Power transmission line electricity testing device based on unmanned aerial vehicle and control method

The invention relates to the technical field of electricity testing devices, and provides a power transmission line electricity testing device based on an unmanned aerial vehicle and a control method, and the device comprises a fixed support, an electroscope main body, and an unmanned aerial vehicle fixing device. The electroscope main body is arranged in the fixed support, and the fixed support is arranged on the unmanned aerial vehicle through the unmanned aerial vehicle fixing device; the fixing support comprises two supporting feet and an elastic connecting part, the elastic connecting part stretches across the electroscope body and is connected with the two supporting feet, the elastic connecting part is electrically connected with the electroscope body, and the elastic connecting part serves as a part making direct contact with a power transmission line, is arranged to be a conductor and is electrically connected with the electroscope end of the electroscope. According to the invention, the unmanned aer