WO2009004779A1 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

Info

Publication number
WO2009004779A1
WO2009004779A1 PCT/JP2008/001688 JP2008001688W WO2009004779A1 WO 2009004779 A1 WO2009004779 A1 WO 2009004779A1 JP 2008001688 W JP2008001688 W JP 2008001688W WO 2009004779 A1 WO2009004779 A1 WO 2009004779A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
refrigerant circuit
side compressor
stage side
loss value
Prior art date
Application number
PCT/JP2008/001688
Other languages
English (en)
French (fr)
Inventor
Shinichi Kasahara
Shuji Fujimoto
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
Priority claimed from JP2008093385A external-priority patent/JP5136165B2/ja
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Publication of WO2009004779A1 publication Critical patent/WO2009004779A1/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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2313/005—Outdoor unit 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/0272—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using bridge circuits of one-way 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • 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
    • F25B2600/25—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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

　　超臨界二段圧縮冷凍サイクルを行う冷媒回路（20）を備えた空気調和装置は、冷媒回路（20）における気液分離器（25）から低段側圧縮機（21b）の吸入側へ流れる冷媒の圧力損失値を予め取得する試運転データ取得部（50a）と、冷媒回路（20）における中間圧及び低圧の圧力差が試運転データ取得部（50a）で取得した圧力損失値以上になるように、且つ中間圧が臨界圧力よりも低くなるように、低段側圧縮機（21b）と高段側圧縮機（21a）との運転周波数、及び室外膨張弁（24）の開度を調整する運転制御部（50b）とを設けている。
PCT/JP2008/001688 2007-06-29 2008-06-27 冷凍装置 WO2009004779A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007173437 2007-06-29
JP2007-173437 2007-06-29
JP2008093385A JP5136165B2 (ja) 2007-06-29 2008-03-31 冷凍装置
JP2008-093385 2008-03-31

Publications (1)

Publication Number Publication Date
WO2009004779A1 true WO2009004779A1 (ja) 2009-01-08

Family

ID=40225844

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/001688 WO2009004779A1 (ja) 2007-06-29 2008-06-27 冷凍装置

Country Status (1)

Country Link
WO (1) WO2009004779A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105588358A (zh) * 2014-11-13 2016-05-18 海信（山东）空调有限公司 一种补气增焓空调系统及空调器
CN105928244A (zh) * 2016-06-24 2016-09-07 海信（山东）空调有限公司 一种空调制冷剂循环系统、空调器及空调器控制方法
CN106152606A (zh) * 2016-08-31 2016-11-23 广东美芝制冷设备有限公司 制冷剂的换向装置及具有其的制冷系统

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195256A (ja) * 1987-10-06 1989-04-13 Sanki Eng Co Ltd 直膨冷凍装置
JPH03129253A (ja) * 1989-10-13 1991-06-03 Hitachi Ltd 冷凍装置
JPH05187723A (ja) * 1992-01-07 1993-07-27 Mitsubishi Electric Corp 冷凍装置
JP2001221518A (ja) * 2000-02-10 2001-08-17 Daikin Ind Ltd 冷凍装置
JP2003262413A (ja) * 2002-03-06 2003-09-19 Denso Corp エジェクタサイクル
JP2005214575A (ja) * 2004-02-02 2005-08-11 Sanyo Electric Co Ltd 冷凍装置
JP2006343017A (ja) * 2005-06-08 2006-12-21 Sanyo Electric Co Ltd 冷凍装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0195256A (ja) * 1987-10-06 1989-04-13 Sanki Eng Co Ltd 直膨冷凍装置
JPH03129253A (ja) * 1989-10-13 1991-06-03 Hitachi Ltd 冷凍装置
JPH05187723A (ja) * 1992-01-07 1993-07-27 Mitsubishi Electric Corp 冷凍装置
JP2001221518A (ja) * 2000-02-10 2001-08-17 Daikin Ind Ltd 冷凍装置
JP2003262413A (ja) * 2002-03-06 2003-09-19 Denso Corp エジェクタサイクル
JP2005214575A (ja) * 2004-02-02 2005-08-11 Sanyo Electric Co Ltd 冷凍装置
JP2006343017A (ja) * 2005-06-08 2006-12-21 Sanyo Electric Co Ltd 冷凍装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105588358A (zh) * 2014-11-13 2016-05-18 海信（山东）空调有限公司 一种补气增焓空调系统及空调器
CN105928244A (zh) * 2016-06-24 2016-09-07 海信（山东）空调有限公司 一种空调制冷剂循环系统、空调器及空调器控制方法
CN106152606A (zh) * 2016-08-31 2016-11-23 广东美芝制冷设备有限公司 制冷剂的换向装置及具有其的制冷系统
CN106152606B (zh) * 2016-08-31 2018-10-02 广东美芝制冷设备有限公司 制冷剂的换向装置及具有其的制冷系统

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