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Vibration type energy collector and preparation method thereof

An energy harvester and vibration technology, applied in the direction of induction generators, etc., can solve the problems of energy harvesting efficiency reduction and other issues

Active Publication Date: 2016-11-23
SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the vibration source frequency deviates from the resonance frequency of the vibratory energy harvester, the energy harvesting efficiency will decrease

Method used

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  • Vibration type energy collector and preparation method thereof
  • Vibration type energy collector and preparation method thereof
  • Vibration type energy collector and preparation method thereof

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] figure 1 It is a front view of a vibration energy harvester in an embodiment. figure 2 for figure 1 Exploded diagram of the vibratory energy harvester in , image 3 then figure 1 A cross-sectional view of the vibratory energy harvester in . The vibration energy harvester is electrostatic, and is used to convert vibration energy into electrical energy for storage or external power supply. see Figure 1~3 , the vibratory energy harvester includes two moving plates 110 and 120, an isolation device 200 and a bias voltage generating device 300 between the two moving plates.

[0027] The m...

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Abstract

The invention relates to a vibration type energy collector, which comprises a bias voltage generating device, at least two moving pole plates and an isolation device, wherein the moving pole plates are arranged in a laminated way; the isolation device is arranged between the two moving pole plates and is used for enabling the two adjacent moving pole plates to maintain the preset space under the external-force-free effect; each moving pole plate respectively comprises a support component, a moving mass block and an electrode layer; the support component is arranged on the periphery of the moving mass block and supports the moving mass block; the electrode layer is arranged on the surface, opposite to the adjacent moving pole plate, on each moving pole plate; the bias voltage generating device is positioned between the two moving pole plates and is arranged on the surface of one electrode layer; the bias voltage generating device is used for forming a fixed electric field between the two adjacent moving pole plates. The vibration type energy collector has the advantages that the work frequency is wide, so that the device has high energy collection efficiency in the frequency range. The invention also provides a preparation method of the vibration energy collector.

Description

technical field [0001] The invention relates to the technical field of energy harvesting, in particular to a vibrating energy harvester and a preparation method thereof. Background technique [0002] The vibration energy harvester is a kind of energy harvester, which can convert the mechanical vibration energy that is ubiquitous in nature into electrical energy, and then continuously supply power to various low-power electronic components or microsystems. Traditional vibratory energy harvesters have a fixed resonant frequency. In many cases, the vibration source usually works in a special frequency range, or in a random vibration frequency range. When the frequency of the vibration source deviates from the resonance frequency of the vibration energy harvester, the energy harvesting efficiency will decrease. Contents of the invention [0003] Based on this, it is necessary to provide a vibratory energy harvester with a wide working frequency and high energy harvesting eff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N1/08
CPCH02N1/08
Inventor 汪飞张玉龙
Owner SOUTH UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA
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