CN109442854B - Defrosting control method and device - Google Patents
Defrosting control method and device Download PDFInfo
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- CN109442854B CN109442854B CN201811208906.7A CN201811208906A CN109442854B CN 109442854 B CN109442854 B CN 109442854B CN 201811208906 A CN201811208906 A CN 201811208906A CN 109442854 B CN109442854 B CN 109442854B
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- 238000010257 thawing Methods 0.000 title claims abstract description 235
- 238000000034 method Methods 0.000 title claims abstract description 154
- 238000005057 refrigeration Methods 0.000 claims abstract description 79
- 238000011897 real-time detection Methods 0.000 claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 235000013305 food Nutrition 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
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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
- F25D2600/00—Control issues
- F25D2600/06—Controlling according to a predetermined profile
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Defrosting Systems (AREA)
Abstract
The embodiment of the invention provides a defrosting control method and a defrosting control device, wherein the method comprises the following steps: after detecting that the target refrigeration equipment is electrified and operated for a preset duration, acquiring the detection temperature T1 of the defrosting temperature sensor at the moment; when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process; when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2. According to the embodiment of the invention, an environment temperature sensor in the prior art is omitted, and a set of defrosting control program based on the defrosting temperature sensor is adopted to realize defrosting control of the refrigeration equipment. The embodiment of the invention solves the problem that in the prior art of defrosting of refrigeration equipment, the hardware cost is high, and the beneficial effect of reducing the economic cost is achieved.
Description
Technical Field
The embodiment of the invention relates to the technical field of household appliances, in particular to a defrosting control method and device.
Background
Refrigerators or freezers are refrigeration equipment for keeping constant low temperature, and are civil products for keeping food or other articles in constant low temperature and cold state. When people deposit food and open refrigeration plant, indoor air and the interior gas of refrigeration plant freely exchange, indoor humid air secretly gets into in the refrigeration plant. And a part of water vapor comes from food stored in the refrigeration equipment, such as cleaned vegetables and fruits, is stored in the fresh-keeping box, and water in the food such as the vegetables is evaporated and condensed into frost after being cooled.
In the prior art, electrically controlled refrigeration equipment is based on an ambient temperature sensor, firstly detects the external ambient temperature of the refrigeration equipment, enters a corresponding ambient temperature interval according to the ambient temperature, selects a defrosting process in the corresponding ambient temperature interval and controls and executes the defrosting process.
The prior art has the defect of high hardware cost.
Disclosure of Invention
The embodiment of the invention provides a defrosting control method and device, which are used for solving the defects of high hardware cost and complicated control program in a defrosting control technology of refrigeration equipment in the prior art.
According to a first aspect of embodiments of the present invention, there is provided a defrosting control method including:
after detecting that the target refrigeration equipment is electrified and operated for a preset duration, acquiring the temperature T1 detected by the defrosting temperature sensor at the moment;
when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process;
when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
According to a second aspect of the present invention, there is provided a defrosting control apparatus including:
the acquiring module is used for acquiring the temperature T1 detected by the defrosting temperature sensor at the moment after the target refrigeration equipment is detected to be electrified and operated for the preset duration;
the control module is used for controlling and executing the defrosting process when the T1 is less than or equal to a first preset temperature N1; when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
Further, the control module is further configured to: when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process, and when the real-time temperature detected by the temperature sensor reaches a third preset temperature N3, controlling to stop the defrosting process; wherein N3 is more than N1; accordingly, the number of the first and second electrodes,
the control module is further configured to: when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 from the moment when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2, controlling to execute a defrosting process when T1 reaches a first preset time D1, and controlling to stop the defrosting process when the real-time temperature detected by the temperature sensor reaches a fourth preset temperature N4; wherein N4 is more than N3.
According to a third aspect of the present invention, there is provided an electronic apparatus comprising:
at least one processor, at least one memory, a communication interface, and a bus; wherein,
the processor, the memory and the communication interface complete mutual communication through the bus;
the memory stores program instructions executable by the processor, and the processor calls the program instructions to perform any of the defrosting control methods described above.
According to a fourth aspect of the present invention, there is provided a non-transitory computer readable storage medium storing computer instructions that cause the computer to perform the defrosting control method of any one of the above.
