1200W Pulse Multifrequency Ultrasonic Power Generator For Ultrasonic Cleaning System

1200W Pulse Multifrequency Ultrasonic Power Generator For Ultrasonic Cleaning System

The ultrasonic power supply mainly consists of two parts: the main circuit and the control circuit, and its structural diagram is shown in Figure 1. The main circuit adopts an AC-DC-AC structure, where single-phase AC power is rectified and filtered to form DC power. The DC voltage is converted into an AC voltage with a frequency consistent with the resonant frequency of the transducer through a full bridge inverter. The inverter outputs AC current, which is then sent to the load transducer through a matching network. The control circuit mainly provides switch pulse signals for the inverter main circuit, drives the inverter main circuit to work, and achieves closed-loop control of the inverter with the help of feedback loops and given circuits.

The designed ultrasonic cleaning power supply uses a combination of analog circuits and microcontroller control to generate PWM signals, overcoming the inherent defects of analog circuits and achieving flexible and diverse control functions. At the same time, it solves the problem of the microcontroller working frequency not being high enough, and improves the frequency resolution of PWM output. The system has overcurrent, overheating, and overvoltage protection functions, high reliability, and can track the changes in the resonant frequency of the transducer in real-time, with stable output power. At present, the ultrasonic cleaning power supply has been successfully operated and achieved good results in use.

1200W Pulse Multifrequency Ultrasonic Power Generator For Ultrasonic Cleaning System

标签：1200W Pulse Multifrequency Ultrasonic Power Generator, Multifrequency Ultrasonic Power Generator, Multifrequency Ultrasonic Power Generator For Ultrasonic Cleaning System, ultrasonic cleaning power supply