Piezoelectric generator for collecting bending vibration energy
A bending vibration and piezoelectric technology, applied in the field of piezoelectric devices, can solve the problem of less technical solutions for structural design of vibration piezoelectric power generation devices, and achieve significant economic and social value, low cost, and fast response.
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[0016] Embodiments of the present invention are described in detail below with the aid of figures and examples.
[0017] figure 1 Shown is a piezoelectric generator A, which has a metal layer in the middle, piezoelectric ceramic layers 1, 2 above and below, and conductive adhesive layers 4, 5 between them. Here the piezoelectric ceramic is lead zirconate titanate (Pb(Ti x Zr 1-x )O 3 ) PZT-5 in piezoelectric ceramics. In addition, the piezoelectric ceramic layers (1, 2) can correspond to other 31 And piezoelectric materials with high electromechanical coupling coefficient and dielectric constant, especially with the advancement of piezoelectric technology, it is possible to provide lead-free piezoelectric ceramic materials with the above characteristics. The metal layer is beryllium bronze (QBe-2Y), which has the characteristics of high strength, high hardness, high conductivity, high elasticity, wear resistance, fatigue resistance, corrosion resistance and small elastic ...
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