Magnetic Coupling Tool Feedback for Positioning and Degaussing

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Solution Overview

Problem

Magnetic coupling devices used in robotics and industrial automation face challenges in providing real-time feedback on the quality of magnetic coupling and positioning, and require separate processing steps for degaussing ferromagnetic workpieces, which complicates integration and operation.

Innovation Solution

A magnetic coupling tool with integrated magnetic field sensors and a logic control circuit that monitors and adjusts the magnetic flux to ensure secure coupling and positioning, and includes degaussing functionality to remove residual magnetism using alternating magnetic fields.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If magnetic coupling devices are used to secure ferromagnetic workpieces, then the workpiece can be held securely, but real-time feedback on coupling quality and positioning is not provided

Engineering Contradiction:
Improvesecure couplingVSAvoidreal-time feedback on coupling quality
Core Design Contradiction:
ReliabilityVSLoss of information

Solution Approach 1:

The patent incorporates sensors that detect magnetic field strength and provide real-time feedback on the quality of magnetic coupling and positioning of the workpiece. This feedback loop allows the system to monitor coupling status continuously and adjust as needed, resolving the contradiction between secure coupling and information availability.

Inventive Principle:
Principle #23Feedback

2Object-generated harmful factors

If separate processing steps are used for degaussing ferromagnetic workpieces, then residual magnetism can be removed, but device complexity and integration difficulty increase

Engineering Contradiction:
Improveresidual magnetismVSAvoidintegration complexity
Core Design Contradiction:
Object-generated harmful factorsVSDevice complexity

Solution Approach 1:

The patent integrates the degaussing function directly into the magnetic coupling device by incorporating a degaussing coil that can be activated through the same control system. This merging of functions allows residual magnetism to be removed without requiring separate processing equipment, thereby reducing device complexity and improving integration while still effectively eliminating harmful residual magnetism.

Inventive Principle:
Principle #5Merging (Combining)

3Adaptability or versatility

If multiple separate functions are used for magnetic coupling and degaussing, then each function can be optimized independently, but productivity and operational efficiency decrease

Engineering Contradiction:
Improvefunctional optimizationVSAvoidoperational efficiency
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent designs the magnetic coupling device to perform multiple functions - magnetic coupling, sensing, and degaussing - all through a single integrated system controlled by one controller. This multi-functionality allows the device to maintain adaptability and versatility for different operations while improving productivity by eliminating the need for separate processing steps and reducing operational complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 real-time monitoring and adjustment of magnetic coupling quality, ensuring secure and precise positioning of ferromagnetic workpieces, and simplifies the degaussing process by integrating it into the tool's operation, enhancing operational efficiency and reducing additional processing steps.

Implementation Method 1

at least one magnetic field sensor supported by the housing, wherein a magnetic field sensor of the at least one magnetic field sensor is positioned to monitor a first magnetic flux associated with the first workpiece engagement surface or a second magnetic flux associated with the second workpiece engagement surface

Methodology Applied
Scientific EffectMagnetic field sensing: Magnetic Field

Implementation Method 2

includes degaussing functionality to remove residual magnetism using alternating magnetic fields

Methodology Applied
Scientific EffectAlternating magnetic field: Alternating Magnetic Field

Data Source

PatentUS12023770B2Magnetic coupling device with at least one of a sensor arrangement and a degauss capability
Publication Date: 2024.07.02 MAGSWITCH AUTOMATION CO
  • US12023770B2 patent drawing
  • US12023770B2 patent drawing
  • US12023770B2 patent drawing

AI summary

Magnetic coupling devices are disclosed having magnetic field sensors. The magnetic coupling device may include a calibration module for calibrating the magnetic coupling devices.