A rotary piezoelectric-friction composite generator
A generator, rotary technology, applied in the direction of friction generator, generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, etc., can solve the problem of low vibration frequency and rotating body speed adaptability, sliding The problems of friction and wear between the friction pairs of the triboelectric generator, low power generation capacity and low energy density per unit volume, etc., achieve the effect of simple structure and excitation process, strong adaptability of rotation speed, and avoiding surface friction and wear
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[0023] The composite generator proposed by the present invention mainly includes casing a, bearing c, end cover b, rotating shaft d, fixed ring f, excitation ring g, rolling element n, composite beam h, piezoelectric vibrator i, ring frame m and circuit Board p.
[0024] The end cover b is installed on the end of the casing a2 of the casing a through screws. The rotating shaft d is composed of a flange d1, a flat shaft d2 and an inclined shaft d3. One end of the flat shaft d2 of the rotating shaft d is provided with a flange d1, and the other end is provided with a There is an inclined shaft d3, a flat shaft d2 is installed on the shell bottom a1 of the casing a through a circlip j and a bearing c, a fixed ring f is installed on the inclined shaft d3 through a retainer e and screws; the excitation ring g is installed through rolling elements n sets On the fixed ring f, the rolling element n is a ball or a cylinder, and the flat axis x1 and the oblique axis x2 have an axial inc...
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