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电动汽车高压线束电磁脉冲压接装置的研制及实验

李成祥 沈婷 周言 吴浩 张炳飞 米彦

李成祥, 沈婷, 周言, 等. 电动汽车高压线束电磁脉冲压接装置的研制及实验[J]. 强激光与粒子束, 2022, 34: 079001. doi: 10.11884/HPLPB202234.210568
引用本文: 李成祥, 沈婷, 周言, 等. 电动汽车高压线束电磁脉冲压接装置的研制及实验[J]. 强激光与粒子束, 2022, 34: 079001. doi: 10.11884/HPLPB202234.210568
Li Chengxiang, Shen Ting, Zhou Yan, et al. Development and experiment of electromagnetic pulse crimping device for high-voltage wire harness of electric vehicles[J]. High Power Laser and Particle Beams, 2022, 34: 079001. doi: 10.11884/HPLPB202234.210568
Citation: Li Chengxiang, Shen Ting, Zhou Yan, et al. Development and experiment of electromagnetic pulse crimping device for high-voltage wire harness of electric vehicles[J]. High Power Laser and Particle Beams, 2022, 34: 079001. doi: 10.11884/HPLPB202234.210568

电动汽车高压线束电磁脉冲压接装置的研制及实验

doi: 10.11884/HPLPB202234.210568
详细信息
    通讯作者:

    李成祥,lichengxiang@cqu.edu.cn

  • 中图分类号: TM89

Development and experiment of electromagnetic pulse crimping device for high-voltage wire harness of electric vehicles

  • 摘要: 采用铝合金高压线束替代铜合金高压线束可帮助电动汽车减少重量、提高续航和降低成本。针对铝与铜由于金属性质差异难以可靠连接的问题,本文提出采用电磁脉冲压接技术连接铝合金高压线束与铜合金接线端子,并研制了一套适用于两者连接的电磁脉冲压接装置,其最大放电能量为28 kJ。压接过程中,随着放电电压的升高,接线端子表面的温度升高。当放电电压为12 kV时,实现了铝合金高压线束与铜合金接线端子的可靠连接。采用光学显微镜分析连接界面的微观结构,并测试其电气性能和机械性能。分析结果表明:电磁脉冲压接技术可实现铝合金高压线束与接线端子、铝合金芯线之间的冶金结合,且连接界面出现了波纹形貌与涡旋形貌。测试结果显示:接头接触电阻测试、振动测试、拉力负荷测试均满足汽车行业标准和电缆接头国家标准。
  • 图  1  高压线束与接线端子

    Figure  1.  Harness and terminal

    图  2  电磁脉冲压接平台示意图

    Figure  2.  Schematic diagram of electromagnetic pulse crimping (EMPC)

    图  3  不同放电电压时的电压电流波形测试结果

    Figure  3.  Voltage and current waveform of different discharge voltages

    图  4  压接接头样品

    Figure  4.  Crimping joint sample

    图  5  接线端子与高压线束连接界面的微观结构

    Figure  5.  Microstructure of connecting interface

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出版历程
  • 收稿日期:  2021-12-02
  • 修回日期:  2022-04-29
  • 录用日期:  2022-05-12
  • 网络出版日期:  2022-05-13
  • 刊出日期:  2022-05-12

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