CN116592497A - Air conditioner control method and device and air conditioner - Google Patents

Air conditioner control method and device and air conditioner Download PDF

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Publication number
CN116592497A
CN116592497A CN202310810011.5A CN202310810011A CN116592497A CN 116592497 A CN116592497 A CN 116592497A CN 202310810011 A CN202310810011 A CN 202310810011A CN 116592497 A CN116592497 A CN 116592497A
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CN
China
Prior art keywords
current
temperature
operating frequency
environment temperature
target
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310810011.5A
Other languages
Chinese (zh)
Inventor
车雯
冉明士
王喜成
刘永强
杨伟
孙伟佳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Original Assignee
Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gree Green Refrigeration Technology Center Co Ltd of Zhuhai filed Critical Gree Green Refrigeration Technology Center Co Ltd of Zhuhai
Priority to CN202310810011.5A priority Critical patent/CN116592497A/en
Publication of CN116592497A publication Critical patent/CN116592497A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a control method and device of an air conditioner and the air conditioner. Wherein the method comprises the following steps: acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner; then determining the exhaust temperature difference between the current exhaust temperature and the target exhaust temperature, and determining the coil temperature difference between the current coil temperature and the target coil temperature; then, the current running frequency of the compressor is adjusted according to the exhaust temperature difference and the coil temperature difference, and the current rotating speed of the inner fan is adjusted according to the exhaust temperature difference and the coil temperature difference; and then controlling the compressor to operate according to the adjusted current operating frequency, and controlling the inner fan to operate according to the adjusted current rotating speed. The invention solves the technical problems that the air conditioner in the related art is easy to be influenced by the installation space of the external machine under the high-temperature working condition, and the air conditioner has poor refrigerating effect due to poor heat dissipation under the conditions of narrow installation space and relatively closed environment of the external machine.

Description

Air conditioner control method and device and air conditioner
Technical Field
The invention relates to the technical field of household appliance control, in particular to a control method and device of an air conditioner and the air conditioner.
Background
In hot summer, extremely high temperature weather can appear in partial areas, and at the moment, the refrigerating demand is higher, the running time of the air conditioner is long, and the running load is heavy. However, the installation environments of the air conditioner external units are inconsistent, some air conditioner external units are narrow in installation space and relatively closed, so that the heat dissipation of the air conditioner is poor, the operation environment of the air conditioner external units is more severe in extreme high-temperature weather, the temperature range of the air conditioner normal operation is possibly approached or even exceeded, the refrigeration operation reliability of the air conditioner is poor, the refrigeration capacity is low, and even the air conditioner is stopped.
Aiming at the problems that in the related art, the air conditioner is easy to be influenced by the installation space under the high-temperature working condition, the heat dissipation is poor under the conditions that the installation space of the outer machine is narrow and the environment is relatively closed, and the refrigeration effect of the air conditioner is poor, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides a control method and device of an air conditioner and the air conditioner, which at least solve the technical problems that in the prior art, the air conditioner is easily affected by an installation space under the high-temperature working condition, and the air conditioner is poor in refrigeration effect due to poor heat dissipation under the conditions that the installation space of the outer machine is narrow and the environment is relatively closed.
According to an aspect of an embodiment of the present invention, there is provided a control method of an air conditioner, including: the acquisition step: acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed; determining: determining an exhaust temperature difference between the current exhaust temperature and a target exhaust temperature, and determining a coil temperature difference between the current coil temperature and the target coil temperature; and (3) adjusting: adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference; the control step: and controlling the compressor to run according to the adjusted current running frequency, and controlling the inner fan to run according to the adjusted current rotating speed.
Optionally, before the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner are obtained in the process that the compressor of the air conditioner operates according to the current operating frequency and the inner fan of the air conditioner operates according to the current rotating speed, the control method of the air conditioner further comprises: after receiving a starting signal of the air conditioner, acquiring the current indoor environment temperature and the current outdoor environment temperature of the area where the air conditioner is positioned; selecting a target initial operation frequency from an indoor and outdoor environment temperature-initial operation frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the indoor and outdoor environment temperature-initial operation frequency mapping relation table is used for recording initial operation frequencies of compressors of the air conditioner at different outdoor environment temperatures and indoor environment temperatures; and controlling the compressor to operate according to the target initial operating frequency.
Optionally, the control method of the air conditioner further includes: in the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency; and under the condition that the first time length reaches a first preset operation time length, acquiring the current operation frequency of the compressor and the current rotating speed of the inner fan.
Optionally, the preset outdoor environment temperature includes: a first preset outdoor ambient temperature and a second preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the first preset outdoor environment temperature and less than the second preset outdoor environment temperature is determined, comprises the following steps: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a first initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the first initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the first initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the first initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, the preset outdoor environment temperature includes: a second preset outdoor ambient temperature and a third preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the second preset outdoor environment temperature and less than the third preset outdoor environment temperature is determined, comprises the following steps: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a second initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the second initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the second initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the second initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, the preset outdoor environment temperature includes: third preset outdoor ambient temperature, preset indoor ambient temperature includes: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the third preset outdoor environment temperature and is less than the third preset outdoor environment temperature is determined, comprises the following steps: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a third initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the third initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the third initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the third initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, adjusting the current operating frequency of the compressor according to the discharge temperature difference and the coil temperature difference includes: when the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference, and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, the current operating frequency is increased to a first preset operating frequency; determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is determined to be not greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature from the coil temperature difference; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a second preset operating frequency.
Optionally, adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference, includes: determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is determined to be greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature from the coil temperature difference, while controlling the current rotational speed to decrease to a first predetermined rotational speed at a first predetermined rate; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a third preset operating frequency, and simultaneously controlling the current rotating speed to be reduced to a second preset rotating speed at a second preset speed.
Optionally, the control method of the air conditioner further includes: counting a second duration of operation of the compressor according to the adjusted current operating frequency and the inner fan according to the adjusted current rotating speed in the process of controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed; and repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length reaches a second preset operation time length.
Optionally, the determining step is repeatedly performed, including: controlling the target coil temperature to be reduced by a preset temperature value to obtain the updated target coil temperature, and simultaneously controlling the target exhaust temperature to be reduced by the preset temperature value to obtain the updated target exhaust temperature; and determining a latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature, and determining a latest coil temperature difference between the current coil temperature and the updated target coil temperature.
Optionally, the adjusting step is repeatedly performed, including: and when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest coil temperature difference, or when the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference, controlling the current rotating speed to be increased to the rotating speed of the inner fan after the air conditioner is started at a third preset speed.
According to another aspect of the embodiment of the present invention, there is also provided a control device for an air conditioner, including: the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed; a determining unit configured to determine an exhaust temperature difference between the current exhaust temperature and a target exhaust temperature, and determine a coil temperature difference between the current coil temperature and the target coil temperature; an adjusting unit for adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference; the control unit is used for controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed.
