Profile-Modeling Cable Clip for IHS Airflow Sealing
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Solution Overview
Problem
Conventional airflow sealing methods in Information Handling System (IHS) chassis, such as using sponges, are ineffective and unreliable due to varying cable counts, leading to hot airflow recirculation and increased downstream inlet temperatures, and are prone to wear and deformation.
Innovation Solution
A profile-modeling cable clip with a base and independently compressible or deformable comb teeth coupled via spring elements, which can be attached to a gantry and feature a latch to ensure even contact with cables, reducing airflow through the gantry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a sponge is used for airflow sealing, then the structure is simple and easy to install, but it allows hot airflow recirculation and causes downstream inlet temperatures to rise
Solution Approach 1:
The cable clip is divided into multiple comb teeth (typically 3-7 teeth) that can independently contact and seal around individual cables. This segmentation allows the sealing structure to adapt to varying cable counts and configurations, effectively blocking hot airflow recirculation paths that a single sponge cannot address.
Solution Approach 2:
The comb teeth are made elastically deformable and can be compressed by spring elements or latches to conform to the actual cable profiles. This dynamic adaptation ensures reliable airflow sealing regardless of cable position, count, or diameter variations, preventing hot airflow from bypassing the seal.
2Ease of manufacture
If a sponge is used for airflow sealing, then the installation is simple, but the sponge is susceptible to wearing out and permanent deformation
Solution Approach 1:
The cable clip is designed as a durable, replaceable component with a defined service life. While individual comb teeth may wear, the entire clip can be replaced as a unit, ensuring long-term reliability. The modular design allows for easier replacement compared to degraded sponges that lose sealing capability over time.
Solution Approach 2:
The cable clip combines multiple materials with complementary properties: elastomeric comb teeth for flexibility and sealing, spring elements for maintaining contact force, and rigid base structures for mounting. This composite construction enhances overall durability and resistance to wear and deformation compared to a single-material sponge.
3Device complexity
If a sponge is used for airflow sealing, then the structure is simple, but it is not effective for system configurations with different cable counts
Solution Approach 1:
The cable clip features multiple comb teeth (typically 3-7 teeth) that can independently contact and seal around individual cables. This segmentation allows the sealing structure to adapt to varying cable counts and configurations, effectively blocking hot airflow recirculation paths that a single sponge cannot address.
Solution Approach 2:
The cable clip is designed to universally accommodate different cable counts (3-7 cables), diameters, and routing configurations within a single chassis type. The elastically deformable comb teeth and adjustable latch mechanism provide multi-functional adaptability, eliminating the need for different sealing solutions for different cable configurations.
4Reliability
If comb teeth are made independently compressible, then airflow sealing is improved, but the device complexity increases
Solution Approach 1:
Multiple functional elements are merged into a single integrated cable clip component: the base structure, comb teeth, spring elements, and latch mechanism are combined into one assembly that attaches to the gantry as a unit. This integration reduces the number of separate parts to manage while maintaining the complexity benefits of independently compressible comb teeth for reliable airflow sealing.
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 profile-modeling cable clip effectively seals airflow in IHS chassis, maintaining temperature specifications and accommodating different cable configurations, thereby preventing hot airflow recirculation and extending the component's lifespan.
Implementation Method 1
a base and a plurality of comb teeth coupled to the base via spring elements, where each of the comb teeth is independently compressible
Data Source
AI summary
Systems and methods for a profile-modeling cable clip for sealing airflow in an Information Handling System (IHS) chassis. In some embodiments, a profile-modeling cable clip for sealing airflow in an IHS chassis may include a base and a plurality of comb teeth coupled to the base via spring elements, where each of the comb teeth is independently compressible.