EV Battery QR Tracking for Real-Time Health Status Access
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Solution Overview
Problem
Current methods for tracking electric vehicle (EV) battery health and usage are inconvenient, inefficient, and unable to provide real-time, updated data, which is crucial for user decision-making when renting or purchasing an EV.
Innovation Solution
Utilizing QR codes, NFC tags, or RFID tags affixed to EVs to link with battery health and usage data, enabling mobile device applications to display relevant information via a graphical user interface, including battery status, usage history, and predicted remaining life, potentially using machine learning models.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional static stickers or tags are used to display vehicle information, then the information is permanently fixed and easy to display, but the battery health and usage data cannot be updated in real-time
Solution Approach 1:
The patent uses QR codes as a simplified copy or representation of the vehicle's battery data. Instead of displaying all detailed battery information directly on the vehicle tag, the QR code contains a reference or link to the full dataset stored remotely, allowing users to access comprehensive real-time information through mobile devices without complicating the physical tag structure
Solution Approach 2:
The patent introduces a mobile device application as an intermediary between the vehicle's battery system and the user. The app communicates with the vehicle's onboard systems through the QR code reference, retrieves real-time battery data, and presents it in an user-friendly format, thereby enabling dynamic data display without requiring complex embedded displays or processors in the vehicle tag itself
2Ease of operation
If real-time battery data is accessed through mobile applications, then user decision-making is enhanced, but the system requires additional components and infrastructure
Solution Approach 1:
The patent leverages the universality of QR code technology, which is already widely recognized and scanned by mobile devices. By using this existing universal interface, the system avoids requiring users to learn new interaction methods or carry specialized scanning equipment, thereby enhancing ease of operation while minimizing the need for additional proprietary infrastructure
Solution Approach 2:
The system enables users to self-service their own battery information needs by allowing them to scan the QR code and retrieve their own vehicle's battery data using their personal mobile devices. The onboard system automatically provides the data when queried, eliminating the need for manual data entry or consultation with dealership staff, thus improving convenience without proportionally increasing system complexity
3Loss of information
If detailed battery information is displayed continuously, then user awareness is improved, but energy consumption and data privacy concerns increase
Solution Approach 1:
The patent extracts the detailed battery information display function from the vehicle's onboard system and relocates it to the user's mobile device. The vehicle only needs to provide data when queried through the QR code scanning process, rather than continuously powering display screens or communication modules. This extraction significantly reduces the vehicle's energy consumption while maintaining full information accessibility for the user on demand
Data Source
AI summary
A computer-implemented method in a mobile computing device for tracking health and usage of electric vehicle (EV) batteries using Quick Response (QR) codes (or NFC or RFID tags) is provided. The method may include (1) capturing, by a camera associated with a mobile computing device, an image of a tag affixed to an EV; (2) analyzing the image of the tag affixed to the EV; (3) identifying, by the one or more processors of the mobile computing device, the EV based upon analyzing the image of the tag affixed to the EV; (4) determining vehicle battery data associated with a rechargeable battery that powers the identified EV; (5) determining based upon the vehicle battery data associated with the rechargeable battery that powers the identified EV, a battery status indication corresponding to the identified EV; and/or (6) providing, via a user interface, the battery status indication corresponding to the identified EV.