Home CO Monitoring With Source Diagnosis and Ventilation Control
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Solution Overview
Problem
Current home monitoring systems are limited in their ability to diagnose and mitigate toxic gas buildup, particularly for colorless and odorless gases like carbon monoxide, as they lack comprehensive diagnostic and mitigation functions, making it difficult to identify the source of gas emissions due to their specificity and limited flexibility.
Innovation Solution
A home automation system that utilizes carbon monoxide sensors to monitor and record readings, correlates activity of home components with sensor data, generates adjusted activity schedules to test correlations, and activates ventilation systems or other mitigation measures when necessary to reduce gas exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If home monitoring systems are designed for limited and specific functions, then the system complexity is reduced, but the diagnostic and mitigation capabilities for toxic gases are insufficient
Solution Approach 1:
The home monitoring system is enhanced to perform multiple functions beyond basic detection. The system now integrates detection, diagnostics, and mitigation capabilities by correlating CO sensor readings with component activity schedules, generating diagnostic reports, and automatically controlling ventilation systems to maintain negative pressure. This multi-functional approach resolves the contradiction by expanding system capabilities without proportionally increasing complexity.
Solution Approach 2:
The patent combines previously separate functions into a unified system. The CO detection function is merged with component monitoring, activity scheduling, and ventilation control functions. By integrating these functions into a single coordinated system that shares data and control mechanisms, the patent achieves enhanced diagnostic and mitigation capabilities while managing system complexity through functional integration.
2Measurement precision
If the system monitors and correlates activity of multiple home components with sensor data, then the diagnostic capability is improved, but the device complexity increases
Solution Approach 1:
The diagnostic function is segmented into distinct operational phases: data collection phase (monitoring CO readings and component activity), correlation analysis phase (comparing readings with activity schedules), and report generation phase (producing diagnostic conclusions). This segmentation allows the system to achieve high diagnostic precision through systematic analysis while managing complexity by breaking down the monitoring process into discrete, manageable steps.
Solution Approach 2:
The system performs preliminary actions by establishing baseline activity schedules for home components before toxic gas events occur. These pre-defined schedules serve as reference data for later correlation analysis with CO sensor readings. By having component activity patterns predetermined and stored, the system can quickly diagnose gas sources through comparison without requiring complex real-time analysis of multiple variables simultaneously.
3Measurement precision
If the system generates adjusted activity schedules to test correlations, then the diagnostic accuracy is improved, but the loss of time increases
Solution Approach 1:
The system implements periodic action through structured test cycles. After initial correlation analysis identifies potential gas sources, the system generates adjusted activity schedules that systematically vary component operation patterns in periodic test cycles. These structured periodic tests efficiently isolate diagnostic uncertainties by methodically changing one variable at a time, achieving high diagnostic accuracy while minimizing total testing time through organized repetition rather than random or exhaustive searching.
Data Source
AI summary
Various arrangements for detecting and mitigating toxic gases are presented. Components of a home automation system may be used to monitor gas concentrations in home. Changes or elevated levels of gas concentrations may trigger mitigation or diagnosis procedures. Diagnosis procedures may include correlating the gas sensor readings with the activity of components of a home to identify possible causality. The activity of components may be changed and altered to test correlations or determine causality between components.