CN106871390B - Dust removal control method, dust removal control device and air conditioner - Google Patents
Dust removal control method, dust removal control device and air conditioner Download PDFInfo
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- CN106871390B CN106871390B CN201710271317.2A CN201710271317A CN106871390B CN 106871390 B CN106871390 B CN 106871390B CN 201710271317 A CN201710271317 A CN 201710271317A CN 106871390 B CN106871390 B CN 106871390B
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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
- F24F11/62—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
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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
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F24F11/62—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
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- 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
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Abstract
The invention provides an operation control method, an operation control device and an air conditioner, wherein the operation control method is suitable for an outdoor fan assembly of the air conditioner and comprises the following steps: determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; and in any dedusting period, controlling the outdoor fan assembly to reversely operate. According to the technical scheme, on one hand, the possibility of incomplete dust removal caused by too short dust removal period is reduced, on the other hand, the possibility of too high power consumption caused by too long dust removal period is also reduced, high-efficiency dust removal is automatically carried out on the outdoor fan assembly under the condition that the air conditioner is normally used, the operation efficiency of the outdoor heat exchanger is optimized, and the economic cost and the time cost of manual dust removal are reduced.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an operation control method, an operation control device and an air conditioner.
Background
An outdoor unit of an air conditioner is generally in an outdoor environment with poor air quality, and long-time use of the air conditioner easily causes a large amount of dust to be accumulated on an outdoor heat exchanger, so that the heat exchange efficiency of the outdoor heat exchanger is affected.
In the related art, the following technical defects exist in the process of adopting manual dust removal or controlling an air conditioner to stop working for fan reverse dust removal for a fixed time length:
(1) manual dust removal can generate higher manual maintenance cost;
(2) for the air conditioner comprising only a single outdoor fan, when the outdoor fan of the air conditioner performs reversal dust removal, the air conditioner cannot perform normal operation such as heating or refrigeration, and the use experience of a user is influenced;
(3) the preset fixed time duration of the fan reversal dust removal is not suitable for changes of air environments, for example, the dust index data shows that the PM index is lower than 50, at the moment, dust particles are few and are not easy to accumulate, and frequent dust removal is not needed, and when the dust index data shows that the PM index is higher than 300, at the moment, dust particles are many and are easy to accumulate, and frequent dust removal is needed, namely, the set fixed time duration not only affects the normal operation of the air conditioner, but also causes unnecessary power loss.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, it is an object of the present invention to provide an operation control method.
Another object of the present invention is to provide an operation control device.
It is still another object of the present invention to provide an air conditioner.
In order to achieve the above object, a first aspect of the present invention provides an operation control method for an outdoor fan assembly of an air conditioner, the operation control method including: determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; and in any dedusting period, controlling the outdoor fan assembly to reversely operate.
In the technical scheme, the corresponding dust removal period is determined through the working condition environment record and the operation parameter record of the outdoor fan assembly in the power-on state, and the proper dust removal period is given according to different working condition environments and operation parameters of the outdoor fan assembly.
The dust removal period can be an operation period of a one-time dust removal mode or an operation period of a multiple continuous dust removal mode, and the operation period mainly comprises an initial time, an operation duration and the like.
In addition, the working condition environment record includes at least one of dust index data, temperature data and humidity data, for example, when the dust index data shows that the PM index is lower than 50, at this time, dust particles are few and are not easy to accumulate, and dust removal is not required to be frequently performed, so that the dust removal period is prolonged, that is, the dust removal frequency is reduced in unit time, and when the dust index data shows that the PM index is higher than 300, at this time, dust particles are many and are easy to accumulate, and dust removal is required to be frequently performed, so that the dust removal period is shortened, that is, the dust removal frequency is increased in unit time, that is, unnecessary power loss of the air conditioner is reduced while the dust removal requirement is.
And the operation parameter records comprise data logs of operation modes (such as a heating mode, a cooling mode, a defrosting mode, a dehumidifying mode, an oil return mode and the like), operation time, abnormal faults and the like of the air conditioner.
In the above technical solution, preferably, the determining a corresponding dust removal period according to the working condition environment record and the operation parameter record specifically includes: determining corresponding preset power-on time according to the working condition environment parameters; analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the specified working mode; and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining a dust removal period according to the running time in the specified working mode.
In the technical scheme, the corresponding preset electrifying time length is determined according to the working condition environment parameters, when the working condition environment is poor, the preset electrifying time length is shorter, the dust removal frequency is higher, when the working condition environment is better, the preset electrifying time length is longer, and the dust removal frequency is lower, so that on one hand, the possibility that the normal operation of the air conditioner is influenced due to excessive accumulation of dust and other attachments on an outdoor fan assembly of the air conditioner can be reduced, on the other hand, the possibility that the power consumption of the air conditioner is increased due to the excessive dust removal can be reduced, the accumulated electrifying time length in an electrifying state and the operation time in a specified working mode are determined by analyzing the operation parameter records, the dust removal time can be further accurately determined, the dust removal efficiency is improved, and the dust removal period is determined according to the operation time in the specified working mode when, the determination of the dust removal period is combined with the operation time of the air conditioner in different working modes, so that the dust removal period can be further optimized, the dust removal efficiency is improved, and the dust removal power consumption is reduced.
