Multi-Interface Flow Testing for Battery Gas Extraction Channels
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Solution Overview
Problem
Current flow test methods for battery manufacturing are inaccurate, leading to difficulties in determining blocked gas extracting channels, which can result in residual gas within batteries and reduced yield.
Innovation Solution
A flow test tool with multiple test interfaces connected to fluid channels ensures consistent flow resistance across all channels, using adapter assemblies and sealing members for precise and gas-tight connections, and a controller for real-time data transmission to improve test accuracy and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional flow test methods are used to test multiple gas extracting channels, then the testing process can be completed, but the test accuracy is poor and it is difficult to accurately determine blocked channels
Solution Approach 1:
The flow test tool is divided into multiple independent test interfaces, each corresponding to a specific gas extracting channel. Each interface includes a flow sensor and test channel that can independently measure flow parameters, allowing simultaneous testing of multiple channels without interference, thereby improving both measurement precision and productivity
Solution Approach 2:
A flow resistance adjustment component is introduced as an intermediary element between the gas source and the test channels. This component allows independent adjustment of flow resistance for each test interface, ensuring that all channels operate under consistent flow conditions during simultaneous testing, which resolves the accuracy issue while maintaining efficient parallel testing
2Productivity
If flow tests are conducted on multiple channels simultaneously with inconsistent flow resistance, then testing speed is improved, but test accuracy deteriorates due to different test environments
Solution Approach 1:
Each test interface is equipped with its own flow resistance adjustment component, allowing local optimization of flow conditions for each channel. This ensures that while testing proceeds in parallel across multiple channels (high productivity), each channel maintains its own optimal and consistent flow environment (high accuracy), resolving the contradiction between speed and precision
Data Source
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AI summary
The present application provides a flow test tool, a negative pressure formation apparatus, and a battery manufacturing device. The flow test tool (110) includes a base (111) and a flow test module (112) mounted on the base (111), the flow test module (112) is provided with a plurality of test interfaces, and the test interface is connected to a fluid channel (121) of a mechanism to be tested one by one.