Electrode Plate Slitting With Visual Feedback and Deviation Correction

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Solution Overview

Problem

Manufacturing errors in electrode plates of battery cells lead to inconsistencies in dimensions and material distribution, affecting the quality of the battery cell.

Innovation Solution

A device and method utilizing closed-loop feedback control to adjust the positions of electrode plates through deviation correcting mechanisms, ensuring precise cutting and slitting of tabs and electrode plates using visual detecting mechanisms and a control unit to minimize manufacturing errors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If traditional manufacturing processes are used for electrode plates, then production efficiency is maintained, but manufacturing precision and dimensional consistency deteriorate

Engineering Contradiction:
Improvedimensional consistency of electrode platesVSAvoidcomplexity of manufacturing system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent implements a closed-loop feedback control system where visual detecting mechanisms capture images of the electrode plate, the control unit processes these images to determine actual positions and dimensions, and deviation correcting mechanisms adjust positions based on calculated deviations from target values. This feedback loop continuously monitors and corrects manufacturing parameters to maintain high precision.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces traditional mechanical measurement and positioning systems with a visual detection system using cameras and image processing. The control unit uses optical images to determine the position and dimensions of the electrode plate, substituting mechanical gauges and manual measurement with non-contact optical methods.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Manufacturing precision

If manual positioning and cutting methods are used, then equipment complexity is reduced, but manufacturing precision and quality consistency worsen

Engineering Contradiction:
Improvecutting and slitting precision of electrode platesVSAvoidlevel of automated control
Core Design Contradiction:
Manufacturing precisionVSExtent of automation

Solution Approach 1:

The manufacturing system performs self-correction by automatically detecting its own deviations through visual mechanisms and adjusting its own positioning through deviation correcting mechanisms controlled by the control unit. The system monitors and regulates its own operation without external intervention, achieving consistent precision automatically.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system uses real-time visual feedback from cameras to monitor the position and dimensions of the electrode plate during manufacturing. The control unit processes this feedback information and automatically adjusts cutting and slitting operations to maintain precision, creating a closed-loop control system.

Inventive Principle:
Principle #23Feedback

3Manufacturing precision

If automated positioning systems are implemented, then manufacturing precision improves, but device complexity and initial cost increase

Engineering Contradiction:
Improveposition accuracy of electrode platesVSAvoidnumber of correcting mechanisms and detectors
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The visual detecting mechanisms serve multiple functions: they detect the position of the electrode plate, measure dimensions, identify deviations from target values, and provide feedback for correction. The control unit performs multiple tasks including image processing, deviation calculation, and control signal generation, making the system multi-functional despite using a unified platform.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Data Source

PatentUS20250303602A1Device and method for manufacturing electrode plate of battery cell
Publication Date: 2025.10.02 CONTEMPORARY AMPEREX TECHNOLOGY CO LTD
  • US20250303602A1 patent drawing
  • US20250303602A1 patent drawing
  • US20250303602A1 patent drawing

AI summary

Disclosed area a device and a method for manufacturing an electrode plate of a battery cell. The device includes: a tab die cutting unit; a first visual detecting unit for a first surface side of the electrode plate; an electrode plate slitting unit; a second visual detecting unit for a second surface side opposite to the first surface side of the electrode plate; a first deviation correcting unit upstream of the electrode plate slitting unit; and a second deviation correcting unit downstream of the electrode plate slitting unit.