Battery Pack NFC Control Architecture for Reliable Module Communication
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Solution Overview
Problem
Existing communication methods for battery packs in electric vehicles, particularly Near Field Communication (NFC), face challenges in ensuring seamless and secure communication between battery modules, the battery-pack control system module, and external electronic devices, leading to inefficiencies and risks of physical damage and network security issues.
Innovation Solution
A battery-pack control system utilizing NFC-based short-range wireless communication between battery modules, a Battery Management System (BMS) module, and external devices, incorporating multiple wireless communication modules (NFC and Bluetooth) to facilitate efficient data transmission and monitoring, with energy harvesting and camera modules for real-time status assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If NFC communication is used for battery module communication, then communication speed and security are improved, but communication reliability between modules deteriorates due to unresolved issues
Solution Approach 1:
The system divides the battery pack into multiple independent battery modules, each equipped with its own wireless communication module. This segmentation allows each module to communicate independently via NFC, resolving reliability issues by isolating communication failures to individual modules rather than affecting the entire system.
Solution Approach 2:
A control module acts as an intermediary between battery modules and external devices. The control module receives NFC communications from battery modules, processes the data, and manages communication with external electronic devices, thereby mediating potential communication conflicts and improving overall system reliability.
2Adaptability or versatility
If multiple wireless communication modules are installed in each battery module, then communication versatility is improved, but device complexity increases
Solution Approach 1:
The wireless communication module is designed with multi-functionality, supporting both NFC for short-range secure communication and Bluetooth for extended-range communication. This universal design allows a single module to perform multiple communication functions, reducing the need for separate dedicated modules for each communication type.
Solution Approach 2:
NFC and Bluetooth communication capabilities are merged into a single integrated wireless communication module within each battery module. This combination reduces device complexity by consolidating multiple communication functions into one unit while maintaining communication versatility.
Data Source
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AI summary
According to an embodiment of the present disclosure, a battery-pack control system using short-range wireless communication comprises at least one battery module, installed inside the battery pack; at least one first wireless communication module, installed in the battery module, configured to receive control signals from external sources and to transmit management data of the battery module to external systems, and communicating through NFC (Near Field Communication)-based short-range wireless communication; at least one second wireless communication module, installed inside the battery pack, positioned close to the first wireless communication module(s), and communicating with the first wireless communication module(s) through NFC-based short-range wireless communication; and a Battery Management System (BMS) module, installed in the battery pack, configured to communicate with the vehicle's Electronic Control Unit (ECU) via CAN (Controller Area Network) communication, and to communicate with the first wireless communication module, the second wireless communication module, and external electronic devices through NFC communication.