CN114992784A - Air conditioner self-cleaning control method, air conditioner and computer readable storage medium - Google Patents
Air conditioner self-cleaning control method, air conditioner and computer readable storage medium Download PDFInfo
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- CN114992784A CN114992784A CN202210844847.2A CN202210844847A CN114992784A CN 114992784 A CN114992784 A CN 114992784A CN 202210844847 A CN202210844847 A CN 202210844847A CN 114992784 A CN114992784 A CN 114992784A
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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
- F24F11/46—Improving electric energy efficiency or saving
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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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/64—Electronic processing using pre-stored data
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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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- 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
- F24F11/67—Switching between heating and cooling modes
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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
- 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
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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
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/30—Velocity
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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
Abstract
The invention provides an air conditioner self-cleaning control method, an air conditioner and a computer readable storage medium, wherein the air conditioner self-cleaning control method comprises the following steps: acquiring the accumulated time delta T of the starting operation of the air conditioner, determining that the delta T is more than T0, and acquiring the windward speed V through a speed sensor; when the windward speed V is determined to meet a first preset condition, executing a dust removal mode; the dust removal mode comprises a condensation refrigeration mode and a condensation heating mode which are sequentially executed, when the condensation refrigeration mode is executed, the frequency of a compressor is f1, the rotating speed of a fan is r1, and the running time of the condensation refrigeration mode is t 1; when the condensation-removing heating mode is executed, the frequency of the compressor is f2, the rotating speed of the fan is r2, and the running time of the condensation-removing heating mode is t 2; f2 is greater than f1, r2 is less than r1, and t2 is less than t 1. The self-cleaning control method of the air conditioner can accurately judge the filth blockage degree information of the evaporator, ensure the effect of cleaning the evaporator, reduce the working energy consumption of the air conditioner, save energy and protect environment.
Description
Technical Field
The invention relates to the technical field of air conditioner control methods, in particular to an air conditioner self-cleaning control method, an air conditioner for realizing the method and a computer readable storage medium.
Background
When the air conditioner is used for a long time, the evaporator in the air conditioner room is dirty and blocked due to the accumulation of dust. When the indoor evaporator is dirty and blocked, the normal flow of the refrigerant is influenced, and the refrigeration/heating effect of the air conditioner is influenced. Meanwhile, when the indoor evaporator is dirty and blocked, the air blown out from the indoor unit of the air conditioner can also affect the health of users.
The existing air conditioner self-cleaning control method enables the indoor evaporator to be condensed through refrigerating operation and then enables the indoor evaporator to be condensed through heating operation, and the indoor evaporator can be cleaned through molten condensed water. In the self-cleaning control method of the air conditioner, in the condensation refrigerating operation and condensation heating operation processes, the frequency of an outdoor compressor of the air conditioner is the same, the rotating speed of an indoor fan is the same, and the condensation refrigerating operation time and the condensation heating operation time are also the same, so that the working energy consumption of the air conditioner is increased when the indoor evaporator is effectively cleaned.
In addition, the existing air conditioner self-cleaning control method obtains the current air outlet speed at the air outlet of the indoor unit through the air speed sensor, determines the preset air outlet speed of the air conditioner matched with the current fan rotating speed of the air conditioner according to the fan rotating speed signal, and compares the current air outlet speed with the preset air outlet speed to output the filth blockage degree information of the air conditioner. However, the air speed sensor is arranged at the air outlet of the indoor unit, and the air pressure directly given to the air speed sensor by the fan can influence the detection sensitivity of the air speed sensor, so that the detection result accuracy of the air speed sensor is influenced, and the accuracy of the dirty and blocked degree information of the evaporator is further influenced.
Disclosure of Invention
The invention aims to provide an energy-saving and environment-friendly air conditioner self-cleaning control method which can accurately judge the filth blockage degree information of an evaporator, ensure the effect of cleaning the evaporator, reduce the working energy consumption of the air conditioner and is energy-saving.
The second purpose of the present invention is to provide an air conditioner for implementing the above-mentioned self-cleaning control method of the air conditioner.
A third object of the present invention is to provide a computer readable storage medium for implementing the above-mentioned self-cleaning control method of an air conditioner.
