Welding Helmet Display Optics for Protected Surrounding Visibility
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Solution Overview
Problem
Welding operators face difficulties in accurately assessing the welding environment and detailed welding situations due to the high-intensity illumination from welding lights, which can lead to reduced accuracy and visibility of surrounding areas, affecting both welding and other high-luminance procedures.
Innovation Solution
A welding information providing apparatus equipped with a display unit, primary lens member, and cameras that adjust the welding image to fit both eyes of the user, allowing for a stable and optimal view of the welding site, including the environment, through image processing and adjustment of the lens position and angle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a darkening filter is used to protect the operator's eyes from welding light, then eye protection is improved, but visibility of regions other than the welding light spot deteriorates
Solution Approach 1:
The field of view is segmented into multiple regions: a first field of view showing the welding light spot through the darkening filter, and a second field of view showing the surrounding environment through a separate display. This allows simultaneous protection from welding light while maintaining visibility of the surrounding area.
Solution Approach 2:
A camera and display system act as an intermediary to capture and present the surrounding environment to the operator. The camera mounted on the welding helmet captures images of the work area, and the display presents these images to the operator, enabling visibility of surrounding regions without compromising eye protection.
2Object-affected harmful factors
If the operator wears a protector to protect from welding light, then protection from light and heat is improved, but ability to visually confirm welding-related information deteriorates
Solution Approach 1:
The system uses cameras and displays as intermediaries to present welding-related information to the operator. Multiple cameras capture images of the welding area, workpiece, and surrounding environment, which are then processed and displayed on the helmet's display, allowing the operator to view detailed information while wearing protective equipment.
Solution Approach 2:
The welding helmet integrates multiple functions: eye protection from welding light, display of welding-related information, capture and processing of images, and presentation of both the welding spot and surrounding environment. This multi-functional design allows the operator to maintain protection while accessing comprehensive visual information.
3Object-affected harmful factors
If automatic or manual welding helmet is used, then operator safety is improved, but ability to recognize detailed welding situation deteriorates
Solution Approach 1:
Cameras and image processing systems serve as intermediaries to enhance the operator's ability to recognize detailed welding situations. The system captures high-resolution images of the welding area, processes them to enhance visibility, and presents them on the display, allowing the operator to see detailed welding information while wearing the protective helmet.
Solution Approach 2:
The system changes the parameters of image presentation by adjusting brightness, contrast, and magnification of the displayed images. It can switch between different field of view settings and adjust image parameters to enhance the operator's ability to recognize detailed welding situations under various lighting conditions.
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
The apparatus provides a comfortable and clear view of the welding site, improving accuracy by allowing operators to see both the welding spot and the surrounding environment, even during movement, and adjusts for individual visual acuity and accommodation, enhancing the overall welding process.
Implementation Method 1
a primary lens member, which is arranged on a path through which the welding image provided from the display travels, and includes a convex surface for adjusting a size of the welding image to allow the welding image to reach both eyes of the user
Data Source
AI summary
Provided is a welding information providing apparatus including a main body provided to be worn by a user, a display unit, which is arranged in the main body and includes a display for displaying a welding image to the user, a primary lens member, which is arranged on a path through which the welding image provided from the display travels, and includes a convex surface for adjusting a size of the welding image to allow the welding image to reach both eyes of the user, at least one camera, which is mounted on an outer side of the main body and is configured to obtain a welding image frame with respect to a welding operation, and a processor configured to control the display to display the welding image generated based on the welding image frame.