Optionally, the control device of the air conditioner further includes: the acquisition unit is further used for acquiring the current indoor environment temperature and the current outdoor environment temperature of the area where the air conditioner is located after receiving the starting signal of the air conditioner before acquiring the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner in the process that the compressor of the air conditioner operates according to the current operating frequency and the inner fan of the air conditioner operates according to the current rotating speed; a selecting unit, configured to select a target initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping table according to a magnitude relation between the current outdoor environment temperature and a preset outdoor environment temperature and a magnitude relation between the current indoor environment temperature and a preset indoor environment temperature, where the indoor and outdoor environment temperature-initial operating frequency mapping table is used to record initial operating frequencies of compressors of the air conditioner at different outdoor environment temperatures and indoor environment temperatures; the control unit is used for controlling the compressor to operate according to the target initial operating frequency.
Optionally, the control device of the air conditioner further includes: in the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency; and under the condition that the first time length reaches a first preset operation time length, acquiring the current operation frequency of the compressor and the current rotating speed of the inner fan.
Optionally, the preset outdoor environment temperature includes: a first preset outdoor ambient temperature and a second preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, when it is determined that the current outdoor environment temperature is not less than the first preset outdoor environment temperature and less than the second preset outdoor environment temperature, the selecting unit includes: the first selection module is used for selecting a first initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is not larger than the first preset indoor environment temperature; the second selection module is used for selecting the sum of the first initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature; the third selection module is used for selecting the sum of the first initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature; and a fourth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the third preset indoor environment temperature, a sum of the first initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency.
Optionally, the preset outdoor environment temperature includes: a second preset outdoor ambient temperature and a third preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, when it is determined that the current outdoor environment temperature is not less than the second preset outdoor environment temperature and less than the third preset outdoor environment temperature, the selecting unit includes: a fifth selecting module, configured to select a second initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency when it is determined that the current indoor environment temperature is not greater than the first preset indoor environment temperature; a sixth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the first preset indoor environment temperature, a sum of the second initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency; a seventh selecting module, configured to select, when it is determined that the current indoor environment temperature is greater than the second preset indoor environment temperature, a sum of the second initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping table as the target initial operating frequency; and an eighth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the third preset indoor environment temperature, a sum of the second initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping table as the target initial operating frequency.
Optionally, the preset outdoor environment temperature includes: third preset outdoor ambient temperature, preset indoor ambient temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, and the selection unit includes: a ninth selection module, configured to select a third initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency when it is determined that the current indoor environment temperature is not greater than the first preset indoor environment temperature; a tenth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the first preset indoor environment temperature, a sum of the third initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency; an eleventh selecting module, configured to select, when it is determined that the current indoor environment temperature is greater than the second preset indoor environment temperature, a sum of the third initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping table as the target initial operating frequency; and a twelfth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the third preset indoor environment temperature, a sum of the third initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency.
Optionally, the adjusting unit includes: a first adjustment module configured to increase the current operating frequency to a first predetermined operating frequency when the current exhaust temperature is determined to be less than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature based on the coil temperature difference; a second adjustment module for determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is determined to be not greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature from the coil temperature difference; and a third adjustment module configured to reduce the current operating frequency to a second predetermined operating frequency when the current exhaust temperature is determined to be greater than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature based on the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature based on the coil temperature difference.
Optionally, the adjusting unit includes: a fourth adjustment module configured to determine that adjustment of the current operating frequency is not required when the current exhaust temperature is determined to be greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature from the coil temperature difference, while controlling the current rotational speed to decrease to a first predetermined rotational speed at a first predetermined rate; and a fifth adjustment module configured to reduce the current operating frequency to a third predetermined operating frequency while controlling the current rotational speed to be reduced to a second predetermined rotational speed at a second predetermined rate when the current exhaust temperature is determined to be greater than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature based on the coil temperature difference.
Optionally, the control device of the air conditioner further includes: the statistics unit is used for counting a second duration of operation of the compressor according to the adjusted current operation frequency and the inner fan according to the adjusted current rotation speed in the process of controlling the compressor to operate according to the adjusted current operation frequency and controlling the inner fan to operate according to the adjusted current rotation speed; and the execution unit is used for repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length reaches a second preset operation time length.
Optionally, the execution unit includes: a first control module configured to control the target coil temperature to decrease by a predetermined temperature value to obtain an updated target coil temperature, and simultaneously control the target exhaust temperature to decrease by the predetermined temperature value to obtain an updated target exhaust temperature; and the determining module is used for determining the latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature and determining the latest coil temperature difference between the current coil temperature and the updated target coil temperature.
Optionally, the execution unit includes: and the second control module is used for controlling the current rotating speed to be increased to the rotating speed of the inner fan after the air conditioner is started at a third preset speed when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest exhaust temperature difference or the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference.
According to another aspect of the embodiment of the present invention, there is also provided an air conditioner using the control method of any one of the above air conditioners.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program executes the control method of the air conditioner of any one of the above.
According to another aspect of the embodiment of the present invention, there is provided a processor for executing a program, wherein the program executes the control method of the air conditioner according to any one of the above.
In the embodiment of the invention, in the running process of the air conditioner, the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner can be obtained through the obtaining step in the running process of a compressor of the air conditioner according to the current running frequency and an inner fan of the air conditioner according to the current rotating speed; then, determining an exhaust temperature difference between the current exhaust temperature and the target exhaust temperature through the determining step, and determining a coil temperature difference between the current coil temperature and the target coil temperature; then, the current running frequency of the compressor is adjusted according to the exhaust temperature difference and the coil temperature difference through an adjusting step, and the current rotating speed of the inner fan is adjusted according to the exhaust temperature difference and the coil temperature difference; the control step is used for controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed, and the technical scheme provided by the invention realizes the purpose that the operating frequency of the compressor of the air conditioner and the rotating speed of the indoor fan of the air conditioner are controlled through the exhaust temperature of the air conditioner and the coil temperature of the outdoor unit, so that the air conditioner can reliably operate under a high-temperature working condition, the reliability of the air conditioner is improved, a user can normally experience the refrigerating effect of the air conditioner under the high-temperature weather, the user experience is further improved, the problem that the outer machine is easily affected by the installation space under the high-temperature working condition in the prior art, the heat dissipation is poor under the conditions that the installation space of the outer machine is narrow and the environment is relatively closed, and the refrigerating effect of the air conditioner is poor is caused is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings:
fig. 1 is a block diagram of a hardware configuration of a mobile terminal of a control method of an air conditioner according to an embodiment of the present application;
fig. 2 is a flowchart of a control method of an air conditioner according to an embodiment of the present application;
fig. 3 is a flowchart of an alternative control method of an air conditioner according to an embodiment of the present application;
FIG. 4 is a flow chart of a manner of selecting a target initial operating frequency according to an embodiment of the application;
FIG. 5 is a flow chart of an alternative manner of selecting a target initial operating frequency according to an embodiment of the application;
FIG. 6 is a flow chart of a further alternative manner of selecting a target initial operating frequency in accordance with an embodiment of the present application;
fig. 7 is a flowchart of another alternative control method of an air conditioner according to an embodiment of the present application;
fig. 8 is a flowchart of another alternative control method of an air conditioner according to an embodiment of the present application;
fig. 9 is a schematic view of a control device of an air conditioner according to an embodiment of the present application.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
As described in the background art, in the related art, under the high temperature working condition, the outdoor unit is easily affected by the installation space, and the heat dissipation is poor under the conditions that the installation space of the outdoor unit is narrow and the environment is relatively closed, so that the defect of poor refrigerating effect of the air conditioner can be caused. Embodiments of the invention provide a control method and device for an air conditioner, the air conditioner, a computer readable storage medium and a processor.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The method embodiments provided in the embodiments of the present invention may be performed in a mobile terminal, a computer terminal or similar computing device. Taking the mobile terminal as an example, fig. 1 is a block diagram of a hardware structure of the mobile terminal according to a control method of an air conditioner according to an embodiment of the present invention. As shown in fig. 1, a mobile terminal may include one or more (only one is shown in fig. 1) processors 102 (the processor 102 may include, but is not limited to, a microprocessor MCU or a processing device such as a programmable logic device FPGA) and a memory 104 for storing data, wherein the mobile terminal may also include a transmission device 106 for communication functions and an input-output device 108. It will be appreciated by those skilled in the art that the structure shown in fig. 1 is merely illustrative and not limiting of the structure of the mobile terminal described above. For example, the mobile terminal may also include more or fewer components than shown in fig. 1, or have a different configuration than shown in fig. 1.
