Refrigeration equipment, control method of refrigeration equipment and storage medium
Patent Information
- Application Number
- CN202410939555.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2026-01-13
Smart Images
Figure CN121323213A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of home appliance technology. More specifically, it relates to a refrigeration device, a control method for the refrigeration device, and a storage medium. Background Technology
[0002] When the refrigeration equipment is in cooling mode, frost will form on the evaporator surface when the surface temperature of the finned evaporator is lower than the air dew point temperature and below 0°C. As the frost layer thickens, defrosting is necessary to prevent heat exchange efficiency from decreasing due to frost blockage of the finned evaporator, which could lead to an increase in room temperature.
[0003] Currently, for compartments with high temperatures (e.g., above 0°C), such as refrigerators, forced air convection between the refrigerator compartment and the evaporator compartment can be achieved by running refrigeration fans when the refrigerator compartment stops cooling. The high-temperature air in the refrigerator compartment defrosts the frost layer on the evaporator; this process is called blower defrosting. For devices with multiple high-temperature compartments, such as wine cabinets, blower defrosting is used to defrost the evaporators in each compartment. This results in multiple fans operating simultaneously, along with the compressor, leading to significant overall noise from the refrigeration equipment. This negatively impacts the user experience and easily leads to customer complaints. Summary of the Invention
[0004] This application provides a refrigeration device, a control method for the refrigeration device, and a storage medium, which can be used to solve the problem of excessive overall noise in refrigeration devices caused by the operation of multiple fans in related technologies.
[0005] In a first aspect, embodiments of this application provide a refrigeration device, including:
[0006] The enclosure is equipped with multiple compartments;
[0007] The refrigeration system housed within the enclosure includes a compressor, a condenser, a bottom-cooled fan, multiple evaporators, and multiple cooling fans. The multiple evaporators are configured to provide cooling to the multiple compartments respectively. For any given cooling fan, the cooling fan is configured to create convection between the air on the surface of the evaporator corresponding to the cooling fan and the air inside the compartment corresponding to the cooling fan. The bottom-cooled fan is configured to cool the compressor. The compartments have different temperatures, and the compartment temperatures are above a frosting temperature, which is the temperature of the surface of the evaporator when frosting occurs.
[0008] The controller, which is electrically connected to the refrigeration system, is configured to:
[0009] When a defrosting requirement is detected for the evaporator corresponding to the target compartment, the current operating mode of the refrigeration system is determined, which is either refrigeration mode or non-refrigeration mode.
[0010] If the current operating mode is cooling mode, and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle;
[0011] If not, when the cooling of the target room ends, control the cooling fan corresponding to the target room to stop running, and control the cooling fan corresponding to the uncooled room in the current cooling cycle to run, so as to cool the uncooled room;
[0012] When the cooling of the uncooled room ends, the bottom cooling fan and the compressor are stopped, and the cooling fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends.
[0013] In this embodiment, when a defrosting requirement is detected for the evaporator corresponding to the target room, the current operating mode of the refrigeration system is determined. If the current operating mode is refrigeration mode, and the target room is the currently refrigerated room, it is determined whether the target room is the last room to be refrigerated in the current refrigeration cycle. If not, when the refrigeration of the target room ends, the refrigeration fan corresponding to the target room is controlled to stop running, and the refrigeration fan corresponding to the un-refrigerated room in the current refrigeration cycle is controlled to run, so as to refrigerate the un-refrigerated room. When the refrigeration of the un-refrigerated room ends, the bottom cooling fan and compressor are controlled to stop running, and the refrigeration fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends. This reduces noise and improves the user experience without affecting the defrosting of the evaporator in the target room.
[0014] In some embodiments of this application, the controller is further configured to:
[0015] If the target room is the last room to be refrigerated in the current refrigeration cycle, then when the refrigeration of the target room ends, the bottom cooling fan and the compressor are controlled to stop running, and the refrigeration fan corresponding to the target room continues to run until the target room stops refrigerating in the next refrigeration cycle.
[0016] In this embodiment, if the target room is the last refrigerated room, the compressor and bottom cooling fan can be stopped after the target room is refrigerated. The refrigeration fan corresponding to the target room is kept running until the target room stops refrigerating in the next refrigeration cycle. This avoids noise fluctuations during the process of the fan stopping - compressor starting - bottom cooling fan starting - the fan restarting, and reduces the fluctuation.
[0017] In some embodiments of this application, the controller is configured as follows:
[0018] If the current operating mode is non-cooling mode, then when the next cooling cycle starts, the compressor and the bottom cooling fan are controlled to run, and the cooling equipment is controlled to run the cooling fans corresponding to the rooms other than the target room in sequence, so as to cool the rooms other than the target room.
[0019] When the cooling of the rooms other than the target room ends, the cooling fan corresponding to the target room is controlled to run, so as to cool the target room.
[0020] When the cooling of the target compartment ends, the compressor and the bottom cooling fan are controlled to stop running, and the cooling fan of the target compartment is controlled to continue running until defrosting is completed.
[0021] In this embodiment, the noise fluctuation of the fan switching can be reduced without affecting the cooling of the target room or the defrosting of the evaporator in the target room, thereby reducing the probability of attracting the user's attention and improving the user experience.
[0022] In some embodiments of this application, the controller is further configured to:
[0023] During a cooling cycle, when the target room is cooled and the corresponding cooling fan is stopped, the cooling fan of the next room to be cooled is started synchronously to cool the target room.
