CN114877416A - Air conditioner, humidification control method of air conditioner, controller and storage medium - Google Patents

Air conditioner, humidification control method of air conditioner, controller and storage medium Download PDF

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Publication number
CN114877416A
CN114877416A CN202210465229.7A CN202210465229A CN114877416A CN 114877416 A CN114877416 A CN 114877416A CN 202210465229 A CN202210465229 A CN 202210465229A CN 114877416 A CN114877416 A CN 114877416A
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China
Prior art keywords
power
pump body
motor
pump
balance
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Granted
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CN202210465229.7A
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Chinese (zh)
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CN114877416B (en
Inventor
王皓显
曹磊
李子风
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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Midea Group Co Ltd
GD Midea Air Conditioning Equipment Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0087—Indoor units, e.g. fan coil units with humidification means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/037—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with humidification means
    • 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
    • F24F11/0008—Control or safety arrangements for air-humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/54—Free-cooling systems

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

Abstract

The invention discloses an air conditioner, a humidification control method of the air conditioner, a controller and a storage medium, wherein the humidification control method comprises the following steps: acquiring motor power of a motor; acquiring first pump body power of a pump body; and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air channel. According to the invention, by adjusting the power of the first pump body, the water delivery amount of the pump body to the wet film can be adjusted, so that the water content of the wet film is adjusted, the dynamic balance between the water content of the wet film and the air volume in the air duct is further realized, the phenomena of water blowing and water floating of the air conditioner are avoided, and the user experience is improved.

Description

Air conditioner, humidification control method of air conditioner, controller and storage medium
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air conditioner, a humidification control method of the air conditioner, a controller and a storage medium.
Background
The existing air conditioner can enhance the heat exchange efficiency by adopting a wet film humidifying mode in the refrigeration process, thereby improving the heat exchange efficiency of the whole machine. In the humidification process, the balance between the air volume in the air duct and the water content of the wet film is generally required to be kept, so that the phenomenon that the moisture attached to the wet film is blown off and blown out from the air outlet along with the wind is avoided.
In the related art, if the water amount on the wet film is large or the air amount is increased, and the air speed is increased, the water blowing phenomenon is easy to occur, and the use of a user is adversely affected. For example, the user causes the change of wind resistance of the air duct very easily at the in-process of replacing the corresponding module of the air conditioner, and the amount of wind can change this moment, can destroy the balance of the amount of wind in the air duct and the water content of the wet film, and then the phenomenon of blowing water appears, influences user experience.
Disclosure of Invention
The following is a summary of the subject matter described in detail herein. This summary is not intended to limit the scope of the claims.
The embodiment of the invention provides an air conditioner, a humidification control method of the air conditioner, a controller and a storage medium, which can realize dynamic balance between the water content of a wet film and the air quantity in an air duct and avoid the phenomena of water blowing and water floating of the air conditioner.
An embodiment of a first aspect of the present invention provides an air conditioner, comprising:
a housing formed with an air duct;
the wind wheel assembly is positioned in the wind channel and comprises a wind wheel and a motor, and the motor is used for driving the wind wheel to rotate;
the humidifier assembly comprises a wet film, a water storage device and a pump body, the wet film is positioned in the air channel, and the pump body is used for conveying water in the water storage device to the wet film;
the heat exchanger is positioned in the air duct and between the wind wheel and the wet film, and water in the wet film can pass through the heat exchanger under the action of the wind wheel;
a controller electrically connected to the motor and the pump body and configured to obtain a motor power of the motor and a first pump body power of the pump body; and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air duct.
The air conditioner according to the embodiment of the first aspect of the invention has at least the following advantages: at the in-process of air conditioner start-up wet film humidification, through adjusting first pump body power, can adjust the pump body to the water supply volume of wet film to adjust the water content of wet film, and then realize the dynamic balance between the water content of wet film and the amount of wind in the wind channel, avoid the air conditioner to appear blowing, float the water phenomenon, promote user experience.
In some embodiments, the balance condition is that the first pump body power is less than or equal to a first balance power; according to motor power, first pump body power and preset balance condition, adjust first pump body power, include:
determining a first balance power according to the motor power;
and comparing the first pump body power with the first balance power, and reducing the first pump body power to a second pump body power if the first pump body power is greater than the first balance power.
In some embodiments, the air conditioner further comprises a screen positioned in the air duct and on a windward side of the wet film.
The embodiment of the second aspect of the invention provides a humidification control method of an air conditioner, the air conditioner comprises a shell, an air wheel component, a humidifier component and a heat exchanger, wherein an air duct is formed on the shell; the wind wheel assembly is positioned in the air duct and comprises a wind wheel and a motor, and the motor is used for driving the wind wheel to rotate; the humidifier component comprises a wet film, a water storage device and a pump body, the wet film is located in the air channel, and the pump body is used for conveying water in the water storage device to the wet film; the heat exchanger is positioned in the air duct and between the wind wheel and the wet film, and water in the wet film can pass through the heat exchanger under the action of the wind wheel; the control method comprises the following steps:
obtaining motor power of the motor
Acquiring first pump body power of the pump body;
and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air duct.
