CN110285616A - The control method of refrigerator - Google Patents

The control method of refrigerator Download PDF

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Publication number
CN110285616A
CN110285616A CN201910493577.3A CN201910493577A CN110285616A CN 110285616 A CN110285616 A CN 110285616A CN 201910493577 A CN201910493577 A CN 201910493577A CN 110285616 A CN110285616 A CN 110285616A
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CN
China
Prior art keywords
compressor
refrigerator
defrost
evaporator
control method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910493577.3A
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Chinese (zh)
Other versions
CN110285616B (en
Inventor
曾凡星
宋清波
何战峰
沈文涛
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.)
Qingdao Haier Refrigerator Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Refrigeration Electric Appliance Co Ltd
Original Assignee
Qingdao Haier Co Ltd
Qingdao Haier Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier Co Ltd, Qingdao Haier Refrigerator Co Ltd filed Critical Qingdao Haier Co Ltd
Priority to CN201910493577.3A priority Critical patent/CN110285616B/en
Publication of CN110285616A publication Critical patent/CN110285616A/en
Application granted granted Critical
Publication of CN110285616B publication Critical patent/CN110285616B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F25B47/022Defrosting cycles hot gas defrosting
    • 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
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • 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
    • F25D29/00Arrangement or mounting of control or safety devices
    • 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
    • F25D2321/00Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141Removal by evaporation
    • F25D2321/1411Removal by evaporation using compressor heat

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Defrosting Systems (AREA)

Abstract

The present invention provides a kind of control methods of refrigerator.The refrigerator includes compressor and evaporator, and the evaporator includes evaporation tube road and condenser pipe;The evaporation tube road is configured to reception refrigerant and freezes;The import of the condenser pipe is controllably connected to the outlet of the compressor by valve, and the import of compressor described in the outlet of the condenser pipe heats the evaporator to receive the refrigerant from the compressor;And the control method includes: the first defrost step: after compressor closing, the valve is opened, so that the refrigerant in the compressor enters the condenser pipe.High-temperature exhaust air heat " heating " evaporator during compressor shutdown is subjected to defrost, replaces electric heating wire, power consumption is reduced, improves heat of compressor utilization efficiency, it is energy saving.

