Smart Irrigation System Using RF Mesh and Energy Harvesting
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Solution Overview
Problem
Existing irrigation systems face challenges in providing scalable, easy-to-install, and adaptable control, communication, and power solutions for distributed water distribution mechanisms, especially in complex systems exposed to the elements.
Innovation Solution
The development of a smart irrigation system that utilizes RF communication, energy harvesting, and a mesh network to enable efficient control and power distribution to sprinklers and other irrigation elements, allowing for real-time data collection and adaptive water management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional wired control systems are used for irrigation, then reliable power and communication can be provided, but installation complexity increases and scalability decreases
Solution Approach 1:
The patent replaces traditional wired mechanical/electrical control systems with wireless communication technology. The irrigation controller communicates with zone valves and sprinklers via wireless signals, eliminating the need for complex physical wiring infrastructure while maintaining reliable control signal transmission across the irrigation system.
Solution Approach 2:
The irrigation controller is designed as a universal device that can manage multiple zones and various types of irrigation elements (sprinklers, drip irrigation, etc.) through a single wireless communication interface. This multi-functional capability allows the system to scale easily without requiring additional specialized hardware for different irrigation types.
2Productivity
If distributed control elements are added to improve water management precision, then water distribution efficiency improves, but system complexity and power requirements increase
Solution Approach 1:
The irrigation system is segmented into independently controllable zones, each managed by its own zone valve that can be individually controlled by the central irrigation controller. This segmentation allows precise water distribution to specific areas based on their unique irrigation needs, improving overall water distribution efficiency while maintaining manageable system complexity through modular zone-based architecture.
3Ease of operation
If wireless communication is implemented for easier installation, then ease of installation improves, but reliability in harsh environmental conditions may deteriorate
Solution Approach 1:
The patent employs wireless communication signals as an intermediary medium to transmit control commands and status information between the irrigation controller, zone valves, and sprinklers. This intermediary wireless communication layer enables easy installation without physical wiring while incorporating error correction and signal redundancy mechanisms to maintain reliability in harsh outdoor environmental conditions.
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 enables precise and efficient water distribution, reduces waste, and allows for easy installation and maintenance, while also supporting after-market changes and scalability.
Implementation Method 1
sprinklers that harvest energy from water flow to power communication and control circuitry
Implementation Method 2
The controller and sprinklers may communicate via RF signals
Data Source
AI summary
A smart irrigation system is described. The irrigation system includes a controller as well as a number of in-line elements for distributing water and/or making measurements related to irrigation of an area.