Inline Water Leak Detection Using Pressure Analysis
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Solution Overview
Problem
Current systems lack effective methods for timely detection of water leaks in building plumbing systems, leading to wasted water and potential damage, as they fail to accurately determine the height of leaks and isolate the leakage point efficiently.
Innovation Solution
An intelligent water-monitoring system with sensors and a shutoff valve is installed inline with the building water system, using pressure data to predict the final constant pressure and determine the height of a leak, allowing for remote communication and automatic isolation of the leak.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a monitoring device is installed to detect water leaks, then leak detection capability is improved, but device complexity increases
Solution Approach 1:
The monitoring device is divided into functional modules: pressure sensor for detection, shutoff valve for isolation, and processing logic for analysis. This segmentation allows each component to perform its specific function efficiently while maintaining overall system reliability without excessive complexity.
Solution Approach 2:
The system automatically detects leaks through pressure monitoring, determines leak height using processing logic, isolates the leak via automatic shutoff valve operation, and communicates results remotely. This self-service capability improves leak detection reliability without requiring complex manual intervention systems.
2Loss of substance
If the system automatically isolates the building water system by closing the shutoff valve, then water loss is reduced, but the complexity of operation increases
Solution Approach 1:
The monitoring device automatically closes the shutoff valve when a leak is detected, eliminating the need for manual intervention. This self-service isolation mechanism reduces water loss while maintaining ease of operation, as the system handles the complex isolation process autonomously without requiring user expertise.
Solution Approach 2:
The pressure sensor continuously monitors water pressure and provides feedback to the processing logic. When abnormal pressure patterns indicating a leak are detected, the system automatically activates the shutoff valve. This feedback loop enables automatic water loss reduction while keeping the operation simple for the user.
3Measurement precision
If pressure sensors and processing logic are used to determine leak height, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The system replaces complex mechanical leak localization methods with electronic pressure sensing and digital processing logic. The pressure sensor electronically measures pressure at different heights, and the processing logic calculates leak height based on pressure differential equations. This substitution improves measurement precision while managing device complexity through electronic rather than mechanical means.
Solution Approach 2:
The processing logic acts as an intermediary between the pressure sensor data and the leak height determination. It receives raw pressure measurements, applies calculation algorithms based on fluid pressure principles, and outputs the determined leak height. This intermediary layer improves measurement precision by systematically processing data while keeping the overall device complexity manageable through modular design.
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 enables early detection of leaks, minimizing water loss and damage by accurately determining the leak height and automatically isolating the leak, thus preventing further water wastage and structural harm.
Implementation Method 1
receiving, from a pressure sensor of the monitoring device, data corresponding to a decreasing pressure of water in the plumbing system
Implementation Method 2
isolating a leaking plumbing system from a water supply by closing a shutoff valve of a monitoring device installed at an inlet of the plumbing system
Implementation Method 3
a first ultrasonic transceiver disposed adjacent a first port of the plurality of ports; a second ultrasonic transceiver disposed adjacent a second port of the plurality of ports
Data Source
AI summary
An intelligent water-monitoring system includes a water-monitoring device installable inline with a building water system (e.g., at an inlet of the system). A plurality of sensors of the water-monitoring device are configured to sense properties of the building water system, such as water pressure and water flow. The water-monitoring device has a valve and a controller configured to automatically shut the valve in response to sensed data indicating a possible problem in the building water system. The intelligent water-monitoring system may include an app executable by a computing device to display information based on the sensed data.