Shielded Electrical Connector With Segmented Inserts

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Solution Overview

Problem

Existing electrical connectors face issues with conductor damage during installation, improper positioning leading to damage, and challenging electrical continuity of shields, requiring costly rework and specific skills.

Innovation Solution

A shielded electrical connector design featuring a terminal subassembly with inserts and shells providing electrical shielding, where the back shell is terminated to the overbraid of the cable, and the front shell is mated to a mating connector, with contacts engaging to ensure electrical connection and reduce damage risks.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If removable inserts are used to hold conductors, then the connector allows flexible assembly, but the conductors may be damaged during installation and mating processes

Engineering Contradiction:
Improveflexible assemblyVSAvoidconductor integrity
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The connector body includes pre-formed guide features (ridges and grooves) that direct conductor placement before the insert is installed. This preliminary positioning structure ensures conductors are properly supported and aligned during the assembly process, preventing damage while maintaining flexible insert installation

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If multiple inserts are installed into a connector body, then the connector can accommodate multiple terminals, but control of inserts during installation becomes problematic

Engineering Contradiction:
Improvemulti-terminal capabilityVSAvoidinsert installation control
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The connector is divided into modular components: a connector body with guide features, multiple separable inserts, and a shield assembly. Each insert can be independently positioned and installed, with the segmented structure providing natural alignment references that simplify the installation process for multiple inserts

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If shielding is used extensively, then electrical interference is reduced, but installation and rework require specific knowledge, tools and skills

Engineering Contradiction:
Improveelectrical interferenceVSAvoidinstallation complexity
Core Design Contradiction:
Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The shield assembly is merged with the connector body as an integrated unit, with the shield already positioned and secured within the connector housing. This combination eliminates the need for separate shield installation steps, reducing the required knowledge and tools while maintaining comprehensive electrical shielding

Inventive Principle:
Principle #5Merging (Combining)

4Ease of repair

If reworking of shielded connectors is performed, then repairs can be made, but destructive means are required to the retention component

Engineering Contradiction:
Improverepair capabilityVSAvoidretention component integrity
Core Design Contradiction:
Ease of repairVSStrength

Solution Approach 1:

The shield assembly is designed as a recoverable component that can be removed and reinstalled multiple times without destructive damage. The retention features are engineered to allow non-destructive removal and reattachment, enabling repair and rework while preserving the integrity of the retention components

Inventive Principle:
Principle #34Discarding and recovering

Data Source

PatentUS8388378B2Electrical connector
Publication Date: 2013.03.05 TE CONNECTIVITY SOLUTIONS GMBH
  • US8388378B2 patent drawing
  • US8388378B2 patent drawing
  • US8388378B2 patent drawing

AI summary

An electrical connector includes a terminal subassembly having inserts holding terminals. The terminals extend between a mating end and a cable end. The cable end is configured to be terminated to corresponding wires of a cable. A front shell surrounds a front portion of the terminal subassembly. The front shell provides electrical shielding around the mating ends of the terminals. The front shell is configured to be mated to a mating connector. A back shell surrounds a rear portion of the terminal subassembly. The back shell provides electrical shielding around the cable ends of the terminals. The back shell is configured to be terminated to an overbraid of the cable. The back shell includes a plurality of contacts that extend from a front of the back shell. The contacts engage, and are electrically connected to, the front shell.