Movable PCIe Module for Server Cooling Access
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Solution Overview
Problem
The increasing power density and device count in servers lead to heat buildup and restricted cooling air flow, necessitating effective cooling solutions that accommodate the growing complexity without compromising access to the server chassis.
Innovation Solution
A PCIe module is movably coupled to a server chassis via a coupling element, allowing it to protrude externally in a docked position for enhanced cooling and retract to undocked positions to improve airflow and maintain integration, with an elastic element restoring the module to the docked position for optimal cooling air flow rates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the PCIe module is positioned in the front window of the chassis, then access to the module is improved, but cooling air flow is restricted due to blocked vent holes
Solution Approach 1:
The PCIe module is made movable between a docked position (protruding externally) and an undocked position (retracted into the chassis). When docked, the module provides easy access and presents external surface area for vent holes. When undocked, it clears the internal vent holes to allow cooling air flow. This dynamic positioning resolves the contradiction between accessibility and cooling efficiency.
2Power
If more devices are included in the server to increase computation power, then processing capability is improved, but heat buildup increases and cooling air flow is restricted
Solution Approach 1:
The movable PCIe module design allows the system to dynamically adjust the cooling configuration based on operational needs. When high computation power is required, the module can be positioned to maximize cooling air flow through the chassis vent holes, thereby managing the increased heat generation from higher device density and computation power.
3Quantity of substance
If the PCIe module protrudes externally from the chassis, then cooling air flow is enhanced, but access for maintenance becomes difficult
Solution Approach 1:
The module's ability to move between docked and undocked positions directly addresses this contradiction. For maintenance, the module is positioned in the docked state where it protrudes externally, providing easy access. For cooling optimization, it can be retracted to clear the vent holes. This dynamic repositioning allows the system to switch between maintenance mode and cooling mode as needed.
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 solution enhances cooling air flow rates by up to 50% when the PCIe module is in the docked position, while allowing for easier access and maintenance by moving the module to undocked positions, reducing obstruction and improving airflow pathways.
Implementation Method 1
the elastic element can be a spring
Data Source
AI summary
Described herein is a server that includes a server chassis having a front window for providing access to an interior receptacle of the server chassis. A docking station is located in the interior receptacle. The server also includes a PCIe module coupled to the docking station by a coupling element. The PCIe module protrudes externally from the interior receptacle through the front window in the docked position. The PCIe module can be moved to a plurality of undocked positions while remaining coupled to the docking station.