CN112902403B - Air conditioner and anti-condensation control method and device thereof - Google Patents
Air conditioner and anti-condensation control method and device thereof Download PDFInfo
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- CN112902403B CN112902403B CN202110245832.XA CN202110245832A CN112902403B CN 112902403 B CN112902403 B CN 112902403B CN 202110245832 A CN202110245832 A CN 202110245832A CN 112902403 B CN112902403 B CN 112902403B
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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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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- 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
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Abstract
The application belongs to the field of air conditioners, and provides an air conditioner and an anti-condensation control method and device thereof, wherein the air conditioner is provided with the anti-condensation device, and the method comprises the following steps: acquiring state information of the air conditioner during operation; when the state information meets the preset anti-condensation starting condition, acquiring the operating parameter information of an anti-condensation component of the air conditioner; when the operation parameter information of the anti-condensation component belongs to a preset reliability range, the anti-condensation component is adjusted according to the reliability range, so that the air outlet temperature of the air conditioner is lower than a preset dew point temperature and higher than a first temperature, and the first temperature is the temperature at which the air conditioner starts to form condensation after the anti-condensation device acts. Under the prerequisite of guaranteeing the reliability of air conditioner adjustment through the reliability range, can satisfy user's refrigeration demand to control air-out humidity is greater than the first temperature that prevents that the condensation part forms the condensation, thereby can effectually reduce the risk that the air conditioner arouses the condensation.
Description
Technical Field
The application belongs to the field of air conditioners, and particularly relates to an air conditioner and an anti-condensation control method and device thereof.
Background
During the use of the air conditioner, if the humidity in the environment increases, water vapor in the air may form condensation on the surfaces or internal components of the air conditioner. When the condensation is more, water drops can be generated and dropped, other equipment can be damaged, and the use experience of a user is influenced.
The existing air conditioner condensation preventing method includes the mode of increasing the superheat degree of an evaporator or reducing the circulation quantity of a refrigerant. For example, by increasing the amount of air supplied to the cooling side. The possibility of causing condensation is reduced by reducing the opening degree of the throttle member, reducing the operating frequency of the compressor, or the like. This method can effectively reduce the risk of causing condensation, but it also can cause the ambient temperature to rise due to insufficient cooling capacity, or can not effectively reduce the ambient humidity, and during the adjustment process, the reliability of the air conditioner is easily reduced due to excessive adjustment.
Disclosure of Invention
In view of this, an embodiment of the present application provides an air conditioner and a method and an apparatus for controlling condensation prevention thereof, so as to solve the problem that in the condensation prevention control manner in the prior art, when the risk of condensation is reduced, the ambient humidity rises due to insufficient cooling capacity of the air conditioner, the ambient humidity cannot be effectively reduced, and the reliability of the air conditioner is not favorably ensured.
A first aspect of an embodiment of the present application provides a condensation prevention control method for an air conditioner, where the air conditioner is provided with a condensation prevention device, and the method includes:
acquiring state information of the air conditioner during operation;
when the state information meets the preset anti-condensation starting condition, acquiring the operating parameter information of an anti-condensation component of the air conditioner;
when the operation parameter information of the anti-condensation component belongs to a preset reliability range, the anti-condensation component is adjusted according to the reliability range, so that the air outlet temperature of the air conditioner is lower than a preset condensation temperature and higher than a first temperature, and the first temperature is the temperature at which the air conditioner starts to form condensation after the anti-condensation device acts.
With reference to the first aspect, in a first possible implementation manner of the first aspect, the state information includes an indoor temperature at which an air conditioner is located and humidity information of the air conditioner:
the state information accords with the preset condensation-preventing starting condition and comprises the following steps:
the indoor temperature of the air conditioner is less than or equal to the target temperature, and the humidity information of the air conditioner is greater than a preset humidity threshold value.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, the condition that the air conditioner humidity information is greater than a preset humidity threshold includes any one or more of the following conditions:
the return air humidity of the air conditioner is greater than or equal to the maximum value of a preset first humidity range;
the average humidity of a cold channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset second humidity range;
and the average humidity of the hot channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset third humidity range.
With reference to the first aspect, in a third possible implementation manner of the first aspect, when the operation parameter information of the anti-condensation component belongs to a preset reliability range, adjusting the anti-condensation component according to the reliability range includes one or more of the following manners:
when the evaporation pressure of an evaporator corresponding to the current state of the compressor is within a preset reliable range of the evaporation pressure, increasing the rotating speed of the compressor to a first rotating speed, so that the evaporation pressure of the evaporator of the air conditioner is the maximum value of the preset reliable range of the evaporation pressure, and the temperature in a pipe of the evaporator is smaller than the preset dew point temperature;
when the evaporation pressure of the evaporator corresponding to the current state of the inner fan is within a preset reliable range of the evaporation pressure, adjusting the rotating speed of the indoor fan to enable the evaporation pressure of the evaporator of the air conditioner to be the maximum value of the preset reliable range of the evaporation pressure;
when the whole machine air suction superheat degree corresponding to the state of the throttling component is in a preset air suction superheat degree reliable range, the throttling component is adjusted in the air suction superheat degree reliable range, and the temperature in the pipe of the evaporator is smaller than a preset dew point temperature.
With reference to the third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect, the method further includes:
the temperature requirement of the air conditioner is obtained, a second rotating speed of the compressor is determined, and the smaller rotating speed of the first rotating speed and the second rotating speed is selected as the compressor to operate.
With reference to the fourth possible implementation manner of the first aspect, in a fifth possible implementation manner of the first aspect, the temperature requirement is a difference between a preset target temperature and an actual temperature of the air conditioner, where the actual temperature of the air conditioner is less than the target temperature of the air conditioner.
With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the target temperature is an ambient comfort temperature, or when the air conditioner receives a setting instruction, the target temperature is a setting temperature corresponding to the setting instruction.
With reference to the first aspect, in a seventh possible implementation manner of the first aspect, after the adjusting the anti-condensation component according to the reliability range, the method further includes:
and when the state information of the air conditioner is detected to accord with the preset condensation-preventing exit condition, the air conditioner is restored to the preset normal running state.
With reference to the seventh possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the condensation-prevention exit condition includes:
the return air humidity of the air conditioner is smaller than the minimum value of a preset first humidity range, the average humidity of a cold channel in the air conditioner installation environment is smaller than the minimum value of a preset second humidity range, and the average humidity of a hot channel in the air conditioner installation environment is smaller than the minimum value of a preset third humidity range;
or the indoor humidity of the air conditioner is smaller than or equal to a preset humidity threshold value.
A second aspect of the embodiments of the present application provides a condensation prevention control device for an air conditioner, the air conditioner is provided with a condensation prevention device thereon, the device includes:
the state information acquisition unit is used for acquiring state information when the air conditioner operates;
the operation parameter information acquisition unit is used for acquiring the operation parameter information of an anti-condensation component of the air conditioner when the state information accords with a preset anti-condensation starting condition;
and the adjusting unit is used for adjusting the anti-condensation component according to the reliability range when the operation parameter information of the anti-condensation component belongs to the preset reliability range, so that the air outlet temperature of the air conditioner is lower than the preset condensation temperature and higher than a first temperature, and the first temperature is the temperature at which the air conditioner starts to form condensation after the anti-condensation device acts.
A third aspect of the embodiments of the present application provides an air conditioner, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of the first aspect when executing the computer program.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium, in which a computer program is stored, which, when executed by a processor, performs the steps of the method according to any one of the first aspect.
Compared with the prior art, the embodiment of the application has the advantages that: when the state information of the air conditioner is detected to accord with the preset condensation-preventing starting condition, and the operating parameters of the condensation-preventing component of the air conditioner belong to the preset reliability range, the condensation-preventing component is adjusted within the reliability range, so that the air outlet temperature of the air conditioner is lower than the preset condensation temperature, the refrigeration requirement of a user can be met on the premise of ensuring the reliability of the air conditioner, the air outlet humidity is controlled to be higher than the first temperature of the highest temperature at which the condensation-preventing component forms condensation, and the risk of condensation caused by the air conditioner can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an air conditioner provided in an embodiment of the present application;
fig. 2 is a schematic flow chart illustrating an implementation of an anti-condensation control method for an air conditioner according to an embodiment of the present disclosure;
fig. 3 is a schematic flow chart illustrating an implementation of an adjustment method of a method according to an embodiment of the present application;
FIG. 4 is a schematic view of an anti-condensation control device provided by an embodiment of the present application;
fig. 5 is a schematic diagram of an air conditioner provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to explain the technical means described in the present application, the following description will be given by way of specific examples.
The anti-condensation control method of the air conditioner generally includes:
1) the surface temperature of the cold cavity of the air conditioner is increased, so that the temperature of the cold cavity is higher than the dew point temperature. For example, the humidity of the cold cavity of the air conditioner can be higher than the dew point temperature by increasing the electric heating device, so that condensation formed in the cold cavity of the air conditioner is avoided.
2) The surface thermal resistance is increased on the air conditioner. The surface thermal resistance can be sponge, flocked cloth and the like. The temperature of condensation formed on the surface thermal resistance is reduced through the heat insulation effect of the surface thermal resistance, and the risk of condensation formed on the air conditioner is reduced.
3) And controlling the air conditioner to perform actions of reducing condensation according to the relative humidity of the environment and the running time of the air conditioner, wherein the actions comprise actions of increasing wind sweeping and the like. Through increasing the action of sweeping the wind, perhaps improve the hot-blast frequency of air conditioner for the air conditioner surface can be more quick carry out the heat exchange with the indoor environment of air conditioner, improves the humidity on air conditioner surface, reduces the risk that the air conditioner formed the condensation.
4) The superheat degree of the evaporator is improved, or the circulation quantity of the refrigerant is reduced. For example, the amount of air blown to the cooling side can be increased, the opening degree of the throttle member can be decreased, the operating frequency of the compressor can be decreased, and the like.
The condensation reducing mode can reduce the condensation risk to a certain extent. However, in the first and second modes, the air conditioner cannot perform the condensation prevention control on the air conditioner according to the actual use condition.
In the third mode, when the air conditioner reaches a specific condition, the air conditioner is controlled to be mechanically operated, and for the air conditioner under a special use condition, such as a machine room and other use environments, due to the fact that the return air channel is designed in advance, the air conditioner in the machine room generally does not carry out air sweeping, and the risk of condensation of the air conditioner cannot be reduced according to the mode.
In the fourth aspect, although the risk of causing condensation can be reduced by increasing the air blowing amount in the cooling side, reducing the opening degree of the throttle member, or reducing the operation efficiency of the compressor, the operation of the fourth aspect also leads to a reduction in the cooling amount. The decrease in cooling capacity may cause the ambient temperature to rise or may not effectively reduce the ambient humidity. When the return air temperature is too high, the suction pressure of the compressor is easy to exceed the operation range of the compressor, and the reliability of the air conditioner is reduced.
In order to solve the above problem, an embodiment of the present application provides a method for controlling condensation prevention of an air conditioner, where the method detects operating parameter information of a condensation prevention component of the air conditioner when detecting that operating state information of the air conditioner satisfies a condensation prevention starting condition. When the operation parameter information of the air conditioner is detected to belong to a preset reliability range, the anti-condensation component is adjusted within the reliability range, so that the air outlet temperature of the air conditioner meets the requirements of cooling and anti-condensation. Even if the air outlet temperature of the air conditioner is lower than the preset condensation temperature and the air outlet temperature is higher than the action of the condensation preventing component, the highest temperature of condensation is formed on the air conditioner, namely the highest temperature is higher than the first temperature. Because the air-out temperature of air conditioner is higher than first temperature, be favorable to reducing the risk that forms the condensation on the air conditioner. Because the air outlet temperature of the air conditioner is lower than the preset condensation temperature, namely the air outlet temperature is lower than the temperature of condensation generated in a normal environment, the humidity of the environment is favorably reduced. And, the air-out temperature is higher than first temperature to can effectually reduce the risk that the air conditioner generated the condensation. In addition, the anti-condensation component is adjusted according to the preset reliability range, and the reliability of the air conditioner is improved.
Fig. 1 is a schematic structural diagram of an air conditioner to which the anti-condensation control method of the present application may be applied according to an embodiment of the present application. As shown in fig. 1, the air conditioner includes: the system comprises a compressor 1, an exhaust temperature sensor 2, an exhaust pressure sensor 3, a high-voltage switch 4, a condenser 5, an outdoor fan 6, an outdoor temperature sensor 7, a meter connector 8, a process pipe 9, a filter 10, an electronic expansion valve 11, a meter connector 12, a distributor 13, a liquid-separating capillary tube 14, an indoor fan 15, an air-out temperature sensor 16, an evaporator 17, an evaporating temperature sensor 18, a return air filter screen 19, a return air temperature/humidity sensor 20, a return air temperature sensor 21, a low-voltage pressure sensor and a low-voltage switch.
Among them, the components of the air conditioner may be divided into an indoor side and an outdoor side. The outdoor side may comprise the compressor 1, the condenser 5 and related components. The indoor side comprises
The compressor 1 may be used to compress a low-temperature and low-pressure refrigerant into a high-temperature and high-pressure refrigerant. The discharge temperature sensor 2 may be used to detect the discharge temperature of the compressor. A discharge pressure sensor 3 may be used to detect the discharge pressure of the compressor. The high-pressure switch 4 can be used for adjusting the flow rate of the refrigerant compressed by the compressor to the condenser. The condenser 5 may be used to exchange heat between the high-pressure and high-temperature refrigerant and outdoor air to lower the temperature of the refrigerant compressed by the compressor. The outdoor fan 6 is used for accelerating the heat exchange between the outdoor air and the condenser and improving the cooling efficiency of the refrigerant. The outdoor temperature sensor 7 is used to detect the temperature of the outdoor environment. The meter connections 8, 12 or the process tube 9 may be used to connect other instrumentation. The filter 10 may be used to filter impurities in a refrigerant in a duct of an air conditioner. An electronic expansion valve 11 may be used to control the flow to the evaporator. The distributor 13 is used for flowing the high-pressure refrigerant flowing out of the electronic expansion valve to the evaporator 17 through the shunt capillary 14, and the evaporator 17 can exchange heat with the return air passing through the return air filter screen 19 to obtain the outlet air with lower temperature. A mid-stream temperature sensor 18 may be used to detect the temperature in the evaporator 17 and a return air temperature/humidity sensor 20 may detect the temperature and humidity of the return air. The return air temperature sensor 21 can detect the temperature of the return air. The low pressure sensor 22 can detect the pressure of the return air before entering the compressor 1. The low pressure switch 23 can control the flow rate of the refrigerant sucked into the compressor.
The air conditioner in the embodiment of the application is provided with the condensation preventing device, and the condensation preventing device can be surface thermal resistance which is arranged on the air conditioner and is easy to form a condensation part, and can also be arranged on a heating device of the air conditioner. For example, the surface thermal resistance may be sponge or flocked cotton adhered to a part of the surface of the air conditioner, which is prone to be condensed. The heating device can be a heating device arranged at a condensation-prone position of the air conditioner. By arranging the anti-condensation device, when condensation begins to form at the easy-condensation part of the air conditioner, the corresponding outlet air temperature is lower than the normal dew point.
It is to be understood that the air conditioner structure shown in fig. 1 is an example provided in the embodiments of the present application, and the air conditioner shown in fig. 1 should not be taken as a limitation of the air conditioner implementing the anti-condensation control method shown in the present application. The air conditioner to which the anti-condensation control method according to the embodiment of the present application is applied may include only some components of the air conditioner shown in fig. 1.
Fig. 2 is a schematic flow chart illustrating an implementation process of an anti-condensation control method applied to an air conditioner according to an embodiment of the present application, where as shown in fig. 2, the method includes:
in S201, when the air conditioner is operated, state information of the air conditioner is acquired.
In the air conditioner described in the embodiment of the present application, a condensation preventing device is disposed on the air conditioner. For example, a condensation preventing device may be provided at a condensation prone portion of the air conditioner. The condensation-prone position can be determined according to the use statistical data of the air conditioner, or can be determined by combining the installation environment information of the air conditioner.
The condensation prevention device is used for reducing the condensation risk of the easy condensation part of the air conditioner. Through prevent the condensation device, can avoid preventing that the position of condensation part effect produces the condensation when return air humidity is in dew point temperature.
The anti-condensation component can be a heating component and can also be a heat resistance surface. For example, the heating element can promote the temperature of the easy condensation position through the arranged heating resistors and other components, so that when the outlet air humidity is lower, the humidity of the easy condensation position is above the dew point temperature, and the condensation at the position is avoided.
The heat resistant surface may be a sponge or flocked cotton. The temperature of the return air reaching the easy condensation part of the air conditioner is raised by the isolation effect of the thermal resistance surface, so that the risk of condensation generated at the easy condensation part of the air conditioner is reduced.
For convenience of description, after the condensation preventing device is acted, the corresponding outlet air temperature is called as a first temperature when condensation begins to be generated at the acting part. I.e. the first temperature is less than the normal dew point temperature.
For example, the normal dew point temperature is a, the portion after the anti-condensation device is acted, i.e., the portion where the anti-condensation device is installed, when condensation begins to be generated, the corresponding outlet air temperature is B, and B is the first temperature.
The air conditioner comprises a shell, a condensation preventing device, a fan motor, a control circuit and the like.
The state information of the air conditioner may include one or both of temperature information of an indoor installation environment of the air conditioner and temperature information of an operation of the air conditioner.
Among them, temperature information of an indoor installation environment of the air conditioner, that is, an indoor temperature of the air conditioner. The indoor temperature may be a temperature of a return air inlet of the air conditioner. The temperature information of the indoor installation environment of the air conditioner, that is, the indoor temperature of the air conditioner can be acquired according to the return air temperature sensor 20 shown in fig. 1, which is disposed at the return air inlet of the evaporator of the air conditioner.
The humidity information of the air conditioner operation may include one or more of a return air humidity, an average humidity of a cold channel, or an average humidity of a hot channel. The cold channel can be an air inlet channel of equipment needing cooling in the installation environment where the air conditioner is located, and the hot channel is an air outlet channel of the equipment needing cooling in the installation environment of the air conditioner. Under the general condition, cold passageway among the site environment is towards the output pipeline of air conditioner, and hot-channel is towards the return air pipeline of air conditioner to the equipment that the flow direction that makes cold wind that the air conditioner come out can be quick needs the cooling, and the hot-blast that comes out from the air outlet of the equipment that needs the cooling can pass through hot-channel, quick flow direction return air passageway for the air convection velocity in the equipment guarantees the cooling efficiency of equipment.
The return air humidity is the humidity at the return air inlet of the air conditioner, and the return air humidity at the return air inlet can be collected by the return air humidity sensor 20 shown in fig. 1.
The average humidity of the hot channel can be determined by collecting humidity information of the hot channel at a plurality of positions and combining the collected positions to determine the change information of the humidity in the hot channel. And calculating to obtain the average humidity in the hot channel according to the change information of the humidity in the hot channel.
In a possible implementation manner, the average humidity in the heat channel may also be obtained by averaging humidity information collected by a plurality of humidity sensors arranged at uniform intervals in the heat channel.
Similarly, the average humidity in the cold aisle may be calculated from the average humidity in the hot aisle.
In the embodiment of the application, in order to obtain more accurate and reliable data, the collection of the state information may be started after the air conditioner operates for a predetermined time.
For example, after the air conditioner is powered on and self-checked, the air conditioner operates for a predetermined time period according to a normal operating mode. In a possible implementation manner, the operation state of the compressor of the air conditioner may be detected, and after the operation state of the compressor of the air conditioner is stabilized, the state information of the air conditioner starts to be detected after a first time period after the operation state of the air conditioner is stabilized.
The state information of the air conditioner is detected, and whether the air conditioner needs to enter the anti-condensation working mode or not can be judged according to the detected state information.
In S202, when the acquired state information satisfies a preset condensation prevention condition, an operation parameter of a condensation prevention part of the air conditioner is detected.
When the state information of the air conditioner meets the preset anti-condensation condition, the air conditioner needs to enter an anti-condensation mode, and the air conditioner can effectively cool and dehumidify by adjusting the running state of the anti-condensation component of the air conditioner.
Wherein, the state information of the air conditioner in this application embodiment satisfies the condensation preventing condition, can include:
1) the return air temperature of the air conditioner is less than or equal to a preset target temperature, i.e., a temperature condition.
And, 2) the humidity information of the air conditioner operation is greater than a predetermined humidity threshold, i.e., a humidity condition.
The return air temperature of the air conditioner is smaller than or equal to the preset target temperature, the temperature of the air conditioner in the installation environment meets the target temperature requirement, and the air conditioner can achieve condensation prevention operation on the air conditioner on the premise of keeping indoor cooling.
The humidity information of the air conditioner may include return air humidity of the air conditioner, average humidity of a hot channel of an installation environment where the air conditioner is installed, and average humidity of a cold channel of the installation environment where the air conditioner is installed.
Any one item of humidity information of the operation of the air conditioner may be compared with a preset threshold range. The threshold range includes a first humidity range, a second humidity range, and a third humidity range. When the humidity information of the air conditioner operation belongs to a preset humidity range, condensation may start to be generated at a condensation-prone position of the air conditioner. The condensation-prone position can be an easy condensation-prone position provided with a condensation-preventing device. By setting the humidity range, whether the air conditioner needs to enter the anti-condensation mode or not can be detected more timely.
For example, when the return air humidity of the air conditioner is greater than or equal to the maximum value of the first humidity range, or the average humidity of the cold channel in the scene where the air conditioner is located is greater than or equal to the maximum value of the second humidity range, or any condition in the average humidity of the hot channel in the scene where the air conditioner is located is greater than or equal to the third humidity range is met, it is indicated that the humidity condition of the current operation of the air conditioner meets the condition of entering the anti-condensation mode.
When the temperature condition and the humidity condition of the environment where the air conditioner is located meet the requirements, the air conditioner meets the preset anti-condensation starting condition.
After the state information that detects the air conditioner satisfies the condensation condition of preventing of predetermineeing, in order to make the operation that the air conditioner can be reliable, this application is preventing before the condensation adjustment, still includes the detection and the judgement to the operating parameter information of the condensation part of preventing of air conditioner.
The operation parameter information of the air conditioner may include an evaporation pressure of an evaporator of the air conditioner, a temperature of a refrigerant pipe of the air conditioner, and the like.
The parameter range corresponding to the normal operation of the operation parameter of the condensation preventing component of the air conditioner, namely the reliability range of the operation parameter can be preset. And when the operation parameters of the air conditioner belong to the preset reliability range, the current operation parameters of the air conditioner indicate that the air conditioner can stably and reliably operate, and the operation reliability of the air conditioner can be ensured.
When the operating parameters of the anti-condensation component of the air conditioner cannot meet the preset reliability requirement, the anti-condensation control is not performed, so that the stability of the air conditioner can be effectively guaranteed.
When the operation parameters of the anti-condensation component of the air conditioner can meet the preset reliability requirement, namely the reliability requirement of the anti-condensation treatment of the air conditioner is met, the mode of anti-condensation control on the air conditioner can be entered, and the step S203 can be entered.
In S203, when the operation parameter of the anti-condensation component satisfies a preset reliability range, the anti-condensation component is adjusted according to the reliability range and a preset outlet air temperature range, where the outlet air temperature range is less than a dew point temperature and greater than a temperature at which the anti-condensation component starts to form condensation after acting on the air conditioner.
If the air conditioner can enter a condensation prevention mode, namely the state information of the air conditioner meets the condensation prevention starting condition of the air conditioner, and the running parameter information of the air conditioner meets the reliability requirement of the air conditioner, the rotating speed of the indoor fan can be adjusted to be the maximum value, and condensation prevention control and dehumidification control are carried out on the air conditioner according to the adjustment of the condensation prevention part.
The reliability conditions, which may be determined according to the reliability range of the air conditioner, include, for example, a reliability condition that the evaporation pressure of the evaporator satisfies a corresponding reliability range, i.e., the evaporation pressure, and a reliability condition that the degree of superheat of suction gas satisfies a corresponding reliability range, i.e., the degree of superheat of suction gas.
In a possible implementation mode, the rotating speed of the compressor and the rotating speed of the indoor fan can be adjusted according to the reliability requirement of the evaporation pressure, and the opening degree of the throttling component can be adjusted according to the reliability condition of the suction superheat degree.
For example, as shown in fig. 3, an implementation flow diagram of an anti-condensation adjustment method provided in the embodiment of the present application includes:
in S301, the rotation speed of the compressor is adjusted according to the reliability condition of the evaporation pressure and the preset temperature range.
If the evaporation pressure of the evaporator of the air conditioner meets the corresponding reliability range, the rotating speed of the compressor of the air conditioner can be adjusted according to the reliability range of the evaporation pressure. And the air outlet temperature of the air conditioner needs to be ensured to be less than the preset dew point temperature and greater than the preset first temperature during adjustment.
The rotation speed of a compressor of the air conditioner is adjusted through the limitation of the air outlet temperature and the limitation of the reliability range of the evaporation pressure, and the evaporation pressure of the evaporator is adjusted to be in the preset reliability range while the limitation condition of the air outlet temperature is met. The refrigerating efficiency of the air conditioner is improved by adjusting the evaporation pressure.
When the air outlet temperature of the air conditioner is lower than the condensation temperature, the air flow of the return air can be effectively dehumidified. And the air outlet temperature of the air conditioner is higher than the first temperature, and the surface of the air conditioner or other parts easy to condense can not generate condensation effectively.
For example, the maximum evaporation pressure for normal operation of the compressor is 1.5MPa at a rotation speed of 19-90 Hz. The reliability requirement for the evaporation pressure may range from 55 Mpa-a pressure threshold to 1.55 Mpa. When the rotating speed of the compressor is increased and the outlet air temperature meets the preset temperature condition, the rotating speed of the compressor is increased and adjusted to the maximum rotating speed meeting the reliability requirement and the temperature requirement of the evaporation pressure, and the rotating speed is the rotating speed corresponding to the maximum evaporation pressure at which the compressor can normally work.
In S302, the rotational speed of the compressor is corrected according to the temperature demand.
After the first rotation speed of the compressor of the air conditioner is determined according to the reliability condition of the evaporation pressure and the reliability condition of the temperature, the second rotation speed of the air conditioner can be determined according to the temperature requirement.
The temperature requirement may be determined according to a difference between the set target temperature of the air conditioner and an actual temperature of the air conditioner. According to the temperature requirement, the corresponding second rotating speed of the compressor of the air conditioner can be determined even if the air conditioner meets the requirement.
The target temperature can be the optimal working temperature requirement of equipment in the machine room, for example, the target temperature can be the most comfortable return air temperature of the machine room-37 ℃, the target temperature can also be the preset temperature of the cold channel-23 ℃, or the target temperature can also be the most comfortable temperature of a human body in the installation environment-27 ℃. The actual temperature of a particular location may be compared to a corresponding target temperature to determine a temperature demand. Similarly, the humidity requirement may be determined in the same manner.
Alternatively, the target temperature may be determined to be the temperature determined by the specified instruction after the air conditioner receives the setting instruction.
In S303, the rotation speed of the indoor fan is adjusted according to the adjusted evaporation pressure corresponding to the compressor.
In order to adapt to the rotating speed corresponding to the maximum evaporation pressure when the compressor works normally, the indoor fan of the air conditioner can be adjusted, so that the rotating speed of the indoor fan is adapted to the rotating speed of the compressor.
In S304, the throttle member is adjusted according to the reliability condition of the degree of superheat of the intake air and the preset temperature condition.
The first adjusting value of the throttling component can be determined according to the preset reliability condition of the suction superheat degree, and the second adjusting value of the throttling component is determined according to the preset temperature condition, namely the condition that the outlet air temperature is greater than or equal to the first temperature and less than the dew point temperature. And selecting the smaller adjusting value of the two values to adjust the throttling component. The throttle member may be an electronic expansion valve 11, a high-pressure switch 4, a low-pressure switch 23, or the like as shown in fig. 1.
This application combines the air-out temperature condition of air conditioner through the reliability condition of predetermined air conditioner, under the prerequisite of guaranteeing the air conditioner reliable operation, makes the air-out temperature of air conditioner be less than dew point temperature to be greater than predetermined first temperature, thereby can make the air conditioner can the at utmost reduce the condensation, compromise the demand of refrigeration and dehumidification.
In a possible implementation manner, the method can further include judging a condition for exiting the anti-condensation mode, and when the condition meets the requirement, the air conditioner is restored to a preset normal operation state.
Wherein the judgment condition may be determined by humidity information in an environment where the air conditioner is located, and the judgment condition may include any one of the following conditions:
1. the return air humidity is smaller than the minimum value of a preset first humidity range, the average humidity of the cold channel is smaller than the minimum value of a preset second humidity range, and the average humidity of the hot channel is smaller than the minimum value of a preset third humidity range.
2. The ambient humidity is less than the target humidity.
The preset first humidity range, the preset second humidity range and the preset third humidity range are ranges in which the air conditioner may generate condensation when the running state of the air conditioner is in the ranges. By comparing the maximum value and the minimum value of the set range, the anti-condensation control can be more reliably performed.
It is to be understood that, not limited to the setting of the humidity range, the humidity threshold may be set to determine whether the air conditioner exits the condensation prevention mode.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Fig. 4 is a schematic view of an anti-condensation control device of an air conditioner according to an embodiment of the present application, and as shown in fig. 4, the device includes:
a state information obtaining unit 401, configured to obtain state information when the air conditioner is in a stable operation state. In a possible implementation manner, the state information of the air conditioner may be obtained when the air conditioner is in a stable operation state and the operation time length meets a preset time length requirement.
An operation parameter information obtaining unit 402, configured to obtain operation parameter information of a condensation preventing component of the air conditioner when the state information obtained by the state information obtaining unit meets a preset condensation preventing starting condition.
An adjusting unit 403, configured to adjust the anti-condensation component according to the reliability range when the operation parameter information acquired by the operation parameter information acquiring unit 403 belongs to the preset reliability range, so that an air outlet temperature of the air conditioner is lower than a preset condensation temperature and higher than a first temperature, where the first temperature is a temperature at which the air conditioner starts to form condensation after the anti-condensation device acts on the air conditioner.
The anti-condensation control device shown in fig. 4 corresponds to the anti-condensation control method shown in fig. 2.
Fig. 5 is a schematic diagram of an air conditioner according to an embodiment of the present application. As shown in fig. 5, the air conditioner 5 of this embodiment includes: a processor 50, a memory 51 and a computer program 52, such as an anti-condensation control program, stored in said memory 51 and executable on said processor 50. The processor 50 implements the steps in the above-described embodiments of the anti-condensation control method when executing the computer program 52. Alternatively, the processor 50 implements the functions of the modules/units in the above-described device embodiments when executing the computer program 52.
Illustratively, the computer program 52 may be partitioned into one or more modules/units, which are stored in the memory 51 and executed by the processor 50 to accomplish the present application. The one or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used to describe the execution of the computer program 52 in the air conditioner 5.
The air conditioner may include, but is not limited to, a processor 50, a memory 51. Those skilled in the art will appreciate that fig. 5 is merely an example of the air conditioner 5 and does not constitute a limitation of the air conditioner 5 and may include more or fewer components than shown, or some components in combination, or different components, e.g., the air conditioner may also include input output devices, network access devices, buses, etc.
The Processor 50 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 51 may be an internal storage unit of the air conditioner 5, such as a hard disk or a memory of the air conditioner 5. The memory 51 may also be an external storage device of the air conditioner 5, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like, provided on the air conditioner 5. Further, the memory 51 may also include both an internal storage unit and an external storage device of the air conditioner 5. The memory 51 is used to store the computer program and other programs and data required by the air conditioner. The memory 51 may also be used to temporarily store data that has been output or is to be output.
It should be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional units and modules is only used for illustration, and in practical applications, the above function distribution may be performed by different functional units and modules as needed, that is, the internal structure of the apparatus may be divided into different functional units or modules to perform all or part of the above described functions. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working processes of the units and modules in the system may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/terminal device and method may be implemented in other ways. For example, the above-described embodiments of the apparatus/terminal device are merely illustrative, and for example, the division of the modules or units is only one logical division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated modules/units, if implemented in the form of software functional units and sold or used as separate products, may be stored in a computer readable storage medium. Based on such understanding, all or part of the processes in the methods of the embodiments described above can be implemented by hardware related to instructions of a computer program, which can be stored in a computer readable storage medium, and when the computer program is executed by a processor, the steps of the methods described above can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer readable medium may contain suitable additions or subtractions depending on the requirements of legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer readable media may not include electrical carrier signals or telecommunication signals in accordance with legislation and patent practice.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (9)
1. An anti-condensation control method of an air conditioner, which is characterized in that an anti-condensation device is arranged on the air conditioner, and the method comprises the following steps:
acquiring state information of the air conditioner during operation;
when the state information accords with the preset condensation starting condition, the operation parameter information of the condensation component of the air conditioner is acquired, the state information comprises the indoor temperature of the air conditioner and the humidity information of the air conditioner, and the state information accords with the preset condensation starting condition, including: the indoor temperature at which the air conditioner is located is less than or equal to a target temperature, the humidity information of the air conditioner is greater than a preset humidity threshold value, and the condition that the humidity information of the air conditioner is greater than the preset humidity threshold value comprises any one or more of the following conditions: the return air humidity of the air conditioner is greater than or equal to the maximum value of a preset first humidity range; the average humidity of a cold channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset second humidity range; the average humidity of a hot channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset third humidity range;
when the operation parameter information of the anti-condensation component belongs to a preset reliability range, adjusting the anti-condensation component according to the reliability range to enable the air outlet temperature of the air conditioner to be lower than a preset condensation temperature and higher than a first temperature, wherein the first temperature is a temperature at which the air conditioner starts to form condensation after the anti-condensation device acts, and the preset condensation temperature is a temperature at which condensation is generated in a normal environment;
when the operation parameter information of the anti-condensation component belongs to a preset reliability range, the anti-condensation component is adjusted according to the reliability range, and the method comprises one or more of the following modes:
when the evaporation pressure of an evaporator corresponding to the current state of the compressor is within a preset reliable range of the evaporation pressure, increasing the rotating speed of the compressor to a first rotating speed, so that the evaporation pressure of the evaporator of the air conditioner is the maximum value of the preset reliable range of the evaporation pressure, and the temperature in a pipe of the evaporator is smaller than the preset dew point temperature;
when the evaporation pressure of the evaporator corresponding to the current state of the inner fan is within a preset reliable range of the evaporation pressure, adjusting the rotating speed of the indoor fan to enable the evaporation pressure of the evaporator of the air conditioner to be the maximum value of the preset reliable range of the evaporation pressure;
when the whole machine air suction superheat degree corresponding to the state of the throttling component is in a preset air suction superheat degree reliable range, the throttling component is adjusted in the air suction superheat degree reliable range, and the temperature in the pipe of the evaporator is smaller than a preset dew point temperature.
2. The method of claim 1, further comprising:
the temperature requirement of the air conditioner is obtained, a second rotating speed of the compressor is determined, and the smaller rotating speed of the first rotating speed and the second rotating speed is selected as the compressor to operate.
3. The method of claim 2, wherein the temperature requirement is a difference between a preset target temperature and an actual temperature of the air conditioner, wherein the actual temperature of the air conditioner is less than the target temperature of the air conditioner.
4. The method according to claim 3, wherein the target temperature is an ambient comfort temperature, or when the air conditioner receives a setting instruction, the target temperature is a setting temperature corresponding to the setting instruction.
5. The method of claim 1, wherein after adjusting the anti-condensation component according to the reliability range, the method further comprises:
and when the state information of the air conditioner is detected to accord with the preset condensation-preventing exit condition, the air conditioner is restored to the preset normal running state.
6. The method of claim 5, wherein the anti-condensation exit condition comprises:
the return air humidity of the air conditioner is smaller than the minimum value of a preset first humidity range, the average humidity of a cold channel in the air conditioner installation environment is smaller than the minimum value of a preset second humidity range, and the average humidity of a hot channel in the air conditioner installation environment is smaller than the minimum value of a preset third humidity range;
or the indoor humidity of the air conditioner is smaller than or equal to a preset humidity threshold value.
7. The utility model provides an air conditioner prevent condensation controlling means which characterized in that, be provided with on the air conditioner and prevent the condensation device, the device includes:
the state information acquisition unit is used for acquiring state information when the air conditioner operates;
the operating parameter information acquisition unit is used for acquiring the operating parameter information of the anti-condensation component of the air conditioner when the state information accords with the preset anti-condensation starting condition, the state information comprises the indoor temperature of the air conditioner and the humidity information of the air conditioner, and the state information accords with the preset anti-condensation starting condition and comprises the following steps: the indoor temperature at which the air conditioner is located is less than or equal to a target temperature, the humidity information of the air conditioner is greater than a preset humidity threshold value, and the condition that the humidity information of the air conditioner is greater than the preset humidity threshold value comprises any one or more of the following conditions: the return air humidity of the air conditioner is greater than or equal to the maximum value of a preset first humidity range; the average humidity of a cold channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset second humidity range; the average humidity of a hot channel in the air conditioner installation environment is greater than or equal to the maximum value of a preset third humidity range;
the adjusting unit is used for adjusting the anti-condensation component according to the reliability range when the operation parameter information of the anti-condensation component belongs to the preset reliability range, so that the air outlet temperature of the air conditioner is lower than the preset condensation temperature and higher than a first temperature, the first temperature is the temperature at which the air conditioner starts to form condensation after the anti-condensation device acts, and the preset condensation temperature is the temperature at which condensation is generated under the normal environment;
the adjusting unit is specifically configured to, when the operating parameter information of the anti-condensation component belongs to a preset reliability range, adjust the anti-condensation component according to the reliability range, and includes one or more of the following manners: when the evaporation pressure of an evaporator corresponding to the current state of the compressor is within a preset reliable range of the evaporation pressure, increasing the rotating speed of the compressor to a first rotating speed, so that the evaporation pressure of the evaporator of the air conditioner is the maximum value of the preset reliable range of the evaporation pressure, and the temperature in a pipe of the evaporator is smaller than the preset dew point temperature; when the evaporation pressure of the evaporator corresponding to the current state of the inner fan is within a preset reliable range of the evaporation pressure, adjusting the rotating speed of the indoor fan to enable the evaporation pressure of the evaporator of the air conditioner to be the maximum value of the preset reliable range of the evaporation pressure; when the whole machine air suction superheat degree corresponding to the state of the throttling component is in a preset air suction superheat degree reliable range, the throttling component is adjusted in the air suction superheat degree reliable range, and the temperature in the pipe of the evaporator is smaller than a preset dew point temperature.
8. An air conditioner comprising a memory, a processor and a computer program stored in said memory and executable on said processor, characterized in that said processor implements the steps of the method according to any one of claims 1 to 6 when executing said computer program.
9. A computer-readable storage medium, in which a computer program is stored which, when being executed by a processor, carries out the steps of a method according to any one of claims 1 to 6.
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| CN113606760B (en) * | 2021-07-28 | 2022-07-12 | 珠海格力电器股份有限公司 | Temperature adjusting device control method and device, electronic device and storage medium |
| 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 |
| CN114251745B (en) * | 2021-12-10 | 2023-03-07 | 广东美的制冷设备有限公司 | Air conditioning system and air conditioning control method |
| CN114543300A (en) * | 2022-01-21 | 2022-05-27 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner and air conditioner |
| CN114484846B (en) * | 2022-02-23 | 2024-04-23 | 武汉海尔电器股份有限公司 | Wall-mounted air conditioner and condensation treatment method thereof |
| CN114646138A (en) * | 2022-03-14 | 2022-06-21 | 青岛海尔空调器有限总公司 | Control method and control system for preventing condensation of air conditioner, electronic equipment and storage medium |
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| JP2010076495A (en) * | 2008-09-24 | 2010-04-08 | Daihatsu Motor Co Ltd | Controller |
| CN102192631B (en) * | 2010-03-18 | 2013-02-13 | 海尔集团公司 | Method and system for preventing condensation |
| CN101846361A (en) * | 2010-05-21 | 2010-09-29 | 广东美的电器股份有限公司 | Air conditioner for machine room and control method thereof |
| ES2668804T3 (en) * | 2011-04-08 | 2018-05-22 | Zehnder Group International Ag | Ventilation equipment |
| CN102364259B (en) * | 2011-11-03 | 2013-06-12 | 北京理工大学萍乡高新技术研究院 | Method and system for independently controlling temperature and humidity of automobile air conditioner |
| DE102012021234A1 (en) * | 2012-10-27 | 2014-04-30 | Daimler Ag | Method for operating air conditioning apparatus for motor vehicle, involves switching off evaporator by control device at time interval before expected operating end of air conditioning apparatus of motor vehicle |
| JP2016008742A (en) * | 2014-06-23 | 2016-01-18 | パナソニックＩｐマネジメント株式会社 | Air conditioning device |
| CN106403193B (en) * | 2016-10-17 | 2018-12-07 | 珠海格力电器股份有限公司 | Air conditioner and its control method |
| CN106839267A (en) * | 2016-12-26 | 2017-06-13 | 广东美的暖通设备有限公司 | The dehumanization method of air-conditioning system, dehydrating unit and air-conditioner |
| CN108278741A (en) * | 2018-01-11 | 2018-07-13 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN111706980B (en) * | 2020-06-03 | 2021-07-23 | 青岛海尔空调器有限总公司 | Method and device for anti-condensation control and air conditioner |
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