Piezoelectric Gas Detector with Adjustable Resonance Gap
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Solution Overview
Problem
Current air quality monitoring systems are inadequate for real-time, accurate, and widespread monitoring of air quality, particularly in small areas with human activity, leading to inefficient and energy-consuming processes for improving air quality.
Innovation Solution
A gas detecting device with a precision-adjustable gap between a piezoelectric actuator and a resonance plate, enhancing air transportation efficiency and detection speed, comprising a casing, gas transportation actuator, gas detector, and driving module, which includes a gas inlet, outlet, and accommodation slot, allowing for stable and efficient gas transportation and detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a large-scale environmental monitoring base station is used to monitor ambient air quality, then the monitoring coverage is limited to areas near the base station, but the monitoring accuracy and speed in small areas with human activities is insufficient
Solution Approach 1:
The patent divides the air quality monitoring system into multiple distributed portable detectors that can be deployed in small areas with human activities. Each detector independently monitors local air quality, enabling both wide coverage through multiple units and high accuracy through localized measurement, resolving the contradiction between large-scale coverage and precise local monitoring.
2Device complexity
If the gap between the piezoelectric actuator and resonance plate is fixed, then the device structure is simple, but the gas transportation efficiency and detection stability are compromised
Solution Approach 1:
The patent implements an adjustable gap mechanism between the piezoelectric actuator and resonance plate, allowing the gap distance to be dynamically optimized for different gas transportation requirements. This dynamic adjustment capability enables the system to achieve optimal gas transportation efficiency and detection stability while maintaining a relatively simple overall device structure through controlled complexity.
3Speed
If environmental sensors provide immediate monitored information, then real-time air quality notification is achieved, but the monitoring cannot be performed everywhere and at any time
Solution Approach 1:
The patent employs portable gas detection devices that can be autonomously deployed in various locations with human activities. These self-contained units perform real-time air quality monitoring and provide immediate notifications without requiring connection to centralized infrastructure, enabling versatile deployment anywhere while maintaining real-time monitoring capability.
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
The device enables real-time, accurate air quality monitoring and immediate notification, improving the efficiency of air quality detection and processing by increasing the moving speed and accuracy of air monitoring, ensuring effective and timely air quality assessment and improvement.
Implementation Method 1
a piezoelectric actuator and a resonance plate, wherein the resonance plate is assembled on the piezoelectric actuator
Data Source
AI summary
A gas detecting device includes a casing, a gas transportation actuator, a gas detector and a driving module. The casing has an inlet, an outlet and an accommodation slot. The inlet and the outlet are in fluid communication with each other, and the accommodation slot is disposed under the inlet and is in fluid communication with the inlet. The gas transportation is disposed within and seals the accommodation slot, and the gas transportation actuator is enabled to introduce air thereinto through the inlet and discharge the air through the outlet. The gas detector is configured to detect an amount of a specific gas in the air introduced through the inlet. The driving module controls the actuations of the gas transportation actuator and the gas detector, so that the gas detector detects the amount of the specific gas in the air.