Electrostatic filter unit and ventilation device with electrostatic filter unit
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Solution Overview
Problem
Existing electrostatic filters for ventilation devices have complex structures and a large number of parts, making them difficult to assemble and maintain, and require complex insulation and electrode alignment.
Innovation Solution
An electrostatic filter unit with a holding device that serves as both a guide and counter-electrode, made of electrically conductive material, simplifies the design and assembly by integrating the counter-electrode function into the holding device, reducing the number of parts and assembly steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional electrostatic filters use separate holding devices and counter-electrodes, then electrode support and electrical function are achieved, but the number of parts increases and assembly complexity increases
Solution Approach 1:
The patent combines the holding device and counter-electrode into a single integrated component made of electrically conductive material. The holding device includes guide geometry for positioning the separating electrode while simultaneously serving as the counter-electrode, eliminating the need for separate support structures and reducing the total number of parts.
Solution Approach 2:
The holding device is designed to perform multiple functions: it provides mechanical support for the separating electrode through its guide geometry, positions the electrode correctly, and simultaneously acts as the counter-electrode in the electrostatic filtration process. This multi-functional design reduces component count and simplifies assembly.
2Reliability
If traditional electrostatic filters use complex insulation and electrode arrangement structures, then proper electrical isolation and electrode positioning are achieved, but manufacturing and assembly become more difficult
Solution Approach 1:
The patent integrates the insulation function into the housing structure rather than requiring separate insulation components. The housing provides electrical isolation between the conductive holding device/counter-electrode and ground, while the guide geometry in the holding device ensures proper electrode positioning during assembly.
Solution Approach 2:
The guide geometry in the holding device automatically ensures correct positioning of the separating electrode during assembly, eliminating the need for complex alignment procedures or additional positioning components. The structure guides the electrode into place as it is installed.
3Reliability
If traditional electrostatic filters use multiple separate components, then functional requirements are met, but production costs increase
Solution Approach 1:
The patent combines multiple functional components (holding device, guide geometry, and counter-electrode) into a single integrated part that can be manufactured as one piece. This reduces production costs by eliminating the need to manufacture, inventory, and assemble multiple separate components while maintaining all necessary filtration functions.
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 enables reliable operation with a simplified structure, reducing production costs and assembly complexity while maintaining effective air filtration capabilities, including the ability to filter particles down to the fine dust range of 1 μm.
Implementation Method 1
The electrostatic filter unit (1) has an ionization unit (2) and a separating unit (3) with at least one separating electrode (31)
Implementation Method 2
a holding device (30) which serves to hold the at least one separating electrode (31) and which at the same time acts as a counter-electrode
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
The present invention relates to an electrostatic filter unit for a ventilation device (5), comprising an ionization unit (2) and a separation unit (3) with at least one separation electrode (31). The electrostatic filter unit is characterized in that the separation unit (3) has a holding device (30) for holding the at least one separation electrode (31), that the holding device (30) has a guide geometry for the at least one separation electrode (31), and that the holding device (30) is made of electrically conductive material. The invention also relates to a ventilation device (5) comprising at least one such filter unit.