Conductive Gasket for Fenestration Tampering Detection
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Solution Overview
Problem
Current fenestration systems require separate vibration sensors for windows, doors, and vents, which are not universally applicable and fail to detect tampering with gaskets, such as picking the glass, and often require additional tooling and preparation for installation.
Innovation Solution
A fenestration system utilizing an electrically-conductive gasket as a pressure transducer between rigid components, with a control system to monitor real-time resistance changes and generate signals for tampering detection, integrated with a power source and control unit for visual or audible alarms, allowing universal monitoring of openings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If separate vibration sensors are installed for windows, doors, and vents, then tampering detection capability is improved, but device complexity and installation difficulty increase
Solution Approach 1:
The gasket is designed to serve multiple functions: it provides the sealing function traditional gaskets perform, while simultaneously acting as a vibration sensor through integrated piezoelectric material. This eliminates the need for separate sensors on windows, doors, and vents, creating a universal solution that reduces device complexity while maintaining tampering detection capability.
Solution Approach 2:
The invention merges the sealing gasket and vibration sensing functions into a single integrated component. The piezoelectric material is incorporated directly into the gasket structure, combining what were previously separate elements (gasket + separate sensor) into one unified device that performs both sealing and tampering detection.
2Reliability
If additional vibration sensors are added to fenestration systems, then security monitoring is improved, but installation preparation and tooling requirements increase
Solution Approach 1:
The gasket is designed to be self-sufficient, requiring no additional tooling or preparation for installation. The integrated piezoelectric gasket installs using the same methods as traditional gaskets, eliminating the need for separate sensor mounting hardware, electrical connections, or specialized installation procedures.
Solution Approach 2:
The universal design of the integrated gasket allows it to be installed on any fenestration system (windows, doors, vents) using standard installation procedures, eliminating the need for different sensor types and installation methods for different applications.
3Reliability
If traditional separate sensors are used for fenestration monitoring, then tampering detection is improved, but the footprint and hardware requirements increase
Solution Approach 1:
The integration of the piezoelectric sensing function within the gasket itself eliminates the need for separate sensor housings, mounting brackets, and wiring components. The entire sensing system is contained within the gasket's existing physical space, dramatically reducing the footprint compared to separate sensor installations.
Solution Approach 2:
The invention extracts the sensing function from separate hardware components and embeds it directly into the gasket material itself. This eliminates the need for additional external sensors and their associated mounting hardware, reducing the overall system footprint.
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 universal monitoring of fenestration systems with reduced hardware footprint, detecting tampering and maintaining system status, including proper installation verification, without the need for separate sensors, enhancing security and maintenance efficiency.
Implementation Method 1
the gasket being made of an electrically-conductive material and exhibiting a baseline resistance when arranged between the first and second rigid components
Data Source
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AI summary
A fenestration system includes opposing first and second rigid components, a gasket interposing the first and second rigid components, the gasket being made of an electrically-conductive material and exhibiting a baseline resistance when arranged between the first and second rigid components, and a control system communicably coupled to the gasket with one or more wires and operable to monitor a real-time resistance of the gasket and generate a signal when the real-time resistance deviates from the baseline resistance.