CN109974253B - Fan control method, device and system of air conditioner capable of adjusting fan rotating speed - Google Patents

Fan control method, device and system of air conditioner capable of adjusting fan rotating speed Download PDF

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Publication number
CN109974253B
CN109974253B CN201910258319.7A CN201910258319A CN109974253B CN 109974253 B CN109974253 B CN 109974253B CN 201910258319 A CN201910258319 A CN 201910258319A CN 109974253 B CN109974253 B CN 109974253B
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fan
correction value
air conditioner
rotating speed
determining
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CN109974253A (en
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张仕强
焦华超
周冰
高晗
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/50—Load
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a fan control method, a fan control device and a fan control system of an air conditioner capable of adjusting the rotating speed of a fan. Wherein, the method comprises the following steps: acquiring a first meteorological parameter of a current time period; determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; and controlling the fan to operate at the actual fan rotating speed. The invention solves the technical problem of poor self-adaptability of the air conditioner in the operation process of the fan in the related technology.

Description

Fan control method, device and system of air conditioner capable of adjusting fan rotating speed
Technical Field
The invention relates to the technical field of intelligent household appliance control, in particular to a fan control method, device and system of an air conditioner capable of adjusting the rotating speed of a fan.
Background
The fan rotating speed control of the indoor unit of the traditional air conditioner adopts a rotating speed stepping mode, namely the rotating speed of the fan of the indoor unit is divided into a plurality of windshields such as an ultra-high-grade wind shield, a middle-grade wind shield and a low-grade wind shield, each windshield fixes a fan rotating speed, and a user selects the windshield to be used according to the requirement. When outdoor weather is favorable for unit operation and building load is small, indoor unit operation load is small, and noise experience is more important for users. However, the conventional control of the rotating speed of the internal machine only enables a user to select one of several fixed frequencies, and when the indoor load is small, the conditions that the capacity of the machine set is too large and the running noise of the internal machine is large occur, so that the user experience is poor.
Aiming at the problem of poor self-adaptability of the air conditioner in the related art in the running process of the fan, an effective solution is not provided at present.
Disclosure of Invention
The embodiment of the invention provides a fan control method, device and system of an air conditioner capable of adjusting the rotating speed of a fan, and aims to at least solve the technical problem of poor adaptivity of the air conditioner in the running process of the fan in the related technology.
According to an aspect of the embodiments of the present invention, there is also provided a fan control method of an air conditioner, including: acquiring a first meteorological parameter of a current time period; determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; and controlling the fan to operate at the actual fan rotating speed.
Optionally, the determining a first rotation speed correction value of a fan of the air conditioner according to the first weather parameter includes: determining an average air temperature over a predetermined time period; determining a first rotation speed correction value of the air conditioner in a current operation mode according to the average air temperature, wherein the current operation mode comprises the following steps: a cooling mode and a heating mode, wherein when the current operation mode of the air conditioner is the cooling mode, the first rotation speed correction value is reduced along with the increase of the average air temperature; when the current operation mode of the air conditioner is a heating mode, the first rotation speed correction value is increased along with the increase of the average air temperature.
Optionally, the determining a first rotation speed correction value of a fan of the air conditioner according to the first weather parameter further includes: establishing a preset rule between correction coefficients of the first rotating speed correction value in each weather state when the air conditioner operates in a cooling mode and a heating mode according to the preset rule; determining a first weather state in the preset time period, and determining that the first weather state obtains a first correction coefficient of a pair of first rotation speed correction values of the weather state from the preset rule; and determining the preset fan rotating speed of the fan of the air conditioner by using the correction coefficient pair to correct to obtain the first rotating speed correction value.
Optionally, the determining the actual fan speed of the fan under the first meteorological parameter by using the first speed correction value further includes: acquiring the building load of the area where the air conditioner is located; obtaining a second rotating speed correction value of the fan according to the building load; determining an actual fan speed of the fan at the first weather parameter and the building load in combination with the second speed correction value based on the first speed correction value.
Optionally, determining the actual fan speed of the fan at the first weather parameter and the building load in combination with the second speed correction value on the basis of the first speed correction value comprises: determining a third correction value corresponding to the actual fan rotating speed according to the first rotating speed correction value and the second rotating speed correction value; and correcting the preset fan rotating speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan rotating speed.
Optionally, before controlling the fan to operate at the actual fan speed, the fan control method of the air conditioner further includes: acquiring the temperature load coefficient of the area where the air conditioner is located; and obtaining the actual fan rotating speed by combining the temperature load coefficient.
