CN103423944B - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN103423944B CN103423944B CN201310396090.6A CN201310396090A CN103423944B CN 103423944 B CN103423944 B CN 103423944B CN 201310396090 A CN201310396090 A CN 201310396090A CN 103423944 B CN103423944 B CN 103423944B
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Abstract
The invention discloses a kind of refrigerator, including: casing；Refrigeration system, refrigeration system includes: compressor；Condenser；Refrigeration evaporator and refrigerating evaporator；First alternating temperature vaporizer and the second alternating temperature vaporizer；Switching valve, there is entrance and first to fourth outlet, entrance is connected with condenser, refrigerating evaporator is connected between compressor and the 4th outlet, refrigeration evaporator is connected between the first outlet and refrigerating evaporator, first alternating temperature vaporizer is connected between the second outlet and refrigerating evaporator, and the second alternating temperature vaporizer is connected between the 3rd outlet and the first alternating temperature vaporizer；Controller, is switched by control switching Vavle switching, control refrigeration system according to the design temperature of temperature-changing chamber between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode.The present invention can realize temperature control between the whole district of temperature-changing chamber and cover, and can need cold preservation and the freezing function of intelligence switching temperature-changing chamber according to user.The invention also discloses the control method of a kind of refrigerator.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly to a kind of refrigerator and control method thereof.
Background technology
The temperature-changing chamber of the refrigeration plant of such as refrigerator is typically room between temperature temperature control between refrigerated storage temperature and cryogenic temperature, becomes
The temperature in greenhouse is typically independent of cold room and the refrigerating chamber control of refrigerator.Temperature-changing chamber is mainly used in zero degree fresh-keeping function and-7 degree
Soft freezing function, the temperature of temperature-changing chamber is normally controlled in the temperature range outside refrigerated storage temperature and cryogenic temperature, and such as 10 is Celsius
In the range of spending-subzero 7 degrees Celsius, therefore the function of temperature-changing chamber be typically limited to cold preservation and freezing outside independent temperature model
Enclosing the function of correspondence, in other words, the temperature-control range of temperature-changing chamber is confined to less scope, and user only can use the temperature little with this
The function that scope is corresponding, thus the temperature-changing chamber function in correlation technique can not meet the demand of user, there are the needs of improvement.
Summary of the invention
It is contemplated that solve above-mentioned technical problem the most to a certain extent.
To this end, it is an object of the present invention to propose a kind of refrigerator, it is possible to achieve between the whole district of refrigerator temperature-changing chamber, temperature control covers,
Expand Consumer's Experience so that refrigerator use is more followed one's inclinations, practicality, thus preferably meets user's request.
Further object is that the control method proposing a kind of refrigerator.
For reaching above-mentioned purpose, embodiment proposes a kind of refrigerator according to a first aspect of the present invention, including: casing, in described casing
There is cold room, refrigerating chamber and temperature-changing chamber；Refrigeration system, described refrigeration system includes: compressor；Condenser, described condensation
Device is connected with described compressor；Refrigeration evaporator and refrigerating evaporator, described refrigerating evaporator is connected with described compressor；First
Alternating temperature vaporizer and the second alternating temperature vaporizer；Switching valve, described switching valve has entrance and first and is exported to the 4th outlet, described
Entrance is connected with described condenser, and described refrigerating evaporator is connected between described compressor and described 4th outlet, described cold preservation
Vaporizer is connected between described first outlet and described refrigerating evaporator, and described first alternating temperature vaporizer is connected to described second and goes out
Between mouth and described refrigerating evaporator, described second alternating temperature vaporizer is connected to described 3rd outlet and described first alternating temperature vaporizer
Between；And controller, described controller is connected with described switching valve, for the design temperature according to described temperature-changing chamber by control
Make described switching Vavle switching, control described refrigeration system and switch between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode,
The wherein entrance of described switching valve and described second outlet conducting under described first alternating temperature refrigeration mode, and at described second alternating temperature
The entrance of described switching valve and described 3rd outlet conducting under refrigeration mode.
Refrigerator according to embodiments of the present invention, switches Vavle switching according to the design temperature of temperature-changing chamber by control, controls refrigeration system
Switch between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, when the design temperature of temperature-changing chamber is relatively low, refrigeration system
It is operated under the first alternating temperature refrigeration mode, by an alternating temperature vaporizer, temperature-changing chamber is freezed, so that temperature-changing chamber realizes cold storage function,
When the design temperature of temperature-changing chamber is too low, refrigeration system is operated under the second alternating temperature refrigeration mode, starts two alternating temperature vaporizers pair
Temperature-changing chamber freezes, so that temperature-changing chamber realizes freezing function, therefore, the refrigerator of the present invention is by arranging two alternating temperatures in temperature-changing chamber
Vaporizer realizes temperature control between the whole district of temperature-changing chamber and covers, and has expanded cold preservation and the freezing function of refrigerator, can need intelligence according to user
Cold preservation and the freezing function of temperature-changing chamber can be switched, expanded Consumer's Experience so that refrigerator use is more followed one's inclinations, practicality, thus more
Meet user's request well.
In one embodiment of the invention, described controller is additionally operable to after described switching Vavle switching control described first alternating temperature
The alternating temperature vaporizer run after the handover is carried out defrost by vaporizer and the second alternating temperature vaporizer.
Thus, when temperature-changing chamber handoff functionality, automatic defrosting, it is ensured that the frostless operation of refrigerator, improves refrigeration for refrigerator efficiency.
In one embodiment of the invention, the temperature range of described temperature-changing chamber comprises described cold room and the temperature of described refrigerating chamber
Scope.
In one embodiment of the invention, the temperature range of described cold room is 2 degrees Celsius-8 degrees Celsius, described refrigerating chamber
Temperature range be subzero 16 degrees Celsius-subzero 24 degrees Celsius, the temperature range of described temperature-changing chamber is 10 degrees Celsius-subzero 24
Degree Celsius.
In one embodiment of the invention, when the design temperature of described temperature-changing chamber is higher than subzero 7 degrees Celsius, described controller
Control the entrance of described switching valve and described second outlet conducting, and when the design temperature of described temperature-changing chamber is less than subzero 7 degrees Celsius
Time, described controller controls the entrance of described switching valve and described 3rd outlet conducting.
In one embodiment of the invention, described switching valve is electromagnetic valve.
For reaching above-mentioned purpose, second aspect present invention embodiment proposes the control method of a kind of refrigerator, and described refrigerator includes cold preservation
Room, refrigerating chamber and temperature-changing chamber and refrigeration system, described refrigeration system include compressor, refrigeration evaporator, refrigerating evaporator,
One alternating temperature vaporizer and the second alternating temperature vaporizer and switching valve, described switching valve has entrance and first to fourth outlet, described cold
Freezing vaporizer to be connected between described compressor and described 4th outlet, described refrigeration evaporator is connected to described first outlet and institute
Stating between refrigerating evaporator, described first alternating temperature vaporizer is connected between described second outlet and described refrigerating evaporator, described
Second alternating temperature vaporizer is connected between described 3rd outlet and described first alternating temperature vaporizer, and described control method includes walking as follows
Rapid:
Design temperature according to described temperature-changing chamber, by controlling described switching Vavle switching, controls described refrigeration system in the first alternating temperature system
Between chill formula and the second alternating temperature refrigeration mode switch, wherein under described first alternating temperature refrigeration mode the entrance of described switching valve with
Described second outlet conducting, and the entrance of described switching valve and described 3rd outlet conducting under described second alternating temperature refrigeration mode.
The control method of refrigerator according to embodiments of the present invention, switches Vavle switching, control according to the design temperature of temperature-changing chamber by control
Refrigeration system processed switches between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, when the design temperature of temperature-changing chamber is relatively low
Time, refrigeration system is operated under the first alternating temperature refrigeration mode, is freezed temperature-changing chamber by an alternating temperature vaporizer, so that temperature-changing chamber
Realizing cold storage function, when the design temperature of temperature-changing chamber is too low, refrigeration system is operated under the second alternating temperature refrigeration mode, starts two
Temperature-changing chamber is freezed by individual alternating temperature vaporizer, so that temperature-changing chamber realizes freezing function, therefore, between the present invention can be with the whole district of temperature-changing chamber
Temperature control covers, and can need cold preservation and the freezing function of intelligence switching temperature-changing chamber according to user, expand Consumer's Experience so that ice
Case use is more followed one's inclinations, practicality, thus preferably meets user's request.
In one embodiment of the invention, the control method of described refrigerator also includes: control after described switching Vavle switching
The alternating temperature vaporizer run after the handover is carried out defrost by described first alternating temperature vaporizer and the second alternating temperature vaporizer.
Thus, when temperature-changing chamber handoff functionality, automatic defrosting, it is ensured that the frostless operation of refrigerator, improves refrigeration for refrigerator efficiency.
In one embodiment of the invention, when the design temperature of described temperature-changing chamber is higher than subzero 7 degrees Celsius, cut described in control
Change the entrance of valve and described second outlet conducting, and when the design temperature of described temperature-changing chamber is less than subzero 7 degrees Celsius, control institute
State the entrance of switching valve and described 3rd outlet conducting.
In one embodiment of the invention, the control method of described refrigerator also includes: in the process freezing described temperature-changing chamber
In, detect the temperature of described temperature-changing chamber, and judge whether the temperature of described temperature-changing chamber is less than the shutdown temperature of described temperature-changing chamber；As
The temperature of the most described temperature-changing chamber less than the shutdown temperature of described temperature-changing chamber, then stops freezing described temperature-changing chamber, otherwise continues institute
State temperature-changing chamber refrigeration.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become bright from the following description
Aobvious, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage the accompanying drawings below description to embodiment will be apparent from from combining and
Easy to understand, wherein:
Fig. 1 is the structured flowchart of the refrigerator according to the embodiment of the present invention；
Fig. 2 is the structured flowchart of the refrigeration system of the refrigerator according to one embodiment of the invention；
Fig. 3 is the flow chart of the control method of the refrigerator according to one embodiment of the invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical or
Similar label represents same or similar element or has the element of same or like function.Describe below with reference to accompanying drawing
Embodiment is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " on ", D score,
"front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward "
It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is for only for ease of the description present invention and Jian
Change and describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and behaviour
Make, be therefore not considered as limiting the invention.Additionally, term " first ", " second " are only used for describing purpose, and
It is not intended that instruction or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or connect integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
The refrigerator and the control method thereof that propose the embodiment of the present invention with reference to the accompanying drawings are described.
