MEMS gyroscope
A technology of gyroscopes and ring structures, applied in the field of gyroscopes, can solve the problems of low bias stability, affecting detection performance, and low sensitivity
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Embodiment 1
[0035] Such as figure 1 As shown, the MEMS gyroscope includes a ring structure 1, a first coupling structure 2 connected to the ring structure 1, a mass block 3 connected to the end of the first coupling structure 2 away from the ring structure 1, and an anchor point 4 connected to the mass block 3 , the second coupling structure 5 connected between adjacent mass blocks 3 and the transducer assembly 60 connected to the ring structure 1 and the mass block 3, the MEMS gyroscope includes 4N equiangular arrangements around the center of the ring structure 1 and The mass block 3 with the same size, N is an integer greater than or equal to 2, the mass block 3 includes a main body 30 connected to the first coupling structure 2 and having a receiving groove 33 inside, and an elastic structure connected to the main body 30 and located in the receiving groove 33 31 , the anchor point 4 is disposed in the receiving groove 33 and connected with the elastic structure 31 .
[0036] The ma...
Embodiment 2
[0044] Such as Figure 7 As shown, the difference with Embodiment 1 is that in this embodiment, N is 3, that is, the mass block 3 has 12 pieces, and now the vibration mode of the MEMS gyroscope is Figure 8 As shown, the detection modality is as Figure 9 shown. In some embodiments, N can be 4, 5, 6, etc., so that the number of masses reaches 16, 20, 24, etc.
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