Battery Module Voltage Detection Layout for Easier Harness Assembly
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Solution Overview
Problem
The necessity of an extra length of wire harness for connecting battery cells to a connector reduces the workability for assembling a battery module.
Innovation Solution
A voltage detection device with a holder and connectors that include terminal holes and gaps for external terminals, or sockets embedded in recess portions, allowing for improved assembly by eliminating the need for extra wire length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the connector is attached to the housing after battery cells and wire harness are accommodated, then the connector can be electrically connected to battery cells via wire harness, but an extra length of wire harness is required which reduces assembly workability
Solution Approach 1:
The connector is merged with the holder to form an integrated assembly. The holder simultaneously holds both the connector and the wire harness, combining multiple functions into a single component structure. This integration eliminates the need for separate connector attachment steps and reduces wire harness length requirements.
Solution Approach 2:
The connector is pre-mounted on the holder before the battery cells are accommodated in the housing. This preliminary arrangement allows the wire harness to be directly connected to the pre-positioned connector, eliminating the need for extra wire length to reach a separately attached connector and simplifying the overall assembly process.
2Ease of operation
If extra length of wire harness is provided for drawing out wire harness to outside of housing, then electrical connection can be achieved, but assembly workability is reduced
Solution Approach 1:
The unnecessary extra length of wire harness is extracted/removed from the system. By positioning the connector on the holder within the housing, the wire harness only needs to reach its actual connection point, eliminating wasted length and reducing complexity in wire routing and management.
Data Source
AI summary
A front voltage detection device (30) includes a holder (310), a plurality of voltage detection lines (320), and a socket (330). The plurality of voltage detection lines (320) is electrically connected to a plurality of battery cells (100). The plurality of voltage detection lines (320) is held on the holder (310). The socket (330) is electrically connected to the plurality of voltage detection lines (320). The socket (330) is provided on the holder (310).