CN214371183U - Radio frequency power supply impedance matching system and unfreezing refrigerator - Google Patents

Radio frequency power supply impedance matching system and unfreezing refrigerator Download PDF

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Publication number
CN214371183U
CN214371183U CN202120283919.1U CN202120283919U CN214371183U CN 214371183 U CN214371183 U CN 214371183U CN 202120283919 U CN202120283919 U CN 202120283919U CN 214371183 U CN214371183 U CN 214371183U
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China
Prior art keywords
module
radio frequency
power supply
frequency power
impedance matching
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CN202120283919.1U
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Chinese (zh)
Inventor
赵强
段跃斌
李秀军
侯同尧
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Hisense Shandong Refrigerator Co Ltd
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Hisense Shandong Refrigerator Co Ltd
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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
    • 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

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  • 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 utility model discloses a radio frequency power supply impedance matching system, include: the device comprises a radio frequency power supply module, a signal detection module, a load module, a first motor, a control module, a resistor, an inductor and a first capacitor; the radio frequency power supply module is connected with the resistor, the resistor is also connected with the signal detection module, and the signal detection module is respectively connected with the inductor and the control module; the inductor is connected with the load module, and the load module is connected with the radio frequency power supply module; the first motor is respectively connected with the control module and the first capacitor, and the first capacitor is further connected with the signal detection module. The utility model also discloses a refrigerator unfreezes. Adopt the embodiment of the utility model provides a, realize the automatic matching of both impedances between radio frequency power supply and load, but have the advantage that the automatic matching scope is big, the matching is fast, the energy saving consumes.

