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Active suspension permanent magnet ring rotor acynchronous induction micro machinery gyroscope gyroscope

A micromechanical gyroscope and annular rotor technology, applied in asynchronous induction motors, rotating gyroscopes, electromechanical devices, etc., can solve the problems of poor lateral stability, no lateral stability structure, and increased difficulty in making gyroscopes.

Inactive Publication Date: 2006-11-08
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0003] After searching the literature of the prior art, it is found that the Chinese patent application number is CN03141542.3, and the patent name is "Magnetic Levitation Rotor Micro-gyroscope". This patent proposes a micro-gyroscope that uses eddy current suspension. , increasing the difficulty of gyro production, because the gyro rotor is a thin flat structure, there is no lateral stability structure, and the lateral stability is poor

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  • Active suspension permanent magnet ring rotor acynchronous induction micro machinery gyroscope gyroscope
  • Active suspension permanent magnet ring rotor acynchronous induction micro machinery gyroscope gyroscope
  • Active suspension permanent magnet ring rotor acynchronous induction micro machinery gyroscope gyroscope

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[0021] like figure 1As shown, the present invention is composed of an upper stator 1, an annular rotor 2, and a lower stator 3, and the connection mode is as follows: the lower stator is provided with the upper right first public lateral capacitor plate 6, the upper right first detection lateral capacitor plate 7, and the upper right second Detection lateral capacitor plate 8, upper right second common lateral capacitor plate 9, upper left second common lateral capacitor plate 11, upper left second detection lateral capacitor plate 12, upper left first detection lateral capacitor plate 13, upper left first Common lateral capacitor plate 14, the second common lateral capacitor plate 16 of the lower left, the second detection lateral capacitor plate 17 of the lower left, the first detection lateral capacitor plate 18 of the lower left, the first public lateral capacitor plate 19 of the lower left, the first lower right capacitor plate A common lateral capacitance plate 21, a low...

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Abstract

This invention relates to an asynchronous sensing micro-mechanical gyroscope for the active suspended permanent magnetic ring rotor including: an upper stator, a ring rotor and a lower stator, in which, lateral capacitor boards are set on the lower stator connected with the upper stator by the boards to form a circular cavity, the ring rotor is set in the cavity and has large moment of inertia under the same rotating speed and is stabilized by DC, so it is controlled simply, the asynchronous sensing motor can realize rotating at high speed of the ring rotors and design of the capacitor is convenient for picking up peg-top signals.

Description

technical field [0001] The invention relates to a gyroscope in the field of micro-mechanical technology, in particular to an asynchronous induction micro-mechanical gyroscope with an active suspension permanent magnet annular rotor. technical background [0002] The combination of MEMS (micro-electromechanical systems) and gyroscope technology has produced many micro-gyroscopes with new structures, mainly vibrating micro-gyroscopes and suspended rotor-type micro-gyroscopes. It is difficult to improve its precision. Because the suspension mass of the suspended rotor micro-gyroscope is separated from the substrate, the precision can be made very high, reaching the inertial level. [0003] After searching the literature of the prior art, it is found that the Chinese patent application number is CN03141542.3, and the patent name is "Magnetic Levitation Rotor Micro-gyroscope". This patent proposes a micro-gyroscope that uses eddy current suspension. , increasing the difficulty o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C19/24H02K17/16H02N15/00
Inventor 张卫平陈文元刘武段永瑞
Owner SHANGHAI JIAO TONG UNIV