CN112648718A - Method and device for controlling temperature and humidity of air conditioner - Google Patents

Method and device for controlling temperature and humidity of air conditioner Download PDF

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Publication number
CN112648718A
CN112648718A CN201910959779.2A CN201910959779A CN112648718A CN 112648718 A CN112648718 A CN 112648718A CN 201910959779 A CN201910959779 A CN 201910959779A CN 112648718 A CN112648718 A CN 112648718A
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temperature
indoor
outdoor
value
air conditioner
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CN112648718B (en
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李波
李峰
李洪川
王波
岳冯欢
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Sichuan Changhong Air Conditioner Co Ltd
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Sichuan Changhong Air Conditioner 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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

Abstract

A method and device for controlling the temperature and humidity of air conditioner is used to solve the technical problems of severe fluctuation of outlet air temperature, excessive dehumidification and insufficient dehumidification in the process of refrigeration and dehumidification of ordinary air conditioner, under the dehumidification mode of air conditioner, collecting indoor temperature, outdoor temperature and indoor coil temperature, judging to enter defined temperature region according to the indoor temperature, calculating the initial parameters of compressor frequency, expansion valve opening, indoor fan rotating speed, outdoor fan rotating speed, swing blade angle and the like according to the indoor temperature, the outdoor temperature and the indoor and outdoor temperature difference after entering corresponding temperature region, operating for a period of time, adjusting and correcting the compressor frequency, the expansion valve opening, the indoor fan rotating speed and the change rate of the indoor coil temperature according to the difference between the real-time indoor temperature and the outdoor temperature of corresponding temperature region, the difference between the indoor temperature and the corresponding preset temperature and the change rate of the indoor coil temperature within a certain period of time, and, The invention relates to the rotation speed of an outdoor fan, the swing blade angle and the start and stop of an auxiliary heating device, which are mainly used for dehumidification of an air conditioner.

Description

Method and device for controlling temperature and humidity of air conditioner
Technical Field
The invention relates to the technical field of dehumidification of household air conditioners, in particular to a control method and device for comfortable dehumidification of a household air conditioner.
Background
Along with the improvement of living standard of people, the requirements of users on the comfort and the health of the air conditioner are higher and higher, the traditional air conditioner cannot give consideration to both temperature and humidity in the refrigerating operation process, and a large amount of bacteria can be bred in a proper temperature and humidity range; and bacteria can enter a room along with the air supply of the indoor unit, so that certain influence is caused on the health and comfort experience of a user.
Meanwhile, in the actual refrigeration and dehumidification operation of the common household air conditioner, when the room temperature is far higher than the set temperature, the compressor operates at high frequency, the temperature of the coil pipe of the indoor unit is generally low, when the temperature is lower than the dew point temperature of the corresponding ambient air, water vapor in the air can be continuously condensed, condensed water is discharged out of a room from a drain pipe, when the room temperature reaches the set temperature, the relative humidity in the room can be very low, and at the moment, a user can feel uncomfortable to dry; when the room temperature and the set temperature are smaller in difference, most of the air conditioners run at low frequency, at the moment, when the temperature of the coil pipe of the indoor unit is higher than the dew point temperature of corresponding air, water vapor in the air cannot be condensed, when the indoor temperature is reduced to the set temperature, the relative humidity in the room air is possibly higher, and a user can feel oppression and discomfort.
The existing common dehumidification control method basically takes the temperature of an inner disc as a control condition, when the temperature condition of the inner disc is set to be high, the inner disc cannot fully dehumidify, and when the temperature condition of the inner disc is set to be low, the inner disc excessively dehumidifies. Meanwhile, the fluctuation of the air outlet temperature in the dehumidification process is large, and the dual control of the air temperature and the air humidity cannot be considered, so that the comfort of a user to the air conditioner is not satisfactory.
Disclosure of Invention
The invention aims to provide a control method and a control device for comfortable dehumidification of a household air conditioner, aiming at the defects of the prior art and solving the technical problems of severe fluctuation of outlet air temperature, excessive dehumidification and insufficient dehumidification in the refrigeration and dehumidification process of the conventional common air conditioner.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for controlling the temperature and humidity of an air conditioner comprises the following steps:
s01, defining temperature zone, refrigerating zone (T)irMore than 30 ℃), and a dehumidification upper area (T is less than or equal to 24℃)irNot more than 30 ℃), lower dehumidification zone (20℃)<TirA < 24 ℃ heat-producing zone (T)ir＜20℃)，TirRepresents the indoor temperature;
s02, when the working mode of the air conditioner is the dehumidification mode, collecting the indoor temperature T in real timeirOutdoor temperature TorAnd indoor coil temperature Tic；
S03, according to the indoor temperature TirJudging whether the temperature zone belongs to one of the refrigeration zone, the dehumidification upper zone, the dehumidification lower zone and the heating zone, entering the corresponding temperature zone and then according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the frequency F of the compressor and the opening degree of the expansion valve in the corresponding temperature area
Figure BDA0002228534810000021
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWThe initial parameter of the swing blade angle is obtained, and the starting and stopping of the auxiliary heating device are preliminarily controlled;
s04, after running for a period of timeAccording to the initial parameter of the corresponding temperature zone, the indoor temperature TirOutdoor temperature TorIndoor and outdoor temperature difference delta T1Indoor temperature TirDifference value delta T corresponding to preset temperature of working air conditionerinAnd the temperature T of the coil in the chamber in the time periodicRate of change Δ T ofXFor compressor frequency F and expansion valve opening
Figure BDA0002228534810000025
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWAnd adjusting the initial parameters of the swing blade angle, and adjusting and controlling the start and stop of the auxiliary heating device.
