CN111854044A - Self-cleaning method and device of air conditioner, air conditioner and electronic equipment - Google Patents

Self-cleaning method and device of air conditioner, air conditioner and electronic equipment Download PDF

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Publication number
CN111854044A
CN111854044A CN202010724346.1A CN202010724346A CN111854044A CN 111854044 A CN111854044 A CN 111854044A CN 202010724346 A CN202010724346 A CN 202010724346A CN 111854044 A CN111854044 A CN 111854044A
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CN
China
Prior art keywords
air conditioner
indoor
operation time
target
frost
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Pending
Application number
CN202010724346.1A
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Chinese (zh)
Inventor
龚勤勤
罗彬�
李丰
李宁
罗羽钊
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.)
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
Guangdong Midea HVAC Equipment Co Ltd
Original Assignee
Midea Group Co Ltd
GD Midea Heating and Ventilating Equipment Co Ltd
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Priority to CN202010724346.1A priority Critical patent/CN111854044A/en
Publication of CN111854044A publication Critical patent/CN111854044A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a self-cleaning method and device of an air conditioner, the air conditioner and electronic equipment. The self-cleaning method comprises the following steps: responding to a self-cleaning instruction for the air conditioner; acquiring the accumulated operation time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target operation time of the air conditioner in a condensation frost making stage according to the accumulated operation time and the indoor relative humidity; controlling the air conditioner to operate for the target operation duration in the refrigeration and frost-condensation stage; and controlling the air conditioner to enter a defrosting stage. According to the self-cleaning method provided by the embodiment of the invention, the target operation time of the air conditioner in the condensation frost making stage can be obtained according to the accumulated operation time and the indoor relative humidity, so that the obtained target operation time is closer to the actual frosting requirement, and the target operation time of the air conditioner in the condensation frost making stage is controlled, so that the sufficient frosting amount generated in the indoor heat exchanger is ensured, and the indoor heat exchanger is thoroughly cleaned.

Description

Self-cleaning method and device of air conditioner, air conditioner and electronic equipment
Technical Field
The present invention relates to the field of air conditioning technologies, and in particular, to a self-cleaning method and apparatus for an air conditioner, an electronic device, and a computer-readable storage medium.
Background
The air conditioner has a large amount of grime to adhere to on the heat exchanger after long-term use, leads to heat exchanger surface deposition, and then reduces the heat transfer performance of heat exchanger for the energy consumption grow of air conditioner, simultaneously, the grime of heat exchanger still can breed a large amount of bacteriums, brings adverse effect for user's health, consequently, needs regularly to clean the heat exchanger of air conditioner.
Most of the existing self-cleaning methods firstly control the air conditioner to operate in a refrigeration mode, so that condensed water is generated on the outer surface of an indoor heat exchanger to clean dust and dirt.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, an object of the present invention is to provide a self-cleaning method for an air conditioner, which can obtain a target operation duration of the air conditioner in a frost formation stage according to an accumulated operation duration and an indoor relative humidity, so that the obtained target operation duration is closer to an actual frost formation requirement, and control the target operation duration of the air conditioner in the frost formation stage, thereby ensuring that a sufficient amount of frost is generated inside an indoor heat exchanger, so as to thoroughly clean the indoor heat exchanger, and avoiding the problems that the excessive amount of frost is generated inside the indoor heat exchanger, which causes energy waste and damages to the heat exchanger due to an excessively long operation duration of the air conditioner in the frost formation stage.
A second object of the present invention is to provide a self-cleaning apparatus of an air conditioner.
A third object of the present invention is to provide an air conditioner.
A fourth object of the invention is to propose an electronic device.
A fifth object of the present invention is to propose a computer-readable storage medium.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a self-cleaning method for an air conditioner, including: responding to a self-cleaning instruction for the air conditioner; acquiring the accumulated operation time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target operation time of the air conditioner in a condensation frost making stage according to the accumulated operation time and the indoor relative humidity; controlling the air conditioner to operate for the target operation duration in the refrigeration and frost-condensation stage; and controlling the air conditioner to enter a defrosting stage.
According to the self-cleaning method of the air conditioner, the target operation time of the air conditioner in the condensation frost making stage can be obtained according to the accumulated operation time and the indoor relative humidity, the obtained target operation time is closer to the actual frost making requirement, and the target operation time of the air conditioner in the condensation frost making stage is controlled, so that enough frost making quantity in the indoor heat exchanger is ensured to be generated, the indoor heat exchanger is thoroughly cleaned, and the problems that the frost making quantity in the indoor heat exchanger is too large, energy waste is caused, and the heat exchanger is damaged due to the fact that the air conditioner is too long in the operation time in the condensation frost making stage can be solved.
In addition, the self-cleaning method of the air conditioner proposed by the above embodiment of the present invention may further have the following additional technical features:
in an embodiment of the present invention, the obtaining a target operation duration of the air conditioner in a frost making and condensation stage according to the accumulated operation duration and the indoor relative humidity includes: acquiring a first operation time of refrigeration condensate in the refrigeration and frost condensation stage; acquiring a second operation time length of frosting in the refrigeration and frost-condensation stage according to the accumulated operation time length and the indoor relative humidity; and determining the target operation time length according to the first operation time length and the second operation time length.
In one embodiment of the present invention, the controlling the air conditioner to operate in the refrigeration and frost freezing stage for the target operation time period includes: detecting the temperature of an indoor coil, adjusting the operating frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the temperature of the indoor coil, and continuing for the first operating time; and continuously adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve, and continuing for the second operation time.
