Gypsum Panel With Integrated Wireless Sensor for Moisture Detection
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Solution Overview
Problem
Gypsum panels in building construction are vulnerable to environmental damage such as moisture intrusion and degradation, which often goes undetected until severe, leading to issues like mold and mildew, due to the lack of early detection systems.
Innovation Solution
Integration of environmental sensors, specifically moisture sensors, into gypsum panels to monitor and detect environmental conditions, allowing for early detection of damage and communication of data to a reader without the need for wired connections, using passive or active systems that can be incorporated during manufacturing or at construction sites.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If environmental sensors are integrated into gypsum panels, then early detection of moisture intrusion is improved, but device complexity increases
Solution Approach 1:
The sensor assembly is integrated directly into the gypsum panel structure, merging the sensing function with the panel itself. This allows early detection of moisture intrusion while maintaining a unified, simple panel design rather than adding separate monitoring systems.
Solution Approach 2:
The sensor assembly monitors the panel's own environmental conditions (moisture, temperature) and provides self-diagnosis capability. This self-monitoring approach enables early detection without requiring external complex monitoring infrastructure.
2Measurement precision
If wired connection systems are used for sensor data transmission, then measurement precision is improved, but ease of operation deteriorates
Solution Approach 1:
The patent replaces wired mechanical connections with wireless communication for data transmission. This eliminates the need for physical wiring while maintaining data transmission capability, significantly simplifying installation and making the system easier to operate.
Solution Approach 2:
The sensor assembly uses wireless signals as an intermediary to transmit data between the sensor and external monitoring systems. This intermediary approach eliminates the need for direct physical connections while enabling accurate data transmission.
3Ease of manufacture
If passive sensor systems are used, then ease of manufacture is improved, but power availability worsens
Solution Approach 1:
The passive sensor assembly harvests energy from the ambient environment (RFID reader signals, temperature differentials, or vibration) to power itself. This self-powering approach eliminates the need for external power sources while maintaining sensing functionality.
Solution Approach 2:
The system uses an external RFID reader or energy harvesting mechanism as an intermediary to provide power to the passive sensor. This intermediary supplies the necessary energy without requiring complex power management within the sensor itself.
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
Enables early detection of moisture intrusion and other environmental conditions, reducing the risk of severe damage and improving the water-resistive and air-barrier properties of gypsum panels, thereby extending their lifespan and reducing maintenance costs through reduced labor and improved inspection efficiency.
Implementation Method 1
the first temperature sensor is an RFID transponder arranged to transmit the first temperature data, and wherein the first temperature sensor is arranged to extract operating energy from a radio frequency field
Data Source
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AI summary
Gypsum panels, methods for their manufacture, and systems and methods for monitoring environmental conditions with such panels are provided herein. The panels include a gypsum core having a first surface and an opposed second surface, a first facer material associated with the first surface of the gypsum core, and an environmental sensor assembly associated with the gypsum panel and configured to detect an environmental condition of the gypsum panel and wirelessly communicate data on the environmental condition to a reader.