The invention provides a pneumatic alarm device and a locomotive, and relates to the technical field of locomotive safety. The pneumatic alarm device comprises a sound amplification cylinder used for amplifying an alarm prompt tone generated by the pneumatic alarm device; a diaphragm which is matched with one end of the sound amplification cylinder, the diaphragm comprises a first diaphragm and a second diaphragm, and the first diaphragm and the second diaphragm are used for generating the alarm prompt tone; and a gasket which is arranged between the first diaphragm and the second diaphragm, and the gasket is used for isolating the first diaphragm from the second diaphragm. According to the pneumatic alarm device, the two diaphragms are arranged in the device to form a double-diaphragm structure, the sound level, the frequency and the performance of the alarm prompt tone of the device can be changed, the problem that the pneumatic alarm device cannot meet the EAC authentication requirement due to limitation of the structure and the material is solved, and the device is simple in structure and good in functionality, and the maintenance is convenient.

    本公开提供了一种气动报警装置及机车,涉及机车安全技术领域。该气动报警装置包括:扩音筒,所述扩音筒用于扩大所述气动报警装置产生的报警提示音;膜片,所述膜片与所述扩音筒的一端配合,所述膜片包括第一膜片和第二膜片,所述第一膜片和所述第二膜片用于产生所述报警提示音;垫圈,所述垫圈设置在所述第一膜片和所述第二膜片之间,所述垫圈用于隔离所述第一膜片和所述第二膜片。本公开提供的气动报警装置通过在装置中设置两个膜片形成双膜片结构,可以改变装置的报警提示音的声级、频率和性能,从而解决了气动报警装置因结构、材质的限制导致无法满足EAC认证要求的问题,并且该装置结构简单,功能性好,且方便维修。


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    Titel :

    Pneumatic alarm device and locomotive


    Weitere Titelangaben:

    气动报警装置及机车


    Beteiligte:
    YANG JIAN (Autor:in) / CUI SIHONG (Autor:in) / ZHANG ZHIPING (Autor:in)

    Erscheinungsdatum :

    2021-11-02


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES



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