KR100484802B1 - 두 개의 압축기를 구비한 공기조화기의 제상운전방법 - Google Patents
두 개의 압축기를 구비한 공기조화기의 제상운전방법 Download PDFInfo
- Publication number
- KR100484802B1 KR100484802B1 KR10-2002-0038374A KR20020038374A KR100484802B1 KR 100484802 B1 KR100484802 B1 KR 100484802B1 KR 20020038374 A KR20020038374 A KR 20020038374A KR 100484802 B1 KR100484802 B1 KR 100484802B1
- Authority
- KR
- South Korea
- Prior art keywords
- defrosting operation
- compressors
- heat exchanger
- temperature
- value
- Prior art date
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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the 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
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor arrangements
- F25B2313/0315—Temperature sensors near the outdoor heat exchanger
-
- 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
- F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
-
- 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
- F25B2700/2106—Temperatures of fresh outdoor air
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
Claims (4)
- 두 개의 압축기를 구비한 공기조화기의 난방운전 수행 중에 실외 열교환기의 배관온도와 실외온도와의 차이에 따라 제상운전 동작여부가 판단되는 제 1 단계와; 상기 제 1 단계의 판단결과에 따라 제상운전이 수행되는 경우 상기 난방운전시 전자팽창밸브(Linear Expansion Valve, 이하 LEV라 칭함)의 개도값이 상기 제 1 단계의 난방운전시 개도값보다 증가된 개도값으로 제상운전이 수행되는 제 2 단계와; 상기 제 2 단계의 제상운전 종료시 상기 제 2 단계의 LEV 개도값에 비하여 개도값이 감소되어 상기 제 1 단계의 난방운전을 재수행하는 제 3 단계를 포함하여 구성되고;상기 제 1 단계는 한 개의 압축기가 운전이고, 실외 열교환기의 배관온도가 실외온도에 비하여 제 1 설정치 이하로 하강하면, 제상운전의 동작으로 판단하며; 두개의 압축기가 운전이고, 실외 열교환기의 배관온도가 실외온도에 비하여 제 1 설정치보다 큰 제 2 설정치 이하로 하강하면, 제상운전의 동작으로 판단하는 것을 특징으로 하는 두 개의 압축기를 구비한 공기조화기의 제상 운전 방법.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 제 3 단계의 개도값은 상기 제 1 단계의 난방운전시 개도값과 상기 제 2 단계에서 증가된 개도값 사이의 값을 가지는 것을 특징으로 하는 두 개의 압축기를 구비한 공기조화기의 제상운전방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0038374A KR100484802B1 (ko) | 2002-07-03 | 2002-07-03 | 두 개의 압축기를 구비한 공기조화기의 제상운전방법 |
US10/337,789 US6745583B2 (en) | 2002-07-03 | 2003-01-08 | Defrosting apparatus of air conditioner and method thereof |
CNB031025269A CN1204369C (zh) | 2002-07-03 | 2003-02-10 | 空调机除霜装置及方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0038374A KR100484802B1 (ko) | 2002-07-03 | 2002-07-03 | 두 개의 압축기를 구비한 공기조화기의 제상운전방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040003623A KR20040003623A (ko) | 2004-01-13 |
KR100484802B1 true KR100484802B1 (ko) | 2005-04-22 |
Family
ID=29997434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0038374A KR100484802B1 (ko) | 2002-07-03 | 2002-07-03 | 두 개의 압축기를 구비한 공기조화기의 제상운전방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6745583B2 (ko) |
KR (1) | KR100484802B1 (ko) |
CN (1) | CN1204369C (ko) |
Families Citing this family (40)
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KR100484813B1 (ko) * | 2002-09-13 | 2005-04-22 | 엘지전자 주식회사 | 히트펌프 시스템의 전자팽창밸브 |
KR100463548B1 (ko) | 2003-01-13 | 2004-12-29 | 엘지전자 주식회사 | 공기조화기용 제상장치 |
KR100511286B1 (ko) | 2003-05-01 | 2005-08-31 | 엘지전자 주식회사 | 동시 제상 및 난방 운전이 가능한 공기조화기 및 자체제상 사이클을 구비한 공기조화기용 실외기 |
DE102004006271A1 (de) * | 2004-02-09 | 2005-08-25 | Linde Kältetechnik GmbH & Co. KG | Kälteanlage und Verfahren zum Betreiben einer Kälteanlage |
KR100569930B1 (ko) * | 2004-05-21 | 2006-04-10 | 엘지전자 주식회사 | 히트펌프 시스템의 난방 운전 제어장치 |
CN1719130B (zh) * | 2004-07-08 | 2010-06-23 | 乐金电子(天津)电器有限公司 | 空调机的除霜运行控制方法 |
US6945059B1 (en) * | 2004-09-08 | 2005-09-20 | Carrier Corporation | Refrigerant cycle with defrost termination control |
KR100731374B1 (ko) * | 2004-11-22 | 2007-06-21 | 엘지전자 주식회사 | 공조기의 전자변 제어 방법 |
EP1859211A4 (en) * | 2005-03-18 | 2010-08-04 | Carrier Comm Refrigeration Inc | BOTTLE REFRIGERATION / DEFROSTING SYSTEM AND METHODS |
US7895850B2 (en) * | 2005-04-15 | 2011-03-01 | Comforture, L.P. | Modulating proportioning reversing valve |
US7275376B2 (en) * | 2005-04-28 | 2007-10-02 | Dover Systems, Inc. | Defrost system for a refrigeration device |
CN1320326C (zh) * | 2005-06-24 | 2007-06-06 | 珠海格力电器股份有限公司 | 空调分区域除霜控制方法 |
