Refrigerator refrigeration method, device, refrigerator and computer readable storage medium
By controlling the opening and closing of the compressor and refrigerator damper based on the refrigerator temperature and historical records during the refrigerator compartment's cooling request, the high energy consumption problem caused by the separate cooling of the freezer compartment is solved, thus reducing the refrigerator's energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- TCL HOME APPLIANCES (HEFEI) CO LTD
- Filing Date
- 2024-01-08
- Publication Date
- 2026-07-10
AI Technical Summary
The freezer compartment of existing single-system air-cooled refrigerators has a low start-up temperature, which leads to a high compressor operating rate and increases refrigerator energy consumption.
By receiving cooling requests from the cold storage room, obtaining the cold storage temperature and historical operating records, if the shutdown time is longer than the target insulation time and the cold storage temperature is greater than the target start-up temperature, the compressor and cold storage damper are turned on for cooling; if the cold storage temperature is equal to the target shutdown temperature, the compressor and cold storage damper are turned off to stop cooling.
This reduces the compressor's operating rate and decreases the refrigerator's energy consumption.
Smart Images
Figure CN117781591B_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of refrigerator control technology, specifically to a refrigerator refrigeration method, apparatus, refrigerator, and computer-readable storage medium. Background Technology
[0002] With the release of the dual-carbon strategy, energy conservation and emission reduction are receiving increasing attention in the refrigerator industry, and various energy-saving control technologies are emerging one after another.
[0003] Currently, the control logic of single-system air-cooled refrigerators involves the freezer compartment controlling the compressor's on / off state, while the refrigerator compartment controls the opening and closing of the refrigerator's air damper. In this mode, because the freezer compartment's starting temperature is usually set relatively low, it often cools independently, leading to a higher compressor operating rate and consequently increased energy consumption. Therefore, reducing refrigerator energy consumption is an urgent problem to be solved. Summary of the Invention
[0004] This application provides a refrigerator cooling method, apparatus, refrigerator, and computer-readable storage medium, which can reduce the compressor's operating rate to reduce the refrigerator's energy consumption.
[0005] In a first aspect, embodiments of this application provide a refrigerator cooling method, the method comprising:
[0006] Receive a cooling request from the refrigerator compartment, and obtain the refrigeration temperature of the refrigerator compartment and the refrigerator's historical operating records;
[0007] If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, then the compressor and refrigeration damper are turned on to refrigerate the refrigeration compartment.
[0008] If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, then the compressor and the refrigeration damper are turned off to stop refrigeration.
[0009] Secondly, embodiments of this application provide a refrigerator refrigeration device.
[0010] The acquisition unit is used to receive the cooling request of the refrigerator compartment, acquire the refrigeration temperature of the refrigerator compartment and the historical operating records of the refrigerator;
[0011] The first control unit is configured to turn on the compressor and the refrigeration damper to cool the refrigeration compartment if the downtime in the historical work record is greater than the target heat preservation time and the refrigeration temperature is greater than the target refrigeration start-up temperature.
[0012] The second control unit is used to shut down the compressor and the refrigeration damper to stop refrigeration if the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature.
[0013] Thirdly, embodiments of this application also provide a refrigerator, including a memory storing multiple instructions; a processor loads instructions from the memory to execute the steps of any of the refrigerator refrigeration methods provided in embodiments of this application.
[0014] Fourthly, embodiments of this application also provide a computer-readable storage medium storing a plurality of instructions adapted for loading by a processor to execute the steps of any of the refrigerator refrigeration methods provided in embodiments of this application.
[0015] Fifthly, embodiments of this application also provide a computer program product, including a computer program or instructions, which, when executed by a processor, implement the steps in any of the refrigerator refrigeration methods provided in embodiments of this application.
[0016] The solution adopted in the application embodiment receives a cooling request from the refrigerator compartment, obtains the refrigerator temperature of the refrigerator compartment and the refrigerator's historical operating records; if the shutdown time in the historical operating records is greater than the target heat preservation time, and the refrigerator temperature is greater than the target refrigerator start-up temperature, then the compressor is turned on and the refrigerator damper is opened to cool the refrigerator compartment; if the refrigerator temperature corresponding to the refrigerator compartment is equal to the target refrigerator shutdown temperature, then the compressor and the refrigerator damper are turned off to stop cooling. By turning on the compressor and the refrigerator damper to cool the refrigerator compartment when the shutdown time is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the main compressor of the refrigerator compartment is turned on, avoiding the situation where the freezer compartment's compressor is turned on separately for cooling, reducing the compressor's operating rate, and thus reducing the refrigerator's energy consumption. Attached Figure Description
[0017] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0018] Figure 1 This is a schematic flowchart of the first embodiment of the refrigerator refrigeration method provided in this application;
[0019] Figure 2 This is a schematic flowchart of the second embodiment of the refrigerator refrigeration method provided in this application;
[0020] Figure 3 This is a flowchart illustrating the specific implementation of the refrigerator refrigeration method provided in this application;
[0021] Figure 4 This is a schematic diagram of the structure of the refrigerator refrigeration device provided in the embodiments of this application;
[0022] Figure 5 This is a schematic diagram of the refrigerator provided in the embodiments of this application. Detailed Implementation
[0023] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the 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. At the same time, in the description of the embodiments of this application, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly specified.
[0024] This application provides a refrigerator cooling method, apparatus, refrigerator, and computer-readable storage medium.