[0024] In this embodiment, instead of controlling the fan of the next cooling room to start only after the fan of the target room has completely stopped, another fan is started simultaneously when the fan of the target room stops. This keeps the noise level relatively stable, reduces the probability of attracting user attention, and thus improves the user experience.
[0025] In some embodiments of this application, the refrigeration device further includes a plurality of temperature sensors, each disposed near one of the plurality of evaporators; the controller is electrically connected to each of the plurality of temperature sensors.
[0026] The controller is also configured to:
[0027] Obtain the temperature values measured by the multiple temperature sensors;
[0028] Based on multiple temperature values, determine whether the multiple evaporators require defrosting.
[0029] In this embodiment, the temperature sensor can monitor the temperature changes of the evaporator in real time and accurately determine the formation of frost. This allows the defrosting process to be initiated in a timely manner when the frost layer reaches a certain thickness, avoiding premature or delayed defrosting and improving the accuracy of defrosting.
[0030] In some embodiments of this application, the refrigeration system further includes a solenoid valve electrically connected to the controller; the solenoid valve is disposed between the condenser and the plurality of evaporators;
[0031] The controller is configured as follows:
[0032] When the refrigeration fan corresponding to the target room is stopped, the refrigerant is directed to the evaporator corresponding to the uncooled room via the solenoid valve.
[0033] In this embodiment, the flow of refrigerant can be controlled by a solenoid valve, thereby cooling the uncooled room.
[0034] In some embodiments of this application, if the number of uncooled rooms is multiple, the controller is configured to:
[0035] Determine the cooling sequence of multiple uncooled rooms based on their room temperatures;
[0036] According to the cooling sequence, the cooling fans corresponding to the multiple uncooled rooms are controlled to operate sequentially.
[0037] In this embodiment, the lower temperature compartment can be cooled first, and then the higher temperature compartment can be cooled. This can reduce the impact of temperature-sensitive foods stored in the low-temperature compartment on the temperature rise of the compartment.
[0038] In some embodiments of this application, the refrigeration device is a wine cabinet.
[0039] In this embodiment, noise reduction treatment is applied to the wine cabinet to improve the user experience.
[0040] Secondly, this application provides a control method for a refrigeration device, the refrigeration device comprising:
[0041] The enclosure is equipped with multiple compartments;
[0042] The refrigeration system housed within the enclosure includes a compressor, a condenser, a bottom-cooled fan, multiple evaporators, and multiple cooling fans. The multiple evaporators are configured to provide cooling to the multiple compartments respectively. For any given cooling fan, the cooling fan is configured to create convection between the air on the surface of the evaporator corresponding to the cooling fan and the air inside the compartment corresponding to the cooling fan. The bottom-cooled fan is configured to cool the compressor. The compartments have different temperatures, and the compartment temperatures are above a frosting temperature, which is the temperature of the surface of the evaporator when frosting occurs.
[0043] The method includes:
[0044] When a defrosting requirement is detected for the evaporator corresponding to the target compartment, the current operating mode of the refrigeration system is determined, which is either refrigeration mode or non-refrigeration mode.
[0045] If the current operating mode is cooling mode, and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle;
[0046] If not, when the cooling of the target room ends, control the cooling fan corresponding to the target room to stop running, and control the cooling fan corresponding to the uncooled room in the current cooling cycle to run, so as to cool the uncooled room;
[0047] When the cooling of the uncooled room ends, the bottom cooling fan and the compressor are stopped, and the cooling fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends.
[0048] In this embodiment, when a defrosting requirement is detected for the evaporator corresponding to the target room, the current operating mode of the refrigeration system is determined. If the current operating mode is refrigeration mode, and the target room is the currently refrigerated room, it is determined whether the target room is the last room to be refrigerated in the current refrigeration cycle. If not, when the refrigeration of the target room ends, the refrigeration fan corresponding to the target room is controlled to stop running, and the refrigeration fan corresponding to the un-refrigerated room in the current refrigeration cycle is controlled to run, so as to refrigerate the un-refrigerated room. When the refrigeration of the un-refrigerated room ends, the bottom cooling fan and compressor are controlled to stop running, and the refrigeration fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends. This reduces noise and improves the user experience without affecting the defrosting of the evaporator in the target room.
[0049] Thirdly, this application provides a computer-readable storage medium storing computer-executable instructions, which, when executed by a computer, are used to implement the method described in the second aspect.
[0050] The computer-readable storage medium provided in this application embodiment can execute the technical solutions in the above method embodiments, and its beneficial effects are similar, so they will not be described again here.
[0051] Fourthly, this application provides a computer program product, including a computer program that, when executed by a computer, is used to implement the method described in the second aspect.
[0052] The computer program product provided in this application embodiment can execute the technical solutions in the above method embodiments, and its beneficial effects are similar, so they will not be described again here. Attached Figure Description
[0053] To more clearly illustrate the implementation methods in the embodiments of this application or related technologies, the accompanying drawings used in the description of the embodiments or related technologies will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings.
[0054] Figure 1 This is a schematic diagram of a refrigeration device to which this application applies;
[0055] Figure 2 This is a schematic diagram of the structure of a refrigeration system 103 provided in an embodiment of this application;
[0056] Figure 3 This is a schematic diagram illustrating the refrigerant flow direction during cooling of the first compartment, as exemplified in this application.
[0057] Figure 4 This is a schematic diagram illustrating the refrigerant flow direction during the second compartment cooling process, as exemplified in this application.
