CN214371189U - Refrigeration storage device - Google Patents

Refrigeration storage device Download PDF

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Publication number
CN214371189U
CN214371189U CN202120286186.7U CN202120286186U CN214371189U CN 214371189 U CN214371189 U CN 214371189U CN 202120286186 U CN202120286186 U CN 202120286186U CN 214371189 U CN214371189 U CN 214371189U
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CN
China
Prior art keywords
radio frequency
power supply
heat dissipation
main control
control board
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Active
Application number
CN202120286186.7U
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Chinese (zh)
Inventor
侯同尧
李秀军
赵强
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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 refrigeration storage device relates to low temperature storage device technical field for the lower problem of security of refrigerator that has the radio frequency function of unfreezing among the solution prior art. The utility model discloses refrigeration storage device includes: a main control board; the main power supply is electrically connected with the main control board; the box body is internally provided with mutually independent thawing compartments and a main control board installation cavity; the radio frequency thawing assembly comprises a radio frequency power supply, a radio frequency power amplifier, a tuner and an electrode which are sequentially and electrically connected, the radio frequency power supply is electrically connected with the radio frequency power amplifier, the radio frequency power supply and a main power supply are arranged on the same circuit board, a main control board and the radio frequency power amplifier are both positioned in a main control board mounting cavity, and the tuner and the electrode are both mounted in a thawing chamber; the installation shell is arranged outside the box body, and the circuit board where the radio frequency power supply and the main power supply are located is arranged in the installation shell. The utility model discloses a refrigeration storage device is used for low temperature storage article.

Description

Refrigeration storage device
The present application claims priority from two chinese patent applications, application No. 202011391728.3 filed on 2/12/2020 and application No. 202022932438.7 filed on 9/12/2020, the entire contents of which are incorporated herein by reference.
Technical Field
The utility model relates to a low temperature storage device technical field especially relates to a refrigeration storage device.
Background
With the improvement of living standard of people, the functional requirements of household refrigeration storage equipment (such as a refrigerator or a freezer) are more and more. Taking a refrigerator as an example, some existing refrigerators have a thawing function in addition to conventional refrigerating, freezing and safety functions.
Common unfreezing technologies comprise air unfreezing, water unfreezing, microwave unfreezing, radio frequency unfreezing and the like, wherein the air unfreezing method is simple, but due to the fact that the heat conductivity of air is poor and the specific heat capacity is small, the needed unfreezing time is long; the thawing speed of water thawing is higher than that of air thawing, but soluble substances of food are easy to lose in the thawing process, and the quality of the food is reduced after the food absorbs water; the microwave thawing speed is high, but the cost is high, the power consumption is large and the microwave thawing is difficult to control; the radio frequency thawing is thawing by adopting electromagnetic waves of 300 KHz-300 GHz, and compared with other thawing technologies, the radio frequency thawing has the advantages of high thawing rate, large penetration depth, uniform heating and the like. Therefore, some existing refrigerators with thawing function adopt radio frequency thawing technology to thaw.
A thawing chamber is arranged in a box body of an existing refrigerator, a radio frequency thawing module is installed in the box body, and needed electromagnetic waves are generated by the radio frequency thawing module to thaw articles in the thawing chamber. The radio frequency unfreezing module comprises a radio frequency power supply, an oscillator, a radio frequency power amplifier, a tuner, electrodes and the like, wherein the radio frequency power supply and the radio frequency power amplifier are both arranged in a compressor bin of the box body. If the electromagnetic wave generated by the radio frequency power amplifier in the radio frequency unfreezing module in the refrigerator body leaks, and meanwhile, the compression refrigeration system in the refrigerator body leaks, the danger of explosion can occur, and the safety of the refrigerator is low.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a refrigeration storage device, which is used for solving the problem that the safety of a refrigerator with a radio frequency thawing function in the prior art is low.
In order to achieve the above purpose, the embodiment of the present application adopts the following technical solutions:
an embodiment of the present application provides a refrigeration storage device, including: a main control board; a main power supply electrically connected with the main control board; the box body is internally provided with mutually independent unfreezing compartments and a main control board installation cavity; the radio frequency unfreezing assembly comprises a radio frequency power supply, a radio frequency power amplifier, a tuner and an electrode which are sequentially and electrically connected, wherein the radio frequency power supply is electrically connected with the radio frequency power amplifier and arranged on the same circuit board as the main power supply, the main control board and the radio frequency power amplifier are both positioned in the main control board mounting cavity, and the tuner and the electrode are both mounted in the unfreezing chamber; the installation shell is arranged outside the box body, and the radio frequency power supply and the circuit board where the main power supply is located are arranged in the installation shell.
In some possible embodiments of the present application, the heat sink further includes a first heat dissipation device disposed in the mounting housing and configured to dissipate heat in the mounting housing.
In some possible embodiments of the present application, the first heat dissipation device is a first heat dissipation fan, the mounting housing is provided with heat dissipation holes, and the first heat dissipation fan is configured to introduce air into the mounting housing to form a heat dissipation airflow, and the heat dissipation airflow is conducted out through the heat dissipation holes after exchanging heat with the radio frequency power supply and the main power supply.
