CN109323422B - Air conditioner and control method and device thereof - Google Patents

Air conditioner and control method and device thereof Download PDF

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Publication number
CN109323422B
CN109323422B CN201811163194.1A CN201811163194A CN109323422B CN 109323422 B CN109323422 B CN 109323422B CN 201811163194 A CN201811163194 A CN 201811163194A CN 109323422 B CN109323422 B CN 109323422B
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air conditioner
value
air
capacity output
output value
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CN109323422A (en
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吴楠
罗羽钊
王侃
徐振坤
杜顺开
李金波
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/10—Pressure
    • F24F2140/12—Heat-exchange fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Human Computer Interaction (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The application discloses an air conditioner and a control method and device thereof, wherein the control method comprises the following steps: acquiring indoor enthalpy and moisture content according to indoor current temperature and return air humidity; acquiring a target capacity output value and a target dehumidification value of the air conditioner according to the indoor current temperature, the user set temperature and the indoor enthalpy and moisture content; acquiring an actual capacity output value of the air conditioner, and acquiring an actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner; and controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value. Therefore, the current operation state of the air conditioner can be accurately judged according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value, and the operation parameters of the air conditioner are correspondingly adjusted in time based on the operation state, so that the dehumidification stage of the air conditioner is accurately and effectively controlled correspondingly, the requirements of users are met, and the comfort level of the users is greatly improved.

Description

Air conditioner and control method and device thereof
Technical Field
The present disclosure relates to the field of air conditioners, and particularly to a control method of an air conditioner, a control device of an air conditioner, and an air conditioner.
Background
Generally, there are two main reasons for using an air conditioner for cooling: 1) the indoor humidity exceeds the comfortable humidity range of human body; 2) the indoor temperature exceeds the comfortable temperature range of human body. Further, when the indoor temperature is the same, the sensible temperature of the user increases as the indoor humidity increases, and for example, when the indoor temperature is 32 ℃, the sensible temperature of the user is 37 ℃ when the indoor humidity is 60%, and the sensible temperature of the user is 40.6 ℃ when the indoor humidity is 70%. Therefore, the essential requirement of the user to turn on the air conditioner is how to properly reduce the humidity in the room.
In the related art, some air conditioners have a dehumidification function, however, the dehumidification function is controlled based on the indoor and outdoor ambient temperature change or the humidity condition of an air return area, so that not only is the control hysteresis, but also the indoor humidity cannot be controlled accurately, and the comfort level of a user is reduced.
Disclosure of Invention
The embodiment of the application provides the air conditioner and the control method and device thereof, solves the problem that the indoor humidity cannot be accurately controlled in the prior art, and can accurately and effectively control the dehumidification stage of the air conditioner correspondingly so as to meet the requirements of users and greatly improve the comfort level of the users.
In order to achieve the above object, an embodiment of the present application provides a control method of an air conditioner, including: acquiring the current indoor temperature and the temperature set by a user, and acquiring the air outlet temperature and the air return humidity of the air conditioner; acquiring indoor moisture content according to the indoor current temperature and the return air humidity; acquiring a target capacity output value and a target dehumidification value of the air conditioner according to the indoor current temperature, the user set temperature and the indoor moisture content; acquiring an actual capacity output value of the air conditioner, and acquiring an actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner; and controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value.
In addition, the control method of the air conditioner according to the above-described embodiment of the present application may further have the following additional technical features:
according to an embodiment of the present application, the obtaining the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner specifically includes: acquiring the rotating speed of a fan of an indoor unit of an air conditioner; acquiring a sensible heat capacity output value of the air conditioner according to the indoor current temperature, the indoor air outlet temperature and the fan rotating speed of the indoor unit of the air conditioner; acquiring a latent heat capacity output value according to the actual capacity output value and the sensible heat capacity output value; acquiring the air outlet humidity of the air conditioner according to the latent heat capacity output value, the return air humidity and the fan rotating speed of the indoor unit of the air conditioner; and acquiring the actual dehumidification value according to the outlet air humidity.
According to one embodiment of the present application, a sensible heat capacity output value of the air conditioner is generated according to the following formula: wDisplay device＝a*n*(T1-T'), wherein WDisplay deviceN is the fan rotating speed of the indoor unit of the air conditioner, T1And T' is the air outlet temperature, and a is a setting coefficient.
According to one embodiment of the application, the outlet air humidity is generated according to the following formula: wDiving＝a*n*(RHInto-RHGo out) Wherein W isDivingThe output value of the latent heat capacity is obtained, n is the fan rotating speed of the indoor unit of the air conditioner, and RHIntoFor the return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
According to an embodiment of the present application, the controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value, and the actual dehumidification value specifically includes: obtaining a first difference value of subtracting the target capacity output value from the actual capacity output value, and generating a first score value according to the first difference value; obtaining a second difference value obtained by subtracting the target dehumidification value from the actual dehumidification value, and generating a second score value according to the second difference value; acquiring a total score value of the air conditioner according to the first score value and the second score value; and controlling the air conditioner according to the total score of the air conditioner.
According to an embodiment of the present application, the generating a first score value according to the first difference specifically includes: judging whether the first difference value is greater than or equal to a first preset threshold value or not; setting the first score value to a first value if greater than or equal to the first preset threshold; and if the first value is smaller than the first preset threshold value, setting the first scoring value as a second value.
According to an embodiment of the present application, the generating a second score value according to the second difference specifically includes: judging whether the second difference value is within a first preset range or not; setting the second score value to the first value if the second difference value is within the first preset range; and if the second difference value is not within the first preset range, setting the second scoring value as the third value.
According to an embodiment of the present application, the controlling the air conditioner according to the total score of the air conditioner specifically includes: if the total score value is in a second preset range, keeping the operation parameters of the air conditioner unchanged; if the total score value is in a third preset range, adjusting the air output of the air conditioner, and/or the working frequency of a compressor of the air conditioner, and/or the opening degree of an electronic expansion valve of the air conditioner by using a first amplitude value; if the total score value is within a fourth preset range, adjusting the working frequency of the air conditioner compressor according to the actual capacity output value and the target capacity output value, and reducing the air output of the air conditioner; and if the total score value is in a fifth preset range, adjusting the air output of the air conditioner, and/or the working frequency of a compressor of the air conditioner, and/or the opening degree of an electronic expansion valve of the air conditioner by using a second amplitude value, wherein the second amplitude value is larger than the first amplitude value.
In order to achieve the above object, an embodiment of the present application provides a control device of an air conditioner, including: the first acquisition module is used for acquiring the current indoor temperature and the temperature set by a user, and acquiring the air outlet temperature and the air return humidity of the air conditioner; the second acquisition module is used for acquiring the indoor moisture content according to the indoor current temperature and the return air humidity; a third obtaining module, configured to obtain a target capacity output value and a target dehumidification value of the air conditioner according to the current indoor temperature, the user-set temperature, and the indoor moisture content; the fourth acquisition module is used for acquiring the actual capacity output value of the air conditioner and acquiring the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner; and the control module is used for controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value.
In addition, the control device of the air conditioner according to the above-described embodiment of the present application may further have the following additional technical features:
according to an embodiment of the application, the fourth acquires the module basis the actual ability output value of air conditioner acquires the actual dehumidification value of air conditioner, wherein, the fourth acquires the fan rotational speed that the module acquireed the air conditioning indoor set, and basis the current temperature the air-out temperature with the fan rotational speed of air conditioning indoor set acquires the sensible heat ability output value of air conditioner, and basis the actual ability output value with latent heat ability output value is acquireed to the sensible heat ability output value, and basis latent heat ability output value the return air humidity with the fan rotational speed of air conditioning indoor set acquires the air-out humidity of air conditioner, and basis the air-out humidity acquires the actual dehumidification value.
