JP2014092339A - 空気調和機 - Google Patents
空気調和機 Download PDFInfo
- Publication number
- JP2014092339A JP2014092339A JP2012244492A JP2012244492A JP2014092339A JP 2014092339 A JP2014092339 A JP 2014092339A JP 2012244492 A JP2012244492 A JP 2012244492A JP 2012244492 A JP2012244492 A JP 2012244492A JP 2014092339 A JP2014092339 A JP 2014092339A
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- lubricating oil
- accumulator
- compressor
- oil
- 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.)
- Granted
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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
- 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
-
- 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
- F25B43/006—Accumulators
-
- 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
- F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
-
- 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
- F25B2400/12—Inflammable refrigerants
-
- 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
Abstract
【解決手段】冷媒として、R32単独の冷媒またはR32を所定の質量パーセント以上含む混合冷媒を使用する。室外機100の有する圧縮機104には、液冷媒と潤滑油の二層分離が生じないように所定値以上の潤滑油が混合した冷媒を供給する。返油キャピラリ107を用いて、オイルセパレータ106で分離した潤滑油をアキュムレータ105に戻すことで、アキュムレータ内において二層分離域の発生を抑制する。アキュムレータ105から、適量の液冷媒を含むガス冷媒を圧縮機104に送ることで、圧縮機104に潤滑油を供給することができる。
【選択図】図1
Description
x≧n×R−y・・・(1)
x≧0.5×R−y・・・(2)
となる。
Claims (4)
- 室内機と室外機を配管を介して接続し、冷媒を循環させる空気調和機において、
前記冷媒として、R32単独の冷媒またはR32を所定の質量パーセント以上含む混合冷媒を使用し、
前記室外機の有する圧縮機には、液冷媒と潤滑油の二層分離が生じないように所定値以上の潤滑油が混合した冷媒を供給する、
空気調和機。
- 前記室外機は、
前記圧縮機と、
該圧縮機の吐出側に接続され、前記圧縮機から吐出された冷媒中の油を分離して回収する油分離器と、
前記圧縮機の流入側に接続され、冷媒から液冷媒を分離して蓄積し、ガス冷媒を前記圧縮機に供給するためのアキュムレータと、
前記油分離器で分離した潤滑油を前記アキュムレータに戻すことで、前記アキュムレータ内に蓄積される液冷媒と潤滑油との混合液における潤滑油混合率を前記所定値以上に調整するための供給油量調整部と、
を備える請求項1に記載の空気調和機。
- 前記供給油量調整部により前記油分離器から前記アキュムレータに戻される潤滑油の返油率をx(x=潤滑油流量/冷媒全流量)、
前記アキュムレータから前記圧縮機に流れる混合液の比率をR(R=(液冷媒流量+潤滑油流量)/冷媒全流量)、
前記アキュムレータ内の液冷媒と潤滑油との混合液が二層に分離する限界の潤滑油混合率をn(n=潤滑油量/液冷媒量)、
前記油分離器で回収されて冷凍サイクルを循環する潤滑油の循環率をy(y=潤滑油流量/冷媒全流量)としたとき、x≧n・R−yが成立する、
請求項2に記載の空気調和機。
- 前記nの値を0.4以上に設定する、
請求項3に記載の空気調和機。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012244492A JP5927633B2 (ja) | 2012-11-06 | 2012-11-06 | 空気調和機 |
EP13191783.3A EP2728279B1 (en) | 2012-11-06 | 2013-11-06 | Air conditioner |
CN201610757973.9A CN106382768B (zh) | 2012-11-06 | 2013-11-06 | 空调机 |
ES13191783.3T ES2661868T3 (es) | 2012-11-06 | 2013-11-06 | Acondicionador de aire |
CN201310544957.8A CN103808070B (zh) | 2012-11-06 | 2013-11-06 | 空调机 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012244492A JP5927633B2 (ja) | 2012-11-06 | 2012-11-06 | 空気調和機 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016075447A Division JP6507121B2 (ja) | 2016-04-04 | 2016-04-04 | 空気調和機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014092339A true JP2014092339A (ja) | 2014-05-19 |
JP5927633B2 JP5927633B2 (ja) | 2016-06-01 |
Family
