Connector Shielding Body With Flexible Strips for Lower Coupling Force
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Solution Overview
Problem
Existing electromagnetic shielding bodies for connectors experience high coupling forces due to multiple contact points, leading to deformation and increased rigidity, which complicates manufacturing and coupling processes.
Innovation Solution
An electromagnetic shielding body with at least two strips of different longitudinal section profiles, one with an outward boss and one without, connected by a peripheral strip, ensuring identical neutral fiber length to prevent deformation during manufacturing and coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple contact points in the form of bosses are used on all strips, then electrical contact and grounding are improved, but coupling forces increase and connector fragility increases
Solution Approach 1:
The patent applies local quality by differentiating the strips into two types: some strips have outwardly oriented bosses for electrical contact, while other strips have inwardly oriented bosses for mechanical coupling and recentering. This localized functional differentiation allows the connector to achieve both reliable electrical contact and controlled coupling forces by assigning different roles to different parts of the shielding body structure.
2Force
If strips with inward folds and outward stamping are used, then coupling force is reduced, but manufacturing complexity increases
Solution Approach 1:
The patent segments the shielding body into distinct functional strips: some with inward folds for recentering, others with outward stamping for electrical contact. By dividing the shielding body into specialized segments rather than using a uniform complex profile, the manufacturing process can apply simpler, more specialized forming operations to each segment type, potentially reducing overall manufacturing complexity while maintaining the desired coupling force characteristics.
3Manufacturing precision
If rigid slats are used to recenter electrical insulation, then recentering precision is improved, but coupling forces increase
Solution Approach 1:
The patent employs dynamically flexible strips instead of rigid slats for recentering the electrical insulation. These flexible strips can deflect and adapt during the coupling process, providing gentle recentering forces that guide the insulator into proper alignment without generating excessive coupling forces. The flexibility allows the strips to accommodate manufacturing tolerances and thermal expansion while maintaining precise recentering functionality.
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
Reduces coupling forces, maintains electromagnetic shielding, and improves manufacturing quality by homogeneous deformation and optimized electrical impedance.
Implementation Method 1
Each strip has an electrical contact point to establish an electrical connection with the complementary grounding contact once the complementary connectors are mated. The strips allow for a lower coupling force compared to fixed-end lamellae
Data Source
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AI summary
The invention relates to an electrically conductive body (10) with longitudinal axis (X), forming an electromagnetic shielding body for a connector (1) for transmitting electrical and/or data and/or radio frequency (RF) signals, housing at least one central contact intended to be connected to a cable wire, comprising a housing for housing and retaining an electrical insulating block (11), and, on its outer periphery, at least two different strips (100, 102) extending along the longitudinal axis (X) and whose longitudinal section profiles are different from each other, one of the two strips (100) comprising at least one boss (101) projecting outwards, to form an electrical contact point, the other of the two strips (102) being devoid of a boss on the outside, the two strips being connected to each other at each of their longitudinal ends by a peripheral strip (104, 105).