Multi-Sensor Environmental Monitoring Device with Video Integration
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Solution Overview
Problem
Conventional sensors are limited in detecting a wide range of environmental conditions beyond life safety thresholds, failing to provide comprehensive monitoring and verification of non-toxic but potentially problematic substances and activities, and lack integration with video and audio verification systems for enhanced analysis.
Innovation Solution
A multi-sensor device system that integrates environmental sensors for detecting gases, particles, sound, and movement, capable of setting thresholds and generating measurement profiles for specific substances, and interfaces with video monitoring systems to provide quantitative data and alerts, using metal oxide films, laser particle detection, and advanced electronic circuitry for accurate detection and communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional single-purpose sensors are used for life safety detection, then the device complexity is low and the ease of manufacture is high, but the adaptability is limited and the measurement precision for non-toxic substances is insufficient
Solution Approach 1:
The patent combines multiple sensor types (metal oxide gas sensors, laser particle detection, audio sensors, video cameras) into a single integrated monitoring device. This merging approach enables comprehensive detection of various substances and activities simultaneously, resolving the contradiction by achieving broad adaptability while managing complexity through integrated design
Solution Approach 2:
The monitoring device is designed with multi-functional capabilities to detect different types of gases, particles, sounds, and visual events within a single system. This universal design allows one device to perform multiple detection functions, improving adaptability without requiring separate specialized devices for each function
2Measurement precision
If conventional sensors with single threshold detection are used, then the ease of operation is high and the device complexity is low, but the measurement precision is insufficient for comprehensive environmental monitoring
Solution Approach 1:
The system implements dynamic threshold adjustment and multiple detection levels rather than fixed single thresholds. The electronic control system can adaptively set and modify detection thresholds based on environmental conditions, improving measurement precision while managing complexity through software-based dynamic control
Solution Approach 2:
The system incorporates feedback mechanisms where sensor data is continuously monitored, analyzed, and used to adjust detection parameters and trigger appropriate responses. The electronic control system processes signals from multiple sensors and provides feedback control to maintain optimal detection accuracy across varying conditions
3Reliability
If video monitoring systems are added for verification, then the reliability of event verification is improved, but the device complexity and loss of time for data processing increase
Solution Approach 1:
The system performs preliminary analysis of sensor data to identify potential events before triggering video recording. By pre-processing sensor signals and detecting anomalies early, the system can selectively activate video verification only when necessary, improving reliability while minimizing the time loss associated with continuous video processing
Solution Approach 2:
The electronic control system acts as an intermediary that selectively triggers video recording based on sensor data analysis. Rather than continuously processing all video data, the control system mediates between sensor detection and video activation, reducing data processing time while maintaining verification reliability through intelligent triggering
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 comprehensive detection and verification of environmental conditions, providing quantitative data and alerts, and integrating with video monitoring systems for enhanced analysis and response, improving detection accuracy and operational efficiency.
Implementation Method 1
The gas sensors comprise metal oxide films micromachined on heated ceramic substrates
Implementation Method 2
The particle detector sensor component uses reflection of laser light to determine particle counts and bin particles into sizes
Implementation Method 3
metal oxide films micromachined on heated ceramic substrates
Data Source
AI summary
Embodiments of a sensor device, method and system employ a multiplicity of environmental sensors as a single monitoring and alerting mechanism, operable to provide a profile of any contaminant in terms of various gases and particles in the atmosphere, quantified in terms of relative concentrations. In various embodiments, the sensor device can comprise hardware and firmware elements, including an electronic control system, a case, a shield and a cover. The environmental sensors can be secured as part of the electronic control system and the shield can be formed so as to facilitate proper channeling of air and sound for effective operation.