CN102927783B - A kind of refrigerator and control method thereof - Google Patents
A kind of refrigerator and control method thereof Download PDFInfo
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- CN102927783B CN102927783B CN201210487188.8A CN201210487188A CN102927783B CN 102927783 B CN102927783 B CN 102927783B CN 201210487188 A CN201210487188 A CN 201210487188A CN 102927783 B CN102927783 B CN 102927783B
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Abstract
The present invention proposes a kind of refrigerator and control method thereof, this control method comprises the following steps: judge whether refrigerator transships; If refrigerator overload, then when under overload, the accumulative cooling time of refrigerator is greater than the first Preset Time, stop freezing and carrying out defrost, wherein, the first Preset Time is less than the default defrost interval time of refrigerator; And if refrigerator does not transship, then open the defrost interval time of number of times adjustment refrigerator according to the door of refrigerator.The control method of the embodiment of the present invention has ensure abundant defrost while reduction defrost energy consumption, thus promotes the advantage of refrigerator performance.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, particularly a kind of refrigerator and control method thereof.
Background technology
Along with the rising of quality of life and the quickening of rhythm of life, the quantity that consumer buys food gets more and more, and therefore also greatly increases the demand of refrigerator.Refrigerator comprises mechanical temperature control refrigerator and computer temperature control refrigerator (electric control refrigerator), and wherein, electric control refrigerator all has the functions such as speed is cold, quick-frozen, defrost.
The defrost of the existing refrigerator by heater defrost adopts following defrost mode usually: by timing, enter defrost; Detecting sensor temperature reaches, and exits defrost; Or by accumulating compression machine running time, enter defrost; Detecting sensor temperature reaches, and exits defrost.
But there is following shortcoming in existing defrost mode:
1, when refrigerator load is large, defrost is incomplete;
2, when refrigerator load hour, unnecessary energy ezpenditure.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is the control method proposing a kind of refrigerator, and this control method has ensure abundant defrost while reduction defrost energy consumption, thus promotes the advantage of refrigerator performance.
Another object of the present invention is to propose a kind of refrigerator.
To achieve these goals, the embodiment of first aspect present invention proposes a kind of control method of refrigerator, comprises the following steps: judge whether refrigerator transships; If described refrigerator overload, then when under overload, the accumulative cooling time of described refrigerator is greater than the first Preset Time, stop freezing and carrying out defrost, wherein, described first Preset Time is less than the default defrost interval time of described refrigerator; And if described refrigerator does not transship, then open according to the door of refrigerator the defrost interval time that number of times adjusts described refrigerator.
According to the control method of the refrigerator of the embodiment of the present invention, open number of times by door and loading condition judges frosting degree, with according to frosting degree adjustment defrost interval time, effectively ensure that defrost completely and reduce defrost energy consumption.Particularly, first the running status (namely whether transshipping) of refrigerator is judged, when refrigerator transships, reduce the interval time of adjacent twice defrost, thus ensure that defrost is abundant; When refrigerator does not transship, open number of times adjustment defrost interval time by door, thus ensure that defrost is abundant while reduction defrost energy consumption, and then promote refrigerator performance.
In one embodiment of the invention, described defrost is opened the increase of number of times with described door and reduces interval time.
In one embodiment of the invention, the described step judging whether refrigerator transships comprises: the continuous cooling time of more described refrigerator and the second Preset Time; If the continuous cooling time of described refrigerator reaches described second Preset Time, then judge that described refrigerator transships.
In one embodiment of the invention, also comprise in the process of carrying out defrost: detect whether meet defrost exit criteria, and terminate defrost when meeting defrost exit criteria.
In one embodiment of the invention, described when under overload, the accumulative cooling time of described refrigerator is greater than the first Preset Time, stop freezing and also comprise before carrying out the step of defrost: detecting the accumulative cooling time of described refrigerator under overload.
