SAFETY SYSTEM AND AIR CONDITIONING SYSTEM
    3.
    发明公开

    公开(公告)号:EP3971485A1

    公开(公告)日:2022-03-23

    申请号:EP21197533.9

    申请日:2020-09-15

    摘要: Provided a safety system (700) comprising: a plurality of valve units (200) for a heat pump system, a connection structure (710), and a discharge structure (720, 730). Each valve unit has refrigerant pipe portions (311, 330) with control valves (364, 365), a casing (400) accommodating at least the valves, and a refrigerant leakage detector (500). The connection structure connects the internal spaces of the casings via openings (420, 430) of the casing. The discharge structure is connected to the connection structure or one of the casings and configured to discharge air from the internal space of the casing in which a refrigerant leakage has occurred. The discharge structure includes a shared duct (720) connected to the connection structure or one of the casings, and a ventilator (730) disposed to the shared duct.

    SAFETY SYSTEM AND AIR CONDITIONING SYSTEM
    6.
    发明公开

    公开(公告)号:EP3967938A1

    公开(公告)日:2022-03-16

    申请号:EP20196177.8

    申请日:2020-09-15

    摘要: Provided a safety system (700) comprising: a plurality of valve units (200) for a heat pump system, a connection structure (710), and a discharge structure (720, 730). Each valve unit has a liquid refrigerant pipe portion (311) with a liquid control valve (364), a gas refrigerant pipe portion (330) with a gas control valve (365), a casing (400) accommodating at least the above valves and formed with at least two openings (420, 430), and a refrigerant leakage detector (500) configured to detect an occurrence of a refrigerant leakage in an internal space of the casing. The connection structure connects the internal spaces of the casings via the openings. The discharge structure is connected to the connection structure or one of the casings and configured to discharge air from the internal space of the casing in which a refrigerant leakage has occurred.

    VALVE UNIT AND METHOD FOR ASSEMBLING THE SAME

    公开(公告)号:EP3904776A1

    公开(公告)日:2021-11-03

    申请号:EP20172339.2

    申请日:2020-04-30

    IPC分类号: F24F11/36 F24F13/20

    摘要: Provided a valve unit (100) used for a heat-pump system, comprising: at least one liquid refrigerant pipe portion (210, 211); at least one gas refrigerant pipe portion (220, 221, 230, 240, 241); at least one liquid control valve (264) disposed in the liquid refrigerant pipe portion; at least one gas control valve (261, 262, 265) disposed in the gas refrigerant pipe portion; a casing (300) accommodating at least the liquid control valve and the gas control valve; and an air-discharge mechanism (500) configured to operate to discharge an air in an internal space (301) of the casing to an external space outside the casing when a refrigerant leakage in the casing has occurred.