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Tuning-type micro electro-mechanical gyroscope

A micro-electromechanical gyroscope and gyro rotor technology is applied in the direction of rotating gyroscope and gyro effect for speed measurement, measuring device, etc. and other problems, to achieve the effect of heavy weight, simple structure, and stable rotation speed.

Inactive Publication Date: 2008-06-04
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of gyro flexible joint has a complex structure, the momentum moment of the gyro rotor is large, and the moving iron torque device is large in size and heavy in weight.
There are defects such as long start-up stability time, poor impact resistance, complex structure, and high cost

Method used

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  • Tuning-type micro electro-mechanical gyroscope
  • Tuning-type micro electro-mechanical gyroscope
  • Tuning-type micro electro-mechanical gyroscope

Examples

Experimental program
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Embodiment Construction

[0023] A tuned micro-electromechanical gyro involving measurement technology, including a motor 31, a gyro rotor / balancing ring 35 is provided on a motor drive shaft 39, and capacitor upper and lower plates are respectively provided above and below the gyro rotor / balancing ring 35 33, 36 and fixed by the fixed ring 34, on the fixed ring 34 is provided with a wire ring 32 for guiding the output signal of the upper and lower plates of the capacitor, and the gyro rotor / balance ring 35 is composed of the inner ring 41, the middle ring 43 and the outer The inner ring 41 is fixedly connected with the drive shaft of the driving motor, the middle ring 43 is a balance ring, and the outer ring 45 is a rotor body. The inner ring and the balance ring are connected by a pair of inner torsion bars 42A, 42B. The balance ring and the rotor The body is connected by a pair of external torsion rods 44A, 44B, and a baffle plate 37 for preventing the rotor from colliding with the capacitor plate is...

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Abstract

A micro - electromechanical gyroscope of tuning type features setting rotor and balance ring of gyroscope on driving shaft of motor, setting capacity top and bottom polar plates being fixed by fix - ring separately at top and bottom of gyroscopic rotor and balance ring and setting wire ring for transmitting output signal of capacity top and bottom polar plates on said fix - ring .

Description

technical field [0001] The invention relates to a gyroscope, in particular to a tuned micro-electromechanical gyroscope. Background technique [0002] Micro-electromechanical gyroscope is a kind of gyroscope made by micro-electromechanical system (MEMS) technology. It has a series of advantages such as small size, light weight, low cost, low power consumption, and good reliability. It has broad application prospects in both military and civilian fields. . Since the invention of micro-electromechanical gyroscopes in the middle and late 1980s, they have been widely valued by developed countries in the world, and they have invested huge sums of money in research. Most of today's micro-electromechanical gyroscopes adopt the resonant type, and its structure is mainly composed of a movable mass block with an additional vibration drive device and an acceleration detection device. The angular velocity of the mass sensitive base vibrating along one axis (x-axis) along another axis ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01C19/02G01P9/02
Inventor 王寿荣苏岩裘安萍周百令刘梅许宜申
Owner SOUTHEAST UNIV
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