Electric car with range extender

The utility model belongs to the field of electric cars, and particularly relates to an electric car with a range extender. The electric car comprises a car floor assembly, a motor, a storage battery and a controller, and the motor, the controller and the storage battery are mounted on the car floor assembly. The controller controls the storage battery and the motor, and the storage battery provides power for the motor and the controller. The range extender is further arranged on a chassis, and comprises a range extender starting switch, a range extender flameout switch, a range extender rectifier, a range extender starter, a gasoline engine and a permanent magnet DC generator. After the range extender is mounted on the electric car, the driving range of the electric patrol car can be prolonged, and the problems that the driving range is short, charging is frequent and people can not be on duty or go on patrol in a remote mode are completely solved; battery capacity loss and heavy-load discharge are avoided, and the service life of the storage battery is prolonged by more than 25%. The energy-saving engine capable of being precisely controlled is arranged, the state of the electric patrol car is automatically identified, the rotating speed of the engine is automatically adjusted, an electric power system achieves hybrid using, the power of the electric patrol car is strong, and slope climbing can be achieved more easily.