Train approach warning system based on microcomputer monitoring

Abstract

The utility model discloses a train approach early warning system based on microcomputer monitoring, including microcomputer monitoring system, early warning host computer and a plurality of early warning extension, early warning host computer includes: wired receiving unit, main control unit, wireless transmitting unit, the input of wired receiving unit is connected with microcomputer monitoring system for receiving train operation data, the output of wired receiving unit is connected with the input of main control unit through internal data bus for transmitting train operation data to main control unit, the output of main control unit is connected with the input of wireless transmitting unit through parallel communication interface for sending voice signal and early warning information to wireless transmitting unit, wireless transmitting unit includes analog talkback channel, digital talkback channel and law enforcement recorder channel, the output of wireless transmitting unit is connected with corresponding analog talkback channel, digital talkback channel and law enforcement recorder channel through wireless radio frequency signal respectively for sending early warning information to early warning extension.

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