Networked Range Hood Filtration for Real-Time Indoor Air Purification
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Solution Overview
Problem
Indoor air quality is challenging to control due to poor air circulation and pollution sources such as bacteria, fungi, and viruses, necessitating a solution for immediate purification and monitoring of indoor air quality to reduce harmful gases and improve breathing safety.
Innovation Solution
A range hood integrated with an air guiding fan and filtering component, connected to an indoor air pollution complete purification and prevention system, which uses a networking controller to detect and adjust air pollution levels in real-time, guiding polluted air through a filtering component for quick purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a range hood with high extraction rate is used to improve air purification speed, then air pollution can be removed faster, but energy consumption increases
Solution Approach 1:
The range hood employs a variable extraction rate mechanism that dynamically adjusts the air purification speed based on real-time air quality detection. When air pollution levels are high, the extraction rate increases to purify air faster; when pollution levels are low, the extraction rate decreases to save energy. This dynamic adjustment resolves the contradiction between purification speed and energy consumption.
Solution Approach 2:
The system incorporates air quality sensors that continuously monitor indoor air pollution levels and provide feedback to the control system. Based on this feedback, the range hood automatically adjusts its extraction rate, creating a closed-loop control system that optimizes both purification effectiveness and energy efficiency.
2Reliability
If the range hood operates continuously at high extraction rate to maintain air quality, then air pollution is removed effectively, but loss of time for other activities increases and energy is wasted
Solution Approach 1:
Instead of continuous operation, the range hood performs periodic air quality assessments and activates high extraction rate only when pollution thresholds are exceeded. This periodic monitoring and selective activation maintains air quality reliability while minimizing operation time and energy waste.
Solution Approach 2:
The range hood system autonomously monitors air quality and self-regulates its operation based on detected pollution levels, eliminating the need for continuous manual operation while maintaining reliable air quality. The system serves itself by making real-time decisions about when purification is needed.
3Measurement precision
If multiple sensing components are added to detect various air pollutants, then detection precision improves, but device complexity increases
Solution Approach 1:
The range hood integrates multiple sensing functions into a unified air quality monitoring system that can detect various types of air pollutants (particulate matter, gases, volatile organic compounds) using a coordinated array of sensors. This multi-functional approach achieves comprehensive detection precision while managing system complexity through integrated design.
Solution Approach 2:
The patent combines multiple detection capabilities into a single air quality monitoring module that processes various pollutant types simultaneously. By merging sensing, processing, and control functions into an integrated system, the patent achieves high detection precision without proportionally increasing overall device complexity.
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 effectively detects and purifies indoor air pollution instantly, ensuring safe breathing conditions by adjusting the air extraction rate and filtering air pollution within 5 minutes, maintaining cleanliness and safety standards.
Implementation Method 1
The air guiding fan is disposed in the airflow path, and operated to guide an air convection with an extraction rate of over 22 m³/hr
Implementation Method 2
guide air pollution to pass through filtering component for filtering the air pollution
Data Source
Figure 1A
Figure 1B
Figure 1C
AI summary
A range hood (C6) is disclosed and includes a main body (10), an air guiding fan (1), a filtering component (2), and a networking controller (F). The main body (10) is configured to form an airflow path (L). The air guiding fan (1) is disposed in the airflow path (L) and is operated to guide an air convection with an extraction rate over 22 m3/min. The filtering component (2) is disposed in the airflow path (L) and filters an air pollution in the air convection guided by the air guiding fan (1). The networking controller (F) receives a control command through wireless communication to perform an activation operation of the air guiding fan (1).