CN104406349B - Refrigerator and its air quantity control method, device - Google Patents
Refrigerator and its air quantity control method, device Download PDFInfo
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- CN104406349B CN104406349B CN201410766837.7A CN201410766837A CN104406349B CN 104406349 B CN104406349 B CN 104406349B CN 201410766837 A CN201410766837 A CN 201410766837A CN 104406349 B CN104406349 B CN 104406349B
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- time
- refrigerator
- air door
- compressor
- time threshold
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Classifications
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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
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/045—Air flow control arrangements
-
- 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
Abstract
The invention discloses a kind of air quantity control method of refrigerator, including：Obtain the available machine time of compressor and the opening time of air door；And available machine time according to compressor and the opening time of air door are controlled to the dampers angular of air door.The size of method according to embodiments of the present invention according to compartment load, such as the size of the time difference between the available machine time of compressor and the opening time of air door, to judge the open angle of air door, as difference is bigger, open angle is smaller, so that refrigerator load is preferably minimized, and reduce the energy consumption of refrigerator.The invention also discloses the air quantity controller and a kind of refrigerator of a kind of refrigerator.
Description
Technical field
The present invention relates to refrigerator art, more particularly to a kind of air quantity control method of refrigerator, device and a kind of tool
There is the refrigerator of the air quantity controller.
Background technology
In correlation technique, by the wind cooling refrigerator of airdoor control, typically there are two states on airdoor control：One kind is
Complete to open, another kind is contract fully.But, during by airdoor control refrigerator air quantity, do not account for correspondence compartment and bear
Lotus size, thus can produce influence to freezing compartment's load, such as have influence on the Homes Using TV of refrigerating chamber, and then directly affect system
Energy consumption.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technical problem to a certain extent.
Therefore, first purpose of the invention is to propose that one kind enables to refrigerator load to be preferably minimized and reduces ice
The air quantity control method of the refrigerator of case energy consumption.
Second object of the present invention is to propose a kind of air quantity controller of refrigerator.
Third object of the present invention is to propose a kind of refrigerator.
To achieve these goals, the air quantity control method of the refrigerator of first aspect present invention embodiment, including：Obtain pressure
The available machine time of contracting machine and the opening time of air door；And available machine time according to the compressor and the air door opening when
Between the dampers angular of air door is controlled.
The air quantity control method of refrigerator according to embodiments of the present invention, can obtain the available machine time of compressor and beating for air door
ETAD expected time of arrival and departure, and available machine time according to compressor and the opening time of air door be controlled to the dampers angular of air door, i.e. basis
The size of the time difference between the available machine time of the size of compartment load, such as compressor and the opening time of air door judges wind
The open angle of door, such as difference is bigger, and open angle is smaller so that refrigerator load is preferably minimized, and reduces the energy of refrigerator
Consumption.
According to one embodiment of present invention, the air quantity control method also includes：Add up fortune after obtaining the defrost of refrigerator
The row time；If accumulated running time is less than or equal to pre-set threshold value after the defrost, the dampers angular is opened to maximum.
Thus, it is ensured that Temperature drop in refrigerator speed.
Embodiments in accordance with the present invention, the pre-set threshold value is 2h.
According to one embodiment of present invention, during the opening of the available machine time according to the compressor and the air door
Between the dampers angular of the air door be controlled specifically include：Obtain the available machine time of the compressor and beating for the air door
Time difference between ETAD expected time of arrival and departure；And the dampers angular of the air door is controlled according to the time difference.
Embodiments in accordance with the present invention, it is described the dampers angular of the air door is controlled specifically according to the time difference
Including：If the time difference is less than very first time threshold values, keep the dampers angular of the air door constant；If the time difference is big
In or equal to the very first time threshold values and less than the second time threshold values, then the dampers angular of the air door is closed 15%；Such as
The really described time difference is more than or equal to the second time threshold values and less than the 3rd time threshold values, then by the dampers angular of the air door
Degree closes 30%；And if the time difference more than or equal to the 3rd time threshold values and less than the 4th time threshold values, then
The dampers angular of the air door is closed 45%.Thereby it is ensured that energy consumption of refrigerator is minimum.
