KR100463254B1 - 냉동장치 - Google Patents
냉동장치 Download PDFInfo
- Publication number
- KR100463254B1 KR100463254B1 KR10-2001-0075041A KR20010075041A KR100463254B1 KR 100463254 B1 KR100463254 B1 KR 100463254B1 KR 20010075041 A KR20010075041 A KR 20010075041A KR 100463254 B1 KR100463254 B1 KR 100463254B1
- Authority
- KR
- South Korea
- Prior art keywords
- capacity
- pressure value
- pressure
- compressor
- suction
- 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
- 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
- F25B1/00—Compression machines, plants or systems with non-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
- 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
- F25B2400/03—Suction accumulators with deflectors
-
- 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
- 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
- F25B2400/16—Receivers
-
- 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
- F25B2400/22—Refrigeration systems for supermarkets
-
- 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
-
- 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
- F25B2700/1933—Suction 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
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)
Abstract
Description
Claims (8)
- 압축기, 응축기, 수액기, 팽창밸브 및 증발기로 이루어진 냉동사이클; 및 상기 압축기의 흡입측의 압력을 검출하는 흡입압력센서를 포함하는 냉동장치에 있어서,상기 흡입압력이 캐패시티-업 압력값 이상인 경우에는, 압축기의 운전대수 또는 작동주파수가 증가되고; 상기 흡입압력이 캐패시티-다운 압력값 이하인 경우에는, 상기 압축기의 운전대수 또는 상기 작동주파수가 감소되며;상기 흡입압력이 상기 캐패시티-업 압력값 이상으로 있는 시간주기 및 상기 흡입압력이 상기 캐패시티-다운 압력값 이하로 있는 시간주기가 서로 비교되어 계산되고, 후자의 시간주기가 전자의 시간주기 보다 더 긴 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 커지는 것을 특징으로 하는 냉동장치.
- 제1항에 있어서,상기 흡입압력이 상기 캐패시티-다운 압력값 이하로 있는 시간주기가 상기 흡입압력이 상기 캐패시티-업 압력값 이상으로 있는 시간주기 보다 짧은 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 작아지는 것을 특징으로 하는 냉동장치.
- 압축기, 응축기, 수액기, 팽창밸브 및 증발기로 이루어진 냉동사이클; 및상기 압축기의 흡입측의 압력을 검출하는 흡입압력센서를 포함하는 냉동장치에 있어서,상기 흡입압력이 캐패시티-업 압력값 이상인 경우에는, 압축기의 운전대수 또는 작동주파수가 증가되고; 상기 흡입압력이 캐패시티-다운 압력값 이하인 경우에는, 상기 압축기의 운전대수 또는 상기 작동주파수가 감소되며;상기 흡입압력의 변화율이 소정값 보다 더 큰 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 커지는 것을 특징으로 하는 냉동장치.
- 제3항에 있어서,상기 흡입압력의 변화율이 상기 소정값 보다 더 작은 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 작아지는 것을 특징으로 하는 냉동장치.
- 압축기, 응축기, 수액기, 팽창밸브 및 증발기로 이루어진 냉동사이클; 및상기 압축기의 흡입측의 압력을 검출하는 흡입압력센서를 포함하여 이루어진 냉동장치에 있어서,상기 흡입압력이 캐패시티-업 압력값 이상인 경우에는, 압축기의 운전대수 또는 작동주파수가 증가되고; 상기 흡입압력이 캐패시티-다운 압력값 이하인 경우에는, 상기 압축기의 운전대수 또는 상기 작동주파수가 감소되며;상기 압축기가 복수개이고, 상기 흡입압력이 상기 캐패시티-업 압력값 이상인 시점으로부터 상기 복수의 압축기 중 하나가 정지하는 시점까지 경과되는 시간주기가 측정되고, 그 시간주기가 소정의 지속시간 보다 더 짧은 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 커지는 것을 특징으로 하는 냉동장치.
- 제5항에 있어서,상기 정지할 때까지 경과된 상기 시간주기가 상기 소정의 지속시간 보다 더 긴 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 작아지는 것을 특징으로 하는 냉동장치.
- 압축기, 응축기, 수액기, 팽창밸브 및 증발기로 이루어진 냉동사이클; 및상기 압축기의 흡입측의 압력을 검출하는 흡입압력센서를 포함하는 냉동장치에 있어서,상기 흡입압력이 캐패시티-업 압력값 이상인 경우에는, 압축기의 운전대수 또는 작동주파수를 증가시키고; 상기 흡입압력이 캐패시티-다운 압력값 이하인 경우에는, 상기 압축기의 운전대수 또는 상기 작동주파수를 감소되며;상기 흡입압력이 상기 캐패시티-업 압력값 이상인 시점으로부터 상기 흡입압력이 상기 캐패시티-다운 압력값 이하인 시점까지 경과된 시간주기가 측정되고, 그 시간주기가 소정의 지속시간 보다 짧은 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 커지는 것을 특징으로 하는 냉동장치.
