Terminal for Electrical Conductors with Independent Switching

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Solution Overview

Problem

Existing terminal designs for electrical conductor potential distribution are cumbersome and time-consuming for maintenance, particularly when disconnecting conductors connected to lower contacts, which complicates maintenance and safety.

Innovation Solution

A clamp design featuring a feeding element and independently switchable separating elements with multiple contacts, allowing for easy isolation of contacts and improved safety through a terminal case that accommodates the feed and separating elements, enabling efficient potential distribution and marking options.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If conventional terminal designs are used, then the structure is simple, but maintenance is cumbersome and time-consuming

Engineering Contradiction:
Improvemaintenance easeVSAvoidterminal structure complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The terminal is divided into multiple independently operable separating elements (first separating element, second separating element) that can be operated separately. Each separating element can isolate specific contacts without affecting others, enabling selective maintenance of individual contacts while leaving others operational, thus reducing maintenance time and complexity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The separating elements are designed as movable components that can dynamically switch between different positions (inserted to isolate, removed to connect). This dynamic capability allows the terminal to adapt its configuration during operation, enabling quick isolation of specific contacts for maintenance without disconnecting conductors

Inventive Principle:
Principle #15Dynamics

2Reliability

If conventional terminal designs are used, then the structure is simple, but safety during maintenance is compromised

Engineering Contradiction:
Improvemaintenance safetyVSAvoidterminal structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The terminal contacts are segmented into electrically isolated groups using separating elements. This segmentation ensures that maintenance work on one contact does not expose personnel to electrical hazards from other energized contacts, significantly improving safety while maintaining a relatively simple overall structure

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The separating elements act as intermediary components between the energized feed element and the contacts. When inserted, they provide electrical isolation, serving as a protective mediator that prevents accidental contact with live parts during maintenance operations

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If conventional terminal designs are used, then the application area is limited, but the device complexity is low

Engineering Contradiction:
Improveapplication areaVSAvoidterminal structure complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The terminal design incorporates multiple separating elements that can independently isolate different contacts, enabling the same terminal structure to serve multiple functions: normal operation, selective maintenance isolation, and flexible configuration for different application scenarios. This multi-functionality expands the application area without requiring multiple different terminal types

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The dynamically operable separating elements allow the terminal to adapt its electrical configuration during operation, enabling it to serve different application requirements (isolation, connection, maintenance modes) using a single versatile structure rather than requiring multiple specialized terminals

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP4007075A1Terminal for electrical conductors for potential distribution
Publication Date: 2022.06.01 PHOENIX CONTACT GMBH & CO KG
  • EP4007075A1 patent drawingFigure 1A~2B
  • EP4007075A1 patent drawingFigure 3
  • EP4007075A1 patent drawingFigure 4~5D

AI summary

A terminal for electrical conductors for potential distribution, comprising: a feed-in element for supplying an electrical potential; two separating elements, each with at least two contacts, wherein at least one respective first contact of the separating elements is electrically connected to the feed-in element and the separating elements are adapted to be independently switchable between a contact position in which the respective separating element electrically connects the first contact, which is electrically connected to the feed-in element, to a respective second contact, and a separating position in which the respective separating element electrically isolates the respective first contact from the respective second contact; and a terminal housing for receiving the feed-in element and the separating elements, wherein the feed-in element is arranged on the terminal housing between the separating elements.Furthermore, a potential distribution system for electrical conductors is proposed for the distribution of potentials.