Device for detecting magnetic anisotropy of ferromagnetic parts based on MBN method and use method thereof
By using a single-excitation multi-receiver coil and a movable arm assembly in the magnetic Barkhausen noise detection equipment, the problem of poor versatility of existing equipment is solved, enabling rapid and accurate detection of parts of different shapes.
CN117147677BActive Publication Date: 2026-01-06HEFEI UNIV OF TECH
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Patent Information
- Application Number
- CN202310819884.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-07-06
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2043-07-06
AI Technical Summary
Technical Problem
Existing magnetic Barkhausen noise detection equipment has poor versatility, is difficult to adapt to ferromagnetic parts of different shapes, and requires multiple measurements to accurately characterize the damage.
Method used
By combining a single excitation coil with multiple receiving coils and a movable arm assembly, it can adapt to parts of different shapes and achieve rapid and accurate magnetic anisotropy detection through continuous measurement.
Benefits of technology
It improves detection efficiency and accuracy, is suitable for rapid measurement of large parts, reduces external environmental interference, and enhances the versatility of the equipment.
✦ Generated by Eureka AI based on patent content.
Abstract
The present application relates to the technical field of ferromagnetic material nondestructive testing, more particularly, to a ferromagnetic part magnetic anisotropy detection device based on MBN method and a use method thereof.The detection device comprises a detection part, a signal generator and a signal processing part.The detection part comprises a single excitation coil and multiple receiving coils, wherein the receiving coils are adjusted in position by a movable arm assembly.The present application uses the combination of a single excitation coil and multiple receiving coils, can cover a larger detection area, is suitable for rapid measurement of large parts to be measured, and improves the detection efficiency.Moreover, the movable arm assembly ensures the adhesion of the receiving coils to the surface of the part to be measured, is suitable for different forms of parts to be measured, improves the versatility, and solves the poor versatility of the existing magnetic Barkhausen noise detection equipment.
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