U-Shaped Ventilation Channel Cooling for Computer Power Connectors
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Solution Overview
Problem
The challenge of stagnant air leading to increased heating in volumes between air moving devices and power connectors in computing systems, particularly in data centers, results in thermal wear and reduced reliability of components like power cables and busbars.
Innovation Solution
Implementing a ventilation channel device with U-shaped inlets and outlets that channel air from the back side of the chassis to the air mover intakes, preventing stagnant air and enhancing airflow to cool power connectors, power cables, and busbars.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If air movers are positioned at the back side of the chassis to cool components, then cooling effectiveness is improved, but stagnant air forms in volumes between air movers and power connectors causing increased heating
Solution Approach 1:
The ventilation system is segmented into multiple functional zones: primary cooling airflow from air movers, secondary ventilation through the U-shaped channel device, and dedicated stagnant air drainage paths. This segmentation allows different airflow patterns to address specific thermal challenges in different chassis regions simultaneously.
Solution Approach 2:
The U-shaped ventilation channel device acts as an intermediary structure that captures stagnant air from difficult-to-reach volumes and redirects it to active airflow zones near air mover intakes. This intermediary channel prevents stagnant air accumulation without requiring direct modification of air mover positioning or power connector placement.
2Power
If power connectors are positioned at the back side of the chassis for power delivery, then power distribution is achieved, but thermal wear increases due to poor airflow and heat accumulation
Solution Approach 1:
The ventilation system provides localized quality improvement by directing enhanced airflow specifically to regions with power connectors and cables that require thermal management. The U-shaped channel creates focused ventilation zones around power distribution components without affecting overall system architecture.
Solution Approach 2:
The ventilation channel device performs preliminary ventilation action by preemptively capturing and redirecting stagnant air before it can cause significant thermal accumulation around power connectors. This proactive approach prevents thermal wear before it accelerates component degradation.
3Loss of energy
If air movers are placed along the second side of the chassis for cooling, then heat removal is improved, but dead air volumes create stagnant regions with increased heating
Solution Approach 1:
The U-shaped ventilation channel introduces a dimensional solution by creating a three-dimensional airflow path that accesses stagnant volumes inaccessible to conventional linear airflow patterns. The channel extends into dead air spaces and redirects them along a curved path to active cooling zones, utilizing spatial dimensionality to overcome airflow stagnation.
Solution Approach 2:
The ventilation channel ensures continuous useful action by maintaining constant airflow through previously stagnant regions. The U-shaped design creates uninterrupted ventilation paths that continuously exchange air in dead zones with fresh air from active cooling zones, preventing periodic or intermittent stagnation.
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 ventilation channel device improves cooling efficiency, reducing thermal wear on components and increasing their reliability and lifespan by ensuring consistent airflow and heat removal.
Implementation Method 1
a ventilation channel device having an inlet disposed between the first length and the second side and having an outlet disposed between the intake and the first side
Implementation Method 2
an air mover configured to create airflow in a direction along the first dimension
Implementation Method 3
ensuring consistent airflow and heat removal
Data Source
AI summary
A ventilation channel device may be used to provide cooling to components of a computing device. A ventilation channel device may be U-shaped and may be installed within a volume that is physically between fans. The bottom of the U-shaped may include air inlets, and those air inlets may lead to air outlets that are disposed near air intakes of the fans. The U-shape may be hollow from the inlets to the outlets, thereby allowing airflow from the inlets to the outlets. As a result, the air volume, located between the fans, may be moved by flowing through the ventilation channel device.