手持式辐射仪高压直流电源的设计  

Design of high voltage power supply used in handheld radiometer

作　　者：曾国强[1] 葛良全[1] 赖万昌[1] 

机构地区：[1]成都理工大学核技术与自动化工程学院,成都610059

出　　处：《电测与仪表》2008年第6期46-49,共4页Electrical Measurement & Instrumentation

基　　金：国家自然科学基金资助项目(40374051)

摘　　要：本文研制了适合于手持式辐射仪的小体积低功耗高压直流电源。该高压电源采用了TL431电压基准源进行高压的线性串联调整,实现了高压的稳定。采用多个变压器串联倍压的方式提高了电路的带负载能力,并使用共模电感结合LC、RC滤波有效降低了输出电压的纹波。分析了3种变压器驱动电路与高压电源设计的关键技术,实现了高效、简易、体积小巧的高压直流电源。The compact,low power high voltage power supply suitable for handled radiometer was designed.This high voltage power used the voltage reference TL431 to make serial voltage regulator and stabilize the high voltage.Used several serial transformers to double voltage and enhance the loading ability,and used the common inductance combined with the LC or RC filter to decrease the ripple of the output voltage validly.Three kinds of drivers and key techniques are to be analyzed and achieved the high efficiency,sim...

关 键 词：线性稳压 TL431 高压直流电源 桥式驱动 倍压整流 

分 类 号：TM41[电气工程—电器]