JP5229476B2 - 冷凍装置およびその制御方法 - Google Patents
冷凍装置およびその制御方法 Download PDFInfo
- Publication number
- JP5229476B2 JP5229476B2 JP2008315654A JP2008315654A JP5229476B2 JP 5229476 B2 JP5229476 B2 JP 5229476B2 JP 2008315654 A JP2008315654 A JP 2008315654A JP 2008315654 A JP2008315654 A JP 2008315654A JP 5229476 B2 JP5229476 B2 JP 5229476B2
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- pressure reducing
- reducing means
- return pipe
- pipe
- 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.)
- Active
Links
Images
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
- 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
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control 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
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
-
- 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
- F25B2500/26—Problems to be solved characterised by the startup of the refrigeration 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
-
- 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
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- 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)
- Air Conditioning Control Device (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
101 圧縮機構部
110 第1圧縮機
120 第2圧縮機
111,121 オイルセパレータ
112,122 逆止弁
114,124 油戻し管
115,125 キャピラリーチューブ
116 電磁弁
130 四方弁
140 室外熱交換器
150 室外膨張弁
160 アキュムレータ
163,164 吸入管
200 室内ユニット
210 室内熱交換器
211 室内膨張弁
Claims (4)
- 室外ユニットに、並列に接続された第1圧縮機と第2圧縮機の少なくとも2台の圧縮機を備え、上記各圧縮機の吐出管にオイルセパレータが設けられ、上記第1圧縮機側の第1オイルセパレータが減圧手段を含む第1油戻し配管を介して上記第2圧縮機の吸入管に接続されているとともに、上記第2圧縮機側の第2オイルセパレータが減圧手段を含む第2油戻し配管を介して上記第1圧縮機の吸入管に接続されており、上記第1圧縮機がインバータ制御による回転数可変型の圧縮機で、上記第2圧縮機が回転数一定の一定速型の圧縮機である冷凍装置において、
上記第1油戻し配管の上記減圧手段と並列に、上記減圧手段に対するバイパス回路を選択的に形成する電磁弁が接続されていることを特徴とする冷凍装置。 - 上記第1油戻し配管における上記減圧手段と上記電磁弁の並列回路に代えて、電子膨張弁が用いられることを特徴とする請求項1に記載の冷凍装置。
- 室外ユニットに、並列に接続された第1圧縮機と第2圧縮機の少なくとも2台の圧縮機を備え、上記各圧縮機の吐出管にオイルセパレータが設けられ、上記第1圧縮機側の第1オイルセパレータが減圧手段を含む第1油戻し配管を介して上記第2圧縮機の吸入管に接続されているとともに、上記第2圧縮機側の第2オイルセパレータが減圧手段を含む第2油戻し配管を介して上記第1圧縮機の吸入管に接続されており、上記第1圧縮機がインバータ制御による回転数可変型の圧縮機で、上記第2圧縮機が回転数一定の一定速型の圧縮機である冷凍装置の制御方法において、
上記第1油戻し配管の上記減圧手段と並列に、上記減圧手段に対するバイパス回路を選択的に形成する電磁弁を接続し、上記第1,第2圧縮機の運転停止後で、上記第1圧縮機を再起動するにあたっては、上記電磁弁を開として上記バイパス回路を形成し、上記第1圧縮機の吐出側と吸入側とをほぼ均圧状態としたのち、上記第1圧縮機を再起動することを特徴とする冷凍装置の制御方法。 - 上記第1油戻し配管における上記減圧手段と上記電磁弁の並列回路に代えて、電子膨張弁を用い、上記第1,第2圧縮機の運転停止後で、上記第1圧縮機を再起動するにあたっては、上記電子膨張弁を全開にして、上記第1圧縮機の吐出側と吸入側とをほぼ均圧状態としたのち、上記第1圧縮機を再起動することを特徴とする請求項3に記載の冷凍装置の制御方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008315654A JP5229476B2 (ja) | 2008-12-11 | 2008-12-11 | 冷凍装置およびその制御方法 |
US12/591,855 US8312731B2 (en) | 2008-12-11 | 2009-12-03 | Refrigeration apparatus and method for controlling the same |
