CN110454926B - Control method of air conditioner and air conditioner - Google Patents

Control method of air conditioner and air conditioner Download PDF

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Publication number
CN110454926B
CN110454926B CN201910681227.XA CN201910681227A CN110454926B CN 110454926 B CN110454926 B CN 110454926B CN 201910681227 A CN201910681227 A CN 201910681227A CN 110454926 B CN110454926 B CN 110454926B
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angle
preset
upper limit
included angle
air conditioner
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CN110454926A (en
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王军
陈守海
王铁
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Hisense Shandong Air Conditioning Co Ltd
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Hisense Shandong Air Conditioning 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
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/30—Velocity

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

Abstract

The embodiment of the invention discloses a control method of an air conditioner and the air conditioner, relates to the technical field of air conditioners, and can improve the comfort level of a user, enable condensation to meet the national standard requirement and not reduce the refrigeration effect of the air conditioner. The specific scheme is as follows: the method comprises the steps of obtaining humidity parameters in a current period after a first preset time period of a refrigeration mode or a dehumidification mode is operated, wherein the humidity parameters comprise indoor temperature, evaporation temperature, operation frequency of a compressor and air speed of an indoor fan, determining a humidity factor according to the humidity parameters, determining an upper limit included angle between an upper limit position and a zero degree position of an air deflector according to the humidity factor, and controlling the air deflector to rotate to a position corresponding to a target included angle in the current period if the upper limit included angle is smaller than the upper limit included angle in the previous period, wherein the target included angle is obtained according to the upper limit included angle and the lower limit included angle in the current period. The embodiment of the invention is used in the process of controlling the single air deflector by the air conditioner.

Description

Control method of air conditioner and air conditioner
Technical Field
The embodiment of the invention relates to the technical field of air conditioners, in particular to an air conditioner and a control method thereof.
Background
At present, cold air can blow to a human body when an air conditioner refrigerates or dehumidifies, so that the human body is uncomfortable. The specification in national standard 33658: the higher the speed of the cooling air blown to the human body and the lower the temperature, the higher the blowing sensation index and the lower the evaluation score.
And specified in national standard 7725: when the air conditioner is used for refrigeration, the air deflector is required to be arranged at the position most prone to condensation according to the specified condensation working condition, condensation cannot drop on the outer surface of the indoor unit after the air conditioner is operated for 4 hours, and indoor air supply cannot have water drops. Therefore, in order to meet the national standard requirement, the included angle between the upper limit position of the air deflector of the air conditioner and the closed air deflector is set to be larger. However, the large included angle makes the cooling air supply easily blow to the human body, resulting in discomfort to the human body.
In order to enable the condensation to meet the national standard requirement, the evaporation temperature can be improved by controlling the maximum operation frequency under the condensation working condition to be lower in the prior art, so that the condensation on the outer surface of the indoor unit is reduced, but the refrigeration effect of the air conditioner can be seriously reduced. Therefore, how to improve the comfort of the user and make the condensation meet the national standard requirement without reducing the cooling effect of the air conditioner when the air conditioner is cooling has become an important research topic of those skilled in the art.
Disclosure of Invention
The invention provides a control method of an air conditioner and the air conditioner, which can improve the comfort level of a user, enable condensation to meet the national standard requirement and do not reduce the refrigeration effect of the air conditioner.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a method for controlling an air conditioner, which may include: after a first preset time period of a refrigeration mode or a dehumidification mode, acquiring humidity parameters in a current period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, running frequency of a compressor and air speed of an indoor fan; determining a corresponding humidity factor according to the humidity parameter; determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero-degree position according to the humidity factor, wherein the zero-degree position is a position when the air deflector is closed; and if the upper limit included angle is smaller than the upper limit included angle in the previous period, controlling the air deflector to rotate to the position corresponding to the target included angle in the current period, and obtaining the target included angle according to the upper limit included angle and the lower limit included angle.
