Motor stator and motor

Abstract

The present invention provides a motor stator and a motor, the motor stator comprising: a stator core having Y core slots formed on a radially inner surface of the stator core and spaced apart by a predetermined slot pitch in a circumferential direction of the stator core; and a stator winding which comprises a plurality of phase windings mounted on the stator core, each groove is divided into M layers by the number of the phase windings in the grooves which can be accommodated in the radial direction of the stator core, and M is an even number greater than or equal to 4. The number of slots per pole and per phase of the stator winding is 2 or 3, each phase winding is provided with a plurality of conductor groups, the plurality of conductor groups comprise X first conductor groups, a plurality of second conductor groups, a plurality of third conductor groups and X fourth conductor groups, and X is an integer greater than or equal to 2 and less than Y / 4; and bus bars and bus bars are omitted, heat dissipation is uniform, power and torque are improved, the wiring mode is simplified, the complexity of the manufacturing process is reduced, the production cost is reduced, and the machining efficiency is improved.

Description

technical field [0001] The invention relates to the field of motors, in particular to a motor stator and a motor. Background technique [0002] The stator winding includes a plurality of U-shaped conductors, and the plurality of U-shaped conductors are inserted into the slot of the stator core according to a certain arrangement to form the three-phase winding of the required motor. In the prior art, it is necessary to use A large number of bus bars and bus bars connect the phase windings, and the arrangement of the stator windings is complex, difficult to form, high in production cost, and low in processing efficiency. Contents of the invention [0003] The main purpose of the present invention is to provide a motor stator and motor, eliminating bus bars and bus bars, uniform heat dissipation, increased power and torque, simplified wiring methods, further reducing the complexity of the manufacturing process, reducing production costs, and improving processing efficiency. ...

AI Technical Summary

Problems solved by technology

[0002] The stator winding includes a plurality of U-shaped conductors, and the plurality of U-shaped conductors are inserted into the slot of the stator core according to a certain arrangement to form the three-phase winding of the required motor. In the prior art, it is necessary to use A large number of bus bars and bus bars connect the phase windings, the arrangement of the stator windings is complex, difficult to form, high production cost, and low processing efficiency

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