Passively Energized Field Wire for Air Filtration
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Solution Overview
Problem
Existing air filtration systems require a power supply to produce multiple voltages for electrostatic filters and field wires, increasing complexity and potentially unnecessary power consumption.
Innovation Solution
An air filtration system where the field wire is energized by an electrical energy discharge from an ionization array, eliminating the need for a separate voltage from the power supply and simplifying the system by using passive energization through corona discharge.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power supply produces multiple voltages for both the ionization array and field wire, then the system can maintain effective impurity collection, but the power supply complexity and load increase
Solution Approach 1:
The patent extracts the field wire energization function from the main power supply system. Instead of requiring the power supply to generate multiple voltages, the field wire is energized separately through corona discharge from the ionization array, removing the burden of multi-voltage regulation from the power supply while maintaining both ionization and field wire functionality
Solution Approach 2:
The ionization array serves a dual function: it performs ionization of impurities and simultaneously energizes the field wire through corona discharge. This self-service mechanism eliminates the need for external power supply to the field wire, reducing power supply complexity while ensuring the field wire receives adequate voltage for effective operation
2Reliability
If the power supply regulates multiple voltages for electrostatic filter and field wire, then proper electrical charging is achieved, but energy consumption increases
Solution Approach 1:
The field wire energization is achieved through corona discharge from the ionization array, which uses the same electrical energy already being consumed for ionization. This eliminates the need for a separate power supply channel to the field wire, reducing total power consumption while maintaining effective electrical charging of the filtration system
Solution Approach 2:
The patent combines the ionization function and field wire energization function into a single energy source (the ionization array). The corona discharge process simultaneously provides ions for impurity charging and electrical energy to the field wire, merging two previously separate energy requirements into one efficient process
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 configuration reduces the power supply's load and complexity, enhancing filtration efficiency while maintaining effective impurity collection by leveraging the ionization array's electrical energy to polarize media filter fibers.
Implementation Method 1
A field wire is located in the frame downstream from the ionization array and is energized to a second voltage only by an electrical energy discharge from the ionization array
Data Source
AI summary
An air filtration system includes a frame directing an airflow through the air filtration system and a power supply. An ionization array is located in the frame across the airflow and connected to the power supply. The power supply provides a first voltage to the ionization array. A field wire is located in the frame downstream from the ionization array and is energized to a second voltage only by an electrical energy discharge from the ionization array. A method of operating an electrically enhanced air filtration system includes energizing an ionization array, located across an airflow through the air filtration system, to a first voltage via electrical power supplied by a power supply. Electrical energy is discharged from the ionization array into the airflow. A field wire downstream of the ionization array is energized to a second voltage only by the discharge of electrical energy from the ionization array.