| 安检设备辐射噪声分析与控制 |
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| 引用本文： | 李娜,李志远,梁石磊.安检设备辐射噪声分析与控制[J].机械,2009,36(7):65-68. |
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| 作者姓名： | 李娜 李志远 梁石磊 |
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| 作者单位： | 1. 合肥工业大学,机械与汽车工程学院,安徽,合肥,230009
2. 上海英迈吉东影图像设备有限公司,上海,201206 |
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| 摘 要： | 以某型安检设备为研究对象，进行噪声振动测试分析，获得噪声和振动频谱。通过理论分析和计算确定噪声频谱图中各噪声峰值对应的噪声源及其传播途径，并同步采集主要噪声源部件的振动加速度信号。对振动和噪声信号进行频谱分析及相干性分析，指出电动机为该安检设备的主要噪声源，在初步采取减振、降噪措施后，噪声下降3．9dB（A）。
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| 关 键 词： | 安检设备 电动滚筒 噪声测试 频谱分析 |
Analysis and control for the radiation noise of security inspection equipment |
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| LI Na,LI Zhi-yuan,LIANG Shi-lei.Analysis and control for the radiation noise of security inspection equipment[J].Machinery,2009,36(7):65-68. |
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| Authors: | LI Na LI Zhi-yuan LIANG Shi-lei |
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| Affiliation: | 1.Hefei University of Technology;Hefei 230009;China;2.Shanghai Eastimage Equipment Co.;Ltd;Shanghai 201206;China |
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| Abstract: | Taking the Security Inspection Equipment as the research object,this paper makes noise and vibration experiment,obtains the noise and vibration spectrum.Through theoretical computation and analysis,the signal coming from the main parts is collected .Through analysis of the noise and vibration spectrum the source of noise is the electric motor .After the measurement of vibration and noise control,the noise is dropped 3.9dB(A). |
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| Keywords: | security inspection equipment drum motor noise testing frequency spectrum analysis |
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