The memory 104 may be used to store a computer program, for example, a software program of application software and a module, such as a computer program corresponding to a control method of an air conditioner in an embodiment of the present invention, and the processor 102 executes the computer program stored in the memory 104 to perform various functional applications and data processing, that is, to implement the above-mentioned method. Memory 104 may include high-speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory remotely located relative to the processor 102, which may be connected to the mobile terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof. The transmission device 106 is used to receive or transmit data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a network adapter (Network Interface Controller, simply referred to as NIC) that can connect to other network devices through a base station to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is configured to communicate with the internet wirelessly.
According to an embodiment of the present invention, there is provided a method embodiment of a control method of an air conditioner, it should be noted that the steps shown in the flowchart of the drawings may be performed in a computer system such as a set of computer executable instructions, and that although a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in an order different from that herein.
Fig. 2 is a flowchart of a control method of an air conditioner according to an embodiment of the present invention, as shown in fig. 2, the method including the steps of:
step S202, an acquisition step: and acquiring the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner in the process that the compressor of the air conditioner operates according to the current operating frequency and the inner fan of the air conditioner operates according to the current rotating speed.
In the embodiment, in the running process of the air conditioner, the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner can be obtained and used for adjusting the running parameters of the air conditioner subsequently, so that the air conditioner is suitable for a high-temperature working condition and can reliably run under the high-temperature working condition.
Step S204, determining: an exhaust temperature difference between the current exhaust temperature and the target exhaust temperature is determined, and a coil temperature difference between the current coil temperature and the target coil temperature is determined.
In this embodiment, a target discharge temperature and a target coil temperature may be obtained to compare the current discharge temperature to the target mock discharge temperature, and the current coil temperature to the target coil temperature to determine the operating parameters of the air conditioner.
Step S206, an adjusting step: and adjusting the current running frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotating speed of the inner fan according to the exhaust temperature difference and the coil temperature difference.
In this embodiment, when the exhaust temperature difference and the coil temperature difference determine that the current operating frequency of the compressor or the current rotational speed of the inner fan needs to be adjusted, the current operating frequency of the compressor may be adjusted according to the exhaust temperature difference and the coil temperature difference, and the current rotational speed of the inner fan may be adjusted according to the exhaust temperature difference and the coil temperature difference, so that the adjusted operating frequency and the current rotational speed may adapt the air conditioner to the current working condition.
Step S208, a control step: the compressor is controlled to operate according to the adjusted current operating frequency, and the inner fan is controlled to operate according to the adjusted current rotating speed.
It can be known from the above that, in the embodiment of the present invention, in the operation process of the air conditioner, the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner can be obtained by the obtaining step in the operation process of the compressor of the air conditioner according to the current operation frequency and the inner fan of the air conditioner according to the current rotation speed; then, determining an exhaust temperature difference between the current exhaust temperature and the target exhaust temperature through the determining step, and determining a coil temperature difference between the current coil temperature and the target coil temperature; then, the current running frequency of the compressor is adjusted according to the exhaust temperature difference and the coil temperature difference through an adjusting step, and the current rotating speed of the inner fan is adjusted according to the exhaust temperature difference and the coil temperature difference; the compressor is controlled to operate according to the adjusted current operating frequency through the control step, and the inner fan is controlled to operate according to the adjusted current rotating speed, so that the operating frequency of the compressor of the air conditioner and the rotating speed of the indoor fan of the air conditioner are controlled through the exhaust temperature of the air conditioner and the temperature of the coil pipe of the outdoor unit, the air conditioner can reliably operate under the high-temperature working condition, the reliability of the air conditioner is improved, the refrigerating effect of the air conditioner can be normally experienced by a user in high-temperature weather, and the user experience is further improved.
It is easy to note that in the embodiment of the invention, the current exhaust temperature and the current coil temperature of the air conditioner can be collected by setting the target exhaust temperature and the target coil temperature in the running process of the air conditioner, so that the running frequency of the compressor of the air conditioner and the coil temperature of the inner fan can be compensated according to the magnitude relation between the target exhaust temperature and the target coil temperature and the current exhaust temperature and the current coil temperature, the air conditioner can have a normal refrigerating effect under the high-temperature working condition, and the influence of the installation space on the air conditioner is reduced to a certain extent.
Therefore, by the technical scheme provided by the embodiment of the invention, the technical problems that the air conditioner in the related art is easy to be influenced by the installation space under the high-temperature working condition, the heat dissipation is poor under the conditions that the installation space of the external machine is narrow and the environment is relatively closed, and the refrigeration effect of the air conditioner is poor are solved.
According to the above embodiment of the present invention, before the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner are obtained in the process that the compressor of the air conditioner operates at the current operating frequency and the inner fan of the air conditioner operates at the current rotational speed, the control method of the air conditioner may further include: after receiving a starting signal of an air conditioner, acquiring the current indoor environment temperature and the current outdoor environment temperature of the area where the air conditioner is positioned; selecting a target initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the indoor and outdoor environment temperature-initial operating frequency mapping relation table is used for recording the initial operating frequencies of compressors of air conditioners at different outdoor environment temperatures and indoor environment temperatures; the compressor is controlled to operate at a target initial operating frequency.
