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Micro electromechanical system based unidirectional stepping reverse self-locking electromagnetic driver

A micro-electromechanical system, electromagnetic driver technology, applied in control systems, electrical components, motor generator control and other directions, can solve the problem of difficult to meet important systems, unable to achieve one-way stepping reverse self-locking, small motor torque output, etc. problems, to achieve the effect of reducing costs, facilitating one-way stepping and reverse self-locking, and large output torque

Inactive Publication Date: 2007-01-24
SHANGHAI JIAOTONG UNIV
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  • Application Information

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Problems solved by technology

[0003] After literature search, it is found that the Chinese patent publication number is: CN 1135677A patent, which describes a millimeter-scale electromagnetic micro-motor belonging to the field of micro-electro-mechanical systems. This motor has a single-stator and single-rotor structure. This electromagnetic type The motor cannot realize the function of one-way stepping and reverse self-locking
Although it has the advantage of small size, it is difficult to meet the requirements of important systems that require step-by-step motion and irreversibility
Because the safety device of the important system requires the motor to drive a certain load, the torque output of this motor is too small

Method used

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  • Micro electromechanical system based unidirectional stepping reverse self-locking electromagnetic driver

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Embodiment Construction

[0025] like figure 1 As shown, the present invention includes: a first stator 1, a second stator 3, a hard-magnetic-soft-magnetic hybrid rotor 2, a mechanical energy accumulator 5, a rotating shaft 6 and a casing 4, and its connection mode is: a hard-magnetic-soft magnetic hybrid rotor 2 Installed on the rotating shaft 6, the rotating shaft 6 is connected with the first stator 1 and the second stator 3 through bearings, a gasket is arranged on the rotating shaft 6, the rotating shaft 6 is connected with the second stator 3 through bearings, and the mechanical energy accumulator 5 is connected with the rotating shaft 6 connected, the first stator 1, the second stator 3 and the mechanical energy storage device 5 are arranged on the shell 4 of the electromagnetic driver, and the number of poles of the hard magnetic soft magnetic hybrid rotor 2 is the same as that of the first stator 1 and the second stator 3 same.

[0026] like figure 2 As shown, it is a schematic structural v...

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Abstract

A micro electro-mechanical system based unidirectional stepping reverse direction self-locking electromagnetic driver comprises a stator, a hard-magnetic and soft-magnetic mixing rotor, a mechanical power accumulator, a rotation shaft and an outer casing, wherein the hard-magnetic and soft-magnetic mixing rotor is mounted on the rotation shaft, the motor shaft is mounted on the stator bearing, the hard-magnetic and soft-magnetic mixing rotor has the same number of poles as the two stators.

Description

technical field [0001] The invention relates to an electromagnetic driver, in particular to a micro-electromechanical system-based one-way stepping reverse self-locking electromagnetic driver. The utility model belongs to the field of micro-electromechanical systems and safety insurance devices. Background technique [0002] At present, the common electromagnetic stepper drivers are bidirectional, and the safety insurance in special occasions such as finance and important medical equipment requires irreversible movement, and then requires that the electromagnetic stepper driver can only move in one direction and self-lock in the reverse direction. [0003] After literature search, it is found that the Chinese patent publication number is: CN 1135677A patent, which describes a millimeter-scale electromagnetic micro-motor belonging to the field of micro-electro-mechanical systems. This motor has a single-stator and single-rotor structure. This electromagnetic type The motor c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P8/36H02P8/00
Inventor 张卫平陈文元赵小林周狄张琛段永瑞
Owner SHANGHAI JIAOTONG UNIV
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