US20220011036A1 - Control method and device for refrigerator, and refrigerator - Google Patents

Control method and device for refrigerator, and refrigerator Download PDF

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Publication number
US20220011036A1
US20220011036A1 US17/296,175 US201817296175A US2022011036A1 US 20220011036 A1 US20220011036 A1 US 20220011036A1 US 201817296175 A US201817296175 A US 201817296175A US 2022011036 A1 US2022011036 A1 US 2022011036A1
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United States
Prior art keywords
compartment
currently
cooled
refrigerator
cooling
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Pending
Application number
US17/296,175
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English (en)
Inventor
Xueqiang TANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
Original Assignee
Hefei Hualing Co Ltd
Midea Group Co Ltd
Hefei Midea Refrigerator Co Ltd
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Filing date
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Application filed by Hefei Hualing Co Ltd, Midea Group Co Ltd, Hefei Midea Refrigerator Co Ltd filed Critical Hefei Hualing Co Ltd
Assigned to MIDEA GROUP CO., LTD., HEFEI MIDEA REFRIGERATOR CO., LTD., HEFEI HUALING CO., LTD. reassignment MIDEA GROUP CO., LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TANG, Xueqiang
Publication of US20220011036A1 publication Critical patent/US20220011036A1/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F25D11/022—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures with two or more evaporators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/01—Timing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2511—Evaporator distribution valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2104—Temperatures of an indoor room or compartment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements

Definitions

  • the present disclosure relates to the technical field of electrical appliances, in particular to a control method and device for a refrigerator, and the refrigerator.
  • Multi-system refrigerators are featured with multiple capillary tubes and one solenoid valve with “one-in-multiple-out”. After multiple outlet tubes of the solenoid valve are mutually connected with multiple capillary tubes, the corresponding relationship between the rotation angle of the valve body of the solenoid valve and the capillary tubes connected with the solenoid valve is preset by a program. When cooling is requested, the valve body of the solenoid valve operates according to a preset control rule, and the purpose of cooling each compartment can be achieved.
  • the present disclosure is intended to solve, at least to some extent, one of the technical problems in the related art.
  • the first object of the present disclosure is to propose a control method for a refrigerator. It is detected and confirmed that the compartment currently requesting cooling is not cooled after a first set time; a currently cooled compartment is determined; and currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling are interchanged so that the compartment currently requesting cooling is cooled. So, the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • the second object of the present disclosure is to propose a control device for a refrigerator.
  • the third object of the present disclosure is to propose a refrigerator.
  • the fourth object of the present disclosure is to propose an electronic apparatus.
  • the fifth object of the present disclosure is to propose a non-temporary computer-readable storage medium.
  • an embodiment of the first aspect of the present disclosure proposes a control method for a refrigerator.
  • the refrigerator includes at least two compartments, and the control method includes:
  • the refrigerator includes at least two compartments.
  • the control method for a refrigerator includes: firstly, acquiring a compartment currently requesting cooling; then detecting and confirming that the compartment currently requesting cooling is not cooled after a first set time, determining a currently cooled compartment, and interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • the compartment currently requesting cooling is cooled such that the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • control method for a refrigerator further includes: detecting and confirming that the compartment currently requesting cooling is cooled after the first set time, and keeping the currently set valve body rotation angles corresponding to the at least two compartments requesting cooling unchanged.
  • the refrigerator includes two compartments.
  • the control method for a refrigerator further includes: controlling a set compartment to request cooling, wherein the set compartment is any one of the two compartments; detecting and confirming that the set compartment is cooled after a second set time, and keeping currently set valve body rotation angles corresponding to the two compartments requesting cooling unchanged; and detecting and confirming that the set compartment is not cooled after the second set time, and sending out a refrigerator fault alerting signal.
  • the refrigerator includes at least three compartments.
  • the control method for a refrigerator further includes: interchanging for accumulated 1 time; and detecting and confirming that interchanging time is smaller than the interchanging time threshold value, controlling the currently cooled compartment to request cooling, and returning to a step of acquiring a compartment currently requesting cooling, wherein a difference between the number of the at least three compartments and the interchanging time threshold value is 1.
