CN111076461A - Defrosting control method and device for refrigeration equipment and refrigeration equipment - Google Patents

Defrosting control method and device for refrigeration equipment and refrigeration equipment Download PDF

Info

Publication number
CN111076461A
CN111076461A CN201911316377.7A CN201911316377A CN111076461A CN 111076461 A CN111076461 A CN 111076461A CN 201911316377 A CN201911316377 A CN 201911316377A CN 111076461 A CN111076461 A CN 111076461A
Authority
CN
China
Prior art keywords
defrosting
refrigeration equipment
refrigeration
condition information
working condition
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
CN201911316377.7A
Other languages
Chinese (zh)
Inventor
李宏波
丁楠
张锐
冯金玲
龚金枝
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.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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 Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201911316377.7A priority Critical patent/CN111076461A/en
Publication of CN111076461A publication Critical patent/CN111076461A/en
Pending legal-status Critical Current

Links

Images

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
    • 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
    • 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

Abstract

The invention relates to a defrosting control method and device for refrigeration equipment and the refrigeration equipment, wherein the defrosting control method for the refrigeration equipment comprises the following steps: acquiring first working condition information of refrigeration equipment; judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information; and when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode. According to the defrosting control method, the first working condition information of the refrigeration equipment is acquired, and whether automatic defrosting operation is performed or not is determined according to the first working condition information.

