Ventilation Control Group With Sensor-Based Air Quality Feedback
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mechanical ventilation systems fail to consistently ensure good air quality in internal environments due to inadequate air analysis and control, particularly in large cities where air quality is deteriorating, and they lack the ability to operate effectively in different conditions.
Innovation Solution
A ventilation control system that includes sensors to detect air quality parameters like CO2, oxygen, particulates, and VOCs, along with filtering and heat exchange capabilities, controlled by a processing unit to regulate air flow and quality, allowing for different operating modes based on environmental data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mechanical ventilation systems are used, then air circulation is provided, but air quality cannot be consistently ensured due to inadequate analysis and control
Solution Approach 1:
The patent implements a feedback control system where sensors continuously monitor air quality parameters (CO2, oxygen, particulates, VOCs) and the processing unit adjusts ventilation operations based on this real-time data. This closed-loop feedback mechanism ensures consistent air quality by dynamically responding to actual environmental conditions rather than operating on fixed schedules or estimates.
Solution Approach 2:
The ventilation system performs self-diagnosis and self-adjustment through integrated sensors and processing units that automatically monitor air quality and control ventilation operations without external intervention. The system serves itself by detecting air quality degradation and independently adjusting fan speeds, valve positions, or filter operations to maintain acceptable air quality levels.
2Adaptability or versatility
If ventilation systems operate without environmental data analysis, then simple operation is maintained, but adaptability to different conditions is lost
Solution Approach 1:
The processing unit serves multiple functions: it processes data from various sensor types (CO2, oxygen, particulate, VOC sensors), controls different ventilation components (fans, valves, filters), and adjusts operations based on multiple air quality parameters simultaneously. This multi-functional design allows the single processing unit to provide adaptability to different operating conditions without proportionally increasing overall system complexity.
Solution Approach 2:
The processing unit acts as an intermediary between the sensors and the ventilation control mechanisms. It receives raw data from multiple sensor sources, processes and integrates this information, and then translates it into appropriate control signals for fans, valves, and filters. This intermediary role allows the system to adapt to different conditions while maintaining a manageable level of complexity through centralized intelligence.
3Reliability
If continuous air quality monitoring is implemented, then high-quality air supply is ensured, but energy consumption increases
Solution Approach 1:
The system implements periodic sampling of air quality parameters through sensors that continuously monitor the environment. Rather than operating ventilation at constant high levels, the system periodically assesses air quality and adjusts ventilation intensity accordingly, reducing energy consumption during periods when air quality is already acceptable while maintaining high standards when degradation is detected.
Solution Approach 2:
The processing unit dynamically changes operational parameters (fan speed, valve opening degree, filter activation) based on real-time air quality parameter readings. When air quality is good, the system reduces ventilation intensity and energy consumption; when air quality deteriorates (high CO2, particulates, or VOCs), the system increases ventilation activity to restore acceptable conditions, thus optimizing energy use while maintaining air quality reliability.
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 system ensures high-quality air supply by continuously monitoring and adjusting ventilation settings, improving air quality and energy efficiency while maintaining optimal conditions within internal environments.
Implementation Method 1
sensor means or first sensor means (5) for the air suctioned from the at least one second opening (4), which sensor or examination means (5) are arranged to detect the quality of air or the fluid suctioned from the second opening (4) or the presence as well as the value of compounds
Implementation Method 2
a heat exchanger (18), which is set to allow the passage of air currents in a heat exchange relationship with respect to each other
Implementation Method 3
a fan or the like (7) set to convey air from the second opening (4) to the first opening (3)
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The present invention regards a group for analysis and control of the ventilation of an internal environment or first environment, comprising a containment box or casing (2), sensor or examination means (5) for the suctioned fluid or air, first means (7) for suctioning or thrusting fluid or air along a first path (6) and at least one processing unit (8).