GB2274930B - Refrigeraing apparatus and control methods therefor - Google Patents

Refrigeraing apparatus and control methods therefor

Info

Publication number
GB2274930B
GB2274930B GB9326573A GB9326573A GB2274930B GB 2274930 B GB2274930 B GB 2274930B GB 9326573 A GB9326573 A GB 9326573A GB 9326573 A GB9326573 A GB 9326573A GB 2274930 B GB2274930 B GB 2274930B
Authority
GB
United Kingdom
Prior art keywords
refrigeraing
control methods
methods therefor
therefor
control
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
Application number
GB9326573A
Other versions
GB2274930A (en
GB9326573D0 (en
Inventor
Tooru Kubo
Yoshinobu Fujita
Takayuki Kambe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of GB9326573D0 publication Critical patent/GB9326573D0/en
Publication of GB2274930A publication Critical patent/GB2274930A/en
Application granted granted Critical
Publication of GB2274930B publication Critical patent/GB2274930B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
    • 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
    • F25B2341/06—Details of flow restrictors or expansion valves
    • F25B2341/068—Expansion valves combined with a sensor
    • 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
    • F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
    • 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
    • F25B2600/21—Refrigerant outlet evaporator temperature
    • 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)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
GB9326573A 1993-01-27 1993-12-30 Refrigeraing apparatus and control methods therefor Expired - Fee Related GB2274930B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1161893 1993-01-27
JP05242506A JP3117339B2 (en) 1993-01-27 1993-09-29 Refrigeration cycle device

Publications (3)

Publication Number Publication Date
GB9326573D0 GB9326573D0 (en) 1994-03-02
GB2274930A GB2274930A (en) 1994-08-10
GB2274930B true GB2274930B (en) 1996-02-07

Family

ID=26347076

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9326573A Expired - Fee Related GB2274930B (en) 1993-01-27 1993-12-30 Refrigeraing apparatus and control methods therefor

Country Status (5)

Country Link
JP (1) JP3117339B2 (en)
KR (1) KR940018635A (en)
CN (1) CN1071882C (en)
GB (1) GB2274930B (en)
TW (1) TW228024B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5533347A (en) * 1993-12-22 1996-07-09 Novar Electronics Corporation Method of refrigeration case control
US6148628A (en) * 1999-03-26 2000-11-21 Carrier Corporation Electronic expansion valve without pressure sensor reading
KR100366449B1 (en) * 2000-10-12 2002-12-31 주식회사 엘지이아이 Control Device and Control Method of 3 way valve
US7201008B2 (en) * 2003-05-05 2007-04-10 Carrier Corporation Vapor compression system performance enhancement and discharge temperature reduction in the unloaded mode of operation
KR100579564B1 (en) * 2004-04-12 2006-05-15 엘지전자 주식회사 LEV control method of cooling cycle apparatus
KR100664085B1 (en) * 2005-11-24 2007-01-03 엘지전자 주식회사 Apparatus for controlling air conditioner
JP4935403B2 (en) * 2007-02-14 2012-05-23 富士電機株式会社 Refrigerant flow control device
US7784296B2 (en) * 2007-03-08 2010-08-31 Nordyne Inc. System and method for controlling an air conditioner or heat pump
JP4905271B2 (en) * 2007-06-29 2012-03-28 ダイキン工業株式会社 Refrigeration equipment
CN101852523B (en) * 2009-03-31 2012-01-11 海尔集团公司 Superheat degree control method and system for refrigeration circulation system
JP6076583B2 (en) * 2011-01-19 2017-02-08 三菱重工業株式会社 heat pump
US10174977B2 (en) 2012-11-21 2019-01-08 Vertiv Corporation Apparatus and method for subcooling control based on superheat setpoint control
US9746224B2 (en) * 2012-11-21 2017-08-29 Liebert Corporation Expansion valve setpoint control systems and methods
CN104110799B (en) * 2013-05-30 2016-12-07 广东美的制冷设备有限公司 The integrated control method of air-conditioner electric expansion valve and circuit
CN103982987B (en) * 2014-05-07 2016-08-31 广东美的暖通设备有限公司 Prevent the method and system of coolant bias current, multi-connected air conditioner in multi-connected air conditioner
DK201470338A1 (en) * 2014-06-06 2015-05-11 Danfoss As A method for detecting instability in a refrigeration system
CN106403425B (en) * 2015-07-27 2019-04-12 青岛海尔空调电子有限公司 A kind of control method for electronic expansion valve of water chiller
JP6468300B2 (en) 2017-02-13 2019-02-13 株式会社富士通ゼネラル Air conditioner
CN107401811A (en) * 2017-07-26 2017-11-28 日照职业技术学院 Air conditioner defrosting system for automobile
CN110285618B (en) * 2019-06-27 2020-03-27 山东建筑大学 Frequency conversion control device and control method of heat pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251959A (en) * 1990-11-02 1992-07-22 Toshiba Kk Multi-type air conditioner system with optimum control for gaseous flow adjustment valve and liquid expansion valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251959A (en) * 1990-11-02 1992-07-22 Toshiba Kk Multi-type air conditioner system with optimum control for gaseous flow adjustment valve and liquid expansion valve

Also Published As

Publication number Publication date
TW228024B (en) 1994-08-11
GB2274930A (en) 1994-08-10
JPH06281234A (en) 1994-10-07
CN1093792A (en) 1994-10-19
GB9326573D0 (en) 1994-03-02
KR940018635A (en) 1994-08-18
CN1071882C (en) 2001-09-26
JP3117339B2 (en) 2000-12-11

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20121230