CN104953885A - Pulse generator - Google Patents
Pulse generator Download PDFInfo
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- CN104953885A CN104953885A CN201410215683.2A CN201410215683A CN104953885A CN 104953885 A CN104953885 A CN 104953885A CN 201410215683 A CN201410215683 A CN 201410215683A CN 104953885 A CN104953885 A CN 104953885A
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Abstract
Provided in the invention is a pulse generator comprising a low-voltage rectification device, a low-voltage inversion device, a rectifier transformer, and a pulse generating device. To be specific, the low-voltage rectification device is used for carrying out rectification on a power-frequency alternating-current voltage to obtain a direct-current voltage. The low-voltage inversion device is used for carrying out inversion on the direct-current voltage to obtain a high-frequency alternating-current voltage. The rectifier transformer is used for carrying out rectification on the high-frequency alternating-current voltage to obtain a direct-current voltage. The pulse generating device is used for generating a resonance high-voltage pulse voltage according to the direct-current voltage and transmitting the voltage to an electrostatic dust collector. The low-voltage inversion device is provided with a high-frequency switch; and inversion is carried out on the direct-current voltage inputted into the low-voltage inversion device to obtain the high-frequency alternating-current voltage under control of the high-frequency switch. The frequency of the high-frequency switch is higher than the frequency of working state switching of the pulse generator. Therefore, when the pulse generator generates the resonant high-voltage pulse voltage according to the direct-current voltage, the power supply is stopped, thereby reducing the impact on the power supply when the pulse generator works and improving reliability of the pulse generator; and thus the adaptive capacity of the pulse generator to the power supply is high.
Description
Technical field
The present invention relates to electrostatic precipitation field, in particular, relate to a kind of pulse generator.
Background technology
In electrostatic precipitation field, the power supply of electrostatic precipitator is one of key factor affecting its dust removing effects.
Pulse power power supply technique is a kind of important way of powering for electrostatic precipitator, it utilizes electric field flashover to form the principle needing certain hour, on the basis of conventional electron power supply, the pulse voltage of superposition short time, made voltage of electric field return to rapidly under flashover voltage before electric field has time enough formation flashover.This power supply technology had both improve the peak of electrostatic dust remover electric field voltage, effectively can overcome back corona phenomenon again, was the important development direction that electrostatic precipitator is powered.
In the power supply of electrostatic precipitator, pulse generator provides pulse voltage.And in existing pulse generator, controllable silicon is set, the break-make of this SCR control pulse generating unit power supply and pressure regulation between pulse generating unit and its power supply.Because controllable silicon cut-off needs power phase reverse, make the silicon controlled turn-off time longer, therefore, which is adopted to control power supply, easily cause when pulse generator works, pulse generating unit continues as its power supply according to power supply during direct voltage generation resonance high-voltage pulse voltage, makes the impact of this power supply larger, power factor is low, and then causes the reliability of pulse generator low, weak to power supply adaptive capacity.
Summary of the invention
In view of this, the invention provides pulse generator, solve pulse generator in prior art and adopt controllable silicon to cause impacting large problem to the power supply of its pulse generating unit.
For achieving the above object, the invention provides following technical scheme:
A kind of pulse generator, comprising:
Low-voltage rectifying device, for being direct voltage by power frequency ac voltage rectification;
Low pressure inverter, for being high-frequency ac voltage by described direct voltage inversion;
Rectifier transformer, for being direct voltage by described high-frequency ac voltage rectification;
Pulse generating unit, for generating resonance high-voltage pulse voltage according to described direct voltage, and transfers to electrostatic precipitator;
Wherein, described low pressure inverter is provided with HF switch, and the frequency of described HF switch is greater than the pulse frequency of described pulse transmitter generation.
Above-mentioned pulse generator, preferably, described pulse generating unit comprises pulse switch, diode and oscillating circuit, described pulse switch and described diodes in parallel, the negative electrode of described diode is connected with the output of described rectifier transformer, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
When described pulse switch disconnects, described rectifier transformer output dc voltage to described pulse generating unit is the charging of described pulse generating unit;
When described pulse switch is connected, described rectifier transformer stops output dc voltage to described pulse generating unit, and described pulse generating unit provides resonance high-voltage pulse voltage for described electrostatic precipitator.
