Method and device for controlling refrigerator, refrigerator and computer readable storage medium

Abstract

The invention relates to the technical field of intelligent household appliances, and discloses a method for controlling a refrigerator, which comprises the following steps: detecting the state of a door body; and when the door body is opened, the fan is controlled to rotate, so that the air outlet duct is in a positive pressure state. When the door body is opened, the fan is controlled to rotate to enable the air duct to be in the positive pressure state, external humid and hot air can be accurately prevented from entering the position above the evaporator from the air outlet duct, and the control accuracy of the fan is improved. The situation that the upper portion of the evaporator is abnormally frosted due to wet and hot air is avoided, normal operation of defrosting control is guaranteed, and user experience is improved. The invention further discloses a device for controlling the refrigerator, the refrigerator and a computer readable storage medium.

Description

Technical Field

[0001] This application relates to the technical field of smart home appliances, for example, to a method and device for controlling a refrigerator, a refrigerator, and a computer-readable storage medium. Background Art

[0002] Currently, during the refrigeration process of a refrigerator, through the circulation of a fan, the hot air inside the cabinet is cooled by the evaporator. During this process, the water vapor in the hot air adheres to the surface of the evaporator and the fins. The evaporator body shows a decreasing amount of frosting from bottom to top. Existing refrigerators place heating wires at the bottom of the evaporator and set temperature sensors above the evaporator. The heating wires defrost at the bottom of the evaporator, and the heat generated by the heating wires is transmitted to the upper part of the evaporator through natural convection. The temperature sensor located above the evaporator detects the temperature to determine whether to end the defrosting. However, during actual operation, users will open the door to access food. During the process of opening the door to access food, opening the door will cause the fan to stop (existing program). At this time, the outside hot air may enter the cabinet and flow back through the air duct to the upper part of the evaporator, resulting in an abnormal situation of additional frosting of the humid hot air above the evaporator. At this time, if defrosting control is entered, due to the abnormal situation of additional frosting above the evaporator near the temperature sensor, the temperature detection value may rise more slowly compared to the normal frosting situation, increasing the defrosting time and thus increasing power consumption.

[0003] The related art discloses a method for controlling a freezer fan, including the following steps: detecting the opening and closing state of the door body. If the current door body is in the closed state, controlling the refrigeration system to operate according to the preset program when the door is closed. If the current door body is in the open state, detecting the on / off state of the compressor; if the current compressor is in the on state, controlling the evaporation fan to operate at the first speed. When the door opening time exceeds the preset value, controlling the evaporation fan to operate at the second speed until the door is closed; if the current compressor is in the off state, monitoring the door opening distance and controlling the evaporation fan to operate at different speeds according to the door opening distance. When the door opening time exceeds the preset value, controlling the entire system to operate according to the preset program when the door is closed until the door is closed. It can effectively reduce the temperature fluctuation inside the freezer, maintain the stability of the environment for storing items inside, and ensure the quality of the items.

[0004] 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:

[0005] Adopting the related art reduces the influence of external hot air on the storage of items in the compartment. However, the related art only considers the situation where external hot air enters the compartment and affects the quality of the stored items, and does not consider the situation where humid hot air affects the frosting of the evaporator, thereby affecting the defrosting control. As a result, the control of the fan speed using the related art is not precise enough, and it is impossible to accurately avoid the abnormal frosting above the evaporator caused by humid hot air, resulting in a large energy consumption for defrosting control and a poor user experience.

[0006] It should be noted that the information disclosed in the above background art section is only used to enhance the understanding of the background of the present application, and thus may include information that does not constitute the prior art known to those of ordinary skill in the art. Summary of the Invention

[0007] To provide a basic understanding of some aspects of the disclosed embodiments, a simple summary is given below. This summary is not a comprehensive review, nor is it intended to identify key / important elements or delineate the scope of protection of these embodiments. Instead, it serves as a prelude to the subsequent detailed description.

[0008] Embodiments of the present disclosure provide a method and device for controlling a refrigerator, a refrigerator, and a computer-readable storage medium to improve the accuracy of fan control, thereby avoiding abnormal frosting above the evaporator caused by humid and hot air, ensuring the normal operation of defrost control, and enhancing the user experience.

[0009] In some embodiments, the refrigerator includes a door body, an evaporator disposed behind the box body, and a fan disposed above the evaporator. The fan is configured to blow the air cooled by the evaporator from the air outlet duct into the compartment; the method includes: detecting the state of the door body; when the door body is opened, controlling the fan to rotate so that the air outlet duct is in a positive pressure state.

