Equipment defrosting control methods, devices, refrigerators and storage media

Abstract

This application relates to a defrosting control method, apparatus, refrigerator, and storage medium. The method includes: determining whether the target device meets defrosting conditions when it is in extreme freeze mode; and activating a multi-level defrosting mode when the target device meets the defrosting conditions; acquiring the target temperature and target duration of operation at a specified location on the target device; and performing defrosting control according to the multi-level defrosting mode. The target temperature represents the temperature monitored by the target sensor, and the target duration is the operating time of the compressor in the target device; when the target temperature or target duration meets a preset termination condition, the defrosting control is terminated on the target device. By using temperature and compressor operating time as parameters to adjust the defrosting level, multi-level defrosting control is performed on the target device. This reduces defrosting time, lowers freezer temperature fluctuations, and achieves the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

Description

Technical Field

[0001] This application relates to the field of smart home technology, and in particular to a method, device, refrigerator, and storage medium for controlling device defrosting. Background Technology

[0002] Currently, there is a trend in the refrigerator market towards low-temperature freezing storage. This is because, as people's living standards improve, they frequently purchase raw meat and even high-end ingredients such as deep-sea fish for long-term storage in the refrigerator. Currently, the freezing temperature range of ordinary household refrigerators is between -16℃ and -24℃, which cannot guarantee the quality of food storage over long periods. Therefore, it is necessary to design the freezer compartment to have a lower temperature to meet the high-quality storage requirements of such foods.

[0003] Frost-free air-cooled refrigerators are now the mainstream in household refrigerators. During the cooling process, the surface temperature of the evaporator in a frost-free air-cooled refrigerator is lower than the dew point temperature of the air inside the refrigerator. As the air circulates throughout the refrigerator's cooling system, frost will form on the surface of the evaporator, leading to a decrease in heat exchange efficiency. Therefore, the refrigerator needs to defrost every certain period of time.

[0004] Defrosting devices typically use heaters (steel pipe heaters, quartz tube heaters, etc.). Installed below the evaporator, the defrosting heater generates heat radiation to melt the frost layer on the evaporator surface. A defrosting sensor on the evaporator's receiver tracks temperature changes to determine if defrosting is complete. During this process, the evaporator's surface temperature rises from approximately -26°C to around 8°C, taking 30 to 60 minutes. The freezer temperature fluctuates due to the prolonged defrosting process. Lower freezer temperature settings result in longer defrosting times and greater temperature fluctuations, which is detrimental to high-quality food storage and increases energy consumption in the refrigerator. Summary of the Invention

[0005] In view of this, in order to solve the above-mentioned technical problems of long defrosting time and high energy consumption in refrigerators, this application provides a defrosting control method, device, refrigerator and storage medium.

[0006] In a first aspect, embodiments of this application provide a method for controlling equipment defrosting, including:

[0007] When the target device is in extreme freeze mode, it is determined whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, a multi-level defrosting mode is activated.

[0008] The target temperature and target duration of operation at a specified location of the target device are obtained, and defrosting control is performed according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the operating time of the compressor in the target device.

[0009] When the target temperature or the target duration meets the preset termination condition, the defrosting control is executed on the target device.

[0010] In one possible implementation, activating the multi-level defrosting mode when the target device meets the defrosting conditions includes:

[0011] Obtain the operating temperature of the target area specified by the target device;

[0012] Determine whether the operating temperature exceeds the set defrost temperature threshold to obtain a first determination result;

[0013] When the operating temperature exceeds the defrost temperature threshold, the first judgment result is obtained as the first result;

[0014] Based on the first result, both the primary defrosting mode and the secondary defrosting mode of the target device are simultaneously activated.

[0015] When the operating temperature is lower than the defrost temperature threshold, the first judgment result is obtained as the second result;

[0016] Based on the second result, perform the step of determining whether the operating temperature exceeds the set defrosting temperature threshold.

[0017] In one possible implementation, acquiring the target temperature and target duration at a specified location of the target device, and performing defrosting control according to the multi-level defrosting mode, includes:

[0018] The first target temperature is obtained through the first target sensor, and the second target temperature is obtained through the second target sensor; and the target duration of compressor operation is also obtained.

[0019] The defrosting mode level of the target device is determined based on the first target temperature, the second target temperature, and the target duration;

[0020] The defrosting control of the target device is performed based on the defrosting mode corresponding to the defrosting mode level.

[0021] In one possible implementation, determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration includes:

[0022] When the target device meets the defrosting conditions and is in the first-level defrosting mode, it is determined whether the first target temperature and the target duration meet the first preset conditions;

[0023] When the first target temperature and the target duration do not meet the first preset condition, it is determined that the target device will continue to maintain the first-level defrosting mode;

[0024] When the first target temperature and the target duration meet the first preset condition, it is determined that the target device will activate the three-level defrosting mode;

[0025] Based on the three-level defrosting mode, determine whether the second target temperature meets the second preset condition;

[0026] When the second target temperature does not meet the second preset condition, the target device is determined to continue to maintain the three-level defrosting mode;

[0027] When the second target temperature meets the second preset condition, the target device is determined to restart the first-level defrosting mode.

[0028] In one possible implementation, determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration includes:

[0029] When the target device simultaneously activates both the first-level defrosting mode and the second-level defrosting mode, determine whether the second target temperature meets the third preset condition.

[0030] When the second target temperature meets the third preset condition, the target device is determined to start the four-level defrosting mode;

[0031] If the second target temperature does not meet the third preset condition, the target device is determined to continue to maintain the first-level defrosting mode and the second-level defrosting mode.

[0032] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0033] When the target device starts the first-level defrosting mode, the compressor is controlled to stop running, and the one-way valve of the target device is controlled to be in the open state;

[0034] When the target duration reaches the preset first time threshold, the compressor is controlled to start running, and the return gas pipe heater is controlled to start heating.

[0035] The evaporator internal circuit of the target device is defrosted based on the first-level defrosting mode.

[0036] When the first target temperature is less than or equal to the first temperature threshold or the target duration reaches the preset second time threshold, the compressor is controlled to stop running, and the return gas pipe heater is controlled to shut down.

[0037] When the first target temperature is greater than the first temperature threshold and the target duration has not reached the preset second time threshold, the steps of controlling the compressor to start operation and controlling the return gas pipe heater to start heating are executed.

[0038] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0039] When the target device starts the secondary defrosting mode, the heating control is executed on the aluminum tube heater corresponding to the target device.

[0040] The defrosting process is performed on the fin surface of the target device based on the two-stage defrosting mode.

[0041] When the second target temperature meets the third preset condition, the aluminum tube heater is shut down for heating control.

[0042] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0043] When the target device starts the three-level defrosting mode, the heating control is executed on the steel pipe heater corresponding to the target device.

[0044] The evaporator exterior in the target device is defrosted based on the three-stage defrosting mode.

[0045] When the second target temperature is greater than or equal to the second temperature threshold, the target device is controlled to end the three-level defrosting mode;

[0046] When the second target temperature is less than the second temperature threshold, the step of turning on the heating control of the steel pipe heater corresponding to the target device is executed.