Embodiments in accordance with the present invention, the very first time threshold value is 0.1H, and second time threshold is 0.3H, described
3rd time threshold is 0.5H, and the 4th time threshold is 0.7H, wherein, H is the available machine time of compressor.
To achieve these goals, the air quantity controller of the refrigerator of second aspect present invention embodiment, including：Obtain mould
Block, for obtaining the available machine time of compressor and the opening time of air door；Airdoor control module, for according to the compressor
The opening time of available machine time and the air door is controlled to the dampers angular of air door.
The air quantity controller of refrigerator according to embodiments of the present invention, when can obtain the start of compressor by acquisition module
Between and air door opening time, airdoor control module is according to the available machine time of compressor and the opening time of air door to the wind of air door
Door angle is controlled, i.e., according to the size of compartment load, such as between the available machine time of compressor and the opening time of air door
The size of time difference judges the open angle of air door, and such as difference is bigger, open angle is smaller so that refrigerator load is dropped to most
It is low, and reduce the energy consumption of refrigerator.
According to one embodiment of present invention, the airdoor control module, fortune is added up after being additionally operable to the defrost of acquisition refrigerator
The row time, and when accumulated running time after the defrost predetermined threshold value is less than or equal to, the dampers angular is opened to maximum.
Thus, it is ensured that Temperature drop in refrigerator speed.
Embodiments in accordance with the present invention, the predetermined threshold value is 2h.
According to one embodiment of present invention, the airdoor control module obtains available machine time of the compressor and described
Time difference between the opening time of air door, and the dampers angular of the air door is controlled according to the time difference.
Embodiments in accordance with the present invention, if the time difference is less than very first time threshold value, keep the wind of the air door
Door angle is constant；If the time difference is more than or equal to the very first time threshold value and less than the second time threshold, by institute
The dampers angular for stating air door closes 15%；If the time difference is more than or equal to second time threshold and during less than the 3rd
Between threshold value, then the dampers angular of the air door is closed 30%；And if when the time difference is more than or equal to the described 3rd
Between threshold value and less than the 4th time threshold, then the dampers angular of the air door is closed 45%.Thereby it is ensured that energy consumption of refrigerator is most
It is low.
Embodiments in accordance with the present invention, the very first time threshold value is 0.1H, and second time threshold is 0.3H, described
3rd time threshold is 0.5H, and the 4th time threshold is 0.7H, wherein, H is the available machine time of compressor.
To achieve these goals, the refrigerator of third aspect present invention embodiment, including second aspect present invention embodiment
Refrigerator air quantity controller.
Refrigerator according to embodiments of the present invention, can obtain the start of compressor by the acquisition module in air quantity controller
Time and the opening time of air door, airdoor control module is according to the available machine time of compressor and the opening time of air door to air door
Dampers angular is controlled, i.e., according to the size of compartment load, such as between the available machine time of compressor and the opening time of air door
The size of time difference judge the open angle of air door, such as difference is bigger, open angle is smaller so that refrigerator load is dropped to
It is minimum, and reduce the energy consumption of refrigerator.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein,
Fig. 1 is the flow chart of the air quantity control method of refrigerator according to an embodiment of the invention；
Fig. 2 is the flow chart of the air quantity control method of refrigerator in accordance with another embodiment of the present invention；And
Fig. 3 is the structural representation of the air quantity controller of refrigerator according to an embodiment of the invention.
Reference：
Acquisition module 10 and airdoor control module 20.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Below with reference to the accompanying drawings the air quantity control method of the refrigerator of the embodiment of the present invention, device are described and with the Boiler pressure control
The refrigerator of device.
Fig. 1 is the flow chart of the air quantity control method of refrigerator according to an embodiment of the invention.It should be noted that
In embodiments of the invention, refrigerator can be wind cooling refrigerator.
As shown in figure 1, the air quantity control method of the refrigerator can include：
S101, obtains the available machine time of compressor and the opening time of air door.
