WO2013089484A1 - Appareil de climatisation et son procédé de commande - Google Patents

Appareil de climatisation et son procédé de commande Download PDF

Info

Publication number
WO2013089484A1
WO2013089484A1 PCT/KR2012/010912 KR2012010912W WO2013089484A1 WO 2013089484 A1 WO2013089484 A1 WO 2013089484A1 KR 2012010912 W KR2012010912 W KR 2012010912W WO 2013089484 A1 WO2013089484 A1 WO 2013089484A1
Authority
WO
WIPO (PCT)
Prior art keywords
inlet
bypass
fan
air
rpm
Prior art date
Application number
PCT/KR2012/010912
Other languages
English (en)
Korean (ko)
Inventor
조은준
서범수
Original Assignee
엘지전자 주식회사
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.)
Filing date
Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to US14/364,114 priority Critical patent/US20140366564A1/en
Priority to EP12856987.8A priority patent/EP2801765B1/fr
Priority to CN201280060547.XA priority patent/CN103988027B/zh
Publication of WO2013089484A1 publication Critical patent/WO2013089484A1/fr

Links

Images

Classifications

    • 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
    • F24F11/81—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
    • 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
    • F24F11/70—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
    • 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
    • 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
    • F24F2140/00—Control inputs relating to system states
    • 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
    • F24F2140/20—Heat-exchange fluid temperature

Definitions

  • the present invention relates to an air conditioner, and more particularly, to an air conditioner capable of performing a cooling operation stably in an environment having a low outdoor temperature.
  • an air conditioner is a device for cooling or heating an indoor space such as a living space, a restaurant, or an office.
  • the air conditioner may include an outdoor unit installed in an outdoor space and an indoor unit installed in an indoor space.
  • the outdoor unit may include a compressor for compressing a refrigerant and an outdoor heat exchanger and a blower fan for heat exchange between the outdoor air and the refrigerant. It includes a variety of piping for connecting the compressor and the indoor unit, the indoor unit may include an indoor heat exchanger and expansion valve for heat exchange between the indoor air and the refrigerant.
  • the outdoor unit connected to the plurality of indoor units is equipped with a large outdoor heat exchanger to expand the heat exchange area, a compressor for compressing the refrigerant circulating the air conditioning cycle, an oil separator and an accumulator, etc., and a fan for forced flow
  • a motor for rotating the fan is mounted, and a plurality of refrigerant pipes for connecting each component and the indoor unit are accommodated.
  • FIG. 1 is a perspective view showing a conventional outdoor unit
  • Figure 2 is a view for explaining the operating state of the fan of the conventional outdoor unit.
  • the outdoor unit 20 includes a housing 21 forming an appearance, and the housing 21 has an inlet 22 and an outlet 23, and the inside of the housing 21
  • the heat exchanger 24 is arranged on the inlet 22 side. At this time, the air introduced through the inlet 22 is discharged to the outside through the outlet 23 after the heat exchange with the refrigerant in the process of passing through the heat exchanger (24).
  • the cooling load is adjusted in such a manner as to lower the amount of air introduced through the inlet port 22 by lowering the rotation speed (hereinafter, RPM) of the fan.
  • An object of the present invention is to provide an air conditioner that can stably perform cooling operation in an environment having low outdoor temperature.
  • the present invention is to solve the problem to provide an air conditioner that can continuously control the amount of air passing through the heat exchanger even in the discontinuous control section of the fan.
  • the present invention is to solve the problem to provide an air conditioner that can prevent the high pressure drop by a sudden increase in the wind flowing into the heat exchanger.
  • a housing having an inlet, a bypass inlet and a discharge port; and a fan provided to introduce air into the housing and discharge air to the outside of the housing; and the inlet A heat exchange passage formed between the heat exchange passage and the heat exchange passage; And a bypass flow path formed between the bypass inlet and the discharge port.
  • an air conditioner including an outdoor unit and at least one indoor unit connected to the outdoor unit, the outdoor unit comprising: a housing having an inlet, a bypass inlet and an outlet; and the inlet and the bypass inlet Is provided through the air into the housing, through the discharge port is provided with an air conditioner comprising a fan and a control unit for controlling the drive of the fan provided to discharge the outside of the housing.
  • the inlet and the discharge port are communicated with each other through a heat exchanger, the bypass inlet is directly communicated with the discharge port, the control unit controls the air flow rate flowing into the bypass inlet port is the air flow rate flowing into the inlet port Variable.
  • the step of detecting the condensation pressure or condensation temperature of the refrigerant in the outdoor unit; and if the detection result is less than the first predetermined value to control the RPM of the fan motor of the outdoor unit to the lowest control RPM A fan constant speed operation step of varying a flow rate of air flowing into the heat exchanger; and a fan variable operation step of controlling the RPM of the fan motor of the outdoor unit to an RPM exceeding the minimum control RPM when the detection result is greater than or equal to a preset value.
  • a control method of an air conditioner is provided.
  • the air conditioner according to an embodiment of the present invention performs the cooling operation stably in an environment having a low outdoor temperature.
  • the air conditioner according to an embodiment of the present invention continuously controls the amount of air passing through the heat exchanger even in the discontinuous control section of the fan.
  • the air conditioner according to an embodiment of the present invention prevents a high pressure drop due to a sudden increase in the wind flowing into the heat exchanger.
  • FIG. 1 is a perspective view showing a conventional outdoor unit.
  • FIG. 2 is a view for explaining an operating state of a conventional outdoor unit fan.
  • FIG. 3 is a block diagram of an air conditioner according to one embodiment of the present invention.
  • FIG. 4 is a perspective view of an air conditioner according to one embodiment of the present invention.
  • FIG. 5 is a conceptual diagram for explaining the inflow flow of the air conditioner according to the present invention.
  • FIG. 6 is a view for explaining the operating state of the fan constituting the air conditioner according to an embodiment of the present invention.
  • FIG. 7 is a perspective view of an air conditioner according to still another embodiment of the present invention.
  • FIG. 8 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.
  • FIG. 3 is a block diagram of an air conditioner according to an embodiment of the present invention
  • FIG. 4 is a perspective view of an air conditioner according to an embodiment of the present invention
  • FIG. 5 is an inflow of the air conditioner according to the present invention.
  • An air conditioner may include an outdoor unit 300 installed in an outdoor space and an indoor unit 500 installed in an indoor space, and the outdoor unit 300 includes a compressor for compressing a refrigerant ( 200, an outdoor heat exchanger 320 and a fan (not shown) for heat exchange between the outdoor air and the refrigerant, a fan motor 350 for driving the fan, the compressor 200 and the outdoor heat exchanger 320, and Various pipes (not shown) connecting the indoor unit 500 are provided, and the pipes are provided with a temperature sensor and a pressure sensor that can measure the temperature and pressure of the refrigerant.
