Stackable Battery Module Frame for Stable Pack Assembly
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Solution Overview
Problem
The connection and fixation between multiple battery modules in battery packs are complex, making mounting and demounting difficult and prone to instability.
Innovation Solution
A battery module design featuring an outer frame with support columns, side plates, and end plates, where one end of the support column has a support platform and the other end has a fitting hole, allowing for stable and firm stacking and connection of modules, along with a guide fitting portion and threaded holes for secure alignment and assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple battery modules are connected and fixed together, then the battery pack can satisfy different power consumption needs, but the connection and fixation become complicated, increasing mounting and demounting difficulty
Solution Approach 1:
The battery system is divided into multiple independent battery modules, each with standardized support columns featuring support platforms and fitting holes. This segmentation allows flexible assembly of different numbers of modules to meet varying power needs while maintaining simple, repetitive connection interfaces for ease of mounting and demounting.
Solution Approach 2:
The support columns are designed with universal fitting structures where support platforms and fitting holes can be repeatedly engaged in various configurations. This universal interface design enables the same component to serve multiple modules in different arrangements, simplifying the connection process while providing adaptability for different battery pack configurations.
2Adaptability or versatility
If multiple battery modules are connected together, then the battery pack capacity can be adjusted, but the connection complexity increases, affecting stability and firmness
Solution Approach 1:
Each battery module is segmented with identical support column structures containing support platforms and fitting holes. This standardization reduces connection structure complexity by using repeated, simple geometric forms rather than complex varied connections, while still enabling flexible battery pack capacity adjustment through modular assembly.
Solution Approach 2:
The support platforms and fitting holes create a nested connection system where modules are stacked and interlocked in a hierarchical manner. This nesting approach simplifies the overall connection structure by creating a self-contained modular unit that can be repeatedly assembled, reducing the complexity that would otherwise arise from multiple connection types.
3Ease of operation
If support platform and fitting hole are used for module connection, then mounting and demounting becomes convenient, but incorrect orientation may occur
Solution Approach 1:
The support platform and fitting hole are designed with asymmetric geometric features that only permit engagement in the correct orientation. This asymmetry ensures reliable proper installation while maintaining ease of operation, as the asymmetric shape guides correct alignment during the simple mounting process and prevents incorrect orientation through geometric constraint.
Data Source
AI summary
The present disclosure provides a battery module and a battery pack. The battery module includes: multiple cells and an outer frame. The outer frame includes: four support columns, two side plates, and two end plates. The two side plates are arranged opposite to each other. The two end plates are arranged opposite to each other. The four support columns are respectively connected between end portions of the side plates and the end plates. One of a top and a bottom of the support column is provided with a support platform and another is provided with a fitting hole. The support platform of one battery module is fittable in the fitting hole of another battery module.