Welding Helmet and Power Source Association via Server Matching

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Solution Overview

Problem

In a welding environment, it is difficult for managers to determine which welding power source is being used by which operator, as existing systems lack effective tracking and management of operator-welding power source associations.

Innovation Solution

A networked system that includes server computers, welding power sources, and helmets, where data from helmets and power sources is received and matched to associate operators with the power sources they are using, utilizing RFID tags, arc detection sensors, and communication devices to track and manage usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If a networked system with RFID tags and arc detection sensors is implemented, then tracking precision of operator-power source associations is improved, but device complexity increases

Engineering Contradiction:
Improvetracking precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system divides the tracking functionality into separate components: RFID tags in helmets for operator identification, arc detection sensors in power sources for welding detection, and server computers for data processing. This segmentation allows each component to perform its specific function efficiently while enabling precise tracking of operator-power source associations.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Server computers act as intermediaries that receive data from both RFID tags and arc detection sensors, process the information, and determine associations between operators and power sources. This intermediary approach enables accurate tracking without requiring direct complex communication between all system components.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Device complexity

If manual tracking methods are used, then device complexity is reduced, but information loss occurs regarding operator-power source associations

Engineering Contradiction:
Improvedevice complexityVSAvoidinformation loss
Core Design Contradiction:
Device complexityVSLoss of information

Solution Approach 1:

The system implements feedback loops where RFID tags continuously transmit operator identification data and arc detection sensors continuously monitor welding activity. This real-time feedback enables the server to maintain accurate, up-to-date information about which operators are using which power sources, eliminating information loss associated with manual tracking.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces manual mechanical tracking methods with automated electronic systems. RFID technology substitutes for manual recording of operator identities, while arc detection sensors substitute for manual observation of welding activity. This substitution eliminates human error and information loss while providing continuous automated tracking.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 accurate tracking and management of which operators are using which welding power sources, allowing for efficient scheduling and resource allocation within the welding environment, reducing the need for human intervention.

Implementation Method 1

a triggering status indicating a triggering of an arc detection sensor associated with the welding helmet due to initiation of a welding arc within the welding environment

Methodology Applied
Scientific EffectArc detection: Electric Arc

Implementation Method 2

a radio frequency identification (RFID) tag of the welding helmet is read via an RFID reader co-located with (e.g., located near) the welding power source to extract at least the identity of the welding helmet

Methodology Applied
Scientific EffectRFID reading: Electromagnetic Induction

Data Source

PatentEP3509271B1Relating an operator to a power source in a welding environment
Publication Date: 2020.09.09 LINCOLN GLOBAL INC
  • EP3509271B1 patent drawingFigure 1
  • EP3509271B1 patent drawingFigure 2
  • EP3509271B1 patent drawingFigure 3

AI summary

Embodiments of systems and methods to relate a human operator to a welding power source are disclosed. One embodiment is a networked system (100) having a server computer (112, 114). The server computer (112, 114) is configured to receive first data including at least one of an identity or a location of a welding helmet (140) within a welding environment (120), and a triggering status indicating a triggering of an arc detection sensor (143) of the welding helmet (140) due to initiation of a welding arc. The server computer (112, 114) is configured to receive second data including at least one of an identity or a location of a welding power source (130) within the welding environment (120), and an activation status indicating an activation of the welding power source (130). The server computer (112, 114) is configured to match the welding power source (130) to a human operator using the welding helmet (140) based on at least the first data and the second data.