WO2009004779A1 - 冷凍装置 - Google Patents
冷凍装置 Download PDFInfo
- 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
Links
Classifications
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- 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)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Air Conditioning Control Device (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。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007-173437 | 2007-06-29 | ||
JP2007173437 | 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)
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***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***、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*** |
Citations (7)
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 |
-
2008
- 2008-06-27 WO PCT/JP2008/001688 patent/WO2009004779A1/ja active Application Filing
Patent Citations (7)
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)
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***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***、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*** |
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*** |
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