Segmented Battery Mounting for Frame Vehicle Torsion
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Solution Overview
Problem
In frame vehicles, the low torsional rigidity of side frames relative to the body can cause battery packs to twist excessively when the vehicle encounters uneven terrain, leading to potential battery failure, as the mounting structures designed for monocoque vehicles do not adequately address this separation.
Innovation Solution
Divide the battery pack into multiple sections in the front-rear direction and connect each section to the side frames via support members that extend across the vehicle width, allowing for independent inclination and reducing the impact of torsional stress, with options for bolt or rubber mount connections to manage vibration and space constraints.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the battery pack is simply fastened to the side frame in a frame vehicle, then the mounting structure is simple and easy to implement, but the battery pack is greatly twisted when the torsion angle of the side frame increases, leading to battery failure
Solution Approach 1:
The battery pack is divided into multiple divided battery packs in the vehicle front-rear direction. Each divided battery pack is independently connected to the side frames, allowing them to rotate independently relative to the side frames. This segmentation prevents the entire battery pack from being twisted as a single unit, thereby maintaining battery reliability while keeping the mounting structure relatively simple.
2Reliability
If the battery pack is divided into multiple divided battery packs and each is connected to the side frames, then the battery is protected from twisting and failure, but the mounting structure becomes more complex
Solution Approach 1:
The battery pack is divided into multiple divided battery packs in the vehicle front-rear direction. Each divided battery pack is independently connected to the side frames, allowing them to rotate independently relative to the side frames. This segmentation prevents the entire battery pack from being twisted as a single unit, thereby maintaining battery reliability while keeping the mounting structure relatively simple.
Data Source
AI summary
The present disclosure relates to a battery mounting structure of a frame vehicle in which a battery pack is supported by a pair of left and right side frames extending in a vehicle front-rear direction, which are provided in the frame vehicle. The battery pack includes a plurality of divided battery packs divided in the vehicle front-rear direction. Each of the plurality of divided battery packs is connected to a pair of left and right side frames via a support member.