Research of frequency signal transmission of mine-used sensor

In view of problem that monitoring and control system has error alarm and error power off due to frequency signal transmission mode of mine-used analog sensor is interfered by outer interference, the paper analyzed transmission performance and interference performance of frequency signal, proposed anti-interference measures such as differential transmission, sine-wave transmission, current transmission, bus transmission and reducing transmission frequency, and indicated CAN bus with multi-host would be development trend of signal transmission mode of mine-used sensor.