  • the indoor unit 500 includes an indoor heat exchanger (not shown), an expansion valve (not shown), a fan (not shown), and a fan motor 550 for driving the fan. ) May be included.
  • the air conditioner includes a controller 100 for controlling the operation of the outdoor unit 300 and the indoor unit 500.
  • the air conditioner includes a refrigeration cycle including a compressor 200, an outdoor heat exchanger 320, an expansion valve and an indoor heat exchanger.
  • the gas refrigerant compressed in the compressor is introduced into the outdoor heat exchanger to phase change into a liquid refrigerant, the refrigerant in the outdoor heat exchanger phase changes to release heat to the outside, after The refrigerant discharged from the outdoor heat exchanger is expanded through the expansion valve and flows into the indoor heat exchanger.
  • the liquid refrigerant introduced into the indoor heat exchanger is changed into a gas refrigerant.
  • the refrigerant absorbs external heat while changing phase in the indoor heat exchanger.
  • the air conditioner may be used as a concept including both an outdoor unit and an indoor unit, or may be used as a concept including only an outdoor unit.
  • the air conditioner is limited to referring to an outdoor unit. .
  • the air conditioner 300 introduces air into the housing 310 and the housing 310 having an inlet 311, a bypass inlet 313, and an outlet 312.
  • a fan provided to discharge air to the outside, a heat exchange passage formed between the inlet 311 and the discharge opening 312, a heat exchanger 320 provided in the heat exchange passage, and the bypass inlet 313; It includes a bypass flow path formed between the discharge port 312.
  • the housing 310 has one or more inlets 311 through which outdoor air is introduced into the heat exchanger 320.
  • the inlets 311 may be provided at both sides of the housing 310, respectively. have.
  • the housing 310 may have a discharge port 312 through which air flown by the fan is discharged.
  • the discharge port 312 may be provided in plurality on an upper surface of the housing 310. .
  • One or more heat exchangers 320 may be disposed in the lower space of the housing 310, and one or more fans may be disposed in the upper space.
  • the heat exchanger 320 may be disposed at both side ends of the inside of the housing 310 so as to correspond to the inlet 311, in order to increase the heat exchange area "b" shaped or "c" shaped Can have
  • the heat exchange passage means a path formed between the inlet 311 and the outlet 312, and the air introduced into the inlet 311 exchanges heat with the refrigerant in the process of passing through the heat exchanger 320.
  • the housing 310 has one or more bypass inlets 313, and the air introduced through the bypass inlets 313 does not directly pass through the heat exchanger 320. Therefore, when the inlet 311 is formed on both sides of the housing 310, the bypass inlet 313 may be formed on the front surface of the housing 310.
  • bypass flow path is formed between the bypass inlet 311 and the discharge port 312, the air introduced into the bypass inlet 311 may be partially flowed to the heat exchanger 320 side, but most It may be discharged through the discharge port 312 without passing through the heat exchanger (320).
  • the inlet 311 and the bypass inlet 313 have a difference depending on whether a heat exchanger is disposed at each inlet side. Specifically, since the heat exchanger 320 is disposed in the inlet 311, when both of the inlet 311 and the bypass inlet 313 are opened, the heat exchanger with respect to the air flowing into the inlet 311. Since the 320 serves as a resistor, the amount of air flowing into the inlet 311 becomes smaller than when the bypass inlet 313 is blocked.
  • the amount of air flowing into the inlet 311 may be controlled by adjusting the amount of air flowing into the bypass inlet 313, and thus the heat exchanger 320 may be controlled.
  • the cooling load can be adjusted because the amount of air exchanged through the heat can be adjusted.
  • the air conditioner 300 may include a bypass blocking device 330 to selectively open and close the bypass inlet 313.
  • a bypass blocking device 330 to selectively open and close the bypass inlet 313.
  • the bypass inlet 313 is opened by the bypass blocking device 330, the amount of air introduced through the inlet 311 may be reduced, and when the bypass inlet 313 is blocked, the inlet 311. It can increase the amount of air flowing through.
  • the air conditioner 300 may include a bypass vane 331 for adjusting the opening degree of the bypass inlet.
  • the opening degree of the bypass inlet 313 may be adjusted by the bypass vane 331, and when the opening degree is increased, the amount of air introduced through the inlet 311 may be reduced, and when the opening degree is decreased, the inlet 311. Can increase the amount of air introduced.
  • bypass blocking device 330 may be configured as the bypass vane 331, and the bypass blocking device 330 and / or the bypass vane 331 are controlled by the controller 100 described above. Can be.
  • FIG. 6 is a view for explaining the operating state of the fan constituting the air conditioner according to an embodiment of the present invention.
  • the outdoor unit 20 performs the cooling operation in an environment where the outdoor temperature is low (eg, ⁇ 5 ° C.), the condensation temperature or the condensation pressure of the refrigerant flowing inside the heat exchanger is lowered.
  • the compressor does not run smoothly.
  • the cooling load is adjusted in such a manner as to lower the amount of air introduced through the inlet port 22 by lowering the rotational speed (hereinafter, RPM) of the fan.
  • control unit 100 controls the RPM of the fan motor 350 for driving the fan, and controls the RPM of the fan motor 350 according to the condensation pressure or the condensation temperature of the refrigerant.
  • controller 100 may control to open the bypass inlet 311 when the RPM of the fan motor 350 is operated at the lowest control RPM.
  • the air conditioner 300 when the fan operation is stopped due to the low RPM of the fan in an environment having a low outdoor temperature (for example, -5 °C) as in the prior art (minimum control RPM), in the air conditioner 300 related to the present invention
