本安隔离电源电磁扫描优化设计  

Optimization Design of Electromagnetic Scanning for Intrinsically Safe Isolated Power Supply

作　　者：路萍 LU Ping(China Coal Technology Engineering Group Chongqing Research Institute Co.,Ltd.,Chongqing 400039,China)

机构地区：[1]中煤科工集团重庆研究院有限公司,重庆400039

出　　处：《自动化与仪表》2022年第12期67-70,74,共5页Automation & Instrumentation

基　　金：天地科技股份有限公司科技创新创业资金专项重点项目(2022-TD-ZD001)。

摘　　要：该文利用电磁场及温度表面扫描自动测试系统对本安隔离电源进行测试,获取电源主板的电场、磁场近场辐射数据和温度数据,进行电路板卡工作性能、器件布局和电磁兼容性分析。通过器件参数更改、PCB板卡布局布线更改,实现本安隔离电源的优化设计,减小网络间辐射干扰,提高绝缘耐压性,增强散热性能,提高产品稳定性。In this paper,the electromagnetic field and temperature surface scanning automatic test system is used to test the intrinsically safe isolated power supply,and the near-field radiation data of electric field and magnetic field and temperature data of the power supply mainboard are obtained,and the working performance,device layout and electromagnetic compatibility of the circuit board are analyzed.By changing the device parameters and PCB layout,the optimized design of intrinsically safe isolated power supply is realized.The radiation interference between networks is reduced.The insulation withstand voltage is improved.The heat dissipation performance is enhanced and the product stability is improved.

关 键 词：本安电源 近场辐射 电磁兼容 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]