- 제7항에 있어서,상기 흡입압력의 변화율이 소정값 보다 더 큰 경우에는, 상기 캐패시티-업 압력값과 상기 캐패시티-다운 압력값 중 적어도 하나가 상기 각각의 압력값 보다 더 커지는 것을 특징으로 하는 냉동장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00051380 | 2001-02-27 | ||
JP2001051380A JP3668842B2 (ja) | 2001-02-27 | 2001-02-27 | 冷凍装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020070079A KR20020070079A (ko) | 2002-09-05 |
KR100463254B1 true KR100463254B1 (ko) | 2004-12-23 |
Family
ID=18912174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0075041A KR100463254B1 (ko) | 2001-02-27 | 2001-11-29 | 냉동장치 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6474085B2 (ko) |
JP (1) | JP3668842B2 (ko) |
KR (1) | KR100463254B1 (ko) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4330369B2 (ja) * | 2002-09-17 | 2009-09-16 | 株式会社神戸製鋼所 | スクリュ冷凍装置 |
KR20040045090A (ko) * | 2002-11-22 | 2004-06-01 | 엘지전자 주식회사 | 다수개의 압축기를 적용한 히트펌프 시스템의 압축기제어방법 |
KR20050042953A (ko) * | 2003-11-04 | 2005-05-11 | 엘지전자 주식회사 | 인버터 압축기 및 정속 압축기를 구비한 공조시스템의운전제어방법 |
JP3891196B2 (ja) * | 2004-11-25 | 2007-03-14 | ダイキン工業株式会社 | 冷凍装置 |
EP1693634A1 (en) * | 2005-02-22 | 2006-08-23 | Lg Electronics Inc. | Method for controlling the operation of an air-conditioner |
US7861546B2 (en) * | 2006-04-03 | 2011-01-04 | Computer Process Controls, Inc. | Refrigeration system capacity controller and method |
EP2504641B1 (en) | 2009-11-25 | 2019-01-02 | Carrier Corporation | Low suction pressure protection in a refrigerant vapor compression system |
EP2889552A4 (en) * | 2012-08-23 | 2016-04-20 | Mitsubishi Electric Corp | COOLER |
EP2738482B1 (en) * | 2012-11-30 | 2020-11-18 | Danfoss A/S | A method for matching refrigeration load to compressor capacity |
CN108223378A (zh) * | 2017-12-30 | 2018-06-29 | 湖北金雄节能科技股份有限公司 | 空压机节能控制系统 |
CN108223377A (zh) * | 2017-12-30 | 2018-06-29 | 湖北金雄节能科技股份有限公司 | 空压机节能控制方法 |
CN113503653B (zh) * | 2021-08-04 | 2022-05-06 | 珠海格力电器股份有限公司 | 多压缩机制冷系统及空调器 |
Citations (6)
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JPS5756691A (en) * | 1980-09-19 | 1982-04-05 | Sanyo Electric Co Ltd | Controller for multi-refrigerator |
JPH01219373A (ja) * | 1988-02-26 | 1989-09-01 | Toshiba Corp | 冷凍機の圧縮機制御方法 |
JPH01296053A (ja) * | 1988-05-19 | 1989-11-29 | Daikin Ind Ltd | 空気調和装置 |
JPH06323648A (ja) * | 1993-05-19 | 1994-11-25 | Hitachi Ltd | 冷凍装置 |
JP2000257964A (ja) * | 1999-03-10 | 2000-09-22 | Hitachi Ltd | 冷凍装置 |
KR20020036544A (ko) * | 2000-11-10 | 2002-05-16 | 구자홍 | 2개의 압축기를 갖는 공조시스템의 전자팽창변 제어방법 |
Family Cites Families (9)
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US4184341A (en) * | 1978-04-03 | 1980-01-22 | Pet Incorporated | Suction pressure control system |
US4612776A (en) * | 1979-07-31 | 1986-09-23 | Alsenz Richard H | Method and apparatus for controlling capacity of a multiple-stage cooling system |
US4951475A (en) * | 1979-07-31 | 1990-08-28 | Altech Controls Corp. | Method and apparatus for controlling capacity of a multiple-stage cooling system |
US4384462A (en) * | 1980-11-20 | 1983-05-24 | Friedrich Air Conditioning & Refrigeration Co. | Multiple compressor refrigeration system and controller thereof |
US4535602A (en) * | 1983-10-12 | 1985-08-20 | Richard H. Alsenz | Shift logic control apparatus for unequal capacity compressors in a refrigeration system |
JPH0359350A (ja) * | 1989-07-28 | 1991-03-14 | Toshiba Corp | 空気調和機 |
JPH08189709A (ja) | 1995-01-10 | 1996-07-23 | Hitachi Ltd | 冷凍装置及びその運転制御方式 |
JP3186499B2 (ja) | 1995-03-29 | 2001-07-11 | 株式会社日立製作所 | 店舗用冷凍装置 |
JPH10141784A (ja) | 1996-11-12 | 1998-05-29 | Hitachi Ltd | 冷凍装置 |
-
2001
- 2001-02-27 JP JP2001051380A patent/JP3668842B2/ja not_active Expired - Lifetime
- 2001-11-06 US US09/985,746 patent/US6474085B2/en not_active Expired - Lifetime
- 2001-11-29 KR KR10-2001-0075041A patent/KR100463254B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5756691A (en) * | 1980-09-19 | 1982-04-05 | Sanyo Electric Co Ltd | Controller for multi-refrigerator |
JPH01219373A (ja) * | 1988-02-26 | 1989-09-01 | Toshiba Corp | 冷凍機の圧縮機制御方法 |
JPH01296053A (ja) * | 1988-05-19 | 1989-11-29 | Daikin Ind Ltd | 空気調和装置 |
JPH06323648A (ja) * | 1993-05-19 | 1994-11-25 | Hitachi Ltd | 冷凍装置 |
JP2000257964A (ja) * | 1999-03-10 | 2000-09-22 | Hitachi Ltd | 冷凍装置 |
KR20020036544A (ko) * | 2000-11-10 | 2002-05-16 | 구자홍 | 2개의 압축기를 갖는 공조시스템의 전자팽창변 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
US20020116938A1 (en) | 2002-08-29 |
US6474085B2 (en) | 2002-11-05 |
JP3668842B2 (ja) | 2005-07-06 |
JP2002257425A (ja) | 2002-09-11 |
KR20020070079A (ko) | 2002-09-05 |
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