浮桥监测系统用新型压电电源的研究
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Research on A New Piezoelectric Power Supply for Floating Bridge Monitoring System
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    摘要:

    为解决浮桥监测系统网络节点供电问题,该文设计了一种新型压电电源,其最大特点是采用了以弹簧 质量块组件为核心的自维持压电结构,它将浮桥架设、撤收及通载状态中产生的机械能转换为振动激励源,以延长载荷持续效果并相应延长电源供电时间,解决了现有压电电源供电时间短的缺点。利用ANSYS进行自维持压电结构动态发电特性仿真分析,模拟自维持压电结构产生的电压分布情况,定性分析了相关参数对发电特性的影响规律;制作了原理样机,搭建了马希特锤击机试验系统以浮桥工作环境中的冲击试验,通过试验考核理论研究与试验结果的吻合程度。研究结果表明,该电源结构能高效收集冲击能量,提高了机电转换效率。

    Abstract:

    To solve power supply problem of wireless network nodes for floating bridge status monitoring system,this paper designs a kind of self sustaining piezoelectric power supply.It converts the mechanical energy which produced in the floating bridge′s work environment into vibration excitation source,so as to extend the load′s continuous effect and correspondingly extend the power supply time.The ANSYS software was used to simulate the dynamic power generation characteristics of self sustaining piezoelectric structure carry out the qualitative analysis of the effect of principle of the relevant parameters on the power generation characteristics.Then the Maxite hammer machine test system was built to simulate the impact test. The research results show that the new power supply is able to collect the impact energy efficiently, and improve the electromechanical conversion efficiency greatly.

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黎晖,王彪,沈冬祥,钟小生.浮桥监测系统用新型压电电源的研究[J].压电与声光,2015,37(1):162-166. LI Hui, WANG Biao, SHEN Dongxiang, ZHONG Xiaosheng. Research on A New Piezoelectric Power Supply for Floating Bridge Monitoring System[J]. PIEZOELECTRICS AND ACOUSTOOPTICS

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  • 在线发布日期: 2015-01-22
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