[0025] Specifically, this embodiment will be described from the perspective of a refrigerator refrigeration device, which can be integrated into the refrigerator, that is, the refrigerator refrigeration method of this application embodiment can be executed by the refrigerator.
[0026] The refrigerator refrigeration method provided in this application embodiment can be applied to refrigerators, food storage devices, etc.
[0027] The following detailed description is provided in conjunction with the accompanying drawings. In this embodiment, a refrigerator is used as an example of the executing entity. It should be noted that the order of description in the following embodiments is not intended to limit the preferred order of the embodiments. Although a logical order is shown in the flowcharts, in some cases, the steps shown or described may be performed in a different order than that shown in the accompanying drawings.
[0028] Please refer to Figure 1 The first embodiment of this application proposes a refrigerator refrigeration method that includes the following steps:
[0029] Step 101: Receive a cooling request from the refrigerator compartment, and obtain the refrigeration temperature of the refrigerator compartment and the refrigerator's historical operating records;
[0030] Step 102: If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, then turn on the compressor and refrigeration damper to refrigerate the refrigeration compartment.
[0031] Step 103: If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, then the compressor and the refrigeration damper are turned off to stop refrigeration.
[0032] In this embodiment, the refrigerator is a single-system air-cooled refrigerator, including a refrigerator compartment and a freezer compartment. A refrigerator damper exists between the refrigerator and freezer compartments. Cooling requests from the freezer compartment trigger the compressor in the main refrigerator. When the refrigerator receives a cooling request from the refrigerator compartment, it acquires the refrigerator temperature and the refrigerator's historical operating records. It compares the downtime in the historical operating records with the target heat preservation time and the refrigerator temperature with the target refrigerator start-up temperature. If the downtime in the historical operating records is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the compressor and refrigerator damper are activated to cool the refrigerator compartment. The refrigerator monitors the refrigerator temperature in the refrigerator compartment in real time and compares it with the target refrigerator stop temperature. If the refrigerator temperature equals the target refrigerator stop temperature, the compressor and refrigerator damper are deactivated to stop cooling.
[0033] In this embodiment, the refrigerator receives a cooling request from the refrigerator compartment, obtains the refrigerator temperature of the refrigerator compartment and the refrigerator's historical operating records. If the shutdown time in the historical operating records is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the compressor is turned on and the refrigerator damper is opened to cool the refrigerator compartment. If the refrigerator temperature corresponding to the refrigerator compartment is equal to the target refrigerator shutdown temperature, the compressor and refrigerator damper are turned off to stop cooling. By turning on the compressor and refrigerator damper to cool the refrigerator compartment when the shutdown time is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the refrigerator compartment's main compressor is activated, avoiding the situation where the freezer compartment's compressor is activated alone for cooling, reducing the compressor's operating rate, and thus reducing the refrigerator's energy consumption.
[0034] Specifically, the following provides a detailed explanation of each step:
[0035] Step 101: Receive a cooling request from the refrigerator compartment, and obtain the refrigeration temperature of the refrigerator compartment and the refrigerator's historical operating records;
[0036] In this step, the refrigerator receives a cooling request from the refrigerator compartment, obtains the current temperature of the refrigerator compartment and the refrigerator's historical operating records. It is understood that the refrigerator includes a data storage device that can store the refrigerator's historical operating records, such as the refrigerator's off-time, on-time, cooling time, historical ambient temperature, and the historical set temperatures of the freezer and refrigerator compartments.
[0037] Step 102: If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, then turn on the compressor and refrigeration damper to refrigerate the refrigeration compartment.
[0038] In this step, after obtaining the refrigerator temperature and historical operating records of the refrigerator compartment, the refrigerator compares the downtime in the historical operating records with the target heat preservation time, and compares the refrigerator temperature with the target refrigerator start-up temperature. If the downtime in the historical operating records is longer than the target heat preservation time, and the refrigerator temperature is higher than the target refrigerator start-up temperature, then the compressor and refrigerator damper are turned on to cool the refrigerator compartment. It should be noted that the downtime refers to the downtime of the freezer compartment, which is the time interval from the moment the freezer compartment stops cooling to the current moment.
[0039] Furthermore, when the downtime in the historical work record is not greater than the target heat preservation time, or the refrigeration temperature is not greater than the target refrigeration start-up temperature, the refrigerator will not respond to the cooling request of the refrigeration compartment, that is, it will not cool the refrigeration compartment, so as to further reduce the compressor's operating rate and thus reduce the refrigerator's energy consumption.
[0040] Further, prior to step 102, the following steps are included:
[0041] Step a: If the target compartment temperature corresponding to the freezer compartment and the refrigerator compartment of the refrigerator changes, or the rate of change of the ambient temperature is greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the target compartment temperature is determined as the target refrigerator start-up temperature.
[0042] In this step, the refrigerator obtains the historical set temperature of the freezer and refrigerator compartments from the historical work records, as well as the target temperature of the freezer and refrigerator compartments at the current moment. The target temperature is the storage temperature set by the user for storing food in the freezer and refrigerator compartments. The refrigerator compares the historical set temperature of the freezer compartment with the target temperature of the freezer compartment at the current moment, and compares the historical set temperature of the refrigerator compartment with the target temperature of the refrigerator compartment at the current moment, detecting changes in the target temperature of the freezer and refrigerator compartments. The refrigerator also obtains the historical ambient temperature from the historical work records and the ambient temperature at the current moment, calculates the rate of change of the ambient temperature, and then determines whether the rate of change of the ambient temperature is greater than a preset change threshold. The rate of change of the ambient temperature can be understood as the difference between the ambient temperature at the current moment and the historical ambient temperature recorded at the most recent moment in the historical work records.
