CPC G01H 11/06 (2013.01) [H04R 9/08 (2013.01)] | 18 Claims |
1. A sensing device, comprising:
an elastic component;
a sensing cavity, wherein the elastic component forms a first sidewall of the sensing cavity; and
an energy conversion component configured to obtain a sensing signal and convert the sensing signal into an electrical signal, the energy conversion component being in communication with the sensing cavity, and the sensing signal relating to a change of a volume of the sensing cavity,
wherein at least one convex structure is arranged on one side of the elastic component facing toward the sensing cavity, the elastic component driving the at least one convex structure to move in response to an external signal, and the movement of the at least one convex structure changing the volume of the sensing cavity, wherein the at least one convex structure abuts against a second sidewall of the sensing cavity, the second sidewall is opposite to the first sidewall, the at least one convex structure has elasticity, when the at least one convex structure moves, the at least one convex structure producing elastic deformation, and the elastic deformation changing the volume of the sensing cavity.
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