In any of the above technical solutions, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining a dust removal period according to a running time in a specified working mode specifically includes: determining corresponding preset standby time and preset dust removal time according to working condition environment parameters; when the designated working mode is the standby mode, determining the standby time in the standby mode according to the running parameter record; and determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of a dust removal period, wherein the dust removal period comprises the starting moment and the preset dust removal time length.
In the technical scheme, the corresponding preset standby time and the preset dust removal time are determined according to the working condition environment parameters, the setting of the standby time and the dust removal time is pointed, the working condition environment and the standby working mode of the air conditioner are combined, the reasonability of the setting of the standby time and the dust removal time is improved, and the dust removal efficiency is improved.
In any of the above technical solutions, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining a dust removal period according to a running time in a specified working mode, further includes: when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record; and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear as the starting moment of the dust removal period.
In the technical scheme, when the designated working mode is the refrigeration mode, the compressor off-time and/or the fan operating gear in the refrigeration mode are determined according to the running parameter record, the moment when the compressor off-time is greater than or equal to the preset compressor off-time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear is determined as the starting moment of the dust removal period, and at least the following technical effects can be realized:
(1) and the dust removal is started after the compressor is controlled to stop running for a period of time, so that on one hand, the occurrence of refrigerant waste caused by the dust removal can be reduced, and on the other hand, the possibility of compressor damage caused by the dust removal can be reduced.
(2) The service life of the compressor is prolonged, when the running gear of the fan is at a lower gear, the control is started to remove dust, on one hand, the possibility that the fan is damaged due to the fact that the fan suddenly enters the reverse rotation in the high-speed forward rotation process can be reduced, the service life of the fan is prolonged, on the other hand, the fan does not need to be restarted, dust removal can be directly controlled, and energy consumption is reduced to a certain extent.
In any of the above technical solutions, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining a dust removal period according to a running time in a specified working mode, further includes: when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record; and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
In the technical scheme, when the designated working mode is the heating mode, the defrosting ending time length or the oil return ending time length in the heating mode is determined according to the running parameter record, the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length are determined as the starting moment of a dust removal period, defrosting is carried out before dust removal, an outdoor heat exchanger can be cleaned and dried through condensate water, the dust removal effect is more obvious, oil return is carried out before dust removal, the outdoor heat exchanger can be cleaned through the condensate water, the dust removal effect is improved, defrosting and oil return in the heating mode can fully utilize energy when the air conditioner is in the heating mode, and defrosting and oil return operations can be selected according to the specific temperature of the outdoor heat exchanger.
In any of the above technical solutions, preferably, the operating environment record includes at least one of dust index data, temperature data, and humidity data.
In the technical scheme, one or more of dust index data, temperature data and humidity data are used as working condition environment records, for example, weight values (each weight value is larger than or equal to zero) of the dust index data, the temperature data and the humidity data are respectively set, the dust accumulation rate is determined through weighted summation, the working environment where the outdoor fan assembly is located can be better judged, the condition of dust accumulation on the outdoor fan assembly is further judged, and therefore proper dust removal operation can be performed.
The technical solution of the second aspect of the present invention provides an operation control device, which is suitable for an outdoor fan assembly of an air conditioner, the operation control device comprising: the determining unit is used for determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; the determination unit is further configured to: determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; the operation control device further includes: and the control unit is used for controlling the outdoor fan assembly to reversely operate in any dedusting period.
In the technical scheme, the corresponding dust removal period is determined through the working condition environment record and the operation parameter record of the outdoor fan assembly in the power-on state, and the proper dust removal period is given according to different working condition environments and operation parameters of the outdoor fan assembly.
The dust removal period can be an operation period of a one-time dust removal mode or an operation period of a multiple continuous dust removal mode, and the operation period mainly comprises an initial time, an operation duration and the like.
In addition, the working condition environment record includes at least one of dust index data, temperature data and humidity data, for example, when the dust index data shows that the PM index is lower than 50, at this time, dust particles are few and are not easy to accumulate, and dust removal is not required to be frequently performed, so that the dust removal period is prolonged, that is, the dust removal frequency is reduced in unit time, and when the dust index data shows that the PM index is higher than 300, at this time, dust particles are many and are easy to accumulate, and dust removal is required to be frequently performed, so that the dust removal period is shortened, that is, the dust removal frequency is increased in unit time, that is, unnecessary power loss of the air conditioner is reduced while the dust removal requirement is.
And the operation parameter records comprise data logs of operation modes (such as a heating mode, a cooling mode, a defrosting mode, a dehumidifying mode, an oil return mode and the like), operation time, abnormal faults and the like of the air conditioner.
In any of the above technical solutions, preferably, the determining unit is further configured to: determining corresponding preset power-on time according to the working condition environment parameters; the operation control device further includes: the analysis unit is used for analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the specified working mode; the determination unit is further configured to: and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining a dust removal period according to the running time in the specified working mode.
In the technical scheme, the corresponding preset electrifying time length is determined according to the working condition environment parameters, when the working condition environment is poor, the preset electrifying time length is short, the dust removal frequency is high, when the working condition environment is good, the preset electrifying time length is long, and the dust removal frequency is low, so that on one hand, the possibility that the normal operation of the air conditioner is influenced due to excessive accumulation of dust and other attachments on an outdoor fan assembly of the air conditioner can be reduced, on the other hand, the possibility that the power consumption of the air conditioner is increased due to the excessive dust removal can be reduced, the accumulated electrifying time length in an electrifying state and the operation time in a specified working mode are determined by analyzing operation parameter records, the time for further precise dust removal can be realized, the dust removal efficiency is improved, the power consumption is reduced, and when the accumulated electrifying time length is detected to, the determination of the dust removal period is combined with the operation time of the air conditioner in different working modes, so that the dust removal period can be further optimized, the dust removal efficiency is improved, and the dust removal power consumption is reduced.
In any of the above technical solutions, preferably, the determining unit is further configured to: determining corresponding preset standby time and preset dust removal time according to working condition environment parameters; the determination unit is further configured to: when the designated working mode is the standby mode, determining the standby time in the standby mode according to the running parameter record; the determination unit is further configured to: and determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of a dust removal period, wherein the dust removal period comprises the starting moment and the preset dust removal time length.
In the technical scheme, the corresponding preset standby time and the preset dust removal time are determined according to the working condition environment parameters, the setting of the standby time and the dust removal time is pointed, the working condition environment and the standby working mode of the air conditioner are combined, the reasonability of the setting of the standby time and the dust removal time is improved, and the dust removal efficiency is improved.
In any of the above technical solutions, preferably, the determining unit is further configured to: when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record; the determination unit is further configured to: and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear as the starting moment of the dust removal period.
In the technical scheme, when the designated working mode is the refrigeration mode, the compressor off-time and/or the fan operating gear in the refrigeration mode are determined according to the running parameter record, the moment when the compressor off-time is greater than or equal to the preset compressor off-time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear is determined as the starting moment of the dust removal period, and at least the following technical effects can be realized:
(1) and the dust removal is started after the compressor is controlled to stop running for a period of time, so that on one hand, the occurrence of refrigerant waste caused by the dust removal can be reduced, and on the other hand, the possibility of compressor damage caused by the dust removal can be reduced.
(2) The service life of the compressor is prolonged, when the running gear of the fan is at a lower gear, the control is started to remove dust, on one hand, the possibility that the fan is damaged due to the fact that the fan suddenly enters the reverse rotation in the high-speed forward rotation process can be reduced, the service life of the fan is prolonged, on the other hand, the fan does not need to be restarted, dust removal can be directly controlled, and energy consumption is reduced to a certain extent.
In any of the above technical solutions, preferably, the determining unit is further configured to: when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record; the determination unit is further configured to: and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
In the technical scheme, when the designated working mode is the heating mode, the defrosting ending time length or the oil return ending time length in the heating mode is determined according to the running parameter record, the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length are determined as the starting moment of a dust removal period, defrosting is carried out before dust removal, an outdoor heat exchanger can be cleaned and dried through condensate water, the dust removal effect is more obvious, oil return is carried out before dust removal, the outdoor heat exchanger can be cleaned through the condensate water, the dust removal effect is improved, defrosting and oil return in the heating mode can fully utilize energy when the air conditioner is in the heating mode, and defrosting and oil return operations can be selected according to the specific temperature of the outdoor heat exchanger.
In any of the above technical solutions, preferably, the operating environment record includes at least one of dust index data, temperature data, and humidity data.
In the technical scheme, one or more of dust index data, temperature data and humidity data are used as working condition environment records, for example, weight values (each weight value is larger than or equal to zero) of the dust index data, the temperature data and the humidity data are respectively set, the dust accumulation rate is determined through weighted summation, the working environment where the outdoor fan assembly is located can be better judged, the condition of dust accumulation on the outdoor fan assembly is further judged, and therefore proper dust removal operation can be performed.
An aspect of the third aspect of the present invention provides an air conditioner including the operation control device according to any one of the aspects of the present invention; and the outdoor fan assembly is connected with the operation control device and comprises an outdoor fan or a plurality of cascaded outdoor fans.
In the technical scheme, the outdoor fan assembly can comprise one outdoor fan or a plurality of cascaded outdoor fans, automatic dust removal of the outdoor fan assembly of the multi-cascaded air conditioner is realized, when the outdoor fan assembly comprises one outdoor fan, corresponding dust removal operation is carried out according to a working mode, when the outdoor fan assembly is a plurality of cascaded outdoor fans, and when the outdoor fan assembly with the working mode being a refrigerating mode or a heating mode is subjected to dust removal operation, the outdoor fan assembly which is subjected to dust removal operation is correspondingly started to work, so that normal use of the air conditioner is ensured.
