Conical Shielding Spring Contact for Connector Braid Current Diversion
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Solution Overview
Problem
Existing plug-in connector systems with shielding systems face challenges in safe and efficient electrical contacting between the dome of a conductive housing and the shielding structure of a second connector, requiring complex production processes and machining, which complicates the diversion of shielding currents.
Innovation Solution
A shielding spring contact with a sleeve-shaped main body, featuring a cylindrical base and a conical shielding portion with apertures for elastic deformability, allows for a crimp connection to a cable braid and contact with an assembly housing, enabling efficient diversion of shielding currents through elastic deformation and improved electromagnetic compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a hollow-cylindrical dome is integrated into the housing wall to shield electrical conductors and divert shielding currents, then electromagnetic shielding effectiveness is improved, but the production complexity and machining requirements increase
Solution Approach 1:
The shielding function is extracted from the housing structure and transferred to a separate shielding spring contact component. This component can be independently manufactured and then integrated into the connector, separating the shielding function from the housing production process and eliminating the need for complex housing machining.
Solution Approach 2:
The shielding contact uses elastic deformation as its working principle, changing from a rigid shielding structure to a flexible one. The conical shielding portion with apertures allows elastic deformation to ensure reliable electrical contact while maintaining shielding effectiveness, simplifying both production and assembly.
2Reliability
If a hollow-cylindrical dome is integrated into the housing wall to divert shielding currents, then current diversion capability is improved, but the machining requirements and manufacturing complexity increase
Solution Approach 1:
The current diversion function is extracted from the housing and assigned to a dedicated shielding spring contact component. This component is designed specifically for crimp connection to the cable braid and can be manufactured independently using simpler processes, then assembled into the connector.
Solution Approach 2:
The shielding contact incorporates elastic deformation capability through its conical shielding portion with apertures. This dynamic characteristic allows the component to adapt to assembly variations and ensure reliable electrical contact for current diversion without requiring precision machining of the housing.
3Stability of the object's composition
If a rigid shielding structure is used in the plug-in connector, then structural stability is improved, but adaptability to different assembly housing sizes decreases
Solution Approach 1:
The shielding contact is designed with elastic deformation capability through its conical shielding portion with apertures. This allows the component to dynamically adapt to different assembly housing sizes while maintaining stable electrical contact. The elasticity provides structural stability during operation while enabling versatility in application.
Solution Approach 2:
The conical shielding portion with apertures changes its physical state through elastic deformation, allowing it to adapt to different housing dimensions. This parameter change enables the same component to work with various housing sizes while maintaining reliable electrical contact and shielding effectiveness.
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
The solution provides a simple and efficient method for electrical contacting, ensuring optimal diversion of shielding currents and compatibility across various assembly housing sizes, eliminating the need for complex machining and enhancing the robustness and conductivity of the shielding system.
Implementation Method 1
The conical shielding portion has a plurality of apertures extending along a longitudinal direction of the shielding spring contact and is elastically deformable
Data Source
AI summary
A shielding spring contact for an electrical plug-in connector for an electrical plug-in connector system includes a sleeve-shaped main body having a cylindrical base portion, a conical shielding portion, and a plurality of passage openings by which the shielding spring contact is arranged on a cable of the electrical plug-in connector. The shielding spring contact is connectable to a braid of the cable via the cylindrical base portion by a crimp connection. The conical shielding portion has a plurality of apertures extending along a longitudinal direction of the shielding spring contact and is elastically deformable. The shielding spring contact is contactable with an assembly housing of a cable shield connection of the plug-in connector system via the conical shielding portion. A current of the braid can be diverted to the assembly housing via contact between the conical shielding portion and the assembly housing.