Rack Bracket Assembly With Air Gap for Electronics Cooling
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Solution Overview
Problem
Conventional mounting of electronics units onto racks with brackets flush against the sidewalls inhibits effective cooling, leading to operational issues and reduced lifetime due to heat generation.
Innovation Solution
The use of bracket assemblies that create an air gap between the bracket's unit flange and the electronics unit's sidewall by employing standoffs or untapped holes, allowing for enhanced passive and active cooling through improved airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the bracket's unit flange is mounted flush with the electronics unit's sidewall, then the mounting is simple and secure, but the cooling efficiency is inhibited
Solution Approach 1:
The patent introduces standoffs as intermediary elements between the bracket's unit flange and the electronics unit's sidewall. These standoffs create a physical separation that generates an air gap, allowing air to flow through the bracket assembly while the standoffs themselves provide the mounting function. This mediator enables both secure mounting and effective cooling simultaneously.
2Strength
If the bracket's unit flange is mounted flush with the electronics unit's sidewall, then the structural integrity is maintained, but heat dissipation is reduced
Solution Approach 1:
The patent segments the mounting function from the cooling function by introducing standoffs as separate elements. The standoffs handle the structural mounting task while leaving the air gap open for thermal management. This segmentation allows the bracket assembly to simultaneously provide structural support and facilitate heat dissipation without compromise.
3Temperature
If standoffs are used to create an air gap, then cooling efficiency is enhanced, but the device complexity increases
Solution Approach 1:
The standoffs serve multiple functions simultaneously: they provide structural support for mounting the electronics unit, create the necessary air gap for cooling, and maintain the mechanical strength of the bracket assembly. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in overall device complexity while achieving enhanced cooling.
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 air gap enhances cooling efficiency, improving the operational performance and longevity of electronics units by effectively managing heat dissipation.
Implementation Method 1
The air gap enhances cooling efficiency, improving the operational performance and longevity of electronics units by effectively managing heat dissipation
Data Source
AI summary
A bracket assembly for mounting an electronics unit onto a rack includes (i) a bracket having a rack flange and a unit flange connected to the rack flange and (ii) a plurality of standoffs. The rack flange is configured to be mounted to a vertical post of the rack, and the unit flange is configured to be mounted to a sidewall of the electronics unit with the standoffs interposed between the bracket's unit flange and the electronics unit's sidewall to create an air gap between the electronics unit and the bracket that enhances passive and/or active cooling of the electronics unit.