Server Rack Cable Trough for Airflow and Serviceability
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Solution Overview
Problem
Existing data center server racks face inefficiencies in cooling and servicing due to poor airflow and obstructed access caused by densely arranged cables and traditional power strip configurations, leading to increased energy consumption and temporary shutdowns of non-serviced servers.
Innovation Solution
The design incorporates a trough attached to the side of the server rack with separate compartments for data and power cables, using boots and covers to seal openings and improve airflow, and power strips with multiple phase outlets distributed throughout the height to reduce cable clutter and enhance serviceability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If server racks are densely arranged to share power supplies and monitors, then space utilization improves, but heat generation increases and cooling efficiency deteriorates
Solution Approach 1:
The server rack is divided into multiple zones with dedicated cable management troughs and power distribution units positioned at specific locations. This segmentation organizes cables and airflow paths, reducing thermal interference between adjacent server units while maintaining dense packing.
Solution Approach 2:
Dedicated cable management troughs and power distribution units act as intermediary structures that separate cable pathways from server units. These intermediaries improve airflow by preventing cable-induced blockages while maintaining compact rack configurations.
2Ease of manufacture
If traditional power strip configurations are used with phases arranged vertically, then power distribution is achieved, but cable clutter increases and serviceability deteriorates
Solution Approach 1:
The power distribution system transitions from vertical phase arrangement to horizontal phase arrangement within dedicated troughs. This dimensional change allows cables to be organized laterally rather than vertically, reducing cable clutter and improving access to server units while maintaining full power distribution capability.
Solution Approach 2:
Power distribution units are extracted from traditional vertical mounting positions and relocated to dedicated troughs positioned at optimal locations. This extraction separates power distribution functions from server unit mounting spaces, improving serviceability by reducing cable interference with server access.
3Ease of manufacture
If cables are routed freely through the server rack, then installation is simplified, but airflow is blocked and cooling efficiency deteriorates
Solution Approach 1:
The rack interior is segmented into dedicated cable pathways using troughs and mounting structures. This segmentation provides defined routes for cable installation while maintaining clear airflow channels, achieving both installation simplicity and cooling efficiency through structured organization.
4Ease of repair
If technicians service server units in densely packed racks, then maintenance is performed, but cable obstruction requires temporary shutdown of non-serviced servers
Solution Approach 1:
Cable management troughs and power distribution units are extracted to dedicated locations that separate cable routing from server unit access paths. This extraction allows technicians to service server units without cable obstruction, maintaining server availability while performing maintenance.
Data Source
AI summary
An example data center server rack may generally include a cabinet, a mounting fixture, and a trough. The mounting fixture may support one or more server units that are received within the cabinet. The trough may be attached to a sidewall of the cabinet. Openings in a sidewall of the cabinet may correspond to openings in a sidewall of the trough such that cables coupled to the one or more server units may be routed into the trough. The trough may include a bracket disposed between its sidewalls, with the bracket including one or more power strips. By routing the cables into the trough, the serviceability of and airflow through the data center server rack are improved. To prevent the diversion of airflow into the trough, boots may be secured at openings through which cables pass, with the boot covering a portion of the cables.