Pre-Assembled Low-Voltage Cable Harness for Tool-Free Framing Install
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Solution Overview
Problem
The installation of low-voltage cables in IT infrastructure projects is complex, time-consuming, and costly due to the need for specialized knowledge and tools, leading to unpredictable timelines and financial burdens.
Innovation Solution
A pre-engineered low-voltage wiring harness with integrated anchoring members and exterior sheathing, designed for easy mounting to a structure's frame, allowing for tool-free installation and adaptable to site layouts, with features like slack length and drop point markers for flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional low-voltage cable installation methods are used, then cables can be installed in building structures, but the installation process becomes complex, time-consuming, and requires specialized knowledge and tools
Solution Approach 1:
The cable system is segmented into pre-assembled harness modules, each containing a specific configuration of cables bundled together with integrated mounting features. This segmentation allows installers to simply attach complete functional modules rather than individually routing and securing multiple separate cables, dramatically simplifying the installation process while reducing the need for specialized knowledge
Solution Approach 2:
Cable harnesses are pre-assembled and pre-configured with integrated mounting features, connection points, and routing structures before delivery to the installation site. This preliminary preparation eliminates the need for installers to perform complex cable bundling, measuring, and mounting operations on-site, reducing installation time and complexity while maintaining proper cable organization and protection
2Productivity
If traditional cable installation methods are used, then cables can be installed, but labor costs and installation time become unpredictable and increase financial burden
Solution Approach 1:
Cable harnesses are pre-assembled with exact cable lengths, connection points, and mounting features configured according to specific building layouts before delivery. This preliminary action eliminates on-site measuring, cutting, and routing operations, ensuring consistent installation speeds and predictable completion times while reducing labor costs through simplified installer tasks
Solution Approach 2:
The cable harness system changes the installation parameter from individual cable manipulation to modular unit attachment. By transforming the installation task from a complex multi-step process involving multiple cables to a simple single-step module attachment, the system achieves consistent, predictable installation speeds and reduces overall installation time while maintaining proper cable management
3Device complexity
If cables are loosely bundled, then installation may be simplified, but the solution fails to adequately streamline the installation process and does not eliminate the need for specialized knowledge or tools
Solution Approach 1:
The cable harness integrates multiple cables, mounting features, protection elements, and identification markers into a single unified modular assembly. This merging combines what would otherwise require separate installation steps (cable routing, securing, protecting, and identifying) into one simultaneous action when the modular harness is attached to the building structure, achieving both simplified installation and elimination of specialized requirements
4Reliability
If pre-engineered harnesses with exterior sheathing are used, then safety and durability are enhanced, but the device complexity increases
Solution Approach 1:
The exterior sheathing is merged with the cable harness structure as an integrated protective envelope that encapsulates multiple cables, mounting features, and internal support elements. This single unified protective structure provides durability and safety for all internal components simultaneously, enhancing reliability while the modular design keeps the overall device complexity manageable through standardized configurations
Data Source
AI summary
A pre-assembled low voltage wiring harness is configured for being installed in a building having framing. The wiring harness includes an exterior sheath having a trunk portion and a plurality of branch portions extending off the trunk portion. The wiring harness further includes a plurality of low voltage cables bundled inside the exterior sheath, and a plurality of attachment members coupled to the exterior sheath at a respective plurality of fixed, predetermined locations along a length of the exterior sheath. Each one of the attachment members includes a flexible strap, an attachment connector configured for removably attaching to the framing of the building, and an attachment marker for indicating an intended attachment location. The attachment connector may be a carabiner, a soft shackle, a hook, a snap hook, a clip, or a similar connector that does not require any tools for installation so that the wiring harness is easily installed.