the moisture of the fruits and vegetables stored in the cold storage room will return to the evaporator along with the return air, and then form frost on the surface of the evaporator when it is cold. Over time, the frosting phenomenon of the evaporator will gradually intensify, thereby affecting the refrigeration effect of the refrigerator. At the same time, the relative humidity in the cold storage room will gradually decrease, which is not conducive to the moisture preservation of the food stored therein. To this end, the related art proposes a humidification system for an air-cooled refrigerator, including: a circulating air duct and a humidification component; the circulating air duct includes an inlet air duct and a return air duct; the two ends of the inlet air duct are respectively connected to the refrigerator compartment and the evaporator of the refrigerator, and the inlet air direction is from the evaporator to the refrigerator compartment; the two ends of the return air duct are respectively connected to the refrigerator compartment and the evaporator, and the return air direction is from the refrigerator compartment to the evaporator; the humidification component is installed inside the circulating air duct, and is respectively connected to the inlet air duct and the return air duct; the humidification component includes a water-conducting membrane and a support frame; the support frame is arranged between the water-conducting membrane and the circulating air duct, and is used to support and fix the water-conducting membrane; one side of the water-conducting membrane is the inlet air duct, and the other side is the return air duct; the moisture in the return air duct is conducted to the inlet air duct by the water-conducting membrane. The related art can increase the humidity of the incoming air and achieve the humidification effect of the refrigerator compartment of the air-cooled refrigerator.

[0003] In the process of implementing the embodiments of the present disclosure, it is found that there are at least the following problems in the related art:

[0004] When dry goods are stored in the refrigerator, the humidity in the refrigerator compartment needs to be appropriately reduced to prevent the dry goods from getting damp. However, in the related art, the humidification component continuously exchanges humidity, so the refrigerator compartment is always kept in a high humidity condition, and the humidity inside the refrigerator compartment cannot be finely controlled, which is not conducive to the specific refrigeration needs of some types of food.

[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Summary of the invention

[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0007] The embodiments of the present disclosure provide a control method and device for a refrigerator, as well as a refrigerator and a storage medium, which can achieve fine control of the humidity inside the refrigeration compartment, and are conducive to meeting the refrigeration needs of various types of food.

[0008] In some embodiments, the refrigerator includes a refrigeration circulation air duct, including an air inlet duct and a return air duct, which are used to connect the refrigeration compartment and the evaporator; a moisture-conducting membrane, one side of which is a dehumidification section of the air inlet duct, and the other side of which is a dehumidification section of the return air duct, which is used to exchange humidity between high-humidity air in the dehumidification section of the return air duct and low-humidity air in the dehumidification section of the air inlet duct; a first damper, which is arranged at the entrance of the dehumidification section of the air inlet duct, and is used to control the opening and closing of the dehumidification section of the air inlet duct; the method includes: obtaining the ambient humidity of the refrigeration compartment; and controlling the working state of the first damper according to the ambient humidity of the refrigeration compartment.

[0009] In some embodiments, the device includes: a processor and a memory storing program instructions, and the processor is configured to execute the above-mentioned control method for a refrigerator when running the program instructions.

[0010] In some embodiments, the refrigerator includes: a refrigeration circulation air duct, including an air inlet duct and a return air duct, which is used to connect the refrigeration compartment and the evaporator; a moisture-conducting membrane, one side of which is the dehumidification section of the air inlet duct, and the other side is the dehumidification section of the return air duct, which is used to exchange humidity between the high-humidity air in the dehumidification section of the return air duct and the low-humidity air in the dehumidification section of the air inlet duct; a first air door, which is arranged at the entrance of the dehumidification section of the air inlet duct, and is used to control the opening and closing of the dehumidification section of the air inlet duct.

[0011] In some embodiments, the storage medium stores program instructions, and when the program instructions are run, the above-mentioned control method for the refrigerator is executed.

[0012] The control method, device, refrigerator, and storage medium provided in the embodiments of the present disclosure can achieve the following technical effects:

[0013] In the disclosed embodiment, a moisture-conducting membrane is added to the refrigerated circulation air duct, and the membrane is used to separate part of the inlet air duct and part of the return air duct, so that a moisture-converting section of the inlet air duct and a moisture-converting section of the return air duct are formed on both sides of the moisture-conducting membrane, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting membrane. Therefore, on the one hand, the disclosed embodiment can reduce the humidity of the return air returning to the evaporator, which is beneficial to reducing the amount of frost on the evaporator. On the other hand, it can increase the humidity of the incoming air entering the refrigerated compartment, which is beneficial to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the disclosed embodiment is also provided with a first damper at the entrance of the moisture-converting section of the inlet air duct, which can control the opening and closing of the moisture-converting section of the inlet air duct, so as to determine whether the refrigerated inlet air contacts the moisture-conducting membrane. And the disclosed embodiment can continuously monitor the ambient humidity of the refrigerated compartment to determine whether the current humidity value of the refrigerated compartment is appropriate. If it is not appropriate, the embodiment of the present disclosure adaptively adjusts the working state of the first air door to determine whether it is necessary to increase the current air intake humidity through the moisture-conducting film so that it can match the actual humidity condition in the refrigerating room. Therefore, the embodiment of the present disclosure can achieve fine control of the humidity inside the refrigerating room, which is conducive to meeting the refrigeration needs of various types of food.

[0014] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:

[0016] Figure 1 is a schematic diagram of a refrigerator provided by an embodiment of the present disclosure;

[0017] Figure 2 is a schematic diagram of another refrigerator provided by an embodiment of the present disclosure;

[0018] Figure 3 is a schematic diagram of another refrigerator provided by an embodiment of the present disclosure;

[0019] Figure 4 is a schematic diagram of a refrigeration air circulation provided by an embodiment of the present disclosure;

[0020] Figure 5 is a schematic diagram of a control method for a refrigerator provided by an embodiment of the present disclosure;

[0021] Figure 6 is a schematic diagram of another control method for a refrigerator provided by an embodiment of the present disclosure;

[0022] Figure 7is a schematic diagram of another control method for a refrigerator provided by an embodiment of the present disclosure;

[0023] Figure 8 is a schematic diagram of another control method for a refrigerator provided by an embodiment of the present disclosure;

[0024] Fig. 9 is a schematic diagram of a control device for a refrigerator provided by an embodiment of the present disclosure;

[0025] Fig.10 It is a schematic diagram of another refrigerator provided by an embodiment of the present disclosure.

[0026] Reference numerals:

[0027] 11: air inlet duct; 111: dehumidification section of air inlet duct; 112: non-dehumidification section of air inlet duct; 12: return air duct; 121: dehumidification section of return air duct; 122: non-dehumidification section of return air duct; 20: moisture-conducting membrane; 31: first air door; 32: second air door; 41: return air outlet; 42: external return air outlet; 90: control device for refrigerator; 901: processor; 902: memory; 903: communication interface; 904: bus. DETAILED DESCRIPTION

[0028] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0029] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

[0030] Unless otherwise stated, the term "plurality" means two or more.

[0031] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.

[0032] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.

[0033] The term "correspondence" may refer to an association relationship or a binding relationship. The correspondence between A and B means that there is an association relationship or a binding relationship between A and B.

[0034] At present, with the improvement of people's living standards, the popularity of refrigerators is also increasing. Among them, air-cooled refrigerators are widely used because of their relatively uniform cooling temperature and excellent cooling effect. When an air-cooled refrigerator is turned on for refrigeration, cold air is produced through the evaporator in the variable temperature room, and then the evaporating fan blows the cold air into the cold storage room, thereby achieving reasonable cooling of the cold storage room. The circulating air then returns to the evaporator through the return air outlet of the cold storage room, thereby completing the air volume cycle. However, during the air circulation process, the moisture of the fruits and vegetables stored in the cold storage room will return to the evaporator along with the return air, and then form frost on the surface of the evaporator when it is cold. Over time, the frosting phenomenon of the evaporator will gradually intensify, thereby affecting the refrigeration effect of the refrigerator. At the same time, the relative humidity in the cold storage room will gradually decrease, which is not conducive to the moisture preservation of the food stored therein. To this end, the related art proposes a humidification system for an air-cooled refrigerator, including: a circulating air duct and a humidification component; the circulating air duct includes an inlet air duct and a return air duct; the two ends of the inlet air duct are respectively connected to the refrigerator compartment and the evaporator of the refrigerator, and the inlet air direction is from the evaporator to the refrigerator compartment; the two ends of the return air duct are respectively connected to the refrigerator compartment and the evaporator, and the return air direction is from the refrigerator compartment to the evaporator; the humidification component is installed inside the circulating air duct, and is respectively connected to the inlet air duct and the return air duct; the humidification component includes a water-conducting membrane and a support frame; the support frame is arranged between the water-conducting membrane and the circulating air duct, and is used to support and fix the water-conducting membrane; one side of the water-conducting membrane is the inlet air duct, and the other side is the return air duct; the moisture in the return air duct is conducted to the inlet air duct by the water-conducting membrane. The related art can increase the humidity of the incoming air and achieve the humidification effect of the refrigerator compartment of the air-cooled refrigerator.

[0035] When dry goods are stored in the refrigerator, the humidity in the refrigerator compartment needs to be appropriately reduced to prevent the dry goods from getting damp. However, in the related art, the humidification component continuously exchanges humidity, so the refrigerator compartment is always kept in a high humidity condition, and the humidity inside the refrigerator compartment cannot be finely controlled, which is not conducive to the specific refrigeration needs of some types of food.

[0036] Combination Figure 1-3As shown, the embodiment of the present disclosure provides a refrigerator, including: a refrigeration circulation air duct, a moisture-conducting film 20 and a first air door 31. The refrigeration circulation air duct includes an air inlet duct 11 and a return air duct 12, which are used to connect the refrigeration compartment and the evaporator. The moisture-conducting film 20 has a moisture-converting section 111 of the air inlet duct on one side and a moisture-converting section 121 of the return air duct on the other side, which is used to exchange humidity between the high-humidity air in the moisture-converting section 121 of the return air duct and the low-humidity air in the moisture-converting section 111 of the air inlet duct. The first air door 31 is provided at the entrance of the moisture-converting section 111 of the air inlet duct, and is used to control the opening and closing of the moisture-converting section 111 of the air inlet duct.

[0037] In the refrigerator provided by the embodiment of the present disclosure, a moisture-conducting film 20 is added to the refrigeration circulation air duct, and the moisture-conducting film 20 is used to separate part of the inlet air duct 11 and part of the return air duct 12, so that the moisture-conducting film 20 forms a moisture-conducting section 111 of the inlet air duct and a moisture-conducting section 121 of the return air duct on both sides, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting film 20. Therefore, on the one hand, the embodiment of the present disclosure can reduce the humidity of the return air returning to the evaporator, which is beneficial to reducing the amount of frost on the evaporator. On the other hand, it can increase the humidity of the incoming air entering the refrigerated compartment, which is beneficial to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the embodiment of the present disclosure is also provided with a first air door 31 at the entrance of the moisture-conducting section 111 of the inlet air duct, which can control the opening and closing of the moisture-conducting section 31 of the inlet air duct, so as to determine whether the refrigerated incoming air contacts the moisture-conducting film 20. Therefore, the embodiment of the present disclosure can adaptively adjust the working state of the first air door 31 to determine whether it is necessary to increase the current air intake humidity through the moisture-conducting film 20 so that it can match the actual humidity condition in the refrigerating compartment. Therefore, the embodiment of the present disclosure can achieve fine control of the humidity inside the refrigerating compartment, which is conducive to meeting the refrigeration needs of various types of food.

[0038] Optionally, there are multiple dehumidification sections 111 of the air inlet duct, and the multiple dehumidification sections 111 of the air inlet duct are arranged in parallel. In this way, the embodiment of the present disclosure can increase the contact area with the moisture-conducting membrane 20, thereby facilitating the improvement of the dehumidification effect.

[0039] Optionally, there are multiple dehumidification sections 121 of the return air duct, and the multiple dehumidification sections 121 of the return air duct are arranged in parallel. In this way, the embodiment of the present disclosure can increase the contact area with the moisture-conducting membrane 20, thereby facilitating the improvement of the dehumidification effect.

[0040] Optionally, the moisture conductive film 20 has multiple layers, and the multiple layers of moisture conductive films 20 are arranged in parallel. In this way, the embodiment of the present disclosure can increase the moisture exchange area of ​​the moisture conductive film 20, thereby facilitating the improvement of the moisture exchange effect.

[0041] Optionally, the dehumidification sections 111 of the plurality of air inlet ducts are arranged crosswise with the dehumidification sections 121 of the plurality of air return ducts. In this way, by crosswisely arranging the dehumidification sections 111 of the air inlet ducts and the dehumidification sections 121 of the air return ducts, the disclosed embodiment can utilize the moisture-conducting membrane 20 between the two to complete humidity exchange and form a multi-layer dehumidification structure, thereby facilitating improving the dehumidification effect.