In one embodiment of the present invention, the controlling the air conditioner to operate in the refrigeration and frost freezing stage for the target operation time period includes: detecting the temperature of the indoor coil; and recognizing that the temperature of the indoor coil is not in a target temperature range, and adjusting the running frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the deviation value of the temperature of the indoor coil and the target temperature range so as to keep the duration of the temperature of the indoor coil in the target temperature range to reach the target running duration.
In an embodiment of the present invention, before the controlling the indoor coil temperature to be within the target temperature range, the method further includes: acquiring indoor ambient temperature and indoor relative humidity; and acquiring the target temperature range according to the indoor environment temperature and the indoor relative humidity.
In an embodiment of the present invention, before obtaining the target operation duration of the air conditioner in the frost making and condensation phase according to the accumulated operation duration and the indoor relative humidity, the method further includes: acquiring an installation area of the air conditioner and/or an operation season of the accumulated operation duration; acquiring a first correction coefficient aiming at the accumulated running time according to the installation area and/or the running season; and correcting the accumulated running time by using the first correction coefficient.
In an embodiment of the present invention, before obtaining the target operation duration of the air conditioner in the frost making and condensation phase according to the accumulated operation duration and the indoor relative humidity, the method further includes: acquiring weather information of the air conditioner during operation after the last self-cleaning is finished; according to the weather information, counting target weather influencing the filth blockage degree of the air conditioner and the number of days of the target weather; acquiring a second correction coefficient aiming at the accumulated running time according to the target weather and the days of the target weather; and correcting the accumulated running time by using the second correction coefficient.
In order to achieve the above object, a second embodiment of the present invention provides a self-cleaning device for an air conditioner, comprising: the response module is used for responding to a self-cleaning instruction aiming at the air conditioner; the acquisition module is used for acquiring the accumulated running time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target running time of the air conditioner in a condensation frost making stage according to the accumulated running time and the indoor relative humidity; and the control module is used for controlling the air conditioner to operate for the target operation duration in the refrigeration and frost condensation stage and controlling the air conditioner to enter a defrosting stage.
The self-cleaning device of the air conditioner provided by the embodiment of the invention can acquire the target operation time of the air conditioner in the condensation frost making stage according to the accumulated operation time and the indoor relative humidity, so that the acquired target operation time is closer to the actual frost forming requirement, and the target operation time of the air conditioner in the condensation frost making stage is controlled, thereby ensuring that enough frost forming amount is generated in the indoor heat exchanger to thoroughly clean the indoor heat exchanger, and avoiding the problems that the frost forming amount generated in the indoor heat exchanger is too large, the energy is wasted and the heat exchanger is damaged due to too long operation time of the air conditioner in the condensation frost making stage.
In addition, the self-cleaning device of the air conditioner according to the above embodiment of the present invention may further have the following additional technical features:
in an embodiment of the present invention, the obtaining module is specifically configured to: acquiring a first operation time of refrigeration condensate in the refrigeration and frost condensation stage; acquiring a second operation time length of frosting in the refrigeration and frost-condensation stage according to the accumulated operation time length and the indoor relative humidity; and determining the target operation time length according to the first operation time length and the second operation time length.
In an embodiment of the present invention, the control module is specifically configured to: detecting the temperature of an indoor coil, adjusting the operating frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the temperature of the indoor coil, and continuing for the first operating time; and continuously adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve, and continuing for the second operation time.
In an embodiment of the present invention, the control module is specifically configured to: detecting the temperature of the indoor coil; and recognizing that the temperature of the indoor coil is not in a target temperature range, and adjusting the running frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the deviation value of the temperature of the indoor coil and the target temperature range so as to keep the duration of the temperature of the indoor coil in the target temperature range to reach the target running duration.
In an embodiment of the present invention, the control module is further configured to: before the temperature of the indoor coil is controlled to be within a target temperature range, the indoor environment temperature and the indoor relative humidity are obtained; and acquiring the target temperature range according to the indoor environment temperature and the indoor relative humidity.
In an embodiment of the present invention, the obtaining module is further configured to: acquiring an installation area of the air conditioner and/or an operation season of the accumulated operation time before the target operation time of the air conditioner in a condensation and frost making stage according to the accumulated operation time and the indoor relative humidity; acquiring a first correction coefficient aiming at the accumulated running time according to the installation area and/or the running season; and correcting the accumulated running time by using the first correction coefficient.
In an embodiment of the present invention, the obtaining module is further configured to: acquiring weather information of the air conditioner during operation after the last self-cleaning is finished before acquiring the target operation time of the air conditioner during the condensation and frost making stage according to the accumulated operation time and the indoor relative humidity; according to the weather information, counting target weather influencing the filth blockage degree of the air conditioner and the number of days of the target weather; acquiring a second correction coefficient aiming at the accumulated running time according to the target weather and the days of the target weather; and correcting the accumulated running time by using the second correction coefficient.
In order to achieve the above object, a third aspect of the present invention provides an air conditioner including the self-cleaning device of the air conditioner according to the second aspect of the present invention.
The air conditioner provided by the embodiment of the invention can acquire the target operation time of the air conditioner in the condensation frost making stage according to the accumulated operation time and the indoor relative humidity, so that the acquired target operation time is closer to the actual frost forming requirement, and the target operation time of the air conditioner in the condensation frost making stage is controlled, thereby ensuring that enough frost forming amount is generated in the indoor heat exchanger, thoroughly cleaning the indoor heat exchanger, and avoiding the problems that the frost forming amount generated in the indoor heat exchanger is too large, energy is wasted and the heat exchanger is damaged due to too long operation time of the air conditioner in the condensation frost making stage.
In order to achieve the above object, a fourth aspect of the present invention provides an electronic device, including a memory, a processor; wherein, the processor executes a program corresponding to the executable program code by reading the executable program code stored in the memory, so as to implement the self-cleaning method of the air conditioner according to the embodiment of the first aspect of the present invention.
