Motorcycle Navigation Audio Controller Rear Trunk Placement
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Solution Overview
Problem
Conventional motorcycle navigation systems face issues with complex and noisy wiring due to the placement of audio devices in the vehicle front portion, which complicates arrangement, affects weight balance, and increases costs, while also requiring waterproofing and complex wiring.
Innovation Solution
The navigation controller is placed in the trunk near the rear wheel, and the audio device controller is positioned below the trunk's bottom plate, with the audio device operation part near the handlebar, allowing for shorter, less noisy wiring and reducing the need for waterproofing, thus simplifying the system and improving weight balance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the audio device component is disposed in the vehicle front portion for easy operation, then ease of operation is improved, but wiring becomes long and complicated, and noise interference increases
Solution Approach 1:
The patent moves the audio device component from the traditional front portion (horizontal arrangement) to the rear portion of the vehicle body, utilizing the vertical space within the trunk. This dimensional repositioning allows the component to be located near the navigation controller in the rear, significantly shortening the communication wires while maintaining operational accessibility through the trunk interface.
2Ease of operation
If the audio device component is disposed in the vehicle front portion, then ease of operation is improved, but weight balance of the vehicle is affected
Solution Approach 1:
The patent relocates the heavy audio device component from the front portion to the rear portion of the vehicle body, specifically within the trunk space. This repositioning balances the weight distribution along the vehicle's length, counteracting the weight of front components and improving overall vehicle balance without compromising operational accessibility.
3Ease of operation
If the audio device component is disposed in the vehicle front portion, then ease of operation is improved, but wiring picks up more noise
Solution Approach 1:
By relocating the audio device component to the rear portion of the vehicle body near the navigation controller, the patent dramatically reduces the length of communication wires. This shortened wiring path minimizes the surface area exposed to electromagnetic interference and reduces the antenna effect, thereby decreasing noise pickup while maintaining functional accessibility through the trunk interface.
4Area of stationary object
If the audio device component is disposed in a small space around meter display part, then space utilization is improved, but arrangement becomes complex due to interference with other components
Solution Approach 1:
The patent utilizes the vertical space within the trunk by positioning the audio device component on the rear side of the trunk, below the bottom plate level. This three-dimensional space utilization avoids interference with other trunk components while maintaining efficient use of available space, and simplifies wiring routing by locating the component near the navigation controller.
Data Source
AI summary
An information providing system of a motorcycle includes a navigation device and an audio device. The navigation device includes a navigation controller. The navigation controller is disposed in a trunk on a side surface of the trunk close to a back surface of a passenger seat. The trunk is provided in a rear portion of a vehicle body of the motorcycle and above a rear wheel of the motorcycle. The audio device includes an audio device operation part and an audio device controller. The audio device operation part is provided in a vicinity of a handlebar of the motorcycle. The audio device controller is disposed in an audio device housing provided at a position lower than a bottom plate of the trunk.