Inductive Power Transfer Pad Cooling With Directed Airflow
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Solution Overview
Problem
Inductive power transfer pads face challenges in effectively dissipating heat, leading to potential component damage due to overheating, as conventional heat dissipation methods may not be sufficient in all scenarios.
Innovation Solution
The integration of an airflow generating system within the inductive power transfer pad to direct airflow into the surroundings, either from the pad's interior or exterior, effectively removing heated air and creating a cooling effect by circulating air through the pad and along its surfaces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heat dissipation methods are used, then the structure remains simple, but heat dissipation effectiveness is insufficient leading to overheating
Solution Approach 1:
The patent applies pneumatic principles by introducing an airflow generating system that uses air movement to dissipate heat from the inductive power transfer pad. The system generates controlled airflow to actively cool the pad surface, transitioning from passive thermal conduction to active convective cooling, thereby significantly improving heat dissipation effectiveness while accepting increased system complexity.
2Reliability
If an airflow generating system is integrated, then heat dissipation is enhanced, but device complexity increases
Solution Approach 1:
The patent converts the harmful effect of heat generation during inductive power transfer into a beneficial cooling mechanism. By utilizing the same operational environment and integrating the airflow system to actively remove heat, the system transforms the thermal challenge into an opportunity for enhanced reliability through active thermal management.
3Temperature
If airflow is directed into the surroundings, then heated air is removed effectively, but energy consumption increases
Solution Approach 1:
The patent employs parameter changes by controlling airflow characteristics (velocity, direction, volume) to optimize cooling efficiency while managing energy consumption. The system adjusts airflow parameters dynamically to achieve effective heat removal without excessive energy input, balancing cooling performance with operational 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 enhances heat dissipation, reducing the risk of overheating and extending the operational lifespan of inductive power transfer pad components by actively removing accumulated heat, thus ensuring efficient energy transfer and system reliability.
Implementation Method 1
an airflow generating system configured to generate an airflow during an inductive power transfer, the airflow being directed into the surroundings of the inductive power transfer pad
Implementation Method 2
a conductor arrangement for generating or receiving an electromagnetic field during an inductive power transfer
Implementation Method 3
circulating air through the pad and along its surfaces
Data Source
AI summary
The invention relates to an inductive power transfer pad (10), comprising a conductor arrangement (36) for generating or receiving an electromagnetic field during an inductive power transfer and an airflow generating system (37) that is configured to generate an airflow (22) during an inductive power transfer, said airflow (22) being directed into the surroundings of the inductive power transfer pad (10). Further, the invention relates to an arrangement (11) for an inductive power transfer and a method for cooling an inductive power transfer pad (10).