Centralized Laser Beam Layout for Compact Motorcycle Lighting
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Solution Overview
Problem
In leaning and straddled vehicles, the existing laser beam source arrangement is not compact enough and lacks flexibility due to the dense arrangement of vehicle components, making it difficult to achieve a compact and efficient use of space while maintaining maneuverability and agility.
Innovation Solution
A single laser beam source unit is positioned between the forward and rearward light-emitting parts, with a fiber optic cable branching to both, allowing for a shorter shared portion and increased freedom in arrangement, enabling a compact and efficient use of space by suppressing the length of the fiber optic cable and allowing for easier adjustment of component positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the laser beam source is disposed below the seat with a long shared portion of the light guide part, then the light can reach the light-emitting parts, but the arrangement becomes non-compact and space utilization becomes inefficient
Solution Approach 1:
The patent repositions the laser beam source from a location below the seat to a position near the steering handle, utilizing the three-dimensional space around the steering handle more effectively. This spatial reconfiguration reduces the length of the shared light guide portion by changing the dimensional arrangement of components, thereby improving overall space utilization in the vehicle body.
Solution Approach 2:
The patent makes the laser beam source position adjustable rather than fixed, allowing dynamic repositioning to optimize the length of the shared light guide portion. This dynamic adjustment capability enables the system to adapt to different spatial requirements and achieve more compact arrangements.
2Adaptability or versatility
If the laser beam source position is changed, then arrangement flexibility may improve, but the shared portion length changes largely making compact arrangement difficult
Solution Approach 1:
The patent introduces a branch portion of the light guide part that extends in the up-down direction from the shared portion to connect to non-shared portions leading to respective light-emitting parts. This intermediary branch structure allows the laser beam source to be positioned near the steering handle while still effectively reaching light-emitting parts located at different positions, thereby maintaining arrangement flexibility without sacrificing compactness.
3Quantity of substance
If the shared portion of the light guide part is made longer to reach light-emitting parts from a centralized laser beam source, then light distribution is achieved, but the vehicle components cannot be arranged densely
Solution Approach 1:
The light guide part is divided into distinct segments: a shared portion extending from the laser beam source, a branch portion extending in the up-down direction, and non-shared portions extending to respective light-emitting parts. This segmentation allows the light guide system to distribute light effectively while adapting to the dense arrangement of vehicle components by utilizing the three-dimensional space around the steering handle.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration allows for a high degree of freedom in the laser beam source arrangement, enabling a compact and efficient use of space, which is essential for maintaining agility and maneuverability in leaning and straddled vehicles.
Implementation Method 1
a fiber optic cable extending from the laser beam source unit to both the forward light-emitting part and the rearward light-emitting part via a forward-rearward branch portion
Data Source
AI summary
A vehicle that is the leaning vehicle or the straddled vehicle includes a fiber optic cable extending from a laser beam source unit to both a forward light-emitting part and a rearward light-emitting part via a forward-rearward branch portion, the fiber optic cable allowing a laser beam emitted from the laser beam source unit to be branched in the forward-rearward branch portion, and then supplied to both the forward light-emitting part and the rearward light-emitting part. A length of the fiber optic cable between the laser beam source unit and the forward-rearward branch portion is shorter than a total length of the fiber optic cable between the forward-rearward branch portion and the forward light-emitting part and between the forward-rearward branch portion and the rearward light-emitting part in a side view of the vehicle.