Coaxial Connector Continuity Member for Shielding
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Solution Overview
Problem
Coaxial cable connectors often fail to maintain proper electrical continuity and electromagnetic shielding due to improper tightening and design flaws, leading to signal interference and network performance issues.
Innovation Solution
A coaxial cable connector design featuring a nut with an internal lip and a continuity member that extends electrical grounding continuity through the post and nut, ensuring continuous shielding even when the connector is not fully tightened, by securely attaching the coaxial cable's grounding sheath to the post and extending the continuity through the continuity member to the nut, which is then fastened to a conductive interface port.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the connector is not fully tightened, then ease of operation is improved, but electrical continuity and shielding are compromised
Solution Approach 1:
The connector is divided into functional segments: the threading mechanism for mechanical connection, the lip for positioning, and the continuity member for electrical connection. This segmentation allows the electrical continuity function to be independent of the mechanical tightening degree, resolving the contradiction between ease of operation and electrical continuity reliability.
Solution Approach 2:
The continuity member acts as an intermediary element that ensures electrical continuity between the cable shield and connector shell independently of the nut's tightening position. This intermediary component decouples the electrical continuity requirement from the mechanical connection state, allowing easy operation while maintaining reliability.
2Device complexity
If the connector design includes traditional components only, then device complexity is reduced, but electromagnetic shielding continuity is compromised
Solution Approach 1:
The continuity member serves as an intermediary conductive path that bridges the cable shield and connector shell, ensuring electromagnetic shielding continuity without requiring complex multi-component assemblies. This single intermediary element effectively addresses EMI protection while maintaining design simplicity.
Solution Approach 2:
The continuity member performs multiple functions: it provides electrical continuity for shielding, serves as a ground path, and maintains contact regardless of nut position. This multi-functionality achieves comprehensive EMI protection without increasing device complexity through additional specialized components.
3Strength
If the nut is positioned forward, then mechanical connection is secured, but electrical continuity through the nut is interrupted
Solution Approach 1:
The electrical continuity function is segmented from the mechanical connection function. The continuity member is positioned and configured to maintain electrical contact independently of the nut's axial position, allowing the nut to be forward for mechanical security while the continuity member ensures rearward electrical continuity.
Solution Approach 2:
The continuity member is designed to automatically maintain electrical contact through its own structural features (such as resilient contacts or sliding surfaces) without requiring the nut to be in a specific position. This self-service mechanism ensures electrical continuity is maintained regardless of the mechanical connection state.
Data Source
AI summary
A coaxial connector comprising a connector body; a nut, axially rotatable with respect to the connector body, the nut having a first forward end configured for threadably attaching to an interface port and a second rearward end; and a continuity member, electrically contacting the nut; wherein the connector is configured to maintain return loss below −40 dBvM when the connector is installed on the interface port, so as to be only engaged with one thread of the interface port is provided.