Multi-Electrode Cutting Layout for Safe Battery Module Disconnecting
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Solution Overview
Problem
Current methods for disconnecting aluminum pole pieces in decommissioned battery modules are inefficient, labor-intensive, and pose safety hazards due to the risk of short circuits and frequent saw blade replacement, leading to poor cutting effects and increased operational costs.
Innovation Solution
A device with multiple angle grinders arranged in a staggered layout, using a saw blade for cutting aluminum alloy, which allows for simultaneous cutting of multiple modules with adjustable spacing, reducing the need for frequent saw blade replacement and enhancing cutting efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual tools (pliers, shovels, angle grinder) are used to disconnect pole pieces, then labor intensity is reduced, but cutting efficiency is low and shapes after disconnecting are irregular
Solution Approach 1:
The patent replaces manual mechanical tools (pliers, shovels, hand-held angle grinder) with an automated cutting device that uses a controlled cutting mechanism to disconnect pole pieces. This substitution maintains ease of operation while dramatically improving cutting efficiency and producing regular, standardized shapes suitable for subsequent milling operations.
Solution Approach 2:
The invention changes the operational parameters from manual, variable-speed tool operation to automated, controlled cutting with fixed parameters. The cutting device operates at consistent speeds and angles, producing uniform disconnect shapes that improve both efficiency and quality compared to manual methods.
2Ease of operation
If hand-held angle grinder with resin saw blade is used for cutting, then portability is improved, but saw blade wears quickly and needs frequent replacement
Solution Approach 1:
The patent replaces the hand-held angle grinder with a fixed, automated cutting device that uses a more durable cutting mechanism. This eliminates the portability constraint while dramatically reducing blade wear and replacement frequency, as the automated system provides more stable and controlled cutting forces.
Solution Approach 2:
The invention moves away from using disposable resin saw blades that wear quickly. The automated cutting device employs a more durable cutting mechanism that maintains its cutting edge for extended periods, reducing the frequency of blade replacement and associated downtime.
3Productivity
If milling cutter passes through gap between cathodes and anodes to mill aluminum pole pieces, then milling efficiency is improved, but short circuit occurs and milling cutter anneals and scraps
Solution Approach 1:
The patent applies preliminary action by disconnecting the aluminum pole pieces through arch-shaped connections before the milling operation. This pre-disconnection prevents electrical continuity between adjacent batteries during milling, eliminating the risk of short circuits and cutter annealing while allowing efficient milling to proceed.
Solution Approach 2:
The invention extracts the pole disconnection step as a separate, preliminary operation performed by the automated cutting device. By removing the electrical connection before milling, the system enables safe and efficient milling without the harmful short-circuit effect that would otherwise occur.
4Device complexity
If manual pole disconnecting is performed, then equipment complexity is reduced, but pole disconnecting effect is poor and shapes are irregular
Solution Approach 1:
The patent replaces simple manual tools with an automated cutting device that provides precise, controlled cutting action. This increase in equipment complexity is justified by the significant improvement in shape regularity and disconnect quality, which enables subsequent automated milling operations.
Solution Approach 2:
The invention changes the cutting parameters from manual, variable conditions to automated, controlled parameters. The cutting device maintains consistent speed, angle, and depth, producing regular, standardized shapes that are suitable for subsequent milling operations, thereby improving manufacturing precision.
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
The device significantly improves cutting efficiency and reduces operational costs by allowing simultaneous cutting of multiple modules with precise adjustments, minimizing the risk of short circuits and improving the safety and accuracy of the disconnecting process.
Implementation Method 1
a saw blade for cutting aluminum alloy
Data Source
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AI summary
The present invention discloses a device for cutting connection of multi-piece module electrode which includes a stand, the stand is provided with a workbench and the workbench is connected with a height adjusting device. The device further includes an angle grinding device; the angle grinding device includes a polishing shaft and an angle grinder; the angle grinder is arranged on the polishing shaft, and the angle grinding device is provided with a saw blade. According to the characteristics of the module electrode, the angle grinding device is matched with the workbench to implement simultaneous electrode disconnecting operation of multiple electrodes of the module, so that the device not only has higher efficiency and better cutting effect, but also is suitable for universal saw blades, saves the cost, and is safer.