The embodiment of the invention provides a defrosting control method and a defrosting control device, wherein an environment temperature sensor in the prior art is omitted, and a set of defrosting control program based on the defrosting temperature sensor is adopted to realize defrosting control on refrigeration equipment. The embodiment of the invention solves the problem that in the prior art of defrosting of refrigeration equipment, the hardware cost is high, and the beneficial effect of reducing the economic cost is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating a defrosting control method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating another embodiment of the defrosting control method according to the present invention;
FIG. 3 is a schematic structural diagram of a defrosting control device according to an embodiment of the present invention;
fig. 4 is a schematic physical structure diagram of an electronic device according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the prior art, electrically controlled refrigeration equipment is based on an ambient temperature sensor, firstly detects the external ambient temperature of the refrigeration equipment, enters a corresponding ambient temperature interval according to the ambient temperature, selects a defrosting process in the corresponding ambient temperature interval and controls and executes the defrosting process.
The above prior art has a drawback of high hardware cost.
As shown in fig. 1, a defrosting control method according to an embodiment of the present invention includes:
and S1, acquiring the temperature T1 detected by the defrosting temperature sensor at the moment after detecting that the target refrigeration equipment is electrified and operated for a preset duration.
When the target refrigeration equipment is detected to be powered on and operated, the target refrigeration equipment is indicated to be in initial operation after being powered on. After the preset time interval is passed after the power is switched on, and after the target refrigeration equipment runs for a period of time, the temperature T1 detected by the defrosting temperature sensor is obtained at the moment for the follow-up control steps to adopt. The specific embodiment of the invention is not particularly limited, as long as the temperature of the position where frost is easily generated in the target refrigeration equipment can be accurately obtained in real time.
S2, when the temperature T1 is larger than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is smaller than or equal to a second preset temperature N2 from the moment, and when the time T1 reaches a first preset time D1, controlling to execute a defrosting process; wherein N1 is more than N2.
First, in step S2, the relationship between T1 and the first preset temperature N1 is determined, and N1 may be set to 0 ℃ or lower. The setting of the value of N1 should be sufficient to produce frost. When T1 is detected to be less than or equal to N1, the frost is likely to be generated in the refrigeration equipment, and the defrosting process is controlled to be executed.
When T1 is detected to be greater than N1, it indicates that frost is not generated in the target cooling device, and the defrosting process is not controlled to be executed at this time. Acquiring the detection temperature T2 of the defrosting temperature sensor in real time from the moment, and calculating the accumulated time T1 of the second preset temperature N2, wherein T2 is not more than the second preset temperature N2 from the moment; the second preset temperature N2 is a lower temperature than N1. In the embodiment of the invention, the frost generation is a long-time process, and whether the frost generation is possibly not completely accurate is judged by detecting the temperature value at a certain moment, so that the detection temperature of the real-time defrosting temperature sensor falls to the total time length value t1 which is less than or equal to the second preset temperature N2 in step S2 through accumulative calculation, when the total time length value t1 obtained through the accumulative calculation is longer than the preset time length D1, the frost generation in the refrigerating device is judged, and the defrosting process is controlled to be executed at this moment.
According to the defrosting control method provided by the embodiment of the invention, an environment temperature sensor in the prior art is eliminated, and a set of defrosting control program based on the defrosting temperature sensor is adopted to realize defrosting control of the target refrigeration equipment. The embodiment of the invention solves the technical problem of high hardware cost in the prior art of defrosting of refrigeration equipment, and has the beneficial effect of reducing economic cost.
On the basis of any of the above embodiments of the present invention, there is provided a defrosting control method, when T1 is not greater than a first preset temperature N1, controlling to execute a defrosting process, and then comprising: when the real-time detection temperature of the defrosting temperature sensor reaches a third preset temperature N3, controlling to stop a defrosting process; wherein N3 > N1; correspondingly, when T1 is greater than the first preset temperature N1, calculating the accumulated time T1 from the moment when the real-time detection temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2, and controlling to execute the defrosting process when T1 reaches the first preset time D1, wherein the method comprises the following steps: when the real-time temperature of the temperature sensor reaches a fourth preset temperature N4, controlling to stop a defrosting process; wherein N4 is more than N3.
In the embodiment of the present invention, after the target refrigeration equipment enters the defrosting process in S2, the defrosting process is controlled to stop after reaching different preset temperatures, wherein N4 > N3 is set in consideration of different difficulty of defrosting in the two cases.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control method, further including:
when the continuous running time t2 of the compressor of the target refrigeration equipment reaches a second preset time D2, controlling the compressor to stop once;
when the compressor is shut down for a preset time and the defrosting process is not controlled to be executed between the preset times of shut down, the defrosting process is controlled to be executed, and when the real-time detection temperature of the temperature sensor reaches a fifth preset temperature N5, the defrosting process is controlled to be stopped; wherein N5 is more than N2.
