Modular Scooter Frame for Battery Compatibility
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Solution Overview
Problem
The rapid advancements in battery technology for electric kick-scooters result in obsolescence of the entire vehicle due to non-standardized battery sizes, making it difficult to accommodate newer, more efficient batteries without redesigning the entire frame.
Innovation Solution
The kick-scooter frame is modularized into four interchangeable components, allowing for easy swapping of the battery module with different dimensions while keeping other components unchanged, enabling compatibility with various battery sizes and advancements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the frame is designed with a fixed battery space for current battery sizes, then the vehicle can accommodate existing batteries, but it cannot accommodate newer, larger batteries with improved technology
Solution Approach 1:
The frame is divided into modular components including a removable battery tray and battery mounting brackets. This segmentation allows the battery space to be independently adjusted or replaced without redesigning the entire frame structure, enabling compatibility with different battery sizes while maintaining overall frame integrity
Solution Approach 2:
The battery mounting system incorporates adjustable and removable elements that can be reconfigured for different battery dimensions. The dynamic nature of this mounting system allows it to adapt to varying battery sizes through simple adjustments rather than permanent fixed installations
2Reliability
If the entire vehicle is redesigned to accommodate newer batteries, then battery technology can be upgraded, but the cost and complexity of vehicle modification increases significantly
Solution Approach 1:
The battery and its mounting structure are extracted as a separate, independently replaceable module from the main frame. This allows battery upgrades to be implemented by simply removing the old battery assembly and installing a new one, without requiring modifications to the main frame or other vehicle components
Solution Approach 2:
The frame's battery mounting system is designed with universal compatibility features that can accommodate multiple battery sizes and configurations. This multi-functionality allows the same frame structure to support various battery technologies across different time periods without requiring redesign
3Use of energy by moving object
If non-standardized battery sizes are used, then battery capacity and efficiency can be optimized, but compatibility with the frame becomes difficult
Solution Approach 1:
The battery mounting system incorporates locally adjustable features at specific points where batteries attach to the frame. These localized adjustments allow the mounting system to adapt to different battery dimensions and shapes while maintaining secure attachment, enabling compatibility with non-standardized battery sizes
Data Source
AI summary
This design incorporates four separate modules which are bolted together in this succession: a welded, structural single-unit steering tube/downtube module; independent, twin, front-to-rear horizontal frame rails which serve as the support for the rider to stand; a welded, structural single-unit module to mount shock absorbers and a swingarm; and, a welded swingarm. The defined space between the twin frame rails and the two adjoining modules can be modified by altering the length of the frame rails and/or using spacers between each rail and its corresponding module at the bolt-on location.