Interchangeable Battery Tray Case for Multi-Battery Compatibility
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Solution Overview
Problem
Existing electrical apparatuses require separate configurations for different battery types, necessitating multiple devices for user convenience, which is inefficient and inconvenient.
Innovation Solution
An electrical apparatus with interchangeable tray units, each with distinct battery attachment arrangements and structures, allowing a single device to accommodate multiple battery types by switching between tray units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single electrical apparatus is designed to accommodate only one type of battery, then the device structure is simple, but user convenience deteriorates because multiple devices are needed for different battery types
Solution Approach 1:
The electrical apparatus is divided into a case body and multiple interchangeable tray units. Each tray unit is designed as an independent module that can be attached or detached from the case body. This segmentation allows the system to accommodate different battery types through separate tray units without complicating the main case structure, resolving the contradiction between versatility and device complexity
Solution Approach 2:
The case body is designed with a universal tray attachment portion that can accommodate multiple types of tray units with different battery configurations. The attachment mechanism uses standardized features (protrusions and recesses) that work across different tray unit types, enabling a single case body to serve multiple functions with different battery types while maintaining structural simplicity
2Ease of operation
If multiple separate electrical apparatuses are prepared for different battery types, then each device can be optimized for its specific battery, but user convenience deteriorates due to the need to manage multiple devices
Solution Approach 1:
Multiple tray units designed for different battery types are merged into a single electrical apparatus through the interchangeable tray system. Users can switch between battery types by simply detaching one tray unit and attaching another to the same case body, eliminating the need to manage multiple separate devices while maintaining ease of operation
3Adaptability or versatility
If tray units are made interchangeable with different battery attachment arrangements, then adaptability improves, but manufacturing complexity increases
Solution Approach 1:
Each tray unit is designed with specific local features (battery attachment portions, terminal arrangements, engagement structures) that are optimized for its intended battery type. The case body and attachment mechanism maintain standardized features. This approach allows different tray units to be manufactured with specialized local characteristics while using common manufacturing processes for the standardized portions, balancing adaptability with ease of manufacture
Data Source
AI summary
An electrical apparatus disclosed herein may include a first tray unit, a second tray unit, and a case body including a tray attachment portion configured to have selectively one of the first tray unit and the second tray unit attached thereto. The first tray unit may include a plurality of first battery attachment portions. The second tray unit may include a plurality of second battery attachment portions. An arrangement of the second battery attachment portions may be different from an arrangement of the first battery attachment portions, and/or a number of the second battery attachment portions may be different from a number of the first battery attachment portions, and/or an attachment structure of each of the second battery attachment portions for attaching the second battery may be different from an attachment structure of each of the first battery attachment portions for attaching the first battery.