Parallel Light Beam Measuring System for Casting Strand Contour
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Solution Overview
Problem
Existing methods for measuring movable objects on lateral guides in metallurgical casting or rolling plants lack efficiency in determining precise penetration depth and wear, requiring manual intervention and prolonged processing times.
Innovation Solution
A laser-assisted measuring system emitting parallel light beams that intersect with the object, using a sensor field to capture images which are then evaluated for penetration depth, speed, and contour, allowing for automatic correction and wear assessment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual intervention is used for determining object position and wear, then measurement precision can be maintained, but productivity decreases and time consumption increases
Solution Approach 1:
The patent replaces manual mechanical measurement methods with an optical measurement system using laser beams and sensors. The system automatically captures images of the object's position and wear characteristics, eliminating the need for manual intervention while maintaining measurement precision through optical detection methods.
Solution Approach 2:
The measurement system enables self-service measurement by automatically capturing, processing, and evaluating images of the object. The system generates measurement results without requiring external manual operation, allowing continuous automated monitoring of object position and wear conditions.
2Productivity
If automated optical measurement is implemented, then productivity and speed are improved, but measurement precision may deteriorate due to automatic image evaluation
Solution Approach 1:
The system incorporates feedback mechanisms where image evaluation results are continuously refined based on comparison with reference data and previous measurements. The automatic evaluation algorithm learns from and adjusts to the specific characteristics of the measured object, maintaining high precision while operating at automated speeds.
Solution Approach 2:
The system performs preliminary calibration and setup of the optical measurement parameters before actual measurement begins. Reference images and measurement criteria are pre-established, allowing the automatic evaluation to proceed with high precision from the start without requiring manual adjustment during operation.
3Measurement precision
If a sensor field with many sensors is used to improve measurement precision, then device complexity increases
Solution Approach 1:
The sensor field is segmented into multiple independent sensor elements that can be individually addressed and evaluated. This segmentation allows the system to achieve high spatial resolution through the combined data from multiple sensors while managing complexity by processing sensor data in discrete, manageable units rather than as a monolithic system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid, semi-automatic determination of object position and wear, facilitating precise positioning and reducing manual intervention by generating error messages and offset values for future adjustments.
Implementation Method 1
at least some of the light beams emitted by the light source are interrupted by the object on its way to the receiving device
Implementation Method 2
The light source according to the invention is preferably a laser light source, because such a laser light source inherently has the property of emitting parallel light beams
Implementation Method 3
The receiving device has a sensor field with a plurality of sensors, which serve to receive at least some of the light beams emitted by the light source
Data Source
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AI summary
The invention relates to a method and a measuring system for measuring a movable object, for example a lateral guide on the transport path of a casting strand in a metallurgical installation. The system has at least one light source (110) for emitting parallel light beams (130) and a receiving device (120) with a sensor field for receiving the light beams. An evaluation device is used to evaluate the light beams received by the sensor field. In order to be able to make the evaluation simpler and faster, the receiving device is designed to generate an image of the sensor field having the positions of the sensors of the sensor field, which are assigned to the light beams not influenced by the object, and having the positions of the sensors of the sensor field, which are assigned to the light beams which are emitted, but are influenced by the object. The distances between the individual sensors are likewise known on the basis of the known resolution of the sensor field. The evaluation device is designed to evaluate the image with regard to the depth of penetration of the object into the spatial area spanned by the light beams, the speed and/or the contour of the object (200).