First the refrigerator proposed according to embodiments of the present invention is described.
As it is shown in figure 1, refrigerator according to embodiments of the present invention, including: casing (not shown), refrigeration system 1000 with
And controller 2000.Wherein, there is cold room, refrigerating chamber and temperature-changing chamber in casing.Should be appreciated that and be also equipped with on casing
Door body, door body is arranged on casing for opening and closing room between cold room, refrigerating chamber and temperature-changing chamber etc..
Specifically, refrigeration system 1000 includes: compressor 101, condenser 102, switching valve 103, refrigeration evaporator R
With refrigerating evaporator F, the first alternating temperature vaporizer VR and the second alternating temperature vaporizer VF.
Wherein, condenser 102 is connected with compressor 101, and specifically, the entrance of condenser 102 goes out with compressor 101
Mouth is connected.Preferably, in one embodiment of the invention, as in figure 2 it is shown, condenser 102 includes the first condenser 201
With the second condenser 202, and the first condenser 201 and the second condenser 202 be serially connected.
Refrigerating evaporator F is connected with compressor 101, and specifically, refrigerating evaporator F is connected with the entrance of compressor 101.
Switching valve 103 has entrance 300 and the first outlet 301 to the 4th outlet 304, and entrance 300 goes out with condenser 102
Mouth is connected, and refrigerating evaporator F is connected between compressor 101 and the 4th outlet 304, and refrigeration evaporator R is connected to first and goes out
Between mouth 301 and refrigerating evaporator F, the first alternating temperature vaporizer VR is connected between the second outlet 302 and refrigerating evaporator F,
Second alternating temperature vaporizer VF is connected between the 3rd outlet 303 and the first alternating temperature vaporizer VR.In other words, the first outlet 301
Pass sequentially through refrigeration evaporator R to be connected with the entrance of refrigerating evaporator F with compressor 101；Second outlet 302 passes sequentially through the
One alternating temperature vaporizer VR is connected with the entrance of refrigerating evaporator F with compressor 101；3rd outlet 303 passes sequentially through the second change
Temperature vaporizer VF, the first alternating temperature vaporizer VR are connected with the entrance of refrigerating evaporator F with compressor 101；4th outlet 304
It is connected by the entrance of refrigerating evaporator F with compressor 101.It is understood that switching valve 103 is for controlling what coolant flowed to
1 enters 4 goes out valve body, can switch refrigerating circuit by switching valve 103, it is preferable that in one embodiment of the invention, cut
Changing valve 103 can be electromagnetic valve, for example, four way solenoid valve.
Preferably, in one embodiment of the invention, as in figure 2 it is shown, refrigeration system 1000 also includes condensation-proof pipe 104
With device for drying and filtering 105.Anti-condensation pipe 104 is arranged between the first condenser 201 and the second condenser 202.Specifically,
In the process of refrigerastion of refrigeration system 1000, gases at high pressure shape cold-producing medium can flow through from anti-condensation pipe 104, makes pipeline generate heat,
Thus can prevent the globule from occurring, play anti-dew effect.Device for drying and filtering 105 is arranged on the second condenser 202 and switching valve 103
Between, and the entrance of device for drying and filtering 105 and the second condenser 202 outlet be connected, the outlet of device for drying and filtering 105 with cut
The entrance 300 changing valve 103 is connected.The effect of device for drying and filtering 105 is that absorbent refrigeration system 1000 produces in process of refrigerastion
Raw moisture, dustiness etc., it is ensured that the cleaning of refrigeration system 1000, be dried.
Controller 2000 is connected with switching valve 103, switches by controlling switching valve 103 for the design temperature according to temperature-changing chamber,
Control refrigeration system 1000 to switch between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, wherein in the first alternating temperature system
Switch entrance 300 and second outlet 302 conducting of valve 103 under chill formula, and under the second alternating temperature refrigeration mode, switch valve 103
Entrance 300 and the 3rd outlet 303 conducting.Specifically, when the design temperature of temperature-changing chamber is relatively low, i.e. temperature-changing chamber needs reality
During existing cold storage function, controller 2000 controls switching valve 103 and switches to the second outlet 302, now, refrigeration system 1000 work
Make under the first alternating temperature refrigeration mode, by the first alternating temperature vaporizer VR, temperature-changing chamber is freezed；Setting temperature when temperature-changing chamber
When spending low, when i.e. temperature-changing chamber needs to realize freezing function, controller 2000 controls switching valve 103 and switches to the 3rd outlet 303,
Now, refrigeration system 1000 is operated under the second alternating temperature refrigeration mode, is evaporated by the second alternating temperature vaporizer VF and the first alternating temperature
Temperature-changing chamber is freezed by device VR.Thus, the refrigerator of the present invention makes to become by arranging two alternating temperature vaporizers in temperature-changing chamber
Greenhouse realizes temperature control between the whole district and covers.