The control method of the air conditioner provided by the embodiment of the invention can ensure that the air conditioner can reliably run under the high-temperature working condition, meets the requirement of refrigerating the air conditioner under the high-temperature condition, and when the outdoor environment temperature is higher than 50 ℃, the specific control flow is shown in the figure 3, and the figure 3 is a flow chart of the control method of the air conditioner according to the embodiment of the invention, and when the user needs to start the air conditioner, a signal for starting the air conditioner is received, namely, the air conditioner receives a starting signal; the current indoor environment temperature and the current outdoor environment temperature of the indoor of the air conditioner are detected, and accordingly the initial operation frequency of the compressor of the air conditioner is selected according to the magnitude relation between the current indoor environment temperature and the current outdoor environment temperature and the preset indoor environment temperature respectively.
In this embodiment, a mapping relationship table of indoor and outdoor environment temperature and initial operating frequency may be established through experimental data, and in a subsequent application process, the indoor and outdoor environment temperature of the air conditioner may be collected, so that the target initial operating frequency is selected from the pre-constructed indoor and outdoor environment temperature-initial operating frequency mapping relationship table according to the indoor and outdoor environment temperature of the air conditioner.
According to the above embodiment of the present invention, the control method of the air conditioner further includes: in the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency; and under the condition that the first time length reaches the first preset operation time length, acquiring the current operation frequency of the compressor and the current rotation speed of the inner fan.
In this embodiment, during the process of controlling the compressor to operate according to the target initial operating frequency, a first time period during which the compressor operates according to the target initial operating frequency is counted, and when the first time period reaches a first preset time period, the current operating frequency of the compressor and the current rotational speed of the inner fan are obtained.
As shown in fig. 3, the initial operation frequency F of the compressor is selected according to the indoor and outdoor environment temperature 0 By F 0 Run t 1 min。
In an embodiment of the present invention, the preset outdoor environment temperature may include: the first preset outdoor environment temperature and the second preset outdoor environment temperature, the preset indoor environment temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, under the condition that the current outdoor environment temperature is not less than the first preset outdoor environment temperature and less than the second preset outdoor environment temperature, selecting a target initial operation frequency from an indoor and outdoor environment temperature-initial operation frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the method comprises the steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a first initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be larger than the first preset indoor environment temperature, selecting the sum of the first initial operating frequency and the first frequency compensation value from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the first initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the first initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
In this embodiment, the preset outdoor ambient temperature may include a first preset outdoor ambient temperature T Outer ring 1 And a second preset outdoor ambient temperature T Outer ring 2 . The preset indoor ambient temperature may include: first preset indoor ambient temperature T Inner ring 1 A second preset indoor environment temperature T Inner ring 2 And a third preset indoor ambient temperature T Inner ring 3 . Here, the current outdoor ambient temperature T can be determined first Outer ring And a first preset outdoor environment temperature T Outer ring 1 And a second preset outdoor ambient temperature T Outer ring 2 Magnitude relation between the two. At T Outer ring 1 ≤T Outer ring ＜T Outer ring 2 When the current indoor environment temperature and the initial frequency F 0 (i.e., initial operating frequency) satisfies the relationship corresponding to table 1.
TABLE 1
FIG. 4 is a flow chart of a selection of target initial operating frequencies according to an embodiment of the invention, as shown in FIG. 4, the indoor and outdoor ambient temperatures are detected first, at T Outer ring 1 ≤T Outer ring ＜T Outer ring 2 If T Inner ring ≤T Inner ring 1 The compressor of the air conditioner is F 1 Run t 1 min; if T Inner ring 1 ＜T Inner ring ≤T Inner ring 2 The compressor of the air conditioner is F 1 +ΔF 1 Run t 1 min; if T Inner ring 2 ＜T Inner ring ≤T Inner ring 3 The compressor of the air conditioner is F 1 +ΔF 2 Run t 1 min; if T Inner ring 3 ＜T Inner ring The compressor of the air conditioner is F 1 +ΔF 3 Run t 1 min。
In an embodiment of the present invention, the preset outdoor environment temperature includes: the second preset outdoor environment temperature and the third preset outdoor environment temperature, the preset indoor environment temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, under the condition that the current outdoor environment temperature is not less than the second preset outdoor environment temperature and less than the third preset outdoor environment temperature, selecting a target initial operation frequency from an indoor and outdoor environment temperature-initial operation frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the method comprises the steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a second initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the second initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the second initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the second initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
In this embodiment, the preset outdoor ambient temperature may include a second preset outdoor ambient temperature T Outer ring 2 And a third preset outdoor ambient temperature T Outer ring 3 . The preset indoor environment temperature also comprises: first preset indoor ambient temperature T Inner ring 1 A second preset indoor environment temperature T Inner ring 2 And a third preset indoor ambient temperature T Inner ring 3 . Here, the current outdoor ambient temperature T can be determined first Outer ring And a first preset outdoor environment temperature T Outer ring 1 And a second preset outdoor ambient temperature T Outer ring 2 Magnitude relation between the two. At T Outer ring 2 ≤T Outer ring ＜T Outer ring 3 When the current indoor environment temperature and the initial frequency F 0 (i.e., the initial operating frequency) satisfies the correspondence of table 2.
TABLE 2
FIG. 5 is a flow chart of an alternative manner of selecting a target initial operating frequency according to an embodiment of the invention, as shown in FIG. 5, the indoor and outdoor ambient temperatures are detected first, T Outer ring 2 ≤T Outer ring ＜T Outer ring 3 If T Inner ring ≤T Inner ring 1 The compressor of the air conditioner is F 2 Run t 1 min; at T Inner ring 1 ＜T Inner ring ≤T Inner ring 2 When the air conditioner is started, the compressor of the air conditioner is started by F 2 +ΔF 1 Run t 1 min; at T Inner ring 2 ＜T Inner ring ≤T Inner ring 3 When the air conditioner is started, the compressor of the air conditioner is started by F 2 +ΔF 2 Run t 1 min; at T Inner ring 3 ＜T Inner ring When the air conditioner is started, the compressor of the air conditioner is started by F 2 +ΔF 3 Run t 1 min。
In an embodiment of the present invention, the preset outdoor environment temperature may include: third preset outdoor ambient temperature, preset indoor ambient temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, under the condition that the current outdoor environment temperature is not less than the third preset outdoor environment temperature and is less than the third preset outdoor environment temperature, selecting a target initial operation frequency from an indoor and outdoor environment temperature-initial operation frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the method comprises the following steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a third initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the third initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the third initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the third initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
In this embodiment, the preset outdoor ambient temperature may include a third preset outdoor ambient temperature T Outer ring 3 . The preset indoor environment temperature also comprises: first preset indoor ambient temperature T Inner ring 1 A second preset indoor environment temperature T Inner ring 2 And a third preset indoor ambient temperature T Inner ring 3 . Here, the current outdoor ambient temperature T can be determined first Outer ring And a first preset outdoor environment temperature T Outer ring 1 And a second preset outdoor ambient temperature T Outer ring 2 Magnitude relation between the two. At T Outer ring 3 ≤T Outer ring When the current indoor environment temperature and the initial frequency F 0 (i.e., the initial operating frequency) satisfies the relationship corresponding to table 3.
