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传感设备受到高压区电磁场的干扰后,使得传统机构式信号传感开关状态监测方法产生磨损问题,监测精度降低。为此,提出一种基于激光感应的信号传感开关状态监测模块,其包括开关状态激光感应模块、通信模块以及后端服务器。通过零接触的激光感应模块,依靠激光射线测量远距离检测传感开关动触头位置,避免高压一侧的强电磁场的干扰。将获取的信号传感开关状态反馈到后端服务器中,完成信号传感开关状态的远程自主辨识。软件设计中,给出信号传感开关状态监测模块的主程序流程图和串口通信流程图,设计了关键的程序代码。实验结果说明,所设计开关状态监测模块具有较高的监测效率、监测精度以及抗噪性能。
After the sensing device is disturbed by the electromagnetic field in the high-pressure area, the wear of the traditional mechanical signal switch state monitoring method is caused, and the monitoring accuracy is reduced. To this end, a signal sensing switch state monitoring module based on laser sensing is proposed, which comprises a switch state laser sensing module, a communication module and a backend server. By zero-contact laser sensor module, relying on laser radiation measurement remote sensing sensor switch moving contact position, to avoid high-pressure side of the strong electromagnetic interference. The obtained signal-sensing switch state is fed back to the back-end server to complete the remote autonomous identification of the signal-sensing switch state. In the software design, the main program flow chart and the serial communication flow chart of the signal monitoring switch state monitoring module are given, and the key program code is designed. The experimental results show that the designed switch state monitoring module has high monitoring efficiency, monitoring accuracy and anti-noise performance.