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Dual-rotor hybrid stepping motor

A stepping motor and hybrid technology, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve the problems of narrow application range and inapplicability of inner rotor or outer rotor motors, so as to save manufacturing costs, realize low cost, Wide range of effects

Pending Publication Date: 2022-01-11
SHANGHAI MOONS ELECTRICAL APPLIANCE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the scope of application of the above-mentioned inner rotor or outer rotor motor is relatively narrow, especially in the application of axial multi-layer movement, so how to combine the inner rotor and outer rotor to reduce the axial size of the motor and make it It is suitable for the application of axial multi-layer movement, which has become a technical problem that needs to be solved

Method used

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  • Dual-rotor hybrid stepping motor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Such as image 3 As shown, a double-rotor hybrid stepping motor includes an inner rotor core 9, an outer rotor core 10 and a third stator core 11, and the outer side of the third stator core 11 is provided with an outer rotor iron core. The main pole of the outer stator corresponding to the core 10, the inner side of the third stator core 11 is provided with the main pole of the inner stator corresponding to the inner rotor core 9; the main pole of the outer stator and the outer rotor core 10 form an outer A rotor hybrid stepping motor; the inner stator main pole and the inner rotor iron core 9 form an inner rotor hybrid stepping motor.

[0040] On the basis of the existing internal and external rotor hybrid stepping motor, the present invention combines the first stepping motor stator core 1 and the second stepping motor stator core 5 of the internal and external rotor hybrid stepping motor into one entity, namely image 3 In the third stator core 11, for simplicity, ...

Embodiment 2

[0044] Such as Figure 4 As shown, the motor is a two-phase internal and external three-phase dual-rotor hybrid stepping motor.

[0045] There are twelve main poles of the outer stator, which are A1-A4 of phase A, B1-B4 of phase B, and C1-C4 of phase C; eight main poles of the inner stator are provided, which are phase a a1~a4 of phase b and b1~b4 of phase b; the twelve outer stator main poles A1~A4, B1~B4 and C1~C4 and the outer rotor iron core 10 form an outer rotor hybrid stepping motor;

[0046] The eight inner stator main poles a1-a4 and b1-b4 and the inner rotor iron core 9 form an inner rotor hybrid stepping motor.

Embodiment 3

[0048] Such as Figure 5 As shown, the motor is an inner three-phase and outer two-phase dual-rotor hybrid stepper motor.

[0049] There are eight main poles of the outer stator, which are A1-A4 of phase A and B1-B4 of phase B; the main poles of the inner stator are twelve, which are a1-a4 of phase a and phase b respectively. b1-b4 of phase c and c1-c4 of phase c; the eight outer stator main poles A1-A4 and B1-B4 and the outer rotor core 10 form an outer rotor hybrid stepping motor; the twelve inner stator poles The sub-main poles a1-a4, b1-b4 and c1-c4 and the inner rotor iron core 9 form an inner rotor hybrid stepping motor.

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Abstract

The invention relates to a double-rotor hybrid stepping motor, which comprises an inner rotor iron core (9), an outer rotor iron core (10) and a third stator iron core (11), an outer stator main pole corresponding to the outer rotor iron core (10) is arranged on the outer side of the third stator iron core (11), and an inner stator main pole corresponding to the inner rotor iron core (9) is arranged on the inner side of the third stator iron core (11); the outer stator main pole and the outer rotor iron core (10) form an outer rotor hybrid stepping motor; and the inner stator main pole and the inner rotor iron core (9) form an inner rotor hybrid stepping motor. Compared with the prior art, the method has the advantages of low implementation cost, wide application range and the like.

Description

technical field [0001] The invention relates to a stepping motor, in particular to a double-rotor hybrid stepping motor. Background technique [0002] Such as figure 1 As shown, the existing inner-rotor hybrid stepping motor structure includes the first stepping motor stator core 1, the first stator winding (not shown) in the stator core slot, and the axially staggered stacked at a certain angle. The first stepper motor rotor core 2 and the second stepper motor rotor core 3, and the first magnetic steel 4 (dashed line circle part) in the middle of the rotor core; [0003] Such as figure 2 As shown, the existing outer rotor hybrid stepping motor structure includes the second stepping motor stator core 5, the second stator winding (not shown) in the stator core slot, and the axially staggered and laminated at a certain angle. The third stepper motor rotor core 6, the fourth stepper motor rotor core 7, and the second magnetic steel 8 (dashed line circle part) in the middle ...

Claims

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Application Information

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IPC IPC(8): H02K16/02H02K1/14
CPCH02K16/02H02K1/146H02K2213/03
Inventor 彭光明金万兵林聪明
Owner SHANGHAI MOONS ELECTRICAL APPLIANCE