According to one embodiment of the present application, the fourth obtaining module generates a sensible heat capacity output value of the air conditioner according to the following formula: wDisplay device＝a*n*(T1-T'), wherein WDisplay deviceN is the fan rotating speed of the indoor unit of the air conditioner, T1And T' is the air outlet temperature, and a is a setting coefficient.
According to an embodiment of the application, the fourth obtaining module generates the outlet air humidity according to the following formula: wDiving＝a*n*(RHInto-RHGo out) Wherein W isDivingThe output value of the latent heat capacity is obtained, n is the fan rotating speed of the indoor unit of the air conditioner, and RHIntoFor the return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
According to an embodiment of the application, the control module controls the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value, wherein the control module obtains a first difference value obtained by subtracting the target capacity output value from the actual capacity output value, generates a first score value according to the first difference value, obtains a second difference value obtained by subtracting the target dehumidification value from the actual dehumidification value, generates a second score value according to the second difference value, obtains a total score value of the air conditioner according to the first score value and the second score value, and controls the air conditioner according to the total score value of the air conditioner.
According to an embodiment of the present application, the control module generates a first score value according to the first difference, wherein the control module determines whether the first difference is greater than or equal to a first preset threshold, sets the first score value to a first value when the first difference is greater than or equal to the first preset threshold, and sets the first score value to a second value when the first difference is less than the first preset threshold.
According to an embodiment of the present application, the control module generates a second score value according to the second difference, wherein the control module determines whether the second difference is within a first preset range, sets the second score value as the first value when the second difference is within the first preset range, and sets the second score value as the third value when the second difference is not within the first preset range.
According to an embodiment of the present application, the control module controls the air conditioner according to the total score value of the air conditioner, wherein the control module keeps the operation parameters of the air conditioner unchanged when the total score value is in a second preset range, and adjusts the air output of the air conditioner and/or the operating frequency of the air conditioner compressor and/or the opening degree of the electronic expansion valve of the air conditioner according to a first amplitude value when the total score value is in a third preset range, and adjusts the operating frequency of the air conditioner compressor according to the actual capacity output value and the target capacity output value when the total score value is in a fourth preset range, and reduces the air output of the air conditioner, and adjusts the air output of the air conditioner and/or the operating frequency of the air conditioner compressor according to a second amplitude value when the total score value is in a fifth preset range, and/or the opening degree of the electronic expansion valve of the air conditioner, wherein the second amplitude is larger than the first amplitude.
In order to achieve the above object, an embodiment of the present application provides an air conditioner, including the control device of the air conditioner.
To achieve the above object, embodiments of the present application provide a non-transitory computer-readable storage medium having a computer program stored thereon, where the computer program, when executed by a processor, implements the control method of the air conditioner described above.
In order to achieve the above object, an embodiment of the present application provides a computer device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to implement the control method of the air conditioner.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. according to the method and the device, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, so that the current operation state of the air conditioner can be accurately judged, the operation parameters of the air conditioner can be timely adjusted correspondingly based on the operation state, and accordingly the dehumidification stage of the air conditioner can be accurately and effectively controlled correspondingly, the requirements of a user can be met, and the comfort level of the user is greatly improved.
2. In one embodiment of the application, whether the operation capability of the air conditioner meets the requirement of a user can be accurately judged by analyzing the first difference between the actual capability output value and the target capability output value, so that the operation parameters of the air conditioner can be timely and effectively adjusted correspondingly.
3. In another embodiment of the present application, by analyzing the second difference between the target dehumidification value and the actual dehumidification value, it can be accurately determined whether the dehumidification amount of the air conditioner meets the requirement of the user, so as to timely and effectively adjust the operation parameters of the air conditioner.
Drawings
Fig. 1 is a flowchart 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 a control method of an air conditioner according to another embodiment of the present application;
FIG. 4 is a flowchart of a control method of an air conditioner according to an embodiment of the present application;
fig. 5 is a block schematic diagram of a control apparatus of an air conditioner according to an embodiment of the present application;
FIG. 6 is a block schematic diagram of an air conditioner according to an embodiment of the present application;
FIG. 7 is a block schematic diagram of a computer device according to an embodiment of the present application.
Detailed Description
This application is through acquireing indoor current temperature, the user sets for the temperature, the air-out temperature of air conditioner, the actual ability output value isoparametric of return air humidity and air conditioner, and acquire the target ability output value of air conditioner according to above-mentioned parameter, target dehumidification value and actual dehumidification value, with according to target ability output value, target dehumidification value, the current running state of air conditioner is judged to actual ability output value and actual dehumidification value, and carry out corresponding adjustment to the operating parameter of air conditioner in time, thereby the accurate corresponding control of effectively carrying out to the dehumidification stage of air conditioner, with satisfy user's demand, user's comfort level has been improved greatly.
For a better understanding of the above technical solutions, exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
A control method of an air conditioner, a control device of an air conditioner, a non-transitory computer-readable storage medium, and a computer apparatus proposed according to embodiments of the present application are described below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a control method of an air conditioner according to an embodiment of the present application. As shown in fig. 1, the control method of the air conditioner according to the embodiment of the present application may include the steps of:
and S1, acquiring the current indoor temperature and the user set temperature, and acquiring the outlet air temperature and the return air humidity of the air conditioner.
Specifically, the current indoor temperature T1 is acquired by an online capability detection system of the air conditioner, and the user-set temperature is acquired by a remote controller, a mobile phone or other mobile terminals.
The temperature T at the air outlet of the indoor heat exchanger is obtained through a temperature sensor arranged at a certain position of the air outlet of the indoor heat exchanger (for example, a buckling position of a guide blade strip arranged at the center of the air outlet)aAnd by the formula T' ═ a × b × TaCalculating the temperature T' of the air outlet dry bulb, namely the air outlet temperature of the air conditioner, wherein a is a preset correction parameter, and b is the temperature T at the air outlet of the indoor heat exchangeraTemperature of interestAnd (4) correcting parameters, and calibrating a and b according to actual conditions.
Acquiring the humidity RH of the air entering the indoor heat exchanger through a humidity sensor installed at the air return inlet of the indoor heat exchangeraAnd by the formula RHInto＝c*d*RHaCalculating the return air humidity RH of the air conditionerInto(i.e., indoor humidity), where c is a preset correction parameter and d is the humidity RH of the air at the return air inlet of the indoor heat exchangeraAnd c and d can be calibrated according to actual conditions.
And S2, acquiring indoor moisture content according to the current indoor temperature and the return air humidity.
Specifically, the indoor current temperature, the return air humidity of the air conditioner and the indoor moisture content have a certain relationship, and the corresponding relationship among the indoor current temperature, the return air humidity of the air conditioner and the indoor moisture content can be stored in the air conditioner in advance in a form of a table and called when the indoor moisture content is acquired according to the indoor current temperature and the return air humidity. For example, when the current temperature in the room is 26 ℃ and the current humidity in the room is 60%, the moisture content in the room can be obtained as 12.8g/kg by the table.
It should be noted that after the indoor moisture content is obtained, the indoor moisture content needs to be compared with a preset moisture content (that is, an upper limit of the indoor moisture content corresponding to the human body comfort temperature, generally, the upper limit of the indoor moisture content corresponding to the human body comfort temperature is 12.8 g/kg). If the indoor moisture content is greater than the preset moisture content, it indicates that the current indoor humidity does not meet the requirement of the user, and therefore, the step S3 is continuously executed, that is, the air conditioner is controlled to enter the dehumidification cooling mode; if the indoor moisture content is less than or equal to the preset moisture content, the current indoor humidity meets the requirements of users, and therefore the air conditioner can be controlled to enter other operation states without being controlled to enter a dehumidification cooling mode.