  • the control method for a refrigerator further includes: detecting and confirming that the interchanging time is equal to the interchanging time threshold value, and controlling the currently cooled compartment to request cooling; reacquiring a compartment currently requesting cooling; detecting and confirming that the compartment currently requesting cooling is cooled after a third set time, and keeping currently set valve body rotation angles corresponding to the at least three compartments requesting cooling unchanged; and detecting and confirming that the compartment currently requesting cooling is not cooled after the third set time, and sending out a refrigerator fault alerting signal.
  • the acquiring a compartment currently requesting cooling includes: each time after a compressor is started or each time after defrosting is finished, acquiring the compartment currently requesting cooling.
  • an embodiment of the second aspect of the present disclosure proposes a control device for a refrigerator.
  • the refrigerator includes at least two compartments, and the control device includes:
  • the refrigerator includes at least two compartments.
  • the control device for a refrigerator includes: firstly, acquiring a compartment currently requesting cooling, then detecting and confirming that the compartment currently requesting cooling is not cooled after a first set time, determining a currently cooled compartment, and interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • the compartment currently requesting cooling is cooled such that the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • the execution module is further configured to: detecting and confirming that the compartment currently requesting cooling is cooled after the first set time, keep the currently set valve body rotation angles corresponding to the at least two compartments requesting cooling unchanged.
  • the refrigerator includes two compartments
  • the execution module is further configured to: after interchanging the currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling, control a set compartment to request cooling, the set compartment being any one of the two compartments; detect and confirm that the set compartment is cooled after the second set time, keep the currently set valve body rotation angles corresponding to the two compartments requesting cooling unchanged; and detect and confirm that the set compartment is not cooled after the second set time, send out a refrigerator fault alerting signal.
  • the refrigerator includes at least three compartments
  • the execution module is further configured to: after the interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling, interchange for accumulated 1 time; and detect and confirm that interchanging time is smaller than an interchanging time threshold value, control the currently cooled compartment to request cooling, and trigger the acquisition module to re-execute the step of acquiring a compartment currently requesting cooling, wherein a difference between the number of the at least three compartments and the interchanging time threshold value is 1.
  • the execution module is further configured to: detect and confirm that the interchanging time is equal to the interchanging time threshold value, and control the currently cooled compartment to request cooling; reacquire a compartment currently requesting cooling; detect and confirm that the compartment currently requesting cooling is cooled after a third set time, and keep currently set valve body rotation angles corresponding to the at least three compartments requesting cooling unchanged; and detect and confirm that the compartment currently requesting cooling is not cooled after the third set time, and send out a refrigerator fault alerting signal.
  • the acquisition module is specifically configured to: each time after a compressor is started or each time after defrosting is finished, acquire a compartment currently requesting cooling.
  • an embodiment of the third aspect of the present disclosure proposes a refrigerator, including: the control device for a refrigerator according to the embodiment of the second aspect of the present disclosure.
  • an embodiment of the fourth aspect of the present disclosure proposes an electronic apparatus, including: a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the control method for a refrigerator according to the embodiment of the first aspect of the present disclosure when executing the program.
  • an embodiment of the fifth aspect of the present disclosure proposes a non-temporary computer-readable storage medium storing thereon a computer program which, when executed by the processor, implements the control method for a refrigerator according to the embodiment of the first aspect of the present disclosure.
  • FIG. 1 is a working principle diagram of a solenoid valve of a three-system refrigerator.
  • FIG. 2 is a flowchart of a control method for a refrigerator according to one embodiment of the present disclosure.
  • FIG. 3 is a flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • FIG. 4 is a detailed flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • FIG. 5 is a flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • FIG. 6 is a detailed flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • FIG. 7 is a structural view of a control device for a refrigerator according to one embodiment of the present disclosure.
  • FIG. 8 is a structural view of a refrigerator according to one embodiment of the present disclosure.
  • FIG. 9 is a structural view of an electronic apparatus according to one embodiment of the present disclosure.