[0058] Figure 5 A flowchart illustrating a control method for a refrigeration device provided in an embodiment of this application;
[0059] Figure 6 A flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application;
[0060] Figure 7 A flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application;
[0061] Figure 8 A flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application;
[0062] Figure 9This is a schematic diagram illustrating how the controller simultaneously stops the refrigeration fan corresponding to the target room and starts the refrigeration fan corresponding to the next room to be refrigerated.
[0063] Explanation of reference numerals in the attached figures:
[0064] 10 - Refrigerator; 101 - Cabinet;
[0065] 102 - Door body; 103 - Refrigeration system;
[0066] 31-Compressor; 32-Condenser;
[0067] 33-First evaporator; 34-Second evaporator;
[0068] 35-Dryer filter; 36-First capillary tube;
[0069] 37-Second capillary tube; 38-Solenoid valve. Detailed Implementation
[0070] To make the objectives, implementation methods and advantages of this application clearer, the exemplary implementation methods of this application will be clearly and completely described below with reference to the accompanying drawings of the exemplary embodiments of this application. Obviously, the described exemplary embodiments are only some embodiments of this application, and not all embodiments.
[0071] It should be noted that the brief descriptions of terms in this application are only for the convenience of understanding the embodiments described below, and are not intended to limit the embodiments of this application. Unless otherwise stated, these terms should be understood in their ordinary and common meaning.
[0072] Furthermore, the terms “comprising” and “having”, and any variations thereof, are intended to cover but not exclusively include, for example, a product or device that includes a series of components is not necessarily limited to those that are explicitly listed, but may include other components that are not explicitly listed or that are inherent to such product or device.
[0073] For refrigeration equipment with multiple high-temperature compartments, such as wine cabinets, defrosting is achieved by blowing air to defrost the evaporators in each compartment. This results in multiple fans working simultaneously, along with the compressor, leading to significant overall noise from the refrigeration equipment. This results in a poor user experience and is likely to cause user complaints.
[0074] For example, consider a refrigeration system comprising two compartments with higher temperatures. During a refrigeration cycle, the two compartments are refrigerated sequentially. When the first compartment is refrigerated in this cycle, its refrigeration fan and bottom-cooling fan are operating. If the evaporator in that compartment requires defrosting, its refrigeration fan will continue to operate for a period after the refrigeration cycle ends to blow air and defrost the compartment. Simultaneously, the refrigeration fan in the other compartment is also running during this time. In other words, during this period, three fans are operating simultaneously, along with the compressor, resulting in significant overall noise from the refrigeration system. This leads to a poor user experience and is likely to generate customer complaints.
[0075] Therefore, this application provides a refrigeration device that, when a defrosting requirement is detected in a target room during the current refrigeration cycle, and the target room is not the last room to be refrigerated during the current refrigeration cycle, can turn on the fan corresponding to the target room after all rooms have finished refrigerating, and blow air to defrost the evaporator corresponding to the target room. This reduces noise and improves the user experience without affecting the defrosting of the evaporator in the target room.
[0076] The technical solutions of this application will be described in detail below with reference to specific embodiments. The following specific embodiments can be combined with each other or exist independently. The same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will be described below with reference to the accompanying drawings.
[0077] First, the specific structure of a refrigeration device provided in the embodiments of this application will be described, for example, Figure 1 A schematic diagram of a refrigeration device provided in an embodiment of this application is shown below. Figure 1 As shown, the refrigeration equipment 10 includes a housing 101, a door 102, and multiple compartments disposed within the housing 101. Figure 1 Not shown in the image.
[0078] Understandable. Figure 1 This is a schematic diagram of a refrigeration device to which this application applies. It may also be a refrigeration device with other structures, and this application does not limit it.
[0079] In one possible implementation, the refrigeration device 10 can be a device with a high compartment temperature (e.g., 2°C to 20°C) such as a wine cabinet to meet the storage needs of different types of food (e.g., wine).
[0080] In one possible implementation, the refrigeration device 10 further includes a refrigeration system 103 and a controller. The refrigeration system 103 and the controller may be electrically connected. It is understood that the refrigeration device in the embodiments of this application may be a dual-system refrigeration device (i.e., two compartments each use different evaporators) or a triple-system refrigeration device (three compartments each use different evaporators), etc., and this application does not limit it in this way.
[0081] In one possible implementation, the refrigeration system includes a compressor, a condenser, a bottom-cooled fan, multiple evaporators, and multiple cooling fans. The multiple evaporators are configured to provide cooling capacity to multiple compartments respectively. For any given cooling fan, the cooling fan is configured to create convection between the air on the surface of the evaporator corresponding to the cooling fan and the air in the compartment corresponding to the cooling fan.
[0082] A bottom-cooled fan can be placed near the compressor and is configured to cool the compressor when it is operating.
[0083] The system features multiple compartments with varying temperatures, all of which are above the frosting temperature (the temperature of the evaporator surface when frosting occurs). This allows for defrosting of the corresponding evaporator by blowing air from the relatively warmer air within the compartment when it stops cooling.
[0084] For example, the multiple rooms include a first room and a second room. Figure 2 This is a schematic diagram of the structure of a refrigeration system 103 provided in an embodiment of this application, as shown below. Figure 2 As shown, the refrigeration system 103 includes a compressor 31, a condenser 32, a first evaporator 33, a second evaporator 34, a first refrigeration fan, and a second refrigeration fan. Figure 2 The first and second refrigeration fans are not shown in the diagram.
