Motorcycle Handle Switch Composite Navigation Control
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Solution Overview
Problem
Existing handle switches for vehicles, particularly motorcycles, face challenges in accommodating navigation display devices while minimizing the risk of erroneous operation and ensuring high operability, especially when integrated with existing switches for electric devices like horns and headlights.
Innovation Solution
A handle switch design featuring a composite switch with multiple operating directions, positioned closer to the vehicle's center, and other switches placed between the handle grip and the composite switch, with the composite switch oriented rearward and outwardly, allowing for easy operation with the thumb and reducing interference with other switches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a composite switch is added to the handle switch for operating navigation devices, then the functionality and operability are improved, but the risk of erroneous operation increases due to interference with existing switches
Solution Approach 1:
The composite switch is positioned in the widthwise direction (lateral dimension) rather than only in the front-rear direction, placing it closer to the vehicle body center. This dimensional change allows the composite switch to coexist with existing switches without operational interference while maintaining enhanced functionality for navigation device control
2Ease of operation
If the composite switch is positioned closer to the vehicle body center, then the operability with thumb is improved, but the space arrangement with other switches becomes more constrained
Solution Approach 1:
The composite switch is arranged in the widthwise direction at a position closer to the vehicle body center, utilizing the lateral dimension of the handle switch assembly. This positioning optimizes thumb operability while the widthwise arrangement ensures sufficient spacing from other switches, resolving the space constraint issue
3Area of stationary object
If multiple switches are centralized in one place, then the layout space is reduced, but the complexity of the switch arrangement increases
Solution Approach 1:
The composite switch integrates multiple operating directions (upward, downward, leftward, rightward, and inward pushing) into a single switch unit. This merging of functions reduces the overall number of separate switches needed, thereby reducing layout space while the systematic arrangement maintains manageable complexity
Data Source
AI summary
A handle switch for use on a vehicle includes a plurality of switches for operating electric devices on a vehicle. The handle switch is mounted on a switch case fixed to a handlebar of the motorcycle, wherein the plurality of switches include a composite switch having a plurality of operating directions and other switches having less operating directions than the composite switch. The composite switch is disposed on the switch in a position closer to a center of a vehicle body, and the other switches are disposed in a position between a handle grip fixed to an end of the handlebar and the composite switch. The composite switch has an operating portion is directed rearwardly of the vehicle body. The operating portion of the composite switch includes a four-way switch as a plural-direction operator projects rearwardly of the vehicle body.