  • FIG. 1 is a working principle diagram of a solenoid valve of a three-system refrigerator.
  • the solenoid valve of the three-system refrigerator is a “one-in-three-out” solenoid valve which includes three outlet tubes A, B, and C, and has three connection modes.
  • Three outlet tubes A, B, and C of the solenoid valve respectively correspond to three specific rotation angles of the solenoid valve; after the valve body of the solenoid valve rotates by a rotation angle corresponding to the A outlet tube, the A outlet tube is connected; after the solenoid valve body rotates by a rotation angle corresponding to the B outlet tube, the B outlet tube is connected; after the solenoid valve body rotates by a rotation angle corresponding to the C outlet tube, the C outlet tube is connected.
  • the capillary tubes corresponding to refrigerating, freezing and temperature changing are respectively connected with the three outlet tubes of the solenoid valve, then the connection mode and the rotation angles of the corresponding solenoid valves are written into a program. When the refrigerating, freezing, and temperature changing compartments request cooling, the program drives the valve body of the solenoid valve to rotate a corresponding rotation angle such that the capillary tubes corresponding to the compartment requesting cooling can be connected and cooling is realized.
  • FIG. 2 is a flowchart of a control method for a refrigerator according to one embodiment of the present disclosure, and as shown in FIG. 2 , the control method for a refrigerator includes the following steps.
  • the refrigerator includes at least two compartments, in which a compartment currently requesting cooling is acquired. Specifically, every time after a compressor is started or every time after defrosting is finished, the compartment currently requesting cooling is acquired such that the out-of-step of the solenoid valve caused by the loss of a control signal in the control process is avoided, and the abnormal cooling of the refrigerator is prevented.
  • the first set time can be preset, the first set time can be specifically 5 minutes (min), and after the first set time passes, whether the compartment currently requesting cooling is cooled or not is detected.
  • compartment temperature sensors can be respectively arranged in at least two compartments of the refrigerator, defrosting temperature sensors are respectively arranged at evaporator outlets of the at least two compartments of the refrigerator, the compartment temperature sensors and the defrosting temperature sensors can be connected with a refrigerator control system, and the refrigerator control system can acquire the compartment interior temperature collected by the compartment temperature sensors and the evaporator outlet temperature collected by the defrosting temperature sensors in real time.
  • step S 101 after acquiring the compartment currently requesting cooling, an initial compartment interior temperature Tj and an initial evaporator outlet temperature Th of the compartment currently requesting cooling are collected through a refrigerator control system.
  • compartment interior temperature Tj 1 and evaporator outlet temperature Th 1 currently requesting cooling after the first set time are collected through the refrigerator control system, and Tj is compared with Tj 1 , and Th is compared with Th 1 to determine whether the compartment currently requesting cooling is cooled or not.
  • Tj ⁇ Tj 1 and Th ⁇ Th 1 that is, the compartment interior temperature is equal to or greater than the initial compartment interior temperature after the first set time and the evaporator outlet temperature is equal to or greater than the initial evaporator outlet temperature after the first set time, it can be judged that the compartment currently requesting cooling is not cooled; if Tj>Tj 1 or Th>Th 1 , that is, the compartment interior temperature is less than the initial compartment interior temperature after the first set time and the evaporator outlet temperature is less than the initial evaporator outlet temperature after the first set time, it can be judged that the compartment currently requesting cooling is cooled.
  • the refrigerator includes two compartments, namely the refrigerator is a double-system refrigerator, the compartment which does not request cooling in the two compartments is currently cooled compartment; if the refrigerator includes at least three compartments, that is, the refrigerator is a three-system or more-system refrigerator, it is necessary to judge successively whether a compartment which does not request cooling among the at least three compartments is cooled in order to determine the currently cooled compartment.
  • the mode of detecting whether the compartment is cooled can specifically refer to the above description, which will not be described in detail herein.
  • control method for a refrigerator further includes: detecting and confirming that the compartment currently requesting cooling is cooled after the first set time, and keeping the currently set valve body rotation angles corresponding to the at least two compartments requesting cooling unchanged.
