Ultrasonic transducers are widely used. According to the application industries, they are divided into industry, agriculture, transportation, life, medical treatment and military. According to the realized functions, it is divided into ultrasonic processing, ultrasonic cleaning, ultrasonic detection, detection, monitoring, telemetry, remote control, etc.; according to the working environment, it is divided into liquid, gas, biological body, etc.; according to the nature, it is divided into power ultrasonic, detection ultrasonic, ultrasonic imaging, etc. .

Ultrasonic transducer, including (1) housing, (2) matching layer or acoustic window, (3) piezoelectric ceramic disc transducer, (4) backing, (5) lead-out cable, characterized in that it also includes Cymbal array receiver, which is composed of (6) lead-out cable, (7) 8-16 Cymbal transducers, (8) metal ring, and (9) rubber gasket.