CN114543432A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
- Publication number
- CN114543432A CN114543432A CN202011309561.1A CN202011309561A CN114543432A CN 114543432 A CN114543432 A CN 114543432A CN 202011309561 A CN202011309561 A CN 202011309561A CN 114543432 A CN114543432 A CN 114543432A
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- Prior art keywords
- unfreezing
- container
- thawing
- refrigerator
- transducer
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000007605 air drying Methods 0.000 claims abstract description 9
- 238000010257 thawing Methods 0.000 claims description 94
- 238000005086 pumping Methods 0.000 claims description 10
- 230000003111 delayed effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000004321 preservation Methods 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 239000003507 refrigerant Substances 0.000 description 5
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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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)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention provides a refrigerator and a control method thereof, and belongs to the technical field of household appliances. The refrigerator includes a cabinet defining a storage chamber; the unfreezing container is arranged in the storage chamber and is used for containing food materials; the unfreezing device is connected with the unfreezing container and is used for unfreezing food materials; and the vacuumizing device is communicated with the unfreezing container and is used for vacuumizing the unfreezing container to take away moisture generated during unfreezing. The control method comprises the following steps: and unfreezing and air drying while opening the vacuumizing device to exhaust air while starting the unfreezing device to work. The invention can carry away the redundant water and prolong the preservation time while unfreezing.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a refrigerator and a control method thereof.
Background
In the related art, a refrigerator is provided with a thawing chamber, food can be thawed, ultrasonic thawing, heating thawing, radio frequency thawing and the like are common, some water can be generated during thawing in the thawing process and is left on a thawing tray, and a thawed product needs to be eaten as soon as possible, and the food can be damaged if people forget to eat for a long time.
Disclosure of Invention
The present invention solves at least one of the technical problems of the related art to some extent.
Therefore, the present disclosure is directed to a refrigerator and a control method thereof, which can remove excessive moisture while thawing and prolong a fresh-keeping time.
A refrigerator according to an aspect of the present disclosure includes: a case defining a storage chamber; the unfreezing container is arranged in the storage chamber and is used for containing food materials; the unfreezing device is connected with the unfreezing container and is used for unfreezing food materials; and the vacuumizing device is communicated with the unfreezing container and is used for vacuumizing the unfreezing container to take away moisture generated during unfreezing.
According to the embodiment of the refrigerator disclosed by the disclosure, the side wall of the unfreezing container is provided with a plurality of air inlet micropores.
According to an embodiment of the refrigerator of the present disclosure, further comprising: the drain pipe is arranged on the box body; the vacuum extractor is in communication with the drain pipe to exhaust the extracted gas from the drain pipe.
According to an embodiment of the refrigerator of the present disclosure, the vacuum pumping device has a suction pipe communicating with the thawing container, and an exhaust pipe communicating with the drain pipe.
According to an embodiment of the refrigerator of the present disclosure, the vacuum apparatus is installed on an outer wall of the thawing container or on an inner wall of the storage compartment.
According to an embodiment of the refrigerator of the present disclosure, the thawing container includes: a housing defining a thawing chamber; the unfreezing tray is arranged in the unfreezing chamber and is used for containing food materials; the thawing apparatus includes: the ultrasonic module is arranged on the box body and used for generating ultrasonic signals; and the ultrasonic vibrator is arranged on the unfreezing plate and is electrically connected with the ultrasonic module so as to unfreeze the food material by generating corresponding ultrasonic waves in the unfreezing chamber according to the ultrasonic signals.
According to an embodiment of the refrigerator of the present disclosure, the ultrasonic module may alternately generate ultrasonic signals whose propagation directions are axial and radial; the ultrasonic vibrator comprises a first transducer and a second transducer, wherein the first transducer can generate axial ultrasonic waves in the thawing chamber according to axial ultrasonic signals, and the second transducer can generate radial ultrasonic waves in the thawing chamber according to radial ultrasonic signals.
According to the embodiment of the refrigerator disclosed by the disclosure, the first transducer and the second transducer are respectively provided with a plurality of transducers, in addition, the first transducer is installed on the same plane, and the second transducer is installed on the same plane.
