WO2009069256A1 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

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Publication number
WO2009069256A1
WO2009069256A1 PCT/JP2008/003300 JP2008003300W WO2009069256A1 WO 2009069256 A1 WO2009069256 A1 WO 2009069256A1 JP 2008003300 W JP2008003300 W JP 2008003300W WO 2009069256 A1 WO2009069256 A1 WO 2009069256A1
Authority
WO
WIPO (PCT)
Prior art keywords
open
valve
expansion valve
open degree
state
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.)
Ceased
Application number
PCT/JP2008/003300
Other languages
English (en)
French (fr)
Inventor
Noriyasu Kawakatsu
Hisaaki Takaoka
Hideaki Kuriyama
Shigeto Tanaka
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to US12/522,486 priority Critical patent/US20100000244A1/en
Priority to EP08853467A priority patent/EP2226593A1/en
Publication of WO2009069256A1 publication Critical patent/WO2009069256A1/ja
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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
    • F25B41/345—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids
    • F25B41/347—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by solenoids with the valve member being opened and closed cyclically, e.g. with pulse width modulation
    • 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—Component parts or details not otherwise provided for in this subclass
    • F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
    • 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
    • F25B2600/01—Timing
    • 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
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21171—Temperatures of an evaporator of the fluid cooled by the evaporator
    • F25B2700/21172—Temperatures of an evaporator of the fluid cooled by the evaporator at the inlet
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the evaporator
    • 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
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21175—Temperatures of an evaporator of the refrigerant at the outlet of the evaporator
    • 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)

Abstract

　弁制御手段（33）が膨張弁（13）の開度を制御する冷凍装置（10）に対して、膨張弁（13）を閉じた状態で圧縮機（11）を運転させるポンプダウン運転後に、圧縮機（11）を停止した状態で膨張弁（13）に出力する開度の指令値を徐々に増大させながら、膨張弁（13）と圧縮機（11）の吸入側との間の低圧側冷媒の状態の変化に基づいて膨張弁（13）が開状態になっているか否かの判定を行うことによって、膨張弁（13）が閉状態から開状態に変化するときの開度の指令値である開弁開度を検出する開弁開度検出動作を行う開弁開度検出手段（32,34）を設ける。弁制御手段（33）は、開弁開度検出動作で検出した開弁開度を用いて膨張弁（13）の制御を行う。
PCT/JP2008/003300 2007-11-30 2008-11-12 冷凍装置 Ceased WO2009069256A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/522,486 US20100000244A1 (en) 2007-11-30 2008-11-12 Refrigeration apparatus
EP08853467A EP2226593A1 (en) 2007-11-30 2008-11-12 Freezer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007311271A JP4329858B2 (ja) 2007-11-30 2007-11-30 冷凍装置
JP2007-311271 2007-11-30

Publications (1)

Publication Number Publication Date
WO2009069256A1 true WO2009069256A1 (ja) 2009-06-04

Family

ID=40678170

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/003300 Ceased WO2009069256A1 (ja) 2007-11-30 2008-11-12 冷凍装置

Country Status (4)

