WO2023179041A1 - Procédé et appareil de commande de déshumidificateur à fréquence variable, dispositif électronique et support d'enregistrement - Google Patents

Procédé et appareil de commande de déshumidificateur à fréquence variable, dispositif électronique et support d'enregistrement Download PDF

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Publication number
WO2023179041A1
WO2023179041A1 PCT/CN2022/130505 CN2022130505W WO2023179041A1 WO 2023179041 A1 WO2023179041 A1 WO 2023179041A1 CN 2022130505 W CN2022130505 W CN 2022130505W WO 2023179041 A1 WO2023179041 A1 WO 2023179041A1
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WIPO (PCT)
Prior art keywords
temperature
dew point
compressor
humidity
dehumidifier
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PCT/CN2022/130505
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English (en)
Chinese (zh)
Inventor
张新朝
耿宝寒
胡志刚
孙帅辉
Original Assignee
青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2023179041A1 publication Critical patent/WO2023179041A1/fr

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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
    • 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
    • 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
    • F24F11/88—Electrical aspects, e.g. 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • 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
    • 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

  • variable frequency dehumidifiers for example, to a method and device, electronic equipment, and storage media for controlling a variable frequency dehumidifier.
  • variable frequency dehumidifier adjusts the frequency of the variable frequency dehumidifier compressor according to the indoor humidity, ignoring the impact of temperature on humidity, resulting in the variable frequency dehumidifier. Humidity regulation is not precise.
  • Embodiments of the present disclosure provide a method and device, electronic equipment, and storage media for controlling a variable frequency dehumidifier, so as to improve the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the method of controlling a variable frequency dehumidifier includes: obtaining the inlet air temperature and the inlet air humidity of the inlet air; obtaining the outlet air temperature and the outlet air humidity of the outlet air; according to the The inlet air temperature, the inlet air humidity, the outlet air temperature and the outlet air humidity are used to obtain the dew point difference between the inlet and outlet air; the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference, so as to Adjust the humidity in a preset area.
  • the device for controlling a variable frequency dehumidifier includes a processor and a memory storing program instructions.
  • the processor is configured to execute the above-mentioned method for controlling the variable frequency dehumidifier when running the program instructions. Dehumidifier method.
  • the electronic device includes the above-mentioned device for controlling a variable frequency dehumidifier.
  • the storage medium stores program instructions that, when running, execute the above-mentioned method for controlling a variable frequency dehumidifier.
  • the methods and devices, electronic equipment, and storage media for controlling a variable frequency dehumidifier can achieve the following technical effects: by obtaining the inlet air temperature and the inlet air humidity, the outlet air temperature can be obtained. Based on the air temperature and outlet air humidity, the dew point difference between the inlet and outlet air is obtained based on the inlet air temperature, inlet air humidity, outlet air temperature and outlet air humidity, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed based on the dew point difference. To adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference, taking into account the influence of temperature on humidity.
  • Variable frequency dehumidifier regulates humidity with precision.
  • Figure 1 is a schematic diagram of a method for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 2 is a schematic diagram of another method for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 3 is a schematic diagram of another method for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 4 is a schematic diagram of another method for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 5 is a schematic diagram of a device for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 6 is a schematic diagram of another device for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure
  • Figure 7 is a schematic diagram of another device for controlling a variable frequency dehumidifier provided by an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of an electronic device provided by an embodiment of the present disclosure, taking a variable frequency dehumidifier as an example.
  • A/B means: A or B.
  • a and/or B means: A or B, or A and B.
  • correspondence can refer to an association relationship or a binding relationship.
  • correspondence between A and B refers to an association relationship or a binding relationship between A and B.
  • electronic equipment is used to obtain the inlet air temperature, the inlet air humidity, the outlet air temperature and the outlet air humidity.
  • the inlet air temperature the inlet air humidity
  • the dew point difference of the incoming and outgoing air is obtained by using the wind humidity, the outgoing air temperature and the outgoing air humidity, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference of the incoming and outgoing air to control the preset area.
  • Humidity is adjusted, taking into account the impact of temperature on humidity, improving the accuracy of the variable frequency dehumidifier in regulating humidity.
  • an embodiment of the present disclosure provides a method for controlling a variable frequency dehumidifier, including:
  • Step S101 The electronic device obtains the inlet air temperature and the inlet air humidity of the inlet air; the electronic device obtains the outlet air temperature and the outlet air humidity of the outlet air.
  • Step S102 The electronic device obtains the dew point difference of the inlet and outlet air based on the inlet air temperature, the inlet air humidity, the outlet air temperature, and the outlet air humidity.
