Road sewer power generation device

The utility model discloses a road sewer power generation device which comprises a support, a power generator, an impeller and a storage battery. The support is fixedly installed in a road sewer, thepower generator is installed on the support and can move up and down relative to the support, the output end of the power generator is connected with the storage battery, and the storage battery is fixed to the support. Wherein the impeller is connected with a rotating shaft of the power generator, the rotation of the impeller can drive the rotating shaft of the power generator to rotate, and theupper liquid level switch and the lower liquid level switch are symmetrically arranged on an engine shell and are connected with the gear motor through wires. By the adoption of the device, gravitational potential energy of water can be converted into electric energy, environment resources are fully utilized, and local electricity pressure of a city is relieved; the street lamp is buried underground, so that the attractive