And S3, acquiring a target capacity output value and a target dehumidification value of the air conditioner according to the current indoor temperature, the user set temperature and the indoor moisture content.
In practical applications, the indoor temperature is divided into x temperature intervals (typically, the length of the temperature interval may be 2 ℃), for example, the applicable temperature range of the indoor temperature is divided into-20 to 40 ℃ into temperature intervals (-20, -18), temperature intervals (-18, -16), …, temperature intervals (38, 40), similarly, the outdoor temperature is divided into y temperature intervals (typically, the length of the temperature interval may be 5 ℃), and the indoor humidity is divided into z humidity intervals (typically, the length of the humidity interval may be 2%).
The operation parameters of the air conditioners corresponding to different parameter intervals (including the temperature interval of the indoor temperature, the temperature interval of the outdoor temperature and the humidity interval of the indoor humidity) are different, so that multiple groups of operation parameters of the air conditioners can be stored in the air conditioners in advance, and the operation parameters of each group of air conditioners have corresponding relations with the temperature interval of the indoor temperature, the temperature interval of the outdoor temperature and the humidity interval of the indoor humidity.
When the air conditioner operates in a refrigeration mode, if the indoor moisture content is judged to be greater than or equal to the preset moisture content, the corresponding operating parameters of the air conditioner, which are prestored in the air conditioner, are called according to the indoor current temperature, the outdoor current temperature and the humidity of the indoor humidity, so that the air conditioner is controlled to operate in advance for a period of time according to the operating parameters, namely, in the initial operating state of the air conditioner, the corresponding operating parameters of the air conditioner are selected based on the indoor current temperature, the outdoor current temperature and the humidity of the indoor humidity, and the air conditioner is controlled to operate in advance for a period of time according to the operating parameters. At this time, according to the moisture content corresponding to the user set temperature and the human body comfortable temperature and according to the corresponding enthalpy diagram, the operation capacity and the total dehumidification capacity of the air conditioner which enable the indoor temperature and the indoor moisture content to meet the user requirements can be obtained, and therefore the target capacity output value W 'and the target dehumidification value M' of the air conditioner at each moment can be obtained.
For example, when the current indoor temperature is 35 ℃, the current outdoor temperature is 35 ℃, the indoor humidity is 65% and the user-set temperature is 26 ℃, it may be determined that the current indoor temperature is within a temperature range (34, 36), the current outdoor temperature is within a temperature range (30, 35), and the indoor humidity is within a humidity range (64%, 66%), so that the operation parameters of the air conditioner (including the operating frequency of the air conditioner compressor, the opening degree of the air conditioner electronic expansion valve, etc.) corresponding to the above ranges may be called, and the air conditioner may be controlled to pre-operate for a period of time according to the operation parameters. At this time, according to the user-set temperature (i.e., 26 ℃) and the upper limit (i.e., 12.8g/kg) of the indoor moisture content when the indoor temperature reaches 26 ℃, and according to the corresponding psychrometric chart, the operation capacity and the total dehumidification amount of the air conditioner, in which the indoor temperature reaches 26 ℃ and the indoor moisture content is 12.8g/kg or less, can be acquired, and thereby, the target capacity output value W 'and the target dehumidification value M' of the air conditioner at each time can be acquired.
And S4, acquiring the actual capacity output value of the air conditioner, and acquiring the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner.
Specifically, the current actual capacity output value W of the air conditioner (i.e., the actual operation capacity of the air conditioner) may be calculated according to the current temperature, the current pressure, and the like of the air conditioner, where the method for calculating the actual capacity output value W of the air conditioner is the prior art, and is not described herein again.
Further, after acquiring the actual capacity output value of the air conditioner, in order to be able to acquire the actual dehumidification value of the air conditioner more accurately, an embodiment of the present application provides a method for acquiring the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner, as shown in fig. 2, the method may include the following steps:
s201, acquiring the rotating speed of a fan of the indoor unit of the air conditioner.
As a possible implementation manner, the fan speed n of the indoor unit of the air conditioner may be obtained by an online capability detection system of the air conditioner, for example, the fan speed n of the indoor unit of the air conditioner may be obtained by a speed sensor arranged on the inner fan.
And S202, acquiring a sensible heat capacity output value of the air conditioner according to the indoor current temperature, the indoor air outlet temperature and the rotating speed of a fan of the indoor unit of the air conditioner.
According to one embodiment of the present application, a sensible heat capacity output value of an air conditioner is generated according to the following formula:
Wdisplay device＝a*n*(T1-T’)， (1)
Wherein, WDisplay deviceThe output value of sensible heat capacity, n is the rotating speed of a fan of an indoor unit of the air conditioner, T1Is the indoor current temperature, T' is the air-out temperature, and a is the setting coefficient.
That is, the fan speed n of the indoor unit of the air conditioner and the current indoor temperature T are obtained by the online capacity detection system of the air conditioner1And according to the temperature T at the air outlet of the indoor heat exchangeraAfter the air outlet temperature T' of the air conditioner is calculated, the rotating speed n of a fan of an indoor unit of the air conditioner and the indoor current temperature T are measured1Substituting the air outlet temperature T' into the formula (1) to calculate the sensible heat capacity output value W of the air conditionerDisplay device。
It should be noted that since the fan rotation speed n of the air conditioning indoor unit and the air volume G of the air conditioner have a certain relationship, i.e., G ═ n × n ', where n' is the air volume correction factor, the sensible heat capacity output value W of the air conditioner can be generated according to the following formulaDisplay device：WDisplay device＝a*G*(T1-T ')/n', that is, after the fan speed n of the indoor unit of the air conditioner is obtained by the online capacity detection system of the air conditioner, the air volume G of the air conditioner can be calculated according to the fan speed n of the indoor unit of the air conditioner, and then the current indoor temperature T is calculated1Calculating the sensible heat capacity output value W of the air conditioner by the air volume G of the air conditioner and the air outlet temperature T' of the air conditionerDisplay device。
And S203, acquiring a latent heat capacity output value according to the actual capacity output value and the sensible heat capacity output value.
In practical application, the actual capacity output value W and the sensible heat capacity output value WDisplay deviceAnd latent heat capacity output value WDivingSatisfy a relationship of W ═ WDisplay device+WDivingTherefore, the actual capacity output value W and the sensible capacity output value W of the air conditioner are calculatedDisplay deviceThen, the latent heat capacity output value W of the air conditioner can be calculatedDivingI.e. WDiving＝W-WDisplay device。
And S204, acquiring the air outlet humidity of the air conditioner according to the latent heat capacity output value, the return air humidity and the fan rotating speed of the indoor unit of the air conditioner.
According to one embodiment of the application, the outlet air humidity is generated according to the following formula:
Wdiving＝a*n*(RHInto-RHGo out)， (2)
Wherein, WDivingIs latent heat capacity output value, n is fan rotating speed of indoor unit of air conditioner, RHIntoFor return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
That is, the fan speed n of the indoor unit of the air conditioner and the humidity RH of the air according to the indoor heat exchanger are obtained by the on-line capacity detecting system of the air conditioneraCalculating the return air humidity RH of the air conditionerIntoAnd based on the actual capacity output value W and the sensible capacity output value WDisplay deviceCalculating the latent heat output value WDivingThen, the fan rotating speed n and the return air humidity RH of the indoor unit of the air conditioner are adjustedIntoAnd latent heat capacity output value WDivingSubstituting into formula (2), the outlet air humidity RH of the air conditioner can be calculatedGo outI.e. RHGo out＝RHInto-WDiving/a*n。
The fan rotation speed n of the air-conditioning indoor unit and the air volume G of the air conditioner have a certain relationship, that is, G ═ n × n ', where n' is an air volume correction factor. Therefore, the outlet air humidity RH can also be generated according to the following formulaGo out：WDiving＝a*G*(RHInto-RHGo out) The air quantity G of the air conditioner can be calculated according to the fan rotating speed n of the indoor unit of the air conditioner, and then the air quantity G and the return air humidity RH of the air conditioner can be calculated according to the air quantity G of the air conditionerIntoAnd latent heat capacity output value WDivingCalculating the outlet air humidity RH of the air conditionerGo out。
And S205, acquiring an actual dehumidification value according to the outlet air humidity.
