Bicycle Frame Cavity for Sensor Integration
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Solution Overview
Problem
Existing bicycle sensor systems face issues with accurate alignment and secure attachment, leading to inaccurate data, aerodynamic disruption, and theft concerns due to their design and attachment methods.
Innovation Solution
A bicycle frame with integrated cavities to house sensor devices that match their contours, allowing for secure, aerodynamic, and theft-resistant wireless communication of performance data, with optional plugs to maintain the frame's contour when sensors are not in use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If sensor components are externally mounted on the bicycle frame, then the sensor system can be easily attached and removed, but the aerodynamic performance is disrupted and the aesthetic appearance is degraded
Solution Approach 1:
The sensor device is nested within a cavity formed in the bicycle frame, allowing it to be integrated into the frame structure rather than externally mounted. This nesting approach maintains the aerodynamic contour and aesthetic appearance while still allowing for attachment and removal of the sensor device.
2Ease of manufacture
If simple mechanical fasteners are used to secure sensor components, then the attachment is easy to implement, but the security against theft is insufficient
Solution Approach 1:
The cavity is formed as an integrated part of the bicycle frame structure, merging the mounting function into the frame itself. This integration provides security against theft while maintaining ease of implementation through the use of simple mechanical fasteners within the integrated cavity structure.
3Ease of operation
If the detector and operator are not properly aligned, then the sensor system is easier to install, but the measurement accuracy deteriorates
Solution Approach 1:
The cavity is pre-formed in the bicycle frame at the correct position and orientation to receive the sensor device. This preliminary action ensures that when the sensor device is installed, it is automatically properly aligned with the wheel, eliminating alignment issues while maintaining ease of installation.
4Ease of repair
If the sensor components are left exposed on the bicycle, then they are easily accessible for maintenance, but they are susceptible to misalignment from impacts and vibrations
Solution Approach 1:
The sensor device is nested within a cavity that protects it from impacts and vibrations while maintaining accessibility. The cavity structure provides mechanical protection that prevents misalignment from external forces, while the sensor device remains accessible for maintenance through the cavity opening.
Data Source
AI summary
A bicycle frame having a cavity constructed to receive a sensor device. The cavity has a shape and a contour that generally matches a shape and a contour of the sensor device. Such a configuration maintains the aerodynamic contour of the frame when the sensor device is positioned in the cavity. An optional plug occupies the cavity when the sensor device is not positioned therein. Preferably, the sensor device is constructed to wirelessly communicate bicycle operation information to a receiver that is remotely located relative to the sensor device. More preferably, the cavity is formed in a fork of the bicycle and the sensor device is configured to monitor operation of a front wheel and wirelessly communicate the operation information to the remote receiver.