CN107044756B - The anti-freeze control method of air door and refrigerator - Google Patents
The anti-freeze control method of air door and refrigerator Download PDFInfo
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- CN107044756B CN107044756B CN201710194241.8A CN201710194241A CN107044756B CN 107044756 B CN107044756 B CN 107044756B CN 201710194241 A CN201710194241 A CN 201710194241A CN 107044756 B CN107044756 B CN 107044756B
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
- F25D21/08—Removing frost by electric heating
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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
- F25D29/00—Arrangement or mounting of control or safety devices
- F25D29/003—Arrangement or mounting of control or safety devices for movable devices
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- 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)
- Defrosting Systems (AREA)
Abstract
A kind of control method that air door is anti-freeze and refrigerator, the anti-freeze control method of the air door include: to obtain the defrost state of refrigerator；When defrost state is to exit the defrost period, refrigeration air door is opened after the first preset time；After the second preset time of refrigeration door opening, refrigeration chamber is opened；After refrigeration chamber reaches default shutoff temperature, refrigeration air door is closed.The anti-freeze another control method of the air door includes: to obtain the temperature of refrigerator room；When the temperature of refrigerator room is preset temperature, refrigeration air door is opened；After refrigerating door opening, refrigeration chamber is opened；After refrigeration chamber reaches default shutoff temperature, refrigeration air door is closed.The refrigerator realizes the anti-freeze control of the air door in refrigerator room using above-mentioned control method.The anti-freeze control method of above-mentioned air door and refrigerator, effectively can avoid air door from freezing on the basis of not opening heater strip, and energy consumption is reduced on the basis of guaranteeing refrigerator reliability and reduces production cost.
Description
Technical field
The present invention relates to the technical fields of refrigeration equipment, more particularly to a kind of control method and use that air door is anti-freeze
The refrigerator that the control method is realized.
Background technique
Currently, frost-free refrigerator is the refrigerator using air-cooled design, the principle of wind cooling refrigerator is freezed using air,
When high temperature air flows through built-in evaporator (separating with refrigerator inner wall), since air themperature is high, evaporator temperature is low, the two is straight
The exchange of sending and receiving heat, the temperature of air will reduce.Meanwhile cold air is blown into refrigerator.Wind cooling refrigerator be exactly pass through it is this constantly
Endless form, to reduce the temperature of refrigerator.
With the development of economy, wind cooling refrigerator is more more and more universal in life.The air-cooled ice of the major part developed at present
Case is all made of single system multi-cycle control mode, and refrigerating chamber controls refrigeration demand by the start-stop of air door.But such control
Mode is frequently accompanied by the problem of air door low temperature freezes.
To avoid problems, major part refrigerator is all made of the mode in air door back arrangement heater strip to avoid wind at present
Door freezes.Although such mode is safe and reliable, energy consumption of refrigerator is but increased with it, greatly cause the waste of electric energy and at
This valuableness.
Summary of the invention
Based on this, it is necessary to for the high and expensive technical problem of energy consumption, provide a kind of control that air door is anti-freeze
Method and the refrigerator of the anti-freeze control using the air door in the anti-freeze control method realization refrigerator room of air door.
A technical solution of the invention is: a kind of control method that air door is anti-freeze, the anti-freeze control method of the air door
It include: the defrost state for obtaining refrigerator；When the defrost state is to exit the defrost period, opened after the first preset time cold
Hide air door；After the second preset time of the refrigeration door opening, refrigeration chamber is opened；When the refrigeration chamber reaches
After default shutoff temperature, the refrigeration air door is closed.
It is described after the second preset time of the refrigeration door opening in one of the embodiments, open refrigerating chamber
Refrigeration, comprising: after the second preset time of the refrigeration door opening, while starting the compressor of refrigerator and the blower of refrigerator
To open refrigeration mode；The shutoff temperature of the first cooling cycle of the refrigeration mode is reduced with predetermined amplitude.
The predetermined amplitude is 2 DEG C~3 DEG C in one of the embodiments,.
The shutdown of first cooling cycle that the refrigeration mode is reduced with predetermined amplitude in one of the embodiments,
Temperature, comprising: obtain environment temperature；According to the environment temperature, the first refrigeration of the refrigeration mode is reduced with predetermined amplitude
The shutoff temperature in period.