The invention also provides a device for controlling the dehumidification of the air conditioner based on the method, which comprises a controller for respectively acquiring the indoor temperature TirOutdoor temperature TorAnd indoor coil temperature TicThe temperature sensor and the chip control unit MCU;
the chip control unit MCU comprises a signal acquisition unit, a signal conversion processing unit and an action unit;
the signal acquisition unit is electrically connected with the temperature sensors for periodically acquiring indoor temperature TirOutdoor temperature TorAnd indoor coil temperature Tic；
The signal conversion processing unit is used for processing the collected indoor temperature TirOutdoor temperature TorAnd indoor coil temperature TicAnd converting the collected signals into working mode switching of the air conditioner, frequency F adjustment of the compressor and rotating speed R of the indoor fanNAdjusting and outdoor fan rotating speed RWAdjusting and expanding valve opening
Figure BDA0002228534810000023
Adjusting and assisting the state of the heating device and adjusting the swing blade angle;
the action unit is used for controlling the working mode of the air conditioner, the frequency F of the compressor and the rotating speed R of the indoor fan according to the instruction signal given by the signal conversion processing unitNOutdoor fan rotating speedRWOpening degree of expansion valve
Figure BDA0002228534810000024
The heating state of the auxiliary heating device and the swing blade angle are correspondingly adjusted.
The working principle is as follows: the invention monitors the indoor temperature TirAnd based on the monitored indoor temperature TirJudging whether the temperature zone enters one of the refrigeration zone, the dehumidification upper zone, the dehumidification lower zone and the heating zone, and then according to the indoor temperature T of the corresponding temperature zoneirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating initial parameters corresponding to the temperature zone, and monitoring the indoor temperature T in the temperature zone in real time after the initial parameters are given and the temperature zone is operated for a period of time in a comfortable dehumidification modeirOutdoor temperature TorIndoor and outdoor temperature difference delta T1Indoor temperature TirThe difference value of the temperature difference value and the preset temperature corresponding to the working of the air conditioner in the temperature area and the temperature T of the coil pipe in the chamber for a certain timeicRate of change Δ T ofXTo adjust and correct the frequency F of the compressor and the opening degree of the expansion valve
Figure BDA0002228534810000022
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWThe swing angle and the start and stop of the auxiliary heating device.
The invention has the beneficial effects that:
the invention firstly turns on the dehumidification mode of the air conditioner, and then according to the monitored indoor temperature TirJudging to enter the corresponding temperature zone, and then according to the indoor temperature T of the corresponding temperature zoneirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating initial parameters of corresponding temperature zone, and after the air conditioner operates for a period of time, monitoring the indoor temperature T in the temperature zoneirOutdoor temperature TorIndoor and outdoor temperature difference delta T1And indoor coil temperature TicRate of change Δ T ofXTo adjust and correct the frequency F of the compressor and the opening degree of the expansion valve
Figure BDA0002228534810000031
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWThe angle of the swing blade and the start and stop of the auxiliary heating device, thereby ensuring the indoor temperature T in the temperature areairInvariable, the air-out temperature can not acutely fluctuate among the dehumidification process, and can balance the dehumidification, can make the personnel that are in this temperature zone feel the perfect adaptation that temperature, humidity and human body were felt.
Drawings
FIG. 1 is a flow chart illustrating the operation of the method for controlling the temperature and humidity of an air conditioner according to the present invention;
FIG. 2 shows the room temperature TirA dehumidification flow diagram in a refrigeration zone;
FIG. 3 shows the room temperature TirA dehumidification flow diagram at an upper dehumidification zone;
FIG. 4 shows the room temperature TirA dehumidification flow diagram in the dehumidification lower region;
FIG. 5 shows the room temperature TirA dehumidification flow diagram in a heat production zone;
FIG. 6 is a schematic diagram of MCU control in the dehumidification mode.
Detailed Description
The technical solution of the present invention is further explained with reference to the drawings and the embodiments.
