HEAT MEDIUM CIRCULATION DEVICE

• Main Authors: MORIWAKI SHUNJI, YAMAOKA YOSHIKI, BANDO YASUAKI, MACHIDA KAZUHIKO
• Format: Patent
• Language: English; Japanese
• Published: 09.11.2022
• Subjects: AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING; BLASTING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; HEATING; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MECHANICAL ENGINEERING; RANGES; REFRIGERATION MACHINES, PLANTS OR SYSTEMS; REFRIGERATION OR COOLING; VENTILATING; WEAPONS

To provide a heat medium circulation device that reduces ignition risk at the time of leakage of a combustible refrigerant while assuring energy saving performance and sound insulation performance.SOLUTION: A heat medium circulation device 100 according to the present disclosure comprises a refrigerant circuit 110 in which a compressor, a utilization side heat exchanger, an expansion device, and a heat source side heat exchanger are connected in a circular pattern, and a machine chamber 130 in which at least a portion of the refrigerant circuit 110, and a control device 120 are housed, uses a combustible refrigerant as a working fluid, and comprises an opening/closing mechanism 140 to be opened so as to provide ventilation between the inside of the machine chamber 130 and the outdoors when the combustible refrigerant leaks into the machine chamber 130.SELECTED DRAWING: Figure 1 【課題】本開示は、省エネ性・遮音性を担保しつつ可燃性冷媒の漏洩時の着火リスクを低減する熱媒体循環装置を提供する。【解決手段】本開示における熱媒体循環装置１００は、圧縮機、利用側熱交換器、膨張装置、および熱源側熱交換器が環状に接続された冷媒回路１１０と、少なくとも冷媒回路１１０の一部および制御装置１２０が収納された機械室１３０と、を備え、作動流体として可燃性冷媒を用い、機械室１３０内に可燃性冷媒が漏洩した際に、機械室１３０内部と屋外とが通気するように開口する開閉機構１４０を有する。【選択図】図１