Above-mentioned pulse generator, preferably, described oscillating circuit comprises: the first inductance and the first electric capacity;
Wherein, described first inductance and described first capacitances in series, one end of described first inductance is connected with described rectifier transformer, and the other end is connected with one end of described first electric capacity; The other end of described first electric capacity is connected with described electrostatic precipitator.
Above-mentioned pulse generator, preferably, described oscillating circuit comprises: the second inductance and the second electric capacity;
Wherein, one end of described second inductance and the described pulse switch three that is connected with the anode of described diode is connected, described second inductance other end ground connection; One end of described second electric capacity is connected with described rectifier transformer, and the other end is connected with described electrostatic precipitator.
Above-mentioned pulse generator, preferably, described oscillating circuit comprises: the 3rd electric capacity, pulse transformer and the 4th electric capacity;
Wherein, one end of described 3rd electric capacity is connected with the negative electrode three of described diode with described pulse switch, and the other end is connected with the Same Name of Ends of described pulse transformer input side; The other end ground connection of the input side of described pulse transformer;
One end of described 4th electric capacity is connected with the Same Name of Ends of the outlet side of described pulse transformer, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Above-mentioned pulse generator, preferably, the output of described pulse generating unit is connected with the cathode line of described electrostatic precipitator.
Above-mentioned pulse generator, preferably, also comprises:
Be arranged at the resonant capacitance between described low pressure inverter and described rectifier transformer, described resonant capacitance and described rectifier transformer leakage inductance produce LC resonance;
Wherein, described low pressure inverter in working order time, low pressure inverter is in resonant type soft-switch state.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of pulse generator, comprising: low-voltage rectifying device, for being direct voltage by power frequency ac voltage rectification; Low pressure inverter, for being high-frequency ac voltage by described direct voltage inversion; Rectifier transformer, for being direct voltage by described high-frequency ac voltage rectification; Pulse generating unit, for generating resonance high-voltage pulse voltage according to described direct voltage, and transfers to electrostatic precipitator; Wherein, described low pressure inverter is provided with HF switch, the direct voltage of input low pressure inverter becomes high-frequency ac voltage in the control subinverse of this HF switch, and the frequency that the frequency of this HF switch switches higher than the operating state of pulse generating unit, therefore can realize stopping as its power supply when pulse generating unit generates resonance high-voltage pulse voltage according to direct voltage, thus the impact to its power supply when reducing pulse generating unit work, this measure improves the reliability of pulse generator and makes pulse generator stronger to power supply adaptive capacity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of pulse generator embodiment 1 provided by the invention;
Fig. 2 is the structural representation of a kind of pulse generator embodiment 2 provided by the invention;
Fig. 3 is a structural representation of a kind of pulse generator embodiment 3 provided by the invention;
Fig. 4 is another structural representation of a kind of pulse generator embodiment 3 provided by the invention;
Fig. 5 is the another structural representation of a kind of pulse generator embodiment 3 provided by the invention;
Fig. 6 is a structural representation again of a kind of pulse generator embodiment 3 provided by the invention;
Fig. 7 is the structural representation of a kind of pulse generator embodiment 4 provided by the invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, show the structural representation of a kind of pulse generator embodiment 1 that the application provides, comprising: low-voltage rectifying device 101, low pressure inverter 102, rectifier transformer 103 and pulse generating unit 104;
Low-voltage rectifying device 101, for being direct voltage by power frequency ac voltage rectification;
Wherein, this low-voltage rectifying device 101 is connected with power supply, and the voltage commutation provided by power supply is direct voltage, and this power supply adopts industrial-frequency alternating current.
Wherein, this AC power can be polytype, as pressed three-phase alternating-current supply, two-phase alternating current source etc.
The concrete various ways such as adopted 50Hz, 380V or 50Hz, 220V, the present embodiment does not limit, and can arrange in actual enforcement according to actual conditions.
Low pressure inverter 102, for being high-frequency ac voltage by described direct voltage inversion;
Wherein, the direct voltage inversion that this low-voltage rectifying device 101 sends is high-frequency ac voltage by low pressure inverter 102.
Wherein, be provided with HF switch in described low pressure inverter 102, the frequency of described HF switch is greater than the pulse frequency of described pulse transmitter 104 generation.
