Test and Analysis of Inner Noise of Automobiles

doi:10.3969/j.issn.1006-1335.2013.05.018

›› 2013, Vol. 33 ›› Issue (5): 82-85.DOI: 10.3969/j.issn.1006-1335.2013.05.018

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Test and Analysis of Inner Noise of Automobiles

Received:2012-11-21 Revised:2012-12-24 Online:2013-10-18 Published:2013-10-15

汽车车内噪声测试与分析

刘宗财 1，刘岩 1，贾艳宾 2，李博学 2，张晓娟 3，杨冰 4

( 1. 大连交通大学交通运输工程学院，辽宁大连 116028；2. 长城汽车股份有限公司，河北保定 071000；
3. 大连科技学院机械工程系，辽宁大连 116052； 4. 大连交通大学机械工程学院，辽宁大连 116028)

通讯作者: 刘宗财
基金资助:
大连市科技计划项目

Abstract

Abstract:

Test and analysis the noise of the different test points inside the car, research the distribution rule. The results show that the inner noise increase 4 dB (A) with the car’s speed increase 10 km/h. The noise between front seat and back seat has deviation, the frequency range is 125~200Hz and800~2000Hz. Wind noise can make deviation between left and right ears, the variation trend is become higher and then fall off with the speed’s increase. Sedan car’s inner noise of the back seat is better than the Hatchback car’s. These results are value of reference in noise control design of automobile.

摘要：

在不同工况下对试验样车车内的不同位置进行噪声测量和分析，研究车内噪声的分布规律。通过数据分析得出：车速度每升高10 km/h，频率范围在125～200 Hz和800～2 000 Hz，车内噪声增加4 dB；噪声在前后排座椅处存在差距，风噪声会使左右耳噪声值产生差距，差距会随着车速产生先变大后变小的规律；三厢车后排座椅噪声状况比两厢车要好。该研究结果对汽车减振降噪设计具有一定参考价值。

关键词: , 声学；汽车；车内噪声；分布规律

CLC Number:

U467.4+93

刘宗财 1，刘岩 1，贾艳宾 2，李博学 2，张晓娟 3，杨冰 4. 汽车车内噪声测试与分析[J]. 噪声与振动控制, 2013, 33(5): 82-85.

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Test and Analysis of Inner Noise of Automobiles

汽车车内噪声测试与分析

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