Battery Pack Support Structure for Multi-Interface Tool Compatibility
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Solution Overview
Problem
Existing battery packs lack versatility in connecting to various devices due to fixed interface sizes and terminal configurations, limiting their compatibility with different power devices and charging requirements.
Innovation Solution
A battery pack housing with a support portion that includes multiple terminals and rails for mechanical and electrical connection, accommodating various device interfaces of different sizes and shapes, featuring a central recess and interchangeable terminal configurations to bypass current sensing circuits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a battery pack uses a fixed interface size and terminal configuration, then the structural design is simplified, but the compatibility with different power devices and charging requirements is limited
Solution Approach 1:
The battery pack support portion is designed with a universal interface structure that can accommodate multiple different device interfaces including high power device interfaces, low power device interfaces, and charging device interfaces. This multi-functional design allows a single battery pack to work with various devices of different sizes and power requirements without requiring multiple specialized battery packs.
Solution Approach 2:
The support portion includes a central recess that divides the interface accommodation space into different regions, allowing different device interfaces to be positioned at different locations. This segmentation enables the battery pack to handle multiple interface types simultaneously or alternatively, resolving the contradiction between versatility and structural simplicity.
2Adaptability or versatility
If the battery pack support portion accommodates multiple different device interfaces of varying sizes and shapes, then device compatibility is enhanced, but the structural design becomes more complex
Solution Approach 1:
The support portion utilizes three-dimensional space effectively by incorporating a central recess that creates vertical and horizontal differentiation. Device interfaces of different sizes and shapes can be accommodated at different positions and orientations within this multi-dimensional space, allowing versatile interface accommodation without proportionally increasing overall structural complexity.
Solution Approach 2:
Different regions of the support portion are designed with locally optimized characteristics - the central recess provides a specific geometry for certain interface types, while other areas accommodate different interface configurations. This local quality approach allows each region to be optimized for its specific function while contributing to the overall versatility of the battery pack.
3Adaptability or versatility
If the battery pack includes multiple terminals for different device interfaces, then the electrical connection versatility is improved, but the manufacturing complexity increases
Solution Approach 1:
Multiple terminals for different device interfaces are integrated into a single unified support portion structure. This merging of multiple electrical connection functions into one consolidated component simplifies the manufacturing process by reducing the number of separate parts that need to be assembled, while still providing versatile terminal connection capabilities for high power devices, low power devices, and charging devices.
Data Source
AI summary
A battery pack including a housing, a plurality of battery cells located within the housing, and first, second, third, and fourth battery pack terminals. The housing includes a battery pack support portion configured to removably mechanically connect the battery pack to a first device and a second device. The first battery pack terminal is configured to electrically connect the battery pack to an interface of the first device. The second battery pack terminal is configured to electrically connect the battery pack to an interface of the second device. The third battery pack terminal is configured as a bypass terminal configured to bypass a current sensing circuit. The fourth battery pack terminal is configured to electrically connect the battery pack to the interface of the first device and the interface of the second device.