The shutdown of first cooling cycle that the refrigeration mode is reduced with predetermined amplitude in one of the embodiments,
Temperature, comprising: obtain the operation range value of refrigerator room；According to the operation range value, the refrigeration is reduced with predetermined amplitude
The shutoff temperature of first cooling cycle of mode.
First preset time is 3 minutes~5 minutes in one of the embodiments,.
Second preset time is 2 minutes~3 minutes in one of the embodiments,.
The anti-freeze control method of above-mentioned air door melts air door periphery institute using the heat that refrigerator generates in the defrost period
The frost of knot, while the temperature recovery of freezing chamber can be reduced again, such wind cooling refrigerator can have on the basis of not opening heater strip
Effect avoids air door from freezing, and energy consumption is reduced on the basis of guaranteeing refrigerator reliability and reduces production cost.
It is of the invention another solution is that a kind of control method that air door is anti-freeze, the anti-freeze controlling party of the air door
Method includes: to obtain the temperature of refrigerator room；When the temperature of the refrigerator room is preset temperature, refrigeration air door is opened；Institute
After stating refrigeration door opening, refrigeration chamber is opened；After the refrigeration chamber reaches default shutoff temperature, close described cold
Hide air door.
The preset temperature is less than the default turn-on temperature of the refrigeration chamber in one of the embodiments,.
The default turn-on temperature of the refrigeration chamber is 4.5 DEG C~5.5 DEG C in one of the embodiments, described pre-
If temperature is 3 DEG C~4 DEG C.
The anti-freeze control method of above-mentioned air door passes through when the temperature for detecting refrigerator room is warming up to preset temperature
The means of refrigerator room forced refrigeration extend the opening time of refrigeration air door, such cold wind can enter cold to avoid hot-air
Wind air duct, and freeze in refrigeration air door periphery condensation, energy consumption is reduced on the basis of guaranteeing refrigerator reliability and reduces production
Cost.
It is of the invention another solution is that a kind of refrigerator, the refrigerator control anti-freeze using air door as described above
Method realizes the anti-freeze control of the air door in refrigerator room.
Detailed description of the invention
Fig. 1 is the step schematic diagram for the control method that air door is anti-freeze in one embodiment；
Fig. 2 is the partial structural diagram of wind cooling refrigerator；
Fig. 3 is the control principle schematic diagram of wind cooling refrigerator；
Fig. 4 is the step schematic diagram for the control method that air door is anti-freeze in another embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
Referring to Fig. 1, its step schematic diagram for the anti-freeze control method 10 of air door in one embodiment, the air door are anti-
The control method 10 of icing the following steps are included:
Step S101: the defrost state of refrigerator is obtained.
Specifically, the defrost state of refrigerator referred in a defrost process period, the particular state of defrost work, including
During defrost starts, defrost carries out and defrost terminates.The mode for obtaining the defrost state of refrigerator can be carried out in conjunction with various modes,
Such as the defrost state of refrigerator is obtained by detecting defrost heater strip and defrosting sensor.After getting the defrost state of refrigerator
Carry out storage and analysis processing.
It is illustrated for the wind cooling refrigerator as shown in Fig. 2, being applied by the anti-freeze control method of air door of the invention,
The wind cooling refrigerator is made of compressor, condenser, capillary, evaporator, blower, refrigeration air door, defrost heater strip.Compressor is
Refrigerant pressurization, provides power for refrigeration system.Condenser is the liquefied main place of refrigerant heat dissipation.Capillary-compensated drop
Pressure reduces refrigerant evaporating temperature.Evaporator is the main place of refrigerant vaporization refrigeration.Blower is the air-cooled circulation of refrigerating
Power.Airdoor control refrigeration chamber is refrigerated, air door opening when refrigeration needs to freeze, refrigerated storage temperature reaches rear air door and closes.
Defrost heater strip is used to heating evaporation device, melts the ice of evaporator surface.
As shown in figure 3, control module, acquisition module are arranged in wind cooling refrigerator and implements module, control module, that is, refrigerator
Mainboard, for storing default control rule.It is preset with the corresponding switching on and shutting down point of each gear of each compartment in control module, such as sets
4 DEG C, starting point is 4.5 DEG C, and Burnout is 3.5 DEG C.It is preset with the specific defrost period, such as every the primary frost of 20hization.In advance
Temperature is exited equipped with specific defrost, such as it is 6 DEG C~8 DEG C that temperature is exited in defrost.Acquisition module includes freezing sensor, refrigeration
Sensor, defrosting sensor, circumstance temperature sensor etc., for acquiring freezing chamber, refrigerating chamber, defrost temperature and environment temperature.Implement
Module includes compressor, blower, air door and defrost heater strip, for implementing the instruction that control module is issued.
