CN105180587A - Refrigerator and control method thereof - Google Patents
Refrigerator and control method thereof Download PDFInfo
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- CN105180587A CN105180587A CN201510607426.8A CN201510607426A CN105180587A CN 105180587 A CN105180587 A CN 105180587A CN 201510607426 A CN201510607426 A CN 201510607426A CN 105180587 A CN105180587 A CN 105180587A
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- refrigerating chamber
- refrigeration system
- temperature
- rotating speed
- current temperatures
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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
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
- F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention relates to a refrigerator and a control method thereof. The refrigerator comprises a refrigerating chamber, a freezing chamber and a refrigerating system. The control method of the refrigerator includes the steps that according to set temperatures of the refrigerating chamber and the freezing chamber, the lower limit temperatures of the refrigerating chamber and the freezing chamber are calculated respectively; the current temperature of the refrigerating chamber is acquired; whether the current temperature of the refrigerating chamber is higher than the lower limit temperature of the refrigerating chamber or not is judged; if yes, operation parameters of the refrigerating system are adjusted, so that the refrigerating system is operated in a first operation mode; if not, the current temperature of the freezing chamber is directly acquired; whether the current temperature of the freezing chamber is higher than the lower limit temperature of the freezing chamber or not is judged; if yes, the operation parameters of the refrigerating system are adjusted, so that the refrigerating system is operated in a second operation mode; if not, whether the current temperatures of the refrigerating chamber and the freezing chamber are both lower than the corresponding lower limit temperatures or not is directly judged; if yes, operation of the refrigerating system is stopped; and if not, the current temperature of the refrigerating chamber is acquired again. The refrigerator further comprises a temperature sensor assembly and a control device.
Description
Technical field
The present invention relates to household electrical appliance, particularly relate to a kind of refrigerator and control method thereof.
Background technology
For direct cooling refrigerator, its refrigeration system adopts the form of being connected in series usually, namely the compressor of refrigeration system, condenser, restricting element are connected successively with evaporimeter, simultaneously for refrigerator multiple storings between room (such as refrigerating chamber and refrigerating chamber) cold is provided.But this refrigeration system can not mate the thermic load required for each room, cooling rate is comparatively slow, and energy consumption is larger.
A kind of refrigeration system of connection in series-parallel form is also there is in prior art, it comprises and is respectively refrigeration evaporator and the refrigerating evaporator that refrigerating chamber and refrigerating chamber provide cold, refrigeration evaporator and refrigerating evaporator are arranged in parallel, thus refrigeration evaporator and refrigerating evaporator can be adopted in theory respectively to freeze to refrigerating chamber and refrigerating chamber respectively.But do not have a kind of feasible control method of refrigerating chamber and refrigerating chamber being carried out to alternately refrigeration in prior art, control program of the prior art all rests on theoretic, is in fact difficult to carry out; Namely existing control program allows to implement, in the specific implementation can not thermic load required for each room of accurate match, and therefore cooling rate is comparatively slow, and energy consumption is larger.
Summary of the invention
An object of first aspect present invention is intended to overcome at least one defect of the prior art, provides that a kind of cooling rate is fast, energy consumption is low and is easy to the bicirculating controlling method for refrigerator of parallel connection that realizes.
Another object of first aspect present invention is the rotating speed regulating compressor according to the temperature automatic classification of refrigerating chamber and refrigerating chamber, to improve cooling rate further and to reduce energy consumption.
The object of second aspect present invention is to provide a kind of refrigerator.
According to a first aspect of the invention, the invention provides a kind of control method of refrigerator, described refrigerator comprises for the refrigerating chamber of stored article and refrigerating chamber and for providing the refrigeration system of cold for described refrigerating chamber and described refrigerating chamber, and described control method comprises:
Step S1: the lower limit temperature calculating described refrigerating chamber and described refrigerating chamber according to the design temperature of described refrigerating chamber and described refrigerating chamber respectively;
Step S2: the Current Temperatures obtaining described refrigerating chamber;
Step S3: judge that the Current Temperatures of described refrigerating chamber is whether higher than the lower limit temperature of described refrigerating chamber;
Step S4: the operational factor if so, then regulating described refrigeration system, makes described refrigeration system run with a first operation mode; If not, then directly S5 is gone to step;
Step S5: the Current Temperatures obtaining described refrigerating chamber;
Step S6: judge that the Current Temperatures of described refrigerating chamber is whether higher than the lower limit temperature of described refrigerating chamber;
Step S7: the operational factor if so, then regulating described refrigeration system, makes described refrigeration system run in the second operating mode; If not, then directly S8 is gone to step;
Step S8: judge that whether the Current Temperatures of described refrigerating chamber and described refrigerating chamber is all lower than the lower limit temperature of its correspondence; With
Step S9: the operation if so, then stopping described refrigeration system; If not, then step S2 is back to.