In some possible embodiments of the present application, the defrosting compartment further includes a second heat dissipation device, and the second heat dissipation device is disposed in the box body and is used for dissipating heat of the defrosting compartment.
In some possible embodiments of this application, the second heat abstractor is second radiator fan, set up on the box with the inlet port and the exhaust hole that all communicate in the room between unfreezing, second radiator fan is located the inlet port and/or exhaust hole department, second radiator fan can pass through the inlet port will air outside the box is leading-in the room between unfreezing, with the tuner with after the electrode heat transfer, the warp the exhaust hole is derived.
In some possible embodiments of the present application, the tuner further comprises a first temperature detection device installed at the tuner and used for detecting a temperature of the tuner; the main control board is electrically connected with the first temperature detection device and the second cooling fan, and is further used for controlling the second cooling fan to be turned on or off and/or adjusting the rotating speed of the second cooling fan according to the temperature value detected by the first temperature detection device.
In some possible embodiments of the present application, a plurality of refrigeration compartments are further disposed in the box body, and the box body further includes a first casing, the thawing compartment is formed in the first casing, and the first casing is located in the refrigeration compartment or is communicated with the refrigeration compartment.
In some possible embodiments of this application, still include the second casing, the second casing is located the refrigeration room is indoor, first casing is located in the second casing, set up on the second casing with the cooling opening of refrigeration room intercommunication, cooling opening department installs the air door.
In some possible embodiments of the present application, the defrosting device further comprises a second temperature detection device, which is disposed in the first housing and is used for detecting the temperature in the defrosting chamber; the main control board is electrically connected with the second temperature detection device and the air door, and is used for controlling the opening or closing of the air door according to the temperature value detected by the second temperature detection device.
In some possible embodiments of the present application, the radio frequency power supply further includes a switch device, and the switch device is used for controlling the on and off of the radio frequency power supply.
Compared with the prior art, the refrigeration storage device provided by the embodiment of the application has the advantages that the radio frequency power amplifier is arranged in the main control board mounting cavity, the radio frequency power amplifier is arranged in the original main control board mounting cavity, the radio frequency power amplifier is arranged far away from the compressor bin, and the main control board mounting cavity is an independent cavity and is isolated from the refrigeration cycle system, so that the problems of explosion risk and reduced safety of the refrigerator caused by leakage of the refrigeration cycle system and electromagnetic wave leakage of the radio frequency power amplifier are solved, and the refrigeration storage device does not occupy the defrosting compartment or other unfreezing spaces of the refrigerator; the installation shell is arranged outside the refrigerator body, the radio frequency power supply and the main power supply are arranged in the installation shell, the installation shell is positioned outside the refrigerator body of the refrigerator, the compressor bin is positioned in the refrigerator body, namely the installation shell and the compressor bin are mutually independent, and the radio frequency power supply and the main power supply can be completely isolated from the refrigeration cycle system, so that the safety of the refrigerator is further improved; and the radio frequency power supply and the main power supply are not influenced by the heat dissipation of the electronic components in the box body, so that the heat dissipation of the radio frequency power supply and the main power supply is facilitated, and the radio frequency power supply and the main power supply are suitable for the scheme that the radio frequency power supply and the main power supply generate more heat. In addition, the main power supply and the radio frequency power supply of the refrigerator are arranged on the same circuit board, and different output voltages are output by adopting the same transformer and different turns, so that the cost is lower.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present disclosure;
FIG. 2 is a second schematic structural diagram of a refrigerator according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a refrigerator according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a refrigerator body, a main control panel installation cavity and a thawing compartment in the refrigerator according to the embodiment of the present application;
FIG. 5 is a schematic diagram illustrating the connection of the RF thawing module, the main control board and the main power supply in the refrigerator according to the embodiment of the present disclosure;
fig. 6 is a schematic diagram of a module in which a main control board and an oscillator are located on the same circuit board in a refrigerator according to an embodiment of the present application;
FIG. 7 is a schematic structural diagram of a compressor compartment with an RF power amplifier, an RF power supply, and an RF controller according to an embodiment of the present disclosure;
FIG. 8 is a schematic structural diagram of a mounting housing in a refrigerator according to an embodiment of the present application;
fig. 9 is a schematic diagram of a module in which an rf controller, an rf power amplifier, and an oscillator are located on the same circuit board in a refrigerator according to an embodiment of the present disclosure;
FIG. 10 is a schematic diagram of a main power supply and an RF power supply of a refrigerator according to an embodiment of the present invention on a same circuit board;
fig. 11 is a schematic structural view illustrating a first air inlet, a first air outlet, a second air inlet, and a second air outlet formed in a refrigerator body of a refrigerator according to an embodiment of the present disclosure.