In order to achieve the first object of the present invention, the present invention provides a self-cleaning control method for an air conditioner, the air conditioner comprises an indoor unit and an outdoor unit, the indoor unit comprises a casing, an evaporator and a speed sensor, the casing is provided with an air inlet and an air outlet, the evaporator is arranged in the casing, the speed sensor is arranged on the windward side of the evaporator close to the air inlet, the self-cleaning control method for the air conditioner comprises: acquiring accumulated time delta T of starting operation of the air conditioner, and acquiring windward speed V through a speed sensor if the delta T is more than T0; when the windward speed V is determined to meet a first preset condition, executing a dust removal mode; the dust removal mode comprises a condensation refrigeration mode and a condensation heating mode which are sequentially executed, when the condensation refrigeration mode is executed, the frequency of a compressor of the outdoor unit is f1, the rotating speed of a fan of the indoor unit is r1, and the running time of the condensation refrigeration mode is t 1; when the condensation-removing heating mode is executed, the frequency of the compressor is f2, the rotating speed of the fan is r2, and the running time of the condensation-removing heating mode is t 2; the frequency f2 of the compressor is greater than the frequency f1 of the compressor, the rotating speed r2 of the fan is less than the rotating speed r1 of the fan, the condensation heating mode operating time T2 is less than the condensation cooling mode operating time T1, and T0 is a first preset time.
According to the scheme, when the condensation refrigeration mode is executed, the compressor frequency is low, the fan rotating speed is high, the operation time of the condensation refrigeration mode is long, when the condensation heating mode is executed, the compressor frequency is high, the fan rotating speed is low, and the operation time of the condensation heating mode is short, so that the working energy consumption of the air conditioner is reduced while the condensation and condensation are guaranteed to effectively clean the evaporator, the air conditioner is energy-saving and environment-friendly, the speed sensor for detecting the windward speed V is arranged on the windward side, close to the air inlet, of the evaporator, the wind pressure directly given by the indoor fan cannot be applied, the detection sensitivity of the speed sensor is improved, and the evaporator filth blockage degree information can be accurately judged.
In a preferred embodiment, the first preset condition includes: judging whether V is more than or equal to V2 and less than V1, if so, sending a slight filth blockage reminding signal of the evaporator, and executing a dust removal mode when acquiring information of the dust removal executing mode; wherein V1 is the first predetermined speed, and V2 is the second predetermined speed.
Further, the first preset condition further includes: and judging whether V is less than V2, if so, sending out a serious filth blockage reminding signal of the evaporator, and executing a dust removal mode.
In a further development, the frequency f2 of the compressor is between 60Hz and 70 Hz; and/or the rotating speed r2 of the fan is between 800rpm and 900 rpm; and/or the condensation heating mode running time t2 is between 5min and 10 min.
In a further development, the frequency f1 of the compressor is between 50Hz and 60 Hz; and/or the rotating speed r1 of the fan is between 900rpm and 1000 rpm; and/or the condensation refrigeration mode operation time t1 is between 10min and 15 min.
The indoor unit further comprises a humidity sensor, the humidity sensor is arranged on the air exhaust side of the evaporator close to the air outlet, and the humidity sensor is positioned in an air duct of the shell; the self-cleaning control method of the air conditioner further comprises the following steps: when the condition that delta T is larger than T0 is determined, acquiring the humidity R of the air duct through a humidity sensor; when the air duct humidity R meets a second preset condition, executing a drying and dehumidifying mode; when the drying and dehumidifying mode is executed, the frequency of the compressor is f3, the rotation speed of the fan is r3, the drying and dehumidifying mode is that the air conditioner heating operation time is t3, the frequency f3 of the compressor is greater than the frequency f1 of the compressor, the rotation speed r3 of the fan is less than the rotation speed r1 of the fan, and the drying and dehumidifying mode operation time t3 is less than the condensation and refrigeration mode operation time t 1.
In a further aspect, the second preset condition includes: judging whether R2 is more than R1 or not, if so, sending a slight humidity reminding signal of the air duct, and executing a drying and dehumidifying mode when acquiring information of executing the drying and dehumidifying mode; wherein, R1 is the first preset humidity, and R2 is the second preset humidity.