Alternatively, described refrigeration system comprises magnetic valve, compressor and the refrigeration evaporator be arranged in parallel and refrigerating evaporator, and the operational factor of described refrigeration system comprises the open and-shut mode of described magnetic valve and the rotating speed of described compressor.
Alternatively, in described step S4, regulate the operational factor of described refrigeration system, the operation that described refrigeration system is run with a first operation mode comprises:
Step S41: first outlet of opening described magnetic valve, makes it be communicated with described refrigeration evaporator;
Step S42: judge that whether the Current Temperatures of described refrigerating chamber is higher than the first preset temperature;
Step S43: if the Current Temperatures of described refrigerating chamber is higher than the first preset temperature, then control described compressor and run the first preset duration with the first rotating speed; With
Step S44: if the Current Temperatures of described refrigerating chamber is lower than the first preset temperature, then control described compressor and run the second preset duration with the second rotating speed.
Alternatively, in described step S7, regulate the operational factor of described refrigeration system, the operation that described refrigeration system is run in the second operating mode comprises:
Step S71: second outlet of opening described magnetic valve, makes it be communicated with described refrigerating evaporator;
Step S72: judge that whether the Current Temperatures of described refrigerating chamber is higher than the second preset temperature;
Step S73: if the Current Temperatures of described refrigerating chamber is higher than the second preset temperature, then control described compressor and run the 3rd preset duration with the 3rd rotating speed; With
Step S74: if the Current Temperatures of described refrigerating chamber is lower than the second preset temperature, then control described compressor and run the 4th preset duration with the 4th rotating speed.
Alternatively, the lower limit temperature of described refrigerating chamber and described refrigerating chamber is respectively by following formulae discovery:
T
R-U＝T
R-t
1，T
F-U＝T
F-t
2；
Wherein, T
r-Urepresent the lower limit temperature of described refrigerating chamber, T
f-Urepresent the lower limit temperature of described refrigerating chamber, T
rrepresent the design temperature of described refrigerating chamber, T
frepresent the design temperature of described refrigerating chamber, t
1and t
2for constant.
Alternatively, described first preset temperature and described second preset temperature are respectively by following formulae discovery:
T
1＝T
R-U+t
3，T
2＝T
F-U+t
4；
Wherein, T
1represent described first preset temperature, T
2represent described second preset temperature, t
3and t
4for constant, and t
3>=t
1, t
4>=t
2.
Alternatively, described first rotating speed, described second rotating speed, pass between described 3rd rotating speed and described 4th rotating speed are:
D
3＞D
4＞D
1＞D
2；
Wherein, D
1represent described first rotating speed, D
2represent described second rotating speed, D
3represent described 3rd rotating speed, D
4represent described 4th rotating speed.
Alternatively, described first preset duration and described second preset duration are all less than described 3rd preset duration, and described first preset duration and described second preset duration are all less than described 4th preset duration.
Alternatively, also comprised before described step S1:
Step S0: receive the temperature setting signal being used to indicate the design temperature of described refrigerating chamber and described refrigerating chamber.
According to a second aspect of the invention, the present invention also provides a kind of refrigerator, comprises the casing that is limited with refrigerating chamber and refrigerating chamber and for providing the refrigeration system of cold for described refrigerating chamber and described refrigerating chamber, described refrigerator also comprises:
Temperature sensor assembly, is disposed for the Current Temperatures detecting described refrigerating chamber and described refrigerating chamber; With
Control device, is configured to adopt above-mentioned arbitrary described control method to control the operation of described refrigeration system.
In refrigerator of the present invention and control method thereof, because first this control method regulates the parameter of refrigeration system according to the difference between the Current Temperatures of refrigerating chamber and the lower limit temperature of refrigerating chamber, then regulate the parameter of refrigeration system according to the difference between the Current Temperatures of refrigerating chamber and the lower limit temperature of refrigerating chamber.Therefore, the alternate cycles process of refrigerastion of refrigerating chamber after first refrigerating chamber can be carried out, this process of refrigerastion is easy to realize and control, and the actual heating load of the operation of refrigeration system and refrigerating chamber and refrigerating chamber can be matched by regulating the parameter of refrigeration system, thus rapidly the temperature of refrigerating chamber and refrigerating chamber can be reduced to below the lower limit temperature of its correspondence, almost there is no the waste of energy, and then reduce the energy consumption of whole refrigerator.
Further, in refrigerator of the present invention and control method thereof, in the separate refrigeration process of refrigerating chamber or refrigerating chamber, can realize carrying out automatic classification control to the compressor of refrigeration system, thus run with different rotating speeds according to the Current Temperatures of refrigerating chamber or the refrigerating chamber compressor that controls in various degree higher than its lower limit temperature, thus the actual heating load of the operation of refrigeration system and refrigerating chamber and refrigerating chamber is matched more exactly, then improve the temperature reducing rate of refrigerating chamber and refrigerating chamber further, reduce the energy consumption of refrigerator further.
According to hereafter by reference to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will understand above-mentioned and other objects, advantage and feature of the present invention more.
Accompanying drawing explanation
Hereinafter describe specific embodiments more of the present invention with reference to the accompanying drawings by way of example, and not by way of limitation in detail.Reference numeral identical in accompanying drawing denotes same or similar parts or part.It should be appreciated by those skilled in the art that these accompanying drawings may not be drawn in proportion.In accompanying drawing:
Fig. 1 is the schematic block diagram of refrigerator according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the refrigeration system of refrigerator according to an embodiment of the invention;
Fig. 3 is the indicative flowchart of the control method of refrigerator according to an embodiment of the invention;
Fig. 4 is indicative flowchart when refrigeration system is run with a first operation mode in the control method of refrigerator according to an embodiment of the invention;
Fig. 5 is indicative flowchart when refrigeration system is run in the second operating mode in the control method of refrigerator according to an embodiment of the invention.
Detailed description of the invention
Fig. 1 is the schematic block diagram of refrigerator according to an embodiment of the invention.The refrigerator of the embodiment of the present invention comprises for the refrigerating chamber of stored article and refrigerating chamber and for providing the refrigeration system 100 of cold for refrigerating chamber and refrigerating chamber.The temperature that refrigerating chamber and refrigerating chamber have is different, thinks that refrigerator 10 provides multiple different storing environment, meets the multiple demand of user.
Fig. 2 is the schematic diagram of the refrigeration system of refrigerator according to an embodiment of the invention.In some embodiments of the invention, refrigeration system 100 can be the compression refrigeration circulatory system, comprises compressor 110, condenser 120, magnetic valve 130, refrigeration evaporator 141 and refrigerating evaporator 142.Wherein refrigeration evaporator 141 and refrigerating evaporator 142 are arranged in parallel.Magnetic valve 130 can be three-way magnetic valve, and it has import C, the first outlet A and second outlet B, and wherein import C is connected with condenser 120, and the first outlet A is connected with refrigeration evaporator 141, and the second outlet B is connected with refrigerating evaporator 142.
Further, refrigeration system 100 also comprises the refrigeration capillary 151 and freezing capillary 152 of connecting with refrigeration evaporator 141 and refrigerating evaporator 142 respectively.First outlet A of magnetic valve 130 is communicated with refrigeration evaporator 141 by refrigeration capillary 151, and the second outlet B of magnetic valve 130 is communicated with refrigerating evaporator 142 by freezing capillary 152.Check valve 160 is also provided with, to avoid refrigerant return to refrigerating evaporator in the serial flow circuit of freezing capillary 152 and refrigerating evaporator 142.
In some embodiments of the invention, see Fig. 1, refrigerator 10 also comprises temperature sensor assembly 200 and control device 300.Temperature sensor assembly 200 is disposed for the Current Temperatures detecting refrigerating chamber and refrigerating chamber.Temperature sensor assembly 200 can comprise two temperature sensors being separately positioned on refrigerating chamber and refrigerating chamber, to detect the Current Temperatures of refrigerating chamber and refrigerating chamber respectively.Refrigerating chamber alleged by the present invention or the Current Temperatures of refrigerating chamber mean refrigerating chamber or the refrigerating chamber actual temperature in the current a certain moment.
Further, control device 300 can be configured to the lower limit temperature calculating refrigerating chamber and refrigerating chamber according to the design temperature of refrigerating chamber and refrigerating chamber respectively.The design temperature of refrigerating chamber and refrigerating chamber is user and wishes the temperature that refrigerating chamber and refrigerating chamber reach.Control device 300 can accept the design temperature of user's input and calculate the lower limit temperature of room between each storing according to the operation program set in it.
Control device 300 is also configured to first to obtain the Current Temperatures of refrigerating chamber and judges that the Current Temperatures of refrigerating chamber is whether higher than the lower limit temperature of its refrigerating chamber calculated, when the Current Temperatures of refrigerating chamber runs with a first operation mode higher than controlling refrigeration system 100 during its lower limit temperature, when lower than the Current Temperatures obtaining refrigerating chamber during its lower limit temperature again, the Current Temperatures of refrigerating chamber judges that the Current Temperatures of refrigerating chamber is whether higher than the lower limit temperature of its refrigerating chamber calculated, when the Current Temperatures of refrigerating chamber runs in the second operating mode higher than controlling refrigeration system 100 during its lower limit temperature, when the Current Temperatures of refrigerating chamber is lower than judging during its lower limit temperature that whether the Current Temperatures of refrigerating chamber and refrigerating chamber is all lower than the lower limit temperature of its correspondence, if the Current Temperatures of refrigerating chamber and refrigerating chamber is all lower than the lower limit temperature of its correspondence, then stop the operation of refrigeration system 100.First operational mode of refrigeration system 100 is refrigeration chamber operational mode, and the second operational mode is refrigerating chamber cooling operation mode.
In some embodiments of the invention, whether control device 300 is also configured to run the first preset duration with the first rotating speed respectively higher than the first preset temperature control compressor and run the second preset duration with the second rotating speed according to the Current Temperatures of refrigerating chamber in the process run with a first operation mode in refrigeration system 100.
Further, in some embodiments of the invention, control device 300 is also configured to whether control compressor respectively with the 3rd rotating speed operation the 3rd preset duration with the 4th rotating speed operation the 4th preset duration higher than the second preset temperature according to the Current Temperatures of refrigerating chamber in the process run in the second operating mode in refrigeration system 100.
The embodiment of the present invention also provides a kind of control method of refrigerator, is applicable to control any one refrigerator 10 in above embodiment.That is, control device 300 adopts the control method in following any embodiment to control the operation of refrigeration system 100.
Fig. 3 is the indicative flowchart of the control method of refrigerator according to an embodiment of the invention, and the control method of refrigerator 10 comprises:
Step S1: the lower limit temperature calculating refrigerating chamber and refrigerating chamber according to the design temperature of refrigerating chamber and refrigerating chamber respectively;
Step S2: the Current Temperatures obtaining refrigerating chamber;
Step S3: judge that the Current Temperatures of refrigerating chamber is whether higher than the lower limit temperature of refrigerating chamber;
Step S4: the operational factor if so, then regulating refrigeration system, makes refrigeration system run with a first operation mode; If not, then directly S5 is gone to step;
Step S5: the Current Temperatures obtaining refrigerating chamber;
Step S6: judge that the Current Temperatures of refrigerating chamber is whether higher than the lower limit temperature of refrigerating chamber;
Step S7: the operational factor if so, then regulating refrigeration system, makes refrigeration system run in the second operating mode; If not, then directly S8 is gone to step;
Step S8: judge that whether the Current Temperatures of refrigerating chamber and refrigerating chamber is all lower than the lower limit temperature of its correspondence; With
Step S9: the operation if so, then stopping refrigeration system; If not, then step S2 is back to.
Further, in some embodiments of the invention, also comprised before step S1:
Step S0: receive the temperature setting signal being used to indicate the design temperature of refrigerating chamber and refrigerating chamber.This temperature setting signal can be the initial temperature setting instruction of its inner setting when the design temperature instruction of user's input or refrigerator 10 are started shooting first.
As can be seen here, first controlling method for refrigerator in the embodiment of the present invention regulates the parameter of refrigeration system 100 according to the difference between the Current Temperatures of refrigerating chamber and the lower limit temperature of refrigerating chamber, then regulate the parameter of refrigeration system 100 according to the difference between the Current Temperatures of refrigerating chamber and the lower limit temperature of refrigerating chamber.Therefore, refrigerator 10 can carry out the alternate cycles process of refrigerastion of refrigerating chamber after first refrigerating chamber, this process of refrigerastion is easy to realize and control, and the actual heating load of the operation of refrigeration system 100 and refrigerating chamber and refrigerating chamber can be matched by regulating the parameter of refrigeration system 100, thus rapidly the temperature of refrigerating chamber and refrigerating chamber can be reduced to below the lower limit temperature of its correspondence, almost there is no the waste of energy in this process, and then reduce the energy consumption of whole refrigerator 10.
In some embodiments of the invention, the operational factor of refrigeration system 100 can comprise the open and-shut mode of magnetic valve 130 and the rotating speed of compressor 110.The open and-shut mode of magnetic valve 130 is the state that magnetic valve 130 first exports A and second outlet B, that is, the open and-shut mode of magnetic valve 130 can comprise that its import C and first exports A conducting, import C and second exports B conducting and import C and first exports A and the second import B all these three kinds of states of not conducting.
Fig. 4 is indicative flowchart when refrigeration system is run with a first operation mode in the control method of refrigerator according to an embodiment of the invention.In some embodiments of the invention, in step s 4 which, regulate the operational factor of refrigeration system 100, the operation that refrigeration system 100 is run with a first operation mode comprises:
Step S41: the first outlet A opening magnetic valve 130, makes it be communicated with refrigeration evaporator 141;
Step S42: judge that whether the Current Temperatures of refrigerating chamber is higher than the first preset temperature;
Step S43: if the Current Temperatures of refrigerating chamber is higher than the first preset temperature, then control compressor 110 and run the first preset duration with the first rotating speed; With
Step S44: if the Current Temperatures of refrigerating chamber is lower than the first preset temperature, then control compressor 110 and run the second preset duration with the second rotating speed.
That is, when the Current Temperatures of refrigerating chamber is higher than its lower limit temperature, whether classification can also be carried out higher than the first preset temperature to the temperature in refrigerating chamber according to the Current Temperatures in refrigerating chamber, to carry out grading control to the rotating speed of compressor 110, to make the refrigerating capacity of refrigeration system 100 closer to the refrigerating capacity of refrigerating chamber institute actual needs, the energy consumption that fast cooling can reduce again refrigerator 10 can be reached.It will be understood by those skilled in the art that above-mentioned steps S43 and step S44 is two optional steps side by side, the sequencing on the two is not free.
Fig. 5 is indicative flowchart when refrigeration system is run in the second operating mode in the control method of refrigerator according to an embodiment of the invention.In some embodiments of the invention, in the step s 7, regulate the operational factor of refrigeration system 100, the operation that refrigeration system 100 is run in the second operating mode comprises:
Step S71: the second outlet B opening magnetic valve 130, makes it be communicated with refrigerating evaporator 142;
Step S72: judge that whether the Current Temperatures of refrigerating chamber is higher than the second preset temperature;
Step S73: if the Current Temperatures of refrigerating chamber is higher than the second preset temperature, then control compressor 110 and run the 3rd preset duration with the 3rd rotating speed; With
Step S74: if the Current Temperatures of refrigerating chamber is lower than the second preset temperature, then control compressor 110 and run the 4th preset duration with the 4th rotating speed.
That is, when the Current Temperatures of refrigerating chamber is higher than its lower limit temperature, whether classification can also be carried out higher than the second preset temperature to the temperature in refrigerating chamber according to the Current Temperatures in refrigerating chamber, to carry out grading control to the rotating speed of compressor 110, to make the refrigerating capacity of refrigeration system 100 closer to the refrigerating capacity of refrigerating chamber institute actual needs, the energy consumption that fast cooling can reduce again refrigerator 10 can be reached.It will be understood by those skilled in the art that above-mentioned steps S73 and step S74 is two optional steps side by side, the sequencing on the two is not free.
