Conductive filter unit, conductive filter module including conductive filter unit, and fine dust removal system including conductive filter module
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Solution Overview
Problem
Conventional air filtration systems, such as HEPA filters and electret filters, face challenges with high pressure loss, reduced air penetration efficiency, and the need for frequent replacement, while conductive filters with metal coatings suffer from non-uniform electric fields and inefficient fine dust removal when used in large air purification systems.
Innovation Solution
A conductive filter unit with a cylindrical design featuring a conductive member and a metal member on its surface, which generates a strong electric field and a large number of ions, enhancing fine dust charging and collection efficiency without the need for a separate particle charging device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If HEPA filter is used to remove fine dust, then fine dust filtration rate is improved, but air penetration efficiency deteriorates and pressure loss increases
Solution Approach 1:
The patent replaces the purely mechanical filtration system (HEPA filter) with an electrostatic field-based system. A conductive filter unit generates an electric field that charges fine dust particles, causing them to be attracted to and collected on the filter surface. This substitution of mechanical filtration with electrostatic attraction reduces resistance to air flow while maintaining high dust removal efficiency.
Solution Approach 2:
The patent changes the operating parameters of the filtration system by introducing electrical parameters (voltage, electric field strength) to enhance dust particle charging. By adjusting the voltage applied to the conductive filter and electrode rod, the system optimizes both dust collection efficiency and air flow characteristics, achieving high filtration rate with reduced pressure loss.
2Reliability
If HEPA filter is used to achieve high fine dust removal rate, then fine dust removal efficiency is improved, but device complexity increases and filter replacement frequency increases
Solution Approach 1:
The conductive filter system allows for easy cleaning and maintenance by simply removing accumulated dust through washing or wiping. This self-maintaining capability eliminates the need for frequent filter replacements, reducing operational complexity and extending the service life of the filtration system while maintaining high dust removal efficiency.
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 achieves a fine dust removal rate of over 90% with reduced pressure loss, comparable to HEPA filters, while minimizing fan power consumption and extending filter lifespan, and allows for easy reuse and installation in various settings.
Implementation Method 1
generates a strong electric field and a large number of ions between a particle charging device and a conductive filter
Implementation Method 2
generates a strong electric field and a large number of ions between a particle charging device and a conductive filter
Implementation Method 3
increase a charge rate of fine dust, thereby realizing high efficiency of fine dust removal
Data Source
AI summary
The present invention relates to: a conductive filter unit provided with an electrode rod including a conductive member protruding from a second electrode cap to the inner space formed by a conductive filter and a metal member arranged on at least part of the surface of the conductive member; a conductive filter module including same; and a fine dust removal system provided with the conductive filter module, wherein the fine dust removal system provided with the conductive filter module generates a strong electric field and a large number of ions between a particle charging device and the conductive filter to increase the charge rate of fine dust, thereby realizing high efficiency of fine dust removal.