在市场需求分析的基础上设计了一种以单片机为核心元件的自动化程度较高的具有自动校准和动态修正补偿功能的汽车高压点火线束电阻检测台。介绍了系统的工作流程、工作原理、硬件电路及软件算法。实际运行结果证明:该检测台不仅能大大提高生产检测的效率和精度,减轻检测工人的劳动强度,而且能降低了生产成本,对发展具有我国自主知识产权的汽车高压点火线束的检测设备具有重要意义。 On the basis of market demand analysis, a kind of automotive high voltage ignition wire harness resistance testing station with auto-calibration and dynamic compensation function is designed with the single-chip microcomputer as the core component. The system workflow, working principle, hardware circuit and software algorithm are introduced. The actual operation results show that the test bench can not only greatly improve the efficiency and accuracy of production testing, reduce the labor intensity of testing workers, but also reduce the production cost, which is of great importance to the development of testing equipment for high voltage ignition harness of automobiles with independent intellectual property rights in our country significance.