Compact Cooling Assembly Retention for Dense Server Sleds
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Solution Overview
Problem
Thermal management challenges arise in high-performance data center computing due to the increasing density of computers and networks, requiring innovative cooling solutions to maintain optimal operating conditions.
Innovation Solution
A compact form factor cooling assembly retention system is designed to enhance thermal management by optimizing airflow and component placement on sleds, enabling higher performance and ease of upgradeability while maintaining efficient cooling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If cooling assemblies are designed for compact form factors to increase computing density, then computing performance per unit space is improved, but thermal management becomes more challenging
Solution Approach 1:
The cooling assembly is integrated within the sled structure, with cooling channels and components nested among the computing components. The retention mechanism is embedded in the sled framework, allowing the cooling system to occupy interstitial spaces rather than requiring separate dedicated volume, thereby achieving compact form factor while maintaining effective thermal management.
Solution Approach 2:
A retention mechanism acts as an intermediary component that simultaneously secures the cooling assembly to the sled and facilitates thermal coupling. This mechanism enables the cooling assembly to be firmly positioned for effective heat transfer while allowing for easy installation and removal, resolving the contradiction between compact integration and thermal management effectiveness.
2Productivity
If computing components are packed at higher density to increase performance, then computing capability is improved, but thermal dissipation becomes more difficult
Solution Approach 1:
The cooling assembly utilizes fluid-based thermal management with channels and pathways designed to maximize coolant flow efficiency. The retention mechanism ensures optimal positioning of the cooling assembly to maintain effective thermal coupling with high-density computing components, enabling efficient heat removal despite increased component density and power dissipation.
3Volume of moving object
If cooling assemblies are tightly integrated to save space, then form factor is reduced, but ease of upgrade becomes more difficult
Solution Approach 1:
The cooling system is segmented into a modular cooling assembly that can be independently retained and removed from the sled. The retention mechanism is designed as a separate, standardized interface that enables tool-free or minimal-tool installation and removal, allowing upgrade operations to be performed without affecting other sled components or requiring disassembly of the integrated cooling structure.
Solution Approach 2:
The retention mechanism incorporates dynamic elements such as spring-loaded clips, cam-actuated locks, or snap-fit features that enable quick engagement and disengagement. This dynamic retention system maintains firm integration during operation for optimal thermal contact while allowing rapid release for upgrade operations, resolving the contradiction between tight integration and ease of maintenance.
Data Source
AI summary
An apparatus is described. The apparatus includes a bolt to be inserted through a first hole in a cooling mass, a second hole in a planar mechanical element and a third hole in an electronic circuit board when the first, second and third holes are aligned. The apparatus includes a first spring element to be coupled to the cooling mass and the bolt. The first spring element is to be deformed from its nominal shape when the bolt is fastened to the electronic circuit board to draw the base of the cooling mass toward the electronic circuit board. The second spring element is to be coupled to the planar mechanical element and the bolt. The second spring element is to be deformed from its nominal shape to draw the planar mechanical element toward the electronic circuit board.