Reference numerals:
1000-matter to be thawed; 1-a refrigerator; 11-a box body; 101-a movable member; 12-a main control board; 13-a main power supply; 14-a control panel; 15-a radio frequency thawing assembly; 151-an oscillator; 152-a radio frequency power amplifier; 153-a tuner; 154-an electrode; 155-radio frequency power supply; 156-a switching device; 157-a radio frequency controller; 16-a first heat sink; 17-a second heat sink; 18-first temperature detection means; 19-a second temperature detection device; 111-a first intake aperture; 112-a first venting aperture; 113-a second intake aperture; 114-a second vent; 100-a refrigeration compartment; 100A-freezing chamber; 100B-a cold room; 200-a refrigeration cycle system; 201-a compressor; 202-a condenser; 203-a throttling device; 204-an evaporator; 300-a compressor bin; 400-main control board installation cavity; 500-thawing compartment; 500A-equipment housing compartment; 500B-thawing containment compartment, 501-first shell; 502-a second housing; 5021-air door; 503-door body; 600-mounting the housing.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In the description of the present application, "and/or" is only one kind of association relationship describing an associated object, and means that three kinds of relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The refrigeration storage equipment of the embodiment of the application can be a refrigerator or a freezer. The refrigeration storage device according to the embodiment of the present application is described as a refrigerator.
Fig. 1 and 2 are perspective views of a specific embodiment of a refrigerator 1 according to an embodiment of the present application.
Referring to fig. 1 and 2, a refrigerator 1 according to an embodiment of the present invention has an approximately rectangular parallelepiped shape, a refrigeration compartment 100 is formed in a cabinet 11 of the refrigerator 1 according to the embodiment of the present invention, the refrigeration compartment 100 has an opening, a movable member 101 is installed at the opening, and the movable member 101 is a storage drawer or a door body. The refrigerator 1 in the embodiment of the present application may have other shapes, and the present application does not limit the shape of the refrigerator 1.
The refrigerating compartment 100 is vertically partitioned into a lower freezing compartment 100A and an upper refrigerating compartment 100B, and each of the partitioned spaces may have an independent storage space, as shown in fig. 2 and 3.
Continuing to refer to fig. 3, a refrigeration cycle system 200 is further disposed in the box 11, the refrigeration cycle system 200 includes a compressor 201, a condenser 202, a throttling device 203 and an evaporator 204 which are sequentially connected end to end, wherein a compressor bin 300 is disposed in the box 11 (the compressor bin 300 is disposed at the bottom of the box 11), the compressor 201 is disposed in the compressor bin 300, a high-temperature high-pressure gaseous refrigerant discharged by the compressor 201 is cooled by the condenser 202 and then becomes a normal-temperature liquid refrigerant, the refrigerant is throttled by the throttling device 203 and depressurized and then enters the evaporator 204, after heat exchange between the evaporator 204 and the refrigerating compartment 100, the refrigerant absorbs heat and becomes a gaseous refrigerant, and finally flows back to an air return port of the compressor 201. The temperature of the refrigerant compartment 100 decreases after heat is released from the refrigerant in the evaporator 204, and cooling is performed.
Referring to fig. 4, the refrigerator 1 further includes a main control board 12, and the main control board 12 is used for data processing, communication connection, and centralized control of various control signals of the refrigerator 1.
A main control board installation cavity 400 is further formed in the box body 11, and the main control board 12 is located in the main control board installation cavity 400. The main control board installation cavity 400 shown in fig. 4 is located at the upper portion of the box body 11 and near the area of the back plate; the main control board installation cavity 400 is formed by a housing having good sealing performance and isolation.
For the refrigerator with the radio frequency thawing function, a thawing chamber 500 is formed in the box body 11 of the refrigerator 1 in the embodiment of the present application, and the object 1000 to be thawed can be placed in the thawing chamber 500 for thawing.
Referring to fig. 3 and 4, the thawing chamber 500 may be formed of a cylindrical case, and a door 503 for rotatably opening the thawing chamber 500 is provided at a front side of the case. When the door 503 is opened, the object 1000 to be thawed may be placed in the thawing compartment 500, or the object 1000 to be thawed may be taken out from the thawing compartment 500. Compared with the thawing compartment 500 which is opened in a pulling manner (i.e., the thawing compartment 500 formed by a drawer structure), the tightness of the thawing compartment 500 is better, and the electromagnetic wave leakage in the thawing compartment 500 can be reduced.
Referring to fig. 4 and 5, the refrigerator 1 in the embodiment of the present application further includes a main power supply 13, and the main power supply 13 is used for supplying power to various electronic devices such as the main control board 12, the fan, the compressor 201, and the control panel 14. The main power supply 13 is also provided in the main control board mounting chamber 400.
The refrigerator 1 of the embodiment of the present application further includes a radio frequency thawing assembly 15, and the radio frequency thawing assembly 15 includes an oscillator 151 (such as an active crystal oscillator), a radio frequency power amplifier 152, a tuner 153, and an electrode 154, which are electrically connected in sequence, as shown in fig. 4 and fig. 5. The oscillator 151 generates a base frequency signal, the rf power amplifier 152 amplifies the power of the base frequency signal generated by the oscillator 151 to a set power, the tuner 153 is configured to tune the amplified rf signal output by the rf power amplifier 152, and the electrode 154 radiates the rf signal of the tuner 153 to the object 1000 to be thawed to achieve thawing of the object 1000 to be thawed.
In some embodiments of the present application, the rf generating circuit composed of the oscillator 151, the rf power amplifier 152, the tuner 153 and the electrode 154 is electrically connected to the main power source 13, i.e., the main power source 13 supplies power to the rf generating circuit.
