On-line monitoring system of high-altitude and high-voltage power transmission line

The invention relates to the power transmission and transformation technology field, more particularly to an on-line monitoring system of a high-altitude and high-voltage power transmission line. The on-line monitoring system comprises: (1), an OPGW optical cable that is especially used by electric power and a broadband wireless MESH network based on an 802.11WLAN standard are employed for combination to construct a broadband transmission link; (2), an optical cable communication link based on a power transmission line OPGW is constructed; and (3), a wireless communication link is constructed. According to the on-line monitoring system of a high-altitude and high-voltage power transmission line in the invention, problems that a traditional line inspection mode wastes time and energy as well as plateau meteorology causes certain inconvenience for daily line maintenance and processing on emergent situations can be solved; therefore, a high definition on-site video of a random tower on a high-voltage power transmission line and data like local weather information can be returned to a headquarter in real-time, so that problems of a severe environment and difficult line patrol and the like can be effectively solved; moreover, the system has an active significance for further improving a safe operation level of a power grid.