Description

Radio frequency power supply impedance matching system and unfreezing refrigerator
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a radio frequency power supply impedance matching system and refrigerator that unfreezes.
Background
At present, the automatic impedance matching technology of the radio frequency power supply is applied to various fields, the output impedance of the radio frequency power supply is not matched with the impedance of a plasma load, the waste of radio frequency power can be caused, and the automatic impedance matching can be set to effectively improve the power waste. The main problems of the existing products with impedance matching function are as follows: the automatic matching time is long, the working point is unstable, and direct current loss is caused.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a radio frequency power supply impedance matching system and refrigerator that unfreezes realizes the automatic matching of both impedances between radio frequency power supply and load, but have the advantage that the automatic matching scope is big, the matching speed is fast, the energy saving consumes.
In order to achieve the above object, an embodiment of the present invention provides a radio frequency power impedance matching system, including: the device comprises a radio frequency power supply module, a signal detection module, a load module, a first motor, a control module, a resistor, an inductor and a first capacitor; wherein the content of the first and second substances,
the radio frequency power supply module is connected with the resistor, the resistor is also connected with the signal detection module, and the signal detection module is respectively connected with the inductor and the control module;
the inductor is connected with the load module, and the load module is connected with the radio frequency power supply module;
the first motor is respectively connected with the control circuit and the first capacitor, and the first capacitor is further connected with the signal detection module.
As an improvement of the above scheme, the radio frequency power supply module comprises a radio frequency signal source, a power supply circuit and a power amplifier circuit; wherein the content of the first and second substances,
the radio frequency signal source is connected with the power amplifier circuit, and the power supply circuit is respectively connected with the radio frequency signal source and the power amplifier circuit.
As an improvement of the above scheme, the signal detection module comprises a signal detection chip and a peripheral circuit thereof.
As an improvement of the above scheme, the signal detection module is configured to detect an incident signal sent by the radio frequency power supply module and a reflected signal reflected by the load module after receiving the incident signal.
As an improvement of the above scheme, the impedance matching system further includes a second motor and a second capacitor, the second motor is connected to the control module and the second capacitor, and the second capacitor is further connected to the inductor.
As an improvement of the above scheme, the first motor is a stepping motor.
As an improvement of the above scheme, the second motor is a stepping motor.
In order to achieve the above object, the embodiment of the present invention further provides a thawing refrigerator, including the rf power impedance matching system according to any of the above embodiments; the load module is a storage cavity in the unfreezing refrigerator, and the storage cavity is used for storing food to be unfrozen.
Compared with the prior art, the embodiment of the utility model provides a radio frequency power supply impedance matching system and refrigerator that unfreezes, in the impedance change in-process of load module, through the control signal of the first motor of control module output, can realize the dynamic change of system (inductance and electric capacity) impedance to reach the purpose that realizes the automatic matching of both impedances between radio frequency power supply and the load, but have the advantage that the automatic matching scope is big, the matching speed is fast, energy saving consumes.
Drawings
Fig. 1 is a block diagram of a radio frequency power impedance matching system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a block diagram of a radio frequency power impedance matching system according to an embodiment of the present invention, where the radio frequency power impedance matching system includes a radio frequency power module 10, a signal detection module 20, a load module 30, a first motor 40, a control module 50, a resistor R, an inductor L, and a first capacitor C1; wherein the content of the first and second substances,
the radio frequency power supply module 10 is connected with the resistor R, the resistor R is further connected with the signal detection module 20, and the signal detection module 20 is respectively connected with the inductor L and the control module 50;
the inductor L is connected to the load module 30, and the load module 30 is connected to the rf power module 10;
the first motor 40 is respectively connected to the control module 50 and the first capacitor C1, and the first capacitor C1 is further connected to the signal detection module 20.
Specifically, in the process of changing the impedance of the load module 30, the control module 50 outputs the control signal of the first motor 40, so that the dynamic change of the impedance of the system (the inductor L and the capacitor C1) can be realized, the purpose of automatically matching the impedances of the radio frequency power supply and the load is achieved, and the method has the advantages of large automatic matching range, high matching speed and energy consumption saving.
Optionally, the radio frequency power supply module 10 includes a radio frequency signal source, a power supply circuit and a power amplifier circuit; the radio frequency signal source is connected with the power amplifier circuit, and the power supply circuit is respectively connected with the radio frequency signal source and the power amplifier circuit.
Specifically, the radio frequency signal source is a source for generating a radio frequency signal, and is capable of outputting a radio frequency signal with a fixed frequency. The power amplifier circuit is a power amplifier and is used for converting the radio-frequency signal with fixed frequency generated by the radio-frequency signal source into the radio-frequency signal with power required by the system.
Optionally, the signal detection module 20 includes a signal detection chip and its peripheral circuits. The signal detection module 20 is configured to detect an incident signal sent by the radio frequency power supply module and a reflected signal reflected by the load module 30 after receiving the incident signal, and transmit information to the control module 50, the control module 50 outputs a control signal of the first motor 40 according to a detection result, and the first motor 40 operates according to a preset power, so that dynamic change of impedance of a system (an inductor L and a capacitor C1) can be realized, and an automatic matching of the impedance of the radio frequency power supply and the impedance of the load can be realized.
Optionally, the first motor is a stepper motor. The radio frequency power supply impedance matching system further comprises a second motor 60 and a second capacitor C2, wherein the second motor 60 is respectively connected with the control module 50 and the second capacitor C2, the second capacitor is further connected with the inductor L, and the second motor is a stepping motor.
Specifically, by controlling the rotation of the first motor 40 and the second motor 60 by the control module 50, the impedance of the inductor L and the capacitor (C1 and C2) can be changed, thereby performing impedance matching.
Compared with the prior art, the embodiment of the utility model provides a radio frequency power supply impedance matching system, at load module 30's impedance change in-process, through the control signal of the first motor 40 of control module 50 output, can realize the dynamic change of system (inductance L and electric capacity) impedance to reach the purpose of realizing the automatic matching of both impedances between radio frequency power supply and the load, but have the advantage that the automatic matching scope is big, the matching speed is fast, energy saving consumes.
Further, the embodiment of the present invention further provides a thawing refrigerator, which includes the rf power impedance matching system of the above embodiment; the load module 30 is an object placing cavity in the thawing refrigerator, and the object placing cavity is used for placing food to be thawed.
Illustratively, during the thawing process, the load impedance of the food to be thawed is changed, so that the system impedance is required to be changed, and the dynamic change of the system impedance can be realized by outputting the motor control signal through the control module 50.
It should be noted that, please refer to the working process of the rf power impedance matching system described in the above embodiments for a specific rf power impedance matching system, which is not described herein again.
Compared with the prior art, the embodiment of the utility model provides a refrigerator unfreezes at the impedance change in-process of load module, through the control signal of the first motor of control module output, can realize the dynamic change of system (inductance and electric capacity) impedance to reach the purpose that realizes the automatic matching of both impedances between radio frequency power supply and the load, but have the advantage that the automatic matching scope is big, the matching speed is fast, the energy saving consumes.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (8)

