Distributed Gas Analysis Network for Real-Time Ambient Air Monitoring
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Solution Overview
Problem
Existing gas analysis systems for ambient air monitoring are either expensive and centralized, limiting real-time on-site analysis, or cost-effective but unable to reliably detect multiple gases separately and suffer from cross-interference.
Innovation Solution
A real-time on-site gas analysis network utilizing a network of multiple-gas analysis devices (MGDs) and optional anemometers, which are communicatively coupled to a data/control center for real-time data communication and control, enabling active monitoring and control of ambient air quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional GC/MS systems are used for gas analysis, then detection sensitivity and specificity are improved, but installation cost and maintenance expense increase significantly
Solution Approach 1:
The patent segments the gas analysis function into distributed portable detectors at multiple locations rather than using a single centralized GC/MS system. Each portable detector handles local gas analysis independently, eliminating the need for expensive sampling pipes and centralized infrastructure while maintaining detection capabilities through multiple simpler units working in parallel
Solution Approach 2:
The patent uses multiple copies of simplified portable gas detectors instead of one complex GC/MS system. Each portable detector is a simplified version that can be deployed independently at different locations, providing the same analytical function through replication rather than through a single sophisticated instrument
2Device complexity
If simple portable single-gas detectors are used to reduce cost, then device complexity is reduced, but the ability to detect multiple gases separately deteriorates and cross-interference increases
Solution Approach 1:
The patent combines multiple single-gas detector units into a networked system where each unit detects specific gases locally. By merging the data from multiple detectors through a central processing system, the network achieves comprehensive multi-gas detection capability that surpasses individual detectors while maintaining the cost benefits of simpler components
Solution Approach 2:
The portable detectors are designed with universal detection capabilities to identify multiple types of gases using the same device. Each detector can analyze various gas compositions, and when deployed in a network, they collectively provide comprehensive monitoring of different gas species without requiring specialized equipment for each gas type
3Ease of operation
If centralized GC/MS systems with sampling pipes are used, then on-site direct analysis is improved, but system complexity and maintenance requirements increase
Solution Approach 1:
The patent divides the gas analysis function into independent portable detector units that can be placed directly at monitoring locations. This segmentation eliminates the need for centralized sampling infrastructure, allowing each detector to perform on-site analysis autonomously and simplifying the overall system architecture
Solution Approach 2:
The patent introduces a wireless communication network as an intermediary between the portable detectors and the central monitoring system. This intermediary enables data transmission without physical sampling pipes, allowing on-site analysis while eliminating the complex infrastructure of conventional sampling systems
Data Source
Figure 1A~1B
Figure 2A
Figure 2B
AI summary
Embodiments of an apparatus comprising a plurality of multiple-gas analysis devices positioned within a relevant area, each multiple-gas analysis device capable of detecting the presence, concentration, or both, of one or more gases. A data and control center is communicatively coupled to each of the plurality of multiple-gas analysis device, the data and control system including logic that, when executed, allows the data and control center to monitor readings from the plurality of multiple-gas analysis devices and if any readings indicate the presence of one or more contaminants, identifying the source of the contaminants based on the readings from the plurality of multiple-gas analysis devices.