CN111520872A - Anti-condensation control method and device and air conditioner - Google Patents

Anti-condensation control method and device and air conditioner Download PDF

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Publication number
CN111520872A
CN111520872A CN202010390010.6A CN202010390010A CN111520872A CN 111520872 A CN111520872 A CN 111520872A CN 202010390010 A CN202010390010 A CN 202010390010A CN 111520872 A CN111520872 A CN 111520872A
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China
Prior art keywords
air conditioner
expansion valve
mode
controlling
relative humidity
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Pending
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CN202010390010.6A
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Chinese (zh)
Inventor
陈伟
应必业
王文洁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Application filed by Aux Air Conditioning Co Ltd, Ningbo Aux Electric Co Ltd filed Critical Aux Air Conditioning Co Ltd
Priority to CN202010390010.6A priority Critical patent/CN111520872A/en
Publication of CN111520872A publication Critical patent/CN111520872A/en
Pending legal-status Critical Current

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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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—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
    • F24F11/88—Electrical aspects, e.g. 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
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

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

Abstract

The invention provides an anti-condensation control method and device and an air conditioner. The anti-condensation control method is used for the air conditioner, and comprises the following steps: acquiring an operation mode of an air conditioner; when the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode, acquiring the relative humidity of the indoor environment where an indoor unit of the air conditioner is located; and if the relative humidity is not less than the first preset humidity, controlling the air conditioner to enter an isothermal dehumidification mode. Under the high temperature and high humidity scene, can dehumidify fast to guarantee higher air-out temperature, thereby avoid forming the comdenstion water at the air conditioner air outlet, promote user experience comfort level.