With reference to the first aspect, in a possible implementation manner, determining a corresponding humidity factor according to a humidity parameter may specifically include: the formula is adopted: t ═ T (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) Determining a humidity factor T; wherein, T1Base ofFor the preset indoor temperature, T1 is the indoor temperature, T2 is the evaporation temperature, T2Base ofIs a preset evaporation temperature corresponding to the wind speed, KF is a preset frequency coefficient corresponding to the wind speed, F is the operating frequency of the compressorBase ofIs a preset operating frequency corresponding to the wind speed.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero-degree position according to a humidity factor may specifically include: if the humidity factor is smaller than or equal to the first preset temperature, determining a pre-stored first preset angle as an upper limit included angle; if the humidity factor is greater than or equal to a second preset temperature, determining a second preset angle which is prestored as an upper limit included angle; the second preset angle is larger than the first preset angle; and if the humidity factor is greater than the first preset temperature and less than the second preset temperature, determining any angle in the range of the first preset angle and the second preset angle as an upper limit included angle.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, determining any one of the first preset angle and the second preset angle range as an upper limit included angle includes: if the humidity factor is greater than the first preset temperature and less than the second preset temperature, adopting a formula:
Figure BDA0002144810400000021
determining an upper limit included angle A; wherein A1 is a first predetermined angle, A2 is a second predetermined angle, T4 is a second predetermined temperature, T3 is a first predetermined temperature, and T is a humidity factor.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the method may further include: when a no-wind-sense instruction is received and the operation time of the refrigeration mode or the dehumidification mode reaches a first preset time period, determining a first angle between the upper limit position and the zero-degree position of the air deflector according to a humidity factor corresponding to the current humidity parameter; controlling the air deflector to rotate to a first position corresponding to the first angle; after the air deflector rotates to the first position within a second preset time period, re-determining a second angle between the upper limit position of the air deflector and the zero-degree position; if the second angle is smaller than the first angle, the air deflector is rotated to the upper limit position corresponding to the second angle until the angle between the air deflector and the zero-degree position is a first preset angle.
In a second aspect, the present invention provides an air conditioner, which may include: the device comprises an acquisition unit, a determination unit and a control unit; the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring humidity parameters in a current period after a first preset time period of a refrigeration mode or a dehumidification mode is operated, and the humidity parameters comprise indoor temperature, evaporation temperature, operating frequency of a compressor and air speed of an indoor fan; the determining unit is used for determining a corresponding humidity factor according to the humidity parameter; determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero-degree position according to the humidity factor, wherein the zero-degree position is a position when the air deflector is closed; and the control unit is used for controlling the air deflector to rotate to the position corresponding to the target included angle in the current period if the upper limit included angle is smaller than the upper limit included angle in the previous period, and the target included angle is obtained according to the upper limit included angle and the lower limit included angle.
With reference to the second aspect, in a possible implementation manner, the determining unit is specifically configured to: the formula is adopted: t ═ T (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) Determining a humidity factor T; wherein, T1Base ofFor the preset indoor temperature, T1 is the indoor temperature, T2 is the evaporation temperature, T2Base ofIs a preset evaporation temperature corresponding to the wind speed, KF is a preset frequency coefficient corresponding to the wind speed, F is the operating frequency of the compressorBase ofIs a preset operating frequency corresponding to the wind speed.
With reference to the second aspect and the foregoing possible implementation manners, in another possible implementation manner, the determining unit is specifically configured to: if the humidity factor is smaller than or equal to the first preset temperature, determining a pre-stored first preset angle as an upper limit included angle; if the humidity factor is greater than or equal to a second preset temperature, determining a second preset angle which is prestored as an upper limit included angle; the second preset angle is larger than the first preset angle; and if the humidity factor is greater than the first preset temperature and less than the second preset temperature, determining any angle in the range of the first preset angle and the second preset angle as an upper limit included angle.
With reference to the second aspect and the foregoing possible implementation manners, in another possible implementation manner, the determining unit is specifically configured to: if the humidity factor is greater than the first preset temperature and less than the second preset temperature, adopting a formula:
Figure BDA0002144810400000031
determining an upper limit included angle A; wherein A1 is a first predetermined angle, A2 is a second predetermined angle, T4 is a second predetermined temperature, T3 is a first predetermined temperature, and T is a humidity factor.
With reference to the second aspect and the possible implementation manners, in another possible implementation manner, the determining unit is further configured to determine, when the no-wind-sensation instruction is received and the operation time of the cooling mode or the dehumidification mode reaches a first preset time period, a first angle between the upper limit position of the air deflector and the zero-degree position according to a humidity factor corresponding to the current humidity parameter; the control unit is also used for controlling the air deflector to rotate to a first position corresponding to the first angle; the determining unit is further used for re-determining a second angle between the upper limit position and the zero-degree position of the air deflector after the air deflector rotates to the first position for a second preset time period; and the control unit is also used for rotating the air deflector to the upper limit position corresponding to the second angle until the angle between the air deflector and the zero-degree position is a first preset angle if the second angle is smaller than the first angle.
Specific implementation manners may refer to the behavior function of the air conditioner in the control method of the air conditioner provided in the first aspect or the possible implementation manners of the first aspect.
In a third aspect, an air conditioner is provided, including: at least one processor, a memory, a communication interface, and a communication bus. The processor is connected with the memory and the communication interface through a communication bus, the memory is used for storing computer execution instructions, and when the air conditioner runs, the processor executes the computer execution instructions stored in the memory, so that the air conditioner executes the control method of the air conditioner according to the first aspect or any one of the possible implementation manners of the first aspect.
