Smart Respirator with Sensor-Integrated Filter for Pollutant Monitoring
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Solution Overview
Problem
Rising air pollutant levels, such as PM 2.5, pose health risks, and existing respirators lack effective monitoring and quantification of pollutant absorption.
Innovation Solution
A smart respirator with a filter sheet and sensors to detect air quality and respiratory volume, connected to a terminal for calculating pollutant absorption quantity, using Bluetooth, NFC, or infrared signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a traditional respirator is used to filter pollutants, then respiratory protection is provided, but there is no monitoring or quantification of pollutant absorption
Solution Approach 1:
The patent combines a traditional respirator with electronic monitoring components (sensors, processors, communication modules) into an integrated smart respirator system. The air quality sensor, flow sensor, and pollutant absorption calculator are merged with the respirator body, allowing simultaneous filtration and monitoring functions within a unified device structure.
Solution Approach 2:
The patent introduces electronic sensors and a processor as intermediary components between the user and the external environment. The air quality sensor detects pollutant concentrations, the flow sensor measures breathing patterns, and the processor calculates pollutant absorption, serving as intermediaries that provide information about the interaction between the user and polluted air without interfering with the primary filtration function.
2Measurement precision
If sensors and monitoring systems are added to the respirator, then pollutant absorption can be detected and quantified, but the device complexity increases
Solution Approach 1:
The patent divides the monitoring system into distinct functional modules: an air quality sensor for detecting pollutant concentrations, a flow sensor for measuring breathing flow rates, a processor for calculating pollutant absorption, and a communication module for data transmission. Each module performs a specific function, making the complex system more manageable and maintainable while achieving precise measurement capabilities.
3Measurement precision
If real-time monitoring of air quality and respiratory amount is implemented, then accurate pollutant absorption calculation is achieved, but energy consumption increases
Solution Approach 1:
The patent implements periodic sampling of air quality and flow data rather than continuous monitoring. The processor calculates pollutant absorption based on collected data points over time, providing accurate measurement while reducing energy consumption compared to continuous real-time processing. The system can adjust sampling frequency based on environmental conditions and user needs.
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
Effectively monitors and quantifies pollutant absorption, providing users with air quality data and ranking, enhancing respiratory protection and awareness.
Implementation Method 1
a filter sheet arranged inside the front respirator-body and configured to absorb pollutants in air entering the front respirator-body
Data Source
AI summary
A smart respirator includes a main respirator-body including a first open end and a second open end. A diameter of the first open end is smaller than a diameter of the second open end. The smart respirator further includes a front respirator-body arranged at the first open end. The front respirator-body includes a filter sheet arranged inside the front respirator-body and configured to absorb pollutants in air entering the front respirator-body, an air sensor arranged inside the front respirator-body and configured to detect an air index of filtered air filtered by the filter sheet, and a flow sensor arranged inside the front respirator-body and configured to determine a total respiratory amount. The smart respirator also includes a fixation band arranged at the second open end.