Magnetic Shunt System for Pipeline Sensor Field Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pipeline inspection devices struggle to effectively control and manipulate the magnetic field for accurate data interpretation and movement through pipelines, particularly in unpiggable lines, due to difficulties in adjusting and coordinating the magnetic poles and drive systems.
Innovation Solution
A conduit sensor device with a magnetic shunt system that includes rotatable magnet rotor assemblies and a shunt motor, allowing for precise control of the magnetic field by rotating the magnets to maximize or minimize the magnetic field strength, enabling easier movement through pipelines and accurate data collection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If rotatable magnets with mechanical drive systems (springs and toothed wheels) are used to control magnetic field strength, then the magnetic field can be adjusted, but the device complexity increases and coordinated control of multiple magnets becomes difficult
Solution Approach 1:
The patent combines multiple rotatable magnets and their drive mechanisms into a single integrated assembly where all magnets are rotated by one common drive system. This merging of previously separate magnet assemblies reduces overall device complexity while maintaining the ability to coordinate magnetic field control across multiple poles.
Solution Approach 2:
The single rotatable magnet assembly serves multiple functions: it controls the magnetic field strength for inspection, enables navigation through pipelines including obstructions, and provides coordinated rotation of all magnetic poles simultaneously. This multi-functionality eliminates the need for separate control systems for each magnet.
2Adaptability or versatility
If multiple springs and toothed gears are used to control each rotatable magnet, then individual magnet adjustment is possible, but the ease of operation deteriorates due to difficulty in coordinating multiple magnets
Solution Approach 1:
The patent merges multiple individual magnet control mechanisms into a single unified rotatable assembly. Instead of operating multiple separate springs and toothed wheels, the operator controls one integrated mechanism that simultaneously adjusts all magnetic poles, greatly improving ease of operation while maintaining full adjustment capability.
3Measurement precision
If the magnetic field is strengthened for accurate data interpretation, then measurement precision improves, but the device experiences increased magnetic attraction to pipeline walls making movement more difficult
Solution Approach 1:
The patent implements a dynamic magnetic field control system where the strength of the magnetic field can be adjusted in real-time. The rotatable magnets allow the system to optimize magnetic field strength for accurate inspection data while reducing magnetic attraction forces during navigation, enabling dynamic adaptation to different operational requirements.
Solution Approach 2:
The system changes the magnetic field parameters (strength and orientation) by rotating the magnets to different positions. This allows optimization of the magnetic field for measurement precision when inspection is needed, and reduction of magnetic attraction forces when movement through the pipeline is required.
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
The magnetic shunt system allows for accurate data interpretation and easy navigation through pipelines, including obstructions, by effectively controlling the magnetic field, enhancing the inspection process and data accuracy.
Implementation Method 1
A first magnet rotor assembly proximate a first end portion of the device and rotatable between first and second positions. A second magnet rotor assembly proximate a second end portion of the device and rotatable between first and second positions. The first position of the first magnet rotor assembly in combination with the first position of the second magnet rotor assembly creates the maximum strength magnetic field. The second position of the second magnet rotor assembly in combination with the second position of the second magnet rotor assembly effectively completely shunts the magnetic field rendering no magnetic field.
Data Source
AI summary
A conduit sensor device comprises a first end portion, a second end portion, a first magnet rotor assembly residing proximate the first end portion of the device and rotatable between first and second positions, a second magnet rotor assembly residing proximate the second end portion of the device and rotatable between first and second positions. The first magnet rotor assembly includes a first plurality of magnets axially arranged about a first axis. The first magnet rotor assembly includes a first top portion and a first bottom portion securing the first plurality of magnets within the first magnet rotor assembly. The second magnet rotor assembly includes a second plurality of magnets axially arranged about a second axis. The second magnet rotor assembly includes a second top portion and a second bottom portion securing the second plurality of magnets within the second magnet rotor assembly.