[0010] Optionally, controlling the fan to rotate includes: controlling the fan to rotate at the lowest speed.

[0011] Optionally, after controlling the fan to rotate, it further includes: detecting the current pressure in the air outlet duct; adjusting the speed of the fan according to the current pressure in the air outlet duct.

[0012] Optionally, adjusting the speed of the fan according to the current pressure in the air outlet duct includes: determining a compensation speed corresponding to the current pressure according to a preset correspondence; correcting the speed of the fan according to the compensation speed.

[0013] Optionally, correcting the speed of the fan according to the compensation speed includes: determining the sum value of the speed of the fan and the compensation speed as the target speed; adjusting the speed of the fan to the target speed.

[0014] Optionally, the method for determining whether the door body is opened is as follows: detecting the rotation angle of the door body; when the rotation angle is greater than or equal to a set angle, starting timing; determining whether the door body is opened according to the duration for which the rotation angle is greater than or equal to the set angle.

[0015] Optionally, determining whether the door body is opened according to the duration for which the rotation angle is greater than or equal to the set angle includes: determining a duration threshold corresponding to the set angle according to the set angle; when the duration for which the rotation angle is greater than the set angle is greater than or equal to the duration threshold, determining that the door body is opened.

[0016] In some embodiments, the device includes: a processor and a memory storing program instructions, and the processor is configured to execute the above-mentioned method for controlling a refrigerator when executing the above program instructions.

[0017] In some embodiments, the refrigerator includes:

[0018] A refrigerator body, including a door, an evaporator disposed behind the box body, and a blower disposed above the evaporator, the blower being configured to blow the air cooled by the evaporator from the air outlet duct to the compartment; and,

[0019] The above-mentioned device for controlling a refrigerator is installed on the refrigerator body.

[0020] In some embodiments, the computer-readable storage medium stores program instructions, and when the above program instructions are running, they execute the above-mentioned method for controlling a refrigerator.

[0021] The method, device, refrigerator, and computer-readable storage medium for controlling a refrigerator provided by the embodiments of the present disclosure can achieve the following technical effects:

[0022] Detect the state of the door. When the door is opened, control the blower to rotate so that the air outlet duct is in a positive pressure state. When the door is opened, by controlling the blower to rotate to make the air outlet duct in a positive pressure state, it can accurately prevent external humid and hot air from entering above the evaporator from the air outlet duct, improving the accuracy of blower control. It avoids the situation that abnormal frosting appears above the evaporator due to humid and hot air, ensures the normal operation of defrosting control, and improves the user experience.

[0023] The above general description and the following description are only exemplary and explanatory, and are not used to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] One or more embodiments are exemplarily illustrated by corresponding drawings. These exemplary illustrations and the drawings do not constitute limitations on the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements. The drawings do not constitute a scale limitation, and among them:

[0025] Figure 1 is a schematic diagram of a method for controlling a refrigerator provided by an embodiment of the present disclosure;

[0026] Figure 2 is a schematic diagram of another method for controlling a refrigerator provided by an embodiment of the present disclosure;

[0027] Figure 3 is a schematic diagram of another method for controlling a refrigerator provided by an embodiment of the present disclosure;

[0028] Figure 4 It is a schematic diagram of another method for controlling a refrigerator provided by an embodiment of the present disclosure;

[0029] Figure 5 It is a schematic diagram of a device for controlling a refrigerator provided by an embodiment of the present disclosure;

[0030] Figure 6 It is a schematic diagram of a refrigerator provided by an embodiment of the present disclosure. Detailed implementation manners

[0031] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are only for reference and explanation, and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of explanation, numerous details are provided to give a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other instances, well-known structures and devices may be shown in a simplified manner to simplify the drawings.

[0032] In the specification and claims of the embodiments of the present disclosure and the above-mentioned accompanying drawings, terms such as "first" and "second" are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that such data may be interchanged under appropriate circumstances so that the embodiments of the present disclosure described herein can be implemented. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0033] Unless otherwise specified, the term "plurality" means two or more.

[0034] In the embodiments of the present disclosure, the character " / " indicates that the objects before and after are in an "or" relationship. For example, A / B means: A or B.

[0035] The term "and / or" is a description of the associated relationship of an object, indicating that three relationships may exist. For example, A and / or B means: A or B, or, the three relationships of A and B.

