Smart Sensor Salt Level Detection in Water Softener Brine Tanks
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Solution Overview
Problem
Home or business owners face challenges in predicting when the salt level in a water softener's brine tank needs refilling, as salt consumption varies with water usage, making regular visual inspections inconvenient.
Innovation Solution
A system comprising a water softener, a sensor device attached to the brine tank's cover, and a remote server that measures and monitors the salt level, sends alerts when refilling is needed, and recalibrates the sensor after salt addition, using distance sensors and wireless communication for automated monitoring and notification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual visual inspection is used to monitor salt level, then the system is simple and low-cost, but it requires regular user intervention and is inconvenient
Solution Approach 1:
The brine tank system performs self-monitoring through an integrated sensor device that automatically detects salt levels and sends notifications to users, eliminating the need for manual visual inspection and user intervention in monitoring tasks
Solution Approach 2:
The manual visual inspection process is replaced with an electronic sensor-based system that uses optical or capacitive sensors to detect salt levels, wirelessly transmits data, and automatically generates alerts, substituting mechanical/user-based monitoring with automated electronic monitoring
2Reliability
If regular visual inspection is performed to ensure salt refilling, then salt level can be monitored, but it consumes user time and is inconvenient
Solution Approach 1:
The system implements continuous feedback monitoring where the sensor device constantly measures salt levels, compares them against threshold values, and automatically sends notifications to users when refilling is needed, providing reliable real-time monitoring without user time investment
Solution Approach 2:
The sensor device performs preliminary detection of salt levels and proactively notifies users before the brine tank runs out of salt, allowing users to refill at their convenience rather than requiring regular inspections to prevent running out
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
The system provides accurate and timely alerts for salt refilling, reducing the need for manual inspections and ensuring continuous water softening performance by automating the monitoring and notification process.
Implementation Method 1
The sensor can be one or more of an ultrasound distance sensor, an infrared light distance sensor, or an image sensor
Implementation Method 2
The sensor can be one or more of an ultrasound distance sensor, an infrared light distance sensor, or an image sensor
Implementation Method 3
The sensor can be one or more of an ultrasound distance sensor, an infrared light distance sensor, or an image sensor
Data Source
AI summary
The present disclosure relates to systems and methods for monitoring the fill level of salt in a brine tank of a water softener system. Distance measurements may be taken by a wireless-enabled smart sensor device disposed at an interior surface of a brine tank cover. Calibration of the smart sensor device may include taking distance measurements corresponding to different fill levels of the brine tank, obtaining at least one corresponding user-defined fill ratio, and storing these as calibration data. Subsequent distance measurements may be used to determine a current fill ratio based on the calibration data. If the current fill ratio is below a threshold value, an alert may be sent to the user device indicating that salt should be added. If the current fill ratio is above a previous fill ratio, an alert may be sent to the user device requesting recalibration of the smart sensor device.