Dual-Material Corner Bracket for Scalable Fiber Optic Cabinet Frames
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Solution Overview
Problem
Existing fiber optic equipment cabinets with single-piece seamless shells are not scalable, making them inefficient for varying capacity needs, cumbersome to transport and install, and difficult to repair due to their monolithic construction.
Innovation Solution
The use of corner brackets with a structural portion made of a rigid material and a sealing portion made of an elastic material, allowing for assembly and modification of the cabinet frame on-site to meet specific capacity requirements, providing structural support and a dust- and fluid-resistant seal between frame members and panels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single-piece seamless shell construction is used, then environmental sealing is improved, but scalability and ease of modification deteriorate
Solution Approach 1:
The cabinet is divided into multiple frame members (vertical and horizontal) that can be independently manufactured and assembled using corner brackets, allowing the cabinet to be scaled by adding or removing members while maintaining sealing through the bracket design
2Strength
If a single-piece seamless shell construction is used, then structural integrity is improved, but ease of repair deteriorates
Solution Approach 1:
The cabinet structure is segmented into replaceable frame members and corner brackets, allowing damaged components to be individually replaced without affecting the entire structure, thus improving ease of repair while maintaining overall structural integrity
Solution Approach 2:
Damaged frame members or corner brackets can be discarded and replaced with new components, allowing for efficient repair and recovery of the cabinet system without needing to replace the entire single-piece shell
3Adaptability or versatility
If larger cabinet sizes are used to meet capacity requirements, then capacity is improved, but transportability and installation ease deteriorate
Solution Approach 1:
The cabinet is segmented into multiple smaller frame members that can be easily transported and assembled on-site, allowing large capacity cabinets to be built from manageable components rather than requiring transport of a complete large single-piece shell
Solution Approach 2:
The cabinet configuration is made dynamic and adjustable, allowing the system to be adapted to different capacity requirements by adding or removing frame members, rather than requiring different fixed-size single-piece shells for each capacity level
4Adaptability or versatility
If multiple cabinet sizes are manufactured to meet different capacity needs, then adaptability is improved, but manufacturing efficiency and inventory complexity worsen
Solution Approach 1:
A universal set of corner brackets and frame members can be used to create cabinets of various sizes and configurations, allowing a single standardized component design to serve multiple capacity requirements, thus improving manufacturing efficiency while maintaining adaptability
Solution Approach 2:
The cabinet capacity is adjusted by changing the number and arrangement of standardized frame members rather than manufacturing different-sized single-piece shells, allowing capacity customization through configuration changes rather than production of multiple product variants
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
Enables scalable and customizable cabinet designs that are easier to assemble, transport, and maintain, with improved access and reduced complexity in repairs, while maintaining structural integrity and environmental sealing.
Implementation Method 1
a sealing portion at least partially covering the structural portion and including at least one second material. The at least one first material may be relatively more rigid than the at least one second material, and the at least one second material may be relatively more elastic than the at least one first material
Data Source
AI summary
A corner bracket may include first and second retainers configured to receive respective ends of first and second frame members, such that the first and second frame members are substantially perpendicular with respect to one another. The first and second retainers may include structural and sealing portions, wherein the structural portion includes a first material and the sealing portion includes a second material, with the first material being relatively more rigid than the second material, and the second material being relatively more elastic than the first material. The corner bracket may also include first and second exterior surfaces at least partially including the second material and first and second door panel interfaces configured to provide a seal between the first and second exterior surfaces and interior surfaces of first and second door panels in a closed position. The corner bracket may be incorporated into a frame for a cabinet.