Battery Plate Pack Testing via Continuous Conveyor Compression
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Solution Overview
Problem
Current methods for testing battery plate packs are discontinuous, time-consuming, and risk damaging compressible separator materials like glass fiber fleece, as they require individual insertion and removal, and do not ensure consistent compression strength for proper fit in battery housings.
Innovation Solution
A dynamic testing method using continuous conveyor belts to compress battery plate packs to a predefined dimension, measuring the forces involved, and assessing packs based on mean force values to ensure proper compression and prevent damage, with features like synchronous belt operation, adjustable belt width, and overload safeguards to prevent material destruction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If discontinuous testing with individual insertion and removal is used, then measurement precision is maintained, but productivity deteriorates
Solution Approach 1:
The patent implements continuous testing by conveying battery plate packs through a testing station on conveyor belts, eliminating the need for individual insertion and removal. Multiple packs are tested simultaneously in a continuous flow, transforming the discontinuous process into a continuous one that maintains measurement precision while dramatically improving productivity
2Manufacturing precision
If strong compression is applied to ensure proper fit, then manufacturing precision is improved, but object-affected harmful factors worsen due to separator material destruction
Solution Approach 1:
The patent incorporates force sensors that continuously measure the compression force applied to battery plate packs. The measured force values are fed back to a control system that compares them against predefined thresholds. If the force exceeds safe limits that could damage the separator material, the system automatically adjusts the compression to remain within safe parameters while still achieving the required dimensional precision
Solution Approach 2:
The patent dynamically adjusts compression parameters based on real-time force measurements. By monitoring the force-deformation relationship and identifying the inflection point where excessive compression begins, the system optimizes the compression parameter to achieve proper fit (15-40% compression) without exceeding the damage threshold of the separator material
3Productivity
If continuous conveyor belt testing is implemented, then productivity is improved, but device complexity worsens
Solution Approach 1:
The patent designs the testing station with universal components that serve multiple functions. The conveyor belts both transport the battery plate packs and apply the compression force. The force sensors simultaneously measure compression force and detect pack presence. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in device complexity while maintaining high productivity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid assessment of battery plate packs within 1.5 seconds, ensuring proper fit and functionality by preventing excessive compression, identifying faulty packs, and ensuring consistent quality by measuring forces and weights continuously, thus optimizing production efficiency.
Implementation Method 1
the battery plate packs that are to be tested being run between two bands and being compressed in doing so
Implementation Method 2
the force acting on the bands being measured
Data Source
AI summary
In order to test battery plate packs (12, 13), the battery plate packs are transported between conveyor belts (5, 6) while compressed to a specified thickness, and the force required for the compression is detected by measuring cells (14) while the battery plate packs are being transported, which measuring cells are associated with a pressing plate (11) associated with one of the conveyor belts (5). If the force deviates from a specified value, the battery plate pack is evaluated as faulty and is ejected.