[0085] The compressor 31 is configured to provide power for the refrigeration of the refrigeration equipment 10.
[0086] The condenser 32 is configured to dissipate heat from the refrigerant from the compressor 31.
[0087] The first evaporator 33 is configured to provide cooling to the first compartment.
[0088] The second evaporator 34 is configured to provide cooling for the second compartment.
[0089] The first refrigeration fan is configured to create convection between the air on the surface of the first evaporator 33 and the air in the first room.
[0090] The second refrigeration fan is configured to create convection between the air on the surface of the second evaporator 34 and the air in the second room.
[0091] The compressor 31 is connected to the condenser 32, the first evaporator 33 and the second evaporator 34 respectively. During refrigeration, the refrigerant flowing out of the exhaust port of the compressor 31 flows to the condenser 32, and then flows through the condenser 32 to any one of the first evaporator 33 and the second evaporator 34. Finally, it flows through the air inlet of the compressor 31 back to the compressor 31, thus realizing the refrigeration cycle of the compartment corresponding to the evaporator.
[0092] In one possible implementation, such as Figure 2 As shown, the refrigeration system 103 also includes a dryer filter 35, a first capillary tube 36, a second capillary tube 37, and a solenoid valve 38. The two ends of the first capillary tube 36 and the second capillary tube 37 are respectively connected to the two outlets of the solenoid valve 38, and the two ends of the dryer filter 35 are respectively connected to the inlet of the solenoid valve 38 and the exhaust port of the condenser 32.
[0093] The dryer filter 35 is configured to filter impurities and absorb moisture from the refrigerant to prevent blockage of the subsequent first capillary tube 36 and second capillary tube 37, which would affect the operation of the refrigeration system 103.
[0094] In one possible implementation, if the temperature of the first compartment is lower than the temperature of the second compartment, within a refrigeration cycle, the refrigeration system 103 can first refrigerate the first compartment, and after the first compartment has finished refrigerating, it can then refrigerate the second compartment. This can reduce the impact of temperature-sensitive foods stored in the first compartment on the rise in compartment temperature.
[0095] In one possible implementation, since the temperature of each compartment of the refrigeration equipment 10 is relatively high (e.g., greater than or equal to 0°C), the order of cooling of the compartments can be unrestricted, and corresponding control can be achieved according to the noise reduction requirements.
[0096] Figure 3 This is a schematic diagram illustrating the refrigerant flow direction during cooling of the first compartment in this application example, as shown below. Figure 3As shown, when the first compartment is refrigerating, the controller can control the refrigerant from the condenser 32 to flow to the first capillary tube 36 via the solenoid valve 38, thereby entering the first evaporator 33. The low-temperature, low-pressure refrigerant is drawn into the compressor 31 and compressed into a high-temperature, high-pressure refrigerant in the cylinder of the compressor 31. Then it enters the condenser 32, where the high-temperature, high-pressure refrigerant gas dissipates heat and its temperature continuously decreases, gradually cooling into a normal-temperature, high-pressure saturated vapor. The normal-temperature, high-pressure saturated vapor in the condenser 32 enters the first capillary tube 36 through the solenoid valve 38 for throttling and pressure reduction, becoming a normal-temperature, low-pressure wet vapor. Subsequently, it enters the first evaporator 33 to absorb heat and vaporize, which not only lowers the temperature of the first evaporator 33 and its surroundings but also turns the refrigerant into a low-temperature, low-pressure gas. The refrigerant flowing out of the first evaporator 33 then enters the compressor 31 along the pipeline, completing the refrigeration cycle of the first compartment.
[0097] When the first compartment is being cooled, the first cooling fan is in operation, which can blow the cold air on the surface of the first evaporator 33 into the first compartment to achieve cooling for the first compartment.
[0098] Figure 4 This is a schematic diagram illustrating the refrigerant flow direction during the second compartment cooling process, as shown in the example of this application. Figure 4 As shown, when the first compartment's cooling cycle ends, the controller can control the refrigerant flow from the condenser 32 to the second capillary tube 37 via the solenoid valve 38, and thus to the second evaporator 34. During the second compartment's cooling cycle, the ambient temperature, high-pressure saturated vapor from the condenser 32 enters the second capillary tube 37 through the solenoid valve 38, where it is throttled and depressurized to become ambient temperature, low-pressure wet vapor. This vapor then enters the second evaporator 34 to absorb heat and vaporize, lowering the temperature of the second evaporator 34 and its surroundings, and transforming the refrigerant into a low-temperature, low-pressure gas. The refrigerant then flows out of the second evaporator 34 and re-enters the compressor 31 along the pipeline, completing the second compartment's cooling cycle.
[0099] When the second compartment is being cooled, the second cooling fan is in operation, which can blow the cold air from the surface of the second evaporator 34 into the second compartment to achieve cooling for the second compartment.
[0100] Figure 3 and Figure 4 The arrows in the diagram indicate the direction of refrigerant flow.
[0101] For example, the first refrigeration fan and the second refrigeration fan can be installed in the corresponding air duct. The embodiments of this application do not limit the position of the first refrigeration fan and the second refrigeration fan in the corresponding air duct.
[0102] When cooling or defrosting a certain compartment, the refrigeration fan installed in the air duct between the compartment and the evaporator cooling the compartment is turned on, so that the air on the surface of the evaporator corresponding to the refrigeration fan and the air in the compartment corresponding to the refrigeration fan can form convection to achieve cooling or defrosting.