[0047] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0048] When the target device restarts the first-level defrosting mode, the one-way valve of the target device is controlled to be in the open state, and the compressor is controlled to start running;

[0049] Based on the first-level defrosting mode, the residual frost on the main body of the evaporator of the target device is defrosted;

[0050] When the target duration reaches the preset third time threshold, the compressor is controlled to stop running, the one-way valve is controlled to be closed, and the steel pipe heater of the target equipment is shut down for heating control.

[0051] If the target duration has not reached the third time threshold, the steps of controlling the one-way valve of the target device to be in the open state and controlling the compressor to start running are executed.

[0052] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0053] When the target device is in the first-level defrosting mode and the second-level defrosting mode that have been restarted, determine whether the second target temperature is greater than or equal to the preset third temperature threshold.

[0054] When the second target temperature is greater than or equal to the third temperature threshold, the aluminum tube heater of the target device is shut down to enable the target device to start the four-level defrosting mode.

[0055] When the second target temperature is less than the third temperature threshold, the steps of controlling the compressor to stop running, controlling the one-way valve to be in a closed state, and performing the shutdown heating control on the steel pipe heater of the target equipment are executed.

[0056] In one possible implementation, the defrosting control of the target device based on the defrosting mode level includes:

[0057] When the target device is in the fourth-level defrosting mode, the water receiving pan heater of the target device is turned on for heating control.

[0058] The residual ice in the water receiving tray of the target device is defrosted based on the four-level defrosting mode.

[0059] When the target duration reaches the preset fourth time threshold, the target device is controlled to stop defrosting.

[0060] If the target duration does not reach the fourth time threshold, the target device is controlled to continue to maintain the fourth-level defrosting mode.

[0061] Secondly, embodiments of this application provide a defrosting control device for equipment, comprising:

[0062] The defrosting module is activated to determine whether the target device meets the defrosting conditions when it is in extreme freeze mode, and to activate a multi-level defrosting mode when the target device meets the defrosting conditions.

[0063] The control module is used to acquire the target temperature and target duration of operation at a specified location of the target device, and to perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the operating time of the compressor in the target device.

[0064] The termination module is used to perform termination defrosting control on the target device when the target temperature or the target duration meets the preset termination conditions.

[0065] Thirdly, embodiments of this application provide a refrigerator, including: a processor and a memory, wherein the processor is configured to execute a device defrosting control program stored in the memory to implement any of the device defrosting control methods described in the first aspect.

[0066] Fourthly, embodiments of this application provide a storage medium storing one or more programs, which can be executed by one or more processors to implement the device defrosting control method described in any of the first aspects.

[0067] The defrosting control scheme provided in this application determines whether the target device meets the defrosting conditions when it is in extreme freeze mode, and activates a multi-level defrosting mode when the target device meets the defrosting conditions. It acquires the target temperature and target duration of operation at a specified location on the target device, and performs defrosting control according to the multi-level defrosting mode. The target temperature represents the temperature monitored by the target sensor, and the target duration is the operating time of the compressor in the target device. When the target temperature or the target duration meets a preset termination condition, the defrosting control is terminated for the target device. By using temperature and compressor operating time as parameters to adjust the defrosting level and performing multi-level defrosting control on the target device, this scheme can reduce defrosting time, decrease temperature fluctuations in the freezer compartment, and achieve the technical effect of meeting the high-quality storage requirements of high-end food ingredients. Attached Figure Description

[0068] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0069] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0070] One or more embodiments are illustrated by way of example with reference numerals in the accompanying drawings. These illustrations do not constitute a limitation on the embodiments. Elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the drawings are not to be limited by scale.

[0071] Figure 1 A schematic flowchart illustrating a defrosting control method for equipment provided in an embodiment of this application;

[0072] Figure 2 A schematic flowchart illustrating another device defrosting control method provided in an embodiment of this application;

[0073] Figure 3 A schematic flowchart illustrating another equipment defrosting control method provided in this application embodiment;

[0074] Figure 4 A schematic diagram illustrating a defrosting level classification process provided in this application embodiment;

[0075] Figure 5 A flowchart illustrating an application example of a control method based on equipment defrosting provided in this application embodiment;

[0076] Figure 6 A schematic diagram of a defrosting control device for an equipment provided in an embodiment of this application;

[0077] Figure 7 This is a schematic diagram of the structure of a refrigerator based on a defrosting control method provided in an embodiment of this application. Detailed Implementation

[0078] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0079] The terms "comprising" and "having" in the embodiments of this application are used to indicate an open-ended inclusion, meaning that there may be other elements / components / etc. in addition to the listed elements / components / etc.; the terms "first" and "second," etc., are used only as labels and are not intended to limit the number of objects. Furthermore, the different elements and areas in the drawings are only schematic, therefore this application is not limited to the dimensions or distances shown in the drawings.

[0080] To facilitate understanding of the embodiments of this application, the following will provide further explanation and description with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this application.

[0081] Figure 1 This is a flowchart illustrating a defrosting control method for equipment provided in an embodiment of this application. It is applied to the defrosting control process of equipment. According to... Figure 1 The provided diagram illustrates the specific methods for controlling the defrosting of the equipment, including:

[0082] S101. When the target device is in extreme freeze mode, determine whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, start the multi-level defrosting mode.

[0083] This application applies to the defrosting process of equipment in extreme freezing mode. By detecting whether the equipment is in extreme freezing mode, it determines whether the equipment has activated multi-level defrosting mode. Then, by detecting the temperature at a specified location on the equipment and the compressor's operating time, it determines whether both have reached the set values, which serve as the basis for adjusting the defrosting level. By adjusting the defrosting level in stages, multiple locations on the equipment requiring defrosting are defrosted sequentially, achieving the goal of comprehensively accelerating defrosting. This reduces defrosting time, lowers temperature fluctuations in the freezer compartment, and achieves the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

[0084] The target equipment mentioned here can be understood as equipment that requires defrosting. The extreme freezing mode mentioned here can be understood as a low-temperature environment. The defrosting conditions mentioned here can be understood as the target equipment's temperature reaching a set value or the target equipment's operating mode being in defrosting mode. The multi-level defrosting mode mentioned here can be understood as dividing the defrosting into multiple levels according to the set conditions.

[0085] Furthermore, during the normal operation of the target equipment, the sensor detects whether the target equipment is in extreme freezing mode. If the target equipment is detected to be in extreme freezing mode, the sensor detects in real time whether the target equipment meets the multi-level defrosting requirements and activates the multi-level defrosting mode.

[0086] S102. Obtain the target temperature and target duration of operation at a specified location of the target device, and perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device.

[0087] The "specified location" mentioned here can be understood as the detection range of the temperature sensor in the target device. The "target duration" can be understood as the length of time the compressor in the target device runs. The "defrost control" mentioned here can be understood as heating a specified location in the target device to accelerate the defrosting process.

[0088] Furthermore, after the target device activates the multi-level defrosting mode, the target temperature is obtained by detecting the device temperature at a designated location on the target device, and the target duration is recorded by detecting the running time of the compressor in the target device. The obtained target temperature and target duration are compared with the set values ​​to determine the current defrosting level of the target device, and further defrosting is performed on the designated components of the target device, effectively improving the defrosting speed of the target device.

[0089] S103. When the target temperature or target duration meets the preset termination conditions, execute the termination defrosting control on the target equipment.