Because the frequency of the HF switch in this low pressure inverter 102 determines the frequency of output and the frequency of high-frequency ac voltage, and the frequency of this HF switch is greater than the pulse frequency that pulse generating unit 104 work produces, this HF switch is disconnected when ensure that in pulse generating unit and produce pulse, stop powering for this pulse generating unit 104, thus to the impact of power supply when decreasing pulsed operation.
Concrete, the frequency of this HF switch is generally more than 10kHz, and the operating frequency in pulse generating unit is 100Hz, the pulse frequency that the frequency of HF switch produces much larger than the work of pulse generating unit, when being easy to realize pulse generating unit work generation pulse, this HF switch is closed, and stops as pulse generating unit is powered.
Rectifier transformer 103, for being direct voltage by described high-frequency ac voltage rectification;
Wherein, the high-frequency ac voltage rectification that low pressure inverter 102 sends by this rectifier transformer 103 is direct voltage, and this direct voltage is used for powering for pulse generating unit.
It should be noted that, this direct voltage can be high pressure or low pressure, specifically sets according to actual conditions.
Pulse generating unit 104, for generating resonance high-voltage pulse voltage according to described direct voltage, and transfers to electrostatic precipitator.
Wherein, the direct voltage that pulse generating unit 104 provides according to rectifier transformer 103 generates resonance high-voltage pulse voltage, and this resonance high-voltage pulse voltage is transferred to electrostatic precipitator, for providing resonant mode high-voltage pulse for this electrostatic precipitator.
Concrete, the output of this pulse generating unit 104 is connected with electrostatic precipitator, superposes high-voltage pulse by resonance manner on this electrostatic precipitator.
It should be noted that, electrostatic precipitator, according to the high-voltage pulse of superposition, forms static electric field adsorption of dust therein, completes the process of electrostatic precipitation.
This rectifier transformer 103 provides direct current supply voltage for pulse generating unit 104, ensure that the power good of pulse generating unit 104, is beneficial to it and forms stable impulse waveform.
To sum up, a kind of pulse generator provided in the present embodiment, comprising: low-voltage rectifying device, for being direct voltage by power frequency ac voltage rectification; Low pressure inverter, for being high-frequency ac voltage by described direct voltage inversion; Rectifier transformer, for being direct voltage by described high-frequency ac voltage rectification; Pulse generating unit, for generating resonance high-voltage pulse voltage according to described direct voltage, and transfers to electrostatic precipitator; Wherein, described low pressure inverter is provided with HF switch, the direct voltage of input low pressure inverter becomes high-frequency ac voltage in the control subinverse of this HF switch, and the frequency that the frequency of this HF switch switches higher than the operating state of pulse generating unit, therefore can realize stopping as its power supply when pulse generating unit generates resonance high-voltage pulse voltage according to direct voltage, thus the impact to its power supply when reducing pulse generating unit work, this measure improves the reliability of pulse generator and makes pulse generator stronger to power supply adaptive capacity.
See Fig. 2, show the structural representation of a kind of pulse generator embodiment 2 that the application provides, comprising: low-voltage rectifying device 201, low pressure inverter 202, rectifier transformer 203 and pulse generating unit 204;
Wherein, this pulse generating unit 204 is consistent with embodiment 1, repeats no more in the present embodiment.
Wherein, this low-voltage rectifying device 201 comprises electrochemical capacitor C1, two piezo-resistance R1 ~ R2 with C1 parallel connection, the ac filter inductance L 1 ~ L3 be connected with the three-phase incoming line of power frequency AC respectively, three rectifier diodes be connected with electrochemical capacitor negative pole with each ac filter inductance respectively, three rectifier diodes be connected with electrochemical capacitor positive pole with each ac filter inductance respectively, in parallel with piezo-resistance 8 high frequency capacitance C2 ~ C9 and DC filtering inductance L 4 ~ L5.
Wherein, this low pressure inverter 202 adopts bridge inverter main circuit, specifically comprise: the combination of 4 groups of IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) and and the diode of this IGBT Opposite direction connection.
It should be noted that, in the present embodiment, the combination of the diode of this IGBT and Opposite direction connection is a switch, and its on off state determines by being added on its voltage controlling pole, and in bridge, each arm is with a frequency ON, and output voltage becomes high-frequency ac voltage.
Wherein, the frequency of this brachium pontis break-make is the control pole tension signal repetition rate decision of IGBT.
