Synergic Welding Power Supply for Real-Time Output Adjustment
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Solution Overview
Problem
Conventional welding power supplies struggle with maintaining consistent weld quality when dealing with varying workpiece thickness and geometry, often leading to issues such as burn-through or incomplete fusion due to fixed preselected power settings.
Innovation Solution
A welding-type power supply system that allows operators to synergically adjust voltage and wire feed speed during welding using a control device on the torch, enabling continuous adjustment over a wide range and automatic mode changes, with features like trigger hold and signal filtering to maintain consistent output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed preselected power settings are used, then device complexity is reduced, but weld quality consistency deteriorates when dealing with varying workpiece thickness and geometry
Solution Approach 1:
The patent implements dynamic control of welding parameters by allowing operators to adjust voltage and wire feed speed synergistically during the welding process. The control circuit continuously monitors and adjusts these parameters in real-time based on workpiece conditions, transforming the static fixed-settings system into a dynamic adaptive system that maintains consistent weld quality across varying workpiece thickness and geometry.
Solution Approach 2:
The patent enables continuous adjustment of critical welding parameters (voltage and wire feed speed) over wide ranges during operation. This allows the system to adapt parameters to match varying workpiece conditions, resolving the contradiction between simple fixed settings and consistent weld quality by providing parameter flexibility without excessive complexity.
2Manufacturing precision
If synergic adjustment of voltage and wire feed speed is enabled, then weld quality is improved, but device complexity increases
Solution Approach 1:
The patent combines voltage control and wire feed speed control into a unified synergic control system. The control circuit integrates both parameter adjustments and coordinates them workingly, allowing operators to adjust both parameters simultaneously through a single control input. This merging approach improves weld quality while managing complexity by coordinating controls rather than treating them as separate independent systems.
Solution Approach 2:
The control circuit is designed to perform multiple functions: it controls voltage output, controls wire feed speed, monitors workpiece conditions, and coordinates synergic adjustments. This multi-functional design improves weld quality through comprehensive control while avoiding the need for separate dedicated systems for each function, thereby managing overall device complexity.
3Adaptability or versatility
If continuous adjustment over wide range is provided, then adaptability to workpiece conditions is improved, but control precision becomes more difficult to maintain
Solution Approach 1:
The patent implements feedback mechanisms where the control circuit continuously monitors welding parameters and workpiece conditions, then uses this information to make precise synergic adjustments to voltage and wire feed speed. This feedback loop maintains control precision across the wide adjustment range by constantly comparing actual conditions with target parameters and making corrective adjustments.
Solution Approach 2:
The control circuit acts as an intermediary between the operator's control input and the actual welding parameters. It processes the control signal, determines the appropriate synergic adjustments needed, and coordinates the adjustments to multiple parameters. This intermediary function maintains precision by translating broad adaptability requirements into precise coordinated parameter changes.
Data Source
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AI summary
Methods and apparatus to synergically control a welding-type output during a welding-type operation are disclosed. An example welding-type power supply includes a power conversion circuit configured to convert input power to welding-type power and to output the welding-type power to a welding-type torch; a communication circuit configured to receive a control signal from a remote-control device during a welding-type operation; and a control circuit configured to synergically control at least two of a voltage of the welding-type power output by the power conversion circuitry, a current of the welding-type power, or a wire feed speed.