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CN109442855A - Defrosting control method and device - Google Patents

Defrosting control method and device Download PDF

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Publication number
CN109442855A
CN109442855A CN201811216134.1A CN201811216134A CN109442855A CN 109442855 A CN109442855 A CN 109442855A CN 201811216134 A CN201811216134 A CN 201811216134A CN 109442855 A CN109442855 A CN 109442855A
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CN
China
Prior art keywords
refrigeration equipment
target refrigeration
compressor
confirming
operation time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811216134.1A
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Chinese (zh)
Inventor
毕道国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Midea Refrigerator Co Ltd
Original Assignee
Hubei Midea Refrigerator Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Midea Refrigerator Co Ltd filed Critical Hubei Midea Refrigerator Co Ltd
Priority to CN201811216134.1A priority Critical patent/CN109442855A/en
Publication of CN109442855A publication Critical patent/CN109442855A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002Defroster control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02Defrosting cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00Arrangement or mounting of control or safety devices
    • F25B49/02Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022Compressor control arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06Removing frost
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2347/00Details for preventing or removing deposits or corrosion
    • F25B2347/02Details of defrosting cycles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2600/00Control issues
    • F25D2600/06Controlling 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 present invention provides defrosting control method and device, which comprises confirmation is powered operation since target refrigeration equipment, and the single continuous running time of the compressor of target refrigeration equipment is both less than the first preset duration D1;Compressor booting total duration and target refrigeration equipment are powered and run the ratio n of total duration after certainly the last defrost process of calculating target refrigeration equipment;Confirm the first preset ratio of n > R1;Confirmation target refrigeration equipment continuous running time t1 after the last defrost process reaches the second preset duration D2, or changes compressor continuous running time t2 after target refrigeration equipment the last time defrost process and reach third preset duration D3;Control executes defrost process.The embodiment of the present invention solves refrigeration equipment defrost in the prior art, and hardware cost is high, has the beneficial effect for reducing economic cost.

Description

Defrosting control method and device
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:
confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished;
confirming that n > a first preset proportion R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2;
and controlling and executing a defrosting process.
According to a second aspect of the present invention, there is provided a defrosting control apparatus including:
the first confirming module is used for confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished;
a second confirmation module for confirming that n > the first predetermined ratio R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2;
and the control module is used for controlling and executing the defrosting process.
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 running time judgment of refrigeration equipment and a compressor thereof 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.
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:
s1, confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; and calculating the proportion n of the total starting time of the compressor to the total electrified operation time of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished.
In the normal operation process of the target refrigeration equipment, selecting any time point to detect the single continuous operation time length of the compressor of the target refrigeration equipment from the start of the power-on operation of the target refrigeration equipment, and if the single continuous operation time length of the compressor of the target refrigeration equipment which does not exist at any time is greater than a first preset time length D1, indicating that the target refrigeration equipment does not generate frost currently; the setting of the size of D1 is obtained through experiments and data statistics, that is, when the time length of a single continuous operation of the compressor of any one target refrigeration equipment reaches D1, frost can be generated in the target refrigeration equipment. Further, the ratio n of the total starting time length of the compressor of the target refrigeration equipment to the total power-on operation time length of the target refrigeration equipment after the last defrosting process is finished is calculated so as to be adopted by the subsequent control steps.
S2, confirming that n is larger than a first preset proportion R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2.
First, in step S2, the relationship between n and the first predetermined ratio R1 is determined, for example, R1 may be set to 70%. When n > R1 is detected, the subsequent decision step is performed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process of the target refrigeration equipment is finished is further judged, the target refrigeration equipment is indicated to be mostly frosted, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a third preset time D3, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D3 is less than D2. The values D2 and D3 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D2 or D3 is satisfied, frost can appear in the target refrigeration equipment.
And S3, controlling and executing the defrosting process.
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 judgment of the running time of the refrigeration equipment and the compressor thereof 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 one of the above embodiments of the present invention, there is provided a defrosting control method, wherein it is confirmed that a single continuous operation time period of a compressor of a target refrigeration apparatus is less than a first preset time period D1 since a target refrigeration apparatus starts to be powered on; calculating the proportion n of the total starting time length of the compressor and the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished, and then further comprising the following steps:
confirming that R1 > n > a second preset proportion R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a fourth preset time D4 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a fifth preset time D5 after the last defrosting process of the target refrigeration equipment is finished; controlling and executing a defrosting process; wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2.
