Modular directional flow pipeline type piezoelectric energy harvester arranged in a circumferential array
A technology of array arrangement and piezoelectric energy harvesting, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, generators/motors, etc., can solve the problem of large application limitations and difficult adjustment of coupling relationship and other problems, to achieve the effect of high space utilization, increased vibration amplitude, and novel structure
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[0030] Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
[0031] Such as Figure 1 to Figure 13 As shown, a piezoelectric energy harvester arranged in a modular directional flow pipe circumferential array described in this embodiment includes a piezoelectric vibrator, a central support, a current-limiting outer ring, a connecting screw, and a flow-concentrating speed increaser. ring; the piezoelectric vibrator includes a piezoelectric cantilever beam 1 and a spoiler column 2; the piezoelectric cantilever beam 1 is formed by attaching a piezoelectric material 3 to an elastic base 4, both of which have the same width, and are inserted into a central support 6 On the top, it is clamped by the clamping plates 7 on both sides, and fixed by pressing the compression bolts 5 through the threaded holes 10 on the side, and there are 6 pieces evenly distributed in the circumferential direction. The seat 8 and t...
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