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 above 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 shows a schematic flow diagram of an operation control method according to an embodiment of the invention;
FIG. 2 shows a schematic flow diagram of an operation control method according to another embodiment of the invention;
FIG. 3 shows a schematic flow chart of a method of controlling the operation of the device according to FIG. 2 with the operating mode in standby mode;
FIG. 4 is a schematic flow chart diagram illustrating a method of controlling operation in a cooling mode according to the operating mode of FIG. 2;
FIG. 5 is a schematic flow chart diagram illustrating a method of controlling operation in a heating mode according to the operation mode of FIG. 2;
FIG. 6 shows a schematic block diagram of an operation control device according to an embodiment of the present invention;
fig. 7 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
An operation control method, an operation control device, and an air conditioner according to an embodiment of the present invention will be specifically described below with reference to fig. 1 to 7.
Fig. 1 shows a schematic flow diagram of an operation control method according to an embodiment of the invention.
As shown in fig. 1, an operation control method according to an embodiment of the present invention is applied to an outdoor fan assembly of an air conditioner, and includes: step S102, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S104, determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; and S106, controlling the outdoor fan assembly to reversely operate in any dedusting period.
In the embodiment, the corresponding dust removal period is determined through the working condition environment record and the operating parameter record of the outdoor fan assembly in the power-on state, and the appropriate dust removal period is given according to different working condition environments and operating parameters of the outdoor fan assembly, so that on one hand, the possibility of unclean dust removal caused by too short dust removal period is reduced, on the other hand, the possibility of too high power consumption caused by too long dust removal period is also reduced, and the outdoor fan assembly is controlled to reversely operate in any dust removal period to form airflow opposite to that in normal rotation, so that dust and other attachments on the outer surface of the outdoor heat exchanger can be reduced, automatic and efficient dust removal of the outdoor fan assembly is realized, the operating efficiency of the outdoor heat exchanger is optimized, and the economic cost and the time cost of manual dust removal are reduced.
The dust removal period can be an operation period of a one-time dust removal mode or an operation period of a multiple continuous dust removal mode, and the operation period mainly comprises an initial time, an operation duration and the like.
In addition, the working condition environment record includes at least one of dust index data, temperature data and humidity data, for example, when the dust index data shows that the PM index is lower than 50, at this time, dust particles are few and are not easy to accumulate, and dust removal is not required to be frequently performed, so that the dust removal period is prolonged, that is, the dust removal frequency is reduced in unit time, and when the dust index data shows that the PM index is higher than 300, at this time, dust particles are many and are easy to accumulate, and dust removal is required to be frequently performed, so that the dust removal period is shortened, that is, the dust removal frequency is increased in unit time, that is, unnecessary power loss of the air conditioner is reduced while the dust removal requirement is.
And the operation parameter records comprise data logs of operation modes (such as a heating mode, a cooling mode, a defrosting mode, a dehumidifying mode, an oil return mode and the like), operation time, abnormal faults and the like of the air conditioner.
In the above embodiment, preferably, determining the corresponding dust removal period according to the operating condition environment record and the operating parameter record specifically includes: determining corresponding preset power-on time according to the working condition environment parameters; analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the specified working mode; and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining a dust removal period according to the running time in the specified working mode.
In the embodiment, the corresponding preset electrifying time length is determined according to the working condition environment parameters, when the working condition environment is poor, the preset electrifying time length is shorter, the dust removal frequency is higher, when the working condition environment is better, the preset electrifying time length is longer, and the dust removal frequency is lower, so that on one hand, the possibility that the normal operation of the air conditioner is influenced by excessive accumulation of dust and other attachments on an outdoor fan assembly of the air conditioner can be reduced, on the other hand, the possibility that the power consumption of the air conditioner is increased due to the excessive dust removal can be reduced, the accumulated electrifying time length in the electrifying state and the operation time in the specified working mode are determined by analyzing the operation parameter records, the dust removal time can be further accurately determined, the dust removal efficiency is improved, the dust removal time is reduced, when the accumulated electrifying time length is detected to be, the determination of the dust removal period is combined with the operation time of the air conditioner in different working modes, so that the dust removal period can be further optimized, the dust removal efficiency is improved, and the dust removal power consumption is reduced.
In any of the above embodiments, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining the dust removal period according to the running time in the designated working mode specifically includes: determining corresponding preset standby time and preset dust removal time according to working condition environment parameters; when the designated working mode is the standby mode, determining the standby time in the standby mode according to the running parameter record; and determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of a dust removal period, wherein the dust removal period comprises the starting moment and the preset dust removal time length.
In the embodiment, the corresponding preset standby time and the preset dust removal time are determined according to the working condition environment parameters, the setting of the standby time and the dust removal time is targeted, the working condition environment and the standby working mode of the air conditioner are combined, the reasonability of the setting of the standby time and the dust removal time is improved, and the dust removal efficiency is further improved.
In any of the above embodiments, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining the dust removal period according to the running time in the designated working mode, further includes: when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record; and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear as the starting moment of the dust removal period.
In this embodiment, when the designated operating mode is the cooling mode, the compressor off time and/or the fan operating gear in the cooling mode are determined according to the operating parameter record, and the time when the compressor off time is greater than or equal to the preset compressor off time and/or the time when the fan operating gear is less than or equal to the preset fan operating gear is determined as the start time of the dust removal period, at least the following technical effects can be achieved:
(1) and the dust removal is started after the compressor is controlled to stop running for a period of time, so that on one hand, the occurrence of refrigerant waste caused by the dust removal can be reduced, and on the other hand, the possibility of compressor damage caused by the dust removal can be reduced.
