CN114543346A - Anti-condensation control method and control device for air conditioner and air conditioner - Google Patents
Anti-condensation control method and control device for air conditioner and air conditioner Download PDFInfo
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- CN114543346A CN114543346A CN202210073716.9A CN202210073716A CN114543346A CN 114543346 A CN114543346 A CN 114543346A CN 202210073716 A CN202210073716 A CN 202210073716A CN 114543346 A CN114543346 A CN 114543346A
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- dew point
- point temperature
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
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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
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—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
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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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention provides an anti-condensation control method of an air conditioner, wherein the air conditioner comprises a shell, an air deflector and an air supply fan, wherein the shell is provided with an air outlet; the air deflector is movably arranged at the air outlet and used for adjusting the air outlet direction; the method comprises the following steps: when the air conditioner operates and refrigerates, acquiring the air outlet temperature of the air conditioner; acquiring the dew point temperature of the indoor environment where the air conditioner is located; and adjusting the position of the air deflector and the steering direction of the air supply fan according to the air outlet temperature and the dew point temperature so as to prevent condensation. The anti-condensation control method of the air conditioner can effectively prevent the generation of condensation.
Description
Technical Field
The invention relates to the technical field of air conditioning, in particular to an anti-condensation control method and device for an air conditioner and the air conditioner.
Background
When the air conditioner is started to refrigerate by low wind, the environment of the air deflector is a hot environment, so when cold wind is alternately received, the air deflector and the like can be dewed. At present, the problem of condensation and water dripping of an air deflector of an air conditioner is not solved well all the time, customer complaints are often received in the air conditioning industry, and the water dripping of the air conditioner wets a bed head or a floor.
Disclosure of Invention
An object of the present invention is to provide a condensation prevention control method for an air conditioner, which can effectively prevent the generation of condensation of an air guide plate.
A further object of the present invention is to provide an anti-condensation control method for an air conditioner that is easy to implement and does not add additional component cost.
Particularly, the invention provides an anti-condensation control method of an air conditioner, wherein the air conditioner comprises a shell, an air deflector and an air supply fan, and an air outlet is formed in the shell; the air deflector is movably arranged at the air outlet and used for adjusting the air outlet direction; the method comprises the following steps:
when the air conditioner operates for refrigeration, acquiring the air outlet temperature of the air conditioner;
acquiring the dew point temperature of the indoor environment where the air conditioner is located;
according to the air outlet temperature and the dew point temperature, the position of the air deflector and the steering direction of the air supply fan are adjusted to prevent condensation.
Optionally, the step of obtaining the dew point temperature of the indoor environment where the air conditioner is located includes:
acquiring the environment relative humidity of the indoor environment where the air conditioner is located;
the dew point temperature is determined from the ambient relative humidity.
Optionally, the step of determining the dew point temperature from the ambient relative humidity comprises:
obtaining a calculation fitting formula of the dew point temperature, wherein the calculation fitting formula expresses the corresponding relation between the relative humidity of the environment and the dew point temperature;
inputting the relative humidity of the environment into a calculation fitting formula for calculation to obtain the dew point temperature;
wherein the calculation fitting formula is as follows:
e＝UEW/100；
wherein, TdIs the dew point temperature, e is TdSaturated water vapor pressure of E0The saturated water vapor pressure value at 0 ℃, a is coefficient 7.69, b is coefficient 243.92, U is the ambient relative humidity, EWThe saturated vapor pressure of the pure water level.
Optionally, the air deflector has opposite windward and leeward sides; according to air-out temperature and dew point temperature, the step of adjusting the position of aviation baffle and the turning to of air supply fan in order to prevent the condensation and produce includes:
judging whether the outlet air temperature is lower than the dew point temperature;
if so, the air deflector is controlled to rotate to adjust the position of the air deflector so as to enable the temperatures of the windward side and the leeward side to be close.
Optionally, the step of determining whether the outlet air temperature is lower than the dew point temperature includes:
calculating the sum of the dew point temperature and a preset deviation threshold value to obtain a deviation temperature;
and judging whether the outlet air temperature is less than the deviation temperature, wherein the preset deviation threshold value is a positive number.