EP09252758.9A EP2196748B1 (en) | 2008-12-11 | 2009-12-09 | Refrigeration apparatus and method for controlling the same |
ES09252758T ES2764780T3 (es) | 2008-12-11 | 2009-12-09 | Aparato de refrigeración y método para controlar el mismo |
CN200910258543.2A CN101749890B (zh) | 2008-12-11 | 2009-12-10 | 制冷装置及其控制方法 |
AU2009248465A AU2009248465B2 (en) | 2008-12-11 | 2009-12-11 | Refrigeration apparatus and method for controlling the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008315654A JP5229476B2 (ja) | 2008-12-11 | 2008-12-11 | 冷凍装置およびその制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010139156A JP2010139156A (ja) | 2010-06-24 |
JP5229476B2 true JP5229476B2 (ja) | 2013-07-03 |
Family
ID=42060609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008315654A Active JP5229476B2 (ja) | 2008-12-11 | 2008-12-11 | 冷凍装置およびその制御方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8312731B2 (ja) |
EP (1) | EP2196748B1 (ja) |
JP (1) | JP5229476B2 (ja) |
CN (1) | CN101749890B (ja) |
ES (1) | ES2764780T3 (ja) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8011191B2 (en) | 2009-09-30 | 2011-09-06 | Thermo Fisher Scientific (Asheville) Llc | Refrigeration system having a variable speed compressor |
US9146046B2 (en) | 2010-07-28 | 2015-09-29 | Lg Electronics Inc. | Refrigerator and driving method thereof |
JP5602243B2 (ja) * | 2010-11-19 | 2014-10-08 | 三菱電機株式会社 | 空気調和機 |
CN102650479A (zh) * | 2011-02-23 | 2012-08-29 | 珠海格力电器股份有限公司 | 多联式空调机组及其油路系统 |
JP5783783B2 (ja) * | 2011-04-22 | 2015-09-24 | 三菱電機株式会社 | 熱源側ユニット及び冷凍サイクル装置 |
KR101904870B1 (ko) * | 2012-01-30 | 2018-10-08 | 엘지전자 주식회사 | 압축기 제어 장치와 방법, 및 이를 포함한 냉장고 |
US9175891B2 (en) * | 2012-12-28 | 2015-11-03 | Bosch Automotive Service Solutions Inc. | Method and system for a portable refrigerant recovery unit load controller |
EP2969613B1 (en) | 2013-03-13 | 2018-08-08 | Bergstrom, Inc. | Air conditioning system utilizing heat recovery ventilation for fresh air supply and climate control |
CN105873778A (zh) | 2013-11-04 | 2016-08-17 | 博格思众公司 | 低轮廓空调系统 |
MX2016006780A (es) | 2013-11-25 | 2016-09-07 | Coca Cola Co | Compresor con un separador de aceite. |
CN103994604B (zh) * | 2014-06-04 | 2016-03-16 | 唐玉敏 | 一种带油气分离装置的热利用系统 |
CN104121715B (zh) * | 2014-07-29 | 2016-06-08 | 浙江青风环境股份有限公司 | 表面处理行业专用并联共用系统涡旋满液式直冷机组 |
CN104296413A (zh) * | 2014-09-24 | 2015-01-21 | 广东欧科空调制冷有限公司 | 一种变频低温强热空调系统 |
US9783024B2 (en) | 2015-03-09 | 2017-10-10 | Bergstrom Inc. | System and method for remotely managing climate control systems of a fleet of vehicles |
CN104776570B (zh) * | 2015-03-30 | 2017-04-19 | 广东美的制冷设备有限公司 | 空调器系统的故障检测方法及装置 |
WO2016182135A1 (en) * | 2015-05-11 | 2016-11-17 | Lg Electronics Inc. | Refrigerator and control method thereof |