Further, the second preset condition further includes: and judging whether R is more than R2, if so, sending out a serious humidity reminding signal of the air duct, and executing a drying and dehumidifying mode.
In a further development, the frequency f3 of the compressor is between 60Hz and 70 Hz; and/or the rotating speed r3 of the fan is between 800rpm and 900 rpm; and/or the dry dehumidification mode running time t3 is between 5min and 10 min.
According to a further scheme, when the windward speed V meets a first preset condition and the air duct humidity R meets a second preset condition, a dust removal mode is executed.
Further, after the dust removal mode or the drying and dehumidifying mode is finished, the accumulated time delta T of the starting operation of the air conditioner is cleared and counted again, and the counted again accumulated time is delta T1.
Further, if the delta T1 is equal to T2 and the air conditioner is in an idle state, the windward speed V is obtained through a speed sensor, and the air duct humidity R is obtained through a humidity sensor; wherein T2 is a second preset time.
In a further embodiment, the second predetermined time T2 is a multiple of the first predetermined time T0.
In order to achieve the second objective of the present invention, the present invention provides an air conditioner, which includes an indoor unit and an outdoor unit having a circuit board, wherein the circuit board is provided with a processor and a memory, the memory stores a computer program, and the computer program implements the steps of the above-mentioned air conditioner self-cleaning control method when executed by the processor.
To achieve the third object of the present invention, the present invention provides a computer readable storage medium having stored thereon a computer program, which when executed by a processor, performs the steps of the above-mentioned air conditioner self-cleaning control method.
Drawings
Fig. 1 is a sectional view of an indoor unit in an embodiment of an air conditioner according to the present invention.
Fig. 2 is a flow chart of an embodiment of the self-cleaning control method of the air conditioner of the invention.
The invention is further explained with reference to the drawings and the embodiments.
Detailed Description
The embodiment of the self-cleaning control method of the air conditioner comprises the following steps:
referring to fig. 1, the air conditioner of this embodiment includes an indoor unit and an outdoor unit, the indoor unit includes a casing 11, an evaporator 12, a speed sensor 13 and a humidity sensor 15, the casing 11 is provided with an air inlet 111 and an air outlet 112, the evaporator 12 is disposed in the casing 11, the speed sensor 13 is disposed on the windward side of the evaporator 12 close to the air inlet 111, the humidity sensor 15 is disposed on the air discharge side of the evaporator 12 close to the air outlet 112, and the humidity sensor 15 is disposed in the air duct of the casing 11.
Referring to fig. 2, fig. 2 is a flowchart of a self-cleaning control method of an air conditioner according to the present embodiment, and the specific steps of the self-cleaning control method of the air conditioner according to the present embodiment are as follows.
Step S1 is executed first, in which the air conditioner is turned on, that is, the user sends a power-on signal to the indoor unit of the air conditioner via the remote controller, and the indoor unit of the air conditioner receives the power-on signal, so that the air conditioner is turned on to perform heating or cooling operation. And then executing step S2 to obtain the cumulative time delta T of the air conditioner starting operation, then executing step S3 to judge whether the cumulative time delta T is larger than T0, if so, executing step S4 to obtain the windward speed V through the speed sensor 13 and the air duct humidity R through the humidity sensor 15, and if not, executing step S2 to continue to increase the cumulative time delta T. Wherein T0 is a first preset time, and the first preset time T0 is 360 hours in this embodiment, so that the dirty condition of the evaporator 12 and the humidity condition of the air duct 113 are detected after the air conditioner is turned on and operates for the first preset time T0.
After the speed sensor 13 obtains the windward speed V and the humidity sensor 15 obtains the air duct humidity R, step S5 is executed, and it is determined that the windward speed V satisfies a first preset condition and the air duct humidity R satisfies a second preset condition, that is, the conditions for executing the dust removal mode and the drying and dehumidifying mode are satisfied, at this time, a conflict resolution mechanism is adopted, and step S9 is executed to execute the dust removal mode. The first preset condition of this embodiment includes: two conditions of judging that V2 is not less than V < V1 and judging that V < V2 are provided, wherein V is windward speed, V1 is first preset speed, V2 is second preset speed, and the second preset condition of the embodiment includes: judging two conditions of R2 being more than or equal to R & gtR 1 and R & gtR 2, wherein R is the humidity of the air duct 113, R1 is first preset humidity, and R2 is second preset humidity. Specifically, in the embodiment, the first preset speed V1 is 1m/s, the second preset speed V2 is 0.5m/s, the first preset humidity R1 is RH 85%, and the second preset humidity R2 is RH 95%.
Moreover, the dust removal mode of the present embodiment includes a condensation cooling mode and a condensation heating mode that are sequentially executed, when the condensation cooling mode is executed, the frequency of the compressor of the outdoor unit is f1, the rotation speed of the fan 14 of the indoor unit is r1, and the operation time of the condensation cooling mode is t1, so that the water vapor in the air is condensed to adsorb dust on the evaporator 12 and the air duct 113, when the condensation heating mode is executed, the frequency of the compressor is f2, the rotation speed of the fan 14 is r2, and the operation time of the condensation heating mode is t2, so that the condensation on the evaporator 12 and the air duct 113 is melted, and the melted condensation water can clean the indoor evaporator 12 and the air duct 113. Meanwhile, the frequency f2 of the compressor of the embodiment is greater than the frequency f1 of the compressor, the rotating speed r2 of the fan 14 is less than the rotating speed r1 of the fan 14, and the operating time t2 of the condensation heating mode is less than the operating time t1 of the condensation cooling mode, so that the working energy consumption of the air conditioner is reduced while the effect of cleaning the evaporator 12 is ensured, the air conditioner is energy-saving and environment-friendly, the speed sensor 13 for detecting the windward speed V is arranged on the windward side, close to the air inlet 111, of the evaporator 12, and the wind pressure action directly given by the indoor fan 14 cannot be received, the detection sensitivity of the speed sensor 13 is improved, and the dirty and blocked degree information of the evaporator 12 can be accurately judged.
Specifically, the frequency f1 of the compressor of the embodiment is between 50Hz and 60Hz, the rotation speed r1 of the fan 14 is between 900rpm and 1000rpm, and the operation time t1 of the condensation cooling mode is between 10min and 15min, so that when the condensation cooling mode is executed, the frequency of the compressor is low, the rotation speed of the fan 14 is high, and the operation time of the condensation cooling mode is long, and the frequency f2 of the compressor of the embodiment is between 60Hz and 70Hz, the rotation speed r2 of the fan 14 is between 800rpm and 900rpm, and the operation time t2 of the condensation heating mode is between 5min and 10min, so that when the condensation heating mode is executed, the frequency of the compressor is high, the rotation speed of the fan 14 is low, and the operation time of the condensation heating mode is short, thereby reducing the operation energy consumption of the air conditioner while ensuring the cleaning effect of the evaporator 12 by the condensation and the condensation, and reducing the energy consumption of the air conditioner, and saving energy and protecting environment.
After the windward speed V is obtained by the speed sensor 13, step S6 is executed, whether V2 is equal to or greater than V < V1 is determined, if yes, step S7 is executed, a slight filth blockage reminding signal is sent out when the evaporator 12 exists, the user can select whether to enter the dust removal mode, when the air conditioner obtains the information of the dust removal mode, step S8 is executed, the user selects to enter the dust removal mode when the evaporator 12 has a slight filth blockage reminding, step S9 is executed, the dust removal mode is executed, namely, the condensation refrigeration mode is executed by using the frequency f1 of the compressor of the outdoor unit and the rotating speed r1 of the fan 14 of the indoor unit, the condensation refrigeration mode runs for t1 time, so that the water vapor in the air is condensed in the refrigeration process to adsorb the dust on the evaporator 12 and the air duct 113, then the condensation heating mode is executed by using the frequency f2 of the compressor and the rotating speed r2 of the fan 14, and the condensation heating mode runs for t2 time, the condensation on the evaporator 12 and the air duct 113 is melted in the heating process, and the melted condensation water can clean the indoor evaporator 12 and the air duct 113, so that the dust removal mode is completed.
