Hydrogen-electricity double-drive range-extending type hybrid electric vehicle

The invention discloses a hydrogen-electricity double-drive range-extending type hybrid electric vehicle which comprises an all-in-one drive motor, a hydrogen fuel engine, a power battery pack, a flywheel energy storage device, a vehicle control unit, a power battery management system and a humidifier. The power battery pack and the hydrogen fuel engine are both connected with the all-in-one driving motor to provide electric power for the all-in-one driving motor, the humidifier provides moisture for the interior of the hydrogen fuel engine, the flywheel energy storage device is connected with the all-in-one driving motor, and energy is stored through the flywheel energy storage device; the hydrogen fuel engine provides extra power support for the all-in-one driving motor, the power battery management system manages the interior of the power battery pack, and the whole vehicle controller controls switching between the hydrogen fuel engine and the power battery pack and controls power supply, energy storage an