TABLE 3 Table 3
FIG. 6 is a flow chart of a further alternative method of selecting a target initial operating frequency according to an embodiment of the invention, as shown in FIG. 6, where the indoor and outdoor ambient temperatures are detected first, at T Outer ring 3 ≤T Outer ring If T Inner ring ≤T Inner ring 1 The compressor of the air conditioner is F 3 Run t 1 min; if T Inner ring 1 ＜T Inner ring ≤T Inner ring 2 The compressor of the air conditioner is F 3 +ΔF 1 Run t 1 min; if T Inner ring 2 ＜T Inner ring ≤T Inner ring 3 The compressor of the air conditioner is F 3 +ΔF 2 Run t 1 min; at T Inner ring 3 ＜T Inner ring When in use, thenCompressor of air conditioner F 3 +ΔF 3 Run t 1 min。
As can be seen from the above, in the embodiment of the present invention, the outdoor ambient temperature and the indoor ambient temperature both affect the operation frequency of the compressor after the air conditioner is started. According to the technical scheme provided by the embodiment of the invention, the initial operation frequency matched with the current indoor environment temperature and the current outdoor environment can be accurately selected, so that the air conditioner can be operated in a reasonable mode.
According to the above embodiment of the present invention, adjusting the current operating frequency of the compressor according to the discharge temperature difference and the coil temperature difference includes: when the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference, and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, the current operating frequency is increased to a first preset operating frequency; when the current exhaust temperature is determined to be not greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature according to the coil temperature difference, determining that the current running frequency is not required to be adjusted; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a second preset operating frequency.
In this embodiment, the control of the frequency and indoor fan is performed based on the exhaust temperature difference and the coil temperature difference.
FIG. 7 is a flowchart of another alternative control method of an air conditioner according to an embodiment of the present invention, as shown in FIG. 7, detecting an exhaust temperature of the air conditioner and a coil temperature of an outdoor heat exchanger first, and then calculating differences between the exhaust temperature and the outdoor coil temperature and a target exhaust temperature and a target outdoor coil temperature, respectively; that is, the current discharge temperature and the outdoor heat exchanger coil temperature are detected, the difference between the discharge temperature and the outdoor coil temperature and the target discharge temperature and the target outdoor coil temperature is calculated, and the control of the frequency and the indoor fan is performed.
Wherein, if T Exhaust gas ＜T Target exhaust ，T Outer tube ＜T Target outer tube The frequency is raised; if T Exhaust gas ≤T Target exhaust ，T Outer tube ＝T Target outer tube Or T Exhaust gas ＝T Target exhaust ，T Outer tube ≤T Target outer tube At a frequency F 0 Continuing to operate; if T Exhaust gas ＞T Target exhaust ，T Outer tube ＝T Target outer tube Or T Exhaust gas ＝T Target exhaust ，T Outer tube ＞T Target outer tube The frequency is reduced.
Further, in an embodiment of the present invention, adjusting a current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting a current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference includes: when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, determining that the current operating frequency is not required to be adjusted, and simultaneously controlling the current rotating speed to be reduced to a first preset rotating speed at a first preset speed; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a third preset operating frequency, and simultaneously controlling the current rotating speed to be reduced to a second preset rotating speed at a second preset speed.
In this embodiment, the control of the frequency and indoor fan is also performed based on the exhaust temperature difference and the coil temperature difference.
As shown in fig. 7, if T Exhaust gas ＞T Target exhaust ，T Outer tube ＜T Target outer tube Or T Exhaust gas ＜T Target rowAir flow ，T Outer tube ＞T Target outer tube At a frequency F 0 Continuing to run, and reducing the rotating speed of the indoor fan at 50rpm/min until R Inward rotation min The method comprises the steps of carrying out a first treatment on the surface of the If T Exhaust gas ＞T Target exhaust ，T Outer tube ＞T Target outer tube The frequency is reduced, and the rotation speed of the indoor fan is reduced at 50rpm/min until R Inward rotation min 。
According to the above embodiment of the present invention, the control method of an air conditioner may further include: in the process of controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed, counting a second duration of the compressor operating according to the adjusted current operating frequency and the inner fan operating according to the adjusted current rotating speed; and repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length reaches the second preset operation time length.
In this embodiment, during the operation of the compressor of the air conditioner according to the adjusted current operating frequency and the operation of the inner fan according to the adjusted current rotational speed, the second time period t during which the compressor is operated according to the adjusted current operating frequency and the inner fan is operated according to the adjusted current rotational speed is counted 2 And (5) min. And after t2min reaches the preset operation time, continuously detecting the current exhaust temperature and the temperature of the coil pipe of the outdoor heat exchanger, calculating the difference value between the exhaust temperature and the temperature of the outdoor coil pipe and the target exhaust temperature and the target temperature of the outdoor coil pipe, and executing the control of the frequency and the indoor fan.
In the above embodiment, the determining step is repeatedly performed, including: the target coil temperature is controlled to be reduced by a preset temperature value to obtain updated target coil temperature, and meanwhile, the target exhaust temperature is controlled to be reduced by the preset temperature value to obtain updated target exhaust temperature; a latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature is determined, and a latest coil temperature difference between the current coil temperature and the updated target coil temperature is determined.
That is, in the embodiment of the present invention, as the operation duration of the air conditioner increases, in the process of calculating the difference between the discharge temperature and the outdoor coil temperature and the target discharge temperature and the target outdoor coil temperature, and performing the control of the frequency and the indoor fan according to the difference, the comparison object of the discharge temperature and the coil temperature is continuously changed, so that the adjustment of the operation parameters of the air conditioner is more reasonable, and the air conditioner is more energy-saving.
In an embodiment of the present invention, the adjusting step is repeatedly performed, including: and when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest coil temperature difference, or when the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference, controlling the current rotating speed to rise to the rotating speed of the inner fan after the air conditioner is started at a third preset speed.
That is, if T Exhaust gas ＜T Target exhaust -2，T Outer tube ＝T Target outer tube -2, or T Exhaust gas ＝T Target exhaust -2，T Outer tube ＜T Target outer tube -2, increasing the rotation speed of the indoor fan at 30rpm/min to the maximum rotation speed R of the indoor fan after starting 0 The method comprises the steps of carrying out a first treatment on the surface of the If T Exhaust gas ＜T Target exhaust -4，T Outer tube ＜T Target outer tube -4, raising the frequency, raising the indoor fan rotation speed at 30rpm/min, and raising the indoor fan rotation speed to the maximum of the indoor fan rotation speed R after starting 0 . And operating t at the current frequency and the rotating speed of the inner fan 3 And (5) min. Operating t in air conditioner 3 After the min, the above-mentioned obtaining step, determining step, adjusting step and controlling step are continuously performed to ensure the refrigerating effect of the air conditioner.
