In the winter season, the power gird transmission lines usually have snow and frozen ice, so it will bring the danger and risk for the normal working of the lines, under this scenario and demanding, the drones and robots carry out de-icing operations for transmission lines in North China.

Compared with the other ways, the above operation is easy and cost effective, the most important is the workflow and technology is matured, so could be promoted to the other countries where the winter is too much cold and easy to be frozen.