Power lines and equipment are important components of the power grid. They are mostly in long-term operation and exposed to nature, not only by normal mechanical loads and electrical loads, but also by external factors such as debris, lightning strikes, strong winds, etc. influences. Therefore, in order to avoid line faults, ensure the safety and stability of the power system, and actively carry out inspection work, the main purpose is to timely discover and eliminate the factors that cause the components to age, fatigue, oxidize and corrode on the lines and equipment.
In recent years, drones have been widely used in various fields. Shanghai Bo Lei Intelligent Technology Co., Ltd. (hereinafter referred to as Bo Lei) launched a fixed-wing power inspection program.
Compared with the traditional power inspection drone, it has the following advantages:
1) The traditional power inspection process is the on-site inspection route of the staff. When encountering natural disasters such as ice, snow, flood, earthquake, landslide, etc., the inspection work cannot be carried out. The application of drone inspection can not only quickly detect the defects of the transmission line and the hidden dangers of the channel, but also obtain the on-site information in a timely, accurate and efficient manner under various complicated terrains, severe weather and severe weather. In addition, the drone line has improved the speed and efficiency of power maintenance and overhaul, enabling many jobs to be completed quickly with full power, which is several times more efficient than manual inspection;
2) The fixed-wing UAV can fly and inspect under the topography of lakes, lakes and mountains. It can use the air superiority to check the operation of the electric line in all directions and high precision, so it can make up for the shortage of manual inspection.
3) In addition, the fixed-wing UAV has the characteristics of short preparation time, fast flight speed and long flight mileage. It is mainly used for large-scale fast inspection of transmission lines, line corridor inspection, post-disaster power grid assessment, and route design survey site selection. Wait.
This time, the company successfully completed the inspection of a power line in northern Zhejiang by using fixed-wing drones. During the period, many difficulties were overcome, such as the large scale of power line detection, involving the target line boundary planning, the route path is efficient and flawless, and the terrain is undulating.
The specific operation process is as follows:
Route planning: Through the ground station planning software of Bao Lei, Captain will download, locate and route the area maps that need to be inspected, and set the corresponding overlap parameters according to the focal length, flight height and project requirements of the sensor lens.
Ground station
Field data collection: After completing the route planning, the aircraft and ground stations will be effectively communicated and avoid possible interference signals. After take-off, it will fly according to the preset route, and always pay attention to the flight state of the aircraft feedback from the ground monitor to ensure the accuracy of the inspection.
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