Bicycle Head Control Assembly for Wireless Derailleur Integration
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Solution Overview
Problem
Bicycles require a compact and aesthetically integrated solution for electronic components such as circuit boards, antennas, and batteries to enhance riding experience and appearance, while maintaining functionality like wireless signal transmission for electronic derailleurs.
Innovation Solution
A bicycle head assembly that includes a handlebar, stem, casing, first circuit board, antenna, and battery, where the casing is pivotably disposed between clamps on the stem, and the components are electrically connected, with a shift switch for controlling the derailleur, allowing for wireless signal transmission and integration with brake assemblies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronic components (circuit board, antenna, battery) are integrated into the bicycle head assembly, then wireless signal transmission functionality is achieved, but the device complexity increases
Solution Approach 1:
The patent integrates the circuit board, antenna, and battery into a single control assembly that is mounted on the bicycle head. This merging of multiple electronic components into one unified structure achieves wireless signal transmission functionality while managing the complexity through systematic integration rather than separate discrete components.
Solution Approach 2:
The control assembly serves multiple functions: it houses the circuit board for signal processing, contains the antenna for wireless transmission, and accommodates the battery for power supply. This multi-functional design allows a single assembly to perform diverse roles, reducing the need for separate components and managing overall system complexity.
2Adaptability or versatility
If electronic components are integrated into the handlebar area, then wireless control of derailleur and brake systems is enabled, but the aesthetic appearance may be compromised
Solution Approach 1:
The circuit board, antenna, and battery are nested within the control assembly housing, which is mounted on the bicycle head. This nesting arrangement conceals the electronic components within a compact enclosure, maintaining a clean and aesthetically pleasing appearance while enabling wireless control functionality for the derailleur and brake systems.
3Volume of moving object
If multiple components are integrated into a compact casing, then space efficiency is improved, but the manufacturing complexity increases
Solution Approach 1:
The patent divides the electronic system into a control assembly that can be manufactured separately and then mounted on the bicycle head. This segmentation allows the compact casing containing multiple components to be produced as a modular unit, simplifying the manufacturing process while achieving space efficiency through integrated component placement within the assembly.
Data Source
AI summary
The disclosure provides a bicycle head. The bicycle head includes a head assembly and a control assembly. The head assembly includes a handlebar and a stem. The handlebar is mounted on the stem. The control assembly includes a casing, a first circuit board, an antenna and a battery. The casing is pivotably disposed at a portion where the handlebar is mounted on the stem. The first circuit board, the antenna and the battery are electrically connected to one and another, and at least one of the first circuit board, the antenna and the battery is located in the casing.