(2) The service life of the compressor is prolonged, when the running gear of the fan is at a lower gear, the control is started to remove dust, on one hand, the possibility that the fan is damaged due to the fact that the fan suddenly enters the reverse rotation in the high-speed forward rotation process can be reduced, the service life of the fan is prolonged, on the other hand, the fan does not need to be restarted, dust removal can be directly controlled, and energy consumption is reduced to a certain extent.
In any of the above embodiments, preferably, when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining the dust removal period according to the running time in the designated working mode, further includes: when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record; and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
In the embodiment, when the designated working mode is the heating mode, the defrosting ending time length or the oil return ending time length in the heating mode is determined according to the running parameter record, the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length are determined as the starting moment of the dust removal period, defrosting is carried out before dust removal, the outdoor heat exchanger can be cleaned and dried through condensate water, the dust removal effect is more obvious, oil return is carried out before dust removal, the outdoor heat exchanger can be cleaned through the condensate water, the dust removal effect is improved, defrosting and oil return in the heating mode can fully utilize energy generated when the air conditioner is in the heating mode, and defrosting and oil return operations can be selected according to the specific temperature of the outdoor heat.
In any of the above embodiments, preferably, the operating environment record includes at least one of dust index data, temperature data, and humidity data.
In this embodiment, one or more of the dust index data, the temperature data and the humidity data are used as the working condition environment record, for example, weight values (each weight value is greater than or equal to zero) of the dust index data, the temperature data and the humidity data are respectively set, and the weighted sum determines the dust accumulation rate, so that the working environment where the outdoor fan assembly is located can be better judged, and further, the condition of dust accumulation on the outdoor fan assembly can be judged, and therefore, a proper dust removal operation can be performed.
Embodiments of the operation control method according to the present invention will be described in detail below with reference to fig. 1 to 5.
The first embodiment is as follows:
as shown in fig. 1, an operation control method according to a first embodiment of the present invention includes: step S102, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S104, determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; and S106, controlling the outdoor fan assembly to reversely operate in any dedusting period to form airflow opposite to that in normal rotation, so that dust and other attachments on the outer surface of the outdoor heat exchanger can be reduced, the dedusting efficiency is improved, the dedusting power consumption is reduced, and the economic cost and the time cost of manual dedusting are reduced.
Example two:
as shown in fig. 2, the operation control method according to the second embodiment of the present invention includes: step S202, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S204, determining corresponding preset electrifying time according to the working condition environment parameters; step S206, analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the designated working mode; step S208, when the accumulated electrifying time length is detected to be greater than or equal to the preset electrifying time length, determining a dedusting period according to the running time in the specified working mode; step S210, in any dedusting period, the outdoor fan assembly is controlled to reversely operate, the accumulated electrifying time in the electrifying state and the operation time in the appointed working mode are determined by analyzing the operation parameter records, the dedusting time can be further accurately determined, and the dedusting efficiency is improved while the dedusting power consumption is reduced.
Example three:
as shown in fig. 3, the operation control method according to the third embodiment of the present invention includes: step S302, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S304, determining a corresponding preset electrifying time length according to the working condition environment parameters; step S306, analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the designated working mode; step S308, when the accumulated electrifying time length is detected to be greater than or equal to the preset electrifying time length, determining the corresponding preset standby time length and the preset dedusting time length according to the working condition environment parameters; step S310, when the working mode is the standby mode, determining the standby time in the standby mode according to the running parameter record; step S312, determining the time when the standby time is greater than or equal to the preset standby time as the starting time of the dust removal period; step S314, in any dedusting period, the outdoor fan assembly is controlled to reversely operate, automatic dedusting in a standby mode can be realized, the dedusting operation is targeted, the dedusting efficiency is improved, and the dedusting power consumption is reduced.
Example four:
as shown in fig. 4, the operation control method according to the fourth embodiment of the present invention includes: step S402, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S404, determining a corresponding preset electrifying time length according to the working condition environment parameters; step S406, analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the designated working mode; step S408, when the accumulated electrifying time length is detected to be greater than or equal to the preset electrifying time length, determining the corresponding preset standby time length and the preset dedusting time length according to the working condition environment parameters; step S410, when the designated working mode is a refrigeration mode, determining the compressor shutdown duration and/or the fan running gear in the refrigeration mode according to the running parameter record; step S412, determining the moment when the compressor off time is longer than or equal to the preset compressor off time and/or the moment when the fan operating gear is lower than or equal to the preset fan operating gear as the starting moment of the dust removal period; step S414, in any dedusting period, the outdoor fan assembly is controlled to reversely operate, automatic dedusting in a refrigeration mode can be realized, dedusting is started after the compressor stops operating for a period of time, the service life of the compressor can be prolonged, dedusting is controlled to be started when the running gear of the fan is in a lower gear, energy consumption of the fan during starting can be saved, the service life of the fan is prolonged, and the whole energy consumption of dedusting is reduced while the dedusting effect is ensured.
