CN106721903A - A kind of application of ultrasonic wave thawing equipment, method and its defrost of opening ice - Google Patents

A kind of application of ultrasonic wave thawing equipment, method and its defrost of opening ice Download PDF

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Publication number
CN106721903A
CN106721903A CN201710079483.2A CN201710079483A CN106721903A CN 106721903 A CN106721903 A CN 106721903A CN 201710079483 A CN201710079483 A CN 201710079483A CN 106721903 A CN106721903 A CN 106721903A
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CN
China
Prior art keywords
ultrasonic wave
cabinet
defrosting
freeze
thawing
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710079483.2A
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Chinese (zh)
Inventor
曾中苏
吉洋
徐斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Jiasheng Fresh-Preservation Technology Co Ltd
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Hunan Jiasheng Fresh-Preservation Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hunan Jiasheng Fresh-Preservation Technology Co Ltd filed Critical Hunan Jiasheng Fresh-Preservation Technology Co Ltd
Priority to CN201710079483.2A priority Critical patent/CN106721903A/en
Publication of CN106721903A publication Critical patent/CN106721903A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • A23L3/363Freezing; Subsequent thawing; Cooling the materials not being transported through or in the apparatus with or without shaping, e.g. in form of powder, granules, or flakes
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, 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
    • A23L3/00Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/36Freezing; Subsequent thawing; Cooling
    • A23L3/365Thawing subsequent to freezing
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01HSTREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H5/00Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
    • E01H5/12Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow with or without clearing or removing ; Roughening ice or hard snow by means of tools
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/02Cleaning or keeping clear the surface of open water; Apparatus therefor from ice otherwise than according to E02B1/003
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/16Devices for removing snow or ice from lines or cables
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Civil Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Architecture (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)

Abstract

The present invention relates to deforst technique, the application of specifically a kind of ultrasonic wave thawing equipment, method and its defrost of opening ice, wherein ultrasonic wave thawing equipment includes body and the freeze space being arranged on body, the freeze space include defrosting cabinet and can frozen food refrigerator, ultrasonic wave thawing apparatus is provided with the defrosting cabinet, the ultrasonic wave thawing apparatus will freeze shatter on the frozen food under freezing environment in defrosting cabinet, the nutriment in food can be avoided to outflow with water, so as to ensure that the genuineness of food, it is in good taste, improve the efficiency of defrosting.Ultrasonic wave defreezing method of the invention can be applied to ocean, river, highway, railway, bridge, electric power, telecommunication line and open ice, can also be applied to the defrost of freeze tunnel, quick freezing repository, refrigerator, air-conditioning condenser, not only opening ice, the time is short, efficiency high, and energy consumption is low, easy to operate.