As can be seen here, in the separate refrigeration process of refrigerating chamber or refrigerating chamber, can realize carrying out automatic classification control to the compressor 110 of refrigeration system 100, thus run with different rotating speeds according to the Current Temperatures of refrigerating chamber or the refrigerating chamber compressor 110 that controls in various degree higher than its lower limit temperature, thus the actual heating load of the operation of refrigeration system 100 and refrigerating chamber and refrigerating chamber is matched more exactly, then improve the temperature reducing rate of refrigerating chamber and refrigerating chamber further, reduce the energy consumption of refrigerator 10 further.
In some embodiments of the invention, the lower limit temperature of refrigerating chamber and refrigerating chamber is respectively by following formulae discovery:
T
r-U=T
r-t
1; (formula one)
T
f-U=T
f-t
2; (formula two)
Wherein, T
r-Urepresent the lower limit temperature of refrigerating chamber, T
f-Urepresent the lower limit temperature of refrigerating chamber, T
rrepresent the design temperature of refrigerating chamber, T
frepresent the design temperature of refrigerating chamber, t
1and t
2for constant.Particularly, t
1and t
2for 1 DEG C can be.That is, lower limit temperature its design temperature comparable of refrigerating chamber is low 1 DEG C, and lower limit temperature its design temperature comparable of refrigerating chamber is low 1 DEG C.
Further, the first preset temperature and the second preset temperature are respectively by following formulae discovery:
T
1=T
r-U+ t
3; (formula three)
T
2=T
f-U+ t
4; (formula four)
Wherein, T
1represent the first preset temperature, T
2represent the second preset temperature, t
3and t
4for constant, and t
3>=t
1, t
4>=t
2.Particularly, t
3and t
4for 2 DEG C can be.That is, the first preset temperature is usually higher than or equals the design temperature of refrigerating chamber, the second preset temperature usually above or equal the design temperature of refrigerating chamber.
In some embodiments of the invention, the first rotating speed, the second rotating speed, pass between the 3rd rotating speed and the 4th rotating speed are:
D
3> D
4> D
1> D
2; (formula five)
Wherein, D
1represent the first rotating speed, D
2represent the second rotating speed, D
3represent the 3rd rotating speed, D
4represent the 4th rotating speed.
That is, when refrigeration system 100 pairs of refrigerating chambers freeze, required compressor rotary speed is higher than compressor rotary speed required when refrigeration system 100 pairs of refrigerating chambers freeze.And temperature in refrigerating chamber or refrigerating chamber is higher, required refrigerating capacity is larger, and the rotation speed requirements of compressor 110 is higher.Particularly, in embodiments of the present invention, D
1can value be 1600 rpms, D
2can value be 2000 rpms, D
3can value be 3000 rpms, D
4can value it be 4300 rpms.
In some embodiments of the invention, the first preset duration and the second preset duration are all less than the 3rd preset duration, and the first preset duration and the second preset duration are all less than the 4th preset duration.That is, the time that refrigeration system 100 pairs of refrigerating chambers carry out separate refrigeration is less than the time that refrigeration system 100 pairs of refrigerating chambers carry out separate refrigeration, to meet the larger refrigeration requirement of refrigerating chamber.Particularly, in embodiments of the present invention, the first preset duration, the second preset duration, the 3rd preset duration and the 4th preset duration can be respectively 5 minutes, 5 minutes, 10 minutes and 10 minutes.
It will be understood by those skilled in the art that, the span of the various parameters in the embodiment of the present invention is all carry out a large amount of experiments for the direct cooling refrigerator of common model and obtain after summing up, for dissimilar and refrigerator that is model, the value of the various parameters in the embodiment of the present invention can be slightly different within the specific limits.
So far, those skilled in the art will recognize that, although multiple exemplary embodiment of the present invention is illustrate and described herein detailed, but, without departing from the spirit and scope of the present invention, still can directly determine or derive other modification many or amendment of meeting the principle of the invention according to content disclosed by the invention.Therefore, scope of the present invention should be understood and regard as and cover all these other modification or amendments.
