EP3546850A4 - COOLING DEVICE - Google Patents

COOLING DEVICE Download PDF

Info

Publication number: EP3546850A4
Authority: EP; European Patent Office
Prior art keywords: cooling device; cooling
Prior art date: 2016-11-24
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

Application number

EP17872915.8A

Other languages

German (de)

French (fr)

Other versions

EP3546850B1 (en

EP3546850B8 (en

EP3546850A1 (en

Inventor

Azuma Kondou

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.)

2016-11-24

Filing date

2017-11-22

Publication date

2020-08-19

2017-11-22 Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd

2019-10-02 Publication of EP3546850A1 publication Critical patent/EP3546850A1/en

2020-08-19 Publication of EP3546850A4 publication Critical patent/EP3546850A4/en

2023-01-04 Publication of EP3546850B1 publication Critical patent/EP3546850B1/en

2023-02-08 Application granted granted Critical

2023-02-08 Publication of EP3546850B8 publication Critical patent/EP3546850B8/en

Status Active legal-status Critical Current

2037-11-22 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
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
- 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
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
- 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
- F25B2500/16—Lubrication
- 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
- F25B2600/0251—Compressor control by controlling speed with on-off operation
- 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
- F25B2600/05—Refrigerant levels
- 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
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass valves
- 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
- F25B2600/25—Control of valves
- F25B2600/2509—Economiser valves
- 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
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
- 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
- F25B2700/03—Oil 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
- F25B2700/1931—Discharge 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
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mechanical Engineering (AREA)
Thermal Sciences (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Power Engineering (AREA)
Air Conditioning Control Device (AREA)

EP17872915.8A 2016-11-24 2017-11-22 Refrigeration device Active EP3546850B8 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2016227658A JP6390688B2 (en)	2016-11-24	2016-11-24	Refrigeration equipment
PCT/JP2017/041919 WO2018097154A1 (en)	2016-11-24	2017-11-22	Refrigeration device

Publications (4)

Publication Number	Publication Date
EP3546850A1 EP3546850A1 (en)	2019-10-02
EP3546850A4 true EP3546850A4 (en)	2020-08-19
EP3546850B1 EP3546850B1 (en)	2023-01-04
EP3546850B8 EP3546850B8 (en)	2023-02-08

Family

ID=62195186

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP17872915.8A Active EP3546850B8 (en)	2016-11-24	2017-11-22	Refrigeration device

Country Status (5)

Country	Link
US (1)	US20190360725A1 (en)
EP (1)	EP3546850B8 (en)
JP (1)	JP6390688B2 (en)
CN (1)	CN110023692B (en)
WO (1)	WO2018097154A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7183381B2 (en) *	2019-03-06	2022-12-05	三菱電機株式会社	refrigeration cycle equipment
JP2020183850A (en) *	2019-05-09	2020-11-12	パナソニックＩｐマネジメント株式会社	Refrigeration cycle device and liquid heating device including the same
US12038210B2 (en) *	2019-08-07	2024-07-16	Mitsubishi Electric Corporation	Chilling unit
JP6844667B2 (en) *	2019-08-21	2021-03-17	ダイキン工業株式会社	Heat source unit and refrigeration equipment
CN113587499B (en) *	2020-04-14	2022-10-28	青岛海尔空调器有限总公司	Refrigerating machine oil circulation amount control method of air conditioning system
US11536498B2 (en) *	2020-05-11	2022-12-27	Hill Phoenix, Inc.	Refrigeration system with efficient expansion device control, liquid refrigerant return, oil return, and evaporator defrost
EP4083536A1 (en) *	2021-04-26	2022-11-02	Electrolux Appliances Aktiebolag	Improved cooling system control
JP7299540B1 (en) *	2022-03-31	2023-06-28	ダイキン工業株式会社	refrigeration equipment
TWI885392B (en) *	2023-06-21	2025-06-01	復盛股份有限公司	Cooling system and controlling method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0674579A (en) *	1992-08-26	1994-03-15	Daikin Ind Ltd	Refrigeration equipment
JP2010071614A (en) *	2008-09-22	2010-04-02	Hitachi Appliances Inc	Refrigerating device
JP2014181878A (en) *	2013-03-21	2014-09-29	Aisin Seiki Co Ltd	Air conditioner
WO2016174822A1 (en) *	2015-04-28	2016-11-03	ダイキン工業株式会社	Refrigeration apparatus

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4521967B2 (en) *	2000-10-19	2010-08-11	株式会社神戸製鋼所	Oil-cooled compression refrigerator
JP2006170500A (en) *	2004-12-14	2006-06-29	Mitsubishi Heavy Ind Ltd	Air conditioner and its operating method
CN101576337B (en) *	2009-04-28	2010-09-08	浙江盾安机电科技有限公司	Intelligent oil path control system
JP5414482B2 (en) *	2009-12-01	2014-02-12	日立アプライアンス株式会社	Air conditioner
JP5783783B2 (en) *	2011-04-22	2015-09-24	三菱電機株式会社	Heat source side unit and refrigeration cycle apparatus
CN103162469B (en) *	2011-12-19	2015-01-07	珠海格力电器股份有限公司	Oil return control method and device of air conditioner and air conditioner
KR102198326B1 (en) *	2013-12-26	2021-01-05	엘지전자 주식회사	Air conditioner
JP6340681B2 (en) *	2014-02-06	2018-06-13	パナソニックＩｐマネジメント株式会社	Refrigeration circuit
JP6338698B2 (en) *	2015-01-29	2018-06-06	三菱電機株式会社	Refrigeration cycle equipment
JP6187514B2 (en) *	2015-03-20	2017-08-30	ダイキン工業株式会社	Refrigeration equipment
CN205580038U (en) *	2016-04-14	2016-09-14	福建欣隆环保有限公司	Supercritical carbon dioxide heat pump return oil system is striden to industrial, commercial MW level

2016
- 2016-11-24 JP JP2016227658A patent/JP6390688B2/en active Active
2017
- 2017-11-22 CN CN201780072664.0A patent/CN110023692B/en active Active
- 2017-11-22 EP EP17872915.8A patent/EP3546850B8/en active Active
- 2017-11-22 WO PCT/JP2017/041919 patent/WO2018097154A1/en not_active Ceased
- 2017-11-22 US US16/463,490 patent/US20190360725A1/en not_active Abandoned

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0674579A (en) *	1992-08-26	1994-03-15	Daikin Ind Ltd	Refrigeration equipment
JP2010071614A (en) *	2008-09-22	2010-04-02	Hitachi Appliances Inc	Refrigerating device
JP2014181878A (en) *	2013-03-21	2014-09-29	Aisin Seiki Co Ltd	Air conditioner
WO2016174822A1 (en) *	2015-04-28	2016-11-03	ダイキン工業株式会社	Refrigeration apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018097154A1 *

Also Published As

Publication number	Publication date
EP3546850B1 (en)	2023-01-04
JP2018084375A (en)	2018-05-31
CN110023692A (en)	2019-07-16
EP3546850B8 (en)	2023-02-08
EP3546850A1 (en)	2019-10-02
JP6390688B2 (en)	2018-09-19
CN110023692B (en)	2021-08-06
WO2018097154A1 (en)	2018-05-31
US20190360725A1 (en)	2019-11-28

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DK3404169T3 (en)	2021-04-26	GONDOL DEVICE
EP3477691A4 (en)	2020-01-22	RETAINING DEVICE
EP3528723C0 (en)	2023-08-16	INTRAOSSARY ACCESS DEVICE
DK3066730T3 (en)	2021-01-11	Cooling device
DK3108190T3 (en)	2020-04-06	COOLING DEVICES
EP3518638A4 (en)	2020-05-27	COOLING DEVICE
DK3191782T3 (en)	2021-02-01	COMPACT INDIRECT EVAPORATIVE COOLING DEVICE
DK3426850T3 (en)	2020-01-13	KABELLÆGNINGS device
EP3546850A4 (en)	2020-08-19	COOLING DEVICE
DK3147601T3 (en)	2021-10-25	COOLING DEVICE
DK3134692T3 (en)	2020-09-21	COOLING DEVICE
KR20180084984A (en)	2018-07-25	Chiller device
EP3667203A4 (en)	2020-12-02	COOLING DEVICE
EP3614079A4 (en)	2021-01-06	COOLING DEVICE
EP3575710A4 (en)	2020-12-23	COOLING DEVICE
EP3554433A4 (en)	2020-07-29	COOLING PAD
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EP3614078A4 (en)	2021-01-06	COOLING DEVICE
DK3350667T3 (en)	2019-11-04	FAN DEVICE
EP3575713A4 (en)	2020-12-02	COOLING DEVICE

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