The embodiment of second aspect present invention also proposed a kind of refrigerator, comprising: casing, is limited with a room in described casing; Men Ti, described door body be arranged on described casing for open and close described between room; Refrigeration system and defrosting system, wherein, described defrosting system is used for carrying out defrost to described refrigerator; And controller, described controller is for judging whether refrigerator transships, and in described refrigerator overload and under overload, the accumulative cooling time of described refrigerator is greater than the first Preset Time time, control refrigeration system to stop freezing and controlling defrosting system carrying out defrost, wherein, described first Preset Time is less than the default defrost interval time of described refrigerator, and when described refrigerator does not transship, opens according to the door of refrigerator the defrost interval time that number of times adjusts described refrigerator.
According to the refrigerator of the embodiment of the present invention, open number of times by door and loading condition judges frosting degree, so that according to frosting degree adjustment defrost interval time, effectively ensure that defrost completely and reduce defrost energy consumption.Particularly, first the running status (namely whether transshipping) of refrigerator is judged, when refrigerator transships, reduce the interval time of adjacent twice defrost, thus ensure that defrost is abundant; When refrigerator does not transship, open number of times adjustment defrost interval time by door, thus ensure that defrost is abundant while reduction defrost energy consumption, and then promote refrigerator performance.
In one embodiment of the invention, described defrost is opened the increase of number of times with described door and reduces interval time.
In an embodiment of the present invention, described controller judges whether refrigerator transships, and comprises further: the continuous cooling time of more described refrigerator and the second Preset Time; If the continuous cooling time of described refrigerator reaches described second Preset Time, then judge that described refrigerator transships.
In one embodiment of the invention, when described defrosting system carries out defrost, described controller also for: detect defrosting system whether meet defrost exit criteria, and control when meeting defrost exit criteria described defrosting system stop defrost.
Further, in one embodiment of the invention, described controller also for: detect the accumulative cooling time of described refrigerator under overload when described refrigerator overload.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the flow chart of the control method of refrigerator according to an embodiment of the invention;
Fig. 2 is the flow chart of the control method of refrigerator in accordance with another embodiment of the present invention; With
Fig. 3 is the schematic diagram of refrigerator according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Below with reference to the accompanying drawings the control method of the refrigerator of first aspect present invention embodiment is described.
As shown in Figure 1, the control method of refrigerator according to an embodiment of the invention, comprising:
Step S101, judges whether refrigerator transships.
Specifically, when refrigerator load is larger, compressor will run the long period continuously, now can be judged to be that refrigerator transships.In one embodiment of the invention, judge that the step whether refrigerator transships comprises: the continuous cooling time and the second Preset Time that compare refrigerator; If the continuous cooling time of refrigerator reaches the second Preset Time, then judge that refrigerator transships.Wherein, second Preset Time is set by technical staff, it is such as 20 minutes, particularly, when refrigerator does not transship, compartment temperature drops to the temperature of setting very soon, and compressor is by out of service, if refrigerator overload, then compartment temperature is not easily down to design temperature, compressor by continuous service, therefore, when the compressor continuous working period is long, as reached 20 minutes, then judge refrigerator overload, and refrigerator continue cooling time reach the second Preset Time time, control compressor out of service to avoid causing loss to compressor.
Step S102, if refrigerator overload, then when under overload, the accumulative cooling time of refrigerator is greater than the first Preset Time, stops freezing and carrying out defrost, and wherein, the first Preset Time is less than the default defrost interval time of refrigerator.Wherein, accumulative cooling time obtains by detecting, and namely detects the accumulative cooling time of refrigerator under overload.
Particularly, due to when refrigerator transships, frosting degree in refrigerator is heavier, therefore after judgement refrigerator overload, its defrost should to be set in and to be less than the default defrost interval time of refrigerator when not transshipping interval time, avoid evaporimeter frosting serious on the one hand, affect refrigeration, ensure the abundant of evaporimeter defrost on the other hand.As a concrete example, such as, presetting defrost interval time is 40 hours, and embodiments of the invention are after refrigerator overload, as refrigerator adds up just to carry out defrost to ensure the abundant of evaporimeter defrost after cooling time is 8 hours (namely the first Preset Time is set as 8 hours), promote refrigerator performance.
Step S103, if refrigerator does not transship, then opens the defrost interval time of number of times adjustment refrigerator according to the door of refrigerator.
Particularly, when the load of refrigerator is less, although compressor start-stop comparatively rule, but the humidity in refrigerator compartment also can affect frosting degree, the larger frosting of such as humidity is more serious, and between refrigerator, the opening times of the door of room affects the humidity in refrigerator, such as, when refrigerator doors is opened frequent, moisture in air is easy to enter into casing, easily causes refrigerator frosting.Therefore, embodiments of the invention open number of times according to the door of the refrigerator detected, the defrost interval time of adjustment refrigerator.Wherein, defrost is opened the increase of number of times with door and reduces interval time, such as, if door opens number of times within the identical time is 20 times, then defrost is adjusted to 35 hours interval time, and when to open number of times be 30 times to door, adjustment defrost is adjusted to 30 hours interval time.Therefore, ensure that the abundant of defrost and avoiding defrost energy consumption, the performance of refrigerator is improved.
In an embodiment of the present invention, also comprise in the process of carrying out defrost: detect whether meet defrost exit criteria, and terminate defrost when meeting defrost exit criteria.Specifically, in defrost process, detect evaporator temperature by temperature sensor, when reaching when temperature is exited in defrost to evaporator temperature of detection judges meet defrost exit criteria and terminate defrost, wherein, defrost is exited temperature and is such as 30 DEG C.By to the detection of condition exiting defrost, effectively reduce the energy that unnecessary defrost causes and run off.
As a concrete example, as shown in Figure 2, the control method of refrigerator in accordance with another embodiment of the present invention, comprising:
Step S201, judges whether overload, if it is performs step S203, otherwise performs step S202.
Step S202, judges door opening times <A.Such as A is 20 times, if it is goes to step S208, otherwise goes to step S207.
Step S203, judges whether compressor accumulated running time > setting-up time 1, if it is performs step S204, otherwise performs step S201.Wherein, setting-up time 1 is the first Preset Time, and compressor accumulated running time is the accumulative cooling time of refrigerator.
Step S204, heater leaves.Namely carry out defrost, by defrosting heater, defrost is carried out to evaporimeter.
Step S205, judges whether heater shutdown temperature > design temperature, if it is performs step S206, otherwise performs step S204.Wherein, design temperature is that temperature is exited in defrost.
Step S206, heater stops.Namely defrost terminates.
Step S207, judges door opening times <B.Such as A is 30 times, if it is goes to step S209.
Step S208, judges whether compressor accumulated running time > setting-up time 2.Setting-up time 2 is such as 35 hours.
Step S209, judges whether compressor accumulated running time > setting-up time 3.Setting-up time 3 is such as 30 hours.Particularly, when door opening times higher than A lower than B time, judge now whether compressor accumulated running time is greater than setting-up time 3, if so, then perform step S204, otherwise, return step S207.Wherein, setting-up time 3 is greater than setting-up time 2.
According to the control method of the refrigerator of the embodiment of the present invention, open number of times by door and loading condition judges frosting degree, with according to frosting degree adjustment defrost interval time, effectively ensure that defrost completely and reduce defrost energy consumption.Particularly, first the running status (namely whether transshipping) of refrigerator is judged, when refrigerator transships, reduce the interval time of adjacent twice defrost, thus ensure that defrost is abundant; When refrigerator does not transship, open number of times adjustment defrost interval time by door, thus ensure that defrost is abundant while reduction defrost energy consumption, and then promote refrigerator performance.
Below with reference to Fig. 3, the refrigerator according to the embodiment of the present invention is described.
As shown in Figure 3, the refrigerator of the embodiment of the present invention, comprising: casing, (not shown), Men Ti, (not shown), controller 120, refrigeration system 110 and defrosting system 130.
Particularly, a room is limited with in casing.Door body is arranged on casing, for room between opening and closing in casing.Refrigeration system 110, for freezing to refrigerator.Defrosting system 130 is for carrying out defrost to refrigerator.
