Ultra High Speed Signal Cable Connector Without Grounding Wires
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Solution Overview
Problem
Existing high-speed signal cable connectors require welding of grounding wires, which is inefficient and occupy more space, necessitating a compact, efficient, and easy-to-weld connector design.
Innovation Solution
The ultra high speed signal cable connector features an insulating housing with a PCB, rows of cables without grounding wires, and a grounding wire bonding pad, where conductive jackets are connected to the bonding pad using conductive materials or interference fit, eliminating the need for welding grounding wires and optimizing space usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If grounding wires are welded during assembly, then electrical connection is achieved, but welding efficiency is low and assembly time increases
Solution Approach 1:
The invention extracts the grounding wire welding operation from the assembly process by pre-attaching grounding wires to the PCB board before connector assembly. This allows grounding wires to be prepared in advance, eliminating the need for welding during final assembly and significantly improving welding efficiency while reducing assembly time.
Solution Approach 2:
The grounding wires are pre-soldered to the PCB board's grounding pads before the connector housing is assembled. This preliminary action ensures that the electrical connection is already established, eliminating the need for time-consuming welding operations during the assembly process and improving overall productivity.
2Reliability
If cables with grounding wires are used, then electrical connection is achieved, but cable size increases and space occupation increases
Solution Approach 1:
The invention merges the grounding wire function directly into the PCB board structure by pre-attaching grounding wires to the grounding pads. This integration eliminates the need for separate grounding wires in the cable assembly, reducing cable size and space occupation while maintaining reliable electrical connection through the integrated grounding path.
3Reliability
If grounding wires are welded, then electrical connection is achieved, but the structure becomes more complex
Solution Approach 1:
The grounding wires are integrated into the PCB board structure through pre-soldering, merging the grounding function with the existing PCB architecture. This integration simplifies the overall connector structure by eliminating separate grounding wire management and reducing the number of discrete components, thereby reducing structural complexity while ensuring reliable electrical connection.
Data Source
AI summary
An ultra high speed signal cable connector includes an insulating housing, a PCB fixedly mounted inside the insulating housing, and at least one row of cables without grounding wires welded to the PCB. The end portion of a connecting finger of the PCB extends out of the insulating housing, and the PCB is provided with a signal bonding pad and a grounding wire bonding pad. Each cable without grounding wires includes a plurality of electric wires, a conductive jacket for wrapping the plurality of electric wires together, and an insulating jacket wrapped on the outer layer of the conductive jacket. Each electric wire includes a core wire and an insulating layer wrapped on the outer layer of the core wire. One ends of the core wires are welded on the signal bonding pad; a section of insulating jacket is stripped from the foremost end of each cable without grounding wires to expose the conductive jacket. The conductive jackets are electrically and fixedly connected to the grounding wire bonding pad. According to the ultra high speed signal cable connector provided by the present disclosure, there is no need to weld the grounding wire during welding, the welding efficiency can be significantly improved, the connector is compact in structure, small in occupied space and high in strength, and the inner mold is adopted to wrap the welding spots between the cables and the PCB, so that the welding spots are protected, and the electrical performance is significantly improved compared with that of the existing products.