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Author:

吴斌 (吴斌.) (Scholars:吴斌) | 薛彦全 (薛彦全.) | 刘秀成 (刘秀成.) (Scholars:刘秀成) | 何存富 (何存富.) (Scholars:何存富)

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incoPat zhihuiya

Abstract:

一种高压电线缺陷检测用柔性磁致伸缩和涡流一体化传感器,属于电磁声学传感器技术领域。外层磁致伸缩传感器用柔性印刷线圈和内层涡流传感器用柔性印刷线圈印刷于基板上,该柔性印刷线圈可卷曲成柱状紧贴于高压输电线表面以形成螺线管线圈,经连接器卡固后安装于被测输电线以进行缺陷检测,解除卡固状态后可从输电线表面拆除。该一体化传感器既可基于磁致伸缩效应,在输电线中激励出纵向模态超声导波,对输电线进行全结构缺陷检测,并实现对缺陷的轴向定位;也可基于涡流效应,利用多通道涡流传感器,检测输电线中缺陷引起的传感器检测线圈的复阻抗变化,实现对缺陷的周向定位;同时,基于涡流场的集肤效应,可确定出缺陷在输电线中的深度位置。

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Patent Info :

Type: 发明授权

Patent No.: CN201210325356.3

Filing Date: 2012-09-05

Publication Date: 2015-04-29

Pub. No.: CN102841132B

Applicants: 北京工业大学

Legal Status: 未缴年费 ; 一案双申

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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