  • the capillary tube is correctly connected with the outlet tube of the solenoid valve at the moment, no adjustment is needed and the valve body rotation angles corresponding to the currently set at least two compartments requesting cooling are kept unchanged.
  • the refrigerator includes at least two compartments.
  • the control method for a refrigerator includes: firstly, acquiring a compartment currently requesting cooling; then detecting and confirming that the compartment currently requesting cooling is not cooled after a first set time, determining a currently cooled compartment, and interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • the compartment currently requesting cooling is cooled such that the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • FIG. 3 is a flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • the control method for a refrigerator may further include steps as follows.
  • the set compartment can be controlled by the refrigerator control system to request cooling, wherein the set compartment is any one of two compartments, that is, the set compartment can be a compartment currently requesting cooling or a compartment not currently requesting cooling.
  • the second set time can be preset, and the second set time can be specifically 5 min. After the second set time, whether the set compartment is cooled or not is detected, and the mode of detecting whether the compartment is cooled or not can specifically refer to the detailed description of step S 102 of the embodiment shown in FIG. 2 , which will not be described in detail herein.
  • FIG. 4 is a specific flowchart of a control method for a refrigerator according to another embodiment of the present disclosure, and as shown in FIG. 4 , the control method for a refrigerator may specifically include:
  • the refrigerator includes two compartments. Firstly, a set compartment is controlled to request cooling and the set compartment is any one of the two compartments. Then, after a second set time, detecting and confirming that the set compartment is cooled after the second set time, the currently set valve body rotation angles corresponding to the two compartments requesting cooling are kept unchanged; if detecting and confirming that the set compartment is not cooled after the second set time, a refrigerator fault alerting signal is sent out.
  • the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a double-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, fabrication costs are reduced and an alerting signal can be sent out when the refrigerator fails.
  • FIG. 5 is a flowchart of a control method for a refrigerator according to another embodiment of the present disclosure.
  • the refrigerator includes at least three compartments, that is, the refrigerator is a three-system or a more-system refrigerator
  • the control method for a refrigerator may further include steps as follows.
  • the interchanging time is accumulated 1 time, and the initial value of the interchanging time is 0.
  • the interchanging time threshold value can be preset with the difference between the number of at least three compartments and the interchanging time threshold value being possible to be 1. If detecting and confirming that the interchanging time is smaller than the interchanging time threshold value, the currently cooled compartment requesting cooling can be controlled by a refrigerator control system, and step S 101 of the embodiment shown in FIG. 2 is returned to enter a cycle. Until the currently cooled compartment is cooled, that is, the compartment currently requesting cooling and the currently cooled compartment are both cooled, the cycle is withdrawn from, and the currently set valve body rotation angles corresponding to the at least three compartments requesting cooling are kept unchanged.
  • control method for a refrigerator may further include steps as follows.
  • the refrigerator control system if detecting and confirming that the interchanging time is equal to the interchanging time threshold value, the currently cooled compartment can be controlled by the refrigerator control system to request cooling.
  • the compartment currently requesting cooling is reacquired.
  • the third set time can be preset, and the third set time can be specifically 5 min.
  • whether the compartment currently requesting cooling, which is reacquired in step S 404 , is cooled or not is detected, and the mode of detecting whether the compartment is cooled or not can specifically refer to the detailed description of S 102 of the embodiment shown in FIG. 2 , which will not be described in detail herein. If detecting and confirming that the compartment currently requesting cooling after the third set time is cooled, it can be judged that the two compartments interchanging the valve body rotation angles are both cooled, and the currently set valve body rotation angles corresponding to at least three compartments requesting cooling are kept unchanged.
  • the refrigerator may have a fault, and a refrigerator fault alerting signal is sent out.
  • FIG. 6 is a specific flowchart of a control method for a refrigerator according to another embodiment of the present disclosure, and as shown in FIG. 6 , the control method for a refrigerator may specifically include:
  • the refrigerator includes at least three compartments.