[0103] For example, the correspondence between the evaporator, the refrigeration fan, and the compartments is shown in Table 1.
[0104] Table 1
[0105] room Evaporator Refrigeration fan First room First Evaporator First Refrigeration Fan Second room Second evaporator Second refrigeration fan
[0106] In one possible implementation, taking the first compartment as an example, if the first compartment requires defrosting, after the first compartment has finished cooling, the controller can control the refrigerant not to flow to the first evaporator 33 through the solenoid valve, that is, no refrigerant flows through the first evaporator 33. Then, the first refrigeration fan 35 forms convection between the air in the first compartment and the air on the surface of the first evaporator 33, so that the high temperature of the first air (relative to the temperature of the surface of the first evaporator 33) is blown to the surface of the first evaporator 33, which can realize the defrosting of the frost on the surface of the first evaporator 33.
[0107] In one possible implementation, both the first and second refrigeration fans include motors, fan blades, and fan covers, etc. The motor drives the fan blades to rotate, thereby achieving airflow.
[0108] In one possible implementation, the refrigeration equipment further includes multiple temperature sensors, each positioned near a plurality of evaporators, for detecting the surface temperature of the evaporators. The controller is electrically connected to each of the multiple temperature sensors.
[0109] The controller is also configured to acquire temperature values measured by multiple temperature sensors and determine whether multiple evaporators require defrosting based on these temperature values. For example, if the temperature value of a certain temperature sensor is less than a preset value, it can be determined that the evaporator corresponding to that temperature sensor requires defrosting.
[0110] In this embodiment, the temperature sensor can monitor the temperature changes of the evaporator in real time and accurately determine the formation of frost. This allows the defrosting process to be initiated in a timely manner when the frost layer reaches a certain thickness, avoiding premature or delayed defrosting and improving the accuracy of defrosting.
[0111] Based on the above-mentioned refrigeration equipment, the control method of the refrigeration equipment provided in the embodiments of this application will be described below.
[0112] Figure 5 This is a flowchart illustrating a control method for a refrigeration device provided in an embodiment of this application. This method can be executed by the controller of the aforementioned refrigeration device, such as... Figure 5As shown, the method includes the following steps.
[0113] S501. When a defrosting requirement is detected for the evaporator corresponding to the target compartment, the current operating mode of the refrigeration system is determined. The current operating mode is either refrigeration mode or non-refrigeration mode.
[0114] S502. If the current operating mode is cooling mode and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle.
[0115] If not, then execute S503.
[0116] If the current operating mode is cooling mode, the controller can determine whether the target room is the currently cooling room, that is, whether the room currently being cooled by the cooling system is the target room. For example, the controller can determine whether the currently cooling room is the target room based on the pipe connected by the solenoid valve. If the pipe connected by the solenoid valve is a pipe connected to the evaporator corresponding to the target room, then the target room can be determined to be the currently cooling room.
[0117] Since multiple compartments of the refrigeration equipment need to be refrigerated sequentially within a refrigeration cycle, if the target compartment is the currently refrigerated compartment, the controller can determine whether the target compartment is the last compartment to be refrigerated within the current refrigeration cycle. For example, the controller can determine whether there are any un-refrigerated compartments within the current refrigeration cycle after the target compartment has finished refrigerating. If not, the target compartment is the last compartment to be refrigerated within the current refrigeration cycle; if so, the target compartment is not the last compartment to be refrigerated within the current refrigeration cycle.
[0118] S503. When the cooling of the target room ends, control the cooling fan corresponding to the target room to stop running, and control the cooling fan corresponding to the uncooled room in the current cooling cycle to run, so as to cool the uncooled room.
[0119] If the target room is not the last room to be cooled in the current cooling cycle, when the cooling of the target room ends, the controller can control the cooling fan corresponding to the target room to stop running and control the cooling fan corresponding to the uncooled room to run, so as to cool the uncooled room.
[0120] Among them, uncooled rooms are those that are not cooled during the current cooling cycle.
[0121] In one possible implementation, the uncooled rooms are those with a temperature lower than the target room's temperature. That is, before the start of the current cooling cycle, if no defrosting requirement is detected in multiple rooms, the controller can cool each room sequentially in ascending order of temperature. Therefore, once the target room has finished cooling, the uncooled rooms in the current cooling cycle are those with a temperature lower than the target room's temperature.
[0122] For example, the above-mentioned room temperature can be the set temperature of the room.
[0123] In one possible implementation, when the refrigeration fan corresponding to the target room stops running, the controller can control the refrigerant flow to the evaporator corresponding to the uncooled room through a solenoid valve, thereby cooling the uncooled room.
[0124] In one possible implementation, the number of uncooled compartments can be one or more. For example, if the refrigeration equipment includes a first compartment and a second compartment, and the temperature of the first compartment is lower than the temperature of the second compartment, then if the target compartment is the first compartment, the uncooled compartment is the second compartment. If the refrigeration equipment includes a first compartment, a second compartment, and a third compartment, and the compartments are ordered as first compartment, second compartment, and third compartment according to their temperatures from lowest to highest, then if the target compartment is the first compartment, the uncooled compartments are the second and third compartments. If the target compartment is the second compartment, then the uncooled compartment is the third compartment.
[0125] S504. When the cooling of the uncooled room ends, control the bottom cooling fan and compressor to stop running, and control the cooling fan corresponding to the target room to blow air to the evaporator of the target room for defrosting until defrosting is completed.