When judging whether V2 is more than or equal to V < V1, if not, executing step S10, judging whether V < V2 is satisfied, if yes, step S11 is executed to issue a severe filth blockage alerting signal to the evaporator 12, and then step S11 is forcibly executed to execute a dust removal mode, namely, the condensation cooling mode is executed at the frequency f1 of the compressor of the outdoor unit and the rotation speed r1 of the fan 14 of the indoor unit, and the condensation cooling mode is operated for t1 time, so that the water vapor in the air is condensed in the cooling process to adsorb the dust on the evaporator 12 and the air duct 113, then the condensation heating mode is executed according to the frequency f2 of the compressor and the rotating speed r2 of the fan 14, and the condensation heating mode is operated for t2 time, so that condensation on the evaporator 12 and the air duct 113 is melted in the heating process, and the melted condensation water can clean the indoor evaporator 12 and the air duct 113, thereby completing the dust removal mode. And when judging whether V is less than V2, if not, executing step S18, and resetting the cumulative time delta T of the starting operation of the air conditioner and counting again, wherein the cumulative time delta T of the resetting is 1.
After the humidity of the air duct R is obtained by the humidity sensor 15, step S12 is executed to determine whether R2 ≧ R > R1 is satisfied, if yes, step S13 is executed to send out a light humidity prompting signal indicating that the air duct 113 is in the presence of a slight humidity, so that the user can select whether to enter the drying and dehumidifying mode, and when the air conditioner obtains information about the drying and dehumidifying mode, that is, step S14 is executed, which indicates that the user selects to enter the drying and dehumidifying mode when the air duct 113 has the slight humidity alert, step S15 is executed, the drying and dehumidifying mode is executed, that is, when the drying and dehumidifying mode is performed, the frequency of the compressor is f3, the rotation speed of the fan 14 is r3, and the drying and dehumidifying mode is that the heating running time of the air conditioner is t3, the frequency f3 of the compressor is greater than the frequency f1 of the compressor, the rotating speed r3 of the fan 14 is less than the rotating speed r1 of the fan 14, and the drying and dehumidifying mode running time t3 is less than the frosting and refrigerating mode running time t 1. Specifically, the frequency f3 of the compressor of the embodiment is between 60Hz and 70Hz, the rotating speed r3 of the fan 14 is between 800rpm and 900rpm, and the drying and dehumidifying mode operation time t3 is between 5min and 10 min.
When judging whether R2 is more than or equal to R and more than R1, if not, executing step S16, judging whether R is more than R2, if so, executing step S17, sending a signal for reminding that the air duct 113 has serious humidity, then forcibly executing step S15, and executing a drying and dehumidifying mode, namely, heating and running for t3 time at the frequency f3 of a compressor and the rotating speed R3 of a fan 14, so that the drying and dehumidifying operation is carried out on the evaporator 12 and the air duct 113, and the problems of bacterial breeding and mildew caused by the water drops left in the evaporator 12 and the air duct 113 are avoided. And when judging whether R is larger than R2, if not, executing step S18, and resetting the cumulative time delta T of the starting operation of the air conditioner and counting again, wherein the cumulative time delta T of the resetting is 1.
After the dust removal mode or the drying and dehumidifying mode is executed, step S18 is executed, the cumulative time Δ T of the air conditioner starting operation is cleared and re-timed, the re-timed cumulative time is Δ T1, step S19 is executed subsequently, whether the Δ T1 is equal to T2 and the air conditioner is in an idle state is judged, if yes, step S4 is executed, the windward speed V is obtained through the speed sensor 13, the air duct humidity R is obtained through the humidity sensor 15, and if not, step S18 is executed, and the cumulative time Δ T1 is continuously increased. The air conditioner is in an idle state, that is, the air conditioner is not in a cooling, heating or other operation mode state, and T2 is a second preset time, specifically, the second preset time T2 is a multiple of the first preset time T0, preferably, T2 is nxkxtt 0, n is 1, 2, 3, … …, and k is 5 to 10.
When step S20 is executed, the air conditioner stops operating, i.e., the air conditioner stops operating when turned off.
