交流电源电压隔离采样方式的实现

Realization of voltage isolation sampling mode of AC power supply

针对通信电源健康管理的需求,文章介绍了常用的单相交流电压采样方式。为满足实际工程应用需求,文章选用国产化器件实现硬件电路设计。通过参数计算,文章设计了以芯片NSI1311-DSWVR为核心器件的隔离交流采样电路。此电路通过简单、可靠的电路采集电压信息,并通过隔离方式将采集信息发送给上位机。最终,采用模块化设计,通过实验验证了所设计模块的有效性。

Aiming at the requirement of communication power supply health management,the common single-phase AC voltage sampling method is introduced.In order to meet the requirements of practical engineering applications,the hardware circuit is designed by using home-made devices.By parameter calculation,an isolated AC sampling circuit based on NSI1311-DSWVR chip is designed.This circuit collects voltage information through simple and reliable circuit,and sends the collected information to the upper computer through isolation mode.Finally,the modular design is adopted to verify the effctiveness of the designed module through experiments.