REFRIGERATION CYCLE DEVICE USER-SIDE UNIT

• Main Authors: YOKOZEKI ATSUHIKO, DOBASHI KAZUHIRO, TSUBOE HIROAKI, OOKI NAGATOSHI, TADA SHUHEI
• Format: Patent
• Language: English; Japanese
• Published: 13.04.2015
• Subjects: BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION; HEAT EXCHANGE IN GENERAL; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; WEAPONS

PROBLEM TO BE SOLVED: To provide a refrigeration cycle device capable of generally uniformly distributing gas-liquid two-phase refrigerant to each of a plurality of flat tubes constituting a heat exchanger employing the plurality of flat tubes without dependence on a refrigerant flow velocity, suppressing degradation in refrigeration cycle performance, and ensuring high efficiency, while considering global warming prevention.SOLUTION: The refrigeration cycle device includes: a plurality of flat tubes 221 that are arranged generally in parallel and into which refrigerant flows; a blower arranged such that air can flow to the plurality of flat tubes 221; a gas refrigerant distributor 223 connected to one end of each of the plurality of flat tubes 221 for distributing gas refrigerant; and a refrigerant distributor 224 connected to the one end and the other end of each of the plurality of flat tubes 221 via a flow passage 222 for distributing gas-liquid two-phase refrigerant or liquid refrigerant, the flow passage 222 being configured so that refrigerant flow passages 227 corresponding to the plurality of flat tubes 221 are formed, whereby the refrigerant flow passages 227 are connected to the plurality of flat tubes 221 on one-by-one correspondence and that the refrigerant flow passages 227 are connected to a plurality of distribution flow passages of the refrigerant distributor 224. 【課題】扁平管を多本数採用した熱交換器において、冷媒の流速によらず各扁平管に略均一に気液二相の冷媒を分配することができ、冷凍サイクルの性能低下を抑制した、高効率で地球温暖化防止に配慮した冷凍サイクル装置を提供する。【解決手段】略並列に配置され、内部に冷媒が流れる複数の扁平管２２１と、前記複数の扁平管に空気が流れるように配置される送風装置と、前記複数の扁平管の一端に接続され、ガス冷媒を分配するガス冷媒分配器２２３と、前記複数の扁平管の前記一端と反対側の他端に流路部２２２を介して接続され、気液ニ相冷媒又は液冷媒を分配する冷媒分配器２２４と、前記流路部は、前記複数の扁平管に対応する数の冷媒流路２２７が形成されることで、前記冷媒流路と前記複数の扁平管とが１対１に対応して接続され、さらに前記冷媒流路と前記冷媒分配器の複数の分配流路とが接続されるように構成される。【選択図】図２