Metal vibrating gyroscope inertial sensor and metal vibrating gyroscope

Abstract

The invention discloses a metal vibration gyroscope inertia sensor. The metal vibration gyroscope inertia sensor comprises a gyroscope outer cover with a U-shaped section, a metal harmonic oscillator, a sealing base, a conductive ring, a plurality of glass insulators and an insulating gasket, wherein the metal harmonic oscillator is arranged in the gyroscope outer cover; a supporting rod is arranged at the middle position of the bottom of the metal harmonic oscillator in a manner of extending; the supporting rod points to an opening of the gyroscope outer cover; a plurality of piezoelectric electrodes are arranged at the periphery of the bottom of the metal harmonic oscillator; the sealing base is arranged at the opening of the gyroscope outer cover; the conductive ring is arranged between the supporting rod and the sealing base; the plurality of glass insulators are sintered in the sealing base; the glass insulators are electrically connected with the piezoelectric electrodes and the conductive ring; and the insulating gasket is arranged between the conductive ring and the sealing base, and the insulating gasket is provided with through holes corresponding to the glass insulators so that the glass insulators are electrically connected with the piezoelectric electrodes or the conductive ring. The invention further discloses a metal vibration gyroscope based on the gyroscope inertia sensor. The metal vibration gyroscope inertia sensor is good in sealing performance, compact in structure and small in size and can be easily connected with a circuit.

Description

technical field [0001] The invention relates to the technical field of inertial devices, in particular to a metal vibrating gyroscope inertial sensor and a metal vibrating gyroscope. Background technique [0002] With the development of micro-nano satellites and tactical weapon systems, further requirements are put forward for the accuracy, volume, and cost of inertial systems. The metal vibrating gyro is a solid vibrating gyro based on the Coriolis effect. It has excellent characteristics such as simple structure, high precision, small size, light weight, low cost, and high reliability. It is used in tactical weapons, micro-nano satellites, and industrial Control and other military and civilian fields have broad application prospects. [0003] The vacuum packaging of the metal vibration gyro inertial sensor can effectively reduce the vibration damping of the metal harmonic oscillator, improve the vibration quality factor (Q value) of the harmonic oscillator, and further im...

AI Technical Summary

Problems solved by technology

[0004] The metal vibrating gyro inertial sensor in the prior art mainly has the following problems or deficiencies: the vacuum packaging method adopts the method of sealing after the exhaust pipe is pumped, and it is necessary to make a special exhaust pipe on the meter head structure, and the sealing effect is poor. In addition, it is not easy to repeat the vacuum packaging after the exhaust pipe is cut and sealed; the method of connecting the wire to the external control circuit leads to the failure of the metal vibration gyro inertial sensor to be vacuum packaged, or the vacuum package sealing effect is extremely poor

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