According to the electronic equipment provided by the embodiment of the invention, the processor executes the computer program stored on the memory, the target operation time of the air conditioner in the frost formation stage can be obtained according to the accumulated operation time and the indoor relative humidity, so that the obtained target operation time is closer to the actual frost formation requirement, and the target operation time of the air conditioner in the frost formation stage is controlled, so that the sufficient frost formation amount generated in the indoor heat exchanger is ensured, the indoor heat exchanger is thoroughly cleaned, and the problems of energy waste and heat exchanger damage caused by overlarge frost formation amount generated in the indoor heat exchanger due to overlong operation time of the air conditioner in the frost formation stage can be avoided.
To achieve the above object, a fifth embodiment of the present invention provides a computer-readable storage medium storing a computer program, which when executed by a processor, implements the self-cleaning method of the air conditioner according to the first embodiment of the present invention.
The computer readable storage medium of the embodiment of the invention can acquire the target operation time of the air conditioner in the frost formation stage according to the accumulated operation time and the indoor relative humidity by storing a computer program and executing the computer program by the processor, so that the acquired target operation time is closer to the actual frost formation requirement, and the target operation time of the air conditioner in the frost formation stage is controlled, thereby ensuring that enough frost formation amount is generated inside the indoor heat exchanger to thoroughly clean the indoor heat exchanger, and avoiding the problems of energy waste and heat exchanger damage caused by overlarge frost formation amount generated inside the indoor heat exchanger due to overlong operation time of the air conditioner in the frost formation stage.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart illustrating a self-cleaning method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic flow chart illustrating a method for self-cleaning an air conditioner according to an embodiment of the present invention to obtain a target operation duration of the air conditioner during a frost making and condensation stage;
fig. 3 is a flowchart illustrating a method for self-cleaning an air conditioner according to an embodiment of the present invention, in which the air conditioner is controlled to operate for a target operation time period in a frost making and condensation stage;
fig. 4 is a flowchart illustrating a method for self-cleaning an air conditioner according to another embodiment of the present invention, wherein the method comprises controlling an air conditioner to operate for a target operation time period during a frost making and condensation stage;
fig. 5 is a schematic flowchart illustrating a self-cleaning method of an air conditioner according to an embodiment of the present invention before controlling an indoor coil temperature within a target temperature range;
FIG. 6 is a schematic flow chart illustrating a method for self-cleaning an air conditioner according to an embodiment of the present invention before a target operation duration of the air conditioner in a frost making and condensation stage is obtained;
FIG. 7 is a schematic flow chart illustrating a method for self-cleaning an air conditioner according to another embodiment of the present invention before a target operation duration of the air conditioner in a frost making and condensation stage is obtained;
fig. 8 is a block schematic view of a self-cleaning apparatus of an air conditioner according to an embodiment of the present invention;
FIG. 9 is a block schematic diagram of an air conditioner according to one embodiment of the present invention; and
FIG. 10 is a block diagram of an electronic device according to one embodiment of the invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A self-cleaning method and apparatus of an air conditioner, an electronic device, and a computer-readable storage medium according to embodiments of the present invention are described below with reference to the accompanying drawings.
Fig. 1 is a flowchart illustrating a self-cleaning method of an air conditioner according to an embodiment of the present invention.
As shown in fig. 1, the self-cleaning method of an air conditioner according to an embodiment of the present invention includes the following steps:
and S101, responding to a self-cleaning instruction for the air conditioner.
It should be noted that the air conditioner in the embodiment of the present invention has a self-cleaning function, and may control itself to enter the self-cleaning mode in response to a self-cleaning command for itself. Optionally, the user may send the self-cleaning instruction to the air conditioner through a remote controller, an air conditioner APP (Application program) in the mobile terminal, or an operation panel on the body of the air conditioner in a non-contact manner such as a language, a gesture, or the like.
S102, acquiring the accumulated running time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target running time of the air conditioner in the condensation frost making stage according to the accumulated running time and the indoor relative humidity.
In an embodiment of the present invention, the self-cleaning mode includes a refrigeration and frost condensation stage, and the refrigeration and frost condensation stage is operated in the refrigeration mode to wrap the dust and dirt inside the indoor heat exchanger in the frost, so as to achieve an effect of cleaning the indoor heat exchanger.
It can be understood that the accumulated operation time length can reflect the filth blockage degree of the indoor heat exchanger, the longer the accumulated operation time length is, the higher the filth blockage degree of the indoor heat exchanger is, the more the frost formation amount is required, and in order to ensure that the indoor heat exchanger generates enough frost formation amount, the target operation time length of the air conditioner in the condensation and frost formation stage can be increased. In addition, the higher the indoor relative humidity is, the higher the frosting speed of the indoor heat exchanger is, and in order to avoid the heat exchanger being damaged due to excessive frosting amount, the target operation time of the air conditioner in the condensation and frost making stage can be reduced.
From the above analysis, it can be known that the target operation time of the air conditioner in the frost making and condensation stage is positively correlated with the accumulated operation time, and the target operation time of the air conditioner in the frost making and condensation stage is negatively correlated with the indoor relative humidity.
Therefore, the method can comprehensively consider the influence of the accumulated operation time and the indoor relative humidity on the target operation time, and different accumulated operation times and indoor relative humidity can correspond to different target operation times, so that the obtained target operation time is closer to the actual frosting requirement and is more flexible and accurate.
Optionally, a mapping relation or a mapping table between the accumulated operating time and the indoor relative humidity and the target operating time may be pre-established, and after the accumulated operating time and the indoor relative humidity are obtained, the mapping relation or the mapping table is queried, so that the target operating time required by the air conditioner in the frost making and condensation stage at this time can be determined. It should be noted that the mapping relationship and the mapping table may be calibrated according to actual situations and preset in the storage space of the air conditioner.
Optionally, a timer may be installed inside the air conditioner to obtain the accumulated operating time, and a humidity sensor may be installed on an indoor unit of the air conditioner to obtain the indoor relative humidity.
And S103, controlling the air conditioner to operate for a target operation time in a frost making and condensing stage.
It can be understood that if the operation time of the air conditioner in the frost making and condensation stage does not reach the target operation time, it indicates that the operation time of the air conditioner in the frost making and condensation stage is shorter, the frost formation amount generated by the indoor heat exchanger is less, and the indoor heat exchanger cannot be thoroughly cleaned, and at this time, it can be determined that the frost formation stage is not ended, that is, the air conditioner is controlled to be continuously in the frost formation stage; if the operation time of the air conditioner in the condensation and frost making stage reaches the target operation time, the operation time of the air conditioner in the condensation and frost making stage is longer, the frost formation amount generated by the indoor heat exchanger is more, the indoor heat exchanger can be thoroughly cleaned, and the frost formation stage can be judged to be finished.
And S104, controlling the air conditioner to enter a defrosting stage.
In an embodiment of the invention, after the air conditioner is controlled to operate for a target operation time in a condensation and frost making stage, the air conditioner can be controlled to enter a defrosting stage, frost on the outer surface of the indoor heat exchanger is liquefied through operation of the defrosting stage, and originally wrapped dust and dirt can be washed away by generated condensed water, so that the dust and dirt on the indoor heat exchanger can be further cleaned.
In summary, according to the self-cleaning method of the air conditioner in the embodiment of the present invention, the target operation duration of the air conditioner in the frost making stage can be obtained according to the accumulated operation duration and the indoor relative humidity, so that the obtained target operation duration is closer to the actual frost forming requirement, and the target operation duration of the air conditioner in the frost making stage is controlled, so as to ensure that sufficient frost forming amount is generated inside the indoor heat exchanger, so as to thoroughly clean the indoor heat exchanger, and further avoid the problems that the frost forming amount generated inside the indoor heat exchanger is too large, so that energy waste is caused, and the heat exchanger is damaged due to too long operation duration of the air conditioner in the frost making stage.
On the basis of the foregoing embodiment, the obtaining the target operation duration of the air conditioner in the frost making and condensing stage according to the accumulated operation duration and the indoor relative humidity in step S102, as shown in fig. 2, may include:
s201, acquiring a first operation time of refrigeration condensed water in a refrigeration and frost condensation stage.
It will be appreciated that the refrigeration frost stage may include refrigeration condensation and frosting. The refrigeration condensate refers to air which is liquefied when meeting cold and generates condensate water on the outer surface of the indoor heat exchanger, and the frosting refers to the fact that water remaining in the indoor heat exchanger meets cold and frosts so as to wrap dust and dirt in the indoor heat exchanger in the frosting.
Optionally, the first operation time period may be calibrated according to actual conditions, for example, may be calibrated to be 15 minutes.
And S202, acquiring second running time of frosting in the refrigeration and frost-condensation stage according to the accumulated running time and the indoor relative humidity.
For example, according to the accumulated operation time and the indoor relative humidity, a correlation formula for obtaining the second operation time of frosting in the refrigeration frost formation stage is as follows:
S2＝S0+k1*(S1-A)-k2*(φ％-B％)
wherein S is2For the second operating duration, S1For the accumulated running time, [ phi ] is the indoor relative humidity, S0Is a reference value of the second operation time period, A is a reference value of the accumulated operation time period, B% is a reference value of the indoor relative humidity, k1、k2Are all correction coefficients.
Optionally, parameter S0、A、B、k1、k2Can be calibrated according to the actual conditions, e.g. S0May be designated 10 minutes, A may be designated 90 days, B may be designated 50, k1Can be calibrated to be 0.05, k2And may be scaled to 5.
S203, determining a target operation time length according to the first operation time length and the second operation time length.
Alternatively, the sum of the first operation time period and the second operation time period may be used as the target operation time period.
Therefore, the method can respectively obtain the first operation time and the second operation time corresponding to the refrigeration condensation and frosting in the refrigeration and frost condensation stage, and the target operation time is determined according to the first operation time and the second operation time.
On the basis of the above embodiment, controlling the air conditioner to operate for the target operation time period in the frost making and condensing stage in step S103, as shown in fig. 3, may include:
s301, detecting the temperature of the indoor coil, adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve according to the temperature of the indoor coil, and continuing for a first operation time.
It will be appreciated that the refrigeration frost stage may include refrigeration condensation and frosting.
When the air conditioner is in a refrigerating and water condensing process, the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve can be adjusted according to the temperature of the indoor coil, so that the temperature of the indoor coil is reduced to a first preset range and lasts for a first operation time. The first preset range can be calibrated according to actual conditions, for example, the first preset range can be calibrated to (-5-0) DEG C.
Alternatively, a temperature sensor may be installed on a wall of the indoor coil of the air conditioner to detect the temperature of the indoor coil of the air conditioner.
And S302, continuously adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve, and continuing for a second operation time.
It can be understood that after the first operation duration is continued, the air conditioner enters the frosting process, and the operation frequency of the compressor and/or the rotation speed of the indoor fan and/or the opening degree of the electronic expansion valve can be continuously adjusted according to the indoor coil temperature, so that the indoor coil temperature is reduced to the second preset range and continues for the second operation duration. The second predetermined range can be calibrated according to actual conditions, for example, can be calibrated to (-20 to-10) DEG C.
Optionally, when the air conditioner is in a refrigeration condensation and frosting process, the temperature of the indoor coil is in negative correlation with the operating frequency of the compressor, the temperature of the indoor coil is in positive correlation with the rotating speed of the indoor fan, and the temperature of the indoor coil is in positive correlation with the opening degree of the electronic expansion valve. When the temperature of the indoor coil is higher, the running frequency of the compressor can be increased, and/or the rotating speed of the indoor fan can be reduced, and/or the opening degree of the electronic expansion valve can be reduced, so that the temperature of the indoor coil can be reduced; when the temperature of the indoor coil is lower, the running frequency of the compressor can be reduced, and/or the rotating speed of the indoor fan can be increased, and/or the opening degree of the electronic expansion valve can be increased, so that the temperature of the indoor coil can be increased.
Therefore, the method can adjust the running frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve according to the temperature of the indoor coil, so that the temperature of the indoor coil meets the requirements of producing condensed water and frosting, and the sufficient amount of condensed water and frosting generated inside the indoor heat exchanger is ensured, and the indoor heat exchanger is thoroughly cleaned.
On the basis of the above embodiment, controlling the air conditioner to operate for the target operation time period in the frost making and condensing stage in step S103, as shown in fig. 4, may include:
s401, detecting the temperature of the indoor coil.
S402, recognizing that the temperature of the indoor coil is not in the target temperature range, adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve according to the deviation value of the temperature of the indoor coil and the target temperature range so as to keep the duration of the temperature of the indoor coil in the target temperature range to reach the target operation duration.
Wherein, the target temperature range can be calibrated according to the actual situation, for example, can be calibrated to (-20 to-10) DEG C.
The deviation value between the indoor coil temperature and the target temperature range may be the minimum value of the deviation values between the upper end point and the lower end point of the indoor coil temperature and the target temperature range. For example, if the target temperature range is (-20 to-10) deg.C and the indoor coil temperature is-5 deg.C, the deviation is 5 deg.C, and if the indoor coil temperature is-21 deg.C, the deviation is 1 deg.C.
Optionally, a mapping relation or a mapping table between the deviation value and the operating frequency of the compressor, the rotating speed of the indoor fan, and the opening degree of the electronic expansion valve may be pre-established, and after the deviation value is obtained, the mapping relation or the mapping table is queried, so that the operating frequency required by the compressor, the rotating speed required by the indoor fan, and the opening degree required by the electronic expansion valve at that time can be determined, and the mapping relation or the mapping table is used for adjusting the operating frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic. It should be noted that the mapping relationship and the mapping table may be calibrated according to actual situations and preset in the storage space of the air conditioner.
Therefore, the method ensures that the indoor heat exchanger has enough time to frost in the state that the temperature of the coil is in the target temperature range by keeping the duration time that the temperature of the indoor coil is in the target temperature range to reach the target operation duration time, so that the frost formation amount of the indoor heat exchanger generated in the condensation frost preparation stage is increased, and the cleaning effect of the indoor heat exchanger is enhanced.
Optionally, before controlling the indoor coil temperature to be within the target temperature range in step S402, as shown in fig. 5, the method may include:
s501, acquiring indoor ambient temperature and indoor relative humidity.
Alternatively, the indoor ambient temperature may be obtained by installing a temperature sensor on an indoor unit of the air conditioner.
S502, acquiring a target temperature range according to the indoor environment temperature and the indoor relative humidity.
In an embodiment of the present invention, the refrigeration and frost-formation stage includes refrigeration condensation and frost formation, when the air conditioner is in the refrigeration and condensation process, the actually generated amount of condensation water is positively correlated with the dew point temperature, and the dew point temperature is positively correlated with the indoor environment temperature and the indoor relative humidity, respectively, so that the amount of condensation water is known to be positively correlated with the indoor environment temperature and the indoor relative humidity, respectively. And the more the indoor heat exchanger generates the condensate water amount in the condensate water making process, the more the indoor heat exchanger generates the frost formation amount in the frost formation process, namely, the frost formation amount is positively correlated with the condensate water amount, and the frost formation amount is positively correlated with the indoor environment temperature and the indoor relative humidity respectively by combining the condensate water amount, so that the frost formation amount is positively correlated with the indoor environment temperature and the indoor relative humidity respectively.
Further, the amount of frost formation is also inversely related to the temperature of the indoor coil, and the lower the temperature of the indoor coil, the higher the degree of frost formation of air or water in the indoor heat exchanger upon exposure to cold, and the greater the amount of frost formation produced by the indoor heat exchanger.
As can be seen from the above analysis, when the indoor ambient temperature and/or the indoor relative humidity is/are low, the amount of frost generated by the indoor heat exchanger is small, and the target temperature range can be reduced in order to ensure that the indoor heat exchanger generates a sufficient amount of frost; when the indoor ambient temperature and/or the indoor relative humidity are/is high, the frost formation amount generated by the indoor heat exchanger is large, and the target temperature range can be increased in order to avoid damaging the heat exchanger due to excessive frost formation amount. The target temperature range is respectively positively correlated with the indoor environment temperature and the indoor relative humidity, so that the sufficient frosting amount generated inside the indoor heat exchanger can be ensured, the indoor heat exchanger can be thoroughly cleaned, and the problems of energy waste and heat exchanger damage caused by excessive frosting amount generated inside the air conditioner can be solved.
For example, according to the indoor ambient temperature and the indoor relative humidity, the correlation formula for obtaining the target temperature range is as follows:
T2＝T0+k3*(T1-C)+k4*(φ％-D％)
wherein, T2Is the target frost temperature, T1Is the indoor ambient temperature, [ phi ] is the indoor relative humidity, T0Is a reference value of the target frost temperature, C is a reference value of the indoor ambient temperature, D% is a reference value of the indoor relative humidity, k3、k4Are all correction coefficients.
Optionally, parameter T0、C、D、k3、k4Can be calibrated according to the actual conditions, e.g. T0May be designated as-15 deg.C, C may be designated as 20 deg.C, D may be designated as 60, k3Can be scaled to 0.2, k4And may be scaled to 5.
The target temperature range may be (T)2-E，T2+ E) deg.C, where E may be calibrated as practical, E may be calibrated to 5, for example.
Therefore, the method can comprehensively consider the influence of the indoor environment temperature and the indoor relative humidity on the target temperature range, and different indoor environment temperatures and indoor relative humidities can correspond to different target temperature ranges, so that the obtained target temperature range is closer to the actual frost condensation requirement and is more flexible and accurate.
On the basis of the foregoing embodiment, the step S102 of obtaining the target operation duration of the air conditioner in the frost making and condensing stage according to the accumulated operation duration and the indoor relative humidity may include, as shown in fig. 6:
s601, acquiring an installation area of the air conditioner and/or an operation season where the accumulated operation time is located.
The installation area of the air conditioner may include provinces, cities, etc. where the installation site is located.
Optionally, the installation area of the air conditioner and/or the operating season in which the accumulated operating time is located may be obtained through a wireless network device.
S602, acquiring a first correction coefficient aiming at the accumulated running time according to the installation area and/or the running season.
It can be understood that the installation area of the air conditioner and the operation season of the accumulated operation time all affect the filth blockage degree of the air conditioner. For example, if the air quality of the installation area is poor or the operating season is winter, the air conditioner is easily dirty.
In one embodiment of the present invention, the first correction coefficient for the accumulated operating time period may be acquired only according to the installation area, or only according to the operating season, or may be acquired according to the installation area and the operating season.
Taking the example of obtaining the first correction coefficient according to the installation area and the operating season, a mapping relation or a mapping table between the installation area, the operating season and the first correction coefficient may be established in advance, and after the installation area and the operating season are obtained, the mapping relation or the mapping table is queried, so that the corresponding first correction coefficient can be determined. It should be noted that the mapping relationship and the mapping table may be calibrated according to actual situations and preset in the storage space of the air conditioner.
And S603, correcting the accumulated running time by using the first correction coefficient.
Optionally, the correcting the accumulated operating time by using the first correction coefficient may include taking a product of the current accumulated operating time and the first correction coefficient as a final accumulated operating time, where the final accumulated operating time is used to obtain a target operating time of the air conditioner in the frost making and condensation stage.
For example, if the air quality in the installation area of the air conditioner is poor, the air conditioner is easy to be dirty and blocked, and at the moment, the accumulated operation time can be corrected to be longer, so that the target operation time of the air conditioner in the condensation and frost making stage is prolonged; if the air quality in the installation area of the air conditioner is good, the air conditioner is less prone to being dirty and blocked, the accumulated running time can be corrected to be shorter, and the target running time of the air conditioner in the condensation and frost making stage is further shortened.
Or, if the operating season in which the accumulated operating time is located is winter, and the air quality in winter is poor in general, the air conditioner is easy to be dirty and blocked, at the moment, the accumulated operating time can be corrected to be longer, and the target operating time of the air conditioner in the condensation and frost making stage is further prolonged; if the operation season in which the accumulated operation time is located is summer, and the air quality in summer is good in general conditions, the air conditioner is less prone to being dirty and blocked, the accumulated operation time can be corrected to be shorter, and the target operation time of the air conditioner in the condensation frost making stage is further shortened.
Therefore, the method can obtain the first correction coefficient according to the installation area and/or the operating season, correct the accumulated operating time, take the influence of the installation area and/or the operating season on the accumulated operating time into consideration, and further obtain the target operating time of the air conditioner in the stage of producing condensed frost according to the corrected accumulated operating time, so that the target operating time is more consistent with the installation area and/or the operating season of the air conditioner.
On the basis of the foregoing embodiment, the step S102 may further include, before the obtaining of the target operation duration of the air conditioner in the frost making and condensation stage according to the accumulated operation duration and the indoor relative humidity, as shown in fig. 7:
s701, acquiring weather information of the air conditioner during operation after the last self-cleaning is finished.
Optionally, the weather information of the air conditioner during operation may be acquired through a wireless network device.
And S702, counting the target weather which influences the filth blockage degree of the air conditioner and the number of days of the target weather according to the weather information.
It is understood that the weather affects the degree of filth blockage of the air conditioner. For example, in the weather of strong wind, rain, snow, haze, sand storm, etc., the particulate matters in the air are more, the air conditioner is easier to deposit dust, and the degree of filth blockage of the air conditioner is higher.
The target weather can be calibrated according to actual conditions and is preset in a storage space of the air conditioner. For example, the target weather may be rated as strong wind, rain, snow, haze, sand storm, and the like.
And S703, acquiring a second correction coefficient aiming at the accumulated running time according to the target weather and the days of the target weather.
Optionally, a mapping relation or a mapping table between the target weather and the number of days of the target weather and the second correction coefficient may be pre-established, and after the number of days of the target weather and the number of days of the target weather are obtained, the mapping relation or the mapping table is queried, so that the corresponding second correction coefficient can be determined. It should be noted that the mapping relationship and the mapping table may be calibrated according to actual situations and preset in the storage space of the air conditioner.
And S704, correcting the accumulated running time by using the second correction coefficient.
Optionally, the correcting the accumulated operating time by using the second correction coefficient may include taking a product of the current accumulated operating time and the second correction coefficient as a final accumulated operating time, where the final accumulated operating time is used to obtain a target operating time of the air conditioner in the frost making and condensation stage.