FIG. 8 is a flowchart of another alternative control method of an air conditioner according to an embodiment of the present application, as shown in FIG. 8, detecting a current discharge temperature and an outdoor heat exchanger coil temperature, calculating differences between the discharge temperature and the outdoor coil temperature and a target discharge temperature and a target outdoor coil temperature, performing frequency and indoor fan control; if T Exhaust gas ＜T Target exhaust -2，T Outer tube ＝T Target outer tube -2, orT Exhaust gas ＝T Target exhaust -2，T Outer tube ＜T Target outer tube -2, increasing the rotation speed of the indoor fan at 30rpm/min to the maximum rotation speed R of the indoor fan after starting 0 The method comprises the steps of carrying out a first treatment on the surface of the If T Exhaust gas ＜T Target exhaust -4，T Outer tube ＜T Target outer tube -4, raising the frequency, raising the indoor fan rotation speed at 30rpm/min, and raising the indoor fan rotation speed to the maximum of the indoor fan rotation speed R after starting 0 The method comprises the steps of carrying out a first treatment on the surface of the Operating t at current frequency and inner fan rotation speed 3 min。
In summary, by the control method of the air conditioner provided by the embodiment of the application, the air conditioner can reliably operate under the high-temperature working condition by adjusting the temperature control frequency of the exhaust air and the outdoor coil pipe and the rotating speed of the indoor fan, the requirement of the air conditioner on refrigeration under the high-temperature condition is met, the user can normally experience the refrigeration effect of the air conditioner under the high-temperature working condition, and the refrigeration comfort of the user is improved.
It should be noted that, for simplicity of description, the foregoing method embodiments are all described as a series of acts, but it should be understood by those skilled in the art that the present application is not limited by the order of acts described, as some steps may be performed in other orders or concurrently in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present application.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method according to the embodiments of the present application.
According to an embodiment of the present application, there is also provided a control device of an air conditioner for implementing the control method of an air conditioner, and fig. 9 is a schematic diagram of the control device of an air conditioner according to an embodiment of the present application, as shown in fig. 9, the control device of an air conditioner includes: an acquisition unit 91, a determination unit 93, an adjustment unit 95, and a control unit 97. The control device of the air conditioner will be described below.
And the obtaining unit 91 is configured to obtain a current exhaust temperature of the air conditioner and a current coil temperature of an outdoor heat exchanger of the air conditioner during operation of the compressor of the air conditioner according to a current operation frequency and the inner fan of the air conditioner according to a current rotation speed.
And a determining unit 93 for determining an exhaust temperature difference between the current exhaust temperature and the target exhaust temperature and determining a coil temperature difference between the current coil temperature and the target coil temperature.
And the adjusting unit 95 is used for adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference and adjusting the current rotating speed of the inner fan according to the exhaust temperature difference and the coil temperature difference.
And the control unit 97 is used for controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed.
Here, the above-described obtaining unit 91, determining unit 93, adjusting unit 95, and control unit 97 correspond to steps S202 to S208 in the above-described embodiments, and the four units are the same as the examples and application scenarios implemented by the corresponding steps, but are not limited to those disclosed in the above-described embodiments.
As can be seen from the above, in the solution described in the above embodiment of the present invention, the obtaining unit may be configured to obtain the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner in the process that the compressor of the air conditioner is operated according to the current operating frequency and the inner fan of the air conditioner is operated according to the current rotational speed; then, determining the exhaust temperature difference between the current exhaust temperature and the target exhaust temperature by using a determining unit, and determining the coil temperature difference between the current coil temperature and the target coil temperature; then, the current running frequency of the compressor is adjusted by utilizing an adjusting unit according to the exhaust temperature difference and the coil temperature difference, and the current rotating speed of the inner fan is adjusted according to the exhaust temperature difference and the coil temperature difference; the control unit is used for controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed, so that the operating frequency of the compressor of the air conditioner and the rotating speed of the indoor fan of the air conditioner are controlled through the exhaust temperature of the air conditioner and the temperature of the coil pipe of the outdoor unit, the air conditioner can reliably operate under the high-temperature working condition, the reliability of the air conditioner is improved, a user can normally experience the refrigerating effect of the air conditioner under the high-temperature weather, and the user experience is further improved.
It is easy to note that in the embodiment of the invention, the current exhaust temperature and the current coil temperature of the air conditioner can be collected by setting the target exhaust temperature and the target coil temperature in the running process of the air conditioner, so that the running frequency of the compressor of the air conditioner and the coil temperature of the inner fan can be compensated according to the magnitude relation between the target exhaust temperature and the target coil temperature and the current exhaust temperature and the current coil temperature, the air conditioner can have a normal refrigerating effect under the high-temperature working condition, and the influence of the installation space on the air conditioner is reduced to a certain extent.
Therefore, by the technical scheme provided by the embodiment of the invention, the technical problems that the air conditioner in the related art is easy to be influenced by the installation space under the high-temperature working condition, the heat dissipation is poor under the conditions that the installation space of the external machine is narrow and the environment is relatively closed, and the refrigeration effect of the air conditioner is poor are solved.
Optionally, the control device of the air conditioner further includes: the acquisition unit is also used for acquiring the current indoor environment temperature and the current outdoor environment temperature of the area where the air conditioner is positioned after receiving the starting signal of the air conditioner before acquiring the current exhaust temperature of the air conditioner and the current coil temperature of the outdoor heat exchanger of the air conditioner in the process that the compressor of the air conditioner operates according to the current operating frequency and the inner fan of the air conditioner operates according to the current rotating speed; the indoor and outdoor environment temperature-initial operation frequency mapping relation table is used for recording initial operation frequencies of compressors of the air conditioner under different outdoor environment temperatures and indoor environment temperatures; and the control unit is used for controlling the compressor to operate according to the target initial operating frequency.
Optionally, the control device of the air conditioner further includes: in the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency; and under the condition that the first time length reaches the first preset operation time length, acquiring the current operation frequency of the compressor and the current rotation speed of the inner fan.
Optionally, the preset outdoor ambient temperature includes: the first preset outdoor environment temperature and the second preset outdoor environment temperature, the preset indoor environment temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, and under the condition that the current outdoor environment temperature is not less than the first preset outdoor environment temperature and less than the second preset outdoor environment temperature, the selecting unit comprises: the first selection module is used for selecting a first initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency when the current indoor environment temperature is not more than a first preset indoor environment temperature; the second selection module is used for selecting the sum of the first initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature; the third selection module is used for selecting the sum of the first initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature; and the fourth selection module is used for selecting the sum of the first initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature.
Optionally, the preset outdoor ambient temperature includes: the second preset outdoor environment temperature and the third preset outdoor environment temperature, the preset indoor environment temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, and the selecting unit includes: a fifth selecting module, configured to select a second initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as a target initial operating frequency when it is determined that the current indoor environment temperature is not greater than the first preset indoor environment temperature; a sixth selecting module, configured to select, when it is determined that the current indoor environment temperature is greater than the first preset indoor environment temperature, a sum of the second initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as a target initial operating frequency; a seventh selecting module, configured to select, when it is determined that the current indoor environment temperature is greater than the second preset indoor environment temperature, a sum of the second initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency; and the eighth selection module is used for selecting the sum of the second initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature.
