CN107023940A - 空调器制热运行的控制方法 - Google Patents
空调器制热运行的控制方法 Download PDFInfo
- Publication number
- CN107023940A CN107023940A CN201710199530.7A CN201710199530A CN107023940A CN 107023940 A CN107023940 A CN 107023940A CN 201710199530 A CN201710199530 A CN 201710199530A CN 107023940 A CN107023940 A CN 107023940A
- Authority
- CN
- China
- Prior art keywords
- frequency
- coil pipe
- air conditioner
- indoor
- temperature difference
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
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
- F24F11/30—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
-
- 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
- F24F2140/20—Heat-exchange fluid temperature
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2104—Temperatures of an indoor room or compartment
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2116—Temperatures of a condenser
-
- 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
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)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
Claims (10)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710199530.7A CN107023940B (zh) | 2017-03-30 | 2017-03-30 | 空调器制热运行的控制方法 |
US16/475,074 US11181287B2 (en) | 2017-03-30 | 2017-05-26 | Control method for heating operation of air-conditioner based on coil temperature and indoor fan speed |
PCT/CN2017/086058 WO2018176621A1 (zh) | 2017-03-30 | 2017-05-26 | 空调器制热运行的控制方法 |
EP17903129.9A EP3564596B1 (en) | 2017-03-30 | 2017-05-26 | Control method for a heating operation of an air-conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710199530.7A CN107023940B (zh) | 2017-03-30 | 2017-03-30 | 空调器制热运行的控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107023940A true CN107023940A (zh) | 2017-08-08 |
CN107023940B CN107023940B (zh) | 2019-12-03 |
Family
ID=59525829
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710199530.7A Active CN107023940B (zh) | 2017-03-30 | 2017-03-30 | 空调器制热运行的控制方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11181287B2 (zh) |
EP (1) | EP3564596B1 (zh) |
CN (1) | CN107023940B (zh) |
WO (1) | WO2018176621A1 (zh) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108302712A (zh) * | 2018-01-03 | 2018-07-20 | 广东美的暖通设备有限公司 | 热泵空调机组及其节能控制方法和控制装置 |
CN109945434A (zh) * | 2019-03-20 | 2019-06-28 | 珠海格力电器股份有限公司 | 空调的控制方法、装置和空调 |
CN111594977A (zh) * | 2020-04-08 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | 一种制热控制方法及空调器 |
CN111649439A (zh) * | 2020-05-08 | 2020-09-11 | 宁波奥克斯电气股份有限公司 | 一种空调控制方法 |
CN112303840A (zh) * | 2020-09-17 | 2021-02-02 | 珠海格力电器股份有限公司 | 一种空调器及其出风温度控制方法 |
CN112503742A (zh) * | 2020-12-02 | 2021-03-16 | 珠海格力电器股份有限公司 | 一种确定空调出风转速的方法和装置 |
CN112984736A (zh) * | 2021-02-23 | 2021-06-18 | 青岛海尔空调器有限总公司 | 一种下出风空调的控制方法和下出风空调 |
CN113465097A (zh) * | 2021-05-18 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | 空调器舒适性控制方法、装置及空调器 |
CN114963448A (zh) * | 2022-05-20 | 2022-08-30 | 珠海格力电器股份有限公司 | 一种空调器控制方法、装置、空调器及存储介质 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018111290A1 (en) * | 2016-12-16 | 2018-06-21 | General Electric Company | Wind farm topology and method of operating the same |
CN108375175B (zh) * | 2018-02-08 | 2019-09-24 | 珠海格力电器股份有限公司 | 空调系统控制方法及装置 |
EP3822554B1 (en) * | 2018-07-13 | 2022-08-31 | Mitsubishi Electric Corporation | Controller and air-conditioning system |
US11543142B1 (en) * | 2019-12-23 | 2023-01-03 | Trane International Inc. | Systems and methods for operation of a climate control system |
CN113639416A (zh) * | 2020-04-27 | 2021-11-12 | 青岛海尔空调电子有限公司 | 变频空调的控制方法 |
CN112066526A (zh) * | 2020-08-17 | 2020-12-11 | Tcl空调器(中山)有限公司 | 一种空调的控制方法和计算机设备 |
CN112696808A (zh) * | 2020-12-28 | 2021-04-23 | 宁波奥克斯电气股份有限公司 | 频率控制方法、频率控制装置和变频空调 |
CN112594894A (zh) * | 2021-01-21 | 2021-04-02 | 广东积微科技有限公司 | 用于新风机的控制方法、系统及新风机 |
CN112984735B (zh) * | 2021-02-23 | 2022-06-14 | 青岛海尔空调器有限总公司 | 一种下出风空调的控制方法和下出风空调 |
CN112984747B (zh) * | 2021-03-16 | 2022-04-19 | 青岛海尔空调器有限总公司 | 一种下出风空调的风速控制方法和下出风空调 |
CN113819528A (zh) * | 2021-08-31 | 2021-12-21 | 青岛海尔空调器有限总公司 | 柜机空调的控制方法、控制系统、电子设备和存储介质 |
CN114087746B (zh) * | 2021-11-29 | 2023-02-24 | 珠海格力电器股份有限公司 | 变频空调的控制方法、装置和变频空调 |
US11815280B2 (en) * | 2022-01-31 | 2023-11-14 | Mitsubishi Electric Us, Inc. | System and method for controlling the operation of a fan in an air conditioning system |
CN114562797B (zh) * | 2022-03-01 | 2023-11-10 | 武汉汉立制冷科技股份有限公司 | 一种用于制冷设备的三维控风方法 |
CN114543314B (zh) * | 2022-04-08 | 2023-09-15 | 安徽奥克斯智能电气有限公司 | 空调器提效控制方法及其空调器 |
CN115523744B (zh) * | 2022-08-09 | 2024-02-20 | 青岛海尔空调器有限总公司 | 热泵烘干机控制方法、装置、热泵烘干机及存储介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100128955A (ko) * | 2009-05-29 | 2010-12-08 | 엘지전자 주식회사 | 공기조화기 및 그 운전 방법 |
CN102734898A (zh) * | 2012-07-13 | 2012-10-17 | 海尔集团公司 | 提高空调器制热速度的控制方法及控制装置 |
CN104613593A (zh) * | 2014-12-26 | 2015-05-13 | 广东美的制冷设备有限公司 | 空调器及其电加热控制方法 |
CN106288239A (zh) * | 2016-10-11 | 2017-01-04 | 青岛海尔空调器有限总公司 | 一种空调运行的控制方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6334459A (ja) * | 1986-07-29 | 1988-02-15 | 株式会社東芝 | 空気調和機 |
US6102114A (en) * | 1997-09-30 | 2000-08-15 | Matsushita Electric Industrial Co., Ltd. | Multi-room air conditioning system |
KR100386703B1 (ko) * | 2000-08-28 | 2003-06-02 | 프라임휴텍 주식회사 | 쾌적한 공조를 위한 실내 온열환경과 이산화탄소 농도 제어방법 |
US6397610B1 (en) * | 2001-05-01 | 2002-06-04 | Cohand Technology Co., Ltd. | Method for controlling air conditioner/heater by coil temperature |
US9157646B2 (en) * | 2010-09-13 | 2015-10-13 | Honeywell International Inc. | Automatic changeover control for an HVAC system |
JP4993014B2 (ja) * | 2010-09-30 | 2012-08-08 | ダイキン工業株式会社 | コントローラおよび空調処理システム |
US10054349B2 (en) * | 2012-07-20 | 2018-08-21 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
KR20150038977A (ko) * | 2013-10-01 | 2015-04-09 | 엘지전자 주식회사 | Hvac 컨트롤러 |
US9933176B2 (en) | 2014-01-24 | 2018-04-03 | Trane International Inc. | Latent capacity adjustment |
CN104501360B (zh) | 2014-12-17 | 2017-06-06 | 广东美的制冷设备有限公司 | 空调器及其除湿控制方法 |
CN105042797B (zh) * | 2015-08-31 | 2018-01-23 | 青岛海尔空调器有限总公司 | 一种壁挂式变频空调器控制方法 |
CN105222277B (zh) * | 2015-10-09 | 2018-05-08 | Tcl空调器(中山)有限公司 | 一种变频空调室外机快速启动压缩机的控制方法及系统 |
CN105485856B (zh) | 2015-12-31 | 2019-04-02 | 广东美的制冷设备有限公司 | 空调系统及空调系统制热状态下的异常检测方法 |
CN106016600B (zh) * | 2016-05-25 | 2018-12-18 | 青岛海尔空调器有限总公司 | 变频空调频率控制方法、控制装置及变频空调 |
CN106500242B (zh) | 2016-10-11 | 2020-05-29 | 青岛海尔空调器有限总公司 | 一种空调运行控制方法 |
CN106524433B (zh) * | 2016-12-08 | 2019-11-05 | 青岛海尔空调器有限总公司 | 定频空调控制方法 |
-
2017
- 2017-03-30 CN CN201710199530.7A patent/CN107023940B/zh active Active
- 2017-05-26 US US16/475,074 patent/US11181287B2/en active Active
- 2017-05-26 EP EP17903129.9A patent/EP3564596B1/en active Active
- 2017-05-26 WO PCT/CN2017/086058 patent/WO2018176621A1/zh unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100128955A (ko) * | 2009-05-29 | 2010-12-08 | 엘지전자 주식회사 | 공기조화기 및 그 운전 방법 |
CN102734898A (zh) * | 2012-07-13 | 2012-10-17 | 海尔集团公司 | 提高空调器制热速度的控制方法及控制装置 |
CN104613593A (zh) * | 2014-12-26 | 2015-05-13 | 广东美的制冷设备有限公司 | 空调器及其电加热控制方法 |
CN106288239A (zh) * | 2016-10-11 | 2017-01-04 | 青岛海尔空调器有限总公司 | 一种空调运行的控制方法 |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019134485A1 (zh) * | 2018-01-03 | 2019-07-11 | 广东美的暖通设备有限公司 | 热泵空调机组及其节能控制方法和控制装置 |
CN108302712A (zh) * | 2018-01-03 | 2018-07-20 | 广东美的暖通设备有限公司 | 热泵空调机组及其节能控制方法和控制装置 |
CN109945434A (zh) * | 2019-03-20 | 2019-06-28 | 珠海格力电器股份有限公司 | 空调的控制方法、装置和空调 |
CN109945434B (zh) * | 2019-03-20 | 2020-05-05 | 珠海格力电器股份有限公司 | 空调的控制方法、装置和空调 |
CN111594977A (zh) * | 2020-04-08 | 2020-08-28 | 宁波奥克斯电气股份有限公司 | 一种制热控制方法及空调器 |
CN111649439B (zh) * | 2020-05-08 | 2021-12-31 | 宁波奥克斯电气股份有限公司 | 一种空调控制方法 |
CN111649439A (zh) * | 2020-05-08 | 2020-09-11 | 宁波奥克斯电气股份有限公司 | 一种空调控制方法 |
CN112303840A (zh) * | 2020-09-17 | 2021-02-02 | 珠海格力电器股份有限公司 | 一种空调器及其出风温度控制方法 |
CN112503742A (zh) * | 2020-12-02 | 2021-03-16 | 珠海格力电器股份有限公司 | 一种确定空调出风转速的方法和装置 |
CN112984736A (zh) * | 2021-02-23 | 2021-06-18 | 青岛海尔空调器有限总公司 | 一种下出风空调的控制方法和下出风空调 |
CN112984736B (zh) * | 2021-02-23 | 2022-08-19 | 青岛海尔空调器有限总公司 | 一种下出风空调的控制方法和下出风空调 |
CN113465097A (zh) * | 2021-05-18 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | 空调器舒适性控制方法、装置及空调器 |
CN114963448A (zh) * | 2022-05-20 | 2022-08-30 | 珠海格力电器股份有限公司 | 一种空调器控制方法、装置、空调器及存储介质 |
Also Published As
Publication number | Publication date |
---|---|
US11181287B2 (en) | 2021-11-23 |
CN107023940B (zh) | 2019-12-03 |
EP3564596A4 (en) | 2020-07-29 |
EP3564596A1 (en) | 2019-11-06 |
US20190323717A1 (en) | 2019-10-24 |
WO2018176621A1 (zh) | 2018-10-04 |
EP3564596B1 (en) | 2023-03-22 |
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