In a fourth aspect, there is provided a computer storage medium having stored thereon computer-executable instructions that, when executed on an air conditioner, cause the air conditioner to perform the method of controlling the air conditioner as in the first aspect or any one of the possible implementations of the first aspect.
The control method of the air conditioner provided by the invention comprises the steps of obtaining a humidity parameter in a current period after a first preset time period of a refrigeration mode or a dehumidification mode is operated, determining a corresponding humidity factor according to the humidity parameter, determining an upper limit included angle between an upper limit position where an air deflector can swing and a zero degree position according to the humidity factor, and controlling the air deflector to rotate to a position corresponding to a target included angle in the current period if the upper limit included angle is smaller than the upper limit included angle in the previous period, wherein the target included angle is obtained according to the upper limit included angle and the lower limit included angle. Like this, upper limit contained angle and humidity factor through upper limit position with the aviation baffle are correlated with, come to confirm upper limit contained angle according to the humidity factor in the current cycle, because humidity factor obtains according to humidity parameter, every humidity parameter all is correlated with indoor relative humidity, consequently along with the increase of operating time, indoor relative humidity reduces gradually, the upper limit contained angle that confirms according to humidity factor can diminish, the upper limit contained angle in the current cycle promptly can be less than the upper limit contained angle in last cycle, thereby make the human body difficult by the cold wind blow, when having realized satisfying the national standard requirement of condensation, user's comfort level has been improved.
Drawings
Fig. 1 is a schematic diagram illustrating an air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the relationship between the difference between the air moisture content, the evaporation temperature, the dew point temperature and the evaporation temperature, and the relative humidity according to the embodiment of the present invention;
FIG. 4 is a schematic diagram illustrating the relationship between the evaporating temperature and the indoor temperature according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of the relationship between the evaporating temperature and the operating frequency of the compressor according to the embodiment of the present invention;
FIG. 6 is a schematic representation of relative humidity as a function of time provided by an embodiment of the present invention;
FIG. 7 is a schematic diagram illustrating a relationship between an upper-limit included angle and a humidity factor according to an embodiment of the present invention;
fig. 8 is a schematic view illustrating an included angle between an air deflector and a zero-degree position according to an embodiment of the present invention;
fig. 9 is a schematic view of a lower envelope of the outlet air of the air deflector at different positions according to the embodiment of the present invention;
FIG. 10 is a schematic diagram of another air conditioner according to an embodiment of the present invention;
fig. 11 is a schematic diagram of another air conditioner according to an embodiment of the present invention.
Detailed Description
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.
Fig. 1 is a schematic composition diagram of an air conditioner according to an embodiment of the present invention, and as shown in fig. 1, the air conditioner may include: at least one processor 11, a memory 12, a communication interface 13, and a communication bus 14.
The following describes the components of the air conditioner in detail with reference to fig. 1:
the processor 11 is a control center of the air conditioner, and may be a single processor or a collective term for a plurality of processing elements. For example, the processor 11 is a Central Processing Unit (CPU), an Application Specific Integrated Circuit (ASIC), or one or more Integrated circuits configured to implement embodiments of the present invention, such as: one or more Digital Signal Processors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
In particular implementations, processor 11 may include one or more CPUs, such as CPU0 and CPU1 shown in FIG. 1, for example, as one embodiment. Also, as an example, the air conditioner may include a plurality of processors, such as the processor 11 and the processor 15 shown in fig. 1. Each of these processors may be a Single-core processor (Single-CPU) or a Multi-core processor (Multi-CPU). A processor herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions).
The Memory 12 may be a Read-Only Memory (ROM) or other type of static storage device that can store static information and instructions, a Random Access Memory (RAM) or other type of dynamic storage device that can store information and instructions, an Electrically Erasable Programmable Read-Only Memory (EEPROM), a Compact Disc Read-Only Memory (CD-ROM) or other optical Disc storage, optical Disc storage (including Compact Disc, laser Disc, optical Disc, digital versatile Disc, blu-ray Disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, but is not limited to such. The memory 12 may be self-contained and coupled to the processor 11 via a communication bus 14. The memory 12 may also be integrated with the processor 11.
In a specific implementation, the memory 12 is used for storing data in the present invention and software programs for executing the present invention. The processor 11 may perform various functions of the air conditioner by running or executing a software program stored in the memory 12 and calling data stored in the memory 12.
The communication interface 13 is any device such as a transceiver for communicating with other devices or communication Networks, such as a Radio Access Network (RAN), a Wireless Local Area Network (WLAN), and the like. The communication interface 13 may include a receiving unit implementing a receiving function and a transmitting unit implementing a transmitting function.
The communication bus 14 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component Interconnect (PCI) bus, an Extended ISA (EISA) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 1, but it is not intended that there be only one bus or one type of bus.
It should be noted that, in the embodiment of the present invention, the air conditioner may be a split type air conditioner, a window type air conditioner, a variable frequency air conditioner such as a mobile air conditioner, and the like.