[0043] If the refrigerator determines that the target compartment temperature corresponding to the freezer and refrigerator compartments has changed, or that the rate of change of the ambient temperature is greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the target compartment temperature will be determined as the target refrigerator start-up temperature. In other words, when the target compartment temperature corresponding to the freezer and refrigerator compartments changes, and the rate of change of the ambient temperature is not greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the changed target compartment temperature will be determined as the target refrigerator start-up temperature. Conversely, when the target compartment temperature corresponding to the freezer and refrigerator compartments does not change, and the rate of change of the ambient temperature is greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the target compartment temperature will be determined as the target refrigerator start-up temperature.
[0044] Step b: If the target compartment temperature does not change and the rate of change of the ambient temperature is not greater than the preset change threshold, then obtain the cold storage compartment storage information, and calculate the target cold storage start-up temperature based on the rate of change of the ambient temperature, the cold storage compartment storage information, and the second preset cold storage start-up temperature corresponding to the target compartment temperature.
[0045] In this step, if the target compartment temperature of the refrigerator does not change and the rate of change of the ambient temperature is not greater than the preset change threshold, the storage information of the refrigerator compartment is obtained, and the target refrigerator start-up temperature is calculated based on the rate of change of the ambient temperature, the storage information of the refrigerator compartment, and the second preset refrigerator start-up temperature corresponding to the target compartment temperature.
[0046] Optionally, the refrigerator has a preset start-up temperature compensation value. When it is determined that the target compartment temperature has not changed and the rate of change of the ambient temperature is not greater than the preset change threshold, the refrigerator adds the start-up temperature compensation value to the second preset refrigerator start-up temperature corresponding to the target compartment temperature to obtain the target refrigerator start-up temperature. For example, the start-up temperature compensation value is 1°C, and the target refrigerator start-up temperature is obtained by adding 1°C to the second preset refrigerator start-up temperature.
[0047] Specifically, calculating the target refrigeration start-up temperature based on the ambient temperature change rate, the refrigeration compartment storage information, and the second preset refrigeration start-up temperature corresponding to the target compartment temperature includes:
[0048] Step b1: Determine the refrigerated storage heat capacity based on the quality and type of refrigerated items in the refrigerated storage information.
[0049] In this step, the refrigerator determines the refrigeration storage heat capacity based on the mass and type of refrigerated items in the refrigeration compartment storage information. Specifically, the refrigeration storage heat capacity includes refrigeration storage density and refrigeration storage specific heat capacity. The refrigerator determines the refrigeration storage density by combining the mass of the refrigerated items in the refrigeration compartment storage information with the volume of the refrigeration compartment and referring to a preset mass-volume-refrigeration storage density mapping table. It also determines the refrigeration storage specific heat capacity by referring to a preset item type-refrigeration storage specific heat capacity mapping table.
[0050] Step b2: Calculate the start-up temperature compensation value based on the ambient temperature change rate, the refrigerated storage heat capacity, and the preset thermal conductivity information;
[0051] In this step, the refrigerator calculates the start-up temperature compensation value based on the ambient temperature change rate, the refrigeration storage heat capacity, and preset thermal conductivity information. Specifically, the preset thermal conductivity information includes the refrigeration thermal conductivity coefficient determined based on data such as the structure, materials, and volume of the refrigeration compartment, as well as the thickness of the insulation material in the refrigeration compartment. The refrigeration storage heat capacity includes the refrigeration storage density and the refrigeration storage specific heat capacity. The refrigerator calculates the start-up temperature compensation value based on the ambient temperature change rate, refrigeration storage density, refrigeration storage specific heat capacity, refrigeration thermal conductivity, and insulation material thickness. The formula for calculating the start-up temperature compensation value is as follows:
[0052]
[0053] Where T is the start-up temperature compensation value, Δt is the ambient temperature change rate, ρ is the refrigerated storage density, C is the refrigerated storage specific heat capacity, k is the refrigerated thermal conductivity, and R is the insulation material thickness.
[0054] Step b3: Calculate the target refrigeration start-up temperature based on the start-up temperature compensation value and the second preset refrigeration start-up temperature corresponding to the target compartment temperature.
[0055] In this step, the refrigerator adds the start-up temperature compensation value to the second preset refrigerator start-up temperature corresponding to the target compartment temperature to obtain the target refrigerator start-up temperature.
[0056] Further, prior to step 102, the following steps are included:
[0057] Step c: Obtain the rate of change of ambient temperature, as well as the storage information of the freezer compartment and the refrigerator compartment corresponding to the refrigerator;
[0058] In this step, the refrigerator needs to determine the target heat preservation time. The refrigerator acquires the rate of change of ambient temperature, as well as the storage information of the corresponding freezer and refrigerator compartments, and then calculates the target heat preservation time based on the rate of change of ambient temperature, the storage information of the freezer and refrigerator compartments. Optionally, the target heat preservation time can be preset in the refrigerator.
[0059] Step d: Calculate the target insulation time based on the rate of change of ambient temperature, the storage information of the freezer compartment, the storage information of the refrigerator compartment, and the preset thermal conductivity information.
[0060] In this step, the refrigerator calculates the storage heat capacity of the refrigerator based on the storage information of the freezer compartment and the refrigerator compartment, and then calculates the target heat preservation time based on the storage heat capacity, the rate of change of ambient temperature and preset heat conduction information.