Specifically, after refrigerator is in refrigerating state, the available machine time of compressor in refrigerator can be obtained (i.e. since start
Startup optimization is to the current time) and air door from being opened to current opening time.
S102, the opening time of available machine time and air door according to compressor is controlled to the dampers angular of air door.
Wherein, in an embodiment of the present invention, it is air door open angle that dampers angular is appreciated that.
Specifically, in an embodiment of the present invention, the available machine time of compressor and the opening time of air door can first be obtained
Between time difference.Afterwards, the dampers angular of air door can be controlled according to the time difference.More specifically, can first with compression
The available machine time of machine subtracts the opening time of air door, obtains the time difference between both, and the time difference can be judged afterwards
And different controls are carried out to the dampers angular of air door according to judged result.
In an embodiment of the present invention, according to the specific implementation that the time difference is controlled to the dampers angular of air door
For：If the time difference is less than very first time threshold value, keep the dampers angular of air door constant；If the time difference is more than or equal to the
One time threshold and less than the second time threshold, then close 15% by the dampers angular of air door；If the time difference is more than or equal to
Second time threshold and less than the 3rd time threshold, then close 30% by the dampers angular of air door；And if the time difference be more than
Or equal to the 3rd time threshold and less than the 4th time threshold, then the dampers angular of air door is closed 45%.Wherein, in the present invention
Embodiment in, very first time threshold value can be 0.1H, and the second time threshold can be 0.3H, and the 3rd time threshold can be 0.5H, the
Four time thresholds can be 0.7H, wherein, H is the available machine time of compressor.
For example, when the time difference between the available machine time of compressor and the opening time of air door is less than very first time threshold values,
During available machine time value (i.e. 0.1H) of the compressor such as the time difference less than 0.1 times, can be run according to current state, that is, keep air door
Dampers angular it is constant, maintain current dampers angular to be operated；When the time difference is more than or equal to very first time threshold values and is less than
During the second time threshold values, the dampers angular of air door can be closed 15% on the basis of upper once dampers angular；It is big when the time difference
In or equal to the second time threshold values and during less than the 3rd time threshold values, can be by dampers angular on the basis of upper once dampers angular
Turn off 15%；When the time difference is more than or equal to the 3rd time threshold values and during less than the 4th time threshold values, dampers angular can be existed
15% is turned off on the basis of last dampers angular again.In an embodiment of the present invention, if the time difference is more than or equal to the
Four time threshold values, then can maintain 10 degree by the dampers angular of air door.Thus, the available machine time according to compressor and air door are beaten
The open angle of the size correspondence adjustment air door of the time difference between ETAD expected time of arrival and departure, such as difference is bigger, and open angle is smaller, so as to protect
Energy consumption of refrigerator is demonstrate,proved minimum.
Further, in order to ensure refrigerator can fast cooling, in one embodiment of the invention, the Boiler pressure control side
Method may also include：Obtain accumulated running time after the defrost of refrigerator；If accumulated running time is less than or equal to default after defrost
Threshold values, then open to maximum dampers angular.Wherein, in an embodiment of the present invention, pre-set threshold value can be 2h.Thus, it is ensured that
Temperature drop in refrigerator speed.
Specifically, after refrigerator is in refrigerating state, accumulated running time, Zhi Houke after the defrost of refrigerator can first be obtained
Accumulated running time after the defrost is judged, it is controllable if accumulated running time is less than or equal to 2h hours after defrost
The air door of ice making case is opened completely, to ensure Temperature drop in refrigerator speed.
It should be appreciated that in an embodiment of the present invention, if accumulated running time is more than 2h hours after defrost, it is believed that
Now the temperature of refrigerator has already decreased to certain threshold values, when can now start the opening according to available machine time of compressor and air door
Between between time difference the dampers angular of air door is controlled, with cause refrigerator load be preferably minimized level, it is ensured that energy consumption is most
It is low.