Calculating the outlet air humidity RH of the air conditionerGo outThen, calculating the return air humidity RH of the air conditionerIntoAnd the outlet air humidity RH of the air conditionerGo outThe difference value of (c) can obtain the actual dehumidification value M, i.e. M equals to RHInto-RHGo out。
And S5, controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value.
Specifically, currently, when an air conditioner with a dehumidification function operates in a cooling mode, the dehumidification phase of the air conditioner for rapid cooling is generally controlled based on the change of the indoor and outdoor ambient temperatures or the humidity of the return air area of the air conditioner. However, the indoor and outdoor ambient temperatures change with the change of the operation capacity of the air conditioner, and thus the dehumidification phase of the air conditioner cannot be accurately controlled by the above method. Therefore, in the embodiment of the application, the indoor current temperature, the indoor current humidity and the user set temperature are obtained, the outlet air temperature and the return air humidity of the air conditioner are obtained, the indoor moisture content is obtained according to the indoor current temperature and the indoor current humidity, when the indoor moisture content is greater than or equal to the preset moisture content, the target capacity output value and the target dehumidification value of the air conditioner are obtained according to the indoor current temperature, the user set temperature and the indoor moisture content, the actual dehumidification value of the air conditioner is obtained according to the obtained actual capacity output value of the air conditioner, and the air conditioner is controlled according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value. Therefore, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, the current operation state of the air conditioner can be accurately judged, corresponding adjustment is timely carried out on the operation parameters of the air conditioner based on the operation state, and therefore corresponding control is accurately and effectively carried out on the dehumidification stage of the air conditioner, the requirements of a user are met, and the comfort level of the user is greatly improved.
It should be noted that, after the air conditioner is turned on, when the user sets the cooling temperature and the corresponding damper (the damper may include a plurality of dampers, for example, may include four stages, a strong stage, a high stage, a medium stage, and a low stage) to control the air conditioner to operate in the cooling mode, before acquiring the current indoor temperature, the current indoor humidity, and the user-set temperature, and acquiring the outlet air temperature and the return air humidity of the air conditioner, the network connection status of the air conditioner needs to be confirmed. If the air conditioner can be connected to the cloud platform, the operating parameters of the air conditioner are correspondingly adjusted according to data stored in a database of the cloud platform (the initial value of the data can be derived from factory settings of the air conditioner, and the data can be updated according to operating parameters set when other users use the air conditioners of the same model to ensure the effectiveness of the data), so as to meet the requirements of the users; if the air conditioner cannot be connected to the cloud platform, the current air conditioner is judged to be in an offline mode, the air conditioner is controlled to operate in the offline mode, meanwhile, the indoor and outdoor ambient temperature and humidity of the air conditioner are collected, the current indoor and outdoor ambient temperature and the current indoor ambient humidity are recorded into a storage unit of the air conditioner, and whether the storage unit of the air conditioner stores the last-time operation data or not is confirmed. If the storage unit of the air conditioner stores the data of the last operation, controlling the air conditioner to operate according to the data of the last operation; if the storage unit of the air conditioner has no data of the last operation, the air conditioner needs to be controlled to reenter the cooling and dehumidifying mode and correspondingly adjust the operation parameters of the air conditioner according to the humidity condition, namely, the air conditioner is correspondingly controlled according to the target capacity output value, the target dehumidifying value, the actual capacity output value and the actual dehumidifying value. The data of the air conditioner local machine can be updated through a big data platform or remotely and manually updated so as to ensure the validity of the data and control the storage capacity of the air conditioner.
That is, when the air conditioner can be connected to the cloud platform, the air conditioner is controlled correspondingly directly according to the data stored in the database of the cloud platform, so as to meet the requirements of users; when the air conditioner cannot be connected to the cloud platform, the air conditioner is controlled to operate in an off-line mode, data of the last operation are stored in a storage unit of the air conditioner, the air conditioner is controlled to operate according to the data of the last operation, and when the data of the last operation do not exist in the storage unit, the air conditioner is correspondingly controlled through the calculated data such as the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value, so that the air conditioner can be effectively controlled under the condition that the air conditioner cannot be connected to a network, and the requirements of users are met.
On the basis of the above embodiments, an embodiment of the present application proposes a method for controlling an air conditioner according to a target capacity output value, a target dehumidification value, an actual capacity output value, and an actual dehumidification value, as shown in fig. 3, the method may include the following steps:
s301, a first difference value of the actual capacity output value minus the target capacity output value is obtained, and a first score value is generated according to the first difference value.
According to an embodiment of the application, generating the first score value according to the first difference may specifically include: judging whether the first difference is greater than or equal to a first preset threshold value, and if the first difference is greater than or equal to the first preset threshold value, setting the first score value as a first value; if the first value is less than the first preset threshold, the first score value is set to a second value.
Specifically, after the actual capacity output value W and the target capacity output value W ' of the air conditioner are acquired, a difference between the actual capacity output value W and the target capacity output value W ' of the air conditioner, that is, a first difference Δ W (i.e., Δ W — W '), may be calculated. And judging whether the operation capacity of the air conditioner meets a preset scheme or not according to the first difference value delta W and the first preset threshold value, and generating a corresponding first score value u, wherein the first score value u can comprise a first value and a second value. If the first difference value Δ W is greater than or equal to a first preset threshold, it indicates that the operation capability of the air conditioner meets a preset scheme, and at this time, the first score value u may be set to a first value; if the first difference value Δ W is smaller than the first preset threshold, it indicates that the operation capability of the air conditioner cannot meet the preset scheme, and at this time, the first score value u may be set to a second value.
For example, the first predetermined threshold may be 0, the first value may be 0, and the second value may be 1. If the first difference value delta W is greater than or equal to 0, the actual capacity output value W of the air conditioner is greater than or equal to the target capacity output value W', the operation capacity of the air conditioner meets a preset scheme, and at the moment, the first score value u can be set to 0; if the first difference Δ W is less than 0, it indicates that the actual capacity output value W of the air conditioner is less than the target capacity output value W', and the operation capacity of the air conditioner cannot satisfy the preset scheme, at this time, the first score value u may be set to 1.
S302, a second difference value obtained by subtracting the actual dehumidification value from the target dehumidification value is obtained, and a second score value is generated according to the second difference value.
According to an embodiment of the application, generating the second score value according to the second difference may specifically include: judging whether the second difference value is within a first preset range, and if the second difference value is within the first preset range, setting the second score value as the first value; and if the second difference value is not within the first preset range, setting the second score value as a third value.
Specifically, after the actual dehumidification value M and the target dehumidification value M ' of the air conditioner are acquired, a difference between the target dehumidification value M ' and the actual dehumidification value M, that is, a second difference Δ M (that is, Δ M ═ M ' -M) may be calculated. And judging whether the dehumidification amount of the air conditioner meets the operation requirement of the current air conditioner according to the second difference value delta M, and generating a corresponding second score value v, wherein the second score value v can comprise a first value and a third value. If the second difference value Δ M is within a first preset range (the first preset range can be calibrated according to the model of the air conditioner, the external environment and other actual conditions), it indicates that the deviation between the actual dehumidification value M and the target dehumidification value M' is small, the dehumidification capacity of the air conditioner meets the current operation requirement of the air conditioner, and at this time, the second score value v can be set as the first value; if the second difference Δ M is not within the first preset range, it indicates that the deviation between the actual dehumidification value M and the target dehumidification value M' is large, and the dehumidification amount of the air conditioner cannot meet the operation requirement of the current air conditioner, and at this time, the second score value v may be set to be a third value.
For example, the first preset range may be e-M to e + M, the first value is 0 and the second value is 2, and whether the amount of dehumidification of the air conditioner satisfies the current operation requirement of the air conditioner is determined by determining whether the second difference Δ M is within the first preset range, i.e., whether | Δ M-e | is less than or equal to M. If the second difference value delta M is within the first preset range, namely, the | delta M-e | is not more than M, the difference between the actual dehumidification value M and the target dehumidification value M' is small, the dehumidification amount of the air conditioner meets the operation requirement of the current air conditioner, and at the moment, the second score value v can be set to be 0; if the second difference value Δ M is not within the first preset range, that is, the | Δ M-e | > M, it indicates that the deviation between the actual dehumidification value M and the target dehumidification value M' is large, and the dehumidification amount of the air conditioner cannot meet the operation requirement of the current air conditioner, and at this time, the second score value v may be set to 2.
And S303, acquiring the total score value of the air conditioner according to the first score value and the second score value.
As one possible implementation, the total score value N of the air conditioner may be a sum of the first score value u and the second score value v, i.e., N ═ u + v. For example, when the first score value u is set to 0 and the second score value v is set to 0, the total score value N of the air conditioner may be 0; when the first score value u is set to 1 and the second score value v is set to 0, the total score value N of the air conditioner may be 1; when the first score value u is set to 0 and the second score value v is set to 2, the total score value N of the air conditioner may be 2; when the first score value u is set to 1 and the second score value v is set to 2, the total score value N of the air conditioner may be 3.
And S304, controlling the air conditioner according to the total score of the air conditioner.
According to an embodiment of the present application, controlling the air conditioner according to the total score of the air conditioner may specifically include: if the total score value is in a second preset range, keeping the operation parameters of the air conditioner unchanged; if the total score value is in a third preset range, adjusting the air output of the air conditioner, and/or the working frequency of a compressor of the air conditioner, and/or the opening degree of an electronic expansion valve of the air conditioner by using the first amplitude value; if the total score value is in a fourth preset range, adjusting the working frequency of the air conditioner compressor according to the actual capacity output value and the target capacity output value, and reducing the air output of the air conditioner; and if the total score value is in a fifth preset range, adjusting the air output of the air conditioner and/or the working frequency of a compressor of the air conditioner and/or the opening degree of an electronic expansion valve of the air conditioner by a second amplitude value, wherein the second amplitude value is larger than the first amplitude value.
As one possible implementation manner, as the total score value of the air conditioner increases, the control process of the air conditioner may be divided into four stages, i.e., a first stage, a second stage, a third stage, and a fourth stage, in sequence. The current operation state of the air conditioner can be obtained according to the total score value of the air conditioner (or the stage of the control process of the air conditioner), and the operation parameters of the air conditioner can be correspondingly adjusted according to the operation state, namely the air conditioner is correspondingly controlled.
If the total score value is in a second preset range (namely, the control process of the air conditioner is in the first stage), the running state of the air conditioner is good, and therefore, the running parameters of the air conditioner can be kept unchanged; if the total score value is in a third preset range (namely, the control process of the air conditioner is in the second stage), the dehumidifying capacity of the air conditioner meets the operation requirement of the current air conditioner, but the overall operation capacity of the air conditioner cannot meet the preset scheme, so that the air output of the air conditioner and the working frequency of a compressor of the air conditioner can be improved to a small extent by combining the dehumidifying capacity of the air conditioner, or the opening of an electronic expansion valve of the air conditioner is correspondingly adjusted according to the specific condition of the air conditioner; if the total score value is in a fourth preset range (namely, the control process of the air conditioner is in a third stage), the fact that the overall operation capacity of the air conditioner meets a preset scheme is indicated, but the dehumidification capacity of the air conditioner cannot meet the operation requirement of the current air conditioner, therefore, the working frequency of an air conditioner compressor can be adjusted by combining the overall operation capacity of the air conditioner, and the air output of the air conditioner is reduced; if the total score value is in the fifth preset range (i.e. the control process of the air conditioner is in the fourth stage), it indicates that the overall operation capacity of the air conditioner cannot meet the preset scheme, and the dehumidification capacity of the air conditioner cannot meet the current operation requirement of the air conditioner, so that the air output capacity of the air conditioner and the working frequency of the compressor of the air conditioner need to be greatly increased, or the opening degree of the electronic expansion valve of the air conditioner needs to be correspondingly adjusted according to the specific conditions of the air conditioner.
For example, if the total score value of the air conditioner is 0, i.e., the first score value u is set to 0, and the second score value v is set to 0, it indicates that the operation state of the air conditioner is good, and therefore, there is no need to adjust the operation parameters of the air conditioner.
If the total score value of the air conditioner is 1, namely the first score value u is set to be 1, and the second score value v is set to be 0, the dehumidification amount of the air conditioner meets the operation requirement of the current air conditioner, but the overall operation capacity of the air conditioner cannot meet the preset scheme, so that the air output amount of the air conditioner and the working frequency of a compressor of the air conditioner can be improved to a small extent by combining the dehumidification amount of the air conditioner, or the opening degree of an electronic expansion valve of the air conditioner is correspondingly adjusted according to the specific condition of the air conditioner.
When the total score value of the air conditioner is 1, the operation parameters of the air conditioner can be correspondingly adjusted according to the table 1 and the magnitude of the first difference value delta W.
TABLE 1
Figure GDA0002605920250000121
For example, when the damper set by the user is damper 1, the opening degree of the electronic expansion valve of the air conditioner is opening degree 1, the operating frequency of the compressor of the air conditioner is frequency 1, and the angle of the swing blade is angle 1. At this time, if the total score value of the air conditioner is 1 and the first difference Δ W is small, the operation parameters of the air conditioner can be correspondingly adjusted according to the correction 1, that is, the opening degree of the electronic expansion valve of the air conditioner is adjusted to 11, the working frequency of the compressor of the air conditioner is adjusted to 11, and the angle of the swing blade is adjusted to 11; if the total score value of the air conditioner is 1 and the first difference value Δ W is large, the operation parameters of the air conditioner can be correspondingly adjusted according to the correction 2, that is, the opening degree of the electronic expansion valve of the air conditioner is adjusted to 12, the working frequency of the compressor of the air conditioner is adjusted to 12, and the angle of the swinging blade is adjusted to 12.
If the total score value of the air conditioner is 2, namely the first score value u is set to be 0, and the second score value v is set to be 2, the whole operation capacity of the air conditioner meets the preset scheme, but the dehumidification capacity of the air conditioner cannot meet the operation requirement of the current air conditioner, so that the working frequency of the compressor of the air conditioner can be adjusted by combining the whole operation capacity of the air conditioner, and the air output of the air conditioner is reduced.
If the total score value of the air conditioner is 3, that is, the first score value u is set to 1, and the second score value v is set to 2, it indicates that the overall operation capacity of the air conditioner cannot meet the preset scheme, and the dehumidification capacity of the air conditioner cannot meet the operation requirement of the current air conditioner, so that the air output of the air conditioner and the working frequency of the compressor of the air conditioner need to be greatly increased, or the opening of the electronic expansion valve of the air conditioner needs to be correspondingly adjusted according to the specific condition of the air conditioner.
When the total score value of the air conditioner is 2 or 3, the operation parameters of the air conditioner can be correspondingly adjusted according to the table 2 and the magnitude of the first difference value delta W.
