Fiberglass Dielectric Ionization Structure for Low-Restriction HVAC Airflow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional HVAC systems face challenges in effectively removing indoor air particulates and chemical pollutants due to limitations in filter technology, leading to poor air quality and increased energy inefficiency, while existing bipolar ionization devices suffer from mechanical failures and airflow restrictions.
Innovation Solution
A bipolar ionization device utilizing a flat fiberglass-reinforced epoxy laminate board with a copper-clad cathode and a metallic mesh anode, or a fiberglass tube design with a metal cathode and external anode, to enhance ion scavenging and reduce mechanical failures, while maintaining low manufacturing costs and improved airflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional filters are used to trap particulates, then large particles can be removed, but small particles and chemical compounds cannot be effectively removed
Solution Approach 1:
The patent applies ionization to change the electrical charge state of air molecules and particulates. By introducing ions that attach to particles and chemical compounds, the system transforms neutral contaminants into charged entities that can be collected on oppositely charged electrodes, fundamentally changing the removal mechanism from physical filtration to electrostatic precipitation
Solution Approach 2:
The patent replaces the mechanical filtration system with an electrostatic ionization system. Instead of relying on physical barriers to trap particles, the system uses electrical fields and ion attachment to remove contaminants, substituting mechanical action with electromagnetic forces
2Object-affected harmful factors
If HEPA filters are used to improve particulate removal, then filtration effectiveness increases, but the filters become clogged quickly requiring frequent changing
Solution Approach 1:
The patent replaces the mechanical filter system with an electrostatic ionization system that does not rely on physical filtration media. By using ion attachment and electrostatic collection, the system eliminates the filter medium that becomes clogged, thereby removing the maintenance burden while maintaining high removal effectiveness
3Object-affected harmful factors
If greater air exchange rates are implemented to improve air quality, then contaminant removal increases, but building energy efficiency decreases
Solution Approach 1:
The patent replaces mechanical air exchange (ventilation) with electrostatic ionization for contaminant removal. By ionizing contaminants in the existing air and collecting them on electrodes, the system achieves air purification without requiring increased air exchange rates, thereby maintaining building energy efficiency while improving air quality
4Object-affected harmful factors
If glass tubes are used as dielectrics in bipolar ionization devices, then ionization can occur, but mechanical failures occur frequently during shipping and handling
Solution Approach 1:
The patent uses composite materials for the dielectric structure, combining materials that provide both the necessary electrical insulation properties for ionization and the mechanical strength to withstand shipping and handling. This replaces the fragile glass tube with a more robust composite construction that maintains ionization functionality while improving durability
5Object-affected harmful factors
If conventional ionization devices are used, then ionization occurs, but airflow is restricted reducing system efficiency
Solution Approach 1:
The patent segments the ionization process into distinct functional zones: ion generation regions and collection regions separated by dielectric barriers. This segmentation allows airflow to pass through the device without being blocked by continuous electrode structures, maintaining airflow efficiency while enabling effective ionization and collection of contaminants
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 solution provides a durable, efficient, and cost-effective means to improve indoor air quality by increasing ion output and reducing ozone production, enhancing HVAC system efficiency and air filtration without the need for increased air exchange rates.
Implementation Method 1
Ionization occurs where an atom or group of atoms loses or gains one or more electrons. An electrically neutral atom or molecule will have an equal number of electrons and protons. If an electron bound to an atom or molecule absorbs enough energy from an external source, it may exceed the ionization potential and allow the electron to escape its atomic orbital.
Implementation Method 2
An alternative method to filtering involves the use of ionization generated from non-thermal plasma technology to remove contaminants from air.
Implementation Method 3
Ionization is known to break down organic chemicals into the basic molecular constituents of water, carbon dioxide, and related metal oxides.
Implementation Method 4
Ionization also contributes to the reduction of particulate matter, by imparting a charge to those particles: the charge causes the smaller particles to agglomerate, or clump together, forming larger particles that then drop out of the air or become caught in a filter system.
Data Source
AI summary
A bipolar ionization device in which fiberglass is used as the dielectric. In one embodiment, a fiberglass board is used, with the anode on one side of the board and the cathode on the other side of the board. A number of flat boards can be stacked, with spacing between them to allow air flow to scavenge ions, with stanchions providing both mounting and electrical connections to the ionization devices. In another embodiment, a fiberglass tube is used, with the cathode inside the tube and the anode outside the tube.