基于嵌入式linux的杆塔倾斜度在线监测仪设计

Online Monitoring System Based on Embedded Linux for Tilt of Power Transmission Line Tower

为保障电网的安全稳定运行,减少因杆塔倾斜引起的停电事故,需要对杆塔的状态进行实时监测;没计开发了一种杆塔倾斜度在线监测装置;建立了杆塔倾斜度监测模型,根据重力加速度测量值计算倾斜角的原理,采用SCA100T-D01双轴倾角传感器进行数据采集,采用基于arm9的嵌入式linux系统进行数据的存储和计算,并通过以太网或GPRS网络传送数据,实现了对杆塔倾斜各状态量的在线监测;详述了该装置各个模块的软件设计;该装置支持配置不同地区的重力加速度,提高了测量精度;支持自动配置初始安装角度,大大提高了输电线路生产管理水平;详述了自动配置的规范,经工程实践,该装置在输电线路杆塔倾斜度的监测上取得了良好应用。

It＇ s necessary to acquiring state information of inclination of tower in time in order to protect the security and stability of the power grid and reduce power outages caused by inclined tower. A device of online monitoring for tilt of power transmission line tower is de- signed. The model for monitoring the tilt of power transmission line tower is introduced. According to the principle of calculating the tilt an- gle based on the measurements of the acceleration of gravity, the device uses SCAT100T--D001 dual--axis tilt sensors to collect data, uses embedded linux based on ARM9 to storage and calculate data and sends data through Ethernet or GPRS to achieve the online monitoring for inclination state of the tower. The acceleration of gravity can be configured to improve the accuracy of measurement. The initial installation angle can be automatically configured which~ s helpful to improve the productivity of transmission line management. The specification of au- tomatic configuration is discussed and the architecture of the online monitoring system for tilt of power transmission line tower is presented shortly. Engineering practice verifies the device is effective in practice and has a good application for the operation of power transmission line.