The air quantity control method of refrigerator according to embodiments of the present invention, can obtain the available machine time of compressor and beating for air door
ETAD expected time of arrival and departure, and available machine time according to compressor and the opening time of air door be controlled to the dampers angular of air door, i.e. basis
The size of the time difference between the available machine time of the size of compartment load, such as compressor and the opening time of air door judges wind
The open angle of door, such as difference is bigger, and open angle is smaller so that refrigerator load is preferably minimized, and reduces the energy of refrigerator
Consumption.
In order that obtaining those skilled in the art can more clearly understand the present invention, can illustrate below.
For example, as shown in Fig. 2 after refrigerator is in refrigerating state, first can enter to accumulated running time after defrost
Row judges that whether accumulated running time is more than pre-set threshold value (such as 2h) (S201) after such as judging defrost.Add up after defrost is judged
When run time is less than or equal to reservation threshold, the air door in controllable refrigerator opens work (S202) completely；When judging defrost
When accumulated running time is more than pre-set threshold value afterwards, the available machine time H of the compressor and opening time Y of air door can be first obtained, afterwards
Time difference X between the available machine time H of compressor and the opening time Y of air door can be calculated according to H and Y, and to the time
Difference X is judged (S203).First time difference X can be compared with very first time threshold values (such as 0.1H), that is, judge that time difference X is
It is no less than 0.1H (S204), if it is, being continued to run with (S205) according to current state；If it is not, then determining whether the time
Difference X whether more than or equal to very first time threshold values and less than the second time threshold values (such as 0.3H) (S206), if it is, by air door
Angle closes 15% (S207) on the basis of upper once dampers angular；If not, determining whether whether time difference X is more than
Or equal to the second time threshold values and less than the 3rd time threshold values (such as 0.5H) (S208) if it is, by dampers angular it is upper once
15% (S209) is turned off on the basis of dampers angular；If it is not, then determining whether time difference X whether more than or equal to the 3rd
Time threshold values and less than the 4th time threshold values (such as 0.7H) (S210), if it is, by dampers angular in upper once dampers angular
On the basis of again turn off 15% (S211)；If it is not, then air door is maintained into 10 degree of open angle to run (S212).By
This, it can be seen that the difference between the available machine time of compressor and the opening time of air door is bigger, and the open angle of air door is got over
It is small so that refrigerator load is preferably minimized, and reduce the energy consumption of refrigerator.
In order to realize above-described embodiment, the invention allows for a kind of air quantity controller of refrigerator.
Fig. 3 is the structural representation of the air quantity controller of refrigerator according to an embodiment of the invention.Need explanation
It is that in an embodiment of the present invention, refrigerator can be wind cooling refrigerator.
As shown in figure 3, the air quantity controller of the refrigerator can include：Acquisition module 10 and airdoor control module 20.
Specifically, acquisition module 10 can be used to obtain available machine time and the opening time of air door of compressor.More specifically,
After refrigerator is in refrigerating state, the available machine time that acquisition module 10 can obtain compressor in refrigerator (starts i.e. since start
Run to the current time) and air door from being opened to current opening time.
Airdoor control module 20 can be used for the air door to air door according to the available machine time of compressor and the opening time of air door
Angle is controlled.Wherein, in an embodiment of the present invention, it is air door open angle that dampers angular is appreciated that.Specifically, exist
In embodiments of the invention, airdoor control module 20 can be specifically for obtaining the available machine time of compressor and the opening time of air door
Between time difference, and the dampers angular of air door is controlled according to the time difference.More specifically, airdoor control module 20 can be first
The opening time of air door is subtracted with the available machine time of compressor, the time difference between both is obtained, the time difference can be entered afterwards
Row judges and carries out different controls to the dampers angular of air door according to judged result.
In an embodiment of the present invention, airdoor control module 20 is controlled to the dampers angular of air door according to the time difference
Specific implementation is：If the time difference is less than very first time threshold value, keep the dampers angular of air door constant；If the time difference
More than or equal to very first time threshold value and less than the second time threshold, then the dampers angular of air door is closed 15%；If the time
The dampers angular of air door is then closed 30% by difference more than or equal to the second time threshold and less than the 3rd time threshold；And such as
The dampers angular of air door more than or equal to the 3rd time threshold and less than the 4th time threshold, is then closed 45% by the fruit time difference.
