基于TMS320F2812泄漏电流测试系统的设计

Design of leakage current test system based on TMS320F2812

泄漏电流是电气安全性能测试最关键的参数,为了设计满足多标准、多种类型泄漏电流测试系统的要求,主要介绍了以TMS320F2812为核心的泄漏电流测试系统,讲述了泄漏电流的测试原理和测试方法,详细讲述了采取单一人体阻抗网络的泄漏电流信号调理电路,采用TMS320F2812进行数据采集以及与计算机进行数据通信,从软硬件方面完成整个测试系统的设计与实现。通过该测试系统的技术研究,可以节省产品成本,提高测试精度,对于我国的泄漏电流测试技术水平有着重要的意义。

Leakage current is the most important parameter index in comprehensive test of electrical safety performance.To meet the need of designing multi-standard and multi-type leakage current test system,a leakage current test system based on TMS320F2812 is introduced.The principle and methods of leakage current test system are discussed,and the TMS320F2812 collects data and communicates with computer based on signal adjusting circuit of leakage current with single human body impedance networks are elaborated.The design and implementation of the whole test system is completed based on both hardware and software.Some experimental evidence and analysis of results are performed.Through researching the test system technology,it can greatly reduce the cost of the products and improve the test accuracy.It has significance for the level of leakage current test technology in our country.