  • Step S103 The electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference between the incoming and outgoing air to adjust the humidity in the preset area.
  • the outlet air temperature and the outlet air humidity of the outlet air are obtained.
  • inlet air Temperature inlet air humidity, outlet air temperature and outlet air humidity are used to obtain the dew point difference between the inlet and outlet air, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference to adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. Improved the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device includes a server or a variable frequency dehumidifier.
  • the server obtains the inlet air temperature and the inlet air humidity through the following method: the server receives the inlet air temperature and the inlet air humidity sent by the variable frequency dehumidifier. Wind humidity.
  • the server obtains the outlet air temperature and the outlet air humidity of the air through the following method: the server receives the outlet air temperature and the outlet air humidity sent by the variable frequency dehumidifier. Wind humidity.
  • the variable frequency dehumidifier obtains the inlet air temperature and the inlet air humidity of the incoming air through the following method: the variable frequency dehumidifier detects the temperature of the air inlet through the first temperature sensor, Obtain the inlet air temperature; the variable frequency dehumidifier detects the humidity of the air inlet through the first humidity sensor to obtain the inlet air humidity.
  • the first temperature sensor and the first humidity sensor are disposed at the air inlet of the variable frequency dehumidifier.
  • variable frequency dehumidifier obtains the outlet air temperature and the outlet air humidity of the air through the following method: the variable frequency dehumidifier detects the temperature of the air outlet through the second temperature sensor, Obtain the outlet air temperature; the variable frequency dehumidifier detects the humidity of the air outlet through the second humidity sensor to obtain the outlet air humidity.
  • the second temperature sensor and the second humidity sensor are disposed at the air outlet of the variable frequency dehumidifier.
  • variable frequency dehumidifier obtains the outlet air temperature and the outlet air humidity of the air through the following methods: the variable frequency dehumidifier obtains the outlet air humidity set by the user; the variable frequency dehumidifier obtains the outlet air humidity set by the user; The machine detects the humidity of the air outlet through the second humidity sensor to obtain the air outlet humidity.
  • the outlet air humidity and inlet air humidity are absolute humidity.
  • the electronic device obtains the dew point difference between the inlet and outlet air based on the inlet air temperature, inlet air humidity, outlet air temperature and outlet air humidity, including: the electronic device obtains the inlet air dew point of the variable frequency dehumidifier based on the inlet air temperature and inlet air humidity. temperature; the electronic device obtains the outlet dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity; the electronic device obtains the dew point difference based on the inlet air dew point temperature and the outlet air dew point temperature.
  • the electronic device obtains the inlet air dew point temperature of the variable frequency dehumidifier through the inlet air temperature and the inlet air humidity, obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity, and obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the inlet air dew point temperature and outlet air dew point.
  • the temperature obtains the dew point difference, so that the variable frequency dehumidifier can change the compressor frequency of the compressor according to the dew point difference, taking into account the influence of temperature on humidity, and improving the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device obtains the inlet dew point temperature of the variable frequency dehumidifier based on the inlet air temperature and the inlet air humidity, including: the electronic device searches for the isotherm corresponding to the inlet air temperature and the inlet air humidity in the preset enthalpy-humidity diagram.
  • the dew point temperature corresponding to the intersection point between equal relative humidity lines is determined as the inlet air dew point temperature of the variable frequency dehumidifier.
  • the electronic device obtains the inlet air dew point temperature of the variable frequency dehumidifier based on the inlet air temperature and inlet air humidity, including: the electronic device searches for the dew point corresponding to both the inlet air temperature and the inlet air humidity in the preset dew point temperature data table. Temperature; the preset dew point temperature data table stores the corresponding relationship between temperature, humidity and dew point temperature; the dew point temperature corresponding to the inlet air temperature and the inlet air humidity is determined as the inlet air dew point temperature of the variable frequency dehumidifier.
  • the electronic device obtains the outlet dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity, including: the electronic device searches for the isotherm corresponding to the outlet air temperature and the outlet air humidity in a preset enthalpy-humidity diagram.
  • the dew point temperature corresponding to the intersection between equal relative humidity lines is determined as the outlet dew point temperature of the variable frequency dehumidifier; optionally, the preset enthalpy-humidity diagram stores the corresponding relationship between temperature, relative humidity and dew point temperature. .
  • the electronic device obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity, including: the electronic device searches for the dew point corresponding to the outlet air temperature and outlet air humidity in a preset dew point temperature data table. Temperature; the preset dew point temperature data table stores the corresponding relationship between temperature, humidity and dew point temperature; the dew point temperature corresponding to the outlet air temperature and outlet air humidity is determined as the outlet air dew point temperature of the variable frequency dehumidifier.
  • the electronic device obtains the dew point difference based on the inlet air dew point temperature and the outlet air dew point temperature, including: the electronic device determines the difference between the inlet air dew point temperature and the outlet air dew point temperature as the inlet and outlet air dew point difference.
  • the difference between the inlet air dew point temperature and the outlet air dew point temperature is determined as the dew point difference of the inlet and outlet air, so that the compressor frequency of the compressor of the variable frequency dehumidifier can be changed according to the dew point difference, taking into account the temperature versus humidity
  • the influence of the variable frequency dehumidifier improves the accuracy of adjusting humidity.
  • the electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference to adjust the humidity in the preset area, including: the electronic device determines the difference range in which the dew point difference lies; the electronic device determines The target compressor frequency corresponding to the difference range; the electronic device adjusts the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area.
  • the humidity in the preset area is adjusted. In this way, the humidity is adjusted according to the dew point difference between the inlet and outlet air, which improves the accuracy of the variable frequency dehumidifier in adjusting humidity.
  • the electronic device determines the difference range in which the dew point difference exists, including: the electronic device searches for the difference range corresponding to the dew point difference in a preset dew point difference range data table.
  • the electronic device determines the difference range in which the dew point difference lies, including: when the dew point difference is greater than the first preset difference, the electronic device determines that the difference range in which the dew point difference lies is the first preset difference. Set a range; when the dew point difference is greater than the second preset difference and the dew point difference is less than or equal to the first preset difference, the electronic device determines that the difference range in which the dew point difference is located is the second preset range; When the dew point difference is greater than the third preset difference and the dew point difference is less than or equal to the second preset difference, the electronic device determines that the difference range in which the dew point difference is located is the third preset range; the electronic device When the dew point difference is greater than the fourth preset difference and the dew point difference is less than or equal to the third preset difference, the difference range in which the dew point difference is located is determined to be the fourth preset range; the electronic device is in the dew point difference range.
  • the difference range in which the dew point difference is located is determined to be the fifth preset range.
  • the first preset difference is greater than the second preset difference; the second preset difference is greater than the third preset difference; the third preset difference is greater than the fourth preset difference; the fourth preset difference is The difference is greater than the fifth preset difference.
  • the first preset difference value is 8; the second preset difference value is 5; the third preset difference value is 2; and the fourth preset difference value is -1.
  • the electronic device determines the target compressor frequency corresponding to the difference range, including: the electronic device searches for the target compressor frequency corresponding to the difference range in a preset target compressor frequency data table; the preset target compressor frequency The correspondence between the target compressor frequency and the difference range is stored in the data table.
  • the electronic device can accurately obtain the target compressor frequency by searching the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table, so as to change the compressor frequency of the compressor to the target compressor frequency, can accurately adjust the humidity in the preset area, improving the accuracy of the variable frequency dehumidifier in adjusting humidity.
  • the first preset difference is 8, the dew point difference is 10, the dew point difference is greater than the first preset difference, and the electronic device determines that the difference range in which the dew point difference is located is the first preset range. , that is, (8, + ⁇ ]; where ⁇ is the infinity symbol; the electronic device searches for the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table, that is, the highest frequency set by the compressor , is 64Hz, which means that the dehumidification requirement of the variable frequency dehumidifier is the highest, and then the electronic device adjusts the compressor frequency of the compressor to 64Hz to adjust the humidity in the preset area.
  • variable frequency dehumidifier the dehumidification efficiency of the variable frequency dehumidifier can be guaranteed. It can also ensure the reliability of the system temperature and pressure of the internal refrigeration cycle of the variable frequency dehumidifier, ensuring the safety of users using the variable frequency dehumidifier.
  • the first preset difference value is 8, the second preset difference value is 5, the dew point difference value is 7, the dew point difference value is greater than the second preset difference value and the dew point difference value is less than or equal to the first preset difference value.
  • the electronic device determines that the difference range in which the dew point difference is located is the second preset range, that is, (5, 8].
  • the electronic device searches for the corresponding difference range in the preset target compressor frequency data table.
  • the target compressor frequency that is, the second highest frequency set by the compressor, is 44Hz, which means that the dehumidification requirement of the variable frequency dehumidifier is the second highest.
  • the electronic device adjusts the compressor frequency of the compressor to 44Hz to control the dehumidification of the preset area. Humidity is adjusted.
  • the third preset difference value is 2, the second preset difference value is 5, the dew point difference value is 4, the dew point difference value is greater than the third preset difference value and the dew point difference value is less than or equal to the second preset difference value.
  • the electronic device determines that the difference range in which the dew point difference is located is the third preset range, that is, (2, 5].
  • the electronic device searches for the corresponding difference range in the preset target compressor frequency data table.
  • the target compressor frequency that is, the medium and low frequency set by the compressor, is 28Hz, which means that the dehumidification requirement of the variable frequency dehumidifier is medium and low. Then the electronic device adjusts the compressor frequency of the compressor to 28Hz to control the preset area. adjust the humidity.
  • the third preset difference value is 2, the fourth preset difference value is -1, the dew point difference value is 1, the dew point difference value is greater than the fourth preset difference value and the dew point difference value is less than or equal to the third Preset difference value, the electronic device determines that the difference range in which the dew point difference is located is the fourth preset range, that is, (-1, 2], and the electronic device searches for the difference value in the preset target compressor frequency data table
  • the target compressor frequency corresponding to the range, that is, the low frequency set by the compressor, is 16Hz, which means that the dehumidification requirements of the variable frequency dehumidifier are low.
  • the electronic device adjusts the compressor frequency of the compressor to 16Hz to control the dehumidification of the preset area. Humidity is adjusted.
  • the fourth preset difference is -1
  • the dew point difference is -5
  • the dew point difference is less than or equal to the fourth preset difference
  • the electronic device determines that the dew point difference is in a difference range of Five preset ranges, namely (- ⁇ , -1]
  • the electronic device searches for the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table, that is, the lowest frequency set by the compressor, which is 0Hz means that the variable frequency dehumidifier has no dehumidification requirements, and then the electronic device adjusts the compressor frequency of the compressor to 0Hz, controls the compressor to stop, and does not adjust the humidity in the preset area.
  • the electronic device searches for the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table, so that the compressor can operate at its corresponding target compressor frequency according to the dehumidification demand of the variable frequency dehumidifier, which improves efficiency.
  • Variable frequency dehumidifier regulates humidity with precision.
  • an embodiment of the present disclosure provides a method for controlling a variable frequency dehumidifier, including:
  • Step S201 the electronic device obtains the inlet air temperature and the inlet air humidity of the inlet air; the electronic device obtains the outlet air temperature and the outlet air humidity of the outlet air.
  • Step S202 The electronic device obtains the inlet air dew point temperature of the variable frequency dehumidifier based on the inlet air temperature and the inlet air humidity; the electronic device obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity.
  • Step S203 The electronic device determines the difference between the inlet air dew point temperature and the outlet air dew point temperature as the dew point difference between the inlet and outlet air.
  • Step S204 The electronic device determines the difference range within which the dew point difference exists.
  • Step S205 the electronic device searches for the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table; the preset target compressor frequency data table stores the distance between the target compressor frequency and the difference range. Correspondence.
  • step S206 the electronic device adjusts the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area.
  • the inlet air dew point temperature and the outlet air dew point temperature are obtained through the inlet air temperature, the inlet air humidity, the outlet air temperature and the outlet air humidity, and the inlet air dew point temperature and the outlet air dew point temperature are obtained.
  • the difference between the wind dew point temperature is determined as the dew point difference between the inlet and outlet air, determine the difference range where the dew point difference lies, and find the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table. , adjust the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. Improved the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference, it also includes: the electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier; the electronic device adjusts the frequency of the compressor according to the coil temperature. Compressor frequency.
  • the electronic device changes the compressor frequency of the compressor of the inverter dehumidifier according to the dew point difference, the compressor frequency of the compressor is adjusted by the coil temperature of the evaporator of the inverter dehumidifier, and dehumidification can be performed using the inverter dehumidifier.
  • the electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier, including: the electronic device receives the coil temperature of the evaporator sent by the variable frequency dehumidifier.
  • the electronic device when the electronic device is a variable frequency dehumidifier, the electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier, including: the electronic device obtains a temperature detector and detects the coil temperature of the evaporator.
  • the temperature detector is a third temperature sensor.
  • an embodiment of the present disclosure provides a method for controlling a variable frequency dehumidifier, including:
  • Step S301 The electronic device obtains the inlet air temperature and the inlet air humidity of the inlet air; the electronic device obtains the outlet air temperature and the outlet air humidity of the outlet air.
  • Step S302 The electronic device obtains the dew point difference between the inlet and outlet air based on the inlet air temperature, inlet air humidity, outlet air temperature and outlet air humidity.
  • Step S303 The electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference to adjust the humidity in the preset area.
  • Step S304 The electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier.
  • Step S305 The electronic device adjusts the compressor frequency of the compressor according to the coil temperature.
  • the outlet air temperature and the outlet air humidity of the outlet air are obtained.
  • inlet air Temperature inlet air humidity, outlet air temperature and outlet air humidity are used to obtain the dew point difference between the inlet and outlet air.
  • the compressor frequency of the variable frequency dehumidifier is changed to adjust the humidity in the preset area and adjust the temperature according to the panel.
  • Tube temperature regulates the compressor frequency of the compressor.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity.
  • Adjusting the coil temperature of the evaporator improves the heat exchange efficiency of the evaporator, reduces the problem of poor cooling effect due to frost on the evaporator surface, and improves the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device adjusts the compressor frequency of the compressor according to the coil temperature, including: the electronic device reduces compression when the coil temperature is less than or equal to the first preset temperature and the coil temperature is greater than the second preset temperature.
  • the compressor frequency of the compressor and/or, the electronic device adjusts the compressor frequency of the compressor to the preset frequency when the coil temperature is less than or equal to the second preset temperature.
  • the compressor frequency of the compressor is reduced, and when the coil temperature is less than or equal to the second preset temperature Under the condition, the compressor frequency of the compressor is adjusted to the preset frequency, which can adjust the temperature of the evaporator, reducing the problem of poor cooling effect of the evaporator due to frost on the surface of the evaporator, thus improving the efficiency of the variable frequency dehumidifier. Precision in regulating humidity.
  • the electronic device controls the compressor frequency of the compressor to no longer increase.
  • the third preset temperature is 1°C
  • the first preset temperature is -1°C
  • the coil temperature of the evaporator is 0°C
  • the coil temperature of the evaporator is less than or equal to the third preset temperature and
  • the electronic device controls the compressor's compressor frequency no longer to increase.
  • the first preset temperature is -1°C
  • the second preset temperature is -4°C
  • the coil temperature of the evaporator is -3°C
  • the coil temperature of the evaporator is less than or equal to the first preset temperature.
  • temperature and the coil temperature is greater than the second preset temperature, the electronic device reduces the compressor frequency of the compressor.
  • the preset frequency is 0 Hz
  • the second preset temperature is -4°C
  • the coil temperature of the evaporator is -5°C
  • the coil temperature of the evaporator is less than or equal to the second preset temperature
  • the electronic device Adjust the compressor frequency of the compressor to the preset frequency, that is, 0Hz, so that the variable frequency dehumidifier does not need to continue dehumidification when the evaporator surface is severely frosted, making it more intelligent and energy-saving.
  • the electronic device adjusts the compressor frequency of the compressor to the preset frequency when the coil temperature is less than or equal to the second preset temperature, including: the electronic device adjusts the compressor frequency of the compressor to the preset frequency when the coil temperature is less than or equal to the second preset temperature. If the coil temperature is less than or equal to the second preset temperature, the duration is obtained; if the duration is greater than or equal to the preset time, the compressor frequency of the compressor is adjusted to the preset frequency. In this way, the frost on the surface of the evaporator can be reduced, so that a large amount of frost will not form on the surface of the evaporator, and the occurrence of the evaporator being wrapped in frost can be reduced.
  • the preset frequency is 0Hz
  • the preset time is 300s
  • the second preset temperature is -4°C
  • the coil temperature of the evaporator is -5°C
  • the coil temperature of the evaporator is less than or equal to the second If the coil temperature is less than or equal to the second preset temperature, the duration for which the coil temperature is less than or equal to the second preset temperature is obtained, 305s; if the duration for which the coil temperature is less than or equal to the second preset temperature is greater than the preset time of 300s, then the compressor The frequency is adjusted to the preset frequency, which is 0Hz.
  • an embodiment of the present disclosure provides a method for controlling a variable frequency dehumidifier, including:
  • Step S401 the electronic device obtains the inlet air temperature and the inlet air humidity of the inlet air; the electronic device obtains the outlet air temperature and the outlet air humidity of the outlet air;
  • Step S402 the electronic device obtains the inlet air dew point temperature of the variable frequency dehumidifier based on the inlet air temperature and the inlet air humidity; the electronic device obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity;
  • Step S403 The electronic device determines the difference between the inlet air dew point temperature and the outlet air dew point temperature as the dew point difference of the inlet and outlet air.
  • Step S404 The electronic device determines the difference range within which the dew point difference exists.
  • Step S405 the electronic device searches for the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table; the preset target compressor frequency data table stores the distance between the target compressor frequency and the difference range. Correspondence.
  • step S406 the electronic device adjusts the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area.
  • Step S407 The electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier.
  • Step S408 The electronic device reduces the compressor frequency of the compressor when the coil temperature is less than or equal to the first preset temperature; and/or the electronic device reduces the compressor frequency when the coil temperature is less than or equal to the second preset temperature. , adjust the compressor frequency of the compressor to the preset frequency.
  • the inlet air dew point temperature and the outlet air dew point temperature are obtained through the inlet air temperature, the inlet air humidity, the outlet air temperature and the outlet air humidity, and the inlet air dew point temperature and the outlet air dew point temperature are obtained.
  • the difference between the wind dew point temperature is determined as the dew point difference between the inlet and outlet air, determine the difference range where the dew point difference lies, and find the target compressor frequency corresponding to the difference range in the preset target compressor frequency data table. , adjust the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area, and adjust the compressor frequency of the compressor according to the coil temperature.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity.
  • Adjusting the coil temperature of the evaporator improves the heat exchange efficiency of the evaporator, reduces the problem of poor cooling effect due to frost on the evaporator surface, and improves the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference, it also includes: the electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier; the electronic device adjusts the frequency of the compressor in the preset target wind speed data table Find the target wind speed corresponding to the coil temperature; the preset target wind speed data table stores the corresponding relationship between the target wind speed and the coil temperature; adjust the wind speed of the fan to the target wind speed.
  • the electronic device changes the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference
  • it also includes: the electronic device obtains the coil temperature of the evaporator of the variable frequency dehumidifier; the electronic device adjusts the frequency of the compressor in the preset target wind speed data table Find the target wind speed corresponding to the coil temperature; the preset target wind speed data table stores the corresponding relationship between the target wind speed and the coil temperature; adjust the wind speed of the fan to the target wind speed.
  • an embodiment of the present disclosure provides a device 50 for controlling a variable frequency dehumidifier, including: a first acquisition module 1 , a second acquisition module 2 and a first adjustment module 3 .
  • the first acquisition module 1 is configured to acquire the inlet air temperature and the inlet air humidity of the inlet air; acquire the outlet air temperature and outlet air humidity of the outlet air;
  • the second acquisition module 2 is configured to acquire the inlet air temperature according to the inlet air temperature. , inlet air humidity, outlet air temperature and outlet air humidity to obtain the dew point difference of the inlet and outlet air;
  • the first adjustment module 3 is configured to change the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference to adjust the frequency of the compressor in the preset area. Humidity is adjusted.
  • the device 50 for controlling the variable frequency dehumidifier provided by the embodiment of the present disclosure, by obtaining the inlet air temperature and the inlet air humidity, the outlet air temperature and the outlet air humidity are obtained, and according to the inlet air temperature, the outlet air temperature and the outlet air humidity are obtained.
  • the wind temperature, inlet air humidity, outlet air temperature and outlet air humidity are used to obtain the dew point difference between the inlet and outlet air, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference to adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. Improved the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the second acquisition module is configured to obtain the dew point difference value of the inlet and outlet air according to the inlet air temperature, inlet air humidity, outlet air temperature and outlet air humidity through the following method: obtain the variable frequency dehumidifier according to the inlet air temperature and inlet air humidity.
  • the inlet air dew point temperature obtains the outlet air dew point temperature of the variable frequency dehumidifier based on the outlet air temperature and outlet air humidity; obtain the dew point difference based on the inlet air dew point temperature and outlet air dew point temperature.
  • the second acquisition module is configured to obtain the dew point difference value according to the inlet air dew point temperature and the outlet air dew point temperature through the following method: determine the difference between the inlet air dew point temperature and the outlet air dew point temperature as the dew point of the inlet and outlet air difference.
  • the first adjustment module is configured to change the compressor frequency of the compressor of the variable frequency dehumidifier according to the dew point difference to adjust the humidity in the preset area by: determining the difference range in which the dew point difference lies. ; Determine the target compressor frequency corresponding to the difference range; adjust the compressor frequency of the compressor to the target compressor frequency to adjust the humidity in the preset area.
  • the first adjustment module is configured to determine the target compressor frequency corresponding to the difference range through the following method: searching for the target compressor frequency corresponding to the difference range in a preset target compressor frequency data table;
  • the target compressor frequency data table stores the corresponding relationship between the target compressor frequency and the difference range.
  • the device 50 for controlling a variable frequency dehumidifier also includes: a third acquisition module 4 and a second adjustment module 5 .
  • the third acquisition module 4 is configured to acquire the coil temperature of the evaporator of the variable frequency dehumidifier; the second adjustment module 5 is configured to adjust the compressor frequency of the compressor according to the coil temperature.
  • the device 50 for controlling the variable frequency dehumidifier provided by the embodiment of the present disclosure, by obtaining the inlet air temperature and the inlet air humidity, the outlet air temperature and the outlet air humidity are obtained, and according to the inlet air temperature, the outlet air temperature and the outlet air humidity are obtained.
  • the air temperature, inlet air humidity, outlet air temperature and outlet air humidity are used to obtain the dew point difference between the inlet and outlet air, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference to adjust the humidity in the preset area.
  • the evaporator coil temperature regulates the compressor frequency of the compressor.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. It improves the accuracy of the variable frequency dehumidifier in adjusting humidity. At the same time, it adjusts the compressor frequency of the compressor according to the coil temperature of the evaporator, which can improve the heat exchange efficiency of the evaporator while dehumidifying, and reduce the cost of the evaporator. Frost on its surface causes the evaporator to have poor cooling effect, thereby improving the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the second adjustment module is configured to adjust the compressor frequency of the compressor based on the coil temperature by: reducing the compressor frequency of the compressor if the coil temperature is less than or equal to the first preset temperature; and/or, if the coil temperature is less than or equal to the second preset temperature, adjust the compressor frequency of the compressor to the preset frequency.
  • an embodiment of the present disclosure provides a device 60 for controlling a variable frequency dehumidifier, including a processor 100 and a memory 101 .
  • the device 60 may also include a communication interface (Communication Interface) 102 and a bus 103.
  • Communication interface 102 may be used for information transmission.
  • the processor 100 can call logical instructions in the memory 101 to execute the method for controlling the variable frequency dehumidifier in the above embodiment.
  • the above-mentioned logical instructions in the memory 101 can be implemented in the form of software functional units and can be stored in a computer-readable storage medium when sold or used as an independent product.
  • the memory 101 can be used to store software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure.
  • the processor 100 executes the program instructions/modules stored in the memory 101 to execute functional applications and data processing, that is, to implement the method for controlling the variable frequency dehumidifier in the above embodiment.
  • the memory 101 may include a stored program area and a stored data area, wherein the stored program area may store an operating system and at least one application program required for a function; the stored data area may store data created according to the use of the terminal device, etc.
  • the memory 101 may include a high-speed random access memory and may also include a non-volatile memory.
  • the device 60 for controlling the variable frequency dehumidifier provided by the embodiment of the present disclosure, by obtaining the inlet air temperature and the inlet air humidity of the inlet air, the outlet air temperature and the outlet air humidity of the outlet air are obtained. According to the inlet air temperature The wind temperature, inlet air humidity, outlet air temperature and outlet air humidity are used to obtain the dew point difference between the inlet and outlet air, and the compressor frequency of the compressor of the variable frequency dehumidifier is changed according to the dew point difference to adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. Improved the accuracy of the variable frequency dehumidifier in regulating humidity.
  • An embodiment of the present disclosure provides an electronic device 10, including the above-mentioned device 50 (60) for controlling a variable frequency dehumidifier.
  • the electronic device obtains the outlet air temperature and outlet air humidity of the inlet air by acquiring the inlet air temperature and the inlet air humidity.
  • the inlet air temperature, inlet air humidity, outlet air temperature and outlet air humidity Obtain the dew point difference between the inlet and outlet air, and change the compressor frequency of the variable frequency dehumidifier according to the dew point difference to adjust the humidity in the preset area.
  • the dew point difference of the inlet and outlet air is obtained by using the inlet air temperature and the outlet air temperature, so as to change the compressor frequency of the variable frequency dehumidifier compressor according to the dew point difference, taking into account the influence of temperature on humidity. Improved the accuracy of the variable frequency dehumidifier in regulating humidity.
  • the electronic device includes a server or a variable frequency dehumidifier.
  • an embodiment of the present disclosure provides an electronic device 10 , taking a variable frequency dehumidifier as an example, including the above-mentioned device 50 ( 60 ) for controlling the variable frequency dehumidifier.
  • the electronic device 10 of the embodiment of the present disclosure also includes: a main body of the device, and the above-mentioned device 50 (60) for controlling the variable frequency dehumidifier.
  • the device 50 (60) for controlling the variable frequency dehumidifier is installed on the main body of the device.
  • the installation relationship described here is not limited to placement inside the electronic device, but also includes installation connections with other components of the electronic device, including but not limited to physical connections, electrical connections, or signal transmission connections.
  • the device 50 (60) for controlling the variable frequency dehumidifier can be adapted to the feasible equipment body, thereby realizing other feasible embodiments.
  • the embodiment of the present disclosure provides a computer program, which when the computer program is executed by a computer, causes the computer to implement the above method of controlling a variable frequency dehumidifier.
  • Embodiments of the present disclosure provide a computer program product.
  • the computer program product includes computer instructions stored on a computer-readable storage medium. When the program instructions are executed by a computer, the computer is caused to implement the above-mentioned control of the variable frequency dehumidifier. Methods.
  • An embodiment of the present disclosure provides a storage medium that stores computer-executable instructions, and the computer-executable instructions are configured to execute the above method for controlling a variable frequency dehumidifier.
  • Embodiments of the present disclosure provide a computer program product.
  • the computer program product includes a computer program stored on a computer-readable storage medium.
  • the computer program includes program instructions. When the program instructions are executed by a computer, the The computer executes the above method for controlling the variable frequency dehumidifier.
  • the above-mentioned computer-readable storage medium may be a transient computer-readable storage medium or a non-transitory computer-readable storage medium.
  • the technical solution of the embodiments of the present disclosure may be embodied in the form of a software product.
  • the computer software product is stored in a storage medium and includes one or more instructions to enable a computer device (which may be a personal computer, a server, or a network equipment, etc.) to perform all or part of the steps of the method described in the embodiments of the present disclosure.
  • the aforementioned storage media can be non-transitory storage media, including: U disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disk or optical disk, etc.
  • the term “and/or” as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed items.
  • the term “comprise” and its variations “comprises” and/or “comprising” etc. refer to stated features, integers, steps, operations, elements, and/or The presence of a component does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groupings of these.
  • an element defined by the statement “comprises a" does not exclude the presence of additional identical elements in a process, method or apparatus including the stated element.
  • each embodiment may focus on its differences from other embodiments, and the same and similar parts among various embodiments may be referred to each other.
  • the relevant parts can be referred to the description of the method part.
  • the disclosed methods and products can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units may only be a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components may be combined. Either it can be integrated into another system, or some features can be ignored, or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, indirect coupling or communication connection of devices or units, and may be in electrical, mechanical or other forms.
  • each functional unit in the embodiment of the present disclosure may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit.
  • each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more components for implementing the specified logical function(s).
  • Executable instructions may be included in the block.
  • the functions noted in the block may occur out of the order noted in the figures. For example, two consecutive blocks may actually execute substantially in parallel, or they may sometimes execute in the reverse order, depending on the functionality involved.

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  • General Engineering & Computer Science (AREA)
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Abstract

La présente demande se rapporte au domaine technique des déshumidificateurs à fréquence variable, et divulgue un procédé de commande de déshumidificateur à fréquence variable, comprenant : l'obtention d'une température d'entrée d'air d'une entrée d'air et d'une humidité d'entrée d'air de l'entrée d'air ; l'obtention d'une température de sortie d'air d'une sortie d'air et de l'humidité de sortie d'air de la sortie d'air ; l'obtention d'une valeur de différence de point de rosée d'entrée / de sortie d'air en fonction de la température d'entrée d'air de l'entrée d'air, de l'humidité d'entrée d'air de l'entrée d'air, de la température de sortie d'air de la sortie d'air et de l'humidité de sortie d'air de la sortie d'air ; et la modification de la fréquence d'un compresseur du déshumidificateur à fréquence variable en fonction de la valeur de différence de point de rosée d'entrée / de sortie d'air de façon à régler l'humidité d'une région prédéfinie. De cette manière, la valeur de différence de point de rosée d'entrée / de sortie d'air est obtenue au moyen de la température d'entrée d'air de l'entrée d'air et de la température de sortie d'air de la sortie d'air, de telle sorte que la fréquence du compresseur du déshumidificateur à fréquence variable peut être modifiée en fonction de la valeur de différence de point de rosée, en tenant compte de l'influence de la température sur l'humidité, ce qui permet d'améliorer la précision de réglage d'humidité du déshumidificateur à fréquence variable. La présente demande divulgue en outre un appareil de commande de déshumidificateur à fréquence variable, un dispositif électronique et un support d'enregistrement.
PCT/CN2022/130505 2022-03-21 2022-11-08 Procédé et appareil de commande de déshumidificateur à fréquence variable, dispositif électronique et support d'enregistrement WO2023179041A1 (fr)

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