Description

A kind of application of ultrasonic wave thawing equipment, method and its defrost of opening ice
Technical field
The present invention relates to deforst technique field, specifically a kind of ultrasonic wave thawing equipment, method and its defrost of opening ice Using.
Background technology
Food defrosting at this stage mainly has following four method:1st, air thawing:This method does not need special defrosting Equipment, naturally to thaw in the air for being simply simply placed at room temperature by frozen food, this method are because air heat transfer coefficient Low, heat transfer is slow, and thawing time is very long, so being easily caused bacterial reproduction, influences the quality of food.2nd, warm hydrolysis Freeze:This method is also without special thawing equipment, it is only necessary to frozen food is directly placed into the container for being equipped with warm water In thawed, although do so can shorten thawing time, the protein vitamin in food can be made to incur loss, together When can also accelerate the carcinogenic generation such as propionic aldehyde.3rd, water thawing is circulated:This method is only needed also without special thawing equipment Under frozen food is placed on into tap or circulating water, with the normal-temperature water for circulating to food defrosting, can so accelerate The conduction of heat, shortens thawing time, but this method is that ice cube is dissolved from table and to inner, and efficiency is still inadequate, The nutrient solution in food is lost in, and water resource waste is serious.4th, microwave thawing:This method is also without special defrosting Equipment, it is only necessary to which a micro-wave oven just, makes the polar molecule in frozen food quickly rotate using electromagnetic wave, mutually vibration, Friction, clash into and produce substantial amounts of heat energy, frozen food is generated heat simultaneously to table from inner, what is be exceedingly fast shortens thawing time, this High temperature rapidly defreezing method, the moisture for melting ice crystal is lost in intracellular soluble component, makes flavour of food products and nutrient solution It is a large amount of to be lost in, seriously reduce food quality.
The content of the invention
For above-mentioned technical problem, present invention offer is a kind of to ensure that food nutrient composition is not lost in and thawing time is short Ultrasonic wave thawing equipment.
The technical solution used in the present invention is:A kind of ultrasonic wave thawing equipment, including body and be arranged on body Freeze space, the freeze space include defrosting cabinet and can frozen food refrigerator, be provided with the defrosting cabinet ultrasonic wave defrosting Device, the ultrasonic wave thawing apparatus will freeze shatter on the frozen food under freezing environment in defrosting cabinet.
Preferably, at least one outside of the defrosting cabinet cabinet is provided with the ultrasonic wave thawing apparatus.
Preferably, at least one outside of the defrosting cabinet cabinet is provided with cabinet, the ultrasonic wave is installed in cabinet Thawing apparatus.
Preferably, offering several air vents on the cabinet, fan is installed on air vent.
Preferably, the ultrasonic wave thawing apparatus include supersonic generator and match with the supersonic generator surpass Acoustic wave transducer, the ultrasonic transducer is arranged on defrosting cabinet cabinet outside.
Preferably, the ac signal of the supersonic generator output is delivered to after variable transformer step-down up-flow The ultrasonic transducer.
Preferably, the cabinet uses closed sound-insulating and heat-insulating casing, muffler is connected with the air vent.
The present invention also provides a kind of ultrasonic wave defreezing method, and it is the vibrations using ultrasonic wave by the jelly under freezing environment Ice, jelly frost are shatter.
Preferably, carrying out step-down up-flow to input signal before being additionally included in output ultrasonic wave.
The present invention provides a kind of application of the defrost of opening ice of above-mentioned ultrasonic wave defreezing method again, and methods described can be applied to sea Ocean, river, highway, railway, bridge, electric power, telecommunication line open ice, and can also be applied to freeze tunnel, quick freezing repository, refrigerator, sky Adjust the defrost of condenser.
As can be known from the above technical solutions, the present invention is to utilize ultrasonic wave in the environment of temperature is less than 0 DEG C under freezing environment Vibrations will freeze shatter on frozen food, in the process, on the one hand because temperature is low, freezing will not be melted into water, can The nutriment in food is avoided to outflow with water, it is in good taste so as to ensure that the genuineness of food;On the other hand, freeze logical Cross ultrasonic wave high-frequency vibrations it is shatter after, quickly form trash ice, or even in flakes chip, therefore it is attached on food Power is smaller, it is easy to depart from food, so as to reach the purpose of quick-thawing, improves the efficiency of defrosting.
Brief description of the drawings
Fig. 1 is the structural representation of thawing equipment of the present invention.
Fig. 2 is the structural representation of the defrosting cabinet of thawing equipment of the present invention.
Specific embodiment
The present invention is elaborated with reference to Fig. 1 and Fig. 2, illustrative examples of the invention and explanation herein is used It is to explain the present invention but not as a limitation of the invention.
A kind of ultrasonic wave thawing equipment, including body 1 and the freeze space 2 being arranged on body, freeze space temperature are less than 0 DEG C, freeze space can install ozone generator, to the food sterilization in it, it is ensured that food never degenerates;The freeze space 2 includes thawing Cabinet 21 and can frozen food refrigerator 22, refrigerator can make the food in it quickly freeze freezing, setting on the defrosting cabinet There is ultrasonic wave thawing apparatus 3, the ultrasonic wave thawing apparatus is quick by freezing on the frozen food under freezing environment in defrosting cabinet It is shatter, so as to reach the purpose of quick-thawing.
In implementation process, at least one outside of the cabinet of defrosting cabinet 21 is provided with the ultrasonic wave thawing apparatus 3, by Cabinet floor is typically placed in food, therefore is optimum way, defrosting efficiency high in outer side bottom surface arrangement ultrasonic wave thawing apparatus; In order to further improve defrosting effect, can also be in other one, two, three, four sides of cabinet, even top surface arrangement ultrasonic wave solution Freeze device.
Specifically, cabinet 22 can be set on the cabinet of defrosting cabinet 21 outer side, the ultrasonic wave is installed in cabinet and is thawed Device 3, to facilitate installation, maintenance, maintenance;Several air vents 23 should be also offered on cabinet, fan 24 is installed on air vent, So as to the heat produced in the ultrasonic wave thawing apparatus course of work quickly be dispersed, it is to avoid the temperature of freeze space is raised;Meanwhile, machine Case uses closed sound-insulating and heat-insulating casing, and on the one hand the heat outside stop enters freeze space, on the other hand reduces ultrasonic wave solution Freeze device work noise, and the joint noise reduction device 25 on the air vent, further reduce noise.
Ultrasonic wave thawing apparatus 3 of the invention includes supersonic generator 31 and the ultrasound matched with the supersonic generator Wave transducer 32, the high-frequency ac electric signal that civil power is converted into matching with ultrasonic transducer by the supersonic generator, from And drive ultrasonic transducer to work;The ac signal of input is then converted into mechanical shock i.e. ultrasonic wave by ultrasonic transducer Pass again afterwards.Ultrasonic transducer is close to defrosting cabinet cabinet outside by the present invention, vibrations is transferred in defrosting cabinet Food, reaches the purpose of defrosting.
In implementation process, the ac signal of the supersonic generator output is after the step-down up-flow of variable transformer 33 The ultrasonic transducer is delivered to, voltage can be down to 36-110v, and this mode is not changing ultrasonic transducer input power On the premise of so that ultrasonic transducer heating is reduced, and security is improved;Preferably, being additionally provided with the body fresh-keeping Area 4, can be directly prepared into domestic refrigerator by freeze-thaw equipment of the invention.
The ultrasonic wave defreezing method that the present invention is provided is consistent with the principle of thawing equipment of the invention, is to utilize ultrasonic wave Vibrations will freeze, freeze that frost etc. is shatter under freezing environment, such as will freeze shatter on frozen food, trash ice is easily departed from food, The purpose of defrosting is reached, and step-down up-flow is carried out to input signal using variable transformer before output ultrasonic wave, to reduce hair Heat, improves security.
Ultrasonic wave defreezing method of the invention can be applied to ocean, river, highway, railway, bridge, electric power, telecommunication line Open ice, can also be applied to the defrost of freeze tunnel, quick freezing repository, refrigerator, air-conditioning condenser, the time of not only opening ice is short, efficiency high, It is easy to operate and energy consumption is low.
The technical scheme for being provided the embodiment of the present invention above is described in detail, specific case used herein Principle and implementation method to the embodiment of the present invention are set forth, and the explanation of above example is only applicable to help and understands this The principle of inventive embodiments;Simultaneously for those of ordinary skill in the art, according to the embodiment of the present invention, in specific embodiment party Be will change in formula and range of application, in sum, this specification content should not be construed as limiting the invention.

