一种基于惯性陀螺的管道探测系统

A Pipeline Detection System Based on an Inertial Gyro

为实现电力非开挖管道的高精度定位,设计了一种基于惯性陀螺的管道探测系统。该系统集成了高性能FOG陀螺仪、精密加速度计等模块,利用陀螺技术的自主定位原理,无需依赖外部信号源,可避免环境干扰。文章详细介绍了系统的构成、设计方案及定位精度影响因素分析。通过实例验证,该系统实现了0.2m的平面定位精度和0.1m的高程精度,优于传统非开挖导向定位效果。适用于管道运维定位确认及施工后精确定位需求,可有效保障管道安全,具有重要应用前景。

In order to realize the high precision positioning of trenchless power pipeline,a pipeline detection system based on inertial gyro is used.The system integrates high-performance FOG gyroscope,precision accelerometer and other modules,using the autonomous positioning principle of gyro technology,without relying on external signal sources,and can avoid environmental interference.The composition of the system,the design scheme and the analysis of the positioning accuracy are introduced in detail.Key technologies include high-speed data acquisition,digital signal processing,trajectory fitting,etc.Through example verification,the system achieves the plane positioning accuracy of 0.2 meters and the elevation accuracy of 0.1 m,which is better than the traditional trenchless guidance positioning effect.This technology is suitable for the positioning confirmation of pipeline operation and maintenance and the accurate positioning requirements after construction,which can effectively guarantee the pipeline safety and has an important application prospect.