[0090] The termination condition mentioned here can be understood as the temperature or operating time limit range for stopping defrosting when the frost layer inside the target equipment reaches the required level.

[0091] Furthermore, by detecting the target temperature and compressor runtime of the target device, the defrosting level is adjusted to further accelerate the defrosting of frost layers on multiple components of the target device. When the target temperature and compressor runtime at a designated location of the target device reach the set conditions, the defrosting in the extreme freeze mode is terminated, and the defrosting control of the target device is terminated by turning off the multi-level defrosting mode of the target device.

[0092] This application provides a defrosting control method for equipment. When the target equipment is in extreme freeze mode, it determines whether the target equipment meets the defrosting conditions, and if the target equipment meets the defrosting conditions, it activates a multi-level defrosting mode. It acquires the target temperature and target running time at a specified location on the target equipment, and performs defrosting control according to the multi-level defrosting mode. The target temperature represents the temperature monitored by the target sensor, and the target running time is the length of time the compressor in the target equipment runs. When the target temperature or target running time meets a preset termination condition, it executes the defrosting termination control for the target equipment. By using temperature and compressor running time as parameters to adjust the defrosting level and performing multi-level defrosting control on the target equipment, this solution can reduce defrosting time, reduce temperature fluctuations in the freezer compartment, and achieve the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

[0093] Figure 2 This is a schematic flowchart illustrating another device defrosting control method provided in an embodiment of this application. Figure 2 This is based on the previous embodiment. (See reference) Figure 2 The provided diagram shows that the defrosting control method for the equipment also includes:

[0094] S201. Obtain the operating temperature of the target area specified by the target device.

[0095] This application applies to the defrosting process of equipment in extreme freezing mode. By detecting whether the equipment is in extreme freezing mode, it determines whether the equipment has activated multi-level defrosting mode. Then, by detecting the temperature at a specified location on the equipment and the compressor's operating time, it determines whether both have reached the set values, which serve as the basis for adjusting the defrosting level. By adjusting the defrosting level in stages, multiple locations on the equipment requiring defrosting are defrosted sequentially, achieving the goal of comprehensively accelerating defrosting. This reduces defrosting time, lowers temperature fluctuations in the freezer compartment, and achieves the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

[0096] The target equipment mentioned here can be understood as refrigeration equipment used for defrosting, such as air conditioners, refrigerators, freezers, and low-temperature freezing equipment. The target area mentioned here can be understood as the area within the detection range of the temperature sensor in the refrigerator.

[0097] Furthermore, when the refrigerator is running in extreme freeze mode, a temperature sensor installed inside the refrigerator detects the operating temperature within a specified range, providing a reference for determining whether the refrigerator should activate the multi-stage defrosting mode.

[0098] S202. Determine whether the operating temperature exceeds the set defrosting temperature threshold and obtain the first judgment result.

[0099] S203. When the operating temperature exceeds the defrosting temperature threshold, the first judgment result is obtained as the first result.

[0100] S204. Based on the first result, simultaneously activate the first-level defrosting mode and the second-level defrosting mode of the target device.

[0101] The defrost temperature threshold mentioned here can be understood as the temperature limit for devices within a specified area of ​​the target equipment to initiate defrost, for example, limiting the defrost temperature threshold to -18 degrees Celsius. The first-level defrost mode can be understood as the mode with the lightest defrosting effect. The second-level defrost mode can be understood as a process with a greater defrosting effect than the first-level defrost mode.

[0102] Furthermore, the obtained operating temperature is used for real-time detection, and it is determined in real time whether the operating temperature of a designated area of ​​the refrigerator exceeds the set defrosting temperature threshold, which serves as the basis for determining whether to activate the multi-level defrosting mode. When the operating temperature exceeds the defrosting temperature threshold, a first result is obtained. Based on the first result, it is determined that the refrigerator needs to accelerate the defrosting process, and then the multi-level defrosting mode is activated. By simultaneously activating the first-level defrosting mode and the second-level defrosting mode, the defrosting progress is accelerated, and different locations inside the refrigerator are heated and defrosted.

[0103] S205. When the operating temperature is lower than the defrosting temperature threshold, the first judgment result is the second result.

[0104] S206. Based on the second result, perform the step of determining whether the operating temperature exceeds the set defrosting temperature threshold.

[0105] Furthermore, when the operating temperature is lower than the defrost temperature threshold, a second result is obtained. Based on the second result, it is determined that the refrigerator is in a normal cooling state and no additional defrosting is required. At this time, the refrigerator is controlled to continue to monitor the operating temperature and determine whether the operating temperature exceeds the set defrost temperature threshold.

[0106] S207. Obtain a first target temperature through a first target sensor and a second target temperature through a second target sensor, and obtain the target duration of compressor operation.

[0107] Among them, the target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device.

[0108] S208. Determine the defrosting mode level of the target equipment based on the first target temperature, the second target temperature, and the target duration.

[0109] The first target sensor mentioned here can be understood as the return gas sensor in a refrigerator's refrigeration system. The second target sensor mentioned here can be understood as the defrost sensor in refrigerators and other refrigeration equipment.

[0110] Furthermore, after the refrigerator's refrigeration equipment activates the multi-level defrosting mode, both the first-level and second-level defrosting modes are activated simultaneously. The first target temperature is obtained by detecting the temperature within a specified range using the return gas sensor in the refrigerator's refrigeration equipment, and the corresponding second target temperature is obtained by detecting the temperature within the specified range using the defrosting sensor. The operating time of the compressor in the refrigerator is then measured to obtain the compressor's operating time in the first-level and second-level defrosting modes. Using the detected first target temperature, second target temperature, and target operating time as detection parameters, the current defrosting level of the refrigerator's refrigeration equipment is determined, providing a reference for adjusting the defrosting level in the next step.

[0111] S209. Perform defrosting control on the target device based on the defrosting mode corresponding to the defrosting mode level.

[0112] S210. When the target temperature or target duration meets the preset termination conditions, execute the termination defrosting control on the target equipment.

[0113] The refrigerator employs a primary defrosting mode to heat the frost layer inside the evaporator, achieving primary defrosting. Simultaneously, a secondary defrosting mode is activated, using an internal aluminum tube heater to further heat the frost layer on the fins. When the first target temperature, second target temperature, or target duration reaches a set value, the defrosting level is adjusted to further defrost specific components, effectively increasing the defrosting speed. Furthermore, when the target temperature at a designated location and the compressor's operating time reach set conditions, the defrosting in extreme freezing mode is terminated, and the multi-stage defrosting mode is shut off, ending defrosting control of the refrigerator.

[0114] in, Figure 4 This is a flowchart illustrating the defrosting level classification provided in this application embodiment. The specific steps for determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration are implemented in the following manner:

[0115] S401. When the target equipment meets the defrosting conditions and is in the first-level defrosting mode, determine whether the first target temperature and target duration meet the first preset conditions.

[0116] S402. When the first target temperature and target duration do not meet the first preset conditions, the target device is determined to continue to maintain the first-level defrosting mode.

[0117] S403. When the first target temperature and target duration meet the first preset conditions, determine that the target device starts the three-level defrosting mode.