ID=49517438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012244492A Active JP5927633B2 (ja) | 2012-11-06 | 2012-11-06 | 空気調和機 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2728279B1 (ja) |
JP (1) | JP5927633B2 (ja) |
CN (2) | CN103808070B (ja) |
ES (1) | ES2661868T3 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017150753A (ja) * | 2016-02-25 | 2017-08-31 | ダイキン工業株式会社 | 冷凍装置 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160030998A (ko) * | 2013-09-05 | 2016-03-21 | 도시바 캐리어 가부시키가이샤 | 압축기 및 냉동 사이클 장치 |
JP2018194200A (ja) * | 2017-05-15 | 2018-12-06 | パナソニックIpマネジメント株式会社 | 冷凍サイクル装置およびそれを備えた液体循環装置 |
US11162705B2 (en) | 2019-08-29 | 2021-11-02 | Hitachi-Johnson Controls Air Conditioning, Inc | Refrigeration cycle control |
CN114111112B (zh) * | 2021-12-01 | 2023-06-20 | 天津双昊车用空调有限公司 | 一种气液分离的自适应回油工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004263995A (ja) * | 2003-03-04 | 2004-09-24 | Toshiba Kyaria Kk | 空気調和装置 |
JP2005083704A (ja) * | 2003-09-10 | 2005-03-31 | Mitsubishi Electric Corp | 冷凍サイクル、空気調和機 |
JP2011208860A (ja) * | 2010-03-29 | 2011-10-20 | Hitachi Appliances Inc | 空気調和機 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60245960A (ja) * | 1984-05-18 | 1985-12-05 | 三菱電機株式会社 | 空気調和機の冷凍サイクル |
JP2967574B2 (ja) * | 1990-11-16 | 1999-10-25 | 株式会社日立製作所 | 冷凍装置 |
JPH08159569A (ja) * | 1994-11-30 | 1996-06-21 | Sanyo Electric Co Ltd | 冷凍装置 |
JP3658993B2 (ja) | 1998-05-13 | 2005-06-15 | 株式会社日立製作所 | 冷媒圧縮機および冷凍装置 |
JP3956589B2 (ja) | 1999-10-18 | 2007-08-08 | ダイキン工業株式会社 | 冷凍装置 |
JP4836305B2 (ja) * | 2000-02-16 | 2011-12-14 | ダイキン工業株式会社 | 冷凍装置 |
JP4815656B2 (ja) * | 2000-04-19 | 2011-11-16 | ダイキン工業株式会社 | 冷凍装置 |
JP4039921B2 (ja) * | 2002-09-11 | 2008-01-30 | 三洋電機株式会社 | 遷臨界冷媒サイクル装置 |
JP5502459B2 (ja) * | 2009-12-25 | 2014-05-28 | 三洋電機株式会社 | 冷凍装置 |
-
2012
- 2012-11-06 JP JP2012244492A patent/JP5927633B2/ja active Active
-
2013
- 2013-11-06 ES ES13191783.3T patent/ES2661868T3/es active Active
- 2013-11-06 CN CN201310544957.8A patent/CN103808070B/zh active Active
- 2013-11-06 CN CN201610757973.9A patent/CN106382768B/zh active Active
- 2013-11-06 EP EP13191783.3A patent/EP2728279B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004263995A (ja) * | 2003-03-04 | 2004-09-24 | Toshiba Kyaria Kk | 空気調和装置 |
JP2005083704A (ja) * | 2003-09-10 | 2005-03-31 | Mitsubishi Electric Corp | 冷凍サイクル、空気調和機 |
JP2011208860A (ja) * | 2010-03-29 | 2011-10-20 | Hitachi Appliances Inc | 空気調和機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017150753A (ja) * | 2016-02-25 | 2017-08-31 | ダイキン工業株式会社 | 冷凍装置 |
Also Published As
Publication number | Publication date |
---|---|
EP2728279B1 (en) | 2018-01-10 |
CN106382768A (zh) | 2017-02-08 |
JP5927633B2 (ja) | 2016-06-01 |
ES2661868T3 (es) | 2018-04-04 |
CN103808070A (zh) | 2014-05-21 |
CN106382768B (zh) | 2019-07-30 |
EP2728279A1 (en) | 2014-05-07 |
CN103808070B (zh) | 2016-09-21 |
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