CN1071882C - 冷冻循环装置 - Google Patents

冷冻循环装置 Download PDF

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Publication number
CN1071882C
CN1071882C CN93119985A CN93119985A CN1071882C CN 1071882 C CN1071882 C CN 1071882C CN 93119985 A CN93119985 A CN 93119985A CN 93119985 A CN93119985 A CN 93119985A CN 1071882 C CN1071882 C CN 1071882C
Authority
CN
China
Prior art keywords
mentioned
superheat
degree
value
checkout equipment
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
CN93119985A
Other languages
English (en)
Chinese (zh)
Other versions
CN1093792A (zh
Inventor
久保彻
藤田义信
神户崇幸
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 CN1093792A publication Critical patent/CN1093792A/zh
Application granted granted Critical
Publication of CN1071882C publication Critical patent/CN1071882C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • 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)
CN93119985A 1993-01-27 1993-12-31 冷冻循环装置 Expired - Fee Related CN1071882C (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP011618/1993 1993-01-27
JP1161893 1993-01-27
JP011618/93 1993-01-27
JP05242506A JP3117339B2 (ja) 1993-01-27 1993-09-29 冷凍サイクル装置
JP242506/1993 1993-09-29
JP242506/93 1993-09-29

Publications (2)

Publication Number Publication Date
CN1093792A CN1093792A (zh) 1994-10-19
CN1071882C true CN1071882C (zh) 2001-09-26

Family

ID=26347076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN93119985A Expired - Fee Related CN1071882C (zh) 1993-01-27 1993-12-31 冷冻循环装置

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100363694C (zh) * 2003-05-05 2008-01-23 开利公司 蒸汽压缩系统

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 (ko) * 2000-10-12 2002-12-31 주식회사 엘지이아이 3방향밸브의 제어장치 및 제어방법
KR100579564B1 (ko) * 2004-04-12 2006-05-15 엘지전자 주식회사 냉동 사이클 장치의 전자 팽창밸브 제어 방법
KR100664085B1 (ko) * 2005-11-24 2007-01-03 엘지전자 주식회사 공기 조화기의 제어 장치
JP4935403B2 (ja) * 2007-02-14 2012-05-23 富士電機株式会社 冷媒流量制御装置
US7784296B2 (en) 2007-03-08 2010-08-31 Nordyne Inc. System and method for controlling an air conditioner or heat pump
JP4905271B2 (ja) * 2007-06-29 2012-03-28 ダイキン工業株式会社 冷凍装置
CN101852523B (zh) * 2009-03-31 2012-01-11 海尔集团公司 制冷循环系统的过热度控制方法和系统
JP6076583B2 (ja) * 2011-01-19 2017-02-08 三菱重工業株式会社 ヒートポンプ
US9746224B2 (en) 2012-11-21 2017-08-29 Liebert Corporation Expansion valve setpoint control systems and methods
US10174977B2 (en) 2012-11-21 2019-01-08 Vertiv Corporation Apparatus and method for subcooling control based on superheat setpoint control
CN104110799B (zh) * 2013-05-30 2016-12-07 广东美的制冷设备有限公司 空调器电子膨胀阀的综合控制方法及电路
CN103982987B (zh) * 2014-05-07 2016-08-31 广东美的暖通设备有限公司 防止多联式空调内冷媒偏流的方法及系统、多联式空调
DK201470338A1 (en) * 2014-06-06 2015-05-11 Danfoss As A method for detecting instability in a refrigeration system
CN106403425B (zh) * 2015-07-27 2019-04-12 青岛海尔空调电子有限公司 一种水冷机组的电子膨胀阀控制方法
JP6468300B2 (ja) * 2017-02-13 2019-02-13 株式会社富士通ゼネラル 空気調和装置
CN107401811A (zh) * 2017-07-26 2017-11-28 日照职业技术学院 用于汽车的空调除霜系统
CN110285618B (zh) * 2019-06-27 2020-03-27 山东建筑大学 一种热泵的变频控制装置与控制方法
CN115751594A (zh) * 2022-12-07 2023-03-07 海信空调有限公司 空调器及其控制方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2909190B2 (ja) * 1990-11-02 1999-06-23 株式会社東芝 空気調和機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100363694C (zh) * 2003-05-05 2008-01-23 开利公司 蒸汽压缩系统

Also Published As

Publication number Publication date
JP3117339B2 (ja) 2000-12-11
KR940018635A (ko) 1994-08-18
GB2274930A (en) 1994-08-10
JPH06281234A (ja) 1994-10-07
TW228024B (enrdf_load_html_response) 1994-08-11
CN1093792A (zh) 1994-10-19
GB2274930B (en) 1996-02-07
GB9326573D0 (en) 1994-03-02

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C06 Publication
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Granted publication date: 20010926

Termination date: 20121231