[0118] Furthermore, after activating the multi-stage defrosting mode of the refrigerator's cooling system, firstly, in the first-stage defrosting mode, the system checks whether the first target temperature detected by the internal return gas sensor has reached the first preset condition for adjusting the defrosting level, and simultaneously checks whether the target duration of the compressor has reached the first preset condition for adjusting the defrosting level. If the first target temperature and target duration meet the first preset conditions, it is determined that the refrigerator's defrosting mode can no longer meet the requirements for further accelerating defrosting, and a third-stage defrosting mode is activated for adjustment. If the first target temperature and target duration do not meet the first preset conditions, it is determined that the refrigerator's defrosting mode has not yet met the requirements for further accelerating defrosting, and the refrigerator is controlled to maintain the current defrosting mode while continuing to monitor the first target temperature and target duration.

[0119] S404. Based on the three-level defrosting mode, determine whether the second target temperature meets the second preset condition.

[0120] S405. When the second target temperature does not meet the second preset condition, the target device is determined to continue to maintain the three-level defrosting mode.

[0121] S406. When the second target temperature meets the second preset condition, determine that the target device will restart the first-level defrosting mode.

[0122] The three-level defrosting mode mentioned here differs from the first-level and second-level defrosting modes in its heating location and defrosting degree, serving as a further supplement to the first-level defrosting mode. The second target temperature mentioned here can be understood as the temperature detected by the defrosting sensor.

[0123] Furthermore, when the refrigerator's cooling system is in level three defrost mode, a defrosting process is performed using heating. A defrost sensor detects a second target temperature, and real-time monitoring of whether this second target temperature reaches a preset second condition serves as the basis for determining whether the refrigerator's defrost level needs adjustment. When the second target temperature reaches the second preset condition, such as a set threshold temperature, this serves as an indicator for adjusting the defrost level. The refrigerator's cooling system is then controlled to switch from level three to level one defrost mode. By reducing the degree of defrosting, the evaporator of the refrigerator's cooling system is further heated for defrosting while maintaining energy efficiency. When the second target temperature does not reach the second preset condition, it indicates that the current ambient temperature for defrosting control is not high enough. In order to heat the frost layer inside and outside the evaporator of the refrigerator's cooling system as quickly as possible, level three defrost mode needs to be maintained.

[0124] S407. When the target device simultaneously activates the first-level defrosting mode and the second-level defrosting mode, determine whether the second target temperature meets the third preset condition.

[0125] S408. When the second target temperature meets the third preset condition, determine that the target equipment starts the fourth-level defrosting mode.

[0126] S409. When the second target temperature does not meet the third preset condition, determine that the target equipment continues to maintain the first-level defrosting mode and the second-level defrosting mode.

[0127] The four-level defrosting mode mentioned here can be understood as a defrosting mode with a higher degree of heating, a greater defrosting effect, and a larger defrosting area than the first-level, second-level, and third-level defrosting modes.

[0128] Furthermore, while the refrigerator is simultaneously operating in both three-stage and two-stage defrosting modes, it is switched back to a single-stage defrosting mode. In the single-stage mode, the evaporator inside and outside the refrigerator continues to be heated and defrosted. In the two-stage defrosting mode, the aluminum tube heaters heat the frost layer on the fins. At this point, a third preset condition is set, and the second target temperature detected by the defrosting sensor is analyzed again to determine if it exceeds the set value under the third preset condition. If the second target temperature exceeds the set value under the third preset condition, it is determined that the current defrosting mode can no longer meet the requirements for accelerated defrosting. The defrosting mode is then switched from simultaneously operating the single-stage and two-stage defrosting modes to a four-stage defrosting mode. This four-stage defrosting mode further heats and defrosts the frost in the drip tray inside the refrigerator, achieving a multi-stage defrosting process. When the second target temperature is detected to be below the set value under the third preset condition, it is determined that the defrosting mode of the refrigerator's refrigeration equipment meets the current requirements for accelerated defrosting. By controlling the defrosting mode to maintain the first-level defrosting mode and the second-level defrosting mode, the defrosting time can be reduced, the temperature fluctuation of the freezer compartment can be reduced, and the technical effect of meeting the high-quality storage needs of high-end food can be achieved.

[0129] The defrosting control method for equipment provided in this application embodiment detects the operating temperature of the target equipment and activates a multi-level defrosting mode when the operating temperature requires accelerated defrosting. It then detects a first target temperature using a first target sensor, a second target temperature using a second target sensor, and a target duration of compressor operation. By determining whether these three values ​​reach set values, the method serves as a reference for adjusting the defrosting level, thereby controlling the target equipment through multi-level defrosting. This reduces defrosting time, lowers temperature fluctuations in the freezer compartment, and achieves the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

[0130] Figure 3 This is a schematic flowchart illustrating another equipment defrosting control method provided in an embodiment of this application. Figure 3 This is based on the first embodiment. Figure 3 The provided diagram shows that the defrosting control method for the equipment also includes:

[0131] S301. When the target device is in extreme freezing mode, determine whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, activate the multi-level defrosting mode.

[0132] This application applies to the defrosting process of equipment in extreme freezing mode. By detecting whether the equipment is in extreme freezing mode, it determines whether the equipment has activated multi-level defrosting mode. Then, by detecting the temperature at a specified location on the equipment and the compressor's operating time, it determines whether both have reached the set values, which serve as the basis for adjusting the defrosting level. By adjusting the defrosting level in stages, multiple locations on the equipment requiring defrosting are defrosted sequentially, achieving the goal of comprehensively accelerating defrosting. This reduces defrosting time, lowers temperature fluctuations in the freezer compartment, and achieves the technical effect of meeting the high-quality storage requirements of high-end food ingredients.

[0133] The target equipment mentioned here can be understood as equipment that requires defrosting. The extreme freezing mode mentioned here can be understood as a low-temperature environment. The defrosting conditions mentioned here can be understood as the target equipment's temperature reaching a set value or the target equipment's operating mode being in defrosting mode. The multi-level defrosting mode mentioned here can be understood as dividing the defrosting into multiple levels according to the set conditions.

[0134] Furthermore, during the normal operation of the target equipment, the sensor detects whether the target equipment is in extreme freezing mode. If the target equipment is detected to be in extreme freezing mode, the sensor detects in real time whether the target equipment meets the multi-level defrosting requirements and activates the multi-level defrosting mode.

[0135] S302. Obtain the target temperature and target duration of operation at a specified location of the target device, and perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device.

[0136] Furthermore, after the refrigerator refrigeration equipment starts the multi-level defrosting mode, the target temperature is obtained by detecting the equipment temperature at a designated location in the refrigerator refrigeration equipment, and the target duration is recorded by detecting the running time of the compressor in the refrigerator refrigeration equipment. Based on the obtained target temperature and target duration, the current defrosting level of the refrigerator refrigeration equipment is determined, and the designated components of the refrigerator refrigeration equipment are further defrosted, effectively improving the defrosting speed of the refrigerator refrigeration equipment.

[0137] S303. When the target device starts the first-level defrosting mode, control the compressor to stop running and control the one-way valve of the target device to be in the open state.

[0138] S304. When the target duration reaches the preset first time threshold, control the compressor to start running and perform heating control on the return gas pipe heater.

