利用压电效应进行水下声能量收集的研究
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中国船舶集团有限公司第七一○研究所

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An Underwater Remote Charging Method Based on Underwater acoustic Energy Harvest
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1.No.710 R&2.D Institute ,CSSC

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    摘要:

    为了解决水下低功耗无人设备的供能问题,给出了一种针对水下航行设备所发射特定频段的水声信号进行捕获和能量收集的方法。进行了对方法中所涉及的能量收集器的数学建模与仿真分析,证明方法的理论可行性。最后基于仿真结果与设计参数对系统进行试验设计,发现水声信号在400Hz,186dB时,采用30mm×40mm的单涂层压电陶瓷可以产生最大输出电压,为2.69V。使用能量收集器对该能量进行收集储存,测得其最大输出功率为315nW,证明该方法切实可行。

    Abstract:

    In order to solve the energy supply problem of underwater low-power unmanned equipment, a method of capturing and collecting energy for vehicle in specific frequency bands is presented. The mathematical modeling and simulation analysis of the energy collector involved in the method are carried out to prove the theoretical feasibility of the method. Finally, based on the simulation results and design parameters, the experimental design of the system is carried out. It is found that when the underwater acoustic signal is 400Hz, 186dB, the maximum output voltage can be generated by using 30mm×40mm single-coated piezoelectric ceramics, which is 2.69V. The energy is collected and stored by an energy collector, and the maximum output power is 315nW, which proves that the method is feasible.

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历史
  • 收稿日期:2023-06-13
  • 最后修改日期:2023-07-24
  • 录用日期:2023-08-21
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