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Electromagnetic composite vibration energy collector

An electromagnetic composite and vibration energy technology is applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., which can solve the problems of single energy collection and low energy collection efficiency, and achieve improved The effect of energy efficiency

Inactive Publication Date: 2020-08-04
GUANGZHOU UNIVERSITY
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  • Abstract
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Problems solved by technology

[0002] The existing piezoelectric vibration energy harvester can only realize the collection of a single energy, and the energy collection efficiency is low. Therefore, it is urgent to provide a new type of vibration energy harvester to solve the above problems

Method used

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  • Electromagnetic composite vibration energy collector

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Embodiment Construction

[0019] The present invention is further described in conjunction with the following examples.

[0020] figure 1 A structural diagram of a magnetoelectric composite vibration energy harvester is shown, which comprises: a base layer 2 , a permanent magnet assembly, a piezoelectric layer 3 and a support frame 4 placed on a base vibrating table 1 .

[0021] The base layer 2 is an arc-shaped arch ring structure, and its two ends are detachably mounted on two opposite inner sidewalls of the supporting frame 4 through torsion springs 5 ​​. Since the base layer 2 is detachably installed on the two opposite inner sidewalls of the support frame 4 through the torsion spring 5, when it is necessary to adjust the fixed frequency of the arch ring structure, it is only necessary to select torsion springs with different rigidities. Can achieve. By selecting torsion springs with different stiffnesses, different restraint states of the arch ring structure can be realized, such as fixed suppor...

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Abstract

The invention discloses an electromagnetic composite vibration energy collector. The collector comprises a base layer, a permanent magnet assembly, a piezoelectric layer and a supporting frame placedon a base vibration table. The base layer is of an arc-shaped arch ring structure, and the two ends of the base layer are detachably installed on the two opposite inner side walls of the supporting frame through torsion springs. According to the electromagnetic composite vibration energy collector, due to the fact that the base layer is detachably installed on the supporting frame through the torsion springs, different constraint states of an arch ring can be achieved by replacing the torsion springs with different rigidities, and therefore the purpose of adjusting the inherent frequency of the arch ring structure is achieved. In addition, the collector can collect currents generated by the piezoelectric effect and the electromagnetic effect at the same time, and the energy efficiency of the collector is greatly improved.

Description

technical field [0001] The invention relates to the technical field of vibration energy collection, in particular to an electromagnetic composite vibration energy collector. Background technique [0002] The existing piezoelectric vibration energy harvester can only realize the collection of a single energy, and the energy collection efficiency is low. Therefore, it is urgent to provide a new type of vibration energy harvester to solve the above problems. Contents of the invention [0003] In view of the above problems, the present invention provides an electromagnetic composite vibration energy harvester. [0004] The object of the present invention adopts following technical scheme to realize: [0005] An electromagnetic composite vibration energy harvester, the collector includes: a base layer, a permanent magnet assembly, a piezoelectric layer and a support frame placed on a base vibration table; [0006] The base layer is an arc-shaped arch ring structure, and its t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/18
CPCH02N2/186
Inventor 刘爱荣杨智诚黄永辉何运成傅继阳
Owner GUANGZHOU UNIVERSITY
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