According to the humidification control method of the air conditioner in the embodiment of the second aspect of the invention, at least the following beneficial effects are achieved: at the in-process of air conditioner start-up wet film humidification, through adjusting first pump body power, can adjust the pump body to the water supply volume of wet film to adjust the water content of wet film, and then realize the dynamic balance between the water content of wet film and the amount of wind in the wind channel, avoid the air conditioner to appear blowing, float the water phenomenon, promote user experience.
In some embodiments, the balance condition is that the first pump body power is less than or equal to a first balance power; according to motor power, first pump body power and preset balance condition, adjust first pump body power, include:
determining a first balance power according to the motor power;
and comparing the first pump body power with the first balance power, and reducing the first pump body power to a second pump body power if the first pump body power is greater than the first balance power.
In some embodiments, the obtaining motor power of the motor includes:
acquiring motor current and motor voltage of a motor;
and determining the motor power of the motor according to the motor current and the motor voltage.
In some embodiments, said obtaining a first pump body power of said pump body comprises:
acquiring a first pump body current and a first pump body voltage of the pump body;
determining the first pump power from the first pump current and the first pump voltage.
In some embodiments, the second pump body power is determined by:
reducing the first pump voltage to a second pump voltage, and determining the second pump power according to the second pump voltage and the first pump current;
or the like, or, alternatively,
and reducing the current of the first pump body to the current of a second pump body, and determining the power of the second pump body according to the current of the second pump body and the voltage of the first pump body.
In some embodiments, the humidification control method further comprises:
determining a second balance power according to the motor power, wherein the second balance power is smaller than the first balance power;
if the second pump body power is smaller than the second balance power, acquiring a first operation duration of the pump body operated at the second pump body power;
and if the first operation duration is longer than a preset first time threshold, increasing the power of the second pump body to the power of a target pump body, wherein the power of the target pump body is calculated according to the power of the motor.
In some embodiments, the humidification control method further comprises:
and if the power of the second pump body is greater than or equal to the second balance power, reducing the power of the second pump body to the power of a third pump body until the power of the third pump body is less than the second balance power.
In some embodiments, the humidification control method further comprises:
if the third pump body power is smaller than the second balance power, acquiring a second operation duration of the pump body operated at the third pump body power;
and if the second operation duration is greater than a preset second duration threshold, increasing the power of the third pump body to the power of a target pump body, wherein the power of the target pump body is calculated according to the power of the motor.
In a third aspect, the present invention provides a controller, which includes a memory, a processor and a computer program stored in the memory and executable on the processor, and the processor implements the humidification control method according to the second aspect when executing the computer program.
An embodiment of a fourth aspect of the present invention provides an air conditioner, including the controller according to the third aspect.
In a fifth embodiment of the present invention, a computer-readable storage medium is provided, which stores computer-executable instructions for executing the humidification control method according to the second aspect.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is a schematic diagram of a system architecture platform for performing a humidification control method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the operation of humidifying the wet film of the air conditioner according to the embodiment of the present invention;
fig. 3 is an overall flowchart of a humidification control method of an air conditioner according to an embodiment of the present invention;
FIG. 4 is a flow chart of a humidification control method for a first pump power greater than a first equilibrium power provided by an embodiment of the present invention;
FIG. 5 is a flow chart of a humidification control method for a second pump power less than a second equilibrium power provided by an embodiment of the present invention;
FIG. 6 is a flow chart of a humidification control method when the second pump power is greater than or equal to the second equilibrium power according to an embodiment of the present invention;
FIG. 7 is a flow chart of a humidification control method for a third pump power less than a second equilibrium power provided by an embodiment of the present invention;
fig. 8 is a flow chart of a humidification control method according to an example of the present invention;
fig. 9 is a flowchart of a humidification control method according to an example two of the present invention;
fig. 10 is a flowchart of a humidification control method according to example three of the present invention.
Reference numerals: the system architecture comprises a system architecture platform 1000, a processor 1001, a memory 1002, an evaporator 1, a wet film 2 and a filter screen 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
The existing air conditioner can enhance the heat exchange efficiency by adopting a wet film humidifying mode in the refrigeration process, thereby improving the heat exchange efficiency of the whole machine. In the humidification process, the balance between the air volume in the air duct and the water content of the wet film is generally required to be kept, so that the phenomenon that the moisture attached to the wet film is blown off and blown out from the air outlet along with the wind is avoided.
In the related art, if the water amount on the wet film is large or the air amount is increased, and the air speed is increased, the water blowing phenomenon is easy to occur, and the use of a user is adversely affected. For example, the user causes the change of wind resistance of the air duct very easily at the in-process of replacing the corresponding module of the air conditioner, and the amount of wind can change this moment, can destroy the balance of the amount of wind in the air duct and the water content of the wet film, and then the phenomenon of blowing water appears, influences user experience.
