Cable Backplane Float Mechanism Alignment
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Solution Overview
Problem
As communication systems increase in density and require high-speed connections, traditional backplanes face signal integrity degradation due to increased signal travel distances, and the packaging and assembly of cable assemblies become cumbersome and costly.
Innovation Solution
A cable backplane system featuring a backplane with openings and a cable rack comprising trays with float mechanisms that allow limited movement, enabling precise alignment and secure positioning of cable connectors with respect to the backplane, thereby improving signal integrity and reducing assembly complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional backplanes are used with increased density and high-speed lines, then system capacity increases, but signal integrity degrades due to longer signal travel distances
Solution Approach 1:
The backplane is segmented into modular cable assemblies that can be independently configured. Each cable assembly contains discrete cable connectors and routing paths, allowing the system to divide long signal paths into shorter segments that maintain integrity while supporting high-density connectivity
2Reliability
If cable assemblies are used to replace traditional backplanes, then signal integrity is improved, but packaging and assembly become difficult and costly
Solution Approach 1:
Multiple cable assemblies are merged into a unified cable rack structure that is integrated with the backplane. The cable rack combines routing, positioning, and management functions into a single assembly unit, simplifying packaging and reducing the complexity of handling multiple discrete cable components
Solution Approach 2:
The cable rack is pre-assembled with cable connectors and routing paths before integration with the backplane. This preliminary configuration of cable pathways and connector positions simplifies the final assembly process and reduces the skill level required for installation
3Productivity
If large numbers of cable assemblies are used, then connectivity is improved, but cable management becomes difficult
Solution Approach 1:
The cable rack serves as an intermediary structure between the backplane and individual cable assemblies. It provides a centralized management platform with organized routing paths, positioning mechanisms, and access points that simplify the handling and management of numerous cable connectors
4Productivity
If large numbers of cables are assembled, then system connectivity is improved, but assembly accuracy becomes problematic
Solution Approach 1:
The cable rack incorporates self-aligning features and float mechanisms that automatically position cable connectors relative to the backplane openings. The float mechanisms allow the cable rack to self-adjust and self-align, eliminating the need for high-precision manual positioning during assembly
Data Source
AI summary
A cable backplane system includes a backplane and a cable rack coupled to the backplane. The cable rack includes first and second trays having first and second frames. A plurality of cable connector assemblies are held by the cable rack each having a plurality of cables extending between a first cable connector and a second cable connector. The first cable connector is coupled to the first frame and the second cable connector is coupled to the second frame with the cables routed in first and second raceways of the first and second trays. Float mechanisms are connected between the first and second frames that allow limited movement between the first and second trays. The float mechanisms allow alignment of the cable connectors with corresponding openings in the backplane.