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Discharging device

A technology of electrodes and circuits, applied in the field of static elimination devices, can solve problems such as inability to change automatically

Inactive Publication Date: 2010-10-27
MIDORI ANZEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is impossible to automatically respond to such fluctuations in the discharge atmosphere by manually adjusting the ion balance in the above-mentioned related art method.

Method used

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no. 2 approach

[0078] Figure 5 A circuit diagram and the like of the high voltage generating circuit 10 according to the second embodiment of the present invention are shown. Figure 5 It shows that the first and second capacitors CA and CB are connected in series between the high voltage side common terminal HC of the high voltage generating circuit 10 and the ground, and the abnormality of the high voltage generating circuit 10 is detected by monitoring the terminal voltage of the second capacitor CB. The lower end of the second capacitor CB is grounded, and a voltage monitoring circuit 40 as a high voltage abnormality detection circuit, for example, is connected in parallel to the second capacitor CB in order to monitor the terminal voltage of the second capacitor CB. The configuration other than that is the same as that of the first embodiment, so the same reference numerals are given to the same configurations, and descriptions thereof will be omitted here.

[0079] Generally, since t...

no. 3 approach

[0084] Image 6 A circuit diagram showing the high voltage generating circuit 10 of the third embodiment. Image 6 A case where a capacitor Cb is connected in series between the high voltage side common terminal HC of the high voltage generating circuit 10 and the counter electrode 5 is shown. By inserting the capacitor Cb in series with the substantial capacitor Ca formed between the discharge needles 21, 22 and the counter electrode 5, the common voltage between the discharge needles 21, 22 and the high-voltage side can be connected as desired through the two capacitors Ca, Cb. The voltage corresponding to the net (average) charge is divided between the terminals HC. The other configurations are the same as those of the first embodiment, so the same configurations are assigned the same reference numerals and descriptions thereof are omitted here.

[0085] That is, when the generation of positive ions becomes the advantage of +Q under the disturbing atmosphere, between the ...

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Abstract

A discharging device is provided with a discharge electrode having polarity corresponding to the DC high-voltage applied to itself, 2n spray points which are divided into two groups according to a n number for generating positive or negative ions, wherein n is a natural number; a high-voltage generating circuit for causing the polarity to reversely apply the DC high-voltage with mutual reverse polarity to each group of the spray points in a certain period; and opposite electrodes for shielding a front space of the discharge electrode discharging the ions of the discharge electrode; two high-voltage output terminals of the high-voltage generating circuit are respectively connected with each group of spray points; high-voltage side common terminals of the two high-voltage output terminals are connected with the opposite electrodes at a non-grounded state.

Description

technical field [0001] The present invention relates to a static eliminator, and more particularly to a static eliminator for irradiating a charged object with positive and negative ions so as to be electrically neutral. Background technique [0002] In the production line of semiconductors and mobile phones, etc., static eliminators are installed near work tables and conveyor belts to prevent electrostatic failures caused by electrified parts. This kind of static elimination device makes the object electrically neutral by irradiating positive and negative balanced air ions on the charged object, but when the discharge needle is polluted or corroded, there will be excess positive ions or negative ions. The problem of electrification of electric objects. [0003] In this regard, as a related art, there is known an ion generating device in which a parallel circuit consisting of a variable resistor and a diode is provided between a counter electrode provided adjacent to a disc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05F3/04H01T23/00
Inventor 津森友则杉田直记
Owner MIDORI ANZEN