It should be noted that the design temperature of temperature-changing chamber is configured by the human-computer interaction interface of refrigerator by user, work as temperature-changing chamber
Temperature when reaching this design temperature, then temperature-changing chamber is freezed.In inventive embodiment, controller 2000 according to
The design temperature of the temperature-changing chamber that family is arranged and preset temperature compare the function showing that user needs temperature-changing chamber to realize.
Preferably, in one embodiment of the invention, the temperature range of temperature-changing chamber comprises the temperature range of cold room and refrigerating chamber.
Wherein, in one embodiment of the invention, the temperature range of cold room can be 2 degrees Celsius-8 degrees Celsius, freezing
The temperature range of room can be subzero 16 degrees Celsius-subzero 24 degrees Celsius, the temperature range of temperature-changing chamber can be 10 degrees Celsius-
Subzero 24 degrees Celsius.
It is known that the temperature range of tradition temperature-changing chamber is 10 degrees Celsius-subzero 7 degrees Celsius, and the temperature of the temperature-changing chamber of the present invention
Degree scope is 10 degrees Celsius-subzero 24 degrees Celsius.Therefore, the temperature-changing chamber of the present invention not only ensure that the function of tradition temperature-changing chamber,
Cold preservation and freezing function can also be realized, temperature-changing chamber i.e. can be directly disposed as cold room or refrigerating chamber, as refrigerator cold-storage,
Combination between freezing function, i.e. can realize the function of " 2 room combination cold rooms " " combination freeze room, 2 rooms ", expand
Consumer's Experience so that refrigerator use more follow one's inclinations, practical, thus preferably meet user's request.
Further, in one embodiment of the invention, when the design temperature of temperature-changing chamber is higher than subzero 7 degrees Celsius, control
Device 2000 controls entrance 300 and second outlet 302 conducting of switching valve 103, and when the design temperature of temperature-changing chamber is less than subzero
When 7 degrees Celsius, controller 2000 controls entrance 300 and the 3rd outlet 303 conducting of switching valve 103.It is to say,
In the present embodiment, preset temperature can be subzero 7 degrees Celsius.
It should be noted that when the design temperature of temperature-changing chamber is higher than subzero 7 degrees Celsius, now the design temperature of temperature-changing chamber is relatively low,
Now temperature-changing chamber realizes cold storage function, the most only needs an alternating temperature vaporizer can meet the refrigeration demand of temperature-changing chamber, and works as alternating temperature
When the design temperature of room is less than subzero 7 degrees Celsius, now the design temperature of temperature-changing chamber is too low, and now, temperature-changing chamber realizes freezing merit
Can, then alternating temperature vaporizer is insufficient for the refrigeration demand of temperature-changing chamber, and therefore, controller 2000 controls switching valve 103
Switch to the 3rd outlet 303, work temperature-changing chamber is entered by the first alternating temperature vaporizer VR and the second alternating temperature vaporizer VF simultaneously
Row refrigeration.
In one particular embodiment of the present invention, the refrigeration principle of above-mentioned refrigerator is as follows: at refrigeration system 1000 running
In, when the request refrigeration of temperature-changing chamber and the design temperature of temperature-changing chamber are higher than subzero 7 degrees Celsius, refrigeration system 1000 is operated in
Under first alternating temperature refrigeration mode, i.e. temperature-changing chamber runs cold storage function, then controller 2000 control switching valve 103 switches to second
Outlet 302, then the first alternating temperature vaporizer VR and refrigerating evaporator F starts, and the first alternating temperature vaporizer VR works with to temperature-changing chamber
Freezing, so that temperature-changing chamber realizes cold storage function, meanwhile, refrigerating chamber is freezed by refrigerating evaporator F；When temperature-changing chamber please
Asking the design temperature of refrigeration and temperature-changing chamber less than subzero 7 degrees Celsius, refrigeration system 1000 is operated under the second alternating temperature refrigeration mode,
I.e. temperature-changing chamber runs freezing function, then controller 2000 control switching valve 103 switches to the 3rd outlet 303, then the second alternating temperature
Vaporizer VF and the first alternating temperature vaporizer VR and refrigerating evaporator F opens, the second alternating temperature vaporizer VF and the evaporation of the first alternating temperature
Device VR works to freeze temperature-changing chamber simultaneously, to meet the refrigeration demand of temperature-changing chamber, makes temperature-changing chamber realize freezing function, another
Aspect, refrigerating chamber is freezed by refrigerating evaporator F；When cold room request refrigeration, then controller 2000 controls switching valve
103 switch to the first outlet 301, then refrigeration evaporator R and refrigerating evaporator F starts, and cold room is entered by refrigeration evaporator R
Row refrigeration, meanwhile, refrigerating chamber is freezed by refrigerating evaporator F；When refrigerating chamber request fast-refrigerating, then controller 2000
Controlling switching valve 103 and switch to the 4th outlet 304, the most now refrigerating evaporator F opens, to freeze refrigerating chamber.
Preferably, in one embodiment of the invention, controller 2000 is additionally operable to after switching valve 103 switching control the
The alternating temperature vaporizer run after the handover is carried out defrost by one alternating temperature vaporizer VR and the second alternating temperature vaporizer VF.Concrete and
Speech, when controller 2000 needs cold preservation and the freezing function of intelligence switching temperature-changing chamber according to user, control will be transported after the handover
The alternating temperature vaporizer of row carries out defrost, thus, when temperature-changing chamber handoff functionality, and automatic defrosting, it is ensured that the frostless operation of refrigerator, carry
High refrigeration for refrigerator efficiency.