1. An impedance matching system for a radio frequency power supply, comprising: the device comprises a radio frequency power supply module, a signal detection module, a load module, a first motor, a control module, a resistor, an inductor and a first capacitor; wherein the content of the first and second substances,
the radio frequency power supply module is connected with the resistor, the resistor is also connected with the signal detection module, and the signal detection module is respectively connected with the inductor and the control module;
the inductor is connected with the load module, and the load module is connected with the radio frequency power supply module;
the first motor is respectively connected with the control module and the first capacitor, and the first capacitor is further connected with the signal detection module.
2. The rf power impedance matching system of claim 1, wherein the rf power module comprises an rf signal source, a power circuit, and a power amplifier circuit; wherein the content of the first and second substances,
the radio frequency signal source is connected with the power amplifier circuit, and the power supply circuit is respectively connected with the radio frequency signal source and the power amplifier circuit.
3. The radio frequency power impedance matching system of claim 1, wherein the signal detection module includes a signal detection chip and its peripheral circuits.
4. The impedance matching system for rf power supply according to claim 3, wherein the signal detection module is configured to detect an incident signal from the rf power supply module and a reflected signal from the load module after receiving the incident signal.
5. The rf power impedance matching system of claim 1, further comprising a second motor and a second capacitor, wherein the second motor is connected to the control module and the second capacitor, respectively, and the second capacitor is further connected to the inductor.
6. The rf power impedance matching system of claim 1, wherein the first motor is a stepper motor.
7. The radio frequency power impedance matching system of claim 5, wherein the second motor is a stepper motor.
8. A thawing refrigerator, characterized in that it comprises the RF power source impedance matching system of any one of the claims 1 to 7; the load module is a storage cavity in the unfreezing refrigerator, and the storage cavity is used for storing food to be unfrozen.
CN202120283919.1U 2020-12-02 2021-02-01 Radio frequency power supply impedance matching system and unfreezing refrigerator Active CN214371183U (en)

Applications Claiming Priority (4)

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

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CN214371183U true CN214371183U (en) 2021-10-08

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Family Applications (32)

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

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Application Number Title Priority Date Filing Date
CN202120285846.XU Active CN214665467U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110135731.7A Active CN113915935B (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202110136614.2A Pending CN113915823A (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202120281916.4U Active CN214665466U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110135727.0A Active CN113915859B (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202120286190.3U Active CN214371190U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120286186.7U Active CN214371189U (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

Family Applications After (23)

Application Number Title Priority Date Filing Date
CN202120281991.0U Active CN214371180U (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
CN202120283248.9U Active CN214371182U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110136637.3A Pending CN113915936A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202110136665.5A Active CN113915937B (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202120281912.6U Active CN214620252U (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
CN202120285814.XU Active CN214371186U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120283917.2U Active CN214582001U (en) 2020-12-02 2021-02-01 Radio frequency thawing apparatus and refrigerator
CN202110139046.1A Active CN113915861B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110139048.0A Active CN113915863B (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
CN202110139047.6A Pending CN113915862A (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
CN202120286128.4U Active CN214371187U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285812.0U Active CN214371184U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120281911.1U Active CN214892054U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285840.2U Active CN215063114U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285813.5U Active CN214371185U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120283247.4U Active CN214371181U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110106950.2A Active CN113915858B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120286137.3U Active CN214371188U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110139049.5A Active CN113915864B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator

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