FNA41560智能功率模块在超声波发生器中的应用  

Application of IPM FNA41560 in ultrasonic generator

作　　者：计时鸣[1] 陈凯[1,2] 谭大鹏[1] 张利[1] JI Shi-ming;CHEN Kai;TAN Da-peng;ZHANG Li(College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China;Key Laboratory of Digital Design and Intelligent Manufacturing for Creative Cultural Products of Zhejiang Province, Lishui University, Lishui 323000, China)

机构地区：[1]浙江工业大学机械工程学院,浙江杭州310014 [2]丽水学院浙江省特色文创产品数字化设计与智能制造重点实验室,浙江丽水323000

出　　处：《机电工程》2017年第12期1369-1375,共7页Journal of Mechanical & Electrical Engineering

基　　金：国家自然科学基金资助项目(51575494;51375446);浙江省科技厅公益性项目(2014C31031)

摘　　要：针对磨粒流抛光中对超声发生器的功能有特殊要求的问题,专门设计制作了一种超声波发生系统,探讨了超声波发生器的3个主要组成部分即换能器、变幅杆和超声电源,研究了各部分的设计理论和具体参数的选择,指出了利用智能功率模块设计制作的超声发生器,有线路简单、体积小、功能全、成本低、性能好的优势,介绍了以FNA41560为主要功率元器件的超声发生器的设计,包括了主电路拓扑结构、保护、控制策略、阻抗匹配、频率跟踪、换能器、变幅杆等方面的内容,该样机在实际加工中获得了很好的效果。研究结果表明:在低频超声波发生器的领域,功率模块结合微处理器控制技术,有其他电子器件无法比拟的优势。Aiming at the special requirements to the ultrasonic function for soft abrasive flow machining,the specialized ultrasonic generation system was researched and designed.The ultrasonic generator was mainly composed of transducer,horn and ultrasonic generator power supply.The advantages such as simple circuit,small size,multi-function,low cost and good performance were introduced by design of an ultrasonic generator power with intelligent power module.An ultrasonic generator with FNA41560 as the key component was introduced.The main circuit topology,protection,control strategy,impedance matching and frequency tracking were introduced.The results indicate that the power module combined with microprocessor control technology has the advantage that other electronic devices can not match in the field of low frequency ultrasonic generator.

关 键 词：智能功率模块 超声发生器 D类放大器 IGBT 

分 类 号：TH16[机械工程—机械制造及自动化] TM315[电气工程—电机]