TABLE 2
Figure GDA0002605920250000131
For example, when the damper set by the user is the damper 1, the opening degree of the electronic expansion valve of the air conditioner is 5, the operating frequency of the compressor of the air conditioner is 5, and the angle of the swing blade is 5. At this time, if the total score value of the air conditioner is 2 or 3 and the deviation between the actual dehumidification value and the target dehumidification value of the air conditioner is small, the operation parameters of the air conditioner can be correspondingly adjusted according to the correction 3, that is, the opening of the electronic expansion valve of the air conditioner is adjusted to be 51, the working frequency of the compressor of the air conditioner is adjusted to be 51, and the angle of the swinging blade is adjusted to be 51; if the total score value of the air conditioner is 2 or 3 and the deviation between the actual dehumidification value and the target dehumidification value of the air conditioner is large, the operation parameters of the air conditioner can be correspondingly adjusted according to the correction 4, namely the opening of the electronic expansion valve of the air conditioner is adjusted to be 52, the working frequency of the compressor of the air conditioner is adjusted to be 52, and the angle of the swinging blade is adjusted to be 52.
Therefore, the actual operation state and the adjustable parameters of the air conditioner are combined, the operation parameters of the air conditioner are correspondingly adjusted according to the different operation states, the actual capacity output value W and the target capacity output value W 'of the air conditioner, the actual dehumidification value M and the target dehumidification value M', so that the dehumidification capacity and the operation capacity of the air conditioner meet the requirements of a user, the indoor humidity can be accurately controlled, and the user experience is greatly improved.
Further, after the operation parameters of the air conditioner are correspondingly adjusted, the actual capacity output value W and the target capacity output value W 'and the actual dehumidification value M and the target dehumidification value M' are detected again at intervals of a first preset time, so that the dehumidification rate of the air conditioner is accurately and effectively controlled, and meanwhile, the indoor humidity is intermittently detected. When the moisture content is less than or equal to the upper limit of the indoor moisture content corresponding to the comfortable temperature of the human body, that is, the indoor moisture content is less than or equal to the preset moisture content, the user can be prompted that the current humidity is more comfortable, and the user is inquired whether the current humidity is proper or not, for example, inquiry information can be displayed through a touch display screen of an air conditioner so as to inquire whether the current humidity is proper or not. If the user selects that the current humidity is proper, controlling the air conditioner to exit the current cooling and dehumidifying mode; and if the current humidity selected by the user is not suitable, controlling the air conditioner to continuously operate in the current cooling and dehumidifying mode, and continuously inquiring whether the current humidity of the user is suitable or not until the indoor humidity meets the requirement of the user. Therefore, the indoor humidity can be accurately and effectively controlled, so that the humidity meets the requirements of users, and the experience of the users is greatly improved.
It should be noted that, in the process that the air conditioner operates in the cooling mode, the operation habit of the user may be recorded, and the operation habit of the user is uploaded to the cloud platform, or the operation habit of the user is entered into the air conditioner (for example, a storage module may be added to the air conditioner to enter the operation habit of the user into the storage module, or the operation habit of the user may be directly entered into an existing chip of the air conditioner), so that when the air conditioner is controlled next time, corresponding data is directly called to control the air conditioner.
Further, in order to make the present application more clear to those skilled in the art, the following will further describe the control method of the air conditioner with reference to the specific examples of the present application. As shown in fig. 4, a control method of an air conditioner according to an embodiment of the present application may include the steps of:
s401, after the air conditioner is started, the air conditioner is correspondingly controlled according to the set temperature, so that the air conditioner runs in a refrigeration mode.
S402, judging whether the air conditioners are connected to the network or not. If so, go to step S403; if not, step S404 is performed.
And S403, confirming that the air conditioner is in an online state, and correspondingly controlling the air conditioner according to the data stored in the database of the online cloud platform.
S404, acquiring indoor moisture content according to the indoor current temperature and the indoor current humidity.
S405, judging whether the indoor moisture content is larger than the preset moisture content. If yes, go to step S407; if not, step S406 is performed.
And S406, controlling the air conditioner to enter other running states. That is, when the indoor moisture content is less than or equal to the preset moisture content (i.e., the upper limit of the indoor moisture content corresponding to the comfortable temperature of the human body), it indicates that the indoor humidity meets the requirement of the user at this time, and the air conditioner does not need to be controlled to enter the cooling and dehumidifying mode, and therefore, the air conditioner can be controlled to operate in other operation modes.
S407, controlling the air conditioner to enter a cooling and dehumidifying mode, selecting corresponding operation parameters of the air conditioner based on the indoor current temperature, the outdoor current temperature and the humidity of the indoor humidity, and controlling the air conditioner to pre-operate for a period of time according to the operation parameters.
S408, acquiring a target capacity output value W 'and a target dehumidification value M' of the air conditioner according to the indoor current temperature, the user set temperature and the indoor moisture content.
And S409, acquiring the actual capacity output value W of the air conditioner, and acquiring the actual dehumidification value M of the air conditioner according to the actual capacity output value W of the air conditioner.
And S410, acquiring a total score value N of the air conditioner according to the target capacity output value W ', the target dehumidification value M', the actual capacity output value W and the actual dehumidification value M.
And S411, analyzing the total score value N of the air conditioner to determine a control strategy of the air conditioner. The total score value N of the air conditioners may be 0, 1, 2 or 3, and accordingly, the operation parameters of the air conditioners may be controlled differently according to the total score values N of different air conditioners, that is, after step S410 is executed, steps S412, S413, S414 or S415 may be executed.
And S412, when the N is equal to 0, keeping the operation parameters of the air conditioner unchanged.
And S413, when the N is equal to 1, combining the dehumidification capacity of the air conditioner, increasing the air output capacity of the air conditioner and the working frequency of a compressor of the air conditioner in a small range, or correspondingly adjusting the opening of an electronic expansion valve of the air conditioner according to the specific situation of the air conditioner.
And S414, when N is 2, adjusting the working frequency of the air conditioner compressor by combining the whole operation capacity of the air conditioner, and reducing the air output of the air conditioner.
And S415, if N is 3, greatly increasing the air output of the air conditioner and the operating frequency of the compressor of the air conditioner, or adjusting the opening of the electronic expansion valve of the air conditioner according to the specific situation of the air conditioner.
And S416, after a certain time interval, acquiring the total score value N of the air conditioner again according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value, and intermittently detecting the indoor humidity.
S417, when the moisture content is less than or equal to the preset moisture content, prompting the user that the current humidity is more comfortable, and inquiring whether the current humidity of the user is suitable humidity. If so, go to step S418; if not, the process returns to step S411.
And S418, controlling the air conditioner to exit the current cooling and dehumidifying mode.
In summary, according to the control method of the air conditioner in the embodiment of the present application, the current indoor temperature and the user set temperature are obtained, the outlet air temperature, the current indoor humidity and the return air humidity of the air conditioner are obtained, the indoor moisture content is obtained according to the current indoor temperature and the current indoor humidity, the target capacity output value and the target dehumidification value of the air conditioner are obtained according to the current indoor temperature, the user set temperature and the indoor moisture content, the actual capacity output value of the air conditioner is obtained, the actual dehumidification value of the air conditioner is obtained according to the actual capacity output value of the air conditioner, and the air conditioner is controlled according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value. According to the method and the device, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, so that the current operation state of the air conditioner can be accurately judged, the operation parameters of the air conditioner can be timely adjusted correspondingly based on the operation state, and accordingly the dehumidification stage of the air conditioner can be accurately and effectively controlled correspondingly, the requirements of a user can be met, and the comfort level of the user is greatly improved.
