Signal acquisition part of highway slope support engineering safety pre-warning system

The invention discloses a signal acquisition part of a highway slope support engineering safety pre-warning system, and belongs to the technical field of engineering safety protection. The highway slope support engineering safety pre-warning system comprises a master control part and a signal acquisition part. The master control part comprises a main control module, a sound and light alarm module, a wireless communication receiving module, and a main power supply module. The signal acquisition part comprises a sub control module, a wireless communication transmitting module, a tri-axial acceleration sensor module, an acceleration sensor placement status module, a vibration waveform database, a vibration waveform analysis module, a vibration shear waveform judgment module, a vibration longitudinal waveform judgment module, a vibration plane waveform judgment module, an amplitude and time record module, and a slave power supply module. Compared with the prior art, the signal acquisition part of the highway slope support engineering safety pre-warning system has the characteristics of simple structure, stable performance, easy control, and the like.