[0061] Further, step d includes:
[0062] Step d1: Determine the frozen storage heat capacity based on the mass and type of frozen stored items in the frozen storage information, and determine the refrigerated storage heat capacity based on the mass and type of refrigerated stored items in the refrigerated storage information.
[0063] In this step, the refrigerator obtains the mass and type of frozen stored items from the freezer compartment storage information. The frozen storage heat capacity includes frozen storage density and frozen storage specific heat capacity. Based on the mass of the frozen stored items in the freezer compartment storage information and the volume of the freezer compartment, the refrigerator determines the frozen storage density by referring to a preset mass-volume-frozen storage density mapping table. Based on the type of frozen stored items in the refrigerator compartment storage information, the refrigerator determines the frozen storage specific heat capacity by referring to a preset item type-frozen storage specific heat capacity mapping table. The refrigerator also obtains the mass and type of refrigerated stored items from the refrigerated compartment storage information. The refrigerated storage heat capacity includes refrigerated storage density and refrigerated storage specific heat capacity. Based on the mass of the refrigerated stored items in the refrigerated compartment storage information and the volume of the refrigerated compartment, the refrigerator determines the refrigerated storage density by referring to a preset mass-volume-frozen storage density mapping table. Based on the type of refrigerated stored items in the refrigerated compartment storage information, the refrigerator determines the refrigerated storage specific heat capacity by referring to a preset item type-refrigerated storage specific heat capacity mapping table.
[0064] Step d2: Determine the storage heat capacity of the refrigerator based on the frozen storage heat capacity and the refrigerated storage heat capacity;
[0065] In this step, the refrigerator determines its storage heat capacity based on its frozen storage heat capacity and its refrigerated storage heat capacity. Specifically, the refrigerator's storage density is calculated based on its frozen storage density and its refrigerated storage density, and its specific heat capacity is calculated based on its frozen storage specific heat capacity and its refrigerated storage specific heat capacity, thereby obtaining the refrigerator's storage heat capacity.
[0066] Step d3: Calculate the target heat preservation time based on the storage heat capacity, the rate of change of the ambient temperature, and the preset thermal conductivity information.
[0067] In this step, the refrigerator acquires preset structural information, including the volume and surface area of the refrigerator compartment, the volume and surface area of the freezer compartment, and then combines this information with the storage heat capacity, the rate of change of ambient temperature, and preset thermal conductivity information to calculate the target heat preservation time. The preset thermal conductivity information includes the thermal conductivity coefficients of the refrigerator and freezer compartments. The specific formula for calculating the target heat preservation time is as follows:
[0068]
[0069] Where t is the target heat preservation time, ρ is the refrigerator storage density, V is the sum of the volumes of the refrigerator compartment and the freezer compartment, C is the specific heat capacity of the refrigerator storage, ΔT is the rate of change of ambient temperature, k is the average value of the thermal conductivity of the refrigerator compartment and the thermal conductivity of the freezer compartment, and A is the sum of the surface areas of the refrigerator compartment and the freezer compartment.
[0070] Step 103: If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, then the compressor and the refrigeration damper are turned off to stop refrigeration.
[0071] In this step, while cooling the refrigerator compartment, the refrigerator continuously monitors the refrigerator temperature in real time and compares it with the target refrigerator shut-off temperature. If the refrigerator temperature equals the target refrigerator shut-off temperature, the compressor and refrigerator damper are turned off to stop cooling. Furthermore, while monitoring the refrigerator temperature, the refrigerator temperature in the freezer compartment is also monitored. When the refrigerator temperature equals the target refrigerator shut-off temperature and the freezer temperature equals the target freezer start-up temperature, the compressor remains on and the refrigerator damper is closed to cool the freezer compartment.
[0072] In this embodiment, the refrigerator receives a cooling request from the refrigerator compartment, obtains the refrigerator temperature of the refrigerator compartment and the refrigerator's historical operating records. If the shutdown time in the historical operating records is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the compressor is turned on and the refrigerator damper is opened to cool the refrigerator compartment. If the refrigerator temperature corresponding to the refrigerator compartment is equal to the target refrigerator shutdown temperature, the compressor and refrigerator damper are turned off to stop cooling. By turning on the compressor and refrigerator damper to cool the refrigerator compartment when the shutdown time is greater than the target heat preservation time and the refrigerator temperature is greater than the target refrigerator start-up temperature, the refrigerator compartment's main compressor is activated, avoiding the situation where the freezer compartment's compressor is activated alone for cooling, reducing the compressor's operating rate, and thus reducing the refrigerator's energy consumption.
[0073] Further, refer to Figure 2 The second embodiment of this application is proposed. The difference between the second embodiment and the first embodiment is that if the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, then the compressor and the refrigeration damper are turned off to stop refrigeration, including:
[0074] Step 1031: If the refrigeration temperature corresponding to the refrigeration room is equal to the target refrigeration shutdown temperature, determine whether a refrigeration request from the freezer room has been received.
[0075] In this step, when the refrigerator determines that the refrigeration temperature of the refrigerator compartment is equal to the target refrigeration shutdown temperature, it determines whether it has received a cooling request from the freezer compartment. When the freezing temperature of the freezer compartment is equal to the target freezing start temperature, the cooling request from the freezer compartment will be triggered.
[0076] Step 1032: If a cooling request is received from the freezer compartment, the refrigerator damper is closed to cool the freezer compartment.
