Adjustable Vertical Exhaust Duct for Data Center Height Variations
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Solution Overview
Problem
Current vertical exhaust ducts fail to accommodate varying heights between server cabinets and data center exhaust air plenums, leading to inefficiencies in hot air evacuation.
Innovation Solution
An adjustable vertical exhaust duct comprising an inner and outer duct section that telescopes and secures at desired heights using various locking mechanisms, such as nut and bolt systems, pawl systems, and bar clamp systems, to ensure proper alignment and air evacuation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed height exhaust duct is used, then the structure is simple, but it cannot accommodate varying heights between server cabinets and exhaust air plenums
Solution Approach 1:
The exhaust duct is divided into multiple telescoping sections (first exhaust duct section, second exhaust duct section, third exhaust duct section) that can extend or retract relative to each other. This segmentation allows the duct to adjust its overall length to accommodate different height differences between server cabinets and exhaust air plenums while maintaining a relatively simple individual section design.
Solution Approach 2:
The exhaust duct incorporates adjustable and lockable telescoping connections between sections, allowing the duct length to be dynamically changed during installation to match specific height requirements. The lockable mechanism provides stability once adjusted, combining dynamic adaptability with structural simplicity.
2Adaptability or versatility
If the exhaust duct is made adjustable to accommodate height variations, then adaptability improves, but the device complexity increases
Solution Approach 1:
The locking mechanism is segmented into discrete locking elements (first locking element, second locking element, third locking element) positioned at different locations along the telescoping sections. Each locking element independently secures its respective section, distributing the complexity across multiple simple units rather than one complex system.
Solution Approach 2:
The locking elements are designed to automatically engage and secure the telescoping sections at desired positions without requiring complex control systems or additional actuation mechanisms. The structure itself provides the locking function through strategically positioned engagement features.
3Reliability
If multiple locking mechanisms are incorporated, then the securing reliability improves, but the device complexity increases
Solution Approach 1:
The locking system is divided into multiple independent locking elements distributed along the telescoping sections. Each locking element provides a separate securing function, and their combined effect achieves high reliability through redundancy while each individual component remains simple in design.
Solution Approach 2:
Multiple locking functions are merged into a unified telescoping and locking system where the locking elements work together with the telescoping mechanism to provide both adjustment and securing functions. This integration reduces overall system complexity compared to having separate locking systems.
Data Source
AI summary
An adjustable exhaust duct includes a lower duct section and an upper duct section. The lower duct section may be larger or smaller than the upper duct section, and each duct has four identical locking systems. The locking systems secure the lower duct section and the upper duct section.