CN102832843A - Bipolar high-voltage pulse generation device and corresponding processing system - Google Patents
Bipolar high-voltage pulse generation device and corresponding processing system Download PDFInfo
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- CN102832843A CN102832843A CN2012103209734A CN201210320973A CN102832843A CN 102832843 A CN102832843 A CN 102832843A CN 2012103209734 A CN2012103209734 A CN 2012103209734A CN 201210320973 A CN201210320973 A CN 201210320973A CN 102832843 A CN102832843 A CN 102832843A
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Abstract
The invention relates to a bipolar high-voltage pulse generation device and the corresponding processing system, belonging to the technical field of high-voltage pulse power. The pulse generation device comprises a high-voltage direct-current power supply, two capacitance discharging units and two sparkle gap switches, wherein the two capacitance discharging units are connected on the two ends of the high-voltage direct-current power supply after connected in series; the two sparkle gap switches are connected with the two capacitance discharging units in parallel after connected in series; the node between the two capacitance discharging units is used for connecting one end of the processing chamber device; the node between the two sparkle gap switches is used for connecting the other end of the processing chamber device; the two sparkle gap switches are provided with driving devices; under the actions of the driving devices, the two sparkle gap switches can turn on and off and close alternately. According to the invention, alternate on and off of the two mechanical rotary sparkle gap switches are utilized to enable the device to output the bipolar high-voltage pulse. The bipolar high-voltage pulse generation device provided by the invention has simple structure and cheap price, and the device can adjust the high-voltage pulse frequency of the output.
Description
Technical field
The present invention relates to a kind of bipolarity high voltage pulse generation device and corresponding treatment system, belong to high-voltage pulse power technology field.
Background technology
Pulse Power Techniques are the new technologies of rising gradually in the last few years, it be with very big energy storage in energy-storage travelling wave tube, energy is discharged in the load fast in the extremely short time through discharge switch.Because its unique function makes and should technology obtain using widely in a lot of fields, for example: waste water, waste treatment, health care, sterilizing etc.
High-voltage pulse power source is the visual plant in the Pulse Power Techniques, and not only the rising edge of requirement output pulse is steep, repetition rate is high, and requires output voltage height, long working life.High-voltage pulse power source is mainly by high direct voltage, compositions such as energy-storage travelling wave tube and high-speed switch.According to the difference of its output waveform, roughly can be divided into and be various ways such as unipolarity ripple, bipolarity ripple, square wave, Exponential Decay Wave, the wave of oscillation.Show that according to domestic and international research the bipolarity waveform is better than unipolarity waveform effect in practical application.But present existing bipolarity high-voltage pulse device is complex structure often, and element is more, costs an arm and a leg.In existing high voltage pulse generation device,, usually adopt pulse transformer in order to obtain high voltage.But pulse transformer is made up of the iron core of special material, and is not only strict to the shape need of iron core, and coil is had very high requirement.When work,, understand the very big electric current of instantaneous generation, and then can on Transformer Winding, produce very big mechanical force in the high voltage pulse generation device owing to high-tension effect.Should satisfy high voltage like this, big electric current, the transformer that need produce the steep-sided pulse forward position simultaneously again be difficult to accomplish, even if can accomplish, and in price also can be very expensive.
Summary of the invention
The purpose of this invention is to provide a kind of bipolarity high voltage pulse generation device and corresponding treatment system, with solve present bipolarity high voltage pulse generation device complex structure, element is more and expensive problem.
The present invention provides a kind of bipolarity high voltage pulse generation device for solving the problems of the technologies described above; This pulse generating unit comprises high-voltage DC power supply, two capacitor discharge unit and two spark gap switches; Be attempted by the high-voltage DC power supply two ends after two electric capacity generator unit series connection; Two spark gap switch series connection backs are parallelly connected with two capacitor discharge unit; Node between two capacitor discharge unit is used for an end of connection processing chamber device; Node between two spark gap switches is used for the other end of connection processing chamber device, and two spark gap switches are provided with drive unit, and two spark gap switches can alternation switch and closure under the effect of this drive unit.
Also be parallel with large bulk capacitance between described high-voltage DC power supply and two capacitor discharge unit, be used for stable high voltage DC power supply voltage and carry out quick charge for described two capacitor discharge unit.
Described high-voltage DC power supply comprises single phase alternating current power supply, voltage regulator, transformer and bridge rectifier, and single phase alternating current power supply links to each other with bridge rectifier through behind voltage regulator and the transformer.
Also be serially connected with current-limiting protection resistance between described bridge rectifier and the large bulk capacitance.
Described capacitor discharge unit is single electric capacity or capacitance group.
The present invention also provides a kind of bipolarity high-voltage pulse treatment system for solving the problems of the technologies described above; This treatment system comprises bipolarity high voltage pulse generation device and process chamber device; Described bipolarity high voltage pulse generation device comprises high-voltage DC power supply, two capacitor discharge unit and two spark gap switches; Be attempted by the high-voltage DC power supply two ends after two electric capacity generator unit series connection; Two spark gap switches series connection back is parallelly connected with two capacitor discharge unit, and an end of process chamber device links to each other with node between two capacitor discharge unit, and the other end links to each other with node between two spark gap switches; Two spark gap switches are provided with drive unit, and two spark gap switches can alternation switch and closure under the effect of this drive unit.
Also be parallel with large bulk capacitance between described high-voltage DC power supply and two capacitor discharge unit, be used for stable high voltage DC power supply voltage and carry out quick charge for described two capacitor discharge unit.
Described high-voltage DC power supply comprises single phase alternating current power supply, voltage regulator, transformer and bridge rectifier, and single phase alternating current power supply links to each other with bridge rectifier through behind voltage regulator and the transformer.
Also be serially connected with current-limiting protection resistance between described bridge rectifier and the large bulk capacitance.
Described capacitor discharge unit is single electric capacity or capacitance group.
The invention has the beneficial effects as follows: alternate conduction and the shutoff of the present invention through utilizing two mechanical rotation spark gap switches; Make device to process chamber device output bipolarity high-voltage pulse; Simple in structure, the low price of bipolarity high voltage pulse generation device of the present invention, and the high-voltage pulse frequency that can regulate output.
Description of drawings
Fig. 1 is the circuit diagram among the bipolarity high voltage pulse generation device embodiment of the present invention;
Fig. 2 is the output voltage waveform among the bipolarity high voltage pulse generation device embodiment of the present invention.
Embodiment
Be further described below in conjunction with the accompanying drawing specific embodiments of the invention.
Bipolarity high voltage pulse generation device embodiment of the present invention
As shown in Figure 1; Pulse generating unit of the present invention comprises high-voltage DC power supply, two capacitor discharge unit C2 and C3 and two mechanical rotation spark gap switch S1 and S2; Be attempted by the high-voltage DC power supply two ends after two electric capacity generator unit C2 and the C3 series connection; Two mechanical rotation spark gap switch S1 and S2 series connection back are parallelly connected with two capacitor discharge unit C2 and C3; Node between two capacitor discharge unit C2 and the C3 is used for an end of connection processing chamber device, and the node between two mechanical rotation spark gap switch S1 and the S2 is used for the other end of connection processing chamber device, and two spark gap switches are provided with drive unit; Two spark gap switches can alternation switch and closure under the effect of this drive unit; This drive unit can be the reciprocating motion drive motors, makes two mechanical rotation spark gap switch S1 and S2 alternation switch and closure, also is parallel with large bulk capacitance C1 between high-voltage DC power supply and two capacitor discharge unit; C1 is used for stable high voltage DC power supply voltage and carries out quick charge for described two capacitor discharge unit; High-voltage DC power supply comprises single phase poaer supply V, voltage regulator T1, transformer T2, bridge rectifier and current-limiting resistance R, and bridge rectifier is made up of D1, D2, D3 and four high voltage silicon stacks of D4, and single phase alternating current power supply is after voltage regulator T1 and transformer T2 boost; AC power displacement high direct voltage after utilizing single phase bridge type rectifier circu to boost is again through charging for after the current-limiting protection resistance R C1, C2 and C3.
Its operation principle is following: single phase alternating current power supply is after voltage regulator T1 and transformer T2 boost; AC power displacement high direct voltage after utilizing single phase bridge type rectifier circu to boost; Again through charging for after the current-limiting protection resistance R high-voltage pulse capacitor C1, C2 and C3; Utilize air gap discharge to make the principle of switch conduction, conducting and shutoff that two mechanical rotation spark gap switch S1 and S2 carry out replacing under motor-driven.When switch S 1 conducting, 2 pairs of process chamber devices of high-voltage pulse capacitor C discharge, and process chamber bears the high-voltage pulse of negative polarity; C1 and DC power supply are given capacitor C3 quick charge together; When switch S 2 conductings, 3 pairs of process chambers of high-voltage pulse capacitor C discharge, and make process chamber bear the high-voltage pulse of positive polarity; Output voltage waveform is as shown in Figure 2; C1 and DC power supply carry out quick charge for together capacitor C2, when needs change the frequency of high-voltage pulse power source, only need just can realize through regulating this rotating speed that connects a mechanical rotation spark gap switch S1 and S2 drive unit.
The embodiment of bipolarity high-voltage pulse treatment system of the present invention
As shown in Figure 1; Bipolarity high-voltage pulse treatment system of the present invention comprises pulse generating unit and process chamber device; Pulse generating unit comprises high-voltage DC power supply, two capacitor discharge unit C1 and C2 and two mechanical rotation spark gap switch S1 and S2, is attempted by the high-voltage DC power supply two ends after two electric capacity generator unit C1 and the C2 series connection, and two mechanical rotation spark gap switch S1 are afterwards parallelly connected with two capacitor discharge unit C1 and C2 with the S2 series connection; The process chamber device is used to deposit some article pending or sterilization; For example: waste water, defective work, medical and hygiene article etc., an end of process chamber device links to each other with node between two capacitor discharge unit C1 and the C2; The other end of process chamber device links to each other with node between two mechanical rotation spark gap switch S1 and the S2; Ground connection after linking to each other prevents that two spark gap switches are provided with drive unit because high-voltage DC power supply is short-circuited and causes the process chamber device charged; Two spark gap switches can alternation switch and closure under the effect of this drive unit; This drive unit can be the reciprocating motion drive motors, makes two mechanical rotation spark gap switch S1 and S2 alternation switch and closure, also is parallel with large bulk capacitance C1 between high-voltage DC power supply and two capacitor discharge unit; C1 is used for stable high voltage DC power supply voltage and carries out quick charge for described two capacitor discharge unit; High-voltage DC power supply comprises single phase poaer supply V, voltage regulator T1, transformer T2, bridge rectifier and current-limiting resistance R, and bridge rectifier is made up of D1, D2, D3 and four high voltage silicon stacks of D4, and single phase alternating current power supply is after voltage regulator T1 and transformer T2 boost; AC power displacement high direct voltage after utilizing single phase bridge type rectifier circu to boost is again through charging for after the current-limiting protection resistance R C1, C2 and C3.
Its operation principle is following: utilize air gap discharge to make the principle of switch conduction, conducting and shutoff that two mechanical rotation spark gap switch S1 and S2 carry out replacing under motor-driven are when switch S 1 conducting; 2 pairs of process chamber devices of high-voltage pulse capacitor C discharge, and bear the high-voltage pulse of negative polarity in the process chamber device, and C1 and DC power supply are given capacitor C3 quick charge together; When switch S 2 conductings; 3 pairs of process chambers of high-voltage pulse capacitor C discharge, and make the process chamber device bear the high-voltage pulse of positive polarity, and C1 and DC power supply carry out quick charge for together capacitor C2; Output voltage waveform is as shown in Figure 2; Pending article such as sewage are under the impact of positive-negative polarity ALT pulse in the process chamber device, and the dirt molecule in the sewage will break away from hydrone, reaches the purpose of sewage disposal.When needs change the frequency of high-voltage pulse power source, only need just can realize through regulating this rotating speed that connects a mechanical rotation spark gap switch S1 and S2 drive motors.
Claims (10)
1. bipolarity high voltage pulse generation device; It is characterized in that: this pulse generating unit comprises high-voltage DC power supply, two capacitor discharge unit and two spark gap switches; Be attempted by the high-voltage DC power supply two ends after two electric capacity generator unit series connection; Two spark gap switches series connection back is parallelly connected with two capacitor discharge unit, and the node between two capacitor discharge unit is used for an end of connection processing chamber device, and the node between two spark gap switches is used for the other end of connection processing chamber device; Two spark gap switches are provided with drive unit, and two spark gap switches can alternation switch and closure under the effect of this drive unit.