In order to improve the comfort level of a user, enable condensation to meet national standard requirements and not reduce the refrigeration effect of an air conditioner, the embodiment of the invention provides a control method of the air conditioner. As shown in fig. 2, the method may include:
201. and after the first preset time period of the refrigeration mode or the dehumidification mode, acquiring the humidity parameter in the current period.
When the air conditioner operates in a refrigeration mode or a dehumidification mode, the air deflector can be rotated to the position of the maximum upper limit included angle, so that condensation is avoided. After the air conditioner operates for the first preset time period, the performance of the air conditioner is stable, and the included angle of the air deflector can be periodically adjusted, which is described by taking one cycle as an example. The air conditioner may first obtain a humidity parameter in a current period, where the humidity parameter is a parameter related to indoor relative humidity, and specifically, the humidity parameter may include: indoor temperature, evaporating temperature, running frequency of a compressor and wind speed of an indoor fan. Wherein, the evaporation temperature can be obtained by a temperature sensor arranged on the indoor coil.
202. And determining a corresponding humidity factor according to the humidity parameter.
After acquiring the humidity parameter in the current period, the air conditioner may adopt a pre-stored formula: t ═ T (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) The corresponding humidity factor T is determined, T having the unit of ℃. Wherein, T1Base ofFor the preset indoor temperature, T1 is the indoor temperature in the current periodTemperature, T2 is the evaporating temperature in the current cycle, T2Base ofThe preset evaporation temperature corresponding to the wind speed in the current period is KF, the preset frequency coefficient corresponding to the wind speed is F, the running frequency of the compressor in the current period is FBase ofIs a preset operating frequency corresponding to the wind speed. In a particular implementation, T2Base ofAnd FBase ofIndicating the corresponding evaporation temperature and operation frequency when the indoor dry bulb temperature is 27 ℃, the indoor wet bulb temperature is 19 ℃ and the relative humidity is 47.5 percent under the working condition of standard cooling indoor, and at the moment, T1Base ofThe temperature was 27 ℃. And, T2Base of、FBase ofAnd KF is determined by the model of the air conditioner and the wind speed of the indoor fan.
Note that, in the embodiment of the present invention, the formula T ═ (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) The test was carried out in advance. From this equation, one can derive: the greater the humidity factor, the greater the relative humidity within the chamber because: FIG. 3 is a graph of the relationship between the air moisture content, the evaporation temperature during cooling or dehumidification, and the relative humidity of the indoor environment, respectively, as shown in FIG. 3, the relative humidity is a linear function of the air moisture content, and the evaporation temperature is a linear function of the relative humidity, the higher the evaporation temperature, that is, the relative humidity is T1Base of-T1 is positively correlated. FIG. 4 is a graph showing the relationship between the evaporating temperature and the indoor temperature, wherein the evaporating temperature increases approximately linearly with the increase of the indoor temperature at the same relative humidity as shown in FIG. 4, that is, the evaporating temperature is positively correlated with the indoor temperature, and the relative humidity is also positively correlated with the evaporating temperature, that is, (T2-T2)Base of) And are in positive correlation. FIG. 5 is a graph showing the relationship between the evaporating temperature and the operating frequency of the compressor, and as shown in FIG. 5, in the case that the relative humidity is the same, the indoor temperature is the same, and the wind speed of the indoor fan is the same, the evaporating temperature decreases with the increase of the operating frequency, that is, the evaporating temperature is in negative correlation with the operating frequency, and the relative humidity is in positive correlation with the evaporating temperature, so the relative humidity is in positive correlation with the operating frequency, that is, (F-F)Base of) Is inversely correlated. After comprehensive consideration and test, the relative humidity is obtained and the value of (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) In a positive correlation, the humidity factor is used to characterize the relative humidity in the embodiments of the present invention, so the greater the relative humidity, the greater the humidity factor.
203. And determining the upper limit included angle between the upper limit position of the air deflector capable of swinging and the zero-degree position according to the humidity factor.
Because the air deflector is positioned outside the air outlet of the indoor unit, the temperatures of the inner side and the outer side of the air deflector are different, and condensation is easy to generate. When the relative humidity of the indoor environment is higher, the corresponding dew point temperature (the dew point temperature refers to the temperature at which water vapor in the air becomes dew) is higher, so that the larger the difference between the dew point temperature and the evaporation temperature of the evaporator of the indoor unit (the evaporation temperature refers to the temperature at which liquid is vaporized), the more likely condensation occurs on the outer surface of the indoor unit. As shown in the relationship between the difference between the dew point temperature and the evaporating temperature and the relative humidity in fig. 3, when the relative humidity is lower than 30%, the difference between the dew point temperature and the evaporating temperature is negative, which indicates that no condensation is generated on the outer surface of the indoor unit; when the relative humidity is higher than 30%, the difference between the dew point temperature and the evaporation temperature is larger than zero, and the higher the relative humidity is, the larger the difference is, which indicates that the condensation is more easily generated on the outer surface of the indoor unit. Therefore, in order to meet the national standard requirement of condensation, the upper limit included angle which can swing by the air deflector when the relative humidity is higher can be set to be larger, and the upper limit included angle which can swing by the air deflector when the relative humidity is lower can be set to be smaller.
