Battery Wiring Module With Distributed Electronics for Compact Packs
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Solution Overview
Problem
In battery packs with multiple modules, downsizing is challenging due to the collective disposition of electronic components for protection, adjustment, and state detection in a monitoring device.
Innovation Solution
A wiring module comprising an insulating substrate, a wiring member with a terminal connection portion, and an electronic component, which is integrated with the battery modules to facilitate compact design and simplified connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic components are collectively disposed in a monitoring device of the battery pack, then protection and state detection functions are achieved, but downsizing of the battery pack becomes difficult
Solution Approach 1:
The patent divides the battery pack system into modular units by attaching electronic components directly to individual battery modules. Each battery module becomes a self-contained unit with its own protection and detection circuitry, eliminating the need for a centralized monitoring device and enabling downsizing of the overall battery pack.
Solution Approach 2:
The patent transitions from a centralized three-dimensional monitoring device to a distributed two-dimensional arrangement where electronic components are planarly integrated onto the surface of each battery module. This dimensional redistribution eliminates vertical space requirements and reduces overall battery pack volume.
2Volume of moving object
If electronic components are distributed to individual battery modules, then battery pack size is reduced, but wiring complexity increases
Solution Approach 1:
The patent merges the electronic components and wiring into an integrated wiring module that attaches to each battery module. This consolidation combines multiple separate wiring connections into a single modular unit, reducing overall wiring complexity while maintaining the distributed architecture benefits.
Solution Approach 2:
The wiring module serves multiple functions simultaneously: it provides electrical connections, houses electronic components, and acts as a structural attachment element. This multi-functionality reduces the number of separate components needed and simplifies the overall wiring system.
Data Source
AI summary
A wiring module of one embodiment is a member used for a battery pack in which a plurality of battery modules are arranged side by side in a first direction. The wiring module includes an insulating substrate, a wiring member, and an electronic component. The substrate is disposed to face a first end of one battery module among the plurality of battery modules in a second direction in a case where the second direction is a direction intersecting the first direction. The wiring member includes a main body supported by the substrate, and a terminal connection portion extending from the main body and connected to a detection terminal provided at the first end of the battery module. The electronic component is provided in the wiring member, and is used in association with the battery module.