[0139] S305. Perform defrosting treatment on the internal circuit of the evaporator of the target equipment based on the first-level defrosting mode.

[0140] Furthermore, when the refrigerator's refrigeration equipment activates the first-level defrosting mode, the compressor is initially off, and the one-way valve is open. By monitoring the compressor's off-time, when the off-time t1 reaches a set first time threshold (e.g., 3 minutes), the compressor starts running. The high-temperature gaseous refrigerant at the exhaust end flows into the evaporator through the one-way valve. Simultaneously, the existing low-temperature liquid refrigerant in the evaporator flows towards the return pipe heater assembly due to pressure. The high-temperature gaseous refrigerant rapidly exchanges heat with the frost layer on the outer wall of the evaporator pipe, causing the contact surface between the pipe wall and the frost layer to melt from the inside out. This achieves defrosting based on the first-level defrosting mode.

[0141] S306. When the first target temperature is less than or equal to the first temperature threshold or the target duration reaches the preset second time threshold, control the compressor to stop running and perform a shutdown heating control on the return gas pipe heater.

[0142] S307. When the first target temperature is greater than the first temperature threshold and the target duration has not reached the preset second time threshold, the steps of controlling the compressor to start running and controlling the return gas pipe heater to start heating are executed.

[0143] Further, to determine whether the first-level defrosting mode needs adjustment, the system determines whether the first target temperature T1 detected by the return gas sensor reaches the first temperature threshold (e.g., set to 5°C). When the first target temperature T1 is less than or equal to the first temperature threshold (e.g., set to 5°C), the first-level defrosting mode ends by stopping the compressor, shutting off the return gas pipe heater, and activating the first-level defrosting mode. Alternatively, when the target duration t2 exceeds the second time threshold (e.g., set to 5 minutes), this serves as a constraint to end the first-level defrosting mode, thus ending the first-level defrosting mode. When the first target temperature T1 is greater than the first temperature threshold (e.g., set to 5°C), or the target duration t2 is less than the second time threshold (set to 5 minutes), it indicates that the refrigerator's refrigeration equipment still needs to defrost the evaporator. By maintaining the first-level defrosting state, controlling the compressor to start operation, and performing the steps of starting heating control on the return gas pipe heater, the first-level defrosting mode continues to operate.

[0144] S308. When the target equipment starts the secondary defrosting mode, the corresponding aluminum tube heater of the target equipment is activated for heating control.

[0145] S309. Defrost treatment is performed on the fin surface of the target equipment based on a two-stage defrosting mode.

[0146] S310. When the second target temperature meets the third preset condition, the aluminum tube heater is shut down for heating control.

[0147] Furthermore, the secondary defrosting mode is activated. At this time, the aluminum tube heater of the evaporator body starts to work. The heater conducts heat through direct contact with the fin surface, melting the frost layer on the surface from the outside to the inside.

[0148] Furthermore, since the compressor delivers cryogenic liquid refrigerant to the return pipe assembly, to prevent the refrigerant temperature from being too low and impacting the compressor's suction valve plate, thus affecting the compressor's lifespan, a temperature sensor is installed at the outlet of the return pipe assembly to monitor the surface temperature of the return pipe. When the surface temperature reaches T1 or the compressor's operating time reaches t2, the compressor stops operating. Furthermore, to prevent the return sensor temperature from rapidly reaching T1, an auxiliary heater is attached to the surface of the return pipe assembly to facilitate rapid heat exchange of the cryogenic liquid refrigerant inside the assembly.

[0149] When the second target temperature T2 detected by the defrost sensor reaches the set value, the current defrost mode can no longer meet the requirements for accelerating defrosting. The aluminum tube heater is turned off to prepare for the next step of turning on the bottom steel tube heater.

[0150] S311. When the target equipment starts the three-level defrosting mode, the corresponding steel pipe heater of the target equipment is activated for heating control.

[0151] S312. Perform defrosting treatment on the exterior of the evaporator in the target equipment based on the three-stage defrosting mode.

[0152] After the refrigerator's compressor stops running, activate the three-stage defrosting mode. At this time, the bottom steel tube heater or quartz tube heater starts heating. The frost layer on the evaporator surface senses the rise in air temperature inside the evaporator compartment and the continuous heat conduction from the aluminum tube heater of the evaporator body to the fin surface, and begins to melt more quickly.

[0153] S313. When the second target temperature is greater than or equal to the second temperature threshold, control the target device to end the three-level defrosting mode.

[0154] S314. When the second target temperature is less than the second temperature threshold, execute the step of turning on the heating control of the steel pipe heater corresponding to the target equipment.

[0155] Furthermore, when the refrigerator's refrigeration equipment is in the three-stage defrosting mode, a portion of liquid refrigerant remains in the liquid receiver on the evaporator. During the defrosting process, the surface temperature of the liquid receiver rises slowly. A defrosting sensor is placed on the surface of the liquid receiver to collect the surface temperature of the liquid receiver and determine the defrosting status of the evaporator body. When the second target temperature T2 detected by the defrosting sensor reaches the second temperature threshold (e.g., set to 0°C), most of the frost layer on the evaporator body is in a residual frost state of ice and water mixture. The three-stage defrosting device is immediately shut down, while the two-stage defrosting device continues to operate. When the second target temperature T2 detected by the defrosting sensor does not reach the second temperature threshold (e.g., set to 0°C), the three-stage defrosting mode is maintained, and the steel pipe heater is controlled to continue heating.

[0156] S315. When the target equipment restarts the first-level defrosting mode, the one-way valve of the target equipment is kept open, and the compressor is started.

[0157] S316. Based on the first-level defrosting mode, defrost the residual frost on the main body of the evaporator of the target equipment.

[0158] Furthermore, the first-stage defrosting is initiated again. At this point, the one-way valve opens, and the compressor immediately starts running. The high-temperature gaseous refrigerant at the refrigerator's exhaust end flows back into the evaporator through the one-way valve. The previously cooled, low-temperature gaseous refrigerant in the evaporator, due to pressure, flows into the return gas pipe assembly. This causes the residual frost on the evaporator body to detach from the pipes and fins and fall into the drip tray. Defrosting is then performed according to the first-stage defrosting mode.

[0159] S317. When the target duration reaches the preset third time threshold, control the compressor to stop running, control the one-way valve to be in the closed state, and perform shutdown heating control on the steel pipe heater of the target equipment.

[0160] S318. When the target duration has not reached the third time threshold, execute the steps of controlling the one-way valve of the target device to be in the open state and controlling the compressor to start running.

[0161] Furthermore, when the refrigerator's cooling equipment is in the first-level defrosting mode, the system detects the target duration of the compressor's operation and determines in real time whether the target duration t3 exceeds the third time threshold (e.g., set to 3 minutes). When the target duration t3 of the compressor's operation reaches the third time threshold (e.g., set to 3 minutes), the compressor stops operating, the one-way valve closes, and the steel pipe heater of the refrigerator's cooling equipment is turned off. When the target duration t3 of the compressor's operation does not reach the third time threshold (e.g., set to 3 minutes), the one-way valve remains open, and the compressor's operation is controlled.

[0162] S319. When the target device is in the first-level defrosting mode or the second-level defrosting mode, determine whether the second target temperature is greater than or equal to the preset third temperature threshold.

