Track axle counting sensor and anti-interference counting method thereof

The invention discloses a track axle counting sensor and an anti-interference counting method thereof, and relates to the technical field of track axle counting sensors, and the track axle counting sensor comprises a sleeper and a counting assembly. In the using process of the pressure strain device, the processing circuit arranged in the circuit board outputs the physical deformation sensed by the pressure strain device when the railway vehicle passes through the steel rail and an analog signal used for representing the physical deformation, and the analog signal is finally converted into a digital signal after amplification shaping and clutter filtering, so that signal processing can be facilitated; the weight of each axle of the railway vehicle is calculated according to the waveform of the digital signal through a calculation unit arranged in a circuit board, the weight of each axle of the railway vehicle is compared with a preset weight threshold value through a logic judgment unit, and when the waveform