Split Exhaust Cooling for Small Form Factor PCs
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Solution Overview
Problem
Modern small form factor PCs face challenges in efficiently cooling high-performance components within a compact volume, leading to thermal management issues and limited operational temperature ranges.
Innovation Solution
The proposed cooling solution involves a split exhaust cooling apparatus with a housing unit, fan, heat sinks, and dual exhaust ports that direct air in multiple directions, along with a carrier plate and optional performance cooler to enhance heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If higher performance CPUs and denser configurations are incorporated to meet higher TDPs, then computational performance is improved, but thermal management becomes more difficult within small form factor devices
Solution Approach 1:
The exhaust path is segmented into multiple separate exhaust ports (first exhaust port and second exhaust port) that direct airflow in different directions. This segmentation allows heat to be expelled through multiple channels simultaneously, improving thermal management capability without increasing device volume, thus enabling higher TDP handling in small form factor devices.
Solution Approach 2:
The cooling solution utilizes three-dimensional spatial optimization by directing exhaust airflow in multiple directions (different dimensions) through strategically positioned exhaust ports. This multi-directional exhaust approach maximizes heat dissipation efficiency within the constrained volume by exploiting available spatial dimensions rather than relying solely on linear airflow paths.
2Volume of moving object
If compact volume is maintained for small form factor design, then device portability is improved, but heat dissipation efficiency deteriorates
Solution Approach 1:
The cooling system is segmented into multiple independent exhaust paths with separate ports positioned at different locations and orientations. This segmentation enables the system to maintain compact volume while achieving effective heat dissipation through distributed exhaust channels, preventing heat accumulation in any single region of the device.
Solution Approach 2:
The carrier plate serves multiple functions: it provides structural support, acts as a heat spreader, and facilitates component mounting. This multi-functionality reduces the need for additional dedicated cooling components, allowing effective heat dissipation to be achieved within the constrained volume of small form factor devices.
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 effectively increases the overall system Thermal Design Point (TDP) by improving airflow and heat exhaust efficiency, while maintaining low noise levels and ensuring optimal runtime temperatures within the small form factor PC.
Implementation Method 1
a fan located within the housing unit, a plurality of inlets on the housing unit for directing air to the fan, and a plurality of exhaust ports on the housing unit for directing air away from the fan
Implementation Method 2
at least one heat sink located on the housing unit, the at least one heat sink configured to engage and draw heat away from a component device
Data Source
AI summary
Apparatuses, systems, and methods are disclosed for techniques for small form factor device cooling. An apparatus includes a housing unit, a fan located within the housing unit, a plurality of inlets on the housing unit for directing air to the fan, and a plurality of exhaust ports on the housing unit for directing air away from the fan in multiple different directions.