The invention discloses a fire alarm device for urban rail transit. The fire alarm device comprises a first shell; the pushing device is arranged in the shell I; the solid generating agent bag is arranged in the shell I; the pulse igniter is arranged in the first shell, a first wiring terminal is arranged at the top of the pulse igniter, a moving rod is arranged at the bottom of the pulse igniter, and a plurality of thorn bodies are arranged on one side of the moving rod at intervals; a wiring terminal II is arranged at the bottom of the power supply; a cylindrical baffle is arranged in the middle of the second shell, an air injection channel is formed in the baffle, the air injection channel communicates with the interior of the first shell, and the moving rod is located in the air injection channel; a closed area defined by the outer wall of the baffle and the inner wall of the second shell is filled with fire extinguishing dry powder. A plurality of open holes are formed in the baffle at intervals, and each open hole is sealed through a film; all the films close to the other side of the moving rod are connected with the moving rod, and one thorn body corresponds to one hole; a signal collector; a sound alarm; and a controller. According to the invention, the sound alarm can rapidly give an alarm and extinguish fire.

    本发明公开了城市轨道交通火灾报警装置,包括:壳体一;推动装置,其设置在壳体一内;固体发生剂包,其设置在壳体一内;脉冲点火器,其设置在壳体一内,且其顶部设置有接线端子一,底部设置有移动杆,移动杆的一侧间隔设置有多根刺体;电源,其底部设置有接线端子二;壳体二,其中部设置有筒形的挡板,挡板内形成喷气道,喷气道与壳体一的内部连通,移动杆位于喷气道内;挡板的外壁和壳体二的内壁围成的封闭区域内填充有灭火干粉;挡板上间隔设置有多个开孔,每个开孔处均通过一片薄膜密封;靠近移动杆的另一侧的各片薄膜均与移动杆连接,一个刺体对应一个开孔;信号采集器;声音报警器;控制器。本发明能快速通过声音报警器进行报警,并灭火。


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    Title :

    Fire alarm device for urban rail transit


    Additional title:

    城市轨道交通火灾报警装置


    Contributors:

    Publication date :

    2024-03-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G08B SIGNALLING OR CALLING SYSTEMS , Signalisier- oder Rufsysteme / A62C FIRE-FIGHTING , Feuerbekämpfung / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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