Ventilation structure

The utility model relates to the technical field of generator cars, and discloses a ventilation structure which comprises a generator car, a ventilation opening is formed in the generator car, a detachable filter screen is installed on the generator car, the filter screen is arranged right opposite to the ventilation opening, two fixing plates are fixedly connected to the generator car, four side plates are further fixedly connected to the generator car, and the side plates are arranged on the generator car. The power generation car is provided with an ash removal assembly, a lifting assembly and a driving assembly which are matched with each other, and a rotating assembly. When the ventilation structure is used, the bristles can clean and dredge the filter screen, it is guaranteed that airflow can smoothly generate convection inside and outside the generator car, the heat dissipation performance of the generator car is guaranteed, dust does not need to be cleaned manually, and the practicability of the venti