Method for performing electric line patrolling based on onboard laser radar

Abstract

The invention provides a method for performing electric line patrolling based on an onboard laser radar. The method comprises the following steps: (1) acquiring real point cloud data through an onboard laser radar system of an unmanned aerial vehicle, providing data basis for monitoring personnel of a power transmission line, and processing the point cloud data; step (2) performing distance measurement and area measurement on any point of the line based on a three-dimensional measurement analysis module, thereby directly and precisely measuring the coordinate and elevation of each point of thepower transmission line, space distance between any two points, and any point elevation; step (3) dividing point cloud data into ground surface point cloud, power transmission body point cloud and ground object point cloud in corridor based on filter processing and point cloud classification on the laser point cloud by a filter and ground object classification module. The method provided by the invention has the advantage of quickly acquiring high-precision laser point cloud and high-resolution digital image, whether the route selection design of a newly established line, or the dangerous point line patrolling checking, line capital management and various specialty analysis potentials on the established line.

Description

technical field [0001] The invention relates to the field of power line inspection, in particular to a method for power line inspection based on an airborne laser radar. Background technique [0002] In recent years, with the rapid development of China's economic construction, the demand for electricity has grown rapidly, and the demand for power grid construction has become increasingly strong. At the same time, in the face of the established long power network, how to effectively manage it to ensure the normal operation of the power grid and ensure the safe transmission of power is even more important. The occurrence of a blackout accident not only brings losses to the economic benefits of the power grid operating enterprises, but also has a serious impact on the power users and the whole society; [0003] Due to the continuous expansion of the domestic power grid, long-distance transmission lines such as UHV lines are growing rapidly, and many transmission lines are dist...

AI Technical Summary

Problems solved by technology

At present, power line inspection work is mainly carried out by electric workers going over mountains and mountains, using manual observation or drone image viewing to inspect existing power lines, which has high work intensity, long work cycle, unintuitive data, low precision, and low degree of reuse. Disadvantages such as high height and difficulty in working in areas with complex terrain

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