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Single-stator spiral motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation

A helical motion and permanent magnet synchronization technology, which is applied to synchronous motors with stationary armatures and rotating magnets, electric components, magnetic circuits, etc., can solve the problems of bulky machines, poor positioning accuracy, and complex control, and achieve The effect of reducing the order of higher harmonics, reducing ohmic loss, and improving the winding coefficient

Inactive Publication Date: 2020-04-10
SHANDONG UNIV OF TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The mechanical helical motion electromagnetic mechanism has shortcomings such as radial and axial gaps affecting performance and poor positioning accuracy.
The combined use of multiple single-degree-of-freedom motors has disadvantages such as complex control and bulky machine

Method used

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  • Single-stator spiral motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation
  • Single-stator spiral motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation
  • Single-stator spiral motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation

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Experimental program
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Effect test

Embodiment 1

[0026] Such as figure 1 As shown, the single-stator helical multi-phase permanent magnet synchronous motor capable of fault-tolerant operation described in this embodiment includes a stator and a rotor, the rotor is located inside the annular stator, and the rotor includes a magnetically conductive rotating shaft 9 and its surfaces are alternately distributed The polarity of the permanent magnet is N and S. The stator includes a stator core 5 and a stator winding 6. The stator core 5 is provided with a helical tooth groove, and the direction of rotation of the helical tooth groove is consistent with the direction of the motor axis. The positive direction is a right-handed spiral relationship, and the spiral tooth slots are clockwise in the order of A, D, C, F, B, E six-phase windings, and the six-phase windings adopt a six-phase double Y-shifted 30° winding structure.

[0027] Such as Figure 3-10 As shown, the three-phase belts of windings A, B, and C have a difference of 12...

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Abstract

The invention relates to a permanent magnet synchronous motor, in particular to a single-stator spiral motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation. The motor comprises a stator and a rotor, the rotor is positioned on the inner side of the annular stator; the rotor comprises a magnetic conductive rotating shaft and permanent magnet sheets which are alternately distributed on the surface of the magnetic conductive rotating shaft and have polarities of N and S, the stator comprises a stator iron core and a stator winding, the stator iron core is provided with a spiral tooth groove, the spiral direction of the spiral tooth groove and the positive direction of the axis of the motor are in a right-handed spiral relation, six-phase windings A, D, C, F, B and E are sequentially arranged in the spiral tooth groove in the clockwise direction, and the six-phase windings adopt a six-phase double-Y-shift 30-degree winding structure. Materials are saved,the cost is low, the fault-tolerant capability is high, and the working stability of the motor is improved.

Description

technical field [0001] The invention relates to a permanent magnet synchronous motor, in particular to a single-stator helical motion multi-phase permanent magnet synchronous motor capable of fault-tolerant operation. Background technique [0002] In some special load environments, the actuator is required to provide driving force in the form of a reciprocating spiral. There are two types of traditional screw motion mechanisms: one type uses mechanical structures such as worm gears and ball screws to convert the rotational motion of the motor into screw motion; the other type uses a rotary motor in conjunction with a linear motor. The mechanical helical motion electromagnetic mechanism has the disadvantages of radial and axial gaps affecting performance and poor positioning accuracy. The combined use of multiple single-degree-of-freedom motors has disadvantages such as complex control and bulky machine. Contents of the invention [0003] The technical problem to be solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/16H02K3/12H02K1/27H02K5/167H02K21/14
CPCH02K1/165H02K1/278H02K3/12H02K5/1672H02K21/14
Inventor 赵博刘剑杨鹏刘晓亮张存山周元军鲁炳林
Owner SHANDONG UNIV OF TECH
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