Vibration energy collector
A vibration energy harvesting, folding and pressing technology, applied in the directions of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc. To achieve the effect of high collection efficiency
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[0023] Example 1
[0024] A vibration energy harvester includes a bracket, a cover plate is arranged above the bracket, a bottom plate is arranged below the bracket, and at least 3 folding piezoelectric beams are arranged in the bracket. The folding piezoelectric beam is provided with piezoelectric sheets, the two sides of the folding piezoelectric beam are provided with electrodes of different polarities, and the electrodes are connected with the power management circuit. There is a spacing between the bending parts of the folded piezoelectric beam, and the spacing can cause the piezoelectric effect of the folded piezoelectric beam. The two ends of the folded piezoelectric beam are a fixed end and a cantilever end. The fixed end of the folded piezoelectric beam is fixed on the bracket, and the cantilever end of the folded piezoelectric beam extends to the middle of the bracket. The space enclosed by the cantilever ends of the folded piezoelectric beam is provided with a sphere,...
Example Embodiment
[0028] Example 2
[0029] A vibration energy harvester includes a bracket 1, a cover plate 2 is arranged above the bracket 1, and a bottom plate 3 is arranged below the bracket 1. The bracket 1 is provided with at least three evenly distributed folding piezoelectric beams 5, and the bending parts of the folding piezoelectric beams 5 are spaced apart. The two ends of the folding piezoelectric beams 5 are fixed ends and cantilever ends. The fixed end of the piezoelectric beam 5 is fixed on the bracket, the cantilever end of the folded piezoelectric beam 5 extends to the middle of the bracket, and the space enclosed by the cantilever end of the folded piezoelectric beam 5 is provided with a sphere, and the cantilever of the folded piezoelectric beam 5 There is a distance between the ends, and a distance between the sphere 7 and the cantilever end of the folded piezoelectric beam 5 is provided.
[0030] The folded piezoelectric beams 5 are arranged in a uniform distribution. On the on...
Example Embodiment
[0041] Example 3
[0042] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, a vibration energy harvester includes a support 1, a cover 2 is provided above the support 1, a bottom 3 is provided below the support 1, and spiral coils 4 are provided on the inner surfaces of the cover 2 and the bottom 3. The support 1 is a cylindrical support, which is convenient for installing the folded piezoelectric beam 5 on the support 1. Four evenly distributed folding piezoelectric beams 5 are arranged in the support 1. There are four folded piezoelectric beams 5, and the folded piezoelectric beams 5 are evenly distributed along the circumference of the bracket 1. The four folded piezoelectric beams 5 are on the same plane, and the plane is parallel to the spiral coil 4, so that each folded The shaped piezoelectric beam 5 can receive the middle part of the bracket 1 as evenly as possible during work. The two ends of the folding piezoelectric beam 5 are a fixed end and a cantil...
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