DEFECT DETECTION METHOD AND APPARATUS FOR CUSHION LAYER OF CABLE, DEVICE, AND STORAGE MEDIUM
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United States of America Patent
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Issued Date -
Jul 18, 2024
app pub date -
Aug 9, 2022
filing date -
Mar 16, 2022
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Abstract
The present disclosure provides a defect detection method and apparatus for a cushion layer of a cable, a device, and a storage medium. The method includes: obtaining specification parameters of a corrugated sheath of a to-be-detected cable, calculating a first volume of a cushion layer without deformation and a second volume of a deformed portion of the cushion layer when the cushion layer is deformed under stress, and calculating a stressed-state deformation ratio of the cushion layer based on the first volume and the second volume; obtaining a voltage, a current, an electrode area, an electrode distance, and an initial electrode distance of the cushion layer when the stressed-state deformation ratio is reached, and calculating volume resistivity of the cushion layer; and comparing the volume resistivity with a preset evaluation parameter to obtain a defect detection result of the cushion layer.
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