[0126] When the cooling of the uncooled room ends, the controller can stop the bottom cooling fan and compressor, and control the cooling fan of the target room to run until the defrosting of the corresponding evaporator in the target room ends.
[0127] It is understandable that when the cooling of an uncooled room ends, the corresponding cooling fan stops running. At this time, the controller controls the bottom cooling fan and compressor to stop running. So, during the defrosting of the evaporator corresponding to the target room, only the cooling fan corresponding to the target room is running among the multiple cooling fans and the bottom cooling fan. That is, the number of fans running is reduced, thereby achieving noise reduction without affecting the defrosting of the evaporator in the target room.
[0128] In one possible implementation, if a defrosting requirement is detected in an uncooled room, the refrigeration fan corresponding to the target room can be controlled to run after the uncooled room has finished cooling. After defrosting the evaporator corresponding to the target room, the fan corresponding to the uncooled room can be controlled to run, thereby achieving defrosting by blowing air onto the evaporator corresponding to the cooled room.
[0129] In this embodiment, when a defrosting requirement is detected for the evaporator corresponding to the target room, the current operating mode of the refrigeration system is determined. If the current operating mode is refrigeration mode, and the target room is the currently refrigerated room, it is determined whether the target room is the last room to be refrigerated in the current refrigeration cycle. If not, when the refrigeration of the target room ends, the refrigeration fan corresponding to the target room is controlled to stop running, and the refrigeration fan corresponding to the un-refrigerated room in the current refrigeration cycle is controlled to run, so as to refrigerate the un-refrigerated room. When the refrigeration of the un-refrigerated room ends, the bottom cooling fan and compressor are controlled to stop running, and the refrigeration fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends. This reduces noise and improves the user experience without affecting the defrosting of the evaporator in the target room.
[0130] The following explains how the controller operates the refrigeration fans corresponding to multiple uncooled rooms when there are multiple uncooled rooms.
[0131] Figure 6 This is a flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application. This method can be executed by the controller of the aforementioned refrigeration device, such as... Figure 6 As shown, the method includes the following steps.
[0132] S601. Determine the cooling sequence of multiple uncooled rooms based on their room temperatures.
[0133] For example, the cooling sequence can be represented by the identifiers of multiple uncooled rooms sorted from smallest to largest by room temperature.
[0134] S602. According to the refrigeration sequence, control the operation of the refrigeration fans corresponding to multiple uncooled rooms in sequence.
[0135] It is understandable that when the controller sequentially controls the operation of the refrigeration fans corresponding to multiple uncooled rooms, it is necessary to control the flow of refrigerant through solenoid valves so that it flows to the corresponding evaporator. This will not be elaborated on here.
[0136] In this embodiment, the lower temperature compartment can be cooled first, and then the higher temperature compartment can be cooled. This can reduce the impact of temperature-sensitive foods stored in the low-temperature compartment on the temperature rise of the compartment.
[0137] The following describes another control method for a refrigeration device provided in an embodiment of this application. Specifically, it explains how the controller controls the operation of the refrigeration system when the target room is the last room to be refrigerated in the current refrigeration cycle.
[0138] Figure 7 This is a flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application. This method can be executed by the controller of the aforementioned refrigeration device, such as... Figure 7 As shown, the method includes the following steps.
[0139] S701. When a defrosting requirement is detected for the evaporator corresponding to the target compartment, determine the current operating mode of the refrigeration system.
[0140] S702. If the current operating mode is cooling mode and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle.
[0141] If so, then execute S703.
[0142] S703. When the cooling of the target room ends, control the bottom cooling fan and compressor to stop running, and keep the cooling fan corresponding to the target room running until the target room stops cooling in the next cooling cycle.
[0143] If the target room is the last room to be cooled in the current cooling cycle, then after the target room finishes cooling, the controller can stop the bottom cooling fan and compressor when the cooling cycle ends, causing the refrigeration system to enter non-cooling mode. The refrigeration fan corresponding to the target room will continue to run until the target room stops cooling in the next cooling cycle.
[0144] In other words, when the cooling of the target compartment ends, the corresponding cooling fan is not stopped but continues to run, thus providing airflow for defrosting the evaporator in the target compartment. It continues to run after defrosting until the target compartment completes cooling in the next cooling cycle. This avoids the noise fluctuations that occur when the cooling fan in the target compartment stops, the compressor starts, the bottom cooling fan starts, and the cooling fan in the target compartment restarts, reducing noise fluctuations and achieving noise reduction.
[0145] In this embodiment, if the target room is the last refrigerated room, the compressor and bottom cooling fan can be stopped after the target room is refrigerated. The refrigeration fan corresponding to the target room is kept running until the target room stops refrigerating in the next refrigeration cycle. This avoids noise fluctuations caused by the fan stopping, the compressor starting, the bottom cooling fan starting, and the fan starting again, thus reducing the fluctuation.
[0146] Figure 8 This is a flowchart illustrating another control method for a refrigeration device provided in an embodiment of this application. This method can be executed by the controller of the aforementioned refrigeration device, such as... Figure 8 The method includes the following steps.
[0147] S801. When a defrosting requirement is detected for the evaporator corresponding to the target compartment, determine the current operating mode of the refrigeration system.