In other embodiments of the present application, the rf thawing assembly 15 further comprises an rf power source 155, the rf power source 155 is electrically connected to the rf power amplifier 152, and as shown in fig. 4 and 5, the rf power source 155 can power an rf generating circuit composed of the oscillator 151, the rf power amplifier 152, the tuner 153, and the electrode 154.
It should be noted that each electronic component in the above-mentioned rf thawing assembly 15 can be controlled by the main control board 12 of the above-mentioned refrigerator 1, and the oscillator 151 in the above-mentioned rf thawing assembly 15 is packaged and disposed on the main control board 12, as shown in fig. 6; or, referring to fig. 4 and 5, the above-mentioned radio frequency thawing assembly 15 further includes a radio frequency controller 157, the radio frequency controller 157 is electrically connected to the radio frequency power source 155, the oscillator 151, and the radio frequency power amplifier 152, respectively, and the oscillator 151 and the radio frequency power amplifier 152 are controlled by the radio frequency controller 157, and the control of the radio frequency thawing assembly 15 is independent from the refrigeration control of the refrigerator 1, and the interference is small; the oscillator 151 of the rf thawing assembly 15 may be packaged on a circuit board on which the rf controller 157 is disposed. Of course, the oscillator 151 may be provided on a separate circuit board.
For the specific installation position of the rf thawing assembly 15, the tuner 153 and the electrode 154 are both disposed in the thawing compartment 500 according to the working principle of the tuner 153 and the electrode 154, as shown in fig. 4, and the installation positions of the oscillator 151, the rf controller 157, the rf power amplifier 152 and the rf power source 155 are designed in various manners.
If the rf power amplifier 152 and the rf power source 155 are both disposed in the compressor compartment 300, as shown in fig. 7, when leakage occurs in the refrigeration cycle 200 and electromagnetic wave leakage occurs in the rf power amplifier 152, there is a risk of explosion, so that the safety of the refrigerator 1 is reduced.
In order to solve the above problem, referring to fig. 4 and 5, in the refrigerator 1 according to the embodiment of the present application, the radio frequency power amplifier 152 is disposed in the main control board mounting cavity 400, the radio frequency power amplifier 152 is disposed by using the original main control board mounting cavity 400, because the radio frequency power amplifier 152 is disposed away from the compressor compartment 300, and the main control board mounting cavity 400 is an independent cavity and isolated from the refrigeration cycle system 200, thereby solving the problem that the refrigeration cycle system 200 leaks and the radio frequency power amplifier 152 leaks electromagnetic waves, so that the refrigerator 1 has an explosion risk and a reduced safety, and does not occupy the thawing compartment 500 or other spaces of the refrigerator 1.
Based on the above scheme, referring to fig. 4, 5 and 8, the installation housing 600 is provided outside the box body 11 of the refrigerator 1 according to the embodiment of the present application, and the radio frequency power source 155 is disposed in the installation housing 600. Because the installation shell 600 is arranged outside the box body 11 of the refrigerator 1 and the compressor bin 300 is positioned in the box body 11, namely the installation shell 600 and the compressor bin 300 are mutually independent, the radio frequency power supply 155 can be completely isolated from the refrigeration cycle system 200, thereby further improving the safety of the refrigerator 1; and the radio frequency power supply 155 is not affected by the heat dissipation of the electronic components in the box body 11, which is beneficial to the heat dissipation of the radio frequency power supply 155 and is suitable for the scheme that the radio frequency power supply 155 generates more heat.
The mounting case 600 is located at any position outside the cabinet 11, and the mounting case 600 is disposed on the top of the cabinet 11 in consideration of the beauty and the transportation and storage, as shown in fig. 4.
For the solution in which the compressor compartment 300 protrudes toward the rear side of the case 11 (i.e., the back plate side of the case), the mounting case 600 may also be disposed on the back plate of the case 1, and the back plate of the mounting case 600 may be designed to be flush with the compressor compartment 300 or not to exceed the compressor compartment 300.
It should be noted that the radio frequency power supply 155 may also be disposed in the main control board mounting cavity 400, and the radio frequency power supply 155 is disposed in the original main control board mounting cavity, because the radio frequency power supply 155 is disposed away from the compressor compartment 300, and the main control board mounting cavity 400 is an independent cavity, and is isolated from the refrigeration cycle system 200, the safety of the refrigerator 1 may also be further improved, and the refrigerator does not occupy the thawing compartment 500 or other spaces of the refrigerator 1, and is suitable for a scheme with a small heat generation amount of the radio frequency power supply 155.
The installation location of the rf power amplifier 152 is not limited to the main control board installation cavity 400. If the rf power amplifier 152 generates a large amount of heat, the rf power amplifier 152 may be disposed in the mounting case 600. If the amount of heat generated by the rf power amplifier 152 is small, the rf power amplifier 152 may be disposed in the main control board installation cavity 400. The radio frequency power amplifier 152 is disposed at each of the two different positions to further improve the safety of the refrigerator 1.
Similarly, in some embodiments of the present application, for the rf thawing assembly 15 having the rf controller 157, the rf controller 157 may also be disposed in the main control board installation cavity 400 or the installation housing 600, which can further improve the safety of the refrigerator 1 and facilitate heat dissipation.
Also, in consideration of the safety of the refrigerator 1 and the heat dissipation of the oscillator 151 described above, the present application provides the oscillator 151 in the main control board mounting chamber 400 or the mounting case 600.
