Welding Helmet Visual Feedback for Real-Time Parameter Control
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Solution Overview
Problem
Manual welding operations face challenges in maintaining optimal parameters such as torch angles, contact tip-to-work distance, and travel speed, leading to inconsistencies in weld quality due to the difficulty in monitoring and adjusting these factors in real-time.
Innovation Solution
A networked high dynamic range welding vision system that includes a wearable device with an optical sensor, storage, and processor to capture and analyze welding images, providing real-time feedback and guidance to operators through a display, enabling improved monitoring and adjustment of welding parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual welding operations are performed without real-time monitoring, then operator flexibility and ease of operation are maintained, but weld quality consistency and manufacturing precision deteriorate
Solution Approach 1:
The patent implements real-time visual feedback systems that capture welding parameters (torch angle, contact tip-to-work distance, travel speed) through cameras and sensors, process this data, and provide immediate feedback to operators via displays. This closed-loop feedback mechanism enables operators to maintain optimal parameters without increasing operational complexity, directly resolving the contradiction between weld quality consistency and device complexity
Solution Approach 2:
The patent replaces manual visual monitoring and physical measurement methods with automated optical sensing and digital image processing systems. By substituting mechanical measurement tools with electronic vision systems, the patent achieves precise real-time monitoring of welding parameters without adding significant physical complexity to the welding process itself
2Manufacturing precision
If real-time monitoring of welding parameters is implemented, then manufacturing precision and weld quality are improved, but loss of time for data collection and processing increases
Solution Approach 1:
The patent performs preliminary processing of welding parameter data during the welding operation itself, rather than analyzing all data after completion. The system continuously captures and processes visual data in real-time, identifying deviations from optimal parameters as they occur, which eliminates post-processing time delays and enables immediate corrective action
Solution Approach 2:
The patent implements selective monitoring that focuses only on critical welding parameters that significantly impact weld quality, rather than analyzing all possible parameters. By concentrating computational resources on the most important measurements (torch angle, contact tip-to-work distance, travel speed), the system achieves high manufacturing precision with minimal data processing time
3Measurement precision
If high dynamic range imaging is used to capture welding scenes, then measurement precision of welding parameters is improved, but use of energy by the imaging system increases
Solution Approach 1:
The patent employs periodic or intermittent capture of high dynamic range images rather than continuous full-resolution imaging. The system captures detailed visual data at critical moments (when parameter deviations are detected) and uses lower-resolution continuous monitoring otherwise, maintaining measurement precision while significantly reducing overall energy consumption of the imaging system
Data Source
AI summary
Methods and apparatus to provide visual information associated with welding operations are disclosed. An weld training system includes a display, a camera, a communications device, and a welding helmet. The communications device communicates with welding equipment. The welding helmet has a view port. The communications device is configured to hold the camera, the communications device, and the display such that, when the welding helmet is worn by a wearer, the display is viewable by the wearer, the camera has a view through the view port such that the display displays to the wearer images taken by the camera through the view port and displays a simulated object generated based on information received from the welding equipment via the communications device.