橡胶阻尼材料对吸油烟机NVH特性影响研究  

Research on the influence of rubber damping materials onthe NVH characteristics of range hoods

作　　者：张晓 吴勇[1,2] 郑健 胡希阳 吕鑫 张立鑫 ZHANG Xiao;WU Yong;ZHENG Jian;HU Xiyang;LV Xin;ZHANG Lixin(Qingdao Haier smart kitchen appliance Co.,Ltd.,Qingdao 266100;National Engineering Research Center of Digital Home Networking,Qingdao 266101)

机构地区：[1]青岛海尔智慧厨房电器有限公司,山东青岛266100 [2]数字家庭网络国家工程研究中心,山东青岛266101

出　　处：《家电科技》2024年第S01期557-560,共4页Journal of Appliance Science & Technology

摘　　要：为提升吸油烟机的NVH(Noise;Vibration;Harshness)性能,降低吸油烟机主箱钣金结构振动产生的辐射噪声,通过在吸油烟机主箱钣金结构粘贴橡胶阻尼材料,从而达到减振降噪的作用,同时对提升吸油烟机声品质特性也有良好的作用。通过对不同橡胶阻尼材料方案振动噪声测试数据的分析,橡胶阻尼材料能起到减振降噪和提升声品质的作用,其作用效果与粘贴位置、材料损耗因子属性、厚度均有一定的关系。各工况下的噪声值最大降低0.51分贝,振动量最大下降超65%,响度最大下降0.32 sone,尖锐度值整体变化不大。对于降低吸油烟机中低转速工况下的中低频段噪声,在吸油烟机合适的位置粘贴橡胶阻尼材料有很好的作用。To enhance the NVH(Noise,Vibration,Harshness)performance of the range hood,reduce the radiated noise generated by the vibration of the main box sheet metal structure,rubber damping materials are pasted on the main box sheet metal structure of the range hood to achieve the effect of vibration reduction and noise reduction.At the same time,it also has a good effect on improving the sound quality characteristics of the range hood.Through the analysis of the vibration and noise test data of different rubber damping material schemes,rubber damping materials can play a role in reducing vibration and noise and improving sound quality.The effect is related to the pasting position,the material loss factor properties,and the thickness.Under various working conditions,the noise value is reduced by up to 0.51 decibels,the vibration amount is reduced by more than 65%,the loudness is reduced by up to 0.32 sones,and the sharpness value changes little overall.For reducing the mid-low frequency noise under the mid-low speed working conditions of the range hood,pasting rubber damping materials at the appropriate position of the range hood has a good effect.

关 键 词：吸油烟机 NVH 橡胶阻尼材料 减振降噪 声品质 

分 类 号：TM925[电气工程—电力电子与电力传动] TB53[理学—物理]