Separated Vehicle Wire Harness Routing for Flex Resistance
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Solution Overview
Problem
Existing wire harnesses for connecting vehicle body-side and wheel-side devices face challenges in routing in small spaces and require improved flex resistance.
Innovation Solution
The wire harness includes separate outer path portions for first and second wiring members, allowing them to be routed separately outside the vehicle body, with the first member having a longer path length and potentially thinner wires, and the second member having shorter path lengths and potentially thicker wires, supported by brackets to avoid bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wiring members are bundled together in a single path, then the wire harness structure is simpler, but the flex resistance decreases and routing in small spaces becomes difficult
Solution Approach 1:
The wire harness is divided into multiple separate wire harnesses, each containing one or more wiring members routed through distinct outer paths. This segmentation allows each individual wire harness to maintain flexibility and resist bending, while collectively covering the necessary routing requirements without the complications of a single complex bundled structure
Solution Approach 2:
The patent transitions from a single-dimensional bundled routing approach to a multi-dimensional separated routing approach. By distributing wiring members across multiple spatial paths and dimensions outside the vehicle body, the system achieves improved flex resistance and small space routing capability while maintaining structural manageability
2Ease of operation
If all wiring members are routed through the same path, then the routing process is simpler, but the ability to route in small spaces is reduced and noise interference increases
Solution Approach 1:
The routing system is segmented into multiple separate paths, with different wire harnesses following distinct trajectories outside the vehicle body. This segmentation enables efficient use of available routing spaces, including narrow passages and confined areas, while maintaining ease of installation through standardized separate harness configurations
Solution Approach 2:
Different wire harnesses are assigned to different local routing paths based on their specific requirements. Signal wires and power supply wires follow separate outer paths, allowing each to be optimized for its specific routing needs and minimizing noise interference while maintaining overall routing efficiency
3Volume of moving object
If wiring members are routed close together, then the wire harness occupies less space, but flex resistance decreases and bending deformations occur
Solution Approach 1:
The wire harness system is divided into multiple separate harnesses that occupy distinct spatial volumes outside the vehicle body. This segmentation prevents the wiring members from being forced into close proximity, allowing each harness to maintain its natural flexibility and resist bending deformations while collectively achieving space-efficient routing through coordinated distribution
Data Source
AI summary
A wire harness for connecting a vehicle body-side device and a wheel-side device to each other includes: a first wiring member; and a second wiring member. An entire outer path portion of the first wiring member, and an entire outer path portion of the second wiring member are separated from each other outside a vehicle body.