[0148] S802. If the current operating mode is non-cooling mode, when the next cooling cycle starts, control the compressor and bottom cooling fan to run, and sequentially control the cooling fans of the rooms other than the target room to run, so as to cool the rooms other than the target room.
[0149] In one possible implementation, if the refrigeration equipment has three or more compartments, then when the next refrigeration cycle begins, the controller can control the compressor and bottom-cooling fan to operate, and sequentially control the refrigeration fans corresponding to the compartments other than the target compartment to operate. For example, the controller can control the refrigeration equipment to refrigerate each compartment sequentially according to their temperature, from lowest to highest, excluding the target compartment.
[0150] In one possible implementation, if the number of multiple compartments of the refrigeration equipment is two, if the multiple compartments of the refrigeration equipment include a first compartment and a second compartment, and if the target compartment is the first compartment, then the controller can control the refrigeration system to refrigerate the first compartment after the refrigeration system refrigerates the second compartment.
[0151] S803. When the cooling of a room other than the target room ends, control the operation of the cooling fan corresponding to the target room to cool the target room.
[0152] For example, when the cooling of a room other than the target room ends, the controller can control the refrigerant flow to the evaporator corresponding to the target room via a solenoid valve, and control the operation of the cooling fan corresponding to the target room.
[0153] S804. When the cooling of the target room ends, control the compressor and bottom cooling fan to stop running, and control the cooling fan of the target room to continue running until defrosting ends.
[0154] When the target room finishes cooling, the controller can stop the compressor and bottom cooling fan, and keep the cooling fan in the target room running until defrosting is complete. This means that the room requiring defrosting is designated as the last room to be cooled in the cooling cycle, reducing noise fluctuations caused by the cooling fan switching between shutting down when the target room stops cooling and starting up again during defrosting.
[0155] In other words, if the current operating mode is non-cooling mode, it means that the cooling equipment is in a non-cooling period. If a defrosting requirement is detected in the target room at this time, the target room can be cooled last after the next cooling cycle starts, which can reduce the noise fluctuation of the cooling fan in the target room during the shutdown and startup.
[0156] It is understandable that, compared to the temperature of the freezer compartment of a refrigerator (e.g., -20°C), the temperature of the multiple compartments of the refrigeration equipment that supports defrosting is relatively high. Therefore, even if the target compartment that needs defrosting is refrigerated last, the impact on the food stored in the target compartment is small and negligible.
[0157] In this embodiment, the noise fluctuation of the fan switching can be reduced without affecting the cooling of the target room or the defrosting of the evaporator in the target room, thereby reducing the probability of attracting the user's attention and improving the user experience.
[0158] In one possible implementation, during a cooling cycle, when the target room is cooled and the cooling fan corresponding to the target room is stopped, the cooling fan corresponding to the next room to be cooled is started synchronously, so that the room is cooled.
[0159] For example, Figure 9 This is a schematic diagram illustrating how a controller can simultaneously stop the refrigeration fan corresponding to the target room and start the refrigeration fan corresponding to the next room to be refrigerated. Figure 9 As shown, taking high and low levels as an example, at time t, the controller controls signal 1, which is used to control the cooling fan corresponding to the target room, to a low level, and controls signal 2, which is used to control the cooling fan corresponding to the next cooling room, to a high level.
[0160] In this embodiment, the fan for the next cooling room is turned on only after the fan for the target room has completely stopped. When the fan for the target room is turned off, another fan is turned on simultaneously, which keeps the noise level relatively stable, reduces the probability of attracting the user's attention, and thus improves the user experience.
[0161] This application also provides a computer-readable storage medium, which may include various media capable of storing program code, such as a USB flash drive, a portable hard drive, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk. Specifically, the computer-readable storage medium stores computer-executable instructions, which are executed by a computer to implement the technical solutions shown in the above-described method embodiments.
[0162] This application also provides a program product, which includes executable instructions stored in a readable storage medium. When the computer program is executed by a computer, the technical solution shown in the above method embodiments is executed. The specific implementation method and technical effect are similar, and will not be described again here.
[0163] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
[0164] For ease of explanation, the above description has been provided in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Various modifications and variations can be obtained based on the above teachings. The selection and description of the above embodiments are for the purpose of better explaining the principles and practical applications, thereby enabling those skilled in the art to better utilize the embodiments and various different variations of embodiments suitable for specific application considerations.
[0165] In this application, "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document indicates that the preceding and following related objects have an "or" relationship.
[0166] "At least one of the following" or similar expressions refer to any combination of these items, including any combination of single or multiple items. For example, at least one of a, b, or c can mean: a, b, c, a and b, a and c, b and c, or a, b, and c, where each of a, b, and c can be an element itself or a set containing one or more elements.
[0167] In this application, "at least one" means one or more. "More than one" means two or more. The descriptions of "first," "second," etc., appearing in the embodiments of this application are only for illustration and to distinguish the described objects, and have no order, nor do they indicate a special limitation on the number of devices in the embodiments of this application, and cannot constitute any limitation on the embodiments of this application. For example, "first threshold" and "second threshold" are only used to distinguish different thresholds, and do not indicate that the size, priority, or importance of these two thresholds are different.
[0168] In this application, terms such as "exemplary," "in some embodiments," and "in other embodiments" are used to indicate that something is an example, illustration, or description. Any embodiment or design described as "exemplary" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Rather, the term "exemplary" is used to present the concept in a specific manner.
[0169] In this application, the terms "of", "corresponding", "corresponding", and "related" may sometimes be used interchangeably. It should be noted that when the distinction is not emphasized, they have the same meaning.
