CN113915937A - Refrigerator and control method thereof - Google Patents

Refrigerator and control method thereof Download PDF

Info

Publication number
CN113915937A
CN113915937A CN202110136665.5A CN202110136665A CN113915937A CN 113915937 A CN113915937 A CN 113915937A CN 202110136665 A CN202110136665 A CN 202110136665A CN 113915937 A CN113915937 A CN 113915937A
Authority
CN
China
Prior art keywords
radio frequency
heat dissipation
output signal
refrigerator
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110136665.5A
Other languages
Chinese (zh)
Other versions
CN113915937B (en
Inventor
赵强
段跃斌
李秀军
侯同尧
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.)
Hisense Shandong Refrigerator Co Ltd
Original Assignee
Hisense Shandong Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Shandong Refrigerator Co Ltd filed Critical Hisense Shandong Refrigerator Co Ltd
Publication of CN113915937A publication Critical patent/CN113915937A/en
Application granted granted Critical
Publication of CN113915937B publication Critical patent/CN113915937B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36—Freezing; Subsequent thawing; Cooling
    • A23L3/365—Thawing subsequent to freezing
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • 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
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/005—Mounting of control devices
    • 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
    • F25D2600/00—Control issues
    • F25D2600/06—Controlling according to a predetermined profile
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/14—Sensors measuring the temperature outside the refrigerator or freezer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/963—Off-grid food refrigeration
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Nutrition Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Electric Ovens (AREA)
  • Transmitters (AREA)

Abstract

The invention discloses a refrigerator, comprising: the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal; an exhaust port temperature sensor for detecting an exhaust temperature of an exhaust port of the refrigerator; an intake port temperature sensor for detecting an intake air temperature of an intake port of the refrigerator; the controller is configured to: calculating the heat dissipation capacity of the radio frequency thawing system during working according to the exhaust temperature and the intake temperature; and controlling the radio frequency unfreezing system to adjust the radio frequency output signal of the radio frequency unfreezing system according to the heat dissipation capacity and a preset heat dissipation threshold value. The invention also discloses a refrigerator control method. By adopting the embodiment of the invention, the working state of the radio frequency thawing system can be effectively controlled according to the heat dissipation capacity of the radio frequency thawing system, and the influence on the normal work of the refrigerator caused by overlarge heat dissipation capacity is avoided.