Controller 120 is for judging whether refrigerator transships, and refrigerator overload and under overload, the accumulative cooling time of refrigerator is greater than the first Preset Time time, control refrigeration system 110 to stop freezing and controlling defrosting system 130 carrying out defrost, wherein, first Preset Time is less than the default defrost interval time of refrigerator, and when refrigerator does not transship, open the defrost interval time of number of times adjustment refrigerator according to the door of refrigerator.Wherein, accumulative cooling time detects by controller and obtains, and namely controller is also for detecting the accumulative cooling time of refrigerator under overload when refrigerator transships.
Specifically, when refrigerator load is larger, compressor will run the long period continuously, now can be judged to be that refrigerator transships.In one embodiment of the invention, controller judges whether refrigerator transships, and comprises further: the continuous cooling time and the second Preset Time that compare refrigerator; If the continuous cooling time of refrigerator reaches the second Preset Time, then judge that refrigerator transships.Wherein, second Preset Time is set by technical staff, it is such as 20 minutes, particularly, when refrigerator does not transship, compartment temperature drops to the temperature of setting very soon, and compressor is by out of service, if refrigerator overload, then compartment temperature is not easily down to design temperature, compressor by continuous service, therefore, when the compressor continuous working period is long, as reached 20 minutes, then judge refrigerator overload, and refrigerator continue cooling time reach the second Preset Time time, control compressor out of service to avoid causing loss to compressor.
Due to when refrigerator transships, frosting degree in refrigerator is heavier, therefore after judgement refrigerator overload, its defrost should to be set in and to be less than the default defrost interval time of refrigerator when not transshipping interval time, avoid evaporimeter frosting serious on the one hand, affect refrigeration, ensure the abundant of evaporimeter defrost on the other hand.As a concrete example, such as, presetting defrost interval time is 40 hours, and embodiments of the invention are after refrigerator overload, as refrigerator adds up just to carry out defrost to ensure the abundant of evaporimeter defrost after cooling time is 8 hours (namely the first Preset Time is set as 8 hours), promote refrigerator performance.
When the load of refrigerator is less, although compressor start-stop comparatively rule, but the humidity in refrigerator compartment also can affect frosting degree, the larger frosting of such as humidity is more serious, and the opening times of the door of room affects the humidity in refrigerator between refrigerator, such as, when refrigerator doors is opened frequent, the moisture in air is easy to enter into casing, easily causes refrigerator frosting.Therefore, embodiments of the invention open number of times according to the door of the refrigerator detected, the defrost interval time of adjustment refrigerator.Wherein, defrost is opened the increase of number of times with door and reduces interval time, such as, if door opens number of times within the identical time is 20 times, then defrost is adjusted to 35 hours interval time, and when to open number of times be 30 times to door, adjustment defrost is adjusted to 30 hours interval time.Therefore, ensure that the abundant of defrost and avoiding defrost energy consumption, the performance of refrigerator is improved.
In an embodiment of the present invention, in the process of carrying out defrost, controller also for: detecting whether meet defrost exit criteria, and terminating defrost when meeting defrost exit criteria.Specifically, in defrost process, detect evaporator temperature by temperature sensor, when reaching when temperature is exited in defrost to evaporator temperature of detection judges meet defrost exit criteria and terminate defrost, wherein, defrost is exited temperature and is such as 30 DEG C.By to the detection of condition exiting defrost, effectively reduce the energy that unnecessary defrost causes and run off.
According to the refrigerator of the embodiment of the present invention, open number of times by door and loading condition judges frosting degree, with according to frosting degree adjustment defrost interval time, effectively ensure that defrost completely and reduce defrost energy consumption, and then promote refrigerator performance.
