Switchgear Data Interface Integration for Industrial Automation

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Solution Overview

Problem

In large industrial installations, medium-voltage or high-voltage switchgear requires functional integration with automation for enhanced safety and efficiency, particularly in complex production environments where autonomous monitoring and control are necessary to manage emergency shutdowns and detect short circuits.

Innovation Solution

The integration of data and control interfaces within switching devices allows for communication with an electronic control center, enabling intelligent switching devices with autonomous communication evaluation, sensor feedback, and protocol adaptation for connectivity across different bus systems, facilitating remote maintenance and diagnosis.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If data and control interfaces are integrated into switching devices, then functional integration and automation capability are improved, but device complexity increases

Engineering Contradiction:
Improvefunctional integrationVSAvoiddevice complexity
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The patent integrates data and control interfaces directly into the switching device housing, combining communication functionality with switching operations. This merging eliminates the need for separate communication modules and reduces overall system complexity despite adding automation capabilities.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The switching device is designed with multi-functionality, serving both as a power switching component and as a communication node. The integrated interface enables the device to handle both electrical switching and data communication functions, reducing the need for additional dedicated components.

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

2Reliability

If switching devices are interconnected via data and control lines for remote monitoring, then operational safety is improved, but system complexity increases

Engineering Contradiction:
Improveoperational safetyVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements feedback mechanisms where switching devices send operational status, sensor data, and error signals back to the electronic control center. This feedback loop enables remote monitoring and rapid response to operational issues, enhancing safety while using standardized communication protocols to manage system complexity.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The data and control lines serve as intermediaries between the switching devices and the electronic control center. These communication channels enable remote monitoring and control without requiring direct physical access to high-voltage equipment, thereby improving safety while maintaining manageable system complexity through standardized interfaces.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If protocol converters are implemented for different bus systems, then adaptability and connectivity are improved, but device complexity increases

Engineering Contradiction:
ImproveconnectivityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Protocol converters are implemented as intermediary components that facilitate communication between different bus systems (such as Profibus, CAN, Ethernet). These converters translate between different communication protocols, enabling the switching device to integrate with various industrial control systems without requiring multiple native interfaces, thus improving adaptability while managing complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

4Extent of automation

If autonomous communication evaluation is implemented within switching devices, then functional integration is improved, but manufacturing complexity increases

Engineering Contradiction:
Improvefunctional integrationVSAvoidmanufacturing complexity
Core Design Contradiction:
Extent of automationVSEase of manufacture

Solution Approach 1:

The autonomous communication evaluation functionality is merged into the switching device housing, integrating the electronic control unit and communication interfaces directly with the switching mechanism. This integration simplifies the overall system architecture and can streamline manufacturing by reducing the number of separate components that need to be assembled, despite adding sophisticated communication capabilities.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS8768525B2Medium-voltage or high-voltage switchgear comprising at least one switching device
Publication Date: 2014.07.01 ABB (SCHWEIZ) AG
  • US8768525B2 patent drawing
  • US8768525B2 patent drawing

AI summary

The disclosure relates to a medium-voltage or high-voltage switchgear comprising at least one switching device. The aim is to enable the associated switchgear to be functionally integrated with the greatest possible technical functional comfort. To this end, the switching device or the switching devices is/are respectively provided with a data and/or control interface, with the aid of which the same is/are linked to an electronic master terminal via a data and/or control line such that the switching devices can be triggered by the electronic master terminal and the control thereof can be integrated in a process, particularly an industrial process.