用一个压电的圆形的膜数组从机械颤动产生电能在这份报纸被介绍。功能的数组的电的特征由三个盘子组成了与改变尖端群众在动态条件下面被检验。与 11 k 的一个最佳的负担电阻器, 21.4 mW 的产量力量在 150 Hz 在平行连接从数组被产生在下面一 0.8 N 的 pre-stress 和 9.8 m/s 的颤动加速 < 啜 class= “ a-plus-plus ” > 2 。而且,仍然用这个数组收获的宽带精力能与不同尖端群众被认识到。三座明显的产量力量山峰能在频率被获得到 260 Hz 的 110 Hz 的系列。结果证明使用一个压电的圆形的隔膜数组能显著地与一个单个盘子的使用相比增加精力的输出。并且在数组与压电的元素由优化尖端的联合集中,频率范围能被调节遇见宽带颤动。这个数组可以可能被利用设计收获的精力因为象未来那样的实际应用高加速栏杆。
Generating electric energy from mechanical vibration using a piezoelectric circular membrane array is presented in this paper.The electrical characteristics of the functional array consisted of three plates with varies tip masses are examined under dynamic conditions.With an optimal load resistor of 11 k,an output power of 21.4 m W was generated from the array in parallel connection at 150 Hz under a pre-stress of 0.8 N and a vibration acceleration of9.8 m/s2.Moreover,the broadband energy harvesting using this array still can be realized with different tip masses.Three obvious output power peaks can be obtained in a frequency spectra of 110 Hz to 260 Hz.The results show that using a piezoelectric circular diaphragm array can increase significantly the output of energy compared with the use of a single plate.And by optimizing combination of tip masses with piezoelectric elements in array,the frequency range can be tuned to meet the broadband vibration.This array may possibly be exploited to design the energy harvesting for practical applications such as future high speed rail.