Claims (10)

1. a kind of ultrasonic wave thawing equipment, including body and the freeze space being arranged on body, it is characterised in that:The freeze space Including defrosting cabinet and can frozen food refrigerator, be provided with ultrasonic wave thawing apparatus on the defrosting cabinet, the ultrasonic wave thaw Device will freeze shatter on the frozen food under freezing environment in defrosting cabinet.
2. ultrasonic wave thawing equipment as claimed in claim 1, it is characterised in that:At least one outside of the defrosting cabinet cabinet is set There is the ultrasonic wave thawing apparatus.
3. ultrasonic wave thawing equipment as claimed in claim 2, it is characterised in that:At least one outside of the defrosting cabinet cabinet is set There is cabinet, the ultrasonic wave thawing apparatus is installed in cabinet.
4. ultrasonic wave thawing equipment as claimed in claim 3, it is characterised in that:Several air vents are offered on the cabinet, is led to Fan is installed in air holes.
5. the ultrasonic wave thawing equipment as described in claim 2 to 4, it is characterised in that:The ultrasonic wave thawing apparatus includes ultrasound Wave producer and the ultrasonic transducer matched with the supersonic generator, the ultrasonic transducer are arranged on outside defrosting cabinet cabinet Side.
6. ultrasonic wave thawing equipment as claimed in claim 5, it is characterised in that:The exchange telecommunications of the supersonic generator output Number through variable transformer step-down up-flow after be delivered to the ultrasonic transducer.
7. ultrasonic wave thawing equipment as claimed in claim 4, it is characterised in that:The cabinet uses closed sound-insulating and heat-insulating case Body, muffler is connected with the air vent.
8. a kind of ultrasonic wave defreezing method, its be using the vibrations of ultrasonic wave by freezing under freezing environment, to freeze frost shatter.
9. ultrasonic wave defreezing method according to claim 8, it is characterised in that:It is additionally included in before output ultrasonic wave to input Signal carries out step-down up-flow.
10. a kind of application of the defrost of opening ice of ultrasonic wave defreezing method described in claim 8 or 9, methods described can be applied to sea Ocean, river, highway, railway, bridge, electric power, telecommunication line open ice, and can also be applied to freeze tunnel, quick freezing repository, refrigerator, sky Adjust the defrost of condenser.
CN201710079483.2A 2017-02-16 2017-02-16 A kind of application of ultrasonic wave thawing equipment, method and its defrost of opening ice Pending CN106721903A (en)

