Elastic piece type piezo-electric power generating set and method

Abstract

The invention provides an elastic piece type piezo-electric power generating set and method, and belongs to the field of wind and hydraulic power generation. The elastic piece type piezo-electric power generating set is characterized in that a turbine rotor component, at least two sets of elastic idler wheel components and a piezoelectric ring are included, the turbine rotor component is composed of a rotating shaft (7), turbine blades (9) fixed at one end of the rotating shaft (7) and an elastic piece shaft sleeve (8) fixed in the middle of the rotating shaft (7), each set of elastic idler wheel component is composed of rolling balls (3), a rolling ball rotating shaft (4), a supporting frame (5) and an elastic piece (6), the piezoelectric ring (2) is composed of a plurality of mutually insulated piezoelectric units and fixed on the inner circle of a box body (1), and the elastic pieces (6) of the elastic idler wheel components enable the rolling balls (3) to maintain contact with the piezoelectric ring (2) all the time. The turbine rotor component rotates under the action of fluid force in the environment, the rolling balls (3) are driven by the elastic pieces (6) to roll on a cylindrical face in the piezoelectric ring (2), so that the piezoelectric units bear period pressure to output electric charges, and conversion from fluid kinetic energy to electric energy is achieved.

Description

technical field [0001] The invention belongs to the fields of wind power generation and hydropower generation, in particular to an elastic sheet type piezoelectric power generation device and method. Background technique [0002] Using natural wind energy and water energy to generate electricity, the self-powered system for various outdoor facilities is in line with today's energy-saving, environmental protection, and low-carbon development trends. It is used in industrial monitoring, intelligent transportation, smart grid, mine safety, environmental monitoring, safe home, Healthcare and other fields have broad application prospects. [0003] US11 / 252903, a small wind-driven generator, was designed and manufactured by Priya of the United States using piezoelectric devices. It can generate electricity under the wind power of 8-16 kilometers per hour. The generator's paddles are attached to a cam that oscillates a series of bimorphs arranged in a circle around an axis to out...

AI Technical Summary

Problems solved by technology

This solution has two disadvantages: one is that the piezoelectric bimorph collides with the cam and rubs against it every time it rotates, thus causing wear and tear, resulting in energy loss and reducing the service life

The main disadvantage of this solution is that when the vehicle passes by continuously and strong wind is generated, the sign will rotate at high speed, so that the steel ball will move close to the piezoelectric conversion element, and the piezoelectric element will not receive alternating pressure. can't generate electricity

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