通过远程数据图像采集器从CCD摄像机采集模拟视频信号，然后把图像数据进行编码和压缩成为数字视频数据；通过485数据采集扩展版，将高压传输线路的导线泄漏电流、绝缘子污秽、雷电电流、导线温度、环境温湿度、线路走廊山火（环境CO2含量）、现场风速雨量等现场数据实时采集并本地缓存-Through the remote image data acquisition　the CCD camera acquisition analog video signal, and then the image data is encoded and compressed into a digital video data　through 485 data acquisition expansion version, the wire of high voltage transmission line leakage current, insulator, lightning current, wire temperature, environmental temperature and humidity and line corridor fires (ambient CO2 content), wind speed and rainfall etc. field data real-time acquisition and local cache