Roof Vent Sensor System for Early Leak Detection
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Solution Overview
Problem
Existing roof monitoring systems fail to detect minor leaks and deterioration in flat and low-slope roofs effectively, leading to premature roof failure and costly repairs.
Innovation Solution
A roof monitoring system that includes a roof vent with sensors to measure wind flow, humidity, temperature, pressure, and moisture levels, utilizing a Venturi effect to detect air leaks between the roof membrane and underlying support structure, with data storage and alert capabilities for early warning of potential issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional roof monitoring methods are used, then the system is simple and easy to implement, but the ability to detect minor leaks and deterioration is insufficient
Solution Approach 1:
The monitoring system is divided into multiple independent sensor units (pressure sensors, humidity sensors, temperature sensors) distributed across the roof membrane. Each sensor monitors specific parameters independently, and their data is aggregated to provide comprehensive leak detection capability, resolving the contradiction between detection precision and system complexity.
Solution Approach 2:
An air layer is introduced between the roof membrane and the underlying support structure to serve as an intermediary medium. This air layer allows pressure and humidity changes to be transmitted to sensors without direct contact with the structural elements, enabling precise leak detection while maintaining system simplicity through non-invasive monitoring.
2Reliability
If sensors are installed to monitor air passing between membrane and support structure, then early leak detection is enabled, but the device complexity increases
Solution Approach 1:
The sensor system is designed to perform multiple functions simultaneously: pressure sensors detect leaks, humidity sensors monitor moisture levels, and temperature sensors track thermal conditions. This multi-functionality approach improves roof failure prevention reliability without proportionally increasing system complexity, as a single integrated monitoring platform handles all sensor types.
Solution Approach 2:
The system implements continuous feedback loops where sensor data is constantly monitored, analyzed, and used to adjust monitoring parameters and alert systems. This feedback mechanism enhances reliability by enabling real-time detection and response to potential failures, while the automated nature of feedback reduces the operational complexity burden.
3Loss of information
If multiple sensors are used to monitor wind flow, humidity, temperature, pressure, and moisture, then comprehensive monitoring capability is achieved, but the cost and complexity of the system increase
Solution Approach 1:
Multiple sensor types (pressure, humidity, temperature, wind flow) are merged into a single integrated monitoring platform that processes and analyzes all environmental data through a unified interface. This consolidation achieves comprehensive environmental data collection while reducing system complexity by eliminating the need for separate monitoring systems for each parameter.
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 early detection of leaks and potential problems, reducing the risk of premature roof failure and costly repairs by monitoring environmental conditions and pressure changes under the roof membrane.
Implementation Method 1
The roof vent is preferably a domed vent system that induces a Venturi effect when wind blows through the structure of the vent or similar vent that vents air from between a membrane and subroof. The vent has a port that is open to a space under a roof membrane. When wind blows through the roof vent, low pressure is created at the port by the Venturi effect and the low pressure is applied to the space under the membrane, thereby drawing air from under the membrane.
Data Source
AI summary
A roof monitoring system for flat and low slope roofs having a membrane (10) applied over an underlying support structure or subroof (11) wherein air passing between the membrane and the subroof passes through a vent (1) having sensors (12) located therein to collect data.