Description

Defrosting control method and device for refrigeration equipment and refrigeration equipment
Technical Field
The invention relates to the technical field of refrigeration equipment control, in particular to a defrosting control method and device for refrigeration equipment and the refrigeration equipment.
Background
When refrigeration equipment such as a refrigeration house, a refrigerator, an air conditioner and the like operates, the evaporator can generate a frosting phenomenon, and if the frosting phenomenon cannot be cleared in time, the refrigeration effect of the evaporator can be influenced, and further the temperature fluctuation of the refrigeration equipment can be influenced.
The existing defrosting mode of the refrigeration equipment generally comprises the following steps: water is towards frost, artifical frost of sweeping etc. and current defrosting mode must just can go on under the condition of relevant personnel manual operation, whether carry out the defrosting operation and also be decided by relevant personnel according to the experience, and prior art can not carry out the defrosting according to refrigeration plant frosting degree is automatic, causes current refrigeration plant intelligent degree low, refrigeration effect poor, influences user's use experience greatly.
Disclosure of Invention
In view of the above, the present invention provides a defrosting control method and apparatus for a refrigeration apparatus, and a refrigeration apparatus.
In order to achieve the purpose, the invention adopts the following technical scheme: a refrigeration apparatus defrost control method comprising:
acquiring first working condition information of refrigeration equipment;
judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information;
and when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode.
Optionally, the obtaining of the first working condition information of the refrigeration equipment specifically includes:
the method comprises the steps of obtaining first working condition information of the refrigeration equipment when the refrigeration equipment is in a refrigeration mode or a standby mode.
Optionally, the first operating condition information includes:
the running time of the compressor after the compressor is started, the defrosting temperature of the evaporator, the thickness of a frost layer, the temperature difference of inlet and outlet water of the refrigeration equipment, the pressure of an air suction port of the compressor and the pressure of an air exhaust port of the compressor.
Optionally, the determining whether the refrigeration equipment meets the defrosting condition according to the first working condition information includes:
if the operation time after the compressor is started at this time is longer than the preset defrosting interval time,
the defrosting temperature of the evaporator is less than or equal to the defrosting starting set temperature,
the thickness of the frost layer is larger than the preset thickness,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is larger than a first temperature difference set value,
the difference between the pressure of the air suction port and the pressure of the air exhaust port of the compressor is greater than the set pressure difference value,
the pressure of the air suction port of the compressor is smaller than a first pressure set value, and the refrigeration equipment meets defrosting conditions;
otherwise, the refrigeration equipment does not meet the defrosting condition.
Optionally, after the refrigeration apparatus operates in the defrosting mode, the method further includes:
acquiring second working condition information of the refrigeration equipment;
judging whether the refrigeration equipment meets a defrosting closing condition or not according to the second working condition information;
and when the refrigeration equipment meets the defrosting closing condition, controlling the refrigeration equipment to stop defrosting.
Optionally, the second operating condition information includes:
the defrosting temperature of the evaporator, the running time of the defrosting mode, the temperature difference of inlet and outlet water of the refrigeration equipment and the pressure of the exhaust port of the compressor.
Optionally, the determining, according to the second working condition information, whether the refrigeration apparatus meets a defrosting closing condition includes:
if the evaporator defrosting temperature is greater than the defrosting end setting temperature,
the defrosting mode operation time length is longer than the defrosting operation preset time length,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is less than a second temperature difference set value, and/or,
the pressure of the exhaust port of the compressor is greater than a second pressure set value, and the refrigeration equipment meets the defrosting closing condition;
otherwise, the refrigeration equipment does not meet the defrosting turn-off condition.
The invention also provides a defrosting control device of the refrigeration equipment, which comprises:
the first acquisition module is used for acquiring first working condition information of the refrigeration equipment;
the first judgment module is used for judging whether the refrigeration equipment meets the defrosting starting condition or not according to the first working condition information;
the first control module is used for controlling the refrigeration equipment to operate in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
Optionally, the method further includes:
the second acquisition module is used for acquiring second working condition information of the refrigeration equipment;
the second judgment module is used for judging whether the refrigeration equipment meets the defrosting closing condition or not according to the second working condition information;
and the second control module is used for controlling the refrigeration equipment to stop defrosting when the refrigeration equipment meets the defrosting closing condition.
In addition, the present invention also provides a refrigerating apparatus comprising:
the refrigeration equipment defrosting control device as described above;
the detection device is used for detecting the working condition information of the refrigeration equipment, and the working condition information comprises first working condition information;
and the defrosting execution device is used for operating in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
