Battery Pack Heat Barrier Layout Between Modules and Lead Assembly
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Solution Overview
Problem
Conventional battery packs lack effective measures to prevent the spread of heat or fire from one battery module to adjacent modules, potentially leading to explosions due to the absence of separate partition walls at the upper end of the vertical beam.
Innovation Solution
Incorporating a heat diffusion preventing member with a vertical and horizontal body, mounted on the upper end of the vertical beam and extending to shield the space between the vertical beam and the lead assembly, effectively blocking the spread of heat or flames.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional battery pack structure without separate partition walls at the upper end of the vertical beam is used, then the device complexity is reduced and ease of manufacture is improved, but heat or fire can spread from one battery module to adjacent modules causing safety hazards
Solution Approach 1:
The invention divides the battery pack into separate compartments by introducing partition walls at the upper ends of vertical beams. These partition walls create isolated spaces between adjacent battery modules, preventing heat and flame from spreading between modules while maintaining the overall structural organization of the battery pack.
Solution Approach 2:
The invention introduces a heat-resistant board as an intermediary component between adjacent battery modules. This board acts as a barrier that blocks heat and flame transmission while allowing the battery modules to remain closely arranged for space efficiency. The heat-resistant board serves as a mediator that protects adjacent modules without requiring complete physical separation.
2Reliability
If partition walls are added at the upper end of the vertical beam to prevent heat spread, then safety is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The invention uses thin heat-resistant boards as partition walls instead of bulky rigid structures. These thin film-like partitions are easy to install between battery modules and provide effective fire barriers without adding significant structural complexity or manufacturing difficulty.
3Productivity
If the battery modules are arranged closely without additional partition structures, then the space utilization is maximized, but heat diffusion can occur leading to chain fires
Solution Approach 1:
The heat-resistant board serves as an intermediary barrier inserted between closely arranged battery modules. It blocks heat diffusion pathways while allowing the modules to maintain close spacing for optimal space utilization. The board acts as a thermal insulator that prevents chain fires without requiring increased distance between modules.
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 heat diffusion preventing member effectively blocks the spread of heat or fire from one battery module to others, preventing chain fires and ensuring safety in battery packs.
Implementation Method 1
a heat diffusion preventing member inserted into the slit of the lead assembly and mounted on the upper end of the vertical beam
Data Source
AI summary
A battery pack includes a heat diffusion preventing member. The battery pack can effectively prevent the diffusion of heat or fire generated in any one battery module from among battery modules accommodated in the battery pack, and can have various applications such as vehicles or power storage devices.