[0163] S320. When the second target temperature is greater than or equal to the third temperature threshold, the aluminum tube heater of the target equipment is shut down to enable the target equipment to start the fourth-level defrosting mode.

[0164] S321. When the second target temperature is less than the third temperature threshold, execute the steps of controlling the compressor to stop running, controlling the one-way valve to be in the closed state, and executing the step of shutting off the heating control of the steel pipe heater of the target equipment.

[0165] Furthermore, when the refrigerator's refrigeration equipment restarts the first-level and second-level defrosting modes, it determines whether the second target temperature T2 detected by the defrost sensor exceeds the set third temperature threshold (e.g., set to 8°C). If the second target temperature T2 reaches the third temperature threshold (e.g., set to 8°C), the first-level and second-level defrosting modes are terminated by shutting down the compressor, closing the one-way valve, and turning off the steel pipe heater of the refrigerator's refrigeration equipment. If the second target temperature T2 detected by the defrost sensor after the first-level defrosting mode has ended has not reached the third temperature threshold, the second-level defrosting mode continues until the defrost sensor detects that the rated second target temperature has reached the third temperature threshold. At this point, the second-level defrosting mode is closed, preparing for the next step of starting the fourth-level defrosting mode.

[0166] S322. When the target equipment is in the fourth-level defrosting mode, the water receiving pan heater of the target equipment is turned on for heating control.

[0167] S323. Based on the four-level defrosting mode, defrost the residual ice in the water receiving pan of the target equipment.

[0168] Furthermore, the four-stage defrosting mode of the refrigerator's cooling system is activated to further control the defrosting process. At this time, the water tray heater in the refrigerator's cooling system starts working, which ensures that the residual ice falling into the water tray can be completely melted and that the drain hole is unobstructed. Meanwhile, the water droplets formed by defrosting on the evaporator fins gradually drip into the water tray during this period and eventually flow into the water storage box in the compressor compartment.

[0169] S324. When the target duration reaches the preset fourth time threshold, control the target device to stop defrosting.

[0170] S325. If the target duration has not reached the fourth time threshold, control the target device to continue to maintain the fourth-level defrosting mode.

[0171] Furthermore, when the target duration t4 of the compressor operation corresponding to the water tray heater reaches the set fourth time threshold (e.g., set to 5 minutes), the defrosting control is activated, and the refrigerator returns to the pre-defrosting operation mode; when the target duration t4 of the compressor operation corresponding to the water tray heater does not reach the set fourth time threshold (e.g., set to 5 minutes), the four-level defrosting mode continues to be maintained.

[0172] S326. When the target temperature or target duration meets the preset termination conditions, execute the termination defrosting control on the target equipment.

[0173] Furthermore, when the target temperature at a designated location of the refrigerator's refrigeration equipment and the compressor's operating time reach the set conditions, it is determined that the defrosting in the extreme freeze mode has ended, and the defrosting control of the refrigerator's refrigeration equipment is terminated by turning off the multi-stage defrosting mode of the refrigerator's refrigeration equipment.

[0174] In one possible scenario Figure 5 This is a flowchart illustrating an application example of a defrosting control method for a refrigerator, provided in this application. Figure 5 The provided diagram illustrates the specific methods for controlling the defrost of the refrigerator, including:

[0175] Step 1: Activate the extreme freeze function. The refrigerator will operate according to the extreme freeze mode rules. When the refrigerator reaches the defrosting conditions set by the extreme freeze mode, defrosting will begin.

[0176] Step 2: Simultaneously activate both Level 1 and Level 2 defrosting modes.

[0177] Furthermore, the first-level defrosting mode is activated. At this time, the one-way valve opens, and after the compressor stop time t1 reaches 3 minutes, the compressor starts running. The high-temperature gaseous refrigerant at the exhaust end flows into the evaporator through the one-way valve. At the same time, the original low-temperature liquid refrigerant in the evaporator flows into the return pipe assembly due to pressure. The high-temperature gaseous refrigerant undergoes rapid heat exchange with the frost layer on the outer wall of the evaporator pipe, causing the contact surface between the outer wall of the pipe and the frost layer to melt from the inside out.

[0178] Furthermore, the secondary defrosting mode is activated. At this time, the aluminum tube heater of the evaporator body starts to work. The heater conducts heat through direct contact with the fin surface, melting the frost layer on the surface from the outside to the inside.

[0179] Furthermore, since the compressor delivers low-temperature liquid refrigerant to the return pipe assembly, in order to prevent the refrigerant temperature from being too low and impacting the compressor suction valve plate, thus affecting the compressor's service life, a temperature sensor is installed at the outlet of the return pipe assembly to monitor the surface temperature of the return pipe. When the surface temperature T1 detected by the return pipe sensor reaches 5°C or the compressor running time t2 reaches 5 minutes, the compressor stops running.

[0180] Furthermore, in order to prevent the temperature T1 detected by the return gas sensor from rapidly reaching 5°C, an auxiliary heater was attached to the surface of the return gas pipe assembly to help the low-temperature liquid refrigerant inside the return gas pipe assembly to exchange heat quickly.

[0181] Step 3: After the compressor stops running, the three-stage defrosting mode is activated. At this time, the bottom steel tube heater or quartz tube heater starts to work. The frost layer on the surface of the evaporator senses the rise in the air temperature inside the evaporator compartment and the continuous heat conduction from the aluminum tube heater of the evaporator body to the fin surface, and begins to melt faster.

[0182] Step 4: Usually, some liquid refrigerant remains in the liquid receiver on the evaporator. Therefore, the surface temperature of the liquid receiver rises the slowest during the defrosting process. A defrosting sensor is placed on the surface of the liquid receiver to collect the surface temperature T2 to determine the defrosting status of the evaporator body. When the temperature T2 detected by the defrosting sensor reaches 0℃, most of the frost layer on the evaporator body is in a residual frost state of ice and water mixture. Immediately shut down the three-stage defrosting mode, and the two-stage defrosting mode continues to work.

[0183] Step 5: Further, restart the first-level defrosting mode. At this time, the one-way valve opens, and the compressor starts running immediately. The high-temperature gaseous refrigerant at the exhaust end flows into the evaporator again through the one-way valve. The original low-temperature gaseous refrigerant in the evaporator, which has been cooled, flows into the return pipe assembly due to pressure. This quickly separates the residual frost on the evaporator body from the pipes and fins, and it falls into the drip tray. When the compressor running time t3 reaches 3 minutes, the compressor stops running.

[0184] Step Six: This process requires simultaneous determination of the defrost sensor's detected temperature T2. If the temperature T2 detected by the defrost sensor reaches 8°C before the first-level defrost mode is completed, both the first and second-level defrost modes will be immediately shut down. If the temperature T2 detected by the defrost sensor has not yet reached 8°C after the first-level defrost mode is completed, the second-level defrost mode will continue until the temperature detected by the defrost sensor reaches 8°C, at which point the second-level defrost mode will be shut down.

[0185] Step 7: Further, activate the fourth-stage defrosting process. The water tray heater will start working to ensure that the residual ice falling into the water tray can be completely melted and that the drain hole is unobstructed. At the same time, the water droplets formed by defrosting on the evaporator body fins can gradually drip into the water tray during this period and eventually flow into the water storage box in the compressor compartment.

