WO2008102766A1 - 冷媒サイクル及びその制御方法 - Google Patents

冷媒サイクル及びその制御方法 Download PDF

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Publication number
WO2008102766A1
WO2008102766A1 PCT/JP2008/052746 JP2008052746W WO2008102766A1 WO 2008102766 A1 WO2008102766 A1 WO 2008102766A1 JP 2008052746 W JP2008052746 W JP 2008052746W WO 2008102766 A1 WO2008102766 A1 WO 2008102766A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric noise
reduced
controlling
same
refrigerant cycle
Prior art date
Application number
PCT/JP2008/052746
Other languages
English (en)
French (fr)
Inventor
Morikuni Natsume
Hiroshi Doumae
Satoshi Yagi
Yasuaki Miyaba
Hisashi Sumida
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.)
Filing date
Publication date
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to EP08711570A priority Critical patent/EP2128544A1/en
Priority to US12/527,828 priority patent/US8266920B2/en
Priority to CN2008800052901A priority patent/CN101617180B/zh
Publication of WO2008102766A1 publication Critical patent/WO2008102766A1/ja

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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/345—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
    • F25B41/347—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids with the valve member being opened and closed cyclically, e.g. with pulse width modulation
    • 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
    • F25B2500/12—Sound
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Control Of Temperature (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

　本発明は膨張弁の構成を変更することなく電気ノイズの対策の要否に応じて電気ノイズを低減することを目的とする。電気ノイズ対策が必要か否かの判断結果が肯定的である場合、膨張弁（１０７）の駆動タイミング（間隔）を大きくする。また駆動量を小さくする。これにより冷媒の流れが緩慢となり、指令された温度制御を行いつつも発生する電気ノイズを小さくすることができる。
PCT/JP2008/052746 2007-02-20 2008-02-19 冷媒サイクル及びその制御方法 WO2008102766A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08711570A EP2128544A1 (en) 2007-02-20 2008-02-19 Refrigerant cycle and method for controlling the same
US12/527,828 US8266920B2 (en) 2007-02-20 2008-02-19 Refrigerant cycle and method of controlling the same
CN2008800052901A CN101617180B (zh) 2007-02-20 2008-02-19 制冷剂循环及其控制方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-038818 2007-02-20
JP2007038818 2007-02-20

Publications (1)

Publication Number Publication Date
WO2008102766A1 true WO2008102766A1 (ja) 2008-08-28

Family

ID=39710043

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052746 WO2008102766A1 (ja) 2007-02-20 2008-02-19 冷媒サイクル及びその制御方法

Country Status (5)

Country Link
US (1) US8266920B2 (ja)
EP (1) EP2128544A1 (ja)
JP (1) JP4416037B2 (ja)
CN (1) CN101617180B (ja)
WO (1) WO2008102766A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456903A (zh) * 2013-09-16 2015-03-25 珠海格力电器股份有限公司 空调噪音调节方法和装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105783350B (zh) * 2014-12-16 2018-12-18 青岛海尔空调器有限总公司 一种空调电子膨胀阀控制方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09133434A (ja) 1995-11-09 1997-05-20 Matsushita Electric Ind Co Ltd パルス式電子膨張弁冷媒回路
JP2002267279A (ja) * 2001-03-06 2002-09-18 Zexel Valeo Climate Control Corp 冷凍サイクル制御装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4873836A (en) * 1988-06-06 1989-10-17 Eaton Corporation Flow noise suppression for electronic valves
US5950439A (en) * 1997-01-21 1999-09-14 Nartron Corporation Methods and systems for controlling a refrigeration system
JPH10300291A (ja) 1997-04-24 1998-11-13 Daikin Ind Ltd 冷凍機の運転制御装置
CN2442196Y (zh) * 2000-06-29 2001-08-08 海信集团公司 空调器
CN2791417Y (zh) * 2004-12-14 2006-06-28 浙江三花制冷集团有限公司 一种热力膨胀阀的开度调节结构
KR101199382B1 (ko) * 2006-02-17 2012-11-09 엘지전자 주식회사 공기 조화기 및 그 제어방법

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09133434A (ja) 1995-11-09 1997-05-20 Matsushita Electric Ind Co Ltd パルス式電子膨張弁冷媒回路
JP2002267279A (ja) * 2001-03-06 2002-09-18 Zexel Valeo Climate Control Corp 冷凍サイクル制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104456903A (zh) * 2013-09-16 2015-03-25 珠海格力电器股份有限公司 空调噪音调节方法和装置

Also Published As

Publication number Publication date
JP4416037B2 (ja) 2010-02-17
JP2008232609A (ja) 2008-10-02
CN101617180B (zh) 2012-01-11
US8266920B2 (en) 2012-09-18
CN101617180A (zh) 2009-12-30
EP2128544A1 (en) 2009-12-02
US20100036532A1 (en) 2010-02-11

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