For the radio frequency controller 157, the oscillator 11, the radio frequency power amplifier 152 and the radio frequency power source 155 are collectively placed in the main control board installation cavity 400 or the installation shell 600, the length of the connecting line between the radio frequency controller 157 and the radio frequency power amplifier 152 and the length of the connecting line between the radio frequency controller 157 and the radio frequency power source 155 are both short, so that the cost is low; and a heat dissipation device can be adopted to simultaneously dissipate heat of the radio frequency controller 157, the oscillator 11, the radio frequency power amplifier 152 and the radio frequency power supply 155, so that the structure is further simplified, and the cost is reduced.
The connection lines between the main control board 12 or the rf controller 157 and the rf power source 155, the oscillator 151, the rf power amplifier 152, and the tuner 153 are communication lines.
It should be noted that, for the rf thawing assembly 15 with the rf controller 157, referring to fig. 4, fig. 5 and fig. 9, the oscillator 151, the rf power amplifier 152 and the rf controller 157 in the rf thawing assembly 15 may all be disposed on the same circuit board, and the integration level is high; of course, the oscillator 151, the rf power amplifier 152, and the rf controller 157 in the rf thawing assembly 15 may be disposed on different circuit boards.
In addition, referring to fig. 4, the refrigerator 1 according to the embodiment of the present application further includes a switch device 156, and the switch device 156 is used for controlling on/off of the rf power source 155, that is, controlling the rf power source 155 to supply power or stop supplying power. When the radio frequency power supply 155 stops supplying power, the whole radio frequency thawing assembly 15 stops running, so that the interference on normal refrigeration of the refrigerator 1 is reduced, the radio frequency thawing assembly 15 can be prevented from being touched by mistake, and the safety is high. The switch device 156 may be a control switch such as a relay or a breaker, or the switch device 156 may be a switch circuit such as a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET) Transistor switch circuit.
In some embodiments, referring to fig. 10, the main power supply 13 and the rf power supply 155 are disposed on the same circuit board, and different output voltages are output by using the same transformer and different numbers of turns, so that the cost is low. For the refrigerator 1 with other auxiliary power supplies, the auxiliary power supply may also be disposed on the circuit board on which the main power supply 13 and the rf power supply 155 are disposed.
Of course, the main power supply 13 and the rf power supply 155 may be provided on different circuit boards. Similarly, the auxiliary power source may be disposed on the circuit board where the main power source 13 is located, or on the circuit board where the rf power source 155 is located, or on a separate circuit board.
When the refrigerator 1 operates the defrosting function, the various electronic components in the rf defrosting assembly 15 generate a large amount of heat. Therefore, with reference to fig. 4 and 5, the refrigerator 1 according to the embodiment of the present application further includes a first heat dissipation device 16 for dissipating heat of each electronic component (the main control board 12, the radio frequency power supply 155, the radio frequency power amplifier 152, and the like) in the main control board installation cavity 400, where the first heat dissipation device 16 is disposed in the installation housing 600, and the first heat dissipation device 16 is used for dissipating heat of each electronic component in the installation housing 600, so as to ensure the operational reliability of each electronic component in the installation housing 600. For the arrangement of fig. 8 in which only the rf power source 155 is disposed within the mounting housing, the first heat sink 16 is only used to dissipate heat from the rf power source 155.
The first heat dissipation device 16 may be a liquid-cooled heat sink, a heat pipe exchanger or a heat dissipation fan, wherein the liquid-cooled heat sink or the heat pipe exchanger is used to dissipate heat of each electronic component in the mounting housing 600, so that the heat dissipation speed is fast; the heat dissipation cost is low because the heat dissipation fan is used to dissipate heat of each electronic component in the mounting case 600.
In some embodiments of the present application, the first heat dissipation device 16 is a first heat dissipation fan, the mounting housing 600 is provided with heat dissipation holes, the first heat dissipation fan can guide air outside the mounting housing 600 into the mounting housing 600 to form a heat dissipation airflow, and the heat dissipation airflow is guided out through the heat dissipation holes after exchanging heat with the rf power source 155, so that the heat dissipation efficiency of the heat dissipation power source 155 is high.
It should be noted that, the heat conducting glue is disposed on the circuit board or the housing where each electronic component is located in the installation casing 600, and the heat conducting glue is connected to the wall surface of the installation casing 600, so that heat on the circuit board where each electronic component is located can be conducted to the wall surface of the installation casing 600 for heat dissipation. In order to increase the heat dissipation speed of the installation casing 600, the casing of the installation casing 600 is made of a metal material, and has a high heat conductivity coefficient and a high heat conduction speed.
Similarly, if the heat generation amount of each electronic component (such as the main control board 12 and the rf power amplifier 152) in the main control board installation cavity 400 is high, a heat dissipation device, which may also be a heat dissipation fan, may also be disposed in the main control board installation cavity 400 for heat dissipation.
