Actuating and Sensing Module for Air Quality Monitoring
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Solution Overview
Problem
Portable electronic devices equipped with sensors for environmental air monitoring face challenges in maintaining consistent airflow, leading to prolonged response times and reduced measuring precision.
Innovation Solution
An actuating and sensing module integrating at least one sensor, an actuating device, and a power storage member, where the actuating device, such as a piezoelectric pump, stabilizes and uniformly provides fluid flow to the sensor, reducing response time and enhancing measuring precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If natural air circulation is used for sensor measurement, then the device structure remains simple, but the sensor fails to fetch consistent airflow resulting in prolonged response time and reduced measuring precision
Solution Approach 1:
An actuating device is introduced as an intermediary component between the natural air circulation and the sensor. This actuating device actively transports and provides fluid to the sensor, ensuring consistent and stable airflow that significantly reduces response time and improves measurement precision without requiring complete redesign of the device architecture
Solution Approach 2:
The actuating device performs preliminary action by pre-processing the fluid (air) before it reaches the sensor. It actively prepares and delivers the fluid in a controlled manner, ensuring that the sensor receives consistently pre-conditioned airflow, thereby eliminating the inconsistency caused by passive natural circulation
2Speed
If natural air circulation is used for sensor measurement, then the device structure remains simple, but the response time of the sensor is prolonged
Solution Approach 1:
The actuating device serves as a mediator that accelerates fluid delivery to the sensor. By actively transporting fluid rather than relying on passive diffusion or natural circulation, the response time is significantly reduced while the added complexity is confined to a single functional component
Solution Approach 2:
The passive mechanical system of natural air circulation is replaced with an active actuating mechanism. This substitution introduces controlled mechanical action (through the actuating device) to rapidly deliver fluid to the sensor, transforming the measurement process from passive to active and thereby reducing response time
3Reliability
If natural air circulation is used for sensor measurement, then no additional power consumption is required, but the sensor cannot maintain stable measurement due to inconsistent airflow
Solution Approach 1:
The actuating device acts as an intermediary that stabilizes the fluid delivery process. By actively controlling and regulating the fluid flow to the sensor, it ensures consistent and reliable measurements. The energy consumption is localized to the actuating device, while the sensor itself operates in a stable, controlled environment
Solution Approach 2:
The actuating device changes the parameters of fluid delivery (flow rate, consistency, timing) to optimize sensor performance. By actively controlling these parameters rather than relying on variable natural circulation, the system achieves stable and reliable measurements. The energy input is used to maintain optimal flow parameters
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 module enables real-time monitoring of air quality by providing stable and uniform fluid flow to the sensor, improving response time and precision, and allows for immediate data display and notification, with data transmission to a connection device or cloud database for air quality management.
Implementation Method 1
The actuating device is driven to transport the fluid toward the sensor so as to make the fluid measured by the sensor
Implementation Method 2
The power storage member is configured as a graphene battery, and is disposed for providing power to the at least one sensor and the at least one actuating device
Data Source
AI summary
An actuating and sensing module is provided. The actuating and sensing module includes at least one sensor, at least one actuating device and a power storage member. The sensor is disposed for measuring fluid. The actuating device is disposed proximate to the sensor and is disposed for transporting the fluid. The power storage member is configured as a graphene battery and is disposed for providing power to the at least one sensor and the at least one actuating device for driving the at least one sensor and the at least one actuating device. The actuating device is driven to transport the fluid toward the sensor so as to make the fluid measured by the sensor.