EP2314958B1 - Method for judging amount of refrigerant of air conditioner and air conditioner - Google Patents

Method for judging amount of refrigerant of air conditioner and air conditioner

Info

Publication number: EP2314958B1
Authority: EP; European Patent Office
Prior art keywords: air conditioner; refrigerant; judging amount; judging; amount
Prior art date: 2008-06-27
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn - After Issue

Application number

EP09769910.2A

Other languages

German (de)

French (fr)

Other versions

EP2314958A1 (en

EP2314958A4 (en

Inventor

Takahiro Yamaguchi

Takuro Yamada

Masahiro Yamada

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Daikin Industries Ltd

Original Assignee

Daikin Industries Ltd

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.)

2008-06-27

Filing date

2009-06-25

Publication date

2018-11-21

2009-06-25 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2011-04-27 Publication of EP2314958A1 publication Critical patent/EP2314958A1/en

2014-11-26 Publication of EP2314958A4 publication Critical patent/EP2314958A4/en

2018-11-21 Application granted granted Critical

2018-11-21 Publication of EP2314958B1 publication Critical patent/EP2314958B1/en

Status Withdrawn - After Issue legal-status Critical Current

2029-06-25 Anticipated expiration legal-status Critical

Classifications

- 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
- F25B49/005—Arrangement or mounting of control or safety devices of 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0313—Pressure sensors near the outdoor heat exchanger
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
- 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
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
- 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
- F25B2600/19—Refrigerant outlet condenser 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
- F25B2600/21—Refrigerant outlet evaporator 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/04—Refrigerant level
- 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
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
- 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
- F25B2700/2106—Temperatures of fresh outdoor air

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Air Conditioning Control Device (AREA)

EP09769910.2A 2008-06-27 2009-06-25 Method for judging amount of refrigerant of air conditioner and air conditioner Withdrawn - After Issue EP2314958B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2008169596A JP2010007995A (en)	2008-06-27	2008-06-27	Refrigerant amount determining method of air conditioning device, and air conditioning device
PCT/JP2009/002913 WO2009157200A1 (en)	2008-06-27	2009-06-25	Method for judging amount of refrigerant of air conditioner and air conditioner

Publications (3)

Publication Number	Publication Date
EP2314958A1 EP2314958A1 (en)	2011-04-27
EP2314958A4 EP2314958A4 (en)	2014-11-26
EP2314958B1 true EP2314958B1 (en)	2018-11-21

Family

ID=41444272

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP09769910.2A Withdrawn - After Issue EP2314958B1 (en)	2008-06-27	2009-06-25	Method for judging amount of refrigerant of air conditioner and air conditioner

Country Status (6)

Country	Link
US (1)	US20110088414A1 (en)
EP (1)	EP2314958B1 (en)
JP (1)	JP2010007995A (en)
CN (1)	CN102077042B (en)
AU (1)	AU2009263640B2 (en)
WO (1)	WO2009157200A1 (en)

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US20110219790A1 (en) *	2010-03-14	2011-09-15	Trane International Inc.	System and Method For Charging HVAC System
JP5447499B2 (en) *	2011-12-28	2014-03-19	ダイキン工業株式会社	Refrigeration equipment
CN103388883B (en) *	2013-07-31	2015-12-02	美的集团武汉制冷设备有限公司	The decision method of refrigrant leakage and transducer air conditioning in transducer air conditioning
CN103712749A (en) *	2013-12-26	2014-04-09	石家庄国祥运输设备有限公司	Method for detecting leakage rate of refrigerant of air conditioners in train
JP6238876B2 (en) *	2014-11-21	2017-11-29	三菱電機株式会社	Refrigeration cycle equipment
CN107110586B (en) *	2015-02-25	2020-01-24	三菱电机株式会社	Refrigerating device
WO2016207992A1 (en) *	2015-06-24	2016-12-29	三菱電機株式会社	Air conditioner
JP2017053566A (en) *	2015-09-10	2017-03-16	ジョンソンコントロールズヒタチエアコンディショニングテクノロジー（ホンコン）リミテッド	Refrigeration cycle device
CN105605739B (en) *	2016-01-12	2018-09-11	广东美的制冷设备有限公司	The monitoring method and device of air-conditioning system and its coolant leakage
CN106016868B (en) *	2016-06-02	2018-10-02	珠海格力电器股份有限公司	Method for automatically adding refrigerant for air conditioning system
US10794621B2 (en) *	2016-11-18	2020-10-06	Lg Electronics Inc.	Air conditoner and method for controlling an air conditioner
JP7215819B2 (en) *	2017-01-11	2023-01-31	ダイキン工業株式会社	Air conditioner and indoor unit
JP2018141607A (en) *	2017-02-28	2018-09-13	三菱重工サーマルシステムズ株式会社	Refrigerant amount determination device, air conditioning system, refrigerant amount determination method and program
WO2019065635A1 (en) *	2017-09-29	2019-04-04	ダイキン工業株式会社	Refrigerant quantity estimation method and air conditioner
CN110376005B (en) *	2018-04-13	2023-08-22	开利公司	Data processing method, refrigerant leakage detection method, system failure detection method, and system performance detection method
CN110895026B (en) *	2018-09-12	2021-03-12	奥克斯空调股份有限公司	Air conditioner refrigerant leakage detection method and air conditioner using same
EP3816542A1 (en) *	2019-10-29	2021-05-05	Daikin Industries, Ltd.	Refrigerant system
CN113405243A (en) *	2020-03-16	2021-09-17	青岛海尔空调电子有限公司	Control method of air conditioning system
JP2021156530A (en) *	2020-03-27	2021-10-07	株式会社富士通ゼネラル	Air conditioner
JP7435155B2 (en) *	2020-03-27	2024-02-21	株式会社富士通ゼネラル	air conditioner
CN114370689B (en) *	2022-01-27	2023-06-02	宁波奥克斯电气股份有限公司	Refrigerant charge amount determination method, control method, air conditioner, and storage medium
CN117469865B (en) *	2023-12-21	2024-08-16	北京环都拓普空调有限公司	Direct expansion machine and method capable of automatically judging refrigerant filling quantity
CN118149508B (en) *	2024-04-11	2024-08-27	宜所(广东)智能科技有限公司	Automatic air conditioner refrigerant filling system and method thereof

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JP3327215B2 (en) *	1998-07-22	2002-09-24	三菱電機株式会社	Method for determining refrigerant charge of air conditioner
JP3386780B2 (en) *	2000-06-05	2003-03-17	松下冷機株式会社	Refrigeration cycle device
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JP2006292214A (en) *	2005-04-07	2006-10-26	Daikin Ind Ltd	Addition method of refrigerant amount determining function of air conditioner, and air conditioner
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EP2003410A4 (en) *	2006-03-23	2017-05-17	Daikin Industries, Ltd.	Refrigeration system, and analyzer of refrigeration system
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US20110219790A1 (en) *	2010-03-14	2011-09-15	Trane International Inc.	System and Method For Charging HVAC System

2008
- 2008-06-27 JP JP2008169596A patent/JP2010007995A/en active Pending
2009
- 2009-06-25 AU AU2009263640A patent/AU2009263640B2/en not_active Ceased
- 2009-06-25 WO PCT/JP2009/002913 patent/WO2009157200A1/en active Application Filing
- 2009-06-25 US US12/999,734 patent/US20110088414A1/en not_active Abandoned
- 2009-06-25 EP EP09769910.2A patent/EP2314958B1/en not_active Withdrawn - After Issue
- 2009-06-25 CN CN2009801248092A patent/CN102077042B/en not_active Expired - Fee Related

Non-Patent Citations (1)

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Also Published As

Publication number	Publication date
US20110088414A1 (en)	2011-04-21
CN102077042B (en)	2013-04-17
JP2010007995A (en)	2010-01-14
WO2009157200A1 (en)	2009-12-30
EP2314958A1 (en)	2011-04-27
AU2009263640A1 (en)	2009-12-30
EP2314958A4 (en)	2014-11-26
AU2009263640B2 (en)	2012-09-06
CN102077042A (en)	2011-05-25

Publication	Publication Date	Title
EP2314958B1 (en)	2018-11-21	Method for judging amount of refrigerant of air conditioner and air conditioner
EP2320169A4 (en)	2014-11-26	Air conditioner and method for determining the amount of refrigerant therein
EP2264386A4 (en)	2017-11-15	Air conditioner and refrigerant amount determining method
EP2511630A4 (en)	2017-09-20	Air conditioner and refrigerant amount detection method for air conditioner
EP2236960A4 (en)	2017-09-13	Air conditioner and method of determining amount of refrigerant
HK1157856A1 (en)	2012-07-06	Refrigeration/air-conditioning apparatus and method of installing the refrigeration/air-conditioning apparatus
EP2636550A4 (en)	2016-11-30	Heat-pump vehicular air conditioner and defrosting method thereof
EP2256435A4 (en)	2014-05-14	Oil return operation method for multi-type air conditioner and multi-type air conditioner
EP2246637A4 (en)	2013-06-19	Indoor unit of air conditioning apparatus
EP2431676A4 (en)	2018-04-04	Air conditioner and method for operating same
EP2383529A4 (en)	2014-07-02	Air conditioner and method of returning refrigerating machine oil
EP2306105A4 (en)	2016-11-30	Air conditioner, air conditioner manufacturing method, and compressor
EP2492616A4 (en)	2015-08-12	Air conditioner and method for installing air conditioner
GB2470475B (en)	2013-08-21	Air conditioning control apparatus and air conditioning control method
EP2255132A4 (en)	2011-11-23	Air conditioner and air conditioning system
EP2264320A4 (en)	2015-04-15	Turbofan and air conditioner
EP2466220A4 (en)	2015-06-17	Air conditioning system and method of controlling air conditioning system
EP2132498A4 (en)	2012-01-25	Air conditioner and control method thereof
IL212354A0 (en)	2011-06-30	Vehicle heating and/or air conditioning method
EP2368074A4 (en)	2012-10-17	Air conditioner and method for controlling the same
EP2239519A4 (en)	2015-01-14	Air conditioning system and address setting method
EP2431677A4 (en)	2016-04-27	Air conditioner and method for operating same
EP2495503A4 (en)	2014-01-22	Controller and air conditioner
EP2327938A4 (en)	2015-07-01	Indoor machine of air conditioner
GB2471368B (en)	2014-12-03	Air conditioning installation and control method

Legal Events

Date	Code	Title	Description
2011-03-25	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2011-04-27	17P	Request for examination filed	Effective date: 20110113
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2011-04-27	AX	Request for extension of the european patent	Extension state: AL BA RS
2011-10-05	DAX	Request for extension of the european patent (deleted)
2014-11-26	A4	Supplementary search report drawn up and despatched	Effective date: 20141028
2014-11-26	RIC1	Information provided on ipc code assigned before grant	Ipc: F25B 49/02 20060101AFI20141022BHEP Ipc: F25B 49/00 20060101ALI20141022BHEP
2018-07-17	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2018-08-15	INTG	Intention to grant announced	Effective date: 20180718
2018-10-13	GRAS	Grant fee paid	Free format text: ORIGINAL CODE: EPIDOSNIGR3
2018-10-19	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
2018-10-26	PUAC	Information related to the publication of a b1 document modified or deleted	Free format text: ORIGINAL CODE: 0009299EPPU
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