公开(公告)号：US20240085375A1

公开(公告)日：2024-03-14

申请号：US18510589

申请日：2023-11-15

Applicant: WEIHAI HUALING OPTO-ELECTRONICS CO., LTD.

Inventor： Wuchang QI ,  Kai ZHANG ,  Xiaofeng SUN ,  Pengtong WANG ,  Mingfeng SUN ,  Rongxin SONG

IPC: G01N27/82 ,  G01N33/2045

CPC classification number: G01N27/82 ,  G01N33/2045

Abstract: The present application provides a device for detecting a defect in a steel cord ply. The device is configured to obtain an enhanced magnetic field signal of the steel cord ply and detect a defect of the steel cord ply based on the enhanced magnetic field signal. The device includes a magnetic field unit including a permanent magnet configured to generate a background magnetic field; a signal obtaining unit configured to generate an enhanced magnetic field signal of a steel cord ply based on a plurality of first magnetic field signals and a plurality of second magnetic field signals; and a defect detecting unit configured to detect a defect of the steel cord ply based on the enhanced magnetic field signal, wherein the defect detecting unit includes an AD converting module, a signal processing module, a defect detecting module, a display module, and a control module.