Description

Refrigerator and control method thereof
Technical Field
The invention relates to the technical field of refrigerators, in particular to a refrigerator and a control method thereof.
Background
In recent years, with the rapid development of eating habits and life rhythms, in consumer demand research in the household appliance industry, the market demand for fast thawing of frozen foods is more and more strong, and a refrigerator is used as a direct medium for storing and freezing food materials, so that a user expects a thawing function. The radio frequency thawing system can accelerate thawing speed, but in practical application, after the radio frequency thawing starts working, the heat dissipation of the radio frequency module needs to be balanced by a heat dissipation system in the refrigerator, and the problem existing in the prior art is that: because the radio frequency module is limited by the working efficiency of the radio frequency module at present, the heat dissipation capacity of the radio frequency tuning module is large, and the normal work of the refrigerator can be seriously influenced when the heat is dissipated in the refrigerator.
Disclosure of Invention
The embodiment of the invention aims to provide a refrigerator and a control method thereof, which can effectively control the working state of a radio frequency thawing system according to the heat dissipation capacity of the radio frequency thawing system and avoid the influence on the normal work of the refrigerator caused by overlarge heat dissipation capacity.
To achieve the above object, an embodiment of the present invention provides a refrigerator, including:
the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal;
an exhaust port temperature sensor for detecting an exhaust temperature of an exhaust port of the refrigerator;
an intake port temperature sensor for detecting an intake air temperature of an intake port of the refrigerator;
the controller is configured to:
calculating the heat dissipation capacity of the radio frequency thawing system during working according to the exhaust temperature and the intake temperature;
and controlling the radio frequency unfreezing system to adjust the radio frequency output signal of the radio frequency unfreezing system according to the heat dissipation capacity and a preset heat dissipation threshold value.
As an improvement of the above scheme, the heat dissipation threshold includes a first heat dissipation threshold and a second heat dissipation threshold, and the first heat dissipation threshold is smaller than the second heat dissipation threshold; then, the controlling the rf thawing system to adjust its rf output signal according to the heat dissipation amount and a preset heat dissipation threshold includes:
when the heat dissipation capacity is smaller than or equal to the first heat dissipation threshold value, controlling the radio frequency unfreezing system to stop working;
when the heat dissipation capacity is larger than the first heat dissipation threshold and smaller than the second heat dissipation threshold, controlling the radio frequency unfreezing system to dynamically adjust the radio frequency output signal of the radio frequency unfreezing system according to a preset radio frequency output signal adjustment strategy;
and when the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, controlling the radio frequency unfreezing system to reduce the radio frequency output signal of the radio frequency unfreezing system to a preset radio frequency output signal threshold value.
As an improvement of the above solution, the calculating the heat dissipation amount of the rf thawing system during operation according to the exhaust temperature and the intake temperature includes:
calculating a temperature difference between the exhaust temperature and the intake temperature;
and performing integral calculation on the temperature difference to obtain the heat dissipation capacity of the radio frequency thawing system during working.
As an improvement of the above scheme, the radio frequency output signal adjustment strategy satisfies the following formula:
Pt＝k*(Pr-Q)；
wherein, Pt represents the adjusted radio frequency output signal, Pr represents the radio frequency output signal currently output by the radio frequency thawing system, k is a preset coefficient, and Q is the heat dissipation capacity.
As an improvement of the above, when the heat dissipation amount is greater than or equal to the second heat dissipation threshold, the controller is further configured to:
acquiring the cumulative times that the heat dissipation capacity is greater than or equal to the second heat dissipation threshold;
and when the accumulated times are greater than a preset time threshold value, controlling the radio frequency unfreezing system to stop working.
As an improvement of the above, the controller is further configured to:
and acquiring food material information of the food material to be unfrozen, and controlling the radio frequency unfreezing system to output an initial radio frequency output signal according to the food material information.
As an improvement of the above scheme, the food material information includes at least one of a kind, a quality and an initial temperature of the food material to be thawed.
In order to achieve the above object, an embodiment of the present invention further provides a refrigerator control method, including:
acquiring the exhaust temperature of an exhaust port and the intake temperature of an intake port of the refrigerator;
calculating the heat dissipation capacity of a radio frequency defrosting system of the refrigerator in working according to the exhaust temperature and the intake temperature; the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal;
and controlling the radio frequency unfreezing system to adjust the radio frequency output signal of the radio frequency unfreezing system according to the heat dissipation capacity and a preset heat dissipation threshold value.
As an improvement of the above scheme, the heat dissipation threshold includes a first heat dissipation threshold and a second heat dissipation threshold, and the first heat dissipation threshold is smaller than the second heat dissipation threshold; then, the controlling the rf thawing system to adjust its rf output signal according to the heat dissipation amount and a preset heat dissipation threshold includes:
when the heat dissipation capacity is smaller than or equal to the first heat dissipation threshold value, controlling the radio frequency unfreezing system to stop working;
when the heat dissipation capacity is larger than the first heat dissipation threshold and smaller than the second heat dissipation threshold, controlling the radio frequency unfreezing system to dynamically adjust the radio frequency output signal of the radio frequency unfreezing system according to a preset radio frequency output signal adjustment strategy;
and when the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, controlling the radio frequency unfreezing system to reduce the radio frequency output signal of the radio frequency unfreezing system to a preset radio frequency output signal threshold value.
As an improvement of the above solution, the calculating of the heat dissipation amount of the radio frequency defrosting system of the refrigerator in operation according to the exhaust temperature and the intake temperature includes:
calculating a temperature difference between the exhaust temperature and the intake temperature;
and performing integral calculation on the temperature difference to obtain the heat dissipation capacity of the radio frequency thawing system during working.
Compared with the prior art, the refrigerator and the control method thereof in the embodiment of the invention have the advantages that the radio frequency output signal is output by the radio frequency unfreezing system to unfreeze the food material to be unfrozen, the exhaust temperature and the intake temperature are obtained in the unfreezing process, the heat dissipation capacity of the radio frequency unfreezing system in the working process is calculated according to the exhaust temperature and the intake temperature, and the radio frequency output signal of the radio frequency unfreezing system is controlled to be adjusted according to the heat dissipation capacity and the preset heat dissipation threshold value. In the thawing process, the radio frequency output signal of the radio frequency thawing system is adjusted in real time by calculating the heat dissipation capacity of the radio frequency thawing system, so that the working state of the radio frequency thawing system can be effectively controlled according to the heat dissipation capacity of the radio frequency thawing system, and the normal work of the refrigerator is prevented from being influenced due to overlarge heat dissipation capacity.
Drawings
Fig. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present invention;
fig. 2 is a flowchart of a refrigerator control method according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a refrigerator 100 according to an embodiment of the present invention, where the refrigerator 100 includes:
the radio frequency unfreezing system 10 is used for unfreezing the food material to be unfrozen by outputting a radio frequency output signal;
an exhaust port temperature sensor 20 for detecting an exhaust temperature of an exhaust port of the refrigerator;
an intake port temperature sensor 30 for detecting an intake air temperature of an intake port of the refrigerator;
the controller 40 is configured to:
calculating the heat dissipation capacity of the radio frequency thawing system 10 in operation according to the exhaust temperature and the intake temperature;
and controlling the radio frequency unfreezing system 10 to adjust the radio frequency output signal according to the heat dissipation capacity and a preset heat dissipation threshold value.
It is worth to say that the radio frequency thawing system 10 includes a thawing chamber, a signal source output module, a power amplifier and a tuner; the signal source output module outputs a radio frequency output signal with fixed frequency to the food material to be thawed; the power amplifier is used for amplifying the radio frequency output signal, and the tuner is used for detecting a reflected signal reflected by the food material to be unfrozen after receiving the radio frequency output signal.
Specifically, the signal source output module is a source for generating a radio frequency output signal, and is capable of outputting a radio frequency output signal with a fixed frequency, and the radio frequency output signal is amplified step by a power amplifier and then output to a load (i.e., the food material placed in the thawing cavity). The tuner is used for matching the impedance of the load and the power amplifier, and the power is output to the load as much as possible through automatic impedance matching, so that the power reflection in the system is prevented. The tuner comprises a power detection circuit and an impedance matching circuit, can detect a reflected signal reflected by a load end in real time and transmit information to the controller 40, and the controller 40 can adjust the impedance matching circuit and the output frequency according to a detection result, so that stable transmission of radio frequency power is ensured.
Specifically, the outlet temperature sensor 20 is installed in an outlet of the refrigerator 100, and the inlet temperature sensor 30 is installed in an inlet of the refrigerator 100.
Specifically, the controller 40 first calculates a temperature difference between the exhaust temperature and the intake temperature, and then performs an integral calculation on the temperature difference to obtain a heat dissipation amount of the radio frequency thawing system 10 during operation, where the heat dissipation amount satisfies the following formula:
Figure BDA0002927216730000051
wherein Q is the heat dissipation capacity; c is a coefficient which can be preset; Δ T is an absolute value of a temperature difference between the intake air temperature and the exhaust gas temperature; t0 is at any time; t is a cycle time, which represents the integration of the heat dissipation over one cycle time.
Specifically, the heat dissipation threshold includes a first heat dissipation threshold Qmin and a second heat dissipation threshold Qmax, where the first heat dissipation threshold is smaller than the second heat dissipation threshold, that is, the following are satisfied: qmin < Qmax; then, the controlling the rf thawing system 10 to adjust the rf output signal according to the heat dissipation amount and the preset heat dissipation threshold includes:
when the heat dissipation amount is less than or equal to the first heat dissipation threshold value, the following conditions are satisfied: q is less than or equal to Qmin, and the radio frequency unfreezing system 10 is controlled to stop working; this indicates that the rf thawing system 10 is malfunctioning;
when the heat dissipation capacity is greater than the first heat dissipation threshold and less than the second heat dissipation threshold, the following conditions are satisfied: qmin < Q < Qmax, and controlling the radio frequency unfreezing system 10 to dynamically adjust the radio frequency output signal according to a preset radio frequency output signal adjustment strategy;
when the heat dissipation amount is greater than or equal to the second heat dissipation threshold value, the following conditions are satisfied: and Q is more than or equal to Qmax, and the radio frequency unfreezing system 10 is controlled to reduce the radio frequency output signal to a preset radio frequency output signal threshold value.
For example, the rf output signal threshold may be preset according to the historical operating state of the rf thawing system 10, which is not limited in the present invention. The radio frequency output signal adjustment strategy satisfies the following formula:
Pt＝k*(Pr-Q)；
wherein Pt represents the adjusted rf output signal, Pr represents the rf output signal currently output by the rf thawing system 10, k is a preset coefficient, and Q is the heat dissipation amount.
In the embodiment of the invention, the working condition of the radio frequency thawing system 10 is determined according to the heat dissipation capacity of the radio frequency thawing system 10, the output power of the radio frequency thawing system 10 can be reflected in real time, the heat dissipation capacity of the radio frequency thawing system 10 is further reduced by adjusting the radio frequency output signal output by the radio frequency thawing system, and the influence on the normal operation of the refrigerator caused by overlarge heat dissipation capacity is avoided.
Further, when the heat dissipation amount is greater than or equal to the second heat dissipation threshold, the controller 40 is further configured to:
acquiring the cumulative times that the heat dissipation capacity is greater than or equal to the second heat dissipation threshold;
and when the accumulated times are greater than a preset time threshold value, controlling the radio frequency unfreezing system 10 to stop working.
Specifically, the controller 40 determines whether the heat dissipation amount is greater than or equal to the second heat dissipation threshold at regular time, and when it is continuously determined that the heat dissipation amount is greater than or equal to the second heat dissipation threshold for too many times, it indicates that the heat dissipation amount of the radio frequency thawing system 10 still cannot be reduced after the radio frequency output signal output by the radio frequency thawing system 10 is reduced, and at this time, it indicates that the radio frequency thawing system 10 has failed and needs to be shut down.
In the embodiment of the present invention, whether the radio frequency thawing system 10 has a fault is determined by determining the cumulative number of times that the heat dissipation amount is greater than or equal to the second heat dissipation threshold, so that the health state of the radio frequency thawing system 10 can be monitored in time, and whether the radio frequency thawing system 10 has a fault can be found in time.
Further, the controller 40 is further configured to:
and acquiring food material information of the food material to be unfrozen, and controlling the radio frequency unfreezing system 10 to output an initial radio frequency output signal according to the food material information.
Specifically, the food material information includes at least one of a kind, a quality and an initial temperature of the food material to be thawed. The refrigerator 100 is provided with a touch display screen, a user can identify and manage the food materials in the refrigerator through radio frequency identification, video identification, manual input, voice input and the like, when the user takes out the food materials from the freezing area of the refrigerator and puts the food materials into the thawing chamber, the corresponding food material information is updated into the controller 40, and the food material information can be confirmed through tag identification, language input and the like. When the controller 40 obtains the food material information, an initial rf output signal corresponding to the food material information may be extracted by looking up a table in a database according to factors such as the type, quality, and initial temperature state of the food material, so as to control the rf thawing system 10 to output the initial rf output signal.