[0170] In this application, "equal to" can be used with "less than" or "greater than", but not simultaneously with both. When "equal to" is used with "less than", it applies to the technical solution adopted by "less than". When "equal to" is used with "greater than", it applies to the technical solution adopted by "greater than".
Claims
1. A refrigeration device, characterized in that, include: The enclosure is equipped with multiple compartments; The refrigeration system housed within the enclosure includes a compressor, a condenser, a bottom-cooled fan, multiple evaporators, and multiple cooling fans. The multiple evaporators are configured to provide cooling to the multiple compartments respectively. For any given cooling fan, the cooling fan is configured to create convection between the air on the surface of the evaporator corresponding to the cooling fan and the air inside the compartment corresponding to the cooling fan. The bottom-cooled fan is configured to cool the compressor. The compartments have different temperatures, and the compartment temperatures are above a frosting temperature, which is the temperature of the surface of the evaporator when frosting occurs. The controller, which is electrically connected to the refrigeration system, is configured to: When a defrosting requirement is detected for the evaporator corresponding to the target compartment, the current operating mode of the refrigeration system is determined, which is either refrigeration mode or non-refrigeration mode. If the current operating mode is cooling mode, and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle; If not, when the cooling of the target room ends, control the cooling fan corresponding to the target room to stop running, and control the cooling fan corresponding to the uncooled room in the current cooling cycle to run, so as to cool the uncooled room; When the cooling of the uncooled room ends, the bottom cooling fan and the compressor are stopped, and the cooling fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends.
2. The refrigeration equipment according to claim 1, characterized in that, The controller is also configured to: If the target room is the last room to be refrigerated in the current refrigeration cycle, then when the refrigeration of the target room ends, the bottom cooling fan and the compressor are controlled to stop running, and the refrigeration fan corresponding to the target room continues to run until the target room stops refrigerating in the next refrigeration cycle.
3. The refrigeration equipment according to claim 1, characterized in that, The controller is configured as follows: If the current operating mode is non-cooling mode, then when the next cooling cycle starts, the compressor and the bottom cooling fan are controlled to run, and the cooling equipment is controlled to run the cooling fans corresponding to the rooms other than the target room in sequence, so as to cool the rooms other than the target room. When the cooling of the rooms other than the target room ends, the cooling fan corresponding to the target room is controlled to run, so as to cool the target room. When the cooling of the target compartment ends, the compressor and the bottom cooling fan are controlled to stop running, and the cooling fan of the target compartment is controlled to continue running until defrosting is completed.
4. The refrigeration equipment according to any one of claims 1-3, characterized in that, The controller is also configured to: During a cooling cycle, when the target room is cooled and the corresponding cooling fan is stopped, the cooling fan of the next room to be cooled is started synchronously to cool the target room.
5. The refrigeration equipment according to claim 1, characterized in that, The refrigeration equipment also includes multiple temperature sensors, which are respectively disposed near the multiple evaporators; the controller is electrically connected to each of the multiple temperature sensors. The controller is also configured to: Obtain the temperature values measured by the multiple temperature sensors; Based on multiple temperature values, determine whether the multiple evaporators require defrosting.
6. The refrigeration equipment according to claim 1, characterized in that, The refrigeration system also includes a solenoid valve, which is electrically connected to the controller; the solenoid valve is disposed between the condenser and the plurality of evaporators. The controller is configured as follows: When the refrigeration fan corresponding to the target room is stopped, the refrigerant is directed to the evaporator corresponding to the uncooled room via the solenoid valve.
7. The refrigeration equipment according to claim 1, characterized in that, If there are multiple uncooled rooms, the controller is configured as follows: Determine the cooling sequence of multiple uncooled rooms based on their room temperatures; According to the cooling sequence, the cooling fans corresponding to the multiple uncooled rooms are controlled to operate sequentially.
8. The refrigeration equipment according to claim 1, characterized in that, The refrigeration equipment is a wine cabinet.
9. A control method for a refrigeration device, characterized in that, The refrigeration equipment includes: The enclosure is equipped with multiple compartments; The refrigeration system housed within the enclosure includes a compressor, a condenser, a bottom-cooled fan, multiple evaporators, and multiple cooling fans. The multiple evaporators are configured to provide cooling to the multiple compartments respectively. For any given cooling fan, the cooling fan is configured to create convection between the air on the surface of the evaporator corresponding to the cooling fan and the air inside the compartment corresponding to the cooling fan. The bottom-cooled fan is configured to cool the compressor. The compartments have different temperatures, and the compartment temperatures are above a frosting temperature, which is the temperature of the surface of the evaporator when frosting occurs. The method includes: When a defrosting requirement is detected for the evaporator corresponding to the target compartment, the current operating mode of the refrigeration system is determined, which is either refrigeration mode or non-refrigeration mode. If the current operating mode is cooling mode, and the target room is the currently cooling room, determine whether the target room is the last room to be cooled in the current cooling cycle; If not, when the cooling of the target room ends, control the cooling fan corresponding to the target room to stop running, and control the cooling fan corresponding to the uncooled room in the current cooling cycle to run, so as to cool the uncooled room; When the cooling of the uncooled room ends, the bottom cooling fan and the compressor are stopped, and the cooling fan corresponding to the target room is controlled to run until the defrosting of the evaporator corresponding to the target room ends.
10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores computer-executable instructions that, when executed by a processor, implement the method of claim 9.