Reveal the underground iron you don't know

There are also "traffic lights" by subway trains? There is no steering wheel. How can I go when I encounter a fork? Relying on the signal system. The signal system is like a "traffic light", which controls the subway vehicles to ensure that driving is safe.

Is the subway station the livable standard? Winter warm and cool in summer, how did the subway station do it? The large volume of fans and air conditioners, red and white fire water pipes and water supply pipes, coupled with the lighting lines throughout the audience, the huge Feng Shui power system to create this super comfortable underground space together.

The communication in the subway is actually good? 20 meters underground, communication is not an easy task. However, the communication here does not refer to mobile phones, but for special communication systems for dispatching, monitoring, and ticket sales. The signal system is like a neural network that passes the signal, uploading and off, so that the subway operations are carried out in an orderly manner.

Is the subway a low high -speed rail? The high -speed rail train starts the operation by the high -voltage electricity transported by the contact network, and the subway train is the same configuration. The power supply system behind the contact network is the heart of the subway operation. It is its continuous electricity that supports the stable operation of the subway day after day.

(Hubei Daily all media reporter Hu Xi, correspondent He Debo)

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