CN104759352A - Electric precipitation pulse high voltage supply controller - Google Patents
Electric precipitation pulse high voltage supply controller Download PDFInfo
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- CN104759352A CN104759352A CN201510124500.0A CN201510124500A CN104759352A CN 104759352 A CN104759352 A CN 104759352A CN 201510124500 A CN201510124500 A CN 201510124500A CN 104759352 A CN104759352 A CN 104759352A
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- control module
- high voltage
- rapping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/66—Applications of electricity supply techniques
- B03C3/68—Control systems therefor
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- Automation & Control Theory (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention relates to an electric precipitation pulse high voltage supply controller, which relates to an electric precipitation electric precipitator high voltage supply. The electric precipitation pulse high voltage supply controller comprises a pulse high-voltage control module, a three phase base high-voltage control module, a low-voltage rapping heating control module, an ethernet router, and a human-computer interface operation display terminal module; wherein the pulse high voltage control module, the three phase base high voltage control module, and the low-pressure rapping heating control module are communicated to each other through the ethernet router, the pulse high voltage control module, the three phase base high voltage control module, and the low-pressure rapping heating control module enable data communication and exchange with the human-computer interface operation display terminal module through the ethernet router; a fiber sending port of the pulse high voltage control module is connected to the fiber reception ports of the three phase base high voltage control module and the low-pressure rapping heating control module, the fiber sending port of the three phase base high voltage control module is connected to the fiber reception ports of the pulse high voltage control module and the low-pressure rapping heating control module, and the fiber sending port of the low-pressure rapping heating control module is connected to the fiber reception ports of the pulse high voltage control module and the three phase base high voltage control module.
Description
Technical field
The present invention relates to electric cleaner high voltage source, especially relate to a kind of electric precipitation pulsed high-voltage source controller.
Background technology
The high voltage source of electric cleaner, uses conventional high-pressure power supply, three-phase high-voltage power supply, high frequency electric source etc., usually for electric field provides high direct voltage to power.Its theoretical research of up-to-date electric precipitation and actual motion conclusion show, on the basis of DC high-voltage power supply, superimposed pulse high pressure is powered, good inhibitory action can be had to the back corona phenomenon formed because of the high specific resistance characteristic of dust in electric field, compared with customary DC high-voltage suppling power, greatly can improve the efficiency of dust collection under the flue gas operating mode of fine solid particle and high resistivity dust, and reduce the operation energy consumption of power-supply device.
Prior art is the power supply mode of superimposed pulse high pressure on the basis of DC high-voltage power supply, and its basic DC high-voltage power supply has conventional single-phase high voltage source, the optional use of three-phase high-voltage power supply, matches with it, has polytype controller to adapt to.
The application case of prior art: electric field high voltage source based on employing three-phase dc high voltage source of electric cleaner, three-phase dc high voltage source exports the high direct voltage of about 60kV, high-voltage pulse is superposed on basic high voltage source, pulsed high voltage generator exports the adjustable high-voltage pulse of repetition rate, and peak value of pulse is about 80kV, pulse width about 100 μ s.
Chinese patent CN102284365A discloses a kind of pulse power source device for electro-precipitator, by pulses generation major loop, reactor and vertoro, intelligent controller, secondary singal treatment circuit, triggers isolator, complementary energy reuse device and electric energy coupling isolator and formed.It produces pulse at the low-pressure end of the vertoro of electric cleaner electric power system, then by forming existing basic DC voltage after the boosting rectification of vertoro, having again the high-voltage pulse of pulse, being supplied to electric cleaner load; The electric field remainder electric energy of electric cleaner is recycled by complementary energy reuse device and electric energy coupling isolator by it, saves electric energy.
Chinese patent CN200981020 discloses a kind of energy-efficient electrostatic precipitator high frequency pulse power supply and control device.Comprise electric cleaner, high-frequency pulse transformer, high-frequency inverter circuit, modulation circuit, three phase rectifier filter circuit and multi-CPU control unit; Described electric cleaner, high-frequency pulse transformer, high-frequency inverter circuit, modulation circuit are connected successively with three phase rectifier filter circuit, and high-frequency inverter circuit, modulation circuit and three phase rectifier filter circuit and multi-CPU control unit are interconnected.
Summary of the invention
The object of this invention is to provide employing Modular Structure Design, can according to the different demands of Electric Field in ESP pulsed high voltage generator used and low-voltage equipment, select difference in functionality module to build, meet a kind of electric precipitation pulsed high-voltage source controller that electric field runs demand for control.
The present invention is provided with high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module, ethernet router, man-machine interface operation display terminal module; Communicated by ethernet router between high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module, high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module operate display terminal module by ethernet router and man-machine interface and carry out data communication exchange; The optical fiber of high voltage pulse control module sends mouth and is connected with the optical fiber receiving port of three-phase basis high voltage control module and low pressure rapping heating control module respectively, the optical fiber of three-phase basis high voltage control module sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module and low pressure rapping heating control module respectively, and the optical fiber of low pressure rapping heating control module sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module and three-phase basis high voltage control module respectively.
Compared with prior art, the present invention has the following advantages:
1, for traditional electric cleaner high voltage source controller, the high voltage source controller of general design simple function; The present invention is by basic high direct voltage major loop, pulse power major loop, low voltage motor rapping and electromagnetic rapping major loop, low tension heating major loop various ways organically integrator, meet all requirements of the single electric field of electric cleaner to electrical control, the total solution given.Each control module can work alone separately separately, can arrange in pairs or groups arbitrarily again, form a multi-functional electric cleaner power-supply controller of electric.
2, high voltage pulse control module, three-phase basis high voltage control module, the collocation of low pressure rapping heating control module, forms the high-low pressure integratedization controller based on the pulsed high voltage generator of three-phase basis high pressure, band electric field electromagnetic rapping, motor rapping and electric heating control function.
3, high voltage pulse control module, conventional single-phase basis high voltage control module, the collocation of low pressure rapping heating control module, forms the high-low pressure integratedization controller based on the pulsed high voltage generator of conventional single-phase basis high pressure, band electric field electromagnetic rapping, motor rapping and electric heating control function.
4, control module is designed with hardware mode mutually without the interlocked control of time delay interlocked control and communication software mode simultaneously, as the control of Electric Field in ESP spark flashover, rapping off power control etc.
5, spark flashover detects redundancy: in Electric Field in ESP spark flashover interlocked control mode, when the inner flashing flashover of Electric Field in ESP, high voltage pulse control module, three-phase basis high voltage control module etc. participates in the testing process of spark flashover signal simultaneously, and high voltage source controller realizes spark flashover detection technique redundant configuration.
6, spark flashover controls interlocking technology: when arbitrary module detects spark flashover signal by the change of secondary current peak value, the High voltage output that interlocking signal blocks other control modules is exported immediately by optical fiber, simultaneously by ethernet communication mode, the spark parameters of electric field is sent to other modules, the controling parameters of high pressure after calculating spark flashover.
7, high voltage source rapping off power control technology and high voltage source low-voltage peak value rapping control technology: electric cleaner need, by rapping, make the collection dust on dust collecting pole plate fall into ash bucket; When rapping, low pressure rapping heating control module exports interlocking signal by optical fiber, the High voltage output of high voltage pulse control module, basic high voltage control module shuts down high voltage source, or reduce the High voltage output of basic high voltage source, turn off the high voltage pulse output of pulsed high voltage generator, the Coulomb force of Electric Field in ESP internal high pressure electrostatic is significantly reduced, significantly improves vibration dust-cleaning effect.
Accompanying drawing explanation
Fig. 1 is the circuit structure composition frame chart of the embodiment of the present invention.
Fig. 2 is the pulse power supply circuit theory of constitution figure of the embodiment of the present invention.
Fig. 3 is the high voltage pulse control module circuit theory of constitution figure of the embodiment of the present invention.
Fig. 4 is the three-phase basis high voltage control modular circuit theory of constitution figure of the embodiment of the present invention.
