Auxiliary Air Vent Assembly for Redundant Enclosure Cooling
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Solution Overview
Problem
Conventional electronic enclosures with a single climate control unit (CCU) are prone to heat buildup and equipment damage due to a single point of failure, and adding a secondary CCU or emergency vent is costly and often not feasible due to space constraints and interference with equipment.
Innovation Solution
An auxiliary air vent assembly is positioned between the heat exchanger assembly and the enclosure, using a rim with apertures and passageways to provide a redundant cooling path that does not require additional cutouts, allowing for easy retrofitting and avoiding interference with internal equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single climate control unit is used in an electronic enclosure, then the device complexity is reduced and installation is simpler, but the reliability decreases due to single point of failure risk
Solution Approach 1:
The climate control system is segmented into two independent paths: the primary CCU with heat exchanger and the auxiliary air vent assembly. This segmentation allows the system to maintain simplicity while improving reliability, as each component can fail independently without causing complete system failure.
Solution Approach 2:
The auxiliary air vent assembly serves as a pre-established backup cooling path that activates when the primary CCU fails. This prior cushioning ensures continuous cooling protection without requiring complex monitoring or activation mechanisms.
2Reliability
If a secondary climate control unit or emergency vent is added to provide backup cooling, then the reliability improves, but the device complexity and installation difficulty increase
Solution Approach 1:
The auxiliary air vent assembly is merged with the existing CCU housing structure, sharing the same mounting location and utilizing the existing external air inlet. This merging approach provides backup cooling functionality without adding separate complex components or requiring additional cutouts in the enclosure.
Solution Approach 2:
The auxiliary air vent assembly serves multiple functions: it provides backup cooling redundancy, acts as an emergency vent, and maintains cooling during partial system failures. This multi-functionality reduces the need for separate dedicated components for each function.
3Reliability
If a secondary climate control unit or emergency vent is installed, then the reliability improves, but the installation cost and difficulty increase due to additional cutouts and equipment interference
Solution Approach 1:
The auxiliary air vent assembly utilizes the existing external air inlet cutout of the primary CCU, eliminating the need for additional cutouts in the enclosure. This merging approach significantly reduces installation complexity and cost while providing the same reliability benefits.
Solution Approach 2:
The auxiliary air vent assembly is positioned in a different spatial dimension within the existing cutout space, utilizing vertical or lateral arrangement within the same footprint. This dimensional arrangement provides backup cooling functionality without requiring additional enclosure modifications.
4Reliability
If an auxiliary air vent assembly is added, then the reliability improves with backup cooling redundancy, but the device complexity increases
Solution Approach 1:
The auxiliary air vent assembly is integrated with the existing CCU housing and air passages, sharing common mounting structures and utilizing existing airflow paths. This merging reduces the number of discrete components and simplifies the overall system architecture while maintaining reliability benefits.
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 auxiliary air vent assembly provides backup cooling redundancy, reduces installation costs, and prevents heat buildup by allowing hot air to escape and cooler air to enter, ensuring continuous operation without interfering with internal equipment.
Implementation Method 1
a heat exchanger assembly with a housing having an external air inlet, an external air outlet, an internal air inlet, and an internal air outlet
Implementation Method 2
The auxiliary air vent assembly provides backup cooling redundancy, reduces installation costs, and prevents heat buildup by allowing hot air to escape and cooler air to enter
Data Source
AI summary
A climate control system including a heat exchanger assembly with a housing having an external air inlet, an external air outlet, an internal air inlet, and an internal air outlet. The system further includes an auxiliary air vent assembly coupled to the heat exchanger assembly. The auxiliary air vent assembly includes a rim at least partially defining an internal air inlet region and an internal air outlet region.