WO2008117511A1 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

Info

Publication number
WO2008117511A1
WO2008117511A1 PCT/JP2008/000383 JP2008000383W WO2008117511A1 WO 2008117511 A1 WO2008117511 A1 WO 2008117511A1 JP 2008000383 W JP2008000383 W JP 2008000383W WO 2008117511 A1 WO2008117511 A1 WO 2008117511A1
Authority
WO
WIPO (PCT)
Prior art keywords
feed pipe
liquid refrigerant
oil feed
opening
temperature
Prior art date
Application number
PCT/JP2008/000383
Other languages
English (en)
French (fr)
Inventor
Masakazu Okamoto
Tetsuya Okamoto
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=39788253&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2008117511(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Daikin Industries, Ltd. filed Critical Daikin Industries, Ltd.
Priority to US12/593,600 priority Critical patent/US8353180B2/en
Priority to ES08720297T priority patent/ES2710669T3/es
Priority to EP08720297.4A priority patent/EP2136158B1/en
Priority to CN2008800100394A priority patent/CN101646908B/zh
Publication of WO2008117511A1 publication Critical patent/WO2008117511A1/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
    • 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
    • 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
    • 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
    • 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
    • F25B2313/023—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
    • 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
    • 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
    • F25B2700/21—Temperatures
    • F25B2700/2105—Oil temperatures
    • 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
    • F25B9/06—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using expanders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Air-Conditioning For Vehicles (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

　油送り管（43）には、開閉弁（70）が設けられる。液冷媒が油分離器（22）から油送り管（43）へ侵入すると、開閉弁（70）で減圧された液冷媒の温度が急激に低下する。温度センサ（73）の検知温度の減少変化量が規定量を超えると、油送り管（43）へ液冷媒が侵入していると判断して開閉弁（70）を閉鎖状態とする。
PCT/JP2008/000383 2007-03-27 2008-02-28 冷凍装置 WO2008117511A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/593,600 US8353180B2 (en) 2007-03-27 2008-02-28 Refrigerating apparatus
ES08720297T ES2710669T3 (es) 2007-03-27 2008-02-28 Dispositivo de refrigeración
EP08720297.4A EP2136158B1 (en) 2007-03-27 2008-02-28 Refrigerating device
CN2008800100394A CN101646908B (zh) 2007-03-27 2008-02-28 冷冻装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007-082288 2007-03-27
JP2007082288 2007-03-27
JP2008-041025 2008-02-22
JP2008041025A JP5169295B2 (ja) 2007-03-27 2008-02-22 冷凍装置

Publications (1)

Publication Number Publication Date
WO2008117511A1 true WO2008117511A1 (ja) 2008-10-02

Family

ID=39788253

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000383 WO2008117511A1 (ja) 2007-03-27 2008-02-28 冷凍装置

Country Status (6)

Country Link
US (1) US8353180B2 (ja)
EP (1) EP2136158B1 (ja)
JP (1) JP5169295B2 (ja)
CN (1) CN101646908B (ja)
ES (1) ES2710669T3 (ja)
WO (1) WO2008117511A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101738033A (zh) * 2008-11-21 2010-06-16 湖南艾捷能节能科技有限公司 制冷剂净化节能器
KR20140060699A (ko) * 2012-11-12 2014-05-21 엘지전자 주식회사 오일 분리기 및 이를 사용한 공기조화기
WO2024074729A1 (de) * 2022-10-07 2024-04-11 TEKO Gesellschaft für Kältetechnik mbH Verfahren zur regelung des füllstandes eines ölabscheiders für einen kältekreislauf und assoziiertes system

