Welding Torch Compatibility Control for Safe Parameter Setup

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Solution Overview

Problem

Existing welding systems lack compatibility checks between welding devices and torches, leading to incorrect execution of welding processes, potential damage, and safety risks for operators due to incompatible connections.

Innovation Solution

A welding system with an electronic control unit and microprocessor that verifies the compatibility of welding torches through stored identification data, adapts operating parameters based on the connected torch, and uses sensors to ensure correct welding execution and prevent overuse, featuring NFC readers for joint-specific settings and inertial sensors for speed monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a welding device is configured to support multiple welding types, then the adaptability of the welding system is improved, but the complexity of compatibility verification and control increases

Engineering Contradiction:
Improvewelding system adaptabilityVSAvoidcompatibility verification complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system performs compatibility verification between the welding torch and welding device before initiating the welding operation. The electronic control unit checks whether the connected torch is compatible with the selected welding process type, preventing incorrect configurations from causing operational issues or safety hazards.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system provides feedback to the operator through visual or audible signals when an incompatible torch is detected. The electronic control unit monitors the connection status and welding parameters, and alerts the operator to correct the configuration before welding begins, ensuring safe and appropriate operation.

Inventive Principle:
Principle #23Feedback

2Reliability

If compatibility verification and adaptive control systems are added, then the safety and reliability of welding operations are improved, but the device complexity and cost increase

Engineering Contradiction:
Improvewelding operation safetyVSAvoidsystem structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system performs compatibility verification between the welding torch and welding device before initiating the welding operation. The electronic control unit checks whether the connected torch is compatible with the selected welding process type, preventing incorrect configurations from causing operational issues or safety hazards.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system automatically detects the welding torch type and configures appropriate welding parameters without requiring manual intervention. The electronic control unit self-adjusts operating conditions based on the connected torch's characteristics, reducing operator burden and minimizing configuration errors.

Inventive Principle:
Principle #25Self-service

3Manufacturing precision

If the welding system automatically adapts operating parameters, then the welding precision and quality are improved, but the control system complexity increases

Engineering Contradiction:
Improvewelding qualityVSAvoidcontrol system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The system automatically detects the welding torch type and configures appropriate welding parameters without requiring manual intervention. The electronic control unit self-adjusts operating conditions based on the connected torch's characteristics, reducing operator burden and minimizing configuration errors.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system provides feedback to the operator through visual or audible signals when an incompatible torch is detected. The electronic control unit monitors the connection status and welding parameters, and alerts the operator to correct the configuration before welding begins, ensuring safe and appropriate operation.

Inventive Principle:
Principle #23Feedback

Data Source

PatentEP3898053B1A welding system
Publication Date: 2022.07.27 SHENZHEN JASIC TECH CO LTD
  • EP3898053B1 patent drawingFigure 1
  • EP3898053B1 patent drawingFigure 2
  • EP3898053B1 patent drawingFigure 3

AI summary

A welding system (1) comprising a main module (2) equipped with an external casing (3) in which an inlet port (4) for the connection to an external electric power source, an electric generator (5) configured to adapt the electrical characteristics of the electric power received at the inlet to a first type of welding, an outlet port (6) for the connection by means of an electric conductor (10) to a welding torch and an electronic control unit (7) configured to control the functionality of the electric generator (5) are identified. The welding system also comprises a welding torch (20) configured to be connected by means of the electrical conductor (10) to the outlet port (6). The welding torch (20) comprises electronic means (21) comprising a data medium (22) in which identification data (I) of the welding torch (20) are stored and the electronic control unit (7) of the main module (2) is configured, when the welding torch (20) is connected to the outlet port (6), to detect the identification data (I) and to enable the use of the welding torch (20) in the event that the welding torch (20) is compatible with the main module (2).