Wherein, in an embodiment of the present invention, very first time threshold value can be 0.1H, and the second time threshold can be 0.3H, the 3rd time threshold
Value can be 0.5H, and the 4th time threshold can be 0.7H, wherein, H is the available machine time of compressor.
Further, in order to ensure refrigerator can fast cooling, in one embodiment of the invention, airdoor control module
Accumulated running time after 20 defrosts that can also be used to obtaining refrigerator, and after defrost accumulated running time be less than or equal to default valve
During value, dampers angular is opened to maximum.Wherein, in an embodiment of the present invention, pre-set threshold value can be 2h.More specifically, working as ice
Case is in after refrigerating state, and airdoor control module 20 can first obtain accumulated running time after the defrost of refrigerator, afterwards can be to this
Accumulated running time is judged after defrost, if accumulated running time is less than or equal to 2h hours after defrost, controllable ice making
The air door of case is opened completely, to ensure Temperature drop in refrigerator speed.
It should be appreciated that in an embodiment of the present invention, if accumulated running time is more than 2h hours after defrost, it is believed that
Now the temperature of refrigerator has already decreased to certain threshold values, and now airdoor control module 20 can start the available machine time according to compressor
The time difference and opening time of air door between is controlled to the dampers angular of air door, to cause that refrigerator load is preferably minimized water
It is flat, it is ensured that energy consumption is minimum.
The air quantity controller of refrigerator according to embodiments of the present invention, when can obtain the start of compressor by acquisition module
Between and air door opening time, airdoor control module is according to the available machine time of compressor and the opening time of air door to the wind of air door
Door angle is controlled, i.e., according to the size of compartment load, such as between the available machine time of compressor and the opening time of air door
The size of time difference judges the open angle of air door, and such as difference is bigger, open angle is smaller so that refrigerator load is dropped to most
It is low, and reduce the energy consumption of refrigerator.
In order to realize above-described embodiment, the invention allows for a kind of refrigerator, it is necessary to illustrate, in implementation of the invention
In example, refrigerator can be wind cooling refrigerator.The refrigerator may include the air quantity controller described in any of the above-described embodiment.
Refrigerator according to embodiments of the present invention, can obtain the start of compressor by the acquisition module in air quantity controller
Time and the opening time of air door, airdoor control module is according to the available machine time of compressor and the opening time of air door to air door
Dampers angular is controlled, i.e., according to the size of compartment load, such as between the available machine time of compressor and the opening time of air door
The size of time difference judge the open angle of air door, such as difference is bigger, open angle is smaller so that refrigerator load is dropped to
It is minimum, and reduce the energy consumption of refrigerator.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
Any process described otherwise above or method description in flow chart or herein is construed as, and expression includes
It is one or more for realizing specific logical function or process the step of the module of code of executable instruction, fragment or portion
Point, and the scope of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discussion suitable
Sequence, including function involved by basis by it is basic simultaneously in the way of or in the opposite order, carry out perform function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Represent in flow charts or logic and/or step described otherwise above herein, for example, being considered use
In the order list of the executable instruction for realizing logic function, in may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (such as computer based system, including the system of processor or other can be held from instruction
The system of row system, device or equipment instruction fetch and execute instruction) use, or with reference to these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicate, propagate or pass
The dress that defeated program is used for instruction execution system, device or equipment or with reference to these instruction execution systems, device or equipment
Put.The more specifically example (non-exhaustive list) of computer-readable medium includes following：With the electricity that one or more are connected up
Connecting portion (electronic installation), portable computer diskette box (magnetic device), random access memory (RAM), read-only storage
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can thereon print described program or other are suitable
Medium, because optical scanner for example can be carried out by paper or other media, then enters edlin, interpretation or if necessary with it
His suitable method is processed electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each several part of the invention can be realized with hardware, software, firmware or combinations thereof.Above-mentioned
In implementation method, the software that multiple steps or method can in memory and by suitable instruction execution system be performed with storage
Or firmware is realized.If for example, realized with hardware, and in another embodiment, can be with well known in the art
Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal
Discrete logic, the application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
Those skilled in the art are appreciated that to realize all or part of step that above-described embodiment method is carried
The rapid hardware that can be by program to instruct correlation is completed, and described program can be stored in a kind of computer-readable storage medium
In matter, the program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, during each functional unit in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a module.Above-mentioned integrated mould
Block can both be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.The integrated module is such as
Fruit is to realize in the form of software function module and as independent production marketing or when using, it is also possible to which storage is in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only storage, disk or CD etc..Although having been shown above and retouching
Embodiments of the invention are stated, it is to be understood that above-described embodiment is exemplary, it is impossible to be interpreted as to limit of the invention
System, one of ordinary skill in the art can be changed to above-described embodiment, change, replace and become within the scope of the invention
Type.
