CN103344060A - Refrigerating system used for refrigerator, refrigerator and control method of refrigerator - Google Patents
Refrigerating system used for refrigerator, refrigerator and control method of refrigerator Download PDFInfo
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- CN103344060A CN103344060A CN2013103113990A CN201310311399A CN103344060A CN 103344060 A CN103344060 A CN 103344060A CN 2013103113990 A CN2013103113990 A CN 2013103113990A CN 201310311399 A CN201310311399 A CN 201310311399A CN 103344060 A CN103344060 A CN 103344060A
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Abstract
The invention provides a refrigerating system used for a refrigerator. The refrigerating system used for the refrigerator comprises a compressor, a condenser, a switching unit and a controller, wherein the inlet of the condenser is connected with the outlet of the compressor, the switching unit comprises an inlet, a first outlet and a second outlet, the inlet of the switching unit is connected with the outlet of the condenser, the first outlet of the switching unit is connected with the inlet of the compressor through a first variable temperature evaporator and a refrigeration evaporator in sequence, the second outlet of the switching unit is connected with the inlet of the compressor through a second variable temperature evaporator, the first variable temperature evaporator and the refrigeration evaporator in sequence, the controller is used for controlling the switching unit to be switched to the first outlet when a set temperature of a variable temperature chamber is higher than or equal to a preset temperature so that refrigeration of the variable temperature chamber can be achieved through the first variable temperature evaporator, and the controller is also used for controlling the switching unit to be switched to the second outlet when the set temperature of the variable temperature chamber is lower than the preset temperature so that refrigeration of the variable temperature chamber can be achieved through the first variable temperature evaporator and the second variable temperature evaporator. The refrigerating system used for the refrigerator has the advantages that the temperature difference refrigerating capacity of the variable temperature chamber of the refrigerator can be improved, and wide-range temperature change of the variable temperature chamber of the refrigerator is achieved. The invention further provides the refrigerator and a control method of the refrigerator.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly a kind of refrigeration system for refrigerator, refrigerator and control method of refrigerator.
Background technology
At present, the temperature-changing chamber temperature-difference refrigerating ability of direct cooling refrigerator product is about 17 degree, namely-7 ℃-10 ℃, and along with the raising of people's living standard, the user requires more and more higher for the storage of food etc., therefore, existing refrigerator temperature-changing chamber temperature-difference refrigerating ability can not satisfy user's demand.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least.
For this reason, one object of the present invention is to propose a kind of refrigeration system for refrigerator, and this system can improve refrigerator temperature-changing chamber temperature-difference refrigerating ability, realizes the wide cut alternating temperature of refrigerator temperature-changing chamber.
Another object of the present invention is to propose a kind of refrigerator.
The 3rd purpose of the present invention is to propose a kind of control method of refrigerator.
To achieve these goals, the embodiment of first aspect present invention has proposed a kind of refrigeration system for refrigerator, comprising: compressor; Condenser, the entrance of described condenser links to each other with the outlet of described compressor; Switch unit, described switch unit comprises entrance, first outlet and second outlet, the entrance of described switch unit links to each other with the outlet of described condenser, described first outlet links to each other with the entrance of described compressor with refrigerating evaporator by the first alternating temperature evaporimeter successively, and described second outlet links to each other with the entrance of described compressor with described refrigerating evaporator by the second alternating temperature evaporimeter, the described first alternating temperature evaporimeter successively; And controller, described controller is used at described temperature-changing chamber design temperature during more than or equal to preset temperature, control described switch unit and switch to first outlet, by the described first alternating temperature evaporimeter described temperature-changing chamber is freezed, otherwise control described switch unit and switch to second outlet, by the described first alternating temperature evaporimeter and the described second alternating temperature evaporimeter described temperature-changing chamber is freezed.
The refrigeration system that is used for refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
In addition, the refrigeration system for refrigerator according to the above embodiment of the present invention can also have following additional technical characterictic:
In an embodiment of the present invention, described switch unit also comprises: the 3rd outlet and the 4th outlet, described the 3rd outlet links to each other with the entrance of described compressor with refrigerating evaporator by refrigeration evaporator successively, and described the 4th outlet links to each other with the entrance of described compressor by described refrigerating evaporator.
In an embodiment of the present invention, described condenser comprises first condenser and second condenser of series connection.
In an embodiment of the present invention, described refrigeration system also comprises: anti-condensation pipe, described anti-condensation pipe are arranged between described first condenser and described second condenser.
