CN110454927B - 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
CN110454927B
CN110454927B CN201910681712.7A CN201910681712A CN110454927B CN 110454927 B CN110454927 B CN 110454927B CN 201910681712 A CN201910681712 A CN 201910681712A CN 110454927 B CN110454927 B CN 110454927B
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preset
angle
determining
included angle
air conditioner
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CN110454927A (en
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王军
王铁
陈守海
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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)
  • Signal Processing (AREA)
  • Human Computer Interaction (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: when the air conditioner runs in a refrigeration mode or a dehumidification mode, a no-wind-sense instruction is received, a humidity parameter in a current period is obtained after a preset time period is run, the humidity parameter comprises indoor temperature, evaporation temperature, running frequency of a compressor and wind speed of an indoor fan, a humidity factor is determined according to the humidity parameter, a first included angle between a first upper limit position and a first zero-degree position of an outer air deflector is determined according to the humidity factor, a second included angle between a second upper limit position and a second zero-degree position of the inner air deflector is determined, and if the first included angle is smaller than the included angle of the outer air deflector in the previous period, the outer air deflector is controlled to rotate to the first upper limit position in the current period, and the inner air deflector is controlled to rotate to the second upper limit position. The embodiment of the invention is used for controlling the double air guide plates of 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: receiving a no-wind instruction of a user when a refrigeration mode or a dehumidification mode is operated; after the operation is carried out for a preset time period, acquiring humidity parameters in the current period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, operation frequency of a compressor and air speed of an indoor fan; determining a corresponding humidity factor according to the humidity parameter; determining a first included angle between a first upper limit position and a first zero degree position of the outer air deflector according to the humidity factor, and determining a second included angle between a second upper limit position and a second zero degree position of the inner air deflector; the first zero-degree position is the position when the outer air deflector is closed, and the second zero-degree position is the position when the inner air deflector is closed; if the first included angle is smaller than the included angle of the outer air deflector in the previous period, the outer air deflector is controlled to rotate to the first upper limit position in the current period, and the inner air deflector is controlled to rotate to the second upper limit position.
With reference to the first aspect, in a possible implementation manner, determining a corresponding humidity factor according to a humidity parameter includes: 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 evaporationTemperature, 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 a first included angle between a first upper limit position and a first zero-degree position of the outer air deflector and determining a second included angle between a second upper limit position and a second zero-degree position of the inner air deflector according to the humidity factor includes: if the humidity factor is smaller than or equal to the first preset temperature, determining a pre-stored first preset angle as a first included angle, and determining a pre-stored second preset angle as a second included angle; if the humidity factor is greater than or equal to the second preset temperature, determining a prestored third preset angle as a first included angle, and determining a prestored fourth preset angle as a second included angle; the third preset angle is larger than the first preset angle, and the fourth preset angle is smaller than the second 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 third preset angle as a first included angle, and determining a second included angle according to the first 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 a third preset angle range as the first 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 BDA0002144933310000021
determining a first included angle A; wherein A1 is a first predetermined angle, A3 is a third 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, determining a second included angle according to a first included angle includes: if the first included angle is smaller than or equal to a fifth preset angle, determining the second preset angle as a second included angle; the fifth preset angle is larger than the first preset angle and smaller than the third preset angle; and if the first included angle is larger than the fifth preset angle, determining the fourth preset angle as the second included angle.
In a second aspect, the present invention provides an air conditioner, which may include: the device comprises a receiving unit, an acquisition unit, a determination unit and a control unit. And the receiving unit is used for receiving a no-wind instruction of a user when the refrigeration mode or the dehumidification mode is operated. And the acquisition unit is used for acquiring humidity parameters in the current period after the operation of the unit is carried out for a preset time period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, the operation frequency of a compressor and the wind speed of an indoor fan. The determining unit is used for determining a corresponding humidity factor according to the humidity parameter; determining a first included angle between a first upper limit position and a first zero degree position of the outer air deflector according to the humidity factor, and determining a second included angle between a second upper limit position and a second zero degree position of the inner air deflector; the first zero-degree position is the position when the outer air deflector is closed, and the second zero-degree position is the position when the inner air deflector is closed. And the control unit is used for controlling the outer air deflector to rotate to the first upper limit position and controlling the inner air deflector to rotate to the second upper limit position in the current period if the first included angle is smaller than the included angle of the outer air deflector in the previous period.
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 a first included angle, and determining a pre-stored second preset angle as a second included angle; if the humidity factor is greater than or equal to the second preset temperature, determining a prestored third preset angle as a first included angle, and determining a prestored fourth preset angle as a second included angle; the third preset angle is larger than the first preset angle, and the fourth preset angle is smaller than the second 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 third preset angle as a first included angle, and determining a second included angle according to the first 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 BDA0002144933310000031
determining a first included angle A; wherein A1 is a first predetermined angle, A3 is a third 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 foregoing possible implementation manners, in another possible implementation manner, the determining unit is specifically configured to: if the first included angle is smaller than or equal to a fifth preset angle, determining the second preset angle as a second included angle; the fifth preset angle is larger than the first preset angle and smaller than the third preset angle; and if the first included angle is larger than the fifth preset angle, determining the fourth preset angle as the second included 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 receiving a no-wind-sense instruction of a user when the air conditioner runs in a refrigeration mode or a dehumidification mode, obtaining a humidity parameter in a current period after running for a preset time period, determining a corresponding humidity factor according to the humidity parameter, determining a first included angle between a first upper limit position and a first zero-degree position of an outer air deflector according to the humidity factor, determining a second included angle between a second upper limit position and a second zero-degree position of an inner air deflector, and controlling the outer air deflector to rotate to the first upper limit position and controlling the inner air deflector to rotate to the second upper limit position in the current period if the first included angle is smaller than the included angle of the outer air deflector in the previous period. Therefore, under the condition that the air conditioner comprises the double air guide plates, the inner air guide plate is positioned inside the air outlet and surrounded by cold air, condensation cannot be generated, the outer air guide plate is positioned outside the air outlet, the temperatures of the inner side and the outer side of the outer air guide plate are different, and condensation is easy to generate. The first included angle and the humidity factor through the first upper limit position with outer aviation baffle and first zero degree position are correlated with each other, come to confirm first included angle according to the humidity factor in the current cycle, because the humidity factor obtains according to the 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, first included angle according to the humidity factor is confirmed can diminish, first included angle in the current cycle promptly can be less than the upper limit included angle of outer aviation baffle in the last cycle, thereby make the human body be difficult for being blown by the cold wind, no wind-sensitive function has been realized, when 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 view of an inner and outer air guiding plate according to an embodiment of the present invention;
FIG. 7 is a schematic representation of relative humidity as a function of time provided by an embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating a relationship between a first angle and a humidity factor according to an embodiment of the present invention;
fig. 9 is a schematic view of a lower envelope curve of the outlet air of the outer air guide plate at different positions according to the embodiment of the present invention;
fig. 10 is a schematic position view of an outer wind deflector and an inner wind deflector according to an embodiment of the present invention;
FIG. 11 is a schematic view of the position of an alternative outer air deflection plate and an alternative inner air deflection plate according to an embodiment of the present invention;
FIG. 12 is a schematic view of the position of an alternative outer air deflection plate and an alternative inner air deflection plate according to an embodiment of the present invention;
FIG. 13 is a schematic diagram of another air conditioner according to an embodiment of the present invention;
fig. 14 is a schematic composition 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 receiving a no-wind instruction of a user when the refrigeration mode or the dehumidification mode is operated.
When the air conditioner runs in a refrigeration mode or a dehumidification mode, a user can start the non-wind-sense or blowing-prevention function of the air conditioner through a wire controller, a remote controller, a control panel or intelligent application, and therefore the air conditioner can receive a non-wind-sense instruction of the user.
202. And after the operation for the preset time period, acquiring the humidity parameter in the current period.
After receiving the no-wind instruction, the air conditioner may first determine whether the operation time of the cooling mode or the dehumidifying mode reaches a preset time period. If not, the outer air deflector is rotated to the position of the maximum upper limit included angle (namely, a prestored third preset angle which is smaller than the lower limit included angle and is used for prompting the user that the no-wind-sensing function is started), and the inner air deflector is rotated to the corresponding position to avoid condensation. When the operation time reaches the preset time period, the performance of the air conditioner is stable, so that the included angle of the two air guide plates can be periodically adjusted, and if the operation time reaches the preset time period, the included angle of the two air guide plates can be directly and periodically adjusted, and a cycle is taken as an example for description. 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.
203. 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 ofTo preset the indoor temperature, T1 is the indoor temperature in the current cycle, T2 is the evaporating temperature in the current cycle, T2Base ofIs a preset evaporation temperature corresponding to the wind speed in the current period, KF is a preset frequency coefficient corresponding to the wind speed, and F isOperating frequency of the compressor in the current cycle, 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 positive correlation, the humidity factor is used to characterize the relative humidity in the embodiment of the present invention, so the larger the relative humidity is, the higher the humidity factor isThe larger the seed.
204. According to the humidity factor, a first included angle between a first upper limit position and a first zero degree position of the outer air deflector is determined, and a second included angle between a second upper limit position and a second zero degree position of the inner air deflector is determined.
As shown in fig. 6, the inner air guiding plate is located inside the air outlet and surrounded by cold air, no temperature difference exists between the inner side and the outer side of the inner air guiding plate, condensation cannot occur, the outer air guiding plate is located outside the air outlet, and temperature difference exists between the inner side and the outer side of the outer air guiding plate, so that condensation is easy to occur. 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 outer air guide plate when the relative humidity is higher can be set to be larger, and the upper limit included angle which can swing by the outer air guide plate 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. 7.
With reference to fig. 3 and 7, an upper limit included angle of the outer air guiding plate, that is, the first included angle, may be obtained to be positively correlated with the relative humidity of the indoor environment, that is, the humidity factor, as shown in fig. 8.
According to the relationship shown in fig. 8, the first included angle and the humidity factor can be associated in advance, the relationship between the first included angle and the humidity factor is prestored in the air conditioner, and the upper limit included angle, which can swing by the inner air deflector, i.e., the relationship between the second included angle and the humidity factor is prestored in the air conditioner by combining the assistance of the inner air deflector. Therefore, after the air conditioner determines the humidity factor in the current period, the air conditioner can determine a first included angle between a first upper limit position and a first zero-degree position, in which the outer air deflector can swing, according to the pre-stored relation, and determine a second included angle between a second upper limit position and a second zero-degree position, in which the inner air deflector can swing. The first zero-degree position is the position when the outer air guide plate is completely closed, and the second zero-degree position is the position when the inner air guide plate 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 prestored first preset angle is determined as a first included angle, the prestored second preset angle is determined as a second included angle, at the moment, the humidity factor is small, namely, the indoor relative humidity is small, the first preset angle is small, the outer air deflector is located at the first preset angle and cannot blow to the human body and cannot generate condensation, and the corresponding inner air deflector is located at the second preset angle and can be located at the position where the air output is maximum. If the humidity factor is larger than or equal to the second preset temperature, the prestored third preset angle is determined as the first included angle, the prestored fourth preset angle is determined as the second included angle, the humidity factor is larger at the moment, namely, the indoor relative humidity is larger, the third preset angle is larger than the first preset angle so as to avoid condensation, and the third preset angle is smaller than the lower limit included angle which can swing by the outer air deflector so as to distinguish the difference of starting the refrigeration mode and starting the non-wind-sense function. And because the third predetermines angle department and compares with first predetermined angle department, the people is blown to outer aviation baffle is changeed, consequently sets up the fourth predetermined angle and is less than the second predetermined angle, has raised the air-out height in certain procedure, though the air output reduces, but can reduce the cold wind that blows the human body. 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 third preset angle as a first included angle, and determining a second included angle according to the first included angle.
In one possible implementation, if the humidity factor is greater than the first preset temperature and less than the second preset temperatureThe temperature is preset, then the air conditioner can adopt the formula:
Figure BDA0002144933310000091
determining a first 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 first included angle also decreases; when the range of the humidity factor is between the first preset temperature and the second preset temperature, the first included angle obtained by using the formula is between the first preset angle and the third preset angle, and then the formula is also within the protection range of the embodiment of the invention. Correspondingly, the process that the air conditioner determines the second included angle according to the first included angle is as follows: if the first included angle is smaller than or equal to a fifth preset angle and larger than the first preset angle, determining a second preset angle as a second included angle; and if the first included angle is larger than the fifth preset angle and smaller than the third preset angle, determining the fourth preset angle as the second included angle. The first preset angle is larger than the fifth preset angle and smaller than the third preset angle and smaller than the lower limit included angle which can be swung by the outer air deflector; the upper limit included angle and the lower limit included angle of the inner air deflector are related to the specific box framework of the indoor unit.
It should be noted that fig. 9 is a schematic diagram of a lower envelope of the outlet air when the outer air guide plate is at different positions, where a first predetermined angle (where the outlet air is inclined upward along a tangential direction of an inner surface of the outer air guide plate, and the outlet air has a certain loss) corresponds to the lower envelope 1, and a lower limit angle (where the outlet air has a minimum loss and is least prone to generating condensation) corresponds to the lower envelope 2. As can be seen from fig. 9, the smaller the included angle between the outer air deflector and the first zero-degree position is, the higher the position of the lower envelope line is, the smaller the chance of blowing to the human body is at this time, and according to the test, the position corresponding to the first preset angle is obtained, and any position of the lower envelope line is higher than 1.8 meters, and cold air cannot blow to the human body.
205. If the first included angle is smaller than the included angle of the outer air deflector in the previous period, the outer air deflector is controlled to rotate to the first upper limit position in the current period, and the inner air deflector is controlled to rotate to the second upper limit position.
After the first included angle and the second included angle are determined, the air conditioner can compare the first included angle with the included angle of the external air deflectors in the previous period. And if the current period is the same as the preset period, controlling the positions of the outer air guide plate and the inner air guide plate to be unchanged in the current period, and acquiring the humidity parameter again after the preset period. If the first included angle is smaller than the included angle of the outer air deflector in the previous period, the air conditioner can control the outer air deflector to rotate to the first upper limit position in the current period, control the inner air deflector to rotate to the second upper limit position, and after the outer air deflector rotates to the first upper limit position for a preset time period, the first included angle and the second included angle are determined again until the first included angle is the first preset angle. Therefore, the included angle of the double air guide plates is dynamically adjusted by periodically acquiring the humidity parameter and determining the humidity factor until the upper limit included angle of the outer air guide plate is minimum, and the human body cannot be blown at the moment.
As an example, it is assumed that the first preset temperature T3 is 0 °, the first preset angle a1 is 20 °, the second preset angle is 95 °, the second preset temperature T4 is 3 °, the third preset angle A3 is 45 °, the fourth preset angle is 75 ° and the fifth preset angle is 30 °. Then, after receiving the no-wind instruction, assuming that the operation time of the cooling mode or the dehumidifying mode has reached the preset time period, and the determined humidity factor is 3 ℃, the outer air guide plate is rotated to the 45 ° position, and the inner air guide plate is rotated to the 75 ° position, as shown in fig. 10. After 10 minutes, assuming a determined humidity factor of 1 ℃, the first angle a is 20+ (45-20) × (1-0)/(3-0) ═ 28 °, which is less than 30 °, the second angle is determined to be 95 °, the outer air deflection plates are turned to the 28 ° position and the inner air deflection plates are turned to the 95 ° position, as shown in fig. 11. After 10 minutes, assuming a determined humidity factor of 0 ℃, the outer air deflection plate is turned to the 20 ° position, and the inner air deflection plate is kept at 95 ° as shown in fig. 12.
The control method of the air conditioner provided by the invention comprises the steps of receiving a no-wind-sense instruction of a user when the air conditioner runs in a refrigeration mode or a dehumidification mode, obtaining a humidity parameter in a current period after running for a preset time period, determining a corresponding humidity factor according to the humidity parameter, determining a first included angle between a first upper limit position and a first zero-degree position of an outer air deflector according to the humidity factor, determining a second included angle between a second upper limit position and a second zero-degree position of an inner air deflector, and controlling the outer air deflector to rotate to the first upper limit position and controlling the inner air deflector to rotate to the second upper limit position in the current period if the first included angle is smaller than the included angle of the outer air deflector in the previous period. Therefore, under the condition that the air conditioner comprises the double air guide plates, the inner air guide plate is positioned inside the air outlet and surrounded by cold air, condensation cannot be generated, the outer air guide plate is positioned outside the air outlet, the temperatures of the inner side and the outer side of the outer air guide plate are different, and condensation is easy to generate. The first included angle and the humidity factor through the first upper limit position with outer aviation baffle and first zero degree position are correlated with each other, come to confirm first included angle according to the humidity factor in the current cycle, because the humidity factor obtains according to the 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, first included angle according to the humidity factor is confirmed can diminish, first included angle in the current cycle promptly can be less than the upper limit included angle of outer aviation baffle in the last cycle, thereby make the human body be difficult for being blown by the cold wind, no wind-sensitive function has been realized, when 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 by corresponding functions, fig. 13 shows another possible composition diagram of the air conditioner related to the above embodiment, as shown in fig. 13, the air conditioner may include: a receiving unit 31, an obtaining unit 32, a determining unit 33 and a control unit 34.
Wherein, the receiving 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.
The obtaining unit 32 is configured to support the air conditioner to execute step 202 in the control method of the air conditioner shown in fig. 2.
And a determination unit 33 for supporting the air conditioner to execute the steps 203 and 204 in the control method of the air conditioner shown in fig. 2.
The control unit 34 is configured to support the air conditioner to execute step 205 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. 14 shows another possible composition diagram of the air conditioner according to the above embodiment. As shown in fig. 14, 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, step 205 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:
receiving a no-wind instruction of a user when a refrigeration mode or a dehumidification mode is operated;
after the operation is carried out for a preset time period, acquiring humidity parameters in the current period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, operation frequency of a compressor and air speed of an indoor fan;
determining a corresponding humidity factor according to the humidity parameter;
determining a first included angle between a first upper limit position and a first zero-degree position of the outer air deflector according to the humidity factor, and determining a second included angle between a second upper limit position and a second zero-degree position of the inner air deflector; the first zero-degree position is the position when the outer air deflector is closed, and the second zero-degree position is the position when the inner air deflector is closed;
if the first included angle is smaller than the included angle of the outer air deflector in the previous period, controlling the outer air deflector to rotate to the first upper limit position in the current period, and controlling the inner air deflector to rotate to the second upper limit position;
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 as claimed in claim 1, wherein the determining a first angle between a first upper limit position and a first zero degree position of the outer wind deflector and a second angle between a second upper limit position and a second zero degree position of the inner wind deflector 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 first included angle, and determining a pre-stored second preset angle as the second included angle;
if the humidity factor is greater than or equal to a second preset temperature, determining a prestored third preset angle as the first included angle, and determining a prestored fourth preset angle as the second included angle; the third preset angle is larger than the first preset angle, and the fourth preset angle is smaller than the second 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 third preset angle range as the first included angle, and determining the second included angle according to the first included angle.
3. The method of claim 2, wherein the determining any one of the first preset angle and the third preset angle range as the first 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 FDA0002790484400000021
determining the first included angle A; wherein, A1 is the first preset angle, A3 is the third preset angle, T4 is the second preset temperature, T3 is the first preset temperature, and T is the humidity factor.
4. The method of claim 3, wherein determining the second angle according to the first angle comprises:
if the first included angle is smaller than or equal to a fifth preset angle, determining the second preset angle as the second included angle; the fifth preset angle is greater than the first preset angle and smaller than the third preset angle;
and if the first included angle is larger than the fifth preset angle, determining the fourth preset angle as the second included angle.
5. An air conditioner, characterized in that the air conditioner comprises: the device comprises a receiving unit, an obtaining unit, a determining unit and a control unit;
the receiving unit is used for receiving a no-wind instruction of a user when the refrigeration mode or the dehumidification mode is operated;
the acquiring unit is used for acquiring humidity parameters in the current period after the operation of the unit is carried out for a preset time period, wherein the humidity parameters comprise indoor temperature, evaporation temperature, operation 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 a first included angle between a first upper limit position and a first zero-degree position of the outer air deflector according to the humidity factor, and determining a second included angle between a second upper limit position and a second zero-degree position of the inner air deflector; the first zero-degree position is the position when the outer air deflector is closed, and the second zero-degree position is the position when the inner air deflector is closed;
the control unit is used for controlling the outer air deflector to rotate to the first upper limit position and controlling the inner air deflector to rotate to the second upper limit position in the current period if the first included angle is smaller than the included angle of the outer air deflector in the previous period;
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 first included angle, and determining a pre-stored second preset angle as the second included angle;
if the humidity factor is greater than or equal to a second preset temperature, determining a prestored third preset angle as the first included angle, and determining a prestored fourth preset angle as the second included angle; the third preset angle is larger than the first preset angle, and the fourth preset angle is smaller than the second 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 third preset angle range as the first included angle, and determining the second included angle according to the first 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 FDA0002790484400000031
determining the first included angle A; wherein, A1 is the first preset angle, A3 is the third 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 7, wherein the determining unit is specifically configured to:
if the first included angle is smaller than or equal to a fifth preset angle, determining the second preset angle as the second included angle; the fifth preset angle is greater than the first preset angle and smaller than the third preset angle;
and if the first included angle is larger than the fifth preset angle, determining the fourth preset angle as the second included 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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