2. bipolarity high voltage pulse generation device according to claim 1; It is characterized in that: also be parallel with large bulk capacitance between described high-voltage DC power supply and two capacitor discharge unit, be used for stable high voltage DC power supply voltage and carry out quick charge for described two capacitor discharge unit.
3. want 2 described bipolarity high voltage pulse generation devices according to right; It is characterized in that: described high-voltage DC power supply comprises single phase alternating current power supply, voltage regulator, transformer and bridge rectifier, and single phase alternating current power supply links to each other with bridge rectifier through behind voltage regulator and the transformer.
4. bipolarity high voltage pulse generation device according to claim 2 is characterized in that: also be serially connected with current-limiting protection resistance between described bridge rectifier and the large bulk capacitance.
5. bipolarity high voltage pulse generation device according to claim 2 is characterized in that: described capacitor discharge unit is single electric capacity or capacitance group.
6. bipolarity high-voltage pulse treatment system; It is characterized in that: this treatment system comprises bipolarity high voltage pulse generation device and process chamber device; Described bipolarity high voltage pulse generation device comprises high-voltage DC power supply, two capacitor discharge unit and two spark gap switches; Be attempted by the high-voltage DC power supply two ends after two electric capacity generator unit series connection; Two spark gap switches series connection back is parallelly connected with two capacitor discharge unit, and an end of process chamber device links to each other with node between two capacitor discharge unit, and the other end links to each other with node between two spark gap switches; Two spark gap switches are provided with drive unit, and two spark gap switches can alternation switch and closure under the effect of this drive unit.
7. bipolarity high-voltage pulse treatment system according to claim 6; It is characterized in that: also be parallel with large bulk capacitance between described high-voltage DC power supply and two capacitor discharge unit, be used for stable high voltage DC power supply voltage and carry out quick charge for described two capacitor discharge unit.
8. bipolarity high-voltage pulse treatment system according to claim 7; It is characterized in that: described high-voltage DC power supply comprises single phase alternating current power supply, voltage regulator, transformer and bridge rectifier, and single phase alternating current power supply links to each other with bridge rectifier through behind voltage regulator and the transformer.
9. bipolarity high-voltage pulse treatment system according to claim 7 is characterized in that: also be serially connected with current-limiting protection resistance between described bridge rectifier and the large bulk capacitance.
10. bipolarity high-voltage pulse treatment system according to claim 7 is characterized in that: described capacitor discharge unit is single electric capacity or capacitance group.
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| CN104104233A (en) * | 2014-04-29 | 2014-10-15 | 浙江大学 | Small high voltage power supply module capable of rapidly discharging electricity and continuously regulating voltage |
| CN104459236A (en) * | 2014-12-12 | 2015-03-25 | 国家电网公司 | Bipolar linkage impulse current generator |
| CN106721880A (en) * | 2016-11-16 | 2017-05-31 | 夏启才 | The sterilizing methods and system of a kind of use high-pressure pulse electric treatment agricultural product |
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| CN1354018A (en) * | 2001-12-12 | 2002-06-19 | 华南理工大学 | High-voltage pulse electric field sterilization method and its equipment |
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| CN104104233A (en) * | 2014-04-29 | 2014-10-15 | 浙江大学 | Small high voltage power supply module capable of rapidly discharging electricity and continuously regulating voltage |
| CN104104233B (en) * | 2014-04-29 | 2017-04-19 | 浙江大学 | Small high voltage power supply module capable of rapidly discharging electricity and continuously regulating voltage |
| CN104459236A (en) * | 2014-12-12 | 2015-03-25 | 国家电网公司 | Bipolar linkage impulse current generator |
| CN104459236B (en) * | 2014-12-12 | 2017-11-07 | 国家电网公司 | A kind of bipolarity linkage impulse current generator |
| CN106721880A (en) * | 2016-11-16 | 2017-05-31 | 夏启才 | The sterilizing methods and system of a kind of use high-pressure pulse electric treatment agricultural product |
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