Power-Line Charging Mechanism for Long-Endurance UAV Flight
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Solution Overview
Problem
Current electric UAVs face limitations in endurance and range due to battery life and regulatory constraints, particularly in urban and suburban air mobility applications, where continuous operation and long-distance communication are challenging.
Innovation Solution
The implementation of a UAV system with a charging mechanism that maintains continuous contact with power transmission lines to draw power, combined with onboard electric circuits and Wi-Fi routers mounted on transmission lines for extended flight and communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If battery power is used to power the UAV, then the UAV can operate autonomously, but the endurance and range are limited by battery life
Solution Approach 1:
The patent implements continuous power supply to the UAV during flight by maintaining contact with power transmission lines through a pantograph mechanism. This allows the UAV to receive uninterrupted electrical power throughout its operational flight, eliminating the need to land for recharging and thereby extending endurance without being constrained by battery capacity.
Solution Approach 2:
The patent introduces power transmission lines as an intermediary infrastructure between the ground power source and the UAV. These lines serve as a mediator that transfers electrical energy continuously to the airborne vehicle, enabling extended operation without direct physical connection to the ground while maintaining reliable power supply.
2Length of moving object
If the UAV operates for extended periods, then communication range can be extended, but regulatory constraints limit long-distance operations
Solution Approach 1:
The patent combines power transmission and communication functions by mounting Wi-Fi routers on the same power transmission lines that supply power to the UAV. This integration allows simultaneous power delivery and data communication over extended distances, enabling the UAV to maintain communication connectivity throughout its extended range operations while adhering to regulatory requirements.
3Duration of action of moving object
If a charging mechanism is added to the UAV, then continuous power supply is enabled, but device complexity increases
Solution Approach 1:
The patent employs a pantograph mechanism that serves multiple functions: it maintains aerodynamic drag compensation, provides structural support for power collection, and enables continuous electrical contact with transmission lines. This multi-functional design reduces overall system complexity by combining several necessary functions into a single integrated component rather than requiring separate systems for each function.
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
This solution extends the endurance of UAVs by continuously powering them during flight, enabling hours of operation and communication over hundreds of kilometers, while addressing regulatory concerns by utilizing existing power line infrastructure for both energy and data transmission.
Implementation Method 1
The charging mechanism can connect to power transmission lines deployed near an air space in which the UAV is airborne and operating. The charging mechanism can draw power from the power transmission lines to power a flight of the UAV.
Implementation Method 2
The electric circuit is onboard the UAV. The electric circuit can generate charging currents based on the power drawn from the power transmission lines to power the flight of the UAV while the UAV is airborne.
Data Source
AI summary
An unmanned aerial vehicle (UAV) system energized by power lines includes a UAV, a charging mechanism and an electric circuit. The charging mechanism is operatively coupled to a body of the UAV. The charging mechanism can connect to power transmission lines deployed near an air space in which the UAV is airborne and operating. The charging mechanism can draw power from the power transmission lines to power a flight of the UAV. The electric circuit is onboard the UAV. The electric circuit can generate charging currents based on the power drawn from the power transmission lines to power the flight of the UAV while the UAV is airborne.