By adopting the technical scheme, the defrosting control method for the refrigeration equipment comprises the following steps: acquiring first working condition information of refrigeration equipment; judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information; and when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode. According to the defrosting control method, the first working condition information of the refrigeration equipment is acquired, and whether automatic defrosting operation is performed or not is determined according to the first working condition information.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a defrosting control method for a refrigeration apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart of a defrosting control method for a refrigeration apparatus according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a defrosting control device of a refrigeration apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram provided by an embodiment of the refrigeration apparatus of the present invention.
In the figure: 1. a first acquisition module; 2. a first judgment module; 3. a first control module; 4. a refrigeration equipment defrosting control device; 5. a detection device; 6. a defrosting execution device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Fig. 1 is a schematic flow chart of a defrosting control method for a refrigeration apparatus according to an embodiment of the present invention.
As shown in fig. 1, the defrosting control method for a refrigeration apparatus according to the present embodiment includes:
s11: acquiring first working condition information of refrigeration equipment;
further, acquiring the first operating condition information of the refrigeration equipment specifically includes:
the method comprises the steps of obtaining first working condition information of the refrigeration equipment when the refrigeration equipment is in a refrigeration mode or a standby mode.
Further, the first operating condition information includes:
the running time of the compressor after the compressor is started, the defrosting temperature of the evaporator, the thickness of a frost layer, the temperature difference of inlet and outlet water of the refrigeration equipment, the pressure of an air suction port of the compressor and the pressure of an air exhaust port of the compressor.
S12: judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information;
further, the determining whether the refrigeration equipment meets the defrosting condition according to the first working condition information includes:
if the operation time after the compressor is started at this time is longer than the preset defrosting interval time,
the defrosting temperature of the evaporator is less than or equal to the defrosting starting set temperature,
the thickness of the frost layer is larger than the preset thickness,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is larger than a first temperature difference set value,
the difference between the pressure of the air suction port and the pressure of the air exhaust port of the compressor is greater than the set pressure difference value,
the pressure of the air suction port of the compressor is smaller than a first pressure set value, and the refrigeration equipment meets defrosting conditions;
otherwise, the refrigeration equipment does not meet the defrosting condition.
S13: and when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode.
When the control method is used, the operation time, the defrosting temperature of the evaporator, the thickness of a frost layer, the temperature difference of inlet and outlet water of the refrigeration equipment, the pressure of an air suction port of the compressor and the pressure of an air exhaust port of the compressor after the compressor of the refrigeration equipment is started at this time are obtained, the information of the working conditions is analyzed, and when the defrosting starting condition is met, the refrigeration equipment is controlled to operate in a defrosting mode.
According to the defrosting control method, the first working condition information of the refrigeration equipment is acquired, whether automatic defrosting operation is carried out or not is determined according to the first working condition information, the defrosting operation can be automatically carried out according to the frosting degree of the refrigeration equipment by the control method, frosting is timely removed, so that the influence on the refrigeration effect of an evaporator is reduced, the temperature fluctuation of the refrigeration equipment during defrosting can be ensured to be small, the control method is favorable for improving the intelligent degree of the refrigeration equipment and the refrigeration effect, and therefore the use experience of a user is improved.
Fig. 2 is a schematic flow chart of a defrosting control method for a refrigeration apparatus according to a second embodiment of the present invention.
As shown in fig. 2, the defrosting control method for a refrigeration apparatus according to the present embodiment includes:
s21: acquiring first working condition information of refrigeration equipment;
further, acquiring the first operating condition information of the refrigeration equipment specifically includes:
the method comprises the steps of obtaining first working condition information of the refrigeration equipment when the refrigeration equipment is in a refrigeration mode or a standby mode.
Further, the first operating condition information includes:
the running time of the compressor after the compressor is started, the defrosting temperature of the evaporator, the thickness of a frost layer, the temperature difference of inlet and outlet water of the refrigeration equipment, the pressure of an air suction port of the compressor and the pressure of an air exhaust port of the compressor.
S22: judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information;
further, the determining whether the refrigeration equipment meets the defrosting condition according to the first working condition information includes:
if the operation time after the compressor is started at this time is longer than the preset defrosting interval time,
the defrosting temperature of the evaporator is less than or equal to the defrosting starting set temperature,
the thickness of the frost layer is larger than the preset thickness,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is larger than a first temperature difference set value,
the difference between the pressure of the air suction port and the pressure of the air exhaust port of the compressor is greater than the set pressure difference value,
the pressure of the air suction port of the compressor is smaller than a first pressure set value, and the refrigeration equipment meets defrosting conditions;
otherwise, the refrigeration equipment does not meet the defrosting condition.
S23: when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode;