[0036] The term "corresponding" may refer to an associated relationship or a binding relationship. A corresponding to B means that there is an associated relationship or a binding relationship between A and B.

[0037] In the embodiments of the present disclosure, an intelligent household appliance device refers to a household appliance product formed after introducing a microprocessor, sensor technology, and network communication technology into a household appliance device, and has the characteristics of intelligent control, intelligent perception, and intelligent application. The operation process of an intelligent household appliance device often depends on the application and processing of modern technologies such as the Internet of Things, the Internet, and electronic chips. For example, an intelligent household appliance device can be connected to an electronic device to realize remote control and management of the intelligent household appliance device by a user.

[0038] In the disclosed embodiments, the terminal device refers to an electronic device with wireless connection capabilities. The terminal device can communicate with the intelligent home appliance devices as described above by connecting to the Internet, or directly communicate with the intelligent home appliance devices as described above through methods such as Bluetooth or Wi-Fi. In some embodiments, the terminal device is, for example, a mobile device, a computer, or an in-vehicle device built into a hover car, etc., or any combination thereof. The mobile device can, for example, include a mobile phone, a smart home device, a wearable device, a smart mobile device, a virtual reality device, etc., or any combination thereof. Among them, the wearable device can, for example, include a smart watch, a smart bracelet, a pedometer, etc.

[0039] Currently, during the refrigeration process of a refrigerator, through the circulation of the fan, the hot air inside the cabinet is cooled by the evaporator. During this process, the water vapor in the hot air adheres to the surface of the evaporator and the fins. The frosting on the evaporator body shows a decreasing trend from bottom to top. In existing refrigerators, heating wires are placed at the bottom of the evaporator, and temperature sensors are set above the evaporator. The heating wires defrost the evaporator at the bottom, and the heat generated by the heating wires is transmitted to the upper part of the evaporator through natural convection. The temperature sensor located above the evaporator detects the temperature to determine whether to end the defrosting. However, during actual operation, when the user opens the door to access food, opening the door will cause the fan to stop (existing program). At this time, the external hot air may enter the cabinet and flow back through the air duct to the upper part of the evaporator, resulting in an abnormal situation where humid and hot air frost forms additionally above the evaporator. At this time, if defrosting control is entered, due to the abnormal situation of additional frosting above the evaporator near the temperature sensor, the temperature detection value may rise more slowly compared to the normal frosting situation, increasing the defrosting time and thus increasing power consumption. Related technologies disclose a method for controlling the fan of a freezer, including the following steps: detecting the opening and closing state of the door body. If the current door body is in the closed state, control the refrigeration system to operate according to the preset program when the door is closed. If the current door body is in the open state, detect the on-off state of the compressor; if the current compressor is in the on state, control the evaporation fan to operate at the first speed. When the door opening time exceeds the preset value, control the evaporation fan to operate at the second speed until the door is closed; if the current compressor is in the off state, monitor the door opening distance and control the evaporation fan to operate at different speeds according to the door opening distance. When the door opening time exceeds the preset value, control the entire system to operate according to the preset program when the door is closed until the door is closed. This can effectively reduce the temperature fluctuation inside the freezer, maintain the stability of the environment for storing items inside, and ensure the quality of the items. Using related technologies reduces the influence of external hot air on the storage of items in the compartment. However, related technologies only consider the situation where external hot air enters the compartment and affects the quality of stored items, and do not consider the situation where humid and hot air affects the frosting of the evaporator, thus affecting the defrosting control, resulting in inaccurate control of the fan speed using related technologies, unable to accurately avoid the abnormal frosting above the evaporator caused by humid and hot air, resulting in a large energy consumption for defrosting control and poor user experience.

[0040] An embodiment of the present disclosure discloses a refrigerator, including a door body, an evaporator disposed behind the cabinet body, a fan disposed above the evaporator, and a processor. The fan is used to blow the air cooled by the evaporator from the air outlet duct into the compartment to store items. The processor is electrically connected to the above-mentioned electrical components and is used to control the above-mentioned electrical components to perform actions.

[0041] Figures 1 to 4It is a schematic diagram of a method for controlling a refrigerator provided by an embodiment of the present disclosure. Any of the following methods can be executed in the refrigerator, or in a server or a terminal device communicatively connected to the refrigerator. In the embodiments of the present disclosure, the refrigerator is taken as the execution subject to illustrate the solution.

