SU1334404A1 - Static electricity charge neutralizer - Google Patents

Abstract

The invention relates to devices for combating harmful emissions of static electricity (ESE) and can be used in textile and other industrial sectors in the development of devices for processing dielectric materials. The purpose of the invention. —an increase in the efficiency of neutralization of various charges on the material being processed — is achieved by equalizing the discharge currents in the positive and negative half-periods. The device contains a transformer 1, a dielectric case 2, corona-forming electrodes 3 and 4, and a non-corona electrode 5 | mounted with studs 6 in housing case 7, diodes 8-11 and neon lamps 12 and 13. In order to achieve this goal, the secondary winding of the transformer has two high-voltage terminals and a midpoint which divides the number of windings in an unequal ratio. more effective neutralization of the ZSE both positive and negative polarity than the known similar devices .. 1 C.p. f-ly, 1 ill. (L L Y W Y IJPKl with SAE 4 4 O 4;) -w: + + + + + ± -t- + 7 7 5TsU99UU XXXL UL.

Description

one

The invention relates to a technique for dealing with the harmful effects of static electricity and can be used in the textile industry and in other industries in the development of ycTpoftcTBi for the treatment of dielectric materials.

The aim of the invention is to increase the efficiency of neutralizing different polarity charges on the material being processed by equalizing the discharge currents in the positive and negative half-periods.

The drawing shows a schematic diagram of the device.

The device contains a high-voltage transformer 1, a dielectric case 2, corona electrodes 3 and 4, a grounded (connected to a common bus) non-corona electrode 5, mounted with studs 6 in the housing 7, diodes (gates 8-11 and neon lamps 12, 13.

The corona electrodes 3 and 4 can be made in the form of needles, a blade or a thin string stretched parallel to the wall on a small plant, the grounded electrode 5 is installed in the middle part of the body and has a large radius of curvature (rectangular rod, plate or tube ). Using different nests. 7, it is possible to vary the distance between the electrodes 3.5 and the electrodes 4.5. The electrodes 3 and 4 are connected to the high-voltage terminals of the transformer 1 by means of the valves 8 and 9 in such a way that the electrode 3 is energized only in the positive half-period, and on the electrode 4 - only in the negative one. The corona electrodes can be connected to the high-voltage ends of the transformer and via cascade multipliers. Then a constant positive voltage is applied to the electrode 3 and a negative voltage to the electrode 4. The current of the positive corona flows to earth through diode 10 and not located in this interelectrode gap, they neutralize the region of the material that is positively charged.

The proposed device is a posdeon lamp 12, and the current of the negative corona is through a diode 11 and a neon lamp 13.

With the same voltage, with a positive polarity, g more neutralizing less effective than with a negative one. Therefore, the charges of static electricity to equalize the magnitudes of the currents on both positive and negative positive and negative coronal polarity, than the known devices on the electrodes 3 are fed.

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This is more than 3 times, for example, due to the fact that the number of turns between points 14, 15 is three times more than between points 16,15. For a more accurate setting of equality of currents (balance), electrode 5 is moved between electrodes 3 and 4, controlling the total current.

10 positive and negative ions in the circuit of the electrode 5. The current must be zero.

When the balance of the lamp currents 12,13 not hot t. With a higher current, for example

15 positive ions will illuminate the lamp 12, and at a higher current of negative ions the lamp 13 will light up. Instead of neon lights, you can use indicators on liquid crystals.

The current imbalance indicator will also signal contamination of the corona electrodes, since this will decrease the corona current.

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The neutralizer works as follows.

A high voltage from transformer 1 is applied to the discharger. In this case, a positive corona discharge occurs in the zone between the electrodes 3 and 5, and a negative charge in the zone between the electrodes 4 and 5. When passing electrified material under the discharge, the charged section first enters the zone of action of the electric field formed between the high-voltage electrodes 3 and the delayed electrode 5. The ions of positive polarity, formed in the gap between the electrodes 3-5, neutralize a portion of the material electrically negative celibate

by ions. Further, the material enters the zone of action of the electric field formed between high-voltage electrodes 4 and electrode 5. Negative polarity ions,

Those that occur in this interelectrode gap neutralize the region of the material that is positively charged.

The proposed device provides more effective neutralization of static electricity charges of both positive and negative polarity than known properties.

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Claims (2)

1. A static electricity charge neutralizer containing a power supply unit with a high-voltage transformer, the secondary winding of which is made with an additional output connected to the common bus and located between its end leads, at least one case with corona-carrying electrodes located in it, one group which are connected to one of the end leads of the transformer secondary winding, and the second group - to its second end lead, and a non-corona electrode, connected to an additional The conclusion is that, in order to increase the effectiveness of neutralizing various polar charges on the material being processed, by equalizing the discharge currents in the positive and negative half-periods. Editor N.Slobod nickname Compiled by, Kim Techred L. Oliynyk Order 3983/58 Circulation 801 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, Projecto st., 4 34404 it is equipped with two diodes connected in series with discharge electrodes, and the number of turns between one of the end leads of the transformer secondary winding and the additional lead exceeds the number of turns between the second end lead and the additional lead, while the anode of one 10 diode is connected to the end lead of the secondary winding with a large the number of turns, the cathode of this diode - to the corresponding group of corona-borne electrodes, the anode of the second diode is connected to the second group of corona electrodes, the cathode of this diode - to ontsevomu terminal of the secondary winding with a smaller number of turns, 20 2. The neutralizer according to claim 1, which is based on the fact that a non-coring electrode is installed between groups of corona electrodes with the possibility of moving from one group to another. Proofreader V. But ha