s24: when the refrigeration equipment does not meet the defrosting starting condition, controlling the refrigeration equipment to continuously operate according to the original working mode;
s25: when the refrigeration equipment runs for a period of time in a defrosting mode, second working condition information of the refrigeration equipment is obtained;
further, the second operating condition information includes:
the defrosting temperature of the evaporator, the running time of the defrosting mode, the temperature difference of inlet and outlet water of the refrigeration equipment and the pressure of the exhaust port of the compressor.
S26: judging whether the refrigeration equipment meets a defrosting closing condition or not according to the second working condition information;
further, the determining whether the refrigeration equipment meets the defrosting closing condition according to the second working condition information includes:
if the evaporator defrosting temperature is greater than the defrosting end setting temperature,
the defrosting mode operation time length is longer than the defrosting operation preset time length,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is less than a second temperature difference set value, and/or,
the pressure of the exhaust port of the compressor is greater than a second pressure set value, and the refrigeration equipment meets the defrosting closing condition;
otherwise, the refrigeration equipment does not meet the defrosting turn-off condition.
S27: when the refrigeration equipment meets the defrosting closing condition, controlling the refrigeration equipment to stop defrosting; otherwise, steps S25-28 are performed.
The control method of this embodiment is based on the first embodiment, and further includes obtaining second operating condition information of the refrigeration equipment after the refrigeration equipment operates for a period of time in the defrosting mode, analyzing the operating condition information to determine whether the refrigeration equipment meets a defrosting closing condition, and controlling the refrigeration equipment to stop defrosting when the defrosting closing condition is met.
The control method can automatically perform defrosting operation according to the frosting degree of the refrigeration equipment, timely clears the frosting to reduce the influence on the refrigeration effect of the evaporator, can ensure that the temperature fluctuation of the refrigeration equipment is smaller during defrosting, and can automatically close a defrosting mode according to the frosting degree.
Fig. 3 is a schematic structural diagram of a defrosting control device of a refrigeration apparatus according to a first embodiment of the present invention.
As shown in fig. 3, the defrosting control device of the refrigeration equipment according to the embodiment includes:
the first acquisition module 1 is used for acquiring first working condition information of the refrigeration equipment;
the first judgment module 2 is used for judging whether the refrigeration equipment meets the defrosting starting condition or not according to the first working condition information;
the first control module 3 is used for controlling the refrigeration equipment to operate in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
Further, the defrosting control device of the refrigeration equipment further comprises:
the second acquisition module is used for acquiring second working condition information of the refrigeration equipment;
the second judgment module is used for judging whether the refrigeration equipment meets the defrosting closing condition or not according to the second working condition information;
and the second control module is used for controlling the refrigeration equipment to stop defrosting when the refrigeration equipment meets the defrosting closing condition.
The working principle of the defrosting control device for the refrigeration equipment in this embodiment is the same as that of the first or second embodiment of the defrosting control method for the refrigeration equipment, and is not described herein again.
Fig. 4 is a schematic structural diagram provided by an embodiment of the refrigeration apparatus of the present invention.
As shown in fig. 4, the refrigeration apparatus according to the present embodiment includes:
the refrigeration equipment defrosting control means 4 as described previously;
the detection device 5 is used for detecting the working condition information of the refrigeration equipment, and the working condition information comprises first working condition information;
and the defrosting executing device 6 is used for operating in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
In practical use of the refrigeration apparatus according to this embodiment, the detecting device 5 includes: pressure gauge, thermometer, defrosting thermal bulb and infrared ray appearance. The pressure gauge can detect the pressure of an air suction port and the pressure of an air exhaust port of a compressor of the refrigeration equipment; the thermometer detects the temperature of water entering and exiting the refrigeration equipment; the defrosting temperature sensing bulb detects the defrosting temperature of the evaporator; the detection time of the data lasts at least 30 seconds to ensure the validity of the detection data; in addition, an infrared ray instrument is arranged on the evaporator and used for detecting the thickness of the frost layer on the outer surface of the evaporator; a timer is also used to calculate the operating time after the compressor is turned on this time. After the data detection is finished, the detection device 5 transmits the detected data information to the refrigeration equipment defrosting control device 4. The refrigeration equipment defrosting control device 4 analyzes the first working condition information, so as to judge whether a defrosting starting condition is met, and when the defrosting starting condition is met, the defrosting execution device 6 is controlled to operate in a defrosting mode.
The method can also comprise the following steps: when the refrigeration equipment runs for a period of time in a defrosting mode, the detection device 5 can also detect the defrosting temperature of the evaporator, the running time of the defrosting mode, the temperature difference of inlet and outlet water of the refrigeration equipment and the pressure of an exhaust port of the compressor, and transmits the detected data information to the defrosting control device 4 of the refrigeration equipment. And the refrigeration equipment defrosting control device 4 analyzes the second working condition information so as to judge whether a defrosting closing condition is met, and when the defrosting closing condition is met, the defrosting execution device 6 is controlled to be closed to stop defrosting.
Refrigeration plant can be according to refrigeration plant's automatic defrosting operation that carries on of first operating mode information, in time clears away the frosting, in order to reduce the influence to evaporimeter refrigeration effect, can guarantee that the temperature fluctuation of refrigeration plant when defrosting is less, can also be according to the degree self-closing defrosting mode of defrosting, this embodiment refrigeration plant intelligent degree high, refrigeration effect good, be favorable to improving user and use experience.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A refrigeration apparatus defrost control method, comprising:
acquiring first working condition information of refrigeration equipment;
judging whether the refrigeration equipment meets a defrosting starting condition or not according to the first working condition information;
and when the refrigeration equipment meets the defrosting starting condition, controlling the refrigeration equipment to operate in a defrosting mode.
2. The refrigeration equipment defrosting control method according to claim 1, wherein the obtaining of the first operating condition information of the refrigeration equipment specifically comprises:
the method comprises the steps of obtaining first working condition information of the refrigeration equipment when the refrigeration equipment is in a refrigeration mode or a standby mode.
3. The refrigeration apparatus defrosting control method according to claim 1, wherein the first operating condition information includes:
the running time of the compressor after the compressor is started, the defrosting temperature of the evaporator, the thickness of a frost layer, the temperature difference of inlet and outlet water of the refrigeration equipment, the pressure of an air suction port of the compressor and the pressure of an air exhaust port of the compressor.
4. The defrosting control method of a refrigeration device according to claim 3, wherein the determining whether the refrigeration device meets the defrosting condition according to the first operating condition information includes:
if the operation time after the compressor is started at this time is longer than the preset defrosting interval time,
the defrosting temperature of the evaporator is less than or equal to the defrosting starting set temperature,
the thickness of the frost layer is larger than the preset thickness,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is larger than a first temperature difference set value,
the difference between the pressure of the air suction port and the pressure of the air exhaust port of the compressor is greater than the set pressure difference value,
the pressure of the air suction port of the compressor is smaller than a first pressure set value, and the refrigeration equipment meets defrosting conditions;
otherwise, the refrigeration equipment does not meet the defrosting condition.
5. The refrigeration apparatus defrosting control method according to any one of claims 1 to 4, further comprising, after the refrigeration apparatus is operated in the defrosting mode:
acquiring second working condition information of the refrigeration equipment;
judging whether the refrigeration equipment meets a defrosting closing condition or not according to the second working condition information;
and when the refrigeration equipment meets the defrosting closing condition, controlling the refrigeration equipment to stop defrosting.
6. The refrigeration apparatus defrosting control method of claim 5 wherein the second operating condition information comprises:
the defrosting temperature of the evaporator, the running time of the defrosting mode, the temperature difference of inlet and outlet water of the refrigeration equipment and the pressure of the exhaust port of the compressor.
7. The refrigeration equipment defrosting control method according to claim 6, wherein the judging whether the refrigeration equipment meets a defrosting-off condition according to the second working condition information comprises:
if the evaporator defrosting temperature is greater than the defrosting end setting temperature,
the defrosting mode operation time length is longer than the defrosting operation preset time length,
the temperature difference of the inlet water and the outlet water of the refrigeration equipment is less than a second temperature difference set value, and/or,
the pressure of the exhaust port of the compressor is greater than a second pressure set value, and the refrigeration equipment meets the defrosting closing condition;
otherwise, the refrigeration equipment does not meet the defrosting turn-off condition.
8. A refrigeration apparatus defrost control apparatus comprising:
the first acquisition module is used for acquiring first working condition information of the refrigeration equipment;
the first judgment module is used for judging whether the refrigeration equipment meets the defrosting starting condition or not according to the first working condition information;
the first control module is used for controlling the refrigeration equipment to operate in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
9. The refrigeration appliance defrost control of claim 8 further comprising:
the second acquisition module is used for acquiring second working condition information of the refrigeration equipment;
the second judgment module is used for judging whether the refrigeration equipment meets the defrosting closing condition or not according to the second working condition information;
and the second control module is used for controlling the refrigeration equipment to stop defrosting when the refrigeration equipment meets the defrosting closing condition.
10. A refrigeration apparatus, comprising:
the refrigeration appliance defrost control apparatus of claim 8 or 9;
the detection device is used for detecting the working condition information of the refrigeration equipment, and the working condition information comprises first working condition information;
and the defrosting execution device is used for operating in a defrosting mode when the refrigeration equipment meets a defrosting starting condition.
CN201911316377.7A 2019-12-19 2019-12-19 Defrosting control method and device for refrigeration equipment and refrigeration equipment Pending CN111076461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911316377.7A CN111076461A (en) 2019-12-19 2019-12-19 Defrosting control method and device for refrigeration equipment and refrigeration equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911316377.7A CN111076461A (en) 2019-12-19 2019-12-19 Defrosting control method and device for refrigeration equipment and refrigeration equipment