[0042] Based on the above refrigerator structure, as Figure 1 shown, an embodiment of the present disclosure provides a method for controlling a refrigerator, including:

[0043] S01, the refrigerator detects the state of the door body.

[0044] S02, when the door body is opened, the refrigerator controls the blower to rotate, so that the air outlet duct is in a positive pressure state.

[0045] By using the method for controlling a refrigerator provided by the embodiment of the present disclosure, the state of the door body is detected. When the door body is opened, the blower is controlled to rotate, so that the air outlet duct is in a positive pressure state. When the door body is opened, by controlling the blower to rotate to make the air outlet duct in a positive pressure state, it can accurately prevent external humid and hot air from entering above the evaporator through the air outlet duct, improving the accuracy of blower control. It avoids the situation that abnormal frosting appears above the evaporator due to humid and hot air, ensures the normal operation of defrosting control, and improves the user experience.

[0046] Based on the above refrigerator structure, as Figure 2 shown, an embodiment of the present disclosure provides a method for controlling a refrigerator, including:

[0047] S01, the refrigerator detects the state of the door body.

[0048] S21, when the door body is opened, the refrigerator controls the blower to rotate at the lowest speed, so that the air outlet duct is in a positive pressure state.

[0049] Among them, when the refrigerator controls the blower to rotate, in addition to controlling the blower to rotate at the lowest speed, it can also control the blower to rotate at any initial speed. For example, control the blower to rotate at the highest speed, or control the blower to rotate at a set proportion of the highest speed, etc. The set proportion can be determined according to relevant parameters of the opening of the refrigerator door body. For example, let the highest speed at the set proportion be the initial speed. The set proportion can be determined according to the opening angle of the refrigerator door body, or the set proportion can be determined according to the opening duration of the refrigerator door body, etc. Specifically, when the set proportion is determined according to the opening angle of the refrigerator door body, the angle difference between the opening angle of the refrigerator door body and the set angle can be calculated first, and then the initial speed can be determined according to the angle difference. The refrigerator controls the blower to rotate at the initial speed, and the angle difference is positively correlated with the initial speed. When the set proportion is determined according to the opening duration of the refrigerator door body, the duration difference between the opening duration of the refrigerator door body and the set duration can be calculated first, and then the initial speed can be determined according to the duration difference. The refrigerator controls the blower to rotate at the initial speed, and the duration difference is positively correlated with the initial speed.

[0050] When the method for controlling a refrigerator provided by the embodiments of the present disclosure is adopted, when the door body is opened, the refrigerator controls the blower to rotate at the lowest speed. By continuously rotating the blower at the lowest speed, the air outlet duct can be in a positive pressure state and energy can be saved.

[0051] Based on the above refrigerator structure, as Figure 3 shown, the embodiments of the present disclosure provide a method for controlling a refrigerator, including:

[0052] S01, the refrigerator detects the state of the door body.

[0053] S02, when the door body is opened, the refrigerator controls the blower to rotate.

[0054] S31, the refrigerator detects the current pressure in the air outlet duct.

[0055] S32, the refrigerator adjusts the rotation speed of the blower according to the current pressure in the air outlet duct so that the air outlet duct is in a positive pressure state.

[0056] When the method for controlling a refrigerator provided by the embodiments of the present disclosure is adopted, the refrigerator detects the current pressure in the air outlet duct and adjusts the rotation speed of the blower according to the current pressure in the air outlet duct so that the air outlet duct is in a positive pressure state. By adjusting the wind speed according to the current pressure in the air outlet duct, the wind speed of the blower can be matched with the current pressure in the air outlet duct, thereby improving the accuracy of the blower rotation speed and the energy efficiency of the blower.

[0057] Optionally, the refrigerator adjusts the rotation speed of the blower according to the current pressure in the air outlet duct, including: the refrigerator determines a compensation rotation speed corresponding to the current pressure according to a preset corresponding relationship; the refrigerator corrects the rotation speed of the blower according to the compensation rotation speed.

[0058] Wherein, the preset corresponding relationship can be determined by any method, for example, by looking up a table, experimental measurement method or system model method, etc. Specifically, by using the experimental measurement method, the rotation speed of the blower under different pressures can be measured experimentally to establish the corresponding relationship between the actual measurement data and the compensation rotation speed. For example, the rotation speed of the blower can be recorded under different pressures, and then a curve can be drawn or regression analysis can be performed based on these data to obtain the preset corresponding relationship between the compensation rotation speed and the pressure. By using the system model method, a mathematical model between the pressure in the air outlet duct and the rotation speed of the blower can be established, and the preset corresponding relationship can be obtained through model derivation. For example, based on the principles of fluid mechanics and control theory, a pressure-rotation speed transfer function can be established to make the function describe the relationship between the compensation rotation speed and the pressure.