[0186] Step 8: Further, when the running time t4 of the compressor corresponding to the water tray heater reaches 5 minutes, defrosting ends and the refrigerator returns to the pre-defrosting operating mode.

[0187] Figure 6 This is a schematic diagram of a defrosting control device for equipment, provided as an embodiment of this application. It is applied in the defrosting control process of equipment. According to... Figure 6 The provided diagram shows that the defrosting control device for the equipment specifically includes:

[0188] The defrosting module 61 is activated to determine whether the target device meets the defrosting conditions when the target device is in extreme freezing mode, and to activate the multi-level defrosting mode when the target device meets the defrosting conditions.

[0189] The control module 62 is used to acquire the target temperature and target duration of operation at a specified location of the target device, and to perform defrosting control according to a multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device.

[0190] The termination module 63 is used to perform termination defrosting control on the target device when the target temperature or target duration meets the preset termination conditions.

[0191] The defrosting control device provided in this embodiment can be as follows: Figure 6 The defrosting control device shown can perform actions such as Figure 1-5 All steps of the defrosting control method for equipment, thereby achieving... Figure 1-5 For details on the technical effects of the defrosting control method for the equipment shown, please refer to [link / reference needed]. Figure 1-5 The relevant descriptions are presented concisely and will not be elaborated upon here.

[0192] Figure 7 This is a schematic diagram of the structure of a refrigerator provided in an embodiment of this application. Figure 7 The refrigerator 700 shown includes at least one processor 701, a memory 702, at least one network interface 704, and other user interfaces 703. The various components in the refrigerator 700 are coupled together via a bus system 705. It is understood that the bus system 705 is used to implement communication between these components. In addition to a data bus, the bus system 705 also includes a power bus, a control bus, and a status signal bus. However, for clarity, in… Figure 7The general labeled all buses as Bus System 705.

[0193] The user interface 703 may include a display, keyboard, or clicking device (e.g., mouse, trackball, touchpad, or touchscreen).

[0194] It is understood that the memory 702 in the embodiments of this application can be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. The non-volatile memory can be read-only memory (ROM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), or flash memory. The volatile memory can be random access memory (RAM), which is used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced Synchronous DRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The memory 702 described herein is intended to include, but is not limited to, these and any other suitable types of memory.

[0195] In some implementations, memory 702 stores elements, executable units or data structures, or subsets thereof, or extended sets thereof: operating system 7021 and application program 7022.

[0196] The operating system 7021 includes various system programs, such as the framework layer, core library layer, and driver layer, used to implement various basic business functions and handle hardware-based tasks. The application program 7022 includes various applications, such as a media player and a browser, used to implement various application functions. The program implementing the method of the embodiments of this application can be included in the application program 7022.

[0197] In this embodiment, by calling a program or instruction stored in memory 702, specifically a program or instruction stored in application program 7022, processor 701 executes the method steps provided in each method embodiment, including, for example:

[0198] When the target device is in extreme freezing mode, determine whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, start the multi-level defrosting mode; obtain the target temperature and target duration of operation at a specified location of the target device, and perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device; when the target temperature or target duration meets the preset termination conditions, execute the end defrosting control for the target device.

[0199] The methods disclosed in the embodiments of this application can be applied to or implemented by processor 701. Processor 701 may be an integrated circuit chip with signal processing capabilities. In the implementation process, each step of the above method can be completed by the integrated logic circuit of the hardware in processor 701 or by instructions in the form of software. The processor 701 may be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA), or other programmable logic devices, discrete gate or transistor logic devices, or discrete hardware components. It can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of this application. The general-purpose processor may be a microprocessor or any conventional processor. The steps of the methods disclosed in the embodiments of this application can be directly embodied in the execution of a hardware decoding processor, or executed by a combination of hardware and software units in the decoding processor. The software units may be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, or other mature storage media in the art. The storage medium is located in memory 702. Processor 701 reads the information in memory 702 and, in conjunction with its hardware, completes the steps of the above method.

[0200] It is understood that the embodiments described herein can be implemented in hardware, software, firmware, middleware, microcode, or a combination thereof. For hardware implementation, the processing unit can be implemented in one or more application-specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field-programmable gate arrays (FPGAs), general-purpose processors, controllers, microcontrollers, microprocessors, other electronic units for performing the functions described herein, or combinations thereof.

[0201] For software implementation, the techniques described herein can be implemented by units that perform the functions described herein. The software code can be stored in memory and executed by a processor. The memory can be implemented in the processor or external to the processor.

[0202] The refrigerator provided in this embodiment can be as follows: Figure 7 The refrigerator shown can perform the following functions: Figure 1-5 All steps of the defrosting control method for equipment, thereby achieving... Figure 1-5 For details on the technical effects of the defrosting control method for the equipment shown, please refer to [link / reference needed]. Figure 1-5 The relevant descriptions are presented concisely and will not be elaborated upon here.

[0203] This application also provides a storage medium (computer-readable storage medium). This storage medium stores one or more programs. The storage medium may include volatile memory, such as random access memory; it may also include non-volatile memory, such as read-only memory, flash memory, hard disk, or solid-state drive; and it may also include combinations of the above types of memory.

[0204] When one or more programs in the storage medium can be executed by one or more processors to implement the above-described device defrosting control method executed on the device defrosting control device side.

[0205] The processor is used to execute the device defrosting control program stored in the memory to implement the following steps of the device defrosting control method executed on the device defrosting control device side:

[0206] When the target device is in extreme freezing mode, determine whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, start the multi-level defrosting mode; obtain the target temperature and target duration of operation at a specified location of the target device, and perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the running time of the compressor in the target device; when the target temperature or target duration meets the preset termination conditions, execute the end defrosting control for the target device.

[0207] Those skilled in the art will further recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of both. To clearly illustrate the interchangeability of hardware and software, the components and steps of the various examples have been generally described in terms of functionality in the foregoing description. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0208] The steps of the methods or algorithms described in conjunction with the embodiments disclosed herein can be implemented in hardware, a software module executed by a processor, or a combination of both. The software module can be located in random access memory (RAM), main memory, read-only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

[0209] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this application. It should be understood that the above description is only a specific embodiment of this application and is not intended to limit the scope of protection of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the scope of protection of this application.

Claims

1. A method for controlling defrosting of equipment, characterized in that, include: When the target device is in extreme freeze mode, it is determined whether the target device meets the defrosting conditions, and when the target device meets the defrosting conditions, a multi-level defrosting mode is activated. The target temperature and target duration of operation at a specified location of the target device are obtained, and defrosting control is performed according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the operating time of the compressor in the target device. The steps of obtaining the target temperature and target duration at a specified location of the target device, and performing defrosting control according to the multi-level defrosting mode, include: obtaining a first target temperature through a return gas sensor, obtaining a second target temperature through a second target sensor, and obtaining the target duration of compressor operation; determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration; and performing defrosting control on the target device based on the defrosting mode corresponding to the defrosting mode level. The step of determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration includes: when the target device meets the defrosting conditions and is in the first-level defrosting mode, determining whether the first target temperature and the target duration meet a first preset condition. When the first target temperature and the target duration do not meet the first preset condition, the target device is determined to continue in Level 1 defrosting mode; when the first target temperature and the target duration meet the first preset condition, the target device is determined to activate Level 3 defrosting mode; based on the Level 3 defrosting mode, it is determined whether the second target temperature meets the second preset condition; when the second target temperature does not meet the second preset condition, the target device is determined to continue in Level 3 defrosting mode; when the second target temperature meets the second preset condition, the target device is determined to restart Level 1 defrosting mode; in Level 1 defrosting mode, the evaporator pipe is defrosted by heating it with high-temperature gaseous refrigerant; in Level 3 defrosting mode, the frost layer on the surface of the evaporator is defrosted by heating it with a heater at the bottom of the evaporator. When the target temperature or the target duration meets the preset termination condition, the defrosting control is executed on the target device.