[0042] Optionally, the air inlet direction in the dehumidification section 111 of the air inlet duct is perpendicular to the air outlet direction in the dehumidification section 121 of the air return duct. In this way, by making the air inlet direction and the air outlet direction on both sides of the moisture conductive film 20 perpendicular to each other, the embodiment of the present disclosure can promote the humidity exchange process between the two, thereby facilitating the improvement of the dehumidification effect.

[0043] Optionally, the moisture-conducting film 20 is a graphene porous moisture-permeable film. It has better water permeability, which is conducive to the rapid migration of moisture on both sides of the moisture-conducting film 20, thereby improving the humidity exchange effect. Specifically, the humidity of the air on both sides of the moisture-conducting film 20 is different. Under the action of the moisture-conducting film 20, the moisture of the high-humidity air in the humidity exchange section 121 of the return air duct migrates to the low-humidity air in the humidity exchange section 111 of the inlet air duct, so that the humidity of the return air gradually decreases and the humidity of the inlet air gradually increases.

[0044] Optionally, the first damper 31 includes a first driving member and a first door body that can be controlled to rotate. Exemplarily, in some embodiments, the first driving member is a rotating shaft, and the first door body is hinged to the rotating shaft. In this way, the first driving member can drive the first door body to rotate, thereby realizing the control of the opening and closing of the dehumidification section 111 of the air inlet duct. Specifically, when the first damper 31 is in the first state, the first driving member controls the first door body to rotate counterclockwise until the first door body abuts against the lower wall of the air inlet duct 11 (the inner wall of the air duct on the side away from the dehumidification section 111 of the air inlet duct), thereby opening the dehumidification section 111 of the air inlet duct. When the first damper 31 is in the second state, the first driving member controls the first door body to rotate clockwise until the first door body abuts against the upper wall of the air inlet duct 11 (the inner wall of the air duct on the side close to the dehumidification section 111 of the air inlet duct), thereby closing the dehumidification section 111 of the air inlet duct.

[0045] Optionally, an external return air port 42 is provided at the outlet 121 of the humidification section of the return air duct, and the external return air port 42 is provided with a second damper 32. In this way, the embodiment of the present disclosure can control the opening and closing of the external return air port 42, so as to determine whether the refrigerated return air passes through and contacts the moisture conductive film 20. Further, the embodiment of the present disclosure can adaptively adjust the working state of the second damper 32 to determine whether the current return air humidity needs to be reduced through the moisture conductive film 20 so that it can match the actual humidity condition in the refrigerated room.

[0046] Optionally, the second damper 32 includes a second driving member and a second door body that can be controlled to slide. Exemplarily, in some embodiments, the second driving member is a gear shaft, and the second door body is provided with a cooperable rack. In this way, the second door body can be driven to move by the second driving member, thereby realizing the control of the opening and closing of the external return air outlet 42. Specifically, when the second damper 32 is in the third state, the second driving member controls the second door body to slide to the left until the second door body completely covers the external return air outlet 42, thereby closing the external return air outlet 42. When the second damper 32 is in the fourth state, the second driving member controls the second door body to slide to the right until the second door body completely exposes the external return air outlet 42, thereby opening the external return air outlet 42.

[0047] Optionally, the air inlet duct 11 includes a dehumidification section 111 of the air inlet duct and a non-dehumidification section 112 of the air inlet duct. The dehumidification section 111 of the air inlet duct is arranged in parallel with the non-dehumidification section 112 of the air inlet duct. In this way, the disclosed embodiment can make part of the air inlet duct 11 contact with the moisture-conducting membrane 20 to form the dehumidification section 111 of the air inlet duct. At the same time, the disclosed embodiment also retains part of the air inlet duct 11 that is not in contact with the moisture-conducting membrane 20 to form the non-dehumidification section 112 of the air inlet duct. And the two are arranged in parallel and linked to the first air door 31 at the entrance of the dehumidification section 111 of the air inlet duct. The disclosed embodiment can use the first air door 31 to select a reasonable air inlet path to determine whether the refrigerated air is in contact with the moisture-conducting membrane 20. In addition, the humidity of the air inlet reaching the refrigerated compartment can be adjusted, which is conducive to the fine control of the humidity inside the refrigerated compartment.

[0048] Optionally, the return air duct 12 includes a humidification section 121 of the return air duct and a non-humidification section 122 of the return air duct. The humidification section 121 of the return air duct and the non-humidification section 122 of the return air duct are arranged in series. In this way, the embodiment of the present disclosure can make the front half of the return air duct 12 contact with the moisture-conducting membrane 20 to form the humidification section 121 of the return air duct. At the same time, the embodiment of the present disclosure also retains the back half of the return air duct 12 that does not contact the moisture-conducting membrane 20 to form the non-humidification section 122 of the return air duct. And the two are arranged in series, and the second air door 32 of the external return air outlet 42 (the external return air outlet 42 can also be arranged in the non-humidification section 122 of the return air duct) is linked. The embodiment of the present disclosure can use the second air door 32 to select a reasonable return air path to determine whether the refrigerated return air passes through the moisture-conducting membrane 20 and contacts it. This can then adjust the humidity of the return air to the evaporator, which is beneficial for achieving fine control of the humidity inside the refrigerated compartment.

[0049] Combination Figure 4As shown, the embodiment of the present disclosure provides a schematic diagram of refrigerated air circulation. The solid line portion represents a refrigerated air circulation path, at which time, the first damper 31 for selecting the air inlet path is in the first state, and the second damper 32 for selecting the return air path is in the third state. In this way, when the first damper 31 is in the first state, the dehumidification section 111 of the air inlet duct is opened, and the refrigerated air enters the cold storage room through the dehumidification section 111 of the air inlet duct. Since the low-humidity air in the air inlet duct 11 will come into contact with the moisture-conducting membrane 20, the moisture in the high-humidity air in the return air duct 12 can penetrate into the air inlet duct 11 through the moisture-conducting membrane 20, thereby gradually increasing the humidity of the incoming air, which is beneficial to increasing the ambient humidity in the cold storage room. Similarly, when the second air door 32 is in the third state, the outer return air port 42 is closed, and the high-humidity air carrying moisture in the cold storage room enters the humidity exchange section 121 of the return air duct through the return air port 41, and then exchanges humidity with the low-humidity air in the humidity exchange section 111 of the inlet air duct. Since the high-humidity air in the return air duct 12 can come into contact with the moisture-conducting membrane 20, the moisture in the high-humidity air can penetrate through the moisture-conducting membrane 20 into the inlet air duct 11 and return to the cold storage room, so that the humidity of the return air can be reduced, which is conducive to preventing the ambient humidity in the cold storage room from being reduced.

