数字化大功率微弧氧化电源关键技术研究  

Research on High-power Digital Micro-arc Oxidation and Key Technologies

作　　者：邓孝祥[1] 桑成林[1] 王洪远[1] 曹提山 

机构地区：[1]黑龙江科技大学,哈尔滨150022

出　　处：《煤炭技术》2014年第4期211-214,共4页Coal Technology

基　　金：黑龙江省教育厅技术研究项目(12531583)

摘　　要：根据微弧氧化的功能需要,在传统氧化电源的基础上设计了基于DSP的全数字化大功率微弧氧化电源。首先从工作原理和构成上进行介绍,然后对硬件和软件进行相应设计,重点介绍了IGBT驱动电路和带死区控制的PWM程序设计。实验应用证明,该电源能够输出具有变频和变幅的正、负脉冲波形,且输出稳定可靠,满足微弧氧化的工艺和功能要求。According feature requires micro-arc oxidation,on the basis of traditional power supply,the all-digital high-power micro-arc oxidation power based on DSP was designed.First introduced from the working principle and structure to it,and then design their hardware and software,focusing on the IGBT drive circuit and PWM control with dead zone program design.Field application proved that the power supply can output with variable frequency,amplitude waveform,and the output is stable and reliable,meet the technical and functional requirements of micro-arc oxidation.

关 键 词：微弧氧化 脉宽调制 DSP IGBT 

分 类 号：TN86[电子电信—信息与通信工程] TG434.1[金属学及工艺—焊接]