Welding Power Source Parameter Switching With Factory Reset

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Solution Overview

Problem

Conventional welding systems require users to access and manually set multiple parameters, leading to increased training and setup time, potential for improper parameter selection, and prolonged troubleshooting, with no straightforward method for factory resets.

Innovation Solution

A welding-type power source with a user interface that allows quick toggling between stock and custom parameters using a single button, featuring an indicator for activation and a prolonged button press for factory reset, simplifying parameter selection and setup.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If users manually set multiple parameters in conventional welding systems, then parameter customization is achieved, but training time and setup time increase

Engineering Contradiction:
Improveparameter customizationVSAvoidtraining time and setup time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system pre-configures multiple parameter sets (e.g., SET1, SET2, SET3) with optimal values for different welding applications. Users can quickly switch between these pre-configured sets using a single button, eliminating the need to manually adjust multiple parameters each time. This preliminary configuration resolves the contradiction by providing customization capability while dramatically reducing setup time.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If users manually configure welding parameters, then custom settings are achieved, but probability of improper parameter selection increases

Engineering Contradiction:
Improvecustom parameter settingsVSAvoidparameter selection accuracy
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

Expert-configured parameter sets are pre-loaded into the system with proven optimal values for specific welding applications. When users select from these pre-configured sets, they benefit from expert knowledge without needing to understand the complex interrelationships between parameters, thereby reducing the risk of improper parameter selection while maintaining customization capability.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system provides visual feedback through an indicator that displays which parameter set is currently active. This feedback mechanism helps users verify they are using the correct parameters for their application, reducing the likelihood of errors and improving reliability.

Inventive Principle:
Principle #23Feedback

3Adaptability or versatility

If multiple parameters are manually adjusted, then welding configuration flexibility is achieved, but troubleshooting time increases

Engineering Contradiction:
Improvewelding configuration flexibilityVSAvoidtroubleshooting time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The system maintains pre-configured parameter sets that represent known good configurations. When troubleshooting is needed, users can quickly revert to these known good settings using the single-button interface, significantly reducing troubleshooting time compared to manually adjusting multiple parameters to restore proper operation.

Inventive Principle:
Principle #10Preliminary action

4Ease of repair

If factory reset function is accessible, then system restoration capability is achieved, but user interface complexity increases

Engineering Contradiction:
Improvesystem restoration capabilityVSAvoiduser interface complexity
Core Design Contradiction:
Ease of repairVSDevice complexity

Solution Approach 1:

The factory reset function is merged with the existing single-button parameter set selection interface. The same button used to switch between parameter sets also performs factory reset when held for a specific duration (e.g., 3 seconds). This integration provides system restoration capability without adding physical complexity to the user interface.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP3738710B1Welding-type power source for a quick selection of custom parameters and factory reset parameters
Publication Date: 2024.09.11 ILLINOIS TOOL WORKS INC
  • EP3738710B1 patent drawingFigure 1A
  • EP3738710B1 patent drawingFigure 1B
  • EP3738710B1 patent drawingFigure 2

AI summary

Provided is a welding-type power source, comprising power conversion circuitry configured to convert input power to welding-type power, a user interface comprising a first input device, a second input device, and an output device, and control circuitry. The control circuitry is configured to, in response to a first input via the first input device, control the output device to output an indication that the welding-type power source is in a preconfigured state, set predetermined ones of welding-type parameters to respective predetermined values, set a welding current, when there is an input from the second input device, to a value indicated by the second input device, and set the welding current, when there is not an input from the second input device, to one of: the default value when the default welding current has not been changed, or a welding current that has been changed previously via the second input device.