[0050] The dotted line portion indicates another refrigerated air circulation path, in which the first damper 31 for selecting the air inlet path is in the second state, and the second damper 32 for selecting the return air path is in the fourth state. Thus, when the first damper 31 is in the second state, the dehumidification section 111 of the air inlet duct is closed, and the refrigerated air enters the refrigerated room through the non-dehumidification section 112 of the air inlet duct. Since the low-humidity air in the air inlet duct 11 does not come into contact with the moisture-conducting membrane 20, the humidity of the air entering the refrigerated room will not increase. Similarly, when the second damper 32 is in the fourth state, the external return air port 42 is opened, and negative pressure is formed at the external return air port 42, and the high-humidity air carrying moisture in the refrigerated room directly returns to the evaporator through the external return air port 42. Since the high-humidity air in the return air duct 12 does not contact the moisture-conducting membrane 20, the humidity of the return air reaching the evaporator will not decrease due to humidity exchange. The moisture in the refrigerated compartment will gradually enter the compartment where the evaporator is located along with the refrigerated return air, and the ambient humidity in the refrigerated compartment will gradually decrease.

[0051] Based on the above refrigerator, combined Figure 5 As shown, the embodiment of the present disclosure provides a control method for a refrigerator, comprising:

[0052] S501: The processor obtains the ambient humidity of the refrigerated compartment.

[0053] S502: The processor controls the working state of the first damper according to the ambient humidity of the refrigerated compartment.

[0054] According to the control method for refrigerators provided by the embodiment of the present disclosure, a moisture-conducting film is added to the refrigeration circulation air duct, and the film is used to separate part of the inlet air duct and part of the return air duct, so that the moisture-conducting section of the inlet air duct and the moisture-conducting section of the return air duct are formed on both sides of the moisture-conducting film, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting film. Therefore, on the one hand, the embodiment of the present disclosure can reduce the humidity of the return air returning to the evaporator, which is beneficial to reducing the amount of frost on the evaporator. On the other hand, the humidity of the inlet air entering the refrigerated compartment can be increased, which is beneficial to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the embodiment of the present disclosure is also provided with a first air door at the entrance of the moisture-conducting section of the inlet air duct, which can control the opening and closing of the moisture-conducting section of the inlet air duct, so as to determine whether the refrigerated inlet air contacts the moisture-conducting film. And the embodiment of the present disclosure can continuously monitor the ambient humidity of the refrigerated compartment to determine whether the current humidity value of the refrigerated compartment is appropriate. If it is not appropriate, the embodiment of the present disclosure adaptively adjusts the working state of the first air door to determine whether it is necessary to increase the current air intake humidity through the moisture-conducting film so that it can match the actual humidity condition in the refrigerating room. Therefore, the embodiment of the present disclosure can achieve fine control of the humidity inside the refrigerating room, which is conducive to meeting the refrigeration needs of various types of food.

[0055] Optionally, the processor controls the working state of the first damper according to the ambient humidity of the refrigerated compartment, including: when the ambient humidity of the refrigerated compartment is less than the lower limit of a preset humidity range, the processor controls the first damper to be in the first state; or when the ambient humidity of the refrigerated compartment is greater than the upper limit of a preset humidity range, the processor controls the first damper to be in the second state. The first damper in the first state opens the dehumidification section of the air inlet duct, and the first damper in the second state closes the dehumidification section of the air inlet duct.

[0056] In this way, the embodiment of the present disclosure can adaptively adjust the working state of the first damper according to the relationship between the ambient humidity of the refrigerated compartment and the preset humidity range, so as to determine whether it is necessary to increase the current inlet air humidity through the moisture-conducting film so that it can match the actual humidity condition in the refrigerated compartment. When the ambient humidity of the refrigerated compartment is less than the lower limit of the preset humidity range, it indicates that the moisture in the refrigerated compartment enters the compartment where the evaporator is located along with the refrigerated return air. At this time, the relative humidity in the refrigerated compartment gradually decreases, which is not conducive to the moisture preservation of some foods and is easy to aggravate the frosting phenomenon of the evaporator. To this end, the embodiment of the present disclosure controls the first damper to be in the first state to open the humidity exchange section of the inlet air duct, so that the low-humidity air in the humidity exchange section of the inlet air duct can exchange humidity with the high-humidity air in the humidity exchange section of the return air duct. As a result, the moisture in the high-humidity air in the return air duct can penetrate into the inlet air duct through the moisture-conducting film, thereby increasing the humidity of the inlet air entering the refrigerated compartment, which is conducive to ensuring the moisture preservation effect of fruits and vegetables, and can reduce the current return air humidity, which is conducive to reducing the amount of frosting on the evaporator. When the ambient humidity of the cold storage room is greater than the upper limit of the preset humidity range, it indicates that the current moisture content in the cold storage room is too high, which is not conducive to the moisture-proof storage of dry food, and food frost is prone to occur. To this end, the disclosed embodiment controls the first damper to be in the second state to close the humidity exchange section of the air inlet duct, so that the low-humidity air in the air inlet duct does not come into contact with the moisture-conducting membrane, and thus the humidity of the incoming air reaching the cold storage room does not increase. At the same time, the ambient humidity in the cold storage room will gradually decrease as the refrigerated return air takes away moisture, which is beneficial to ensuring the moisture-proof storage effect of dry food and avoiding the occurrence of food frost. Therefore, the disclosed embodiment can achieve fine control of the humidity inside the cold storage room, which is beneficial to meeting the refrigeration needs of various types of food.

[0057] Optionally, the control method for a refrigerator further includes: the processor determines a preset humidity range according to the type of food stored in the refrigerated compartment. In this way, the embodiment of the present disclosure can determine a suitable refrigeration humidity range in combination with the specific type of food stored in the refrigerated compartment. This is conducive to finely controlling the humidity inside the refrigerated compartment and meeting the refrigeration requirements of various types of food.

[0058] Optionally, the processor determines the preset humidity range according to the type of stored food in the refrigerated compartment, including: when the stored food type includes only fruit and vegetable food, determining the preset humidity range to be the first humidity range; or when the stored food type includes both fruit and vegetable food and dry food, determining the preset humidity range to be the second humidity range; or when the stored food type includes only dry food, determining the preset humidity range to be the third humidity range. The average humidity of the first humidity range is greater than the average humidity of the second humidity range, and the average humidity of the second humidity range is greater than the average humidity of the third humidity range.