When the compressor of the target refrigerating apparatus is continuously operated for a period of D2 hours, the compressor is controlled to be stopped once for the sake of energy saving. And after the compressor is stopped for multiple times and preset stop times are reached, judging whether the target refrigeration equipment is defrosted or not among the multiple times of stopping, and if not, controlling to execute a defrosting process in consideration of that the target refrigeration equipment is likely to generate frost at the moment. And similarly, when the real-time detection temperature of the temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control method for a target refrigeration apparatus, further including:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the continuous operation time t3 of the target refrigeration equipment reaches a third preset time D3 after the last defrosting process is finished, or confirming that the accumulated time t 1' when the real-time detection temperature of the defrosting temperature sensor is less than or equal to a second preset temperature N2 after the last defrosting process of the target refrigeration equipment reaches a first preset time D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time temperature detected by the temperature sensor reaches a sixth preset temperature N6; wherein N6 is more than N2.
When the target refrigeration equipment compressor does not continuously operate for the preset time length D2, whether the target refrigeration equipment operation time length t3 reaches the third preset time length D3 after the last defrosting of the target refrigeration equipment is finished or whether the accumulated time length t 1' when the temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2 after the last defrosting of the target refrigeration equipment is finished reaches the first preset time length D1 is judged. Because it is considered that if one of the above conditions is satisfied, the target refrigeration equipment is likely to be frosted, the defrosting process is controlled to be executed.
And similarly, when the real-time detection temperature of the defrosting temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control method, further including:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the duration of the last defrosting process is longer than the duration of the last defrosting process by at least a fourth preset duration D4;
acquiring the running time t3 after the last defrosting process of the target refrigeration equipment is finished; or acquiring the accumulated time t 1' when the real-time detection temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2 after the last defrosting process of the target refrigeration equipment is finished;
confirming that t3+ N4 reaches the third preset duration D3, or that t 1' + N4 reaches the first preset duration D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time detection temperature of the temperature sensor reaches a seventh preset temperature N7; wherein N7 is more than N2.
First, the last time the defrosting process was performed is compared with the last time the defrosting process was performed, and it is confirmed that there is at least a fourth preset time period N4 more than the last time. Secondly, it is confirmed that t3+ N4 reaches the third preset duration D3 or t 1' + N4 reaches the first preset duration D1, because it is considered that there may be frost of the refrigeration apparatus if one of the above conditions is satisfied, the defrosting process is controlled to be performed.
And similarly, when the real-time detection temperature of the temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, a defrosting control method is provided, where a defrosting time interval between two adjacent target refrigeration apparatuses is greater than a fifth preset time.
Referring to fig. 2, a schematic diagram of a specific example of a defrosting control method is provided based on any of the above embodiments of the present invention, taking a refrigerator as an example.
Firstly, the refrigerator is powered on to operate, the initial operation of the refrigerator is detected, and the refrigerator is continuously operated for a preset time.
Acquiring the detection temperature T1 of a defrosting temperature sensor at the current moment, and defrosting once when T1 is less than or equal to N1, for example, N1 is 0 ℃; and (4) withdrawing the defrosting process when the temperature is 6 ℃ at T1.
When T1 is more than N1, calculating the accumulated Time Time1 of the detection temperature T1 of the defrosting temperature sensor being less than or equal to minus 20 ℃, entering the defrosting process when the Time1 is 4 hours, and exiting the temperature of minus 18 ℃ in the defrosting process.
And (3) entering normal product operation defrosting judgment: continuously calculating the accumulated Time Time1 of which the T1 is not more than N3 after the defrosting process is finished; calculating the accumulated running Time Time2 of the compressor after the defrosting process is finished; calculating the running Time Time3 after the last defrosting of the refrigerator is finished; calculating the duration of each defrosting process: time 4.
When the running Time of the compressor of the refrigerator is 180min, the compressor is forcibly stopped once; when 3 times of forced operation continuously occurs, the product is defrosted for one time, and the defrosting exit temperature is minus 18 ℃.
When Time < D2, the product running Time3 is 48 hours, or Time1 is 24 hours; the two conditions are that one enters a primary defrosting process and the temperature of the defrosting process is minus 18 ℃.
