Wireless Charging Coil Detection for Autonomous Battery Navigation
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Solution Overview
Problem
Conventional batteries lack integrated logic and communication capabilities, leading to inefficiencies in charge management and potential device damage or loss due to battery failure, particularly in high-value applications like drones and aquatic robots.
Innovation Solution
The development of smart batteries with integrated logic and communication capabilities, including a power delivery module, measurement module, and charging module, which enable wireless charging and provide real-time battery life predictions, allowing for autonomous operation and reduced downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional batteries are used without integrated logic and communication capabilities, then device complexity is reduced, but battery management reliability deteriorates leading to potential device damage or loss
Solution Approach 1:
The patent combines the battery cell with integrated logic circuitry, communication modules, measurement capabilities, and charging management into a single smart battery unit. This merging of previously separate components (battery, controller, sensors, communication interfaces) into one integrated package enables autonomous battery management, real-time monitoring, and reliable communication with external devices, thereby improving battery management reliability while maintaining manageable complexity through unified design.
Solution Approach 2:
The smart battery incorporates autonomous logic that enables self-monitoring, self-diagnosis, and self-management of charging processes. The integrated measurement module continuously tracks battery state, and the logic circuitry automatically adjusts charging parameters and communicates status without external intervention, allowing the battery to serve itself and improve reliability through autonomous operation.
2Loss of time
If manual battery monitoring and charging management are used, then device complexity is minimized, but loss of time increases due to frequent manual intervention and battery failures
Solution Approach 1:
The smart battery incorporates measurement modules that continuously monitor battery parameters (charge level, temperature, voltage, current) and provide real-time feedback to the integrated logic. This feedback mechanism enables the battery to autonomously detect its state, communicate with external devices or charging systems, and trigger appropriate actions (such as seeking charge or alerting users), thereby reducing downtime and eliminating the need for manual monitoring while maintaining manageable complexity through automated closed-loop control.
Solution Approach 2:
The smart battery performs preliminary actions by continuously monitoring its state and predicting when charging is needed before the battery is fully depleted. The integrated logic and communication capabilities enable the battery to proactively seek charging opportunities, navigate to charging stations, and initiate charging processes automatically, preventing device downtime before it occurs rather than reacting after battery failure.
3Reliability
If wireless charging is implemented without detection capabilities, then charging speed is improved, but reliability deteriorates due to improper positioning and energy transfer inefficiency
Solution Approach 1:
The patent replaces manual positioning mechanisms with electromagnetic field-based detection and navigation. The smart battery uses measurement modules to detect electromagnetic fields emitted by wireless charging transmitters, determining their location and orientation without mechanical contacts or physical alignment mechanisms. This substitution of mechanical positioning with field-based detection improves wireless charging reliability by enabling automatic, precise positioning while reducing system complexity through contactless, automated field interaction.
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
Smart batteries enhance the reliability and efficiency of battery management, reducing the risk of device failure and extending the operational life of high-value devices by providing accurate battery life predictions and enabling autonomous charging.
Implementation Method 1
a transmit charging coil configured to transmit wireless energy
Implementation Method 2
a receive charging coil positioned to receive the wireless energy from the transmit charging coil
Data Source
AI summary
A transmit charging coil is driven to wirelessly transfer energy to a receiving charging coil. The wireless energy transfer can be adjusted in response to detecting the receive charging coil. Navigation of an un-manned vehicle may be adjusted in response to the wireless energy transfer.