Battery Electrode Coating Head With Feedback Flow Adjustment
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Solution Overview
Problem
The current electrode plate coating process in battery manufacturing suffers from low adjustment accuracy and delays in adjusting the discharge amount of the coating apparatus, leading to reduced coating quality and efficiency.
Innovation Solution
A coating apparatus with a control assembly that detects the actual surface density of the coating in real-time and adjusts the flow area of the discharge port based on the difference between the actual and target surface densities, using an adjustment assembly to timely and accurately control the discharge amount.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual adjustment method is used for discharge amount, then device complexity is reduced, but adjustment accuracy and response speed deteriorate
Solution Approach 1:
The patent implements a closed-loop feedback control system where the detection assembly continuously monitors the actual surface density of the coating, compares it with the target value, and automatically adjusts the discharge amount through the adjustment assembly. This feedback mechanism eliminates manual adjustment delays and achieves high precision control of coating uniformity.
Solution Approach 2:
The patent replaces manual mechanical adjustment with an automated control system comprising a control assembly that receives detection signals and automatically actuates the adjustment assembly. This substitution of manual operation with automated control system resolves the contradiction by achieving high adjustment accuracy and rapid response without proportionally increasing overall system complexity.
2Reliability
If real-time detection and automatic control are implemented, then coating quality is improved, but device complexity increases
Solution Approach 1:
The detection assembly continuously monitors the actual surface density of the coating in real-time, providing feedback to the control assembly. This closed-loop feedback ensures that any deviations from the target surface density are immediately detected and corrected, thereby guaranteeing high coating quality and consistency throughout the coating process.
Solution Approach 2:
The control assembly automatically adjusts the discharge amount based on the feedback from the detection assembly, enabling the system to self-correct coating deviations without external intervention. This self-service capability ensures consistent coating quality while minimizing the need for complex external control mechanisms.
3Manufacturing precision
If adjustment assembly is added to control discharge port flow area, then coating precision is improved, but device complexity increases
Solution Approach 1:
The adjustment assembly dynamically adjusts the flow area of the discharge port based on real-time coating quality feedback. By making the discharge port adjustable rather than fixed, the system can adapt to variations in coating conditions, achieving high coating precision. The dynamic adjustment capability is integrated into the existing coating head structure, minimizing additional complexity.
Data Source
AI summary
A coating apparatus includes: a coating die head having a discharge port; an adjustment assembly disposed on the coating die head; and a control assembly connected to the adjustment assembly. The control assembly is configured to detect an actual surface density of coating on an electrode plate and control the adjustment assembly to adjust a flow area of the discharge port based on a difference between the actual surface density and a target surface density.