Fig. 4 is a block diagram schematically illustrating a control apparatus of an air conditioner according to an embodiment of the present application. As shown in fig. 4, the control device 10 of the air conditioner according to the embodiment of the present application may include a first obtaining module 100, a second obtaining module 200, a third obtaining module 300, a fourth obtaining module 400, and a control module 500.
The first obtaining module 100 is configured to obtain a current indoor temperature and a temperature set by a user, and obtain an outlet air temperature and an return air humidity of the air conditioner; the second obtaining module 200 is configured to obtain an indoor moisture content according to an indoor current temperature and an indoor return air humidity; the third obtaining module 300 is configured to obtain a target capacity output value and a target dehumidification value of the air conditioner according to the indoor current temperature, the user set temperature, and the indoor moisture content; the fourth obtaining module 400 is configured to obtain an actual capacity output value of the air conditioner, and obtain an actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner; the control module 500 is configured to control the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value, and the actual dehumidification value.
According to an embodiment of the present application, the fourth obtaining module 400 obtains an actual dehumidification value of the air conditioner according to an actual capacity output value of the air conditioner, wherein the fourth obtaining module 400 obtains a fan rotation speed of the indoor unit of the air conditioner, obtains a sensible heat capacity output value of the air conditioner according to a current temperature, an outlet air temperature, and the fan rotation speed of the indoor unit of the air conditioner, obtains a latent heat capacity output value according to the actual capacity output value and the sensible heat capacity output value, obtains an outlet air humidity of the air conditioner according to the latent heat capacity output value, the return air humidity, and the fan rotation speed of the indoor unit of the air conditioner, and obtains the actual dehumidification value according to the outlet air humidity.
According to an embodiment of the present application, the fourth obtaining module 400 generates a sensible heat capacity output value of the air conditioner according to the following formula: wDisplay device＝a*n*(T1-T'), wherein WDisplay deviceThe output value of sensible heat capacity, n is the rotating speed of a fan of an indoor unit of the air conditioner, T1Is the indoor temperature, T' is the outlet air temperature, and a is the setting coefficient.
According to an embodiment of the present application, the fourth obtaining module 400 generates the outlet air humidity according to the following formula: wDiving＝a*n*(RHInto-RHGo out) Wherein W isDivingIs latent heat capacity output value, n is fan rotating speed of indoor unit of air conditioner, RHIntoFor return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
According to an embodiment of the present application, the control module 500 controls the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value, wherein the control module 500 obtains a first difference value obtained by subtracting the target capacity output value from the actual capacity output value, generates a first score value according to the first difference value, obtains a second difference value obtained by subtracting the target dehumidification value from the actual dehumidification value, generates a second score value according to the second difference value, obtains a total score value of the air conditioner according to the first score value and the second score value, and controls the air conditioner according to the total score value of the air conditioner.
According to an embodiment of the present application, the control module 500 generates a first score value according to the first difference, wherein the control module 500 determines whether the first difference is greater than or equal to a first preset threshold, sets the first score value as a first value when the first difference is greater than or equal to the first preset threshold, and sets the first score value as a second value when the first difference is less than the first preset threshold.
According to an embodiment of the present application, the control module 500 generates a second score value according to the second difference, wherein the control module 500 determines whether the second difference is within a first preset range, sets the second score value as the first value when the second difference is within the first preset range, and sets the second score value as the third value when the second difference is not within the first preset range.
According to an embodiment of the present application, the control module 500 controls the air conditioner according to the total score of the air conditioner, wherein the control module 500 keeps the operation parameter of the air conditioner unchanged when the total score is in a second preset range, and adjusts the air output of the air conditioner and/or the operating frequency of the compressor of the air conditioner and/or the opening degree of the electronic expansion valve of the air conditioner according to the first amplitude value when the total score is in a third preset range, and adjusts the operating frequency of the compressor of the air conditioner and reduces the air output of the air conditioner according to the actual capacity output value and the target capacity output value when the total score is in a fourth preset range, and adjusts the air output of the air conditioner and/or the operating frequency of the compressor of the air conditioner and/or the opening degree of the electronic expansion valve of the air conditioner according to the second amplitude value when the total score is in a fifth preset range, wherein the second amplitude is greater than the first amplitude.
It should be noted that, for details not disclosed in the control device of the air conditioner in the embodiment of the present application, please refer to details disclosed in the control method of the air conditioner in the embodiment of the present application, and detailed descriptions thereof are omitted here.
According to the control device of the air conditioner, the indoor current temperature and the user set temperature are acquired through the first acquisition module, the outlet air temperature and the return air humidity of the air conditioner are acquired, the indoor moisture content is acquired through the second acquisition module according to the indoor current temperature and the return air humidity, the target capacity output value and the target dehumidification value of the air conditioner are acquired through the third acquisition module according to the indoor current temperature, the user set temperature and the indoor moisture content, the actual capacity output value of the air conditioner is acquired through the fourth acquisition module, the actual dehumidification value of the air conditioner is acquired according to the actual capacity output value of the air conditioner, and the air conditioner is controlled through the control module according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value. According to the method and the device, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, so that the current operation state of the air conditioner can be accurately judged, the operation parameters of the air conditioner can be timely adjusted correspondingly based on the operation state, and accordingly the dehumidification stage of the air conditioner can be accurately and effectively controlled correspondingly, the requirements of a user can be met, and the comfort level of the user is greatly improved.
In addition, an embodiment of the present application also provides an air conditioner 1, and as shown in fig. 6, the air conditioner 1 of the embodiment of the present application may include the control device 10 of the air conditioner described above.
According to the air conditioner, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be acquired in real time through the control device of the air conditioner, so that the current operation state of the air conditioner can be accurately judged, corresponding adjustment is timely performed on the operation parameters of the air conditioner based on the operation state, corresponding control is accurately and effectively performed on the dehumidification stage of the air conditioner, the requirements of users are met, and the comfort level of the users is greatly improved.
In addition, an embodiment of the present application also proposes a non-transitory computer-readable storage medium having stored thereon a computer program that, when executed by a processor, implements the control method of the air conditioner described above.
According to the non-transitory computer readable storage medium of the embodiment of the application, by executing the control method of the air conditioner, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, so that the current operation state of the air conditioner can be accurately judged, and the operation parameters of the air conditioner can be adjusted correspondingly in time based on the operation state, so that the dehumidification stage of the air conditioner can be accurately and effectively controlled correspondingly, the requirements of users can be met, and the comfort level of the users can be greatly improved.
In addition, an embodiment of the present application further provides a computer device 1000, as shown in fig. 7, the computer device 1000 of the embodiment of the present application may include a memory 1100, a processor 1200 and a computer program (not shown in the figure) stored on the memory 1100 and operable on the processor 1200, and the processor 1200 executes the program to implement the control method of the air conditioner.
According to the computer equipment provided by the embodiment of the application, by executing the control method of the air conditioner, the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value of the air conditioner can be obtained in real time, so that the current operation state of the air conditioner can be accurately judged, and the operation parameters of the air conditioner can be adjusted correspondingly in time based on the operation state, so that the dehumidification stage of the air conditioner can be accurately and effectively controlled correspondingly, the requirements of users can be met, and the comfort level of the users can be greatly improved.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It should be noted that in the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The application can be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims (19)

1. A method of controlling an air conditioner, comprising:
acquiring the current indoor temperature and the temperature set by a user, and acquiring the air outlet temperature and the air return humidity of the air conditioner;
acquiring indoor moisture content according to the indoor current temperature and the return air humidity;
acquiring a target capacity output value and a target dehumidification value of the air conditioner according to the indoor current temperature, the user set temperature and the indoor moisture content;
acquiring an actual capacity output value of the air conditioner, and acquiring an actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner; and
and controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value.
