继电器在工业控制中用途越来越广泛,各继电器生产厂商不断寻求先进的检测方法和设备,基于此作者开发了将微机控制技术应用在电寿命试验的自动化水平高、可靠性高、功能强大的检测系统。文章主要介绍了该系统的硬件结构、A/D 采样监测方法中先进的采集方式,以及系统的应用软件。该系统在试验室运行良好,并最终应用到了许多继电器生产厂家,为继电器电寿命试验以及试验之后的数据分析提供了可靠的保证。 关键字:微机控制; 继电器; 电寿命; 采样方式; Visual C/C++6.0 Abstracts:The application of Electromagnetic-Relay in Control becomes wider and wider, all factories are incessantly searching the advanced methods of testing and devices. A system of Relay Electric Endurance Test which using the Computer-Controlling technology is developed , with the high level of Automation and Reliability, more functions . The text mainly introduces the hardware-structure、advanced mode of A/D sampling and applications of the system. The system has run well at lab and been applied to many factories, providing the reliable guarantee for Relay Electric Endurance Test and Analysis of the Data. Keywords:Computer controlling; Relay; electric endurance test; A/D sampling; VC/C++ 6.0