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Device and method for road surface vibration energy recovery and power generation based on three-dimensional metamaterials

A vibration energy recovery, power generation device technology, applied in the direction of generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, electrical components, etc., to achieve protection, reduce vibration transmission, and achieve effective utilization Effect

Inactive Publication Date: 2019-01-18
CHANGAN UNIV
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Problems solved by technology

[0007] The purpose of the present invention is to provide a road surface vibration energy recovery power generation device and method based on three-dimensional metamaterials to solve the problem of noise vibration energy recovery on traffic roads

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  • Device and method for road surface vibration energy recovery and power generation based on three-dimensional metamaterials
  • Device and method for road surface vibration energy recovery and power generation based on three-dimensional metamaterials
  • Device and method for road surface vibration energy recovery and power generation based on three-dimensional metamaterials

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Embodiment Construction

[0029] Below in conjunction with accompanying drawing, the present invention is further described:

[0030] see figure 1 and figure 2 , a road surface vibration energy recovery power generation device based on three-dimensional metamaterials, including a multi-cantilever beam ring structure 3, an upper hemispherical shell 1 and a lower hemispherical shell 2; the material of the upper hemispherical shell 1 and the lower hemispherical shell 2 is a three-dimensional metamaterial, more The cantilever beam annular structure 3 is arranged inside the hollow sphere composed of the upper hemispherical shell 1 and the lower hemispherical shell 2;

[0031] The multi-cantilever ring structure 3 includes a main body and a piezoelectric cantilever 4; the main body includes a cross bar and a semi-disc, and the piezoelectric cantilever 4 includes a fixed end of the cantilever, a piezoelectric ceramic 6 and a substrate 7; one end of the cross bar is fixed and arranged in parallel On the upp...

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Abstract

The invention discloses a pavement vibration energy recovery power generation device and method based on a three-dimensional super material. The device comprises a multi-cantilever beam annular structure, an upper half sphere case and a lower half sphere case, wherein the upper half sphere case and the lower half sphere case are made of the three-dimensional super material. The multi-cantilever beam annular structure is arranged inside a hollow sphere body formed by the upper half sphere case and the lower half sphere case. The three-dimensional super material sphere cases can realize the isotropic vibration wave gathering; the pavement vibration wave energy can be recovered to the maximum degree; the multi-cantilever beam annular structure can effectively convert electric energy; the damage to the pavement due to the frequent vibration can be reduced; meanwhile, the energy can be converted into electric energy, so that the effective utilization of the energy is realized.

Description

technical field [0001] The invention relates to the technical field of road vibration energy and metamaterials, in particular to a road surface vibration energy recovery power generation device and method based on three-dimensional metamaterials. Background technique [0002] Metamaterials are a very popular class of artificial materials for acoustics that have special properties that do not exist in nature. The wave-focusing property of metamaterials shows great application prospects in vibration energy absorption. Metamaterials are further divided into one-dimensional, two-dimensional, and three-dimensional. Among them, three-dimensional metamaterials have a broader application prospect because they can achieve omnidirectional vibration wave convergence. [0003] The noise in modern society is mainly low-frequency noise, including traffic low-frequency noise and electrical low-frequency noise. Among them, the vibration energy produced by road vehicles as a new type of ne...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/18
CPCH02N2/183
Inventor 陈世斌刘鑫杨双建马景存余娜赵轩
Owner CHANGAN UNIV
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