Therefore, the method can obtain the second correction coefficient according to the target weather and the number of days of the target weather, correct the accumulated running time, take the influence of the number of days of the target weather and the target weather on the accumulated running time into consideration, and further obtain the target running time of the air conditioner in the stage of condensing frost according to the corrected accumulated running time, so that the target running time is more consistent with the number of days of the target weather and the target weather.
Fig. 8 is a block diagram illustrating a self-cleaning apparatus of an air conditioner according to an embodiment of the present invention.
As shown in fig. 8, a self-cleaning apparatus 100 of an air conditioner according to an embodiment of the present invention includes: the device comprises a response module 11, an acquisition module 12 and a control module 13.
The response module 11 is used for responding to a self-cleaning instruction for the air conditioner.
The obtaining module 12 is configured to obtain an accumulated operating time and an indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and obtain a target operating time of the air conditioner in a frost making and condensation stage according to the accumulated operating time and the indoor relative humidity.
The control module 13 is configured to control the air conditioner to operate for the target operation duration in the refrigeration and frost condensation stage, and control the air conditioner to enter a defrosting stage.
In an embodiment of the present invention, the obtaining module 12 is specifically configured to obtain a first operation duration of the refrigeration condensate in the refrigeration frost forming stage; acquiring a second operation time length of frosting in the refrigeration and frost-condensation stage according to the accumulated operation time length and the indoor relative humidity; and determining the target operation time length according to the first operation time length and the second operation time length.
In an embodiment of the present invention, the control module 13 is specifically configured to detect an indoor coil temperature, adjust an operating frequency of a compressor and/or a rotational speed of an indoor fan and/or an opening degree of an electronic expansion valve according to the indoor coil temperature, and continue for the first operating duration; and continuously adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve, and continuing for the second operation time.
In an embodiment of the present invention, the control module 13 is specifically configured to detect an indoor coil temperature; and recognizing that the temperature of the indoor coil is not in a target temperature range, and adjusting the running frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the deviation value of the temperature of the indoor coil and the target temperature range so as to keep the duration of the temperature of the indoor coil in the target temperature range to reach the target running duration.
In an embodiment of the present invention, the control module 13 is further configured to obtain an indoor ambient temperature and an indoor relative humidity before the indoor coil temperature is controlled to be within a target temperature range; and acquiring the target temperature range according to the indoor environment temperature and the indoor relative humidity.
In an embodiment of the present invention, the obtaining module 12 is further configured to obtain, according to the accumulated operating time and the indoor relative humidity, an installation area of the air conditioner and/or an operating season in which the accumulated operating time is located before a target operating time of the air conditioner in a frost making and condensing stage; acquiring a first correction coefficient aiming at the accumulated running time according to the installation area and/or the running season; and correcting the accumulated running time by using the first correction coefficient.
In an embodiment of the present invention, the obtaining module 12 is further configured to obtain, according to the accumulated operating time and the indoor relative humidity, weather information of the air conditioner during operation after the last self-cleaning is finished before obtaining a target operating time of the air conditioner during a frost making and condensation stage; according to the weather information, counting target weather influencing the filth blockage degree of the air conditioner and the number of days of the target weather; acquiring a second correction coefficient aiming at the accumulated running time according to the target weather and the days of the target weather; and correcting the accumulated running time by using the second correction coefficient.
It should be noted that, for details not disclosed in the self-cleaning device of the air conditioner in the embodiment of the present invention, please refer to details disclosed in the self-cleaning method of the air conditioner in the above embodiment of the present invention, which are not described herein again.
To sum up, the self-cleaning device of the air conditioner according to the embodiment of the invention can obtain the target operation duration of the air conditioner in the condensation frost making stage according to the accumulated operation duration and the indoor relative humidity, so that the obtained target operation duration is closer to the actual frost making requirement, and the target operation duration of the air conditioner in the condensation frost making stage is controlled, thereby ensuring that enough frost forming amount is generated inside the indoor heat exchanger to thoroughly clean the indoor heat exchanger, and avoiding the problems that the frost forming amount generated inside the indoor heat exchanger is too large, energy waste is caused, and the heat exchanger is damaged due to too long operation duration of the air conditioner in the condensation frost making stage.
In order to implement the above embodiment, the present invention further provides an air conditioner 200, as shown in fig. 9, including the self-cleaning device 100 of the air conditioner.
The air conditioner provided by the embodiment of the invention can acquire the target operation time of the air conditioner in the condensation frost making stage according to the accumulated operation time and the indoor relative humidity, so that the acquired target operation time is closer to the actual frost forming requirement, and the target operation time of the air conditioner in the condensation frost making stage is controlled, thereby ensuring that enough frost forming amount is generated in the indoor heat exchanger, thoroughly cleaning the indoor heat exchanger, and avoiding the problems that the frost forming amount generated in the indoor heat exchanger is too large, energy is wasted and the heat exchanger is damaged due to too long operation time of the air conditioner in the condensation frost making stage.
In order to implement the above embodiments, the present invention further provides an electronic device 300, as shown in fig. 10, where the electronic device 300 includes a memory 31 and a processor 32. The processor 32 reads the executable program code stored in the memory 31 to run a program corresponding to the executable program code, so as to implement the self-cleaning method of the air conditioner.
According to the electronic equipment provided by the embodiment of the invention, the processor executes the computer program stored on the memory, the target operation time of the air conditioner in the frost formation stage can be obtained according to the accumulated operation time and the indoor relative humidity, so that the obtained target operation time is closer to the actual frost formation requirement, and the target operation time of the air conditioner in the frost formation stage is controlled, so that the sufficient frost formation amount generated in the indoor heat exchanger is ensured, the indoor heat exchanger is thoroughly cleaned, and the problems of energy waste and heat exchanger damage caused by overlarge frost formation amount generated in the indoor heat exchanger due to overlong operation time of the air conditioner in the frost formation stage can be avoided.
In order to implement the above embodiments, the present invention further provides a computer-readable storage medium storing a computer program, which when executed by a processor, implements the self-cleaning method of the air conditioner.
The computer readable storage medium of the embodiment of the invention can acquire the target operation time of the air conditioner in the frost formation stage according to the accumulated operation time and the indoor relative humidity by storing a computer program and executing the computer program by the processor, so that the acquired target operation time is closer to the actual frost formation requirement, and the target operation time of the air conditioner in the frost formation stage is controlled, thereby ensuring that enough frost formation amount is generated inside the indoor heat exchanger to thoroughly clean the indoor heat exchanger, and avoiding the problems of energy waste and heat exchanger damage caused by overlarge frost formation amount generated inside the indoor heat exchanger due to overlong operation time of the air conditioner in the frost formation stage.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
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 are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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 (11)

1. A self-cleaning method of an air conditioner, comprising:
responding to a self-cleaning instruction for the air conditioner;
acquiring the accumulated operation time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target operation time of the air conditioner in a condensation frost making stage according to the accumulated operation time and the indoor relative humidity;
controlling the air conditioner to operate for the target operation duration in the refrigeration and frost-condensation stage;
and controlling the air conditioner to enter a defrosting stage.
2. The method as claimed in claim 1, wherein the obtaining the target operation time period of the air conditioner in the condensed frost making stage according to the accumulated operation time period and the indoor relative humidity comprises:
acquiring a first operation time of refrigeration condensate in the refrigeration and frost condensation stage;
acquiring a second operation time length of frosting in the refrigeration and frost-condensation stage according to the accumulated operation time length and the indoor relative humidity;
and determining the target operation time length according to the first operation time length and the second operation time length.
3. The method of claim 2, wherein the controlling the air conditioner to operate in the refrigeration frost phase for the target operation time period comprises:
detecting the temperature of an indoor coil, adjusting the operating frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the temperature of the indoor coil, and continuing for the first operating time;
and continuously adjusting the operation frequency of the compressor and/or the rotating speed of the indoor fan and/or the opening degree of the electronic expansion valve, and continuing for the second operation time.
4. The method of claim 1, wherein the controlling the air conditioner to operate in the refrigeration frost phase for the target operation time period comprises:
detecting the temperature of the indoor coil;
and recognizing that the temperature of the indoor coil is not in a target temperature range, and adjusting the running frequency of a compressor and/or the rotating speed of an indoor fan and/or the opening degree of an electronic expansion valve according to the deviation value of the temperature of the indoor coil and the target temperature range so as to keep the duration of the temperature of the indoor coil in the target temperature range to reach the target running duration.
5. The method of claim 4, wherein before controlling the indoor coil temperature to be within the target temperature range, further comprising:
acquiring indoor ambient temperature and indoor relative humidity;
and acquiring the target temperature range according to the indoor environment temperature and the indoor relative humidity.
6. The method according to any one of claims 1 to 5, wherein the obtaining the target operation time of the air conditioner in the frost making and condensing stage according to the accumulated operation time and the indoor relative humidity further comprises:
acquiring an installation area of the air conditioner and/or an operation season of the accumulated operation duration;
acquiring a first correction coefficient aiming at the accumulated running time according to the installation area and/or the running season;
and correcting the accumulated running time by using the first correction coefficient.
7. The method according to any one of claims 1 to 5, wherein the obtaining the target operation time of the air conditioner in the frost making and condensing stage according to the accumulated operation time and the indoor relative humidity further comprises:
acquiring weather information of the air conditioner during operation after the last self-cleaning is finished;
according to the weather information, counting target weather influencing the filth blockage degree of the air conditioner and the number of days of the target weather;
acquiring a second correction coefficient aiming at the accumulated running time according to the target weather and the days of the target weather;
and correcting the accumulated running time by using the second correction coefficient.
8. A self-cleaning apparatus of an air conditioner, comprising:
the response module is used for responding to a self-cleaning instruction aiming at the air conditioner;
the acquisition module is used for acquiring the accumulated running time and the indoor relative humidity of the air conditioner after the last self-cleaning of the air conditioner is finished, and acquiring the target running time of the air conditioner in a condensation frost making stage according to the accumulated running time and the indoor relative humidity;
and the control module is used for controlling the air conditioner to operate for the target operation duration in the refrigeration and frost condensation stage and controlling the air conditioner to enter a defrosting stage.
9. An air conditioner characterized by comprising the self-cleaning device of the air conditioner as claimed in claim 8.
10. An electronic device, comprising: memory, processor and computer program stored on the memory and executable on the processor, which when executed by the processor implements the self-cleaning method of an air conditioner as claimed in any one of claims 1 to 7.
11. A computer-readable storage medium on which a computer program is stored, wherein the program, when executed by a processor, implements the self-cleaning method of an air conditioner according to any one of claims 1 to 7.
CN202010724346.1A 2020-07-24 2020-07-24 Self-cleaning method and device of air conditioner, air conditioner and electronic equipment Pending CN111854044A (en)

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CN114110962A (en) * 2021-11-11 2022-03-01 珠海格力节能环保制冷技术研究中心有限公司 Control method of air conditioner and air conditioner
WO2023082636A1 (en) * 2021-11-12 2023-05-19 青岛海尔空调器有限总公司 Method and apparatus for self-cleaning of air conditioner, and air conditioner

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Application publication date: 20201030