Electric Dust Collection Ground Switching for Surplus Ion Removal
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Solution Overview
Problem
Existing electrification apparatuses for electric dust collection face issues such as continuous electrification of non-conductors, deterioration of discharge electrode performance, and increased material costs due to the need for separate ground electrodes.
Innovation Solution
The proposed electrification apparatus includes a conductive microfiber and conductive plates with a ground unit disposed between them. The ground unit is insulated during normal operation and grounded during a discharge mode to prevent non-conductor electrification and enhance ion removal efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a ground electrode is added to prevent non-conductor electrification, then electrification performance is improved, but device complexity and material cost increase
Solution Approach 1:
The patent combines the ground electrode function with the existing frame structure by making the frame itself conductive and grounding it. This integration eliminates the need for a separate ground electrode component, thereby maintaining electrification performance while reducing device complexity and material cost.
Solution Approach 2:
The frame is designed to serve multiple functions: it provides structural support and simultaneously acts as the ground electrode for preventing non-conductor electrification. This multi-functionality approach eliminates redundant components and simplifies the overall device structure.
2Reliability
If a ground electrode is added to prevent non-conductor electrification, then electrification performance is improved, but manufacturing cost increases
Solution Approach 1:
The patent merges the ground electrode function into the frame structure, eliminating the need for separate materials and reducing manufacturing cost. The frame is simply made conductive and grounded, which is a simpler and cheaper manufacturing process than adding a separate ground electrode component.
3Reliability
If a separate ground electrode is added, then non-conductor electrification is prevented, but installation flexibility decreases
Solution Approach 1:
The patent integrates the ground electrode function into the frame, which is already a necessary structural component. This integration eliminates additional installation steps and maintains installation flexibility, as the frame is installed anyway and simply needs to be grounded.
4Productivity
If high voltage is continuously applied to generate ions, then dust collection performance is improved, but surplus ions accumulate and reduce efficiency
Solution Approach 1:
The patent implements periodic discharge cycles where the conductive microfiber is alternately charged and discharged. During the discharge phase, accumulated surplus ions are removed, resetting the electric field strength. This periodic action maintains high dust collection efficiency by preventing ion accumulation that would otherwise reduce the electric field's effectiveness.
Solution Approach 2:
The patent discards surplus ions through periodic discharge to the ground electrode, removing the accumulated charge that reduces efficiency. This allows the system to recover its full electrification capability for the next dust collection cycle.
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
This solution maintains electrification performance, increases efficiency by effectively removing surplus ions, and simplifies the design and installation process by eliminating the need for separate ground electrodes.
Implementation Method 1
conductive microfiber which installed on the frame and generate ions in air by applying a high voltage
Implementation Method 2
conductive plates which are installed so as to surround the conductive microfiber and connected to the ground electrode to generate a potential difference with the conductive microfiber
Implementation Method 3
ground unit which is disposed between the conductive microfiber and the conductive plate... effectively removing surplus ions
Data Source
AI summary
An electrification apparatus perform a method for electric dust collection. The electrification apparatus includes a frame, a conductive microfiber, a conductive plate, and a ground connector disposed between the conductive microfiber and the conductive plate. The ground connector is configured to be insulated based on a high voltage being applied to the conductive microfiber and to be connected to a ground electrode based on the high voltage being blocked to the conductive microfiber.