Soldered Plug Connector Structure for Stable High-Frequency Shielding

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing plug connectors achieve electrical and physical connection with cables through clamping, leading to instability in high-frequency signals due to poor shielding performance and impedance matching.

Innovation Solution

A plug connector design that allows soldering instead of clamping, featuring a conductor for signals and a ring-shaped conductor for ground, with a guide tube for cable alignment and soldering points, ensuring stable electrical and physical connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If clamping connection is used between plug connector and cable, then the structure is simplified, but electrical and physical stability deteriorates and shielding performance becomes unstable

Engineering Contradiction:

Improvestructure complexityVSAvoidelectrical and physical stability

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent replaces the mechanical clamping system with a soldering connection system. The plug connector includes conductors (signal and ground) that extend through the housing to expose portions for soldering to the cable, eliminating the need for clamp connections and their associated complexity while providing superior electrical and mechanical stability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Ease of manufacture

If clamping connection is used between plug connector and cable, then the assembly process is simplified, but shielding performance and impedance matching deteriorate

Engineering Contradiction:

Improveassembly processVSAvoidshielding performance and impedance matching

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Reliability

If soldering connection is used between plug connector and cable, then electrical and physical stability is improved, but the connector structure becomes more complex

Engineering Contradiction:

Improveelectrical and physical stabilityVSAvoidconnector structure

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the conductor functions with the housing structure. The signal conductor and ground conductor are integrated into the housing design, with the ground conductor forming a continuous shield around the signal conductor throughout the housing, eliminating the need for separate clamp components and reducing overall structural complexity despite the soldering connection.

Inventive Principle:

Principle #5Merging (Combining)

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

Enhances electrical and physical stability, improves shielding performance, and achieves better impedance matching by eliminating clamping.

Implementation Method 1

a ring-shaped conductor for ground, the conductor surrounding the conductor for signals

Methodology Applied

Scientific EffectElectromagnetic shielding: Faraday Cage

Implementation Method 2

a ring-shaped insulator surrounding the conductor for signals and being surrounded by the conductor for ground, and insulating between the conductor for signals and the conductor for ground

Methodology Applied

Scientific EffectElectrical insulation: Dielectric

Implementation Method 3

the upper portion of the conductor for signals may be coupled to a signal line of the cable through soldering

Methodology Applied

Scientific EffectSoldering: Soldering

Data Source

PatentUS12580352B2Plug connector coupled to receptacle connector

Publication Date: 2026.03.17 SENSORVIEW INC

AI summary

A plug connector according to the present invention is a plug connector coupled to a receptacle connector, the plug connector comprising: a conductor for signals; a ring-shaped conductor for ground, the conductor surrounding the conductor for signals; a ring-shaped insulator surrounding the conductor for signals and being surrounded by the conductor for ground, and insulating between the conductor for signals and the conductor for ground; a lower body; and an upper body coupled onto the lower body, wherein the conductor for signals includes a lower portion protruding below a first portion on the insulator, a middle portion inserted into a hollow portion of the first portion, and an upper portion protruding above the first portion, and the conductor for ground includes a lower portion protruding below the first portion and an upper portion surrounding the first portion, and the lower body includes a lower housing having a hollow portion that is vertically opened, wherein the upper portion of the conductor for ground is accommodated in the hollow portion, and the lower portion of the conductor for ground and the lower portion of the conductor for signals are exposed downwards through the hollow portion, and the upper body includes an upper housing facing the lower housing and having a hollow portion opened downwards so that the hollow portion forms a space around the upper portion of the conductor for signals.