[0059] In this way, the refrigerator determines the compensation rotation speed corresponding to the current pressure according to the preset corresponding relationship, which can make the compensation rotation speed match the current pressure in the air outlet duct, thereby improving the accuracy of the compensation rotation speed. The refrigerator corrects the rotation speed of the blower according to the compensation rotation speed, which can further make the rotation speed of the blower more accurate.

[0060] Optionally, the refrigerator corrects the rotation speed of the blower according to the compensation rotation speed, including: the refrigerator determines the sum value of the rotation speed of the blower and the compensation rotation speed as the target rotation speed; the refrigerator adjusts the rotation speed of the blower to the target rotation speed.

[0061] Among them, in addition to calculating the sum value to correct the rotation speed of the blower, other methods can also be used to correct the rotation speed of the blower. For example, proportional correction or feedback correction, etc. Specifically, by the method of proportional correction to correct the rotation speed of the blower according to the compensation rotation speed, first calculate the product of the compensation rotation speed and the proportional coefficient, and then calculate the sum value of the product and the rotation speed of the blower, and this sum value is the target rotation speed. The proportional coefficient is a constant set according to look-up table or experiment, and is used to adjust the relationship between the compensation rotation speed and the target rotation speed. By changing the size of the proportional coefficient, the control of the target rotation speed can be achieved. By the method of feedback correction to correct the rotation speed of the blower according to the compensation rotation speed, first calculate the sum value of the compensation rotation speed and the feedback correction amount, and then calculate the sum value of this sum value and the rotation speed of the blower, and this sum value is the target rotation speed. The feedback correction amount is a correction amount calculated according to the difference between the current rotation speed of the blower and the target rotation speed. The PID (Proportional-Integral-Derivative) control algorithm can be used to calculate the feedback correction amount, where the proportional term is used to adjust the size of the current error, the integral term is used to correct the continuous error, and the derivative term is used to correct the error change speed.

[0062] In this way, the refrigerator determines the sum value of the rotation speed of the blower and the compensation rotation speed as the target rotation speed, and adjusts the rotation speed of the blower to the target rotation speed. By correcting the rotation speed of the blower according to the compensation rotation speed, the target rotation speed can be obtained, which can make the target rotation speed more accurate.

[0063] Optionally, as Figure 4 shown, the refrigerator determines whether the door is opened according to the following method:

[0064] S41, the refrigerator detects the rotation angle of the door.

[0065] S42, when the rotation angle is greater than or equal to the set angle, the refrigerator starts timing.

[0066] S43, the refrigerator determines whether the door is opened according to the duration when the rotation angle is greater than or equal to the set angle.

[0067] Among them, the refrigerator can determine the set angle according to the relevant parameters of the refrigerator. The relevant parameters include any parameter related to the rate of external hot air entering the air outlet duct inside the refrigerator door body. For example, the gas pressure outside the refrigerator door body, the gas pressure inside the refrigerator, the size of the air outlet duct, and / or the size of the door body, etc. Specifically, the set angle corresponding to one or more of the above parameters can be determined through a preset correspondence. The preset correspondence can be determined by looking up a table, determined by developers, or determined by other means. For other means, reference can be made to the determination method of the preset correspondence between the current pressure and the compensation rotation speed described above, which will not be elaborated here.

[0068] In this way, the refrigerator detects the rotation angle of the door body. When the rotation angle is greater than or equal to the set angle, it can be preliminarily judged at this time that the refrigerator door body is opened, but the length of the door body opening time cannot be judged. If the door body opening time is short, the external hot air cannot enter above the evaporator from the air outlet duct, that is, the abnormal frosting above the evaporator will not occur. If the door body opening time is long, due to the long door body opening time, there is a risk that the external hot air may enter above the evaporator from the air outlet duct. Therefore, the refrigerator starts timing and judges whether the door body is opened according to the duration when the rotation angle is greater than or equal to the set angle, so as to accurately judge whether the door body is opened and avoid the abnormal frosting above the evaporator.

