Piezoelectric ceramic piece energy harvesting device based on water medium pressure pulsation
A piezoelectric ceramic sheet and pressure pulsation technology, which is applied in piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., to achieve improved reliability, low cost, and no pollution Effect
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[0023] A piezoelectric ceramic sheet piezoelectric energy harvesting device based on water medium pressure pulsation, comprising an upper cover 1, a housing 2, a middle lining 3 arranged inside the casing, an upper lining 4 arranged outside the middle lining 3, and The piezoelectric sheet 5 under the middle lining 3 and the upper lining 4, the lower lining 6 arranged on the lower side of the piezoelectric sheet 5, the O-ring 7 arranged inside the lower inner lining, and the O-ring arranged in the outer shell 2 Circle 8.
[0024] The upper cover 1 is a cylindrical object with a thick upper part and a thinner lower part. The outer peripheral surface has an external thread 1.1, and its central part is a vertical through hole 1.2. Its lower bottom surface 1.3 is in clearance fit with the upper surface 3.1 of the middle inner lining 3 and the upper surface 4.1 of the upper inner lining 4 .
[0025] The upper part of the inner peripheral surface 2.1 of the housing 2 has an internal...
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Abstract
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