Comparing the Time difference delta Time4 of the last defrosting Time minus the Time difference delta Time of the last defrosting Time; when the delta Time4 is more than or equal to 10min, the Time3+10min is more than or equal to 48 hours, or the Time1+10min is more than or equal to 24 hours, the product is subjected to primary defrosting.
And simultaneously, the time interval of two adjacent defrosting processes is set to be more than or equal to 8 hours.
As shown in fig. 3, a defrosting control apparatus according to an embodiment of the present invention includes:
the obtaining module A01 is configured to, after detecting that the target refrigeration equipment is powered on and operated for a preset duration, defrost and obtain a temperature T1 detected by the defrosting temperature sensor at that time.
When the target refrigeration equipment is detected to be powered on and operated, the target refrigeration equipment is indicated to be in initial operation after being powered on. After the preset time interval is passed after the power is switched on, and after the target refrigeration equipment runs for a period of time, the detected temperature T1 of the defrosting temperature sensor is obtained at the moment so as to be used by a subsequent control module. The specific embodiment of the invention is not particularly limited, as long as the temperature of the position where frost is easily generated in the target refrigeration equipment can be accurately obtained in real time.
The control module A02 is used for calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to the second preset temperature N2 from the moment when the T1 is greater than the first preset temperature N1, and controlling the defrosting process to be executed when the T1 reaches the first preset time D1; wherein N1 is more than N2.
First, determining the relationship between T1 and the first preset temperature N1, N1 may be set to be less than or equal to 0 ℃. The value of N1 should be set to be sufficient to produce frosting. When T1 is detected to be less than or equal to N1, the frost is likely to be generated in the refrigeration equipment, and the defrosting process is controlled to be executed.
Acquiring the detection temperature T2 of the defrosting temperature sensor in real time from the moment, and calculating the accumulated time T1 of the second preset temperature N2, wherein T2 is not more than the second preset temperature N2 from the moment; the second preset temperature N2 is a lower temperature than N1. In the embodiment of the invention, the frost generation is a longer time process, and whether the frost generation is possibly not completely accurate is judged by detecting the temperature value at a certain moment, so the control module calculates that the detected temperature of the real-time defrosting temperature sensor falls to the accumulated total time length value t1 less than or equal to the second preset temperature N2, when the total time length value t1 obtained by accumulated calculation is longer than the preset time length D1, the frost generation in the refrigerating device is judged, and the defrosting process is controlled to be executed.
According to the defrosting control device provided by the embodiment of the invention, an environment temperature sensor in the prior art is eliminated, and a set of defrosting control program based on the defrosting temperature sensor is adopted to realize defrosting control of target refrigeration equipment. The embodiment of the invention solves the technical problems of high hardware cost and complicated control program in the prior art of defrosting of refrigeration equipment, and has the advantages of economy and simple control.
On the basis of any of the above embodiments of the present invention, there is provided a defrosting control apparatus, wherein the control module a02 is further configured to: when T1 is less than or equal to a first preset temperature N1, the defrosting process is controlled to be executed, and then the method comprises the following steps: when the real-time detection temperature of the defrosting temperature sensor reaches a third preset temperature N3, controlling to stop a defrosting process; wherein N3 > N1; correspondingly, when T1 is greater than the first preset temperature N1, calculating the accumulated time length T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to the second preset temperature N2 from the moment, and controlling to execute the defrosting process when T1 reaches the first preset time length D1, wherein the method comprises the following steps: when the real-time temperature of the temperature sensor reaches a fourth preset temperature N4, controlling to stop a defrosting process; wherein N4 is more than N3.
In the embodiment of the invention, after the target refrigeration equipment enters the defrosting process, the defrosting process is controlled to stop after different preset temperatures are respectively reached, wherein N4 is more than N3 in consideration of different defrosting difficulties in two cases.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control apparatus, wherein the control module is further configured to:
when the continuous running time t2 of the compressor of the target refrigeration equipment reaches a second preset time D2, controlling the compressor to stop once;
when the compressor is shut down for a preset time and the defrosting process is not controlled to be executed between the preset times of shut down, the defrosting process is controlled to be executed, and when the real-time detection temperature of the temperature sensor reaches a fifth preset temperature N5, the defrosting process is controlled to be stopped; wherein N5 is more than N2.