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JP5103952B2 (ja) * 2007-03-08 2012-12-19 ダイキン工業株式会社 冷凍装置
JP4787794B2 (ja) * 2007-06-25 2011-10-05 三星電子株式会社 低圧容器型圧縮機における油面検知機構及び空気調和機
JP5409318B2 (ja) * 2009-12-15 2014-02-05 三菱電機株式会社 ヒートポンプ装置及びヒートポンプ装置の運転方法
JPWO2011099067A1 (ja) * 2010-02-10 2013-06-13 三菱電機株式会社 冷凍サイクル装置
US8786455B2 (en) * 2011-06-23 2014-07-22 Ford Motor Company Tool lubrication delivery monitoring system and method
JP5594267B2 (ja) * 2011-09-12 2014-09-24 ダイキン工業株式会社 冷凍装置
JP5825042B2 (ja) * 2011-10-25 2015-12-02 ダイキン工業株式会社 冷凍装置
EP2631566B1 (en) * 2012-02-24 2018-11-21 Airbus Operations GmbH Accumulator arrangement with an integrated sub-cooler
CN103673398B (zh) * 2012-09-07 2015-12-16 珠海格力电器股份有限公司 压缩机回油系统及压缩机的回油状态检测方法
WO2015045129A1 (ja) * 2013-09-27 2015-04-02 三菱電機株式会社 油面検知装置及びこの油面検知装置を搭載した冷凍空調装置
US10598416B2 (en) * 2013-11-04 2020-03-24 Carrier Corporation Refrigeration circuit with oil separation
CN104654665B (zh) * 2013-11-25 2017-02-01 珠海格力电器股份有限公司 多联机系统的室外机模块及具有其的多联机系统
CN104729151B (zh) * 2013-12-23 2017-06-20 珠海格力电器股份有限公司 空调系统的压缩机回油管路故障的处理方法及系统
KR102198326B1 (ko) * 2013-12-26 2021-01-05 엘지전자 주식회사 공기 조화기
US10208987B2 (en) * 2014-02-18 2019-02-19 Mitsubishi Electric Corporation Heat pump with an auxiliary heat exchanger for compressor discharge temperature control
CN103940134B (zh) * 2014-04-03 2016-06-01 天津大学 蒸汽压缩制冷循环膨胀功回收系统
KR102243654B1 (ko) * 2014-04-25 2021-04-23 엘지전자 주식회사 공기조화장치
US10295236B2 (en) * 2014-08-13 2019-05-21 Trane International Inc. Compressor heating system
JP6395549B2 (ja) * 2014-10-02 2018-09-26 三菱重工サーマルシステムズ株式会社 オイルセパレータ、冷凍サイクル装置、及び、オイル戻し量の制御方法
CN104456840B (zh) * 2014-11-13 2017-06-13 广东美的制冷设备有限公司 喷气增焓型空调及其控制方法
KR101639513B1 (ko) * 2015-01-12 2016-07-13 엘지전자 주식회사 공기 조화기 및 이를 제어하는 방법
US10408513B2 (en) * 2015-02-18 2019-09-10 Heatcraft Refrigeration Products, Inc. Oil line control system
WO2016157282A1 (ja) * 2015-03-27 2016-10-06 三菱電機株式会社 冷凍サイクル装置
CN105115204B (zh) * 2015-08-14 2017-08-08 浙江大学 一种可控制润滑油循环量的气液分离器和控制方法
US10900695B2 (en) * 2015-11-20 2021-01-26 Mitsubishi Electric Corporation Refrigeration cycle apparatus
EP3534086B1 (en) * 2016-10-31 2021-11-24 Mitsubishi Electric Corporation Refrigeration cycle device
CN106403418B (zh) * 2016-11-07 2022-03-08 广州天河兰石技术开发有限公司 一种用于制冷元器件测试的含油率控制装置
JP6458895B2 (ja) * 2017-05-31 2019-01-30 ダイキン工業株式会社 冷凍装置の気液分離ユニット、及び冷凍装置
WO2019021431A1 (ja) * 2017-07-27 2019-01-31 三菱電機株式会社 冷凍サイクル装置
JP7233517B2 (ja) * 2019-02-28 2023-03-06 三菱電機株式会社 冷凍サイクル装置
EP3967950A4 (en) 2019-05-31 2022-06-22 Daikin Industries, Ltd. REFRIGERATION DEVICE
CN111426040B (zh) * 2020-04-03 2021-12-14 广东美的暖通设备有限公司 空调设备、空调设备的运行控制方法和可读存储介质
US20230067007A1 (en) * 2020-04-07 2023-03-02 Mitsubishi Electric Corporation Refrigeration cycle device
CN113551390B (zh) * 2020-04-14 2022-08-19 青岛海尔空调器有限总公司 空调器的压缩机回油控制方法
CN113551447B (zh) * 2020-04-14 2023-03-21 青岛海尔空调器有限总公司 制热模式下空调系统的压缩机回油控制方法和控制系统
DE102020115276A1 (de) * 2020-06-09 2021-12-09 Stiebel Eltron Gmbh & Co. Kg Verfahren zum Regeln einer Kompressionskälteanlage und Kompressionskälteanlage
DE102021125108A1 (de) 2021-09-28 2023-03-30 Technische Universität Dresden, Körperschaft des öffentlichen Rechts Expansions-Kompressionsmaschine für Kältekreisläufe

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101738033A (zh) * 2008-11-21 2010-06-16 湖南艾捷能节能科技有限公司 制冷剂净化节能器
KR20140060699A (ko) * 2012-11-12 2014-05-21 엘지전자 주식회사 오일 분리기 및 이를 사용한 공기조화기
KR101995581B1 (ko) 2012-11-12 2019-07-02 엘지전자 주식회사 오일 분리기 및 이를 사용한 공기조화기
WO2024074729A1 (de) * 2022-10-07 2024-04-11 TEKO Gesellschaft für Kältetechnik mbH Verfahren zur regelung des füllstandes eines ölabscheiders für einen kältekreislauf und assoziiertes system

Also Published As

Publication number Publication date
EP2136158A1 (en) 2009-12-23
CN101646908B (zh) 2011-11-16
US8353180B2 (en) 2013-01-15
ES2710669T3 (es) 2019-04-26
JP2008267787A (ja) 2008-11-06
EP2136158A4 (en) 2015-06-03
US20100126211A1 (en) 2010-05-27
CN101646908A (zh) 2010-02-10
JP5169295B2 (ja) 2013-03-27
EP2136158B1 (en) 2018-11-14

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