Electrical Seatpost Assembly Wireless Charging
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Solution Overview
Problem
Existing bicycle seatpost assemblies lack compactness and efficient power management, with limited space utilization and manual operation complexities, especially in integrating wireless signals and battery charging systems.
Innovation Solution
The electrical seatpost assembly incorporates a telescopic design with a guide member, positioning structure, and an electrical device that includes a wireless receiver, pairing switch, and charging port, allowing for compact configuration, wireless operation, and easy battery charging, while maintaining the intensity of wireless signals and preventing interference with the bicycle frame.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the electrical device is mounted on the first cylinder, then the seatpost assembly can support wireless operation and battery charging, but the assembly becomes less compact due to limited space utilization
Solution Approach 1:
The second cylinder is telescopically received within the first cylinder, creating a nested structure that maximizes space utilization. The electrical device is mounted on the outer surface of the first cylinder, utilizing the annular space between the telescopic cylinders without increasing the overall volume of the seatpost assembly.
Solution Approach 2:
The electrical device is positioned on the radial dimension (outer surface) of the first cylinder rather than extending the telescopic length, thereby adding functionality without increasing the primary dimensional constraint of the seatpost.
2Reliability
If the guide member is positioned between the first and second cylinders, then the telescopic motion is properly guided, but the available space for the electrical device is reduced
Solution Approach 1:
The guide member is segmented into multiple sections along the telescopic direction, with each section providing guidance at specific intervals. This allows the electrical device to be mounted in the spaces between the guide member sections, effectively utilizing otherwise wasted space.
Solution Approach 2:
The guide member is designed with varying local properties - solid guiding surfaces at critical positions and open or reduced-profile sections at other positions where the electrical device needs to be mounted, allowing both guidance functionality and device accommodation.
3Device complexity
If manual operation is used for seatpost adjustment, then the structure remains simple, but the operation complexity increases and user convenience decreases
Solution Approach 1:
The manual mechanical adjustment mechanism is replaced with an electrical actuator system that receives wireless signals. The actuator is integrated into the telescopic mechanism, so the electrical addition does not significantly increase overall structural complexity while dramatically improving ease of operation.
Solution Approach 2:
The electrical device serves multiple functions - wireless signal reception, battery charging, and potentially control interfaces - all integrated into a single mounting location on the first cylinder, reducing the need for additional separate components.
4Volume of moving object
If the electrical device is positioned below the guide member, then space is utilized, but the wireless signal intensity may be affected and interference with the bicycle frame may occur
Solution Approach 1:
The first cylinder acts as an intermediary structure that mounts the electrical device on its outer surface, positioning it away from both the guide member (preventing mechanical interference) and the bicycle frame (preventing signal interference). This intermediate positioning maintains wireless signal intensity while utilizing available space.
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 a compact, efficient, and user-friendly electrical seatpost assembly that utilizes space effectively, supports wireless operation, and simplifies battery management, enhancing the cycling experience by reducing manual intervention and improving power supply reliability.
Implementation Method 1
The guide member is disposed between the first cylinder and the second cylinder to slidably guide the second cylinder with respect to the first cylinder
Implementation Method 2
a seal provided at the first end to seal a gap between the first and second cylinders
Data Source
AI summary
An electrical seatpost assembly comprises a first cylinder, a second cylinder, a guide member, a positioning structure, an electrical actuator, and an electrical device. The guide member is disposed between the first cylinder and the second cylinder to slidably guide the second cylinder with respect to the first cylinder. The positioning structure is to adjustably position the second cylinder relative to the first cylinder in a telescopic direction. The electrical actuator is to actuate the positioning structure in accordance with an electrical signal. The electrical device is mounted to the first cylinder. An upper end of the electrical device is disposed above a lower end of the guide member in the telescopic direction in a mounting state where the first cylinder is mounted to a bicycle frame.