Power line inspection refers to the regular inspection and maintenance of electrical infrastructure (including substations, power lines, and generation equipment) to ensure the safe and stable operation of power systems. With the continuous expansion and increasing complexity of power facilities, traditional manual inspection methods face challenges in efficiency and safety. In this context, the application of drones in power line inspection-particularly for line monitoring-has emerged as a crucial technological solution.
Basic principles
Flight and Navigation
Using a multi rotor or vertical takeoff and landing fixed wing platform, it can automatically fly along a planned route and hover stably in outdoor, mountainous, and high-altitude environments.
Infrared temperature detection
By using an infrared thermal imaging device to detect the temperature of wires, joints, and insulators, abnormalities such as overheating, sparking, and partial discharge were discovered.
Visible light appearance inspection
Use a high-definition zoom camera to capture the appearance of the circuit and identify issues such as broken strands, damages, foreign objects, bird nests, and insulator cracks.
Data transmission and positioning
Real time feedback of images and fault information, accurate marking of fault locations, forming inspection records and maintenance basis.
Basic characteristics
- With circuit safety and troubleshooting as the core tasks, highly targeted
- Good wind resistance, capable of stable operation in the wild, high altitude, and complex terrain
- Capable of dual detection of visible light and infrared thermal imaging
- Non contact inspection, away from high voltage hazards, high safety
- High inspection efficiency and wide coverage, far superior to manual foot inspection
- Highly intelligent, capable of automatic cruise control, defect recognition, and return
Application scope
■ High voltage transmission line inspection
Wire breakage, insulator damage, loose fittings, floating foreign objects, and bird nest hazard investigation
■ Daily inspection of distribution lines
Inspection of low-voltage power lines, transformers, towers, and transmission channels in urban and rural areas
■ Temperature measurement and testing of circuit connectors
Wire clamp, knife switch, connector overheating, virtual connection, heating fault detection
■ Line channel safety inspection
Monitoring of safety distances such as excessive tree height, building intrusion, and construction hazards
■ Post disaster circuit repair survey
Quick troubleshooting of circuit damage after typhoon, rainstorm, ice and snow, and lightning strike
■ Internal circuit testing in industrial parks and factory areas
Hidden danger investigation of factory power distribution lines and outdoor electrical equipment
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