Optionally, the preset outdoor ambient temperature includes: third preset outdoor ambient temperature, preset indoor ambient temperature includes: the first preset indoor environment temperature, the second preset indoor environment temperature and the third preset indoor environment temperature, and the selecting unit includes: a ninth selecting module, configured to select a third initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as a target initial operating frequency when it is determined that the current indoor environment temperature is not greater than the first preset indoor environment temperature; a tenth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the first preset indoor environment temperature, a sum of the third initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency; the eleventh selecting module is used for selecting the sum of the third initial operating frequency and the second frequency compensation value from the mapping relation table of the indoor and outdoor environment temperature and the initial operating frequency as the target initial operating frequency when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature; and a twelfth selection module, configured to select, when it is determined that the current indoor environment temperature is greater than the third preset indoor environment temperature, a sum of the third initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relationship table as the target initial operating frequency.
Optionally, the adjusting unit includes: the first adjusting module is used for increasing the current operating frequency to a first preset operating frequency when the current exhaust temperature is determined to be smaller than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be smaller than the target coil temperature according to the coil temperature difference; the second adjusting module is used for determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is not greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference or when the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature according to the coil temperature difference; and the third adjusting module is used for reducing the current operating frequency to the second preset operating frequency when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference or the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference.
Optionally, the adjusting unit includes: a fourth adjustment module configured to determine that adjustment of the current operating frequency is not required when the current exhaust temperature is determined to be greater than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature based on the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature based on the coil temperature difference, while controlling the current rotational speed to decrease to a first predetermined rotational speed at a first predetermined rate; and a fifth adjusting module for reducing the current operating frequency to a third predetermined operating frequency while controlling the current rotational speed to be reduced to a second predetermined rotational speed at a second predetermined rate when the current exhaust temperature is determined to be greater than the target exhaust temperature based on the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature based on the coil temperature difference.
Optionally, the control device of the air conditioner further includes: the statistics unit is used for counting a second duration of operation of the compressor according to the adjusted current operation frequency and the inner fan according to the adjusted current rotation speed in the process of controlling the compressor to operate according to the adjusted current operation frequency and controlling the inner fan to operate according to the adjusted current rotation speed; and the execution unit is used for repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length is determined to reach the second preset operation time length.
Optionally, the execution unit includes: the first control module is used for controlling the target coil temperature to be reduced by a preset temperature value to obtain updated target coil temperature, and simultaneously controlling the target exhaust temperature to be reduced by the preset temperature value to obtain updated target exhaust temperature; and the determining module is used for determining the latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature and determining the latest coil temperature difference between the current coil temperature and the updated target coil temperature.
Optionally, the execution unit includes: and the second control module is used for controlling the current rotating speed to be increased to the rotating speed of the inner fan after the air conditioner is started at a third preset speed when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest exhaust temperature difference or when the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference.
According to another aspect of the embodiment of the present invention, there is also provided an air conditioner, and a control method of the air conditioner using any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored program, wherein the program performs the control method of the air conditioner of any one of the above.
Alternatively, in the present embodiment, the above-described computer-readable storage medium may be located in any one of a group of computer terminals in a computer network, or in any one of a group of communication devices.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: the acquisition step: acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed; determining: determining an exhaust temperature difference between a current exhaust temperature and a target exhaust temperature, and determining a coil temperature difference between the current coil temperature and the target coil temperature; and (3) adjusting: adjusting the current running frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotating speed of the inner fan according to the exhaust temperature difference and the coil temperature difference; the control step: the compressor is controlled to operate according to the adjusted current operating frequency, and the inner fan is controlled to operate according to the adjusted current rotating speed.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: acquiring the current indoor environment temperature and the current outdoor environment temperature of an area where the air conditioner is positioned after receiving a starting signal of the air conditioner before acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed; selecting a target initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the indoor and outdoor environment temperature-initial operating frequency mapping relation table is used for recording the initial operating frequencies of compressors of air conditioners at different outdoor environment temperatures and indoor environment temperatures; the compressor is controlled to operate at a target initial operating frequency.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: in the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency; and under the condition that the first time length reaches the first preset operation time length, acquiring the current operation frequency of the compressor and the current rotation speed of the inner fan.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a first initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be larger than the first preset indoor environment temperature, selecting the sum of the first initial operating frequency and the first frequency compensation value from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the first initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the first initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a second initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the second initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the second initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the second initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: when the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a third initial operating frequency from an indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the third initial operating frequency and the first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the third initial operating frequency and the second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as a target initial operating frequency; and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the third initial operating frequency and the third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: when the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference, and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, the current operating frequency is increased to a first preset operating frequency; when the current exhaust temperature is determined to be not greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature according to the coil temperature difference, determining that the current running frequency is not required to be adjusted; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a second preset operating frequency.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, determining that the current operating frequency is not required to be adjusted, and simultaneously controlling the current rotating speed to be reduced to a first preset rotating speed at a first preset speed; and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a third preset operating frequency, and simultaneously controlling the current rotating speed to be reduced to a second preset rotating speed at a second preset speed.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: in the process of controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed, counting a second duration of the compressor operating according to the adjusted current operating frequency and the inner fan operating according to the adjusted current rotating speed; and repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length reaches the second preset operation time length.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: the target coil temperature is controlled to be reduced by a preset temperature value to obtain updated target coil temperature, and meanwhile, the target exhaust temperature is controlled to be reduced by the preset temperature value to obtain updated target exhaust temperature; a latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature is determined, and a latest coil temperature difference between the current coil temperature and the updated target coil temperature is determined.
Optionally, in the present embodiment, the computer readable storage medium is configured to store program code for performing the steps of: and when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest coil temperature difference, or when the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference, controlling the current rotating speed to rise to the rotating speed of the inner fan after the air conditioner is started at a third preset speed.
According to another aspect of the embodiment of the present application, there is also provided a processor for running a program, wherein the program runs to execute the control method of the air conditioner of any one of the above.
The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed technology may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, for example, may be a logic function division, and may be implemented in another manner, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied essentially or in part or all of the technical solution or in part in the form of a software product stored in a storage medium, including instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (15)

1. A control method of an air conditioner, comprising:
the acquisition step: acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed;
determining: determining an exhaust temperature difference between the current exhaust temperature and a target exhaust temperature, and determining a coil temperature difference between the current coil temperature and the target coil temperature;
and (3) adjusting: adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference;
the control step: and controlling the compressor to run according to the adjusted current running frequency, and controlling the inner fan to run according to the adjusted current rotating speed.
2. The control method of an air conditioner according to claim 1, further comprising, before acquiring a current discharge temperature of the air conditioner and a current coil temperature of an outdoor heat exchanger of the air conditioner in a process that a compressor of the air conditioner is operated at a current operation frequency and an inner fan of the air conditioner is operated at a current rotation speed:
after receiving a starting signal of the air conditioner, acquiring the current indoor environment temperature and the current outdoor environment temperature of the area where the air conditioner is positioned;
selecting a target initial operation frequency from an indoor and outdoor environment temperature-initial operation frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature, wherein the indoor and outdoor environment temperature-initial operation frequency mapping relation table is used for recording initial operation frequencies of compressors of the air conditioner at different outdoor environment temperatures and indoor environment temperatures;
and controlling the compressor to operate according to the target initial operating frequency.
