WO2019041541A1 - 用于空调自清洁的控制方法及装置、空调 - Google Patents

用于空调自清洁的控制方法及装置、空调 Download PDF

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Publication number
WO2019041541A1
WO2019041541A1 PCT/CN2017/109298 CN2017109298W WO2019041541A1 WO 2019041541 A1 WO2019041541 A1 WO 2019041541A1 CN 2017109298 W CN2017109298 W CN 2017109298W WO 2019041541 A1 WO2019041541 A1 WO 2019041541A1
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WIPO (PCT)
Prior art keywords
temperature
indoor
compressor
operating frequency
humidity
Prior art date
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PCT/CN2017/109298
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English (en)
French (fr)
Inventor
吴洪金
王飞
付裕
许文明
Original Assignee
海尔集团公司
青岛海尔空调器有限总公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from CN201710787980.8A external-priority patent/CN107525245B/zh
Priority claimed from CN201710787083.7A external-priority patent/CN107575994B/zh
Application filed by 海尔集团公司, 青岛海尔空调器有限总公司 filed Critical 海尔集团公司
Priority to EP17923844.9A priority Critical patent/EP3677852A4/en
Priority to JP2020511962A priority patent/JP7026209B2/ja
Publication of WO2019041541A1 publication Critical patent/WO2019041541A1/zh

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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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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
    • F24F11/65—Electronic processing for selecting an operating mode
    • F24F11/66—Sleep mode
    • 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
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • This paper relates to the field of air conditioning technology, and in particular relates to a control method and device for air conditioner self-cleaning, and an air conditioner.
  • the existing household air conditioners generate a large amount of condensed water during the cooling operation, and under the proper humidity and temperature conditions, a large amount of bacteria will be generated; and the bacteria will be delivered to the room along with the air supply, which will seriously affect User comfort and health. According to relevant research, bacteria are most likely to grow under high humidity or high temperature conditions.
  • the compressor operates at a high frequency, and the internal coil temperature is generally low (below the air dew point temperature).
  • the vapor is continuously condensed.
  • the humidity may be already low.
  • the air conditioner does not have a humidifying function.
  • the user may feel dry and uncomfortable; when the room temperature and the set temperature difference are small, Most of the air conditioners operate at low frequencies.
  • the internal coil temperature is generally higher (higher than the air dew point temperature), and the water vapor in the air will not be condensed, so that when the room temperature reaches the set temperature, the air humidity may be too large.
  • the user also feels uncomfortable. Therefore, the existing air conditioning control method often cannot balance the indoor temperature and humidity adjustment, and the indoor temperature and humidity cannot meet the requirements of the user's comfort and health.
  • the present invention provides a control method and device for air conditioner self-cleaning, and an air conditioner, which aims to solve the problem that the existing air conditioner cannot balance indoor temperature and humidity adjustment.
  • a method for controlling an air conditioner comprising: collecting an indoor temperature t and an indoor humidity RH in an air conditioning cooling mode; and when the indoor temperature t is greater than a first preset temperature t1 And controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the first control strategy; when the indoor temperature t is less than or equal to the first preset temperature t1, selecting corresponding according to the indoor humidity RH
  • the control strategy controls the operating frequency of the compressor and/or the rotational speed of the indoor fan; or, according to the second control strategy, controls the operating frequency of the compressor and the position of the air deflector.
  • the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2
  • the operating frequency of the compressor and the position of the air deflector are controlled according to the second control strategy; wherein the first preset temperature t1 is greater than the second preset temperature t2.
  • the corresponding control strategy is selected according to the indoor humidity RH to control the operating frequency of the compressor and/or the rotational speed of the indoor fan;
  • the first preset temperature t1 is greater than the second preset temperature t2.
  • the method further includes: adjusting the air deflector according to the working frequency of the compressor or the rotating speed of the indoor fan. s position.
  • the second preset temperature t2 is associated with a target temperature T, wherein the target temperature T is set by a user.
  • the first preset temperature t1 is associated with a target temperature T, wherein the target temperature T is set by a user.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • Q 1 ° C, 2 ° C or 3 ° C.
  • the first preset temperature t1 is greater than the second preset temperature t2, N is greater than or equal to M, and N and M are greater than Q.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • Q 1 ° C, 2 ° C or 3 ° C.
  • controlling the operating frequency of the compressor and the position of the air deflector according to the second control strategy including: adjusting the operating frequency F of the compressor to a set frequency f1, and adjusting the air deflector to the maximum Out of the wind position.
  • the controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the indoor humidity selection corresponding control strategy includes: when the indoor humidity RH is less than the first preset humidity Rh, Controlling the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the third control strategy; when the indoor humidity RH is greater than or equal to the first preset humidity Rh, working on the compressor according to the fourth control strategy The frequency and / or the speed of the indoor fan is controlled.
  • the first preset humidity Rh is 52%.
  • controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the third control strategy comprises: maintaining the operating frequency of the compressor and/or the rotating speed of the indoor fan; or using the dual temperature difference PID The mode controls the operating frequency of the compressor and/or the speed of the indoor fan.
  • the controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan by using the dual temperature difference PID method comprises: determining a temperature difference between the current temperature value and the set temperature value and a first determined first temperature difference The temperature deviation value of the value; determining the operating frequency F of the compressor according to the temperature deviation value and adjusting the operating frequency of the compressor accordingly; determining the rotation speed R of the indoor fan according to the operating frequency F of the compressor and adjusting the indoor fan accordingly Rotating speed.
  • the determining the operating frequency F of the compressor according to the temperature deviation value is calculated according to the following formula:
  • Dtn
  • , Ptn
  • the operating frequency F of the compressor when the calculated operating frequency F is greater than the set upper limit value, the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, The operating frequency F of the compressor is set to the lower limit value.
  • determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor includes: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the adjusting the position of the air deflector according to the operating frequency of the compressor or the rotating speed of the indoor fan comprises: adjusting the air guiding according to the rotating speed R of the indoor fan. Position of the board, when the speed R of the indoor fan is greater than the set speed value R', adjust the air deflector to be in the maximum air outlet position; when the speed R of the indoor fan is less than or equal to the set speed value R', adjust the guide The wind deflector is in the minimum air outlet position.
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the fourth control strategy includes: performing one or more corrections on the target temperature T to obtain the corrected temperature Tx; wherein the target temperature T is determined by the user. Setting; determining the operating frequency F of the compressor according to the corrected target temperature Tx and adjusting the operating frequency of the compressor accordingly; determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor and adjusting the rotational speed of the indoor fan accordingly .
  • Tx is After the secondary correction
  • Tx1 is the temperature after the previous correction
  • Dset is the correction value.
  • Dset is a fixed value, or Dset is a variable.
  • the correction value Dset is calculated according to the humidity difference Prh of the indoor humidity RH and the target humidity RHm and the indoor humidity change Drh each time the correction is performed.
  • the selection of RH_Kp is related to the system configuration and the ambient temperature.
  • the selection of RH_Ki is related to the system configuration and the ambient temperature.
  • the upper limit value is used as the correction value Dset; if the calculated correction value Dset is less than the set lower limit value, the lower limit is The value is used as the correction value Dset.
  • the method further includes: receiving a mode switching instruction, and switching from the current running mode to the first mode running.
  • the first mode is a predicted average voting number PMV mode.
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled only according to the first control strategy to control the indoor temperature.
  • the set value is 29 ° C or 30 ° C.
  • the rotational speed of the indoor fan is determined by the system according to the operating frequency of the compressor, and during the operation of the air conditioner, the user If the speed of the indoor fan is changed by itself, the air conditioner exits to control the operating frequency of the compressor and/or the speed of the indoor fan according to the fourth control strategy.
  • the control strategy when it is detected that the indoor temperature t changes or the humidity changes, and the control strategy needs to be adjusted, the current operating frequency of the compressor and the speed of the indoor fan are maintained for a first set time, and then the control strategy is switched.
  • the first set time ranges from 30S to 90S.
  • the first set time is 30S, 60S or 90S.
  • an apparatus for air conditioning control comprising a temperature sensor for collecting an indoor temperature t and a humidity sensor for collecting the indoor humidity RH, and a Microcontroller Unit (MCU)
  • the MCU includes: an adjusting unit, configured to operate the operating frequency of the compressor and/or the indoor fan according to the first control strategy when the indoor temperature t is greater than the first preset temperature t′ in the air conditioning cooling mode The rotational speed is controlled; when the indoor temperature t is less than or equal to the first preset temperature t', the operating frequency of the compressor and/or the rotational speed of the indoor fan are selected according to the indoor humidity according to the corresponding control strategy. Take control.
  • the first preset temperature t1 is associated with a target temperature T, wherein the target temperature T is set by a user.
  • control unit selects a corresponding control strategy according to the indoor humidity to control an operating frequency of the compressor and/or a rotational speed of the indoor fan, specifically, when the indoor humidity RH is smaller than the first
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to a third control strategy; when the indoor humidity RH is greater than or equal to the first preset humidity Rh, according to the fourth control The strategy controls the operating frequency of the compressor and/or the speed of the indoor fan.
  • control unit controls the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the third control strategy, specifically, the operating frequency of the compressor and/or the rotational speed of the indoor fan are maintained;
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled by a dual temperature difference PID method.
  • control unit controls the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the third control strategy, specifically, the operating frequency of the compressor and/or the rotational speed of the indoor fan are maintained;
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled by a dual temperature difference PID method.
  • the first preset humidity Rh is 52%.
  • the MCU further includes: a determining unit, configured to determine a temperature deviation value between the current temperature value and the set temperature value and the first determined first temperature difference value; according to the temperature deviation value Determining the operating frequency F of the compressor and adjusting the operating frequency of the compressor accordingly; determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor; the adjusting unit controls the operating frequency of the compressor by using the dual temperature difference PID method and/or Or the rotational speed of the indoor fan, specifically for adjusting the operating frequency of the compressor according to the operating frequency F of the compressor determined by the determining unit; the rotational speed R of the indoor fan determined according to the determining unit.
  • a determining unit configured to determine a temperature deviation value between the current temperature value and the set temperature value and the first determined first temperature difference value; according to the temperature deviation value Determining the operating frequency F of the compressor and adjusting the operating frequency of the compressor accordingly; determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor; the adjusting unit controls the operating frequency of
  • the determining unit is configured to calculate an operating frequency F of the compressor according to the following formula:
  • T′_Ki is the temperature deviation coefficient
  • T′_Kp is the temperature difference coefficient
  • C is the operating frequency value coefficient
  • Dtn is the temperature difference deviation value
  • Ptn is the temperature difference value
  • Tn is the current temperature value
  • Tm is the set temperature value.
  • the operating frequency F of the compressor when the calculated operating frequency F is greater than the set upper limit value, the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, The operating frequency F of the compressor is set to the lower limit value.
  • determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor includes: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the adjusting unit adjusts the position of the air deflector according to the operating frequency of the compressor or the rotating speed of the indoor fan, and is specifically used to adjust the air deflector when the rotating speed R of the indoor fan is greater than the set rotating value R′ At the maximum air outlet position; when the speed R of the indoor fan is less than or equal to the set speed value R', the air deflector is adjusted to be in the minimum air outlet position.
  • the MCU further includes: a calculating unit, configured to calculate a correction value of the target temperature T when the indoor temperature t is less than or equal to the first preset temperature t1, and the indoor humidity RH is greater than or equal to the first preset humidity Rh Obtaining the corrected temperature Tx, determining the operating frequency F of the compressor according to the corrected target temperature Tx, determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor, wherein the target temperature T is set by the user;
  • the adjusting unit is further configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the calculating unit, and adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the calculating unit.
  • Dset is a fixed value, or Dset is a variable.
  • the correction value Dset is calculated according to the humidity difference Prh of the indoor humidity RH and the target humidity RHm and the indoor humidity change Drh each time the correction is performed.
  • the selection of RH_Kp is related to the system configuration and the ambient temperature.
  • the selection of RH_Ki is related to the system configuration and the ambient temperature.
  • the upper limit value is used as the correction value Dset; if the calculated correction value Dset is less than the set lower limit value, the lower limit is The value is used as the correction value Dset.
  • the calculating unit is configured to calculate the operating frequency F of the compressor according to the temperature difference PT between the indoor temperature t and the corrected target temperature Tx, and the change DT of the indoor temperature.
  • T_Kp is related to the system configuration and the ambient temperature.
  • T_Ki is related to the system configuration and the ambient temperature.
  • the value of T_Kp ranges from 1 to 8, and the range of T_Ki ranges from 1 to 10.
  • the operating frequency F of the compressor when the calculated operating frequency F is greater than the set upper limit value, the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, The operating frequency F of the compressor is set to the lower limit value.
  • determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor includes: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • an apparatus for air conditioning control comprising a temperature sensor for collecting an indoor temperature t and a humidity sensor for collecting the indoor humidity RH, and a micro control unit MCU,
  • the MCU includes: an adjusting unit, configured to control the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the first control strategy when the indoor temperature t is greater than the first preset temperature t1 in the air conditioning cooling mode
  • an adjusting unit configured to control the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the first control strategy when the indoor temperature t is greater than the first preset temperature t1 in the air conditioning cooling mode
  • the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2
  • controlling the operating frequency of the compressor and the position of the air deflector according to the second control strategy When the indoor temperature t is less than or equal to the second preset temperature t2, the corresponding control strategy is selected according to the indoor humidity RH to control the operating frequency of the
  • the first preset temperature t1 and the second preset temperature t2 are associated with a target temperature T, wherein the target temperature T is set by a user.
  • the adjusting unit selects a corresponding control strategy according to the indoor humidity RH to control the operating frequency of the compressor and/or the rotating speed of the indoor fan, specifically, when the indoor temperature t is less than or equal to When the second preset temperature t2 is described, and the indoor humidity RH is less than the first preset humidity Rh, the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to a third control strategy; when the indoor temperature is When the second preset temperature t2 is less than or equal to, and the indoor humidity RH is greater than or equal to the first preset humidity Rh, the operating frequency of the compressor and/or the rotational speed of the indoor fan are performed according to the fourth control strategy. control.
  • the first preset humidity Rh is 52%.
  • control unit controls the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the third control strategy, specifically, the operating frequency of the compressor and/or the rotational speed of the indoor fan are maintained;
  • the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled by a dual temperature difference PID method.
  • the MCU further includes: a determining unit, configured to determine a temperature deviation value between the current temperature value and the set temperature value and the first determined first temperature difference value; according to the temperature deviation value Determining the operating frequency F of the compressor and adjusting the operating frequency of the compressor accordingly; determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor; the adjusting unit controls the operating frequency of the compressor by using the dual temperature difference PID method and/or Or the rotational speed of the indoor fan, specifically for adjusting the operating frequency of the compressor according to the operating frequency F of the compressor determined by the determining unit; the rotational speed R of the indoor fan determined according to the determining unit.
  • a determining unit configured to determine a temperature deviation value between the current temperature value and the set temperature value and the first determined first temperature difference value; according to the temperature deviation value Determining the operating frequency F of the compressor and adjusting the operating frequency of the compressor accordingly; determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor; the adjusting unit controls the operating frequency of
  • the determining unit is configured to calculate an operating frequency F of the compressor according to the following formula:
  • T′_Ki is the temperature deviation coefficient
  • T′_Kp is the temperature difference coefficient
  • C is the operating frequency value coefficient
  • Dtn is the temperature difference deviation value
  • Ptn is the temperature difference value
  • Tn is the current temperature value
  • Tm is the set temperature value.
  • the operating frequency F of the compressor when the calculated operating frequency F is greater than the set upper limit value, the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, The operating frequency F of the compressor is set to the lower limit value.
  • determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor includes: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the adjusting unit adjusts the position of the air deflector according to the operating frequency of the compressor or the rotating speed of the indoor fan, and is specifically used to adjust the air deflector when the rotating speed R of the indoor fan is greater than the set rotating value R′ At the maximum air outlet position; when the speed R of the indoor fan is less than or equal to the set speed value R', the air deflector is adjusted to be in the minimum air outlet position.
  • the MCU further includes: a calculating unit, configured to calculate a correction value of the target temperature T when the indoor temperature t is less than or equal to the first preset temperature t1, and the indoor humidity RH is greater than or equal to the first preset humidity Rh Obtaining the corrected temperature Tx, determining the operating frequency F of the compressor according to the corrected target temperature Tx, determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor, wherein the target temperature T is set by the user;
  • the adjusting unit is further configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the calculating unit, and adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the calculating unit.
  • Dset is a fixed value, or Dset is a variable.
  • the correction value Dset is calculated according to the humidity difference Prh of the indoor humidity RH and the target humidity RHm and the indoor humidity change Drh each time the correction is performed.
  • the selection of RH_Kp is related to the system configuration and the ambient temperature.
  • the selection of RH_Ki is related to the system configuration and the ambient temperature.
  • the upper limit value is used as the correction value Dset; if the calculated correction value Dset is less than the set lower limit value, the lower limit is The value is used as the correction value Dset.
  • the calculating unit is configured to calculate the operating frequency F of the compressor according to the temperature difference PT between the indoor temperature t and the corrected target temperature Tx, and the change DT of the indoor temperature.
  • T_Kp is related to the system configuration and the ambient temperature.
  • T_Ki is related to the system configuration and the ambient temperature.
  • the value of T_Kp ranges from 1 to 8, and the range of T_Ki ranges from 1 to 10.
  • the operating frequency F of the compressor when the calculated operating frequency F is greater than the set upper limit value, the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, The operating frequency F of the compressor is set to the lower limit value.
  • determining the rotational speed R of the indoor fan according to the operating frequency F of the compressor includes: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the adjusting unit is further configured to: when the indoor temperature t is less than or equal to the second preset temperature t2 and greater than the third preset temperature t3, if the rotational speed R of the indoor fan is greater than the set rotational speed value R ', adjust the air deflector at the maximum air outlet position; if the indoor fan speed R is less than or equal to the set speed value R', adjust the air deflector to the minimum air outlet position; when the indoor temperature t is less than or equal to the third pre- When the temperature t3 is set, the indoor fan is adjusted to operate at the maximum speed, and the air deflector is adjusted to be in the minimum air outlet position.
  • the MCU further includes: a receiving unit, configured to receive a mode switching instruction; and a switching unit, configured to switch from the current operating mode to the first mode according to the mode switching instruction received by the receiving unit.
  • the first mode is a PMV mode.
  • the adjusting unit is configured to control the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the first control strategy when the indoor temperature T set by the user is a set value, to Temperature is controlled.
  • the set value is 29 ° C or 30 ° C.
  • the rotational speed of the indoor fan is determined by the system according to the working frequency of the compressor, and if the air conditioner is running, the user changes it by itself.
  • the rotation speed of the indoor fan is controlled by the air conditioner to control the operating frequency of the compressor and/or the speed of the indoor fan according to the fourth control strategy.
  • the adjusting unit is configured to maintain a current operating frequency of the compressor and an operating speed of the indoor fan when the indoor temperature t changes or the humidity changes, and the control strategy needs to be adjusted. Switch the control strategy after the time.
  • the first set time ranges from 30S to 90S.
  • the first set time is 30S, 60S or 90S.
  • an air conditioner comprising a compressor and an indoor fan, and further comprising any of the aforementioned means for air conditioning control.
  • a control method for self-cleaning of an air conditioner comprising: collecting an indoor temperature t and an indoor humidity RH in an air conditioning cooling mode; and when the indoor temperature t is greater than a first preset At a temperature t1, the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to a first control strategy; when the indoor temperature t is less than or equal to the first preset temperature t1, according to the indoor humidity RH
  • the corresponding control strategy is selected to control the operating frequency of the compressor and/or the rotational speed of the indoor fan; or, according to the second control strategy, the operating frequency of the compressor and the position of the air deflector are controlled.
  • the real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, taking into account the indoor temperature and humidity adjustment, and then the operating frequency of the compressor. Adjust one or more of the speed of the indoor fan or the position of the air deflector so that the indoor temperature and humidity can meet the user's comfort requirements, and avoid the influence of fluctuations of other environmental parameters caused by adjusting the single indoor environmental parameters. .
  • FIG. 1 is a flow chart showing a method for controlling an air conditioner according to an exemplary embodiment
  • FIG. 2 is a schematic flow chart of a method for controlling an air conditioner according to an exemplary embodiment
  • FIG. 3 is a schematic flow chart of a method for controlling an air conditioner according to an exemplary embodiment
  • FIG. 4 is a schematic flow chart of a method for controlling an air conditioner according to an exemplary embodiment
  • FIG. 5 is a schematic flow chart of a method for controlling an air conditioner according to an exemplary embodiment
  • FIG. 6 is a structural block diagram of an apparatus for controlling an air conditioner, according to an exemplary embodiment
  • FIG. 7 is a structural block diagram of an apparatus for controlling an air conditioner, according to an exemplary embodiment
  • FIG. 8 is a structural block diagram of an apparatus for controlling an air conditioner, according to an exemplary embodiment.
  • relational terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not require or imply any actual relationship between the entities or operations or order.
  • the terms “comprises” or “comprising” or “comprising” or any other variations are intended to encompass a non-exclusive inclusion, such that a process, method, or device that includes a plurality of elements includes not only those elements but also other items not specifically listed. Elements, or elements that are inherent to such a process, method, or device. An element that is defined by the phrase “comprising a " does not exclude the presence of additional equivalent elements in the process, method, or device that comprises the element.
  • Air conditioning is a common electrical appliance in daily life. It can adjust the temperature of the room, and it can heat up or cool down, so that the indoor temperature matches the preset temperature of the user.
  • the humidity of the indoor environment is often changed. For example, when the indoor temperature is lowered by increasing the amount of refrigerant, the surface temperature of the indoor heat exchanger may decrease, which may cause the flow through the indoor heat exchanger. The amount of water vapor that is condensed in the air increases, which causes the humidity in the indoor environment to drop, and the user often feels dry and uncomfortable.
  • the existing air conditioning control method that adjusts only a single parameter such as temperature or humidity cannot satisfy the user's comfort requirement.
  • the position of the air-conditioning deflector includes: a maximum air outlet position and a minimum air outlet position, wherein the maximum air outlet position, that is, the air deflector is at an intermediate position, and the air deflector has the least resistance to the air outlet.
  • the minimum air outlet position is the position where the wind deflector swings to the maximum resistance to the air outlet, including the maximum angle at which the air deflector can swing. At this time, the air outlet blows downward under the action of the air deflector, or Before the air outlet is completely covered, the air outlet is blown up by the air deflector.
  • the minimum air outlet position that is, the air outlet
  • the air deflector It is ensured that the air blown by the air conditioner does not directly blow to the human body during the adjustment process, and at the same time speeds up the mixing speed of the upper air and the lower air, and speeds up the adjustment process so that the temperature of the air contacted by the user is appropriate.
  • a method for controlling an air conditioner includes: collecting an indoor temperature t and an indoor humidity RH in an air conditioning cooling mode;
  • the compressor When the indoor temperature t is greater than the first preset temperature t1, the compressor is operated according to the first control strategy Frequency and / or the speed of the indoor fan is controlled;
  • the indoor temperature t is less than or equal to the first preset temperature t1
  • the real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, taking into account the indoor temperature and humidity adjustment, and then the operating frequency of the compressor. Adjust one or more of the speed of the indoor fan or the position of the air deflector so that the indoor temperature and humidity can meet the user's comfort requirements, and avoid the influence of fluctuations of other environmental parameters caused by adjusting the single indoor environmental parameters. .
  • FIG. 1 is a flow chart showing a method for controlling an air conditioner, according to an exemplary embodiment. As shown in Figure 1, it includes:
  • step S101 in the air conditioning and cooling mode, the indoor temperature t and the indoor humidity RH are collected.
  • the air conditioning operation mode can be adjusted through an air conditioner remote controller, a control panel on the air conditioner indoor unit, or a mobile terminal having a remote control function for the air conditioner, for example, by pressing a cooling mode button on the remote controller to control the air conditioning operation cooling mode.
  • the air conditioner is generally installed in an indoor space such as a living room, a bedroom, and a conference room. Therefore, the current temperature value and the humidity value of the indoor space such as a living room, a bedroom, or a conference room installed in the air conditioner are obtained in step S101.
  • the real-time indoor temperature t and indoor humidity RH obtained in this process.
  • the air conditioner is provided with a temperature sensor for detecting the current temperature value of the indoor environment.
  • the sensing end of the temperature sensor can be disposed on the air inlet of the air conditioner or the outer wall of the casing, so that the current temperature value detected by the temperature sensor can be the same as or similar to the actual temperature of the indoor environment, thereby improving the air conditioning of the present embodiment according to the current indoor temperature temperature value.
  • the accuracy of the compressor operating frequency and the speed adjustment of the indoor fan can be used to be the current temperature value of the indoor environment.
  • the air conditioner is provided with a humidity sensor for detecting the current humidity value of the indoor environment, that is, the real-time indoor humidity RH obtained in the current process.
  • the sensing end of the humidity sensor can be disposed on the air inlet of the air conditioner or the outer wall of the casing so that the current humidity value detected by the humidity sensor can be the same as or similar to the actual humidity of the indoor environment, thereby improving the air conditioning of the present embodiment according to the current indoor humidity value.
  • Step S102 when the indoor temperature t is greater than the first preset temperature t1, the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the first control strategy.
  • Step S103 when the indoor temperature t is less than or equal to the first preset temperature t1, select a corresponding control strategy according to the indoor humidity to control the operating frequency of the compressor and/or the rotational speed of the indoor fan.
  • the air conditioning system is preliminarily provided with a first preset temperature t1 as a judgment condition for controlling the operating frequency of the compressor and the rotational speed of the indoor fan.
  • a first preset temperature t1 as a judgment condition for controlling the operating frequency of the compressor and the rotational speed of the indoor fan.
  • the indoor temperature t When the indoor temperature t is less than or equal to the first preset temperature t1, the indoor temperature t satisfies the user's cooling demand, and the indoor environment humidity needs to be adjusted to improve the user's comfort, according to the collected indoor Humidity RH selects the corresponding control strategy to control the operating frequency of the compressor or the speed of the indoor fan unilaterally, or to adjust the operating frequency of the compressor or the speed of the indoor fan to speed up the adjustment of humidity.
  • the cooling mode real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, and the indoor temperature and humidity are adjusted.
  • the operating frequency of the compressor and the speed of the indoor fan are adjusted so that the indoor temperature and humidity can meet the requirements of user comfort, and the influence of fluctuations of other environmental parameters caused by adjusting single indoor environmental parameters can be avoided.
  • the first preset temperature t1 is associated with the target temperature T, wherein the target temperature T is set by the user.
  • the user can set the target temperature T through the air conditioner remote control, the control panel on the air conditioner indoor unit, or the mobile terminal having the remote control function for the air conditioner.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • FIG. 2 is a flow chart showing a method for controlling an air conditioner, according to an exemplary embodiment. As shown in Figure 2, it includes:
  • step S201 in the air conditioning and cooling mode, the indoor temperature t and the indoor humidity RH are collected.
  • step S202 is performed, when the indoor temperature t is less than or equal to the first preset temperature t1, that is, T ⁇ t1, if the indoor humidity RH is less than the first pre-
  • step S203 is performed; if the indoor humidity RH is greater than or equal to the first preset humidity Rh, that is, RH ⁇ Rh, step S204 is performed.
  • step S202 the indoor temperature t is greater than the first preset temperature t1, the temperature deviation is large, and the temperature needs to be lowered, and the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the first control strategy to achieve temperature reduction.
  • step S203 the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the third control strategy.
  • step S204 the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the fourth control strategy.
  • step S203 the operating frequency of the compressor is maintained constant.
  • step S203 the rotation speed of the indoor fan is kept unchanged
  • step S203 the operating frequency of the compressor and the rotational speed of the indoor fan are maintained.
  • step S203 the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled by the dual temperature difference PID mode to ensure that the indoor relative humidity is increased while the indoor air is comfortable.
  • the indoor temperature t is less than or equal to the first preset temperature t1, and the indoor humidity RH is greater than or equal to the first preset humidity Rh, and the indoor environment needs to be dehumidified according to the fourth control strategy.
  • Controlling the operating frequency of the compressor and/or the rotational speed of the indoor fan including: performing one or more corrections on the target temperature T to obtain a corrected temperature Tx; wherein the target temperature T is set by the user;
  • the corrected target temperature Tx determines the operating frequency F of the compressor and adjusts the operating frequency of the compressor accordingly; determines the rotational speed R of the indoor fan according to the operating frequency F of the compressor and adjusts the rotational speed of the indoor fan accordingly.
  • the method further comprises: adjusting the position of the wind deflector according to the operating frequency of the compressor or the rotational speed of the indoor fan.
  • FIG. 3 is a flow chart showing a method for controlling an air conditioner, according to an exemplary embodiment. In the present embodiment, only the steps different from the foregoing embodiment will be described. As shown in Figure 3, it includes:
  • step S301 in the air conditioning and cooling mode, the indoor temperature t and the indoor humidity RH are collected.
  • Step S302 when the indoor temperature t is greater than the first preset temperature t1, the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the first control strategy.
  • Step S303 when the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2, the operating frequency of the compressor and the position of the air deflector are controlled according to the second control strategy.
  • Step S304 when the indoor temperature t is less than or equal to the second preset temperature t2, select a corresponding control strategy according to the indoor humidity RH to control the operating frequency of the compressor and/or the rotational speed of the indoor fan, and Adjust the position of the air deflector according to the operating frequency of the compressor or the speed of the indoor fan.
  • the air conditioning system is pre-set with a first preset temperature t1 as a judgment condition for controlling the operating frequency of the compressor, the rotational speed of the indoor fan, and the position of the wind deflector.
  • a first preset temperature t1 as a judgment condition for controlling the operating frequency of the compressor, the rotational speed of the indoor fan, and the position of the wind deflector.
  • the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2
  • the indoor temperature t is close to the set temperature, and the indoor temperature t satisfies the cooling demand of the user, and according to the second control
  • the strategy controls the operating frequency of the compressor and the position of the air deflector to reduce air conditioning energy consumption and save energy.
  • the corresponding control strategy is selected according to the collected indoor humidity RH to control the working frequency of the compressor or the rotational speed of the indoor fan, and the air deflector
  • the position is adjusted, or the operating frequency of the compressor, the speed of the indoor fan and the position of the air deflector are adjusted at the same time to adjust the temperature and humidity of the indoor environment to improve user comfort.
  • the cooling mode real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, and the indoor temperature and humidity are adjusted.
  • the operating frequency of the compressor, the speed of the indoor fan and the position of the air deflector are adjusted so that the indoor temperature and humidity can meet the requirements of user comfort, and the influence of fluctuations of other environmental parameters caused by adjusting a single indoor environmental parameter is avoided.
  • the first preset temperature t1 and the second preset temperature t2 are associated with a target temperature T, wherein the target temperature T is set by a user.
  • the user can set the target temperature T through the air conditioner remote control, the control panel on the air conditioner indoor unit, or the mobile terminal having the remote control function for the air conditioner.
  • the first preset temperature t1 is greater than the second preset temperature t2, N is greater than or equal to M, and N and M are greater than Q.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • Q 1 ° C, 2 ° C or 3 ° C.
  • FIG. 4 is a flow chart showing a method for controlling an air conditioner, according to an exemplary embodiment. As shown in Figure 4, it includes:
  • step S401 in the air conditioning and cooling mode, the indoor temperature t and the indoor humidity RH are collected.
  • step S402 is performed; when the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2, that is, t2 ⁇ t ⁇
  • step S403 is performed; when the indoor temperature t is less than or equal to the second preset temperature t2, that is, t ⁇ t2, if the indoor humidity RH is less than the first preset humidity Rh, that is, RH ⁇ Rh, step S404 is performed; If the indoor humidity RH is greater than or equal to the first preset humidity Rh, that is, RH ⁇ Rh, step S405 is performed.
  • step S402 the indoor temperature t is greater than the first preset temperature t1, the temperature deviation is large, and temperature reduction is required, and the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled according to the first control strategy to achieve temperature reduction.
  • step S403 the indoor temperature t is less than or equal to the first preset temperature t1, and is greater than the second preset temperature t2. At this time, the indoor temperature is close to the user set temperature, and the operating frequency and the guide of the compressor are controlled according to the second control strategy. The position of the wind plate is controlled to reduce the energy consumption of the air conditioner and save energy.
  • step S404 the operating frequency of the compressor and/or the rotational speed of the indoor fan and the position of the air deflector are controlled according to the third control strategy, and the position of the air deflector is adjusted according to the operating frequency of the compressor or the rotational speed of the indoor fan. .
  • step S405 the operating frequency of the compressor and/or the rotational speed of the indoor fan and the position of the air deflector are controlled according to the fourth control strategy to control the temperature and humidity, and according to the working frequency of the compressor or the indoor fan The speed adjusts the position of the air deflector.
  • step S403 controlling the operating frequency of the compressor and the position of the air deflector according to the second control strategy, including: adjusting the operating frequency F of the compressor to a set frequency f1, The wind deflector is adjusted to the maximum air outlet position.
  • step S404 the operating frequency of the compressor and/or the rotational speed of the indoor fan are controlled by the dual temperature difference PID mode to ensure that the indoor relative humidity is raised while the indoor air is comfortable.
  • step S405 the indoor temperature t is less than or equal to the first preset temperature t1, and the indoor humidity RH is greater than or equal to the first preset humidity Rh, and the indoor environment needs to be dehumidified according to the fourth control strategy.
  • Controlling the operating frequency of the compressor and/or the rotational speed of the indoor fan including: performing one or more corrections on the target temperature T to obtain a corrected temperature Tx; wherein the target temperature T is set by the user;
  • the subsequent target temperature Tx determines the operating frequency F of the compressor and adjusts the operating frequency of the compressor accordingly; determines the rotational speed R of the indoor fan based on the operating frequency F of the compressor and adjusts the rotational speed of the indoor fan accordingly.
  • the first preset humidity Rh is 52%
  • the gold humidity value is 52% after being counted by big data
  • the human body comfort is optimal under the humidity value. At the same time, it can also inhibit the growth of bacteria and mold in the environment.
  • FIG. 5 is a flow chart showing a method for controlling an air conditioner, according to an exemplary embodiment.
  • Step S406 controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the fourth control strategy.
  • the indoor temperature t is greater than the third preset temperature t3, that is, t3 ⁇ t ⁇ t2, if the indoor fan speed R If the speed value R of the indoor fan is greater than the set speed value R', the air deflector is at the maximum air outlet position; if the indoor temperature t is less than or equal to the set speed value R', the air deflector is adjusted to be at the minimum air outlet position.
  • the indoor fan is adjusted to run at the maximum speed, and adjust the air deflector to be in the minimum air outlet position.
  • the indoor temperature is too low, the upper air temperature is high, and the bottom air is the human body.
  • the air temperature of the contact is low, the indoor fan is adjusted to operate at the maximum speed, and the air deflector is at the minimum air outlet position, which accelerates the mixing speed of the upper air and the lower air, so that the temperature of the air contacted by the user is appropriate.
  • the method before controlling the operating frequency of the compressor, the rotational speed of the indoor fan, or the position of the air deflector according to the indoor temperature t and the indoor humidity RH, the method further includes: receiving a mode switching instruction, and operating from the current Mode switching enters the first mode of operation.
  • the mode switching instruction is issued by an air conditioner remote controller, a control panel on the air conditioner indoor unit, or a mobile terminal having a remote control function for the air conditioner, and the first mode is the PMV mode.
  • the PMV mode is a human body comfort intelligent control mode. After the user presses the PMV mode button on the air conditioner remote control, the control panel on the air conditioner indoor unit or the mobile terminal with the remote control function for the air conditioner, the air conditioner will switch to the PMV mode after receiving the PMV mode command. , collect indoor temperature, indoor humidity, wind speed, heat radiation, clothing quantity, activity amount and other parameters.
  • PMV is the thermal comfort index value of the human body, which can be characterized as a function of six parameters of indoor air temperature Ta, average radiation temperature Tr, indoor air flow rate Va, indoor air humidity ⁇ a, human metabolic rate M, and clothing thermal resistance CLO.
  • controlling the operating frequency of the compressor and/or the rotating speed of the indoor fan by using the dual temperature difference PID method specifically includes the following steps: determining a temperature difference between the current temperature value and the set temperature value and determining the last time a temperature deviation value of the first temperature difference; determining an operating frequency F of the compressor according to the temperature deviation value and adjusting an operating frequency of the compressor accordingly; determining a rotation speed R of the indoor fan according to the operating frequency F of the compressor and correspondingly Adjust the speed of the indoor fan.
  • determining the operating frequency F of the compressor according to the temperature deviation value is calculated according to the following formula (1):
  • T′_Ki is the temperature deviation coefficient
  • T′_Kp is the temperature difference coefficient
  • C is the operating frequency value coefficient
  • Dtn is the temperature difference deviation value
  • Ptn is the temperature difference value
  • Tn is the current temperature value
  • Tm is the set temperature value.
  • the operating frequency F of the compressor is provided with an upper limit and a lower limit to ensure the operating efficiency of the air conditioner and the service life of the compressor.
  • the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, the compressor is operated The frequency F is set to the lower limit value.
  • the operating frequency F of the compressor ranges from (36 Hz, 65 Hz).
  • the calculated operating frequency F is greater than the upper limit of 65 Hz, and the operating frequency F of the compressor is set to the upper limit of 65 Hz.
  • the rotation speed R of the indoor fan is determined according to the operating frequency F of the compressor, including: the higher the frequency of the compressor, the higher the rotation speed R of the indoor fan.
  • the coil temperature is high, the sensible heat ratio is high, and the dehumidification amount is small.
  • the coil temperature is low, the latent heat ratio is high, and the dehumidification amount is large.
  • the rotation speed of the indoor fan corresponding to different working frequency segments of the compressor is different, the rotation speed of the indoor fan corresponding to the low frequency section is low, and the rotation speed of the indoor fan corresponding to the high frequency section is high, because the wind speed is lower at a certain frequency, the dehumidification amount The larger, but the wind speed is too low in the high frequency range will cause the indoor unit coil to freeze.
  • adjusting the position of the air deflector according to the rotational speed R of the indoor fan includes: adjusting the air deflector at a maximum air outlet position when the rotational speed R of the indoor wind turbine is greater than the set rotational speed value R′; When the rotation speed R is less than or equal to the set rotation speed value R', the air deflector is adjusted to be in the minimum air outlet position.
  • the speed R of the indoor fan is greater than the set speed value R' is high speed.
  • the air deflector is adjusted to be at the maximum air outlet position, and when the speed R of the indoor fan is less than or equal to the set speed value R' is a low speed, the wind guide is adjusted.
  • the board is in the minimum air outlet position.
  • R' is 800r/min. When the wind speed is 850r/min, adjust the air deflector to the maximum air outlet position; when the wind speed is 750r/min, adjust the air deflector to the minimum air outlet position.
  • adjusting the position of the air deflector according to the operating frequency F of the compressor includes: adjusting the air deflector at a maximum air outlet position when the operating frequency F of the compressor is greater than the set speed value F′; When the working frequency F of the machine is less than or equal to the set speed value F', the air deflector is adjusted to be in the minimum air blowing position.
  • the working frequency F of the compressor is greater than the set speed value F' is a high frequency.
  • the air deflector is adjusted to be at the maximum air outlet position, and when the operating frequency F of the compressor is less than or equal to the set speed value F' is a low frequency, Adjust the air deflector to the minimum air outlet position.
  • F' is 50Hz. When the wind speed is 60Hz, adjust the air deflector to the maximum air outlet position; when the wind speed is 40Hz, adjust the air deflector to the minimum air outlet position.
  • Tx is the corrected temperature
  • Tx1 is the temperature after the previous correction
  • Dset is the correction value.
  • Dset is a fixed value, or Dset is a variable.
  • the correction value Dset is calculated according to the humidity difference Prh of the indoor humidity RH and the target humidity RHm, and the indoor humidity change Drh each time the correction is performed, and the Dset is calculated according to the following formula (3):
  • RH_Ki is related to the system configuration and the ambient temperature.
  • the selection of RH_Kp is related to the system configuration and the ambient temperature. For example, the higher the ambient temperature, the larger the value of RH_Ki or RH_Kp.
  • the ambient temperature is high, and the greater the need to adjust the parameters to achieve the target temperature or humidity, the greater the weighting coefficient.
  • the ambient temperature includes the indoor ambient temperature or the outdoor ambient temperature.
  • the selection of RH_Ki and RH_Kp and the throttling device are capillary or expansion valves, the displacement performance of the compressor or the size of the condenser and evaporator.
  • the correction value Dset is provided with an upper limit and a lower limit, and if the calculated correction value Dset is greater than the set upper limit value, the upper limit value is used as the correction value Dset; When the calculated correction value Dset is smaller than the set lower limit value, the lower limit value is used as the correction value Dset.
  • the upper limit value is 0.2 and the lower limit value is -0.2; when the calculated correction value Dset is 0.3, the upper limit value 0.2 is taken as the correction value Dset, and when the calculated correction value Dset is -0.4, the removal is performed.
  • the limit value -0.2 is used as the correction value Dset.
  • determining the operating frequency F of the compressor according to the corrected target temperature Tx includes: calculating a temperature difference PT between the indoor temperature t and the corrected target temperature Tx, and calculating a change DT of the indoor temperature
  • the operating frequency F of the compressor is calculated according to the following formula (4):
  • T_Ki and T_Kp and the throttling device are capillary or expansion valves, the displacement performance of the compressor or the size of the condenser and evaporator.
  • T_Ki ranges from 1 to 10
  • T_Kp ranges from 1 to 8.
  • T_Ki 3, 4, 5, 6 or 7
  • T_Kp 3, 4, 5, 6 or 7.
  • the operating frequency F of the compressor is provided with an upper limit and a lower limit to ensure the operating efficiency of the air conditioner and the service life of the compressor.
  • the operating frequency F of the compressor is set to the upper limit value; when the calculated operating frequency F is less than the set lower limit value, the compressor is operated The frequency F is set to the lower limit value.
  • the rotational speed R of the indoor fan is determined according to the operating frequency F of the compressor, including: the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the user-set indoor temperature T is 29° C. or 30° C., and only the operating frequency of the compressor is determined according to the first control strategy and/or Or the speed of the indoor fan is controlled to control the indoor temperature.
  • the air conditioning operation mode when the air conditioning operation mode is switched into the PMV mode operation, in the cooling mode, when the operating frequency of the compressor and/or the rotation speed of the indoor fan and the position of the air deflector are controlled according to the fourth control strategy,
  • the speed of the indoor fan is determined by the system according to the operating frequency of the compressor. If the user changes the speed of the indoor fan during the operation of the air conditioner, the air conditioner exits the operating frequency of the compressor and/or the speed of the indoor fan according to the fourth control strategy.
  • the position of the air deflector is controlled, and the user changes the rotation speed of the indoor fan according to the needs of the user when the speed of the air conditioner indoor fan does not meet his own needs, and the air conditioner exits the working frequency and/or indoor of the compressor according to the fourth control strategy.
  • the speed of the fan and the position of the air deflector are controlled to meet the needs of the user.
  • the control strategy when it is detected that the indoor temperature t changes and the humidity changes, and the control strategy needs to be adjusted, the current operating frequency of the compressor and the speed of the indoor fan are maintained for the first set time, and then the control is switched. Strategy.
  • the first set time ranges from 30S to 90S.
  • the first set time is 30S, 60S or 90S.
  • FIG. 6 is a structural block diagram of an apparatus for controlling an air conditioner, according to an exemplary embodiment. As shown in FIG. 6, the system includes a temperature sensor 601, a humidity sensor 602, and an MCU 603. The MCU 603 includes an adjustment unit 6031.
  • the temperature sensor 601 is configured to collect the indoor temperature t.
  • the humidity sensor 602 is configured to collect the indoor humidity RH.
  • the sensing end of the temperature sensor is disposed on the air inlet of the air conditioner or the outer wall of the casing
  • the sensing end of the humidity sensor is disposed on the air inlet of the air conditioner or the outer wall of the casing.
  • the adjusting unit 6031 is configured to, when the indoor temperature t is greater than the first preset temperature t1, in the air conditioning and cooling mode, control the operating frequency of the compressor and/or the rotational speed of the indoor fan according to the first control strategy; When the indoor temperature t is less than or equal to the first preset temperature t1, the corresponding control strategy is selected according to the indoor humidity RH to control the operating frequency of the compressor and/or the rotational speed of the indoor fan; or, according to the second control The strategy controls the operating frequency of the compressor and the position of the deflector.
  • the cooling mode real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, and the indoor temperature and humidity are adjusted. Adjust one or more of the operating frequency of the compressor, the speed of the indoor fan or the position of the air deflector so that the indoor temperature and humidity can meet the user's comfort requirements and avoid the adjustment of the single indoor environmental parameters. The impact of fluctuations in other environmental parameters.
  • the first preset temperature t' is associated with a target temperature T, wherein the target temperature T is set by a user.
  • the user can set the target temperature T through the air conditioner remote control, the control panel on the air conditioner indoor unit, or the mobile terminal having the remote control function for the air conditioner.
  • the adjusting unit 6031 is configured to, in the air conditioning and cooling mode, when the indoor temperature t is greater than the first preset temperature t1, according to the first control strategy, the working frequency of the compressor and/or the indoor fan Controlling the rotational speed; when the indoor temperature t is less than or equal to the first preset temperature t1, selecting a corresponding control strategy according to the indoor humidity to control the operating frequency of the compressor and/or the rotational speed of the indoor fan .
  • the cooling mode real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, taking into account the indoor temperature and Humidity adjustment, in turn, adjusts the operating frequency of the compressor and the speed of the indoor fan, so that the indoor temperature and humidity can meet the user's comfort requirements, and avoid the influence of fluctuations of other environmental parameters caused by adjusting the single indoor environmental parameters.
  • the first preset temperature t1 is associated with the target temperature T, wherein the target temperature T is set by the user.
  • the user can set the target temperature T through the air conditioner remote control, the control panel on the air conditioner indoor unit, or the mobile terminal having the remote control function for the air conditioner.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • the adjusting unit 6031 is configured to: when the indoor temperature t is less than or equal to the first preset temperature t1, if the indoor humidity RH is less than the first preset humidity Rh, that is, RH ⁇ Rh, according to The third control strategy controls the operating frequency of the compressor and/or the rotational speed of the indoor fan; if the indoor humidity RH is greater than or equal to the first preset humidity Rh, ie, RH ⁇ Rh, the compressor operates according to the fourth control strategy. The frequency and / or the speed of the indoor fan is controlled.
  • the adjusting unit 6031 is configured to keep the operating frequency of the compressor unchanged when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh. .
  • the adjusting unit 6031 is configured to keep the rotation speed of the indoor fan unchanged when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh.
  • the adjusting unit 6031 is configured to maintain the working frequency and indoor of the compressor when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh The speed of the fan does not change.
  • the adjusting unit 6031 is configured to control the compressor by using a dual temperature difference PID mode when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh.
  • the operating frequency and / or the speed of the indoor fan to ensure that the indoor air is comfortable and can increase the relative humidity of the room.
  • the MCU further includes: a determining unit (not shown) for determining a temperature deviation between the temperature difference between the current temperature value and the set temperature value and the first determined first temperature difference value And determining an operating frequency F of the compressor according to the temperature deviation value; determining a rotation speed R of the indoor fan according to the operating frequency F of the compressor.
  • the adjusting unit 6031 is further configured to adjust the position of the wind deflector according to the operating frequency of the compressor or the rotational speed of the indoor fan.
  • the adjusting unit 6031 is configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the determining unit; adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the determining unit; The position of the wind deflector adjusts the wind deflector.
  • the determining unit is configured to calculate the operating frequency F of the compressor according to formula (1).
  • the rotational speed R of the indoor fan is determined according to the operating frequency F of the compressor, and the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the rotational speed R of the indoor fan is determined according to Table 1. In other embodiments, the rotational speed R of the indoor fan is calculated by calculation, specifically, according to formula (2).
  • the adjusting unit 6031 is configured to control the operating frequency of the compressor and/or the rotating speed of the indoor fan according to the first control strategy when the indoor temperature t is greater than the first preset temperature t1;
  • the operating frequency of the compressor and the position of the air deflector are controlled according to the second control strategy;
  • the corresponding control strategy is selected according to the indoor humidity RH to control the operating frequency of the compressor and/or the rotational speed of the indoor fan, and according to the working frequency of the compressor or the indoor fan The speed adjusts the position of the air deflector.
  • the cooling mode real-time indoor temperature and indoor humidity are collected, the relationship between the indoor temperature and the preset temperature, and the indoor humidity are determined to determine different control strategies, and the indoor temperature and humidity are adjusted.
  • the operating frequency of the compressor, the speed of the indoor fan and the position of the air deflector are adjusted so that the indoor temperature and humidity can meet the requirements of user comfort, and the influence of fluctuations of other environmental parameters caused by adjusting a single indoor environmental parameter is avoided.
  • the first preset temperature t1 and the second preset temperature t2 are associated with a target temperature T, wherein the target temperature T is set by a user.
  • the user can set the target temperature T through the air conditioner remote control, the control panel on the air conditioner indoor unit, or the mobile terminal having the remote control function for the air conditioner.
  • the first preset temperature t1 is greater than the second preset temperature t2, N is greater than or equal to M, and N and M are greater than Q.
  • K 24 ° C, 25 ° C or 26 ° C.
  • N 2.5 ° C, 3 ° C or 3.5 ° C.
  • M 1.5 ° C, 2 ° C or 2.5 ° C.
  • Q 1 ° C, 2 ° C or 3 ° C.
  • the adjusting unit 6031 is further configured to: when the indoor temperature t is less than or equal to the second preset temperature t2, and the indoor humidity RH is less than the first preset humidity Rh, according to the third The control strategy controls the operating frequency of the compressor and/or the rotational speed of the indoor fan.
  • the indoor humidity RH is greater than or equal to the first preset humidity Rh
  • the operating frequency of the compressor according to the fourth control strategy and/or Or the speed of the indoor fan is controlled.
  • the first preset humidity Rh is 52%.
  • the adjusting unit 6031 is configured to adjust the operating frequency F of the compressor to a set frequency f1 when the indoor temperature t is less than or equal to the first preset temperature t1 and greater than the second preset temperature t2. , adjust the air deflector to the maximum air outlet position.
  • the set frequency f1 can be a fixed value, which can be set according to the results of multiple tests to ensure air conditioning energy saving effect.
  • the set frequency f1 is 70% of the highest frequency of the compressor.
  • the adjusting unit 6031 is further configured to keep the operating frequency of the compressor and/or the rotating speed of the indoor fan when the indoor humidity RH is less than the first preset humidity Rh; or use the dual temperature difference PID The mode controls the operating frequency of the compressor and/or the speed of the indoor fan.
  • the adjusting unit 6031 is configured to keep the operating frequency of the compressor unchanged when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh. .
  • the adjusting unit 6031 is configured to keep the rotation speed of the indoor fan unchanged when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh.
  • the adjusting unit 6031 is configured to maintain the working frequency and indoor of the compressor when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh The speed of the fan does not change.
  • the adjusting unit 6031 is configured to control the compressor by using a dual temperature difference PID mode when the indoor temperature t is less than or equal to the first preset temperature t1 and the indoor humidity RH is less than the first preset humidity Rh.
  • the operating frequency and / or the speed of the indoor fan to ensure that the indoor air is comfortable and can increase the relative humidity of the room.
  • the MCU further includes: a determining unit (not shown) for determining a temperature deviation between the temperature difference between the current temperature value and the set temperature value and the first determined first temperature difference value And determining an operating frequency F of the compressor according to the temperature deviation value; determining a rotation speed R of the indoor fan according to the operating frequency F of the compressor.
  • the adjusting unit 6031 is configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the determining unit; and adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the determining unit.
  • the determining unit is further configured to determine the position of the wind deflector according to the rotational speed R of the indoor fan.
  • the adjusting unit 6031 is configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the determining unit; adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the determining unit; The position of the wind deflector adjusts the wind deflector.
  • the determining unit is configured to calculate the operating frequency F of the compressor according to formula (1).
  • the rotational speed R of the indoor fan is determined according to the operating frequency F of the compressor, and the higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the rotational speed R of the indoor fan is determined according to Table 1. In other embodiments, the rotational speed R of the indoor fan is calculated by calculation, specifically, according to formula (2).
  • the apparatus for controlling an air conditioner further includes: a calculation unit 6034.
  • the calculating unit 6034 is configured to calculate a correction value of the target temperature T when the indoor temperature t is less than or equal to the first preset temperature t′, and the indoor humidity RH is greater than or equal to the first preset humidity Rh, and obtain the corrected temperature Tx.
  • the operating frequency F of the compressor is determined according to the corrected target temperature Tx
  • the rotational speed R of the indoor fan is determined according to the operating frequency F of the compressor, wherein the target temperature T is set by the user.
  • the adjusting unit 6031 is further configured to adjust the operating frequency of the compressor according to the operating frequency F of the compressor determined by the calculating unit 6034, and adjust the rotating speed of the indoor fan according to the rotating speed R of the indoor fan determined by the calculating unit 6034.
  • Tx is the corrected temperature
  • Tx1 is the temperature after the previous correction
  • Dset is the correction value.
  • Dset is a fixed value, or Dset is a variable.
  • the calculating unit 6034 is configured to calculate the correction value Dset according to the humidity difference Prh of the indoor humidity RH and the target humidity RHm and the indoor humidity change Drh each time the correction is performed, according to the formula (3). Dset.
  • the calculating unit 6034 is configured to calculate the operating frequency F of the compressor according to the temperature difference PT between the indoor temperature t and the corrected target temperature Tx, and the change DT of the indoor temperature, according to the formula ( 4) Calculate F.
  • the calculating unit 6034 is configured to determine the rotational speed R of the indoor fan according to the operating frequency F of the compressor. The higher the frequency of the compressor, the higher the rotational speed R of the indoor fan.
  • the rotational speed R of the indoor fan is determined according to Table 1. In other embodiments, the rotational speed R of the indoor fan is calculated by calculation, specifically, according to formula (2).
  • the adjusting unit 6031 when the indoor temperature t is less than or equal to the second preset temperature t2, and the indoor humidity RH is greater than or equal to the first preset humidity Rh, the adjusting unit 6031, according to the fourth The control strategy controls the operating frequency of the compressor and/or the rotational speed of the indoor fan.
  • the adjusting unit 6031 adjusts the position of the air deflector at the minimum air outlet position, and if the speed R of the indoor fan is greater than the set speed value R', the air deflector is adjusted to be at the maximum air outlet position; when the indoor temperature t is less than or equal to
  • the adjusting unit 6031 adjusts the indoor fan to operate at the maximum speed, and adjusts the air deflector to be in the minimum air blowing position.
  • the indoor temperature is too low, the upper air temperature is high, and the bottom air is The temperature of the air contacted by the human body is low, the indoor fan is adjusted to operate at the maximum speed, and the air deflector is at the minimum air outlet position, which accelerates the mixing speed of the upper air and the lower air, thereby allowing the user to contact the air. Degree appropriate.
  • the apparatus for controlling the air conditioner further includes: a receiving unit 6032 and a switching unit 6033.
  • the receiving unit 6032 is configured to receive a mode switching instruction.
  • the switching unit 6033 is configured to switch from the current operating mode to the first mode operation according to the mode switching instruction received by the receiving unit 6032.
  • the first mode is a PMV mode.
  • the air conditioning operation mode when the air conditioning operation mode is switched into the PMV mode operation, in the cooling mode, when the operating frequency of the compressor and/or the rotation speed of the indoor fan and the position of the air deflector are controlled according to the fourth control strategy,
  • the speed of the indoor fan is determined by the system according to the operating frequency of the compressor. If the user changes the speed of the indoor fan during the operation of the air conditioner, the air conditioner exits the operating frequency of the compressor and/or the speed of the indoor fan according to the fourth control strategy.
  • the position of the air deflector is controlled, and the user changes the rotation speed of the indoor fan according to the needs of the user when the speed of the air conditioner indoor fan does not meet his own needs, and the air conditioner exits the working frequency and/or indoor of the compressor according to the fourth control strategy.
  • the speed of the fan and the position of the air deflector are controlled to meet the needs of the user.
  • the control strategy when it is detected that the indoor temperature t changes and the humidity changes, and the control strategy needs to be adjusted, the current operating frequency of the compressor and the speed of the indoor fan are maintained for the first set time, and then the control is switched. Strategy.
  • the first set time ranges from 30S to 90S.
  • the first set time is 30S, 60S or 90S.
  • the present disclosure also includes an air conditioner, including a compressor and an indoor fan, and further comprising the apparatus of any of the preceding embodiments.

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Abstract

一种用于空调自清洁的控制方法，包括：在空调制冷模式下，采集室内温度t和室内湿度RH（S101）；当室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制（S102）；当室内温度t小于或等于第一预设温度t1时，根据室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。该方法能够在实现室内温度和湿度均可以满足用户舒适度要求的同时，避免因调节单一室内环境参数而导致其他环境参数波动的影响。还公开了一种用于控制空调的装置及一种空调。

Description

用于空调自清洁的控制方法及装置、空调
本申请基于申请号为201710787980.8、申请日为2017年9月4日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
本申请基于申请号为201710787083.7、申请日为2017年9月4日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本文涉及空调技术领域，特别涉及一种用于空调自清洁的控制方法及装置、空调。
背景技术
目前，现有家用空调在制冷运行过程中会有大量冷凝水产生，在合适的湿度和温度条件下，会滋生大量的细菌；并且细菌会随着送风输送到房间中去，这样会严重影响用户的舒适性和健康。据相关研究证明，在高湿度或者高温条件下细菌最易滋生。
另外，家用空调器在实际运行过程中，当设定温度和房间温度偏差较大时，压缩机高频运行，此时内机盘管温度一般较低(低于空气露点温度)空气中的水蒸气不断被冷凝下来，当房间温度达到设定温度时，湿度可能已经很低，而一般空调器没有加湿功能，此时用户会感觉干燥不舒服；当房间温度和设定温度差值很小时，空调器大多低频运行，此时内机盘管温度一般较高(高于空气露点温度)，空气中的水蒸气不会被冷凝下来，这样当房间温度达到设定温度时候，空气湿度可能偏大，用户同样感觉不舒服。因此，现有的空调控制方法往往不能兼顾对室内温度和湿度调节，导致室内温、湿度不能满足用户的舒适度和健康性的要求。
发明内容
本文提供了一种用于空调自清洁的控制方法及装置、空调，，旨在解决现有空调不能兼顾室内温度和湿度调节的问题。为了对披露的实施例的一些方面有一个基本的理解，下面给出了简单的概括。该概括部分不是泛泛评述，也不是要确定关键/重要组成元素或描绘这些实施例的保护范围。其唯一目的是用简单的形式呈现一些概念，以此作为后面的详细说明的序言。
根据本文实施例的第一方面，提供了一种用于控制空调的方法，包括：在空调制冷模式下，采集室内温度t和室内湿度RH；当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
可选地，当所述室内温度t小于或等于第一预设温度t1且大于第二预设温度t2 时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制；其中，第一预设温度t1大于第二预设温度t2。
可选地，当所述室内温度t小于或等于第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；其中，第一预设温度t1大于第二预设温度t2。
可选地，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制后，还包括：根据压缩机的工作频率或室内风机的转速调整导风板的位置。
可选地，所述第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。
可选地，所述第一预设温度t1与目标温度T相关联，其中，所述目标温度T由用户设定。
可选地，当用户设定的室内温度T大于K时，所述第一预设温度t1＝K+N；当用户设定的室内温度T小于或等于K时，所述第一预设温度t1＝K+M；其中，K、N、M和Q为预设的温度值。其中，N大于或等于M，N和M大于Q。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。优选地，Q＝1℃、2℃或3℃。
可选地，当用户设定的室内温度T大于K时，所述第一预设温度t1＝K+N；所述第二预设温度t2＝K+N－Q；当用户设定的室内温度T小于或等于K时，所述第一预设温度t1＝K+M；所述第二预设温度t2＝K+M－Q；其中，K、N、M和Q为预设的温度值。其中，第一预设温度t1大于第二预设温度t2，N大于或等于M，N和M大于Q。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。优选地，Q＝1℃、2℃或3℃。
可选地，所述根据第二控制策略对压缩机的工作频率和导风板的位置进行控制，包括：将压缩机的工作频率F调整至一设定频率f1，将导风板调整至最大出风位置。
可选地，所述根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制包括：当所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
可选地，所述第一预设湿度Rh为52％。
可选地，所述根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制包括：保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
可选地，所述利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，包括：确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
可选地，所述根据所述温度偏差值，确定压缩机的工作频率F，按照如下公式计算得到：
F＝(t1_Ki×Dtn+t1_Kp×Ptn)×C；
其中，Dtn＝|Ptn–Ptn-1|，Ptn＝|Tn–Tm|，t1_Ki为温度偏差系数，t1_Kp为温差系数，C为工作频率值系数，Dtn为所述温差偏差值，Ptn为所述温度差值，Tn为所述当前温度值，Tm为所述设定温度值。
可选地，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
可选地，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
可选地，当所述室内湿度RH小于第一预设湿度Rh时，所述根据压缩机的工作频率或室内风机的转速调整导风板的位置，包括：根据室内风机的转速R调整导风板的位置，当室内风机的转速R大于设定转速值R’时，调整导风板处于最大出风位置；当室内风机的转速R小于或等于所述设定转速值R’时，调整导风板处于最小出风位置。
可选地，根据第四控制策略对压缩机的工作频率和/或室内风机的转速，包括：对目标温度T进行一次或多次修正，获得修正后的温度Tx；其中，目标温度T由用户设定；根据所述修正后的目标温度Tx确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
可选地，对目标温度T进行一次或多次修正，包括：第一次进行修正时，Tx＝T–Dset；第二次及以后进行修正时，Tx＝Tx1–Dset；其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。可选地，Dset为一固定值，或者，Dset为一变量。
可选地，每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset。其中，Dset＝Int{[RH_Ki×Prh+RH_Kp×Drh]×100}/100；Prh＝RH–RHm，Drh＝RH–RH1，RH1为前一次采集的室内湿度，RH_Kp、RH_Ki分别为设定的加权系数。其中，RH_Kp的选取与系统配置和外界环境温度相关，RH_Ki的选取与系统配置和外界环境温度相关。其中，若计算获得的修正值Dset大于设定的上限值，则以所述上限值作为修正值Dset；若计算获得的修正值Dset小于设定的下限值，则以所述下限值作为修正值Dset。
可选地，还包括：接收模式切换指令，并从当前运行模式切换进入第一模式运行。
可选地，所述第一模式为预测平均投票数PMV模式。
可选地，当用户设定的室内温度T为设定值时，仅根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以对室内温度进行控制。
可选地，所述设定值为29℃或30℃。
可选地，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，室内风机的转速由系统根据压缩机的工作频率确定，若在空调运行过程中，用户 自行更改所述室内风机的转速，则空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
可选地，当检测到室内温度t发生变化或湿度发生变化，需要对控制策略进行调整时，维持当前的压缩机的工作频率和室内风机的转速运行第一设定时间后再切换控制策略。
可选地，第一设定时间的范围为30S～90S。优选的，第一设定时间为30S、60S或90S。
根据本文实施例的第二方面，提供了一种用于空调控制的装置，包括用于采集室内温度t的温度传感器和用于采集室内湿度RH的湿度传感器，和微控制单元(Microcontroller Unit，MCU)，所述MCU包括：调节单元，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t’时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t’时，根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制。
可选地，所述第一预设温度t1与目标温度T相关联，其中，所述目标温度T由用户设定。
可选地，所述调节单元在根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制时，具体用于当所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
可选地，所述调节单元在根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
可选地，所述调节单元在根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
优选的，所述第一预设湿度Rh为52％
可选地，所述MCU还包括：确定单元，用于确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R；所述调节单元在利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速时，具体用于根据所述确定单元确定的压缩机的工作频率F相应的调整压缩机的工作频率；根据所述确定单元确定的室内风机的转速R。
可选地，所述确定单元，用于按照如下公式计算得到压缩机的工作频率F：
F＝(T’_Ki×Dtn+T’_Kp×Ptn)×C；
其中，Dtn＝|Ptn–Ptn-1|，Ptn＝|Tn–Tm|，T’_Ki为温度偏差系数，T’_Kp为温差系数，C为工作频率值系数，Dtn为所述温差偏差值，Ptn为所述温度差值，Tn为所述当前温度值，Tm为所述设定温度值。
可选地，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
可选地，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
可选地，所述调节单元在根据压缩机的工作频率或室内风机的转速调整导风板的位置时，具体用于当室内风机的转速R大于设定转速值R’时，调整导风板处于最大出风位置；当室内风机的转速R小于或等于所述设定转速值R’时，调整导风板处于最小出风位置。
可选地，所述MCU还包括：计算单元，用于在室内温度t小于或等于第一预设温度t1，室内湿度RH大于或等于第一预设湿度Rh时，计算目标温度T的修正值，获得修正后的温度Tx，根据所述修正后的目标温度Tx确定压缩机的工作频率F，根据压缩机的工作频率F确定室内风机的转速R，其中，目标温度T由用户设定；所述调节单元，还用于根据所述计算单元确定的压缩机的工作频率F相应地调整压缩机的工作频率，根据所述计算单元确定的室内风机的转速R相应地调整室内风机的转速。
可选地，所述计算单元，用于在第一次进行修正时，根据Tx＝T–Dset获得修正后的温度Tx，第二次及以后进行修正时，根据Tx＝Tx1–Dset获得修正后的温度Tx；其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。可选地，Dset为一固定值，或者，Dset为一变量。
可选地，每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset。其中，Dset＝Int{[RH_Ki×Prh+RH_Kp×Drh]×100}/100；Prh＝RH–RHm，Drh＝RH–RH1，RH1为前一次采集的室内湿度，RH_Kp、RH_Ki分别为设定的加权系数。其中，RH_Kp的选取与系统配置和外界环境温度相关，RH_Ki的选取与系统配置和外界环境温度相关。其中，若计算获得的修正值Dset大于设定的上限值，则以所述上限值作为修正值Dset；若计算获得的修正值Dset小于设定的下限值，则以所述下限值作为修正值Dset。
可选地，所述计算单元，用于根据所述室内温度t与修正后的目标温度Tx的温差PT，和，室内温度的变化DT计算所述压缩机的工作频率F。
可选地，F＝T_Kp×PT+T_Ki×DT；PT＝t–Tx，DT＝t–t'；t'为前一次采集的室内温度，T_Kp、T_Ki分别为加权系数。其中，T_Kp的选取与系统配置和外界环境温度相关，T_Ki的选取与系统配置和外界环境温度相关。T_Kp的取值范围为1～8，T_Ki的取值范围为1～10。优选地，T_Kp＝3、4、5、6或7；T_Ki＝3、4、5、6或7。
可选地，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
可选地，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
根据本文实施例的第三方面，提供了一种用于空调控制的装置，包括用于采集室内温度t的温度传感器和用于采集室内湿度RH的湿度传感器，和微控制单元MCU，所 述MCU包括：调节单元，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制；当所述室内温度t小于或等于所述第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制，并根据工作频率或室内风机的转速调整导风板的位置。
可选地，所述第一预设温度t1和所述第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。
可选地，所述调节单元在根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
优选的，所述第一预设湿度Rh为52％
可选地，所述调节单元在根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
可选地，所述MCU还包括：确定单元，用于确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R；所述调节单元在利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速时，具体用于根据所述确定单元确定的压缩机的工作频率F相应的调整压缩机的工作频率；根据所述确定单元确定的室内风机的转速R。
可选地，所述确定单元，用于按照如下公式计算得到压缩机的工作频率F：
F＝(T’_Ki×Dtn+T’_Kp×Ptn)×C；
其中，Dtn＝|Ptn–Ptn-1|，Ptn＝|Tn–Tm|，T’_Ki为温度偏差系数，T’_Kp为温差系数，C为工作频率值系数，Dtn为所述温差偏差值，Ptn为所述温度差值，Tn为所述当前温度值，Tm为所述设定温度值。
可选地，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
可选地，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
可选地，所述调节单元在根据压缩机的工作频率或室内风机的转速调整导风板的位置时，具体用于当室内风机的转速R大于设定转速值R’时，调整导风板处于最大出风位置；当室内风机的转速R小于或等于所述设定转速值R’时，调整导风板处于最小出风位置。
可选地，所述MCU还包括：计算单元，用于在室内温度t小于或等于第一预设温度t1，室内湿度RH大于或等于第一预设湿度Rh时，计算目标温度T的修正值，获得修正后的温度Tx，根据所述修正后的目标温度Tx确定压缩机的工作频率F，根据压缩机的工作频率F确定室内风机的转速R，其中，目标温度T由用户设定；所述调节单元，还用于根据所述计算单元确定的压缩机的工作频率F相应地调整压缩机的工作频率，根据所述计算单元确定的室内风机的转速R相应地调整室内风机的转速。
可选地，所述计算单元，用于在第一次进行修正时，根据Tx＝T–Dset获得修正后的温度Tx，第二次及以后进行修正时，根据Tx＝Tx1–Dset获得修正后的温度Tx；其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。可选地，Dset为一固定值，或者，Dset为一变量。
可选地，每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset。其中，Dset＝Int{[RH_Ki×Prh+RH_Kp×Drh]×100}/100；Prh＝RH–RHm，Drh＝RH–RH1，RH1为前一次采集的室内湿度，RH_Kp、RH_Ki分别为设定的加权系数。其中，RH_Kp的选取与系统配置和外界环境温度相关，RH_Ki的选取与系统配置和外界环境温度相关。其中，若计算获得的修正值Dset大于设定的上限值，则以所述上限值作为修正值Dset；若计算获得的修正值Dset小于设定的下限值，则以所述下限值作为修正值Dset。
可选地，所述计算单元，用于根据所述室内温度t与修正后的目标温度Tx的温差PT，和，室内温度的变化DT计算所述压缩机的工作频率F。
可选地，F＝T_Kp×PT+T_Ki×DT；PT＝t–Tx，DT＝t–t'；t'为前一次采集的室内温度，T_Kp、T_Ki分别为加权系数。其中，T_Kp的选取与系统配置和外界环境温度相关，T_Ki的选取与系统配置和外界环境温度相关。T_Kp的取值范围为1～8，T_Ki的取值范围为1～10。优选地，T_Kp＝3、4、5、6或7；T_Ki＝3、4、5、6或7。
可选地，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
可选地，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
可选地，所述调节单元，还用于当室内温度t小于或等于第二预设温度t2，且大于第三预设温度t3时，若室内风机的转速R大于所述设定转速值R’，调整导风板处于最大出风位置；若室内风机的转速R小于或等于所述设定转速值R’，调整导风板处于最小出风位置；当室内温度t小于或等于第三预设温度t3时，调整室内风机以最大转速运行，调整导风板处于最小出风位置。
可选地，所述MCU还包括：接收单元，用于接收模式切换指令；切换单元，用于根据所述接收单元接收的模式切换指令，从当前运行模式切换进入第一模式运行。
可选地，所述第一模式为PMV模式。
可选地，所述调节单元，用于当用户设定的室内温度T为设定值时，仅根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以对室内温度进行控制。
可选地，所述设定值为29℃或30℃。
可选地，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，室内风机的转速由系统根据压缩机的工作频率确定，若在空调运行过程中，用户自行更改所述室内风机的转速，则空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
可选地，所述调节单元，用于当检测到室内温度t发生变化或湿度发生变化，需要对控制策略进行调整时，维持当前的压缩机的工作频率和室内风机的转速运行第一设定时间后再切换控制策略。
可选地，第一设定时间的范围为30S～90S。优选的，第一设定时间为30S、60S或90S。
根据本文实施例的第四方面，提供了一种空调，包括压缩机和室内风机，还包括任一前述的用于空调控制的装置。
根据本文实施例的第五方面，提供了一种用于空调自清洁的控制方法，包括：在空调制冷模式下，采集室内温度t和室内湿度RH；当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
本实施例提供的技术方案可以包括以下有益效果：
在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率，室内风机的转速或导风板的位置中的一项或多项进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本文。
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此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本文的实施例，并与说明书一起用于解释本文的原理。
图1是根据一示例性实施例示出的一种用于控制空调的方法的流程示意图；
图2是根据一示例性实施例示出的一种用于控制空调的方法的流程示意图；
图3是根据一示例性实施例示出的一种用于控制空调的方法的流程示意图；
图4是根据一示例性实施例示出的一种用于控制空调的方法的流程示意图；
图5是根据一示例性实施例示出的一种用于控制空调的方法的流程示意图；
图6是根据一示例性实施例示出的一种用于控制空调的装置的结构框图；
图7是根据一示例性实施例示出的一种用于控制空调的装置的结构框图；
图8是根据一示例性实施例示出的一种用于控制空调的装置的结构框图。
具体实施方式
以下描述和附图充分地示出本文的具体实施方案，以使本领域的技术人员能够实践它们。其他实施方案可以包括结构的、逻辑的、电气的、过程的以及其他的改变。实施例仅代表可能的变化。除非明确要求，否则单独的部件和功能是可选的，并且操作的顺序可以变化。一些实施方案的部分和特征可以被包括在或替换其他实施方案的部分和特征。本文的实施方案的范围包括权利要求书的整个范围，以及权利要求书的所有可获得的等同物。在本文中，各实施方案可以被单独地或总地用术语“实施例”来表示，这仅仅是为了方便，并且如果事实上公开了超过一个的实施例，不是要自动地限制该应用的范围为任何单个实施例或实施例构思。本文中，诸如第一和第二等之类的关系术语仅仅用于将一个实体或者操作与另一个实体或操作区分开来，而不要求或者暗示这些实体或操作之间存在任何实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法或者设备中还存在另外的相同要素。本文中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的方法、产品等而言，由于其与实施例公开的方法部分相对应，所以描述的比较简单，相关之处参见方法部分说明即可。
空调已是日常生活中常见的电器了，可以调节室内的温度，即可升温或降温，使得室内温度与用户预设温度匹配。但是，在温度调节的过程中，往往会导致室内环境湿度的变化，如通过增大冷媒量来降低室内环境温度时，由于室内换热器的表面温度降低，则可能导致流经室内换热器的空气中被冷凝的水汽量增加，这样，会导致室内环境湿度下降，用户往往会产生干燥不适的感觉。同理，在通过空调调节室内的湿度时，也可能会导致室内环境温度的变化，如通过增大冷媒量来降低室内换热器的表面温度，进而对室内环境进去除湿的过程中，由于室内换热器的表面温度降低，则会导致经营室内机吹出的空气的温度下降，这样，会使得室内环境温度降低，用户往往会产生寒冷的感觉。因此，现有的只调节温度或湿度等单一参数的空调控制方法不能满足用户舒适度的要求。
空调导风板的位置包括：最大出风位置和最小出风位置，其中，最大出风位置即导风板处于中间位置，此时导风板对出风口出风的阻力最小。最小出风位置即导风板摆动到对出风口出风的阻力最大的位置，包括导风板所能摆动的最大角度处，此时出风口在导风板的作用下向下吹风，或在完全覆盖出风口之前，此时出风口在导风板的作用下向上吹风。
在本实施例中，最小出风位置即出风口在导风板的作用下向上吹风。保证在调节过程中空调吹出的风不直接吹向人体，同时加快上层空气与下层空气的混合速度，加快调节过程让用户接触到的空气温度适宜。
在一实施例中，一种用于控制空调的方法，包括：在空调制冷模式下，采集室内温度t和室内湿度RH；
当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作 频率和/或室内风机的转速进行控制；
当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率，室内风机的转速或导风板的位置中的一项或多项进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
图1是根据一示例性实施例示出的一种用于控制空调的方法的流程图。如图1所示，包括：
步骤S101，在空调制冷模式下，采集室内温度t和室内湿度RH。
在本实施例中，可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端对空调运行模式进行调节，如：通过点击遥控器上的制冷模式按钮控制空调运行制冷模式。
空调一般装设于客厅、卧室和会议室等室内空间中，因此，步骤S101中所获取的即是空调所安装的客厅、卧室或者会议室等室内空间的当前温度值和湿度值，也即是本次流程中所获取的实时的室内温度t和室内湿度RH。
空调设置有温度传感器，用于检测室内环境的当前温度值。温度传感器的感应端可以设置于空调的进风口或者机壳外壁上，以使其检测的当前温度值可与室内环境的实际温度相同或相近，从而提高本实施例依据当前室内温度温度值对空调的压缩机工作频率和室内风机的转速调整的精准度。
空调设置有湿度传感器，用于检测室内环境的当前湿度值，也即是本次流程中所获取的实时的室内湿度RH。湿度传感器的感应端可以设置于空调的进风口或者机壳外壁上，以使其检测的当前湿值可与室内环境的实际湿度相同或相近，从而提高本实施例依据当前室内湿度值对空调的压缩机工作频率和室内风机的转速调整的精准度。
步骤S102，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
步骤S103，当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制。
空调系统预设有第一预设温度t1，作为对压缩机的工作频率和室内风机的转速进行控制的判断条件。当采集到室内温度t大于第一预设温度t1时，此时室内温度较高，温度偏差较大，需要进行降温处理，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以实现对室内温度的降温。当所述室内温度t小于或等于所述第一预设温度t1时，室内温度t满足用户的制冷需求，此时需要对室内环境湿度进行调整，以提高用户的舒适度，根据采集到的室内湿度RH选择相应的控制策略单方面对压缩机的工作频率或室内风机的转速进行控制，或者同时调节压缩机的工作频率或室内风机的转速，以加快对湿度的调节。
在本实施例中，在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率和室内风机的转速进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
在前述实施例中，第一预设温度t1与目标温度T相关联，其中，所述目标温度T由用户设定。用户可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端设定目标温度T。
在一些实施例中，当用户设定的室内温度T大于K时，所述第一预设温度t1＝K+N；当用户设定的室内温度T小于或等于K时，所述第一预设温度t1＝K+M；其中，K、N和M为预设的温度值。其中，N大于或等于M。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。
例如：当K＝25℃，N＝2.5℃，M＝1.5℃；用户设定的室内温度T为26℃时，第一预设温度t1＝26℃+2.5℃＝28.5℃；用户设定的室内温度T为25℃时，t1＝25℃+1.5℃＝26.5℃。
图2是根据一示例性实施例示出的一种用于控制空调的方法的流程图。如图2所示，包括：
步骤S201，在空调制冷模式下，采集室内温度t和室内湿度RH。当室内温度t大于第一预设温度t1，即T>t1时；执行步骤S202，当室内温度t小于或等于第一预设温度t1，即T≤t1时，若室内湿度RH小于第一预设湿度Rh，即RH<Rh时，则执行步骤S203；若室内湿度RH大于或等于第一预设湿度Rh，即RH≥Rh时，执行步骤S204。
在步骤S202中，室内温度t大于第一预设温度t1，温度偏差较大，需要进行降温，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以实现降温。
在步骤S203中，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
在步骤S204中，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
在一些实施例中，在步骤S203中，保持压缩机的工作频率不变。
在一些实施例中，在步骤S203中，保持室内风机的转速不变；
在一些实施例中，在步骤S203中，保持压缩机的工作频率和室内风机的转速不变。
在一些实施例中，在步骤S203中，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，以保证室内出风舒适的同时可以将室内相对湿度升高。
在一些实施例中，在步骤S204中，室内温度t小于或等于第一预设温度t1，室内湿度RH大于或等于第一预设湿度Rh，需要对室内环境进行除湿处理，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制，包括：对目标温度T进行一次或多次修正，获得修正后的温度Tx；其中，目标温度T由用户设定；根据所述 修正后的目标温度Tx确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
在一些实施例中，在步骤S203和步骤S204之后还包括：根据压缩机的工作频率或室内风机的转速调整导风板的位置。
图3是根据一示例性实施例示出的一种用于控制空调的方法的流程图。在本实施例中仅针对与前述实施例不同的步骤进行说明。如图3所示，包括：
步骤S301，在空调制冷模式下，采集室内温度t和室内湿度RH。
步骤S302，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
步骤S303，当所述室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
步骤S304，当所述室内温度t小于或等于所述第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制，并根据压缩机的工作频率或室内风机的转速调整导风板的位置。
空调系统预设有第一预设温度t1，作为对压缩机的工作频率，室内风机的转速和挡风板位置进行控制的判断条件。当采集到室内温度t大于第一预设温度t1时，此时室内温度较高，温度偏差较大，需要进行降温处理，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以实现对室内温度的降温。当所述室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，室内温度t与设定温度接近，室内温度t满足用户的制冷需求，此时根据第二控制策略对压缩机的工作频率和导风板的位置进行控制，以降低空调能耗，节约能源。当所述室内温度t小于或等于所述第二预设温度t2时，根据采集到的室内湿度RH选择相应的控制策略对压缩机的工作频率或室内风机的转速进行控制，以及对导风板的位置进行调整，或者同时调节压缩机的工作频率，室内风机的转速和导风板的位置，以对室内环境的温度和湿度进行调整，以提高用户的舒适度。
在本实施例中，在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率，室内风机的转速和导风板的位置进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
在前述实施例中，第一预设温度t1和第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。用户可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端设定目标温度T。
在一些实施例中，当用户设定的室内温度T大于K时，所述第一预设温度t1＝K+N；所述第二预设温度t2＝K+N－Q；当用户设定的室内温度T小于或等于K时，所述第一预设温度t1＝K+M；所述第二预设温度t2＝K+M－Q；其中，K、N、M和Q为预设的温度值。其中，第一预设温度t1大于第二预设温度t2，N大于或等于M，N和M大于Q。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。优选地，Q＝1℃、2℃或3℃。
例如：当K＝25℃，N＝2.5℃，M＝1.5℃，Q＝1℃；用户设定的室内温度T为26℃时，第一预设温度t1＝26℃+2.5℃＝28.5℃，第二预设温度t2＝26℃+2.5℃－1℃＝27.5℃；用户设定的室内温度T为25℃时，t1＝25℃+1.5℃＝26.5℃，t2＝25℃+1.5℃－1℃＝25.5℃。
图4是根据一示例性实施例示出的一种用于控制空调的方法的流程图。如图4所示，包括：
步骤S401，在空调制冷模式下，采集室内温度t和室内湿度RH。当室内温度t大于第一预设温度t1，即t>t1时,执行步骤S402；当室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2，即t2＜t≤t1时，执行步骤S403；当室内温度t小于或等于第二预设温度t2，即t≤t2时，若室内湿度RH小于第一预设湿度Rh，即RH<Rh时，则执行步骤S404；若室内湿度RH大于或等于第一预设湿度Rh，即RH≥Rh时，执行步骤S405。
在步骤S402中，室内温度t大于第一预设温度t1，温度偏差较大，需要进行降温，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以实现降温。
在步骤S403中，室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2，此时室内温度接近用户设定温度，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制，以降低空调能耗，节约能源。
在步骤S404中，根据第三控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制，并根据压缩机的工作频率或室内风机的转速调整导风板的位置。
在步骤S405中，根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制，以对温度和湿度进行控制，并根据压缩机的工作频率或室内风机的转速调整导风板的位置。
在一些实施例中，在步骤S403中，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制，包括：将压缩机的工作频率F调整至一设定频率f1，将导风板调整至最大出风位置。
在一些实施例中，在步骤S404中，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，以保证室内出风舒适的同时可以将室内相对湿度升高。
在一些实施例中，在步骤S405中，室内温度t小于或等于第一预设温度t1，室内湿度RH大于或等于第一预设湿度Rh，需要对室内环境进行除湿处理，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制，包括：对目标温度T进行一次或多次修正，获得修正后的温度Tx；其中，目标温度T由用户设定；根据所述修正后的目标温度Tx确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
在前述任一实施例中，优选的，第一预设湿度Rh为52％，经过以大数据的方式进行统计得出黄金湿度值为52％，在该湿度值下，人体舒适度最佳，同时在该湿度下，还可以抑制环境中细菌和霉菌的滋生。
图5是根据一示例性实施例示出的一种用于控制空调的方法的流程图。
在一些实施例中，如图5所示，当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH大于或等于所述第一预设湿度Rh时，执行步骤S406，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制，当室内温度t大于第三预设温度t3，即t3＜t≤t2时，若室内风机的转速R小于或等于设定转速值R’，调整导风板处于最小出风位置位置，若室内风机的转速R大于设定转速值R’，调整导风板处于最大出风位置；当室内温度t小于或等于第三预设温度t3，即t≤t3时，调整室内风机以最大转速运行，调整导风板处于最小出风位置，此时室内温度过低，上层空气温度高，底层空气即人体所接触的空气温度低，调整室内风机以最大转速运行，导风板处于最小出风位置，加快上层空气与下层空气的混合速度，从而让用户接触到的空气温度适宜。
在前述任一实施例中，在根据室内温度t和室内湿度RH对压缩机的工作频率，室内风机的转速或导风板的位置进行控制之前，还包括：接收模式切换指令，并从当前运行模式切换进入第一模式运行。
其中，模式切换指令由空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端发出，第一模式为PMV模式。PMV模式是人体舒适智能控制模式，用户在空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端上按下PMV模式按键后，空调收到PMV模式指令后将切换进入PMV模式，采集室内温度、室内湿度、风速、热辐射、着衣量、活动量等参数。其中，PMV为人体的热舒适指标值，可以表征为室内空气温度Ta、平均辐射温度Tr、室内空气流速Va、室内空气湿度φa、人体代谢率M、服装热阻CLO六个参数的函数，即PMV＝f(Ta，Tr，Va，φa，M，CLO)。当PMV＝0时意味着室内热环境为最佳的热舒适状态。
在前述任一实施例中，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速具体包括如下步骤：确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
具体的，根据所述温度偏差值，确定压缩机的工作频率F，按照如下公式(1)计算得到：
F＝(T’_Ki×Dtn+T’_Kp×Ptn)×C；(1)
其中，Dtn＝|Ptn–Ptn-1|，Ptn＝|Tn–Tm|，T’_Ki为温度偏差系数，T’_Kp为温差系数，C为工作频率值系数，Dtn为所述温差偏差值，Ptn为所述温度差值，Tn为所述当前温度值，Tm为所述设定温度值。
在一些实施例中，压缩机的工作频率F设有上限和下限，以保证空调的运行效率，压缩机的使用寿命。当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
优选的，压缩机的工作频率F的范围为(36Hz，65Hz)。其中，上限值和下限值由不同的空调机型及压缩机机型在调试阶段进行大量实验统计确定。如：Dtn＝2，Ptn＝10，T’_Ki＝4，T’_Kp＝6，C＝10，根据公式(1)得出F＝(4×2+6×10)×10＝68Hz。 计算的工作频率F大于上限值65Hz，将压缩机的工作频率F设置为所述上限值65Hz。
其中，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
一种可选的方式是，通过预设的压缩机的工作频率F与室内风机的转速R的对应关系，查表获得风机的转速，具体对应关系如表1所示：
表1
Figure PCTCN2017109298-appb-000001
当室内风机高速运行时，盘管温度高，显热比例高，除湿量少，当室内风机高速低速运行时候盘管温度低，潜热比例高，除湿量大。
压缩机不同的工作频率段对应的室内风机的转速不同，低频率段对应的室内风机的转速低，高频率段对应的室内风机的转速高，因为虽然在一定的频率下风速越低，除湿量越大，但是在高频率段风速过低会引起室内机盘管冻结的风险。
另一种可选的方式是，通过计算的方式，具体的，根据如下公式(2)，由压缩机的工作频率F计算得出室内风机的转速R：
R＝15×F+50。(2)
在一些实施例中，根据室内风机的转速R调整导风板的位置，包括：当室内风机的转速R大于设定转速值R’时，调整导风板处于最大出风位置；当室内风机的转速R小于或等于所述设定转速值R’时，调整导风板处于最小出风位置。室内风机的转速R大于设定转速值R’为高速，此时调整导风板处于最大出风位置，当室内风机的转速R小于或等于所述设定转速值R’为低速，调整导风板处于最小出风位置。如：R’为800r/min，当风速为850r/min时，调整导风板处于最大出风位置；当风速为750r/min时，调整导风板处于最小出风位置。
在一些实施例中，根据压缩机的工作频率F调整导风板的位置，包括：当压缩机的工作频率F大于设定转速值F’时，调整导风板处于最大出风位置；当压缩机的工作频率F小于或等于所述设定转速值F’时，调整导风板处于最小出风位置。压缩机的工作频率F大于设定转速值F’为高频，此时调整导风板处于最大出风位置，当压缩机的工作频率F小于或等于所述设定转速值F’为低频，调整导风板处于最小出风位置。如：F’为50Hz，当风速为60Hz时，调整导风板处于最大出风位置；当风速为40Hz时，调整导风板处于最小出风位置。
在前述任一实施例中，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制过程中对目标温度T进行一次或多次修正，包括：第一次进行修正时，Tx＝T–Dset；第二次及以后进行修正时，Tx＝Tx1–Dset。
其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。可选地，Dset为一固定值，或者，Dset为一变量。
在一些实施例中，每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset，具体根据如下公式(3)计算Dset：
Dset＝Int{[RH_Ki×Prh+RH_Kp×Drh]×100}/100；(3)
其中，Prh＝RH–RHm，Drh＝RH–RH1，RH1为前一次采集的室内湿度，RH_Kp、RH_Ki分别为设定的加权系数。其中，RH_Ki的选取与系统配置和外界环境温度相关，RH_Kp的选取与系统配置和外界环境温度相关。如：外界环境温度越高，RH_Ki或RH_Kp的取值越大。外界环境温度高，为达到目标温度或湿度对各项参数需要调节的幅度越大，因此加权系数越大。外界环境温度包括室内环境温度或室外环境温度。在系统配置中，RH_Ki和RH_Kp的选取与节流装置为毛细管或膨胀阀，压缩机的排量性能或冷凝器和蒸发器的大小相关。
在一些实施例中，为防止出现过调现象，修正值Dset设有上限和下限，若计算获得的修正值Dset大于设定的上限值，则以所述上限值作为修正值Dset；若计算获得的修正值Dset小于设定的下限值，则以所述下限值作为修正值Dset。例如：上限值为0.2，下限值为-0.2；当计算得到的修正值Dset为0.3，则取上限值0.2作为修正值Dset，当计算得到的修正值Dset为-0.4，则取下限值-0.2作为修正值Dset。
在一些实施例中，根据所述修正后的目标温度Tx确定压缩机的工作频率F，包括：根据所述室内温度t与修正后的目标温度Tx的温差PT，和，室内温度的变化DT计算所述压缩机的工作频率F，具体根据如下公式(4)计算F：
F＝T_Ki×DT+T_Kp×PT；(4)
其中，PT＝t–Tx，DT＝t–t'；t'为前一次采集的室内温度，T_Kp、T_Ki分别为加权系数。其中，T_Ki的选取与系统配置和外界环境温度相关，T_Kp的选取与系统配置和外界环境温度相关。如：外界环境温度越高，T_Ki或T_Kp的取值越大。外界环境温度高，为达到目标温度或湿度对各项参数需要调节的幅度越大，因此加权系数越大。在系统配置中，T_Ki和T_Kp的选取与节流装置为毛细管或膨胀阀，压缩机的排量性能或冷凝器和蒸发器的大小相关。
其中，T_Ki的取值范围为1～10，T_Kp的取值范围为1～8。优选地，T_Ki＝3、4、5、6或7；T_Kp＝3、4、5、6或7。
在一些实施例中，压缩机的工作频率F设有上限和下限，以保证空调的运行效率，压缩机的使用寿命。当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
在前述任一实施例中，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
其中，根据压缩机的工作频率F确定室内风机的转速R的方式如前述实施例所述。
在前述实施例中，当空调运行模式切换进入PMV模式运行时，在制冷模式下，用户设定的室内温度T为29℃或30℃，仅根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制，以对室内温度进行控制。
在一些实施例中，当空调运行模式切换进入PMV模式运行时，在制冷模式下，根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制时，室内风机的转速由系统根据压缩机的工作频率确定，若在空调运行过程中，用户自行更改室内风机的转速，则空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制，用户根据自身需求不同在空调室内风机的转速不满足自身需求时，自行更改室内风机的转速，空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制以满足用户的需求。
在一些实施例中，当检测到室内温度t发生变化和湿度发生变化，需要对控制策略进行调整时，维持当前的压缩机的工作频率和室内风机的转速运行第一设定时间后再切换控制策略。
可选地，第一设定时间的范围为30S～90S。优选的，第一设定时间为30S、60S或90S。
下述为本公开装置实施例，可以用于执行本公开方法实施例。
图6是根据一示例性实施例示出的一种用于控制空调的装置的结构框图。如图6所示，包括：温度传感器601，湿度传感器602和MCU603，MCU603包括：调节单元6031。
温度传感器601，用于采集室内温度t。
湿度传感器602，用于采集室内湿度RH。
在本实施例中，温度传感器的感应端设置于空调的进风口或者机壳外壁上，湿度传感器的感应端设置于空调的进风口或者机壳外壁上。
调节单元6031，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
在本实施例中，在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率，室内风机的转速或导风板的位置中的一项或多项进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
在前述实施例中，所述第一预设温度t’与目标温度T相关联，其中，所述目标温度T由用户设定。用户可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端设定目标温度T。
在一实施例中，调节单元6031，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制。
在本实施例中，在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和 湿度调节，进而对压缩机的工作频率和室内风机的转速进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
在前述实施例中，第一预设温度t1与目标温度T相关联，其中，所述目标温度T由用户设定。用户可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端设定目标温度T。
在一些实施例中，当用户设定的室内温度T大于K时，所述第一预设温度t’＝K+N；当用户设定的室内温度T小于或等于K时，所述第一预设温度t’＝K+M；其中，K、N和M为预设的温度值。其中，N大于或等于M。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。
例如：当K＝25℃，N＝2.5℃，M＝1.5℃；用户设定的室内温度T为26℃时，第一预设温度t’＝26℃+2.5℃＝28.5℃；用户设定的室内温度T为25℃时，t’＝25℃+1.5℃＝26.5℃。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1时，若室内湿度RH小于第一预设湿度Rh，即RH<Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；若室内湿度RH大于或等于第一预设湿度Rh，即RH≥Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持压缩机的工作频率不变。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持室内风机的转速不变；
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持压缩机的工作频率和室内风机的转速不变。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，以保证室内出风舒适的同时可以将室内相对湿度升高。在该实施例中，MCU还包括：确定单元(图中未示出)，用于确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F；根据压缩机的工作频率F确定室内风机的转速R。
在一些实施例中，调节单元6031，还用于根据压缩机的工作频率或室内风机的转速调整导风板的位置。
调节单元6031，用于根据确定单元确定的压缩机的工作频率F相应的调整压缩机的工作频率；根据确定单元确定的室内风机的转速R相应地调整室内风机的转速；根据确定单元确定的导风板的位置调整导风板。
在一些实施例中，具体的，确定单元用于根据公式(1)计算得到压缩机的工作频率F。
在前述任一实施例中，根据压缩机的工作频率F确定室内风机的转速R，压缩机的频率越高，室内风机的转速R越高。
在一些实施例中，根据表1确定室内风机的转速R。在另一些实施例中，通过计算的方式，具体的，根据公式(2)计算得出室内风机的转速R。
在一实施例中，调节单元6031，用于当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制；当所述室内温度t小于或等于所述第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制，并根据压缩机的工作频率或室内风机的转速调整导风板的位置。
在本实施例中，在制冷模式下，采集实时的室内温度与室内湿度，综合室内温度与预设温度的大小关系以及室内湿度的大小确定不同的控制策略，兼顾对室内温度和湿度调节，进而对压缩机的工作频率，室内风机的转速和导风板的位置进行调整，使室内温度和湿度均可以满足用户舒适度的要求，避免因调节单一室内环境参数而导致其它环境参数波动的影响。
在前述实施例中，第一预设温度t1和第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。用户可以通过空调遥控器，空调室内机上的控制面板或者对空调具有遥控功能的移动终端设定目标温度T。
在一些实施例中，当用户设定的室内温度T大于K时，所述第一预设温度t1＝K+N；所述第二预设温度t2＝K+N－Q；当用户设定的室内温度T小于或等于K时，所述第一预设温度t1＝K+M；所述第二预设温度t2＝K+M－Q；其中，K、N、M和Q为预设的温度值。其中，第一预设温度t1大于第二预设温度t2，N大于或等于M，N和M大于Q。
优选地，K＝24℃、25℃或26℃。优选地，N＝2.5℃、3℃或3.5℃。优选地，M＝1.5℃、2℃或2.5℃。优选地，Q＝1℃、2℃或3℃。
例如：当K＝25℃，N＝2.5℃，M＝1.5℃，Q＝1℃；用户设定的室内温度T为26℃时，第一预设温度t1＝26℃+2.5℃＝28.5℃，第二预设温度t2＝26℃+2.5℃－1℃＝27.5℃；用户设定的室内温度T为25℃时，t1＝25℃+1.5℃＝26.5℃，t2＝25℃+1.5℃－1℃＝25.5℃。
在前述任一实施例中，调节单元6031，还用于当当所述室内温度t小于或等于所述第二预设温度t2，所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制，当所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
优选的，第一预设湿度Rh为52％。
在一些实施例中，调节单元6031，用于当室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，将压缩机的工作频率F调整至一设定频率f1，将导风板调整至最大出风位置。
其中，设定频率f1可为固定的值，该值可根据多次试验结果设定，以保证空调 节能效果。优选的，设定频率f1为压缩机最高频率的70％。
在一些实施例中，调节单元6031，还用于当所述室内湿度RH小于第一预设湿度Rh时，保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持压缩机的工作频率不变。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持室内风机的转速不变；
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，保持压缩机的工作频率和室内风机的转速不变。
在一些实施例中，调节单元6031，用于当所述室内温度t小于或等于所述第一预设温度t1，室内湿度RH小于第一预设湿度Rh时，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，以保证室内出风舒适的同时可以将室内相对湿度升高。在该实施例中，MCU还包括：确定单元(图中未示出)，用于确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温度偏差值；根据所述温度偏差值，确定压缩机的工作频率F；根据压缩机的工作频率F确定室内风机的转速R。
调节单元6031，用于根据确定单元确定的压缩机的工作频率F相应的调整压缩机的工作频率；根据确定单元确定的室内风机的转速R相应地调整室内风机的转速。
在前述实施例中，确定单元还用于根据室内风机的转速R确定导风板的位置。
调节单元6031，用于根据确定单元确定的压缩机的工作频率F相应的调整压缩机的工作频率；根据确定单元确定的室内风机的转速R相应地调整室内风机的转速；根据确定单元确定的导风板的位置调整导风板。
在一些实施例中，具体的，确定单元用于根据公式(1)计算得到压缩机的工作频率F。
在前述任一实施例中，根据压缩机的工作频率F确定室内风机的转速R，压缩机的频率越高，室内风机的转速R越高。
在一些实施例中，根据表1确定室内风机的转速R。在另一些实施例中，通过计算的方式，具体的，根据公式(2)计算得出室内风机的转速R。
在一些实施例中，如图7所示，用于控制空调的装置，还包括：计算单元6034。
计算单元6034，用于在室内温度t小于或等于第一预设温度t’，室内湿度RH大于或等于第一预设湿度Rh时，计算目标温度T的修正值，获得修正后的温度Tx，根据所述修正后的目标温度Tx确定压缩机的工作频率F，根据压缩机的工作频率F确定室内风机的转速R，其中，目标温度T由用户设定。
调节单元6031，还用于根据计算单元6034确定的压缩机的工作频率F相应地调整压缩机的工作频率，根据计算单元6034确定的室内风机的转速R相应地调整室内风机的转速。
在一些实施例中，计算单元6034，用于在第一次进行修正时，根据Tx＝T–Dset获得修正后的温度Tx，第二次及以后进行修正时，根据Tx＝Tx1–Dset获得修正后的 温度Tx。
其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。可选地，Dset为一固定值，或者，Dset为一变量。
在一些实施例中，计算单元6034，用于每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset，具体根据公式(3)计算Dset。
在一些实施例中，计算单元6034，用于根据所述室内温度t与修正后的目标温度Tx的温差PT，和，室内温度的变化DT计算所述压缩机的工作频率F，具体根据公式(4)计算F。
在前述任一实施例中，计算单元6034，用于根据压缩机的工作频率F确定室内风机的转速R，压缩机的频率越高，室内风机的转速R越高。
在一些实施例中，根据表1确定室内风机的转速R。在另一些实施例中，通过计算的方式，具体的，根据公式(2)计算得出室内风机的转速R。
在一些实施例中，当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH大于或等于所述第一预设湿度Rh时，调节单元6031，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制，当室内温度t大于第三预设温度t3，即t3＜t≤t2时，若室内风机的转速R小于或等于设定转速值R’，调节单元6031，调整导风板处于最小出风位置位置，若室内风机的转速R大于设定转速值R’，调整导风板处于最大出风位置；当室内温度t小于或等于第三预设温度t3，即t≤t3时，调节单元6031，调整室内风机以最大转速运行，调整导风板处于最小出风位置，此时室内温度过低，上层空气温度高，底层空气即人体所接触的空气温度低，调整室内风机以最大转速运行，导风板处于最小出风位置，加快上层空气与下层空气的混合速度，从而让用户接触到的空气温度适宜。
在前述任一实施例中，如图7和8所示，用于控制空调的装置，还包括：接收单元6032和切换单元6033。
接收单元6032，用于接收模式切换指令。
切换单元6033，用于根据接收单元6032接收的模式切换指令，从当前运行模式切换进入第一模式运行。
其中，所述第一模式为PMV模式。
在一些实施例中，当空调运行模式切换进入PMV模式运行时，在制冷模式下，根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制时，室内风机的转速由系统根据压缩机的工作频率确定，若在空调运行过程中，用户自行更改室内风机的转速，则空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制，用户根据自身需求不同在空调室内风机的转速不满足自身需求时，自行更改室内风机的转速，空调退出根据第四控制策略对压缩机的工作频率和/或室内风机的转速和导风板的位置进行控制以满足用户的需求。
在一些实施例中，当检测到室内温度t发生变化和湿度发生变化，需要对控制策略进行调整时，维持当前的压缩机的工作频率和室内风机的转速运行第一设定时间后再切换控制策略。
可选地，第一设定时间的范围为30S～90S。优选的，第一设定时间为30S、60S或90S。
本公开还包括一种空调，包括压缩机和室内风机，还包括前述任一实施例所述的装置。
应当理解的是，本文并不局限于上面已经描述并在附图中示出的流程及结构，并且可以在不脱离其范围进行各种修改和改变。本文的范围仅由所附的权利要求来限制。

Claims (28)

  1. 一种用于空调控制的方法，其特征在于，包括：
    在空调制冷模式下，采集室内温度t和室内湿度RH；
    当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；
    当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
  2. 如权利要求1所述的方法，其特征在于，当所述室内温度t小于或等于第一预设温度t1且大于第二预设温度t2时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制；其中，第一预设温度t1大于第二预设温度t2。
  3. 如权利要求1所述的方法，其特征在于，当所述室内温度t小于或等于第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；其中，第一预设温度t1大于第二预设温度t2。
  4. 如权利要求3所述的方法，其特征在于，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制后，还包括：根据压缩机的工作频率或室内风机的转速调整导风板的位置。
  5. 如权利要求2至4任一所述的方法，其特征在于，所述第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。
  6. 如权利要求1所述的方法，其特征在于，所述第一预设温度t1与目标温度T相关联，其中，所述目标温度T由用户设定。
  7. 如权利要求1至4任一所述的方法，其特征在于，所述根据第二控制策略对压缩机的工作频率和导风板的位置进行控制，包括：将压缩机的工作频率F调整至一设定频率f1，将导风板调整至最大出风位置。
  8. 如权利要求所7述的方法，其特征在于，所述根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制包括：
    当所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；
    当所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
  9. 如权利要求8所述的方法，其特征在于，所述第一预设湿度Rh为52％。
  10. 如权利要求8或9所述的方法，其特征在于，所述根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制包括：
    保持压缩机的工作频率和/或室内风机的转速不变；或者，
    利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
  11. 如权利要求10所述的方法，其特征在于，所述利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速，包括：
    确定当前温度值与设定温度值的温度差值与上一次所确定的第一温度差值的温 度偏差值；
    根据所述温度偏差值，确定压缩机的工作频率F并相应地调整压缩机的工作频率；
    根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
  12. 如权利要求11所述的方法，其特征在于，所述根据所述温度偏差值，确定压缩机的工作频率F，按照如下公式计算得到：
    F＝(t1_Ki×Dtn+t1_Kp×Ptn)×C；
    其中，Dtn＝|Ptn–Ptn-1|，Ptn＝|Tn–Tm|，t1_Ki为温度偏差系数，t1_Kp为温差系数，C为工作频率值系数，Dtn为所述温差偏差值，Ptn为所述温度差值，Tn为所述当前温度值，Tm为所述设定温度值。
  13. 如权利要求12所述的方法，其特征在于，当计算的工作频率F大于设定的上限值时，将压缩机的工作频率F设置为所述上限值；当计算的工作频率F小于设定的下限值时，将压缩机的工作频率F设置为所述下限值。
  14. 如权利要求11至13任一所述的方法，其特征在于，根据压缩机的工作频率F确定室内风机的转速R，包括：压缩机的频率越高，室内风机的转速R越高。
  15. 如权利要求14所述的方法，其特征在于，所述根据压缩机的工作频率或室内风机的转速调整导风板的位置，包括：根据室内风机的转速R调整导风板的位置，当室内风机的转速R大于设定转速值R’时，调整导风板处于最大出风位置；当室内风机的转速R小于或等于所述设定转速值R’时，调整导风板处于最小出风位置。
  16. 如权利要求8或9所述的方法，其特征在于，根据第四控制策略对压缩机的工作频率和/或室内风机的转速，包括：对目标温度T进行一次或多次修正，获得修正后的温度Tx；其中，目标温度T由用户设定；根据所述修正后的目标温度Tx确定压缩机的工作频率F并相应地调整压缩机的工作频率；根据压缩机的工作频率F确定室内风机的转速R并相应地调整室内风机的转速。
  17. 如权利要求16所述的方法，其特征在于，对目标温度T进行一次或多次修正，包括：第一次进行修正时，Tx＝T–Dset；第二次及以后进行修正时，Tx＝Tx1–Dset；其中，Tx为本次修正后的温度，Tx1为前一次修正后的温度，Dset为修正值。
  18. 如权利要求17述的方法，其特征在于，每次进行修正时根据室内湿度RH与目标湿度RHm的湿度差Prh，和，室内湿度变化Drh计算所述修正值Dset；其中，Dset＝Int{[RH_Ki×Prh+RH_Kp×Drh]×100}/100；Prh＝RH–RHm，Drh＝RH–RH1，RH1为前一次采集的室内湿度，RH_Kp、RH_Ki分别为设定的加权系数；其中，RH_Kp的选取与系统配置和外界环境温度相关，RH_Ki的选取与系统配置和外界环境温度相关。
  19. 一种用于空调控制的装置，包括用于采集室内温度t的温度传感器和用于采集室内湿度RH的湿度传感器，和微控制单元MCU，其特征在于，所述MCU包括：
    调节单元，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t’时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第一预设温度t’时，根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制。
  20. 如权利要求19所述的装置，其特征在于，所述第一预设温度t’与目标温度T相关联，其中，所述目标温度T由用户设定。
  21. 如权利要求19所述的装置，其特征在于，所述调节单元根据所述室内湿度选择相应的控制策略对所述压缩机的工作频率和/或室内风机的转速进行控制时，具体用于当所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
  22. 如权利要求21所述的装置，其特征在于，所述调节单元根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
  23. 一种用于空调控制的装置，包括用于采集室内温度t的温度传感器和用于采集室内湿度RH的湿度传感器，和微控制单元MCU，其特征在于，所述MCU包括：
    调节单元，用于在空调制冷模式下，当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于第一预设温度t1，且大于第二预设温度t2时，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制；当所述室内温度t小于或等于所述第二预设温度t2时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制，并根据工作频率或室内风机的转速调整导风板的位置。
  24. 如权利要求23所述的装置，其特征在于，所述第一预设温度t1和所述第二预设温度t2与目标温度T相关联，其中，所述目标温度T由用户设定。
  25. 如权利要求23所述的装置，其特征在于，所述调节单元在根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH小于第一预设湿度Rh时，根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制；当所述室内温度t小于或等于所述第二预设温度t2，且所述室内湿度RH大于或等于所述第一预设湿度Rh时，根据第四控制策略对压缩机的工作频率和/或室内风机的转速进行控制。
  26. 如权利要求25所述的装置，其特征在于，所述调节单元在根据第三控制策略对压缩机的工作频率和/或室内风机的转速进行控制时，具体用于保持压缩机的工作频率和/或室内风机的转速不变；或者，利用双温差PID方式控制压缩机的工作频率和/或室内风机的转速。
  27. 一种空调，包括压缩机和室内风机，其特征在于，还包括如权利要求19至26任一项所述的用于空调控制的装置。
  28. 一种用于空调自清洁的控制方法，其特征在于，包括：
    在空调制冷模式下，采集室内温度t和室内湿度RH；
    当所述室内温度t大于第一预设温度t1时，根据第一控制策略对压缩机的工作频率和/或室内风机的转速进行控制；
    当所述室内温度t小于或等于所述第一预设温度t1时，根据所述室内湿度RH选择相应的控制策略对压缩机的工作频率和/或室内风机的转速进行控制；或者，根据第二控制策略对压缩机的工作频率和导风板的位置进行控制。
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