Nuclear power plant vibration signal acquisition device

The utility model discloses a nuclear power plant vibration signal acquisition device, comprising a vibration detection unit used for generating a vibration signal according to the vibration quantity of a device to be detected, a vibration acquisition module of which the input end is connected with the vibration detection unit, and a vibration transmitter used for carrying out type conversion on the vibration signal and outputting a current type vibration signal, the isolation circuit is connected between the vibration detection unit and the vibration transmitter and plays a role in isolation; according to the utility model, the vibration signal output by the same acceleration sensor can be converted into a voltage type vibration signal and a current type vibration signal, thereby reducing the installation number of acceleration sensors, meeting the requirements of different monitoring systems for signal types, ensuring the source consistency of the vibration signal, and improving the reliability of the syste