电器与能效管理技术 ›› 2026, Vol. 0 ›› Issue (9): 11-16.doi: 10.16628/j.cnki.2095-8188.2026.09.002

• 研究与分析 • 上一篇    下一篇

电连接器信号瞬断故障监测系统的设计

陈泓成, 张超, 廖钰琛, 张寅楠, 何育斌, 任万滨   

  1. 哈尔滨工业大学 电气工程及自动化学院, 黑龙江 哈尔滨 150001
  • 收稿日期:2026-05-12 出版日期:2026-09-30 发布日期:2026-10-16
  • 作者简介:陈泓成(2004—),男,硕士研究生,研究方向为连接器瞬断机理与检测技术。|张 超(1993—),男,助理研究员,研究方向为电接触理论与工程应用。|廖钰琛(2002—),男,硕士研究生,研究方向为连接器电性能测试与评价技术。
  • 基金资助:
    国家自然科学基金项目(52407166);航空科学基金项目(ASFC-20240002077001)

Design of Signal Intermittent Fault Monitoring System for Electrical Connectors

Chen Hongcheng, Zhang Chao, Liao Yuchen, Zhang Yinnan, He Yubin, Ren Wanbin   

  1. School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, China
  • Received:2026-05-12 Online:2026-09-30 Published:2026-10-16

摘要:

振动、冲击、温变等应力环境易使电连接器出现信号瞬断失效现象。为精准评估环境应力水平对电连接器可靠性的影响,提出了集成8路接触电阻与瞬断故障信号连续监测于一体的系统架构。设计的四线法测量电路可实现1 mΩ~10 Ω的电阻精准测试与高速采集,设计的基于现场可编程门阵列(FPGA)的瞬断监测电路可实现低至100 ns的瞬断时间精准捕捉。系统具有多通道独立采集、同步传输与并行解析的特色。测试结果表明,开发的监测系统能够满足电连接器可靠性试验评估及失效机理研究的需求。

关键词: 电连接器, 接触电阻, 连续监测, 瞬断故障

Abstract:

Electrical connectors are highly susceptible to signal intermittent faults under stress environments such as vibration,shock,and temperature variation.Therefore,to accurately evaluate the influence of environmental stress levels on the reliability of electrical connectors,a system architecture integrating continuous monitoring of 8-channel contact resistance and intermittent fault signals is proposed.The designed four-wire measurement circuit enables accurate measurement and high-speed acquisition of resistance in the range of 1 mΩ to 10 Ω,and the designed FPGA-based intermittent fault monitoring circuit enables precise capture of intermittent fault events with a minimum duration of 100 ns.The proposed system is characterized by independent acquisition,synchronous transmission,and parallel analysis of multi-channel signals.Test results demonstrate that the developed monitoring system can meet the requirements of reliability test evaluation and failure mechanism research of electrical connectors.

Key words: electrical connector, contact resistance, continuous monitoring, intermittent fault

中图分类号: