US20120247133A1 - Air-conditioning apparatus with manual dehumidifying function and method for operating the same - Google Patents

Air-conditioning apparatus with manual dehumidifying function and method for operating the same Download PDF

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Publication number
US20120247133A1
US20120247133A1 US13/207,219 US201113207219A US2012247133A1 US 20120247133 A1 US20120247133 A1 US 20120247133A1 US 201113207219 A US201113207219 A US 201113207219A US 2012247133 A1 US2012247133 A1 US 2012247133A1
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Prior art keywords
air
conditioning apparatus
dehumidifying
control unit
operating
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Abandoned
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US13/207,219
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English (en)
Inventor
Hui-Chien Kao
Jen-Te Liang
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Delta Electronics Inc
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Delta Electronics Inc
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Assigned to DELTA ELECTRONICS, INC. reassignment DELTA ELECTRONICS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: KAO, HUI-CHIEN, LIANG, JEN-TE
Publication of US20120247133A1 publication Critical patent/US20120247133A1/en
Abandoned legal-status Critical Current

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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
    • F24F11/0008—Control or safety arrangements for air-humidification
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • F24F11/523—Indication arrangements, e.g. displays for displaying temperature data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • 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
    • F24F3/1405—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 in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52—Indication arrangements, e.g. displays
    • 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

  • the present invention relates generally to an air-conditioning apparatus with a dehumidifying function and a method for operating the same, and more particularly to an air-conditioning apparatus with a dehumidifying function and a method for operating the same, which are applied to an equipment room for air conditioning and dehumidifying the equipment room.
  • An equipment room is usually to be in an over-high humidity condition because the door of the equipment room is unclosed when an air conditioner is initially installed or operated. Hence, server hosts or other equipment in the equipment room would be damaged due to corroded circuits under the over-high humidity environment. Under this condition, a good dehumidifying way needs to be used to solve the above-mentioned problem.
  • an air-conditioning apparatus with a manual dehumidifying function and a method for operating the same to provide a good air regulation of the equipment room, thus ensuring that the server hosts or other equipment can normally work.
  • an air-conditioning apparatus with a manual dehumidifying function is disclosed.
  • the air-conditioning apparatus is applied to an equipment room for air conditioning and dehumidifying the equipment room.
  • the air-conditioning apparatus includes a control unit, a temperature-sensing unit, a humidity-sensing unit, a display unit, an operation unit, a water control unit, and an air control unit.
  • the temperature-sensing unit is electrically connected to the control unit for sensing an ambient temperature.
  • the humidity-sensing unit is electrically connected to the control unit for sensing an ambient relative humidity.
  • the display unit is electrically connected to the control unit for displaying the ambient temperature sensed through the temperature-sensing unit and the ambient relative humidity sensed through the humidity-sensing unit.
  • the operation unit is electrically connected to the control unit for operating the air-conditioning apparatus to execute a manual dehumidifying operation or a manual air-conditioning operation.
  • the water control unit is electrically connected to the control unit for dehumidifying air flowed into the air-conditioning apparatus through a condensation operation.
  • the air control unit is electrically connected to the control unit for sending the dehumidified air out the air-conditioning apparatus.
  • a method for operating an air-conditioning apparatus with a manual dehumidifying function for air conditioning and dehumidifying an equipment room includes the following steps: First, a temperature-sensing unit and a humidity-sensing unit are provided to sense an ambient temperature and an ambient relative humidity, respectively. Afterward, a display unit is provided to display the ambient temperature and the ambient relative humidity. Afterward, a control unit is provided to judge a manual dehumidifying operation of the air-conditioning apparatus is executed. Afterward, the control unit is provided to execute a variable air control and a variable water control of the air-conditioning apparatus. Finally, the dehumidifying operation of the air-conditioning apparatus is judged whether completed according to a dew point.
  • a method for operating an air-conditioning apparatus with a manual dehumidifying function for air conditioning and dehumidifying an equipment room includes the following steps: First, a temperature-sensing unit and a humidity-sensing unit are provided to sense an ambient temperature and an ambient relative humidity, respectively. Afterward, a display unit is provided to display the ambient temperature and the ambient relative humidity. Afterward, a control unit is provided to judge a manual dehumidifying operation of the air-conditioning apparatus is executed. Afterward, the control unit is provided to execute a variable air control and a variable water control of the air-conditioning apparatus.
  • the dehumidifying operation of the air-conditioning apparatus is judged whether completed according to a dew point.
  • the dehumidifying operation of the air-conditioning apparatus is judged whether completed according to a dehumidifying time when the dehumidifying operation of the air-conditioning apparatus is not completed.
  • FIG. 1 is a schematic block diagram of an air-conditioning apparatus with a manual dehumidifying function according to the present invention
  • FIG. 2 is a perspective view of the air-conditioning apparatus according to the present invention.
  • FIG. 3 is a schematic block diagram of an operation unit and a display unit of the air-conditioning apparatus according to the present invention
  • FIG. 4 is a flowchart of a method for operating an air-conditioning apparatus according to a first embodiment of the present invention.
  • FIG. 5 is a flowchart of the method for operating the air-conditioning apparatus according to a second embodiment of the present invention.
  • FIG. 1 is a schematic block diagram of an air-conditioning apparatus with a manual dehumidifying function according to the present invention.
  • the air-conditioning apparatus 10 is applied to an equipment room for air conditioning and dehumidifying the equipment room.
  • the air-conditioning apparatus 10 includes a control unit 102 , a temperature-sensing unit 104 , a humidity-sensing unit 106 , a display unit 108 , an operation unit 110 , a water control unit 112 , and an air control unit 114 .
  • the temperature-sensing unit 104 is electrically connected to the control unit 102 for sensing an ambient temperature Ta.
  • the humidity-sensing unit 106 is electrically connected to the control unit 102 for sensing an ambient relative humidity Ha.
  • the display unit 108 is electrically connected to the control unit 102 for displaying the ambient temperature Ta sensed through the temperature-sensing unit 104 and the ambient relative humidity Ha sensed through the humidity-sensing unit 106 .
  • the operation unit 110 is electrically connected to the control unit 102 for operating the air-conditioning apparatus 10 to execute a manual dehumidifying operation or a manual air-conditioning operation.
  • the water control unit 112 is electrically connected to the control unit 102 for dehumidifying air flowed into the air-conditioning apparatus 10 through a condensation operation.
  • the air control unit 114 is electrically connected to the control unit 102 for sending the dehumidified air out the air-conditioning apparatus 10 .
  • control unit 102 includes a calculation unit (not shown) and a comparison unit (not shown).
  • the calculation unit calculates a dew point of the air-conditioning apparatus 10 according to the sensed ambient temperature Ta and the sensed ambient relative humidity Ha.
  • the comparison unit compares the calculated dew point to a threshold dew point to judge whether the dehumidifying operation of the air-conditioning apparatus 10 is completed or not.
  • control unit 102 further includes a timing unit (not shown). The timing unit sets a dehumidifying time to judge whether the dehumidifying operation of the air-conditioning apparatus 10 is completed or not.
  • FIG. 2 is a perspective view of the air-conditioning apparatus according to the present invention.
  • the temperature-sensing unit 104 and the humidity-sensing unit 106 installed on the air-conditioning apparatus 10 are provided to sense the temperature of the equipment room (namely, the ambient temperature Ta) and the relative humidity of the equipment room (namely, the ambient relative humidity Ha).
  • the display unit 108 installed on the air-conditioning apparatus 10 is provided to display the ambient temperature Ta and the ambient relative humidity Ha.
  • the display unit 108 can be a liquid crystal module (LCM).
  • the user can determine to manually operate the air-conditioning apparatus 10 to execute the dehumidifying operation or the air-conditioning operation to the equipment room according to the displayed temperature and relative humidity or his/her practical experiences.
  • a buzzer (not shown) can be also installed in the air-conditioning apparatus 10 to remind the user because of the over-high humidity to manually operate the air-conditioning apparatus 10 to execute the dehumidifying operation to the equipment room.
  • the user can manually operate the operation unit 110 to control the air-conditioning apparatus 10 for dehumidifying the equipment room.
  • FIG. 3 is a schematic block diagram of an operation unit and a display unit of the air-conditioning apparatus according to the present invention.
  • the operation unit 110 can be a liquid crystal module (LCM) having at least one dehumidifying operation button (not labeled) and one air-conditioning operation button (not labeled), further one power switch (not labeled). Accordingly, the user can conveniently operate the air-conditioning apparatus 10 through the operation unit 110 .
  • the display unit 108 can be used to display the sensed ambient temperature Ta and the sensed ambient relative humidity Ha.
  • the water control unit 112 of the air-conditioning apparatus 10 dehumidifies the air flowed into the air-conditioning apparatus 10 by a condensation way of externally injecting low-temperature ice water into the water control unit 112 .
  • the water control unit 112 can be a three-way water pipe assemblage.
  • the water quantity of the water control unit 112 can be controlled using a variable water control by the control unit 102 .
  • the variable water control is to provide a maximum water control to the water control unit 112 . That is, the maximum water quantity of the water control unit 112 is provided for significantly condensing the air flowed into the air-conditioning apparatus 10 .
  • the air control unit 114 of the air-conditioning apparatus 10 can send the dehumidified air (namely, the dry air) out from the air-conditioning apparatus 10 .
  • the air control unit 114 can be a variable speed fan.
  • the air quantity of the air control unit 114 can be controlled using a variable air control by the control unit 102 .
  • the variable air control is to provide a minimum air control to the air control unit 114 .
  • the minimum air quantity and air speed of the air control unit 114 is provided for weakly and slowly sending the dehumidified air (dry air) out from the air-conditioning apparatus 10 , thus great significantly avoiding the un-dehumidified air being sent out so as to prevent server hosts or other equipment of the equipment room from being damaged because of the humid air.
  • the fan would generate a large torque output when the fan is operated in a low speed.
  • the variable air control of the fan is typically set to 30%, thus increasing the use life of the fan, even over 10 years.
  • the variable air control of the fan is usually set less than 30%, thus reducing the amount of the un-dehumidified air sent out from the air-conditioning apparatus 10 .
  • the water quantity of the three-way water pipe assemblage can be controlled to achieve the maximum water control. That is, the variable water control of the three-way water pipe assemblage is typically set to 100%, thus significantly condensing the air flowed into the air-conditioning apparatus 10 .
  • the air-conditioning apparatus 10 can judge whether the dehumidifying operation of the air-conditioning apparatus 10 is completed or not according to the dew point or the dehumidifying time when the user determine to manually operate air-conditioning apparatus 10 to execute the dehumidifying operation. Because the dew point can be calculated according to the ambient temperature Ta and the ambient relative humidity Ha (using the Magnus-Tetens Approximation), a threshold dew point is set to compare the calculated dew point to judge whether the dehumidifying operation of the air-conditioning apparatus 10 is completed or not. In addition, a dehumidifying time is set to judge whether the dehumidifying operation of the air-conditioning apparatus is completed or not. Furthermore, the user can also determine to manually operate the air-conditioning apparatus 10 to execute the dehumidifying operation, the air-conditioning operation, or the standby operation according to the displayed temperature and relative humidity or his/her practical experiences.
  • FIG. 4 is a flowchart of a method for operating an air-conditioning apparatus according to a first embodiment of the present invention.
  • the method for operating the air-conditioning apparatus with a manual dehumidifying function for air conditioning and dehumidifying an equipment room includes the following steps: First, the air-conditioning apparatus is powered on (S 10 ). Afterward, a temperature-sensing unit and a humidity-sensing unit are used to sense an ambient temperature and an ambient relative humidity in the equipment room, respectively (S 20 ). In particular, the temperature-sensing unit and the humidity-sensing unit are installed on the air-conditioning apparatus.
  • a display unit is used to display the sensed ambient temperature and the sensed ambient relative humidity when a standby operation of the air-conditioning apparatus is executed (S 30 ).
  • the display unit can be a liquid crystal module (LCM) which is provided to simultaneously display the temperature and the relative humidity in the equipment room (as shown in FIG. 3 ).
  • the air-conditioning apparatus is manually operated by a user to execute a dehumidifying operation (S 40 ) or an air-conditioning operation (S 80 ).
  • the user can manually operate the air-conditioning apparatus to execute the dehumidifying operation to the equipment room according to the ambient temperature and the ambient relative humidity displayed on the display unit, or manually operate the air-conditioning apparatus to execute the air-conditioning operation to the equipment room, or keep the air-conditioning apparatus in the standby operation.
  • a buzzer can be also installed in the air-conditioning apparatus to remind the user to manually operate the air-conditioning apparatus to execute the dehumidifying operation to the equipment room.
  • the air-conditioning apparatus is controlled to execute the dehumidifying control through a control unit (S 50 ) when the user manually operates the air-conditioning apparatus to execute the dehumidifying operation (S 40 ).
  • the dehumidifying control includes a variable air control (S 502 ) and a variable water control (S 504 ).
  • the variable air control is a minimum air control and the variable water control is a maximum water control.
  • the air-conditioning apparatus provides a maximum water control to a water control unit (as shown in FIG. 1 ). That is, the maximum water quantity of the water control unit is provided for significantly condensing the air flowed into the air-conditioning apparatus.
  • the air-conditioning apparatus provides a minimum air control to an air control unit (as shown in FIG. 1 ). That is, the minimum air quantity and air speed of the air control unit is provided for weakly and slowly sending the dehumidified air (dry air) out from the air-conditioning apparatus, thus significantly avoiding the un-dehumidified air being sent out so as to prevent the equipment of the equipment room from being damaged because of the humid air.
  • the user can also manually operate the air-conditioning apparatus to execute the air-conditioning operation (S 80 ). That is, the user can ignore manually operating the air-conditioning apparatus to execute the dehumidifying operation to directly manually operate the air-conditioning apparatus to execute the air-conditioning operation if the equipment room needs not to be dehumidified.
  • a dew point is calculated to judge whether the dehumidifying operation of the air-conditioning apparatus is completed or not (S 60 ).
  • a threshold dew point can be set to compare the calculated dew point to judge whether the dehumidifying operation of the air-conditioning apparatus is completed or not.
  • the threshold dew point is set to 5° C. Because the air-conditioning apparatus continuously works, the calculated dew point of the equipment room gradually decreases. The dehumidifying operation of the air-conditioning apparatus is completed when the calculated dew point is less than the threshold dew point. On the other hand, the air-conditioning apparatus continuously works to execute the dehumidifying operation when the calculated dew point is greater than or equal to the threshold dew point.
  • the dew point of the equipment room can be calculated by using the Magnus-Tetens Approximation according to the following formula:
  • T d b ⁇ ⁇ ⁇ ( T , RH ) a - ⁇ ⁇ ( T , RH )
  • ⁇ ⁇ ( T , RH ) a ⁇ T b + T + ln ⁇ ( RH / 100 )
  • Td, T, RH, ln represent a calculated dew point, an ambient temperature, an ambient relative humidity, and a natural log operation, respectively.
  • a and b are both constants, and are 17.27 and 237.7° C., respectively.
  • the approximation formula is suitable for use under the following conditions: 0° C. ⁇ T ⁇ 60° C., 1% ⁇ RH ⁇ 100%, and 0° C. ⁇ Td ⁇ 50° C.
  • the step (S 30 ) (namely, the standby operation of the air-conditioning apparatus) is re-executed when the dehumidifying operation of the air-conditioning apparatus is completed.
  • the dehumidifying operation of the air-conditioning apparatus is completed when the calculated dew point of the equipment room is less than the threshold dew point.
  • the air-conditioning apparatus is standby.
  • the step (S 50 ) is re-executed when the dehumidifying operation of the air-conditioning apparatus is not completed. That is, the dehumidifying operation of the air-conditioning apparatus is continuously executed when the calculated dew point is still greater than or equal to the threshold dew point.
  • FIG. 5 is a flowchart of the method for operating the air-conditioning apparatus according to a second embodiment of the present invention.
  • the major difference between the second embodiment and the first embodiment is that a dehumidifying time is added to judge whether the dehumidifying operation of the air-conditioning apparatus is completed or not.
  • the difference between the two embodiments will be described in detail as follows, whereas the same that is briefly described.
  • the method for operating the air-conditioning apparatus with a manual dehumidifying function for air conditioning and dehumidifying an equipment room includes the following steps: First, the air-conditioning apparatus is powered on (S 10 ).
  • a temperature-sensing unit and a humidity-sensing unit are used to sense an ambient temperature and an ambient relative humidity in the equipment room, respectively (S 20 ).
  • a display unit is used to display the sensed ambient temperature and the sensed ambient relative humidity when a standby operation of the air-conditioning apparatus is executed (S 30 ).
  • the air-conditioning apparatus is manually operated by a user to execute a dehumidifying operation (S 40 ) or an air-conditioning operation (S 80 ).
  • the air-conditioning apparatus is controlled to execute the dehumidifying control through a control unit (S 50 ) when the user manually operates the air-conditioning apparatus to execute the dehumidifying operation (S 40 ).
  • the dehumidifying control includes a variable air control (S 502 ) and a variable water control (S 504 ). Afterward, a dew point is calculated to judge whether the dehumidifying operation of the air-conditioning apparatus is completed or not (S 60 ).
  • the step (S 30 ) (namely, the standby operation of the air-conditioning apparatus) is re-executed when the dehumidifying operation of the air-conditioning apparatus is completed.
  • a dehumidifying time is judged whether the dehumidifying operation of the air-conditioning apparatus is completed or not when the dehumidifying operation of the air-conditioning apparatus is not completed (S 70 ).
  • the user can use a timing unit to set the dehumidifying time of the air-conditioning apparatus.
  • the dehumidifying time is set to 12 hours.
  • the dehumidifying operation of the air-conditioning apparatus is completed when the air-conditioning apparatus continuously works to execute the dehumidifying operation over 12 hours.
  • the air-conditioning apparatus continuously works to execute the dehumidifying operation when the dehumidifying time of the air-conditioning apparatus is less than 12 hours.
  • the step (S 30 ) (namely, the standby operation of the air-conditioning apparatus) is re-executed when the dehumidifying operation of the air-conditioning apparatus is completed.
  • the step (S 50 ) (namely, the dehumidifying operation of the air-conditioning apparatus) is re-executed when the dehumidifying operation of the air-conditioning apparatus is not completed.
  • the user can also determine to manually operate the air-conditioning apparatus to execute the dehumidifying operation, the air-conditioning operation, or the standby operation according to the displayed temperature and relative humidity or his/her practical experiences. Accordingly, the dehumidifying operation of the air-conditioning apparatus can be flexibly executed according to the dew point control and the dehumidifying time control.
  • the user can manually operate the air-conditioning apparatus to execute the dehumidifying operation to provide a good air regulation of the equipment room, thus ensuring that the server hosts or other equipment can normally work;
  • the operation unit is provided to the user for conveniently operating the air-conditioning apparatus to execute a manual dehumidifying operation or a manual air-conditioning operation;
  • the dehumidifying operation of the air-conditioning apparatus can be flexibly executed according to the dew point control and the dehumidifying time control.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
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  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Human Computer Interaction (AREA)
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TW100111564A TWI432681B (zh) 2011-04-01 2011-04-01 具有手動除濕功能之空調裝置及其操作方法

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CN106705383A (zh) * 2017-01-24 2017-05-24 珠海格力电器股份有限公司 除湿控制方法、装置及具有除湿功能的设备
US11168908B2 (en) * 2017-11-29 2021-11-09 Gd Midea Air-Conditioning Equipment Co., Ltd. Air conditioner, and control method and apparatus therefor

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