[0077] In this step, when the refrigerator determines that the refrigeration temperature is equal to the target refrigeration shutdown temperature and the freezing temperature is equal to the target freezing start temperature, the compressor is kept on and the refrigeration damper is closed to cool the freezer compartment.
[0078] Furthermore, after step 1032, including
[0079] Step 10321: If the refrigeration temperature is detected to be greater than the target refrigeration start-up temperature, then calculate the difference between the freezing temperature and the target freezing shutdown temperature;
[0080] In this step, during the cooling process of the freezer compartment, the refrigeration temperature of the refrigerator compartment may be higher than the target refrigerator start-up temperature. At this time, a refrigeration request will be triggered, and the refrigerator will calculate the difference between the current freezing temperature of the freezer compartment and the target freezing stop temperature.
[0081] Step 10322: If the difference is less than a preset difference threshold, the refrigeration damper is opened to refrigerate the refrigeration compartment.
[0082] Step 10323: If the difference is not less than a preset difference threshold, then keep the refrigeration damper closed and refrigerate the freezer compartment.
[0083] In steps 10322 and 10323, after calculating the difference between the freezing temperature and the target freezing stop temperature, the refrigerator compares this difference with a preset difference threshold. If the difference is less than the preset difference threshold, the refrigerator damper is opened to cool the refrigerator compartment. If the difference is not less than the preset difference threshold, the refrigerator damper remains closed, and the freezer compartment is cooled. It can be understood that when the difference between the freezing temperature and the target freezing stop temperature is less than the preset difference threshold, it indicates that the freezer compartment is about to finish cooling. At this point, not cooling the refrigerator compartment reduces the compressor's operating time and lowers the refrigerator's energy consumption.
[0084] Step 1033: If the freezing temperature corresponding to the freezing room is equal to the target freezing shutdown temperature, then the compressor is turned off to stop refrigeration;
[0085] In this step, during the cooling process of the freezer compartment, the refrigerator monitors the freezing temperature of the freezer compartment in real time. If the freezing temperature of the freezer compartment is equal to the target freezing shutdown temperature, the compressor is turned off and the cooling is stopped.
[0086] Step 1034: If no cooling request is received from the freezer compartment, the compressor and the refrigeration damper are turned off to stop cooling.
[0087] In this step, when the refrigerator determines that the refrigeration temperature of the refrigerator compartment is equal to the target refrigeration shutdown temperature, it determines whether it has received a cooling request from the freezer compartment. When the freezing temperature of the freezer compartment is lower than the target freezer start temperature, the cooling request from the freezer compartment will not be triggered, and the compressor and refrigerator damper will be turned off to stop cooling.
[0088] In this embodiment, when the refrigerator stops cooling in the refrigerator compartment, it determines whether a cooling request from the freezer compartment has been received. If a cooling request from the freezer compartment is received, the refrigerator door is closed, and the freezer compartment is cooled. During the cooling process of the freezer compartment, if a cooling request from the refrigerator compartment is detected, and the difference between the freezing temperature and the target freezing stop temperature is less than a preset difference threshold, it indicates that the freezer compartment is about to finish cooling. At this time, the refrigerator compartment is not cooled. This embodiment can reduce the compressor's operating time and start-up rate, thereby reducing the refrigerator's energy consumption.
[0089] In specific implementation, refer to Figure 3When a refrigeration request is received from the refrigeration compartment, the compressor starts, the fan starts, and the refrigeration damper opens to refrigerate the refrigeration compartment. After the refrigeration temperature in the refrigeration compartment reaches the shutdown temperature, and a refrigeration request is received from the freezer compartment, the refrigeration damper closes, while the fan and compressor continue to run to refrigerate the freezer compartment. When the freezing temperature in the freezer compartment reaches the shutdown temperature, the compressor shuts off and refrigeration stops.
[0090] During the refrigeration process in the freezer compartment, the difference between the freezing temperature and the freezer shutdown temperature in the freezer compartment is less than a preset difference threshold; even if the refrigerator compartment requests refrigeration, none of these requests will be executed.
[0091] During the time T that the freezer compartment stops cooling, even if the refrigerator compartment requests cooling, it will not be executed.
[0092] After the freezer compartment stops cooling for a period of time T, and when the refrigeration temperature reaches the refrigeration start-up temperature, the compressor starts, the fan starts, and the refrigeration damper opens to cool the refrigeration compartment.
[0093] When the temperature setting of the compartment remains constant and the temperature change of the ambient temperature sensor is no greater than 3°C, the refrigeration unit will start at the preset temperature starting point + 1°C during subsequent start-up and shutdown cycles. When the temperature setting of the compartment changes or the temperature change of the ambient temperature sensor is no less than 3°C, the refrigeration unit will start at the preset temperature starting point.
[0094] This embodiment also provides a refrigerator refrigeration device, which can be integrated into devices such as refrigerators and dryers. Figure 4 As shown, the refrigerator's refrigeration unit may include:
[0095] The acquisition unit 1001 is used to receive a cooling request from the refrigerator compartment, acquire the refrigeration temperature of the refrigerator compartment and the historical operating records of the refrigerator;
[0096] The first control unit 1002 is used to turn on the compressor and the refrigeration damper to cool the refrigeration compartment if the downtime in the historical work record is greater than the target heat preservation time and the refrigeration temperature is greater than the target refrigeration start-up temperature.
[0097] The second control unit 1003 is used to shut down the compressor and the refrigeration damper to stop refrigeration if the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature.
