电子电工产品低气压试验方法优化研究

Study on optimization of low pressure test methods for electronic and electrical products

目的探讨电子电工产品低气压试验方法的局限性,提出优化和改进试验方法的途径。方法分析低气压环境对电子产品性能、可靠性和寿命的影响,总结低气压试验在电子产品可靠性评估中的重要作用。从试验设备、试验条件、测试点布置和数据处理方法四个方面,提出改进低气压试验方法的建议。结果针对试验设备,提出采用新型真空泵、高真空腔体材料,优化密封结构,引入精密温控算法;针对试验条件,提出根据产品使用环境,合理选取气压值、变化速率,匹配温度条件,兼顾试验效率和失效激励;针对测试点布置,提出重点关注关键器件和薄弱结构,采用合适的布线材料和走向设计;针对数据处理方法,建议引入机器学习、信号处理等新方法,挖掘失效规律和性能趋势,注重分析结果的可视化呈现。结论加强低气压试验方法研究,对提升电子产品可靠性,推动其在轨道交通、航空航天等领域应用具有重要意义,需要产学研各界共同努力。

Objective To explore the limitations of the low air pressure test methods for electronic and electrical products,and to propose ways to optimize and improve the test methods.Methods To analyze the influence of low air pressure environment on the performance,reliability and life of electronic products,and to summarize the important role of low air pressure test in the reliability assessment of electronic products.From the four aspects of test equipment,test conditions,test point arrangement and data processing methods,suggestions are made to improve the low air pressure test methods.Results For the test equipment,it is proposed to adopt new vacuum pumps,high vacuum chamber materials,optimize the sealing structure,and introduce precise temperature control algorithms;for the test conditions,it is proposed to reasonably select the air pressure value and rate of change according to the product environment,match the temperature conditions,and take into account the test efficiency and failure incentives;for the test point layout,it is proposed to focus on the key devices and weak structures,and adopt suitable wiring materials and direction design;for the data processing method,it is proposed to improve the low air pressure test method.For the data processing method,it is suggested to introduce new methods such as machine learning and signal processing to explore the failure law and performance trend,and focus on the visualization of the analysis results.Conclusion Strengthening the research on low air pressure test methods is of great significance to enhance the reliability of electronic products and promote their application in rail transportation,aerospace and other fields,which requires the joint efforts of industry,academia and research institutes.