Acquisition terminals and method for maintaining smart power grid routing topological structure

The invention provides a method for maintaining a smart power grid routing topological structure. The method includes the steps that an acquisition terminal initializes a routing information sheet of itself, the acquisition terminal broadcasts the routing information sheet in a network according to preset time, the acquisition terminal receives routing information sheets broadcast by other acquisition terminals, and the acquisition terminal updates the received routing information sheets broadcast by the other acquisition terminals into the routing information sheet of itself. The invention further provides acquisition terminals used for achieving the method. According to the technical scheme, maintenance work of a concentrator can be effectively reduced, and the updating speed at the time when the smart power grid routing topological structure changes is high.