CN203840236U - Pulse power supply - Google Patents
Pulse power supply Download PDFInfo
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- CN203840236U CN203840236U CN201420261495.9U CN201420261495U CN203840236U CN 203840236 U CN203840236 U CN 203840236U CN 201420261495 U CN201420261495 U CN 201420261495U CN 203840236 U CN203840236 U CN 203840236U
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- electrostatic precipitator
- pulse power
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Abstract
The utility model provides a pulse power supply connected with an electrostatic dust collector. The pulse power supply comprises a low-voltage rectifier device, a low-voltage inverter device, a high-voltage rectifier transformer, a pulse generator, and a controller, wherein the low-voltage rectifier device is used for rectifying AC voltage provided by a power supply to DC voltage; the low-voltage inverter device is used for inverting DC voltage to high-frequency AC voltage; the high-voltage rectifier transformer is used for boosting and rectifying the high-frequency AC voltage to high-voltage DC voltage and outputting the high-voltage DC voltage to the electrostatic dust collector; the pulse generator is in parallel connection with the high-voltage rectifier transformer, the output end is connected with the electrostatic dust collector, and pulse voltage is generated to the electrostatic dust collector; and the controller is used for adjusting parameters of the low-voltage rectifier device and the low-voltage inverter device and adjusting pulse parameters of the pulse generator. The high-voltage DC voltage outputted by the pulse power supply serves as basic voltage of the pulse power supply, the high-voltage DC basic voltage is more straight compared with basic voltage provided by other means, interference on the pulse generator is small, and the inner part of the electrostatic dust collector is less likely to flash in the same average voltage.
Description
Technical field
The utility model relates to electrostatic precipitation field, in particular, relates to a kind of pulse power.
Background technology
In electrostatic precipitation field, the power supply of electrostatic precipitator is one of key factor affecting its dust removing effects.At present, domestic employing mostly is conventional power frequency supply, three phase worker power and high frequency electric source.The major defect of this class technology is that the high resistivity dusts such as high-temperature fine are easily produced to anti-corona, causes electrostatic precipitator operation electric field strength to reduce, and reentrainment of dust is serious, has both caused ash removal efficiency low, wastes again electric energy.
Pulse power power supply technique is to utilize electric field flashover to form the principle that needs certain hour, on the basis of conventional power supply, the pulse voltage of stack short time returned under flashover voltage rapidly voltage of electric field before electric field has time enough formation flashover.This power supply technology had both improved the peak of electrostatic precipitator voltage of electric field, can effectively overcome back corona phenomenon again, was the important development direction of electrostatic precipitator power supply.
The basic voltage of the pulse power that at present, electrostatic precipitator adopts is all generally industrial frequency rectifying direct voltage or three phase rectifier direct voltage.But, the waveform of these two kinds of basic voltages is all the waveform with certain amplitude, and because the fluctuation of basic voltage is larger, easily cause in electrostatic precipitator electric field unstable, the problem that occurs flashover, and, because making greatly the pulse power, basic voltage fluctuation produces larger harmonic wave, to the pulse generating unit in this pulse power, disturb larger.
Utility model content
In view of this, the utility model provides a kind of pulse power, and the basic voltage fluctuation that solved the pulse power in prior art is large, it is slow and the pulse generating unit in this pulse power is disturbed to larger problem to control reaction speed.
For achieving the above object, the utility model provides following technical scheme:
A pulse power, the described pulse power is connected with electrostatic precipitator, and the described pulse power comprises:
Be connected with AC power, the low-voltage rectifying device that is direct voltage by ac voltage rectifier;
Be connected with described low-voltage rectifying device, described direct voltage inversion become to the low pressure inverter of high-frequency ac voltage;
Be connected with described low pressure inverter, by the rectification of boosting of described high-frequency ac voltage, be high-voltage dc voltage, and export the high-voltage rectifying transformer of electrostatic precipitator to;
, output in parallel with described high-voltage rectifying transformer is connected with described electrostatic precipitator, and production burst voltage is to the pulse generator of described electrostatic precipitator;
The controller being connected with described pulse generator with described low-voltage rectifying device, described low pressure inverter respectively, described controller is for regulating the parameter of described low-voltage rectifying device and described low pressure inverter, and the pulse parameter that regulates described pulse generator.
The above-mentioned pulse power, preferred, described pulse parameter comprises pulse amplitude and pulse frequency.
The above-mentioned pulse power, preferred, also comprise:
Be arranged at the resonant capacitance between described low pressure inverter and described high-voltage rectifying transformer, described resonant capacitance and described high-voltage rectifying transformer leakage inductance produce LC resonance;
Wherein, during resonant type soft-switch state, described low pressure inverter is in running order.
The above-mentioned pulse power, preferred, between the output of described high-voltage rectifying transformer and the output of described pulse generator, be also provided with spacer assembly;
Described spacer assembly comprises: LC filter or damping resistance.
The above-mentioned pulse power, preferred, described pulse generator comprises:
Be connected with AC power, the rectifying device that boosts that is direct voltage by ac voltage rectifier;
Be connected with the described rectifying device that boosts, the described direct voltage of foundation generates resonance high-voltage pulse voltage and is sent to the pulse generating unit of described electrostatic precipitator.
The above-mentioned pulse power, 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 the described rectifying device that boosts, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively.
The above-mentioned pulse power, preferred, described oscillating circuit comprises: inductance and electric capacity;
Wherein, described inductance and described capacitances in series, one end of described inductance is connected with described rectifier transformer, and the other end is connected with one end of described electric capacity; The other end of described electric capacity is connected with described electrostatic precipitator.
The above-mentioned pulse power, preferred, described oscillating circuit comprises: the second inductance and the second electric capacity;
Wherein, one end of described the second inductance is connected with the anode three of described pulse switch and described diode, described the second inductance other end ground connection; One end of described the second electric capacity and described rectifier transformer, the other end is connected with described electrostatic precipitator.
The above-mentioned pulse power, preferred, described oscillating circuit comprises: the 3rd electric capacity, pulse transformer and the 4th electric capacity;
Wherein, one end of described the 3rd electric capacity is connected with the negative electrode three of described pulse switch and described diode, 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;
The Same Name of Ends of described the 4th one end of electric capacity and the outlet side of described pulse transformer is connected, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Known via above-mentioned technical scheme, compared with prior art, the utility model provides a kind of pulse power, and the described pulse power is connected with electrostatic precipitator, this pulse power comprises: is connected with AC power, and the low-voltage rectifying device that is direct voltage by ac voltage rectifier; Be connected with described low-voltage rectifying device, described direct voltage inversion become to the low pressure inverter of high-frequency ac voltage; Be connected with described low pressure inverter, by the rectification of boosting of described high-frequency ac voltage, be high-voltage dc voltage, and export the high-voltage rectifying transformer of electrostatic precipitator to; , output in parallel with described high-voltage rectifying transformer is connected with described electrostatic precipitator, and production burst voltage is to the pulse generator of described electrostatic precipitator; The controller being connected with described pulse generator with described low-voltage rectifying device, described low pressure inverter respectively, described controller is for regulating the parameter of described low-voltage rectifying device and described low pressure inverter, and the pulse parameter that regulates described pulse generator.In this pulse power, the high-voltage dc voltage of rectifier transformer output is as the basic voltage of this pulse power, the basic voltage that high voltage direct current basic voltage provides with respect to other modes is more straight, therefore the interference of paired pulses generator is less, and, the more difficult inner flashover that occurs of electrostatic precipitator that makes under identical equal threshold voltage, adopts the control mode of high frequency to make to turn-off sooner the variation that output reply load occurs.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing using in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The structural representation of a kind of pulse power embodiment 1 that Fig. 1 provides for the application;
The structural representation of a kind of pulse power embodiment 1 mesolow inverter that Fig. 2 provides for the application;
The structural representation of a kind of pulse power embodiment 2 that Fig. 3 provides for the application;
The structural representation of pulse generator in a kind of pulse power embodiment 3 that Fig. 4 provides for the application;
A structural representation of pulse generator in a kind of pulse power embodiment 4 that Fig. 5 provides for the application;
Another structural representation of pulse generator in a kind of pulse power embodiment 4 that Fig. 6 provides for the application;
The another structural representation of pulse generator in a kind of pulse power embodiment 4 that Fig. 7 provides for the application.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The pulse power relating in the application is connected with electrostatic precipitator, as power supply, provides dedusting voltage for this electrostatic precipitator.
Referring to Fig. 1, show the structural representation of a kind of pulse power embodiment 1 that the application provides, comprising: low-voltage rectifying device 101, low pressure inverter 102, high-voltage rectifying transformer 103, pulse generator 104 and controller 105;
Low-voltage rectifying device 101 is connected with AC power, for being direct voltage by ac voltage rectifier;
Wherein, this AC power can be polytype, as three-phase alternating-current supply, two-phase alternating current source etc.
As various ways such as concrete adopted 50Hz, 380V or 50Hz, 220V, the present embodiment does not limit, and while specifically implementing, can adopt according to actual user demand the power supply of respective type.
Low pressure inverter 102 is connected with described low-voltage rectifying device 101, for described direct voltage inversion is become to high-frequency ac voltage;
Wherein, the direct voltage inversion that low pressure inverter 102 sends this low-voltage rectifying device 101 is high-frequency ac voltage.
High-voltage rectifying transformer 103 is connected with described low pressure inverter 102, is high-voltage dc voltage, and exports electrostatic precipitator to for rectification that described high-frequency ac voltage is boosted;
Wherein, the high-frequency ac voltage that high-voltage rectifying transformer 103 sends this low pressure inverter 102 rectification of boosting is high-voltage dc voltage, this high-voltage dc voltage exports electrostatic precipitator to, for providing basic voltage for this electrostatic precipitator, because the basic voltage that this high-voltage dc voltage high-frequency direct-current basic voltage provides with respect to other modes is more straight, therefore the interference of paired pulses generator is less, and, the more difficult inner flashover that occurs of electrostatic precipitator that makes under identical equal threshold voltage, adopt the control mode of high frequency can tackle sooner the variation that load occurs.
In concrete enforcement, the negative voltage output of this high-voltage rectifying transformer 103 is connected with the cathode line of electrostatic precipitator, positive voltage output end ground connection.
Pulse generator 104 is connected with described electrostatic precipitator with described high-voltage rectifying transformer 103 parallel connections, output, for production burst voltage to described electrostatic precipitator;
Controller 105 is connected with described low-voltage rectifying device 101, described low pressure inverter 102 and described pulse generator 104 respectively, for regulating the parameter of described low-voltage rectifying device 101 and described low pressure inverter 102, and the pulse parameter that regulates described pulse generator 104.
Wherein, these pulse generator 104 production burst voltages are to electrostatic precipitator, so that electrostatic precipitator is according to the high-voltage pulse of stack, portion forms static electric field absorption dust within it, completes the process of electrostatic precipitation.
Wherein, controller 105 can be sampled to the electric current and voltage of high-voltage rectifying transformer 103 and pulse generator 104 outputs, parameter according to sample content to described low-voltage rectifying device 101 and described low pressure inverter 102, the pulse parameter of paired pulses generator 104 outputs is adjusted, to reach basic voltage size and the optimal target of pulse voltage that electrostatic precipitator is received.
Wherein, during actual enforcement, this controller 105 can be selected TMS320F28335 type digital signal processor.
In concrete enforcement, the outlet side negative voltage side of this pulse generator 104 is connected with the cathode line of electrostatic precipitator, the positive voltage terminal ground connection of outlet side.
Wherein, pulse parameter comprises pulse amplitude and pulse frequency.
It should be noted that, in the present embodiment, the pulse parameter of controller paired pulses generator output is adjusted, this pulse parameter comprises pulse amplitude and pulse frequency, but be not limited to this, in actual enforcement, also can only to one of them parameter, adjust according to actual conditions, as a paired pulses amplitude is adjusted, or only paired pulses frequency is adjusted.
Referring to Fig. 2, show the structural representation of a kind of pulse power embodiment 1 mesolow inverter that the application provides.
Wherein, described low pressure inverter adopts bridge inverter main circuit, specifically comprises: 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 of controlling the utmost point, and in bridge, each arm takes turns to connect with a frequency, and output voltage becomes high-frequency ac voltage.
Wherein, the control pole tension signal repetition rate that the frequency of this brachium pontis break-make is IGBT determines.
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, in actual enforcement, can arrange according to actual conditions, as long as guarantee, be bridge inverter main circuit.
To sum up, a kind of pulse power that the present embodiment provides, this pulse power by alternating current through processes such as over commutation, inversions, the high-voltage dc voltage of being exported by rectifier transformer is as the basic voltage of this pulse power, the basic voltage that high voltage direct current basic voltage provides with respect to other modes is more straight, therefore the interference of paired pulses generator is less, and, under identical equal threshold voltage, the more difficult inner flashover that occurs of deduster that makes, adopts the control mode of high frequency can tackle sooner the variation that load occurs.
Referring to Fig. 3, the structural representation that shows a kind of pulse power embodiment 2 that the application provides, comprising: low-voltage rectifying device 301, low pressure inverter 302, resonant capacitance 303, high-voltage rectifying transformer 304, pulse generator 305, controller 306 and spacer assembly 307;
Wherein, low-voltage rectifying device 301, low pressure inverter 302, high-voltage rectifying transformer 304, pulse generator 305 and controller 306 are consistent with corresponding construction in embodiment 1, in the present embodiment, do not repeat.
Wherein, this resonant capacitance 303 is arranged between described low pressure inverter 302 and described high-voltage rectifying transformer 304, and described resonant capacitance and described high-voltage rectifying transformer leakage inductance produce LC resonance;
Wherein, during resonant type soft-switch state, described low pressure inverter is in running order.
Wherein, spacer assembly 307 is arranged between the output of described high-voltage rectifying transformer 304 and the output of described pulse generator 305, between high-voltage rectifying transformer 304 and pulse generator, influence each other preventing, concrete, prevent that the high-voltage dc voltage of high-voltage rectifying transformer 304 outputs from affecting the generation pulse of this pulse generator 305, prevent that the pulse that pulse generator 305 sends from affecting high-voltage rectifying transformer 304 output high-voltage dc voltages simultaneously.
Concrete, this spacer assembly comprises: LC filter or damping resistance.
To sum up, in a kind of pulse power providing in the present embodiment, also be provided with resonant capacitance and spacer assembly, this resonant capacitance is for producing LC resonance with high-voltage rectifying transformer leakage inductance, spacer assembly is used for preventing influencing each other between high-voltage rectifying transformer and pulse generator, reduced the impact of the inside generation of the pulse power, improved and exported the pulse voltage at electrostatic precipitator place and the degree of stability of basic voltage and accuracy to.
In the present embodiment, the pulse power comprises: low-voltage rectifying device, low pressure inverter, high-voltage rectifying transformer, pulse generator and controller;
Wherein, described low-voltage rectifying device, low pressure inverter, high-voltage rectifying transformer and controller are consistent with the function of corresponding construction in embodiment 1, in the present embodiment, repeat no more.
Referring to Fig. 4, show the structural representation of pulse generator in a kind of pulse power embodiment 3 that the application provides.
Wherein, pulse generator comprises boost rectifying device 401 and pulse generating unit 402;
The rectifying device 401 that boosts is connected with AC power, for being connected with AC power, by ac voltage rectifier, is direct voltage;
Concrete, alternating current can adopt the various ways such as 50Hz, 380V or 50Hz, 220V, and the present embodiment does not limit, can be according to actual conditions setting in actual enforcement.
