Open Chassis Server Module Reliefs and Cross-Member Tabs
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Solution Overview
Problem
Existing server rack designs face challenges in achieving higher density storage while maintaining serviceability, as the increased density of storage devices complicates maintenance and efficient use of valuable real estate in data centers.
Innovation Solution
The open chassis design incorporates an end frame with connected beams and columns, featuring reliefs and notches for component clearance, and a cross-member with tabs for secure assembly, allowing for efficient mounting of circuit boards and PCI modules, enhancing serviceability and air flow through fan openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the density of storage devices in server racks is increased to maximize space utilization, then the efficiency of footprint usage is improved, but the serviceability of the server rack deteriorates
Solution Approach 1:
The server rack is divided into multiple rack units, each rack unit containing a specific number of storage devices. This segmentation allows technicians to work on individual rack units independently, improving serviceability while maintaining high overall density. The modular rack unit design enables isolated maintenance without requiring access to the entire rack structure.
Solution Approach 2:
The patent introduces vertical segmentation by stacking multiple rack units vertically within the rack structure. This dimensional organization allows for high density in the vertical direction while maintaining horizontal accessibility for service operations. Each rack unit occupies a defined vertical space that can be independently accessed.
2Productivity
If the density of storage devices is increased to reduce costs, then the cost efficiency is improved, but the difficulty of maintenance increases
Solution Approach 1:
By segmenting the rack into standardized rack units with consistent internal configurations, the patent enables repeatable maintenance procedures. Each rack unit follows the same design pattern, allowing technicians to develop muscle memory and efficiency in maintenance tasks, thereby reducing maintenance difficulty despite increased overall density.
Solution Approach 2:
The patent standardizes key parameters of rack units including device spacing, mounting configurations, and access clearances. These parameter standardizations ensure that maintenance operations remain consistent across all rack units, preventing maintenance difficulty from increasing with density. The standardized parameters are optimized to maintain serviceability while maximizing device capacity.
Data Source
AI summary
Technology is provided for an open chassis for use with server modules. The open chassis includes an end frame having opposed upper corner portions and opposed lower corner portions. A pair of lower beams, each having a proximal end portion, are connected to a respective lower corner portion of the end frame. A pair of upper beams, each having a proximal end portion, are connected to a respective upper corner portion of the end frame. First and second columns extend between distal end portions of the lower beams and the upper beams. A cross-member extends between the distal end portions of the lower beams. Each beam includes an outward facing surface and an inward facing surface, and at least one of the beams includes a relief formed in its corresponding inward facing surface.