In the embodiment of the present invention, first, the relationship between n and the first predetermined ratio R1 and the second predetermined ratio R2 is determined, for example, R1 may be set to 70% and R2 may be set to 40%. When R1 > n > the second preset ratio R2 is detected, the subsequent judgment step is executed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches the fourth preset time D4 after the last defrosting process of the target refrigeration equipment is judged to be finished, the target refrigeration equipment is indicated to be mostly frosted, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a fifth preset time D5, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2. The values D4 and D5 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D4 or D5 is satisfied, frost can appear in the target refrigeration equipment.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control method, wherein it is confirmed that a single continuous operation time period of a compressor of a target refrigeration apparatus is less than a first preset time period D1 since a target refrigeration apparatus starts to be powered on; calculating the proportion n of the total starting time length of the compressor and the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished, and then further comprising the following steps:
confirm n < R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a sixth preset time D6 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a seventh preset time D7 after the last defrosting process of the target refrigeration equipment is finished; controlling and executing a defrosting process; wherein D7 is less than D6, D7 is more than D5, and D6 is more than D4.
In the embodiment of the present invention, the relationship between n and the second predetermined ratio R2 is first determined, for example, R2 may be set to 40%. When R2 > n is detected, the subsequent decision step is performed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches a sixth preset time D6 after the last defrosting process of the target refrigeration equipment is judged to be finished, the fact that the target refrigeration equipment is mostly frosted is indicated, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a seventh preset time D7, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D7 is less than D6, D7 is more than D5, and D6 is more than D4. The values D6 and D7 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D6 or D7 is satisfied, frost can appear in the target refrigeration equipment.
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:
detecting that target refrigeration equipment is electrified to operate; calculating the continuous operation time t3 of the target refrigeration equipment; calculating the continuous operation time t4 of the compressor of the target refrigeration equipment;
confirming that t3 reaches the eighth preset duration D8, or that t4 reaches the ninth preset duration D9; controlling and executing a defrosting process; wherein D9 is less than D8.
In the embodiment of the invention, after the target refrigeration equipment is powered on to operate, the target refrigeration equipment continuous operation time length t3 and the target refrigeration equipment compressor continuous operation time length t4 are calculated. When the time t3 reaches the eighth preset time length D8 or the time t4 reaches the ninth preset time length D9, the fact that frost is generated in the target refrigeration equipment is mostly indicated, and the defrosting process is controlled to be executed; the values D8 and D9 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D6 or D7 is satisfied, frost can appear in the target refrigeration equipment.
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 operation time of the compressor of the target refrigeration equipment reaches a tenth preset time, controlling the compressor to stop once;
and when the compressor is shut down for a preset time and no defrosting process is executed between the preset times of shut down, controlling to execute the defrosting process.
And when the compressor of the target refrigeration equipment continuously operates for the tenth preset time length, controlling the compressor to stop once from the energy-saving perspective. 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.
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 an eleventh preset time length.
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.
First, the refrigerator is powered on to operate, and the primary operation of the refrigerator is detected.
When the continuous operation time of the compressor reaches 4 hours or the refrigerator continuously operates for 6 hours, once defrosting operation is carried out.
When the single starting operation time of the compressor is more than 180 hours, the compressor is forcibly stopped once; when 3 times of forced stop occur, the compressor enters into defrosting operation after the forced stop is finished.
And detecting the starting time of the running of the refrigerator, and accumulating the ratio n of the starting time of the compressor after the last defrosting is finished to the running time of the refrigerator when the running time of the compressor for one time is less than 180 h.
When n is more than 70%, the accumulated running time of the compressor reaches 18 hours (or the refrigerator runs for 24 hours), and primary defrosting is carried out after one of the two conditions is met.
When the operation time of the compressor reaches 24 hours (or the refrigerator operates for 48 hours) when the operation time is 70% > n > 40%, defrosting is carried out once after one of the two conditions is met.
When n is less than 40%, the accumulated running time of the compressor reaches 36 hours (or the refrigerator runs for 72 hours), and defrosting is carried out once after one of the two conditions is met.
And simultaneously, the time interval of two adjacent defrosting processes is set to be more than or equal to 8 hours.
Referring to fig. 3, a defrosting control apparatus according to an embodiment of the present invention is shown, including:
the first confirmation module A01 is used for confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than the first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; and calculating the proportion n of the total starting time of the compressor to the total electrified operation time of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished.
In the normal operation process of the target refrigeration equipment, selecting any time point to detect the single continuous operation time length of the compressor of the target refrigeration equipment from the start of the power-on operation of the target refrigeration equipment, and if the single continuous operation time length of the compressor of the target refrigeration equipment which does not exist at any time is greater than a first preset time length D1, indicating that the target refrigeration equipment does not generate frost currently; the setting of the size D1 is obtained through experiments and data statistics, namely, when the single continuous operation time of the compressor of any target refrigeration equipment reaches D1, frost can appear in the target refrigeration equipment. Further, the ratio n of the total starting time length of the compressor of the target refrigeration equipment to the total power-on operation time length of the target refrigeration equipment after the last defrosting process is finished is calculated so as to be adopted by the subsequent control steps.
