High-Density Coupling Panel for Single-Pair Ethernet Grounding
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Solution Overview
Problem
Existing Ethernet cables and connectors primarily use four pairs of conductors for data and power transfer, limiting the potential for more compact and efficient transmission using a single twisted pair of conductors.
Innovation Solution
A high density coupling panel that electrically couples pairs of connectors to single twisted pairs of conductors, utilizing a shielded or non-shielded configuration with a bonding strip for grounding, and includes a panel module with channels for couplers and a metal panel for secure electrical connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If four pairs of conductors are used for data and power transfer, then reliability of signal transmission is improved, but device complexity and cable size increase
Solution Approach 1:
The patent extracts the essential function of data and power transmission from the traditional four-pair Ethernet configuration and implements it using only a single twisted pair of conductors. By removing the unnecessary three pairs of conductors and their associated connectors, the system achieves the same transmission reliability with significantly reduced complexity. The coupler device enables this extraction by providing electrical coupling between two single-pair connectors through exactly one pair of coupling contacts.
Solution Approach 2:
The coupler device is designed to be universal, accommodating different connector types (e.g., USB Type-C, USB Type-A, micro-USB) while maintaining the same single-pair coupling function. The coupler's housing can receive various connector configurations, and the bonding strip provides universal grounding across different shielded connector types. This multi-functionality allows the system to achieve reliable transmission without requiring complex connector-specific infrastructure.
2Object-affected harmful factors
If shielded connectors and couplers are used, then noise interference is reduced, but manufacturing complexity increases
Solution Approach 1:
The bonding strip creates an equipotential reference plane by providing electrical connection between the shielded housings of the two connectors and the shielded housing of the coupler. This equipotential bonding establishes a common ground reference that reduces noise interference and electromagnetic interference. The bonding strip is simply connected to the shields during assembly, making the shielding implementation straightforward rather than complex.
Solution Approach 2:
The bonding strip acts as an intermediary element that connects the shielded components without requiring complex integration. Instead of integrating shielding into every component individually, the bonding strip serves as a separate mediator that bonds all shielded parts together, simplifying the manufacturing process while still achieving effective noise reduction through coordinated shielding.
3Volume of moving object
If a compact single-pair connector design is used, then cable size is reduced, but electrical coupling reliability may be compromised
Solution Approach 1:
The coupler device employs a nested structure where the coupling contacts are housed within a shielded housing that itself is nested within the larger connector assembly. The bonding strip is nested within the coupler housing, connecting the shields of the nested connectors. This nested arrangement achieves compact cable size while maintaining reliability through multiple layers of protection and precise alignment features.
Solution Approach 2:
The coupler implements local quality by concentrating the electrical coupling function into a specific localized region (the coupling contacts) while providing enhanced shielding and bonding in critical areas. The shielded housing provides localized electromagnetic protection around the coupling contacts, and the bonding strip provides localized grounding where needed. This selective application of quality features maintains reliability without requiring uniform complexity throughout the entire assembly.
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 efficient data and power transfer over a single pair of conductors, reducing noise interference and supporting higher data transmission rates and current capacities, while maintaining a compact design.
Implementation Method 1
a bonding strip electrically couples the metal panel and shield couplers to a shielding tab that is coupled to ground
Implementation Method 2
In the shielded configuration, a bonding strip is used to connect all metal components (e.g., shielded free connectors, shielded couplers, and metal panel of the high density coupling panel) to ground via a shielding tab
Data Source
AI summary
A high density coupling panel of the present disclosure presents a compact grouping of coupler wherein each of the couplers couples a first free connector with a second free connector wherein each of the free connectors is coupled to exactly two electrical conductors. The high density coupling panel can be manufactured in a shielded (e.g., metal) or non-shielded (e.g. non-metal) form as appropriate to a specific application. In the shielded configuration, a bonding strip is used to connect all metal components (e.g., shielded free connectors, shielded couplers, and metal panel of the high density coupling panel) to ground via a shielding tab.