In the present embodiment, control module obtains the defrost shape of refrigerator by detecting defrost heater strip and defrosting sensor
State.Control module has processor, for handling the defrost state for getting refrigerator.
Step S102: when the defrost state is to exit the defrost period, refrigeration air door is opened after the first preset time.
Specifically, defrost state is to exit the state in defrost period to refer to that the time point wind cooling refrigerator defrost terminates,
That is defrost heater strip heating evaporation device, the operation for melting the ice of evaporator surface is completed.After exiting the defrost period
One preset time opens refrigeration air door.Preferably, first preset time is 3 minutes~5 minutes.Since refrigeration air door covers
Air duct, therefore refrigeration air door will be entered from air duct by refrigerating the heat that defrost heater strip generates after air door is opened.
When the wind cooling refrigerator enters the defrost period and defrost is exited after a certain period of time, such as exit time most preferably 3~
5min, this time are whether no matter to refrigerate sensor detection temperature to allow the defrosting water of evaporator surface to be discharged by drainpipe
Reach starting point, all positive openings refrigerate air door, and the heat after making freezing chamber defrost enters refrigerating chamber, it can after borrowing defrost
Heat melt the frost tied of air door periphery, and the temperature recovery of freezing chamber can be reduced.It should be noted that the heat after defrost
Measuring will not influence refrigeration for opposite temperature of refrigerating chamber, i.e., the influence of the heat after negligible defrost.
Step S103: after the second preset time of the refrigeration door opening, refrigeration chamber is opened.
Specifically, after refrigerating door opening, the heat that defrost heater strip generates will enter refrigeration air door from air duct, this
When can will refrigerate the ice assembled or white heating and melting in air door, refrigeration chamber is opened at this time, and the air of flowing will take away ice
Or the liquid water that frost is melted into, to eliminate the ice or frost assembled in refrigeration air door.Refrigeration chamber unlatching refers to compressor
Start refrigeration, simultaneously with blower to reduce the temperature of refrigerator cold-storage compartment.Since ice or heated melt of frost need the time, preferably
Ground, the second preset time are 2 minutes~3 minutes.
It is described after the second preset time of the refrigeration door opening in preferred embodiment, open refrigeration chamber
Step includes: while to start the compressor of refrigerator and the blower of refrigerator after the second preset time of the refrigeration door opening
Open refrigeration mode；The shutoff temperature of the first cooling cycle of the refrigeration mode is reduced with predetermined amplitude.Preferably, width is preset
Degree is 2 DEG C~3 DEG C.For example, predetermined amplitude is 2 DEG C, i.e., the shutoff temperature of the first cooling cycle of refrigeration mode is reduced by 2 down
℃.For another example, predetermined amplitude is 3 DEG C, i.e., the shutoff temperature of the first cooling cycle of refrigeration mode is reduced by 3 DEG C down.
After door opening certain time, such as most preferably 2~3min, Compressors and Fans starts refrigeration simultaneously, and will be each
The Burnout of first cooling cycle of compartment lowers such as most preferably 2~3 DEG C, plays and forces cold purpose, strong process of refrigerastion
Middle cold wind can all take away the defrosting water that air door melts, and avoid defrosting water and freeze again in air door closing process.
Step S104: after the refrigeration chamber reaches default shutoff temperature, the refrigeration air door is closed.
Specifically, refrigeration chamber reach it is default shutoff temperature refers to Compressors and Fans while starting refrigeration, refrigerator is cold
The temperature of hiding compartment is reduced to default shutoff temperature.Since refrigeration chamber consumes a large amount of energy, and the temperature of refrigerator room
After degree needs to control in a certain range, therefore refrigeration chamber reaches default shutoff temperature, refrigeration air door, refrigerating chamber system are closed
Cold junction beam, exits the anti-freeze control rule, and refrigerator operates normally.
In one embodiment, the step of the shutoff temperature of first cooling cycle that the refrigeration mode is reduced with predetermined amplitude
It suddenly include: acquisition environment temperature；According to the environment temperature, the first cooling cycle of the refrigeration mode is reduced with predetermined amplitude
Shutoff temperature.