It should be noted that, the bridge inverter main circuit that in the present embodiment, this low pressure inverter adopts is the combination of 4 groups of IGBT and diode, is not limited to this, can arrange in actual enforcement according to actual conditions, as long as ensureing is bridge inverter main circuit.
Wherein, rectifier transformer 203 adopts bridge rectifier, and specifically comprise the bridge architecture of the first transformer, 4 diode VD1 ~ VD4 compositions, the output two ends of this bridge architecture, one end ground connection, the other end is connected with the input of pulse generating unit 204.
This rectifier transformer output dc voltage is to pulse generating unit, and this direct voltage is used for powering for pulse generating unit.
The concrete structure of a kind of pulse generator embodiment 3 that the application also provides, comprising: low-voltage rectifying device, low pressure inverter, rectifier transformer and pulse generating unit;
Wherein, low-voltage rectifying device, low pressure inverter, rectifier transformer are consistent with embodiment 2, repeat no more in the present embodiment.
Wherein, described pulse generating unit comprises pulse switch, diode and oscillating circuit, described pulse switch and described diodes in parallel, and the negative electrode of described diode is connected with the output of described rectifier transformer, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
When described pulse switch disconnects, described rectifier transformer output dc voltage to described pulse generating unit is the charging of described pulse generating unit;
When described pulse switch is connected, described rectifier transformer stops output dc voltage to described pulse generating unit, and described pulse generating unit provides resonance high-voltage pulse voltage for described electrostatic precipitator.
See Fig. 3, show a structural representation of a kind of pulse generator embodiment 3 that the application provides, this pulse generator comprises: low-voltage rectifying device 301, low pressure inverter 302, rectifier transformer 303 and pulse generating unit 304;
Wherein, described pulse generating unit comprises pulse switch, diode and oscillating circuit, and this oscillating circuit comprises the first inductance L 6 and the first electric capacity C10;
Wherein, described first inductance L 6 and described first electric capacity C10 connect, one end of described first inductance L 6 and described rectifier transformer, and the other end is connected with one end of described first electric capacity C10; The other end of described first electric capacity C10 is connected with described electrostatic precipitator.
Concrete, the output i.e. other end of this first electric capacity C10 of this pulse generating unit 304 is connected with electrostatic precipitator, is superposed the cathode line of high-voltage pulse by resonance manner on this electrostatic precipitator.
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator, according to the high-voltage pulse of superposition, forms static electric field adsorption of dust therein, completes the process of electrostatic precipitation.
Wherein, rectifier transformer 303 operationally, first electric capacity C10 is charged, when pulse switch is connected, pulse switch, the first inductance L 6, first electric capacity C10 and electrostatic precipitator form equivalent tank loop, superpose high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
See Fig. 4, show another structural representation of a kind of pulse generator embodiment 3 that the application provides, this pulse generator comprises: low-voltage rectifying device 401, low pressure inverter 402, rectifier transformer 403 and pulse generating unit 404;
Wherein, described pulse generating unit comprises pulse switch, diode and oscillating circuit, and this oscillating circuit comprises the second inductance L 7 and the second electric capacity C11;
Wherein, one end of described second inductance and the described pulse switch three that is connected with the anode of described diode is connected, described second inductance other end ground connection; One end of described second electric capacity and described rectifier transformer, the other end is connected with described electrostatic precipitator; Output i.e. one end of this second electric capacity C11 of this pulse generating unit 404 is connected with electrostatic precipitator, superposes high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
Wherein, rectifier transformer 403 operationally, second electric capacity C11 is charged, when pulse switch is connected, pulse switch, the second inductance L 7, second electric capacity C11 and electrostatic precipitator form equivalent tank loop, superpose high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator, according to the high-voltage pulse of superposition, forms static electric field adsorption of dust therein, completes the process of electrostatic precipitation.
See Fig. 5, show the another structural representation of a kind of pulse generator embodiment 3 that the application provides, this pulse generator comprises: low-voltage rectifying device 501, low pressure inverter 502, rectifier transformer 503 and pulse generating unit 504;
Wherein, described pulse generating unit comprises pulse switch, diode and oscillating circuit, and this oscillating circuit comprises the 3rd electric capacity C12, pulse transformer and the 4th electric capacity C13;
Wherein, one end of described 3rd electric capacity is connected with the negative electrode three of described diode with described pulse switch, and the other end is connected with the Same Name of Ends of described pulse transformer input side; The other end ground connection of the input side of described pulse transformer;
Wherein, the 3rd electric capacity C12 can be used as storage capacitor, stores the direct current that rectifier transformer 503 transmits.
