Wireless Charging Pad Airflow Layout for Heat-Limited Charging
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Wireless charging devices experience reduced efficiency due to heat generated by both the device and the mobile device, which affects charging performance.
Innovation Solution
A wireless charging device with a casing, wireless charging module, and fan, where the placement region for the electronic device is located at one side of the air inlet, allowing airflow to cool the device and module, maintaining optimal temperatures for efficient charging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless charging is implemented to enable mobile devices to charge while connected to the vehicle system, then user convenience and connectivity are improved, but heat generation increases and charging efficiency decreases
Solution Approach 1:
The patent extracts the heat dissipation function from the overall charging system by introducing a dedicated fan and airflow path. The fan is positioned to create a separate air circulation system that specifically targets heat removal from both the wireless charging device and the mobile device, allowing the charging function to operate independently from thermal management constraints.
Solution Approach 2:
The patent segments the interior space into distinct functional zones: a placement region for the mobile device, a wireless charging module region, and an airflow path. This segmentation allows optimized thermal management where airflow can be directed specifically through the placement region to cool the mobile device before entering the charging module region, addressing heat issues in each zone separately.
2Power
If both the wireless charger and mobile device generate heat during charging, then charging function is maintained, but temperature increases and charging efficiency is reduced
Solution Approach 1:
The patent implements preliminary cooling action by positioning the airflow path to first pass through the placement region where the mobile device is located, before the air enters the interior space containing the wireless charging module. This preliminary cooling reduces the temperature of the mobile device at the source, preventing excessive heat buildup before it affects the charging process.
Solution Approach 2:
The patent introduces air as an intermediary cooling medium between the heat-generating components (mobile device and wireless charging module) and the external environment. The fan-driven airflow acts as a mediator that transfers heat from these components to the surrounding air, which is then exhausted through the air outlet, maintaining lower operating temperatures without interfering with the charging 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
The airflow effectively cools both the electronic device and the wireless charging module, maintaining desired temperatures and enhancing charging efficiency.
Implementation Method 1
The fan is disposed in the interior space and configured to suck air into the interior space through the at least one air inlet and blow air out of the interior space through the air outlet
Implementation Method 2
the airflow can firstly pass by the electronic device to cool the electronic device, then the airflow enters into the interior space to cool the wireless charging module
Data Source
AI summary
A wireless charging device includes a casing, a wireless charging module and a fan. The casing has an interior space, at least one air inlet, an air outlet and a support surface. The air inlet and the air outlet are in fluid communication with the interior space, the support surface faces away from the interior space. The support surface has at least one placement region, the placement region is located at one side of the air inlet, and the placement region is configured for the electronic device to be placed thereon. The wireless charging module is disposed in the interior space and corresponds to the at least one placement region. The fan is disposed in the interior space and configured to suck air into the interior space through the at least one air inlet and blow air out of the interior space through the air outlet.