Based on the above situation, an embodiment of the present invention provides an air conditioner, a humidification control method of the air conditioner, a controller, and a storage medium, where the humidification control method of the air conditioner includes, but is not limited to, the following steps:
acquiring motor power of a motor and first pump body power of a pump body; and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air channel.
According to the technical scheme of the embodiment of the invention, the power of the first pump body is adjusted through the relation among the power of the motor, the power of the first pump body and the preset balance condition so as to balance the water content of the wet film and the air volume in the air duct. Thereby adjust the pump body through adjusting first pump body power and to the water supply volume of wet film, and then adjust the water content of wet film to realize the balance of the water content of wet film and the amount of wind in the wind channel. The phenomena of water blowing and water floating of the air conditioner are avoided, and the use experience of a user is improved.
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1, fig. 1 is a schematic diagram of a system architecture platform for implementing a humidification control method of an air conditioner according to an embodiment of the present invention.
The system architecture platform 1000 of the present invention includes one or more processors 1001 and a memory 1002, and fig. 1 illustrates one processor 1001 and one memory 1002 as an example.
The processor 1001 and the memory 1002 may be connected by a bus or other means, such as the bus shown in fig. 1.
The memory 1002, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs as well as non-transitory computer-executable programs. Further, the memory 1002 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, memory 1002 optionally includes memory 1002 located remotely from processor 1001, which may be connected to system architecture platform 1000 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Those skilled in the art will appreciate that the device architecture shown in FIG. 1 does not constitute a limitation of system architecture platform 1000, and may include more or fewer components than those shown, or some components in combination, or a different arrangement of components.
In the system architecture platform 1000 shown in fig. 1, the processor 1001 may be configured to call a humidification control program of the air conditioner stored in the memory 1002, so as to implement a humidification control method of the air conditioner.
Based on the hardware structure of the system architecture platform 1000, various embodiments of the air conditioner of the present invention are proposed.
Specifically, the air conditioner of the embodiment of the present invention includes, but is not limited to: a housing formed with an air duct; the wind wheel assembly is positioned in the air duct and comprises a wind wheel and a motor, and the motor is used for driving the wind wheel to rotate; the humidifier component comprises a wet film, a water storage device and a pump body, wherein the wet film is positioned in the air channel, and the pump body is used for conveying water in the water storage device to the wet film; the heat exchanger is positioned in the air duct and between the wind wheel and the wet film, and water in the wet film can pass through the heat exchanger under the action of the wind wheel; a controller electrically connecting the motor and the pump body and configured to acquire motor power of the motor and first pump body power of the pump body; and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air channel. The controller may include a processor 1001 and a memory 1002 as shown in fig. 1.
It can be understood that the motor drives the wind wheel to rotate, and the rotating speed of the wind wheel can be increased along with the increase of the rotating speed of the motor. If the rotating speed of the motor is not changed, the resistance of the air duct is increased, and the power of the motor is improved; the rotating speed of the motor is increased, the air duct resistance is unchanged, and the power of the motor is also increased; if the power of the motor is not changed, the air duct resistance is reduced, and the rotating speed of the motor is increased. The air conditioner of this embodiment takes the power of the motor and the power of the pump body as the standard of measurement, and according to the power of the motor, the power of the first pump body and the preset balance condition, the power of the first pump body is adjusted to balance the water content of the wet film and the air volume in the air duct. Thereby adjust the pump body to the water supply volume of wet film through adjusting first pump body power to adjust the water content of wet film, and then realize the balance of the water content of wet film and the amount of wind in the wind channel. The phenomena of water blowing and water floating of the air conditioner are avoided, and the use experience of a user is improved.
In one embodiment, the equilibrium condition is that the first pump power is less than or equal to the first equilibrium power. A controller in the air conditioner is configured to determine a first balance power according to the motor power; and comparing the first pump body power with the first balance power, and reducing the first pump body power to the second pump body power if the first pump body power is greater than the first balance power. It can be understood that the water delivery amount of the pump body to the wet film is reduced by adopting a mode of reducing the power of the first pump body of the pump body, and then the dynamic balance between the water content of the wet film and the air volume in the air duct is realized. The phenomenon of water blowing and water floating of the air conditioner is avoided, and user experience is improved.
In one embodiment, the air conditioner further comprises a filter screen, wherein the filter screen is positioned in the air duct and positioned on the windward side of the wet film. The filter screen can filter the air that flows into the wind channel, and the air after will filtering is defeated for the wet membrane and is humidified again. The filter screen of this embodiment helps improving humidification efficiency, and then improves heat exchange efficiency. The filter screen can be HFPA filter screen or ULPA filter screen.
Referring to fig. 2, fig. 2 is a schematic diagram illustrating the operation of humidifying the wet film inside the air conditioner according to the embodiment of the present invention. In fig. 2, 1 is an evaporator, 2 is a wet film, and 3 is a screen. Air enters from the air inlet, flows through the filter screen for filtering, is humidified through the wet film which is wetted, exchanges heat through the evaporator and is blown out from the air outlet. The water storage device stores a certain amount of water, conveys the water in the water storage device to the wet film through the action of the pump body, and returns to the water storage device to form circulation to keep the wet film wet.
Based on the above module hardware structure of the air conditioner, various embodiments of the humidification control method of the air conditioner of the present invention are proposed.
As shown in fig. 3, fig. 3 is a flowchart of a humidification control method of an air conditioner according to an embodiment of the present invention. The humidification control method of the air conditioner of the embodiment of the invention comprises but is not limited to the steps of S100, S200 and S300.
And step S100, acquiring the motor power of the motor.
And step S200, acquiring first pump body power of the pump body.
It should be noted that, the obtaining order of the motor power and the first pump body power is not sequential.
And step S300, adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air duct.
Specifically, in the process of humidifying the air conditioner through the wet film, the water content of the wet film is determined by the water feeding amount of the pump body, and the higher the power of the pump body is, the larger the water feeding amount is, so that the water content of the wet film is larger. Along with the increase of water content, the attached water on the wet film can blow out the air conditioner along with the wind that the motor drive wind wheel rotatory and produce, appears the air conditioner and blows water, floats water phenomenon. Therefore, the balance between the moisture content of the wet film and the amount of air in the wind tunnel needs to be considered. In this embodiment, the change in the air volume is indicated by the magnitude of the motor power. The change of the water content of the wet film is indicated by the power of the pump body, namely the larger the power of the pump body is, the larger the water delivery amount delivered to the wet film is, and the larger the water content of the wet film is. The power of the motor and the power of the pump body are used as the measuring standards, and the dynamic balance between the water content of the wet film and the air quantity in the air duct is realized by adjusting the power of the pump body. The method comprises the following steps: and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air quantity in the air duct. It can be understood that the water delivery amount of the pump body to the wet film is adjusted by adjusting the power of the first pump body, so that the water content of the wet film is adjusted, and the balance between the water content of the wet film and the air volume in the air channel is realized. The phenomena of water blowing and water floating of the air conditioner are avoided, and the use experience of a user is improved.
It is understood that the motor power in step S100 may be determined by:
acquiring motor current and motor voltage of a motor;
and determining the motor power of the motor according to the motor current and the motor voltage.
In the process that the air conditioner humidifies through the wet film, the motor is used for driving the wind wheel to rotate. During operation of the motor, there are a number of operating parameters including motor speed, motor voltage, motor current, etc. In this embodiment, the motor power may be obtained by multiplying the motor current and the motor voltage. In another embodiment, the motor power may be determined by the motor speed. In another embodiment, the motor speed and the motor voltage may be used. The motor currents together determine the motor power. In addition, the motor is susceptible to ambient temperature, humidity, power supply voltage, wind guiding angle and the like in the process of driving the wind wheel to rotate. Therefore, the motor power correction parameter can be determined according to at least one of the environment temperature, the humidity, the power supply voltage and the wind guide angle, and the motor power can be determined according to the motor power correction parameter, the motor current and the motor voltage. It should be noted that, the obtaining order of the motor rotation speed, the motor voltage, the motor current and the motor power correction parameter is not sequential.
It is understood that the first pump power in step S200 can be determined by:
acquiring a first pump body current and a first pump body voltage of a pump body;
and determining the first pump power according to the first pump current and the first pump voltage.
In the process that the air conditioner humidifies through the wet film, the pump body is used for conveying water in the water storage device to the wet film. During operation of the pump body, a plurality of operating parameters exist. The operating parameters include pump speed, pump voltage, pump current, etc. In this embodiment, the pump power can be obtained by multiplying the pump current and the pump voltage. In another embodiment, the pump power may be determined by the pump speed. In another embodiment, the pump body rotation speed and the pump body voltage can be used. The pump currents together determine the pump power. In addition, the pump body is susceptible to the influence of the water quantity of the water storage device, the size of the water storage device, the water temperature and the like in the process of conveying the water in the water storage device to the wet film. Therefore, the pump body power correction parameter can be determined according to at least one of the water quantity of the water storage device, the size of the water storage device and the water temperature, and the pump body power is determined according to the pump body power correction parameter, the pump body current and the pump body voltage. It should be noted that, the pump body rotation speed, the pump body voltage, the pump body current, and the pump body power correction parameters are not acquired in sequence.
It should be noted that, because the motor and the pump are two independent components, the power of the motor cannot be simply compared with the power of the first pump. Therefore, in one embodiment, the first balance power is determined according to the motor power, and then the first balance power is compared with the first pump body power, and whether the first pump body power is too high can be determined according to the comparison result.
As shown in fig. 4, step S300 includes, but is not limited to, steps S210 to S220.
Step S210, determining a first balance power according to the motor power;
step S220, comparing the first pump power with the first balance power, and if the first pump power is greater than the first balance power, reducing the first pump power to the second pump power.
In a specific application scenario, when the air conditioner is in stable humidification, the first pump power of the pump is equal to the first balance power, the air volume in the air duct and the water content of the wet film are kept relatively balanced, and no water is blown out. However, when a user replaces or removes the filter screen, the wind resistance of the whole air duct is obviously reduced, and if the rotating speed of the wind wheel is unchanged, the motor power of the motor is reduced along with the reduction of the wind resistance, so that the first balance power determined according to the motor power is reduced along with the reduction of the wind resistance. At this time, the first pump power of the pump is greater than the first balance power, and the balance between the water content of the wet film and the air volume in the air duct is broken. The power of the first pump body needs to be reduced to the power of the second pump body, the balance between the water content of the wet film and the air quantity in the air duct is reestablished, and the phenomena of water blowing and water floating of the air conditioner are avoided.
It is understood that the first balance power of step S210 may be determined by: the motor power of the motor is between 30 watts and 50 watts, and the obtained first balance power is increased along with the increase of the motor power. For example: the motor power is 30 watts, corresponding to a first balance power of 20 watts. The motor power is 50 watts, corresponding to a first balance power of 24 watts. In one embodiment, the relationship between the first balance power and the motor power can be represented by the following balance equation: p2 ═ a1/P1+ b1 ═ P1-c 1. Wherein, P1 represents the motor power, P2 represents the first balance power, and a1, b1 and c1 are all empirical parameters. It should be noted that the balance formula can be adaptively adjusted according to different air conditioners. For example, different equilibrium formulas are obtained according to the structure of the air duct, the area and the thickness of the wet film and the like. The structure in wind channel includes: the structure of the air passage of the air conditioner, the form of the wind wheel (axial flow, cross flow or centrifugal), the size of the wind wheel and the like. The a1, b1 and c1 can be adaptively adjusted according to different air conditioners, and the embodiment of the invention is not particularly limited. The parameters of the balance formula are dimensionless parameters and are calculated by substituting numerical values. In one embodiment, the power value of the motor power is substituted into the balance formula, i.e., the corresponding power value of the first balance power is obtained by substituting 324 a1, 0.4 b1, and 2.4 c 1. For example, if the motor power is 40 w and the corresponding power value is 40, P2 is 324/40+0.4 × 40-2.4, and the power value for obtaining the first balanced power is 21.7, i.e., the first balanced power is 21.7 w. The first balanced power does not increase infinitely with the increase in the motor power due to considerations such as circuit protection, and generally the upper limit power of the first balanced power is about 25 watts.
It is understood that the second pump power in step S220 can be determined by: and reducing the voltage of the first pump body to the voltage of the second pump body, and determining the power of the second pump body according to the voltage of the second pump body and the current of the first pump body. The second pump power can also be determined by: and reducing the current of the first pump body to the current of the second pump body, and determining the power of the second pump body according to the current of the second pump body and the voltage of the first pump body.
Specifically, for how to reduce the power of the pump body, the present embodiment adopts a mode of reducing the pump body voltage or the pump body current, and it can be understood that such a reduction mode has simple control logic and is easy to implement. And no additional component is needed, the volume of the air conditioner can be reduced, and the hardware cost is also reduced. It should be noted that the second pump power may be determined according to the product of the second pump voltage and the first pump current, or the second pump power may be determined according to the product of the second pump current and the first pump voltage. Or determining a correction ratio according to the second pump voltage or the second pump current, and then determining the second pump power according to the correction ratio and the first pump power. In another embodiment, the pump voltage and the pump current can be simultaneously applied, for example, by dropping a first pump voltage to a second pump voltage and dropping the first pump current to the second pump current. And determining the second pump power according to the second pump voltage and the second pump current. It should be noted that the second pump power can be determined from the product of the second pump voltage and the second pump current. Or determining a correction ratio according to the second pump voltage and the second pump current, and then determining the second pump power according to the correction ratio and the first pump power.
It should be noted that the second pump power may be set to 90%, 80%, etc. of the first pump power. The second pump voltage can be set to 90%, 80%, etc. of the first pump voltage. The second pump current may be set to 90%, 80%, etc. of the first pump current. The present embodiment is not particularly limited.
Referring to fig. 5, after step S220, the humidification control method further includes, but is not limited to, step S310 through step S330.
Step S310, determining a second balance power according to the motor power, wherein the second balance power is smaller than the first balance power.
For example, the second balanced power is 90%, 80%, etc. of the first balanced power, and the embodiment of the present invention is not limited in particular.
Step S320, if the power of the second pump body is smaller than the second balance power, acquiring a first operation duration of the pump body operating at the power of the second pump body;
it should be noted that the preset first duration threshold may be set to 30 seconds, 40 seconds, 60 seconds, and the like, and the embodiment of the present invention is not particularly limited.
Step S330, if the first operation duration is longer than a preset first time threshold, increasing the power of the second pump body to the power of the target pump body, wherein the power of the target pump body is obtained through calculation according to the power of the motor.
Specifically, after step S220, the first pump power of the pump is reduced to the second pump power, and the second equilibrium power is determined according to the motor power, and the second equilibrium power needs to be smaller than the first equilibrium power. If the second pump body power is less than the second equilibrium power, and the pump body lasts for too long with the first operation duration of second pump body power operation, can lead to the water content of wet film too little, and then influences heat exchange efficiency. Therefore, after the first operation duration is longer than the preset first duration threshold, the power of the second pump body needs to be improved to the power of the target pump body, the water delivery amount of the pump body to the wet film is increased, the water content of the wet film is further improved, and the heat exchange efficiency of the air conditioner is guaranteed.
Specifically, the target pump power of step S330 can be calculated by: the power of the motor is 30 watts, and the corresponding target pump body power is 22 watts. The power of the motor is 50 watts, and the corresponding target pump body power is 17 watts. In one embodiment, the relationship between the target pump body power and the motor power can be expressed by the following equation: p3 ═ a2/P1+ b2 ═ P1-c 2. P1 represents motor power, P3 represents target pump power, and a2, b2 and c2 are empirical parameters. It should be noted that the pump formula can be adaptively adjusted according to different air conditioners. For example, different pump body formulas are obtained according to different structures of the air ducts, areas and thicknesses of the wet films and the like. The structure in wind channel includes: the structure of the air passage of the air conditioner, the form of the wind wheel (axial flow, cross flow or centrifugal), the size of the wind wheel and the like. The a2, b2 and c2 can be adaptively adjusted according to different air conditioners, and the embodiment of the invention is not particularly limited. It should be noted that all the parameters of the formula are dimensionless parameters, and the parameters are calculated by substituting numerical values. In one embodiment, the power value of the motor power is substituted into the pump formula to obtain the corresponding power value of the target pump power, where a2 is 340, b2 is 0.3, and c2 is 1.4. For example, the motor power is 40 watts, corresponding to a power value of 40. Then P3 is 340/40+0.3 × 40-1.4, resulting in a target pump power value of 19.1, i.e. a target pump power of 19.1 watts. In consideration of circuit protection and the like, the target pump power does not increase infinitely as the motor power increases, and generally the upper limit power of the target pump power is about 25 watts.
Referring to fig. 6, after step S220, the humidification control method further includes, but is not limited to, step S410 to step S420.
And step S410, determining second balanced power according to the motor power, wherein the second balanced power is smaller than the first balanced power.
For example, the second balanced power is 90%, 80% or the like of the first balanced power, and the embodiment is not particularly limited.
In step S420, if the power of the second pump is greater than or equal to the second equilibrium power, the power of the second pump is reduced to the power of the third pump until the power of the third pump is less than the second equilibrium power.
Specifically, after step S220, the first pump power of the pump is reduced to the second pump power, and the pump operates at the second pump power, so that the water supply amount of the pump to the wet film is reduced. However, because the water content of the wet film is still too high, if the pump body runs with the power of the second pump body, the balance between the water content of the wet film and the air volume in the air duct is not enough, and the phenomena of water blowing and water floating of the air conditioner can occur. Therefore, in the present embodiment, the second balance power is determined according to the motor power, but the second balance power needs to be smaller than the first balance power. And reducing the power of the second pump body to the power of the third pump body until the power of the third pump body is smaller than the second balance power. If the power of the third pump body is smaller than the second balance power, the pump body operates with the power of the third pump body to reduce the water feeding amount to the wet film, so that the balance between the water content of the wet film and the air volume in the air duct is realized, and the phenomena of water blowing and water floating of the air conditioner are avoided.
Referring to fig. 7, after step S420, the humidification control method further includes, but is not limited to, step S510 to step S520.
Step S510, if the third pump power is smaller than the second equilibrium power, obtaining a second operation duration of the pump operating at the third pump power.
It should be noted that the preset second time period threshold may be set to 30 seconds, 40 seconds, 60 seconds, and the like, and the embodiment of the present invention is not particularly limited.
And step S520, if the second operation duration is longer than a preset second duration threshold, increasing the power of the third pump body to the target pump body power, wherein the target pump body power is obtained through calculation according to the motor power.
Specifically, if the third pump power is less than the second equilibrium power, and the pump body is too long with the operation duration of the third pump power operation, the water content of the wet film will be too little, and then the heat exchange efficiency will be affected. Therefore, after the second operation duration is longer than the preset second duration threshold, the power of the third pump body needs to be increased to the power of the target pump body, the water delivery amount of the pump body to the wet film is increased, the water content of the wet film is further increased, and the heat exchange efficiency of the air conditioner is ensured.
For the calculation of the target pump power in this embodiment, please refer to the specific calculation process in the above embodiment, which is not described herein again.
The humidification control process of the air conditioner is controlled through the steps, dynamic balance between the water content of the wet film and the air volume in the air duct can be kept, the problem that the air conditioner is unbalanced between the water content of the wet film and the air volume in the air duct in the process of humidifying through the wet film is solved, the phenomenon that the air conditioner blows and floats water in the humidification process of the wet film is avoided, and user experience is improved.
The humidification control method of the present invention is described below by way of three practical examples.
In an example one, referring to fig. 8, the humidification control method of the air conditioner in the example one includes:
acquiring motor power of a motor;
determining a first balance power according to the motor power;
acquiring first pump body power of a pump body;
comparing the first pump body power with the first balance power, and reducing the first pump body power to the second pump body power if the first pump body power is larger than the first balance power;
determining a second balance power according to the motor power, wherein the second balance power is 90% of the first balance power;
if the power of the second pump body is smaller than the second balance power, acquiring a first operation duration of the pump body operating at the power of the second pump body;
and if the first operation duration is longer than a preset first time threshold (60 seconds), increasing the power of the second pump body to the target power of the pump body, wherein the target power of the pump body is calculated according to the power of the motor.
In a second example, referring to fig. 9, in a cooling mode or a heating mode, the humidification control method of the air conditioner in the second example includes:
acquiring motor power of a motor;
determining a first balance power according to the motor power;
acquiring first pump body power of a pump body;
comparing the first pump body power with the first balance power, and reducing the first pump body power to the second pump body power if the first pump body power is larger than the first balance power;
determining a second balance power according to the motor power, wherein the second balance power is 85% of the first balance power;
if the power of the second pump body is smaller than the second balance power, acquiring a first operation duration of the pump body operating at the power of the second pump body, and if the first operation duration is larger than a preset first time threshold (60 seconds), increasing the power of the second pump body to the target power of the pump body, wherein the target power of the pump body is obtained by calculation according to the power of the motor;
if the second pump body power is larger than or equal to the second balance power, reducing the second pump body power to the third pump body power until the third pump body power is smaller than the second balance power, if the third pump body power is smaller than the second balance power, acquiring a second operation duration of the pump body operating at the third pump body power, and if the second operation duration is larger than a preset second duration threshold (60 seconds), improving the third pump body power to the target pump body power, wherein the target pump body power is calculated according to the motor power.
In a third example, referring to fig. 10, the humidification control method of the air conditioner in the third example includes:
acquiring motor current and motor voltage of a motor;
determining the motor power of the motor according to the motor current and the motor voltage;
determining a first balance power according to the motor power;
acquiring a first pump body current and a first pump body voltage of a pump body;
determining a first pump body power according to the first pump body current and the first pump body voltage;
comparing the first pump body power with the first balance power, and reducing the first pump body power to the second pump body power if the first pump body power is larger than the first balance power;
determining a second balance power according to the motor power, wherein the second balance power is 92% of the first balance power;
if the second pump body power is smaller than the second balance power, acquiring a first operation duration of the pump body operating at the second pump body power, and if the first operation duration is larger than a preset first time threshold (60 seconds), increasing the second pump body power to a target pump body power, wherein the target pump body power is obtained by calculation according to the motor power;
if the second pump body power is larger than or equal to the second balance power, reducing the second pump body power to the third pump body power until the third pump body power is smaller than the second balance power, if the third pump body power is smaller than the second balance power, acquiring a second operation duration of the pump body operating at the third pump body power, and if the second operation duration is larger than a preset second duration threshold (60 seconds), improving the third pump body power to the target pump body power, wherein the target pump body power is calculated according to the motor power.
Based on the humidification control method of the air conditioner described above, various embodiments of the controller, the air conditioner, and the computer-readable storage medium of the present invention are separately set forth below.
One embodiment of the present invention provides a controller, including: a processor, a memory, and a computer program stored on the memory and executable on the processor.
The processor and memory may be connected by a bus or other means.
It should be noted that the controller in this embodiment may include a processor and a memory as in the embodiment shown in fig. 1, both of which belong to the same inventive concept, and therefore both of which have the same implementation principle and beneficial effects, and are not described in detail herein.
The non-transitory software programs and instructions required to implement the humidification control method of the air conditioner of the above-described embodiments are stored in the memory, and when executed by the processor, the humidification control method of the air conditioner of the above-described embodiments is performed.
In addition, the embodiment of the invention also provides an air conditioner, which comprises the controller.
It is to be noted that, since the air conditioner according to the embodiment of the present invention has the controller according to the above-described embodiment, and the controller according to the above-described embodiment is capable of executing the humidification control method according to the above-described embodiment, the specific implementation and technical effects of the air conditioner according to the embodiment of the present invention may refer to the specific implementation and technical effects of the humidification control method according to any one of the above-described embodiments.
Also provided in an embodiment of the present invention is a computer-readable storage medium, which stores computer-executable instructions for performing the humidification control method of the air conditioner, for example, executed by one processor 1001 in fig. 1, and may cause the one or more processors to perform the humidification control method in the above method embodiment, for example, the method steps S100 to S300 in fig. 3, the method steps S210 to S220 in fig. 4, the method steps S310 to S330 in fig. 5, the method steps S410 to S420 in fig. 6, and the method steps S510 to S520 in fig. 7.
The above-described embodiments of the apparatus are merely illustrative, and the units illustrated as separate components may or may not be physically separate, may be located in one place, or may be distributed over a plurality of network nodes. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.
One of ordinary skill in the art will appreciate that all or some of the steps, systems, and methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer readable storage media (or non-transitory media) and communication media (or transitory media). The term computer-readable storage medium includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer-readable storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can be accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.

Claims (14)

1. An air conditioner, comprising:
a housing formed with an air duct;
the wind wheel assembly is positioned in the wind channel and comprises a wind wheel and a motor, and the motor is used for driving the wind wheel to rotate;
the humidifier assembly comprises a wet film, a water storage device and a pump body, wherein the wet film is positioned in the air channel, and the pump body is used for conveying water in the water storage device to the wet film;
the heat exchanger is positioned in the air duct and between the wind wheel and the wet film, and water of the wet film can pass through the heat exchanger under the action of the wind wheel;
a controller electrically connected to the motor and the pump body and configured to obtain a motor power of the motor and a first pump body power of the pump body; and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air duct.
2. The air conditioner according to claim 1, wherein the balance condition is that the first pump body power is less than or equal to a first balance power; according to motor power, first pump body power and preset balance condition, adjust first pump body power, include:
determining a first balance power according to the motor power;
and comparing the first pump body power with the first balance power, and reducing the first pump body power to a second pump body power if the first pump body power is greater than the first balance power.
3. The air conditioner according to claim 1 or 2, further comprising a screen located in the air duct and on a windward side of the wet film.
4. The humidification control method of the air conditioner is characterized in that the air conditioner comprises a shell, an air wheel component, a humidifier component and a heat exchanger, wherein an air channel is formed in the shell; the wind wheel assembly is positioned in the air duct and comprises a wind wheel and a motor, and the motor is used for driving the wind wheel to rotate; the humidifier component comprises a wet film, a water storage device and a pump body, the wet film is located in the air channel, and the pump body is used for conveying water in the water storage device to the wet film; the heat exchanger is positioned in the air duct and between the wind wheel and the wet film, and water in the wet film can pass through the heat exchanger under the action of the wind wheel; the control method comprises the following steps:
obtaining motor power of the motor
Acquiring first pump body power of the pump body;
and adjusting the power of the first pump body according to the power of the motor, the power of the first pump body and a preset balance condition so as to balance the water content of the wet film and the air volume in the air duct.
5. The humidification control method of claim 4, wherein the equilibrium condition is that the first pump power is less than or equal to a first equilibrium power; according to motor power, first pump body power and preset balance condition, adjust first pump body power, include:
determining a first balance power according to the motor power;
and comparing the first pump body power with the first balance power, and reducing the first pump body power to a second pump body power if the first pump body power is greater than the first balance power.
6. The humidification control method according to claim 4 or 5, wherein the obtaining of the motor power of the motor includes:
acquiring motor current and motor voltage of a motor;
and determining the motor power of the motor according to the motor current and the motor voltage.
7. The humidification control method of claim 5, wherein the obtaining a first pump power of the pump comprises:
acquiring a first pump body current and a first pump body voltage of the pump body;
determining the first pump power from the first pump current and the first pump voltage.
8. The humidification control method of claim 7, wherein the second pump power is determined by:
reducing the first pump voltage to a second pump voltage, and determining the second pump power according to the second pump voltage and the first pump current;
or the like, or, alternatively,
and reducing the current of the first pump body to the current of a second pump body, and determining the power of the second pump body according to the current of the second pump body and the voltage of the first pump body.
9. The humidification control method according to claim 5, further comprising:
determining a second balance power according to the motor power, wherein the second balance power is smaller than the first balance power;
if the second pump body power is smaller than the second balance power, acquiring a first operation duration of the pump body operated at the second pump body power;
and if the first operation duration is longer than a preset first time threshold, increasing the power of the second pump body to the power of a target pump body, wherein the power of the target pump body is calculated according to the power of the motor.
10. The humidification control method according to claim 9, further comprising:
and if the power of the second pump body is greater than or equal to the second balance power, reducing the power of the second pump body to the power of a third pump body until the power of the third pump body is less than the second balance power.
11. The humidification control method according to claim 10, further comprising:
if the third pump body power is smaller than the second balance power, acquiring a second operation duration of the pump body operated at the third pump body power;
and if the second operation duration is greater than a preset second duration threshold, increasing the power of the third pump body to the power of a target pump body, wherein the power of the target pump body is calculated according to the power of the motor.
12. A controller comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the humidification control method of any one of claims 4 to 11 when executing the computer program.
13. An air conditioner characterized by comprising the controller according to claim 12.
14. A computer-readable storage medium storing computer-executable instructions for performing the humidification control method of any one of claims 4 to 11.
CN202210465229.7A 2022-04-29 2022-04-29 Air conditioner, humidification control method of air conditioner, controller and storage medium Active CN114877416B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107246693A (en) * 2017-05-27 2017-10-13 华为技术有限公司 Air-conditioning system and air conditioning humidifying method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107246693A (en) * 2017-05-27 2017-10-13 华为技术有限公司 Air-conditioning system and air conditioning humidifying method

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