If it should be appreciated that refrigerator runs first, control switching valve 103 according to the design temperature of the temperature-changing chamber of user setup and cut
The alternating temperature that need not when shifting to corresponding alternating temperature refrigeration mode to realize cold preservation or freezing function control to run after the handover steams
Send out device and carry out defrost.
In sum, refrigerator according to embodiments of the present invention, switch Vavle switching, control according to the design temperature of temperature-changing chamber by control
Refrigeration system processed switches between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, when the design temperature of temperature-changing chamber is relatively low
Time, refrigeration system is operated under the first alternating temperature refrigeration mode, is freezed temperature-changing chamber by an alternating temperature vaporizer, so that temperature-changing chamber
Realizing cold storage function, when the design temperature of temperature-changing chamber is too low, refrigeration system is operated under the second alternating temperature refrigeration mode, starts two
Temperature-changing chamber is freezed by individual alternating temperature vaporizer, so that temperature-changing chamber realizes freezing function, therefore, the refrigerator of the present invention is by temperature-changing chamber
Inside arrange two alternating temperature vaporizers to realize temperature control between the whole district of temperature-changing chamber and cover, expand cold preservation and the freezing function of refrigerator, permissible
Need the intelligence switching cold preservation of temperature-changing chamber and freezing function according to user, expanded Consumer's Experience so that refrigerator use more follow one's inclinations,
Practicality, thus preferably meet user's request.Simultaneously when temperature-changing chamber handoff functionality, automatic defrosting, it is ensured that the frostless operation of refrigerator,
Improve refrigeration for refrigerator efficiency.
The control method of the refrigerator proposed according to embodiments of the present invention is described below.Wherein, this refrigerator includes cold room, refrigerating chamber
With temperature-changing chamber and refrigeration system, refrigeration system include compressor, refrigeration evaporator, refrigerating evaporator, the first alternating temperature vaporizer and
Second alternating temperature vaporizer and switching valve, switching valve have entrance and first to fourth outlet, refrigerating evaporator be connected to compressor with
Between 4th outlet, refrigeration evaporator is connected between the first outlet and refrigerating evaporator, and the first alternating temperature vaporizer is connected to second
Between outlet and refrigerating evaporator, the second alternating temperature vaporizer is connected between the 3rd outlet and the first alternating temperature vaporizer.
The control method of refrigerator according to embodiments of the present invention, comprises the steps:
Design temperature according to temperature-changing chamber, by controlling switching Vavle switching, controls refrigeration system at the first alternating temperature refrigeration mode and second
Switch between alternating temperature refrigeration mode, under the first alternating temperature refrigeration mode, wherein switch the entrance of valve turn on the second outlet, and the
Entrance and the 3rd outlet conducting of valve is switched under two alternating temperature refrigeration modes.
Specifically, when the design temperature of temperature-changing chamber is relatively low, when i.e. temperature-changing chamber needs to realize cold storage function, control switching valve and cut
Shifting to the second outlet, now, refrigeration system is operated under the first alternating temperature refrigeration mode, by the first alternating temperature vaporizer to temperature-changing chamber
Freeze；When the design temperature of temperature-changing chamber is too low, when i.e. temperature-changing chamber needs to realize freezing function, controller controls switching valve
Switching to the 3rd outlet, now, refrigeration system is operated under the second alternating temperature refrigeration mode, by the second alternating temperature vaporizer and first
Temperature-changing chamber is freezed by alternating temperature vaporizer.Therefore, the present invention can cover with temperature control between the whole district of temperature-changing chamber, can be according to user
Need cold preservation and the freezing function of intelligence switching temperature-changing chamber, expanded Consumer's Experience so that refrigerator use is more followed one's inclinations, practicality,
Thus preferably meet user's request.
Preferably, in one embodiment of the invention, when the design temperature of temperature-changing chamber is higher than subzero 7 degrees Celsius, control to cut
Change entrance and the second outlet conducting of valve, and when the design temperature of temperature-changing chamber is less than subzero 7 degrees Celsius, control entering of switching valve
Mouth and the 3rd outlet conducting.It should be noted that when the design temperature of temperature-changing chamber is higher than subzero 7 degrees Celsius, now temperature-changing chamber
Design temperature relatively low, now judge temperature-changing chamber be operated in cold storage function, the most only need an alternating temperature vaporizer can meet alternating temperature
The refrigeration demand of room, and when the design temperature of temperature-changing chamber is less than subzero 7 degrees Celsius, now the design temperature of temperature-changing chamber is too low,
Now judge that temperature-changing chamber is operated in freezing function, then alternating temperature vaporizer is insufficient for the refrigeration demand of temperature-changing chamber, therefore,
Control switching Vavle switching to export to the 3rd, work temperature-changing chamber is entered by the first alternating temperature vaporizer and the second alternating temperature vaporizer simultaneously
Row refrigeration.
Preferably, in one embodiment of the invention, the control method of above-mentioned refrigerator also includes: after switching Vavle switching
Control the alternating temperature vaporizer run after the handover is carried out defrost by the first alternating temperature vaporizer and the second alternating temperature vaporizer.Concrete and
Speech, when needing cold preservation and the freezing function of intelligence switching temperature-changing chamber according to user, controls the alternating temperature evaporation that will run after the handover
Device carries out defrost, thus, when temperature-changing chamber handoff functionality, automatic defrosting, it is ensured that the frostless operation of refrigerator, improves refrigeration for refrigerator effect
Rate.
If it should be appreciated that refrigerator runs first, control switching Vavle switching extremely according to the design temperature of the temperature-changing chamber of user setup
When corresponding alternating temperature refrigeration mode is to realize cold preservation or freezing function, it is not necessary to control the alternating temperature vaporizer that will run after the handover
Carry out defrost.
Specifically, in one embodiment of the invention, as it is shown on figure 3, the control method of above-mentioned refrigerator comprises the steps:
S301, obtains the design temperature of temperature-changing chamber.
The design temperature of temperature-changing chamber is configured by the human-computer interaction interface of refrigerator by user, sets when the temperature of temperature-changing chamber reaches this
During fixed temperature, then temperature-changing chamber is freezed.
S302, resolves the design temperature of temperature-changing chamber, judges temperature-changing chamber function according to the design temperature of temperature-changing chamber.
Specifically, in inventive embodiment, compare with preset temperature according to the design temperature of the temperature-changing chamber of user setup
Draw the function that user needs temperature-changing chamber to realize.Such as, preset temperature is subzero 7 degrees Celsius.When the design temperature of temperature-changing chamber is high
In subzero 7 degrees Celsius time, it is determined that temperature-changing chamber is operated in cold storage function.And when the design temperature of temperature-changing chamber is less than subzero 7 degrees Celsius
Time, it is determined that temperature-changing chamber is operated in freezing function.
S303, it is judged that whether temperature-changing chamber is operated in cold storage function, if it is, enter step S304, otherwise enters step S306.
S304, switches to the first alternating temperature vaporizer direction.I.e. when the design temperature of temperature-changing chamber is higher than subzero 7 degrees Celsius, control
Switching Vavle switching is to the second outlet.And enter next step.
S305, defrost once, and controls the first alternating temperature evaporator operation, to freeze temperature-changing chamber after defrost terminates.
S306, temperature-changing chamber is operated in freezing function, switches to the second alternating temperature vaporizer and the first alternating temperature evaporator series direction.I.e.
When the design temperature of temperature-changing chamber is less than subzero 7 degrees Celsius, control switching Vavle switching to the 3rd outlet.And enter next step.
S307, once, and design temperature according to temperature-changing chamber controls the second alternating temperature vaporizer and first and becomes after defrost terminates in defrost
Temperature evaporator operation, to freeze to temperature-changing chamber.
It should be noted that in an embodiment of the present invention, temperature-changing chamber is realized by arranging two alternating temperature vaporizers at temperature-changing chamber
Between the whole district, temperature control covers, and can automatically judge temperature-changing chamber function according to the design temperature of the temperature-changing chamber of user setup, thus realize " 2
Between room combination cold room " function of " combination freeze room, 2 rooms " so that refrigerator is according to the setting temperature of the temperature-changing chamber of user setup
Degree is operated in formulation function, intelligence switching cold preservation and freezing function, simultaneously when handoff functionality, automatic defrosting, it is ensured that refrigerator without
Frost runs.
Further, in one embodiment of the invention, the control method of above-mentioned refrigerator also includes: freezing temperature-changing chamber
During, the temperature of detection temperature-changing chamber, and judge whether the temperature of temperature-changing chamber is less than the shutdown temperature of temperature-changing chamber；If alternating temperature
The temperature of room less than the shutdown temperature of temperature-changing chamber, then stops freezing temperature-changing chamber, otherwise continues to freeze temperature-changing chamber.
In sum, the control method of refrigerator according to embodiments of the present invention, switched by control according to the design temperature of temperature-changing chamber
Vavle switching, controls refrigeration system and switches between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, when the setting of temperature-changing chamber
When temperature is relatively low, refrigeration system is operated under the first alternating temperature refrigeration mode, is freezed temperature-changing chamber by an alternating temperature vaporizer, with
Making temperature-changing chamber realize cold storage function, when the design temperature of temperature-changing chamber is too low, refrigeration system is operated under the second alternating temperature refrigeration mode,
Starting two alternating temperature vaporizers to freeze temperature-changing chamber, so that temperature-changing chamber realizes freezing function, therefore, the present invention can be with temperature-changing chamber
Between the whole district, temperature control covers, and can need cold preservation and the freezing function of intelligence switching temperature-changing chamber according to user, expand Consumer's Experience,
Make refrigerator use more follow one's inclinations, practical, thus preferably meet user's request.Simultaneously when temperature-changing chamber handoff functionality, automatically
Defrosting, it is ensured that the frostless operation of refrigerator, improves refrigeration for refrigerator efficiency.
