Battery Block Guiding Member for Flexible Rail Coupling
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Solution Overview
Problem
Existing battery pack designs for in-vehicle secondary batteries face challenges in achieving a balance between rigidity and flexibility, particularly in accommodating varying vehicle spaces, as the shape of the battery pack is restricted by the casing when multiple blocks are coupled together.
Innovation Solution
The integration of guiding members on the external surface of battery blocks, allowing DIN rails to pass through, enables flexible coupling and arrangement of battery blocks in various configurations, enhancing both rigidity and adaptability to different shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a rigid casing is used to house multiple battery blocks, then structural stability is improved, but shape flexibility is worsened
Solution Approach 1:
The battery pack is divided into multiple independent battery blocks that can be coupled together using rails. Each battery block maintains its own rigid structure while the modular arrangement allows flexible configuration. The segmentation enables the system to achieve both individual block stability and overall shape flexibility through various coupling patterns.
Solution Approach 2:
The battery blocks are designed with dynamic coupling capability through rail-based connection systems. The blocks can be assembled, disassembled, and reconfigured along rails to create different pack shapes. This dynamic assembly approach allows the battery system to adapt to various vehicle spaces while maintaining rigid individual block structures.
2Quantity of substance
If battery blocks are coupled together to achieve high output and large capacity, then energy density is improved, but adaptability to different vehicle spaces is worsened
Solution Approach 1:
The high-capacity battery system is segmented into multiple standardized battery blocks that can be coupled together. This segmentation allows the system to achieve high total capacity while maintaining flexibility in arrangement, as different numbers and configurations of blocks can be used to fit various vehicle spaces.
Solution Approach 2:
The battery blocks are designed with universal coupling interfaces (rails) that enable the same block design to be used in multiple configurations and vehicle types. This universality allows a single block design to serve multiple functions and adapt to different space requirements while maintaining high capacity through parallel coupling.
3Ease of manufacture
If a fixed shape battery pack is used, then manufacturing simplicity is improved, but space utilization efficiency is worsened
Solution Approach 1:
The battery pack is segmented into standardized blocks with uniform dimensions and coupling interfaces. This segmentation allows each block to be manufactured using simple, repeatable processes, while the modular assembly enables flexible space utilization through various coupling configurations that can be optimized for different vehicle spaces.
Data Source
AI summary
Each battery block is formed by a plurality of unit cells arranged. Coupling a plurality of battery blocks with each other forms a battery module. Guiding members, through which a rail is made to pass, is provided on an external surface of the battery block, where the rail is used to couple the battery block with another battery block. The guiding members are provided on at least two adjacent lateral faces of four lateral faces excluding electrode faces of the battery block.