Welding Helmet Head-Up Display for Real-Time Parameter Monitoring
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Solution Overview
Problem
Welders face challenges in monitoring welding parameters without diverting their attention from the work area, as traditional methods require looking at gauges on control panels or relying on audio cues that are not effective for achieving precise control and quality.
Innovation Solution
A welding helmet with a face-mounted or head-up display that provides images of welding parameters, such as current and voltage, directly in the welder's field of vision, using cameras and projectors to ensure the information is focused at the same focal length as the work area, allowing welders to view information without shifting their gaze.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If welders look at gauges on control panels to monitor welding parameters, then they can obtain information about current and voltage, but they must divert their attention from the welding work area
Solution Approach 1:
The patent introduces an intermediary system consisting of cameras mounted on the welding helmet and a display device that projects information onto the helmet's visor. This intermediary allows welding parameter information to be transmitted to the welder's field of view without requiring direct observation of control panels, thus resolving the contradiction between information access and attention focus.
Solution Approach 2:
The patent moves the information display from the traditional two-dimensional control panel surface to the three-dimensional space of the welder's field of view through the helmet visor. This dimensional transition allows information to be superimposed on the welding work area, enabling simultaneous viewing of both parameter information and welding operations without attention diversion.
2Ease of operation
If audio indicators are used to provide welding parameter feedback, then welders can receive information without visual distraction, but the indicators are hard to hear and interpolate, reducing control precision
Solution Approach 1:
The patent replaces the acoustic feedback mechanism with an optical display system. Instead of using audio indicators that require interpretation, the system uses visual display of welding parameters through the helmet visor, providing direct and precise information without the limitations of auditory perception and interpretation.
3Adaptability or versatility
If welding machines are located away from the work space, then they can be operated remotely, but welders must make multiple trips to check display readouts on the machine
Solution Approach 1:
The welding helmet with integrated display serves multiple functions: it provides welding parameter monitoring, guides welding operations in real-time, and eliminates the need for separate setup verification trips. This multi-functional device consolidates information access capabilities directly at the work location, resolving the time loss associated with remote machine operations.
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 welders to maintain focus on the welding process while accessing critical information, improving the quality and precision of welds by presenting real-time monitoring data in a visually intuitive manner.
Implementation Method 1
using cameras and projectors to ensure the information is focused at the same focal length as the work area
Data Source
AI summary
A system for aiding a user in at least one of welding, cutting, joining, and cladding operations is provided. The system includes a welding tool and a welding helmet with a face-mounted display. The system also includes a spatial tracker configured to track the welding helmet and the welding tool in 3-D space relative to an object to be worked on. A processor based subsystem is configured to generate virtual objects based on objects found in a welding environment and transmit the virtual objects to a predetermined location on the face-mounted display.