PCB Connector Shield Structure for Compact All-Round EMC
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Solution Overview
Problem
Current electromagnetic shielding solutions for printed circuit board connectors are inefficient, requiring multiple sheet metal frames and occupying valuable space, which is not suitable for advancing digitization and increased data transmission demands.
Innovation Solution
A space-saving electromagnetic shielding design using two interconnected shield elements with shield contact receptacles and elements, fastening structures, and printed circuit board contacts, allowing for a simple and cost-effective all-round shielding of printed circuit board connectors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple sheet metal frames are used to provide all-round shielding, then electromagnetic compatibility is improved, but device complexity and space usage increase
Solution Approach 1:
The patent merges multiple separate sheet metal frames into a single integrated shielding structure consisting of a base element and side elements that form a unified enclosure around the contact elements. This consolidation maintains the all-round shielding effect while reducing the number of separate components from multiple frames to one integrated structure.
Solution Approach 2:
The shielding structure is segmented into functional components: a base element forming the bottom and sides, and separate side elements that can be folded or attached to complete the enclosure. This segmentation allows for simplified manufacturing and assembly while achieving the same shielding effect as multiple complete frames.
2Reliability
If multiple sheet metal frames are used to provide all-round shielding, then electromagnetic compatibility is improved, but space usage increases
Solution Approach 1:
The side elements of the shielding structure are designed to fold over and nest within the base element, creating a compact configuration that minimizes the space occupied by the shielding while maintaining complete enclosure of the contact elements for effective electromagnetic shielding.
3Reliability
If outer contact elements are used for protective conductor connection to simulate circumferential shielding, then electromagnetic compatibility is improved, but the quantity of contact elements available for data transmission decreases
Solution Approach 1:
The shielding structure serves multiple functions: it provides electromagnetic shielding enclosure, establishes protective conductor connections through dedicated contact elements on the shielding itself, and preserves all outer contact elements for their primary data transmission function. The shielding's integrated design eliminates the need to sacrifice contact elements for shielding purposes.
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 effective all-round shielding, enhancing electromagnetic compatibility and data transmission integrity while minimizing space usage, making it more universally applicable and cost-effective for high-grade connectors.
Implementation Method 1
The invention proceeds from an electromagnetic shielding for printed circuit board connectors... Such shieldings are needed to protect/increase data integrity during transmission... A shield element can significantly increase electromagnetic compatibility (EMC)
Implementation Method 2
at least one printed circuit board contact for establishing an electrically conductive connection to the printed circuit board to be contacted
Data Source
AI summary
Disclosed is a shielding of an electrically conductive material for use in a printed circuit board connector. The shielding is formed of at least two shield elements which each have at least two shield contact receptacles, at least two shield contact elements and at least one fastening structure for connection to a housing of the printed circuit board connector, and at least one printed circuit board contact for establishing an electrical connection to the printed circuit board to be contacted. The shield elements each have at least a first side element and a second side element which are interconnected by at least one intersection region.