Description

The control method of refrigerator
Technical field
The present invention relates to technical field of refrigeration equipment, more particularly to a kind of control method of refrigerator.
Background technique
With the development and the improvement of people's living standards of social economy, refrigerator becomes can not in people's daily life Or scarce household electrical appliance.In household wind-cooling electric refrigerator, when refrigerator operation a period of time needing defrost, press is shut down, and is located at Defrost heater strip/pipe below evaporator, which is powered, carrys out the progress defrost of heating evaporation device, when defrosting sensor reaches setting temperature, Defrost heater strip/pipe power-off, defrost terminate.Specifically, defrost and convalescence power consumption increment account for about the 10%- of total power consumption 15%, and this part power consumption increment is needed using defrost heater strip/Guan Jinhang defrost as caused by defrost heater strip/pipe Additional consumption electric energy, is unfavorable for energy-saving and emission-reduction.And the defrost time must also be carried out according to the actual situation during defrost tight The regulation of lattice, simultaneously because defrost heater strip temperature is higher, if evaporator of refrigerator falls off, it will defrost heater strip is caused to burn The risk of liner.
Summary of the invention
In view of the above problems, invention is proposed to overcome the above problem in order to provide one kind or at least be partially solved above-mentioned The control method of the refrigerator of problem.
Specifically, the present invention provides a kind of control methods of refrigerator.The refrigerator includes compressor and evaporator, described Evaporator includes evaporation tube road and condenser pipe;The evaporation tube road is configured to reception refrigerant and freezes;The condenser pipe Import the outlet of the compressor is controllably connected to by valve, compressor described in the outlet of the condenser pipe into Mouthful, the evaporator is heated to receive the refrigerant from the compressor;And the control method includes:
First defrost step: the compressor closing after, open the valve so that the refrigerant in the compressor into Enter the condenser pipe.
Optionally, the control method further includes the second defrost step: the temperature of the evaporator is detected, in the evaporation The temperature of device be lower than the first preset temperature value, and the compressor shut-in time be more than the first preset duration when, open the pressure Contracting machine.
Optionally, the control method further includes stopping defrost step: the temperature of the evaporator is detected, in the evaporation When the temperature of device reaches the second preset temperature value, the valve is closed.
Optionally, the control method further includes refrigeration for refrigerator step: after closing second preset duration of valve, being opened The compressor is opened, so that the evaporation tube road receives refrigerant and freezes.
Optionally, before the first defrost step further include:
First enters defrost step: judging whether the refrigerator needs defrost according to preset condition, is determining the refrigerator It needs to close the compressor when defrost, or first closes the throttling set of the refrigerator when determining that the refrigerator needs defrost, The compressor is closed after third preset duration.
Optionally, before the first defrost step further include:
Second enters defrost step: being judged whether to meet the compressor according to the temperature in the storage room of the refrigerator Halt condition, the compressor is closed if the halt condition for meeting the compressor.
Optionally, the preset condition include the refrigerator runing time be more than four preset durations when determine described in Refrigerator needs defrost.
Optionally, the humidity of the environment according to locating for the refrigerator determines the 4th preset duration.
Optionally, the refrigerator further includes defrosting sensor, is configured to detect the temperature of the evaporator;And the control Method further include:
According to the defrosting sensor, whether failure determines the 4th preset duration.
Optionally, the evaporation tube road includes multiple first straight pipes disposed in parallel;
The condenser pipe includes multiple second straight pipes disposed in parallel, described in each first straight pipe and one The setting of second straight pipe parallel contact;
The interior diameter of the condenser pipe is less than the interior diameter of the evaporation tube road.
In the control method of refrigerator of the invention, since evaporator is internally provided with condenser pipe, condenser pipe be can receive High temperature refrigerant defrosts to evaporator, that is, makes full use of press high-temperature exhaust air to replace defrost heater strip/pipe, thus reduction White power consumption increment.And the heat having using compressor high-temperature exhaust air itself passes through when reaching certain condition and needing defrost Pipeline switching and its specific evaporator, are used for the defrost of evaporator, energy-saving and emission-reduction.That is, by during compressor shutdown High-temperature exhaust air heat " heating " evaporator carries out defrost, replaces electric heating wire, reduces power consumption, improves heat of compressor benefit It is energy saving with efficiency.Further, heater strip can not also be installed, defrost heater strip can be solved while reducing energy consumption and burnt The risk of liner.
