Wheel speed detection assembly and electric vehicle

The utility model discloses a wheel speed detection assembly and an electric vehicle, and the assembly comprises a detected gear which comprises a plurality of convex teeth which protrude from the inner side wall in the axial direction, and the plurality of convex teeth are annularly and uniformly distributed on the inner side wall; and the wheel speed sensor comprises a sensing end, and the sensing end is located in an annular detection area formed by the convex teeth or the axial inner side or the radial outer side of any convex tooth. Through the convex teeth axially arranged on the inner side wall of the tested gear, the installation modes of the wheel speed sensor are diversified, the wheel speed sensor can be axially installed relative to the convex teeth and can also be radially installed relative to the convex teeth according to the actual space requirement or assembly requirement of a vehicle, the optional installation space for axial installation is very large, and the wheelspeed sensor is convenien