For example, referring to fig. 4 and 11, a first air inlet 111 and a first air outlet 112 are formed in the box body 11, the first air inlet 111 and the first air outlet 112 are both communicated with the main control board installation cavity 400, the heat dissipation fan is located in the main control board installation cavity 400, the heat dissipation fan can guide air outside the box body 11 into the main control board installation cavity 400 through the first air inlet 111 to exchange heat with each electronic element therein, and then guide heat-exchanged heat dissipation air out of the box body 11 through the first air outlet 112. Of course, when there is one heat dissipation fan, the heat dissipation fan may also be located in the first air inlet hole 111 or the first exhaust hole 112, or there are two heat dissipation fans, one is an air inlet fan and the other is an exhaust fan, the air inlet fan is located in the first air inlet hole 111, and the exhaust fan is located in the first exhaust hole 112.
Correspondingly, heat-conducting glue is arranged on the circuit board or the shell where each electronic component is located in the main control board installation cavity 400, the heat-conducting glue is connected with the wall surface of the main control board installation cavity 400, and heat on the circuit board where each electronic component is located can be conducted to the wall surface of the main control board installation cavity 400 for heat dissipation. In order to increase the heat dissipation speed of the main control board installation cavity 400, the shell of the main control board installation cavity 400 is made of a metal material, and has a high heat conductivity coefficient and a high heat conduction speed.
As for the tuner 153 disposed in the thawing compartment 500, in some embodiments of the present application, the refrigerator 1 further includes a second heat sink 17 disposed in the cabinet 11, and the second heat sink 17 dissipates heat to the thawing compartment 500, so as to ensure the reliability of the operation of the tuner 153.
The second heat dissipation device 17 may be a liquid cooling heat sink, a heat pipe exchanger, or a heat dissipation fan. In some embodiments of the present application, referring to fig. 4 and 11, the second heat dissipation device 17 is a second heat dissipation fan, the box 11 is provided with a second air inlet 113 and a second air outlet 114, both the second air inlet 113 and the second air outlet 114 are communicated with the thawing chamber 500, the second heat dissipation fan is disposed at the second air inlet 113, or the second heat dissipation fan is disposed at the second air outlet 114, or the second heat dissipation fan includes an air inlet fan and an air outlet fan, the air inlet fan is disposed at the second air inlet 113, the air outlet fan is disposed at the second air outlet 114, and the second heat dissipation fan can introduce air outside the box 11 into the thawing chamber 500 through the second air inlet 113, exchange heat with the tuner 153 and the electrode 154 therein, and then guide the heat-exchanged heat dissipation air out of the box 11 through the second air outlet 114. Of course, the second heat dissipation fan may be directly disposed in the thawing compartment 500.
It should be noted that, the first air inlet hole 111, the first air outlet hole 112, the second air inlet hole 113 and the second air outlet hole 114 may be respectively installed with an air door, and the air door controls the opening or closing of the corresponding hole, and when heat dissipation is not required, the air door closes the hole, so as to prevent dust from entering the box body 11 through the hole.
Referring to fig. 4, the refrigerator 1 of the embodiment of the present application further includes a first temperature detecting device 18, the first temperature detecting device 18 being installed at the tuner 153, the first temperature detecting device 18 being for detecting the temperature of the tuner 153.
Taking the rf thawing assembly 15 with the rf controller 157 as an example, the rf controller 157 is electrically connected to the first temperature detecting device 18 and the second cooling fan, and the rf controller 157 is further configured to control the second cooling fan to be turned on or off, or adjust the rotation speed of the second cooling fan, or control the second cooling fan to be turned on or off, and adjust the rotation speed of the second cooling fan according to the temperature value detected by the first temperature detecting device 18.
For example, when the rf thawing function of the refrigerator 1 is turned off or the heat generated by the rf thawing assembly 15 during the rf thawing process is low, the temperature value detected by the first temperature detecting device 18 is low (e.g. lower than the lowest set temperature value), the rf controller 157 may control the second cooling fan to turn off or turn down the rotation speed of the second cooling fan to reduce the power consumption; when the heat generated by the rf thawing component 15 during the rf thawing process is high, the temperature value detected by the first temperature detecting device 18 is high (e.g. higher than the set heat dissipation temperature value), and the rf controller 157 can control the second heat dissipation fan to be turned on or increase the rotation speed of the second heat dissipation fan, so as to ensure the heat dissipation effect of the tuner 153.
When the refrigerator 1 is turned on for the rf thawing function, the wall surface of the thawing compartment 500 may also have a higher temperature. Therefore, the refrigerator 1 according to the embodiment of the present application further includes a first housing 501, the thawing compartment 500 is formed in the first housing 501, the first housing 501 is disposed in the refrigerating compartment 100, and the first housing 501 is located in the freezing compartment 100A as shown in fig. 3; or the first casing 501 is communicated with the refrigeration compartment 100, and the refrigeration capacity in the refrigeration compartment 100 is utilized to perform auxiliary heat dissipation on the thawing compartment 500, so that the thawing compartment 500 can be quickly cooled.
In the embodiment of the present application, the scheme of combining the cooling capacities of the second heat sink 17 and the refrigeration compartment 100 dissipates heat to the thawing compartment 500, and the refrigeration compartment 100 only serves as an auxiliary heat dissipation, so that the temperature of the refrigeration compartment 100 is not greatly affected.