Description

Anti-condensation control method and device and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an anti-condensation control method and device and an air conditioner.
Background
In the rainy season of some areas, the air temperature and humidity are high, and users have urgent demands for cooling and dehumidifying of air conditioners. In the related technology, when the air conditioner operates in a refrigerating mode, condensation prevention setting is not carried out on an air conditioning system, so that the air outlet temperature of the air conditioner is very low, and condensation water is formed at an air outlet of the air conditioner when low-temperature air outlet meets indoor high-temperature high-humidity air. The condensed water is gradually collected and drips from the outer surface of the air conditioner, so that the normal use of the air conditioner is influenced.
In order to avoid generating condensed water, the temperature of an air outlet of a part of air conditioners is improved by reducing the operation frequency, but the refrigerating capacity of the air conditioners can be greatly reduced, the time required for refrigerating to the set temperature is too long, and the use comfort of users is influenced.
Disclosure of Invention
The invention mainly aims to provide an anti-condensation control method, an anti-condensation control device and an air conditioner.
The invention provides an anti-condensation control method for an air conditioner, which comprises the following steps: acquiring an operation mode of the air conditioner; when the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode, acquiring the relative humidity of the indoor environment where an indoor unit of the air conditioner is located; and if the relative humidity is not less than the first preset humidity, controlling the air conditioner to enter an isothermal dehumidification mode.
From this, under the high temperature and high humidity scene, can dehumidify fast to avoid forming the comdenstion water at air conditioner air outlet, promote user experience comfort level.
Optionally, the method further comprises: and if the relative humidity is not greater than a second preset temperature, controlling the air conditioner to enter a refrigeration mode.
From this, just refrigerate after the dehumidification to rapid cooling further promotes user experience comfort level.
Optionally, the method further comprises: and if the relative humidity is greater than the second preset humidity and less than the first preset humidity, controlling the air conditioner to operate in the current mode.
Therefore, the running state of the air conditioner is prevented from being frequently switched, and the comfort level of user experience is guaranteed.
Optionally, the air conditioner includes a first expansion valve, a first evaporator, a second expansion valve, and a second evaporator, the first expansion valve controls a flow rate of a refrigerant flowing through the first evaporator, the second expansion valve controls a flow rate of a refrigerant flowing through the second evaporator, and the controlling the air conditioner to enter the isothermal dehumidification mode includes: and controlling the first expansion valve and the second expansion valve to enable the air conditioner to enter an isothermal dehumidification mode.
Optionally, the controlling the first expansion valve and the second expansion valve to make the air conditioner enter an isothermal dehumidification mode includes: and controlling the opening degree of the first expansion valve to be 100%, and reducing the opening degree of the second expansion valve so that the air conditioner enters an isothermal dehumidification mode.
Optionally, the air conditioner includes a first expansion valve, a first evaporator, a second expansion valve, and a second evaporator, the first expansion valve controls a flow rate of a refrigerant flowing through the first evaporator, and the second expansion valve controls a flow rate of a refrigerant flowing through the second evaporator, and the controlling the air conditioner to enter the cooling mode includes: and controlling the first expansion valve and the second expansion valve to enable the air conditioner to enter a cooling mode.
Optionally, the controlling the first expansion valve and the second expansion valve to make the air conditioner enter a cooling mode includes: and reducing the opening degree of the first expansion valve, and controlling the opening degree of the second expansion valve to be 100% so that the air conditioner enters a cooling mode.
Therefore, the operation mode of the air conditioner can be controlled by controlling the opening degrees of the two expansion valves, the operation is convenient, other dehumidifying parts are not required to be added, and the cost is reduced.
Optionally, the acquiring the relative humidity of the indoor environment where the indoor unit of the air conditioner is located includes: and acquiring the relative humidity of the indoor environment where the indoor unit of the air conditioner is located in real time.
From this, improved the speed of preventing condensation control, realized faster dehumidification and cooling, further promoted user experience comfort level.
In another aspect, the present invention provides a condensation prevention control apparatus for an air conditioner, the apparatus comprising: the first acquisition module is used for acquiring the operation mode of the air conditioner; the second acquisition module is used for acquiring the relative humidity of the indoor environment where the indoor unit of the air conditioner is located when the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode; the control module is used for controlling the air conditioner to enter an isothermal dehumidification mode if the relative humidity is not less than a first preset humidity; if the relative humidity is not greater than a second preset temperature, the control module is further used for controlling the air conditioner to enter a refrigeration mode; if the relative humidity is larger than the second preset humidity and smaller than the first preset humidity, the control module is further used for controlling the air conditioner to operate in the current mode.
The advantages of the anti-condensation control device are the same as those of the anti-condensation control method, and are not described again here.
Another aspect of the present invention provides an air conditioner, comprising: a memory; a processor, the memory storing a program that when executed by the processor implements the anti-condensation control method as described above.
The air conditioner has the same advantages as the anti-condensation control method, and the detailed description is omitted here.
Drawings
FIG. 1 is a flow chart that schematically illustrates a method for controlling condensation prevention, in accordance with an embodiment of the present invention;
FIG. 2 schematically illustrates a flow chart of a condensation prevention control method provided by another embodiment of the invention;
FIG. 3 is a block diagram schematically illustrating the construction of an air conditioner refrigeration system according to an embodiment of the present invention;
fig. 4 schematically illustrates a block diagram of an anti-condensation control apparatus according to an embodiment of the present invention.
Description of reference numerals:
1-a first expansion valve; 2-a first evaporator; 3-a second expansion valve; 4-a second evaporator; 5-a condenser; 6-compressor.
Detailed Description
In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 schematically illustrates a flowchart of an anti-condensation control method according to an embodiment of the present invention. As shown in fig. 1, the anti-condensation control method includes operations S110 to S130.
In operation S110, an operation mode of the air conditioner is acquired.
The operation modes of the air conditioner include, for example, a heating mode, a cooling mode, a dehumidification mode, a ventilation mode, and the like. When the air conditioner is in a heating mode or a ventilation mode, condensation can not be formed at an air outlet of the air conditioner generally; when the air conditioner is in a cooling mode or a dehumidifying mode, condensation may be formed at the outlet of the air conditioner. Therefore, when the air conditioner is in the refrigeration mode or dehumidification mode, need prevent condensation control fast to avoid forming the condensation at air conditioner air outlet, promote user experience comfort level.
In operation S120, when the operation mode of the air conditioner is the cooling mode or the dehumidification mode, the relative humidity of the indoor environment where the indoor unit of the air conditioner is located is obtained.
The relative humidity of the indoor environment where the indoor unit of the air conditioner is located can be detected by arranging the humidity sensor, and whether condensation can be formed at the air outlet of the air conditioner is judged according to the relative humidity of the indoor environment where the indoor unit of the air conditioner is located.
The humidity sensor is disposed, for example, on an outside of an indoor unit of the air conditioner to detect a relative humidity of an indoor environment. The humidity sensor may also be disposed at the air conditioner outlet to detect the relative humidity of the indoor environment, which is closer to the relative humidity of the air conditioner outlet.
In operation S130, if the relative humidity is not less than the first preset humidity, the air conditioner is controlled to enter the isothermal dehumidification mode.
When the relative humidity of the indoor environment is not less than the first preset humidity, the indoor environment is indicated to be a high-humidity environment, condensation is easily formed at the air outlet of the air conditioner, and the air conditioner needs to be controlled to rapidly dehumidify the indoor environment.
In this embodiment, a value of the first preset humidity may be set according to a specific application scenario of the air conditioner, where a value of the first preset humidity is, for example, 60% or 70%. Other values of the first preset humidity can be obtained by those skilled in the art according to the description of the embodiment.
The isothermal dehumidification mode means that the air conditioner dehumidifies the indoor environment and has higher air outlet temperature. Specifically, the air outlet temperature of the air conditioner is the same as the indoor environment temperature, or the air outlet temperature of the air conditioner is lower than the indoor environment temperature, and the difference value between the air outlet temperature of the air conditioner and the indoor environment temperature is smaller so as to ensure that condensation cannot be formed.
In this embodiment, when the air conditioner was in refrigeration mode or dehumidification mode, when the relative humidity of the indoor environment that the air conditioner indoor unit was located was not less than first predetermined humidity, the control air conditioner got into isothermal dehumidification mode, can dehumidify fast to guarantee higher air-out temperature, thereby avoid forming the condensation at air conditioner air outlet, promote user experience comfort level.
Fig. 2 schematically shows a flowchart of an anti-condensation control method according to another embodiment of the present invention. Referring to fig. 2, with reference to fig. 3, the anti-condensation control method in the present embodiment will be described in detail. As shown in fig. 2, the anti-condensation control method includes operations S210 to S270.
In operation S210, an operation mode of the air conditioner is acquired.
In operation S220, when the operation mode of the air conditioner is the cooling mode or the dehumidification mode, the relative humidity of the indoor environment where the indoor unit of the air conditioner is located is obtained.
In this embodiment, when it is detected that the operation mode of the air conditioner is the cooling mode or the dehumidification mode, the relative humidity of the environment where the indoor unit of the air conditioner is located is obtained in real time, so as to improve the speed of the anti-condensation control. Specifically, the relative humidity of the indoor environment detected by the humidity sensor is acquired in real time, for example.
In operation S230, it is determined whether the relative humidity is not less than a first preset humidity.
Specifically, when the relative humidity Φ of the indoor environment is not less than the first preset humidity Φ1When phi is more than or equal to phi1Then, operation S240 is performed; when the relative humidity phi of the indoor environment is less than the first preset humidity phi1When phi is less than phi1Then, operation S250 is performed.
And operation S240, controlling the air conditioner to enter an isothermal dehumidification mode.
Relative humidity phi of indoor environment is not less than first preset humidity phi1I.e. phi is greater than or equal to phi1The indoor environment is a high humidity environment, and the air conditioner needs to be controlled to rapidly dehumidify the indoor environment.
Referring to fig. 3, in the present embodiment, the refrigeration system of the air conditioner includes a first expansion valve 1, a first evaporator 2, a second expansion valve 3, a second evaporator 4, a condenser 5 and a compressor 6. The refrigeration system controls the flow of the refrigerant flowing through the first evaporator 2 by the first expansion valve 1, and controls the flow of the refrigerant flowing through the second evaporator 4 by the second expansion valve 3. One end of the first evaporator 2 is connected to one end of a condenser 5 through a first expansion valve 1, the other end of the first evaporator 2 is connected to one end of a second evaporator 4 through a second expansion valve 3, the other end of the second evaporator 4 is connected to a compressor 6, and the other end of the condenser 5 is connected to the compressor 6. It will be appreciated that the condenser 5 is one type of heat exchanger that can convert a gas or vapour into a liquid and transfer the heat to the surrounding air in a rapid manner, the operation of the condenser being exothermic.
In operation S240, the refrigerant flow rates flowing through the first evaporator 2 and the second evaporator 4 are controlled by controlling the opening degrees of the first expansion valve 1 and the second expansion valve 3, respectively, so that the air conditioner enters the isothermal dehumidification mode. Specifically, the opening degree of the first expansion valve 1 is controlled to be 100% to communicate the first evaporator 2 and the condenser 5, and the flow rate of the refrigerant flowing through the first evaporator 2 is increased, so that the working states of the first evaporator 2 and the condenser 5 are the same, the first evaporator 2 becomes a part of the condenser of the air conditioner, the first evaporator 2 and the condenser 5 both heat the indoor air, the air outlet temperature of the air conditioner is increased, and the air outlet temperature is the same as the indoor environment temperature; the opening degree of the second expansion valve 3 may be decreased, and for example, the second expansion valve 3 may be closed or the opening degree of the second expansion valve 3 may be adjusted to be small enough to decrease the flow rate of the refrigerant flowing into the second evaporator 4, so that the second evaporator 4 evaporates and dehumidifies the indoor air. The air after first evaporimeter 2 and the processing of second evaporimeter 4 mixes, and the air-out temperature is higher to dehumidify indoor air fast, thereby avoid appearing the condensation at indoor set air outlet.
In operation S250, it is determined whether the relative humidity is greater than a second preset humidity.
Specifically, when the relative humidity phi of the indoor environment is not more than the second preset humidity phi2When phi is less than or equal to phi2Then, operation S260 is performed; when the relative humidity phi of the indoor environment is larger than the second preset humidity phi2When is i phi2＜Φ＜Φ1Then, operation S270 is performed.
In this embodiment, the second preset humidity Φ may be set according to a specific application scenario of the air conditioner2Value of (d), second predetermined humidity Φ2Is less than a first predetermined humidity phi1Value of (d), second predetermined humidity Φ2The value of (b) is, for example, 30%, 40%, etc. Other second predetermined humidities Φ can be derived by one skilled in the art from the description of the embodiment2The value of (a).
And in operation S260, controlling the air conditioner to enter a cooling mode.
The relative humidity phi of the indoor environment is not more than a second preset humidity phi2I.e. phi is less than or equal to phi2And the humidity of the indoor environment is low, condensation can not be formed, the indoor environment does not need to be dehumidified, and the air conditioner is controlled to refrigerate.
In operation S260, the flow rates of the refrigerants passing through the first evaporator 2 and the second evaporator 4 are controlled by controlling the opening degrees of the first expansion valve 1 and the second expansion valve 3, respectively, so that the air conditioner enters a cooling mode. Specifically, the opening degree of the second expansion valve 3 is controlled to 100% to communicate the first evaporator 2 and the second evaporator 4 so that the operating states of the first evaporator 2 and the second evaporator 4 are the same; the opening degree of the first expansion valve 1 is reduced, and for example, the first expansion valve 1 may be closed or the opening degree of the first expansion valve 1 may be adjusted to be small enough to reduce the flow rate of the refrigerant flowing into the first evaporator 2, so that the first evaporator 2 and the second evaporator 4 perform the functions of evaporation and dehumidification. Because the relative humidity phi of the indoor environment is not more than the second preset humidity phi at the moment2When the air humidity of the indoor environment is low and the first evaporator 2 and the second evaporator 4 play roles of evaporation and dehumidification at the same time, the low-temperature air blown out by the air conditioner cannot form condensation at the air outlet of the indoor unit.
In operation S270, the air conditioner is controlled to operate in the current mode.
The relative humidity phi of the indoor environment is greater than a second preset humidity phi2And is less than a first preset humidity phi1I.e. phi2＜Φ＜Φ1And controlling the operation mode of the air conditioner to be unchanged, specifically, controlling the opening degrees of the first expansion valve 1 and the second expansion valve 3 to be kept unchanged, thereby avoiding frequently switching the operation state of the air conditioner and ensuring the comfort level of user experience.
In the embodiment of the disclosure, when the air conditioner is in a cooling mode or a dehumidification mode, if the relative humidity of the indoor environment where the indoor unit of the air conditioner is located is not less than the first preset humidity, the air conditioner is controlled to enter the isothermal dehumidification mode, so that the air conditioner can rapidly dehumidify and ensure a higher outlet air temperature, thereby preventing condensation from forming at an air outlet of the air conditioner; if the relative humidity of the indoor environment is not greater than the second preset humidity, controlling the air conditioner to enter a refrigeration mode so as to rapidly cool; if the relative humidity of the indoor environment is between the first preset humidity and the second preset humidity, the operation mode of the air conditioner is controlled to be unchanged, so that the operation state of the air conditioner is prevented from being frequently switched, and the user experience comfort level is improved.
Fig. 4 schematically illustrates a block diagram of an anti-condensation control apparatus according to an embodiment of the present invention. As shown in fig. 4, the anti-condensation control apparatus 400 includes a first obtaining module 410, a second obtaining module 420, and a control module 430.
The first obtaining module 410, for example, performs operation S110 for obtaining an operation mode of the air conditioner.
The second obtaining module 420, for example, performs operation S120, and is configured to obtain the relative humidity of the indoor environment where the indoor unit of the air conditioner is located when the operation mode of the air conditioner is the cooling mode or the dehumidification mode.
The control module 430, for example, performs operation S130 to control the air conditioner to enter the isothermal dehumidification mode when the relative humidity of the indoor environment in which the indoor unit of the air conditioner is located is not less than the first preset humidity. In addition, when the relative humidity of the indoor environment where the indoor unit of the air conditioner is located is not greater than the second preset temperature, the control module 430 is further configured to control the air conditioner to enter a cooling mode; when the relative humidity of the indoor environment where the indoor unit of the air conditioner is located is greater than the second preset humidity and less than the first preset humidity, the control module 430 is further configured to control the air conditioner to operate in the current mode.
The anti-condensation control device in this embodiment is used to execute the anti-condensation control method in the embodiments shown in fig. 1 to 3, and for details of this embodiment, please refer to the anti-condensation control method in the embodiments shown in fig. 1 to 3, which is not described herein again.
Another embodiment of the present disclosure provides an air conditioner, which includes a memory and a processor, where the memory stores a program, and the program is executed by the processor to implement the anti-condensation control method in the above embodiments.
The air conditioner has the same technical characteristics as the anti-condensation control method, has the same advantages as the anti-condensation control method in the embodiment, and is not described again here.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An anti-condensation control method for an air conditioner is characterized by comprising the following steps:
acquiring an operation mode of the air conditioner;
when the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode, acquiring the relative humidity of the indoor environment where an indoor unit of the air conditioner is located;
and if the relative humidity is not less than the first preset humidity, controlling the air conditioner to enter an isothermal dehumidification mode.
2. The anti-condensation control method according to claim 1, characterized in that the method further comprises:
and if the relative humidity is not greater than a second preset temperature, controlling the air conditioner to enter a refrigeration mode.
3. The anti-condensation control method according to claim 2, characterized in that the method further comprises:
and if the relative humidity is greater than the second preset humidity and less than the first preset humidity, controlling the air conditioner to operate in the current mode.
4. The anti-condensation control method according to claim 1, wherein the air conditioner comprises a first expansion valve, a first evaporator, a second expansion valve and a second evaporator, the flow rate of the refrigerant flowing through the first evaporator is controlled by the first expansion valve, the flow rate of the refrigerant flowing through the second evaporator is controlled by the second expansion valve, and the controlling the air conditioner to enter the isothermal dehumidification mode comprises: and controlling the first expansion valve and the second expansion valve to enable the air conditioner to enter an isothermal dehumidification mode.
5. The anti-condensation control method according to claim 4, wherein the controlling the first expansion valve and the second expansion valve to make the air conditioner enter an isothermal dehumidification mode comprises:
and controlling the opening degree of the first expansion valve to be 100%, and reducing the opening degree of the second expansion valve so that the air conditioner enters an isothermal dehumidification mode.
6. The anti-condensation control method according to claim 2, wherein the air conditioner comprises a first expansion valve, a first evaporator, a second expansion valve and a second evaporator, the flow of the refrigerant flowing through the first evaporator is controlled by the first expansion valve, the flow of the refrigerant flowing through the second evaporator is controlled by the second expansion valve, and the controlling the air conditioner to enter the cooling mode comprises:
and controlling the first expansion valve and the second expansion valve to enable the air conditioner to enter a cooling mode.
7. The anti-condensation control method according to claim 6, wherein the controlling the first expansion valve and the second expansion valve to make the air conditioner enter a cooling mode comprises:
and reducing the opening degree of the first expansion valve, and controlling the opening degree of the second expansion valve to be 100% so that the air conditioner enters a cooling mode.
8. The anti-condensation control method according to any one of claims 1 to 7, wherein the obtaining of the relative humidity of the indoor environment in which the indoor unit of the air conditioner is located comprises:
and acquiring the relative humidity of the indoor environment where the indoor unit of the air conditioner is located in real time.
9. An anti-condensation control device for an air conditioner, the device comprising:
the first acquisition module is used for acquiring the operation mode of the air conditioner;
the second acquisition module is used for acquiring the relative humidity of the indoor environment where the indoor unit of the air conditioner is located when the operation mode of the air conditioner is a refrigeration mode or a dehumidification mode;
the control module is used for controlling the air conditioner to enter an isothermal dehumidification mode if the relative humidity is not less than a first preset humidity; if the relative humidity is not greater than a second preset temperature, the control module is further used for controlling the air conditioner to enter a refrigeration mode; if the relative humidity is larger than the second preset humidity and smaller than the first preset humidity, the control module is further used for controlling the air conditioner to operate in the current mode.
10. An air conditioner, characterized in that the air conditioner comprises:
a memory;
a processor, the memory storing a program that when executed by the processor implements the anti-condensation control method of any one of claims 1-8.
CN202010390010.6A 2020-05-09 2020-05-09 Anti-condensation control method and device and air conditioner Pending CN111520872A (en)

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CN111964214A (en) * 2020-08-21 2020-11-20 宁波奥克斯电气股份有限公司 Control method and device for optimizing air conditioner condensation and air conditioner
CN112503726A (en) * 2020-12-08 2021-03-16 广东积微科技有限公司 Control method for reducing condensation risk of indoor unit of air conditioner
CN113587407A (en) * 2021-07-30 2021-11-02 美的集团武汉暖通设备有限公司 Air conditioner condensation prevention control method and device, air conditioner and storage medium
CN116007172A (en) * 2023-02-21 2023-04-25 宁波奥克斯电气股份有限公司 Negative oxygen ion air conditioner and control method

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CN113587407A (en) * 2021-07-30 2021-11-02 美的集团武汉暖通设备有限公司 Air conditioner condensation prevention control method and device, air conditioner and storage medium
CN116007172A (en) * 2023-02-21 2023-04-25 宁波奥克斯电气股份有限公司 Negative oxygen ion air conditioner and control method
CN116007172B (en) * 2023-02-21 2024-06-28 宁波奥克斯电气股份有限公司 Negative oxygen ion air conditioner and control method

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Application publication date: 20200811