In addition, according to the refrigerator of the embodiment of the present invention other form and effect be all known for a person skilled in the art, do not describe herein.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational 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 that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (7)
1. a control method for refrigerator, is characterized in that, comprises the following steps:
Judge whether refrigerator transships, and specifically comprises: the continuous cooling time of more described refrigerator and the second Preset Time; If the continuous cooling time of described refrigerator reaches described second Preset Time, then judge that described refrigerator transships;
If described refrigerator overload, then detect the accumulative cooling time of described refrigerator under overload, and when under overload, the accumulative cooling time of described refrigerator is greater than the first Preset Time, stop freezing and carrying out defrost, wherein, described first Preset Time is less than the default defrost interval time of described refrigerator; And
If described refrigerator does not transship, then open according to the door of refrigerator the defrost interval time that number of times adjusts described refrigerator.
2. the control method of refrigerator according to claim 1, is characterized in that, wherein, described defrost is opened the increase of number of times with described door and reduces interval time.
3. the control method of refrigerator according to claim 1, is characterized in that, also comprises in the process of carrying out defrost: detect whether meet defrost exit criteria, and terminate defrost when meeting defrost exit criteria.
4. a refrigerator, is characterized in that, comprising:
Casing, is limited with a room in described casing;
Men Ti, described door body be arranged on described casing for open and close described between room;
Refrigeration system and defrosting system, wherein, described defrosting system is used for carrying out defrost to described refrigerator; And
Controller, described controller is for judging whether refrigerator transships, and comprising: the continuous cooling time of more described refrigerator and the second Preset Time, if the continuous cooling time of described refrigerator reaches described second Preset Time, then judge that described refrigerator transships, and detect the accumulative cooling time of described refrigerator under overload when described refrigerator overload, and when under overload, the accumulative cooling time of described refrigerator is greater than the first Preset Time, control refrigeration system to stop freezing and controlling defrosting system carrying out defrost, wherein, described first Preset Time is less than the default defrost interval time of described refrigerator, and when described refrigerator does not transship, the defrost interval time that number of times adjusts described refrigerator is opened according to the door of refrigerator.
5. refrigerator according to claim 4, is characterized in that, wherein, described defrost is opened the increase of number of times with described door and reduces interval time.
6. refrigerator according to claim 4, is characterized in that, when described defrosting system carries out defrost, described controller also for:
Detect defrosting system and whether meet defrost exit criteria, and control described defrosting system stopping defrost when meeting defrost exit criteria.
7. the refrigerator according to any one of claim 4-6, is characterized in that, described controller also for: detect the accumulative cooling time of described refrigerator under overload when described refrigerator overload.
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| CN201210487188.8A CN102927783B (en) | 2012-11-26 | 2012-11-26 | A kind of refrigerator and control method thereof |
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| CN201210487188.8A CN102927783B (en) | 2012-11-26 | 2012-11-26 | A kind of refrigerator and control method thereof |
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| CN102927783B true CN102927783B (en) | 2015-08-12 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052228A (en) * | 2016-05-25 | 2016-10-26 | 合肥美的电冰箱有限公司 | Defrosting control method and device for refrigeration equipment and refrigeration equipment |
| CN106052295B (en) * | 2016-06-14 | 2018-06-12 | 南京创维家用电器有限公司 | The control method and device of refrigerator |
| CN107726712B (en) * | 2016-08-12 | 2021-06-08 | 博西华电器（江苏）有限公司 | Refrigerator control method and refrigerator applying same |
| CN111195112B (en) * | 2018-11-16 | 2021-04-20 | 广东美的厨房电器制造有限公司 | Control method of household appliance and household appliance |
| CN111536738B (en) * | 2020-04-24 | 2022-03-18 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN111536737B (en) * | 2020-04-24 | 2021-12-14 | 海信（山东）冰箱有限公司 | Refrigerator and control method thereof |
| CN114646178B (en) * | 2020-12-17 | 2023-09-15 | 青岛海尔生物医疗股份有限公司 | Defrosting control method and refrigeration equipment |
| CN112556291A (en) * | 2020-12-29 | 2021-03-26 | 珠海格力电器股份有限公司 | Defrosting control method of air-cooled refrigerator and air-cooled refrigerator |
| CN113701438B (en) * | 2021-08-04 | 2023-05-02 | Tcl家用电器（合肥）有限公司 | Refrigerator defrosting method, device, control equipment, refrigerator and storage medium |
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