Static Eliminator Detachable Discharge Module
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Solution Overview
Problem
The existing static eliminators require complex and costly maintenance due to the need to replace enlarged detachable units with high-voltage power supplies, which restricts mounting and maintenance operations, especially when replacing worn discharge electrodes.
Innovation Solution
A static eliminator design featuring a detachable electric discharge module with a holder and discharge electrodes that can be easily swapped without the high-voltage power supply unit, allowing for maintenance in the direction of air flow and reducing maintenance costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of repair
If the detachable unit including high-voltage power supply is replaced to swap worn discharge electrodes, then the discharge electrodes can be replaced, but maintenance cost increases and the unit becomes large
Solution Approach 1:
The invention divides the detachable unit into two separate components: (1) a holder unit that remains attached to the main body and contains the high-voltage power supply, and (2) a discharge electrode module that can be independently removed and replaced. This segmentation allows replacement of only the worn discharge electrodes without replacing the entire assembly including the power supply, thereby reducing maintenance costs and simplifying the replacement process.
2Productivity
If the detachable unit is made large to ensure ionized air flow rate, then air flow is sufficient, but mounting space is restricted and maintenance operation becomes difficult
Solution Approach 1:
By separating the discharge electrode module from the holder containing the power supply, the invention enables the small discharge electrode module to be easily removed and replaced without handling the entire large assembly. This maintains sufficient ionized air flow rate through the holder structure while making maintenance operations simple and accessible.
3Ease of repair
If the detachable unit including power supply is discarded when replacing electrodes, then electrode replacement is simple, but usable power supply is wasted and maintenance cost increases
Solution Approach 1:
The invention creates a modular system where the holder unit with the high-voltage power supply remains permanently attached to the main body, while only the discharge electrode module is designed for removal and replacement. This ensures that when electrodes are replaced, the valuable power supply component is retained and reused, eliminating waste and reducing maintenance costs.
4Ease of repair
If removal direction is perpendicular to air flow, then detachable unit can be removed, but space for drawing unit is required and mounting place is restricted
Solution Approach 1:
Instead of removing the entire detachable unit perpendicular to the air flow direction, the invention enables removal of only the discharge electrode module in the air flow direction (front to back). This inversion of the removal approach eliminates the need for lateral space and allows mounting in locations that would otherwise be inaccessible.
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
Facilitates easy replacement and maintenance of discharge electrodes, reducing maintenance costs and improving operational flexibility by allowing detachment in the direction of ionized air flow, thus simplifying the maintenance process.
Implementation Method 1
a high voltage is applied to a needle-shaped discharge electrode to generate a non-uniform electric field around the discharge electrodes, whereby a corona discharge is caused in the non-uniform electric field and the surrounding air is ionized by the corona discharge
Implementation Method 2
the surrounding air is ionized by the corona discharge
Implementation Method 3
the object repels the same polarity ions and attracts opposite polarity ions thereto. For this reason, when the opposite polarity ions contact with the object, an electric charge level of the object decrease gradually
Data Source
AI summary
A static eliminator capable of replacing a discharge needle and improving maintainability of the eliminator is disclosed. The static eliminator comprises: an air-guiding duct having a tubular portion provided with an outer electrode and a boss portion; and an electric discharge module detachably mounted on the tubular portion, wherein ionized air is supplied to the air-guiding duct by a fan of an air blower. The electric discharge module has a holder fitted in a boss portion and a plurality of discharge electrodes attached to the holder so as to protrude toward the outer electrode in an outer-radial direction. When foreign substances or the like adhere to a tip of the discharge electrode or when the discharge electrode deteriorates, the electric discharge module is detached from the boss portion.