NFC Battery Pack Output Switching for Multi-Tool Compatibility
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Solution Overview
Problem
Existing battery systems for power equipment lack versatility and efficiency in power output adjustment, compatibility with various equipment types, and effective management, leading to potential damage and reduced battery life.
Innovation Solution
A battery assembly with a modular design, NFC tag reader, and management circuit that adjusts electrical output parameters based on equipment type, communicates wirelessly, and monitors battery status, enabling compatibility and optimized power delivery across different power equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a battery system uses fixed power output without adjustment capability, then the device complexity is reduced, but the adaptability to different equipment types deteriorates
Solution Approach 1:
The battery system dynamically adjusts its power output based on real-time monitoring of equipment requirements and battery status. The control circuit modifies electrical parameters (voltage, current, power) dynamically rather than using fixed settings, enabling adaptation to different equipment types while maintaining manageable complexity through automated control.
Solution Approach 2:
The system changes electrical parameters (voltage, current, power output) to match different equipment requirements. By varying these parameters based on equipment type and battery status, the system achieves versatility without requiring complex mechanical adjustment mechanisms, as the changes are implemented through electrical control.
2Reliability
If the battery system lacks monitoring and management functions, then the device complexity is reduced, but the reliability of battery operation deteriorates
Solution Approach 1:
The battery system incorporates monitoring circuits that continuously track battery status (charge level, temperature, voltage, current) and provide feedback to the control circuit. This feedback mechanism enables automated adjustments to maintain safe operating conditions and prevent damage, improving reliability while keeping the system manageable through intelligent control rather than complex hardware.
Solution Approach 2:
The battery management system performs self-monitoring and self-regulation functions. The control circuit automatically adjusts power output and protects the battery based on monitored parameters without requiring external intervention or complex manual management systems, achieving high reliability through autonomous operation.
3Adaptability or versatility
If the battery system uses single communication protocol, then the device complexity is reduced, but the adaptability to different communication standards deteriorates
Solution Approach 1:
The communication gateway is designed with multi-functionality to support multiple communication protocols (Bluetooth, Wi-Fi, cellular, NFC). This universal design enables the battery system to communicate with various equipment types and mobile devices using different protocols, achieving broad compatibility while consolidating communication functions into a single integrated gateway rather than separate hardware for each protocol.
Data Source
AI summary
A battery pack includes a battery housing, a plurality of battery cells enclosed within the battery housing, a battery connector including a plurality of terminals, a near-field communication (NFC) tag reader, and a battery management system in communication with the NFC tag reader. The battery management system is configured to detect, via the NFC tag reader, a type of equipment connected to the battery connector, and change a battery electrical output parameter based on the type of equipment.