Wireless EV Battery Charging Target Adjustment
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Solution Overview
Problem
Electric vehicles face challenges in managing battery charge levels during wireless charging, particularly in ensuring sufficient energy to reach charging locations and destinations without manual intervention, as existing systems lack effective real-time status indicators and adaptive charging targets based on route and usage patterns.
Innovation Solution
A system and method for battery charge management that includes a battery status module for displaying charge status, a charging target module for setting desired charge levels, and a target adjustment module that dynamically adjusts charging targets based on predicted usage and location, along with a charging alert module to notify drivers of low charge conditions, ensuring optimal energy levels for route completion and destination arrival.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless battery charging is implemented without direct physical connection, then charging freedom and speed are improved, but real-time charge status monitoring and adaptive target adjustment become more difficult
Solution Approach 1:
The patent introduces an electronic display as an intermediary device that visually communicates battery charge status and charging targets to the driver. The display shows graphical representations of charge levels, target charge levels, and route information, bridging the information gap created by wireless charging without physical connectors.
Solution Approach 2:
The patent replaces mechanical information transfer (through physical connectors and switches) with electronic and optical systems. The charge status information is transmitted wirelessly and displayed graphically, substituting mechanical contact-based monitoring with field-based sensing and visual display.
2Device complexity
If fixed charging targets are used, then charging process simplicity is maintained, but adaptability to varying routes and usage patterns is reduced
Solution Approach 1:
The patent implements dynamic charging targets that automatically adjust based on detected route information and usage patterns. The system modifies charge level targets in real-time according to the vehicle's planned route, distance to charging locations, and predicted energy consumption, transforming static charging control into an adaptive system.
Solution Approach 2:
The patent incorporates feedback loops where the system continuously monitors charge status, compares it with target levels, and adjusts charging parameters accordingly. The electronic display provides visual feedback to the driver about current charge status and target achievements, enabling closed-loop control of the charging process.
3Measurement precision
If real-time charge status monitoring is implemented, then energy management accuracy is improved, but system complexity and power consumption increase
Solution Approach 1:
The patent uses color-coded graphical indicators on the electronic display to represent different charge status levels. Different colors indicate different charge levels, target achievement states, and alert conditions, providing intuitive visual information about battery status without requiring complex numerical displays or interfaces.
Solution Approach 2:
The patent creates simplified visual copies or representations of the actual battery charge status through graphical icons and indicators. Instead of displaying raw electrical parameters, the system generates visual analogues that represent charge levels and targets, making complex information accessible and understandable to the driver.
Data Source
AI summary
An apparatus for charge management for an electric vehicle is disclosed. A system and method also perform the functions of the apparatus. The apparatus includes a battery status module that displays a battery charge status indicator on an electronic display of an electric device. The battery charge status indicator is for a battery providing power to the electric device. The apparatus includes a charging target module that displays a charging target on the electronic display. The charging target is related to the battery charge status indicator and indicates a desired charge level for the battery. The apparatus includes a target adjustment module that adjusts the charging target based on a predicted next battery charging and battery usage, wherein the battery charging and usage are based on a schedule and/or a planned route.