Self-driven displacement sensor based on friction nano-generator
A technology of displacement sensor and nanometer generator, which is applied in the direction of friction generator, instrument, and electric device, etc. It can solve the problems of high processing technology requirements, poor anti-interference ability, weak output signal, etc., and achieves wide application range and low cost. Inexpensive, close-contact effect
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[0017] The purpose and effects of the present invention will become clearer by describing the present invention in detail according to the accompanying drawings and preferred embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0018] Such as figure 1 As shown, the displacement sensor of the present invention includes a cylindrical inner column and a cylinder with a cylindrical cavity, one end of the inner column is fixedly connected to the member to be measured, and the other end is inserted into the cavity of the cylinder The cylinder is fixed on a stable fixed end; the inner column is composed of an inner rigid substrate 7, an inner electrode layer 5 and an inner dielectric material layer 4 from the inside to the outside, and the cylinder is composed of The outer dielectric material layer 3, the outer electrode layer 2 and the outer rigid substrate 1 are compo...
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