Cylindrical Battery Gas Collection for Automated Punching and Sealing
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Solution Overview
Problem
Existing gas collection technologies for lithium secondary batteries are inefficient, prone to human error, and unsafe, particularly during manual loading, unloading, and punching, leading to inconsistent gas concentration delivery and potential accidents.
Innovation Solution
A gas collecting apparatus that automates the loading, unloading, and punching of batteries, using a jig unit, a boat unit, and driving units to precisely deliver gas to an analysis apparatus, with safety features like pressure sensing and automated control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual loading, unloading, and punching of batteries are performed, then operational flexibility is maintained, but human error increases and safety risks occur
Solution Approach 1:
The system performs self-service through automated control where the controller automatically manages the loading, unloading, and punching operations based on pre-programmed sequences, eliminating the need for manual intervention and thereby improving safety while maintaining operational flexibility
Solution Approach 2:
Manual mechanical operations are replaced with an automated control system that uses sensors, actuators, and a controller to manage the battery handling and punching processes, substituting human-operated mechanical systems with automated ones to reduce human error and safety risks
2Manufacturing precision
If individual diffusion chambers are manufactured for each battery model, then gas collection precision is improved, but device complexity and manufacturing cost increase
Solution Approach 1:
A single diffusion chamber design is made universal to accommodate multiple battery models through adjustable positioning mechanisms and adaptable sealing systems, allowing the same chamber to function for different battery sizes and types without requiring custom-manufactured chambers for each model
Solution Approach 2:
The diffusion chamber incorporates dynamic adjustment capabilities such as movable walls, adjustable seals, and reconfigurable internal structures that allow the chamber to adapt its configuration for different battery models, maintaining gas collection precision without requiring individual custom chambers for each battery type
3Adaptability or versatility
If gas concentration varies depending on diffusion chamber volume and battery size, then adaptability to different battery specifications is improved, but gas delivery consistency deteriorates
Solution Approach 1:
The system incorporates feedback mechanisms through gas concentration sensors that continuously monitor the gas composition in the diffusion chamber, and the controller adjusts operational parameters such as pumping rate, chamber volume, and battery positioning based on real-time measurements to maintain consistent gas delivery concentration across different battery specifications
Solution Approach 2:
The system dynamically changes operational parameters including diffusion chamber volume, gas flow rate, and battery positioning based on the specific battery model being tested, allowing the system to adapt to different battery specifications while maintaining consistent gas delivery concentration through controlled parameter adjustment
4Productivity
If automated loading, unloading, and punching are implemented, then productivity is improved, but device complexity increases
Solution Approach 1:
The automated system is divided into distinct functional modules including a loading module, unloading module, punching module, and control module, where each module performs a specific function independently. This segmentation allows the system to achieve high productivity through automated operations while managing complexity by organizing functions into separate, manageable units that can be independently controlled and maintained
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 precise and rapid gas collection, preventing accidents, and ensuring consistent gas delivery for accurate analysis, suitable for various battery specifications.
Implementation Method 1
a first driving unit configured to move the boat unit into the battery accommodating space through the opening
Implementation Method 2
a second driving unit configured to closely contact or separate the one end of the chamber body unit and the one side of the chamber cap unit each other
Implementation Method 3
gas diffused in the battery accommodating space
Data Source
Figure 1~2
Figure 3a~3b
Figure 4~5
AI summary
The present invention relates to a gas collection device comprising: a jig part having a cylindrical battery mounted thereon; a boat part (200) on which the jig part having the cylindrical battery mounted thereon is held; a chamber body part (310) in which a battery accommodation space for accommodating the boat part is provided and an opening is formed at one end thereof; a chamber cap part (320) coupled to the one end of the chamber body part so that one side covers the opening; a first drive part (400) which moves the boat part into the battery accommodation space through the opening; and a second drive part (500) which closes or separates the one end of the chamber body part and the one side of the chamber cap part from each other, and the present invention is to provide a gas collection device in which loading, unloading, punching, etc. of a battery are automated, allowing collected gas to be delivered precisely and stably to a gas analysis device.