Specifically, pass through the environment temperature outside circumstance temperature sensor detecting refrigerator.It should be noted that due to environment temperature
It will affect the refrigeration demand of refrigerating chamber, therefore the shutoff temperature of refrigeration mode corresponding to environment temperature answers different, correspondence
Ground, the reduced predetermined amplitude of the shutoff temperature of the first cooling cycle is also corresponding to have any different, so that the refrigeration of refrigerating chamber is imitated
Fruit is more excellent.
In conjunction with table 1, the above preset temperature can be different in the segment of each environment temperature, because of high temperature section refrigeration chamber frequency
Numerous, air door start-stop is frequent, and predetermined amplitude is that the temperature lowered can be smaller, and low-temperature zone is because refrigeration chamber demand is few, start-stop
Number is few, easily freezes, predetermined amplitude can be larger.
Table 1:
In one embodiment, the packet of the shutoff temperature of first cooling cycle that the refrigeration mode is reduced with predetermined amplitude
It includes: obtaining the operation range value of refrigerator room；According to the operation range value, that the refrigeration mode is reduced with predetermined amplitude
The shutoff temperature of one cooling cycle.
Specifically, the refrigeration work consumption of refrigerator room has a gear interval value, and different refrigeration work consumptions corresponds to different gears, and one
As point have prime time, middle-grade and weak shelves, respectively correspond high-power, common power and weaker power, it is high-power under refrigeration intensity it is big,
The refrigeration intensity of common power is general, and the refrigeration intensity of weaker power is lower.
In conjunction with table 2, the above preset temperature is also different under the setting of each gear, prime time that each gear is corresponding with, middle-grade
And weak shelves respectively correspond different operation range values.Compartment temperature is lower under prime time state, and start-stop is more frequent, predetermined amplitude
I.e. default lower temperature regulating can be smaller, and when weak shelves, and compartment temperature is higher, and start-stop frequency is small, therefore default lower temperature regulating can be with
It is larger.
Table 2:
| Operation range value | Predetermined amplitude |
| Prime time | 2℃ |
| Middle-grade | 2.5℃ |
| Weak shelves | 3℃ |
Above each preset temperature and preset time are only a kind of embodiment, and size is according to different model, different conditions
It can be with appropriate adjustment.
The anti-freeze control method of air door of the invention is now illustrated with a specific embodiment: firstly, defrost terminates
Afterwards, the first preset time (3~5min) door opening afterwards；Then, the second preset time (2~3min) rear fan and compressor are opened
It opens；Secondly, air door is closed after refrigeration chamber to default Burnout；Finally, exiting anti-freeze control rule, operate normally.
The anti-freeze control method of air door of the invention is now illustrated with another specific embodiment: firstly, defrost knot
Shu Hou, the first preset time (3~5min) door opening afterwards；Then, the Burnout of the first cooling cycle lowers (2~3 after defrost
℃)；Secondly, air door is closed after refrigeration chamber to default Burnout；Finally, exiting anti-freeze control rule, operate normally.
Referring to Fig. 4, its step schematic diagram for the anti-freeze control method 20 of air door in another embodiment, the air door
Anti-freeze control method 20 the following steps are included:
Step S201: the temperature of refrigerator room is obtained.
Specifically, the temperature of refrigerator room can be obtained by the way that the refrigeration sensor of refrigerator room is arranged in.By refrigerator
The temperature of room can monitor the case where article placed in refrigerator room, and the temperature relation of refrigerator room is to the cold of refrigerator room
Indoor air humidity between hiding, especially after the temperature of refrigerator room rises, the air of high temperature enters cold wind by refrigeration air door
When air duct, in the case where refrigerator room refrigeration, the moisture that high temperature air carries can freeze in refrigeration air door periphery condensation, influence
Refrigerate unlatching and the refrigerating efficiency of air door.
Step S202: when the temperature of the refrigerator room is preset temperature, refrigeration air door is opened.
Specifically, when being put into the higher article of temperature and being for example put into high temperature food, the temperature of refrigerator room can rise.When
Detect that the temperature of refrigerating chamber increases, such as when higher than 3 DEG C of set temperature, refrigerator damper is opened immediately.Open refrigeration air door
Purpose be to come out the wind of refrigeration chamber from cold wind air duct, avoid high temperature air from entering cold wind air duct by refrigeration air door.
