Miniature composite vibration generator
A composite vibration and generator technology, applied in the directions of generators/motors, photovoltaic power generation, current collectors, etc., can solve the problems of easy fatigue damage to the fixed end of the piezoelectric cantilever beam, power processing and output control, adaptation to a single environment, insufficient power generation, etc. , to achieve the effect of expanding the scope of application, wide application prospects, and strong power generation capacity
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[0040] refer to Figure 1-5 , a miniature composite vibration generator, including a base 3, a housing 1 disposed on the base 3, and a thin film piezoelectric sheet 5 disposed in the housing 1, and a solar photovoltaic cell disposed on the upper surface of the housing 1 2. The circuit board 4 arranged in the housing 1 on the base 3, and the U-shaped mass block 6 connected to the thin-film piezoelectric sheet 5, the thin-film piezoelectric sheet 5 and the solar photovoltaic cell 2 are respectively connected to the circuit board 4 through wires 4 , the solar photovoltaic cell 2 plays the role of converting light energy into electrical energy.
[0041]A support block 301 is provided on the base 3, and a fixing hole 302 is provided on it; the thin film piezoelectric sheet 5 is formed by bonding an elastic metal substrate 512 with a first piezoelectric material 510 and a second piezoelectric material 511, and its shape It is rectangular, and the two ends of the elastic metal subst...
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