Modular Fieldbus Carrier With Sliding Connectors

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Solution Overview

Problem

Existing fieldbus systems require a large number of components and complex wiring for power and signal distribution, making them difficult to assemble and scale, especially when dealing with different module widths and application-specific configurations.

Innovation Solution

A modular fieldbus system featuring a carrier module with sliding connectors for fieldbus modules, allowing for a self-assembling bus that can be extended and adapted in length, with connectors for main power, auxiliary power, and data, and a locking mechanism for secure attachment, enabling flexible and scalable configuration without manual wiring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If traditional busbar systems and flying connections are used for power distribution in fieldbus systems, then power can be distributed, but the system requires excessive lengths of busbars and lines, increasing complexity and making assembly difficult

Engineering Contradiction:
Improvewiring complexityVSAvoidlength of busbars and lines
Core Design Contradiction:
Device complexityVSQuantity of substance

Solution Approach 1:

The patent combines power distribution and signal distribution into a single integrated fieldbus module assembly. The housing contains both the power distribution unit with busbars and the signal distribution unit with connection terminals, eliminating the need for separate flying connections and reducing overall wiring complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The fieldbus module housing serves multiple functions simultaneously: it provides mechanical support for both power distribution and signal distribution, acts as an enclosure for electrical components, and enables modular assembly. This multi-functionality reduces the number of separate components needed in the system.

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

2Ease of operation

If individual fieldbus modules are placed next to each other in individual housings and wired separately, then functions can be distributed, but the system becomes difficult to assemble and scale

Engineering Contradiction:
Improveassembly easeVSAvoidnumber of components
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system is divided into modular fieldbus modules that can be independently configured and then assembled together. Each module contains segmented functional units (power distribution, signal distribution) that can be independently wired within the housing, allowing for flexible configuration and easy assembly of larger systems.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent implements a nested structure where connection terminals are mounted on the housing and electrically connected to busbars inside the same housing. This nesting of electrical connections within the mechanical enclosure eliminates external wiring between components, simplifying assembly and scaling.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Ease of manufacture

If manual wiring of control signals and data bus, auxiliary power and main power is performed, then connections can be established, but excessive lengths of busbars and lines are used and assembly becomes complex

Engineering Contradiction:
Improvewiring efficiencyVSAvoidlength of wiring
Core Design Contradiction:
Ease of manufactureVSQuantity of substance

Solution Approach 1:

The housing is pre-configured with connection terminals mounted and electrically connected to the internal busbars before final assembly. This preliminary establishment of electrical connections eliminates the need for lengthy external wiring during system assembly, as power and signal connections are already in place within each module housing.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP2878183B1Modular fieldbus system, carrier module and fieldbus module
Publication Date: 2019.08.28 PHOENIX CONTACT GMBH & CO KG
  • EP2878183B1 patent drawingFigure 1
  • EP2878183B1 patent drawingFigure 2
  • EP2878183B1 patent drawingFigure 3

AI summary

The present invention relates to a carrier module (100) for fieldbus modules that can be snapped onto a carrier profile and is movable on the carrier profile, with a first plug connector (101L) for electrically and mechanically connecting a left-side fieldbus module to the carrier module (100) and with a second plug connector (101R) for electrically and mechanically connecting a right-side fieldbus module to the carrier module (100).