▎ 摘　　要

NOVELTY - The utility model relates to the technical field of motor, especially relates to a high-efficiency elevator host, comprising a radiating protection cover device, a motor device and a cooling device, the radiating protection cover device is made of graphene material, tightly jointed with the motor shell, through good radiating performance of graphene to radiate the motor shell, so as to improve the efficiency of the motor, the radiating protection cover device also can effectively reduce the noise when the motor works; the motor device is added with a cooling device, the cooling device liquid for cooling the stator, so as to reduce the temperature of the stator, so as to improve the performance of the motor loss; The stator in the motor device is made of cast copper material, it can greatly improve the electrifying magnetism, it can reduce the motor magnetic consumption and greatly improve the efficiency. The utility model has good radiating effect, the rotor is electrified with strong magnetism, the magnetic consumption is reduced, the efficiency is improved, and the motor torque is improved.