Switchgear Cabinet Layout Inspection Using Image-Based Plan Comparison
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Solution Overview
Problem
Manual inspection and testing of switch cabinet contents after assembly are prone to errors and time-consuming, especially for complex configurations.
Innovation Solution
A device comprising a camera unit for image acquisition, an evaluation unit for comparing the actual state with a planned layout, and an output unit for providing test results, which automates the inspection of component completeness, wiring, and structural consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual inspection and testing of switch cabinet contents is performed, then human judgment and flexibility are utilized, but errors increase and time consumption increases especially for complex configurations
Solution Approach 1:
The patent replaces the manual mechanical inspection process with an automated optical measurement system. A camera captures images of the assembled switch cabinet contents, and an evaluation unit automatically compares the actual arrangement against the planning layout using image processing algorithms. This substitution eliminates human error and significantly reduces inspection time while maintaining high accuracy.
Solution Approach 2:
The patent creates a digital copy (image) of the physical switch cabinet contents and compares it with the digital planning layout. The camera unit generates an image layout that is automatically evaluated against the stored planning layout, enabling rapid verification without physical measurement or manual checking.
2Manufacturing precision
If manual inspection protocols are prepared and inspected by qualified personnel, then verification capability is provided, but the process becomes complex and error-prone
Solution Approach 1:
The inspection system performs self-verification by automatically comparing the captured image layout with the planning layout. The evaluation unit independently assesses component completeness, positioning accuracy, and wiring correctness without requiring external human intervention or complex manual protocols, thereby simplifying the inspection process while maintaining high verification quality.
3Reliability
If comprehensive testing of complex switch cabinet contents is performed manually, then thorough quality assurance is achieved, but time requirements increase significantly
Solution Approach 1:
The automated inspection system enables continuous quality testing by rapidly capturing images and immediately processing them through the evaluation unit. Multiple switch cabinets can be inspected in sequence without interruption, maintaining continuous productive action. The automated comparison process occurs instantly, allowing high throughput while ensuring comprehensive quality checking of all components and wiring.
Data Source
AI summary
A device for testing the contents of a switch cabinet following installation of equipment components (2a-2e) according to a plan and the wiring thereof via terminals (6) provided therefor by means of designated electrical cables (5), includes a camera unit (7) for the at least two-dimensional image capture of the components (2a-2e) fully installed and wired on an installation board (4) of a switch cabinet (1). The device can further include an evaluation unit (8) for carrying out a comparison between an imaged layout (100), on the basis of the image capture, of the actual state with a provided plan layout (200) of the target state.