For the scheme of arranging the first housing 501 in the refrigeration compartment 100, the refrigerator 1 further includes a second housing 502, the second housing 502 is sleeved outside the first housing 501, the second housing 502 is located in the refrigeration compartment 100, a cooling port is formed in the second housing 502, the cooling port is communicated with the refrigeration compartment 100, and a damper 5021 is installed at the cooling port. When the air door 5021 is opened, cold air in the refrigerating compartment 100 can enter the second shell 502 and exchange heat with the first shell 501, so that the first shell 501 is cooled; when the temperature of the first housing 501 is low, the first housing 501 does not need to be cooled, and the air door 5021 is closed.
It should be noted that the first casing 501 is made of a metal material, and the metal material not only has a good shielding effect on electromagnetic waves, but also has a good heat conduction performance, and is suitable for the scheme of disposing the first casing 501 in the refrigeration compartment 100.
In order to better control the opening or closing of the damper 5021, the refrigerator 1 further includes a second temperature detecting device 19, and the second temperature detecting device 19 is disposed in the first housing 501 and is used for detecting the temperature of the thawing compartment 500.
Taking the rf thawing assembly 15 with the rf controller 157 as an example, the rf controller 157 is electrically connected to both the second temperature detection device 19 and the air door 5021, and the rf controller 157 can control the opening or closing of the air door 5021 according to the temperature value detected by the second temperature detection device 19.
For example, when the temperature value detected by the second temperature detecting device 19 is higher than the preset heat dissipation temperature, the air door 5021 is controlled to be opened, and the cold energy of the refrigeration compartment 100 is used for performing auxiliary heat dissipation on the first shell 501; when the temperature value detected by the second temperature detecting device 19 is lower than the preset heat dissipation temperature, the air door 5021 is controlled to be closed, and cold air in the refrigerating compartment 100 does not need to enter the second shell 502, so that energy consumption is reduced.
It should be noted that, the first temperature detection device 18 and the second temperature detection device 19 may both adopt temperature sensors, and have small size and sensitive detection, and different types of temperature sensors may be selected according to specific working conditions.
In some embodiments, the object to be thawed 1000 is placed in the thawing compartment 500, and the object to be thawed 1000 is located in the same compartment as the tuner 153 and the electrode 154.
Illustratively, referring to fig. 3, the thawing compartment 500 is partitioned into an equipment housing compartment 500A and a thawing housing compartment 500B, the tuner 153 is disposed in the equipment housing compartment 500A, the electrode 154 is disposed in the thawing housing compartment 500B, and the object to be thawed 1000 is also disposed in the thawing housing compartment 500B.
Accordingly, the first temperature detection device 18 described above is provided in the equipment housing compartment 500A, and the second temperature detection device 19 is provided in the defrosting housing compartment 500B.
When a user inputs a thawing command through the control panel 14, the main control panel 12 or the radio frequency controller 157 receives the thawing command, controls the opening of the dampers at the second air inlet 113 and the second air outlet 114, and simultaneously starts the second heat dissipation device 17, and then turns on the radio frequency power supply 155, the radio frequency power supply 155 supplies power to a radio frequency generation circuit composed of the oscillator 151, the radio frequency power amplifier 152, the tuner 153, and the electrode 154, the oscillator 151 generates a fundamental frequency signal, the radio frequency power amplifier 152 amplifies the power of the fundamental frequency signal generated by the oscillator 151 to a set power, the tuner 153 tunes the amplified radio frequency signal output by the radio frequency power amplifier 152, and the electrode 154 radiates the radio frequency signal of the tuner 153 to the object 1000 to be thawed, thereby thawing the object 1000 to be thawed.
In the thawing process, when the temperature value of the tuner 153 detected by the first temperature detecting device 18 is higher than the set heat dissipation temperature value, the second heat dissipation fan is controlled to be turned on or kept turned on, and the rotating speed of the second heat dissipation fan is adjusted according to the temperature range of the detected temperature value; when the temperature value of the tuner 153 detected by the first temperature detecting device 18 is lower than the lowest set temperature value, the second cooling fan is controlled to be turned off. Meanwhile, when the temperature value of the thawing compartment 500 detected by the second temperature detection device 19 is higher than the preset heat dissipation temperature, the air door 5021 on the second shell 502 is controlled to be opened; when the temperature value of the thawing compartment 500 detected by the second temperature detecting device 19 is lower than the preset heat dissipation temperature, the air door 5021 on the second casing 502 is controlled to be closed.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A refrigeration storage device, comprising:
a main control board;
a main power supply electrically connected with the main control board;
the box body is internally provided with mutually independent unfreezing compartments and a main control board installation cavity;
the radio frequency unfreezing assembly comprises a radio frequency power supply, a radio frequency power amplifier, a tuner and an electrode which are sequentially and electrically connected, wherein the radio frequency power supply is electrically connected with the radio frequency power amplifier and arranged on the same circuit board as the main power supply, the main control board and the radio frequency power amplifier are both positioned in the main control board mounting cavity, and the tuner and the electrode are both mounted in the unfreezing chamber;
the installation shell is arranged outside the box body, and the radio frequency power supply and the circuit board where the main power supply is located are arranged in the installation shell.
2. The refrigerated storage unit of claim 1 further comprising:
the first heat dissipation device is arranged in the installation shell and used for dissipating heat in the installation shell.