[0059] In this way, the embodiment of the present disclosure can set a first humidity range with a relatively high humidity for fruits and vegetables with a large demand for moisture, in order to create a high humidity environment in the refrigerator that is convenient for the preservation and storage of fruits and vegetables. For dry goods with a large demand for moisture-proofing, a third humidity range with a relatively low humidity is set, in order to create a low humidity environment in the refrigerator that is convenient for the moisture-proof storage of dry goods. And for the situation where fruits and vegetables and dry goods are stored at the same time, the embodiment of the present disclosure sets a second humidity range with a medium humidity, in order to create a medium humidity environment in the refrigerator that meets both the requirements for the preservation of fruits and vegetables and the requirements for the moisture-proofing of dry goods, thereby facilitating the refrigeration requirements of various types of food.

[0060] Optionally, the disclosed embodiment may also be provided with other types of stored food, not limited to the above-mentioned fruit and vegetable food and dry food. For example, in some embodiments, more types of stored food such as meat food and cereal food may be taken into consideration, thereby improving the accuracy of humidity control in the refrigerator compartment. The preset humidity range may be adjusted and set according to the corresponding type of stored food, which is not listed here one by one. At the same time, based on the above-mentioned multiple preset humidity ranges, the refrigerator may make corresponding functional adjustments to achieve fine control of the humidity inside the refrigerator compartment.

[0061] Based on the above refrigerator, combined Figure 6 As shown, the embodiment of the present disclosure provides another control method for a refrigerator, comprising:

[0062] S601: The processor obtains the ambient humidity of the refrigerated compartment.

[0063] S602: The processor controls the working state of the first damper according to the ambient humidity of the refrigerated compartment.

[0064] S603: The processor controls the working state of the second damper according to the ambient humidity of the refrigerating compartment.

[0065] According to the control method for refrigerators provided by the embodiment of the present disclosure, a moisture-conducting film is added to the refrigeration circulation air duct, and the film is used to separate part of the inlet air duct and part of the return air duct, so that the moisture-conducting section of the inlet air duct and the moisture-conducting section of the return air duct are formed on both sides of the moisture-conducting film, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting film. Therefore, on the one hand, the embodiment of the present disclosure can reduce the humidity of the return air returning to the evaporator, which is conducive to reducing the amount of frost on the evaporator. On the other hand, the humidity of the inlet air entering the refrigerated compartment can be increased, which is conducive to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the embodiment of the present disclosure is also provided with a first damper at the entrance of the moisture-conducting section of the inlet air duct, which can control the opening and closing of the moisture-conducting section of the inlet air duct, so as to determine whether the refrigerated inlet air contacts the moisture-conducting film to increase the humidity of the inlet air. Similarly, the embodiment of the present disclosure is also provided with a second damper at the outlet of the moisture-conducting section of the return air duct, which can control the opening and closing of the external return air port, so as to determine whether the refrigerated return air contacts the moisture-conducting film to reduce the humidity of the return air. Furthermore, the disclosed embodiment can continuously monitor the ambient humidity of the refrigerated compartment to determine whether the current humidity value of the refrigerated compartment is appropriate. If it is not appropriate, the disclosed embodiment adaptively adjusts the working state of the first damper and the second damper to determine whether it is necessary to increase the current inlet air humidity through the moisture-conducting membrane and reduce the return air humidity so that it can match the actual humidity condition in the refrigerated compartment. Therefore, the disclosed embodiment can achieve fine control of the humidity inside the refrigerated compartment, which is conducive to meeting the refrigeration needs of various types of food.

[0066] Optionally, the processor controls the working state of the second damper according to the ambient humidity of the refrigerated compartment, including: when the ambient humidity of the refrigerated compartment is less than the lower limit of the preset humidity range, the processor controls the second damper to be in the third state; or when the ambient humidity of the refrigerated compartment is greater than the upper limit of the preset humidity range, the processor controls the second damper to be in the fourth state. The second damper in the third state closes the external return air outlet, and the second damper in the fourth state opens the external return air outlet.

[0067] In this way, the disclosed embodiment can adaptively adjust the working state of the second damper according to the relationship between the ambient humidity of the refrigerated compartment and the preset humidity range, so as to determine whether it is necessary to reduce the current return air humidity through the moisture-conducting membrane so that it can match the actual humidity conditions in the refrigerated compartment. When the ambient humidity of the refrigerated compartment is less than the lower limit of the preset humidity range, it indicates that the moisture in the refrigerated compartment enters the compartment where the evaporator is located along with the refrigerated return air. At this time, the relative humidity in the refrigerated compartment gradually decreases, which is not conducive to the moisture preservation of some foods and is easy to aggravate the frosting phenomenon of the evaporator. To this end, the disclosed embodiment controls the second damper to be in the third state to close the external return air port, so that the high-humidity air carrying moisture in the refrigerated compartment enters the humidification section of the return air duct through the return air port, and then exchanges humidity with the low-humidity air in the humidification section of the air inlet duct. Thus, the moisture in the high-humidity air in the return air duct can penetrate the moisture-conducting membrane into the air inlet duct, thereby increasing the air inlet humidity entering the refrigerated compartment, which is beneficial to ensuring the moisturizing and fresh-keeping effect of fruits and vegetables, and can reduce the current return air humidity, which is beneficial to reducing the amount of frosting on the evaporator. When the ambient humidity in the refrigerated compartment is greater than the upper limit of the preset humidity range, it indicates that the current moisture in the refrigerated compartment is high, which is not conducive to the moisture-proof storage of dry food, and it is easy to cause food frost. To this end, the disclosed embodiment controls the second air door to be in the fourth state to open the external return air port and form a negative pressure, and the high-humidity air carrying moisture in the refrigerated compartment directly returns to the evaporator through the external return air port. Since the high-humidity air in the return air duct does not contact the moisture-conducting membrane, the return air humidity reaching the evaporator will not decrease due to humidity exchange. At this time, the ambient humidity in the refrigerated compartment will gradually decrease as the refrigerated return air takes away moisture, which is beneficial to ensuring the moisture-proof storage effect of dry food and can avoid the occurrence of food frost. Therefore, the disclosed embodiment can achieve fine control of the humidity inside the refrigeration compartment, which is helpful to meet the refrigeration needs of various types of food.

[0068] Based on the above refrigerator, combined Figure 7 As shown, the embodiment of the present disclosure provides another control method for a refrigerator, comprising:

[0069] S701: The processor obtains the ambient temperature of the refrigeration compartment.

[0070] S702: When the ambient temperature of the refrigerated compartment is less than or equal to a first preset temperature, the processor controls the first damper to be in a second state.

[0071] Among them, the first damper in the second state closes the humidity exchange section of the air inlet duct.

[0072] S703: The processor obtains the ambient humidity of the refrigerated compartment.

[0073] S704: The processor controls the working state of the first damper according to the ambient humidity of the refrigerated compartment.

[0074] According to the control method for refrigerators provided by the embodiment of the present disclosure, a moisture-conducting film is added to the refrigeration circulation air duct, and the film is used to separate part of the inlet air duct and part of the return air duct, so that the moisture-conducting section of the inlet air duct and the moisture-conducting section of the return air duct are formed on both sides of the moisture-conducting film, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting film. Therefore, on the one hand, the embodiment of the present disclosure can reduce the humidity of the return air returning to the evaporator, which is conducive to reducing the amount of frost on the evaporator. On the other hand, the humidity of the inlet air entering the refrigerated compartment can be increased, which is conducive to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the embodiment of the present disclosure is also provided with a first air door at the entrance of the moisture-conducting section of the inlet air duct, which can control the opening and closing of the moisture-conducting section of the inlet air duct, so as to determine whether the refrigerated inlet air contacts the moisture-conducting film. And the embodiment of the present disclosure can first detect the ambient temperature of the refrigerated compartment to determine whether the refrigerated compartment is currently in an extremely low temperature condition. If the ambient temperature of the cold storage compartment is less than or equal to the first preset temperature, the first damper is controlled to be in the second state to close the humidity exchange section of the air inlet duct so that the low-humidity air in the air inlet duct does not come into contact with the moisture-conducting membrane, and thus the humidity of the air inlet reaching the cold storage compartment will not increase. At this time, the cold storage compartment will not enter a low-temperature and high-humidity operating condition, and thus the occurrence of food frost can be avoided to a certain extent. Then the disclosed embodiment can continuously monitor the ambient humidity of the cold storage compartment to determine whether the current humidity value of the cold storage compartment is appropriate. If not, the disclosed embodiment adaptively adjusts the working state of the first damper to determine whether it is necessary to increase the current air inlet humidity through the moisture-conducting membrane so that it can match the actual humidity condition in the cold storage compartment. Thus, the disclosed embodiment can achieve fine control of the humidity inside the cold storage compartment, which is conducive to meeting the refrigeration needs of various types of food.

[0075] Optionally, after the processor controls the first damper to be in the second state, it also includes: when the ambient temperature of the cold storage compartment is less than or equal to the first preset temperature, the processor controls the second damper to be in the fourth state. Wherein, the second damper in the fourth state opens the external return air vent. In this way, the disclosed embodiment can open the external return air vent and form a negative pressure, and the high-humidity air carrying moisture in the cold storage compartment directly returns to the evaporator through the external return air vent. Since the high-humidity air in the return air duct does not contact the moisture-conducting membrane, the humidity of the return air reaching the evaporator will not decrease due to humidity exchange. At this time, the ambient humidity in the cold storage compartment will gradually decrease as the refrigerated return air takes away moisture, which is beneficial to ensure the moisture-proof storage effect of dry food. In addition, it is further ensured that the cold storage compartment will not enter a low-temperature and high-humidity operating condition, and the occurrence of food frost can also be avoided.

[0076] and / or,

[0077] Optionally, after the processor controls the first damper to be in the second state, the process further includes: when the ambient temperature of the refrigerated compartment is less than or equal to the second preset temperature, the processor controls the evaporative fan to stop running. The second preset temperature is less than the first preset temperature. Thus, when the ambient temperature of the refrigerated compartment is less than or equal to the second preset temperature, it indicates that the refrigerated compartment is currently in an extremely low temperature condition. Therefore, the embodiment of the present disclosure controls the evaporative fan to stop running, so that the refrigeration system stops transmitting cold to the refrigerated compartment, thereby enabling the ambient temperature of the refrigerated compartment to gradually rise, which is beneficial to avoid the occurrence of food frost.

[0078] Optionally, the first preset temperature can be set according to the type of stored food. For example, if the stored food type includes fruit and vegetable food, a relatively large first preset temperature can be set to prevent the fruit and vegetable from releasing moisture and causing frost. Preferably, the first preset temperature is 1°C. The first preset temperature can also be adjusted according to the actual needs of the user, and can also be set to any other value such as 0.5°C or 2°C.

[0079] Optionally, the second preset temperature can be set according to the type of stored food. For example, if the stored food type includes fruit and vegetable food, a relatively large second preset temperature can be set to prevent the fruit and vegetable from releasing moisture and causing frost. Preferably, the second preset temperature is 0°C. The second preset temperature can also be adjusted according to the actual needs of the user, and can also be set to any other value such as -0.5°C or 0.5°C.

[0080] Based on the above refrigerator, combined Figure 8 As shown, the embodiment of the present disclosure provides another control method for a refrigerator, comprising:

[0081] S801: The processor obtains the coil temperature of the evaporator.

[0082] S802: When the coil temperature of the evaporator is less than or equal to a third preset temperature, the processor controls the first damper to be in a first state.

[0083] Among them, the first damper in the first state opens the humidity exchange section of the air inlet duct.

[0084] S803: The processor obtains the ambient humidity of the refrigerated compartment.

[0085] S804: The processor controls the working state of the first damper according to the ambient humidity of the refrigerated compartment.

[0086] According to the control method for refrigerators provided by the embodiment of the present disclosure, a moisture-conducting membrane is added to the refrigeration circulation air duct, and the membrane is used to separate part of the inlet air duct and part of the return air duct, so that the moisture-conducting section of the inlet air duct and the moisture-conducting section of the return air duct are formed on both sides of the moisture-conducting membrane, respectively, and the humidity exchange process between the return air high-humidity air and the inlet air low-humidity air can be completed under the action of the moisture-conducting membrane. Therefore, on the one hand, the embodiment of the present disclosure can reduce the humidity of the return air returning to the evaporator, which is beneficial to reducing the amount of frost on the evaporator. On the other hand, the humidity of the inlet air entering the refrigerated compartment can be increased, which is beneficial to ensuring the moisturizing and fresh-keeping effect of the stored food. In addition, the embodiment of the present disclosure is also provided with a first damper at the entrance of the moisture-conducting section of the inlet air duct, which can control the opening and closing of the moisture-conducting section of the inlet air duct, so as to determine whether the refrigerated inlet air contacts the moisture-conducting membrane. And the embodiment of the present disclosure can first detect the coil temperature of the evaporator to determine whether the evaporator is currently in an extremely low temperature condition. If the coil temperature of the evaporator is less than or equal to the third preset temperature, the first damper is controlled to be in the first state to open the dehumidification section of the air inlet duct, so that the low-humidity air in the dehumidification section of the air inlet duct can exchange humidity with the high-humidity air in the dehumidification section of the return air duct, thereby reducing the humidity of the return air reaching the evaporator. At this time, the evaporator will not enter the low-temperature and high-humidity working conditions, so the aggravation of the frost phenomenon of the evaporator can be avoided to a certain extent. Then the embodiment of the present disclosure can continuously monitor the ambient humidity of the cold storage compartment to determine whether the current humidity value of the cold storage compartment is appropriate. If not, the embodiment of the present disclosure adaptively adjusts the working state of the first damper to determine whether it is necessary to increase the current air inlet humidity through the moisture-conducting film so that it can match the actual humidity conditions in the cold storage compartment. Therefore, the embodiment of the present disclosure can achieve fine control of the humidity inside the cold storage compartment, which is conducive to meeting the refrigeration needs of various types of food.