Country Link
US (1) US20100000244A1 (ja)
EP (2) EP2226593A1 (ja)
JP (1) JP4329858B2 (ja)
WO (1) WO2009069256A1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007015185B4 (de) * 2007-03-29 2022-12-29 Valeo Klimasysteme Gmbh Klimaanlage für ein Kraftfahrzeug
JP5218694B1 (ja) 2012-01-04 2013-06-26 ダイキン工業株式会社 電子膨張弁および電子膨張弁を備えた空気調和機
JP5573881B2 (ja) * 2012-04-16 2014-08-20 ダイキン工業株式会社 空気調和機
CN103673426B (zh) * 2012-09-10 2016-11-23 青岛海信日立空调系统有限公司 一种开度反馈电子膨胀阀及其控制系统
CA2881971C (en) 2012-09-16 2017-02-21 Changhong Meiling Co., Ltd Electric valve and refrigeration system comprising same
CN102840721B (zh) * 2012-09-16 2014-12-24 合肥美菱股份有限公司 设有电动阀的单循环制冷系统
DE102013213916A1 (de) * 2013-07-16 2015-01-22 Robert Bosch Gmbh Verfahren zum Steuern einer Lüftereinrichtung eines Verdampfers eines Wärmepumpenkreislaufs
WO2015140873A1 (ja) * 2014-03-17 2015-09-24 三菱電機株式会社 冷凍装置、及び、冷凍装置の制御方法
US9746213B2 (en) 2014-08-14 2017-08-29 Siemens Industry, Inc Demand flow for air cooled chillers
CN105650810B (zh) * 2016-01-07 2019-05-31 美的集团武汉制冷设备有限公司 空调器的控制方法、单冷型空调器和冷暖型空调器
JP6478958B2 (ja) * 2016-09-02 2019-03-06 株式会社不二工機 制御弁
JP6937831B2 (ja) * 2016-09-22 2021-09-22 キャリア コーポレイションＣａｒｒｉｅｒ Ｃｏｒｐｏｒａｔｉｏｎ 輸送用冷凍ユニットの制御方法
US10712063B2 (en) * 2016-10-17 2020-07-14 Fbd Partnership, Lp Frozen product dispensing systems and methods
CN209196130U (zh) * 2018-08-02 2019-08-02 浙江盾安禾田金属有限公司 空调及其电子膨胀阀
CN113803844B (zh) * 2021-10-09 2022-07-08 宁波奥克斯电气股份有限公司 电子膨胀阀控制方法、装置、空调器、计算机存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05118670A (ja) * 1991-10-29 1993-05-14 Sanyo Electric Co Ltd 空気調和機における室内電動弁の制御方法
JPH07225058A (ja) 1994-02-15 1995-08-22 Daikin Ind Ltd 空気調和機の過熱度制御装置
JPH09236367A (ja) * 1995-12-29 1997-09-09 Lg Electronics Inc 線形圧縮機を具備した冷蔵庫制御装置
JPH11159893A (ja) * 1997-12-01 1999-06-15 Mitsubishi Electric Corp 電動膨張弁の全閉開度検知装置を備えた冷凍サイクル
JP2001201213A (ja) * 2000-01-21 2001-07-27 Denso Corp 超臨界冷凍サイクル
WO2007029802A1 (ja) * 2005-09-09 2007-03-15 Daikin Industries, Ltd. 冷凍装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2529387B2 (ja) * 1989-04-13 1996-08-28 三菱電機株式会社 冷凍サイクルにおける電子膨張弁の制御方法
JP3109500B2 (ja) * 1998-12-16 2000-11-13 ダイキン工業株式会社 冷凍装置
US6205798B1 (en) * 1999-01-19 2001-03-27 Carrier Corporation Test for the automated detection of leaks between high and low pressure sides of a refrigeration system
US6505476B1 (en) * 1999-10-28 2003-01-14 Denso Corporation Refrigerant cycle system with super-critical refrigerant pressure
US7216494B2 (en) * 2003-10-10 2007-05-15 Matt Alvin Thurman Supermarket refrigeration system and associated methods
US7127905B2 (en) * 2003-12-19 2006-10-31 Carrier Corporation Vapor compression system startup method
JP2006118783A (ja) * 2004-10-21 2006-05-11 Denso Corp 冷凍サイクル装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05118670A (ja) * 1991-10-29 1993-05-14 Sanyo Electric Co Ltd 空気調和機における室内電動弁の制御方法
JPH07225058A (ja) 1994-02-15 1995-08-22 Daikin Ind Ltd 空気調和機の過熱度制御装置
JPH09236367A (ja) * 1995-12-29 1997-09-09 Lg Electronics Inc 線形圧縮機を具備した冷蔵庫制御装置
JPH11159893A (ja) * 1997-12-01 1999-06-15 Mitsubishi Electric Corp 電動膨張弁の全閉開度検知装置を備えた冷凍サイクル
JP2001201213A (ja) * 2000-01-21 2001-07-27 Denso Corp 超臨界冷凍サイクル
WO2007029802A1 (ja) * 2005-09-09 2007-03-15 Daikin Industries, Ltd. 冷凍装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP2226593A4

Also Published As

Publication number Publication date
EP2226593A4 (en) 2010-09-08
US20100000244A1 (en) 2010-01-07
JP2009133570A (ja) 2009-06-18
EP2226593A1 (en) 2010-09-08
EP2354727A1 (en) 2011-08-10
JP4329858B2 (ja) 2009-09-09

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