Multimodal Climate Sensor Network for Continuous Air Quality Monitoring

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Solution Overview

Problem

Current air quality monitoring systems are limited in their ability to continuously monitor multiple indoor and outdoor climate parameters and often require expensive, short-term sampling, lacking integration with social networking and collaborative assessment tools.

Innovation Solution

The Multi-modal Climate Sensor Network (MCSN) employs a network of low-cost, wireless personal sensors that monitor various air quality and environmental parameters, transmitting data for real-time analysis and sharing on social networking sites, integrating climate sensing, data display, and storage functions in a single operational unit, with features like social interaction and game-based monitoring.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If portable air quality monitors are used for short-term sampling, then measurement portability is improved, but monitoring duration is limited

Engineering Contradiction:
ImproveportabilityVSAvoidmonitoring duration
Core Design Contradiction:
Ease of operationVSDuration of action of stationary object

Solution Approach 1:

The air quality monitor is designed to function both as a portable handheld device for immediate readings and as a stationary monitoring unit when connected to power and HVAC systems, enabling it to perform short-term sampling and long-term continuous monitoring across different operational modes

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Measurement precision

If expensive portable monitors are deployed, then measurement precision is improved, but cost increases

Engineering Contradiction:
Improveair quality measurement accuracyVSAvoidsystem cost
Core Design Contradiction:
Measurement precisionVSQuantity of substance

Solution Approach 1:

The monitoring system is divided into separate functional modules including sensors, processing unit, and communication interfaces, allowing precise measurements to be achieved through coordinated operation of multiple specialized components rather than relying on a single expensive integrated device

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple air quality parameters are measured simultaneously using an integrated sensor array that combines various sensing technologies (electrochemical, optical, metal oxide) to provide comprehensive air quality assessment at a lower overall cost than multiple separate instruments

Inventive Principle:
Principle #5Merging (Combining)

3Device complexity

If single-parameter air quality monitors are used, then device complexity is reduced, but measurement comprehensiveness deteriorates

Engineering Contradiction:
Improvesensor system simplicityVSAvoidparameter monitoring coverage
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The monitor integrates multiple sensing capabilities including particulate matter detection, gas concentration measurement, temperature and humidity sensing, enabling a single device to comprehensively assess various air quality parameters without requiring multiple separate instruments

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Speed

If alarm-based smoke detectors are used, then response speed is improved, but continuous monitoring capability is lost

Engineering Contradiction:
Improvealarm response timeVSAvoidcontinuous monitoring
Core Design Contradiction:
SpeedVSDuration of action of stationary object

Solution Approach 1:

The system continuously monitors air quality parameters and maintains constant surveillance of environmental conditions, providing ongoing data collection and analysis rather than intermittent alarm-only functionality, enabling both real-time detection and sustained monitoring capabilities

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP2519936B1Multimodal climate sensor network
Publication Date: 2023.03.01 RGT UNIV OF CALIFORNIA
  • EP2519936B1 patent drawingFigure 1A
  • EP2519936B1 patent drawingFigure 1B
  • EP2519936B1 patent drawingFigure 1C

AI summary

Techniques and systems are disclosed for monitoring multiple indoor and outdoor climate parameters and wirelessly transmitting the monitored data to a network for on-line analysis and dissemination. In one aspect, a monitoring device includes multiple sensors to monitor air quality modalities and generate corresponding monitored air quality data. The monitoring device includes a processor in communication with the multiple sensors to receive and process the monitored air quality data generated from the multiple sensors. Additionally, the monitoring device includes a display unit in communication with the processor to display the processed air quality data. The monitoring device includes a data communication unit to transmit the processed air quality data to a server. The server stores and optimizes the data through cross- calibration and makes the data available to persons who have purchased the monitoring devices and who wish to share the data in a social network.