Novel biplate sandwich ultrasonic transducer

The utility model provides a novel biplate sandwich ultrasonic transducer, including transducer forerunner, reflection piece and clamp bolt, the prodromal terminal surface of transducer is provided with the blind hole, and the reflection piece is provided with the through -hole, is provided with two polarization opposite direction's piezoceramics ring between transducer forerunner and the reflection piece, is provided with a cyclic annular electrode slice between two piezoceramics rings, is provided with a cyclic annular electrode slice between reflection piece and the adjacent piezoceramics ring, and clamp bolt passes reflection piece, cyclic annular electrode slice and piezoceramics ring and inserts blind hole and transducer forerunner fixed connection. The utility model relates to a novel biplate sandwich ultrasonic transducer has guaranteed the work efficiency of transducer when adopting two wafers, stability is good, and node position is stable, give out heat little, supersound output efficiency height, long service life.