[0098] In an optional example, the second control unit is also used for:
[0099] If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, determine whether a refrigeration request from the freezer compartment has been received;
[0100] If a cooling request is received from the freezer compartment, the refrigeration damper is closed to cool the freezer compartment.
[0101] If the freezing temperature corresponding to the freezing compartment is equal to the target freezing shutdown temperature, then the compressor is turned off to stop refrigeration;
[0102] If no cooling request is received from the freezer compartment, the compressor and the refrigeration damper are turned off to stop cooling.
[0103] In an optional example, the second control unit is also used for:
[0104] If the refrigeration temperature is detected to be greater than the target refrigeration start-up temperature, then the difference between the freezing temperature and the target freezing shutdown temperature is calculated;
[0105] If the difference is less than a preset difference threshold, the refrigeration damper is opened to refrigerate the refrigeration compartment.
[0106] If the difference is not less than a preset difference threshold, the refrigeration damper is kept closed to refrigerate the freezer compartment.
[0107] In an optional example, the refrigerator refrigeration unit also includes a computing unit, which is used for:
[0108] If the target compartment temperature corresponding to the freezer compartment and the refrigerator compartment of the refrigerator changes, or if the rate of change of the ambient temperature is greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the target compartment temperature is determined as the target refrigerator start-up temperature.
[0109] If the target compartment temperature does not change and the rate of change of the ambient temperature is not greater than the preset change threshold, then the cold storage compartment storage information is obtained, and the target cold storage start-up temperature is calculated based on the rate of change of the ambient temperature, the cold storage compartment storage information, and the second preset cold storage start-up temperature corresponding to the target compartment temperature.
[0110] In an optional example, the computation unit is also used for:
[0111] The refrigerated storage heat capacity is determined based on the quality and type of refrigerated items in the refrigerated room storage information.
[0112] The start-up temperature compensation value is calculated based on the ambient temperature change rate, the refrigerated storage heat capacity, and the preset thermal conductivity information.
[0113] The target refrigeration start-up temperature is calculated based on the start-up temperature compensation value and the second preset refrigeration start-up temperature corresponding to the target compartment temperature.
[0114] In an optional example, the computation unit is also used for:
[0115] The rate of change of ambient temperature, as well as the storage information of the freezer compartment and the refrigerator compartment corresponding to the refrigerator, are obtained.
[0116] The target insulation time is calculated based on the rate of change of ambient temperature, the storage information of the freezer compartment, the storage information of the refrigerator compartment, and the preset thermal conductivity information.
[0117] In an optional example, the computation unit is also used for:
[0118] Based on the mass and type of frozen stored items in the frozen compartment storage information, the frozen storage heat capacity is determined; based on the mass and type of refrigerated stored items in the refrigerated compartment storage information, the refrigerated storage heat capacity is determined.
[0119] The storage heat capacity of the refrigerator is determined based on the frozen storage heat capacity and the refrigerated storage heat capacity.
[0120] The target heat preservation time is calculated based on the storage heat capacity, the rate of change of the ambient temperature, and the preset thermal conductivity information.
[0121] The solution in this embodiment receives a cooling request from the refrigerator compartment, obtains the refrigerator temperature of the refrigerator compartment and the refrigerator's historical operating records. If the shutdown duration in the historical operating records is greater than the target heat preservation duration and the refrigerator temperature is greater than the target refrigerator start-up temperature, the compressor is turned on and the refrigerator damper is opened to cool the refrigerator compartment. If the refrigerator temperature corresponding to the refrigerator compartment is equal to the target refrigerator shutdown temperature, the compressor and refrigerator damper are turned off to stop cooling. By turning on the compressor and refrigerator damper to cool the refrigerator compartment when the shutdown duration is greater than the target heat preservation duration and the refrigerator temperature is greater than the target refrigerator start-up temperature, the main compressor of the refrigerator compartment is activated, avoiding the situation where the freezer compartment's compressor is turned on alone for cooling, reducing the compressor's operating rate, and thus reducing the refrigerator's energy consumption.
[0122] Accordingly, embodiments of this application also provide a refrigerator, such as Figure 5 As shown, Figure 5 This is a schematic diagram of the structure of a refrigerator provided in an embodiment of this application. The refrigerator 1100 includes a processor 1101 with one or more processing cores, a memory 1102 with one or more computer-readable storage media, and a computer program stored on the memory 1102 and executable on the processor. The processor 1101 and the memory 1102 are electrically connected. Those skilled in the art will understand that the refrigerator structure shown in the figure does not constitute a limitation on the refrigerator, and may include more or fewer components than shown, or combine certain components, or have different component arrangements.
[0123] The processor 1101 is the control center of the refrigerator 1100. It connects to various parts of the refrigerator 1100 via various interfaces and lines. By running or loading software programs and / or units stored in the memory 1102, and by calling data stored in the memory 1102, it executes various functions of the refrigerator 1100 and processes data, thereby providing overall monitoring of the refrigerator 1100. The processor 1101 can be a CPU, GPU, network processor (NP), etc., and can implement or execute the methods, steps, and logic diagrams disclosed in the embodiments of this application.
[0124] In this embodiment of the application, the processor 1101 in the refrigerator 1100 will load the instructions corresponding to the processes of one or more applications into the memory 1102 according to the following steps, and the processor 1101 will run the applications stored in the memory 1102 to execute any of the refrigerator refrigeration methods provided in this embodiment of the application.
[0125] Optional, such as Figure 5 As shown, the refrigerator 1100 also includes: a touch screen display 1103, an radio frequency circuit 1104, an audio circuit 1105, an input unit 1106, and a power supply 1107. The processor 1101 is electrically connected to the touch screen display 1103, the radio frequency circuit 1104, the audio circuit 1105, the input unit 1106, and the power supply 1107. Those skilled in the art will understand that... Figure 5 The refrigerator structure shown does not constitute a limitation on the refrigerator and may include more or fewer components than shown, or combine certain components, or have different component arrangements.
[0126] The touch display screen 1103 can be used to display a graphical user interface (GUI) and receive operation commands generated by the user interacting with the GUI. The touch display screen 1103 may include a display panel and a touch panel. The display panel can be used to display information input by the user or information provided to the user, as well as various GUIs of the refrigerator. These GUIs can be composed of graphics, text, icons, video, and any combination thereof. Optionally, the display panel can be configured using a liquid crystal display (LCD), organic light-emitting diode (OLED), or other similar technologies. The touch panel can be used to collect touch operations performed by the user on or near it (such as operations performed by the user using a finger, stylus, or any suitable object or accessory on or near the touch panel), and generate corresponding operation commands, which then execute the corresponding program. Optionally, the touch panel may include a touch detection device and a touch controller. The touch detection device detects the user's touch location and the signal generated by the touch operation, transmitting the signal to the touch controller. The touch controller receives touch information from the touch detection device, converts it into touch point coordinates, and sends it to the processor 1101. It can also receive and execute commands from the processor 1101. The touch panel can cover the display panel. When the touch panel detects a touch operation on or near it, it transmits the information to the processor 1101 to determine the type of touch event. Subsequently, the processor 1101 provides corresponding visual output on the display panel based on the type of touch event. In this embodiment, the touch panel and the display panel can be integrated into the touch display screen 1103 to achieve input and output functions. However, in some embodiments, the touch panel and the touch display screen 1103 can be implemented as two independent components to achieve input and output functions. That is, the touch display screen 1103 can also be used as part of the input unit 1106 to achieve input functions.
[0127] The radio frequency circuit 1104 can be used to transmit and receive radio frequency signals to establish wireless communication with network devices or other refrigerators, and to transmit and receive signals with network devices or other refrigerators.
[0128] Audio circuit 1105 can be used to provide an audio interface between the user and the refrigerator via a speaker and a microphone. Audio circuit 1105 can convert received audio data into electrical signals and transmit them to the speaker, where the speaker converts them into sound signals for output. Conversely, the microphone converts collected sound signals into electrical signals, which are then received by audio circuit 1105, converted back into audio data, and then processed by processor 1101 before being transmitted via radio frequency circuit 1104 to, for example, another refrigerator, or output to memory 1102 for further processing. Audio circuit 1105 may also include an earphone jack to provide communication between external headphones and the refrigerator.
[0129] The input unit 1106 can be used to receive input numbers, characters, or user characteristic information (such as fingerprints, iris, facial information, etc.), and to generate keyboard, mouse, joystick, optical, or trackball signal inputs related to user settings and function control.
[0130] Power supply 1107 is used to supply power to the various components of refrigerator 1100. Optionally, power supply 1107 can be logically connected to processor 1101 through a power management system, thereby enabling functions such as charging, discharging, and power consumption management through the power management system. Power supply 1107 may also include one or more DC or AC power supplies, recharging systems, power fault detection circuits, power converters or inverters, power status indicators, and other arbitrary components.
[0131] although Figure 5 As not shown in the diagram, the refrigerator 1100 may also include a camera, sensor, wireless fidelity module, Bluetooth module, etc., which will not be described in detail here.
[0132] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.
[0133] Those skilled in the art will understand that all or part of the steps in the various methods of the above embodiments can be performed by instructions, or by instructions controlling related hardware. These instructions can be stored in a computer-readable storage medium and loaded and executed by a processor.
[0134] Therefore, embodiments of this application provide a computer-readable storage medium storing a plurality of computer programs that can be loaded by a processor to execute any of the refrigerator refrigeration methods provided in embodiments of this application.
[0135] The computer-readable storage medium may include: read-only memory (ROM), random access memory (RAM), disk or optical disk, etc.
[0136] Since the computer program stored in the computer-readable storage medium can execute any of the refrigerator refrigeration methods provided in the embodiments of this application, the beneficial effects that any of the refrigerator refrigeration methods provided in the embodiments of this application can achieve can be realized, as detailed in the preceding embodiments, and will not be repeated here.
[0137] According to one aspect of this application, a computer program product or computer program is also provided, comprising computer instructions stored in a computer-readable storage medium. A refrigerator's processor reads the computer instructions from the computer-readable storage medium and executes the computer instructions, causing the refrigerator to perform the methods provided in the various optional implementations of the above embodiments.
[0138] In the above embodiments of the refrigerator refrigeration device, computer-readable storage medium, refrigerator, and computer program product, the descriptions of each embodiment have different focuses. Parts not described in detail in a particular embodiment can be referred to in the relevant descriptions of other embodiments. Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes and beneficial effects of the refrigerator refrigeration device, computer-readable storage medium, computer program product, refrigerator, and their corresponding units described above can be referred to the description of the refrigerator refrigeration method in the above embodiments, and will not be repeated here.
[0139] The foregoing has provided a detailed description of a refrigerator refrigeration method, apparatus, refrigerator, computer-readable storage medium, and computer program product provided in the embodiments of this application. Specific examples have been used to illustrate the principles and implementation methods of this application. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.
