Wireless Charging Module Embedded in Mobile Device Enclosure
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Solution Overview
Problem
Mobile computing devices face space limitations due to integrated wireless charging modules, which restrict battery size and capacity and hinder thermal solutions, leading to performance throttling and limited device efficiency.
Innovation Solution
Embedding a wireless charging module within the device enclosure, allowing for additional space for a larger battery or reduced device size, while also serving as a thermal spreader and potentially simplifying manufacturing by integrating insulative and shielding materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a wireless charging module is integrated inside the device enclosure, then wireless charging capability is achieved, but the available space for battery and thermal management is reduced
Solution Approach 1:
The wireless charging module is merged with the device enclosure structure itself, where the enclosure portions serve dual functions as both protective housing and charging components. This integration eliminates the need for separate dedicated spaces for wireless charging hardware, thereby preserving battery volume while achieving wireless charging capability.
Solution Approach 2:
The device enclosure is designed to perform multiple functions: structural protection, thermal management, and wireless charging. By making the enclosure itself capable of wireless charging through embedded coils or conductive elements, the design achieves multi-functionality without compromising battery space or requiring additional internal components.
2Adaptability or versatility
If a wireless charging module is integrated inside the device enclosure, then wireless charging capability is achieved, but thermal management options are limited
Solution Approach 1:
Thermal management functions are merged with the wireless charging module and enclosure structure. The same conductive elements and heat dissipation pathways that manage battery thermal loads are utilized to dissipate heat generated by the wireless charging coils, thereby simplifying the overall thermal management system while maintaining effective heat control.
3Length of moving object
If the device enclosure dimensions are reduced to accommodate embedded wireless charging module, then device portability is improved, but manufacturing precision requirements increase
Solution Approach 1:
The device enclosure is segmented into distinct functional zones during the molding process, with dedicated cavities or recesses designed for receiving and positioning the wireless charging module components. This segmentation allows for standardized, pre-manufactured charging elements to be integrated into the enclosure with controlled tolerances, reducing the overall manufacturing precision burden while achieving compact dimensions.
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 design enhances device efficiency by increasing battery life and performance, reducing manufacturing complexity, and improving thermal management within the same enclosure dimensions.
Implementation Method 1
The wireless charging module is configured to wirelessly communicate with an external charging device to induce a current in the wireless charging unit
Implementation Method 2
at least one insulative element formed in the region, wherein the at least one insulative element includes at least one electrically insulative material
Data Source
AI summary
An example mobile computing device includes at least one processor, a battery, and a device enclosure. The device enclosure at least partially encloses the mobile computing device. At least one portion of the device enclosure comprises at least one first element, a region that is at least partially formed in and at least partially surrounded by the at least one first element, at least one insulative element formed in the region, wherein the at least one insulative element includes at least one electrically insulative material, and a wireless charging module included in the region. The wireless charging module is configured to wirelessly communicate with an external charging device to induce a current in the wireless charging unit, and wherein the current is used to charge the battery of the mobile computing device.