And since the relative humidity of the indoor environment gradually decreases as the operation time of the cooling or dehumidifying operation increases, when the relative humidity is low, no dehumidification or a low dehumidification amount in the room is achieved, that is, the relative humidity is stable after being reduced to a certain degree (typically 50% ± 10%), as shown in fig. 6.
With reference to fig. 3 and 6, it can be obtained that the upper-limit included angle is positively correlated with the relative humidity of the indoor environment, i.e. the humidity factor, as shown in fig. 7.
According to the relationship shown in fig. 7, the upper-limit included angle and the humidity factor can be associated in advance, and the relationship between the upper-limit included angle and the humidity factor can be prestored in the air conditioner. Therefore, after the air conditioner determines the humidity factor in the current period, the air conditioner can determine the upper limit included angle between the upper limit position where the air deflector can swing and the zero-degree position according to the pre-stored relation, wherein the zero-degree position is the position when the air deflector is completely closed.
Specifically, the method comprises the following steps: if the humidity factor is less than or equal to the first preset temperature, the air conditioner may determine a pre-stored first preset angle as the upper limit included angle; if the humidity factor is greater than or equal to the second preset temperature, the air conditioner can determine a second preset angle which is prestored as an upper limit included angle, and the second preset angle is greater than the first preset angle; if the humidity factor is greater than the first preset temperature and less than the second preset temperature, the air conditioner may determine any angle within the range of the first preset angle and the second preset angle as the upper limit included angle. In one possible implementation, if the humidity factor is greater than the first preset temperature and less than the second preset temperature, the air conditioner may adopt the formula:
Figure BDA0002144810400000081
determining an upper limit included angle A; the temperature sensor comprises a temperature sensor, a power supply, a power. Of course, for other formulas, if the following condition is satisfied: as the humidity factor decreases, the upper-limit included angle also decreases; when the range of the humidity factor is between the first preset temperature and the second preset temperature, the upper limit included angle obtained by using the formula is between the first preset angle and the second preset angle, and then the formula is also within the protection range of the embodiment of the invention.
It should be noted that, after the air conditioner determines the upper limit included angle, the range of the angle that the air deflector can swing at this time is: the upper limit included angle and the lower limit included angle refer to the lower limit position where the air deflector can swing. Fig. 8 is a schematic view of an included angle between the air deflector and the zero-degree position, and as shown in fig. 8, if the lower limit included angle is B and the upper limit included angle is a, then B is greater than a, and the swing range of the air deflector is between a and B. Fig. 9 is a schematic view of the lower envelope of the outlet air when the air deflector is at different positions, wherein the upper limit position corresponds to the lower envelope 1, and the lower limit position corresponds to the lower envelope 2, as can be seen from fig. 9, the smaller the included angle between the air deflector and the zero position, the higher the position of the lower envelope, the smaller the chance of blowing to the human body at this time, and according to the test, the upper limit position, the position of the lower envelope is higher than 1.8 m, and cold air cannot blow to the human body.
204. And if the upper limit included angle is smaller than the upper limit included angle in the previous period, controlling the air deflector to rotate to the position corresponding to the target included angle in the current period.
After determining the upper limit included angle in the current period, the air conditioner may compare the upper limit included angle with the upper limit included angle in the previous period. If the included angles are the same, the included angles of the air deflectors are kept unchanged in the current period. If the upper limit included angle is smaller than the upper limit included angle in the previous period, the air conditioner can control the air deflector to rotate to the position corresponding to the target included angle in the current period, and the target included angle is obtained according to the upper limit included angle and the fixed lower limit included angle in the current period.
In specific implementation, the air conditioner can include N aviation baffle swing gears, can equally divide the swing range between upper limit contained angle and the lower limit contained angle for every gear corresponds an angle. The gear preset by the air conditioner or the gear selected by a user is used as a target gear, the target gear corresponds to a target angle, when the upper limit included angle changes, the air conditioner can recalculate the target angle according to the changed upper limit included angle and the changed lower limit included angle, and the air deflector is rotated to the position corresponding to the target angle.
It should be noted that, in the embodiment of the present invention, the air conditioner may repeatedly perform steps 201 to 204, so that as the operation time increases, the indoor relative humidity decreases, the upper limit included angle decreases, the human body is not easily blown by cold air, and the comfort level of the user is improved.
For example, assuming that the first preset temperature T3 is 0 ℃, the first preset angle a1 is 20 °, the second preset temperature T4 is 3 ℃, the second preset angle a2 is 45 °, and the lower limit included angle is 95 °, when the humidity factor T in the current period is 3 ℃, the air conditioner determines that the upper limit included angle is 45 °, and the angle range that the air deflector can swing at this time is: 45 to 95. After ten minutes of operation, assuming that the humidity factor T in the current period is 1.5 ℃, the air conditioner can determine that the upper limit included angle is 32.5 °, and the range of the angle that the air deflector can swing at this time is: 32.5 deg. to 95 deg..
Furthermore, the invention can realize the function of direct blowing prevention or no wind sense. Specifically, when the air conditioner operates in the cooling mode or the dehumidification mode, if a no-wind instruction of a user is received, the air conditioner may first determine whether the operation time of the cooling mode or the dehumidification mode reaches a first preset time period. If not, the air deflector can be rotated to the maximum upper limit included angle, namely the position of a second preset angle, so as to avoid generating condensation. When the running time reaches a first preset time period, the performance of the air conditioner is stable, a first angle between the upper limit position of the corresponding air deflector and the zero-degree position can be determined according to the humidity factor corresponding to the current humidity parameter, and the air deflector is controlled to rotate to a first position corresponding to the first angle. After the air deflector rotates to the first position for a second preset time period, the air conditioner can determine a second angle between the upper limit position of the air deflector and the zero-degree position again, if the second angle is the same as the first angle, the air deflector is kept unchanged at the first position, and the humidity parameter is obtained again after the second preset time period; if the second angle is smaller than the first angle, the air deflector can be rotated to an upper limit position corresponding to the second angle, and after a second preset time period when the air deflector is rotated to the position, the upper limit angle is determined again until the upper limit angle is the first preset angle. If the first preset time period is reached, the current humidity parameter can be directly obtained, the corresponding humidity factor is determined, and the upper limit included angle is adjusted. Therefore, the humidity factor is determined by periodically acquiring the humidity parameter to dynamically adjust the upper limit position until the upper limit included angle is minimum, and the human body cannot be blown at the moment.
Illustratively, according to the above example, assuming that the operation time of the cooling mode or the dehumidifying mode reaches the first preset time period when the no-wind instruction is received, and the humidity factor is 4 ℃, the upper limit included angle is determined to be 45 °, and the air deflector is rotated to the 45 ° position. And after 5 minutes of a second preset time period, if the humidity factor determined by the air conditioner is 3 ℃ and the corresponding upper limit included angle is still 45 degrees, keeping the position of the air deflector unchanged. If the determined humidity factor is 1.5 deg.c, the air conditioner may calculate the upper-limit included angle as 32.5 deg. using the formula a of 20+ (45-20) (1.5-0)/(3-0) of 32.5 deg., and turn the air deflector from 45 deg. to 32.5 deg.. Thus, as the humidity factor is gradually reduced, the upper limit included angle of the air deflector is correspondingly reduced every 5 minutes until the upper limit included angle is reduced to 20 degrees.
For another example, if the determined humidity factor is 0 ℃ when the no-wind instruction is received and the operation time of the cooling mode or the dehumidification mode reaches the first preset time period, the upper limit included angle determined by the air conditioner is 20 °, and the air deflector is controlled to rotate to the position of 20 °. The humidity factor is determined every five minutes, and if the humidity factor is always less than or equal to 0 ℃, the air deflector is always kept at the position of 20 degrees, so that the function of no wind sensation is realized.
The control method of the air conditioner provided by the invention comprises the steps of obtaining a humidity parameter in a current period after a first preset time period of a refrigeration mode or a dehumidification mode is operated, determining a corresponding humidity factor according to the humidity parameter, determining an upper limit included angle between an upper limit position where an air deflector can swing and a zero degree position according to the humidity factor, and controlling the air deflector to rotate to a position corresponding to a target included angle in the current period if the upper limit included angle is smaller than the upper limit included angle in the previous period, wherein the target included angle is obtained according to the upper limit included angle and the lower limit included angle. Like this, upper limit contained angle and humidity factor through upper limit position with the aviation baffle are correlated with, come to confirm upper limit contained angle according to the humidity factor in the current cycle, because humidity factor obtains according to humidity parameter, every humidity parameter all is correlated with indoor relative humidity, consequently along with the increase of operating time, indoor relative humidity reduces gradually, the upper limit contained angle that confirms according to humidity factor can diminish, the upper limit contained angle in the current cycle promptly can be less than the upper limit contained angle in last cycle, thereby make the human body difficult by the cold wind blow, when having realized satisfying the national standard requirement of condensation, user's comfort level has been improved.
The scheme provided by the embodiment of the invention is mainly introduced from the perspective of an air conditioner. It is understood that the air conditioner includes hardware structures and/or software modules corresponding to the respective functions in order to implement the above-described functions. Those of skill in the art will readily appreciate that the present invention can be implemented in hardware or a combination of hardware and computer software, in conjunction with the exemplary algorithm steps described in connection with the embodiments disclosed herein. Whether a function is performed as hardware or computer software drives hardware depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The embodiment of the present invention may perform the division of the functional modules for the air conditioner according to the method example, for example, each functional module may be divided corresponding to each function, or two or more functions may be integrated into one processing module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. It should be noted that, the division of the modules in the embodiment of the present invention is schematic, and is only a logic function division, and there may be another division manner in actual implementation.
In the case of dividing each function module according to each function, fig. 10 shows another possible composition diagram of the air conditioner related to the above embodiment, as shown in fig. 10, the air conditioner may include: an acquisition unit 31, a determination unit 32 and a control unit 33.
Wherein, the obtaining unit 31 is configured to support the air conditioner to execute step 201 in the control method of the air conditioner shown in fig. 2.
And a determination unit 32 for supporting the air conditioner to execute the steps 202 and 203 in the control method of the air conditioner shown in fig. 2.
The control unit 33 is configured to support the air conditioner to execute step 204 in the control method of the air conditioner shown in fig. 2.
It should be noted that all relevant contents of each step related to the above method embodiment may be referred to the functional description of the corresponding functional module, and are not described herein again.
The air conditioner provided by the embodiment of the invention is used for executing the control method of the air conditioner, so that the same effect as the control method of the air conditioner can be achieved.
In the case of an integrated unit, fig. 11 shows another possible schematic composition of the air conditioner according to the above-described embodiment. As shown in fig. 11, the air conditioner includes: a processing module 41, a communication module 42 and a storage module 43.
Wherein the processing module 41 is used for controlling and managing the action of the air conditioner, for example, the processing module 41 is used for supporting the air conditioner to execute step 201, step 202, step 203, step 204 in fig. 2, and/or other processes for the technology described herein. The communication module 42 is used to support the communication between the air conditioner and other network entities. And a storage module 43 for storing program codes and data of the air conditioner.
The processing module 41 may be the processor in fig. 1. Which may implement or perform the various illustrative logical blocks, modules, and circuits described in connection with the disclosure. A processor may also be a combination of computing functions, e.g., comprising one or more microprocessors, a DSP and a microprocessor, or the like. The communication module 42 may be the communication interface of fig. 1. The storage module 43 may be the memory of fig. 1.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described device embodiments are merely illustrative, and for example, the division of the modules or units is only one logical functional division, and there may be other divisions when actually implemented, for example, a plurality of units or components may be combined or may be integrated into another device, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may be one physical unit or a plurality of physical units, that is, may be located in one place, or may be distributed in a plurality of different places. 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 readable storage medium. Based on such understanding, the technical solution of the embodiments of the present invention may be essentially or partially contributed to by the prior art, or all or part of the technical solution may be embodied in the form of a software product, where the software product is stored in a storage medium and includes several instructions to enable a device (which may be a single chip, a chip, or the like) or a processor (processor) 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: various media capable of storing program codes, such as a U disk, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions within the technical scope of the present invention are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims (10)

1. A method for controlling an air conditioner, the method comprising:
after a first preset time period of a refrigeration mode or a dehumidification mode, acquiring humidity parameters in a current period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, running frequency of a compressor and wind speed of an indoor fan;
determining a corresponding humidity factor according to the humidity parameter;
determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero-degree position according to the humidity factor, wherein the zero-degree position is a position when the air deflector is closed;
if the upper limit included angle is smaller than the upper limit included angle in the previous period, controlling the air deflector to rotate to a position corresponding to a target included angle in the current period, wherein the target included angle is obtained according to the upper limit included angle and the lower limit included angle;
determining a corresponding humidity factor according to the humidity parameter includes:
the formula is adopted: t ═ T (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) Determining the humidity factor T; wherein, T1Base ofTo preset indoor temperature, T1 is the indoor temperature, T2 is the evaporation temperature, T2Base ofFor a preset evaporation temperature corresponding to the wind speed, KF is a preset frequency coefficient corresponding to the wind speed, F is the operating frequency of the compressorBase ofThe wind speed is the preset running frequency corresponding to the wind speed.
2. The method for controlling the air conditioner according to claim 1, wherein the determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero degree position according to the humidity factor comprises:
if the humidity factor is smaller than or equal to a first preset temperature, determining a pre-stored first preset angle as the upper limit included angle;
if the humidity factor is greater than or equal to a second preset temperature, determining a second preset angle which is prestored as the upper limit included angle; the second preset angle is larger than the first preset angle;
and if the humidity factor is greater than the first preset temperature and less than the second preset temperature, determining any angle between the first preset angle and the second preset angle range as the upper limit included angle.
3. The method of claim 2, wherein the determining any one of the first preset angle and the second preset angle as the upper limit included angle comprises:
if the humidity factor is greater than the first preset temperature and less than the second preset temperature, adopting a formula:
Figure FDA0002663430630000011
determining the upper limit included angle A; wherein, A1 is the first preset angle, A2 is the second preset angle, T4 is the second preset temperature, T3 is the first preset temperature, and T is the humidity factor.
4. The control method of an air conditioner according to claim 1, further comprising:
when a no-wind-sense instruction is received and the running time of the refrigeration mode or the dehumidification mode reaches the first preset time period, determining a first angle between the upper limit position of the air deflector and the zero-degree position according to a humidity factor corresponding to the current humidity parameter;
controlling the air deflector to rotate to a first position corresponding to the first angle;
after the air deflector rotates to the first position for a second preset time period, re-determining a second angle between the upper limit position of the air deflector and the zero-degree position;
if the second angle is smaller than the first angle, the air deflector is rotated to the upper limit position corresponding to the second angle until the angle between the air deflector and the zero-degree position is a first preset angle.
5. An air conditioner, characterized in that the air conditioner comprises: the device comprises an acquisition unit, a determination unit and a control unit;
the acquiring unit is used for acquiring humidity parameters in the current period after a first preset time period of a refrigeration mode or a dehumidification mode is operated, wherein the humidity parameters comprise indoor temperature, evaporation temperature, operating frequency of a compressor and air speed of an indoor fan;
the determining unit is used for determining a corresponding humidity factor according to the humidity parameter; determining an upper limit included angle between an upper limit position where the air deflector can swing and a zero-degree position according to the humidity factor, wherein the zero-degree position is a position when the air deflector is closed;
the control unit is used for controlling the air deflector to rotate to a position corresponding to a target included angle in the current period if the upper limit included angle is smaller than the upper limit included angle in the previous period, and the target included angle is obtained according to the upper limit included angle and the lower limit included angle;
the determining unit is specifically configured to:
the formula is adopted: t ═ T (T1)Base of-T1)+(T2-T2Base of)+KF*(F-FBase of) Determining the humidity factor T; wherein, T1Base ofTo preset indoor temperature, T1 is the indoor temperature, T2 is the evaporation temperature, T2Base ofFor a preset evaporation temperature corresponding to the wind speed, KF is a preset frequency coefficient corresponding to the wind speed, F is the operating frequency of the compressorBase ofThe wind speed is the preset running frequency corresponding to the wind speed.
6. The air conditioner according to claim 5, wherein the determining unit is specifically configured to:
if the humidity factor is smaller than or equal to a first preset temperature, determining a pre-stored first preset angle as the upper limit included angle;
if the humidity factor is greater than or equal to a second preset temperature, determining a second preset angle which is prestored as the upper limit included angle; the second preset angle is larger than the first preset angle;
and if the humidity factor is greater than the first preset temperature and less than the second preset temperature, determining any angle between the first preset angle and the second preset angle range as the upper limit included angle.
7. The air conditioner according to claim 6, wherein the determining unit is specifically configured to:
if the humidity factor is greater than the first preset temperature and less than the second preset temperature, adopting a formula:
Figure FDA0002663430630000031
determining the upper limit included angle A; wherein, A1 is the first preset angle, A2 is the second preset angle, T4 is the second preset temperature, T3 is the first preset temperature, and T is the humidity factor.
8. The air conditioner according to claim 5,
the determining unit is further configured to determine a first angle between the upper limit position of the air deflector and the zero-degree position according to a humidity factor corresponding to a current humidity parameter when a no-wind-sensation instruction is received and the operation time of the refrigeration mode or the dehumidification mode reaches the first preset time period;
the control unit is further used for controlling the air deflector to rotate to a first position corresponding to the first angle;
the determining unit is further configured to re-determine a second angle between the upper limit position of the air deflector and the zero-degree position after the air deflector rotates to the first position for a second preset time period;
the control unit is further configured to rotate the air deflector to an upper limit position corresponding to the second angle until the angle between the air deflector and the zero-degree position is a first preset angle if the second angle is smaller than the first angle.
9. An air conditioner, characterized in that the air conditioner comprises: a processor, a memory, a communication interface, and a communication bus;
the processor is connected with the memory and the communication interface through the communication bus, the memory is used for storing computer execution instructions, and when the air conditioner runs, the processor executes the computer execution instructions stored by the memory so as to enable the air conditioner to execute the control method of the air conditioner according to any one of claims 1-4.
10. A computer storage medium characterized by comprising computer-executable instructions that, when run on an air conditioner, cause the air conditioner to perform the control method of the air conditioner according to any one of claims 1 to 4.
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