Claims
1. A refrigerator cooling method, characterized in that, The refrigerator refrigeration method is applied to a refrigerator, and the method includes: Receive a cooling request from the refrigerator compartment, and obtain the refrigeration temperature of the refrigerator compartment and the refrigerator's historical operating records; If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, then the compressor and refrigeration damper are turned on to refrigerate the refrigeration compartment, and the downtime is the downtime of the freezer compartment. If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, then the compressor and the refrigeration damper are turned off to stop refrigeration.
2. The refrigerator refrigeration method according to claim 1, characterized in that, The step of shutting down the compressor and the refrigeration damper to stop refrigeration if the refrigeration temperature of the refrigeration compartment is equal to the target refrigeration shutdown temperature includes: If the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature, determine whether a refrigeration request from the freezer compartment has been received; If a cooling request is received from the freezer compartment, the refrigeration damper is closed to cool the freezer compartment. If the freezing temperature corresponding to the freezing compartment is equal to the target freezing shutdown temperature, then the compressor is turned off to stop refrigeration; If no cooling request is received from the freezer compartment, the compressor and the refrigeration damper are turned off to stop cooling.
3. The refrigerator refrigeration method according to claim 2, characterized in that, If a cooling request is received from the freezer compartment, the process of closing the refrigerator damper and cooling the freezer compartment includes: If the refrigeration temperature is detected to be greater than the target refrigeration start-up temperature, then the difference between the freezing temperature and the target freezing shutdown temperature is calculated; If the difference is less than a preset difference threshold, the refrigeration damper is opened to refrigerate the refrigeration compartment. If the difference is not less than a preset difference threshold, the refrigeration damper is kept closed to refrigerate the freezer compartment.
4. The refrigerator refrigeration method according to claim 1, characterized in that, If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, then before starting the compressor and refrigeration damper to refrigerate the refrigeration compartment, the following steps are included: If the target compartment temperature corresponding to the freezer compartment and the refrigerator compartment of the refrigerator changes, or the rate of change of the ambient temperature is greater than the preset change threshold, then the first preset refrigerator start-up temperature corresponding to the target compartment temperature is determined as the target refrigerator start-up temperature. If the target compartment temperature does not change and the rate of change of the ambient temperature is not greater than the preset change threshold, then the cold storage compartment storage information is obtained, and the target cold storage start-up temperature is calculated based on the rate of change of the ambient temperature, the cold storage compartment storage information, and the second preset cold storage start-up temperature corresponding to the target compartment temperature.
5. The refrigerator refrigeration method according to claim 4, characterized in that, The step of calculating the target refrigeration start-up temperature based on the rate of change of the ambient temperature, the storage information of the refrigeration compartment, and the second preset refrigeration start-up temperature corresponding to the target compartment temperature includes: The refrigerated storage heat capacity is determined based on the quality and type of refrigerated items in the refrigerated room storage information. The start-up temperature compensation value is calculated based on the rate of change of ambient temperature, the refrigerated storage heat capacity, and the preset thermal conductivity information. The target refrigeration start-up temperature is calculated based on the start-up temperature compensation value and the second preset refrigeration start-up temperature corresponding to the target compartment temperature.
6. The refrigerator cooling method according to claim 1, characterized in that, If the downtime in the historical work record is greater than the target heat preservation time, and the refrigeration temperature is greater than the target refrigeration start-up temperature, before starting the compressor and refrigeration damper to refrigerate the refrigeration compartment, the following steps are also included: The rate of change of ambient temperature, as well as the storage information of the freezer compartment and the refrigerator compartment corresponding to the refrigerator, are obtained. The target insulation time is calculated based on the rate of change of ambient temperature, the storage information of the freezer compartment, the storage information of the refrigerator compartment, and the preset thermal conductivity information.
7. The refrigerator refrigeration method according to claim 6, characterized in that, The step of calculating the target insulation time based on the rate of change of ambient temperature, the storage information of the freezer compartment, the storage information of the refrigerator compartment, and preset thermal conductivity information includes: Based on the mass and type of frozen stored items in the frozen compartment storage information, the frozen storage heat capacity is determined; based on the mass and type of refrigerated stored items in the refrigerated compartment storage information, the refrigerated storage heat capacity is determined. The storage heat capacity of the refrigerator is determined based on the frozen storage heat capacity and the refrigerated storage heat capacity. The target heat preservation time is calculated based on the storage heat capacity, the rate of change of the ambient temperature, and the preset thermal conductivity information.
8. A refrigerator refrigeration device, characterized in that, The device includes: The acquisition unit is used to receive the cooling request of the refrigerator compartment, acquire the refrigeration temperature of the refrigerator compartment and the historical operating records of the refrigerator; The first control unit is configured to turn on the compressor and the refrigeration damper to cool the refrigeration compartment if the downtime in the historical work record is greater than the target heat preservation time and the refrigeration temperature is greater than the target refrigeration start-up temperature, wherein the downtime is the downtime of the freezer compartment. The second control unit is used to shut down the compressor and the refrigeration damper to stop refrigeration if the refrigeration temperature corresponding to the refrigeration compartment is equal to the target refrigeration shutdown temperature.
9. A refrigerator, characterized in that, The device includes a processor and a memory, the memory storing multiple instructions; the processor loads instructions from the memory to perform the steps of the refrigerator refrigeration method as described in any one of claims 1-7.
10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a plurality of instructions adapted for loading by a processor to perform the steps of the refrigerator refrigeration method as described in any one of claims 1-7.