某纯电动客车的车内低频噪声压耳现象及解决措施  

Ear Pressure Phenomenon and Its Solution to Low-frequency Noise Inside a Pure Electric Bus

作　　者：陈小评 CHEN Xiaoping(Xiamen King Long United Automotive Industry Co.,Ltd.,Xiamen 361023,China;Key Laboratory of Bus Safety and Power-saving Technology Enterprises of Fujian Province,Xiamen 361023,China)

机构地区：[1]厦门金龙联合汽车工业有限公司,福建厦门361023 [2]福建省客车安全与节能技术企业重点实验室,福建厦门361023

出　　处：《客车技术与研究》2024年第6期15-18,共4页Bus & Coach Technology and Research

摘　　要：针对某型纯电动城市客车在行驶中存在的车内低频噪声压耳现象进行研究。首先,通过试验测试及数据分析,确定压耳现象形成机理;然后,基于CAE仿真制定车身结构的优化方案;最后,通过实车验证,表明优化方案可行,压耳现象得到解决。This paper studies the ear pressure phenomenon of low-frequency noise in a pure electric city bus during its operation.Firstly,it determines the mechanism of ear pressure phenomenon through experimental testing and data analysis.Subsequently,it formulates an optimization scheme for the vehicle body structure based on CAE simulation.Finally,it shows that the optimization scheme is feasible and the ear pressure phenomenon is solved through the real vehicle verification.

关 键 词：纯电动客车 低频噪声 压耳现象 声固耦合 

分 类 号：U461.4[机械工程—车辆工程]