2. The method according to claim 1, characterized in that, The step of activating the multi-level defrosting mode when the target device meets the defrosting conditions includes: Obtain the operating temperature of the target area specified by the target device; Determine whether the operating temperature exceeds the set defrost temperature threshold to obtain a first determination result; When the operating temperature exceeds the defrost temperature threshold, the first judgment result is obtained as the first result; Based on the first result, both the primary defrosting mode and the secondary defrosting mode of the target device are simultaneously activated. When the operating temperature is lower than the defrost temperature threshold, the first judgment result is obtained as the second result; Based on the second result, perform the step of determining whether the operating temperature exceeds the set defrosting temperature threshold.

3. The method according to claim 1, characterized in that, Determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration includes: When the target device simultaneously activates both the first-level defrosting mode and the second-level defrosting mode, determine whether the second target temperature meets the third preset condition. When the second target temperature meets the third preset condition, the target device is determined to start the four-level defrosting mode; If the second target temperature does not meet the third preset condition, the target device is determined to continue to maintain the first-level defrosting mode and the second-level defrosting mode.

4. The method according to claim 3, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device starts the first-level defrosting mode, the compressor is controlled to stop running, and the one-way valve of the target device is controlled to be in the open state; When the target duration reaches the preset first time threshold, the compressor is controlled to start running, and the return gas pipe heater is controlled to start heating. The evaporator internal circuit of the target device is defrosted based on the first-level defrosting mode. When the first target temperature is less than or equal to the first temperature threshold or the target duration reaches the preset second time threshold, the compressor is controlled to stop running, and the return gas pipe heater is controlled to shut down. When the first target temperature is greater than the first temperature threshold and the target duration has not reached the preset second time threshold, the steps of controlling the compressor to start operation and controlling the return gas pipe heater to start heating are executed.

5. The method according to claim 3, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device starts the secondary defrosting mode, the heating control is executed on the aluminum tube heater corresponding to the target device. The defrosting process is performed on the fin surface of the target device based on the two-stage defrosting mode. When the second target temperature meets the third preset condition, the aluminum tube heater is shut down for heating control.

6. The method according to claim 3, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device starts the three-level defrosting mode, the heating control is executed on the steel pipe heater corresponding to the target device. The evaporator exterior in the target device is defrosted based on the three-stage defrosting mode. When the second target temperature is greater than or equal to the second temperature threshold, the target device is controlled to end the three-level defrosting mode; When the second target temperature is less than the second temperature threshold, the step of turning on the heating control of the steel pipe heater corresponding to the target device is executed.

7. The method according to claim 3, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device restarts the first-level defrosting mode, the one-way valve of the target device is controlled to be in the open state, and the compressor is controlled to start running; Based on the first-level defrosting mode, the residual frost on the main body of the evaporator of the target device is defrosted; When the target duration reaches the preset third time threshold, the compressor is controlled to stop running, the one-way valve is controlled to be closed, and the steel pipe heater of the target equipment is shut down for heating control. If the target duration has not reached the third time threshold, the steps of controlling the one-way valve of the target device to be in the open state and controlling the compressor to start running are executed.

8. The method according to claim 7, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device is in the first-level defrosting mode and the second-level defrosting mode that have been restarted, determine whether the second target temperature is greater than or equal to the preset third temperature threshold. When the second target temperature is greater than or equal to the third temperature threshold, the aluminum tube heater of the target device is shut down to enable the target device to start the four-level defrosting mode. When the second target temperature is less than the third temperature threshold, the steps of controlling the compressor to stop running, controlling the one-way valve to be in a closed state, and performing the shutdown heating control on the steel pipe heater of the target equipment are executed.

9. The method according to claim 8, characterized in that, The defrosting control of the target device based on the defrosting mode level includes: When the target device is in the fourth-level defrosting mode, the water receiving pan heater of the target device is turned on for heating control. The residual ice in the water receiving tray of the target device is defrosted based on the four-level defrosting mode. When the target duration reaches the preset fourth time threshold, the target device is controlled to stop defrosting. If the target duration does not reach the fourth time threshold, the target device is controlled to continue to maintain the fourth-level defrosting mode.

10. A defrosting control device for equipment, characterized in that, include: The defrosting module is activated to determine whether the target device meets the defrosting conditions when it is in extreme freeze mode, and to activate a multi-level defrosting mode when the target device meets the defrosting conditions. The control module is used to acquire the target temperature and target duration of operation at a specified location of the target device, and to perform defrosting control according to the multi-level defrosting mode. The target temperature represents the monitoring temperature of the target sensor, and the target duration is the operating time of the compressor in the target device. The steps of obtaining the target temperature and target duration at a specified location of the target device, and performing defrosting control according to the multi-level defrosting mode, include: obtaining a first target temperature through a return gas sensor, obtaining a second target temperature through a second target sensor, and obtaining the target duration of compressor operation; determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration; and performing defrosting control on the target device based on the defrosting mode corresponding to the defrosting mode level. Determining the defrosting mode level of the target device based on the first target temperature, the second target temperature, and the target duration includes: when the target device meets the defrosting conditions and is in the first-level defrosting mode, determining whether the first target temperature and the target duration meet a first preset condition; when... If the first target temperature and the target duration do not meet the first preset condition, the target device is determined to continue in Level 1 defrosting mode; if the first target temperature and the target duration meet the first preset condition, the target device is determined to activate Level 3 defrosting mode; based on the Level 3 defrosting mode, it is determined whether the second target temperature meets the second preset condition; if the second target temperature does not meet the second preset condition, the target device is determined to continue in Level 3 defrosting mode; if the second target temperature meets the second preset condition, the target device is determined to restart Level 1 defrosting mode; wherein, in Level 1 defrosting mode, the evaporator pipe is defrosted by heating it with high-temperature gaseous refrigerant; in Level 3 defrosting mode, the frost layer on the surface of the evaporator is defrosted by heating it with a heater at the bottom of the evaporator. The termination module is used to perform termination defrosting control on the target device when the target temperature or the target duration meets the preset termination conditions.

11. A refrigerator, characterized in that, include: A processor and a memory, the processor being configured to execute a device defrosting control program stored in the memory to implement the device defrosting control method according to any one of claims 1 to 9.

12. A storage medium, characterized in that, The storage medium stores one or more programs, which can be executed by one or more processors to implement the defrosting control method for the device as described in any one of claims 1 to 9.

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