A second confirmation module A02 for confirming that n > the first predetermined ratio R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2.
First, the relationship between n and the first predetermined ratio R1 is determined, for example, R1 may be set to 70% or less. When n > R1 is detected, the subsequent decision step is performed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process of the target refrigeration equipment is finished is further judged, the target refrigeration equipment is indicated to be mostly frosted, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a third preset time D3, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D3 is less than D2. The values D2 and D3 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D2 or D3 is satisfied, frost can appear in the target refrigeration equipment.
And the control module A03 is used for controlling the defrosting process.
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 running time judgment of the refrigeration equipment and the compressor thereof 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 apparatus, wherein the second confirming module is further configured to:
confirming that R1 > n > a second preset proportion R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a fourth preset time D4 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a fifth preset time D5 after the last defrosting process of the target refrigeration equipment is finished; wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2. Correspondingly, the control module is used for controlling and executing the defrosting process.
In the embodiment of the present invention, first, the relationship between n and the first predetermined ratio R1 and the second predetermined ratio R2 is determined, for example, R1 may be set to be less than or equal to 70%, and R2 may be set to be less than or equal to 40%. When R1 > n > the second preset ratio R2 is detected, the subsequent judgment step is executed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches the fourth preset time D4 after the last defrosting process of the target refrigeration equipment is judged to be finished, the target refrigeration equipment is indicated to be mostly frosted, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a fifth preset time D5, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2. The values D4 and D5 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D4 or D5 is satisfied, frost can appear in the target refrigeration equipment.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control apparatus, wherein the second control module is further configured to:
confirm n < R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a sixth preset time D6 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a seventh preset time D7 after the last defrosting process of the target refrigeration equipment is finished; wherein D7 is less than D6, D7 is more than D5, and D6 is more than D4. Correspondingly, the control module is used for controlling and executing the defrosting process.
In the embodiment of the present invention, first, the relationship between n and the second predetermined ratio R2 is determined, for example, R2 may be set to be less than or equal to 40%. When R2 > n is detected, the subsequent decision step is performed.
Further, when the continuous operation time t1 of the target refrigeration equipment reaches a sixth preset time D6 after the last defrosting process of the target refrigeration equipment is judged to be finished, the fact that the target refrigeration equipment is mostly frosted is indicated, and the defrosting process is controlled to be executed; or after the last defrosting process of the target refrigeration equipment is finished, the continuous operation time t2 of the defrosting compressor reaches a seventh preset time D7, which indicates that the target refrigeration equipment is mostly frosted, and the defrosting process is controlled to be executed. Wherein D7 is less than D6, D7 is more than D5, and D6 is more than D4. The values D6 and D7 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D6 or D7 is satisfied, frost can appear in the target refrigeration equipment.
On the basis of any one of the above embodiments of the present invention, there is provided a defrosting control device for a target refrigeration equipment, wherein the second confirming module is further configured to:
detecting that target refrigeration equipment is electrified to operate; calculating the continuous operation time t3 of the target refrigeration equipment; calculating the continuous operation time t4 of the compressor of the target refrigeration equipment;
confirming that t3 reaches the eighth preset duration D8, or that t4 reaches the ninth preset duration D9; wherein D9 is less than D8.
Correspondingly, the control module is used for controlling and executing the defrosting process.
The method comprises the steps of calculating the continuous operation time t3 of the target refrigeration equipment and the continuous operation time t4 of the compressor of the target refrigeration equipment after the target refrigeration equipment is powered on to operate. When the time t3 reaches the eighth preset time length D8 or the time t4 reaches the ninth preset time length D9, the fact that frost is generated in the target refrigeration equipment is mostly indicated, and the defrosting process is controlled to be executed; the values D8 and D9 are set to be obtained through experiments and data statistics, that is, when any judgment condition corresponding to D6 or D7 is satisfied, frost can appear in the target refrigeration equipment.
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 operation time of the compressor of the target refrigeration equipment reaches a tenth preset time, controlling the compressor to stop once;
and when the compressor is shut down for a preset time and no defrosting process is executed between the preset times of shut down, controlling to execute the defrosting process.
And when the compressor of the target refrigeration equipment continuously operates for the tenth preset time length, controlling the compressor to stop once from the energy-saving perspective. 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.
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 an eleventh preset time length.
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: confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished; confirming that n > a first preset proportion R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; and controlling and executing a defrosting process.
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: confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished; confirming that n > a first preset proportion R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; and controlling and executing a defrosting process.
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:
confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished;
confirming that n > a first preset proportion R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2;
and controlling and executing a defrosting process.
