An experimental device for impedance characteristic research of flexible flaw detection sensor

By designing an experimental device for flexible flaw detection sensors, the problem of the lack of experimental devices in the existing technology is solved. Flaw detection of flexible flaw detection sensors in a two-dimensional plane is realized, and impedance response data of the sensors under different conditions are obtained, which supports the performance research of flexible flaw detection sensors.

CN114935588BActive Publication Date: 2026-07-24CENT SOUTH UNIV
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Patent Information

Application Number
CN202210335747.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-03-21
Publication Date
2026-07-24
Estimated Expiration
2042-03-21

AI Technical Summary

Technical Problem

The lack of fully functional and technologically mature experimental equipment for the study of impedance characteristics of flexible flaw detection sensors has limited the development of prototype flexible flaw detection sensors.

Method used

An experimental device comprising a support module, a control module, and a data acquisition module was designed. The relative position of the flexible flaw detection sensor and the target object is controlled by a fixed support unit and a movable support unit, and impedance data is acquired using an impedance analyzer and a microprocessor.

Benefits of technology

This invention enables flaw detection of targets in a two-dimensional plane and acquires impedance response data of flexible flaw detection sensors at different frequencies, defect locations, depths, widths, and scanning angles, providing an experimental environment for performance research of flexible flaw detection sensors.

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Abstract

The present application relates to a kind of experimental apparatus for the impedance characteristic study of flexible flaw detection sensor, belong to sensing technology field.The experimental apparatus includes bearing module, regulation and control module and acquisition module.Bearing module is composed of fixed bearing unit and movable bearing unit;Regulation and control module is composed of two-dimensional moving platform and its controller;Acquisition module is composed of impedance analyzer and microprocessor.Flexible flaw detection sensor is placed on fixed bearing unit, target object is placed on movable bearing unit, two-dimensional moving platform parameters are set using controller, movable bearing unit is controlled to move to change the relative position between flexible flaw detection sensor and defect in target object, and the impedance value of flexible flaw detection sensor is recorded by impedance analyzer and collected in microprocessor.The experimental apparatus designed in the present application can obtain the impedance response data of flexible flaw detection sensor for different positions and shape defects in target object, and provides experimental environment and conditions for performance research and prototype development of flexible flaw detection sensor.
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