Intermediate Electrical Connector Dual Ground Plate Shielding
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Solution Overview
Problem
Conventional intermediate electrical connectors face challenges in securely shielding signal transmission contacts from external noise and adjusting impedance due to the lack of comprehensive shielding and flexible grounding contact portions.
Innovation Solution
The design incorporates two ground plates that shield both the joining and contact sections of the terminals, allowing for secure noise protection and easy impedance adjustment by separating the second ground plate from the ground terminals, enabling flexible design and impedance matching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If ground plates cover only the joining sections of signal terminals, then the structure is simpler, but the contact portions are not shielded from external noise
Solution Approach 1:
The ground plate is divided into two distinct portions: a first ground plate portion covering the joining section and a second ground plate portion covering the contact portion. This segmentation allows each portion to be independently designed and positioned to provide comprehensive shielding without excessive complexity
Solution Approach 2:
The ground plate extends in the widthwise direction of the blade to provide shielding for the contact portions, adding a dimensional element that covers the lateral exposure of signal terminals to external noise
2Manufacturing precision
If ground plates are integrated with ground terminals, then manufacturing is simpler, but impedance adjustment at contact parts is difficult
Solution Approach 1:
The grounding system is segmented into separate ground plates and ground terminals. The ground plates are positioned adjacent to signal terminals to control impedance, while ground terminals provide grounding connections, allowing independent optimization of each component
Solution Approach 2:
The ground plates are specifically positioned adjacent to signal terminals at contact portions to provide local impedance control where needed, while ground terminals are positioned to provide grounding at different locations, allowing differentiated functionality
3Reliability
If flexible grounding contact portions are provided on ground plates, then grounding reliability is improved, but design flexibility for impedance adjustment is reduced
Solution Approach 1:
The grounding function is segmented between ground plates and ground terminals. Ground plates provide rigid structural support and impedance control with fixed positions, while ground terminals provide flexible grounding contacts, combining the advantages of both approaches
Solution Approach 2:
Ground plates serve as intermediary elements between signal terminals and ground terminals, providing both impedance control and a stable mounting structure for flexible grounding contacts
Data Source
AI summary
An intermediate electrical connector to be connected to a mating connecting member includes an intermediate connecting member; and a blade disposed in the intermediate connecting member. The blade includes a first ground plate, a second ground plate, a base member, a signal terminal, and a ground terminal. The signal terminal includes a first contact portion and a first connecting portion connected to the first contact portion. The ground terminal includes a second contact portion and a second connecting portion connected to the second contact portion. The first ground plate is situated on one side of the blade over the first connecting portion and the second connecting portion. The second ground plate is situated on an opposite side of the blade over the first connecting portion, the second connecting portion, the first contact portion, and the second contact portion.