  • the control method for a refrigerator includes: firstly, controlling a set compartment to request cooling; then detecting and confirming that the compartment currently requesting cooling is not cooled after a first set time, determining a currently cooled compartment, and interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • FIG. 7 is a structural view of a control device for a refrigerator according to one embodiment of the present disclosure, the refrigerator including at least two compartments, and as shown in FIG. 7 , the control device includes:
  • the refrigerator includes at least two compartments
  • the control device includes: firstly, acquiring a compartment currently requesting cooling, detecting and confirming that the compartment currently requesting cooling is not cooled after a first set time, determining a currently cooled compartment, and interchanging currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • the compartment currently requesting cooling is cooled such that the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • the execution module 22 is further configured to: detect and confirm that the compartment currently requesting cooling is cooled after the first set time, and keep the currently set valve body rotation angles corresponding to the at least two compartments requesting cooling unchanged.
  • the refrigerator includes two compartments
  • the execution module 22 is further configured to: after interchanging the currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling, control a set compartment to request cooling, the set compartment being any one of two compartments; detect and confirm that the set compartment is cooled after the second set time, keep the currently set valve body rotation angles corresponding to the two compartments requesting cooling unchanged; and detect and confirm that the set compartment is not cooled after the second set time, send out a refrigerator fault alerting signal.
  • the refrigerator includes at least three compartments
  • the execution module 22 is further configured to: after interchanging the currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling, interchange for accumulated 1 time; detecting and confirming that the interchanging time is smaller than the interchanging time threshold value, control the currently cooled compartment to request cooling, and trigger the acquisition module 21 to re-execute the step of acquiring the compartment currently requesting cooling, the difference between the number of at least three compartments and the interchanging time threshold value being 1.
  • the execution module 22 is further configured to: detect and confirm that the interchanging time is equal to the interchanging time threshold value, control the currently cooled compartment to request cooling; reacquire a compartment currently requesting cooling; detect and confirm that the compartment currently requesting cooling is cooled after a third set time, keep the currently set valve body rotation angles corresponding to the at least three compartments requesting cooling unchanged; and detect and confirm that the compartment currently requesting cooling is not cooled after the third set time, send out a refrigerator fault alerting signal.
  • the acquisition module 21 is specifically configured to: each time after the compressor is started or each time after defrosting is finished, acquire a compartment currently requesting cooling.
  • the refrigerator includes at least two compartments.
  • the control device for a refrigerator includes: an acquisition module 21 configured to acquire a compartment currently requesting cooling, and an execution module 22 configured to detect and confirm that the compartment currently requesting cooling is not cooled after a first set time, determine a currently cooled compartment, and interchange currently set valve body rotation angles corresponding to the compartment currently requesting cooling and the currently cooled compartment requesting cooling.
  • the compartment currently requesting cooling is cooled such that the problem in which a refrigerator cannot be cooled normally due to a connection error between the capillary tube and a solenoid valve during the production of a multi-system refrigerator may be solved, the refrigerator repair rate is reduced, the refrigerator production efficiency is improved, and fabrication costs are reduced.
  • the embodiment of the present disclosure also provides a refrigerator 30 , which is shown in FIG. 8 and includes: a control device 31 of the refrigerator shown in the above embodiment.
  • the embodiment of the present disclosure also proposes an electronic apparatus 40 , as shown in FIG. 9 , including a memory 41 and a processor 42 .
  • the memory 41 stores thereon a computer program executable on the processor 42 .
  • the processor 42 executes the program to implement the control method for a refrigerator as shown in the above-described embodiment.
  • the embodiment of the present disclosure also proposes a non-temporary computer-readable storage medium storing thereon a computer program which, when executed by the processor, implements the control method for a refrigerator as shown in the above-described embodiment.

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  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
US17/296,175 2018-12-28 2018-12-28 Control method and device for refrigerator, and refrigerator Pending US20220011036A1 (en)

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PCT/CN2018/124968 WO2020133244A1 (zh) 2018-12-28 2018-12-28 冰箱的控制方法、装置及冰箱

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Citations (2)

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