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109083078A (en) * 2018-09-07 2018-12-25 上海海事大学 It is a kind of to be removably mounted at the ice-breaking snow-removing apparatus of driving mechanically
CN109631464A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109619374A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109631452A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109631465A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109619373A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109619369A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method for refrigerator
CN109631451A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109631450A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus and refrigerator with the thawing apparatus
CN109619372A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109619370A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and thawing apparatus
CN109619371A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109631463A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN110274434A (en) * 2018-03-16 2019-09-24 松下电器研究开发(苏州)有限公司 Refrigerator and its control method
CN111854282A (en) * 2020-07-20 2020-10-30 珠海格力电器股份有限公司 Freezing and thawing refrigerator and freezing and thawing method

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CN109631463A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109619374A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109619371B (en) * 2017-10-09 2022-03-04 青岛海尔智能技术研发有限公司 Thawing device
CN109619373B (en) * 2017-10-09 2022-01-28 青岛海尔智能技术研发有限公司 Ultrasonic unfreezing control method and refrigerator
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CN109619369A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method for refrigerator
CN109631451A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109631450A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus and refrigerator with the thawing apparatus
CN109619372A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109619370A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and thawing apparatus
CN109619371A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Thawing apparatus
CN109619369B (en) * 2017-10-09 2022-03-04 青岛海尔智能技术研发有限公司 Ultrasonic unfreezing control method for refrigerator
CN109631464A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Refrigerator
CN109631452A (en) * 2017-10-09 2019-04-16 青岛海尔智能技术研发有限公司 Ultrasonic wave unfreezing control method and refrigerator
CN109631464B (en) * 2017-10-09 2021-05-25 青岛海尔智能技术研发有限公司 Refrigerator with a door
CN109631452B (en) * 2017-10-09 2021-06-22 青岛海尔智能技术研发有限公司 Ultrasonic unfreezing control method and refrigerator
CN109631463B (en) * 2017-10-09 2021-06-22 青岛海尔智能技术研发有限公司 Refrigerator with a door
CN109631451B (en) * 2017-10-09 2021-07-27 青岛海尔智能技术研发有限公司 Refrigerator with a door
CN109631450B (en) * 2017-10-09 2021-07-27 青岛海尔智能技术研发有限公司 Thawing device and refrigerator with same
CN109631465B (en) * 2017-10-09 2021-08-13 青岛海尔智能技术研发有限公司 Refrigerator with a door
CN109619370B (en) * 2017-10-09 2022-01-25 青岛海尔智能技术研发有限公司 Ultrasonic thawing control method and thawing device
CN109619374B (en) * 2017-10-09 2022-01-25 青岛海尔智能技术研发有限公司 Thawing device
CN110274434A (en) * 2018-03-16 2019-09-24 松下电器研究开发(苏州)有限公司 Refrigerator and its control method
CN109083078A (en) * 2018-09-07 2018-12-25 上海海事大学 It is a kind of to be removably mounted at the ice-breaking snow-removing apparatus of driving mechanically
CN111854282A (en) * 2020-07-20 2020-10-30 珠海格力电器股份有限公司 Freezing and thawing refrigerator and freezing and thawing method

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