3. The apparatus according to claim 2, wherein the first heat dissipation device is a first heat dissipation fan, the mounting housing has heat dissipation holes, and the first heat dissipation fan is configured to introduce air into the mounting housing to form a heat dissipation airflow, and the heat dissipation airflow is guided out through the heat dissipation holes after exchanging heat with the rf power supply and the main power supply.
4. The refrigerated storage unit of claim 1 further comprising:
and the second heat dissipation device is arranged in the box body and is used for dissipating heat for the thawing compartment.
5. The refrigeration storage device as claimed in claim 4, wherein the second heat dissipation device is a second heat dissipation fan, the box body is provided with an air inlet and an air outlet both communicated with the thawing compartment, the second heat dissipation fan is located at the air inlet and/or the air outlet, and the second heat dissipation fan can introduce air outside the box body into the thawing compartment through the air inlet, exchange heat with the tuner and the electrode, and then lead out through the air outlet.
6. The refrigerated storage unit of claim 5 further comprising:
a first temperature detecting device installed at the tuner and for detecting a temperature of the tuner;
the main control board is electrically connected with the first temperature detection device and the second cooling fan, and is further used for controlling the second cooling fan to be turned on or off and/or adjusting the rotating speed of the second cooling fan according to the temperature value detected by the first temperature detection device.
7. The refrigerated storage unit of claim 1 wherein the cabinet further includes a plurality of refrigerated compartments therein, further comprising:
the first shell is internally provided with the unfreezing chamber, and the first shell is positioned in the refrigerating chamber or communicated with the refrigerating chamber.
8. The refrigerated storage unit of claim 7 further comprising:
the second casing, the second casing is located the refrigeration room is indoor, first casing is located in the second casing, set up on the second casing with the cooling opening of refrigeration room intercommunication, cooling opening department installs the air door.
9. The refrigerated storage unit of claim 8 further comprising:
a second temperature detection device provided in the first housing and configured to detect a temperature inside the thawing compartment;
the main control board is electrically connected with the second temperature detection device and the air door, and is used for controlling the opening or closing of the air door according to the temperature value detected by the second temperature detection device.
10. The refrigerated storage unit of claim 1 further comprising:
and the switch device is used for controlling the on-off of the radio frequency power supply.
CN202120286186.7U 2020-12-02 2021-02-01 Refrigeration storage device Active CN214371189U (en)

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CN2020113917283 2020-12-02
CN202022932438 2020-12-09
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CN202120285840.2U Active CN215063114U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281912.6U Active CN214620252U (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
CN202120285814.XU Active CN214371186U (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
CN202120286186.7U Active CN214371189U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120283919.1U Active CN214371183U (en) 2020-12-02 2021-02-01 Radio frequency power supply impedance matching system and unfreezing refrigerator
CN202110139046.1A Active CN113915861B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120281991.0U Active CN214371180U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285897.2U Active CN215113424U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285862.9U Active CN216522584U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110106949.XA Active CN113915857B (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
CN202110139049.5A Active CN113915864B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120283248.9U Active CN214371182U (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
CN202120281916.4U Active CN214665466U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286137.3U Active CN214371188U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110136614.2A Pending CN113915823A (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
CN202120286190.3U Active CN214371190U (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
CN202110135731.7A Active CN113915935B (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202110139047.6A Pending CN113915862A (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285896.8U Active CN214665468U (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
CN202110136665.5A Active CN113915937B (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
CN202120283917.2U Active CN214582001U (en) 2020-12-02 2021-02-01 Radio frequency thawing apparatus and refrigerator
CN202110135734.0A Pending CN113915860A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202120285812.0U Active CN214371184U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110136637.3A Pending CN113915936A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof

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CN202120285840.2U Active CN215063114U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120281912.6U Active CN214620252U (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
CN202120285814.XU Active CN214371186U (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

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CN202120283919.1U Active CN214371183U (en) 2020-12-02 2021-02-01 Radio frequency power supply impedance matching system and unfreezing refrigerator
CN202110139046.1A Active CN113915861B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120281991.0U Active CN214371180U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202120285897.2U Active CN215113424U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120285862.9U Active CN216522584U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202110106949.XA Active CN113915857B (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
CN202110139049.5A Active CN113915864B (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120283248.9U Active CN214371182U (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
CN202120281916.4U Active CN214665466U (en) 2020-12-02 2021-02-01 A kind of refrigerator
CN202120286137.3U Active CN214371188U (en) 2020-12-02 2021-02-01 Refrigeration storage device
CN202110136614.2A Pending CN113915823A (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
CN202120286190.3U Active CN214371190U (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
CN202110135731.7A Active CN113915935B (en) 2020-12-02 2021-02-01 Thawing refrigerator and control method thereof
CN202110139047.6A Pending CN113915862A (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202120285896.8U Active CN214665468U (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
CN202110136665.5A Active CN113915937B (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
CN202120283917.2U Active CN214582001U (en) 2020-12-02 2021-02-01 Radio frequency thawing apparatus and refrigerator
CN202110135734.0A Pending CN113915860A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof
CN202120285812.0U Active CN214371184U (en) 2020-12-02 2021-02-01 Radio frequency thawing refrigerator
CN202110136637.3A Pending CN113915936A (en) 2020-12-02 2021-02-01 Refrigerator and control method thereof

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