Compared with the prior art, in the refrigerator 100 according to the embodiment of the present invention, the radio frequency thawing system 10 outputs the radio frequency output signal to thaw food materials to be thawed, and in a thawing process, the exhaust temperature and the intake temperature are obtained, and the heat dissipation amount of the radio frequency thawing system 10 during operation is calculated according to the exhaust temperature and the intake temperature, so as to control the radio frequency thawing system 10 to adjust the radio frequency output signal according to the heat dissipation amount and a preset heat dissipation threshold value. In the thawing process, the radio frequency output signal of the radio frequency thawing system 10 is adjusted in real time by calculating the heat dissipation capacity of the radio frequency thawing system 10, so that the working state of the radio frequency thawing system 10 can be effectively controlled according to the heat dissipation capacity of the radio frequency thawing system 10, and the influence on the normal work of the refrigerator caused by overlarge heat dissipation capacity is avoided.
Referring to fig. 2, fig. 2 is a flowchart of a refrigerator control method according to an embodiment of the present invention, where the refrigerator control method includes:
s1, acquiring the exhaust temperature of an exhaust port and the intake temperature of an intake port of the refrigerator;
s2, calculating the heat dissipation capacity of the radio frequency defrosting system of the refrigerator in working according to the exhaust temperature and the intake temperature; the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal;
and S3, controlling the radio frequency unfreezing system to adjust the radio frequency output signal according to the heat dissipation capacity and a preset heat dissipation threshold value.
It is worth to be noted that the refrigerator control method according to the embodiment of the present invention is implemented by a controller in the refrigerator, wherein the controller is respectively connected to the radio frequency thawing system, the exhaust port temperature sensor and the air inlet temperature sensor; the radio frequency thawing system is used for thawing food materials to be thawed by outputting a radio frequency output signal, the exhaust port temperature sensor is used for detecting the exhaust temperature of an exhaust port of the refrigerator, and the air inlet temperature sensor is used for detecting the air inlet temperature of an air inlet of the refrigerator. The outlet temperature sensor is installed in an outlet of the refrigerator, and the inlet temperature sensor is installed in an inlet of the refrigerator.
The radio frequency unfreezing system comprises an unfreezing cavity, a signal source output module, a power amplifier and a tuner; the signal source output module outputs a radio frequency output signal with fixed frequency to the food material to be thawed; the power amplifier is used for amplifying the radio frequency output signal, and the tuner is used for detecting a reflected signal reflected by the food material to be unfrozen after receiving the radio frequency output signal.
Specifically, the signal source output module is a source for generating a radio frequency output signal, and is capable of outputting a radio frequency output signal with a fixed frequency, and the radio frequency output signal is amplified step by a power amplifier and then output to a load (i.e., the food material placed in the thawing cavity). The tuner is used for matching the impedance of the load and the power amplifier, and the power is output to the load as much as possible through automatic impedance matching, so that the power reflection in the system is prevented. The tuner comprises a power detection circuit and an impedance matching circuit, can detect a reflected signal reflected by a load end in real time and transmit information to the controller, and the controller can adjust the impedance matching circuit and the output frequency according to a detection result, so that stable transmission of radio frequency power is guaranteed.
Specifically, step S2 specifically includes:
s21, calculating the temperature difference between the exhaust temperature and the intake temperature;
s22, performing integral calculation on the temperature difference to obtain the heat dissipation capacity of the radio frequency thawing system during working; wherein the heat dissipation amount satisfies the following formula:
Figure BDA0002927216730000091
wherein Q is the heat dissipation capacity; c is a coefficient which can be preset; Δ T is an absolute value of a temperature difference between the intake air temperature and the exhaust gas temperature; t0 is at any time; t is a cycle time, which represents the integration of the heat dissipation over one cycle time.
Specifically, the heat dissipation threshold includes a first heat dissipation threshold Qmin and a second heat dissipation threshold Qmax, where the first heat dissipation threshold is smaller than the second heat dissipation threshold, that is, the following are satisfied: qmin < Qmax; then, step S3 specifically includes:
s31, when the heat dissipation amount is less than or equal to the first heat dissipation threshold value, the following conditions are satisfied: q is less than or equal to Qmin, and the radio frequency thawing system is controlled to stop working; at the moment, the radio frequency thawing system is indicated to be in fault;
s32, when the heat dissipation capacity is larger than the first heat dissipation threshold and smaller than the second heat dissipation threshold, the following conditions are satisfied: qmin < Q < Qmax, and controlling the radio frequency unfreezing system to dynamically adjust the radio frequency output signal according to a preset radio frequency output signal adjustment strategy;
s33, when the heat dissipation amount is larger than or equal to the second heat dissipation threshold value, the following conditions are satisfied: and Q is more than or equal to Qmax, and the radio frequency unfreezing system is controlled to reduce the radio frequency output signal to a preset radio frequency output signal threshold value.
For example, the threshold of the rf output signal may be preset according to a historical operating state of the rf thawing system, which is not limited in the present invention. The radio frequency output signal adjustment strategy satisfies the following formula:
Pt＝k*(Pr-Q)；
wherein, Pt represents the adjusted radio frequency output signal, Pr represents the radio frequency output signal currently output by the radio frequency thawing system, k is a preset coefficient, and Q is the heat dissipation capacity.
In the embodiment of the invention, the working condition of the radio frequency thawing system is determined according to the heat dissipation capacity of the radio frequency thawing system, the output power of the radio frequency thawing system can be reflected in real time, the heat dissipation capacity of the radio frequency thawing system is reduced by adjusting the radio frequency output signal output by the radio frequency thawing system, and the influence on the normal work of the refrigerator caused by overlarge heat dissipation capacity is avoided.
Further, when the heat dissipation amount is greater than or equal to the second heat dissipation threshold, the method further includes the steps of:
s34, acquiring the cumulative times that the heat dissipation amount is greater than or equal to the second heat dissipation threshold;
and S35, when the accumulated times is larger than a preset time threshold value, controlling the radio frequency unfreezing system to stop working.
Specifically, the controller regularly judges whether the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, and when the heat dissipation capacity is continuously judged to be greater than or equal to the second heat dissipation threshold value for too many times, it indicates that the heat dissipation capacity of the radio frequency thawing system still cannot be reduced after the radio frequency output signal output by the radio frequency thawing system is reduced, and at this time, it indicates that the radio frequency thawing system has failed and needs to be shut down.
In the embodiment of the invention, whether the radio frequency thawing system has a fault is determined by judging the accumulated times that the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, the health state of the radio frequency thawing system can be monitored in time, and whether the radio frequency thawing system has a fault can be found in time.
Further, the method further comprises:
s4, obtaining the food material information of the food material to be unfrozen, and controlling the radio frequency unfreezing system to output an initial radio frequency output signal according to the food material information.
Specifically, the food material information includes at least one of a kind, a quality and an initial temperature of the food material to be thawed. The refrigerator is provided with the touch display screen, a user can recognize and manage the food materials in the refrigerator through radio frequency recognition, video recognition, manual input, voice input and the like, when the user takes out the food materials from the freezing area of the refrigerator and puts the food materials into the unfreezing cavity, the corresponding food material information is updated into the controller, and the food material information can be confirmed through modes of tag recognition, language input and the like. When the controller acquires the food material information, an initial radio frequency output signal corresponding to the food material information can be extracted by looking up a table in a database according to factors such as the category, the quality, the initial temperature state and the like of food materials, so that the radio frequency thawing system is controlled to output the initial radio frequency output signal.
Compared with the prior art, in the refrigerator control method provided by the embodiment of the invention, the food material to be defrosted is defrosted by outputting the radio frequency output signal through the radio frequency unfreezing system, the exhaust temperature and the intake temperature are obtained in the unfreezing process, the heat dissipation capacity of the radio frequency unfreezing system in the working process is calculated according to the exhaust temperature and the intake temperature, and the radio frequency output signal of the radio frequency unfreezing system is controlled to be adjusted according to the heat dissipation capacity and the preset heat dissipation threshold value. In the thawing process, the radio frequency output signal of the radio frequency thawing system is adjusted in real time by calculating the heat dissipation capacity of the radio frequency thawing system, so that the working state of the radio frequency thawing system can be effectively controlled according to the heat dissipation capacity of the radio frequency thawing system, and the normal work of the refrigerator is prevented from being influenced due to overlarge heat dissipation capacity.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A refrigerator, characterized by comprising:
the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal;
an exhaust port temperature sensor for detecting an exhaust temperature of an exhaust port of the refrigerator;
an intake port temperature sensor for detecting an intake air temperature of an intake port of the refrigerator;
the controller is configured to:
calculating the heat dissipation capacity of the radio frequency thawing system during working according to the exhaust temperature and the intake temperature;
and controlling the radio frequency unfreezing system to adjust the radio frequency output signal of the radio frequency unfreezing system according to the heat dissipation capacity and a preset heat dissipation threshold value.
2. The refrigerator of claim 1, wherein the heat dissipation threshold comprises a first heat dissipation threshold and a second heat dissipation threshold, the first heat dissipation threshold being less than the second heat dissipation threshold; then, the controlling the rf thawing system to adjust its rf output signal according to the heat dissipation amount and a preset heat dissipation threshold includes:
when the heat dissipation capacity is smaller than or equal to the first heat dissipation threshold value, controlling the radio frequency unfreezing system to stop working;
when the heat dissipation capacity is larger than the first heat dissipation threshold and smaller than the second heat dissipation threshold, controlling the radio frequency unfreezing system to dynamically adjust the radio frequency output signal of the radio frequency unfreezing system according to a preset radio frequency output signal adjustment strategy;
and when the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, controlling the radio frequency unfreezing system to reduce the radio frequency output signal of the radio frequency unfreezing system to a preset radio frequency output signal threshold value.
3. The refrigerator as claimed in claim 1, wherein said calculating a heat dissipation amount of said rf thawing system in operation based on said discharge air temperature and said intake air temperature comprises:
calculating a temperature difference between the exhaust temperature and the intake temperature;
and performing integral calculation on the temperature difference to obtain the heat dissipation capacity of the radio frequency thawing system during working.
4. The refrigerator of claim 2 wherein the rf output signal adjustment strategy satisfies the following equation:
Pt＝k*(Pr-Q)；
wherein, Pt represents the adjusted radio frequency output signal, Pr represents the radio frequency output signal currently output by the radio frequency thawing system, k is a preset coefficient, and Q is the heat dissipation capacity.
5. The refrigerator of claim 2, wherein when the heat dissipation amount is greater than or equal to the second heat dissipation threshold, the controller is further configured to:
acquiring the cumulative times that the heat dissipation capacity is greater than or equal to the second heat dissipation threshold;
and when the accumulated times are greater than a preset time threshold value, controlling the radio frequency unfreezing system to stop working.
6. The refrigerator of claim 1, wherein the controller is further configured to:
and acquiring food material information of the food material to be unfrozen, and controlling the radio frequency unfreezing system to output an initial radio frequency output signal according to the food material information.
7. The refrigerator of claim 6, wherein the food material information comprises at least one of a type, a quality, and an initial temperature of the food material to be thawed.
8. A refrigerator control method, comprising:
acquiring the exhaust temperature of an exhaust port and the intake temperature of an intake port of the refrigerator;
calculating the heat dissipation capacity of a radio frequency defrosting system of the refrigerator in working according to the exhaust temperature and the intake temperature; the radio frequency unfreezing system unfreezes the food material to be unfrozen by outputting a radio frequency output signal;
and controlling the radio frequency unfreezing system to adjust the radio frequency output signal of the radio frequency unfreezing system according to the heat dissipation capacity and a preset heat dissipation threshold value.
9. The refrigerator control method according to claim 8, wherein the heat dissipation threshold includes a first heat dissipation threshold and a second heat dissipation threshold, the first heat dissipation threshold being smaller than the second heat dissipation threshold; then, the controlling the rf thawing system to adjust its rf output signal according to the heat dissipation amount and a preset heat dissipation threshold includes:
when the heat dissipation capacity is smaller than or equal to the first heat dissipation threshold value, controlling the radio frequency unfreezing system to stop working;
when the heat dissipation capacity is larger than the first heat dissipation threshold and smaller than the second heat dissipation threshold, controlling the radio frequency unfreezing system to dynamically adjust the radio frequency output signal of the radio frequency unfreezing system according to a preset radio frequency output signal adjustment strategy;
and when the heat dissipation capacity is greater than or equal to the second heat dissipation threshold value, controlling the radio frequency unfreezing system to reduce the radio frequency output signal of the radio frequency unfreezing system to a preset radio frequency output signal threshold value.
10. The method as claimed in claim 8, wherein said calculating a heat dissipation amount of a radio frequency defrosting system of a refrigerator in operation based on the exhaust temperature and the intake temperature comprises:
calculating a temperature difference between the exhaust temperature and the intake temperature;
and performing integral calculation on the temperature difference to obtain the heat dissipation capacity of the radio frequency thawing system during working.
CN202110136665.5A 2020-12-02 2021-02-01 Refrigerator and control method thereof Active CN113915937B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2020113917283 2020-12-02
CN202011391728 2020-12-02
CN202022932438 2020-12-09
CN2020229324387 2020-12-09

