一种超声刀电源的设计

The design of an ultrasonic knife power supply

本研究设计了一种可用于超生刀的基于UC3824开关电源芯片的高压、大电流串联型开关电源。其特点是高频、高效率、高稳定性及控制的便易性,用比较小的体积实现大功率可调式DC-DC变换输出。该电源属于改良型Buck变换器,其输出电压可由单片机精确控制,电源最大输出电压可达90 V。最终的实验结果符合设计要求,该电源输出电压稳定,并具有可靠的过流及过压保护。

This article presents a ultrasonic knife of high voltage,high current series switching power supply based on UC3824 switching power chip.This power supply is characterized by high frequency,high ef iciency,high stability and ease of control,with a relatively smal volume of high power adjustable output DC -DC conversion.This power supply is a kind of improved Buck converter,and the output voltage can be precisely control ed by single microcomputer,with maximum output voltage up to 90 volts.The final results meet the design requirements;this power supply has stable output voltage and a reliable overcurrent and overvoltage protection.