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为研究装甲车辆舱室噪声特性,测量并分析了某型装甲车辆各个工况下舱室不同测点的噪声情况。结果表明:装甲车辆运行时,舱室噪声以低频成分为主且强度较高,超出了相关标准规定限值;变速行驶工况下,舱室噪声波动性较大,噪声污染级偏高,超出了听力保护的卫生范围。研究结果可为相关评估工作提供参考,也表明现用装甲车辆舱室噪声测试与评价标准有待完善。
In order to study the noise characteristics of the armored vehicle cabin, the noise of different measuring points of the cabin in each working condition of an armored vehicle was measured and analyzed. The results show that when the armored vehicle is operating, the cabin noise is dominated by low-frequency components and the strength is high, which is beyond the limits of the relevant standards. Under variable speed driving conditions, the cabin noise is more volatile and the noise pollution level is higher than the hearing ability Protection of the health area. The results of the study can provide reference for the related assessment work and also indicate that the testing and evaluation standards of the existing cabin noise of armored vehicles need to be improved.