Piezoelectric generating unit structure

A generator, piezoelectric technology, applied in piezoelectric/electrostrictive/magnetostrictive devices, generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, etc., can solve the limited practicality , Unable to achieve the problem of no battery power supply

Active Publication Date: 2009-02-25
IND TECH RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although DC bias improves the conversion efficiency, the addition of a battery prevents piezoelectric generators from being used as a power source without a battery, so their practicality is limited

Method used

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  • Piezoelectric generating unit structure
  • Piezoelectric generating unit structure
  • Piezoelectric generating unit structure

Examples

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Embodiment Construction

[0054] The technical means and effects used by the present invention to achieve the purpose are described below with reference to the attached drawings, and the embodiments listed in the following drawings are only for auxiliary illustration, but the technical means of this case are not limited to the listed drawings.

[0055] see Figure 2 to Figure 4 As shown, the piezoelectric generator structure 10 provided by the present invention includes two piezoelectric transducer units 110, 110', a plurality of fixing elements 210, and an elastic body 310; Between the transducing element units 110, 110'; the fixing elements 210 are used to fix the piezoelectric transducing element units 110, 110' and the elastic body 310; wherein the elastic body 310 can be plastic, rubber or other metal materials , the elastic body 310 can also be a ball or a spring body.

[0056] The piezoelectric transducer unit 110 includes a metal sheet 121 and at least one piezoelectric sheet 111, the metal sh...

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PUM

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Abstract

The invention discloses a piezoelectric generator, which comprises two piezoelectric inverting element units, an elastic body and a plurality of fixing elements. The elastic body is contained between the piezoelectric inverting element units; the fixing elements can adjust the distance between the piezoelectric inverting element units; under the action of the elastic body, the piezoelectric inverting element units are led to deform due to the stress through adjusting the distance between the piezoelectric inverting element units; by utilizing the prestressing manner, the piezoelectric inverting element units generate the maximum electric energy output under the action of an uniform external force.

Description

technical field [0001] The present invention relates to a piezoelectric generator structure, in particular to a piezoelectric generator that pre-stresses the piezoelectric transducer element unit to generate deformation so that the piezoelectric transducer element unit can produce the maximum electric energy output under the action of a fixed external force. Electrical structure. Background technique [0002] Piezoelectric materials are materials for the conversion between electrical energy and mechanical energy, represented by lead zirconate titanate and its derivatives, whose piezoelectric properties are currently the highest in electromechanical conversion efficiency. The representative of piezoelectric material applied to voltage generation is the ignition element. After using the spring to store the mechanical energy, it hits the surface of the piezoelectric material instantly, and uses the piezoelectric characteristics to convert the mechanical energy into electrical e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/18H01L41/113
Inventor 郑世裕陈云田
Owner IND TECH RES INST
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