Publications (2)

Publication Number Publication Date
CN113915937A true CN113915937A (en) 2022-01-11
CN113915937B CN113915937B (en) 2023-06-23

Family

ID=77962238

Family Applications (32)

Application Number Title Priority Date Filing Date
CN202110139046.1A Active CN113915861B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120286190.3U Active CN214371190U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120283248.9U Active CN214371182U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285813.5U Active CN214371185U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110136665.5A Active CN113915937B (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202120283917.2U Active CN214582001U (en) 2020-12-02 2021-02-01 Radio frequency thawing apparatus and refrigerator
CN202120283919.1U Active CN214371183U (en) 2020-12-02 2021-02-01 Radio frequency power supply impedance matching system and unfreezing refrigerator
CN202120281991.0U Active CN214371180U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285846.XU Active CN214665467U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286186.7U Active CN214371189U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110139047.6A Pending CN113915862A (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285814.XU Active CN214371186U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110135727.0A Active CN113915859B (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110136637.3A Pending CN113915936A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110135731.7A Active CN113915935B (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202120283247.4U Active CN214371181U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285896.8U Active CN214665468U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285897.2U Active CN215113424U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286128.4U Active CN214371187U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120286137.3U Active CN214371188U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285862.9U Active CN216522584U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110136614.2A Pending CN113915823A (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202110106950.2A Active CN113915858B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110106949.XA Active CN113915857B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120281912.6U Active CN214620252U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281911.1U Active CN214892054U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281916.4U Active CN214665466U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285812.0U Active CN214371184U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285840.2U Active CN215063114U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110139049.5A Active CN113915864B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110135734.0A Pending CN113915860A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110139048.0A Active CN113915863B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CN202110139046.1A Active CN113915861B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120286190.3U Active CN214371190U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120283248.9U Active CN214371182U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285813.5U Active CN214371185U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator

Family Applications After (27)

Application Number Title Priority Date Filing Date
CN202120283917.2U Active CN214582001U (en) 2020-12-02 2021-02-01 Radio frequency thawing apparatus and refrigerator
CN202120283919.1U Active CN214371183U (en) 2020-12-02 2021-02-01 Radio frequency power supply impedance matching system and unfreezing refrigerator
CN202120281991.0U Active CN214371180U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285846.XU Active CN214665467U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286186.7U Active CN214371189U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110139047.6A Pending CN113915862A (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285814.XU Active CN214371186U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110135727.0A Active CN113915859B (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110136637.3A Pending CN113915936A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110135731.7A Active CN113915935B (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202120283247.4U Active CN214371181U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285896.8U Active CN214665468U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285897.2U Active CN215113424U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286128.4U Active CN214371187U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120286137.3U Active CN214371188U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285862.9U Active CN216522584U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110136614.2A Pending CN113915823A (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202110106950.2A Active CN113915858B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110106949.XA Active CN113915857B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120281912.6U Active CN214620252U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281911.1U Active CN214892054U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281916.4U Active CN214665466U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285812.0U Active CN214371184U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285840.2U Active CN215063114U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110139049.5A Active CN113915864B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110135734.0A Pending CN113915860A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110139048.0A Active CN113915863B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator

Country Status (1)

Country Link
CN (32) CN113915861B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117367018A (en) * 2022-06-30 2024-01-09 青岛海尔电冰箱有限公司 Control method for refrigerating and freezing device and refrigerating and freezing device
CN115590136A (en) * 2022-09-27 2023-01-13 海信冰箱有限公司（Cn） Food material thawing method applied to food material thawing box and food material thawing box
CN115777864A (en) * 2022-12-15 2023-03-14 合肥华凌股份有限公司 Radio frequency thawing apparatus and refrigerator
CN117040465A (en) * 2023-07-14 2023-11-10 大湾区大学(筹) High-power radio frequency automatic matcher

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06294569A (en) * 1993-04-08 1994-10-21 Matsushita Refrig Co Ltd Refrigerator
CN1880899A (en) * 2005-06-13 2006-12-20 乐金电子(天津)电器有限公司 Defrosting apparatus and defrosting method for refrigerator
WO2007023593A1 (en) * 2005-08-25 2007-03-01 Sharp Kabushiki Kaisha Refrigerator
KR20090075057A (en) * 2008-01-03 2009-07-08 주식회사 대우일렉트로닉스 A refrigerator having thawing rooms and methods thereof
EP2745713A1 (en) * 2012-12-20 2014-06-25 New England Seafood International Ltd Method of defrosting a food item
CN105972906A (en) * 2016-05-23 2016-09-28 青岛海尔股份有限公司 Thawing method for refrigerator stored objects and refrigerator
CN107024059A (en) * 2017-05-12 2017-08-08 海信（山东）冰箱有限公司 A kind of refrigerator and unfreezing control method
CN107704059A (en) * 2017-11-09 2018-02-16 郑州云海信息技术有限公司 A kind of server power supply radiator structure and its control method
CN108955079A (en) * 2018-10-10 2018-12-07 珠海格力节能环保制冷技术研究中心有限公司 A kind of test macro and method of refrigerator operating condition
CN208487861U (en) * 2018-07-20 2019-02-12 汕头市金山厨房酒店用品有限公司 A kind of freezing food materials efficiently thaw cabinet
CN109619373A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109631452A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109990553A (en) * 2017-12-29 2019-07-09 青岛海尔股份有限公司 Refrigerator
CN109990564A (en) * 2017-12-29 2019-07-09 青岛海尔股份有限公司 Wind cooling refrigerator
CN110513954A (en) * 2019-08-14 2019-11-29 长虹美菱股份有限公司 A kind of refrigerator and control method with quick-thawing function
CN110651946A (en) * 2018-06-29 2020-01-07 夏普株式会社 Thawing device and thawing method
WO2020220789A1 (en) * 2019-04-30 2020-11-05 青岛海尔电冰箱有限公司 Thawing method for refrigeration and freezing equipment and refrigeration and freezing equipment

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10169997A (en) * 1996-12-11 1998-06-26 Toshiba Corp Heating cooker
JPH10220953A (en) * 1997-01-31 1998-08-21 Toshiba Corp Refrigerator
JP2002281950A (en) * 2001-03-28 2002-10-02 Matsushita Refrig Co Ltd Thawing box
JP2005201533A (en) * 2004-01-15 2005-07-28 Matsushita Electric Ind Co Ltd Storage
US20090019869A1 (en) * 2007-07-19 2009-01-22 Girard John M System and method for vapor control in cryogenic freezers
KR101768724B1 (en) * 2011-05-31 2017-08-17 엘지전자 주식회사 Refrigerator
JP2013072618A (en) * 2011-09-29 2013-04-22 Panasonic Corp Refrigerator
CN103090634B (en) * 2013-02-21 2015-04-15 合肥美的电冰箱有限公司 Refrigerator with microwave oven
CN103162490B (en) * 2013-04-11 2015-08-26 合肥美的电冰箱有限公司 Refrigerator
CN104501516A (en) * 2014-12-01 2015-04-08 合肥美的电冰箱有限公司 Refrigerator
CN106234557A (en) * 2016-10-10 2016-12-21 成都沃特塞恩电子技术有限公司 A kind of radio frequency power source and radio frequency thawing apparatus
KR102424395B1 (en) * 2017-02-20 2022-07-21 삼성전자주식회사 Antenna tuning device and tuning method thereof
CN109000396B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Unfreezing method for refrigerator and refrigerator
CN109000405B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Refrigerator with a door
CN109000397B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Thawing method for thawing device
CN109000408B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Refrigerator with a door
CN109000420B (en) * 2017-06-06 2024-03-22 海尔智家股份有限公司 Thawing device and refrigerator with thawing device
CN109000403B (en) * 2017-06-06 2020-05-26 海尔智家股份有限公司 Thawing method for thawing device
CN109000401B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Refrigerator with a door
CN109000404B (en) * 2017-06-06 2020-06-23 青岛海尔股份有限公司 Refrigerator with a door
CN207050291U (en) * 2017-07-18 2018-02-27 老娘舅餐饮有限公司 A kind of electrostatic refrigerator capable of defrosting
CN109323525A (en) * 2017-07-31 2019-02-12 青岛海尔智能技术研发有限公司 Refrigerator
CN107886272B (en) * 2017-11-06 2021-08-31 北京戴纳实验科技有限公司 Food material management method
US10771036B2 (en) * 2017-11-17 2020-09-08 Nxp Usa, Inc. RF heating system with phase detection for impedance network tuning
WO2019132401A1 (en) * 2017-12-27 2019-07-04 삼성전자(주) Refrigerator having high frequency wave thawing device
KR102589073B1 (en) * 2017-12-27 2023-10-16 삼성전자주식회사 Refrigerator with high-frequency defrosting device
CN109990563B (en) * 2017-12-29 2021-01-01 青岛海尔股份有限公司 Air-cooled refrigerator and control method thereof
CN109990521B (en) * 2017-12-29 2021-08-24 海尔智家股份有限公司 Air-cooled refrigerator
CN110553461A (en) * 2018-06-01 2019-12-10 博西华电器（江苏）有限公司 Unfreezing control method and device and refrigerator
JP7199052B2 (en) * 2018-10-23 2023-01-05 パナソニックＩｐマネジメント株式会社 refrigerator
JP7181062B2 (en) * 2018-11-20 2022-11-30 東芝ライフスタイル株式会社 refrigerator
CN111227023A (en) * 2018-11-29 2020-06-05 青岛海尔智能技术研发有限公司 Radio frequency thawing device, control method and device thereof, thawing machine and storage medium
CN111317017B (en) * 2018-12-14 2023-06-20 青岛海尔智能技术研发有限公司 Radio frequency thawing apparatus
CN111380268B (en) * 2018-12-28 2023-07-14 博西华电器（江苏）有限公司 Heating device and refrigerator
CN209893724U (en) * 2019-02-19 2020-01-03 青岛海尔电冰箱有限公司 Refrigerating and freezing device
CN209893722U (en) * 2019-02-19 2020-01-03 青岛海尔电冰箱有限公司 Refrigerating and freezing device
CN110398130A (en) * 2019-08-08 2019-11-01 珠海格力电器股份有限公司 Refrigerator defrosting control method, device and refrigerator
CN110411142B (en) * 2019-08-20 2023-10-03 珠海格力电器股份有限公司 Food fresh-keeping thawing method and device, food storage device and refrigerator
CN110530104A (en) * 2019-09-18 2019-12-03 珠海格力电器股份有限公司 Food materials unfreezing control method, device, equipment and refrigerator system in refrigerator
CN111076480A (en) * 2020-01-09 2020-04-28 珠海格力电器股份有限公司 Thawing refrigerator capable of thawing quickly and uniformly and keeping freshness and thawing control method thereof
CN211823376U (en) * 2020-02-18 2020-10-30 青岛海尔电冰箱有限公司 Refrigerating and freezing device
CN111288745B (en) * 2020-03-04 2021-08-03 珠海格力电器股份有限公司 Unfreezing control method and device and refrigerator
CN111466508A (en) * 2020-04-10 2020-07-31 四川长虹电器股份有限公司 Radio frequency unfreezing device, refrigerator and radio frequency unfreezing method
CN211983630U (en) * 2020-04-29 2020-11-24 高斯贝尔数码科技股份有限公司 Quick thawing equipment for frozen food materials

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06294569A (en) * 1993-04-08 1994-10-21 Matsushita Refrig Co Ltd Refrigerator
CN1880899A (en) * 2005-06-13 2006-12-20 乐金电子(天津)电器有限公司 Defrosting apparatus and defrosting method for refrigerator
WO2007023593A1 (en) * 2005-08-25 2007-03-01 Sharp Kabushiki Kaisha Refrigerator
KR20090075057A (en) * 2008-01-03 2009-07-08 주식회사 대우일렉트로닉스 A refrigerator having thawing rooms and methods thereof
EP2745713A1 (en) * 2012-12-20 2014-06-25 New England Seafood International Ltd Method of defrosting a food item
CN105972906A (en) * 2016-05-23 2016-09-28 青岛海尔股份有限公司 Thawing method for refrigerator stored objects and refrigerator
CN107024059A (en) * 2017-05-12 2017-08-08 海信（山东）冰箱有限公司 A kind of refrigerator and unfreezing control method
CN109619373A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109631452A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN107704059A (en) * 2017-11-09 2018-02-16 郑州云海信息技术有限公司 A kind of server power supply radiator structure and its control method
CN109990553A (en) * 2017-12-29 2019-07-09 青岛海尔股份有限公司 Refrigerator
CN109990564A (en) * 2017-12-29 2019-07-09 青岛海尔股份有限公司 Wind cooling refrigerator
CN110651946A (en) * 2018-06-29 2020-01-07 夏普株式会社 Thawing device and thawing method
CN208487861U (en) * 2018-07-20 2019-02-12 汕头市金山厨房酒店用品有限公司 A kind of freezing food materials efficiently thaw cabinet
CN108955079A (en) * 2018-10-10 2018-12-07 珠海格力节能环保制冷技术研究中心有限公司 A kind of test macro and method of refrigerator operating condition
WO2020220789A1 (en) * 2019-04-30 2020-11-05 青岛海尔电冰箱有限公司 Thawing method for refrigeration and freezing equipment and refrigeration and freezing equipment
CN110513954A (en) * 2019-08-14 2019-11-29 长虹美菱股份有限公司 A kind of refrigerator and control method with quick-thawing function

Also Published As

Publication number Publication date
CN214665468U (en) 2021-11-09
CN215113424U (en) 2021-12-10
CN113915823A (en) 2022-01-11
CN113915860A (en) 2022-01-11
CN113915861B (en) 2022-12-16
CN113915857A (en) 2022-01-11
CN113915864B (en) 2023-06-23
CN113915935B (en) 2023-05-09
CN214371183U (en) 2021-10-08
CN113915862A (en) 2022-01-11
CN214892054U (en) 2021-11-26
CN216522584U (en) 2022-05-13
CN214620252U (en) 2021-11-05
CN214371190U (en) 2021-10-08
CN214371184U (en) 2021-10-08
CN214665466U (en) 2021-11-09
CN113915861A (en) 2022-01-11
CN113915858B (en) 2022-12-27
CN113915936A (en) 2022-01-11
CN113915859B (en) 2023-05-12
CN214371188U (en) 2021-10-08
CN113915857B (en) 2023-04-28
CN214371189U (en) 2021-10-08
CN113915864A (en) 2022-01-11
CN214582001U (en) 2021-11-02
CN214371180U (en) 2021-10-08
CN214371185U (en) 2021-10-08
CN214371187U (en) 2021-10-08
CN113915935A (en) 2022-01-11
CN214371182U (en) 2021-10-08
CN214665467U (en) 2021-11-09
CN214371186U (en) 2021-10-08
CN113915863A (en) 2022-01-11
CN113915859A (en) 2022-01-11
CN214371181U (en) 2021-10-08
CN113915937B (en) 2023-06-23
CN215063114U (en) 2021-12-07
CN113915863B (en) 2023-06-23
CN113915858A (en) 2022-01-11

Similar Documents

Publication Publication Date Title
CN113915937B (en) Refrigerator and control method thereof
US6216478B1 (en) Operation speed change system and method for refrigerator
CN112197489B (en) Evaporator defrosting method and device, refrigerator, computer equipment and storage medium
US9879893B2 (en) Air conditioning system, method for controlling air conditioning system, and outdoor apparatus of air conditioning system
CN107702427A (en) Compressor rotary speed control method and system, computer equipment, refrigerator
US20090007575A1 (en) Cooling apparatus
WO2020220789A1 (en) Thawing method for refrigeration and freezing equipment and refrigeration and freezing equipment
EP3553423B1 (en) Method for detecting refrigerant leakage of air source heat pump system and such air source heat pump system
CN111981719B (en) Refrigerating unit compression refrigeration cycle control method and device and refrigerating unit
US11181308B2 (en) Air-conditioner that prevents degradation in heating capability during defrosting operation
CN104329897A (en) Defrosting control method and system for compression refrigerator
CN110986253B (en) Electronic expansion valve control method, compressor control system and air conditioner
CN114279162B (en) Control method and device of air-cooled refrigerator and refrigerator
US5931010A (en) Method and apparatus for controlling a temperature of a cooked food chilling chamber in a refrigerator
CN113587524A (en) Water chilling unit bypass adjustment control method and system and water chilling unit
CN108278832B (en) Internet of things refrigerator with defrosting function and working method thereof
WO2020140721A1 (en) Thawing method for refrigeration and freezing device, and refrigeration and freezing device
KR20120011654A (en) Refrigerator and controlling method of the same
CN112082293A (en) Throttle valve control method and device, compressed steam circulation system and air conditioner
CN102272543B (en) Cooling device
US20130031919A1 (en) Refrigeration plant and methods of control therefor
CN108626935A (en) Refrigerator and its compressor frequency control method
US20240085100A1 (en) Refrigerator storage temperature control method
WO2021174776A1 (en) Preprotection method for condensing unit, and condensing unit
CN113819574B (en) Control method and control device of air conditioner and air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 266000 Haixin Avenue, Nancun Town, Pingdu City, Qingdao City, Shandong Province

Applicant after: Hisense refrigerator Co.,Ltd.

Address before: 266100 Songling Road, Laoshan District, Qingdao, Shandong Province, No. 399

Applicant before: HISENSE (SHANDONG) REFRIGERATOR Co.,Ltd.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant