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EP2985547A4 - Heat pump unit and heat pump unit operation method - Google Patents

Heat pump unit and heat pump unit operation method

Info

Publication number
EP2985547A4
EP2985547A4 EP14782222.5A EP14782222A EP2985547A4 EP 2985547 A4 EP2985547 A4 EP 2985547A4 EP 14782222 A EP14782222 A EP 14782222A EP 2985547 A4 EP2985547 A4 EP 2985547A4
Authority
EP
European Patent Office
Prior art keywords
heat pump
pump unit
operation method
unit operation
heat
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.)
Withdrawn
Application number
EP14782222.5A
Other languages
German (de)
French (fr)
Other versions
EP2985547A1 (en
Inventor
Kazuo Miyoshi
Atsushi Hirata
Noboru Hiramoto
Yoshiyasu Matsuda
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.)
IHI Corp
IHI Machinery and Furnace Co Ltd
Original Assignee
IHI Corp
IHI Machinery and Furnace Co 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.)
Filing date
Publication date
Application filed by IHI Corp, IHI Machinery and Furnace Co Ltd filed Critical IHI Corp
Publication of EP2985547A1 publication Critical patent/EP2985547A1/en
Publication of EP2985547A4 publication Critical patent/EP2985547A4/en
Withdrawn legal-status Critical Current

Links

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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/27—Problems to be solved characterised by the stop of the refrigeration 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling 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
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Lubricants (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP14782222.5A 2013-04-10 2014-04-07 Heat pump unit and heat pump unit operation method Withdrawn EP2985547A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013082117A JP2014202469A (en) 2013-04-10 2013-04-10 Heat pump unit and operation method of heat pump unit
PCT/JP2014/060105 WO2014168117A1 (en) 2013-04-10 2014-04-07 Heat pump unit and heat pump unit operation method

Publications (2)

Publication Number Publication Date
EP2985547A1 EP2985547A1 (en) 2016-02-17
EP2985547A4 true EP2985547A4 (en) 2016-11-09

Family

ID=51689524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14782222.5A Withdrawn EP2985547A4 (en) 2013-04-10 2014-04-07 Heat pump unit and heat pump unit operation method

Country Status (4)

Country Link
EP (1) EP2985547A4 (en)
JP (1) JP2014202469A (en)
TW (1) TWI564523B (en)
WO (1) WO2014168117A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6565897B2 (en) * 2016-12-27 2019-08-28 ダイキン工業株式会社 Liquid level state discriminating apparatus, refrigeration apparatus equipped with the same, and liquid level state discriminating program
CN109556308B (en) * 2018-11-28 2020-12-04 宁波奥克斯电气股份有限公司 A kind of control method and air conditioner for low temperature startup of air source heat pump system air conditioner
JP2019190820A (en) * 2019-05-31 2019-10-31 ダイキン工業株式会社 Liquid surface state determination device, freezing device including the same and liquid surface state determination program
CN110542237B (en) * 2019-09-12 2021-03-30 广东美的制冷设备有限公司 Air conditioner, operation control method and device thereof and computer readable storage medium
CN116062825B (en) * 2023-04-06 2023-06-23 山西清凯环保工程有限公司 High-salt wastewater salt extraction device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626716A (en) * 1992-04-21 1994-02-04 Daikin Ind Ltd Operation control device for air conditioner
US20070062207A1 (en) * 2005-09-21 2007-03-22 Masayuki Aiyama Heat source apparatus and method of starting the apparatus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6055959U (en) * 1983-09-26 1985-04-19 株式会社東芝 air conditioner
JPS63290353A (en) * 1987-05-21 1988-11-28 松下冷機株式会社 Heat pump type air conditioner
JPH05164437A (en) * 1991-12-12 1993-06-29 Hitachi Ltd Air conditioner
JPH1183205A (en) * 1997-09-16 1999-03-26 Daikin Ind Ltd Operation control device for refrigeration equipment
JP3327215B2 (en) * 1998-07-22 2002-09-24 三菱電機株式会社 Method for determining refrigerant charge of air conditioner
JP4316048B2 (en) * 1999-05-12 2009-08-19 三菱電機株式会社 Refrigerant circulation system
JP2001165511A (en) 1999-12-06 2001-06-22 Kubota Corp Operating method of compressor in refrigeration circuit
JP2009250482A (en) * 2008-04-03 2009-10-29 Ebara Refrigeration Equipment & Systems Co Ltd Compression-type refrigerating machine and method for operating the same
JP5239617B2 (en) * 2008-08-19 2013-07-17 ダイキン工業株式会社 Refrigeration equipment
JP5659403B2 (en) * 2010-07-02 2015-01-28 パナソニックＩｐマネジメント株式会社 Refrigeration cycle equipment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626716A (en) * 1992-04-21 1994-02-04 Daikin Ind Ltd Operation control device for air conditioner
US20070062207A1 (en) * 2005-09-21 2007-03-22 Masayuki Aiyama Heat source apparatus and method of starting the apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014168117A1 *

Also Published As

Publication number Publication date
EP2985547A1 (en) 2016-02-17
JP2014202469A (en) 2014-10-27
TW201502451A (en) 2015-01-16
TWI564523B (en) 2017-01-01
WO2014168117A1 (en) 2014-10-16

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20150828

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Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20161007

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 40/00 20060101ALI20160930BHEP

Ipc: F25B 1/00 20060101AFI20160930BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20170505