The method for controlling the rotation of the air deflector to adjust the position of the air deflector so as to enable the temperature of the windward side and the leeward side to be similar comprises the following steps:
controlling the air deflector to rotate to adjust the position of the air deflector;
acquiring the temperature of the windward side of the air deflector to obtain a first temperature;
acquiring the temperature of the leeward side of the air deflector to obtain a second temperature;
judging whether the difference value between the second temperature and the first temperature is smaller than a preset temperature difference threshold value or not;
if so, controlling the air deflector to stop rotating.
Optionally, the step of making the temperatures of the windward side and the leeward side similar further includes:
and controlling the motor of the air supply fan to rotate reversely intermittently.
Optionally, the step of controlling the intermittent reverse rotation of the motor of the blower fan comprises:
and controlling the motor to repeat a plurality of rotation periods, wherein in each rotation period, the motor rotates in a first direction and keeps a first preset maintaining time, then rotates in a second direction and keeps a second preset maintaining time, and then the next rotation period is carried out, wherein the first direction and the second direction are opposite, and the second preset maintaining time is less than the first preset maintaining time.
The invention also provides a control device of the air conditioner, which comprises a processor and a memory, wherein the memory stores a machine executable program, and the machine executable program is used for realizing the condensation prevention control method of the air conditioner when being executed by the processor.
The invention also provides an air conditioner which is provided with the control device of the air conditioner.
According to the anti-condensation control method of the air conditioner, when the air conditioner operates for refrigeration, the air outlet temperature of the air conditioner and the dew point temperature of the indoor environment where the air conditioner is located are obtained, and then the position of the air deflector and the steering direction of the air supply fan are adjusted according to the air outlet temperature and the dew point temperature, so that condensation can be effectively prevented.
Furthermore, in the anti-condensation control method of the air conditioner, when the outlet air temperature is judged to be lower than the dew point temperature, the air deflector is controlled to rotate so as to enable the temperatures of the windward side and the leeward side to be close, the air deflector can be in a coanda effect as much as possible, the temperatures of the windward side and the leeward side are enabled to be close, cold and heat intersection is avoided, and condensation is prevented.
Furthermore, in the anti-condensation control method of the air conditioner, after the step of controlling the air deflector to rotate to adjust the position of the air deflector so as to enable the temperatures of the windward side and the leeward side to be close, the intermittent reversal of the motor of the air supply fan is controlled, so that the condensation at the air deflector can be dried, the condensation of the air deflector is further prevented from forming water drops and dropping, and the cost is hardly increased additionally.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
fig. 1 is a schematic structural view of an air conditioner according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of an air deflector of the air conditioner shown in fig. 1.
Fig. 3 is a block diagram schematically showing the component configuration of the air conditioner shown in fig. 1.
Fig. 4 is a flowchart of a condensation prevention control method of the air conditioner shown in fig. 1.
Fig. 5 is a detailed flowchart of a condensation prevention control method of the air conditioner shown in fig. 1.
Detailed Description
Fig. 1 is a schematic structural view of an air conditioner 100 according to an embodiment of the present invention. Fig. 2 is a schematic structural view of the air guide plate 103 of the air conditioner 100 shown in fig. 1. Fig. 3 is a block diagram schematically showing the component configuration of the air conditioner 100 shown in fig. 1. Fig. 4 is a flowchart of a condensation prevention control method of the air conditioner 100 shown in fig. 1.
As shown in fig. 1, an embodiment of the present invention provides an air conditioner 100, which includes a casing 101, an air deflector 103, and an air supply fan 104, wherein the casing 101 is provided with an air outlet 102; the air deflector 103 is movably disposed at the air outlet 102 for adjusting the air outlet direction. A heat exchanger is further disposed in the casing 101 for exchanging heat with air entering the casing 101 to form a heat exchange air flow. The blower fan 104 is used to promote indoor air to flow into the casing 101 through an air inlet (not shown) and blow to the air outlet 102. As shown in fig. 4, the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention includes the steps of:
s102: when the air conditioner 100 operates for refrigeration, acquiring the air outlet temperature of the air conditioner 100;
s104: acquiring the dew point temperature of the indoor environment where the air conditioner 100 is located;
s106: according to the air outlet temperature and the dew point temperature, the position of the air deflector 103 and the rotation direction of the air supply fan 104 are adjusted to prevent condensation.
According to the anti-condensation control method of the air conditioner 100, provided by the embodiment of the invention, when the air conditioner 100 operates for refrigeration, the air outlet temperature of the air conditioner 100 and the dew point temperature of the indoor environment where the air conditioner 100 is located are obtained, and then the position of the air deflector 103 and the steering direction of the air supply fan 104 are adjusted according to the air outlet temperature and the dew point temperature, so that the generation of condensation can be effectively prevented.
An embodiment of the present invention further provides a control apparatus 300 of an air conditioner 100, including a processor 301 and a memory 302, where an machine executable program 320 is stored in the memory 302, and when the machine executable program 320 is executed by the processor 301, the control apparatus is configured to implement the anti-condensation control method of the air conditioner 100.
In the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention, the step of obtaining the dew point temperature of the indoor environment where the air conditioner 100 is located includes:
acquiring the environmental relative humidity of the indoor environment in which the air conditioner 100 is located;
the dew point temperature is determined from the ambient relative humidity.
The step of determining the dew point temperature from the ambient relative humidity comprises:
obtaining a calculation fitting formula of the dew point temperature, wherein the calculation fitting formula expresses the corresponding relation between the relative humidity of the environment and the dew point temperature;
inputting the relative humidity of the environment into a calculation fitting formula for calculation to obtain the dew point temperature;
wherein the calculation fitting formula is as follows:
e＝UE W100; (formula two)
Wherein, TdIs the dew point temperature, e is TdSaturated water vapor pressure of E0The saturated water vapor pressure value at 0 ℃ is 6.1078 hPa; a is a factor of 7.69, b is a factor of 243.92, U is the ambient relative humidity, EWThe saturated vapor pressure of the pure water level. EWThe data can be obtained by searching big data, and can also be obtained by calculation.
When the air conditioner 100 is turned on to cool, it is not possible to know that the air conditioner 100 has entered the condensation process until the dew point temperature of the current environment is obtained. The dew point temperature needs to be calculated, and the invention selects a calculation mode to obtain the dew point temperature.
The dew point temperature using the Maglas equation is:
the formula is converted to obtain:
as shown in fig. 2, the wind deflector 103 has opposite windward and leeward sides 131, 132; the step of adjusting the position of the air deflector 103 and the direction of rotation of the air supply fan 104 to prevent condensation according to the air outlet temperature and the dew point temperature includes:
judging whether the outlet air temperature is lower than the dew point temperature;
if yes, the wind deflector 103 is controlled to rotate to adjust the position of the wind deflector 103 so as to make the temperatures of the windward side 131 and the leeward side 132 close.
In the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention, when the outlet air temperature is determined to be less than the dew point temperature, the air guide plate 103 is controlled to rotate to adjust the position of the air guide plate 103 so as to enable the temperatures of the windward side 131 and the leeward side 132 to be similar, so that the air guide plate 103 can be in the coanda effect as much as possible, the temperatures of the windward side 131 and the leeward side 132 are similar, thereby avoiding the cold-hot junction and further facilitating the prevention of condensation. That is, when condensation is about to occur, the air guide plate 103 is controlled to be in the cold air flow, so that the windward side 131 and the leeward side 132 are uniformly cooled, and the formation of condensation can be reduced.
In the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention, the step of determining whether the outlet air temperature is lower than the dew point temperature includes:
calculating the sum of the dew point temperature and a preset deviation threshold value to obtain a deviation temperature;
and judging whether the outlet air temperature is less than the deviation temperature, wherein the preset deviation threshold value is a positive number.
The predetermined deviation threshold may be 1-3 deg.C, such as 1 deg.C, 2 deg.C, 3 deg.C. By setting the deviation temperature, the air deflector 103 and the air supply fan 104 can be controlled at 1-3 ℃ in advance, so that the generation of condensation can be better prevented.
In the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention, the step of controlling the air deflector 103 to rotate to adjust the position of the air deflector 103 so as to make the temperatures of the windward side 131 and the leeward side 132 close to each other includes:
controlling the air deflector 103 to rotate to adjust the position of the air deflector 103;
acquiring the temperature of the windward side 131 of the air deflector 103 to obtain a first temperature;
acquiring the temperature of the leeward surface 132 of the air deflector 103 to obtain a second temperature;
judging whether the difference value between the second temperature and the first temperature is smaller than a preset temperature difference threshold value or not;
if yes, the air deflector 103 is controlled to stop rotating.
The predetermined temperature difference threshold may be 0.5-2 deg.C, such as 0.5 deg.C, 1 deg.C, 2 deg.C.
As shown in fig. 2 and 3, an outlet air temperature sensor 201 may be disposed on a side of the blower fan 104 close to the outlet 102 to detect the outlet air temperature. The detection of the ambient relative humidity of the indoor environment may be achieved by providing a humidity sensor 202 on the exterior of the cabinet 101. A first temperature sensor 203 is provided on the windward side 131 of the air deflector 103 to detect the temperature of the windward side 131 of the air deflector 103. A second temperature sensor 204 is provided on the leeward surface 132 of the air guide plate 103 for detecting the temperature of the leeward surface 132 of the air guide plate 103.
In the method for controlling condensation prevention of the air conditioner 100 according to the embodiment of the present invention, after the step of controlling the air deflector 103 to rotate to adjust the position of the air deflector 103 so as to make the temperatures of the windward side 131 and the leeward side 132 close to each other, the method further includes: the motor of the blower fan 104 is controlled to intermittently rotate in reverse. In the anti-condensation control method of the air conditioner 100 according to the embodiment of the present invention, after the step of controlling the air deflector 103 to rotate to adjust the position of the air deflector 103 so that the temperatures of the windward side 131 and the leeward side 132 are similar, the method further includes controlling the motor of the air supply fan 104 to rotate intermittently, so that the condensation at the air deflector 103 can be dried, further, the air deflector 103 is prevented from being condensed to form water drops, and the cost is hardly increased.
In the condensation prevention control method of the air conditioner 100 according to the embodiment of the present invention, the step of controlling the intermittent reverse rotation of the motor of the air supply fan 104 includes: the motor of the blower fan 104 is controlled to repeat a plurality of rotation cycles, wherein in each rotation cycle, the motor is rotated in a first direction and maintained for a first preset maintenance time, then rotated in a second direction and maintained for a second preset maintenance time, and then the next rotation cycle is performed. The first direction and the second direction are opposite directions, and the second preset maintaining time is less than the first preset maintaining time. For example, the motor of the blower fan 104 rotates forward for 10min, then rotates backward for 1min, and then repeats the forward rotation for 10min, and then rotates backward for 1 min.
Fig. 5 is a detailed flowchart of a condensation prevention control method of the air conditioner 100 shown in fig. 1. The anti-condensation control method of the air conditioner 100 of the embodiment of the invention comprises the following steps:
s202: when the air conditioner 100 operates for refrigeration, the outlet air temperature of the air conditioner 100 is obtained.
S204: the ambient relative humidity of the indoor environment in which the air conditioner 100 is located is obtained.
S206: and obtaining a calculation fitting formula of the dew point temperature.
S208: and inputting the relative humidity of the environment into a calculation fitting formula for calculation to obtain the dew point temperature.
S210: and calculating the sum of the dew point temperature and a preset deviation threshold value to obtain the deviation temperature.
S212: and judging whether the outlet air temperature is less than the deviation temperature. If the determination result in step S212 is yes, go to step S214; if the determination result in step S212 is no, the process returns to step S202.
S214: the air deflector 103 is controlled to rotate to adjust the position of the air deflector 103.
S216: the temperature of the windward side 131 of the air deflector 103 is obtained to obtain a first temperature.
S218: the temperature of the leeward surface 132 of the air deflector 103 is obtained to obtain a second temperature.
S220: and judging whether the difference value between the second temperature and the first temperature is smaller than a preset temperature difference threshold value. If the determination result in the step S220 is yes, go to step S222; if the determination result in step S220 is negative, step S214 is continuously performed.
S222: the motor of the blower fan 104 is controlled to intermittently rotate in reverse.
The anti-condensation control method of the air conditioner 100 provided by the embodiment of the invention can accurately avoid the problem that the air conditioner 100 is condensed and drips, simultaneously meets the requirements of different use environments, and provides better experience for users.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. An anti-condensation control method of an air conditioner comprises a shell, an air deflector and an air supply fan, wherein an air outlet is formed in the shell; the air deflector is movably arranged at the air outlet and used for adjusting the air outlet direction; the method comprises the following steps:
when the air conditioner operates and refrigerates, acquiring the air outlet temperature of the air conditioner;
acquiring the dew point temperature of the indoor environment where the air conditioner is located;
and adjusting the position of the air deflector and the steering direction of the air supply fan according to the air outlet temperature and the dew point temperature so as to prevent condensation.
2. The anti-condensation control method according to claim 1, wherein the step of obtaining the dew point temperature of the indoor environment in which the air conditioner is located includes:
acquiring the environment relative humidity of the indoor environment where the air conditioner is located;
and determining the dew point temperature according to the environment relative humidity.
3. The anti-condensation control method according to claim 2, wherein the step of determining the dew point temperature from the ambient relative humidity comprises:
obtaining a calculation fitting formula of the dew point temperature, wherein the calculation fitting formula expresses the corresponding relation between the environment relative humidity and the dew point temperature;
inputting the relative humidity of the environment into the calculation fitting formula for calculation to obtain the dew point temperature; wherein the calculation fitting formula is:
e＝UEw/100；
wherein, TdIs the dew point temperature, e is TdSaturated water vapor pressure of E0The saturated water vapor pressure value at 0 ℃, a is a coefficient of 7.69, b is a coefficient of 243.92, U is the ambient relative humidity, EWThe saturated vapor pressure of the pure water level.
4. The anti-condensation control method according to claim 3, wherein the air deflector has opposite windward and leeward sides; the step of adjusting the position of the air deflector and the steering direction of the air supply fan to prevent condensation according to the air outlet temperature and the dew point temperature comprises the following steps:
judging whether the outlet air temperature is lower than the dew point temperature or not;
if so, controlling the air deflector to rotate to adjust the position of the air deflector so as to enable the temperatures of the windward side and the leeward side to be similar.
5. The anti-condensation control method according to claim 4, wherein the step of determining whether the outlet air temperature is lower than the dew point temperature includes:
calculating the sum of the dew point temperature and a preset deviation threshold value to obtain a deviation temperature;
and judging whether the outlet air temperature is smaller than the deviation temperature or not, wherein the preset deviation threshold is a positive number.
6. The anti-condensation control method according to claim 4, wherein the step of controlling the air deflector to rotate to adjust the position of the air deflector so that the temperatures of the windward side and the leeward side are similar comprises:
controlling the air deflector to rotate to adjust the position of the air deflector;
acquiring the temperature of the windward side of the air deflector to obtain a first temperature;
acquiring the temperature of the leeward side of the air deflector to obtain a second temperature;
judging whether the difference value between the second temperature and the first temperature is smaller than a preset temperature difference threshold value or not;
if yes, controlling the air deflector to stop rotating.
7. The anti-condensation control method according to claim 4, wherein the step of approximating the temperatures of the windward side and the leeward side further comprises:
and controlling the motor of the air supply fan to rotate reversely intermittently.
8. The anti-condensation control method according to claim 7, wherein the step of controlling the intermittent reverse rotation of the motor of the blower fan includes:
and controlling the motor to repeat a plurality of rotation periods, wherein in each rotation period, the motor rotates in a first direction and keeps a first preset maintaining time, then rotates in a second direction and keeps a second preset maintaining time, and then the next rotation period is carried out, wherein the first direction and the second direction are opposite, and the second preset maintaining time is less than the first preset maintaining time.
9. A control apparatus of an air conditioner, comprising a processor and a memory, the memory storing a machine-executable program, and the machine-executable program being executed by the processor for implementing an anti-condensation control method of the air conditioner according to any one of claims 1 to 8.
10. An air conditioner having the control device of the air conditioner according to claim 9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073716.9A CN114543346A (en) | 2022-01-21 | 2022-01-21 | Anti-condensation control method and control device for air conditioner and air conditioner |
| PCT/CN2022/121345 WO2023138091A1 (en) | 2022-01-21 | 2022-09-26 | Anti-condensation control method and control apparatus for air conditioner, and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210073716.9A CN114543346A (en) | 2022-01-21 | 2022-01-21 | Anti-condensation control method and control device for air conditioner and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114543346A true CN114543346A (en) | 2022-05-27 |
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| CN202210073716.9A Pending CN114543346A (en) | 2022-01-21 | 2022-01-21 | Anti-condensation control method and control device for air conditioner and air conditioner |
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| WO (1) | WO2023138091A1 (en) |
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| WO2023138091A1 (en) * | 2022-01-21 | 2023-07-27 | 青岛海尔空调器有限总公司 | Anti-condensation control method and control apparatus for air conditioner, and air conditioner |
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