Wireless Charging Pad Thermal Management via Convection Cooling
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Solution Overview
Problem
Current wireless power delivery systems face challenges in efficiently managing power distribution and thermal management, leading to potential overheating and reduced efficiency in charging processes.
Innovation Solution
The implementation of a wireless power delivery system that incorporates convection cooling through inclined surfaces with vents, thermally conductive magnetic shields, and heat pipes, along with a wireless charging pad that dynamically adjusts power levels and utilizes thermal control mechanisms to manage heat and optimize power transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If wireless power delivery is increased to meet high power demands, then power transfer capability is improved, but thermal management becomes more difficult and overheating occurs
Solution Approach 1:
The patent segments the thermal management function by introducing separate cooling channels and heat dissipation paths within the charging pad structure. This allows heat to be actively managed through dedicated thermal pathways rather than passive dissipation, enabling higher power transfer while maintaining temperature control.
Solution Approach 2:
The patent introduces thermal interface materials and heat spreaders as intermediary components between the wireless power transmission elements and the cooling system. These intermediaries facilitate efficient heat transfer from high-power components to cooling channels, resolving the contradiction between high power delivery and thermal management.
2Temperature
If cooling structures are added to manage thermal heat, then thermal management is improved, but device complexity increases
Solution Approach 1:
The patent merges the cooling channels directly into the charging pad housing structure, combining the thermal management function with the structural body. This integration approach provides effective cooling while minimizing the addition of separate components, thus reducing overall device complexity.
Solution Approach 2:
The patent designs the charging pad structure to serve multiple functions: the housing provides both structural support and integrated cooling pathways. This multi-functionality reduces the need for separate dedicated cooling components, simplifying the overall device architecture while maintaining effective thermal management.
3Productivity
If dynamic power adjustment is implemented to optimize charging, then charging efficiency is improved, but control system complexity increases
Solution Approach 1:
The patent implements feedback mechanisms that monitor charging parameters and thermal conditions in real-time, automatically adjusting power delivery to optimize charging efficiency while preventing overheating. This feedback-based control achieves dynamic optimization without requiring complex manual intervention systems.
Solution Approach 2:
The patent enables the wireless charging system to self-regulate power delivery based on detected conditions, with the control system automatically adjusting parameters to maintain optimal charging efficiency. This self-service capability reduces the need for complex external control mechanisms while maintaining high charging efficiency.
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
This solution enables efficient power distribution, reduces overheating, and enhances the overall efficiency of the wireless charging process by utilizing natural convection cooling and advanced thermal management techniques.
Implementation Method 1
an antenna utilizing a heat pipe
Implementation Method 2
thermally conductive magnetic shields
Implementation Method 3
convection cooling through inclined surfaces with vents
Implementation Method 4
utilizing natural convection cooling
Implementation Method 5
thermally conductive magnetic shields
Data Source
AI summary
An information handling system includes a wireless charging module, a capacitor, and a control module. The wireless charging module receives wireless power from a wireless charging pad, and provides power to other components in the information handling system. The control module receives a turbo mode request, and determines whether the wireless charging module of the information handling system has sufficient power delivery capability to enable a turbo mode of the information handling system. The wireless power charging module provides power to the capacitor in response to the turbo mode request being received and the wireless charging module having sufficient power delivery capability. The control module determines whether a first voltage of the capacitor is substantially equal to a second voltage of a second capacitor in the information handling system, and in response to the first voltage being substantially equal to the second voltage the capacitor to provide power for the turbo mode.