[0069] Optionally, the refrigerator judges whether the door body is opened according to the duration when the rotation angle is greater than or equal to the set angle, including: the refrigerator determines the duration threshold corresponding to the set angle according to the set angle; when the duration when the rotation angle is greater than the set angle is greater than or equal to the duration threshold, the refrigerator determines that the door body is opened.

[0070] Among them, the set angle is negatively correlated with the duration threshold. The refrigerator determines the duration threshold corresponding to the set angle according to the preset correspondence. The preset correspondence can be determined by any means, as long as it satisfies the trend of negative correlation between the set angle and the duration threshold. For example, it can be determined by looking up a table, setting by developers, or other means. For other means, reference can be made to the determination method of the preset correspondence between the current pressure and the compensation rotation speed described above, which will not be elaborated here.

[0071] In this way, the refrigerator determines the duration threshold corresponding to the set angle according to the set angle. When the duration when the rotation angle is greater than the set angle is greater than or equal to the duration threshold, at this time, the opening angle of the door body is large, and there may be a risk that the external hot air enters the air outlet duct from the compartment and then enters above the evaporator. Therefore, the refrigerator can determine that the door body is opened.

[0072] Combined with Figure 5As shown in the figure, an embodiment of the present disclosure provides a device 800 for controlling a refrigerator, including a processor 801 and a memory 802. Optionally, the device may further include a communication interface 803 and a bus 804. Among them, the processor 801, the communication interface 803, and the memory 802 can complete communication with each other through the bus 804. The communication interface 803 can be used for information transmission. The processor 801 can call the logical instructions in the memory 802 to execute the method for controlling the refrigerator in the above embodiment.

[0073] In addition, when the logical instructions in the above-mentioned memory 802 are implemented in the form of a software functional unit and sold or used as an independent product, they can be stored in a computer-readable storage medium.

[0074] As a computer-readable storage medium, the memory 802 can be used to store software programs and computer-executable programs, such as the program instructions / modules corresponding to the method in the embodiment of the present disclosure. The processor 801 executes functional applications and data processing by running the program instructions / modules stored in the memory 802, that is, implements the method for controlling the refrigerator in the above embodiment.

[0075] The memory 802 may include a program storage area and a data storage area. Among them, the program storage area may store an operating system and application programs 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 802 may include a high-speed random access memory and may also include a non-volatile memory.

[0076] Combined with Figure 6 As shown in the figure, an embodiment of the present disclosure provides a refrigerator 900, including: a refrigerator body, and the above-mentioned device 800 for controlling the refrigerator. The device 800 for controlling the refrigerator is installed on the refrigerator body. The installation relationship described here is not limited to being placed inside the refrigerator, but also includes installation connections with other components of the refrigerator, including but not limited to physical connections, electrical connections, or signal transmission connections, etc. Those skilled in the art can understand that the device 800 for controlling the refrigerator can be adapted to a feasible refrigerator body, and further implement other feasible embodiments.

[0077] An embodiment of the present disclosure provides a computer-readable storage medium storing computer-executable instructions, and the computer-executable instructions are set to execute the above method for controlling the refrigerator.

[0078] The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product. The computer software product is stored in a storage medium and includes one or more instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method described in the embodiments of the present disclosure. The foregoing storage medium may be a non-transitory storage medium, including: various media such as USB flash drives, mobile hard disks, read-only memories (ROMs), random access memories (RAMs), magnetic disks, or optical discs that can store program codes.

[0079] The above description and the drawings fully illustrate the embodiments of the present disclosure, enabling those skilled in the art to practice them. Other embodiments may include structural, logical, electrical, process, and other changes. Embodiments merely represent possible variations. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Parts and features of some embodiments may be included in or replace parts and features of other embodiments. Moreover, the terms used in this application are only for describing 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 otherwise, the singular forms "a", "an", and "the" are intended to also include the plural forms. Similarly, as used in this application, the term "and / or" refers to any and all possible combinations including one or more of the associated listed items. Additionally, when used in this application, the term "comprise" and its variants "comprises" and / or "comprising" etc. mean the presence of the 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. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of additional identical elements in the process, method, or device comprising the element. In this document, each embodiment may focus on the differences from other embodiments, and the same or similar parts among the embodiments may be referred to each other. For the methods, products, etc. disclosed in the embodiments, if they correspond to the method part disclosed in the embodiments, the relevant parts may refer to the description of the method part.