As shown in fig. 1, a method for controlling the temperature and humidity of an air conditioner:
starting the comfortable dehumidification function of the air conditioner and collecting the indoor temperature TirAnd according to the indoor temperature T acquired by the room temperature sensorirDetermining an entering temperature zone; the temperature zones divided in this example are: refrigerating zone (T)irMore than 30 ℃), and a dehumidification upper area (T is less than or equal to 24℃)irNot more than 30 ℃), lower dehumidification zone (20℃)<TirA < 24 ℃ heat-producing zone (T)ir＜20℃)；
After entering the corresponding temperature zone, the air conditioner is controlled to operate according to the setting conditions of the corresponding temperature zone, and the specific description is as follows:
if in the refrigerating area, the indoor temperature T acquired by the indoor temperature sensorirAnd a first predetermined temperature Tir1Difference of delta Ti1And difference between indoor and outdoor temperatures delta T1Substituting the frequency F mapping relation of the compressor and the opening degree of the expansion valve
Figure BDA0002228534810000033
Mapping relation, indoor Fan rotational speed RNMapping relation, outdoor fan speed RWMapping relation and swing blade angle mapping relation, and performing compressor frequency F and indoor fan rotating speed R by the action unit according to the mapping relationNAnd the rotating speed R of the outdoor fanWAnd opening degree of expansion valve
Figure BDA0002228534810000032
Switching action, T in this exampleir1The preferred value is 30 ℃;
in the above frequency mapping relationship, F ═ F0+K1*ΔTi1-K2*ΔT1(ii) a Wherein F0Is an initial value, the value of which is dependent on the model and the initial indoor temperature TirCalculating the initial outdoor temperature Tor, wherein the initial outdoor temperature Tor is determined according to the load of the compressor and the system of the air conditioner, and the reference value F of the embodiment0As shown in Table 1, K1、K2Is a mapping coefficient, wherein the reference preferred values are 0.1, 0.2, 0.5, 1.0, 2, K in the embodiment1Take 0.5, K2Taking 0.5;
Figure BDA0002228534810000041
TABLE 1
Opening degree of the expansion valve
Figure BDA0002228534810000043
The relationship of the mapping is shown in the figure,
Figure BDA0002228534810000044
wherein
Figure BDA0002228534810000045
Is an initial value, the value of which is based on the model, the expansion valve specification and the initial valueIndoor temperature TirInitial outdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculated, in this embodiment
Figure BDA0002228534810000047
Expansion valve opening with value of 1.6C specification
Figure BDA0002228534810000046
Is 192 steps, wherein the embodiment
Figure BDA0002228534810000048
The reference values are shown in Table 2, which is for reference only and is determined in accordance with the system load, M1、M2Is a mapping coefficient, wherein the preferred values are 2, 4, 6, M in this embodiment1Get 2, M2Taking 6;
Figure BDA0002228534810000042
TABLE 2
The indoor fan rotating speed RNMapping relation, RN＝RN0-X1*ΔTi1+X2*ΔT1Wherein R isN0Is an initial value given value (rotating speed value or gear), and the value is determined according to the type of the fan, the fan and the initial indoor temperature TirInitial outdoor temperature TorIs calculated to obtain, X1、X2Is a mapping coefficient, wherein the preferred reference values are 10, 20, 40, R in the present embodimentN0Taking the value of 900 r/min; x1Take 10, X240 is taken, and the specific value principle is as a function of the indoor temperature TirDecrease of indoor fan speed RNAscending (or designing the change of a wind speed gear, wherein R represents a real-time gear, and R represents a gear real-time gearN0Represents an initial gear, wherein the preferred gear is a medium gear; x1、X2For gear change determination, when Δ Ti1When the gear is smaller than a certain value, the gear is raised by one gear);
the rotating speed R of the outdoor fanWMapping relationships，RW＝RW0+Y1*ΔTi1-Y2*ΔT1(ii) a Wherein R isW0Is an initial value given value (rotation speed value or gear) which is determined according to the type of the fan, the type of the fan and the initial indoor temperature TirInitial outdoor temperature TorIs calculated to obtain Y1、Y2Is a mapping coefficient, wherein the preferred values are 5, 10, 15, 20, R in the embodimentW0Taking the value of 750r/min, Y1Take 10, Y2Taking 20 as a specific value principle according to the indoor temperature TirDecrease of indoor fan speed RNDescending (or designing the change of wind speed gear, wherein R represents the real-time gear, R represents the gear real-time gearN0Represents an initial gear, wherein the preferred gear is a medium gear; x1、X2For gear change determination, when Δ Ti1When the position is larger than a certain value, the gear is raised by one), the position of the swing blade is defaulted to be the position of the maximum air outlet angle, if the position is adjusted by a user, the position is adjusted to be the position adjusted by the user, and when delta T is obtainedi1When the temperature is less than or equal to 0 ℃, the mixture is automatically transferred to a dehumidification upper area.
