Electromagnetic energy harvester based on dynamic vibration absorber

An energy harvester and dynamic vibration absorber technology, which is applied in electrical components, electromechanical devices, non-rotational vibration suppression, etc., can solve problems such as structural failure and thread failure, and achieve increased amplitude, reduced vibration amplitude, and good energy collection effect. Effect

Inactive Publication Date: 2019-06-28
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Slightly higher vibration amplitudes have the potential to cause the thread to fail and thus the entire structure to fail

Method used

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  • Electromagnetic energy harvester based on dynamic vibration absorber
  • Electromagnetic energy harvester based on dynamic vibration absorber
  • Electromagnetic energy harvester based on dynamic vibration absorber

Examples

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Embodiment Construction

[0023] The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0024] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the invention.

[0025] refer to figure 1 , an electromagnet...

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Abstract

The invention provides an electromagnetic energy harvester based on a dynamic vibration absorber. The electromagnetic energy harvester comprises a vibration absorber portion and an energy collecting circuit portion. The vibration absorber portion comprises a magnet, a non-magnetic spring, a non-magnetic sleeve, a coil and a base, wherein the base is connected to the sleeve, the coil is wound around the sleeve, and the magnet is connected to a vibrating structure by a spring. The energy collecting circuit portion is an SS-SSHI energy collecting circuit for energy collection, and the energy supply to different devices is realized by changing the load resistance in the circuit. A vibration object is fixedly connected to the spring, the generated mechanical energy is converted into the kineticenergy of the magnet, the spring drives the magnet to reciprocate in the coil, so that the coil cuts magnetic lines of force for magnetoelectric conversion to generate a current, the current suppliesenergy to a load device through the energy collecting circuit, and therefore, the vibration absorber absorbs the vibration energy of a vibration structure and converts the vibration energy into available electric energy. According to the electromagnetic energy harvester, while the dynamic vibration absorber is used to perform vibration reduction on the vibration structure, the vibration energy absorbed by the vibration absorber is converted and collected to be the available electric energy.

Description

technical field [0001] The invention belongs to the field of electromagnetic energy, in particular to a novel electromagnetic energy collector based on a vibration absorber. Background technique [0002] Mechanical vibration can produce various hazards, and it is often the direct cause of mechanical structure failure and destruction. The problem of structural vibration control has long been one of the key research objects of researchers in the field. In practical engineering applications, how to effectively absorb and suppress the vibration of structures is also an issue of close concern in the fields of mechanical engineering, aerospace and other fields. [0003] The electromagnetic vibration absorbing device has simple structure, convenient installation and remarkable effect. It is more and more adopted by various vibration absorption and vibration reduction schemes. The permanent magnet moves in the magnetic coil of the closed loop and cuts the magnetic induction line, w...

Claims

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Application Information

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IPC IPC(8): H02K35/02F16F15/03
Inventor 陈宇陈浩程立鑫郭彦亨王健王锁周生喜杨智春
Owner NORTHWESTERN POLYTECHNICAL UNIV
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