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Author:

焦敬品 (焦敬品.) (Scholars:焦敬品) | 常予 (常予.) | 李光海 (李光海.) | 吴斌 (吴斌.) (Scholars:吴斌) | 何存富 (何存富.) (Scholars:何存富)

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incoPat zhihuiya

Abstract:

本发明公开了一种铁磁材料损伤检测用高灵敏度扫描式低频电磁传感器,属于无损检测领域。该传感器主要由稳压电源、引线接头、激励线圈、磁芯、磁屏蔽层、磁敏感元件、轴承滚轮和封装外壳组成。根据检测信号的变化规律,对磁芯形状、磁芯尺寸、绕线匝数、绕线长度和位置、磁屏蔽层厚度和层数进行了整体的优化设计,即在保证检测区域磁场均匀性的同时,使漏磁场强度尽量大,以获得最大的信号强度和检测灵敏度,实现缺陷的准确定位和识别。与常规漏磁传感器相比,低频电磁传感器优化了传感器结构,使其体积小,重量轻,可手持扫描,且受扫描速度影响小。此外,低频电磁传感器检测信号稳定,且信号强度和灵敏度较高,可实现在役设备的连续实时检测。

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Patent Info :

Type: 发明授权

Patent No.: CN201610901956.8

Filing Date: 2016-10-17

Publication Date: 2019-05-17

Pub. No.: CN106680741B

Applicants: 北京工业大学

Legal Status: 未缴年费

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: 6

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