Optionally, determining a third correction value corresponding to the actual fan rotation speed according to the first rotation speed correction value and the second rotation speed correction value includes: determining the third correction value by a first formula, wherein the first formula is: Δ R ═ Rt*Kt*K1*K2Where Δ R represents the third correction value, RtIndicating an air temperature rotational speed correction value, K, of said first rotational speed correction valuestIndicating a weather condition correction factor, K, in said first speed correction value1Coefficient representing the building load for determining the second speed correction value, K2Representing a temperature load factor of an environment in which the air conditioner is located.
Optionally, the weather condition correction coefficient KtIs determined according to the weather condition in the first weather parameter; wherein the weather condition correction factor K is determined according to the weather condition in the first weather parametertIn the past, the fan control method of the air conditioner further includes: determining each kindThe preset relation between the optimal rotating speed value of the fan and each weather state under the weather state; determining the weather state correction coefficient K of each weather state according to the preset relationt。
Optionally, the coefficient of building load K1Is determined according to the capacity of the indoor unit of the air conditioner, wherein the coefficient K of the building load1And decreases as the capacity of the indoor unit of the air conditioner increases.
Optionally, the temperature load coefficient K2Is determined according to the real-time temperature in the environment where the air conditioner is located, wherein the temperature load coefficient K2Increases with increasing real-time temperature.
Optionally, the third correction value is used to correct the preset fan rotating speed corresponding to the windshield of the fan, and obtaining the actual fan rotating speed includes: and determining the actual fan rotating speed according to the third correction value through a second formula, wherein the second formula is as follows: r ═ Ri- Δ R, where Δ R represents the third correction value, RiAnd representing a preset fan rotating speed of the fan, and R represents the actual fan rotating speed.
According to another aspect of the embodiments of the present invention, there is also provided a fan control apparatus of an air conditioner, including: the acquiring unit is used for acquiring a first meteorological parameter of the current time period; the first determining unit is used for determining a first rotating speed correction value of a fan of the air conditioner according to the first meteorological parameter; a second determining unit, configured to determine, using the first rotation speed correction value, an actual fan rotation speed of the fan under the first weather parameter; and the control unit is used for controlling the fan to operate at the actual fan rotating speed.
Optionally, the first determining unit includes: a first determination module for determining an average air temperature over a predetermined time period; the second determining module is used for determining a first rotation speed correction value of the air conditioner in a current operation mode according to the average air temperature, wherein the current operation mode comprises the following steps: a cooling mode and a heating mode, wherein when the current operation mode of the air conditioner is the cooling mode, the first rotation speed correction value is reduced along with the increase of the average air temperature; when the current operation mode of the air conditioner is a heating mode, the first rotation speed correction value is increased along with the increase of the average air temperature.
Optionally, the first determining unit further includes: the construction module is used for establishing a preset rule between correction coefficients of the first rotating speed correction value in the cooling mode and the heating mode of the air conditioner in each weather state according to the preset rule; the third determining module is used for determining a first weather state in the preset time period and determining a first correction coefficient of the first weather state to a first rotating speed correction value obtained from the preset rule; and the correction module is used for determining the preset fan rotating speed of the fan of the air conditioner by using the correction coefficient pair to correct so as to obtain the first rotating speed correction value.
Optionally, the first determining unit further includes: the first acquisition module is used for acquiring the building load of the area where the air conditioner is located; the second obtaining module is used for obtaining a second rotating speed correction value of the fan according to the building load; and the fourth determining module is used for determining the actual fan rotating speed of the fan under the first weather parameter and the building load by combining the second rotating speed correction value on the basis of the first rotating speed correction value.
Optionally, the fourth determining module includes: the first determining submodule is used for determining a third correction value corresponding to the actual fan rotating speed according to the first rotating speed correction value and the second rotating speed correction value; and the obtaining submodule is used for correcting the preset fan rotating speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan rotating speed.
Optionally, the first determining sub-module includes: a second determining submodule for determining the third correction value by a first formula, wherein the first formula is: Δ R ═ Rt*Kt*K1*K2Where Δ R represents the third correction value, RtIndicating air in the first corrected speed valueCorrection value of the warm rotational speed, KtIndicating a weather condition correction factor, K, in said first speed correction value1Coefficient representing the building load for determining the second speed correction value, K2Representing a temperature load factor of an environment in which the air conditioner is located.
Optionally, the weather condition correction coefficient KtIs determined according to the weather condition in the first weather parameter; wherein the weather condition correction factor K is determined according to the weather condition in the first weather parametertBefore, this fan controlling means of air conditioner still includes: determining a preset relation between the optimal rotating speed value of the fan and each weather state under each weather state; determining the weather state correction coefficient K of each weather state according to the preset relationt。
Optionally, the coefficient of building load K1Is determined according to the capacity of the indoor unit of the air conditioner, wherein the coefficient K of the building load1And decreases as the capacity of the indoor unit of the air conditioner increases.
Optionally, the temperature load coefficient K2Is determined according to the real-time temperature in the environment where the air conditioner is located, wherein the temperature load coefficient K2Increases with increasing real-time temperature.
Optionally, the first determining sub-module includes: a third determining submodule, configured to determine, according to the third correction value, the actual fan rotation speed through a second formula, where the second formula is: r ═ Ri- Δ R, where Δ R represents the third correction value, RiAnd representing a preset fan rotating speed of the fan, and R represents the actual fan rotating speed.
According to another aspect of the embodiment of the present invention, there is provided a fan control system of an air conditioner, which uses any one of the fan control methods of the air conditioner.
According to another aspect of the embodiment of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the fan control method of the air conditioner.
According to another aspect of the embodiment of the present invention, there is further provided a processor, where the processor is configured to run a program, where the program is executed when running to perform the fan control method of the air conditioner.
In the embodiment of the invention, a first meteorological parameter of the current time period is acquired; then determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; the fan of the air conditioner is controlled to operate in a mode of actual fan rotating speed operation, the purpose that the unit system of the air conditioner can automatically correct the rotating speed value of the inner unit of each windshield of the fan according to the received first weather parameter is achieved through the embodiment of the invention, the noise value of the inner unit in low-load operation is reduced under the condition that the operation effect of the inner unit is not influenced, the technical effect of improving user experience is achieved, and the technical problem that the adaptability of the fan of the air conditioner in the related technology is poor in the operation process is solved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart of a fan control method of an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart of a fan control method of an alternative air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic view of a blower control device of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
In accordance with an embodiment of the present invention, there is provided a method embodiment of a fan control method for an air conditioner, it should be noted that the steps illustrated in the flowchart of the drawings may be performed in a computer system, such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases the steps illustrated or described may be performed in an order different than that illustrated herein.
Fig. 1 is a flowchart of a fan control method of an air conditioner according to an embodiment of the present invention, and as shown in fig. 1, the fan control method of the air conditioner includes the steps of:
step S102, acquiring a first weather parameter of the current time period.
The first weather parameter represents a weather condition of the current time period, such as an indoor temperature, an indoor humidity, an air pressure value, a weather state (e.g., sunny, cloudy, rainy), and the like.
And step S104, determining a first rotation speed correction value of the fan of the air conditioner according to the first weather parameter.
And step S106, determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value.
And step S108, controlling the fan to run at the actual fan rotating speed.
Through the steps, the first meteorological parameter of the current time period can be obtained; determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; and controlling the fan to operate at the actual fan rotating speed. In this embodiment, a first rotational speed correction value of a fan of the air conditioner may be determined based on a first weather parameter for a current time period, determining the actual fan rotating speed of the fan by using the first rotating speed correction value, controlling the fan to operate by using the actual fan rotating speed, thereby effectively reducing the problem that the fan rotating speed control of the air conditioner in the related art only enables a user to select one of a plurality of fixed frequencies, when the indoor load is small, the defects of overlarge unit capacity and large running noise of the fan can occur, the unit system of the air conditioner can automatically correct the rotating speed value of the inner unit of each windshield of the fan according to the received first weather parameter, under the condition of not influencing the operation effect of the indoor unit, the purpose of reducing the noise value of the indoor unit during low-load operation is achieved, the technical effect of improving the user experience is achieved, and further solve the technical problem that the fan of the air conditioner in the related art is poor in self-adaptability in the operation process.
Since the meteorological parameters may include various types, such as air temperature, weather condition, etc., the determination of the first rotational speed correction value of the fan of the air conditioner using the first meteorological parameter in the embodiment of the present invention may be described in the following two aspects.
In one aspect, the determining a first rotation speed correction value of a fan of the air conditioner according to the first weather parameter in step S104 may include: determining an average air temperature over a predetermined time period; determining a first rotation speed correction value of the air conditioner in a current operation mode according to the average air temperature, wherein the current operation mode comprises the following steps: the air conditioner comprises a refrigeration mode and a heating mode, wherein when the current operation mode of the air conditioner is the refrigeration mode, a first rotating speed correction value is reduced along with the increase of the average air temperature; when the current operation mode of the air conditioner is the heating mode, the first rotation speed correction value increases as the average air temperature increases.
