Conductive Grid Wall Moisture Detection System
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Solution Overview
Problem
Buildings and homes are susceptible to water leaks and environmental conditions that can cause property damage and health hazards, with existing methods struggling to accurately detect the source of moisture intrusion and construction defects in a timely manner, often requiring extensive removal of wall sections to identify the problem area.
Innovation Solution
An integrated building monitoring system featuring a conductive grid with interwoven positive and negative electrodes forming a hexagon pattern, integrated within walls, coupled with signal nodes and a controller equipped with a current sensing circuit to detect moisture and mold presence by measuring electrical signals when a voltage is applied, allowing for precise location of problem areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional inspection methods are used to detect moisture intrusion and construction defects, then the system is simple and easy to implement, but the detection precision is low and extensive wall removal is required to locate problem areas
Solution Approach 1:
The patent replaces mechanical inspection methods (physical wall removal and visual inspection) with an electrical detection system. Conductive electrodes embedded in wall panels create electrical circuits that change resistance or conductivity when moisture is present, allowing non-invasive detection of moisture intrusion and construction defects through electrical measurements rather than mechanical wall removal.
Solution Approach 2:
The patent introduces conductive electrodes as intermediary elements embedded within the wall panel structure. These electrodes serve as mediators between the detection system and the moisture/mold conditions, translating physical moisture presence into measurable electrical signal changes without requiring direct physical access to or destruction of the wall material.
2Reliability
If early detection systems are implemented to identify problem areas before significant damage occurs, then property damage is reduced, but the device complexity and installation requirements increase
Solution Approach 1:
The patent implements preliminary action by embedding conductive electrodes within the wall panel structure during construction or renovation, before any moisture problems can develop. This pre-installation of detection infrastructure enables immediate early detection capability from the outset, allowing moisture intrusion to be identified at the earliest stages before significant damage occurs.
Solution Approach 2:
The patent creates a multi-functional system where the conductive electrode network serves multiple purposes: it detects moisture intrusion, identifies construction defects, monitors mold growth, and can potentially serve as part of the wall's electrical infrastructure. This universal approach consolidates multiple detection functions into a single integrated system, reducing overall complexity despite the added early detection capability.
3Stability of the object's composition
If non-invasive detection methods are used to locate moisture sources, then wall integrity is maintained, but the measurement precision and ability to identify exact problem locations may be compromised
Solution Approach 1:
The patent divides the wall panel into a grid of discrete detection zones using multiple conductive electrodes arranged in rows and columns. Each electrode or electrode pair defines a specific measurement zone, allowing the system to precisely locate moisture problems by identifying which specific segment shows abnormal electrical properties. This segmentation maintains wall integrity while achieving high spatial resolution in problem area identification.
Solution Approach 2:
The patent applies local quality by having different electrode segments monitor different specific areas of the wall panel. Each local zone has its own conductive measurement path, allowing the system to detect and precisely locate moisture intrusion in specific local areas while leaving the rest of the wall undisturbed. This localized detection approach maintains overall wall integrity while providing precise problem area identification.
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 and precise location of moisture and mold within walls, reducing property damage and health hazards by identifying problem areas before significant deterioration occurs, while also functioning as an antenna and signal repeater to enhance wireless signal transmission and provide predictive trending analysis.
Implementation Method 1
The current sensing circuit is configured to measure the current for each of the rows of the conductive grid to sense when an electrical signal from a row of the conductive grid indicates that moisture and/or a mold colony is present within the wall when a voltage is applied
Data Source
AI summary
An integrated building monitoring system including a conductive grid having a plurality of rows, where each row has a plurality of interwoven positive and negative electrodes forming a hexagon pattern, and the conductive grid is integrated within a wall. The system also includes a plurality of signal nodes, where a signal node is coupled to a respective row and each of the rows is insulated from one another. A controller is coupled to the plurality of signal nodes and has a current sensing circuit. In addition, the current sensing circuit is configured to measure the current for each of the rows of the conductive grid to sense when an electrical signal from a row of the conductive grid indicates that moisture is present within the wall when a voltage is applied.