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1. WO2013111180 - COOLANT REPLENISHMENT METHOD FOR AIR-CONDITIONING UNIT, AND AIR-CONDITIONING UNIT

Publication Number WO/2013/111180
Publication Date 01.08.2013
International Application No. PCT/JP2012/000419
International Filing Date 24.01.2012
IPC
F25B 45/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
45Arrangements for charging or discharging refrigerant
F25B 1/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
1Compression machines, plant or systems with non-reversible cycle
F25B 7/00 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
7Compression machines, plant, or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
CPC
F25B 13/00
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
13Compression machines, plant or systems with reversible cycle
F25B 2313/0231
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
2313Compression machines, plant, or systems with reversible cycle not otherwise provided for
023using multiple indoor units
0231with simultaneous cooling and heating
F25B 2345/001
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
2345Details for charging or discharging refrigerants; Service stations therefor
001Charging refrigerant to a cycle
F25B 2345/003
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
2345Details for charging or discharging refrigerants; Service stations therefor
003Control issues for charging or collecting refrigerant to or from a cycle
F25B 2400/06
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
06Several compression cycles arranged in parallel
F25B 45/00
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
45Arrangements for charging or discharging refrigerant
Applicants
  • 三菱電機株式会社 Mitsubishi Electric Corporation [JP]/[JP] (AllExceptUS)
  • 山下 浩司 YAMASHITA, Koji (UsOnly)
Inventors
  • 山下 浩司 YAMASHITA, Koji
Agents
  • 小林 久夫 KOBAYASHI, Hisao
Priority Data
Publication Language Japanese (JA)
Filing Language Japanese (JA)
Designated States
Title
(EN) COOLANT REPLENISHMENT METHOD FOR AIR-CONDITIONING UNIT, AND AIR-CONDITIONING UNIT
(FR) PROCÉDÉ DE REMPLISSAGE EN RÉFRIGÉRANT DESTINÉ À UNE UNITÉ DE CLIMATISATION ET UNITÉ DE CLIMATISATION
(JA) 空気調和装置の冷媒充填方法、空気調和装置
Abstract
(EN)
If the difference between the inlet side saturated gas temperature and the outlet side saturated liquid temperature of a first coolant in a heat exchanger (15c) for heating is taken as a first temperature difference, and the difference between the outlet side saturated gas temperature and the inlet side temperature of a second coolant in the heat exchanger (15c) for heating is taken as a second temperature difference, the second coolant is replenished in a second cooling cycle and the difference between the first temperature difference and the second temperature difference is kept at no greater than a given level so that a prescribed mixing ratio for a plurality of individual coolants forming the second coolant is reached.
(FR)
Dans la présente invention, si la différence entre la température du gaz saturé côté admission et la température du liquide saturé côté sortie d'un premier réfrigérant dans un échangeur de chaleur (15c) destiné à chauffer est considérée comme première différence de température et que la différence entre la température du gaz saturé côté sortie et la température côté admission d'un second réfrigérant dans l'échangeur de chaleur (15c) destiné à chauffer est considérée comme seconde différence de température, le second réfrigérant est rempli dans un second cycle de refroidissement et la différence entre la première différence de température et la seconde différence de température est maintenue au plus à un niveau donné, de sorte qu'un rapport de mélange prescrit pour une pluralité de réfrigérants individuels formant le second réfrigérant est atteint.
(JA)
 加熱用熱交換器15cにおける第1冷媒の入口側の飽和ガス温度と、出口側の飽和液温度との差を第1の温度差とし、加熱用熱交換器15cにおける第2冷媒の出口側の飽和ガス温度と、入口側の温度との差を第2の温度差とするとき、第2冷媒を構成する複数の単一冷媒が所定の混合割合となるように、第2の冷凍サイクルに第2冷媒を充填して、第1の温度差と第2の温度差との差を所定値以下に収める。
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