汽车底盘加装功能性护板对噪声控制分析  

Study on Noise Control of Adding Protection Plate to Automobile Chassis

作　　者：姚艳春[1] 王国权[1] 杜春英[2] 李向楠[3] 仝雄康 

机构地区：[1]北京信息科技大学机电工程学院,北京100192 [2]五邑大学机电工程学院,广东江门529020 [3]天津科技大学机械工程学院,天津300222 [4]陕西新丰泰汽车责任有限公司,陕西西安710016

出　　处：《汽车零部件》2013年第4期65-67,73,共4页Automobile Parts

摘　　要：振动与噪声问题是影响汽车乘坐舒适性的重要因素,车辆行驶时轮胎—路面噪声、风激励噪声、动力传动系统等产生噪声都不可避免地传到车内。为提高车内人员的乘坐舒适性和降低汽车的通过噪声,提出采用GMT材料在汽车底盘处加装功能性护板,给出两种能够吸收噪声的底盘功能性护板方案;建立控制整体噪声的系统模型,达到减少车内噪声和通过噪声的目的。对总体设计方案和实际应用时需考虑相关因素进行分析。The vibration and noise problem is an important factor affecting the vehicle riding comfort. When the vehicle is traveling, the tire-road noise, wind noise and noise generated by power system are inevitably transmitted to the vehicle interior. To improve the riding com- fort of the driver and reduce the noise of the car pass-by, GMT material was used to make protection plate which was installed at the car chas- sis cover. Two kinds of chassis protection plate cover programs were propose by which noise could be absorbed. A system model to control the overall noise was established to reduce interior noise and pass-by noise. Overall design program and relevant factors should be taken into ac- count were analyzed.

关 键 词：功能性护板 车内噪声 通过噪声 汽车乘坐舒适性 

分 类 号：U463.1[机械工程—车辆工程]