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磁力耦合道路能量收集设计与动力学分析

邹鸿翔 郭丁华 甘崇早 唐曙光 袁俊 魏克湘 张文明

邹鸿翔, 郭丁华, 甘崇早, 唐曙光, 袁俊, 魏克湘, 张文明. 磁力耦合道路能量收集设计与动力学分析. 力学学报, 2021, 53(11): 2941-2949 doi: 10.6052/0459-1879-21-374
引用本文: 邹鸿翔, 郭丁华, 甘崇早, 唐曙光, 袁俊, 魏克湘, 张文明. 磁力耦合道路能量收集设计与动力学分析. 力学学报, 2021, 53(11): 2941-2949 doi: 10.6052/0459-1879-21-374
Zou Hongxiang, Guo Dinghua, Gan Chongzao, Tang Shuguang, Yuan Jun, Wei Kexiang, Zhang Wenming. Design and dynamic analysis of magnetic coupling road energy harvesting. Chinese Journal of Theoretical and Applied Mechanics, 2021, 53(11): 2941-2949 doi: 10.6052/0459-1879-21-374
Citation: Zou Hongxiang, Guo Dinghua, Gan Chongzao, Tang Shuguang, Yuan Jun, Wei Kexiang, Zhang Wenming. Design and dynamic analysis of magnetic coupling road energy harvesting. Chinese Journal of Theoretical and Applied Mechanics, 2021, 53(11): 2941-2949 doi: 10.6052/0459-1879-21-374

磁力耦合道路能量收集设计与动力学分析

doi: 10.6052/0459-1879-21-374
基金项目: 国家自然科学基金(11802091), 湖湘青年英才支持计划(2019RS2044)和湖南省自然科学优秀青年基金(2020JJ3019)资助项目
详细信息
    作者简介:

    魏克湘, 教授, 主要研究方向: 动力学与控制、机械能量采集. E-mail: kxwei@hnie.edu.cn

  • 中图分类号: TP212

DESIGN AND DYNAMIC ANALYSIS OF MAGNETIC COUPLING ROAD ENERGY HARVESTING

  • 摘要: 通过在交通环境布置无线传感器等小型机电系统, 实现交通状况监测、交通系统管控、交通设施健康状态监测等, 可以使交通系统更加安全、有序、高效地运行. 但是, 如何为这些广泛分布的小型机电系统供能?本文提出了一种磁力耦合道路能量收集设计, 用以收集车辆滚压能量并转换成电能. 通过磁力耦合进行无接触能量传递, 减小了装置受到的冲击并使得装置具有良好密封性, 从而提升装置的鲁棒性. 通过升频齿轮机构、棘轮机构将车辆滚压激励转换为高速单向旋转, 并且通过换向齿轮机构能够继续收集复位弹性势能, 提高了收集装置的输出功率. 基于磁力耦合道路能量收集系统的工作原理建立了机电耦合动力学模型. 数值仿真探究了减速带限位距离和复位弹簧刚度等关键设计参数对能量采集系统动力学和电学性能的影响. 能量采集系统在车速为50 km/h时最大输出电压为76.28 V, 最大功率为59.94 W. 磁力耦合道路能量收集装置可以成为未来智慧交通系统的重要组成部分, 俘获交通环境能量为交通环境中小型机电系统提供可持续的绿色无碳电力.

     

  • 图  1  全密封高鲁棒性磁力耦合道路能量收集装置. (a)应用场景, (b)车辆行驶过程, (c)结构简图及传动

    Figure  1.  Fully sealed high robust magnetic coupling road energy harvesting device. (a) Application scenario, (b) vehicle running process, (c) structure and transmission

    图  2  装置运作原理图

    Figure  2.  Schematic diagram of device operation

    图  3  机电转换原理图

    Figure  3.  Schematic diagram of electromechanical conversion

    图  4  减速带限位和减速带复位弹簧刚度对齿条和减速带速度的影响

    Figure  4.  Effects of speed bump limit and resetting spring stiffness on the speed of rack and speed bump

    5  减速带限位和复位弹簧刚度对系统电压和功率的影响

    5.  Effects of speed bump limit and reset spring stiffness on system voltage and power

    图  5  减速带限位和复位弹簧刚度对系统电压和功率的影响(续)

    Figure  5.  Effects of speed bump limit and reset spring stiffness on system voltage and power (continued)

    图  6  齿条质量和齿条复位弹簧刚度对齿条速度影响

    Figure  6.  Effects of rack mass and resetting spring stiffness on rack speed

    图  7  系统电学响应随车速变化

    Figure  7.  Electrical response of the system varies with the speed

    图  8  系统输入功输出功对比图

    Figure  8.  Diagram of system input and output work comparison

    表  1  仿真参数设置

    Table  1.   Simulation parameter setting

    ParameterSymbolValue
    excitationF/kN5
    Mass of speed bumpm1/kg5
    mass of lifting platem2/kg5
    equivalent damping of speed bumpc1/(N·s·m−1)200
    equivalent damping of lifting platec2/(N·s·m−1)60
    equivalent damping of magnet platec3/(N·s·m−1)0.02
    resetting spring stiffness of speed bumpk1/(kN·m−1)3
    resetting spring stiffness of lifting platek2/(kN·m−1)3
    inductance coefficientζ0.05
    moment of inertia of magnet plateJ/(kg·m−2)0.0143
    electromagnetic loadR100
    electromagnetic equivalent coefficientK0.045
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出版历程
  • 收稿日期:  2021-08-04
  • 录用日期:  2021-09-12
  • 网络出版日期:  2021-09-13
  • 刊出日期:  2021-11-18

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