Concrete, one end of described 4th electric capacity is connected with the Same Name of Ends of the outlet side of described pulse transformer, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Concrete, output i.e. one end of the 4th electric capacity C13 of this pulse generating unit 504 is connected with electrostatic precipitator, superposes high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator, according to the high-voltage pulse of superposition, forms static electric field adsorption of dust therein, completes the process of electrostatic precipitation.
Wherein, rectifier transformer 503 operationally, 3rd electric capacity C12 is charged, when pulse switch is connected, pulse switch, the 3rd electric capacity C12, pulse transformer and the 4th electric capacity C13 and electrostatic precipitator form equivalent tank loop, superpose high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
See Fig. 6, show a structural representation again of a kind of pulse generator embodiment 3 that the application provides, this pulse generator comprises: low-voltage rectifying device 601, low pressure inverter 602, rectifier transformer 603 and pulse generating unit 604;
Wherein, described pulse generating unit comprises pulse switch, diode and oscillating circuit, and this oscillating circuit comprises the 5th electric capacity C14, pulse transformer and the 6th electric capacity C15;
Wherein, one end of described 5th electric capacity is connected with the negative electrode three of described diode with described pulse switch, other end ground connection, and the anode of described diode is connected with the Same Name of Ends of described pulse transformer input side; The other end ground connection of the input side of described pulse transformer; The Same Name of Ends of the outlet side of this pulse transformer connects the 6th electric capacity C15, the other end ground connection of the outlet side of described pulse transformer; 6th electric capacity C15 is connected with electrostatic precipitator.
Wherein, the 5th electric capacity C14 can be used as storage capacitor, stores the direct current that rectifier transformer 603 transmits.
Concrete, one end of described 4th electric capacity is connected with the Same Name of Ends of the outlet side of described pulse transformer, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Concrete, output i.e. one end of the 5th electric capacity C14 of this pulse generating unit 604 is connected with electrostatic precipitator, is superposed the cathode line of high-voltage pulse by resonance manner on this electrostatic precipitator
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator, according to the high-voltage pulse of superposition, forms static electric field adsorption of dust therein, completes the process of electrostatic precipitation.
Wherein, rectifier transformer 603 operationally, 5th electric capacity C14 is charged, when pulse switch is connected, pulse switch, the 5th electric capacity C14, pulse transformer and the 6th electric capacity C15 and electrostatic precipitator form equivalent tank loop, superpose high-voltage pulse by resonance manner in the cathode line of this electrostatic precipitator.
See Fig. 7, show the structural representation of a kind of pulse generator embodiment 4 that the application provides, this pulse generator comprises: low-voltage rectifying device 701, low pressure inverter 702, resonant capacitance 703, rectifier transformer 704 and pulse generating unit 705;
Wherein, low-voltage rectifying device 701, low pressure inverter 702, rectifier transformer 704 are consistent with structure in embodiment 2 with pulse generating unit 705, repeat no more in the present embodiment.
Wherein, resonant capacitance 703 is arranged between described low pressure inverter and described rectifier transformer, and described resonant capacitance 703 and described rectifier transformer 704 leakage inductance produce LC resonance;
Wherein, during described low pressure inverter operating state, low pressure inverter is in resonant type soft-switch state, enhances the sensitivity of switch.
It should be noted that, pulse switch can be controllable silicon in the above-described embodiments, and also can be IGBT, concrete facilities can set according to actual conditions, does not limit in the present embodiment.
In the above-described embodiments, preferably, RC resistance capaciting absorpting circuit can be added at pulse switch two ends.
In the above-described embodiments, preferably, RCD absorbing circuit can be added at pulse switch two ends.
To the above-mentioned explanation of provided embodiment, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle provided in this article and features of novelty.
Claims (7)
1. a pulse generator, is characterized in that, comprising:
Low-voltage rectifying device, for being direct voltage by power frequency ac voltage rectification;
Low pressure inverter, for being high-frequency ac voltage by described direct voltage inversion;
Rectifier transformer, for being direct voltage by described high-frequency ac voltage rectification;
Pulse generating unit, for generating resonance high-voltage pulse voltage according to described direct voltage, and transfers to electrostatic precipitator;
Wherein, described low pressure inverter is provided with HF switch, and the frequency of described HF switch is greater than the pulse frequency of described pulse transmitter generation.