It should be noted that, this direct voltage can, for high pressure or low pressure, specifically be set according to actual conditions.
Pulse generating unit 402 is connected with the described rectifying device 401 that boosts, for generating resonance high-voltage pulse voltage and be sent to described electrostatic precipitator according to described direct voltage.
Wherein, the direct voltage that pulse generating unit 402 provides according to the rectifying device 401 that boosts generates resonance high-voltage pulse voltage, and this resonance high-voltage pulse voltage is transferred to electrostatic precipitator, is used to this electrostatic precipitator that resonant mode high-voltage pulse is provided.
Concrete, the output of this pulse generating unit 402 is connected with electrostatic precipitator, and high-voltage pulse superposes on this electrostatic precipitator by resonance manner.
It should be noted that, electrostatic precipitator is according to the high-voltage pulse of stack, and portion forms static electric field absorption dust within it, completes the process of electrostatic precipitation.
This rectifying device 401 that boosts, for pulse generating unit 402 provides direct current supply voltage, has guaranteed that the power supply of pulse generating unit 402 is stable, is beneficial to it and forms stable impulse waveform.
To sum up, the pulse generator in a kind of pulse power providing in the present embodiment comprises: be connected with AC power, and the rectifying device that boosts that is direct voltage by ac voltage rectifier; Be connected with the described rectifying device that boosts, the described direct voltage of foundation generates resonance high-voltage pulse voltage and is sent to the pulse generating unit of described electrostatic precipitator.The rectifying device that boosts of this pulse generator is exported high-voltage dc voltage by alternating current through processing, pulse generating unit is according to this direct voltage production burst voltage, direct voltage is more straight with respect to other types voltage, therefore the process that pulse generating unit produces pulse according to straight direct voltage is simpler, and the pulse of generation is more stable.
In the present embodiment, the pulse power comprises: low-voltage rectifying device, low pressure inverter, high-voltage rectifying transformer, pulse generator and controller;
Referring to Fig. 5, show a structural representation of pulse generator in a kind of pulse power embodiment 4 that the application provides, this pulse generator comprises: boost rectifying device 501 and pulse generating unit 502, and described pulse generating unit comprises pulse switch, diode and oscillating circuit; Described oscillating circuit comprises: inductance L 1 and capacitor C 1;
Wherein, described in the rectifying device 401 that boosts consistent with the function of corresponding construction in embodiment 3, in the present embodiment, repeat no more.
Wherein, described pulse switch and described diodes in parallel, the negative electrode of described diode is connected with the output of described high-voltage rectifying transformer, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
Concrete, described inductance L 1 and 1 series connection of described capacitor C, one end of described inductance L 1 with described in the rectifying device 501 that boosts, the other end is connected with one end of described capacitor C 1; The other end of described capacitor C 1 is connected with described electrostatic precipitator.
When described pulse switch disconnects, described in boost rectifying device 501 for described pulse generating unit 502 chargings; When described pulse switch is connected, described in the rectifying device 501 that boosts do not export high voltage direct current and be depressed into described pulse generating unit 502, described pulse generating unit 502 provides resonance high-voltage pulse voltage for described electrostatic precipitator.
Concrete, the output of this pulse generating unit 502 i.e. other end of this capacitor C 1 is connected with electrostatic precipitator, and high-voltage pulse superposes in the cathode line of this electrostatic precipitator by resonance manner.
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator is according to the high-voltage pulse of stack, and portion forms static electric field absorption dust within it, completes the process of electrostatic precipitation.
Wherein, boost rectifying device 501 when work, in capacitor C 10, charged, when pulse switch is connected, pulse switch, inductance L 6, capacitor C 10 and electrostatic precipitator form equivalent resonant tank, the cathode line stack high-voltage pulse by resonance manner on this electrostatic precipitator.