According to a control method of a refrigerator of another aspect of the present disclosure, the refrigerator includes: a case defining a storage chamber; the unfreezing container is arranged in the storage chamber and is used for containing food materials; the unfreezing device is connected with the unfreezing container and is used for unfreezing food materials; the vacuumizing device is communicated with the unfreezing container and is used for vacuumizing the unfreezing container to take away moisture generated during unfreezing; the control method comprises the following steps: and unfreezing and air drying while opening the vacuumizing device to exhaust air while starting the unfreezing device to work.
According to an embodiment of the control method of the refrigerator of the present disclosure, the refrigerator further includes: the temperature sensor is arranged on the top wall of the unfreezing chamber and used for sensing the surface temperature of the food material; the steps of unfreezing and air drying at the same time specifically comprise: starting a thawing device, acquiring a target temperature set by a user, and simultaneously opening a vacuumizing device; the thawing means is turned off when the sensed temperature of the temperature sensor is greater than the target temperature, and the vacuum means may be turned off following the turn-off or delayed by several seconds.
Advantageous effects
According to this disclosure, through connect evacuating device on the container that unfreezes, evacuating device bleeds when unfreezing for form the air current of convection current in the container that unfreezes, the wind speed of air current is very fast moreover, and a large amount of steam is taken away in the container that unfreezes, and partial water also can be evaporated out because of the reason of the interior steam saturation of container that unfreezes, thereby reduces the water that melts and flow out along with eating the material, guarantees that the edible material surface after unfreezing is dry and comfortable, has prolonged fresh-keeping time.
According to the present disclosure, the plurality of air inlet micropores are formed in the side wall of the thawing container, so that when the vacuum pumping device pumps air, airflow flow is formed inside and outside the thawing container, and the air drying speed can be further increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention 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 invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of a refrigerator according to an embodiment of the present disclosure;
fig. 2 is a front view of a refrigerator according to an embodiment of the present disclosure;
fig. 3 is a sectional view of a thawing container of a refrigerator according to an embodiment of the present disclosure;
fig. 4 is a perspective view of a defrosting container of a refrigerator according to an embodiment of the present disclosure;
fig. 5 is a bottom view of a defrosting tray of a refrigerator according to an embodiment of the present disclosure;
in the above figures: 1. a refrigerator; 10. a box body; 11. a storage chamber; 20. a door; 30. a cooling device; 31. a compressor; 32. a condenser; 33. an expander; 34. an evaporator; 40. a drain pipe; 100. thawing the container; 110. a housing; 111. air inlet micropores; 112. an interface; 120. a door cover; 130. a defrosting tray; 210. an ultrasonic module; 220. an ultrasonic vibrator; 221. a first transducer; 222. a second transducer; 300. a vacuum pumping device; 310. a vacuum pump; 320. an air exhaust pipe; 330. and (4) exhausting the gas.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
The side of the refrigerator facing the user when in use is defined as the front side, and the opposite side is defined as the rear side.
Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, a refrigerator 1 includes: a cabinet 10 defined with a storage chamber 11 capable of storing articles, the storage chamber 11 may provide at least one of a refrigerating chamber and a freezing chamber; a door 20 installed at a front end of the cabinet 10, the door 20 being rotatably or movably provided to open/close the storage chamber 11; and a cooling device 30 for cooling the storage chamber 11.
The cooling device 30 includes a compressor 31 for compressing the refrigerant, a condenser 32 for condensing the compressed refrigerant, an expander 33 for expanding the condensed refrigerant, and an evaporator 34 for evaporating the expanded refrigerant to take away heat, and the compressor 31, the condenser 32, the expander 33, and the evaporator 34 constitute a cold cycle in which cooling air is supplied into the storage chamber 11. As a general component, a fan may be installed at a position adjacent to the evaporator 34 to forcibly circulate air to blow cool air generated at the evaporator 34 into the storage chamber 11. The freezing load is controlled by adjusting the blowing amount and blowing direction of the fan, the amount of refrigerant circulated, or the compression frequency of the compressor, so that the temperatures of the refrigerating chamber and the freezing chamber can be controlled.
Further, a thawing container 100 for thawing food materials may be installed in the storage chamber 11 of the case 1.