US9874384B2 (en) | 2016-01-13 | 2018-01-23 | Bergstrom, Inc. | Refrigeration system with superheating, sub-cooling and refrigerant charge level control |
US10589598B2 (en) | 2016-03-09 | 2020-03-17 | Bergstrom, Inc. | Integrated condenser and compressor system |
US10081226B2 (en) * | 2016-08-22 | 2018-09-25 | Bergstrom Inc. | Parallel compressors climate system |
US10562372B2 (en) | 2016-09-02 | 2020-02-18 | Bergstrom, Inc. | Systems and methods for starting-up a vehicular air-conditioning system |
US10675948B2 (en) | 2016-09-29 | 2020-06-09 | Bergstrom, Inc. | Systems and methods for controlling a vehicle HVAC system |
US10369863B2 (en) | 2016-09-30 | 2019-08-06 | Bergstrom, Inc. | Refrigerant liquid-gas separator with electronics cooling |
US10724772B2 (en) | 2016-09-30 | 2020-07-28 | Bergstrom, Inc. | Refrigerant liquid-gas separator having an integrated check valve |
CN106766293B (zh) * | 2016-12-02 | 2019-11-19 | 珠海格力电器股份有限公司 | 一种防止冷媒回流的补气增焓空调系统及其控制方法 |
US11448441B2 (en) | 2017-07-27 | 2022-09-20 | Bergstrom, Inc. | Refrigerant system for cooling electronics |
US11420496B2 (en) | 2018-04-02 | 2022-08-23 | Bergstrom, Inc. | Integrated vehicular system for conditioning air and heating water |
US11371756B2 (en) * | 2020-02-27 | 2022-06-28 | Heatcraft Refrigeration Products Llc | Cooling system with oil return to accumulator |
CN111595067A (zh) * | 2020-05-08 | 2020-08-28 | 珠海格力电器股份有限公司 | 一种多气缸压缩机回油系统、空调系统及控制方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5369958A (en) * | 1992-10-15 | 1994-12-06 | Mitsubishi Denki Kabushiki Kaisha | Air conditioner |
US5359859A (en) * | 1992-12-23 | 1994-11-01 | Russell Technical Products | Method and apparatus for recovering refrigerants |
JPH0849943A (ja) * | 1994-08-08 | 1996-02-20 | Yamaha Motor Co Ltd | エンジン駆動式熱ポンプ装置 |
JP3197768B2 (ja) * | 1994-11-30 | 2001-08-13 | 三洋電機株式会社 | 冷凍装置 |
JP3629587B2 (ja) * | 2000-02-14 | 2005-03-16 | 株式会社日立製作所 | 空気調和機及び室外機並びに冷凍装置 |
JP4415451B2 (ja) * | 2000-05-18 | 2010-02-17 | ダイキン工業株式会社 | 冷凍装置 |
JP2001324231A (ja) * | 2000-05-18 | 2001-11-22 | Daikin Ind Ltd | 冷凍装置 |
KR100388675B1 (ko) * | 2000-12-18 | 2003-06-25 | 삼성전자주식회사 | 압력조절장치를 구비한 공기조화기와 그 제어방법 |
CN1203283C (zh) * | 2002-06-07 | 2005-05-25 | 乐金电子(天津)电器有限公司 | 空调器 |
JP4300804B2 (ja) * | 2002-06-11 | 2009-07-22 | ダイキン工業株式会社 | 圧縮機構の均油回路、冷凍装置の熱源ユニット及びそれを備えた冷凍装置 |
JP3896472B2 (ja) * | 2002-09-04 | 2007-03-22 | 株式会社日立製作所 | 冷凍装置 |
CN1250925C (zh) * | 2002-10-16 | 2006-04-12 | 广东科龙电器股份有限公司 | 双压缩机房间空调器及其控制方法 |
KR100564444B1 (ko) * | 2003-10-20 | 2006-03-29 | 엘지전자 주식회사 | 에어컨의 액 냉매 누적 방지 장치 및 방법 |
JP2005283067A (ja) * | 2004-03-31 | 2005-10-13 | Mitsubishi Heavy Ind Ltd | 空気調和装置 |
JP3939318B2 (ja) * | 2004-06-29 | 2007-07-04 | 三星電子株式会社 | 空気調和機 |
KR20060015973A (ko) * | 2004-08-16 | 2006-02-21 | 엘지전자 주식회사 | 에어콘의 과부하 조절 장치 |