Claims (10)
1. a control method for refrigerator, described refrigerator comprises for the refrigerating chamber of stored article and refrigerating chamber and for providing the refrigeration system of cold for described refrigerating chamber and described refrigerating chamber, and it is characterized in that, described control method comprises:
Step S1: the lower limit temperature calculating described refrigerating chamber and described refrigerating chamber according to the design temperature of described refrigerating chamber and described refrigerating chamber respectively;
Step S2: the Current Temperatures obtaining described refrigerating chamber;
Step S3: judge that the Current Temperatures of described refrigerating chamber is whether higher than the lower limit temperature of described refrigerating chamber;
Step S4: the operational factor if so, then regulating described refrigeration system, makes described refrigeration system run with a first operation mode; If not, then directly S5 is gone to step;
Step S5: the Current Temperatures obtaining described refrigerating chamber;
Step S6: judge that the Current Temperatures of described refrigerating chamber is whether higher than the lower limit temperature of described refrigerating chamber;
Step S7: the operational factor if so, then regulating described refrigeration system, makes described refrigeration system run in the second operating mode; If not, then directly S8 is gone to step;
Step S8: judge that whether the Current Temperatures of described refrigerating chamber and described refrigerating chamber is all lower than the lower limit temperature of its correspondence; With
Step S9: the operation if so, then stopping described refrigeration system; If not, then step S2 is back to.
2. control method according to claim 1, is characterized in that,
Described refrigeration system comprises magnetic valve, compressor and the refrigeration evaporator be arranged in parallel and refrigerating evaporator, and the operational factor of described refrigeration system comprises the open and-shut mode of described magnetic valve and the rotating speed of described compressor.
3. control method according to claim 2, is characterized in that,
In described step S4, regulate the operational factor of described refrigeration system, the operation that described refrigeration system is run with a first operation mode comprises:
Step S41: first outlet of opening described magnetic valve, makes it be communicated with described refrigeration evaporator;
Step S42: judge that whether the Current Temperatures of described refrigerating chamber is higher than the first preset temperature;
Step S43: if the Current Temperatures of described refrigerating chamber is higher than the first preset temperature, then control described compressor and run the first preset duration with the first rotating speed; With
Step S44: if the Current Temperatures of described refrigerating chamber is lower than the first preset temperature, then control described compressor and run the second preset duration with the second rotating speed.
4. control method according to claim 3, is characterized in that,
In described step S7, regulate the operational factor of described refrigeration system, the operation that described refrigeration system is run in the second operating mode comprises:
Step S71: second outlet of opening described magnetic valve, makes it be communicated with described refrigerating evaporator;
Step S72: judge that whether the Current Temperatures of described refrigerating chamber is higher than the second preset temperature;
Step S73: if the Current Temperatures of described refrigerating chamber is higher than the second preset temperature, then control described compressor and run the 3rd preset duration with the 3rd rotating speed; With
Step S74: if the Current Temperatures of described refrigerating chamber is lower than the second preset temperature, then control described compressor and run the 4th preset duration with the 4th rotating speed.
5. control method according to claim 4, is characterized in that,
The lower limit temperature of described refrigerating chamber and described refrigerating chamber is respectively by following formulae discovery:
T
R-U＝T
R-t
1，T
F-U＝T
F-t
2；
Wherein, T
r-Urepresent the lower limit temperature of described refrigerating chamber, T
f-Urepresent the lower limit temperature of described refrigerating chamber, T
rrepresent the design temperature of described refrigerating chamber, T
frepresent the design temperature of described refrigerating chamber, t
1and t
2for constant.
6. control method according to claim 5, is characterized in that,
Described first preset temperature and described second preset temperature are respectively by following formulae discovery:
T
1＝T
R-U+t
3，T
2＝T
F-U+t
4；
Wherein, T
1represent described first preset temperature, T
2represent described second preset temperature, t
3and t
4for constant, and t
3>=t
1, t
4>=t
2.
7. control method according to claim 4, is characterized in that,
Described first rotating speed, described second rotating speed, pass between described 3rd rotating speed and described 4th rotating speed are:
D
3＞D
4＞D
1＞D
2；
Wherein, D
1represent described first rotating speed, D
2represent described second rotating speed, D
3represent described 3rd rotating speed, D
4represent described 4th rotating speed.
8. control method according to claim 4, is characterized in that,
Described first preset duration and described second preset duration are all less than described 3rd preset duration, and described first preset duration and described second preset duration are all less than described 4th preset duration.