  • the amount of air introduced into the heat exchanger 320 may be adjusted by adjusting the amount of air introduced through the bypass inlet 313 without stopping the operation of the fan.
  • the discontinuous control section of the fan is generated by a time t1 during which the fan operates in a low outdoor temperature environment and a time t2 when the fan stops.
  • the time t3 of operating the fan even in an environment having a low outdoor temperature is increased, and the hunting (F2) of the condensation temperature or the evaporation temperature is reduced. Can be.
  • the air conditioner 300 performs stable cooling operation in an environment having low outdoor temperature, and continuously controls the amount of air passing through the heat exchanger 320 even in a discontinuous control section of the fan.
  • the cooling load can be adjusted.
  • FIG. 7 is a perspective view of an air conditioner according to still another embodiment of the present invention.
  • the air conditioner 300 may further include a cover 340 for preventing direct inflow of external air in a vertical direction of the inlet 311.
  • the cover 340 serves to prevent a high pressure drop caused by a sudden increase in the wind flowing into the heat exchanger 320.
  • the cover 340 has a cover upper inlet 342 and the cover side inlet 343, the air directly flowing in the vertical direction of the inlet 311, the cover upper inlet 342 and the cover side It may include a body 341 to bypass the inlet (343) side.
  • the air conditioner according to another embodiment of the present invention may include an outdoor unit 300 and at least one indoor unit 500 connected to the outdoor unit.
  • the outdoor unit 300 includes a housing 310 having an inlet 311, a bypass inlet 313, and an outlet 312, and the inlet 311 and the bypass inlet 313. It includes a fan for introducing air into the housing 310, the air discharged to the outside of the housing 310 through the discharge port 312 and a control unit 100 for controlling the driving of the fan.
  • the inlet 311 and the outlet 312 are communicated with each other via a heat exchanger 320, the bypass inlet 313 is in direct communication with the outlet 312, the control unit 100 is By adjusting the air flow rate flowing into the bypass inlet 313, the air flow rate flowing into the inlet 311 is varied.
  • the controller 100 may control the driving of the fan according to the condensation pressure or the condensation temperature of the refrigerant, and the outdoor unit selectively adjusts the opening and opening of the bypass inlet 313.
  • a bypass vane 331 may be included.
  • controller 100 may control the bypass vane 331 to be driven when the fan is driven at the lowest control RPM.
  • FIG. 8 is a flowchart illustrating a control method of an air conditioner according to an embodiment of the present invention.
  • the control method of the air conditioner according to an embodiment of the present invention includes detecting the condensation pressure or the condensation temperature of the refrigerant in the outdoor unit (S3) and the RPM of the fan motor of the outdoor unit when the detection result is less than the first preset value. Is controlled to the minimum control RPM, and the fan constant speed operation step (S5) for varying the flow rate of air flowing into the heat exchanger and the detection result is more than the preset value RPM of the fan motor of the outdoor unit exceeds the minimum control RPM It includes a fan variable operation step (S4) to control.
  • the fan constant speed operation step (S5) may vary the bypassed air flow rate without heat exchange, and the detection result compares the second preset value during the fan constant speed operation step (S5) (S6). When the detection result is less than the second preset value, driving of the fan may be stopped (S7).
  • the outdoor unit detects the condensation pressure or the condensation temperature of the refrigerant (S3).
  • the fan variable control operation S4 of varying the RPM of the fan and adjusting the amount of air flowing into the heat exchanger is performed.
  • the RPM of the fan may be changed and the amount of air introduced into the heat exchanger may not be adjusted.
  • the fan constant speed control operation (S5) can be performed without stopping the operation of the fan, and as described above, the amount of air introduced into the heat exchanger can be adjusted by varying the bypassed air flow rate without heat exchange. have.
  • the air conditioner according to an embodiment of the present invention performs the cooling operation stably in an environment having a low outdoor temperature.
  • the air conditioner according to an embodiment of the present invention continuously controls the amount of air passing through the heat exchanger even in the discontinuous control section of the fan.
  • the air conditioner according to an embodiment of the present invention prevents a high pressure drop due to a sudden increase in the wind flowing into the heat exchanger.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention porte sur un appareil de climatisation, lequel appareil est apte à effectuer une opération de refroidissement d'une manière stable dans un environnement ayant une température extérieure basse. L'appareil de climatisation selon la présente invention comprend : un boîtier comprenant une entrée, une entrée de dérivation et une sortie ; un ventilateur configuré de façon à introduire de l'air dans le boîtier et à décharger l'air à partir du boîtier ; une trajectoire d'écoulement d'échange de chaleur disposée entre l'entrée et la sortie ; un échangeur de chaleur disposé au niveau de la trajectoire d'écoulement d'échange de chaleur ; et une trajectoire d'écoulement de dérivation disposée entre l'entrée de dérivation et la sortie.
PCT/KR2012/010912 2011-12-14 2012-12-14 Appareil de climatisation et son procédé de commande WO2013089484A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/364,114 US20140366564A1 (en) 2011-12-14 2012-12-14 Air-conditioning apparatus and method for controlling same
EP12856987.8A EP2801765B1 (fr) 2011-12-14 2012-12-14 Appareil de climatisation et son procédé de commande
CN201280060547.XA CN103988027B (zh) 2011-12-14 2012-12-14 空气调节装置及其控制方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0134992 2011-12-14
KR1020110134992A KR101832765B1 (ko) 2011-12-14 2011-12-14 공기조화장치 및 이의 제어방법

Publications (1)

Publication Number Publication Date
WO2013089484A1 true WO2013089484A1 (fr) 2013-06-20

Family

ID=48612845

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/010912 WO2013089484A1 (fr) 2011-12-14 2012-12-14 Appareil de climatisation et son procédé de commande

Country Status (5)

Country Link
US (1) US20140366564A1 (fr)
EP (1) EP2801765B1 (fr)
KR (1) KR101832765B1 (fr)
CN (1) CN103988027B (fr)
WO (1) WO2013089484A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6187415B2 (ja) * 2014-08-22 2017-08-30 トヨタ自動車株式会社 潤滑制御装置
CN105157164B (zh) * 2015-07-23 2017-11-14 广东美的制冷设备有限公司 顶出风室外风机控制方法及装置
US20170089628A1 (en) * 2015-09-30 2017-03-30 Lg Electronics Inc. Air conditioner and method for controlling an air conditioner
KR102522061B1 (ko) * 2016-09-28 2023-04-18 엘지전자 주식회사 공조 유닛
JP2018179418A (ja) * 2017-04-14 2018-11-15 日立ジョンソンコントロールズ空調株式会社 室外ユニット、及び、当該室外ユニットを有する空気調和機

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001174001A (ja) * 1999-12-20 2001-06-29 Chofu Seisakusho Co Ltd 冷暖房エアコン
JP2002005547A (ja) * 2000-06-19 2002-01-09 Kubota Corp 熱源評価装置
JP2004037031A (ja) * 2002-07-05 2004-02-05 Sumitomo Heavy Industries Construction Crane Co Ltd 冷却器の開口部調整装置
JP2006234249A (ja) * 2005-02-24 2006-09-07 Sharp Corp 一体型空気調和機
JP2010281497A (ja) * 2009-06-04 2010-12-16 Mitsubishi Electric Corp 室外機並びに空気調和機

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4120173A (en) * 1977-06-02 1978-10-17 Borg-Warner Corporation Head pressure control system for refrigeration apparatus
US4210278A (en) * 1979-02-06 1980-07-01 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus for supplying conditioned air at a substantially constant temperature and humidity
US5069040A (en) * 1990-10-29 1991-12-03 Lennox Industries Inc. Coil bypass arrangement
KR100625568B1 (ko) * 2004-11-23 2006-09-20 삼성전자주식회사 멀티형 공기조화기
JP2007247936A (ja) * 2006-03-15 2007-09-27 Nippon Spindle Mfg Co Ltd 空調装置
JP5228319B2 (ja) * 2006-12-12 2013-07-03 ダイキン工業株式会社 空気清浄機
JP2009222345A (ja) * 2008-03-18 2009-10-01 Nippon Spindle Mfg Co Ltd 温調装置
IT1397988B1 (it) * 2010-02-10 2013-02-04 Savio Spa Dispositivo di scambio d'aria per edifici
CN102466304B (zh) * 2010-11-16 2014-09-03 力博特公司 一种空调系统及其冷凝风机的控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001174001A (ja) * 1999-12-20 2001-06-29 Chofu Seisakusho Co Ltd 冷暖房エアコン
JP2002005547A (ja) * 2000-06-19 2002-01-09 Kubota Corp 熱源評価装置
JP2004037031A (ja) * 2002-07-05 2004-02-05 Sumitomo Heavy Industries Construction Crane Co Ltd 冷却器の開口部調整装置
JP2006234249A (ja) * 2005-02-24 2006-09-07 Sharp Corp 一体型空気調和機
JP2010281497A (ja) * 2009-06-04 2010-12-16 Mitsubishi Electric Corp 室外機並びに空気調和機

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2801765A4 *

Also Published As

Publication number Publication date
KR20130067935A (ko) 2013-06-25
EP2801765A1 (fr) 2014-11-12
CN103988027B (zh) 2016-11-09
KR101832765B1 (ko) 2018-02-27
CN103988027A (zh) 2014-08-13
EP2801765B1 (fr) 2019-07-03
US20140366564A1 (en) 2014-12-18
EP2801765A4 (fr) 2016-01-06

Similar Documents

Publication Publication Date Title
WO2011002142A1 (fr) Système de ventilation
WO2013089484A1 (fr) Appareil de climatisation et son procédé de commande
WO2011052904A2 (fr) Appareil de ventilation du type à échange de chaleur total, et procédé de commande de cet appareil
AU2020259881B2 (en) Fan unit, fan unit system, and air treatment system
WO2010126329A2 (fr) Climatiseur et procédé de fonctionnement
WO2013058483A1 (fr) Climatiseur et procédé pour son fonctionnement
CN108800313A (zh) 空调器及空调器控制方法
WO2010131874A2 (fr) Climatiseur et procédé pour le faire fonctionner
WO2018093174A2 (fr) Climatiseur
EP3366095B1 (fr) Systèmes de refroidissement pour petits locaux techniques et procédés de refroidissement de petites salles d'équipement
CN208238003U (zh) 空调器
CN112815421B (zh) 机房空调及其控制方法
KR20150108046A (ko) 바이패스 덕트를 구비한 열회수형 환기 시스템
CN114383215B (zh) 换热器、空调器及空调控制方法
CN115031292A (zh) 新风组件、空气调节装置以及新风控制方法
WO2013062242A1 (fr) Conditionneur d'air et procédé de fonctionnement de celui‑ci
WO2013081332A1 (fr) Climatiseur et son procédé de fonctionnement
WO2012023686A1 (fr) Procédé et dispositif de commande de système de ventilation à récupération de chaleur possédant une fonction de refroidissement par air extérieur
KR20170006383A (ko) 전산실 통신장비용 급배기 일체형 냉방기 및 이를 구비한 냉방시스템
WO2016148507A1 (fr) Diffuseur à volume d'air variable pour climatiseur de déshumidification, et système de climatisation de déshumidification utilisant celui-ci
KR100696716B1 (ko) 폐열회수 환기장치를 이용한 멀티시스템
CN214891407U (zh) 油烟空调一体机
CN110939998A (zh) 空调系统、空调器以及控制方法
CN113654217B (zh) 空调器的控制方法
JP6660727B2 (ja) 外気利用型冷却システム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12856987

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 14364114

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2012856987

Country of ref document: EP