[0080] Those skilled in the art will realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in a hardware or software manner can depend on the specific application and design constraints of the technical solution. The skilled person can use different methods for each specific application to achieve the described functions, but such implementation should not be considered to exceed the scope of the embodiments of the present disclosure. The skilled person can clearly understand that for the convenience and conciseness of description, the specific working processes of the systems, devices, and units described above can refer to the corresponding processes in the foregoing method embodiments and will not be elaborated herein.

[0081] In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, equipment, etc.) can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units can be merely a logical function division, and there can be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Additionally, the displayed or discussed couplings or direct couplings or communication connections to each other can be through some interfaces. The indirect couplings or communication connections of devices or units 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 can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to implement this embodiment. Additionally, in the embodiments of the present disclosure, the functional units can be integrated in a processing unit, or each unit can exist physically separately, or two or more units can be integrated in one unit.

[0082] The flowcharts and block diagrams in the accompanying drawings illustrate the architecture, functionality, and operation of possible implementations of systems, methods, and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagram may represent a module, a segment of code, or a portion thereof that contains one or more executable instructions for implementing the specified logical function. In some alternative implementations, the functions noted in the blocks may occur in a different order than noted in the accompanying drawings. For example, two consecutive blocks may in fact be executed substantially in parallel, or they may sometimes be executed in the reverse order, depending on the functionality involved. In the description corresponding to the flowcharts and block diagrams in the accompanying drawings, the operations or steps corresponding to different blocks may also occur in a different order than disclosed in the description, and sometimes there is no specific order between different operations or steps. For example, two consecutive operations or steps may in fact be executed substantially in parallel, or they may sometimes be executed in the reverse order, depending on the functionality involved. Each block in the block diagrams and / or flowcharts, and combinations of blocks in the block diagrams and / or flowcharts, can be implemented by a dedicated hardware-based system that performs the specified functions or actions, or can be implemented by a combination of dedicated hardware and computer instructions.

Claims

1. A method for controlling a refrigerator, characterized in that, The refrigerator includes a door body, an evaporator disposed behind the box body, and a blower disposed above the evaporator. The blower is used to blow the air cooled by the evaporator from the air outlet duct to the compartment. The method includes: Detect the state of the door body; When the door body is opened, control the blower to rotate so that the air outlet duct is in a positive pressure state.

2. The method according to claim 1, characterized in that, Controlling the blower to rotate includes: Control the blower to rotate at the lowest speed.

3. The method according to claim 1, wherein After controlling the blower to rotate, it further includes: Detect the current pressure in the air outlet duct; Adjust the rotation speed of the blower according to the current pressure in the air outlet duct.

4. The method according to claim 3, characterized in that, Adjusting the rotation speed of the blower according to the current pressure in the air outlet duct includes: Determine the compensation rotation speed corresponding to the current pressure according to the preset corresponding relationship; Correct the rotation speed of the blower according to the compensation rotation speed.

5. The method according to claim 4, characterized in that Correcting the rotation speed of the blower according to the compensation rotation speed includes: Determine the sum value of the rotation speed of the blower and the compensation rotation speed as the target rotation speed; Adjust the rotation speed of the blower to the target rotation speed.

6. The method according to any one of claims 1 to 5, characterized in that, Judge whether the door body is opened according to the following method: Detect the rotation angle of the door body; When the rotation angle is greater than or equal to the set angle, start timing; Judge whether the door body is opened according to the duration when the rotation angle is greater than or equal to the set angle.

7. The method according to claim 6, wherein Judge whether the door body is opened according to the duration when the rotation angle is greater than or equal to the set angle, including: Determine the duration threshold corresponding to the set angle according to the set angle; When the duration when the rotation angle is greater than the set angle is greater than or equal to the duration threshold, determine that the door body is opened.

8. A device for controlling a refrigerator, comprising a processor and a memory storing program instructions, characterized in that, The processor is configured to execute the method for controlling the refrigerator according to any one of claims 1 to 7 when running the program instructions.

9. A refrigerator, characterized in that, It includes: The refrigerator body includes a door body, an evaporator disposed behind the box body, and a blower disposed above the evaporator. The blower is used to blow the air cooled by the evaporator from the air outlet duct to the compartment; and, The device for controlling the refrigerator according to claim 8 is installed on the refrigerator body.

10. A computer-readable storage medium storing program instructions, characterized in that, When the program instructions are running, it is used to make the computer execute the method for controlling the refrigerator according to any one of claims 1 to 7.

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