Firefighting Drone Support Units for Battery Swap and Liquid Refill
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Solution Overview
Problem
Current firefighting methods, including aerial interventions, face limitations such as high costs, limited effectiveness, and restricted operational capabilities of drones due to battery autonomy and liquid delivery capacity, making them inefficient for large-scale forest fires, especially at night and in areas without accessible water sources.
Innovation Solution
A coordinated system of drone support units with interchangeable firefighting liquid containers and automated battery recharging, allowing strategic positioning and extended mission duration, enabling efficient and coordinated water drop operations, even at night, using a control unit for optimized mission planning and management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If drones are used for firefighting, then operational flexibility and accessibility to remote areas are improved, but battery autonomy and liquid delivery capacity are limited
Solution Approach 1:
The drone system is divided into modular components: interchangeable battery modules, separate liquid container modules, and standardized mounting interfaces. This segmentation allows rapid swapping of depleted batteries and refilling of liquid containers at field locations, extending operational duration without increasing base weight or complexity.
Solution Approach 2:
The system enables dynamic parameter changes by allowing substitution of different battery capacities and liquid container sizes based on mission requirements. Drones can be reconfigured for different flight durations and liquid delivery volumes, optimizing performance for specific firefighting scenarios while maintaining operational flexibility.
2Quantity of substance
If large aircraft are used for aerial firefighting, then water delivery capacity is improved, but cost and operational limitations are increased
Solution Approach 1:
Instead of relying on a single large aircraft with complex operational requirements, the system segments water delivery across multiple smaller drones. Each drone carries a manageable liquid container, and collectively they achieve substantial water delivery capacity while simplifying individual unit operations and reducing overall system complexity.
Solution Approach 2:
Multiple drones with moderate liquid capacities operate in coordination to deliver water to fire zones. By merging the capabilities of several independent units, the system achieves water delivery capacity comparable to large aircraft while avoiding their operational limitations, such as need for extensive infrastructure and longer response times.
3Ease of manufacture
If ground interventions are used, then cost is reduced, but effectiveness on large fires is limited
Solution Approach 1:
The drone system serves multiple functions: it can deliver water, drop extinguishing agents, provide aerial monitoring, and conduct fire perimeter mapping. This multi-functionality allows a single platform to perform both surveillance and direct firefighting operations, achieving effectiveness comparable to specialized equipment while maintaining lower operational costs.
Solution Approach 2:
Drones act as an intermediary between ground-based command centers and hard-to-reach fire zones. They can access areas inaccessible to ground crews while carrying affordable payloads of water or extinguishing agents, bridging the gap between low-cost ground operations and high-effectiveness aerial intervention.
4Manufacturing precision
If conventional aerial interventions are used, then water drop precision is improved, but coverage area is reduced
Solution Approach 1:
The water delivery task is segmented across multiple drones, each responsible for a specific sub-area. Individual drones maintain precise water drop accuracy on their assigned targets, while the collective fleet achieves broad coverage by coordinating their actions across different zones of the fire perimeter.
Solution Approach 2:
Drones execute periodic water delivery missions, with multiple passes over different areas. Each drone maintains precision on repeated targets while the system achieves comprehensive coverage through scheduled rotations and sequential operations across the fire zone.
Data Source
AI summary
A coordinated support system for drones includes support units that have the shape and size of a common container and can be easily moved by using common road tractors, so to position a drone fleet close to a fire, possibly recover the aircraft at the end of the mission, and enable transfer during the mission to areas of strategic interest or priority importance to effectively fight the spreading of fire fronts in real time. Coordination and control are carried out through a control unit. The drones are powered by batteries, the automated replacement and recharging of which extends flight autonomy. The system enables an initial filling and subsequent multiple refills of the drones with an extinguishing liquid contained in small dispersible containers, which can be hooked and unhooked from the drones by remote control so to perform multiple missions.