地铁站台屏蔽门继电器微电流检测装置设计

Micro Current Detection for Platform Door Relay Based on LabVIEW

采用Nextkit NANO A数据采集卡,结合漏电流互感器和计算机技术,借助LabVIEW软件的开发环境,设计和组建了一套用于测量地铁站台屏蔽门专用继电器的检测装置。该装置具有测量实时电压值和微电流值,查看实时采集数据、输出波形图,设置数据采集频率、数据采集数量,设定数据采集通道等功能。

The Nextkit NANO A data acquisition card is used, then combined with the leakage current transformer and PC technology, a test system for measuring the special relay for metro platform door is designed based on Lab- VIEW development environment. This system has many functions, such as measuring the value of real- time volt- age and micro current value, checking the real- time data acquisition, outputting the waveform drawing, setting up the sampling frequency and the acquisition number, setting the data channel for the acquisition and so on.