In an embodiment of the present invention, described refrigeration system also comprises: be arranged on the device for drying and filtering between described second condenser and the described switch unit, the entrance of described device for drying and filtering links to each other with the outlet of described second condenser and outlet links to each other with the entrance of described switch unit.
In an embodiment of the present invention, described switch unit is magnetic valve.
The embodiment of second aspect present invention provides a kind of refrigerator, comprising: the refrigeration system that is used for refrigerator that first aspect present invention embodiment proposes.
Refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in its temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
The embodiment of third aspect present invention has proposed a kind of control method of refrigerator, may further comprise the steps: judge whether described temperature-changing chamber is freezed; If, then further more described temperature-changing chamber design temperature and described preset temperature; If described temperature-changing chamber design temperature, is then controlled described switch unit more than or equal to described preset temperature and is switched to first outlet, by the described first alternating temperature evaporimeter described temperature-changing chamber is freezed; If described temperature-changing chamber design temperature, is then controlled described switch unit less than described preset temperature and is switched to second outlet, by the described first alternating temperature evaporimeter and the described second alternating temperature evaporimeter described temperature-changing chamber is freezed.
Control method of refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
In addition, control method of refrigerator according to the above embodiment of the present invention can also have following additional technical characterictic:
In an embodiment of the present invention, described method also comprises: in the process to described temperature-changing chamber refrigeration, detect the temperature of described temperature-changing chamber, and the temperature of judging described temperature-changing chamber is whether less than the shutdown temperature of described temperature-changing chamber; If the temperature of described temperature-changing chamber less than the shutdown temperature of described temperature-changing chamber, then stops described temperature-changing chamber refrigeration, otherwise continue described temperature-changing chamber refrigeration.
In an embodiment of the present invention, described preset temperature is-7 ℃.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structure chart that is used for the refrigeration system of refrigerator according to an embodiment of the invention;
Fig. 2 is the flow chart of control method of refrigerator according to an embodiment of the invention; And
Fig. 3 is the flow chart of control method of refrigerator in accordance with another embodiment of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance.
In description of the invention, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete implication in the present invention.
Below in conjunction with the refrigeration system, refrigerator and the control method of refrigerator that are used for refrigerator of accompanying drawing description according to the embodiment of the invention.
Fig. 1 is the structure chart that is used for the refrigeration system of refrigerator according to an embodiment of the invention.As shown in Figure 1, be used for the refrigeration system 100 of refrigerator according to an embodiment of the invention, comprise: compressor 110, condenser 120, switch unit 130 and controller 140.
Particularly, the entrance of condenser 120 links to each other with the outlet of compressor 110.In a preferred embodiment of the invention, condenser 120 further comprises: first condenser 121 and second condenser 122, and first condenser 121 and second condenser 122 are connected mutually.
Switch unit 130 comprises: entrance 131, first outlet, 132 and second outlet 133, wherein, entrance 131 links to each other with the outlet of condenser 120, first outlet 132 links to each other with the entrance of refrigerating evaporator 40 with compressor 110 by the first alternating temperature evaporimeter 10 successively, and second outlet 133 links to each other with the entrance of refrigerating evaporator 40 with compressor 110 by the second alternating temperature evaporimeter 20, the first alternating temperature evaporimeter 10 successively.In one embodiment of the invention, switch unit 130 for example is magnetic valve, and preferably, switch unit 130 for example is four way solenoid valve.
Further, in conjunction with shown in Figure 1, in one embodiment of the invention, switch unit 130 also comprises: the 3rd outlet the 134 and the 4th outlet 135, the 3rd outlet 134 links to each other with the entrance of refrigerating evaporator 40 with compressor 110 by refrigeration evaporator 30 successively, and the 4th outlet 135 links to each other with the entrance of compressor 110 by refrigerating evaporator 40.
