Automatic Darkening Filter With Profile-Based Parameter Setup
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Solution Overview
Problem
Existing automatic darkening filters require cumbersome parameter adjustments, especially when worn with protective gloves, and lack a simplified setup mechanism.
Innovation Solution
An automatic darkening filter with a switchable shutter system controlled by a filter controller, connected to a set-up device via wireless or wired communication, allows simultaneous adjustment of parameters like shade, sensitivity, and delay based on predetermined profiles, enabling faster and easier setup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If parameters are adjusted through external wireless devices, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The filter controller automatically detects welding conditions and self-adjusts parameters without requiring external devices or user intervention. The system serves itself by monitoring its own operational environment and making autonomous parameter modifications, thereby improving ease of operation while avoiding the complexity of external communication systems.
Solution Approach 2:
The filter controller continuously monitors welding conditions and uses this feedback to automatically adjust parameters. The system creates a closed-loop control where operational data feeds back to the controller, which then modifies settings in real-time, eliminating the need for complex external adjustment devices while maintaining optimal performance.
2Manufacturing precision
If multiple parameters are adjusted separately, then manufacturing precision is improved, but productivity decreases
Solution Approach 1:
The filter controller merges multiple parameter adjustments into a single automated operation. Instead of requiring separate adjustments for each parameter, the system combines all parameter modifications into one unified process that occurs automatically based on detected welding conditions, thereby maintaining precision while dramatically reducing setup time.
Solution Approach 2:
The filter controller performs preliminary detection of welding conditions and pre-calculates optimal parameters before welding begins. By preparing all parameter settings in advance based on pre-welding environmental assessment, the system ensures precise parameter configuration without requiring time-consuming sequential adjustments during setup.
3Measurement precision
If headgear is removed for parameter adjustment, then ease of operation is worsened, but measurement precision is improved
Solution Approach 1:
The filter controller continuously monitors welding conditions without requiring the user to remove or adjust the headgear. The system performs self-detection of environmental parameters and automatic parameter adjustment while the headgear remains in place, thereby maintaining measurement precision while dramatically improving ease of operation.
Solution Approach 2:
The patent replaces manual mechanical adjustment (requiring headgear removal and physical knob turning) with an automated electronic sensing and control system. The filter controller uses electronic sensors to detect welding conditions and electronically adjusts parameters, substituting mechanical user interaction with automated electronic control, thus maintaining precision while improving convenience.
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
Facilitates quicker and more accurate filter adjustments without needing to remove the headgear, enhancing user safety and convenience, particularly for inexperienced users.
Implementation Method 1
The liquid-crystal molecules orientate themselves in a particular direction when a voltage is applied across the liquid-crystal cell under the control of an electronic module
Implementation Method 2
The photodetector recognizes the presence of the incident light-to-be-filtered, and an electronic module generates a control voltage
Data Source
Figure 1~2
Figure 3
AI summary
The present disclosure relates to an automatic darkening filter 20 which is suitable for darkening for protection from light, in particular from high intensity light, with a simplified set-up, as well as to a set-up device 40 for setting up parameters of a such filter 20. The present disclosure also relates to a system 100, 100' comprising such an automatic darkening filter 20 and such a set-up device 40, in particular a welding device 110. The present disclosure furthermore relates to a method for setting up such an automatic darkening filter 20 as well as to a headgear 10 with such an automatic darkening filter 20 and to a welding device 110 with such a set-up device 40.