Distributed Cooling Plenum for Electronic Enclosures
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Solution Overview
Problem
Traditional electronic enclosure solutions fail to meet the demands of modern electronic equipment requirements, particularly in terms of cooling efficiency and environmental protection, especially for outdoor and dynamic operational environments.
Innovation Solution
The development of environmentally-protected electronic equipment enclosures with improved cooling systems, including zero-bypass ducting and heat exchangers, along with multi-axis suspension systems for kinetic energy absorption and adaptive suspension control, to maintain operational stability and efficiency in harsh conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional cooling techniques are used in electronic enclosures, then the structure is simple, but the cooling efficiency is insufficient for high-density electronic applications
Solution Approach 1:
The cooling system is segmented into multiple independent plenums (first plenum, second plenum) with dedicated heat exchangers for each, allowing independent cooling zones that can be optimized for different thermal loads while maintaining manageable system complexity
Solution Approach 2:
The cooling architecture transitions from traditional front-to-back airflow to a multi-dimensional plenum-based system with vertical and horizontal airflow paths, enabling more efficient heat removal from high-density electronic components through three-dimensional thermal management
2Device complexity
If electronic enclosures are placed outdoors without environmental protection, then the structure is simple, but the equipment is vulnerable to environmental contaminants and failure
Solution Approach 1:
The enclosure employs sealed housing structures with gaskets and protective barriers that form flexible yet effective shields against environmental contaminants including rain, dust, and humidity, protecting internal electronic components while maintaining operational reliability in outdoor deployments
Solution Approach 2:
Environmental protection is achieved through intermediary protective layers including sealed enclosures, filters on air intake paths, and protective coatings that mediate between the harsh outdoor environment and the sensitive electronic equipment, preventing direct exposure to contaminants
3Device complexity
If bypass ducting is used in cooling systems, then the airflow path is simple, but cooling efficiency is reduced due to bypassed air
Solution Approach 1:
The bypass ducting that allows uncooled air to enter the equipment space is completely extracted and removed from the system. Instead, all air intake paths are routed through the heat exchangers in the plenums, ensuring that every cubic foot of air contributes to cooling the electronic equipment, thereby maximizing cooling efficiency without sacrificing airflow path simplicity
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
These enclosures provide effective cooling and environmental protection, ensuring the reliability and mobility of electronic equipment in extreme conditions, enhancing operational stability and efficiency.
Implementation Method 1
a heat exchanger mounted within the at least one plenum
Data Source
AI summary
An electronic component enclosure comprises an outer frame and an inner frame, with the outer and inner frames forming a plenum therebetween. A cooling facility such as an HVAC unit is fluidly coupled to the electronic component enclosure's plenum. The cooling facility is controlled by a control system configured to adjust at least one property of fluid flowing through the plenum, such as its flow rate and/or temperature. Alternatively, a cooling system can comprise a plurality of electronic component enclosures such that a control system can be configured to adjust at least one property of fluid flowing through each electronic component enclosure's respective plenum.