The self-cleaning control method of the air conditioner of the invention detects the windward speed V through the speed sensor 13 arranged at the windward side of the evaporator 12 close to the air inlet 111 to judge the dirty and blocked condition of the evaporator 12 of the indoor unit, meanwhile, the humidity sensor 15 arranged on the exhaust side of the evaporator 12 close to the air outlet 112 detects the humidity R of the air duct 113 to judge the humidity condition of the air duct 113, and cleans and dries the evaporator 12 and the air duct 113 by performing a dust removal mode and performing a drying and dehumidifying mode, when there is a slight filth blockage of the evaporator 12 and a slight humidity of the air duct 113, the user may cancel or determine to perform the dust removal mode and to perform the dry dehumidification mode, when the evaporator 12 is seriously dirty and blocked and the air duct 113 is seriously wet, the dust removal mode and the drying and dehumidifying mode are forcibly executed, so that the working energy consumption of the air conditioner can be reduced, and the air conditioner is energy-saving and environment-friendly.
Air conditioner embodiment:
the air conditioner comprises an indoor unit and an outdoor unit which are provided with circuit boards, wherein a processor and a memory are arranged on the circuit boards, a computer program which can run on the processor is stored in the memory, and each step of the self-cleaning control method of the air conditioner is realized when the processor executes the computer program.
For example, a computer program may be partitioned into one or more modules, stored in memory, and executed by a processor to implement the modules of the present invention. One or more of the modules may be a series of computer program instruction segments capable of performing certain functions, the instruction segments being used to describe the execution of the computer program in the terminal device.
The Processor may be a Central Processing Unit (CPU), or may be other general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, a discrete hardware component, or the like. The general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being the control center of the appliance and connected to the various parts of the overall appliance by various interfaces and lines.
The memory may be used to store computer programs and/or modules, and the processor may implement various functions of the appliance by operating or executing the computer programs and/or modules stored in the memory and calling data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function, and the like; the storage data area may store data created according to use of the appliance, and the like. In addition, the memory may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Computer-readable storage medium embodiments:
the computer program stored in the memory of the air conditioner may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, all or part of the processes in the method according to the embodiments of the present invention may also be implemented by a computer program instructing related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of the fool-proofing and error-proofing method for refrigerant perfusion quality of an air conditioner.
Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic diskette, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signal, telecommunications signal, software distribution medium, etc. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
The above embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the invention, so that equivalent changes or modifications made based on the structure, characteristics and principles of the invention as claimed should be included in the claims of the present invention.
Claims (15)
1. The air conditioner comprises an indoor unit and an outdoor unit, and is characterized in that the indoor unit comprises a shell, an evaporator and a speed sensor, wherein the shell is provided with an air inlet and an air outlet, the evaporator is arranged in the shell, and the speed sensor is arranged on the windward side of the evaporator close to the air inlet;
the self-cleaning control method of the air conditioner comprises the following steps: acquiring the accumulated time delta T of the starting operation of the air conditioner, and acquiring the windward speed V through the speed sensor if the delta T is more than T0; when the windward speed V is determined to meet a first preset condition, a dust removal mode is executed;
the dust removal mode comprises a condensation refrigeration mode and a condensation heating mode which are sequentially executed, when the condensation refrigeration mode is executed, the frequency of a compressor of the outdoor unit is f1, the rotating speed of a fan of the indoor unit is r1, and the running time of the condensation refrigeration mode is t 1;
when the condensation heating mode is executed, the frequency of the compressor is f2, the rotating speed of the fan is r2, and the operation time of the condensation heating mode is t 2;
the frequency f2 of the compressor is greater than the frequency f1 of the compressor, the rotating speed r2 of the fan is less than the rotating speed r1 of the fan, the condensation heating mode operating time T2 is less than the condensation cooling mode operating time T1, and T0 is a first preset time.
2. An air conditioner self-cleaning control method according to claim 1, characterized in that:
the first preset condition comprises the following steps: judging whether V is more than or equal to V2 and less than V1, if so, sending a slight filth blockage reminding signal of the evaporator, and executing a dust removal mode when acquiring information of the dust removal executing mode;
wherein V1 is the first predetermined speed, and V2 is the second predetermined speed.