When the compressor of the target refrigerating apparatus is continuously operated for a period of D2 hours, the compressor is controlled to be stopped once for the sake of energy saving. And after the compressor is stopped for multiple times and preset stop times are reached, judging whether the target refrigeration equipment is defrosted or not among the multiple times of stopping, and if not, controlling to execute a defrosting process in consideration of that the target refrigeration equipment is likely to generate frost at the moment. And similarly, when the real-time temperature of the temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control apparatus, wherein the control module is further configured to:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the continuous operation time t3 of the target refrigeration equipment reaches a third preset time D3 after the last defrosting process is finished, or confirming that the accumulated time t 1' when the real-time detection temperature of the defrosting temperature sensor is less than or equal to a second preset temperature N2 after the last defrosting process of the target refrigeration equipment reaches a first preset time D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time temperature detected by the temperature sensor reaches a sixth preset temperature N6; wherein N6 is more than N2.
When the target refrigeration equipment compressor does not continuously operate for the preset time length D2, whether the target refrigeration equipment operation time length t3 reaches the third preset time length D3 after the last defrosting of the target refrigeration equipment is finished or whether the accumulated time length t 1' when the temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2 after the last defrosting of the target refrigeration equipment is finished reaches the first preset time length D1 is judged. Because it is considered that if one of the above conditions is satisfied, the target refrigeration equipment is likely to be frosted, the defrosting process is controlled to be executed.
And similarly, when the real-time detection temperature of the defrosting temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control apparatus, wherein the control module is further configured to:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the duration of the last defrosting process is longer than the duration of the last defrosting process by at least a fourth preset duration D4;
acquiring the running time t3 after the last defrosting process of the target refrigeration equipment is finished; or acquiring the accumulated time t 1' when the real-time detection temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2 after the last defrosting process of the target refrigeration equipment is finished;
confirming that t3+ N4 reaches the third preset duration D3, or that t 1' + N4 reaches the first preset duration D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time detection temperature of the temperature sensor reaches a seventh preset temperature N7; wherein N7 is more than N2.
First, the last time the defrosting process was performed is compared with the last time the defrosting process was performed, and it is confirmed that there is at least a fourth preset time period N4 more than the last time. Secondly, it is confirmed that t3+ N4 reaches the third preset duration D3 or t 1' + N4 reaches the first preset duration D1, because it is considered that there may be frost of the refrigeration apparatus if one of the above conditions is satisfied, the defrosting process is controlled to be performed.
And similarly, when the real-time detection temperature of the temperature sensor reaches the preset temperature, controlling to stop the defrosting process.
On the basis of any one of the above embodiments of the present invention, a defrosting control device is provided, wherein a defrosting time interval between two adjacent target refrigeration apparatuses is greater than a fifth preset time.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
An example is as follows:
fig. 4 illustrates a physical structure diagram of a server, which may include: a processor (processor)410, a communication Interface 420, a memory (memory)430 and a communication bus 440, wherein the processor 410, the communication Interface 420 and the memory 430 are communicated with each other via the communication bus 440. The processor 410 may call logic instructions in the memory 430 to perform the following method: after detecting that the target refrigeration equipment is electrified and operated for a preset duration, acquiring the detection temperature T1 of the defrosting temperature sensor at the moment; when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process; when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
In addition, the logic instructions in the memory 430 may be implemented in the form of software functional units and stored in a computer readable storage medium when the software functional units are sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Embodiments of the present invention further provide a non-transitory computer-readable storage medium, on which a computer program is stored, where the computer program is implemented to perform the transmission method provided in the foregoing embodiments when executed by a processor, and the method includes: after detecting that the target refrigeration equipment is electrified and operated for a preset duration, acquiring the detection temperature T1 of the defrosting temperature sensor at the moment; when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process; when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A defrosting control method is characterized by comprising the following steps:
after detecting that the target refrigeration equipment is electrified and operated for a preset duration, acquiring the detection temperature T1 of the defrosting temperature sensor at the moment;
when T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process, wherein the first preset temperature N1 is less than or equal to 0 ℃;
when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
2. The defrosting control method according to claim 1, wherein when T1 is less than or equal to a first preset temperature N1, controlling the defrosting process to be executed, and then comprising: when the real-time detection temperature of the defrosting temperature sensor reaches a third preset temperature N3, controlling to stop a defrosting process; wherein N3 is more than N1; accordingly, the number of the first and second electrodes,
when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2 from the moment, and controlling to execute a defrosting process when T1 reaches a first preset time D1, wherein the method comprises the following steps: when the real-time detection temperature of the defrosting temperature sensor reaches a fourth preset temperature N4, controlling to stop a defrosting process; wherein N4 is more than N3.
3. The defrosting control method according to claim 1, further comprising:
when the continuous running time t2 of the compressor of the target refrigeration equipment reaches a second preset time D2, controlling the compressor to stop once;
when the compressor is shut down for a preset time and no defrosting process is executed between the preset times, controlling to execute the defrosting process, and when the real-time detection temperature of the defrosting temperature sensor reaches a fifth preset temperature N5, controlling to stop the defrosting process; wherein N5 is more than N2.
4. The defrosting control method according to claim 3, further comprising:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the continuous operation time t3 of the target refrigeration equipment reaches a third preset time D3 after the last defrosting process is finished, or confirming that the accumulated time t 1' when the real-time detection temperature of the defrosting temperature sensor is less than or equal to a second preset temperature N2 after the last defrosting process of the target refrigeration equipment reaches a first preset time D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time temperature detected by the defrosting temperature sensor reaches a sixth preset temperature N6; wherein N6 is more than N2.
5. The defrosting control method according to claim 3, further comprising:
confirming that the continuous operation time length of the compressor of the target refrigeration equipment is less than a second preset time length D2;
confirming that the duration of the last defrosting process is longer than that of the previous defrosting process by at least a fourth preset duration D4;
acquiring the running time t3 after the last defrosting process of the target refrigeration equipment is finished, and confirming that t3+ D4 reaches a third preset time D3;
or acquiring the accumulated time t1 'when the real-time detection temperature of the defrosting temperature sensor is less than or equal to the second preset temperature N2 after the last defrosting process of the target refrigeration equipment is finished, and confirming that the t 1' + D4 reaches the first preset time D1;
controlling to execute a defrosting process, and controlling to stop the defrosting process when the real-time temperature of the defrosting temperature sensor reaches a seventh preset temperature N7; wherein N7 is more than N2.
6. The control method according to any one of claims 1 to 5, wherein the time interval between two adjacent defrosting procedures is greater than a fifth preset time.
7. A defrosting control apparatus characterized by comprising:
the acquiring module is used for acquiring the temperature T1 detected by the defrosting temperature sensor at the moment after the target refrigeration equipment is detected to be electrified and operated for the preset duration;
the control module is used for controlling and executing a defrosting process when T1 is not more than a first preset temperature N1, wherein the first preset temperature N1 is less than or equal to 0 ℃; when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 from the moment when the real-time detection temperature of the defrosting temperature sensor is less than or equal to a second preset temperature N2, and controlling to execute a defrosting process when T1 reaches a first preset time D1; wherein N1 is more than N2.
8. The defrosting control device of claim 7, wherein the control module is further configured to: when the T1 is less than or equal to a first preset temperature N1, controlling to execute a defrosting process, and when the real-time temperature detected by the defrosting temperature sensor reaches a third preset temperature N3, controlling to stop the defrosting process; wherein N3 is more than N1; accordingly, the number of the first and second electrodes,
the control module is further configured to: when T1 is greater than a first preset temperature N1, calculating the accumulated time T1 from the moment when the real-time detection temperature T2 of the defrosting temperature sensor is less than or equal to a second preset temperature N2, controlling to execute a defrosting process when T1 reaches a first preset time D1, and controlling to stop the defrosting process when the real-time temperature detected by the defrosting temperature sensor reaches a fourth preset temperature N4; wherein N4 is more than N3.
9. An electronic device, comprising:
at least one processor, at least one memory, a communication interface, and a bus; wherein,
the processor, the memory and the communication interface complete mutual communication through the bus;
the memory stores program instructions executable by the processor, the processor invoking the program instructions to perform the defrosting control method of any one of claims 1 to 6.
10. A non-transitory computer-readable storage medium storing computer instructions that cause a computer to perform the defrosting control method of any one of claims 1 to 6.
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| CN111076461A (en) * | 2019-12-19 | 2020-04-28 | 珠海格力电器股份有限公司 | Defrosting control method and device for refrigeration equipment and refrigeration equipment |
| CN111811198A (en) * | 2020-06-03 | 2020-10-23 | 珠海格力电器股份有限公司 | Defrosting control method and device and electric equipment |
| CN112762646A (en) * | 2020-12-31 | 2021-05-07 | Tcl家用电器（合肥）有限公司 | Air return duct heating control device and heating control method |
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