3. The control method of an air conditioner according to claim 2, further comprising:
In the process of controlling the compressor to operate according to the target initial operating frequency, counting a first duration of operation of the compressor according to the target initial operating frequency;
and under the condition that the first time length reaches a first preset operation time length, acquiring the current operation frequency of the compressor and the current rotating speed of the inner fan.
4. A control method of an air conditioner according to claim 2 or 3, wherein the preset outdoor environment temperature includes: a first preset outdoor ambient temperature and a second preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the first preset outdoor environment temperature and less than the second preset outdoor environment temperature is determined, comprises the following steps:
When the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a first initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the first initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the first initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the first initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
5. A control method of an air conditioner according to claim 2 or 3, wherein the preset outdoor environment temperature includes: a second preset outdoor ambient temperature and a third preset outdoor ambient temperature, the preset indoor ambient temperature comprising: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the second preset outdoor environment temperature and less than the third preset outdoor environment temperature is determined, comprises the following steps:
When the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a second initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the second initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the second initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the second initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
6. A control method of an air conditioner according to claim 2 or 3, wherein the preset outdoor environment temperature includes: third preset outdoor ambient temperature, preset indoor ambient temperature includes: the method for selecting the target initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table according to the magnitude relation between the current outdoor environment temperature and the preset outdoor environment temperature and the magnitude relation between the current indoor environment temperature and the preset indoor environment temperature under the condition that the current outdoor environment temperature is not less than the third preset outdoor environment temperature and is less than the third preset outdoor environment temperature is determined, comprises the following steps:
When the current indoor environment temperature is not larger than the first preset indoor environment temperature, selecting a third initial operating frequency from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the first preset indoor environment temperature, selecting the sum of the third initial operating frequency and a first frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
when the current indoor environment temperature is determined to be greater than the second preset indoor environment temperature, selecting the sum of the third initial operating frequency and a second frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency;
and when the current indoor environment temperature is determined to be greater than the third preset indoor environment temperature, selecting the sum of the third initial operating frequency and a third frequency compensation value from the indoor and outdoor environment temperature-initial operating frequency mapping relation table as the target initial operating frequency.
7. The control method of an air conditioner according to claim 1, wherein adjusting the current operating frequency of the compressor according to the discharge temperature difference and the coil temperature difference comprises:
When the current exhaust temperature is determined to be less than the target exhaust temperature according to the exhaust temperature difference, and the current coil temperature is determined to be less than the target coil temperature according to the coil temperature difference, the current operating frequency is increased to a first preset operating frequency;
determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is determined to be not greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be equal to the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be not greater than the target coil temperature from the coil temperature difference;
and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be equal to the target coil temperature according to the coil temperature difference, or the current exhaust temperature is determined to be equal to the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a second preset operating frequency.
8. The control method of an air conditioner according to claim 1, wherein adjusting the current operating frequency of the compressor according to the discharge temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the discharge temperature difference and the coil temperature difference, comprises:
determining that the current operating frequency is not required to be adjusted when the current exhaust temperature is determined to be greater than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be less than the target coil temperature from the coil temperature difference, or when the current exhaust temperature is determined to be less than the target exhaust temperature from the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature from the coil temperature difference, while controlling the current rotational speed to decrease to a first predetermined rotational speed at a first predetermined rate;
and when the current exhaust temperature is determined to be greater than the target exhaust temperature according to the exhaust temperature difference and the current coil temperature is determined to be greater than the target coil temperature according to the coil temperature difference, reducing the current operating frequency to a third preset operating frequency, and simultaneously controlling the current rotating speed to be reduced to a second preset rotating speed at a second preset speed.
9. The control method of an air conditioner according to claim 1, further comprising:
counting a second duration of operation of the compressor according to the adjusted current operating frequency and the inner fan according to the adjusted current rotating speed in the process of controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed;
and repeatedly executing the acquisition step, the determination step, the adjustment step and the control step under the condition that the second time length reaches a second preset operation time length.
10. The control method of an air conditioner according to claim 9, wherein the determining step is repeatedly performed, comprising:
controlling the target coil temperature to be reduced by a preset temperature value to obtain the updated target coil temperature, and simultaneously controlling the target exhaust temperature to be reduced by the preset temperature value to obtain the updated target exhaust temperature;
and determining a latest exhaust temperature difference between the current exhaust temperature and the updated target exhaust temperature, and determining a latest coil temperature difference between the current coil temperature and the updated target coil temperature.
11. The control method of an air conditioner according to claim 10, wherein the adjusting step is repeatedly performed, comprising:
and when the current exhaust temperature is determined to be smaller than the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be equal to the updated target coil temperature according to the latest coil temperature difference, or when the current exhaust temperature is determined to be equal to the updated target exhaust temperature according to the latest exhaust temperature difference and the current coil temperature is determined to be smaller than the updated target coil temperature according to the coil temperature difference, controlling the current rotating speed to be increased to the rotating speed of the inner fan after the air conditioner is started at a third preset speed.
12. A control device of an air conditioner, comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring the current exhaust temperature of the air conditioner and the current coil temperature of an outdoor heat exchanger of the air conditioner in the process that a compressor of the air conditioner operates according to the current operating frequency and an inner fan of the air conditioner operates according to the current rotating speed;
a determining unit configured to determine an exhaust temperature difference between the current exhaust temperature and a target exhaust temperature, and determine a coil temperature difference between the current coil temperature and the target coil temperature;
An adjusting unit for adjusting the current operating frequency of the compressor according to the exhaust temperature difference and the coil temperature difference, and adjusting the current rotational speed of the inner fan according to the exhaust temperature difference and the coil temperature difference;
the control unit is used for controlling the compressor to operate according to the adjusted current operating frequency and controlling the inner fan to operate according to the adjusted current rotating speed.
13. An air conditioner characterized in that the air conditioner uses the control method of an air conditioner according to any one of the above claims 1 to 11.
14. A computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored program, wherein the program executes the control method of the air conditioner of any one of claims 1 to 11.
15. A processor for running a program, wherein the program runs to execute the control method of the air conditioner according to any one of claims 1 to 11.
CN202310810011.5A 2023-07-03 2023-07-03 Air conditioner control method and device and air conditioner Pending CN116592497A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310810011.5A CN116592497A (en) 2023-07-03 2023-07-03 Air conditioner control method and device and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310810011.5A CN116592497A (en) 2023-07-03 2023-07-03 Air conditioner control method and device and air conditioner

Publications (1)

Publication Number Publication Date
CN116592497A true CN116592497A (en) 2023-08-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310810011.5A Pending CN116592497A (en) 2023-07-03 2023-07-03 Air conditioner control method and device and air conditioner

Country Status (1)

Country Link
CN (1) CN116592497A (en)

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