[1]陈首虹,杨建红,范伟,等.交流接触器振动噪声测量方法及系统开发[J].华侨大学学报(自然科学版),2019,40(4):429-436.[doi:10.11830/ISSN.1000-5013.201903038]
 CHEN Shouhong,YANG Jianhong,FAN Wei,et al.Vibration and Noise Measurement Method ofAC Contactor and System Development[J].Journal of Huaqiao University(Natural Science),2019,40(4):429-436.[doi:10.11830/ISSN.1000-5013.201903038]
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交流接触器振动噪声测量方法及系统开发()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第40卷
期数:
2019年第4期
页码:
429-436
栏目:
出版日期:
2019-07-10

文章信息/Info

Title:
Vibration and Noise Measurement Method ofAC Contactor and System Development
文章编号:
1000-5013(2019)04-0429-08
作者:
陈首虹 杨建红 范伟 高丽华 杨凯 张认成
华侨大学 机电装备过程监测及系统优化福建省高校重点实验室, 福建 厦门 361021
Author(s):
CHEN Shouhong YANG Jianhong FAN Wei GAO Lihua YANG Kai ZHANG Rencheng
Key Laboratory of Process Monitoring and System Optimization for Mechanical and Electrical Equipmentof Fujian Province, Huaqiao University, Xiamen 361021, China
关键词:
交流接触器 振速法 振动 噪声 辐射指数
Keywords:
AC contactor vibration velocity method vibration noise sound radiation index
分类号:
TM572.2
DOI:
10.11830/ISSN.1000-5013.201903038
文献标志码:
A
摘要:
为了实现强背景噪声环境下交流接触器的噪声测量,开发基于振速法的噪声测量系统.首先,在消声室内,通过激光测振仪和传声器分别采集大量相同型号的交流接触器的振动信号和声压信号,计算并提取辐射指数.然后,测量一定数量相同型号的交流接触器运行时的表面振动,通过振速法,求得其噪声值.最后,将求得的噪声值与声级计的测量值进行对比.结果表明:当交流接触器的噪声为30~50 dB时,两种方法的测量误差为±1 dB;该测量系统能够通过振动强弱求得噪声值,并准确判定合格与否,不受背景噪声的影响.
Abstract:
In order to realize the noise measurement of AC contactor under strong background noise, a noise measurement system based on vibration velocity method was developed. First, the vibration signals and sound pressure signals of a large number of AC contactors with the same type were collected respectively by laser vibrometer and microphone in the anechoic chamber, and the radiation index was calculated and extracted. Then, the surface vibration of a certain number of AC contactors with the same type was measured, and the noise value was obtained by using the vibration velocity method. Finally, the obtained noise was compared with the measured value of sound level meter. The experimental results showed that when the noise of the AC contactor was between 30 and 50 dB, the measurement error of the two methods was within ±1 dB. The system can obtain the noise value through vibration strength, and accurately determine whether the AC contactor was qualified or not, which not affected by background noise.

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相似文献/References:

[1]杨建红,张认成,吴晓梅.交流接触器运行噪声的在线测量实验[J].华侨大学学报(自然科学版),2012,33(2):134.[doi:10.11830/ISSN.1000-5013.2012.02.0134]
 YANG Jian-hong,ZHANG Ren-cheng,WU Xiao-mei.On Experiments about On-Line Measuring of Running Noise for AC Contactor[J].Journal of Huaqiao University(Natural Science),2012,33(4):134.[doi:10.11830/ISSN.1000-5013.2012.02.0134]

备注/Memo

备注/Memo:
收稿日期: 2019-03-18
通信作者: 杨建红(1974-),男,副教授,博士,博士后,主要从事先进传感与检测技术的研究.E-mail:yjhong@hqu.edu.cn.
基金项目: 福建省自然科学基金资助项目(2017J01108, 2018J05082); 福建省高校产学合作项目(2016H6014); 福建省泉州市科技计划项目(2018C117R); 华侨大学科研基金资助项目(19BS103)
更新日期/Last Update: 2019-07-20