On the other hand, in step S104, determining a first rotation speed correction value of the fan of the air conditioner according to the first weather parameter may further include: establishing a preset rule between correction coefficients of the first rotating speed correction value in each weather state when the air conditioner operates in a cooling mode and a heating mode according to the preset rule; determining a first weather state in a preset time period, and determining a first correction coefficient of the first rotation speed correction value of the weather state obtained from a preset rule; and correcting the preset fan rotating speed of the fan of the air conditioner by using the correction coefficient pair to obtain a first rotating speed correction value.
The factors for determining the first rotating speed correction value are elaborated from the air temperature and the weather state, so that the first rotating speed correction value is more accurate to obtain, and the user experience is improved.
Preferably, in order to make the obtained actual fan rotation speed more reasonable, determining the actual fan rotation speed of the fan under the first meteorological parameter by using the first rotation speed correction value may further include: acquiring the building load of the area where the air conditioner is located; obtaining a second rotating speed correction value of the fan according to the building load; and determining the actual fan rotating speed of the fan under the first meteorological parameter and the building load by combining the second rotating speed correction value on the basis of the first rotating speed correction value.
Wherein determining the actual fan speed of the fan under the first weather parameter and the building load in combination with the second speed correction value on the basis of the first speed correction value may include: determining a third correction value corresponding to the actual fan rotating speed according to the first rotating speed correction value and the second rotating speed correction value; and correcting the preset fan rotating speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan rotating speed.
In addition, before controlling the fan to operate at the actual fan speed, the fan control method of the air conditioner may further include: collecting the temperature load coefficient of the area where the air conditioner is located; and obtaining the actual fan rotating speed by combining the temperature load coefficient. The temperature load coefficient is used as a factor for determining the actual fan rotating speed, the current indoor cold and heat load is judged according to the current indoor temperature, and the method has the functions of reducing the rotating speed correction of the indoor unit with larger current operation load according to the current indoor cold and heat load and ensuring the operation effect of the indoor unit in the area with higher current load.
Preferably, the determining a third correction value corresponding to the actual fan speed according to the first speed correction value and the second speed correction value includes: determining a third correction value by a first formula, wherein the first formula is: Δ R ═ Rt*Kt*K1*K2Where Δ R denotes a third correction value, RtIndicating a temperature rotational speed correction value, K, of the first rotational speed correction valuetIndicating the weather-Condition correction factor, K, in the first correction value of the speed of rotation1Coefficient representing the building load for determining the second speed correction value, K2Representing the temperature load factor of the environment in which the air conditioner is located.
For example, RtThe air temperature rotating speed correction value is determined by taking the average air temperature of 1 hour in the future as a reference, the operation load of the indoor unit is judged according to air temperature forecast, and the value of rotating speed correction of the indoor fan (namely the fan) is determined. The higher the average air temperature in 1 hour in the future, the larger the refrigerating load of the indoor unit is, the poorer the refrigerating effect is, and therefore, the smaller the corrected value of the refrigerating rotating speed is; the heating effect is better as the heating load is smaller, and therefore the heating rotation speed correction value is larger. Table 1 shows the magnitude of the first rotational speed correction value in the cooling and heating states and in different sections of the average air temperature.
TABLE 1
Figure BDA0002014472970000071
As an alternative embodiment, the weather condition correction factor KtIs determined according to the weather condition in the first weather parameter; wherein the weather condition correction factor K is determined based on the weather condition in the first weather parametertBefore oneThe fan control method of the air conditioner further comprises the following steps: determining a preset relation between the optimal rotating speed value of the fan under each weather state and each weather state; determining a weather condition correction coefficient K of each weather condition according to a predetermined relationshipt。
For example, when the weather condition shown in table 2 is fine, the weather condition correction coefficient K corresponding to the weather condition in the cooling conditiont0.8, corresponding weather condition correction coefficient K in heating conditiontIs 1.2.
I.e. KtWeather conditions representing a future period of time (e.g., 1 hour) are classified as: and judging the influence of different weather states on the operation of the indoor unit at multiple grades of sunny, cloudy, rainy and the like, and taking the influence as a reference factor of the first rotating speed correction value to obtain the operation state of the indoor unit suitable for the current weather. For example, the weather conditions are as follows: the sunny, cloudy and rainy grades are sequenced, and when the weather state goes to a next grade, the indoor refrigeration load becomes small, the heating load becomes large, the condensation effect of the outdoor heat exchanger becomes good, and the evaporation effect becomes poor; at the moment, the refrigerating effect of the indoor unit becomes good, the load becomes small, KtEnlarging; poor heating effect, large load, KtAnd becomes smaller. The weather condition correction coefficients of the first rotation speed correction value under the cooling and heating working conditions in different weather conditions are shown in table 2.
TABLE 2
In addition, coefficient of building load K1Is determined according to the capacity of the indoor unit of the air conditioner, wherein the coefficient K of the building load1And decreases as the capacity of the indoor unit of the air conditioner increases. The capacity of the indoor unit is determined according to the building area of the area where the air conditioner is installed, and the specific determination method is not particularly limited in the embodiment of the present invention.
I.e. K1A coefficient representing the building load for determining a second rotation speed correction value, representing the correction value of the rotation speed according to the building load, and a capacity decision according to each indoor unitAnd breaking the indoor cooling/heating requirement, wherein the function of the indoor unit cooling/heating requirement is to judge the operation load of the indoor unit and reduce the rotating speed correction of the indoor unit under the high operation load so as to ensure that the operation effect of the indoor unit in a high operation load area is not influenced. The larger the capacity of the indoor unit is, the larger the building load is, K1The smaller. Table 3 shows the correspondence between the capacities of the indoor units and the coefficients of the building load.
The temperature load coefficient K2Is determined according to the real-time temperature in the environment of the air conditioner, wherein the temperature load coefficient K2Increasing with increasing real-time temperature.
TABLE 3
Figure BDA0002014472970000082
K2The temperature load coefficient is used as one of factors for determining the actual fan rotating speed, the current indoor cold and heat load is judged according to the current indoor temperature, and the method has the functions of reducing the rotating speed correction of the indoor unit with larger current operation load according to the current indoor cold and heat load and ensuring the operation effect of the indoor unit in the area with higher current load. The higher the indoor temperature is, the larger the cooling load is, and the smaller the heating load is, the K is during cooling2The smaller, K in heating2The larger. Wherein, Table 3 shows the temperature load factor K corresponding to the cooling or heating condition at the indoor temperature2。
TABLE 4
It should be noted that, the above tables 1 to 4 only show the control method and the value trend thereof in the embodiment of the present invention, and in the actual control, the values may be set according to the unit performance and the actual situation.
Specifically, the third correction value is used for correcting the preset fan rotating speed corresponding to the windshield of the fan, and obtaining the actual fan rotating speed comprises the following steps: and determining the actual fan rotating speed through a second formula according to the third correction value, wherein the second formula is as follows: r ═ Ri- Δ R, where Δ R represents a third correction value, RiAnd the preset fan rotating speed of the fan is represented, and R represents the actual fan rotating speed.
It should be noted that, in the air conditioner unit in the embodiment of the present invention, the external unit includes a communication module, and the communication module may receive the weather parameter (i.e., the first weather parameter) sent by the server, obtain the weather parameter in the current time period, and send the weather parameter to the multi-connected air conditioner controller. In addition, the fan of the air conditioner has a plurality of dampers, including: and each windshield corresponds to a preset fan rotating speed.
When the air conditioner unit operates, meteorological parameters (namely, first meteorological parameters) of 1 hour in the future can be obtained in real time, wherein the meteorological parameters comprise weather states (clear, cloudy and rainy) and average air temperatures (below 5 ℃, 5-15 ℃, 15-25 ℃, 25-35 ℃ and above 35 ℃), a rotating speed correction value of each indoor unit is calculated according to the meteorological parameters, the correction value is adjusted according to the load of the indoor unit, the operation effect of the high-load indoor unit is ensured, the rotating speed of the indoor unit is corrected by the unit according to the final correction value △ R, a larger rotating speed correction value is obtained under the condition that the weather is favorable for the operation of the unit and the load of each indoor unit is small, the indoor unit operates at a lower rotating speed, and the operation noise is reduced under the condition.
As an alternative embodiment, after obtaining the first rotation speed correction value, the first rotation speed correction value may be adjusted by using the second rotation speed correction value, and the preset fan rotation speed is corrected by using the adjusted first rotation speed correction value to obtain the actual fan rotation speed, fig. 2 is a flowchart of a fan control method of an alternative air conditioner according to an embodiment of the present invention, as shown in fig. 2, an air conditioner unit obtains a weather parameter (i.e., a first weather parameter), then calculates a rotation speed correction value of an indoor unit (i.e., a first rotation speed correction value) according to the weather parameter, adjusts the rotation speed correction value of the indoor unit according to a building load, and operates in a low-rotation-speed and low-noise state under the condition that the operation effect of the indoor unit is guaranteed, so that the preset fan rotation speed is corrected by using the weather parameter and the building load, and thus without affecting the operation effect of the, and reducing the noise value when the indoor unit operates under low load.
In addition, according to another aspect of the embodiment of the present invention, there is provided a fan control system of an air conditioner, which uses any one of the fan control methods of the air conditioner. The fan control system of the air conditioner can determine a first rotating speed correction value of the fan of the air conditioner based on the first meteorological parameter of the current time period, determining the actual fan rotating speed of the fan by using the first rotating speed correction value, controlling the fan to operate by using the actual fan rotating speed, thereby effectively reducing the problem that the fan rotating speed control of the air conditioner in the related art only enables a user to select one of a plurality of fixed frequencies, when the indoor load is small, the defects of overlarge unit capacity and large running noise of the fan can occur, the unit system of the air conditioner can automatically correct the rotating speed value of the inner unit of each windshield of the fan according to the received first weather parameter, under the condition of not influencing the operation effect of the indoor unit, the purpose of reducing the noise value of the indoor unit during low-load operation is achieved, the technical effect of improving the user experience is achieved, and further solve the technical problem that the fan of the air conditioner in the related art is poor in self-adaptability in the operation process.
Example 2
The embodiment of the present invention further provides a fan control device for an air conditioner, and it should be noted that the fan control device for an air conditioner according to the embodiment of the present invention may be used to execute the fan control method for an air conditioner according to the embodiment of the present invention. The following describes a fan control device of an air conditioner according to an embodiment of the present invention.
Fig. 3 is a schematic view of a fan control apparatus of an air conditioner according to an embodiment of the present invention, and as shown in fig. 3, the fan control apparatus of the air conditioner includes: an acquisition unit 31, a first determination unit 33, a second determination unit 35, and a control unit 37. The following describes the fan control device of the air conditioner in detail.
An acquiring unit 31, configured to acquire the first weather parameter of the current time period.
And a first determining unit 33 for determining a first rotation speed correction value of the fan of the air conditioner according to the first weather parameter.
A second determining unit 35 for determining an actual fan speed of the fan at the first weather parameter using the first speed correction value.
And a control unit 37 for controlling the fan to operate at the actual fan speed.
In this embodiment, the first weather parameter of the current time period may be acquired by the acquisition unit; then, determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter by using a first determination unit; determining the actual fan rotating speed of the fan under the first meteorological parameter by using a second determining unit and the first rotating speed correction value; and a control unit for controlling the fan to operate at the actual fan speed. In this embodiment, a first rotational speed correction value of a fan of the air conditioner may be determined based on a first weather parameter for a current time period, determining the actual fan rotating speed of the fan by using the first rotating speed correction value, controlling the fan to operate by using the actual fan rotating speed, thereby effectively reducing the problem that the fan rotating speed control of the air conditioner in the related art only enables a user to select one of a plurality of fixed frequencies, when the indoor load is small, the defects of overlarge unit capacity and large running noise of the fan can occur, the unit system of the air conditioner can automatically correct the rotating speed value of the inner unit of each windshield of the fan according to the received first weather parameter, under the condition of not influencing the operation effect of the indoor unit, the purpose of reducing the noise value of the indoor unit during low-load operation is achieved, the technical effect of improving the user experience is achieved, and further solve the technical problem that the fan of the air conditioner in the related art is poor in self-adaptability in the operation process.
As an alternative embodiment, the first determination unit includes: a first determination module for determining an average air temperature over a predetermined time period; the second determining module is used for determining a first rotating speed correction value of the air conditioner in the current operation mode according to the average air temperature, wherein the current operation mode comprises the following steps: the air conditioner comprises a refrigeration mode and a heating mode, wherein when the current operation mode of the air conditioner is the refrigeration mode, a first rotating speed correction value is reduced along with the increase of the average air temperature; when the current operation mode of the air conditioner is the heating mode, the first rotation speed correction value increases as the average air temperature increases.
As an alternative embodiment, the first determining unit further includes: the construction module is used for establishing a preset rule between correction coefficients of the first rotating speed correction value in each weather state when the air conditioner operates in a cooling mode and a heating mode according to the preset rule; the third determining module is used for determining a first weather state in a preset time period and determining a first correction coefficient of the first rotation speed correction value of the first weather state from a preset rule; and the correction module is used for correcting the preset fan rotating speed of the fan of the air conditioner by using the correction coefficient pair to obtain a first rotating speed correction value.
As an alternative embodiment, the first determining unit further includes: the first acquisition module is used for acquiring the building load of the area where the air conditioner is located; the second acquisition module is used for obtaining a second rotating speed correction value of the fan according to the building load; and the fourth determining module is used for determining the actual fan rotating speed of the fan under the first meteorological parameter and the building load by combining the second rotating speed correction value on the basis of the first rotating speed correction value.
As an alternative embodiment, the fourth determining module includes: the first determining submodule is used for determining a third correction value corresponding to the actual fan rotating speed according to the first rotating speed correction value and the second rotating speed correction value; and the obtaining submodule is used for correcting the preset fan rotating speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan rotating speed.
As an alternative embodiment, the first determination submodule includes: a second determining submodule for determining a third correction value by a first formula, wherein the first formula is: Δ R ═ Rt*Kt*K1*K2Where Δ R denotes a third correction value, RtIndicating a temperature rotational speed correction value, K, of the first rotational speed correction valuetIndicating the weather-Condition correction factor, K, in the first correction value of the speed of rotation1Coefficient representing the building load for determining the second speed correction value, K2Representing the temperature load factor of the environment in which the air conditioner is located.
As an alternative embodiment, the weather condition correction factor KtIs determined according to the weather condition in the first weather parameter; wherein the weather condition correction factor K is determined based on the weather condition in the first weather parametertBefore, this fan controlling means of air conditioner still includes: determining a preset relation between the optimal rotating speed value of the fan under each weather state and each weather state; determining a weather condition correction coefficient K of each weather condition according to a predetermined relationshipt。
As an alternative embodiment, the coefficient of the building load K1Is determined according to the capacity of the indoor unit of the air conditioner, wherein the coefficient K of the building load1And decreases as the capacity of the indoor unit of the air conditioner increases.
As an alternative embodiment, the temperature load factor K2Is determined according to the real-time temperature in the environment of the air conditioner, wherein the temperature load coefficient K2Increasing with increasing real-time temperature.
As an alternative embodiment, the first determination submodule includes: and the third determining submodule is used for determining the actual fan rotating speed through a second formula according to a third correction value, wherein the second formula is as follows: r ═ Ri- Δ R, where Δ R represents a third correction value, RiAnd the preset fan rotating speed of the fan is represented, and R represents the actual fan rotating speed.
The fan control device of the air conditioner comprises a processor and a memory, wherein the acquiring unit 31, the first determining unit 33, the second determining unit 35, the control unit 37 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory. The kernel can be set to be one or more than one, and the fan is controlled to run at the actual fan rotating speed by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to another aspect of the embodiments of the present invention, there is also provided a storage medium including a stored program, wherein the program executes the fan control method of the air conditioner of any one of the above.
According to another aspect of the embodiment of the present invention, there is provided a processor, where the processor is configured to execute a program, where the program executes a fan control method of an air conditioner according to any one of the above methods.
The embodiment of the present invention further provides an apparatus, which includes a processor, a memory, and a program stored in the memory and executable on the processor, and when the processor executes the program, the following steps are implemented: acquiring a first meteorological parameter of a current time period; determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; and controlling the fan to operate at the actual fan rotating speed.
There is also provided in an embodiment of the invention a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: acquiring a first meteorological parameter of a current time period; determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter; determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value; and controlling the fan to operate at the actual fan rotating speed.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple 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, units or modules, and may be in an electrical 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 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 invention 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 unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (14)

1. A fan control method of an air conditioner is characterized by comprising the following steps:
acquiring a first meteorological parameter of a current time period;
determining a first rotation speed correction value of a fan of the air conditioner according to the first meteorological parameter;
determining the actual fan rotating speed of the fan under the first meteorological parameter by using the first rotating speed correction value;
controlling the fan to operate at the actual fan speed;
wherein determining the actual fan speed of the fan under the first weather parameter using the first speed correction value further comprises:
acquiring the building load of the area where the air conditioner is located;
obtaining a second rotating speed correction value of the fan according to the building load;
determining an actual fan speed of the fan at the first weather parameter and the building load in combination with the second speed correction value based on the first speed correction value.
2. The method of claim 1, wherein determining a first rotational speed correction value for a fan of an air conditioner based on the first weather parameter comprises:
determining an average air temperature over a predetermined time period;
determining a first rotation speed correction value of the air conditioner in a current operation mode according to the average air temperature, wherein the current operation mode comprises the following steps: a cooling mode and a heating mode, wherein when the current operation mode of the air conditioner is the cooling mode, the first rotation speed correction value is reduced along with the increase of the average air temperature; when the current operation mode of the air conditioner is a heating mode, the first rotation speed correction value is increased along with the increase of the average air temperature.
3. The method of claim 2, wherein determining a first correction value for a rotational speed of a fan of an air conditioner based on the first weather parameter further comprises:
establishing a preset rule between correction coefficients of the first rotating speed correction value in each weather state when the air conditioner operates in a cooling mode and a heating mode according to the preset rule;
determining a first weather state in the preset time period, and determining that the first weather state obtains a first correction coefficient of a pair of first rotation speed correction values of the weather state from the preset rule;
and determining the preset fan rotating speed of the fan of the air conditioner by using the correction coefficient pair to correct to obtain the first rotating speed correction value.
4. The method of claim 1, wherein determining the actual fan speed of the fan at the first weather parameter and the building load in combination with the second speed correction based on the first speed correction comprises:
determining a third correction value corresponding to the actual fan rotating speed according to the first rotating speed correction value and the second rotating speed correction value;
and correcting the preset fan rotating speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan rotating speed.
5. The method of claim 1, further comprising, prior to controlling the fan to operate at the actual fan speed:
acquiring the temperature load coefficient of the area where the air conditioner is located;
and obtaining the actual fan rotating speed by combining the temperature load coefficient.
6. The method of claim 4, wherein determining a third correction value corresponding to the actual fan speed based on the first speed correction value and the second speed correction value comprises:
determining the third correction value by a first formula, wherein the first formula is: Δ R ═ Rt*Kt*K1*K2Where Δ R represents the third correction value, RtIndicating an air temperature rotational speed correction value, K, of said first rotational speed correction valuestIndicating a weather condition correction factor, K, in said first speed correction value1Coefficient representing the building load for determining the second speed correction value, K2Representing a temperature load factor of an environment in which the air conditioner is located.
7. The method of claim 6, wherein the weather condition modification factor K istIs determined according to the weather condition in the first weather parameter; wherein the weather condition correction factor K is determined according to the weather condition in the first weather parametertBefore, still include:
determining a preset relation between the optimal rotating speed value of the fan and each weather state under each weather state;
determining the weather state correction coefficient K of each weather state according to the preset relationt。
8. Method according to claim 6, characterized in that the coefficient K of the building load1Is determined according to the capacity of the indoor unit of the air conditioner, wherein the coefficient K of the building load1And decreases as the capacity of the indoor unit of the air conditioner increases.
9. Method according to claim 6, characterized in that the temperature load factor K2Is determined according to the real-time temperature in the environment where the air conditioner is located, wherein the temperature load coefficient K2Increases with increasing real-time temperature.
10. The method of claim 6, wherein the correcting the preset fan speed corresponding to the windshield of the fan by using the third correction value to obtain the actual fan speed comprises:
and determining the actual fan rotating speed according to the third correction value through a second formula, wherein the second formula is as follows: r ═ Ri- Δ R, where Δ R represents the third correction value, RiAnd representing a preset fan rotating speed of the fan, and R represents the actual fan rotating speed.
11. A fan control device of an air conditioner, comprising:
the acquiring unit is used for acquiring a first meteorological parameter of the current time period;
the first determining unit is used for determining a first rotating speed correction value of a fan of the air conditioner according to the first meteorological parameter;
a second determining unit, configured to determine, using the first rotation speed correction value, an actual fan rotation speed of the fan under the first weather parameter;
the control unit is used for controlling the fan to operate at the actual fan rotating speed;
wherein the first determination unit further includes: the first acquisition module is used for acquiring the building load of the area where the air conditioner is located; the second obtaining module is used for obtaining a second rotating speed correction value of the fan according to the building load; and the fourth determining module is used for determining the actual fan rotating speed of the fan under the first weather parameter and the building load by combining the second rotating speed correction value on the basis of the first rotating speed correction value.
12. An air conditioner characterized in that the fan control system of the air conditioner uses the fan control method of the air conditioner as claimed in any one of claims 1 to 10.
13. A storage medium characterized by comprising a stored program, wherein the program executes the fan control method of an air conditioner according to any one of claims 1 to 10.
14. A processor, characterized in that the processor is configured to run a program, wherein the program is executed to execute the fan control method of the air conditioner according to any one of claims 1 to 10.
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