JP4289237B2 - 冷媒冷却回路 - Google Patents
冷媒冷却回路 Download PDFInfo
- Publication number
- JP4289237B2 JP4289237B2 JP2004201655A JP2004201655A JP4289237B2 JP 4289237 B2 JP4289237 B2 JP 4289237B2 JP 2004201655 A JP2004201655 A JP 2004201655A JP 2004201655 A JP2004201655 A JP 2004201655A JP 4289237 B2 JP4289237 B2 JP 4289237B2
- Authority
- JP
- Japan
- Prior art keywords
- pressure
- refrigerant
- compressor
- carbon dioxide
- evaporator
- 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.)
- Expired - Fee Related
Links
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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
- 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
- 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
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2600/2519—On-off 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
-
- 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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
-
- 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
Description
1a 第1圧縮機
1b 第2圧縮機
2 ガスクーラー(放熱器)
21 ファン(送風機)
22 ファンモータ
3 電子膨張弁(絞り部)
4(4a,4b,4c) 蒸発器
41 ファン(送風機)
42 ファンモータ
10 中間熱交換器
11 オイルセパレータ
12a,12b,12c 電磁弁
13a,13b,13c 減圧手段
14 内部熱交換器
15 蒸発手段
16 圧力検出手段
100 圧力制御部
101 メモリ
Claims (1)
- 冷媒を圧縮する圧縮機と、前記圧縮機から供給される冷媒を放熱させる放熱器と、前記放熱器から供給される冷媒の流量を調節する絞り部と、前記絞り部から供給される冷媒を蒸発させて前記圧縮機に帰還させる蒸発器と有し、前記蒸発器を複数設けて前記圧縮機、前記放熱器および前記絞り部を共通とした複数の冷媒循環経路を形成して、前記絞り部と前記各蒸発器との間の経路に前記各冷媒循環経路を開閉する電磁弁をそれぞれ設けた冷媒冷却回路において、
前記冷媒循環経路の高圧側に冷媒の圧力を検出する圧力検出手段を設け、当該圧力検出手段によって検出した圧力に応じて前記各電磁弁の開閉を行うことを特徴とする冷媒冷却回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004201655A JP4289237B2 (ja) | 2004-07-08 | 2004-07-08 | 冷媒冷却回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004201655A JP4289237B2 (ja) | 2004-07-08 | 2004-07-08 | 冷媒冷却回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006023028A JP2006023028A (ja) | 2006-01-26 |
JP4289237B2 true JP4289237B2 (ja) | 2009-07-01 |
Family
ID=35796419
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004201655A Expired - Fee Related JP4289237B2 (ja) | 2004-07-08 | 2004-07-08 | 冷媒冷却回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4289237B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006016166A1 (de) * | 2006-04-06 | 2007-10-11 | GM Global Technology Operations, Inc., Detroit | Klimaanlage in einem Kraftfahrzeug |
JP4982163B2 (ja) * | 2006-12-05 | 2012-07-25 | 三洋電機株式会社 | 冷凍装置 |
JP4799440B2 (ja) * | 2007-02-14 | 2011-10-26 | 三菱電機株式会社 | 冷凍空調装置および冷媒純度の推算方法 |
US7581515B2 (en) * | 2007-06-29 | 2009-09-01 | Hamilton Sundstrand Corporation | Control scheme for an evaporator operating at conditions approaching thermodynamic limits |
FR2943769B1 (fr) * | 2009-03-26 | 2016-04-01 | Valeo Systemes Thermiques | Installation de climatisation utilisant un fluide refrigerant comportant une commande de groupe moto-ventilateur simplifiee |
JP2010236712A (ja) * | 2009-03-30 | 2010-10-21 | Daikin Ind Ltd | 冷凍装置 |
US8694131B2 (en) * | 2009-06-30 | 2014-04-08 | Mitsubishi Electric Research Laboratories, Inc. | System and method for controlling operations of vapor compression system |
EP2339266B1 (en) * | 2009-12-25 | 2018-03-28 | Sanyo Electric Co., Ltd. | Refrigerating apparatus |
JP6037637B2 (ja) * | 2012-03-29 | 2016-12-07 | 三菱重工業株式会社 | ヒートポンプの制御装置、ヒートポンプ、及びヒートポンプの制御方法 |
JP6561551B2 (ja) * | 2015-04-13 | 2019-08-21 | ダイキン工業株式会社 | 冷凍装置 |
-
2004
- 2004-07-08 JP JP2004201655A patent/JP4289237B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006023028A (ja) | 2006-01-26 |
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