CN100562697C (zh) * | 2005-06-27 | 2009-11-25 | 海尔集团公司 | 低温热泵空调及其自动除霜方法 |
CN1987235B (zh) * | 2005-12-22 | 2010-09-22 | 乐金电子(天津)电器有限公司 | 制冷暖兼用空调器的除霜运行控制方法 |
US20070227170A1 (en) * | 2006-03-30 | 2007-10-04 | Xue-Wen Peng | Cooling system for computer |
KR100772217B1 (ko) * | 2006-05-20 | 2007-11-01 | 엘지전자 주식회사 | 공기 조화기의 제어 방법 |
US20090044557A1 (en) * | 2007-08-15 | 2009-02-19 | Johnson Controls Technology Company | Vapor compression system |
JP5053430B2 (ja) * | 2010-10-05 | 2012-10-17 | シャープ株式会社 | 空気調和機 |
CN102331119A (zh) * | 2011-08-04 | 2012-01-25 | 广东美的电器股份有限公司 | 空调器及其除霜控制方法 |
CN102645064A (zh) * | 2012-05-24 | 2012-08-22 | 钟学斌 | 一种空气源热泵机组的化霜方法及装置 |
AU2013387943B2 (en) * | 2013-04-24 | 2016-04-21 | Mitsubishi Electric Corporation | Dehumidifier |
CN103216981B (zh) * | 2013-04-28 | 2015-04-08 | 宁波沃弗圣龙环境技术有限公司 | 无霜空气处理机组及其比例-积分-微分控制方法 |
CN104764087B (zh) * | 2014-01-07 | 2017-11-28 | 海尔集团公司 | 一种具备除霜功能的两级制热空调系统及其控制方法 |
CN104567148B (zh) * | 2014-12-23 | 2017-02-22 | 珠海格力电器股份有限公司 | 空调除霜方法和装置 |
JP5999171B2 (ja) * | 2014-12-26 | 2016-09-28 | ダイキン工業株式会社 | 空気調和装置 |
CN105222285B (zh) * | 2015-11-03 | 2018-01-23 | 珠海格力电器股份有限公司 | 一种空调制热结霜的控制系统及控制方法 |
CN105698452B (zh) * | 2016-02-29 | 2018-07-06 | 广东万和电气有限公司 | 用于热泵退出除霜模式的控制方法和使用其方法的热泵 |
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CN106766443A (zh) * | 2016-11-14 | 2017-05-31 | 广东美的暖通设备有限公司 | 空调热泵系统及其控制方法和控制装置 |
CA2995779C (en) | 2017-02-17 | 2022-11-22 | National Coil Company | Reverse defrost system and methods |
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CN107023945A (zh) * | 2017-04-01 | 2017-08-08 | 青岛海尔空调电子有限公司 | 空调系统及用于空调系统的控制方法 |
JP2019100592A (ja) * | 2017-11-30 | 2019-06-24 | 株式会社富士通ゼネラル | 空気調和装置 |
CN109140725B (zh) * | 2018-08-31 | 2021-01-05 | 广东美的暖通设备有限公司 | 多联机空调系统及其化霜控制方法 |
CN109539479B (zh) * | 2018-11-30 | 2020-03-06 | 珠海格力电器股份有限公司 | 空调除霜方法、装置和空调 |
CN110553438A (zh) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调(上海)有限公司 | 一种单元式冷冻机 |
CN110553418A (zh) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调(上海)有限公司 | 一种多联式冷冻机 |
CN110553437A (zh) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调(上海)有限公司 | 一种热气化霜直流变频压缩冷凝机组 |
US11953243B2 (en) * | 2021-05-14 | 2024-04-09 | Tyco Fire & Security Gmbh | Mechanical-cooling, free-cooling, and hybrid-cooling operation of a chiller |
US11906188B2 (en) * | 2022-03-11 | 2024-02-20 | Johnson Controls Tyco IP Holdings LLP | Energy efficient heat pump systems and methods |
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Publication number | Priority date | Publication date | Assignee | Title |
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JPS6470667A (en) * | 1987-09-11 | 1989-03-16 | Matsushita Refrigeration | Heat pump type air conditioner |
JPH01134182A (ja) * | 1987-11-18 | 1989-05-26 | Matsushita Electric Ind Co Ltd | 膨張弁の制御方法 |
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US4882908A (en) * | 1987-07-17 | 1989-11-28 | Ranco Incorporated | Demand defrost control method and apparatus |
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KR19990005704A (ko) * | 1997-06-30 | 1999-01-25 | 배순훈 | 냉장고의 제상장치 |
-
2002
- 2002-07-03 KR KR10-2002-0038374A patent/KR100484802B1/ko active IP Right Grant
-
2003
- 2003-01-08 US US10/337,789 patent/US6745583B2/en not_active Expired - Lifetime
- 2003-02-10 CN CNB031025269A patent/CN1204369C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6470667A (en) * | 1987-09-11 | 1989-03-16 | Matsushita Refrigeration | Heat pump type air conditioner |
JPH01134182A (ja) * | 1987-11-18 | 1989-05-26 | Matsushita Electric Ind Co Ltd | 膨張弁の制御方法 |
JPH04131668A (ja) * | 1990-09-20 | 1992-05-06 | Daikin Ind Ltd | 空気調和装置の除霜運転制御装置 |
KR19990038850A (ko) * | 1997-11-07 | 1999-06-05 | 윤종용 | 공조기기 및 그 난방운전시 제상제어방법 |
Also Published As
Publication number | Publication date |
---|---|
CN1204369C (zh) | 2005-06-01 |
US6745583B2 (en) | 2004-06-08 |
KR20040003623A (ko) | 2004-01-13 |
US20040003604A1 (en) | 2004-01-08 |
CN1467462A (zh) | 2004-01-14 |
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