Example five:
as shown in fig. 5, an operation control method according to a fifth embodiment of the present invention includes: step S502, determining working condition environment records and operation parameter records of the outdoor fan assembly in a power-on state; step S504, determining a corresponding preset electrifying time length according to the working condition environment parameters; step S506, analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the designated working mode; step S508, when the accumulated electrifying time length is detected to be greater than or equal to the preset electrifying time length, determining the corresponding preset standby time length and the preset dedusting time length according to the working condition environment parameters; step S510, when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record; step S512, determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length, and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period; step S514, in any dedusting period, the outdoor fan assembly is controlled to reversely operate, automatic dedusting, defrosting or oil return operation in a heating mode can be achieved, condensed water can be generated, and the dedusting effect can be further improved by cleaning the outdoor heat exchanger through the condensed water.
Fig. 6 shows a schematic block diagram of an operation control device according to an embodiment of the present invention.
Fig. 7 shows a schematic block diagram of an air conditioner according to an embodiment of the present invention.
As shown in fig. 6 and 7, an operation control device 600 according to an embodiment of the present invention is applied to an outdoor fan assembly 702 of an air conditioner 700, and the operation control device 600 includes: a determining unit 602, configured to determine a working condition environment record and an operation parameter record of the outdoor fan assembly 702 in a powered state; the determining unit 602 is further configured to: determining a corresponding dust removal period according to the working condition environment record and the operation parameter record; the operation control device 600 further includes: and the control unit 604 is used for controlling the outdoor fan assembly 702 to reversely operate in any dust removing period.
In the embodiment, the corresponding dust removal period is determined through the working condition environment record and the operating parameter record of the outdoor fan assembly in the power-on state, and the appropriate dust removal period is given according to different working condition environments and operating parameters of the outdoor fan assembly, so that on one hand, the possibility of unclean dust removal caused by too short dust removal period is reduced, on the other hand, the possibility of too high power consumption caused by too long dust removal period is also reduced, and the outdoor fan assembly is controlled to reversely operate in any dust removal period to form airflow opposite to that in normal rotation, so that dust and other attachments on the outer surface of the outdoor heat exchanger can be reduced, automatic and efficient dust removal of the outdoor fan assembly is realized, the operating efficiency of the outdoor heat exchanger is optimized, and the economic cost and the time cost of manual dust removal are reduced.
The dust removal period can be an operation period of a one-time dust removal mode or an operation period of a multiple continuous dust removal mode, and the operation period mainly comprises an initial time, an operation duration and the like.
In addition, the working condition environment record includes at least one of dust index data, temperature data and humidity data, for example, when the dust index data shows that the PM index is lower than 50, at this time, dust particles are few and are not easy to accumulate, and dust removal is not required to be frequently performed, so that the dust removal period is prolonged, that is, the dust removal frequency is reduced in unit time, and when the dust index data shows that the PM index is higher than 300, at this time, dust particles are many and are easy to accumulate, and dust removal is required to be frequently performed, so that the dust removal period is shortened, that is, the dust removal frequency is increased in unit time, that is, unnecessary power loss of the air conditioner is reduced while the dust removal requirement is.
And the operation parameter records comprise data logs of operation modes (such as a heating mode, a cooling mode, a defrosting mode, a dehumidifying mode, an oil return mode and the like), operation time, abnormal faults and the like of the air conditioner.
In any of the above embodiments, preferably, the determining unit 602 is further configured to: determining corresponding preset power-on time according to the working condition environment parameters; the operation control device 600 further includes: an analyzing unit 606, configured to analyze the operation parameter record to determine an accumulated power-on duration in the power-on state and an operation time in the specified operation mode; the determining unit 602 is further configured to: and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining a dust removal period according to the running time in the specified working mode.
In the embodiment, the corresponding preset power-on time length is determined according to the working condition environment parameters, when the working condition environment is poor, the preset power-on time length is shorter, the dust removal frequency is higher, when the working condition environment is better, the preset power-on time length is longer, and the dust removal frequency is lower, so that on one hand, the possibility that the normal operation of the air conditioner 700 is influenced due to excessive accumulation of dust and other attachments on the outdoor fan assembly 702 of the air conditioner can be reduced, on the other hand, the possibility that the power consumption of the air conditioner 700 is increased due to too frequent dust removal can be reduced, the accumulated power-on time length in the power-on state and the operation time in the specified working mode are determined by analyzing the operation parameter records, the dust removal time can be further accurately determined, the dust removal efficiency is improved, the power consumption is reduced, and when the accumulated power, the determination of the dust removal period is combined with the operation time of the air conditioner 700 in different working modes, so that the dust removal period can be further optimized, the dust removal efficiency is improved, and the dust removal power consumption is reduced.
In any of the above embodiments, preferably, the determining unit 602 is further configured to: determining corresponding preset standby time and preset dust removal time according to working condition environment parameters; the determining unit 602 is further configured to: when the designated working mode is the standby mode, determining the standby time in the standby mode according to the running parameter record; the determining unit 602 is further configured to: and determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of a dust removal period, wherein the dust removal period comprises the starting moment and the preset dust removal time length.
In the embodiment, the corresponding preset standby time and the preset dust removal time are determined according to the working condition environment parameters, the setting of the standby time and the dust removal time is targeted, the working condition environment and the standby working mode of the air conditioner 700 are combined, the reasonability of the setting of the standby time and the dust removal time is improved, and the dust removal efficiency is further improved.
In any of the above embodiments, preferably, the determining unit 602 is further configured to: when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record; the determining unit 602 is further configured to: and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is less than or equal to the preset fan operating gear as the starting moment of the dust removal period.
In this embodiment, when the designated operating mode is the cooling mode, the compressor off time and/or the fan operating gear in the cooling mode are determined according to the operating parameter record, and the time when the compressor off time is greater than or equal to the preset compressor off time and/or the time when the fan operating gear is less than or equal to the preset fan operating gear is determined as the start time of the dust removal period, at least the following technical effects can be achieved:
(1) and the dust removal is started after the compressor is controlled to stop running for a period of time, so that on one hand, the occurrence of refrigerant waste caused by the dust removal can be reduced, and on the other hand, the possibility of compressor damage caused by the dust removal can be reduced.
(2) The service life of the compressor is prolonged, when the running gear of the fan is at a lower gear, the control is started to remove dust, on one hand, the possibility that the fan is damaged due to the fact that the fan suddenly enters the reverse rotation in the high-speed forward rotation process can be reduced, the service life of the fan is prolonged, on the other hand, the fan does not need to be restarted, dust removal can be directly controlled, and energy consumption is reduced to a certain extent.
In any of the above embodiments, preferably, the determining unit 602 is further configured to: when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record; the determining unit 602 is further configured to: and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
In this embodiment, when the designated operating mode is the heating mode, the defrosting end time or the oil return end time in the heating mode is determined according to the operating parameter record, the time when the defrosting end time is greater than or equal to the defrosting end time and/or the time when the oil return end time is greater than or equal to the preset oil return end time is determined as the start time of the dust removal period, defrosting is performed before dust removal, the outdoor heat exchanger can be cleaned and dried through condensed water, the dust removal effect is more obvious, oil return is performed before dust removal, the outdoor heat exchanger can be cleaned through the condensed water, the dust removal effect is improved, defrosting and oil return in the heating mode can fully utilize energy when the air conditioner 700 operates in the heating mode, and defrosting and oil return operations can be selected according to the specific temperature of the outdoor heat exchanger.
In any of the above embodiments, preferably, the operating environment record includes at least one of dust index data, temperature data, and humidity data.
In this embodiment, one or more of the dust index data, the temperature data, and the humidity data are used as the operating condition environment record, so that the operating environment of the outdoor fan assembly 702 can be better determined, and the condition of dust accumulation on the outdoor fan assembly 702 can be further determined, and thus, a suitable dust removal operation can be performed.
Fig. 7 shows a schematic block diagram of an air conditioner 700 according to an embodiment of the present invention.
As shown in fig. 7, still another embodiment of the present invention provides an air conditioner 700 including an operation control device 600 according to any one of the embodiments of the present invention; the outdoor fan assembly 702 is connected to the operation control device 600, and the outdoor fan assembly 702 includes one outdoor fan or a plurality of cascaded outdoor fans.
In this embodiment, the outdoor fan assembly 702 may include one outdoor fan or a plurality of cascaded outdoor fans, so as to achieve automatic dust removal of the multi-cascaded outdoor fan assembly 702 of the air conditioner, when the outdoor fan assembly 702 includes one outdoor fan, the corresponding dust removal operation is performed according to the operating mode, and when the outdoor fan assembly 702 is a plurality of cascaded outdoor fans, and when the dust removal operation is performed on the outdoor fan assembly 702 whose operating mode is the cooling mode or the heating mode, the corresponding start of the outdoor fan that has completed the dust removal operation is correspondingly performed, so as to ensure normal use of the air conditioner 700.
The technical scheme of the invention is explained in detail in the above with reference to the attached drawings, and in consideration of the technical defects of the operation control process of the air conditioner in the related technology, the invention provides an operation control method, an operation control device and the air conditioner.
The steps in the method of the embodiment of the invention can be sequentially adjusted, combined and deleted according to actual needs.
The units in the terminal of the embodiment of the invention can be merged, divided and deleted according to actual needs.
It will be understood by those skilled in the art that all or part of the steps in the methods of the embodiments described above may be implemented by instructions associated with a program, which may be stored in a computer-readable storage medium, where the storage medium includes Read-Only Memory (ROM), Random Access Memory (RAM), Programmable Read-Only Memory (PROM), Erasable Programmable Read-Only Memory (EPROM), One-time Programmable Read-Only Memory (OTPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM), compact disc-Read-Only Memory (CD-ROM), or other Memory, magnetic disk, magnetic tape, or magnetic tape, Or any other medium which can be used to carry or store data and which can be read by a computer.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An operation control method for an outdoor fan assembly of an air conditioner, the operation control method comprising:
determining a working condition environment record and an operation parameter record of the outdoor fan assembly in a power-on state;
determining a corresponding dust removal period according to the working condition environment record and the operation parameter record;
controlling the outdoor fan assembly to reversely operate in any dedusting period;
determining a corresponding dust removal period according to the working condition environment record and the operation parameter record, and specifically comprising the following steps:
determining corresponding preset power-on time according to the working condition environment record;
analyzing the running parameter record to determine the accumulated power-on time in the power-on state and the running time in the specified working mode;
and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining the dust removal period according to the running time in the specified working mode.
2. The operation control method according to claim 1, wherein when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, determining the dust removal period according to the operation duration in the specified operation mode specifically includes:
determining corresponding preset standby time and preset dust removal time according to the working condition environment record;
when the designated working mode is a standby mode, determining the standby time in the standby mode according to the running parameter record;
determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of the dust removal period,
and the dust removal period comprises the starting time and the preset dust removal time.
3. The operation control method according to claim 1, wherein when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, the dust removal period is determined according to the operation duration in the specified operation mode, and specifically, the method further includes:
when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record;
and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is lower than or equal to the preset fan operating gear as the starting moment of the dust removal period.
4. The operation control method according to claim 1, wherein when it is detected that the accumulated power-on duration is greater than or equal to the preset power-on duration, the dust removal period is determined according to the operation duration in the specified operation mode, and specifically, the method further includes:
when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record;
and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
5. The operation control method according to any one of claims 1 to 4,
the working condition environment record comprises at least one of dust index data, temperature data and humidity data.
6. An operation control device for an outdoor fan assembly of an air conditioner, comprising:
the determining unit is used for determining the working condition environment record and the operating parameter record of the outdoor fan assembly in the power-on state;
the determination unit is further configured to: determining a corresponding dust removal period according to the working condition environment record and the operation parameter record;
the operation control device further includes:
the control unit is used for controlling the outdoor fan assembly to reversely operate in any dedusting period;
the determination unit is further configured to: determining corresponding preset power-on time according to the working condition environment record;
the operation control device further includes:
the analysis unit is used for analyzing the operation parameter record to determine the accumulated power-on time in the power-on state and the operation time in the specified working mode;
the determination unit is further configured to: and when the accumulated power-on duration is detected to be greater than or equal to the preset power-on duration, determining the dust removal period according to the running time in the specified working mode.
7. The operation control device according to claim 6,
the determination unit is further configured to: determining corresponding preset standby time and preset dust removal time according to the working condition environment record;
the determination unit is further configured to: when the designated working mode is a standby mode, determining the standby time in the standby mode according to the running parameter record;
the determination unit is further configured to: determining the moment when the standby time length is greater than or equal to the preset standby time length as the starting moment of the dust removal period,
and the dust removal period comprises the starting time and the preset dust removal time.
8. The operation control device according to claim 6, wherein the determination unit is further configured to: when the designated working mode is a refrigeration mode, determining the compressor shutdown time and/or the fan running gear in the refrigeration mode according to the running parameter record;
the determination unit is further configured to: and determining the moment when the compressor off time is greater than or equal to the preset compressor off time and/or the moment when the fan operating gear is lower than or equal to the preset fan operating gear as the starting moment of the dust removal period.
9. The operation control device according to claim 6,
the determination unit is further configured to: when the designated working mode is a heating mode, determining defrosting ending time or oil return ending time in the heating mode according to the running parameter record;
the determination unit is further configured to: and determining the moment when the defrosting ending time length is greater than or equal to the defrosting ending time length and/or the moment when the oil return ending time length is greater than or equal to the preset oil return ending time length as the starting moment of the dust removal period.
10. The operation control device according to any one of claims 6 to 9,
the working condition environment record comprises at least one of dust index data, temperature data and humidity data.
11. An air conditioner, comprising:
the operation control device according to any one of claims 6 to 10;
and the outdoor fan assembly is connected to the operation control device and comprises an outdoor fan or a plurality of cascaded outdoor fans.
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| CN109237733A (en) * | 2017-07-04 | 2019-01-18 | 奥克斯空调股份有限公司 | Outdoor machine of air-conditioner automatic block-resistant method |
| CN110567119B (en) * | 2019-09-03 | 2020-09-04 | 珠海格力电器股份有限公司 | Automatic dust removal method and device under different pollution modes and air conditioner |
| CN111981647B (en) * | 2020-08-19 | 2022-08-30 | 广东Tcl智能暖通设备有限公司 | Air conditioner self-cleaning control method, air conditioner and computer readable storage medium |
| CN113266919B (en) * | 2021-05-26 | 2022-08-26 | 珠海格力电器股份有限公司 | Fan blade self-cleaning control method of air conditioner outdoor unit and air conditioner |
| CN114413427B (en) * | 2021-12-29 | 2023-08-15 | 海信空调有限公司 | Air conditioner, dust removal control method and device thereof and storage medium |
| CN114719407B (en) * | 2022-02-21 | 2023-11-07 | 宁波奥克斯电气股份有限公司 | Dust removal control method and device for condenser and air conditioner |
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| JP2007127289A (en) * | 2005-11-01 | 2007-05-24 | Matsushita Electric Ind Co Ltd | Air conditioner |
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