Conductive fiber, conductive fiber bundle, protective ring, motor and electric equipment

The utility model relates to a conductive fiber, a conductive fiber bundle, a protection ring, a motor and electric equipment, the conductive fiber is used for leading out shaft current on a motor shaft, the conductive fiber comprises a wire core, a conductive layer and a bonding layer, the conductive layer wraps the periphery of the wire core, the conductive layer is made of a metal material, the wire core is used for supporting the conductive layer, the bonding layer wraps the periphery of the conductive layer, and the bonding layer is made of a metal material. The bonding layer is used for bonding a plurality of conductive fibers; wherein the conductive layer comprises a first conductive sub-layer and a second conductive sub-layer, the second conductive sub-layer wraps the periphery of the first conductive sub-layer, the first conductive sub-layer is made of copper, gold or silver, and the second conductive sub-layer is made of nickel. The conductive fibers can improve the working performance and the servi