Conductive Module Linking Portion for Battery Pack Miniaturization
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Solution Overview
Problem
Conductive modules in battery packs are limited in miniaturization due to the routing and bending of second conductive members, which obstructs the compact design of battery packs.
Innovation Solution
A conductive module design featuring a linking portion that extends in an intersecting direction, allowing second conductive members to be arranged side by side, reducing the need for bending and enabling linear extension along the battery cell arrangement direction, thereby facilitating miniaturization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the second conductive member is routed along the led-out direction and bent to avoid other conductive modules, then the routing path is achieved, but the battery pack size cannot be miniaturized due to the bending amount
Solution Approach 1:
The linking portion extends in an intersecting direction (transverse direction) relative to the arrangement direction of battery cells, changing the routing dimension from purely longitudinal to a combination of longitudinal and transverse directions. This dimensional change allows multiple second conductive members to be arranged side by side in the transverse direction, eliminating the need for bending and reducing the battery pack size in the longitudinal direction.
2Volume of moving object
If multiple second conductive members are routed side by side, then they can be arranged more compactly, but they obstruct each other when present on the same routing path
Solution Approach 1:
By introducing a transverse dimension through the linking portion that extends in an intersecting direction, multiple second conductive members are distributed side by side in the transverse direction rather than being routed along the same longitudinal path. This spatial distribution in an additional dimension eliminates mutual obstruction while maintaining compact arrangement.
Solution Approach 2:
The conductive module is segmented into distinct functional portions: the linking portion extending in the intersecting direction and the second conductive member extending in the arrangement direction. This segmentation allows each portion to perform its specific function optimally - the linking portion provides lateral separation while the second conductive member provides longitudinal connection, avoiding routing conflicts.
Data Source
AI summary
A conductive module includes: a first conductive member electrically connected to a battery cell; a second conductive member electrically connecting a battery monitoring unit to the first conductive member; a circuit protection member arranged between the first conductive member and the second conductive member; a first electrical connection structural body; a second electrical connection structural body electrically connecting the second conductive member and the circuit protection member; and a housing member. The second electrical connection structural body includes a linking portion, which is a part that extends in an intersecting direction and physically and electrically connects an electrical connection portion of the second conductive member, and enables the second conductive members of all the conductive modules to be arranged side by side along the intersecting direction. The linking portion is arranged at a position to cause the second conductive member to linearly extend along the arrangement direction.