GEAR MODULE, ANGLE SENSOR AND VEHICLE

The utility model provides a gear module (20), an angle sensor and a vehicle, the vehicle comprising a main rotary shaft of a steering wheel and the angle sensor, wherein the angle sensor is used to measure an angle by which the main rotary shaft of the steering wheel rotates, the angle sensor comprises a main gear and at least two gear modules, wherein the gear module comprises a housing (21), a gear (22) and a circuit board (23), the housing (21) is provided with a receiving chamber and a gear opening (210), the circuit board (23) is secured in the receiving chamber of the housing, and the gear is rotatably installed in the receiving chamber of the housing and is at least partially exposed out of the gear opening. The gear module is designed in a modular manner such that it can be used to measure any type of rotatable object's rotational angle and can constitute an angle sensor for any rotatable object, which is simple in configuration, can be manufactured, assembled and installed conveniently, and is versatile, widely applicable and strongly extensible.