Battery Module Assembly with Integrated Base Plate and Cover
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Solution Overview
Problem
Conventional battery module assemblies face challenges in maintaining a compact structure, rigidity, and efficient assembly process due to increased volume and complexity, particularly in applications requiring high output and large capacity, such as electric vehicles and hybrid electric vehicles.
Innovation Solution
A battery module assembly with a novel structure featuring vertically stacked plate-shaped battery cells, a base plate with upwardly bent side walls, an upper cover plate with downwardly bent side walls, and a plate-shaped assembly cover that includes a cable fixing part, allowing for stable mounting and fixation of battery modules and cables without additional components, thereby improving rigidity and assembly efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional fixing plates and brackets are used to fix battery modules, then the battery modules can be securely fixed, but the overall volume of the battery module assembly increases
Solution Approach 1:
The patent integrates multiple fixing functions into a single base plate structure. The base plate combines the functions of supporting battery modules, fixing them in position, and providing cable routing pathways, eliminating the need for separate fixing plates and brackets, thus reducing overall assembly volume while maintaining securing reliability
Solution Approach 2:
The base plate is designed as a multi-functional component that simultaneously serves as a mounting surface for battery modules, a fixing structure with integrated retention features, and a cable management system with built-in pathways and clamps, replacing multiple specialized components with one universal structure
2Reliability
If individual plates are provided to fix each battery module, then each module can be secured, but the overall rigidity of the battery module assembly is lowered
Solution Approach 1:
Multiple individual fixing plates are merged into a single integrated base plate structure that provides continuous support across all battery modules. This unified structure creates a rigid framework that distributes mechanical loads across the entire assembly rather than creating weak points at individual module interfaces
Solution Approach 2:
The base plate extends in multiple dimensions with integrated side walls and cable management features that provide structural reinforcement. By adding vertical side walls and horizontal cable pathways within the same component, the structure gains rigidity in multiple directions without requiring additional separate reinforcement members
3Reliability
If additional bracket structures are provided for cables, then cables can be securely fixed, but the number of components increases and work efficiency decreases
Solution Approach 1:
Cable fixation functionality is merged directly into the base plate structure through integrated cable clamps and routing pathways. This eliminates the need for separate cable management brackets, reducing the total component count and simplifying the assembly process while maintaining secure cable fixation
Solution Approach 2:
The base plate serves as a universal platform that simultaneously supports battery modules, provides structural rigidity, and manages cable routing and fixation. This multi-functional design consolidates what would traditionally require multiple specialized components into one integrated structure, improving assembly efficiency
Data Source
AI summary
Disclosed herein is a battery module assembly including two or more battery modules, each of which includes two or more plate-shaped battery cells vertically stacked such that electrode leads of the battery cells are arranged in one direction, a base plate including module receiving parts, on tops of which the battery modules are loaded in a state in which electrode terminals of the battery modules are arranged in one direction, the base plate being provided at an outer edge thereof with upwardly bent side walls, an upper cover plate including downwardly bent side walls formed at opposite sides thereof on the basis of the electrode terminals of the battery modules, the upper cover plate being fixed on the base plate to form a top of the battery module assembly, and a plate-shaped assembly cover loaded on tops of the battery modules and coupled to the battery modules in a fastening fashion, the assembly cover including a cable fixing part for fixing a cable.