Referring to Fig. 6, show another structural representation of pulse generator in a kind of pulse power embodiment 4 that the application provides, this pulse generator comprises: boost rectifying device 601 and pulse generating unit 602, and described pulse generating unit 602 comprises pulse switch, diode and oscillating circuit; Described oscillating circuit comprises: the second inductance L 2 and the second capacitor C 2;
Wherein, described in the rectifying device 601 that boosts consistent with the function of corresponding construction in embodiment 3, in the present embodiment, repeat no more.
Wherein, described pulse switch and described diodes in parallel, the negative electrode of described diode is connected with the described output that boosts rectifying device 601, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
Concrete, one end of described the second inductance L 2 is connected with the negative electrode three of described pulse switch and described diode, described the second inductance L 2 other end ground connection; One end of described the second capacitor C 2 is connected with described rectifier transformer, and the other end is connected with described electrostatic precipitator.
Concrete, the output of this pulse generating unit 602 i.e. one end of this second capacitor C 2 is connected with electrostatic precipitator, the cathode line of the high-voltage pulse that superposes on this electrostatic precipitator by resonance manner.
Wherein, boost rectifying device 601 when work, in the second capacitor C 2, charged, when pulse switch is connected, pulse switch, the second inductance L 2, the second capacitor C 2 and electrostatic precipitator form equivalent resonant tank, the cathode line stack high-voltage pulse by resonance manner on this electrostatic precipitator.
The anode line ground connection of this electrostatic precipitator, electrostatic precipitator is according to the high-voltage pulse of stack, and portion forms static electric field absorption dust within it, completes the process of electrostatic precipitation.
Referring to Fig. 7, show the another structural representation of pulse generator in a kind of pulse power embodiment 4 that the application provides, this pulse generator comprises: boost rectifying device 701 and pulse generating unit 702, and described pulse generating unit 702 comprises pulse switch, diode and oscillating circuit; Described oscillating circuit comprises: the 3rd capacitor C 3, pulse transformer and the 4th capacitor C 4;
Wherein, described in the rectifying device 701 that boosts consistent with the function of corresponding construction in embodiment 3, in the present embodiment, repeat no more.
Wherein, described pulse switch and described diodes in parallel, the negative electrode of described diode is connected with the described output that boosts rectifying device 401, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively;
Wherein, the 3rd capacitor C 3 can be used as storage capacitor, and the direct current of rectifying device 401 transmission of boosting is stored.
Concrete, one end of described the 3rd capacitor C 3 is connected with the negative electrode three of described pulse switch and described diode, 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;
The Same Name of Ends of described the 4th one end of capacitor C 4 and the outlet side of described pulse transformer is connected, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Wherein, boost rectifying device 701 when work, in the 3rd capacitor C 12, charged, when pulse switch is connected, pulse switch, the 3rd capacitor C 12, pulse transformer and the 4th capacitor C 13 and electrostatic precipitator form equivalent resonant tank, the cathode line stack high-voltage pulse by resonance manner on this electrostatic precipitator.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.For the device providing for embodiment, because its method providing with embodiment is corresponding, so description is fairly simple, relevant part partly illustrates referring to method.
Above-mentioned explanation to provided embodiment, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle provided in this article and features of novelty.
Claims (9)
1. a pulse power, is characterized in that, the described pulse power is connected with electrostatic precipitator, and the described pulse power comprises:
Be connected with AC power, the low-voltage rectifying device that is direct voltage by ac voltage rectifier;
Be connected with described low-voltage rectifying device, described direct voltage inversion become to the low pressure inverter of high-frequency ac voltage;
Be connected with described low pressure inverter, by the rectification of boosting of described high-frequency ac voltage, be high-voltage dc voltage, and export the high-voltage rectifying transformer of electrostatic precipitator to;
, output in parallel with described high-voltage rectifying transformer is connected with described electrostatic precipitator, and production burst voltage is to the pulse generator of described electrostatic precipitator;
The controller being connected with described pulse generator with described low-voltage rectifying device, described low pressure inverter respectively, described controller is for regulating the parameter of described low-voltage rectifying device and described low pressure inverter, and the pulse parameter that regulates described pulse generator.
2. the pulse power according to claim 1, is characterized in that, described pulse parameter comprises pulse amplitude and pulse frequency.
3. the pulse power according to claim 1, is characterized in that, also comprises:
Be arranged at the resonant capacitance between described low pressure inverter and described high-voltage rectifying transformer, described resonant capacitance and described high-voltage rectifying transformer leakage inductance produce LC resonance;
Wherein, during resonant type soft-switch state, described low pressure inverter is in running order.
4. the pulse power according to claim 1, is characterized in that, between the output of described high-voltage rectifying transformer and the output of described pulse generator, is also provided with spacer assembly;
Described spacer assembly comprises: LC filter or damping resistance.
5. the pulse power according to claim 1, is characterized in that, described pulse generator comprises:
Be connected with AC power, the rectifying device that boosts that is direct voltage by ac voltage rectifier;
Be connected with the described rectifying device that boosts, the described direct voltage of foundation generates resonance high-voltage pulse voltage and is sent to the pulse generating unit of described electrostatic precipitator.
6. the pulse power according to claim 5, 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 the described rectifying device that boosts, the plus earth of described diode; Described oscillating circuit is connected with electrostatic precipitator with described pulse switch respectively.
7. the pulse power according to claim 6, is characterized in that, described oscillating circuit comprises: inductance and electric capacity;
Wherein, described inductance and described capacitances in series, one end of described inductance is connected with described rectifier transformer, and the other end is connected with one end of described electric capacity; The other end of described electric capacity is connected with described electrostatic precipitator.
8. the pulse power according to claim 6, is characterized in that, described oscillating circuit comprises: the second inductance and the second electric capacity;
Wherein, one end of described the second inductance is connected with the anode three of described pulse switch and described diode, described the second inductance other end ground connection; One end of described the second electric capacity is connected with described rectifier transformer, and the other end is connected with described electrostatic precipitator.
9. the pulse power according to claim 6, is characterized in that, described oscillating circuit comprises: the 3rd electric capacity, pulse transformer and the 4th electric capacity;
Wherein, one end of described the 3rd electric capacity is connected with the negative electrode three of described pulse switch and described diode, 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;
The Same Name of Ends of described the 4th one end of electric capacity and the outlet side of described pulse transformer is connected, and the other end is connected with described electrostatic precipitator; The other end ground connection of the outlet side of described pulse transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261495.9U CN203840236U (en) | 2014-05-21 | 2014-05-21 | Pulse power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261495.9U CN203840236U (en) | 2014-05-21 | 2014-05-21 | Pulse power supply |
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| Publication Number | Publication Date |
|---|---|
| CN203840236U true CN203840236U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420261495.9U Expired - Fee Related CN203840236U (en) | 2014-05-21 | 2014-05-21 | Pulse power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796033A (en) * | 2015-04-27 | 2015-07-22 | 南通理工学院 | Ultra high voltage narrow pulse generator for automobile exhaust purification through coronas |
| CN109194101A (en) * | 2018-10-23 | 2019-01-11 | 西安热工研究院有限公司 | A kind of portable polymorphic type high voltage power supply |
| CN110248737A (en) * | 2017-01-30 | 2019-09-17 | 净化空气企业有限公司 | Electronic filter |
-
2014
- 2014-05-21 CN CN201420261495.9U patent/CN203840236U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796033A (en) * | 2015-04-27 | 2015-07-22 | 南通理工学院 | Ultra high voltage narrow pulse generator for automobile exhaust purification through coronas |
| CN110248737A (en) * | 2017-01-30 | 2019-09-17 | 净化空气企业有限公司 | Electronic filter |
| CN110248737B (en) * | 2017-01-30 | 2021-01-26 | 净化空气企业有限公司 | Electronic filter |
| US11311888B2 (en) | 2017-01-30 | 2022-04-26 | Clean Air Enterprise Ag | Electrostatic precipitator |
| CN109194101A (en) * | 2018-10-23 | 2019-01-11 | 西安热工研究院有限公司 | A kind of portable polymorphic type high voltage power supply |
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