2. The method as claimed in claim 1, wherein the obtaining the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner specifically comprises:
acquiring the rotating speed of a fan of an indoor unit of an air conditioner;
acquiring a sensible heat capacity output value of the air conditioner according to the indoor current temperature, the indoor air outlet temperature and the fan rotating speed of the indoor unit of the air conditioner;
acquiring a latent heat capacity output value according to the actual capacity output value and the sensible heat capacity output value;
acquiring the air outlet humidity of the air conditioner according to the latent heat capacity output value, the return air humidity and the fan rotating speed of the indoor unit of the air conditioner;
and acquiring the actual dehumidification value according to the outlet air humidity.
3. The control method of an air conditioner according to claim 2, wherein the sensible heat capacity output value of the air conditioner is generated according to the following formula:
Wdisplay device＝a*n*(T1-T'), wherein WDisplay deviceN is the fan rotating speed of the indoor unit of the air conditioner, T1And T' is the air outlet temperature, and a is a setting coefficient.
4. The control method of an air conditioner according to claim 2, wherein the outlet air humidity is generated according to the following formula:
Wdiving＝a*n*(RHInto-RHGo out) Wherein W isDivingThe output value of the latent heat capacity is obtained, n is the fan rotating speed of the indoor unit of the air conditioner, and RHIntoFor the return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
5. The method of claim 1, wherein the controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value, and the actual dehumidification value specifically comprises:
obtaining a first difference value of subtracting the target capacity output value from the actual capacity output value, and generating a first score value according to the first difference value;
obtaining a second difference value obtained by subtracting the target dehumidification value from the actual dehumidification value, and generating a second score value according to the second difference value;
acquiring a total score value of the air conditioner according to the first score value and the second score value; and
and controlling the air conditioner according to the total score of the air conditioner.
6. The method of claim 5, wherein the generating a first score value according to the first difference value specifically comprises:
judging whether the first difference value is greater than or equal to a first preset threshold value or not;
setting the first score value to a first value if greater than or equal to the first preset threshold;
and if the first value is smaller than the first preset threshold value, setting the first scoring value as a second value.
7. The method of claim 6, wherein the generating a second score value according to the second difference value specifically comprises:
judging whether the second difference value is within a first preset range or not;
setting the second score value to the first value if the second difference value is within the first preset range;
and if the second difference value is not within the first preset range, setting the second scoring value as a third value.
8. The method for controlling an air conditioner according to claim 5, wherein the controlling the air conditioner according to the total score of the air conditioner specifically comprises:
if the total score value is in a second preset range, keeping the operation parameters of the air conditioner unchanged;
if the total score value is in a third preset range, adjusting the air output of the air conditioner, and/or the working frequency of a compressor of the air conditioner, and/or the opening degree of an electronic expansion valve of the air conditioner by using a first amplitude value;
if the total score value is within a fourth preset range, adjusting the working frequency of the air conditioner compressor according to the actual capacity output value and the target capacity output value, and reducing the air output of the air conditioner;
and if the total score value is in a fifth preset range, adjusting the air output of the air conditioner, and/or the working frequency of a compressor of the air conditioner, and/or the opening degree of an electronic expansion valve of the air conditioner by using a second amplitude value, wherein the second amplitude value is larger than the first amplitude value.
9. A control apparatus of an air conditioner, comprising:
the first acquisition module is used for acquiring the current indoor temperature and the temperature set by a user, and acquiring the air outlet temperature and the air return humidity of the air conditioner;
the second acquisition module is used for acquiring the indoor moisture content according to the indoor current temperature and the return air humidity;
a third obtaining module, configured to obtain a target capacity output value and a target dehumidification value of the air conditioner according to the current indoor temperature, the user-set temperature, and the indoor moisture content;
the fourth acquisition module is used for acquiring the actual capacity output value of the air conditioner and acquiring the actual dehumidification value of the air conditioner according to the actual capacity output value of the air conditioner;
and the control module is used for controlling the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value and the actual dehumidification value.
10. The apparatus of claim 9, wherein the fourth obtaining module obtains an actual dehumidification value of the air conditioner according to an actual capacity output value of the air conditioner, wherein the fourth obtaining module obtains a fan speed of an indoor unit of the air conditioner, obtains a sensible heat capacity output value of the air conditioner according to the current temperature, the outlet air temperature, and the fan speed of the indoor unit of the air conditioner, obtains a latent heat capacity output value according to the actual capacity output value and the sensible heat capacity output value, obtains an outlet air humidity of the air conditioner according to the latent heat capacity output value, the return air humidity, and the fan speed of the indoor unit of the air conditioner, and obtains the actual dehumidification value according to the outlet air humidity.
11. The control apparatus of an air conditioner according to claim 10, wherein the fourth acquiring module generates a sensible heat capacity output value of the air conditioner according to the following formula:
Wdisplay device＝a*n*(T1-T'), wherein WDisplay deviceN is the fan rotating speed of the indoor unit of the air conditioner, T1And T' is the air outlet temperature, and a is a setting coefficient.
12. The control apparatus of an air conditioner according to claim 10, wherein the fourth obtaining module generates the outlet air humidity according to the following formula:
Wdiving＝a*n*(RHInto-RHGo out) Wherein W isDivingThe output value of the latent heat capacity is obtained, n is the fan rotating speed of the indoor unit of the air conditioner, and RHIntoFor the return air humidity, RHGo outAnd a is a setting coefficient for the outlet air humidity.
13. The apparatus of claim 9, wherein the control module controls the air conditioner according to the target capacity output value, the target dehumidification value, the actual capacity output value, and the actual dehumidification value, wherein the control module obtains a first difference between the actual capacity output value and the target capacity output value, generates a first score according to the first difference, obtains a second difference between the actual dehumidification value and the target dehumidification value, generates a second score according to the second difference, obtains a total score of the air conditioner according to the first score and the second score, and controls the air conditioner according to the total score of the air conditioner.
14. The apparatus of claim 13, wherein the control module generates a first score value according to the first difference, wherein the control module determines whether the first difference is greater than or equal to a first preset threshold, sets the first score value to a first value when the first difference is greater than or equal to the first preset threshold, and sets the first score value to a second value when the first difference is less than the first preset threshold.
15. The apparatus of claim 14, wherein the control module generates a second score value according to the second difference value, wherein the control module determines whether the second difference value is within a first predetermined range, sets the second score value as the first value when the second difference value is within the first predetermined range, and sets the second score value as a third value when the second difference value is not within the first predetermined range.
16. The apparatus of claim 13, wherein the control module controls the air conditioner according to a total score value of the air conditioner, wherein the control module keeps the operation parameter of the air conditioner unchanged when the total score value is within a second preset range, and adjusts the air output of the air conditioner, and/or the operating frequency of an air conditioner compressor, and/or the opening degree of an air conditioner electronic expansion valve when the total score value is within a third preset range, and adjusts the operating frequency of the air conditioner compressor according to the actual capacity output value and the target capacity output value and decreases the air output of the air conditioner when the total score value is within a fourth preset range, and adjusts the air output of the air conditioner according to a second amplitude when the total score value is within a fifth preset range, and/or the working frequency of the air conditioner compressor, and/or the opening degree of the air conditioner electronic expansion valve, wherein the second amplitude is larger than the first amplitude.
17. An air conditioner characterized by comprising the control device of the air conditioner according to any one of claims 9 to 16.
18. A non-transitory computer-readable storage medium having a computer program stored thereon, wherein the program is executed by a processor to implement the control method of the air conditioner according to any one of claims 1 to 8.
19. A computer device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor executing the program to implement the control method of the air conditioner according to any one of claims 1 to 8.
CN201811163194.1A 2018-09-30 2018-09-30 Air conditioner and control method and device thereof Active CN109323422B (en)

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