[0087] Optionally, after the processor controls the first damper to be in the first state, it also includes: when the coil temperature of the evaporator is less than or equal to the third preset temperature, the processor controls the second damper to be in the third state. Among them, the second damper in the third state closes the external return air outlet. In this way, the disclosed embodiment can close the external return air outlet, so that the high-humidity air carrying moisture in the cold storage room enters the humidification section of the return air duct through the return air outlet, and then exchanges humidity with the low-humidity air in the humidification section of the inlet air duct. As a result, the moisture in the high-humidity air in the return air duct can penetrate into the inlet air duct through the moisture-conducting membrane, thereby increasing the humidity of the incoming air entering the cold storage room, which is beneficial to ensuring the moisturizing and fresh-keeping effect of fruits and vegetables. In addition, the current return air humidity can be reduced, further ensuring that the evaporator will not enter a low-temperature and high-humidity operating condition, which is beneficial to reducing the amount of frosting on the evaporator, and can also avoid the aggravation of the frosting phenomenon on the evaporator.

[0088] and / or,

[0089] Optionally, after the processor controls the first damper to be in the first state, it also includes: when the coil temperature of the evaporator is less than or equal to a fourth preset temperature, the processor controls the compressor to stop running. The fourth preset temperature is less than the third preset temperature. In this way, when the coil temperature of the evaporator is less than or equal to the fourth preset temperature, it indicates that the evaporator is currently in an extremely low temperature condition. Therefore, the embodiment of the present disclosure controls the compressor to stop running, so that the refrigeration system stops generating cold, so that the coil temperature of the evaporator can gradually rise, which is conducive to avoiding the aggravation of the frosting phenomenon of the evaporator.

[0090] Optionally, the third preset temperature can be set according to the amount of frost on the evaporator. For example, if the amount of frost on the evaporator is large, a relatively large third preset temperature can be set to avoid the frost on the evaporator from aggravating and triggering the automatic defrosting process of the refrigerator. Preferably, the third preset temperature is -6°C. The third preset temperature can also be adjusted according to the actual needs of the user, and can also be set to any other value such as -7°C or -5°C.

[0091] Optionally, the fourth preset temperature can be set according to the amount of frost on the evaporator. For example, if the amount of frost on the evaporator is large, a relatively large fourth preset temperature can be set to avoid the frost on the evaporator from aggravating and triggering the automatic defrosting process of the refrigerator. Preferably, the fourth preset temperature is -10°C. The fourth preset temperature can also be adjusted according to the actual needs of the user, and can also be set to any other value such as -12°C or -8°C.

[0092] Combination Fig. 9 As shown, the embodiment of the present disclosure provides a control device 90 for a refrigerator, including a processor 901 and a memory 902. Optionally, the device may also include a communication interface 903 and a bus 904. The processor 901, the communication interface 903, and the memory 902 may communicate with each other through the bus 904. The communication interface 903 may be used for information transmission. The processor 901 may call the logic instructions in the memory 902 to execute the control method for the refrigerator of the above embodiment.

[0093] In addition, the logic instructions in the memory 902 described above may be implemented in the form of software functional units and when sold or used as independent products, may be stored in a computer-readable storage medium.

[0094] The memory 902 is a computer-readable storage medium that can be used to store software programs and computer-executable programs, such as program instructions / modules corresponding to the method in the embodiment of the present disclosure. The processor 901 executes the function application and data processing by running the program instructions / modules stored in the memory 902, that is, the control method for the refrigerator in the above embodiment is implemented.

[0095] The memory 902 may include a program storage area and a data storage area, wherein the program storage area may store an operating system and an application required for at least one function; the data storage area may store data created according to the use of the terminal device, etc. In addition, the memory 902 may include a high-speed random access memory and may also include a non-volatile memory.

[0096] Combination Fig.10 As shown, an embodiment of the present disclosure provides a refrigerator 100, including: a refrigerator body, and the above-mentioned control device 90 for the refrigerator. The control device 90 for the refrigerator is installed in the refrigerator body. The installation relationship described here is not limited to placement inside the product, but also includes installation connections with other components of the product, including but not limited to physical connections, electrical connections or signal transmission connections, etc. Those skilled in the art can understand that the control device 90 for the refrigerator can be adapted to a feasible product body, thereby realizing other feasible embodiments.

[0097] An embodiment of the present disclosure provides a computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions are configured to execute the above-mentioned control method for a refrigerator.

[0098] The computer-readable storage medium mentioned above may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.

[0099] The technical solution of the embodiment of the present disclosure can be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in the embodiment of the present disclosure. The aforementioned storage medium may be a non-transient storage medium, including: a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and other media that can store program codes, or a transient storage medium.

[0100] The above description and the accompanying drawings fully illustrate the embodiments of the present disclosure so that those skilled in the art can practice them. Other embodiments may include structural, logical, electrical, process and other changes. The embodiments represent only possible changes. Unless explicitly required, separate components and functions are optional, and the order of operation may vary. The parts and features of some embodiments may be included in or replace the parts and features of other embodiments. Moreover, the words used in this application are only used to describe the embodiments and are not used to limit the claims. As used in the description of the embodiments and the claims, unless the context clearly indicates, the singular forms of "a", "an" and "the" are intended to include plural forms as well. Similarly, the term "and / or" as used in this application refers to any and all possible combinations of listings containing one or more associated ones. In addition, when used in the present application, the term "comprise" and its variants "comprises" and / or comprising refer to the presence of stated features, wholes, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, wholes, steps, operations, elements, components and / or groups thereof. In the absence of further restrictions, the elements defined by the sentence "comprising a ..." do not exclude the presence of other identical elements in the process, method or device comprising the elements. In this article, each embodiment may focus on the differences from other embodiments, and the same and similar parts between the various embodiments may refer to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, then the relevant parts can refer to the description of the method part.

