This paper presents a process of a "Portable Testing Instrument for Train Brake Pipe Gas Pressure", including hardware design and software development.
本论文完成的工作包括便携式列车管气体压力测试仪的硬件设计与软件开发。
The utility model makes the dustproof gate close automatically under the condition of non-connection to prevent foreign bodies from entering the train brake pipe and affecting the safety of running.
该装置在非连接状态下使防尘门自动关闭，防止异物 进入列车制动管系影响行车安全；
This is normally done by charging the brake pipe fully from one end of the train and checking that it has charged at the other end.
通常的做法是从列车制动管的一端充气，观察另一端的变化。
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