Wireless Ventilation Control Using Remote Air Quality Detection
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Solution Overview
Problem
Existing ventilation systems in buildings face challenges in efficiently adapting to changing indoor and outdoor conditions, leading to suboptimal energy consumption and indoor air quality, particularly due to the complexity of installing control modules that account for climatic and occupancy parameters.
Innovation Solution
A configurable ventilation system with a detection and processing unit placed within the occupied space to monitor ambient air quality parameters, allowing for automated adjustment of air flow through adjustable ventilation vents, using sensors for chemical and physical parameter detection and wireless communication to control ventilation devices based on detected conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a control module is installed on the roof to receive climatic parameters and adjust fan speed, then the system can adapt to climatic conditions, but the installation becomes complex and flexibility is reduced
Solution Approach 1:
The detection and processing unit is extracted from the roof-mounted fan and placed inside the occupied space. This separates the intelligence from the mechanical ventilation component, simplifying roof installation while maintaining adaptive capabilities through wireless communication between the units.
Solution Approach 2:
A wireless communication system acts as an intermediary between the detection unit inside the space and the fan on the roof. This mediator enables climate adaptation without requiring complex physical connections or integrated control modules on the roof.
2Reliability
If ventilation systems continuously run to maintain air quality, then indoor air quality is preserved, but energy consumption increases
Solution Approach 1:
The ventilation system transitions from static continuous operation to dynamic variable-speed operation. The fan speed automatically adjusts based on real-time detection of air quality parameters, occupancy levels, and climatic conditions, maintaining air quality while optimizing energy consumption.
Solution Approach 2:
The detection unit continuously monitors air quality parameters and feeds this information back to control fan operation. This closed-loop feedback system ensures air quality requirements are met while avoiding unnecessary ventilation when conditions permit, reducing energy waste.
3Measurement precision
If detection and processing units are placed inside the occupied space, then real-time air quality monitoring is improved, but the system requires additional components
Solution Approach 1:
The detection sensors and processing unit are merged into a single integrated device placed inside the occupied space. This combination consolidates multiple functions (detection, processing, communication) into one component, improving measurement capability without proportionally increasing system complexity.
Data Source
Figure 1a
Figure 1b
Figure 2~3
AI summary
System for controlling a configurable remote ventilation vent that can be adjusted in an automated manner to allow air flow in a space of human occupancy, comprising: - a box (26) to be placed at a distance from the vent, - a acquisition (28) integral with the casing (26), having access to the ambient air (30) in the space of human occupation, and detecting a chemical or physical parameter of the ambient air (30) at the level of the casing (26), - a computerized processing system (27), carried by the housing (26), and determining an adjustment parameter of the remote mouth from the parameter detected by the acquisition system (28), - a device communication (33), carried by the housing (26), transmitting in the direction of the remote mouth the setting parameter.