Further, it can also just be evaporated using the high-temperature exhaust air heat in compressor after each compressor shutdown Device can sufficiently improve capacity usage ratio.Before each needs defrost, the evaporation tube road or condensation of evaporator can be evacuated as much as possible Refrigerant in pipeline improves refrigerant utilization rate.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter The above and other objects, advantages and features of the present invention.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter. Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the schematic refrigerant system figure of refrigerator according to an embodiment of the invention;
Fig. 2 is the schematic elevational view of evaporator in refrigerator shown in Fig. 1;
Fig. 3 is the schematic side elevation of evaporator in refrigerator shown in Fig. 1;
Fig. 4 is the schematic flow chart of the control method of refrigerator shown in Fig. 1.
Specific embodiment
Fig. 1 is the schematic refrigerant system figure of refrigerator according to an embodiment of the invention.As shown in Figure 1, and referring to Fig. 2 And Fig. 3, the embodiment of the invention provides a kind of refrigerator, which may include cabinet, and storage room is defined in cabinet, is also had For being opened and closed the door body of storage room.Wherein, storage room may include refrigerator room, freezing compartment, alternating temperature compartment, such as ability Known to field technique personnel, the indoor temperature of refrigerator is typically between 2 DEG C to 10 DEG C, is preferably 4 DEG C to 7 DEG C.Freezing Between indoor temperature range be typically in -22 DEG C to -14 DEG C.Alternating temperature compartment can arbitrarily be transferred to -18 DEG C to 8 DEG C.It is different types of The best storage temperature of article is not identical, and the position of suitable storage is not also identical, such as fruit and vegetable is suitable for depositing in Refrigerator room, and meat food is suitable for depositing in freezing compartment.Door body can be the refrigerator room door for being opened and closed refrigerator room Body, freezing compartment's door body for being opened and closed freezing compartment or the alternating temperature compartment door body for being opened and closed alternating temperature compartment.
Refrigerator also has refrigeration system, and refrigerant system configuration provides cooling capacity to storage room.Refrigeration system may include pressure Contracting machine 10, condensing unit, throttling set 40 and evaporator 30.
As shown in Figures 2 and 3, evaporator 30 may include evaporation tube road 31 and fin 32.Evaporation tube road 31 is configured to receive Refrigerant freezes.Evaporator 30 further includes condenser pipe 33, and condenser pipe 33 closes on the setting of evaporation tube road 31 or condenser pipe 33 at least partly pipeline section is posted by evaporation tube road 31, is configured to receive the frost on gaseous coolant heating evaporation device 30.Such as it is cold The extending direction of at least partly pipeline section of solidifying pipeline 33 can be consistent with the extending direction of the pipeline section of the corresponding portion of evaporation tube road 31, That is at least partly pipeline section of condenser pipe 33 is consistent with the structure of the pipeline section of the corresponding portion of evaporation tube road 31, and corresponding portion is flat Row setting.Preferably, at least partly pipeline section of condenser pipe 33 is 75% or more pipeline section of condenser pipe 33.
The import 34 of evaporation tube road 31 is connected to the outlet of throttling set 40, and the outlet 35 of evaporation tube road 31 is connected to compressor 10 Import.The import 36 of condenser pipe 33 is controllably connected to the outlet of compressor 10, the outlet of condenser pipe 33 by valve 11 The import of 37 connection compressors 10.The high-temperature gas refrigerant for receiving the compressor from refrigerator is needed using high-temperature gas refrigerant Condensation and heat release carrys out the frost on heating evaporation device 30.Condenser pipe 33 can receive high temperature refrigerant and defrost to evaporator 30, i.e., Press high-temperature exhaust air is made full use of to replace defrost heater strip/pipe, to reduce defrost power consumption increment.
In some embodiments of the invention, evaporation tube road 31 includes multiple first straight pipes disposed in parallel.Condenser pipe Road 33 includes multiple second straight pipes disposed in parallel, and each first straight pipe and a second straight pipe parallel contact are arranged. The interior diameter of condenser pipe 33 is less than the interior diameter of evaporation tube road 31.Fin 32 can be multiple and arranged in parallel, and each Fin 32 is perpendicular to the first straight pipe;Condenser pipe 33 and evaporation tube road 31 are installed on multiple fins 32.It is settable on fin 32 There are multiple mounting holes, two rows can be arranged to, and then evaporation tube road 31 is made to be installed into two rows of composition double-row type evaporators.
Further, refrigerator further includes liquid storage packet 50 and condensing unit.The outlet 35 of evaporation tube road 31 and condenser pipe 33 Inlet communication of the outlet 37 with liquid storage packet 50.The import of the outlet compressor 10 of liquid storage packet 50.Liquid storage packet 50 and pressure Pipeline between contracting machine 10 is compressor return air pipe.Throttling set 40 is capillary.And capillary and compressor return air pipe heat connect It connects.The outlet of the inlet communication compressor 10 of condensing unit, the import of the outlet throttling set 40 of condensing unit.Condensation dress Set condenser 21 and dew removing tube 22 including being serially connected.Device for drying and filtering is provided between condensing unit and throttling set 40 23.Valve 11 is preferably solenoid valve.
For example, in some embodiments of the invention, when normal freezer refrigeration system recycles, refrigerant is followed by compressor 10, after the evaporation tube road 31 in condensing unit, throttling set 40 and evaporator 30, compressor 10 is returned.When refrigerator runs one section Time (such as 10h, 15h, this value need to be obtained in conjunction with specific refrigerator by experimental verification, not left with defrost finisher 30 residual Frost is advisable), during compressor 10 is shut down, valve 11 is opened, and 10 high-temperature exhaust air of compressor can enter the condensation in evaporator 30 Pipeline 33, the frost on heating evaporation device 30, i.e. defrost, gas or liquid coolant after defrost enter liquid storage packet 50, store up at this time Liquid packet 50 can suitably be done greatly, avoid compressor 10 that liquid hammer occurs.High-temperature exhaust air heat during compressor 10 being shut down " adds Heat " evaporator carries out defrost, replaces electric heating wire, reduces power consumption, energy saving.Further, can also further start Compressor 10 carries out more thorough defrost.
Fig. 4 is the schematic flow chart of the control method of refrigerator shown in Fig. 1.As shown in figure 4, the embodiment of the present invention also provides A kind of control method of refrigerator, control method include the first defrost step: after the closing of compressor 10, Open valve 11, with The refrigerant in compressor 10 is set to enter condenser pipe 33.That is when compressor 10 close after, can Open valve 11 make to compress The refrigerant of machine 10 enters condenser pipe 33 under the action of system pressure itself, carries out heating defrosting to evaporator 30.Compressor 10 during refrigeration for refrigerator, due to the import of the outlet compressor 10 of condenser pipe 33, then compressor 10 can be to cold Solidifying pipeline 33 has certain evacuation effect, to enter at defrost initial stage convenient for the high temperature refrigerant in compressor 10.
Preferably, further include first before the first defrost step into defrost step: refrigerator is judged according to preset condition Whether defrost is needed, close compressor 10 when determining that refrigerator needs defrost, or ice is first closed when determining that refrigerator needs defrost The throttling set of case, close compressor 10 after third preset duration.Preset condition can need the condition of defrost, example for evaporator 30 Such as temperature of the accumulated running time of compressor 10, evaporator 30.Third preset time can be 5s etc..Optionally, compressor The 10 certain inertia rotations having, can promote refrigerant to enter condenser pipe 33.
In some embodiments, preset condition includes determining refrigerator when the runing time of refrigerator is more than four preset durations Need defrost.4th preset duration can be 10h etc., need to be obtained in conjunction with specific refrigerator by experimental verification, with defrost finisher 30, which do not leave residual frost, is advisable.
In some embodiments of the invention, the control method of refrigerator further includes the second defrost step: detection evaporator 30 Temperature, be lower than the first preset temperature value in the temperature of evaporator 30, and 10 shut-in time of compressor is more than the first preset duration When, open compressor 10.The temperature of evaporator 30 can be detected by defrosting sensor.The control method of refrigerator further includes stoppingization White step: the temperature of detection evaporator 30 closes valve 11 when the temperature of evaporator 30 reaches the second preset temperature value, if Compressor 10 is in the open state, can simultaneously close off compressor.After refrigerator completes defrost, refrigerator needs to freeze, then refrigerator Control method further includes refrigeration for refrigerator step: after closing 11 second preset duration of valve, compressor 10 is opened, so that evaporation tube Road 31 receives refrigerant and freezes.The case where first preset temperature value can be 8 DEG C, this value can be according to different regions etc. can be adjusted It is whole.Second preset temperature value can be equal with the first preset temperature value, can not also wait.First preset duration can be 20min etc..Second Preset duration can be 7min etc..
In some embodiments of the invention, preset condition includes when the runing time of refrigerator is more than four preset durations Determine that refrigerator needs defrost.In order to preferably make refrigerator work, it can determine that the 4th is default according to the humidity of the environment locating for refrigerator Duration, and whether failure determines the 4th preset duration according to defrosting sensor.When ambient humidity is bigger, the 4th it is default when Length can shorten.Such as, when humidity 75%-85%, 7h enters defrost;When 85%-90%, 5h enters defrost.Wherein humidity and defrost Entry time is both needed to that specific refrigerator is combined specifically to determine, adjustable.If defrosting sensor failure, failure defrost mould can be entered Formula determines that the 4th preset duration is 8h (this value is adjustable).
Further include the second entrance defrost step before the first defrost step in some alternative embodiments of the invention: Judge whether the halt condition for meeting compressor 10 according to the temperature in the storage room of refrigerator, if meeting the shutdown of compressor 10 Condition then close compressor 10.Can defrost be carried out to evaporator 30 when i.e. each compressor 10 stops, to prevent evaporator 30 Frosting.Second enters defrost step and first may be used in combination into defrost step.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly Determine or deduce out many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes It is set to and covers all such other variations or modifications.

Claims (10)

1. a kind of control method of refrigerator, which is characterized in that the refrigerator includes compressor and evaporator, and the evaporator includes Evaporation tube road and condenser pipe;The evaporation tube road is configured to reception refrigerant and freezes;The import of the condenser pipe passes through Valve is controllably connected to the outlet of the compressor, the import of compressor described in the outlet of the condenser pipe, to receive Refrigerant from the compressor heats the evaporator;And the control method includes:
First defrost step: after compressor closing, the valve is opened, so that the refrigerant in the compressor enters institute State condenser pipe.
2. the control method of refrigerator according to claim 1, which is characterized in that further include:
Second defrost step: detecting the temperature of the evaporator, is lower than the first preset temperature value in the temperature of the evaporator, and When the compressor shut-in time is more than the first preset duration, the compressor is opened.
3. the control method of refrigerator according to claim 1 or 2, which is characterized in that further include:
Stop defrost step: detecting the temperature of the evaporator, when the temperature of the evaporator reaches the second preset temperature value, Close the valve.
4. the control method of refrigerator according to claim 3, which is characterized in that further include:
Refrigeration for refrigerator step: after closing second preset duration of valve, the compressor is opened, so that the evaporation tube road Refrigerant is received to freeze.
5. the control method of refrigerator according to claim 1, which is characterized in that also wrapped before the first defrost step It includes:
First enters defrost step: judging whether the refrigerator needs defrost according to preset condition, is determining the refrigerator needs The compressor is closed when defrost, or the throttling set of the refrigerator, third are first closed when determining that the refrigerator needs defrost The compressor is closed after preset duration.
6. the control method of refrigerator according to claim 1, which is characterized in that also wrapped before the first defrost step It includes:
Second enters defrost step: being judged whether to meet stopping for the compressor according to the temperature in the storage room of the refrigerator Machine condition closes the compressor if the halt condition for meeting the compressor.
7. the control method of refrigerator according to claim 5, which is characterized in that
The preset condition includes determining the refrigerator needs when the runing time of the refrigerator is more than four preset durations Frost.
8. the control method of refrigerator according to claim 7, which is characterized in that
The 4th preset duration is determined according to the humidity of environment locating for the refrigerator.
9. the control method of refrigerator according to claim 7, which is characterized in that the refrigerator further includes defrosting sensor, It is configured to detect the temperature of the evaporator;And the control method further include:
According to the defrosting sensor, whether failure determines the 4th preset duration.
10. the control method of refrigerator according to claim 1, which is characterized in that
The evaporation tube road includes multiple first straight pipes disposed in parallel;
The condenser pipe includes multiple second straight pipes disposed in parallel, each first straight pipe and one described second The setting of straight pipe parallel contact;
The interior diameter of the condenser pipe is less than the interior diameter of the evaporation tube road.
CN201910493577.3A 2019-06-06 2019-06-06 Control method of refrigerator Active CN110285616B (en)

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CN201910493577.3A CN110285616B (en) 2019-06-06 2019-06-06 Control method of refrigerator

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CN110285616B CN110285616B (en) 2021-04-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115950075A (en) * 2022-12-22 2023-04-11 珠海格力电器股份有限公司 Defrosting control method and device for refrigeration equipment

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Publication number Priority date Publication date Assignee Title
JPH04340072A (en) * 1991-05-16 1992-11-26 Daikin Ind Ltd Off-cycle defrosting device
CN101743449A (en) * 2007-06-29 2010-06-16 伊莱克斯家用产品公司 Hot gas defrost method and apparatus
CN102393104A (en) * 2011-10-31 2012-03-28 合肥美的荣事达电冰箱有限公司 Refrigerator and condenser/evaporator assembly
CN202734367U (en) * 2012-07-06 2013-02-13 海尔集团公司 Refrigerating circuit and refrigerating equipment using heat of condensation to defrost
CN107917570A (en) * 2016-10-11 2018-04-17 松下电器产业株式会社 Refrigerator and its control method

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Publication number Priority date Publication date Assignee Title
JP4340072B2 (en) * 2003-01-17 2009-10-07 株式会社ジーシーシー Radio wave interception prevention system, radio wave interception prevention method, and wall material

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04340072A (en) * 1991-05-16 1992-11-26 Daikin Ind Ltd Off-cycle defrosting device
CN101743449A (en) * 2007-06-29 2010-06-16 伊莱克斯家用产品公司 Hot gas defrost method and apparatus
CN102393104A (en) * 2011-10-31 2012-03-28 合肥美的荣事达电冰箱有限公司 Refrigerator and condenser/evaporator assembly
CN202734367U (en) * 2012-07-06 2013-02-13 海尔集团公司 Refrigerating circuit and refrigerating equipment using heat of condensation to defrost
CN107917570A (en) * 2016-10-11 2018-04-17 松下电器产业株式会社 Refrigerator and its control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115950075A (en) * 2022-12-22 2023-04-11 珠海格力电器股份有限公司 Defrosting control method and device for refrigeration equipment

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