Three-dimensional sensitive structure element with multi-curved-surface fusion and vibratory gyroscope comprising same
A multi-surface fusion, sensitive structure technology, applied in the field of three-dimensional multi-surface fusion sensitive structure vibrating gyroscope, can solve the problems of low quality factor, poor anti-overload capability, etc., to improve the signal-to-noise ratio, high anti-overload capability, avoid stress effect of concentration
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[0032]The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0033] Such as figure 1 As shown, the core part of the three-dimensional multi-curved surface fusion sensitive structural element of the present invention includes a three-dimensional sensitive structure (1), a piezoelectric electrode (2), a supporting axis (3), a base (4) and a casing (5). According to the characteristics of the actual use environment, the three-dimensional sensitive structure (1) is integrally processed with a constant elastic alloy material, and its main material properties are: density ρ =8170 g / cm 3 ,Poisson's ratio mu =0.3, Young's modulus E =196.76Gpa, tensile strength σ b =500Mpa, yield strength σ s =275MPa. further, such as figure 2 As shown, the optimized parameters of the three-dimensional sensitive structure (1) obtained after the finite element simulation design are: the radius of the hemispherical surfa...
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