Battery cell detection method, electronic device and detection system

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The battery cell image is processed through image recognition technology, and the state data of the hot indentation marks and the battery cell edges are calculated, which solves the problem of low efficiency and accuracy of battery cell air-avoiding distance detection in the prior art, achieving more efficient and accurate battery cell detection.

CN119197318BActive Publication Date: 2025-03-28CATL (JIANGSU) NEW ENERGY TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202411597220.7
Authority / Receiving Office: CN · China
Patent Type: Patents(China)
Current Assignee / Owner
Filing Date: 2024-11-11
Publication Date: 2025-03-28
Estimated Expiration: 2044-11-11

Application Information

Patent Timeline

11 Nov 2024

Application

CN202411597220.7

28 Mar 2025

Publication

CN119197318B

IPC: G01B11/00; G01B11/14; H01M10/04

CPC: G01B11/002; G01B11/14; H01M10/04; Y02E60/10

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Application Domain

Secondary cells manufacture Using optical means

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AI Technical Summary

Technical Problem

In the prior art, the air-avoiding distance of the bare battery cell is usually not identified, or it is manually simple inspection, resulting in low detection efficiency and accuracy, and inconsistent detection standards.

Method used

The target cell image is processed through image recognition technology, the area of interest is determined, edge detection is performed, and the status data of the thermal indentation and edge of the cell are calculated to determine whether the thermal press of the cell is qualified.

Benefits of technology

It improves the efficiency and accuracy of battery cell detection, makes the detection more automated and unified, reduces manual intervention, and enhances the reliability of the detection results.

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Abstract

The present application relates to the field of battery detection technology, and specifically provides a battery cell detection method, electronic device and detection system, wherein the method may include: identifying a target battery cell image to determine a region of interest; wherein the region of interest includes a thermal indentation of the target battery cell and an edge of the target battery cell; performing edge detection on the region of interest to determine the thermal indentation and battery cell edge in the region of interest; and calculating the thermal indentation and the battery cell edge to determine thermal pressure state data.

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