The thawing container 100 is movably installed in the storage chamber 11 so that the thawing container 100 can be withdrawn from the storage chamber 11. Alternatively, the thawing container 100 may be fixedly installed in the storage chamber 11.
Hereinafter, the thawing container 100 will be described in detail with reference to the accompanying drawings.
Referring to fig. 3 and 4, the thawing container 100 includes a case 110, a door 120, and a thawing tray 130.
The case 110 defines an external appearance of the defrosting container 100, and the case 110 is installed in the storage chamber 11 of the refrigerator cabinet 10.
The housing 110 has an opening formed at an upper end thereof, and a thawing chamber a is defined in the housing 110.
For example, the case 110 may have a rectangular parallelepiped shape in which the thawing chamber a is formed. Five other faces of the housing 110 may be closed, except for the plane of the opening. The door 120 is rotatably connected to the opening, and the housing 110 can be opened and closed by turning up or down the door 120.
Alternatively, the opening may be formed at the front end of the housing 110, and accordingly, the door cover 120 may be rotatably coupled to the front end of the housing 110 in a lateral or vertical direction.
The thawing tray 130 is installed in the thawing chamber a of the case 110, and serves to contain food materials to be thawed.
The refrigerator 1 may include a thawing apparatus for thawing food material using ultrasonic waves, and the thawing apparatus specifically includes an ultrasonic module 210 for generating an ultrasonic signal, and an ultrasonic vibrator 220 electrically connected to the ultrasonic module 210 to form corresponding ultrasonic waves according to the ultrasonic signal.
The ultrasonic module 210 is provided on the case 10, and the ultrasonic transducer 220 is provided on the outer bottom surface of the thawing tray 130.
The ultrasonic module 210 can generate ultrasonic signals with multiple propagation directions during the thawing process, for example, the propagation directions of the ultrasonic signals are at 0 °, 30 °, 60 °, 90 ° or other angles with the vertical direction of the thawing apparatus 100.
Specifically, the ultrasonic module 210 may alternately generate an axial wave signal and a radial wave signal, and accordingly, the ultrasonic vibrator 220 includes a first transducer 221 that may generate an axial ultrasonic wave in the thawing chamber a according to the axial wave signal, and a second transducer 222 that may generate a radial ultrasonic wave in the thawing chamber a according to the radial wave signal.
In some embodiments of the present disclosure, the first transducer 221 and the second transducer 222 may have a plurality to improve thawing efficiency; furthermore, the first transducer 221 is mounted on the same side of the same plane, and the second transducer 222 is mounted on the same side of the same plane, so as to avoid ultrasound interference from multiple similar transducers.
The thawing apparatus may further comprise a temperature sensor provided at a top position of the thawing chamber a for sensing a surface temperature of the food material of the thawing chamber a. The temperature sensor senses the surface temperature of the food material in the thawing chamber A once every 5 minutes, and whether the thawing of the food material is finished or not is judged according to the comparison between the detected temperature and the preset target temperature.
The unfreezing process of the unfreezing device comprises the following steps: opening the container after thawing; acquiring a target temperature set by a user; the ultrasonic module starts to work at the optimal unfreezing power, axial wave signals and radial wave signals are alternately generated in the unfreezing process, and the unfreezing time is shortened and the temperature uniformity of food materials is improved due to the multi-directional ultrasonic unfreezing; the temperature sensor senses the surface temperature of the food material every 5 minutes, and the thawing device is turned off when the detected temperature is greater than the target temperature.
In the present embodiment, the thawing power P is 30W, the time T1 at which the axial wave signal is generated is 25S, and the time T2 at which the radial wave signal is generated is 20S.
It should be noted that the above description has been made only by taking the ultrasonic thawing as an example of the thawing apparatus, but the thawing apparatus of the present disclosure is also applicable to heating thawing, radio frequency thawing, and the like.
The refrigerator 1 may include a vacuum pumping device 300 provided outside the thawing container 100 for pumping air inside the thawing container 100.
Evacuating device 300 carries out the processing of bleeding when thawing apparatus unfreezes, because the operation of evacuation function, form the air current of convection current in thawing chamber A, and the wind speed of air current is very fast under evacuating device 300's effect, a large amount of steam is taken out in thawing chamber A like this, some water also can evaporate out because of thawing chamber A in the reason of steam saturation, thereby the water that melts when reducing to unfreeze flows to thawing tray 130 along eating the material, guarantee that the edible material surface after unfreezing is dry and comfortable, the food material of keeping fresh has been prolonged simultaneously.
In some embodiments of the present disclosure, a plurality of air inlet micro holes 111 are formed through the sidewall of the casing 110, so that when the vacuum extractor 300 extracts air, air flow can be formed inside and outside the thawing chamber a through the air inlet micro holes 111, and the air drying speed is further increased.
The vacuum apparatus 300 may be a vacuum pump 310, a suction pipe 320 and an exhaust pipe 330 are connected to the vacuum pump 310, the vacuum pump 310 is communicated with the casing 110 through the suction pipe 320, and the exhaust pipe 330 is connected to the drain pipe 40 of the refrigerator 1. The gas with moisture pumped out from the thawing chamber a by the vacuum pump 310 is discharged to the drain pipe 40 through the exhaust pipe 330.
Specifically, a port 112 communicating with the thawing chamber a is provided on the wall of the casing 110, and the suction pipe 320 is connected at the port 112.
The vacuum pump 310 is installed on an inner wall of the storage chamber 11, or the vacuum pump 310 may be installed on an outer wall of the housing 110.
The air extraction process of the vacuum extractor comprises the following steps: and starting air suction by the vacuum pumping device while thawing, and closing the vacuum pumping device correspondingly or after delaying for ten seconds after thawing results.
This refrigerator of this disclosure utilizes the evacuation function to air-dry when unfreezing, takes away partial moisture, can also prolong fresh-keeping time simultaneously, has solved the problem that the water that melts when unfreezing among the correlation technique stays on unfreezing dish 130.
The control method of the refrigerator according to one embodiment of the disclosure comprises a defrosting and air drying step which starts the defrosting device to work and simultaneously opens the vacuumizing device to perform air suction.
According to the control method, the vacuumizing device is used for exhausting air while thawing, so that convective air flow is formed in the thawing container, the air speed of the air flow is very high, a large amount of water vapor in the thawing container is taken away, and part of water is evaporated due to the saturation of the water vapor in the thawing container, so that the flow of the melted water along the food material is reduced, the surface of the thawed food material is dry and comfortable, and the preservation time is prolonged.
The air drying while unfreezing step specifically comprises the following steps: the defrosting device is started, the target temperature set by a user is obtained, the vacuumizing device is turned on at the same time, the defrosting device is turned off when the sensing temperature of the temperature sensor is higher than the target temperature, and the vacuumizing device can be turned off along with the turning off or delayed for a few seconds.
After the thawing device is started, the ultrasonic module starts to work at thawing power P of 30W, axial wave signals and radial wave signals are generated alternately in the thawing process, the time T1 for generating the axial wave signals is 25S, and the time T2 for generating the radial wave signals is 20S. Multidirectional ultrasonic thawing shortens the thawing time and improves the temperature uniformity of food materials.
In addition, in the process of unfreezing, the temperature sensor senses the surface temperature of the food material in the unfreezing chamber once every 5 minutes, when the sensed temperature is higher than the target temperature, the fact that the food material is unfrozen is judged, the unfreezing device is turned off, and the vacuumizing device is turned off along with the turning off or is turned off after being delayed for tens of seconds.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should 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; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A refrigerator, characterized by comprising:
a case defining a storage chamber;
the unfreezing container is arranged in the storage chamber and is used for containing food materials;
the unfreezing device is connected with the unfreezing container and is used for unfreezing food materials; and
and the vacuumizing device is communicated with the unfreezing container and is used for vacuumizing the unfreezing container to take away moisture generated during unfreezing.
2. The refrigerator as claimed in claim 1, wherein a plurality of air inlet micro holes are formed on a sidewall of the thawing container.
3. The refrigerator according to claim 1, further comprising:
the drain pipe is arranged on the box body;
the vacuum extractor is in communication with the drain pipe to exhaust the extracted gas from the drain pipe.
4. The refrigerator according to claim 3, wherein the vacuum pumping means has a pumping pipe communicating with the thawing container, and an exhaust pipe communicating with the drain pipe.