JP2006214602A (ja) * | 2005-02-01 | 2006-08-17 | Matsushita Electric Ind Co Ltd | 冷凍サイクル装置 |
CN1888747A (zh) * | 2005-06-30 | 2007-01-03 | 乐金电子(天津)电器有限公司 | 空调器的油回收结构 |
CN101017039A (zh) * | 2006-02-07 | 2007-08-15 | 上海日立电器有限公司 | 一种双压缩机空调油平衡装置 |
CN101086249A (zh) * | 2006-06-06 | 2007-12-12 | 乐金电子(天津)电器有限公司 | 空调器的压缩机均油方法及其装置 |
KR101282565B1 (ko) * | 2006-07-29 | 2013-07-04 | 엘지전자 주식회사 | 냉난방 동시형 멀티 공기 조화기 |
KR101266657B1 (ko) * | 2006-10-17 | 2013-05-28 | 엘지전자 주식회사 | 공기조화기 |
-
2008
- 2008-12-11 JP JP2008315654A patent/JP5229476B2/ja active Active
-
2009
- 2009-12-03 US US12/591,855 patent/US8312731B2/en not_active Expired - Fee Related
- 2009-12-09 EP EP09252758.9A patent/EP2196748B1/en active Active
- 2009-12-09 ES ES09252758T patent/ES2764780T3/es active Active
- 2009-12-10 CN CN200910258543.2A patent/CN101749890B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
AU2009248465A1 (en) | 2010-07-01 |
EP2196748B1 (en) | 2019-10-30 |
JP2010139156A (ja) | 2010-06-24 |
CN101749890B (zh) | 2014-02-26 |
US8312731B2 (en) | 2012-11-20 |
ES2764780T3 (es) | 2020-06-04 |
CN101749890A (zh) | 2010-06-23 |
EP2196748A2 (en) | 2010-06-16 |
US20100146994A1 (en) | 2010-06-17 |
EP2196748A3 (en) | 2015-06-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5229476B2 (ja) | 冷凍装置およびその制御方法 | |
JP2010139155A (ja) | 冷凍装置 | |
EP2196746B1 (en) | Refrigeration apparatus | |
JP4013261B2 (ja) | 冷凍装置 | |
WO2009119134A1 (ja) | マルチ形空気調和機の油戻し運転方法およびマルチ形空気調和機 | |
JP4738237B2 (ja) | 空気調和装置 | |
AU2006309913A1 (en) | Compressor operating method of refrigeration device, and refrigeration device | |
KR100564444B1 (ko) | 에어컨의 액 냉매 누적 방지 장치 및 방법 | |
EP3431903A1 (en) | Air-conditioning apparatus and method for operating the same | |
JP2009243842A (ja) | マルチ型空気調和機および室外機の運転方法 | |
JP5645453B2 (ja) | 空気調和装置 | |
JP6431393B2 (ja) | 空気調和機 | |
JP2017116136A (ja) | 空気調和装置 | |
JP4981411B2 (ja) | 空気調和機 | |
JP2011242097A (ja) | 冷凍装置 | |
JP2010156485A (ja) | マルチ型空気調和機 | |
JP2014119220A (ja) | 冷凍装置 | |
JP2021162252A (ja) | 空気調和装置 | |
JP2007147228A (ja) | 冷凍装置 | |
JP2005291558A (ja) | 空気調和装置 | |
JP5956839B2 (ja) | 空気調和機 | |
JP2017110820A (ja) | 空気調和装置 | |
JP5072386B2 (ja) | マルチ型空気調和装置 | |
JPH04320763A (ja) | 冷凍装置 | |
KR101186327B1 (ko) | 공기 조화기 및 그 제어방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20111031 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130110 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130220 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130305 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20160329 Year of fee payment: 3 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5229476 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313532 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |