Mobile Device Case with Refrigerant-Filled Cooling Chambers
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Solution Overview
Problem
Existing mobile device cooling solutions are expensive, mechanically complex, large, unwieldy, and impractical for use while carrying and operating the device, failing to effectively address overheating issues.
Innovation Solution
A user-removable protective case with a thermally-conductive body containing refrigerant-filled volumes and a thermally-resistant exterior, designed to securely hold and cool the device by direct contact with a refrigerant-cooled inner surface, featuring buttons and openings for device functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If existing cooling devices are used to cool mobile devices, then cooling effectiveness is improved, but device complexity, size, and cost increase significantly
Solution Approach 1:
The cooling function is merged with the protective case structure. The case body itself serves as the cooling device by incorporating refrigerant-filled chambers that directly contact the mobile device, eliminating the need for separate cooling apparatuses and reducing overall system complexity
Solution Approach 2:
The protective case performs multiple functions simultaneously: it protects the mobile device from physical damage while also providing cooling through integrated refrigerant chambers. This multi-functionality reduces the need for additional separate cooling devices
2Temperature
If existing cooling devices are used to cool mobile devices, then cooling effectiveness is improved, but portability and ease of use deteriorate
Solution Approach 1:
The cooling mechanism is combined with the protective case that users already carry with their mobile devices. This integration ensures the cooling device is always portable and ready to use whenever the user carries their device, eliminating the need for separate portable cooling apparatuses
3Temperature
If existing cooling devices are used to cool mobile devices, then cooling effectiveness is improved, but cost increases
Solution Approach 1:
The cooling function is integrated into the protective case manufacturing process. The case body is molded with internal refrigerant chambers as a single integrated component, eliminating the need for separate cooling device manufacturing and assembly, thereby reducing overall manufacturing costs
Solution Approach 2:
The protective case with integrated cooling chambers can be manufactured using cost-effective materials and processes. The case and its cooling function can be replaced as a single unit if needed, reducing the cost burden of sophisticated cooling technology
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 case efficiently cools the mobile device by direct thermal conduction, maintaining a low temperature for prolonged use, while being portable, easy to use, and cost-effective, without moving parts.
Implementation Method 1
The case efficiently cools the mobile device by direct thermal conduction
Data Source
AI summary
A case for a mobile device, including a perimetral sidewall extending between a back face and a screen, includes a body adapted to secure the mobile device and be hand-held by a user. The body has a sidewall extending outward from a back wall to a rim. The back wall and the sidewall define the body's an inner surface and outer surface. The inner surface forms a cavity configured to receive a mobile device through an opening encircled by the rim, the inner surface configured to contact the back face and surround and contact the perimetral sidewall, securing the mobile device when the cavity receives the mobile device through the opening. The body encloses a volume in the back wall, the volume filled with a refrigerant. The body additionally encloses a volume in the sidewall, the volume of the sidewall filled with a refrigerant.