Claims (11)
1. a kind of air quantity control method of refrigerator, it is characterised in that comprise the following steps：
Obtain the available machine time of compressor and the opening time of air door；
Obtain the time difference between the available machine time of the compressor and the opening time of the air door；And
The dampers angular of the air door is controlled according to the time difference.
2. the air quantity control method of refrigerator as claimed in claim 1, it is characterised in that also include：
Obtain accumulated running time after the defrost of refrigerator；
If accumulated running time is less than or equal to predetermined threshold value after the defrost, the dampers angular is opened to maximum.
3. the air quantity control method of refrigerator as claimed in claim 2, it is characterised in that the predetermined threshold value is 2h.
4. the air quantity control method of refrigerator as claimed in claim 1, it is characterised in that it is described according to the time difference to described
The dampers angular of air door is controlled and specifically includes：
If the time difference is less than very first time threshold value, keep the dampers angular of the air door constant；
If the time difference is more than or equal to the very first time threshold value and less than the second time threshold, by the air door
Dampers angular closes 15%；
If the time difference is more than or equal to second time threshold and less than the 3rd time threshold, by the air door
Dampers angular closes 30%；And
If the time difference is more than or equal to the 3rd time threshold and less than the 4th time threshold, by the air door
Dampers angular closes 45%.
5. the air quantity control method of refrigerator as claimed in claim 4, it is characterised in that the very first time threshold value is 0.1H,
Second time threshold is 0.3H, and the 3rd time threshold is 0.5H, and the 4th time threshold is 0.7H, wherein, H is
The available machine time of compressor.
6. a kind of air quantity controller of refrigerator, it is characterised in that including：
Acquisition module, for obtaining the available machine time of compressor and the opening time of air door；
Airdoor control module, for obtaining the time between the available machine time of the compressor and the opening time of the air door
Difference, and the dampers angular of the air door is controlled according to the time difference.
7. the air quantity controller of refrigerator as claimed in claim 6, it is characterised in that the airdoor control module, is additionally operable to
Accumulated running time after the defrost of refrigerator is obtained, and when accumulated running time after the defrost predetermined threshold value is less than or equal to,
The dampers angular is opened to maximum.
8. the air quantity controller of refrigerator as claimed in claim 7, it is characterised in that the predetermined threshold value is 2h.
9. the air quantity controller of refrigerator as claimed in claim 6, it is characterised in that
If the time difference is less than very first time threshold value, keep the dampers angular of the air door constant；
If the time difference is more than or equal to the very first time threshold value and less than the second time threshold, by the air door
Dampers angular closes 15%；
If the time difference is more than or equal to second time threshold and less than the 3rd time threshold, by the air door
Dampers angular closes 30%；And
If the time difference is more than or equal to the 3rd time threshold and less than the 4th time threshold, by the air door
Dampers angular closes 45%.
10. the air quantity controller of refrigerator as claimed in claim 9, it is characterised in that the very first time threshold value is 0.1H,
Second time threshold is 0.3H, and the 3rd time threshold is 0.5H, and the 4th time threshold is 0.7H, wherein, H is
The available machine time of compressor.
11. a kind of refrigerators, it is characterised in that including the air quantity controller as described in claim any one of 6-10.
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