Piezoelectric composite phonon crystal slab for denoising and power generation
A piezoelectric composite, phononic crystal technology, applied in the direction of generator/motor, sound device, piezoelectric effect/electrostrictive or magnetostrictive motor, etc. Complex structure and other problems, to achieve the effect of reducing volume, good energy saving and economic effect
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[0031] Such as Figure 1-5As shown, the piezoelectric composite phononic crystal plate used in the noise-removing power generation composite material in the present invention is mainly composed of several mass sheets 1 , elastic thin plates 2 , several piezoelectric sheets 3 , and frame grids 4 . A number of mass sheets 1 and piezoelectric sheets 2 are respectively arrayed and fixed on the upper and lower sides of an elastic thin plate 2, and a frame grid 4 is arranged on the side of the elastic sheet 2 containing piezoelectric sheets. Each grid-type grid, the elastic sheet unit defined by each grid-type grid, and the mass sheet 1 and piezoelectric sheet 3 arranged on the upper and lower sides of the elastic sheet unit constitute a piezoelectric composite phonon unit crystal. cell. The piezoelectric composite phonon unit unit cells are arranged in a two-dimensional array to form a two-dimensional piezoelectric composite phononic crystal plate. The piezoelectric composite pho...
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