|本期目录/Table of Contents|

[1]季舒安,金卫良,金英,等.基于电涡流效应的钢质体应变实时检测技术研究*[J].中国安全生产科学技术,2023,19(2):224-230.[doi:10.11731/j.issn.1673-193x.2023.02.031]
　JI Shuan,JIN Weiliang,JIN Ying,et al.Research on real-time detection technology of steel body strain based on eddy current effect[J].JOURNAL OF SAFETY SCIENCE AND TECHNOLOGY,2023,19(2):224-230.[doi:10.11731/j.issn.1673-193x.2023.02.031]
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基于电涡流效应的钢质体应变实时检测技术研究*
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《中国安全生产科学技术》[ISSN:1673-193X/CN:11-5335/TB]

卷:
19
期数:
2023年2期
页码:
224-230
栏目:
职业安全卫生管理与技术
出版日期:
2023-02-28

文章信息/Info

Title:
Research on real-time detection technology of steel body strain based on eddy current effect
文章编号:
1673-193X(2023)-02-0224-07
作者:
季舒安; 金卫良; 金英; 林正; 王森; 李青
（1.中国计量大学 机电工程学院，浙江 杭州 310018;
2.浙江省特种设备科学研究院，浙江 杭州 310020）
Author(s):
JI Shu’an;  JIN Weiliang;  JIN Ying;  LIN Zheng;  WANG Sen;  LI Qing
(1.College of Mechanical and Electrical Engineering,China Jiliang University,Hangzhou Zhejiang 310018,China;
2.Zhejiang Academy of Special Equipment Science,Hangzhou Zhejiang 310020,China)
关键词:
应变检测; 涡流传感器; 涡流效应; 钢质体
Keywords:
strain detection;  eddy current sensor;  eddy current effect;  steel body
分类号:
TH878
DOI:
10.11731/j.issn.1673-193x.2023.02.031
文献标志码:
A
摘要:
为避免特种设备中的钢质体结构因交变载荷过大而产生应变，从而造成局部区域应力集中、降低钢质体强度和承压能力，提出1种利用涡流效应评价钢质体应变状态方法，并研制出由涡流探头和信号处理系统组成的应变检测装置。利用万能拉伸机对Q235钢试件进行拉伸应变实验，分析电压有效值、拉力值随采样时间的变化规律，进而得到相关线性方程。研究结果表明：该装置能够敏感检测出钢质体不同应变阶段，且在弹性阶段内可通过直线拟合方程定量检测应变量。因此，可有效预防因应变过大而造成的钢质体结构失效，从而避免特种设备危险事故发生，一定程度上保护人们生命及财产安全。
Abstract:
In order to avoid the strain of steel body structure in special equipment due to the excessive alternating load,which will cause the local stress concentration and reduce the strength and bearing capacity of steel body,a method of evaluating the strain state of steel body by using the eddy current effect was proposed,and a strain detection device composed of eddy current probe and signal processing system was developed.The tensile strain experiment of Q235 steel specimen was carried out by the universal tensile machine,then the variation of voltage effective value and tensile value with sampling time was analyzed,and the relevant linear equation was obtained.The results showed that the device could sensitively detect each strain stage of steel body,and the strain could be quantitatively detected by linear fitting equation in the elastic stage.Therefore,it can effectively prevent the failure of steel body structure caused by excessive strain,so as to avoid the occurrence of dangerous accidents of special equipment and protect people’s life and property safety to a certain extent.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期： 2022-08-02
* 基金项目： 浙江省重点研发计划项目(2019C03114)
作者简介： 季舒安，硕士研究生，主要研究方向为特种设备无损检测。
通信作者： 李青，本科，教授，主要研究方向为动态测量与控制、传感技术。
更新日期/Last Update: 2023-03-07