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Energy acquisition experiment device

A technology of energy harvesting and experimental equipment, which is applied to electrical components, piezoelectric effect/electrostrictive or magnetostrictive motors, generators/motors, etc., can solve mechanical structure changes, piezoelectric ceramics are brittle, piezoelectric Material fatigue fracture and other problems, to achieve the effect of prolonging the service life

Active Publication Date: 2019-02-15
TSINGHUA UNIV
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Problems solved by technology

[0002] At present, the equipment and devices for energy harvesting based on piezoelectric ceramic materials mainly have the following problems: because piezoelectric ceramics are brittle, the piezoelectric materials in some energy harvesting devices are prone to fatigue fractures; The service life of the material increases, but it usually needs to be used with a booster mechanism, which is easy to change the original mechanical structure
[0005] But none of above-mentioned technical solutions solves the technical problem that prior art exists

Method used

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Examples

Experimental program
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Embodiment approach

[0037] Image 6 According to yet another embodiment of the present invention, the energy harvesting experimental device includes:

[0038] A DC motor 1, an elastic coupling 2, a left bearing seat 3, a right bearing seat 7, a motor seat 10, a test bench base 9, and a rotor constitute.

[0039]The left bearing seat 3 and the right bearing seat 7 are arranged on the test bench base 9, and the rotor is installed between the left bearing seat 3 and the right bearing seat 7; a DC motor 1 is arranged on the outside of the left bearing seat 3, and the DC motor The motor base 10 is installed on the base 9 of the test bench, and is connected with the rotor protruding from the bearing seat 3 on the left side through the elastic coupling 2 .

[0040] The rotor includes an energy harvester 8 , a disc 5 , a sensor 6 and a rotating shaft 4 .

[0041] The energy harvester 8 is arranged on the rotating shaft 4, and the rotating shaft makes an alternating load on the energy harvesting device,...

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Abstract

The invention discloses an energy acquisition experiment device. The energy acquisition experiment device comprises a rotation shaft (1), a rotation shaft support part (10) and an energy acquisition device, wherein the rotation shaft support part is used for supporting the rotation shaft so that the rotation shaft is rotated under an external force, the energy acquisition device is arranged on therotation shaft, the rotation shaft rotates so that alternating charge is generated on the energy acquisition device, and voltage output can be generated by the energy acquisition device.

Description

technical field [0001] The invention belongs to the technical field of energy saving and environmental protection, and in particular relates to a piezoelectric energy collection experimental device for collecting the rotation of the self-weight of a rotor. Background technique [0002] At present, the equipment and devices for energy harvesting based on piezoelectric ceramic materials mainly have the following problems: because piezoelectric ceramics are brittle, the piezoelectric materials in some energy harvesting devices are prone to fatigue fractures; The service life of the material increases, but it usually needs to be used with a booster mechanism, which is easy to change the original mechanical structure. [0003] Some devices that use piezoelectric materials for energy harvesting are disclosed in the prior art, for example, the arc-shaped vibration energy harvesting device based on piezoelectric effect disclosed in the patent publication No. CN105305881B, which incl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/18
CPCH02N2/18
Inventor 秦朝烨张刘锋李峥褚福磊
Owner TSINGHUA UNIV
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