Publications (1)

Publication Number Publication Date
CN111076461A true CN111076461A (en) 2020-04-28

Family

ID=70315610

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911316377.7A Pending CN111076461A (en) 2019-12-19 2019-12-19 Defrosting control method and device for refrigeration equipment and refrigeration equipment

Country Status (1)

Country Link
CN (1) CN111076461A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112815605A (en) * 2021-01-15 2021-05-18 珠海格力电器股份有限公司 Defrosting control method and device, refrigeration equipment and storage medium

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082735A (en) * 1983-10-12 1985-05-10 Toshiba Corp Heat pump type air conditioner
JPH1137616A (en) * 1997-07-23 1999-02-12 Sanyo Electric Co Ltd Controlling method for refrigerant circuit
CN102748917A (en) * 2012-07-18 2012-10-24 合肥美菱股份有限公司 Defrosting control method for inverter refrigerator
CN102927786A (en) * 2012-11-30 2013-02-13 合肥美的荣事达电冰箱有限公司 Defrosting control method and system of refrigerator and refrigerator
CN102997368A (en) * 2012-12-10 2013-03-27 宁波奥克斯电气有限公司 Intelligent defrosting control method for parallel multiple on-line unit with multiple compressors
CN103026154A (en) * 2010-07-26 2013-04-03 大金工业株式会社 Refrigeration device
CN103363614A (en) * 2012-03-26 2013-10-23 珠海格力电器股份有限公司 Air-cooling chilled and hot water air conditioning unit, and defrosting control method and device therefor
CN103486782A (en) * 2013-09-23 2014-01-01 合肥美的电冰箱有限公司 Refrigeration device and defrosting control method thereof
WO2014022269A2 (en) * 2012-07-31 2014-02-06 Carrier Corporation Frozen evaporator coil detection and defrost initiation
CN105674646A (en) * 2016-01-04 2016-06-15 广东美的暖通设备有限公司 Defrosting control method and device for refrigeration equipment and air conditioner
CN106052228A (en) * 2016-05-25 2016-10-26 合肥美的电冰箱有限公司 Defrosting control method and device for refrigeration equipment and refrigeration equipment
CN106568251A (en) * 2016-10-11 2017-04-19 珠海格力电器股份有限公司 Refrigerating equipment defrosting control method and device and refrigerating equipment with device
CN108007065A (en) * 2017-11-30 2018-05-08 Tcl家用电器(合肥)有限公司 Defrosting control method, device, computer equipment and the storage medium of refrigerator
CN109442854A (en) * 2018-10-17 2019-03-08 湖北美的电冰箱有限公司 Defrosting control method and device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6082735A (en) * 1983-10-12 1985-05-10 Toshiba Corp Heat pump type air conditioner
JPH1137616A (en) * 1997-07-23 1999-02-12 Sanyo Electric Co Ltd Controlling method for refrigerant circuit
CN103026154A (en) * 2010-07-26 2013-04-03 大金工业株式会社 Refrigeration device
CN103363614A (en) * 2012-03-26 2013-10-23 珠海格力电器股份有限公司 Air-cooling chilled and hot water air conditioning unit, and defrosting control method and device therefor
CN102748917A (en) * 2012-07-18 2012-10-24 合肥美菱股份有限公司 Defrosting control method for inverter refrigerator
WO2014022269A2 (en) * 2012-07-31 2014-02-06 Carrier Corporation Frozen evaporator coil detection and defrost initiation
CN102927786A (en) * 2012-11-30 2013-02-13 合肥美的荣事达电冰箱有限公司 Defrosting control method and system of refrigerator and refrigerator
CN102997368A (en) * 2012-12-10 2013-03-27 宁波奥克斯电气有限公司 Intelligent defrosting control method for parallel multiple on-line unit with multiple compressors
CN103486782A (en) * 2013-09-23 2014-01-01 合肥美的电冰箱有限公司 Refrigeration device and defrosting control method thereof
CN105674646A (en) * 2016-01-04 2016-06-15 广东美的暖通设备有限公司 Defrosting control method and device for refrigeration equipment and air conditioner
CN106052228A (en) * 2016-05-25 2016-10-26 合肥美的电冰箱有限公司 Defrosting control method and device for refrigeration equipment and refrigeration equipment
CN106568251A (en) * 2016-10-11 2017-04-19 珠海格力电器股份有限公司 Refrigerating equipment defrosting control method and device and refrigerating equipment with device
CN108007065A (en) * 2017-11-30 2018-05-08 Tcl家用电器(合肥)有限公司 Defrosting control method, device, computer equipment and the storage medium of refrigerator
CN109442854A (en) * 2018-10-17 2019-03-08 湖北美的电冰箱有限公司 Defrosting control method and device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112815605A (en) * 2021-01-15 2021-05-18 珠海格力电器股份有限公司 Defrosting control method and device, refrigeration equipment and storage medium

