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1. WO2009069256 - 冷凍装置

公開番号 WO/2009/069256
公開日 04.06.2009
国際出願番号 PCT/JP2008/003300
国際出願日 12.11.2008
IPC
F25B 1/00 2006.01
F機械工学;照明;加熱;武器;爆破
25冷凍または冷却;加熱と冷凍との組み合わせシステム;ヒートポンプシステム;氷の製造または貯蔵;気体の液化または固体化
B冷凍機械,プラントまたはシステム;加熱と冷凍の組み合わせシステム;ヒート・ポンプ・システム
1不可逆サイクルによる圧縮式機械,プラントまたはシステム
F25B 41/06 2006.01
F機械工学;照明;加熱;武器;爆破
25冷凍または冷却;加熱と冷凍との組み合わせシステム;ヒートポンプシステム;氷の製造または貯蔵;気体の液化または固体化
B冷凍機械,プラントまたはシステム;加熱と冷凍の組み合わせシステム;ヒート・ポンプ・システム
41流体循環装置,例.蒸発器からボイラに流体を移送する装置(ポンプそれ自体,ポンプの密封装置F04)
06流量制限器,例.キャピラリ管;その配置
CPC
F25B 2341/0653
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2341Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
06Details of flow restrictors or expansion valves
065Electric expansion valves
0653actuated by an electric motor
F25B 2400/19
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2400General 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
19Pumping 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
F25B 2500/26
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2500Problems to be solved
26characterised by the startup of the refrigeration cycle
F25B 2600/01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2600Control issues
01Timing
F25B 2600/2513
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2600Control issues
25Control of valves
2513Expansion valves
F25B 2700/21172
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2700Sensing or detecting of parameters; Sensors therefor
21Temperatures
2117of an evaporator
21171of the fluid cooled by the evaporator
21172at the inlet
出願人
  • ダイキン工業株式会社 DAIKIN INDUSTRIES, LTD. [JP]/[JP] (AllExceptUS)
  • 川勝紀育 KAWAKATSU, Noriyasu [JP]/[JP] (UsOnly)
  • 高岡久晃 TAKAOKA, Hisaaki [JP]/[JP] (UsOnly)
  • 栗山英明 KURIYAMA, Hideaki [JP]/[JP] (UsOnly)
  • 田中滋人 TANAKA, Shigeto [JP]/[JP] (UsOnly)
発明者
  • 川勝紀育 KAWAKATSU, Noriyasu
  • 高岡久晃 TAKAOKA, Hisaaki
  • 栗山英明 KURIYAMA, Hideaki
  • 田中滋人 TANAKA, Shigeto
代理人
  • 前田弘 MAEDA, Hiroshi
優先権情報
2007-31127130.11.2007JP
公開言語 (言語コード) 日本語 (JA)
出願言語 (言語コード) 日本語 (JA)
指定国 (国コード)
発明の名称
(EN) FREEZER
(FR) CONGÉLATEUR
(JA) 冷凍装置
要約
(EN)
A freezer (10) includes: valve control means (33) which controls an open degree of an expansion valve (13); and open valve open degree detection means (32, 34) which detect an open valve open degree as an open degree instruction value when the expansion valve (13) changes from a closed state to an open state. A pump-down operation is performed to operate a compressor (11) while the expansion valve (13) is in a closed state. After this, by gradually increasing an open degree instruction value to be outputted to the expansion valve (13) while the compressor (11) is in a stop state, a judgment is made to decide whether the expansion valve (13) is in the open state according to a state change of a low-pressure side coolant between the expansion valve (13) and an intake side of the compressor (11). The valve control means (33) controls the expansion valve (13) by using the open valve open degree detected by the open valve open degree detection operation.
(FR)
Le congélateur (10) décrit comprend : un moyen de commande de vanne (33) qui commande un degré d'ouverture d'une vanne de détente (13) ; et un moyen de détection de degré d'ouverture de vanne ouverte (32, 34) qui détecte un degré d'ouverture de vanne ouverte en tant que valeur d'instruction de degré d'ouverture lorsque la vanne de détente (13) passe d'un état fermé à un état ouvert. Une opération d'évacuation est réalisée pour faire fonctionner un compresseur (11) alors que la vanne de détente (13) est à l'état fermé. Après cela, en augmentant progressivement une valeur d'instruction de degré d'ouverture devant être émise vers la vanne de détente (13) alors que le compresseur (11) est à l'état d'arrêt, on détermine si la vanne de détente (13) est à l'état ouvert selon un changement d'état d'un caloporteur côté basse pression entre la vanne de détente (13) et un côté admission du compresseur (11). Le moyen de commande de vanne (33) commande la vanne de détente (13) à l'aide du degré d'ouverture de vanne ouverte détecté grâce à l'opération de détection de degré d'ouverture de vanne ouverte.
(JA)
 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。
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