2. The defrosting control method according to claim 1, wherein it is confirmed that a single continuous operation time period of a compressor of the target cooling device is less than a first preset time period D1 since the target cooling device is powered on; calculating the proportion n of the total starting time length of the compressor and the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished, and then further comprising the following steps:
confirming that R1 > n > a second preset proportion R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a fourth preset time D4 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a fifth preset time D5 after the last defrosting process of the target refrigeration equipment is finished; controlling and executing a defrosting process; wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2.
3. The defrosting control method according to claim 2, wherein it is confirmed that the single continuous operation time period of the compressor of the target cooling device is less than the first preset time period D1 since the target cooling device is powered on; calculating the proportion n of the total starting time length of the compressor and the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished, and then further comprising the following steps:
confirm n < R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a sixth preset time D6 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a seventh preset time D7 after the last defrosting process of the target refrigeration equipment is finished; controlling and executing a defrosting process; wherein D7 is less than D6, D7 is more than D5, and D6 is more than D4.
4. The defrosting control method according to any one of claims 1 to 3, further comprising:
detecting that target refrigeration equipment is electrified to operate; calculating the continuous operation time t3 of the target refrigeration equipment; calculating the continuous operation time t4 of the compressor of the target refrigeration equipment;
confirming that t3 reaches the eighth preset duration D8, or that t4 reaches the ninth preset duration D9; controlling and executing a defrosting process; wherein D9 is less than D8.
5. The defrosting control method according to any one of claims 1 to 3, further comprising:
when the continuous operation time of the compressor of the target refrigeration equipment reaches a tenth preset time, controlling the compressor to stop once;
and when the compressor is shut down for a preset time and no defrosting process is executed between the preset times of shut down, controlling to execute the defrosting process.
6. The control method according to any one of claims 1 to 3, wherein the time interval between two adjacent defrosting procedures is greater than an eleventh preset time length.
7. A defrosting control apparatus characterized by comprising:
the first confirming module is used for confirming that the single continuous operation time length of the compressor of the target refrigeration equipment is less than a first preset time length D1 from the start of the power-on operation of the target refrigeration equipment; calculating the proportion n of the total starting time length of the compressor to the total electrifying operation time length of the target refrigeration equipment after the last defrosting process of the target refrigeration equipment is finished;
a second confirmation module for confirming that n > the first predetermined ratio R1; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a second preset time D2 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a third preset time D3 after the last defrosting process of the target refrigeration equipment is finished; wherein D3 is less than D2;
and the control module is used for controlling and executing the defrosting process.
8. The defrosting control device of claim 7, wherein the control module is further configured to:
confirming that R1 > n > a second preset proportion R2; confirming that the continuous operation time t1 of the target refrigeration equipment reaches a fourth preset time D4 after the last defrosting process is finished, or confirming that the continuous operation time t2 of the compressor reaches a fifth preset time D5 after the last defrosting process of the target refrigeration equipment is finished; controlling and executing a defrosting process; wherein D5 is less than D4, D5 is more than D3, D4 is more than D2, and R1 is more than R2.
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.
CN201811216134.1A 2018-10-18 2018-10-18 Defrosting control method and device Pending CN109442855A (en)

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Publication number Priority date Publication date Assignee Title
KR20040045940A (en) * 2002-11-26 2004-06-05 주식회사 대우일렉트로닉스 The defrosting method of a refrigerator
CN202267298U (en) * 2011-09-14 2012-06-06 合肥美的荣事达电冰箱有限公司 Defrosting refrigerator
CN104315785A (en) * 2014-11-12 2015-01-28 合肥美的电冰箱有限公司 Defrosting method and defrosting system for refrigerator
CN106288613A (en) * 2016-08-29 2017-01-04 合肥华凌股份有限公司 The defrosting control method of refrigerator, the defrosting control device of refrigerator and refrigerator
CN107883623A (en) * 2017-10-19 2018-04-06 合肥华凌股份有限公司 Defrosting control method, defrosting control device, refrigeration plant and readable storage medium storing program for executing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040045940A (en) * 2002-11-26 2004-06-05 주식회사 대우일렉트로닉스 The defrosting method of a refrigerator
CN202267298U (en) * 2011-09-14 2012-06-06 合肥美的荣事达电冰箱有限公司 Defrosting refrigerator
CN104315785A (en) * 2014-11-12 2015-01-28 合肥美的电冰箱有限公司 Defrosting method and defrosting system for refrigerator
CN106288613A (en) * 2016-08-29 2017-01-04 合肥华凌股份有限公司 The defrosting control method of refrigerator, the defrosting control device of refrigerator and refrigerator
CN107883623A (en) * 2017-10-19 2018-04-06 合肥华凌股份有限公司 Defrosting control method, defrosting control device, refrigeration plant and readable storage medium storing program for executing

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