Wireless Charging Control for Electrical Noise Disruptions
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Solution Overview
Problem
Wireless battery charging connections are prone to disruption due to electrical noise, leading to unnecessary charge cycles and potential battery damage, which negatively impacts user experience and battery longevity.
Innovation Solution
Implementing a system that detects disruptions caused by electrical noise and suppresses unnecessary notifications, and temporarily disables charging when certain conditions are met to reduce battery stress and prevent damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If wireless charging connection is maintained continuously, then charging efficiency is improved, but electrical noise causes disruptions leading to unnecessary charge cycles and battery damage
Solution Approach 1:
The system performs preliminary detection of electrical noise conditions before they cause harmful charge cycles. The controller monitors charging conditions and detects electrical noise patterns, allowing it to take preventive action by interrupting the charging connection before the noise can cause battery damage or unnecessary charge cycles.
Solution Approach 2:
The system converts the harmful effect of electrical noise into a beneficial detection signal. By monitoring for electrical noise disruptions, the system identifies when interference is present and uses this information to make intelligent charging decisions, turning the previously harmful noise into a trigger for protective charging management.
2Reliability
If charging connection is interrupted due to electrical noise, then battery damage is reduced, but user experience deteriorates due to frequent disconnections and notifications
Solution Approach 1:
The system applies partial action by selectively interrupting charging only when electrical noise is detected, rather than continuously interrupting or maintaining charging regardless of conditions. This partial intervention protects the battery from noise-induced damage while minimizing disruptions to the charging process and user experience.
Solution Approach 2:
The system implements feedback by continuously monitoring charging conditions and using this information to control the charging connection. The controller receives feedback about electrical noise levels and charging status, then adjusts the charging connection accordingly, creating a closed-loop system that balances battery protection with charging efficiency and user experience.
3Reliability
If noise detection and charging control system is implemented, then unnecessary charge cycles are reduced, but device complexity increases
Solution Approach 1:
The system performs self-service by using the device's existing processing capabilities to detect electrical noise and control charging without requiring external monitoring equipment. The controller leverages the device's own sensors and processing power to monitor charging conditions and make charging decisions, eliminating the need for additional complex hardware.
Solution Approach 2:
The charging controller performs multiple functions: it manages normal charging operations, detects electrical noise conditions, determines charging connection status, and controls charging interruption decisions. By consolidating these diverse functions into a single controller, the system avoids the complexity of separate dedicated components for each function.
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
Reduces the likelihood of battery damage and improves user experience by minimizing unnecessary charge cycles and thermal events during wireless charging.
Implementation Method 1
a rechargeable battery that can be charged wirelessly... via inductive charging
Data Source
AI summary
Systems, methods, and computer-readable media are disclosed for improved wireless battery charging. The device may include a battery, and may be configured to determine that the battery is de-coupled from a wireless charger at a first time, determine that the battery is coupled to the wireless charger at a second time, determine that a first elapsed time between the first time and the second time is equal to or less than a first threshold, and cause charging of the battery to be disabled for a first time duration.