JP5049889B2 - 冷凍装置 - Google Patents
冷凍装置 Download PDFInfo
- Publication number
- JP5049889B2 JP5049889B2 JP2008151203A JP2008151203A JP5049889B2 JP 5049889 B2 JP5049889 B2 JP 5049889B2 JP 2008151203 A JP2008151203 A JP 2008151203A JP 2008151203 A JP2008151203 A JP 2008151203A JP 5049889 B2 JP5049889 B2 JP 5049889B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- heat exchanger
- gas
- ejector
- liquid
- 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.)
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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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
- F25B2341/0012—Ejectors with the cooled primary flow at high pressure
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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
- 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
- F25B2400/121—Inflammable refrigerants using R1234
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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
- 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
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
ここで、凝縮器として作用する熱交換器から流出した冷媒を膨張させて動力を回収する膨張機を備え、前記膨張機から流出した冷媒の一部をバイパスさせたバイパス冷媒を前記室外減圧装置で減圧させて前記過冷却用熱交換器へ流入させ、前記膨張機から流出した冷媒の他方である主流側冷媒を冷却して前記室内熱交換器へ送り、前記過冷却用熱交換器で蒸発した前記バイパス冷媒は、前記膨張機で回収された動力で作動される前記補助圧縮機で前記圧縮機の吸入圧力以上に昇圧されて前記圧縮機へ吸入される構成にすると良い。
2 四方弁
3 室外熱交換器
4 室外送風機
5 エジェクタ
6 気液分離器
7 室外減圧装置
8 過冷却用熱交換器
9 液側接続配管
10 室内減圧装置
11 室内熱交換器
12 室内送風機
13 ガス側接続配管
100 室外機
200 室内機
Claims (3)
- 圧縮機,室外熱交換器,過冷却用熱交換器,室外減圧装置を備えた室外機と、室内熱交換器を備えた室内機とをそれぞれ冷媒配管により接続した冷凍サイクルを備えた装置において、
蒸発器として作用する熱交換器へ送られる液冷媒の一部をバイパスさせたバイパス冷媒を減圧し、前記過冷却用熱交換器に流入させ、前記液冷媒の主流側冷媒を前記過冷却用熱交換器で冷却して前記室内熱交換器へ送ると共に、前記過冷却用熱交換器で蒸発した前記バイパス冷媒を前記圧縮機の吸入圧力以上に昇圧させるエジェクタにより昇圧させた後前記圧縮機の吸入側に吸入させる構成とし、
前記エジェクタの出口側に気液分離器を設け、凝縮器として作用する熱交換器から流出した冷媒を前記エジェクタに流入させ、前記エジェクタから流出した冷媒を前記気液分離器に流入させ、前記気液分離器のガス側出口から流出した冷媒を前記圧縮機に戻し、前記気液分離器の液側出口から流出した冷媒の一部をバイパスさせたバイパス冷媒を前記室外減圧装置で減圧し、前記液冷媒の主流側冷媒を前記過冷却用熱交換器で冷却して前記室内熱交換器へ送ると共に、前記過冷却用熱交換器でガス化した前記バイパス冷媒を前記エジェクタの吸入口から吸引させる構成としたことを特徴とする冷凍装置。 - 請求項1において、逆止弁で構成されたブリッジ回路を備え、該ブリッジ回路を用いて前記エジェクタと前記過冷却用熱交換器の冷媒流路の方向を、冷房及び暖房運転時の双方で同一方向になるように構成したことを特徴とした冷凍装置。
- 請求項1又は2において、使用される冷媒の同一蒸発温度における飽和ガスの比容積がR−410Aに対して1.5倍以上であることを特徴とした冷凍装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008151203A JP5049889B2 (ja) | 2008-06-10 | 2008-06-10 | 冷凍装置 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2008151203A JP5049889B2 (ja) | 2008-06-10 | 2008-06-10 | 冷凍装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009299911A JP2009299911A (ja) | 2009-12-24 |
JP5049889B2 true JP5049889B2 (ja) | 2012-10-17 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008151203A Expired - Fee Related JP5049889B2 (ja) | 2008-06-10 | 2008-06-10 | 冷凍装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5049889B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103344066A (zh) * | 2013-07-15 | 2013-10-09 | 江苏七政新能源有限公司 | 一种弯管式冷却器 |
KR102618118B1 (ko) * | 2023-04-11 | 2023-12-27 | (주)하이세이브아시아 | 냉동시스템의 냉매를 증압 순환시키는 냉매액 펌프의 흡입측에 낮은 온도의 냉매를 공급 순환시키기 위한 액상냉매 순환방법 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009300041A (ja) * | 2008-06-16 | 2009-12-24 | Mitsubishi Electric Corp | 冷凍サイクル装置及び冷凍サイクル装置の圧力損失抑制方法 |
WO2012101672A1 (ja) * | 2011-01-26 | 2012-08-02 | 三菱電機株式会社 | 空気調和装置 |
JP5240332B2 (ja) * | 2011-09-01 | 2013-07-17 | ダイキン工業株式会社 | 冷凍装置 |
CN102901283B (zh) * | 2012-10-13 | 2016-04-13 | 北京德能恒信科技有限公司 | 一种再循环蒸发器循环制冷系统 |
CN111433121A (zh) * | 2017-11-17 | 2020-07-17 | 大宇造船海洋株式会社 | 液体燃料发电和配送系统以及使用系统的装载/卸载方法 |
JP2019138577A (ja) * | 2018-02-13 | 2019-08-22 | 株式会社デンソー | 冷凍サイクル装置 |
JP7060455B2 (ja) * | 2018-06-12 | 2022-04-26 | 三菱電機株式会社 | ショーケース |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4442068B2 (ja) * | 2001-09-12 | 2010-03-31 | 三菱電機株式会社 | 冷凍空調装置 |
JP2007315663A (ja) * | 2006-05-25 | 2007-12-06 | Sanden Corp | 冷凍装置 |
JP2008116124A (ja) * | 2006-11-06 | 2008-05-22 | Hitachi Appliances Inc | 空気調和機 |
-
2008
- 2008-06-10 JP JP2008151203A patent/JP5049889B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103344066A (zh) * | 2013-07-15 | 2013-10-09 | 江苏七政新能源有限公司 | 一种弯管式冷却器 |
KR102618118B1 (ko) * | 2023-04-11 | 2023-12-27 | (주)하이세이브아시아 | 냉동시스템의 냉매를 증압 순환시키는 냉매액 펌프의 흡입측에 낮은 온도의 냉매를 공급 순환시키기 위한 액상냉매 순환방법 |
Also Published As
Publication number | Publication date |
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JP2009299911A (ja) | 2009-12-24 |
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