Similar Documents

Publication Publication Date Title
CN108106298B (en) Refrigerator, and defrosting control device and method for refrigerator
CN109323369B (en) Air conditioner and defrosting method and device thereof
CN105650821B (en) Air-conditioner defrosting method
CN109539478B (en) Air conditioner control method and device and air conditioner
CN110332716B (en) Defrosting control method and device for heat pump water heater and heat pump water heater
CN108444034B (en) Anti-freezing control method for indoor unit of air conditioner and air conditioner
CN105674496A (en) Defrosting method for air conditioner
CN103471343B (en) A kind of refrigerator does not freeze the checkout gear of fault
CN108592299B (en) Defrosting control method and system
CN103528340B (en) The intelligent defrosting point of penetration of a kind of wind cooling refrigerator controls device and control method
CN111811198A (en) Defrosting control method and device and electric equipment
CN103940163A (en) Defrosting control method and device
CN105202689B (en) The method and system of compressor target frequency control accuracy after raising air-conditioner defrosting
CN110594960A (en) Air conditioner defrosting control method and device and air conditioner
CN107514746A (en) Defrosting control method, device, air conditioner and computer-readable recording medium
CN111089393A (en) Intelligent defrosting method and device for air cooler and controller
CN104880017A (en) Refrigerator control method and system and refrigerator with same
CN111322812A (en) Control method and control device for intelligently defrosting air-cooled refrigerator and refrigerator
CN107120796B (en) Defrosting control method for air conditioner
CN108151231A (en) Defrosting control method, defrosting control device and air conditioner
CN104764263A (en) Defrosting control method and device of heat pump system
CN113266932A (en) Method and device for controlling defrosting of air conditioner, storage medium and air conditioner
CN106440585B (en) A kind of the intelligent comprehensive defroster and its implementation of net for air-source heat pump units
CN103163879B (en) Detection method for reliability test of refrigerator controller
CN112032941A (en) Control method of air conditioner

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200428