5. The refrigerator of claim 1, wherein the vacuum pumping means is installed on an outer wall of the thawing container or on an inner wall of the storage compartment.
6. The refrigerator according to claim 1, wherein the defrosting container includes:
a housing defining a thawing chamber; and
the unfreezing tray is arranged in the unfreezing chamber and is used for containing food materials;
the thawing apparatus includes:
the ultrasonic module is arranged on the box body and used for generating ultrasonic signals; and
and the ultrasonic vibrator is arranged on the unfreezing disc and is electrically connected with the ultrasonic module so as to unfreeze food materials by generating corresponding ultrasonic waves in the unfreezing chamber according to ultrasonic signals.
7. The refrigerator of claim 6, wherein the ultrasonic module can alternately generate ultrasonic signals with propagation directions of axial and radial directions;
the ultrasonic vibrator comprises a first transducer and a second transducer, wherein the first transducer can generate axial ultrasonic waves in the thawing chamber according to axial ultrasonic signals, and the second transducer can generate radial ultrasonic waves in the thawing chamber according to radial ultrasonic signals.
8. The refrigerator according to claim 7, wherein the first transducer and the second transducer are provided in plurality, and the first transducer is installed on the same plane and the second transducer is installed on the same plane.
9. A control method of a refrigerator, characterized in that the refrigerator comprises:
a case defining a storage chamber;
the unfreezing container is arranged in the storage chamber and is used for containing food materials;
the unfreezing device is connected with the unfreezing container and is used for unfreezing food materials; and
the vacuumizing device is communicated with the unfreezing container and is used for vacuumizing the unfreezing container to take away moisture generated during unfreezing;
the control method comprises the following steps: and unfreezing and air drying while opening the vacuumizing device to exhaust air while starting the unfreezing device to work.
10. The method of controlling a refrigerator according to claim 9, wherein the refrigerator further comprises: the temperature sensor is arranged on the top wall of the unfreezing chamber and used for sensing the surface temperature of the food material;
the steps of unfreezing and air drying simultaneously specifically comprise: starting a thawing device, acquiring a target temperature set by a user, and simultaneously opening a vacuumizing device; the thawing means is turned off when the sensed temperature of the temperature sensor is greater than the target temperature, and the vacuum means may be turned off following the turn-off or delayed by several seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309561.1A CN114543432A (en) | 2020-11-20 | 2020-11-20 | Refrigerator and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011309561.1A CN114543432A (en) | 2020-11-20 | 2020-11-20 | Refrigerator and control method thereof |
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| Publication Number | Publication Date |
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| CN114543432A true CN114543432A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011309561.1A Pending CN114543432A (en) | 2020-11-20 | 2020-11-20 | Refrigerator and control method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63167776A (en) * | 1986-12-27 | 1988-07-11 | Nippon Light Metal Co Ltd | Thawing and device therefor |
| 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 |
| CN209042845U (en) * | 2018-11-22 | 2019-06-28 | 江西元一制冷设备集团有限公司 | One kind having freezing equipment Intelligent Switching Device |
| CN111345427A (en) * | 2020-04-23 | 2020-06-30 | 长虹美菱股份有限公司 | Thawing device and method thereof |
| CN211204586U (en) * | 2019-12-12 | 2020-08-07 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111623574A (en) * | 2020-05-12 | 2020-09-04 | 珠海格力电器股份有限公司 | Freezing method and freezing equipment |
-
2020
- 2020-11-20 CN CN202011309561.1A patent/CN114543432A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63167776A (en) * | 1986-12-27 | 1988-07-11 | Nippon Light Metal Co Ltd | Thawing and device therefor |
| 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 |
| CN209042845U (en) * | 2018-11-22 | 2019-06-28 | 江西元一制冷设备集团有限公司 | One kind having freezing equipment Intelligent Switching Device |
| CN211204586U (en) * | 2019-12-12 | 2020-08-07 | 海信（山东）冰箱有限公司 | Refrigerator with a door |
| CN111345427A (en) * | 2020-04-23 | 2020-06-30 | 长虹美菱股份有限公司 | Thawing device and method thereof |
| CN111623574A (en) * | 2020-05-12 | 2020-09-04 | 珠海格力电器股份有限公司 | Freezing method and freezing equipment |
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| Title |
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