If the indoor temperature T is in the dehumidification upper area or is transferred from the refrigeration area to the dehumidification upper area, the indoor temperature T acquired by the indoor temperature sensor is detectedirAnd the optimum preset indoor temperature Tir2Difference of delta Ti2And a predetermined time Ttime(the reference of the optimal value can be 2min, 5min and 10min, and the value of the embodiment is 10 min.) the temperature change rate of the indoor coil pipe
Figure BDA0002228534810000051
(default is a certain value before the second collection, the value of the embodiment is 0.2) and indoor and outdoor temperature difference delta T1And the indoor temperature TirSubstituting the change into the frequency F mapping relation, the swing blade angle mapping relation and the opening degree of the expansion valve of the compressor
Figure BDA0002228534810000052
Mapping relation and indoor fan rotating speed RNMapping relation and outdoor fan rotating speed RWA mapping relation, an auxiliary electric heating start-stop relation and a refrigeration and heating mode conversion relation, wherein Tir2The preferred value is 25 ℃ or user input;
the mapping relation of the compressor frequency F is that F is F01+K3*ΔTi2-K4*ΔT1+K5*ΔTX(ii) a Wherein F01Is an initial value, which is dependent on the model, compressor and initial indoor temperature TirInitial outdoor temperature TorCalculated, this example F01The value is 45.6 HZ; k3、K4、K5Is a mapping coefficient, wherein the reference preferred values are 1, 2, 3 and 4, and K is in the embodiment3、K4、K5Respectively taking values of 2, 3 and 4, wherein the value taking principle is that the value taking principle is along with the indoor temperature TirDecreasing, the frequency decreases slowly;
opening degree of the expansion valve
Figure BDA0002228534810000053
The relationship of the mapping is shown in the figure,
Figure BDA0002228534810000054
wherein
Figure BDA0002228534810000055
Is an initial value, which is based on model, expansion valve specification and system size and initial indoor temperature TirInitial outdoor temperature TorCalculated, in this embodiment
Figure BDA0002228534810000056
Taking a value of 192 steps; m3、M4、M5Is a mapping coefficient, wherein the reference preferred value is 1, 2, 4, 5, 6, 10, M in the embodiment3、M4、M5The corresponding values are 2, 5 and 2;
the indoor fan rotating speed RNMapping relation, RN＝RN01-X3*ΔTi2+X4*ΔT1-X5*ΔTX(ii) a Wherein R isN01Is an initial value (rotation speed value or gear) which is determined according to the model, the type of the indoor fan, the size of the fan and the initial indoor temperature Tir、Initial outdoor temperature TorCalculated to obtain the bookExamples RN01Taking the value of 900r/min, X3、X4、X5Is a mapping coefficient, wherein the reference preferred value is 5, 10, 15, 20, 30, X in the embodiment3、X4、X5Respectively taking 5, 15 and 5, wherein the value principle is as the function of the indoor temperature TirReduced, indoor fan speed RNRise (can also be designed as the change of wind speed gear, wherein R isNRepresenting a gear real-time gear; rN01Represents an initial gear, wherein the preferred gear is a medium gear; delta TXWhen the gear is larger than a certain value, the gear is lowered, the lowest breeze gear is changed, and when delta T is reachedXWhen the gear is maintained in a certain range, the gear is unchanged, and delta TXLess than a certain value and Δ T2When the gear is larger than a certain value, the gear is raised, and the highest high gear is selected);
the outdoor fan speed mapping relation, RW＝RW01+Y3*ΔTi2-Y4*ΔT1+Y5*ΔTX(ii) a Wherein R isW01Is an initial value (rotation speed value or gear) which is determined according to the model, the type of the outdoor fan, the size of the fan and the initial indoor temperature TirInitial outdoor temperature TorIs calculated to obtain Y3、Y4、Y5Is a mapping coefficient, wherein the preferred values are 5, 10, 15, 20, which corresponds to Y in this embodiment3、Y4、Y5The value is 5, 10 and 5, and the value principle is that the value is along with the indoor temperature TirReduced, outdoor fan speed RWDescent (also can be designed as the change of wind speed gear, wherein R isWRepresenting a gear real-time gear; rW01Represents an initial gear, wherein the preferred gear is a medium gear; delta TXWhen the gear is larger than a certain value, the gear is lowered, the lowest breeze gear is changed, and when delta T is reachedXWhen the gear is maintained in a certain range, the gear is unchanged, and delta TXLess than a certain value and Δ T2When the gear is larger than a certain value, the gear is increased to the highest high-speed gear);
the mapping relation of the auxiliary electric heating device is that 30S after the auxiliary electric heating device enters the region, the electric heating state is started and kept ON until delta T is more than or equal to minus 1i2The temperature T of the indoor coil pipe is less than or equal to 1 houricRate of change Δ TXWhen the time is less than 0.1, auxiliary electric heatingThe heating function of the heating device is closed, and the heating device is switched into a comfortable air supply mode, wherein the comfortable air supply mode is a constant temperature and moisture preservation mode;
in the above switching relationship of the cooling and heating modes, when the indoor temperature Tir decreases by a certain value, which is 2 ℃ in this embodiment, the cooling mode is switched to the heating mode, and when the indoor temperature T decreases by a certain valueirAt a certain rising value or room temperature TirAnd a second predetermined temperature Tir2When the temperature is less than a certain value, the temperature is increased by 3 ℃ or the indoor temperature TirThe temperature is 1 ℃ higher than the preset temperature, the refrigeration mode is switched, and the circulation switching is carried out until delta T is more than or equal to-1i2The temperature T of the indoor coil pipe is less than or equal to 1 houricRate of change Δ TXWhen the temperature is lower than a certain value, the heating function of the auxiliary electric heating device is closed, and the comfortable air supply mode is switched to be the constant temperature and moisture preserving mode.
A heating mode control mode of upper dehumidification zone, wherein the heating mode of the upper dehumidification zone is a fixed parameter control mode, and the opening degree of an expansion valve
Figure BDA0002228534810000066
Fixing parameters to
Figure BDA0002228534810000061
Compressor fixed frequency of F10Indoor fan speed RNFixed as RN10And the rotating speed of the outdoor fan is fixed to be RW10The state of the auxiliary electric heating device is kept to be an ON state, the swing blade angle deviates from the maximum air outlet position by a certain angle, and the basic principle of the fixed parameters is that the indoor temperature T is still allowed to be matched according to the size of the systemirGuarantee the air-out comfort when rising more fast, in this embodiment, F10The value of 58.8HZ,
Figure BDA0002228534810000062
Value 162 step, RN10Value 690R/min, RW10Taking 720r/min, deviating the swing blade angle by 15 degrees from the maximum air outlet position, and simultaneously, the operation of the heating mode cannot be lower than 30S;
the control mode of the upper dehumidification area swing blade angle is that the maximum air outlet angle position is defaulted in the refrigeration mode and the heating mode is deviatedA certain angle is moved, the maximum air outlet position is shifted by 15 degrees in the embodiment, and when the angle is less than or equal to minus 1 and is less than or equal to delta Ti21 or less and delta TXWhen the temperature is less than a certain value, the dehumidification function is quitted, and the air supply mode is switched to a comfortable air supply mode, wherein the parameters are controlled by the expansion valve opening degree
Figure BDA0002228534810000064
Fixing parameters to
Figure BDA0002228534810000063
Compressor fixed frequency of F20Indoor fan speed RNFixed as RN20Outdoor fan speed RWFixed as RW20The electric heating is turned off, the swing blade angle is the maximum air outlet angle, wherein the comfortable air parameter is fixed according to the condition that the fluctuation of the air outlet temperature is within +/-1 ℃, and F in the embodiment20The value is 0HZ, and the gas is,
Figure BDA0002228534810000065
is a previous mode parameter, RN20Is 850R/min, RW20Is 0r/minm, and exits from the control of the comfortable dehumidification function after the comfortable air supply mode runs for a certain time.
If the temperature T in the lower dehumidification region or the lower dehumidification region enters the lower heating region, the indoor temperature T acquired by the indoor temperature sensorirAnd the optimum preset indoor temperature Tir2Difference of delta Ti2And a predetermined time Ttime(the reference optimal value can be 2min, 5min and 10min, and the value of the embodiment is 10 min.) the indoor coil temperature change rate
Figure BDA0002228534810000071
(default is 0.2 before second collection) and indoor temperature TirVariation value of, difference in indoor and outdoor temperatures Δ T1Substituting the frequency F mapping relation of the compressor and the opening degree of the expansion valve
Figure BDA0002228534810000073
Mapping relation and indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWMapping relation, electric heating start-stop relation anda refrigerating and heating mode conversion relation, wherein Tir2The preferred value is 25 ℃ or the input of a user, the mode switching relation is that when the temperature is less than or equal to minus 1 and less than or equal to delta Ti21 or less and delta TXWhen the air flow rate is less than a certain value, the air flow control device is switched into a comfortable air supply mode, the comfortable air supply mode controls parameters, wherein the opening degree of an expansion valve
Figure BDA0002228534810000072
Fixing parameters to
Figure BDA0002228534810000074
Compressor fixed frequency of F20Indoor fan speed RNFixed as RN20Outdoor fan speed RWFixed as RW20When the electric heating is closed, the swinging blade is controlled to be the maximum air outlet angle; in this example F20The value is 0HZ, and the gas is,
Figure BDA0002228534810000075
is a previous mode parameter, RN20Is 850R/min, RW20Is 0 r/minm;
after the above-mentioned logical relation of electric heating state is entered into said zone 30S, the electric heating state is kept in ON state until-1 is less than or equal to delta Ti21 or less and delta TXWhen the temperature is less than a certain value, the electric heating state is converted into an OFF state;
the refrigerating and heating modes are converted into logical relations when the indoor temperature T is higherirWhen the temperature rises to a certain value, the temperature is 2 ℃ in the embodiment, the refrigeration dehumidification mode is switched to, and when the indoor temperature T is higherirWhen the temperature is decreased by a certain value, the temperature in this embodiment is 1 ℃, the heating mode is switched, and the process is circulated until the temperature is-1 ≦ Δ Ti2When the delta TX is less than or equal to 1 and less than a certain value, the mode is switched to a comfortable air supply mode;
the frequency mapping relationship of the refrigeration dehumidification mode compressor is that F is F02+K6*ΔTi2-K7*ΔT1+K8*ΔTX(ii) a Wherein F02Is an initial value, the value is based on the compressor model, the initial indoor temperature TirCalculating the initial outdoor temperature Tor; example F02The value is 38.4 HZ; k6、K7、K8Is a mapping coefficient, wherein the reference preference values are 1, 2, 3, 4; in this example, corresponds to K6、K7、K8The value is 2, 1 and 2;
the rotating speed R of the indoor fan in the refrigeration and dehumidification modeNMapping relation, RN＝RN02-X6*ΔTi2+X7*ΔT1-X8*ΔTX(ii) a Wherein R isN02Is an initial value (rotation speed value or gear) which is determined according to the model, the model of the indoor fan and the initial indoor temperature TirInitial outdoor temperature TorCalculating to obtain; in this example RN02The value is 750r/min, X6、X7、X8Is a mapping coefficient, wherein the reference preferred value is 5, 10, 15, 20, X in the embodiment6、X7、X8The corresponding values are 5, 15 and 10 (the variation of the wind speed gear can also be designed, wherein R isNRepresenting a gear real-time gear; rN02Represents an initial gear, wherein the preferred gear is a medium gear; delta TXWhen the gear is larger than a certain value, the gear is lowered, the lowest breeze gear is changed, and when delta T is reachedXWhen the gear is maintained in a certain range, the gear is unchanged, and delta TXLess than a certain value and Δ T2When the gear is larger than a certain value, the gear is increased to the highest high-speed gear);
the rotating speed R of the outdoor fan in the refrigeration and dehumidification modeWMapping relation, RW＝RW02+Y6*ΔTi2-Y7*ΔT1+Y8*ΔTX(ii) a Wherein R isW02Is an initial value, the value of which is dependent on the model and the initial indoor temperature TirInitial outdoor temperature TorCalculating to obtain; in this example RW02The value is 750 r/min; y is3、Y4、Y5Is a mapping coefficient, wherein the reference preferred value is 5, 10, 15, 20, Y in the embodiment3、Y4、Y5The corresponding values are 10, 10 and 15; (it can also be designed as the change of wind speed gear, where RWRepresenting a gear real-time gear; rW01Represents an initial gear, wherein the preferred gear is a medium gear; delta TXWhen the gear is higher than a certain value, the gear is raised, the highest wind gear is raised, and when delta T is greater than a certain valueXWhen the gear is maintained in a certain range, the gear is unchanged, and delta TXLess than a certain value and Δ T2When the gear is larger than a certain value, the gear is reduced, and the lowest low gear is selected);
opening degree of the expansion valve in the refrigeration and dehumidification mode
Figure BDA0002228534810000081
The relationship of the mapping is shown in the figure,
Figure BDA0002228534810000082
wherein
Figure BDA0002228534810000083
Is an initial value, the value of which is dependent on the model and the initial indoor temperature TirInitial outdoor temperature TorCalculating to obtain; m6、M7、M8Is a mapping coefficient, wherein the preferred values are 1, 2, 3, 4, 5, in this embodiment
Figure BDA0002228534810000084
Taking the value 192 steps, M6、M7、M8The values are 1, 2 and 4 respectively.
A heating mode control mode under dehumidification, the heating mode of the zone is a fixed parameter control, wherein the opening degree of the expansion valve
Figure BDA0002228534810000085
Fixing parameters to
Figure BDA0002228534810000086
Compressor fixed frequency of F30Indoor fan speed RNFixed as RN30Outdoor fan speed RWFixed as RW30The state of the auxiliary electric heating device is kept in an ON state, the fixed parameter value of the heating mode of the zone is a set of parameter values determined according to the conditions of the machine type and the system, and the basic basis is to ensure the indoor temperature TirThe air-out temperature can not be too high when rising, F in this embodiment30The value is 38.4HZ,
Figure BDA0002228534810000087
taking the value of 162 steps, RN30The value is 900R/min, RW30The value is 820 r/min.
If the heating area is heated, three groups of heating mode control parameters are set, namely a forced heat control parameter, a medium heating control parameter and a micro heating control parameter, and the three groups of control parameters are based on the indoor temperature T acquired by the indoor temperature sensorirAnd a third preset indoor temperature Tir3Difference of delta Ti3Indoor and outdoor temperature difference delta T1And the indoor temperature TirChange value Δ T of2Change switching, wherein T in this embodimentir3The preferred value is 20 ℃;
the above-mentioned forced thermal control parameter, wherein the compressor frequency is FA1Opening degree of expansion valve
Figure BDA0002228534810000088
Is composed of
Figure BDA0002228534810000089
The rotating speed of the inner fan is RNA1The rotating speed of the outdoor fan is RWA1The electric heating state is put into and kept in an ON state after entering a comfortable dehumidification mode for 30S, the angle of the swing blade deviates from the maximum air outlet position by a certain angle, and the setting basis of the forced heat control parameter is to ensure that the indoor temperature T is within a certain rangeirRises quickly while avoiding blow-out blow-through, in this embodiment, FA1The value of the sodium-zinc alloy is 71.2HZ,
Figure BDA00022285348100000810
value 162 step, RNA1Value 690R/min, RWA1Taking the value of 750 r/min; the angle of the swing blade deviates 15 degrees from the maximum air outlet position;
the above medium heating control parameter, wherein the compressor frequency is FA2Opening degree of expansion valve
Figure BDA00022285348100000811
Is composed of
Figure BDA00022285348100000812
Indoor useFan rotating speed RNIs RNA2And the rotating speed R of the outdoor fanWIs RWA2The state of the auxiliary electric heating device is kept to be an ON state when entering a comfortable dehumidification mode 30S, and the angle of the swing blade deviates from the maximum air outlet position by a certain angle; setting the medium heating control parameter as the basis of letting the indoor temperature TirThe air rises quickly, and meanwhile, the air is prevented from blowing directly; in this example, FA2The value of the sodium-zinc alloy is 55.2HZ,
Figure BDA00022285348100000813
value 162 step, RNA2Value 690R/min, RWA2Taking the value of 750 r/min; the angle of the swing blade deviates 15 degrees from the maximum air outlet position;
the above micro heating control parameter, wherein the compressor frequency is FA3Opening degree of expansion valve
Figure BDA00022285348100000814
Is composed of
Figure BDA00022285348100000815
Indoor fan rotating speed RNIs RNA3The rotating speed of the outdoor fan is RWA3When the indoor air conditioner enters the comfortable dehumidification mode 30S, the indoor air conditioner is kept in an ON state, the maximum air outlet angle of the swing blades and the micro heating control parameter setting basis are that the indoor temperature T is ensuredirSlowly rises, in this example, FA3The value of the gas is 30.6HZ,
Figure BDA0002228534810000091
value 162 step, RNA1Value 690R/min, RWA1Taking the value of 750 r/min; the swing blade angle is the maximum air outlet position angle;
entering the condition when the three control parameters are delta Ti3Greater than a certain value or Δ T1When the temperature is higher than a certain value, the forced heat mode is entered, in this embodiment, the temperature is delta Ti3Greater than 5 or Δ T1When the value is 20, entering a forced hot mode, and when delta T is obtainedi3When the value is less than or equal to a certain value, in this embodiment, Δ T isi3When the temperature is less than or equal to 5, entering a medium heating parameter control mode, and entering a forced heating operation mode to indoor delta T2After the temperature is higher than a certain value, the micro heating mode is switched to operate for a certain time, the micro heating is quitted, the entering condition is judged again, and when the temperature enters the middle heating operation mode and the temperature reaches the indoor delta T2After the temperature is higher than a certain value, the micro heating mode is switched to operate for a certain time, then the micro heating is quitted, the entry condition is judged again, in the embodiment, when the forced heating operation mode is entered to the indoor temperature rise of 4 ℃, the micro heating mode is switched to operate for a certain 4min, then the micro heating is quitted, the entry condition is judged again, and when the forced heating operation mode is entered to the indoor temperature TirAfter the temperature rises by 2 ℃ and the micro heating mode is operated for a certain time, the micro heating is quitted, the entering condition is judged again, and when delta T is reachedi3When the temperature is more than or equal to 0 ℃, the sample is automatically transferred to a lower dehumidification region.
A device for comfortable dehumidification control of air conditioner includes collecting indoor temperature TirOutdoor temperature TorAnd indoor coil temperature TicThe temperature sensor and the chip control unit MCU;
the chip control unit MCU comprises a signal acquisition unit, a signal conversion processing unit and an action unit;
the signal acquisition unit is used for periodically acquiring indoor temperature TirOutdoor temperature TorAnd indoor coil temperature Tic；
The signal conversion processing unit is used for processing the collected indoor temperature TirOutdoor temperature TorAnd indoor coil temperature TicAnd converting the collected signals into mode switching, compressor frequency F and indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWOpening degree of expansion valve
Figure BDA0002228534810000092
An electrical heating state and a wind guide blade state instruction signal;
the action unit is used for switching the instruction according to the mode, changing the instruction of the frequency F of the compressor and the rotating speed R of the indoor fan which are given by the signal conversion processing unitNChange instruction, outdoor fan rotating speed RW change instruction and expansion valve opening degree
Figure BDA0002228534810000093
Change instruction, auxiliary electric heating device start-stop instruction, swing blade angle change instruction to mode switching, compressor frequency F and indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWOpening degree of expansion valve
Figure BDA0002228534810000094
The electric heating state and the swing blade position are correspondingly adjusted.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. A method for controlling temperature and humidity of an air conditioner is characterized by comprising the following steps:
s01, defining temperature zone, refrigerating zone (T)irMore than 30 ℃), and a dehumidification upper area (T is less than or equal to 24℃)irNot more than 30 ℃), lower dehumidification zone (20℃)<TirA < 24 ℃ heat-producing zone (T)ir＜20℃)，TirRepresents the indoor temperature;
s02, when the working mode of the air conditioner is the dehumidification mode, collecting the indoor temperature T in real timeirOutdoor temperature TorAnd indoor coil temperature Tic；
S03, according to the indoor temperature TirJudging whether the temperature zone belongs to one of the refrigeration zone, the dehumidification upper zone, the dehumidification lower zone and the heating zone, entering the corresponding temperature zone and then according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the frequency F of the compressor and the opening degree of the expansion valve in the corresponding temperature area
Figure FDA0002228534800000011
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWAnd a swinging bladeInitial parameters of the angle, and the starting and stopping of the auxiliary heating device are preliminarily controlled;
s04, after running for a period of time, according to the initial parameters of the corresponding temperature zone and the indoor temperature TirOutdoor temperature TorIndoor and outdoor temperature difference delta T1Indoor temperature TirDifference value delta T corresponding to preset temperature of working air conditionerinAnd the temperature T of the coil in the chamber in the time periodicRate of change Δ T ofXFor compressor frequency F and expansion valve opening
Figure FDA0002228534800000012
Indoor fan rotating speed RNAnd the rotating speed R of the outdoor fanWAnd adjusting the initial parameters of the swing blade angle, and adjusting and controlling the start and stop of the auxiliary heating device.
2. The method as claimed in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirOutdoor temperature TorAnd indoor coil temperature TicRate of change Δ T ofXAdjusting the opening degree of the expansion valve
Figure FDA0002228534800000013
The specific process comprises the following steps:
according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the initial opening degree of the expansion valve
Figure FDA0002228534800000014
According to the indoor temperature TirWorking preset temperature value T corresponding to air conditioner in temperature areain(n is a number 1, 2, 3, respectively representing a first predetermined temperature Tir1A second predetermined temperature Tir2A third preset temperature Tir3) Difference value Δ T ofinAnd indoor coil temperature TicRate of change Δ T ofXCalculating a correction value, and using the correction value to control the opening of the expansion valve
Figure FDA0002228534800000017
Corrected opening degree of expansion valve
Figure FDA0002228534800000016
Correcting the opening degree according to the expansion valve
Figure FDA0002228534800000015
Adjusting the opening degree of the expansion valve
Figure FDA0002228534800000018
3. The method as claimed in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirOutdoor temperature TorAnd indoor coil temperature TicRate of change Δ T ofXThe specific process of adjusting the frequency of the compressor comprises the following steps:
according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the initial frequency F of the compressor1；
According to the indoor temperature TirWorking preset temperature value T corresponding to air conditioner in temperature areainDifference value Δ T ofinAnd indoor coil temperature TicRate of change Δ T ofXCalculating a correction value and correcting the compressor initial frequency F using the correction value1Obtaining a corrected frequency F of the compressor2；
Correcting the frequency F according to said compressor2The compressor frequency F is adjusted.
4. The method as claimed in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirAnd outdoor temperature TorAnd indoor coil temperature TicRate of change Δ TXControlling indoor motor speed RNThe specific process comprises the following steps:
according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the initial rotation speed R of the indoor motorN1；
According to the indoor temperature TirPreset temperature value T corresponding to working of air conditioner in temperature areainDifference value Δ T ofinAnd indoor coil temperature TicRate of change Δ T ofXCalculating a correction value, and correcting the initial rotation speed R of the indoor motor by using the correction valueN1Obtaining the corrected rotating speed R of the indoor motorN2；
Correcting the rotating speed R according to the indoor motorN2Adjusting the rotating speed R of the indoor unitN。
5. The method as claimed in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirAnd outdoor temperature TorAnd indoor coil temperature TicRate of change Δ TXControlling outdoor motor speed RWThe specific process comprises the following steps:
according to the indoor temperature TirOutdoor temperature TorAnd indoor and outdoor temperature difference Δ T1Calculating the initial rotation speed R of the outdoor motorW1；
According to the indoor temperature TirPreset temperature value T corresponding to working of air conditioner in temperature areainDifference value Δ T ofinAnd indoor coil pipe temperature change rate delta TXCalculating a correction value and correcting the initial rotation speed R of the outdoor motor according to the correction valueW1Obtaining the corrected rotating speed R of the outdoor motorW2；
Correcting the rotating speed R according to the outdoor motorW2Adjusting the rotating speed R of the indoor unitW。
6. The method as claimed in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirAnd indoor coil temperature TicRate of change Δ T ofXThe specific process of controlling the auxiliary heating device to start and stop is as follows:
according to the indoor temperature TirDesignating an initial state of the auxiliary heating device as ON or OFF;
according to the indoor temperature TirCorresponding to the preset temperature value T in the temperature zone modeinDifference value Δ T ofinAnd indoor coil temperature TicRate of change Δ T ofXCalculating a correction value, and re-designating the state of the auxiliary heating device as OFF or ON according to the correction value;
and controlling the start and stop of the auxiliary heating device according to the state of the reassigned auxiliary heating device.
7. The method as set forth in claim 1, wherein in step S04, the indoor temperature T is used as a function ofirThe specific process of controlling the angle position of the swinging blade is as follows:
according to the indoor temperature TirAppointing an initial angle of the swinging blade;
according to the indoor temperature TirPreset temperature value T corresponding to working of air conditioner in temperature areainDifference value Δ T ofinAnd indoor coil temperature TicRate of change Δ T ofXCalculating a correction value;
and readjusting the angular position of the swinging vane according to the correction value.
8. The method of any one of claims 1-7, further comprising the step of:
and S05, the air conditioner receives the mode switching instruction and switches the air conditioner from the current working mode to the next conditional mode, and finally switches to the comfortable air supply mode.
9. An apparatus for dehumidification control of air conditioner based on the method of claim 1, comprising means for separately collecting indoor temperatures TirOutdoor temperature TorAnd indoor coil temperature TicThe temperature sensor and the chip control unit MCU;
the chip control unit MCU comprises a signal acquisition unit, a signal conversion processing unit and an action unit;
the signal acquisition unit is electrically connected with the temperature sensors for periodically acquiring indoor temperature TirOutdoor temperature TorAnd indoor coil temperature Tic；
The signal conversion processing unit is used for processing the collected indoor temperatureDegree TirOutdoor temperature TorAnd indoor coil temperature TicAnd converting the collected signals into working mode switching of the air conditioner, frequency F adjustment of the compressor and rotating speed R of the indoor fanNAdjusting and outdoor fan rotating speed RWAdjusting and expanding valve opening
Figure FDA0002228534800000032
Adjusting and assisting the state of the heating device and adjusting the swing blade angle;
the action unit is used for controlling the working mode of the air conditioner, the frequency F of the compressor and the rotating speed R of the indoor fan according to the instruction signal given by the signal conversion processing unitNAnd the rotating speed R of the outdoor fanWOpening degree of expansion valve
Figure FDA0002228534800000031
The heating state of the auxiliary heating device and the swing blade angle are correspondingly adjusted.
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WO2023071198A1 (en) * 2021-10-28 2023-05-04 青岛海尔空调器有限总公司 Dehumidification method and device of air conditioner, storage medium, and air conditioner
CN114110913B (en) * 2021-11-09 2022-12-13 珠海格力电器股份有限公司 Air conditioning system, anti-condensation control method and device thereof, storage medium and processor
CN114110913A (en) * 2021-11-09 2022-03-01 珠海格力电器股份有限公司 Air conditioning system, anti-condensation control method and device thereof, storage medium and processor
CN114151943A (en) * 2021-12-06 2022-03-08 珠海格力电器股份有限公司 Dehumidification control method and device for air conditioner, storage medium and air conditioner
CN114151943B (en) * 2021-12-06 2022-10-28 珠海格力电器股份有限公司 Dehumidification control method and device of air conditioner, storage medium and air conditioner

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