Controller 140 links to each other with switch unit 130, be used at the temperature-changing chamber design temperature during more than or equal to preset temperature, control switch unit 130 switches to first outlet 132, to freeze by 10 pairs of temperature-changing chambers of the first alternating temperature evaporimeter, otherwise control switch unit 130 switches to second outlet 133, to freeze by the first alternating temperature evaporimeter 10 and 20 pairs of temperature-changing chambers of the second alternating temperature evaporimeter.In a preferred embodiment of the invention, preset temperature for example is-7 ℃.The temperature-changing chamber design temperature is preestablished by the user, when the temperature-changing chamber temperature reaches this design temperature, then temperature-changing chamber is freezed.In other words, namely when the design temperature of temperature-changing chamber during more than or equal to-7 ℃, judge that the design temperature of temperature-changing chamber is lower this moment, and then controller 140 control switch units 130 switch to first outlet 132, freeze by 10 pairs of temperature-changing chambers of the first alternating temperature evaporimeter.Need explanation the time because the design temperature of this temperature-changing chamber is lower, therefore only need an alternating temperature evaporimeter can satisfy the refrigeration demand of temperature-changing chamber.And when the design temperature of temperature-changing chamber during less than-7 ℃, judge that design temperature is low excessively this moment, then alternating temperature evaporimeter is not enough to satisfy the refrigeration demand of temperature-changing chamber, therefore, controller 140 control switch units 130 switch to second outlet 133, simultaneously temperature-changing chamber is freezed by the first alternating temperature evaporimeter 10 and the second alternating temperature evaporimeter 20, thereby can improve the temperature-difference refrigerating ability of temperature-changing chamber, realize the wide cut alternating temperature of temperature-changing chamber.
In conjunction with shown in Figure 1, refrigeration system 100 also comprises: anti-condensation pipe 150 and device for drying and filtering 160.Anti-condensation pipe 150 is arranged between first condenser 121 and second condenser 122.Particularly, in the process of refrigerastion of refrigeration system 100, gases at high pressure shape cold-producing medium can flow through from anti-condensation pipe 150, makes the pipeline heating, thereby can prevent that the globule from occurring, and plays anti-dew effect.Device for drying and filtering 160 is arranged between second condenser 122 and the switch unit 130, and the entrance of device for drying and filtering 160 links to each other with the outlet of second condenser 122, and 130 entrance of its outlet and switch unit links to each other.The effect of device for drying and filtering 160 is moisture that absorbent refrigeration system 100 produces, dustiness etc. in process of refrigerastion, guarantee cleaning, the drying of refrigeration system 100.
As a concrete example, in conjunction with Fig. 1, the operation principle of above-mentioned refrigeration system 100 is as follows: in refrigeration system 100 runnings, when the request refrigeration of temperature-changing chamber and temperature-changing chamber design temperature during more than or equal to-7 ℃, then controller 140 control switch units 130 switch to first outlet 132, and then the first alternating temperature evaporimeter 10 reaches with its refrigerating evaporator of contacting mutually 40 and starts, and 10 pairs of temperature-changing chambers of the first alternating temperature evaporimeter freeze, simultaneously, 40 pairs of refrigerating chambers of refrigerating evaporator freeze; When the design temperature of temperature-changing chamber request refrigeration and temperature-changing chamber during less than-7 ℃, then controller 140 control switch units switch to second outlet 133, then the second alternating temperature evaporimeter 20 reaches with its first alternating temperature evaporimeter 10 of connecting mutually and refrigerating evaporator 40 and opens, the second alternating temperature evaporimeter 20 and the first alternating temperature evaporimeter 10 freeze to temperature-changing chamber simultaneously, to satisfy the refrigeration demand of temperature-changing chamber, on the other hand, 40 pairs of refrigerating chambers of refrigerating evaporator freeze; When the refrigerating chamber request is freezed, then controller 140 control switch units 130 switch to the 3rd outlet 134, and then refrigeration evaporator 30 and coupled refrigerating evaporator 40 start, and 30 pairs of refrigerating chambers of refrigeration evaporator freeze, simultaneously, 40 pairs of refrigerating chambers of refrigerating evaporator freeze; When refrigerating chamber asked to freeze separately, then controller 140 control switch units 130 switched to the 4th outlet 135, then have only this moment refrigerating evaporator 40 to open, so that refrigerating chamber is freezed.To sum up, namely refrigeration system 100 has increased by the second alternating temperature evaporimeter 20, can realize the wide cut alternating temperature of refrigerator temperature-changing chamber, has improved the refrigerating capacity of temperature-changing chamber.
The refrigeration system that is used for refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
The invention allows for a kind of refrigerator, this refrigerator comprises the refrigeration system 100 that is used for refrigerator that first aspect present invention embodiment proposes.
Refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in its temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
Below in conjunction with the control method of refrigerator of Fig. 2-3 description according to the embodiment of the invention.
