NFC Battery Pack Pin Configuration for Multi-Tool Compatibility
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Solution Overview
Problem
Existing battery management systems for power equipment lack the ability to efficiently adapt and configure functions based on the specific type of equipment being powered, often requiring firmware updates or limiting customization options.
Innovation Solution
A battery management system that uses a near-field communication (NFC) reader to identify the type of equipment and configure data pins accordingly, allowing a generic battery pack to function uniquely with connected products without firmware updates, and includes a communication gateway for monitoring and transmitting operational parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a generic battery pack design is used to power multiple equipment types, then manufacturing cost and device complexity are reduced, but the ability to adapt to specific equipment requirements and customize functions is limited
Solution Approach 1:
The system performs preliminary identification of equipment type through NFC communication before operational configuration. The battery management system reads equipment identification information in advance, retrieves corresponding configuration parameters from memory, and pre-configures data pin functions before establishing full operational mode, enabling seamless adaptation without user intervention
Solution Approach 2:
The battery management system automatically configures itself based on detected equipment type. Through autonomous NFC reading, parameter retrieval, and data pin configuration, the system performs self-adaptation without requiring external firmware updates or manual setup, making the battery pack self-sufficient in adapting to different equipment requirements
2Adaptability or versatility
If firmware updates are implemented to enable customization for different equipment types, then adaptability is improved, but update time and system reliability are reduced due to additional update requirements
Solution Approach 1:
Equipment-specific configuration parameters are pre-stored in the battery management system's memory during manufacturing. When a new equipment type is detected via NFC, the system immediately retrieves the corresponding pre-configured parameters without requiring firmware updates, eliminating update waiting time while maintaining full customization capability
Solution Approach 2:
Instead of updating firmware for each equipment type, the system copies and applies pre-stored configuration parameter sets from memory that correspond to different equipment types. This parameter copying mechanism enables rapid adaptation without the time-consuming firmware update process
3Reliability
If multiple data pins are configured for different functions, then monitoring and control capabilities are enhanced, but device complexity and configuration difficulty increase
Solution Approach 1:
The system pre-configures multiple data pins with specific functions based on the detected equipment type. By retrieving equipment-specific parameter sets that define data pin assignments, the system automatically establishes comprehensive monitoring and control capabilities without requiring complex manual configuration of each pin
Solution Approach 2:
The battery management system autonomously configures its data pins based on equipment identification. Through self-service configuration, the system automatically assigns functions to multiple data pins for optimized monitoring and control, eliminating the need for users to manually configure complex pin assignments while achieving enhanced reliability
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
Enables intelligent, customizable battery packs that can efficiently adapt to various power equipment types, providing real-time monitoring and control without the need for firmware updates, enhancing design and operation efficiency.
Implementation Method 1
a near-field communication (NFC) reader configured to read the NFC tag information from the equipment interface
Data Source
AI summary
A battery pack includes a housing, a plurality of rechargeable battery cells, a connection interface, a near-field communication (NFC) reader, a battery management system, and a communication gateway. The connection interface is in communication includes a plurality of data pins, a positive terminal, and a negative terminal. The battery management system is in communication with the NFC reader and is configured to receive information from the NFC reader including an NFC tag identification, then retrieve stored parameters corresponding to the NFC tag identification, and configure at least one of the plurality of data pins based upon the stored parameters corresponding to the NFC tag identification.