基于汽车油箱振动噪声控制的隔振优化设计  

Optimization Design of Vibration Isolation Based on Noise Control of Fuel Tank Vibration of Vehicle

作　　者：崔振华 曾志新 付玉乐 龙书成 CUI Zhenhua;ZENG Zhixin;FU Yule;LONG Shucheng(Automotive Engineering Research Center,Guangzhou Automobile Group Co.,Ltd,Guangzhou 511434,China)

机构地区：[1]广州汽车集团股份有限公司汽车工程研究院,广东广州511434

出　　处：《橡胶工业》2020年第3期205-208,共4页China Rubber Industry

摘　　要：介绍基于汽车油箱振动噪声控制的隔振优化设计。根据油箱和车身动刚度实测数据及振动传递损失率要求,确定油箱隔振垫静刚度的设计目标值为50 N·mm^-1;利用仿真分析得到油箱隔振垫结构优化方案,并进行样件的单品静刚度测试,对比分析设计的准确性。整车NVH测试结果表明,油箱隔振垫结构优化后隔振效果较好。The optimization design of vibration isolation based on the noise control of the fuel tank vibration of vehicle was introduced.According to the measured data of the dynamic stiffness of the vehicle body and fuel tank,and the requirement of the vibration transmission loss rate,the design target value of the static stiffness of the fuel tank vibration isolation pad was determined to be 50 N·mm^-1.The structural optimization scheme of the fuel tank vibration isolation pad was obtained by simulation analysis,and the static stiffness was measeured in order to analyze and confirm the accuracy of the design.The vehicle NVH test results showed that the vibration isolation effect was better after the structure optimization of the fuel tank vibration isolation pad.

关 键 词：汽车 油箱 噪声 隔振垫 动刚度 静刚度 NVH性能 仿真分析 

分 类 号：TQ336.42[化学工程—橡胶工业]