The power control, frequency tracking, transducer matching, load matching and other problems existing in the full bridge switch Ultrasonic welding power generator are studied, and the relevant parameters of the components used in the power supply are given By analyzing the structure of the ultrasonic power supply and considering its maximum output power, a design scheme for the ultrasonic power supply is determined, which uses a diode uncontrolled rectifier bridge to obtain direct current, a Buck converter to achieve power regulation, and a half bridge inverter to obtain ultrasonic frequency alternating current

15kHz 2600W Ultrasonic Plastic Welding Transducer Generator for Automatic Mask Machine with Booster N95 Mask