高速综合检测列车降噪措施研究与效果分析  

Measures Study and Effect Analysis of Noise Reduction for High Speed Inspection Train

作　　者：张丽荣[1] 张志军[2] 王东川[2] 

机构地区：[1]中国北车集团唐山轨道客车有限责任公司,河北唐山063035 [2]汉高股份有限公司,上海201203

出　　处：《大连交通大学学报》2011年第6期5-8,13,共5页Journal of Dalian Jiaotong University

基　　金：国家863计划资助项目(2009AA110303)

摘　　要：以400 km/h高速综合检测列车噪声控制措施为例,在分析高速检测车的噪声来源的基础上,针对噪声产生的根源和有关噪声控制技术,分别采取车体高阻尼减震、设备舱隔音吸音、空调管路阻尼处理、制动单元吸音处理等降噪措施来降低车内噪声.从高速综合检测列车在静止状态和运行状态下的测试结果分析,针对车内采取的降噪措施,达到了预期的隔音降噪效果,整车声压值水平控制在68 dB以内.This paper shows the example of noise control measures for 400 km/h high speed inspection train and presents the measures study and effect analysis of noise reduction for high speed inspection train. Based on analyzing the source noise of high speed inspection train, aiming at reduce the source noise and noise path controlling technique, we used such noising reduction method as high damping on car body, sound insulation and absorbing material in equipment cabin, damping treatment in air condition tube and noise absorbing material in brake unit to reduce the sound pressure level in the train. The static and dynamic test results of the train shows that the noise reduction measures have reached the noise reduction target well. The sound pressure has been controlled bellow 68dB successfully.

关 键 词：高速列车 噪声 NVH 吸音 隔音 阻尼减振 设备舱降噪 声学包 

分 类 号：U270.16[机械工程—车辆工程]