A small electromagnetic swing energy harvester

An energy harvester and swing-type technology, applied to electrical components, electromechanical devices, etc., can solve problems such as environmental pollution, repeated charging or replacement due to energy depletion, large weight and volume, etc.

Inactive Publication Date: 2018-04-10
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, chemical batteries are still used to power these systems or devices, but there are more prominent problems in using chemical batteries: they are heavy and bulky, and cannot be used in systems with small working spaces; Recharging or replacement; greater pollution to the environment
In addition, traditional electromagnetic energy harvesters are usually open structures and cannot work in extreme environments

Method used

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  • A small electromagnetic swing energy harvester
  • A small electromagnetic swing energy harvester
  • A small electromagnetic swing energy harvester

Examples

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Embodiment 1

[0022] A small electromagnetic swing type energy harvester, comprising a housing 1, a switch 3, a support spring 8, a driving device 4, a mass block 7, an electromagnetic power generation device 2, an energy storage circuit 6, a mass block 7, and an output interface 5, such as figure 2 , 3 shown.

[0023] The casing 1 is provided with a shaft hole for fixing the driving device and a square hole for fixing the electromagnetic driving device. The shaft of the driving device 4 is fixed on the casing 1, and one end is fixed with a mass block 7, which is connected to the casing 1 through a support spring 8, and the other end is a sector gear, and the driving device 4 is integrally fixed on the casing 1 at a certain angle. reciprocating rotation; part of the gears of the driving device 4 and the gears in the electromagnetic power generation device 2 mesh with each other for transmission. The stator of the electromagnetic generator 2 is connected to the energy storage circuit 6 , ...

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PUM

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Abstract

The invention relates to a miniature electromagnetic swing-type energy harvester, especially an energy harvester which employs mechanical swinging and electromagnetic induction principles, and belongs to the technical field of new energy and power generation. The interior of a housing is provided with a drive device, a supporting spring, an electromagnetic power generation device, an energy storage circuit, a switch, and an output interface. The drive device and the electromagnetic power generation device carry out transmission in a gear mode. The electromagnetic power generation device is connected with the switch and the energy storage circuit, and the energy storage circuit is connected with an output interface. The energy harvester employs the half-gear mechanical reciprocating rotation of the drive device and the magnetic induction line cutting motion of the power generation device for power generation. Compared with a conventional electromagnetic energy harvester, the energy harvester is more reliable and stable. Moreover, the energy harvester can make the most of the motion of a human body or the vibration of an environment, and enables the swinging kinetic energy to be converted into electric energy. The energy harvester employs a closed-type structure, avoids a housing seam needed for the replacement of a cell, and meets the requirements of application in a severe environment.

Description

technical field [0001] The invention relates to a small electromagnetic swing type energy harvester, in particular to an energy harvester utilizing the principles of mechanical swing and electromagnetic induction, belonging to the technical field of new energy and power generation. Background technique [0002] At present, with the rapid development of modern integrated circuit technology and micro-electromechanical system (MEMS) technology, various micro-electromechanical devices or systems and low-power electronic products are increasingly applied to aerospace, weapon industry, biomedicine, structural health monitoring and other fields. At present, chemical batteries are still used to power these systems or devices, but there are more prominent problems in using chemical batteries: they are heavy and bulky, and cannot be used in systems with small working spaces; Recharging or replacement; greater pollution to the environment. These have become unfavorable factors for th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K35/02
CPCH02K35/02
Inventor 董新博刘海鹏高世桥张广义陈林雄
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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