Power Line Inspection UAV With Conductor-Mounted Displacement

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Solution Overview

Problem

Accessing and monitoring high-altitude components of aerial electric power lines is challenging due to their remote location, posing safety risks and requiring time-consuming and cumbersome methods, including raising human technicians or deactivating the power line.

Innovation Solution

An unmanned aerial vehicle (UAV) equipped with a displacement assembly and component monitoring tool that can be mounted on and displaced along the power line, allowing safe and remote monitoring without the need to raise a human technician or deactivate the line.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a human technician is raised from the ground or scales a neighbouring structure to access high-altitude power line components, then the component can be inspected, but the technician faces inherent safety hazards and the power line often needs to be shut off

Engineering Contradiction:
Improvesafety of technicianVSAvoidaccessibility to component
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

An unmanned aerial vehicle (UAV) is introduced as an intermediary device to access and inspect power line components. The UAV carries a robot that can mount to the power line and perform inspections, eliminating the need for human technicians to physically access high-altitude components while maintaining inspection capability

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent replaces the mechanical system of human technicians physically accessing power lines with an automated UAV-based robot system. The robot uses gripper arrangements and drive systems to autonomously navigate and inspect components, substituting human mechanical intervention with automated mechanical systems

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

2Ease of operation

If a robot is sent along the power line to access remote components, then the component can be accessed, but mounting the robot to the power line is time-consuming and cumbersome

Engineering Contradiction:
Improveaccessibility to componentVSAvoidtime to mount robot
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The robot is designed with dynamic mounting capabilities, using controllable gripper arrangements that can quickly attach to and detach from the power line. The drive system enables the robot to dynamically navigate along the power line, reducing the time and complexity of mounting operations

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The UAV-based robot system is designed with universal mounting capabilities that can attach to different types of power line components. The gripper arrangements are configured to accommodate various conductor types and configurations, enabling quick deployment without time-consuming custom mounting procedures

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

3Reliability

If the power line is shut off to allow technician access, then the technician can work safely, but power supply is interrupted

Engineering Contradiction:
Improvesafety of technicianVSAvoidpower supply continuity
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The UAV-based robot serves as an intermediary inspection device that can operate on energized power lines without requiring shutdown. The robot is designed with insulation and safety features that allow it to conduct inspections while the power line remains active, maintaining both safety and power supply continuity

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The robot creates a virtual copy or representation of the power line component through imaging and sensing devices. This allows inspection data to be captured and analyzed without physical interference or shutdown, enabling maintenance planning while maintaining continuous power supply

Inventive Principle:
Principle #26Copying

Data Source

PatentEP3545318B1Unmanned aerial vehicle for monitoring an electrical line
Publication Date: 2024.02.28 HYDRO QUEBEC CORP
  • EP3545318B1 patent drawingFigure 1A~1B
  • EP3545318B1 patent drawingFigure 2A~2B
  • EP3545318B1 patent drawingFigure 3A~3B

AI summary

An unmanned aerial vehicle mountable to an aerial conductor of an electricity transmission line to monitor a component. The unmanned aerial vehicle has a body having a propulsion system to lift, lower, and navigate the vehicle. A component monitoring tool is mounted to the body and is vertically displaceable between a first position and a second position. The tool in the first position is vertically spaced from the component. The tool in the second position is engaged with the component. A displacement assembly is mounted to at least one of the body and the tool and includes at least one displacement member to displace the body and the tool along the conductor.