Vehicle Wire Routing Member for Underfloor Low-Voltage Harnessing
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Solution Overview
Problem
The routing of wires connecting a low-voltage battery to electrical junction boxes in vehicles is challenging due to electromagnetic noise and limited space, especially when the low-voltage battery is positioned towards the rear of the vehicle, necessitating a solution that allows easy and efficient wiring under the vehicle floor.
Innovation Solution
A routing member comprising a first housing with a first tubular member and a second housing with a second tubular member, each with integral joining portions, allows the second wire to be easily routed along the first wire, facilitating power supply from a low-voltage battery alongside high-voltage battery wires.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wires are routed through the interior of the vehicle, then routing flexibility is improved, but electromagnetic noise interference increases and space availability deteriorates
Solution Approach 1:
The patent extracts the wires from the vehicle interior space and routes them through the vehicle floor instead. This separates the wiring path from the electromagnetic noise sources in the interior, eliminating the harmful electromagnetic interference while maintaining routing flexibility through the floor structure.
Solution Approach 2:
The patent introduces a routing member as an intermediary component that facilitates wire routing through the vehicle floor. This mediator provides a structured pathway that protects wires from electromagnetic noise while enabling flexible routing configuration without direct exposure to interior electromagnetic interference.
2Ease of operation
If wires are routed through the interior of the vehicle, then routing flexibility is improved, but space availability for wiring deteriorates
Solution Approach 1:
The patent transitions the wiring route from the two-dimensional vehicle interior plane to the three-dimensional space under the vehicle floor. This dimensional change provides abundant unused space for routing wires between the low-voltage battery and electrical junction boxes, eliminating space constraints while maintaining routing flexibility.
3Productivity
If the low-voltage battery is positioned toward the rear of the vehicle, then power distribution efficiency is improved, but wiring complexity increases
Solution Approach 1:
The patent segments the wiring system into distinct routing members for high-voltage and low-voltage circuits. This segmentation allows independent routing optimization, where the low-voltage wires can be separately managed through the floor structure, reducing overall wiring complexity while maintaining efficient power distribution from the rear-mounted battery.
Data Source
AI summary
A routing member including: a first housing that includes a first tube through which a first wire passes; and a second housing that includes a second tube that differs from the first tube, and through which a second wire, which differs from the first wire, passes, wherein: the first housing further includes at least one first joint provided integrally with the first tube, the second housing further includes at least one second joint provided integrally with the second tube, and the at least one second joint is joined to the at least one first joint and together with the at least one first joint maintains a state where the second tube is disposed along the first tube.