Smart Chlorine Feeder Control for Variable Pool Disinfection
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Solution Overview
Problem
Existing chlorine feeders for pools lack automatic control over disinfectant dispensing, are unable to adjust to fluctuating disinfectant demand, and cannot integrate with pool-automation equipment or receive feedback from sensors, leading to inconsistent pool disinfection levels.
Innovation Solution
A disinfectant-dispensing device with a smart valve, electric motor, and microcontroller that adjusts chlorine dispensing based on digital commands and pool conditions, using a venturi effect for efficient mixing and distribution, and integrates with pool-automation systems for real-time adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual flow control is used in existing feeders, then the device structure is simple, but the pool disinfectant levels become unbalanced when demand fluctuates
Solution Approach 1:
The patent implements a feedback control system where a sensor continuously monitors pool water quality parameters (chlorine levels, pH, temperature) and sends signals to the microcontroller. The microcontroller adjusts the smart valve position based on this feedback to maintain optimal disinfectant levels, directly resolving the reliability issue while managing complexity through automated control.
Solution Approach 2:
The system performs self-adjustment by automatically monitoring pool conditions and modifying chlorine dispensing without manual intervention. The microcontroller and smart valve work together to self-regulate the flow rate based on real-time sensor data, eliminating the need for manual flow control adjustments and ensuring consistent disinfectant levels.
2Adaptability or versatility
If the feeder operates at a steady rate, then the device operation is simple, but it cannot respond to changes in pool disinfectant demand
Solution Approach 1:
The patent transitions from static steady-rate operation to dynamic adaptive control. The smart valve can adjust its opening position in real-time based on pool conditions, allowing the system to adapt to fluctuating disinfectant demands caused by sunlight, temperature, rainfall, or pool usage while maintaining automated operation.
Solution Approach 2:
The sensor-microcontroller-valve feedback loop enables the system to detect changes in pool conditions and automatically adjust the dispensing rate accordingly, providing both adaptability to demand changes and automated control without requiring manual intervention.
3Reliability
If chlorine pellets are used to maximize chlorination, then the initial disinfectant level is high, but the chlorination level drops as pellets erode over time
Solution Approach 1:
The sensor continuously monitors chlorine levels in the pool water and provides feedback to the microcontroller. As chlorine pellets erode and levels drop, the system detects this change and automatically adjusts the smart valve to maintain optimal chlorination, ensuring constant disinfectant levels throughout the pellets' lifecycle.
Solution Approach 2:
The system dynamically changes the flow rate parameter based on the remaining quantity of solid medium and measured chlorine levels. By adjusting the water flow rate through the smart valve, the system compensates for pellet erosion to maintain consistent chlorination output over time.
4Extent of automation
If existing feeders are used, then manual intervention is required, but they cannot integrate with pool-automation equipment or receive sensor feedback
Solution Approach 1:
The patent implements a universal control architecture where the microcontroller can receive digital commands from various pool automation systems and process feedback from multiple sensor types (chlorine, pH, temperature). This multi-functional capability enables seamless integration with different automation equipment while managing complexity through standardized communication protocols.
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
Ensures consistent pool disinfection levels by automatically adjusting chlorine dispensing based on demand and sensor feedback, enhancing pool water quality management.
Implementation Method 1
The shaft of the smart valve is positioned to extend into a flow channel that draws water from the inlet based on a venturi flow effect.
Data Source
AI summary
Examples herein include systems and methods for an improved disinfectant-dispensing device, such as a device that dispenses chlorine and/or bromine. An example embodiment can include a disinfectant-dispensing device with a chamber that holds solid disinfectant and includes an inlet and outlet. The device can also have a smart valve that includes an electric motor, a shaft, and a microcontroller. The electric motor can provide rotational motion to the shaft, which can extend or retract to allow or prevent the flow of water into the chamber. The microcontroller can operate the electric motor to control the shaft. The device can also include a battery that powers the electric motor and can be trickle charged via the low-power data channel. In one example, the microcontroller can receive a digital command from a pool controller on a low-power data channel and adjust the electric motor accordingly.