USB Type-C Connector Grounding Terminal Crosstalk Reduction
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Solution Overview
Problem
Existing Type C electrical connectors suffer from significant crosstalk during data transmission, complicating the assembly process and increasing manufacturing costs due to complex assembly requirements.
Innovation Solution
The electrical connector features grounding terminals formed by bending a linear wire with specific contacting and bending portions, where the shielding plate is strategically positioned between these portions to reduce crosstalk and enhance shielding, simplifying assembly and reducing material waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a shielding plate is located between upper-row terminals and lower-row terminals, then electromagnetic interference is prevented and high-frequency transmission is enhanced, but crosstalk problem remains serious affecting data transmission speed
Solution Approach 1:
The patent introduces grounding terminals as intermediary elements between the shielding plate and signal terminals. These grounding terminals with bending portions create additional grounding paths that act as mediators to further reduce crosstalk between upper-row and lower-row signal terminals, complementing the existing shielding plate's electromagnetic interference prevention function.
2Ease of manufacture
If upper body and lower body are insert-molded onto terminals separately and then fixed with shielding plate, then assembly is achieved, but assembly process is complicated and cost is increased
Solution Approach 1:
The patent merges the grounding terminals with the signal terminals by forming both from continuous linear wires in a single bending process. This integration reduces the number of separate components and assembly steps, eliminating the need for separate insert-molding operations for upper and lower bodies, thereby simplifying the overall assembly process and reducing manufacturing complexity.
Solution Approach 2:
The grounding terminals are pre-formed with their bending portions during the wire bending process before final assembly. This preliminary formation of the grounding structure allows for easier integration with the shielding plate and signal terminals, reducing the complexity of subsequent assembly operations.
3Reliability
If multiple separate components are used for grounding terminals, then grounding function is achieved, but material waste increases and electroplating steps multiply
Solution Approach 1:
The patent combines multiple grounding terminal components into single continuous linear wires that are bent into their final shapes. This merging approach eliminates the need for multiple separate grounding components, reducing material waste from cutting and joining operations, and allows for a single continuous electroplating process rather than multiple separate plating steps.
Solution Approach 2:
The patent changes the physical state and configuration of the grounding terminals from separate discrete components to continuous bent wires. This parameter change in the form factor allows for more efficient material utilization and enables a single electroplating operation to cover all grounding surfaces, reducing both material waste and processing steps.
Data Source
AI summary
The present invention relates to an electrical connector, which has an insulation body, a shielding plate, a plurality of grounding terminals and conducting terminals accommodated in the insulation body. Each grounding terminal is formed by bending a linear wire and has an upper contacting portion, a bending portion extending from the upper contacting portion, and a lower contacting portion extending from the bending portion, wherein the upper contacting portion is parallel to the lower contacting portion. Therefore, the crosstalk between the upper-row signal terminals and the lower-row signal terminals is reduced, and the shielding effect is enhanced.