Fig. 2 is the flow chart of control method of refrigerator according to an embodiment of the invention.As shown in Figure 2, control method of refrigerator according to an embodiment of the invention may further comprise the steps:
Step S201 judges whether temperature-changing chamber is freezed.
Step S202 is if then further compare temperature-changing chamber design temperature and preset temperature.Namely when determining temperature-changing chamber freeze, further compare temperature-changing chamber design temperature and preset temperature.Wherein, the temperature-changing chamber design temperature is preestablished by the user, when the temperature-changing chamber temperature reaches this design temperature, then temperature-changing chamber is freezed.In a preferred embodiment of the invention, preset temperature for example is-7 ℃.In other words, when namely determining temperature-changing chamber freeze, the further size of temperature-changing chamber design temperature and-7 ℃ relatively.
Step S203 switches to first outlet if the temperature-changing chamber design temperature, is then controlled switch unit more than or equal to preset temperature, by the first alternating temperature evaporimeter temperature-changing chamber is freezed.In other words, if when namely the temperature-changing chamber design temperature is more than or equal to-7 ℃, then controller control switch unit switches to first outlet, by the first alternating temperature evaporimeter temperature-changing chamber is freezed, and simultaneously, refrigerating evaporator is also opened, so that refrigerating chamber is freezed.
Step S204 switches to second outlet if the temperature-changing chamber design temperature, is then controlled switch unit less than preset temperature, by the first alternating temperature evaporimeter and the second alternating temperature evaporimeter temperature-changing chamber is freezed.In other words, if namely the temperature-changing chamber design temperature is less than-7 ℃, then controller control switch unit switches to second outlet, simultaneously temperature-changing chamber is freezed by the second alternating temperature evaporimeter and the first alternating temperature evaporimeter, to satisfy the refrigeration demand of temperature-changing chamber, improve the refrigerating efficiency of temperature-changing chamber, realize the wide cut alternating temperature of temperature-changing chamber.In addition, refrigerating evaporator and the second alternating temperature the evaporimeter i.e. first alternating temperature evaporimeter are connected mutually, so refrigerating evaporator also opens, so that refrigerating chamber is freezed.
Further; in above-mentioned steps S203 and step S204; in the process that temperature-changing chamber is freezed; detect in real time the temperature of temperature-changing chamber, and the temperature of judging temperature-changing chamber is whether less than the shutdown temperature of temperature-changing chamber, if the temperature of temperature-changing chamber is less than the shutdown temperature of temperature-changing chamber; then stop temperature-changing chamber being freezed; otherwise continue the temperature-changing chamber refrigeration,, stop temperature-changing chamber being freezed during less than the cryogenic temperature of temperature-changing chamber until the temperature of temperature-changing chamber.
Fig. 3 is the flow chart of control method of refrigerator in accordance with another embodiment of the present invention.As shown in Figure 3, control method of refrigerator in accordance with another embodiment of the present invention may further comprise the steps:
Step S301 freezes to temperature-changing chamber.Be that the refrigeration system desire is freezed to temperature-changing chamber.
Whether step S302 judges the temperature-changing chamber design temperature more than or equal to-7 ℃ (preset temperatures), if execution in step S303 then, otherwise execution in step S305.
Step S303 switches to the first alternating temperature evaporimeter.Namely when temperature-changing chamber design temperature during more than or equal to-7 ℃, controller control switch unit switches to first outlet, to open the first alternating temperature evaporimeter temperature-changing chamber is freezed.
Does step S304 judge whether Tm＜Tmt? particularly, Tm represents the real time temperature of temperature-changing chamber; Tmt represents the shutdown temperature of temperature-changing chamber, and whether the real time temperature of namely judging temperature-changing chamber less than the shutdown temperature of temperature-changing chamber, if; execution in step S307 then, otherwise return execution in step S301.
Step S305 switches to the second alternating temperature evaporimeter.Namely when temperature-changing chamber design temperature during less than-7 ℃, then controller control switch unit switches to second outlet, to open the second alternating temperature evaporimeter and the first alternating temperature evaporimeter freezes to temperature-changing chamber simultaneously.
Does step S306 judge whether Tm＜Tmt? namely judge the temperature-changing chamber real time temperature whether less than the shutdown temperature of temperature-changing chamber, if, execution in step S307 then, otherwise, execution in step S301 returned.
Step S307, refrigeration finishes.Namely when the real time temperature of temperature-changing chamber during less than the shutdown temperature of temperature-changing chamber, then stop temperature-changing chamber being freezed.
Control method of refrigerator according to the embodiment of the invention, two alternating temperature evaporimeters are set in temperature-changing chamber, when the temperature-changing chamber design temperature is low, by an alternating temperature evaporimeter temperature-changing chamber is freezed, cross when low when the temperature-changing chamber design temperature, start two alternating temperature evaporimeters temperature-changing chamber is freezed, thereby can improve temperature-changing chamber temperature-difference refrigerating ability, realize the wide cut alternating temperature of refrigerator temperature-changing chamber, simultaneously, also can improve the refrigerating efficiency of temperature-changing chamber.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present invention and aim, scope of the present invention is by claim and be equal to and limit.
Claims (10)
1. a refrigeration system that is used for refrigerator is characterized in that, comprising:
Compressor;
Condenser, the entrance of described condenser links to each other with the outlet of described compressor;
Switch unit, described switch unit comprises entrance, first outlet and second outlet, the entrance of described switch unit links to each other with the outlet of described condenser, described first outlet links to each other with the entrance of described compressor with refrigerating evaporator by the first alternating temperature evaporimeter successively, and described second outlet links to each other with the entrance of described compressor with described refrigerating evaporator by the second alternating temperature evaporimeter, the described first alternating temperature evaporimeter successively; With
Controller, described controller is used at described temperature-changing chamber design temperature during more than or equal to preset temperature, control described switch unit and switch to first outlet, by the described first alternating temperature evaporimeter described temperature-changing chamber is freezed, otherwise control described switch unit and switch to second outlet, by the described first alternating temperature evaporimeter and the described second alternating temperature evaporimeter described temperature-changing chamber is freezed.
2. the refrigeration system for refrigerator as claimed in claim 1, it is characterized in that, described switch unit also comprises: the 3rd outlet and the 4th outlet, described the 3rd outlet links to each other with the entrance of described compressor with refrigerating evaporator by refrigeration evaporator successively, and described the 4th outlet links to each other with the entrance of described compressor by described refrigerating evaporator.
3. the refrigeration system for refrigerator as claimed in claim 1 is characterized in that, described condenser comprises first condenser and second condenser of series connection.
4. the refrigeration system for refrigerator as claimed in claim 3 is characterized in that, also comprises: anti-condensation pipe, described anti-condensation pipe are arranged between described first condenser and described second condenser.
5. the refrigeration system for refrigerator as claimed in claim 1, it is characterized in that, also comprise: be arranged on the device for drying and filtering between described second condenser and the described switch unit, the entrance of described device for drying and filtering links to each other with the outlet of described second condenser and outlet links to each other with the entrance of described switch unit.
6. as each described refrigeration system for refrigerator of claim 1-5, it is characterized in that described switch unit is magnetic valve.
7. a refrigerator comprises each described refrigeration system as claim 1-6.
8. a control method of refrigerator as claimed in claim 7 is characterized in that, may further comprise the steps:
Judge whether described temperature-changing chamber is freezed;
If, then further more described temperature-changing chamber design temperature and described preset temperature;
If described temperature-changing chamber design temperature, is then controlled described switch unit more than or equal to described preset temperature and is switched to first outlet, by the described first alternating temperature evaporimeter described temperature-changing chamber is freezed;
If described temperature-changing chamber design temperature, is then controlled described switch unit less than described preset temperature and is switched to second outlet, by the described first alternating temperature evaporimeter and the described second alternating temperature evaporimeter described temperature-changing chamber is freezed.
9. control method of refrigerator as claimed in claim 8 is characterized in that, also comprises:
In the process to described temperature-changing chamber refrigeration, detect the temperature of described temperature-changing chamber, and the temperature of judging described temperature-changing chamber is whether less than the shutdown temperature of described temperature-changing chamber;
If the temperature of described temperature-changing chamber less than the shutdown temperature of described temperature-changing chamber, then stops described temperature-changing chamber refrigeration, otherwise continue described temperature-changing chamber refrigeration.
10. control method of refrigerator as claimed in claim 8 is characterized in that, described preset temperature is-7 ℃.
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| CN201310311399.0A CN103344060B (en) | 2013-07-23 | 2013-07-23 | Be used for the control method of refrigeration system, refrigerator and the refrigerator of refrigerator |
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| CN112665299A (en) * | 2020-12-11 | 2021-04-16 | 珠海格力电器股份有限公司 | Refrigeration control method and device of refrigerator, controller and refrigerator |
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