2. pulse generator according to claim 1, it is characterized in that, described pulse generating unit comprises pulse switch, diode and oscillating circuit, described pulse switch and described diodes in parallel, the negative electrode of described diode is connected with the output of described rectifier transformer, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
When described pulse switch disconnects, described rectifier transformer output dc voltage to described pulse generating unit is the charging of described pulse generating unit;
When described pulse switch is connected, described rectifier transformer stops output dc voltage to described pulse generating unit, and described pulse generating unit provides resonance high-voltage pulse voltage for described electrostatic precipitator.
3. pulse generator according to claim 2, is characterized in that, described oscillating circuit comprises: the first inductance and the first electric capacity;
Wherein, described first inductance and described first capacitances in series, one end of described first inductance is connected with described rectifier transformer, and the other end is connected with one end of described first electric capacity; The other end of described first electric capacity is connected with described electrostatic precipitator.
4. pulse generator according to claim 2, is characterized in that, described oscillating circuit comprises: the second inductance and the second electric capacity;
Wherein, one end of described second inductance is connected with the anode three of described diode with described pulse switch, described second inductance other end ground connection; One end of described second electric capacity is connected with described rectifier transformer, and the other end is connected with described electrostatic precipitator.
5. pulse generator according to claim 2, is characterized in that, described oscillating circuit comprises: the 3rd electric capacity, pulse transformer and the 4th electric capacity;
Wherein, one end of described 3rd electric capacity is connected with the negative electrode three of described diode with described pulse switch, and the other end is connected with the Same Name of Ends of described pulse transformer input side; The other end ground connection of the input side of described pulse transformer;
One end of described 4th electric capacity is connected with the Same Name of Ends of the outlet side of described pulse transformer, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
6. pulse generator according to claim 1, is characterized in that, the output of described pulse generating unit is connected with the cathode line of described electrostatic precipitator.
7. pulse generator according to claim 1, is characterized in that, also comprises:
Be arranged at the resonant capacitance between described low pressure inverter and described rectifier transformer, described resonant capacitance and described rectifier transformer leakage inductance produce LC resonance;
Wherein, described low pressure inverter in working order time, low pressure inverter is in resonant type soft-switch state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410215683.2A CN104953885B (en) | 2014-05-21 | 2014-05-21 | Pulse generator |
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| CN201410215683.2A CN104953885B (en) | 2014-05-21 | 2014-05-21 | Pulse generator |
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| CN104953885A true CN104953885A (en) | 2015-09-30 |
| CN104953885B CN104953885B (en) | 2017-02-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421642A (en) * | 2018-04-27 | 2018-08-21 | 浙江大维高新技术股份有限公司 | A kind of electric precipitation high-voltage pulse power source |
| CN113364335A (en) * | 2021-05-26 | 2021-09-07 | 中国空气动力研究与发展中心空天技术研究所 | Nanosecond pulse power supply for underwater pulse discharge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2852523Y (en) * | 2005-11-22 | 2006-12-27 | 福建龙净环保股份有限公司 | High-frequency high-voltage power supply for electrical dust collection |
| CN203504453U (en) * | 2013-09-18 | 2014-03-26 | 杭州天明环保工程有限公司 | Pulse power supply apparatus |
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2014
- 2014-05-21 CN CN201410215683.2A patent/CN104953885B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2852523Y (en) * | 2005-11-22 | 2006-12-27 | 福建龙净环保股份有限公司 | High-frequency high-voltage power supply for electrical dust collection |
| CN203504453U (en) * | 2013-09-18 | 2014-03-26 | 杭州天明环保工程有限公司 | Pulse power supply apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108421642A (en) * | 2018-04-27 | 2018-08-21 | 浙江大维高新技术股份有限公司 | A kind of electric precipitation high-voltage pulse power source |
| CN113364335A (en) * | 2021-05-26 | 2021-09-07 | 中国空气动力研究与发展中心空天技术研究所 | Nanosecond pulse power supply for underwater pulse discharge |
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| CN104953885B (en) | 2017-02-01 |
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