3. The self-cleaning control method of an air conditioner according to claim 2, wherein:
the first preset condition further includes: and judging whether V is less than V2, if so, sending out a severe filth blockage reminding signal of the evaporator, and executing a dust removal mode.
4. The self-cleaning control method of an air conditioner according to claim 1, wherein:
the frequency f2 of the compressor is between 60Hz and 70 Hz;
and/or the rotating speed r2 of the fan is between 800rpm and 900 rpm;
and/or the operation time t2 of the condensation heating mode is between 5min and 10 min.
5. An air conditioner self-cleaning control method according to claim 1, characterized in that:
the frequency f1 of the compressor is between 50Hz and 60 Hz;
and/or the rotating speed r1 of the fan is between 900rpm and 1000 rpm;
and/or the condensation refrigeration mode operation time t1 is between 10min and 15 min.
6. The self-cleaning control method of an air conditioner according to any one of claims 1 to 5, wherein:
the indoor unit further comprises a humidity sensor, the humidity sensor is arranged on the air exhaust side of the evaporator close to the air outlet, and the humidity sensor is located in an air duct of the shell;
the self-cleaning control method of the air conditioner further comprises the following steps: when the condition that delta T is larger than T0 is determined, acquiring the air duct humidity R through the humidity sensor; when the air duct humidity R is determined to meet a second preset condition, a drying and dehumidifying mode is executed;
when the drying and dehumidifying mode is executed, the frequency of the compressor is f3, the rotating speed of the fan is r3, and the drying and dehumidifying mode is that the air conditioner heating operation time is t3, the frequency f3 of the compressor is greater than the frequency f1 of the compressor, the rotating speed r3 of the fan is less than the rotating speed r1 of the fan, and the drying and dehumidifying mode operation time t3 is less than the condensation and cooling mode operation time t 1.
7. An air conditioner self-cleaning control method according to claim 6, characterized in that:
the second preset condition includes: judging whether R2 is more than R1 or not, if so, sending a slight humidity reminding signal of the air duct, and executing a drying and dehumidifying mode when acquiring information of executing the drying and dehumidifying mode;
wherein, R1 is the first predetermined humidity, and R2 is the second predetermined humidity.
8. An air conditioner self-cleaning control method according to claim 7, characterized in that:
the second preset condition further includes: and judging whether R is more than R2, if so, sending out a serious humidity reminding signal of the air duct, and executing a drying and dehumidifying mode.
9. An air conditioner self-cleaning control method according to claim 6, characterized in that:
the frequency f3 of the compressor is between 60Hz and 70 Hz;
and/or the rotating speed r3 of the fan is between 800rpm and 900 rpm;
and/or the drying and dehumidifying mode running time t3 is between 5min and 10 min.
10. An air conditioner self-cleaning control method according to claim 6, characterized in that:
and simultaneously executing a dust removal mode when the windward speed V meets a first preset condition and the air duct humidity R meets a second preset condition.
11. An air conditioner self-cleaning control method according to claim 6, characterized in that:
and after the dust removal mode or the drying and dehumidifying mode is executed, resetting and re-timing the cumulative time delta T of the starting operation of the air conditioner, wherein the re-timed cumulative time delta T1.
12. The self-cleaning control method of an air conditioner according to claim 11, wherein:
determining that the delta T1 is equal to T2 and the air conditioner is in an idle state, acquiring a windward speed V through the speed sensor, and acquiring air duct humidity R through the humidity sensor;
wherein T2 is a second preset time.
13. An air conditioner self-cleaning control method according to claim 12, characterized in that:
the second preset time T2 is a multiple of the first preset time T0.
14. An air conditioner, comprising an indoor unit and an outdoor unit having a circuit board, wherein the circuit board is provided with a processor and a memory, the memory stores a computer program, and the computer program, when executed by the processor, implements the steps of the air conditioner self-cleaning control method according to any one of claims 1 to 13.
15. A computer-readable storage medium having stored thereon a computer program, characterized in that:
the computer program, when executed by a processor, implements the steps of the air conditioner self-cleaning control method of any one of the above claims 1 to 13.
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