Optical Switching State Detection for Power Distribution Devices
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Solution Overview
Problem
Distribution network operators face challenges in accurately documenting and managing switching states in low-voltage power distribution networks due to inadequate documentation of switching measures, leading to inefficiencies and increased operational costs, as existing solutions like equipping power distribution devices with sensors are not cost-effective.
Innovation Solution
A computer-implemented method using a digital camera to capture images of power distribution devices, applying a trained pattern recognition function to automatically detect and document switching states, which generates switching state data that can be linked with identification data for further processing by IT systems, eliminating the need for additional hardware installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If power distribution devices are equipped with contacts or sensors to detect switching states, then measurement precision and reliability are improved, but device complexity and installation costs increase significantly
Solution Approach 1:
The patent replaces physical sensors and contacts with an optical detection system using a camera to capture images of switching elements. The mechanical/electrical sensing approach is substituted with optical imaging and image processing, eliminating the need for additional hardware installation in the power distribution device while achieving accurate switching state detection through digital image analysis
Solution Approach 2:
The patent creates a digital copy (image) of the physical switching state and processes this copy to determine the actual state. Instead of directly sensing the electrical state with contacts, the system captures a visual representation and analyzes it through image processing algorithms, allowing indirect but accurate measurement without physical intervention
2Ease of operation
If external companies perform switching measures on behalf of distribution system operators, then ease of operation is improved, but loss of information occurs due to insufficient documentation
Solution Approach 1:
The patent implements an automated feedback system where images of switching elements are captured and processed to generate switching state information that is automatically recorded and transmitted to the distribution system operator. This closed-loop feedback ensures that documentation is created automatically from the actual state, eliminating information loss while maintaining operational independence for external companies
Solution Approach 2:
The system enables self-documentation where the switching state information is automatically captured and recorded without requiring manual intervention from operators or external companies. The image processing system itself generates the documentation, making the documentation process self-service and eliminating reliance on human recording accuracy
3Productivity
If manual documentation of switching states is performed, then device complexity is reduced, but productivity and measurement precision deteriorate due to human error and inefficiency
Solution Approach 1:
The patent replaces manual documentation processes with an automated optical detection and image processing system. Instead of human operators visually inspecting and recording switching states, the system uses camera-based imaging and automated image analysis to detect and document states, eliminating human error and significantly improving both productivity and measurement precision
Data Source
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AI summary
The invention relates to a computer-implemented method for providing switching state data that describes the switching state of a power distribution device (8) with outputs (a) for a low-voltage network. The method comprises: - receiving an image file (2) containing a photograph of the power distribution device (8) taken with a digital camera, wherein the photograph shows switching elements (11) assigned to individual phases (p) of the outputs (a), the switching state of which can be optically detected; - applying a trained pattern recognition function (4) to the image file (2) using a processing unit, thereby generating function output data (6) that includes information on the switching state of the switching elements (11); and - providing the switching state data, comprising the function output data (6).