Preferably, the preset temperature is less than the default turn-on temperature of the refrigeration chamber.Further, the refrigeration
The default turn-on temperature of room refrigeration is 4.5 DEG C~5.5 DEG C, and the preset temperature is 3 DEG C~4 DEG C.That is, cold when detecting
When hiding temperature raising (being such as put into warm-served food product), refrigerating chamber whether reaches starting point, and refrigerator damper is opened immediately, to force
Open refrigeration air door.The starting point of refrigerating chamber refers to starting up's temperature nodes of refrigeration chamber.
Step S203: after the refrigeration door opening, refrigeration chamber is opened.
Specifically, after refrigerating door opening, high temperature air will enter cold wind air duct from the refrigeration air door of unlatching, to avoid
High temperature air enters cold wind air duct, opens refrigeration chamber immediately after refrigerating door opening.The unlatching of refrigeration chamber can change
The flow direction of wind in air duct, i.e. cold wind are flowed out from cold wind air duct enters refrigerator room, so that the high temperature taken away in refrigerator room is empty
Gas.
Preferably, after refrigerating door opening, while starting the compressor of refrigerator and the blower of refrigerator to open refrigeration mould
Formula；Then, the shutoff temperature of the first cooling cycle of the refrigeration chamber reduced with the default range of decrease.In the present embodiment, drop is preset
Width is 2 DEG C~3 DEG C.2~3 DEG C will be adjusted under the Burnout of first cooling cycle, when opening to extend refrigerator damper
Between, such cold wind can enter cold wind air duct to avoid hot-air, and freeze in refrigeration air door periphery condensation.
Step S204: after the refrigeration chamber reaches default shutoff temperature, the refrigeration air door is closed.
Specifically, after opening refrigeration chamber, while refrigeration Burnout being lowered, enters refrigeration and forces cold state, when
After refrigeration chamber reaches default shutoff temperature, that is, reaches the refrigeration Burnout after lowering and just close the refrigeration air door.It is default
Shutoff temperature refers to the refrigeration Burnout after lowering.
For example, refrigerating Burnout in normal cooling cycle is A DEG C, after Burnout lowers 2 DEG C~3 DEG C, shutdown is preset
Temperature is A' DEG C~A " DEG C, wherein A'=(A-2), A "=(A-3).Air door is closed after refrigeration chamber to default Burnout, most
The anti-freeze control rule of backed off after random, refrigerator operate normally.
In this way, refrigerating chamber whether reaches starting point, cold when detecting that refrigerated storage temperature increases (being such as put into warm-served food product)
Hiding room air door is opened immediately, while refrigeration Burnout being lowered, and is entered refrigeration and is forced cold state, guarantees that hot-air will not enter
Air duct is refrigerated in damper surface condensation frosting.It should be noted that when detecting refrigerated storage temperature raising, if temperature increases just
When reaching refrigeration chamber starting point or being more than refrigeration chamber starting point, refrigeration chamber can open accordingly, without
Want enforced opening.Only when the raising of temperature does not reach refrigeration chamber starting point, enforced opening refrigerator damper, with into
One step opens refrigeration chamber.
The anti-freeze control method of above-mentioned air door is now illustrated with a specific embodiment: firstly, detect refrigeration
The temperature of compartment quickly increases and (is higher than 3 DEG C of normal cryogenic temperature), whether reaches starting point, refrigerates air door enforced opening；
Then, the Burnout of the first cooling cycle lowers (2~3 DEG C)；Secondly, air door is closed after refrigeration chamber to default Burnout；
Finally, exiting anti-freeze control rule, operate normally.
For example, a kind of control method that air door is anti-freeze, uses the combination of the various embodiments described above.For example, a kind of air door
Anti-freeze control method, comprising the following steps: obtain the defrost state of refrigerator and/or obtain the temperature of refrigerator room；Meet
Any first condition then opens refrigeration air door below；The first condition includes when the defrost state is to exit the defrost period
When, and/or, when the temperature of the refrigerator room is preset temperature.Preferably, when the defrost state is to exit the defrost period
When, refrigeration air door is opened after the first preset time；For another example, meet all first conditions and then open refrigeration air door；Meet
Any second condition then opens refrigeration chamber below；The second condition is after the refrigeration door opening, it is preferred that institute
Stating second condition is after the second preset time of the refrigeration door opening；When the refrigeration chamber reaches default shutdown temperature
After degree, the refrigeration air door is closed.
It is noted that the present invention also provides a kind of refrigerator, the refrigerator control anti-freeze using air door as described above
Method processed realizes the anti-freeze control of the air door in refrigerator room.
The anti-freeze control method of air door of the invention replaces opening out heater strip mode to avoid using airdoor control mode
Air door freezes, and production cost is not only reduced under the premise of guaranteeing refrigerator reliability, but also reduce energy consumption of refrigerator.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of control method that air door is anti-freeze, comprising:
Obtain the defrost state of refrigerator；
When the defrost state is to exit the defrost period, refrigeration air door is opened after the first preset time；
After the second preset time of the refrigeration door opening, refrigeration chamber is opened；
After the refrigeration chamber reaches default shutoff temperature, the refrigeration air door is closed.
2. the anti-freeze control method of air door according to claim 1, which is characterized in that described to be opened in the refrigeration air door
After the second preset time opened, refrigeration chamber is opened, comprising:
After the second preset time of the refrigeration door opening, while starting the compressor of refrigerator and the blower of refrigerator to open
Refrigeration mode；
The shutoff temperature of the first cooling cycle of the refrigeration mode is reduced with predetermined amplitude.
3. the anti-freeze control method of air door according to claim 2, which is characterized in that the predetermined amplitude is 2 DEG C~3
℃。
4. the anti-freeze control method of air door according to claim 2, which is characterized in that described to reduce institute with predetermined amplitude
State the shutoff temperature of the first cooling cycle of refrigeration mode, comprising:
Obtain environment temperature；
According to the environment temperature, predetermined amplitude is determined, the first refrigeration week of the refrigeration mode is reduced with the predetermined amplitude
The shutoff temperature of phase.
5. the anti-freeze control method of air door according to claim 2, which is characterized in that described to reduce institute with predetermined amplitude
State the shutoff temperature of the first cooling cycle of refrigeration mode, comprising:
Obtain the operation range value of refrigerator room；
According to the operation range value, predetermined amplitude is determined, the first refrigeration of the refrigeration mode is reduced with the predetermined amplitude
The shutoff temperature in period.
6. the anti-freeze control method of air door according to claim 1, which is characterized in that first preset time is 3
Minute~5 minutes.
7. the anti-freeze control method of air door according to claim 1, which is characterized in that second preset time is 2
Minute~3 minutes.
8. a kind of control method that air door is anti-freeze, comprising:
Obtain the temperature of refrigerator room；
When the temperature of the refrigerator room is preset temperature, refrigeration air door is opened；
After the refrigeration door opening, refrigeration chamber is opened；
After the refrigeration chamber reaches default shutoff temperature, the refrigeration air door is closed.
9. the anti-freeze control method of air door according to claim 8, which is characterized in that the preset temperature is less than described
The default turn-on temperature of refrigeration chamber.
10. a kind of refrigerator, which is characterized in that the refrigerator is anti-freeze using air door as claimed in any one of claims 1-9 wherein
Control method realizes the anti-freeze control of the air door in refrigerator room.
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| CN201710194241.8A CN107044756B (en) | 2017-03-28 | 2017-03-28 | The anti-freeze control method of air door and refrigerator |
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| CN109990561B (en) * | 2017-12-29 | 2022-08-23 | 松下电器研究开发(苏州)有限公司 | Refrigerator and control method thereof |
| CN108759245A (en) * | 2018-06-27 | 2018-11-06 | 青岛海尔股份有限公司 | Wind cooling refrigerator |
| CN109654801B (en) * | 2018-12-29 | 2021-04-20 | 湖北美的电冰箱有限公司 | Refrigerator control method, refrigerator and computer-readable storage medium |
| CN110425808B (en) * | 2019-08-09 | 2020-12-22 | 四川虹美智能科技有限公司 | Refrigerator air door deicing control method and device |
| CN110762935B (en) * | 2019-10-30 | 2021-10-22 | 南京创维家用电器有限公司 | Control method for reducing freezing risk of air outlet of refrigerating chamber |
| CN112484377B (en) * | 2020-11-23 | 2021-07-23 | 珠海格力电器股份有限公司 | Anti-freezing control method and device for refrigerator air door, controller and refrigerator |
| CN112393495A (en) * | 2020-11-30 | 2021-02-23 | 珠海格力电器股份有限公司 | Refrigerator and air door defrosting control method thereof |
| CN113983748A (en) * | 2021-10-15 | 2022-01-28 | 创维电器股份有限公司 | Control method for stabilizing refrigerating temperature of air-cooled refrigerator after defrosting |
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| CN107044756A (en) | 2017-08-15 |
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