[0101] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software may depend on the specific application and design constraints of the technical solution. The technicians may use different methods for each specific application to implement the described functions, but such implementations should not be considered to exceed the scope of the embodiments of the present disclosure. The technicians may clearly understand that, for the convenience and simplicity of description, the specific working processes of the systems, devices and units described above may refer to the corresponding processes in the aforementioned method embodiments, and will not be repeated here.

[0102] In the embodiments disclosed herein, the disclosed methods and products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units can be only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between each other shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms. The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to implement this embodiment. In addition, each functional unit in the embodiment of the present disclosure may be integrated in a processing unit, or each unit may exist physically alone, or two or more units may be integrated in one unit.

[0103] The flowchart and block diagram in the accompanying drawings show the possible architecture, function and operation of the system, method and computer program product according to the embodiment of the present disclosure. In this regard, each box in the flowchart or block diagram can represent a module, a program segment or a part of the code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function. In some alternative implementations, the functions marked in the box can also occur in a different order from the order marked in the accompanying drawings. For example, two consecutive boxes can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. In the description corresponding to the flowchart and the block diagram in the accompanying drawings, the operations or steps corresponding to different boxes can also occur in a different order from the order disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, which can depend on the functions involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, may be implemented by a dedicated hardware-based system that performs the specified functions or actions, or may be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A control method for a refrigerator, characterized in that: The refrigerator comprises a refrigeration circulation air duct, including an air inlet duct and a return air duct, for connecting the refrigeration compartment and the evaporator; a moisture conductive membrane, one side of which is a moisture exchange section of the air inlet duct, and the other side of which is a moisture exchange section of the return air duct, for exchanging humidity between high-humidity air in the moisture exchange section of the return air duct and low-humidity air in the moisture exchange section of the air inlet duct; a first air door, provided at the entrance of the moisture exchange section of the air inlet duct, for controlling the opening and closing of the moisture exchange section of the air inlet duct; the method comprises: Get the ambient humidity of the cold storage room; The working state of the first air door is controlled according to the ambient humidity of the refrigerated compartment.

2. The method according to claim 1, characterized in that The step of controlling the working state of the first damper according to the ambient humidity of the refrigerated compartment includes: When the ambient humidity of the refrigerated compartment is less than the lower limit of the preset humidity range, the first damper is controlled to be in the first state; or When the ambient humidity of the refrigerated compartment is greater than an upper limit of a preset humidity range, controlling the first damper to be in a second state; Among them, the first damper in the first state opens the dehumidification section of the air inlet duct, and the first damper in the second state closes the dehumidification section of the air inlet duct.

3. The method according to claim 1, characterized in that: An external return air outlet is provided at the outlet of the dehumidification section of the return air duct, and a second air door is provided at the external return air outlet to control the opening and closing of the external return air outlet; the method further includes: The working state of the second air door is controlled according to the ambient humidity of the refrigerated compartment.

4. The method according to claim 3, characterized in that The controlling the working state of the second damper according to the ambient humidity of the refrigerated compartment comprises: When the ambient humidity of the refrigerated compartment is less than the lower limit of the preset humidity range, the second damper is controlled to be in the third state; or When the ambient humidity of the refrigerated compartment is greater than an upper limit of a preset humidity range, controlling the second damper to be in a fourth state; Among them, the second damper in the third state closes the external return air outlet, and the second damper in the fourth state opens the external return air outlet.

5. The method according to any one of claims 1 to 4, characterized in that: The method further comprises: Get the ambient temperature of the cold storage room; When the ambient temperature of the refrigerated compartment is less than or equal to the first preset temperature, controlling the first damper to be in the second state; Among them, the first damper in the second state closes the humidity exchange section of the air inlet duct.

6. The method according to claim 5, characterized in that An external return air outlet is provided at the outlet of the dehumidification section of the return air duct, and a second damper is provided at the external return air outlet for controlling the opening and closing of the external return air outlet; after the first damper is controlled to be in the second state, the method further includes: When the ambient temperature of the refrigerated compartment is less than or equal to the first preset temperature, controlling the second damper to be in the fourth state; and / or, When the ambient temperature of the refrigerated compartment is less than or equal to the second preset temperature, the evaporating fan is controlled to stop running; Among them, the second damper in the fourth state opens the external return air outlet, and the second preset temperature is lower than the first preset temperature.

7. The method according to any one of claims 1 to 4, characterized in that: The method further comprises: Get the coil temperature of the evaporator; When the coil temperature of the evaporator is less than or equal to a third preset temperature, controlling the first damper to be in a first state; Among them, the first damper in the first state opens the humidity exchange section of the air inlet duct.

8. The method according to claim 7, characterized in that An external return air outlet is provided at the outlet of the dehumidification section of the return air duct, and a second damper is provided at the external return air outlet for controlling the opening and closing of the external return air outlet; after controlling the first damper to be in the first state, the method further includes: When the coil temperature of the evaporator is less than or equal to a third preset temperature, controlling the second damper to be in a third state; and / or, When the coil temperature of the evaporator is less than or equal to a fourth preset temperature, controlling the compressor to stop running; Among them, the second damper in the third state closes the external return air outlet, and the fourth preset temperature is lower than the third preset temperature.

9. A control device for a refrigerator, comprising a processor and a memory storing program instructions, characterized in that: The processor is configured to execute the control method for a refrigerator according to any one of claims 1 to 8 when running the program instructions.

10. A refrigerator, characterized in that: include: The refrigeration circulation air duct includes an air inlet duct and a return air duct, which are used to connect the refrigeration compartment and the evaporator; The moisture-conducting membrane has a moisture-exchange section of the air inlet duct on one side and a moisture-exchange section of the return air duct on the other side, and is used to exchange humidity between the high-humidity air in the moisture-exchange section of the return air duct and the low-humidity air in the moisture-exchange section of the air inlet duct; The first air door is arranged at the entrance of the dehumidification section of the air inlet duct and is used to control the opening and closing of the dehumidification section of the air inlet duct.

11. The refrigerator according to claim 10, characterized in that: An external return air port is provided at the outlet of the humidity exchange section of the return air duct, and the refrigerator further comprises: The second air door is arranged at the outer return air outlet and is used to control the opening and closing of the outer return air outlet; The control device for a refrigerator as claimed in claim 9, electrically connected to the first damper and the second damper.

12. A storage medium storing program instructions, characterized in that: When the program instructions are executed, the control method for a refrigerator according to any one of claims 1 to 8 is executed.

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