Multiaxial gyroscope
View Patent ↗The present invention relates to a multiaxial gyroscope, which comprises a vibration-sensing device, a plurality of elastic connecting parts, a first substrate, and a plurality of electrodes. The first ends of the elastic connecting parts are adapted on the periphery of the vibration-sensing device. The sidewall of the first substrate connects with the second ends of the elastic connecting parts. The plurality of electrodes is located on the periphery of the vibration-sensing device and is opposite to the plurality of elastic connecting parts. The vibration-sensing device comprises a ring and a plurality of vibration blocks. By means of the vibration blocks, the sensing area as well as the driving amplitude of the gyroscope can be increased effectively. Thereby, the intensity of the sensed signals of the gyroscope can be enhanced.
1. A multiaxial gyroscope, comprising:
a vibration-sensing device, the vibration device including a ring and a plurality of vibration blocks set on an inner sidewall of the ring;
a plurality of elastic connecting parts, having first and second ends, the first ends of the plurality of elastic connecting parts being connected with an outer sidewall of the ring of the vibration-sensing device, the plurality of elastic connecting parts being disposed opposite to the plurality of vibration blocks; and
a plurality of electrodes set on a periphery of the vibration-sensing device and respectively disposed in correspondence with the plurality of elastic connecting parts, and a potential difference existing between the vibration-sensing device and the electrodes.
2. The multiaxial gyroscope of claim 1 , and further comprising:
a plurality of first connecting parts, and both ends thereof connecting to the inner sidewall of the ring and the vibration blocks, respectively;
a plurality of second connecting parts, and both ends thereof connecting to the outer sidewall of the ring and the first ends of the elastic connecting parts, respectively;
an elastic arm, laterally opposite to the vibration blocks, and connecting with the second connecting parts;
a connecting arm, connecting to both ends of the elastic arm and the sidewall of the first substrate, respectively; and
a bended member, both ends thereof connecting to the elastic arm and the connecting arm, respectively.
3. The multiaxial gyroscope of claim 1 , further comprising a substrate having holes, and the second ends of the plurality of elastic connecting parts respectively communicating with a sidewall of the holes.
4. The multiaxial gyroscope of claim 1 , further comprising a substrate, the substrate being a securing ring, and an outer sidewall thereof connecting with the second ends of the plurality of elastics connecting parts.
5. The multiaxial gyroscope of claim 4 , wherein the securing ring comprises a plurality of securing members, and a sidewall of each securing member being connected with the second end of a respective one of the plurality of elastic connecting parts.
6. The multiaxial gyroscope of claim 1 , and further comprising a plurality of sensors, located above or below the vibration-sensing device, and respectively disposed in correspondence with the vibration blocks.
7. A multiaxial gyroscope, comprising:
a vibration-sensing device, the vibration-sensing device including a ring and a plurality of vibration blocks set on an inner sidewall of the ring;
a plurality of elastic connecting parts having first and second ends, the first ends of the plurality of elastic connecting parts being connected with an outer sidewall of the ring of the vibration-sensing device, the plurality of elastic connecting parts being disposed opposite to the plurality of vibration blocks;
a plurality of electrodes set on a periphery of the vibration-sensing device and respectively disposed in correspondence with the plurality of elastic connecting parts, and a potential difference existing between the vibration-sensing device and the electrodes; and
a plurality of sensors for respectively sensing vibration of the plurality of vibration blocks.
8. The multiaxial gyroscope of claim 7 , and further comprising:
a plurality of first connecting parts, and both ends thereof connecting to the inner sidewall of the ring and the vibration blocks, respectively;
a plurality of second connecting parts, and both ends thereof connecting to the outer sidewall of the ring and the first ends of the elastic connecting parts, respectively;
an elastic arm, laterally opposite to the vibration blocks, and connecting with the second connecting parts;
a connecting arm, connecting to both ends of the elastic arm and the sidewall of the first substrate, respectively; and
a bended member, both ends thereof connecting to the elastic arm and the connecting arm, respectively.
9. The multiaxial gyroscope of claim 7 , wherein the plurality of sensors are located above or below the vibration-sensing device and in respective correspondence with the plurality of vibration blocks.
10. The multiaxial gyroscope of claim 7 , further comprising a substrate having holes, and the second ends of the plurality of elastic connecting parts respectively communicating with a sidewall of the holes.
11. The multiaxial gyroscope of claim 7 , further comprising a substrate, the substrate being a securing ring, and an outer sidewall thereof connecting with the second ends of the plurality of elastics connecting parts.
12. The multiaxial gyroscope of claim 11 , wherein the securing ring comprises a plurality of securing members, and a sidewall of each securing member being connected with the second end of a respective one of the plurality of elastic connecting parts.