Power transmission line intelligent inspection system based on LiDAR
A transmission line and intelligent inspection technology, applied in the field of LiDAR-based intelligent inspection system for transmission lines, can solve the problems of lack of emergency response means, existence of inspection blind spots, low efficiency of traditional inspection, etc. The effect of saving inspection costs and eliminating hidden troubles
Inactive Publication Date: 2014-05-07
STATE GRID CORP OF CHINA +1
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Problems solved by technology
[0003] 1. There is a lack of intelligent inspection devices, and the efficiency of traditional inspections is low;
[0004] 2. The inspection information feedback is not timely, and the emergency response means are lacking;
[0005] 3. There are inspection blind spots;
[0006] 4. The automation of inspection information management is low
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[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0041] The inventor found through research that: the emergence of airborne laser radar measurement (Light Detection And Ranging, LiDAR) technology provides a new way for the efficient inspection of transmission lines. The airborne laser radar measurement system is a set of laser ranging technology, A system integrating high-precision Global Positioning System (GPS) technology and high-dynamic inertial navigation system (Inertial Navigation System, INS) technology. Combined with the built regional GPS continuous tracking station, the airborne lidar system can directly collect high-precision laser point clouds and h...
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The invention provides a power transmission line intelligent inspection system based on LiDAR and further provides a power transmission line intelligent inspection method based on LiDAR. The power transmission line intelligent inspection system comprises a three-dimensional quantifying information acquiring unit, a three-dimensional rebuilding unit and an intelligent inspection analysis unit. The three-dimensional quantifying information acquiring unit is suitable for acquiring power transmission equipment actual space three-dimensional quantifying information and power transmission line peripheral environment ground feature three-dimensional quantifying information, namely, point cloud data provided by LiDAR; the three-dimensional rebuilding unit is suitable for three-dimensional rebuilding of a power transmission line body and a corridor based on power transmission equipment actual space three-dimensional quantifying distribution information and power transmission line peripheral environment ground feature actual three-dimensional quantifying information; the intelligent inspection analysis unit is suitable for carrying out safety distance detection based on three-dimensional rebuilding results, carrying out safety distance analysis according to safety distance detection results and power transmission line safety standards and pointing out power transmission lines not catering to the safety standards or giving an alarm about the power transmission lines not catering to the safety standards. By means of the power transmission line intelligent inspection system and the power transmission line intelligent inspection method, requirements for line inspection data and function digitalization, standardization and visualization are achieved.
Description
technical field [0001] The invention relates to the field of high-voltage transmission line operation of a power system, in particular to a LiDAR-based intelligent inspection system for transmission lines. Background technique [0002] The current transportation inspection management mode of transmission lines and conventional manual operation methods are not only labor-intensive, difficult working conditions, but also low in labor efficiency, especially in the inspection of transmission lines in mountainous areas and across large rivers, as well as in ice disasters, Floods, earthquakes, landslides, power grid emergency failures and abnormal weather conditions during nights, line maintenance personnel have to rely on ground transportation or walking on foot, use ordinary instruments or the naked eye to inspect the line and deal with equipment defects, which takes a long time and manpower High cost and high risk. The existing line inspection work also has the following probl...
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IPC IPC(8): H02G1/02
Inventor 吕志来李海张学深喻宜王云鹏张东
Owner STATE GRID CORP OF CHINA
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