Any process described otherwise above or method describe and are construed as in flow chart or at this, represent include one or
The module of code, fragment or the part of the executable instruction of the more steps for realizing specific logical function or process, and
The scope of the preferred embodiment of the present invention includes other realization, wherein can not be by order that is shown or that discuss, including root
According to involved function by basic mode simultaneously or in the opposite order, performing function, this should be by embodiments of the invention institute
Belong to those skilled in the art to be understood.
Represent in flow charts or the logic described otherwise above at this and/or step, for example, it is possible to be considered as reality
The sequencing list of the executable instruction of existing logic function, may be embodied in any computer-readable medium, holds for instruction
Row system, device or equipment (system such as computer based system, including processor or other can from instruction execution system,
Device or equipment instruction fetch also perform the system of instruction) use, or combine these instruction execution systems, device or equipment and use.
For the purpose of this specification, " computer-readable medium " can be any can comprise, store, communicate, propagate or transmission procedure with
For instruction execution system, device or equipment or combine these instruction execution systems, device or equipment and device.Computer
The more specifically example (non-exhaustive list) of computer-readable recording medium includes following: have the electrical connection section (electricity of one or more wiring
Sub-device), portable computer diskette box (magnetic device), random-access memory (ram), read only memory (ROM), erasable
Except editing read only memory (EPROM or flash memory), fiber device, and portable optic disk read only memory (CDROM).
It addition, computer-readable medium can even is that paper or other the suitable media that can print described program thereon, because permissible
Such as by paper or other media are carried out optical scanning, then carry out editing, interpret or carrying out with other suitable methods if desired
Process and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize by hardware, software, firmware or combinations thereof.In above-mentioned enforcement
In mode, multiple steps or method can be with storing the software or firmware that in memory and be performed by suitable instruction execution system
Realize.Such as, if realized with hardware, with the most the same, available following technology well known in the art
In any one or their combination realize: have and patrol for the discrete of logic gates that data signal is realized logic function
Collect circuit, there is the special IC of suitable combination logic gate circuit, programmable gate array (PGA), field programmable gate
Array (FPGA) etc..
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is can
Completing instructing relevant hardware by program, described program can be stored in a kind of computer-readable recording medium, should
Program upon execution, including one or a combination set of the step of embodiment of the method.
Additionally, each functional unit in each embodiment of the present invention can be integrated in a processing module, it is also possible to be each
Unit is individually physically present, it is also possible to two or more unit are integrated in a module.Above-mentioned integrated module is the most permissible
The form using hardware realizes, it would however also be possible to employ the form of software function module realizes.If described integrated module is with software merit
Can the form of module realize and as independent production marketing or when using, it is also possible to be stored in the storage of embodied on computer readable and be situated between
In matter.
Storage medium mentioned above can be read only memory, disk or CD etc..
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Person's feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
It is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can be in office
What one or more embodiments or example combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: without departing from this
These embodiments can be carried out multiple change in the case of the principle of invention and objective, revise, replace and modification, the present invention's
Scope is limited by claim and equivalent thereof.
Claims (10)
1. a refrigerator, it is characterised in that including:
Casing, has cold room, refrigerating chamber and temperature-changing chamber in described casing；
Refrigeration system, described refrigeration system includes:
Compressor；
Condenser, described condenser is connected with described compressor, described condenser include the first condenser of being serially connected and
It is provided with anti-condensation pipe between second condenser, and described first condenser and the second condenser；
Refrigeration evaporator and refrigerating evaporator, described refrigerating evaporator is connected with described compressor；
First alternating temperature vaporizer and the second alternating temperature vaporizer；
Switching valve, described switching valve has entrance and first and is exported to the 4th outlet, and described entrance is connected with described condenser,
Described refrigerating evaporator is connected between described compressor and described 4th outlet, and described refrigeration evaporator is connected to described first and goes out
Mouthful and described refrigerating evaporator between, described first alternating temperature vaporizer be connected to described second outlet with described refrigerating evaporator it
Between, described second alternating temperature vaporizer is connected between described 3rd outlet and described first alternating temperature vaporizer；And
Controller, described controller is connected with described switching valve, described by controlling for the design temperature according to described temperature-changing chamber
Switching Vavle switching, controls described refrigeration system and switches between the first alternating temperature refrigeration mode and the second alternating temperature refrigeration mode, Qi Zhong
The entrance of described switching valve and described second outlet conducting under described first alternating temperature refrigeration mode, and at described second alternating temperature refrigeration mould
The entrance of described switching valve and described 3rd outlet conducting under formula.
2. refrigerator as claimed in claim 1, it is characterised in that described controller is additionally operable to after described switching Vavle switching
Control the alternating temperature vaporizer run after the handover is carried out defrost by described first alternating temperature vaporizer and the second alternating temperature vaporizer.
3. refrigerator as claimed in claim 1 or 2, it is characterised in that the temperature range of described temperature-changing chamber comprises described cold preservation
Room and the temperature range of described refrigerating chamber.
4. refrigerator as claimed in claim 3, it is characterised in that the temperature range of described cold room be 2 degree Celsius-8 Celsius
Degree, the temperature range of described refrigerating chamber is subzero 16 degrees Celsius-subzero 24 degrees Celsius, and the temperature range of described temperature-changing chamber is 10
Degrees Celsius-subzero 24 degrees Celsius.
5. refrigerator as claimed in claim 4, it is characterised in that when the design temperature of described temperature-changing chamber is 7 Celsius higher than subzero
When spending, described controller controls the entrance of described switching valve and described second outlet conducting, and when the design temperature of described temperature-changing chamber
During less than subzero 7 degrees Celsius, described controller controls the entrance of described switching valve and described 3rd outlet conducting.
6. refrigerator as claimed in claim 1, it is characterised in that described switching valve is electromagnetic valve.
7. the control method of a refrigerator, it is characterised in that described refrigerator includes cold room, refrigerating chamber and temperature-changing chamber and refrigeration
System, described refrigeration system includes compressor, condenser, refrigeration evaporator, refrigerating evaporator, the first alternating temperature vaporizer and
Two alternating temperature vaporizers and switching valve, described switching valve has entrance and first to fourth outlet, and described refrigerating evaporator is connected to institute
State compressor and described 4th outlet between, described refrigeration evaporator be connected to described first outlet with described refrigerating evaporator it
Between, described first alternating temperature vaporizer is connected between described second outlet and described refrigerating evaporator, described second alternating temperature vaporizer
Be connected between described 3rd outlet and described first alternating temperature vaporizer, described condenser include the first condenser of being serially connected and
Being provided with anti-condensation pipe between second condenser, and described first condenser and the second condenser, described control method includes walking as follows
Rapid:
Design temperature according to described temperature-changing chamber, by controlling described switching Vavle switching, controls described refrigeration system in the first alternating temperature system
Between chill formula and the second alternating temperature refrigeration mode switch, wherein under described first alternating temperature refrigeration mode the entrance of described switching valve with
Described second outlet conducting, and the entrance of described switching valve and described 3rd outlet conducting under described second alternating temperature refrigeration mode.
8. the control method of refrigerator as claimed in claim 7, it is characterised in that also include: described switching Vavle switching it
The alternating temperature vaporizer run after the handover is carried out defrost by the described first alternating temperature vaporizer of rear control and the second alternating temperature vaporizer.
9. the control method of refrigerator as claimed in claim 7, it is characterised in that
When the design temperature of described temperature-changing chamber is higher than subzero 7 degrees Celsius, control the entrance of described switching valve and described second outlet
Conducting, and when the design temperature of described temperature-changing chamber is less than subzero 7 degrees Celsius, control the entrance and the described 3rd of described switching valve
Outlet conducting.
10. the control method of refrigerator as claimed in claim 8, it is characterised in that also include:
During described temperature-changing chamber is freezed, detect the temperature of described temperature-changing chamber, and whether judge the temperature of described temperature-changing chamber
Shutdown temperature less than described temperature-changing chamber；
If the temperature of described temperature-changing chamber is less than the shutdown temperature of described temperature-changing chamber, then stops described temperature-changing chamber is freezed, otherwise continue
Continue and described temperature-changing chamber is freezed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310396090.6A CN103423944B (en) | 2013-09-04 | 2013-09-04 | Refrigerator and control method thereof |
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| CN201310396090.6A CN103423944B (en) | 2013-09-04 | 2013-09-04 | Refrigerator and control method thereof |
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| CN103423944A CN103423944A (en) | 2013-12-04 |
| CN103423944B true CN103423944B (en) | 2016-09-28 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106152659A (en) * | 2016-06-29 | 2016-11-23 | Tcl家用电器（合肥）有限公司 | Evaporimeter Defrost method and the refrigerator using the method |
| CN106152674B (en) * | 2016-07-29 | 2019-01-15 | 合肥华凌股份有限公司 | The control method and refrigerator of refrigerator |
| CN106766479B (en) * | 2016-12-09 | 2019-11-26 | 青岛海尔股份有限公司 | A kind of the simple gate refrigerator and its control method of temperature-changeable |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11183007A (en) * | 1997-12-19 | 1999-07-06 | Toshiba Corp | Refrigerator |
| US6145326A (en) * | 1999-04-29 | 2000-11-14 | Systematic Refrigeration, Inc. | Forced oil cooling for refrigeration compressor |
| WO2000070962A1 (en) * | 1999-05-20 | 2000-11-30 | Specialty Equipment Companies, Inc. | Improved beater/dasher for semi-frozen, frozen food dispensing machines |
| JP3576040B2 (en) * | 1999-06-10 | 2004-10-13 | 松下冷機株式会社 | Cooling systems and refrigerators |
| CN201575652U (en) * | 2009-07-16 | 2010-09-08 | 海信（北京）电器有限公司 | Direct cooling refrigerator |
| CN102331153B (en) * | 2011-09-22 | 2013-07-24 | 合肥美的荣事达电冰箱有限公司 | Refrigeration system, and control method thereof, and refrigeration equipment with refrigeration system |
| CN202304189U (en) * | 2011-10-13 | 2012-07-04 | 海尔集团公司 | Direct cooling refrigerator |
| CN202648285U (en) * | 2012-01-09 | 2013-01-02 | 海尔集团公司 | Multi-temperature zone refrigerator |
| CN102589182B (en) * | 2012-03-05 | 2014-08-13 | 合肥美的电冰箱有限公司 | Refrigeration system, refrigerator having the refrigeration system and controlling method of the refrigerator |
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2013
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