Battery Module Conductor Layout for Stable Cell Voltage Wiring
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Solution Overview
Problem
The connection stability between the circuit board and the first conductive element in battery modules is low, and the wiring complexity is high, which affects the service life of the battery.
Innovation Solution
A battery module design that includes a cell pack, a first structure with a conductor disposed between its surfaces, and a wiring harness connected to the conductor, allowing direct lead-out from the side edge of the structure, reducing wiring complexity and enhancing connection stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the circuit board is electrically connected to multiple cells through a first conductive element, then the battery module can collect voltage values of each cell, but the connection stability between the circuit board and the first conductive element is low and the wiring complexity is high
Solution Approach 1:
The patent merges the first conductive element with the circuit board by integrating the conductive element directly into the circuit board structure. This combination eliminates separate connection components, reduces wiring complexity, and improves connection stability by creating a unified structural and electrical connection between the circuit board and battery cells.
2Duration of action of moving object
If the first conductive element is used to transmit voltage values from cells to the circuit board, then the battery can monitor cell voltage, but the service life of the battery is affected due to low connection stability and high wiring complexity
Solution Approach 1:
The patent merges the first conductive element with the circuit board by integrating the conductive element directly into the circuit board structure. This combination eliminates separate connection components, reduces wiring complexity, and improves connection stability by creating a unified structural and electrical connection between the circuit board and battery cells.
Data Source
AI summary
A battery module includes a cell pack, a first structure, and a first wiring harness, where the cell pack includes a plurality of cells; the first structure includes a first surface facing the cell pack, and a second surface facing away from the first surface; the first structure further includes a first conductor disposed on the second surface and electrically connected to the cell pack; when viewed along a first direction perpendicular to the second surface, the first structure has a portion overlapping with the cell pack; when viewed along the first direction, the first structure includes a first region connected to the cell pack, and the first conductor is disposed between a first end surface of the first structure and the first region; and the first wiring harness is connected to the first conductor.