Motorcycle Acceleration Sensor Mounting Bracket
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Solution Overview
Problem
Existing motorcycle designs face challenges in arranging an acceleration sensor inside the vehicle body cover without disrupting the arrangement of other parts, due to limited space and the need for a separate protective cover, which increases the number of components.
Innovation Solution
The acceleration sensor is positioned under the seat frame and above the auxiliary frame, supported by a bracket, and covered by the vehicle body cover, allowing it to be arranged in a tilting state near the rear cushion's upper end support, reducing interference with electrical components and utilizing a resin case for increased waterproofness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the acceleration sensor is attached to the pivot member, then the sensor can be mounted on the vehicle, but the attachment portion is limited and a separate protective cover is needed increasing the number of parts
Solution Approach 1:
The acceleration sensor is integrated into the vehicle body cover structure, merging the sensor housing and protective cover into a single integrated component. This eliminates the need for a separate protective cover while providing both protection and sensor mounting functionality.
Solution Approach 2:
The vehicle body cover is designed to serve multiple functions: it protects internal components, provides structural support, and houses the acceleration sensor. This multi-functional design reduces the need for additional separate components.
2Shape
If the acceleration sensor is arranged inside the vehicle body cover, then the appearance is maintained, but it is difficult to arrange the sensor without influencing the arrangement of other parts
Solution Approach 1:
The acceleration sensor is positioned in the vertical dimension between the seat frame and auxiliary frame, utilizing unused vertical space rather than horizontal space. This allows the sensor to be integrated into the vehicle body cover without interfering with the lateral arrangement of other components.
Solution Approach 2:
The sensor is specifically positioned in a localized area between the seat frame and auxiliary frame where there is sufficient clearance. This localized placement maintains the overall vehicle structure while providing a dedicated space for the acceleration sensor.
3Volume of moving object
If various parts are densely arranged in the motorcycle, then the vehicle structure is compact, but it is difficult to arrange the acceleration sensor inside the cover
Solution Approach 1:
The acceleration sensor utilizes the vertical space between the seat frame and auxiliary frame, transforming a two-dimensional layout problem into a three-dimensional solution. This allows sensor integration without increasing the horizontal footprint or compromising vehicle compactness.
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 enables the acceleration sensor to be effectively integrated within the vehicle body cover without influencing the arrangement of other parts, maintaining a clean appearance and enhancing vibration reduction and detection capabilities.
Implementation Method 1
an acceleration sensor configured to detect an acceleration
Implementation Method 2
the acceleration sensor is elastically suspended from the seat frame. In the embodiment, since the acceleration sensor is elastically suspended from the seat frame, a vibration that the acceleration sensor receives from the vehicle can be reduced.
Data Source
AI summary
A motorcycle includes a main frame, a seat frame connected to a rear portion of the main frame and extending backward to support a seat, an auxiliary frame reinforcing the seat frame, and an acceleration sensor. The acceleration sensor is supported at a position under the seat frame and above the auxiliary frame in a side view by a bracket extending from the seat frame or the auxiliary frame. Side surfaces of the acceleration sensor are covered with a vehicle body cover.