Salient magnetic pole of salient pole synchronous motor and motor

Abstract

The invention discloses a salient magnetic pole of a salient pole synchronous motor. The salient magnetic pole comprises a steel pole body shaped as a rectangular solid and a pair of pole shoes comprising several silicon steel sheets with the same specification; and the pole body is fixedly connected with the pole shoes. The pole shoes in the salient magnetic pole provided by the invention are oblique, while the pole body is not oblique, so the magnetic pole coil is not wound into the coil having an oblique inner cavity; further, the machining process is guaranteed and the operation of casing pole is simplified; at the same time, the salient magnetic pole provided by the invention only needs a pair of stamping and pressing silicon steel sheets, so the numbers of the required stamping dies and the special devices are reduced and the cost is also lowered; the stamped silicon steel sheets have the same specification, so the error possibility can be reduced. In inclusion, the salient magnetic pole provided by the invention simplifies the assembling process, reduces the error possibility in the assembling process and reduces the cost; the salient pole synchronous motor is suitable for large-batch production. The invention also provides a motor suitable for large-batch production.

Description

technical field [0001] The present invention relates to the technical field of motors, more specifically, to a salient pole magnetic pole of a salient-pole synchronous motor, and to a motor. Background technique [0002] Due to the uneven air gap of the salient pole synchronous motor, the tooth harmonics of the motor are larger than those of the recessed pole motor, and the cogging torque and torque ripple also increase accordingly, resulting in a corresponding increase in the loss caused by the harmonics, so the salient pole synchronous motor The rotor of the synchronous motor is set by the oblique pole method. The rotor skew method is divided into segmented skew and continuous skew, of which continuous skew is suitable for salient pole synchronous motors. [0003] The conventional continuous oblique method is to use silicon steel sheets of the same specification to be laminated at a certain angle, or to use silicon steel sheets of different specifications to be laminated ...

AI Technical Summary

Problems solved by technology

However, this lamination method needs to invest a lot of auxiliary dies or special equipment to complete the production of silicon steel sheets of different specifications, and the manufacturability is poor, errors are easy to occur during the operation, the cost is high, and it is not suitable for mass production.

[0006] From the above, in the existing salient pole synchronous motor, due to the influence of the structure of the salient pole itself, it is impossible to realize the mass production of the salient pole synchronous motor. Therefore, how to provide a salient pole that is suitable for The mass production of salient-pole synchronous motors has become a technical problem to be solved urgently by those skilled in the art

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