9. control method according to claim 1, is characterized in that,
Also comprised before described step S1:
Step S0: receive the temperature setting signal being used to indicate the design temperature of described refrigerating chamber and described refrigerating chamber.
10. a refrigerator, comprises the casing that is limited with refrigerating chamber and refrigerating chamber and for providing the refrigeration system of cold for described refrigerating chamber and described refrigerating chamber, it is characterized in that, described refrigerator also comprises:
Temperature sensor assembly, is disposed for the Current Temperatures detecting described refrigerating chamber and described refrigerating chamber; With
Control device, is configured to adopt the control method described in any one of claim 1-9 to control the operation of described refrigeration system.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607426.8A CN105180587B (en) | 2015-09-22 | 2015-09-22 | Refrigerator and its control method |
| PCT/CN2016/085344 WO2017049962A1 (en) | 2015-09-22 | 2016-06-08 | Refrigerator and control method therefor |
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| CN201510607426.8A CN105180587B (en) | 2015-09-22 | 2015-09-22 | Refrigerator and its control method |
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| CN105180587A true CN105180587A (en) | 2015-12-23 |
| CN105180587B CN105180587B (en) | 2018-02-02 |
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| CN201510607426.8A Active CN105180587B (en) | 2015-09-22 | 2015-09-22 | Refrigerator and its control method |
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| CN (1) | CN105180587B (en) |
| WO (1) | WO2017049962A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017049962A1 (en) * | 2015-09-22 | 2017-03-30 | 青岛海尔股份有限公司 | Refrigerator and control method therefor |
| CN107490241A (en) * | 2017-08-15 | 2017-12-19 | 南京创维家用电器有限公司 | A kind of control method of frequency conversion refrigerator, storage medium and refrigerator |
| WO2019001503A1 (en) * | 2017-06-29 | 2019-01-03 | 青岛海尔股份有限公司 | Control method for cooling refrigerator and computer storage medium |
| CN109297230A (en) * | 2017-07-25 | 2019-02-01 | 博西华电器（江苏）有限公司 | Refrigeration equipment working method and refrigeration equipment |
| CN110671865A (en) * | 2019-10-12 | 2020-01-10 | 珠海格力电器股份有限公司 | Parallel double-circulation refrigerator and control method thereof |
| CN112682989A (en) * | 2020-12-29 | 2021-04-20 | 珠海格力电器股份有限公司 | Compressor rotating speed control method, device and equipment and refrigerator |
| CN112833604A (en) * | 2019-11-25 | 2021-05-25 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111795541B (en) * | 2020-06-24 | 2021-11-26 | 珠海格力电器股份有限公司 | Refrigerator control method and device, refrigerator, storage medium and processor |
| CN115435544B (en) * | 2022-09-02 | 2024-02-23 | 海信冰箱有限公司 | Refrigerator and variable frequency control method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017049962A1 (en) * | 2015-09-22 | 2017-03-30 | 青岛海尔股份有限公司 | Refrigerator and control method therefor |
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| CN109297230A (en) * | 2017-07-25 | 2019-02-01 | 博西华电器（江苏）有限公司 | Refrigeration equipment working method and refrigeration equipment |
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| CN107490241A (en) * | 2017-08-15 | 2017-12-19 | 南京创维家用电器有限公司 | A kind of control method of frequency conversion refrigerator, storage medium and refrigerator |
| CN110671865A (en) * | 2019-10-12 | 2020-01-10 | 珠海格力电器股份有限公司 | Parallel double-circulation refrigerator and control method thereof |
| CN112833604A (en) * | 2019-11-25 | 2021-05-25 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
| CN112833604B (en) * | 2019-11-25 | 2024-01-12 | 博西华电器（江苏）有限公司 | Refrigeration device and method for a refrigeration device |
| CN112682989A (en) * | 2020-12-29 | 2021-04-20 | 珠海格力电器股份有限公司 | Compressor rotating speed control method, device and equipment and refrigerator |
| CN112682989B (en) * | 2020-12-29 | 2021-12-03 | 珠海格力电器股份有限公司 | Compressor rotating speed control method, device and equipment and refrigerator |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017049962A1 (en) | 2017-03-30 |
| CN105180587B (en) | 2018-02-02 |
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