Fig. 5 is the low pressure rapping heating control module circuit theory of constitution figure of the embodiment of the present invention.
Detailed description of the invention
Following examples will the present invention is further illustrated by reference to the accompanying drawings.
See Fig. 1, the embodiment of the present invention is provided with high voltage pulse control module 3, three-phase basis high voltage control module 2, low pressure rapping heating control module 4, ethernet router 5, man-machine interface operation display terminal module 1; Communicated by ethernet router 5 between high voltage pulse control module 3, three-phase basis high voltage control module 2, low pressure rapping heating control module 4, high voltage pulse control module 3, three-phase basis high voltage control module 2, low pressure rapping heating control module 4 operate display terminal module 1 by ethernet router 5 and man-machine interface and carry out data communication exchange; The optical fiber of high voltage pulse control module 3 sends mouth and is connected with the optical fiber receiving port of three-phase basis high voltage control module 2 and low pressure rapping heating control module 4 respectively, the optical fiber of three-phase basis high voltage control module 2 sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module 3 and low pressure rapping heating control module 4 respectively, and the optical fiber of low pressure rapping heating control module 4 sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module 3 and three-phase basis high voltage control module 2 respectively.
See Fig. 2, high voltage pulse major loop, basic high direct voltage major loop and low pressure major loop organically combine by the present invention, the composition pulse power, and basic high direct voltage major loop is provided with controllable silicon Three-Phase Voltage Regulator, reactor, triphase silicon rectification transformer; Pulse power major loop is provided with three phase voltage regulating rectifier charging circuit and pulse shaping circuit, and three phase voltage regulating rectifier charging circuit is provided with controllable silicon Three-Phase Voltage Regulator, step-up transformer, silicon rectification circuit; Pulse shaping circuit is provided with storage capacitor, IGBT device for power switching, resonant inductance, pulse transformer, isolation coupling electric capacity, deduster load (equivalent capacity load); The negative electrode of the electric field of electric cleaner and the low pressure major loop part such as anode rapping, insulator electrical heating, be made up of electromagnetic rapping major loop, motor rapping major loop and electrical heating major loop.
In fig. 2, basis high direct voltage major loop operation principle: under the control of three-phase basis high voltage control module 2,380V AC power is after Group of Silicon Controlled Rectifier 22 phase-shift voltage regulating, boosted by basic high-tension transformer 23, be high direct voltage through rectification silicon stack 24 rectification, then export the electric field of electric cleaner 26 to through inductance 25 high direct voltage.
High voltage pulse major loop operation principle: under the control of high voltage pulse control module 3,380V AC power is after Group of Silicon Controlled Rectifier 28 phase-shift voltage regulating, 29 are boosted by middle pressure transformer, rectification silicon stack 210 rectification is press in direct current, charge through inductance 211 pairs of storage capacitors 216, charge through inductance 212 pairs of storage capacitors 218, by IGBT device for power switching 213, storage capacitor 217, pulse transformer 219, isolation coupling electric capacity 220, the electric field load (equivalent capacity load) of electric cleaner 26 forms one group of LC resonant tank, by IGBT device for power switching 214, storage capacitor 218, pulse transformer 219, isolation coupling electric capacity 220, the electric field load (equivalent capacity load) of electric cleaner 26 forms another group LC resonant tank, under the control of high voltage pulse control module 3, two groups of resonant tank parallel connection synchronous workings, two IGBT device for power switching 213 and 214 turn on and off simultaneously, common resonance forms high-voltage pulse, to the electric field load charge-discharge of electric cleaner 26.
Low pressure major loop: be made up of electromagnetic rapping major loop, motor rapping major loop and electrical heating major loop three part, controls electromagnetic rapping phase control trigger plate, motor rapping output board and electrical heating output board respectively under low-pressure control module 221 is coordinated.
Electromagnetic rapping major loop operation principle: 220V alternating current is through switch 222 to electromagnetic rapping phase control trigger plate 223, export triggering signal to drive plate 225 by electromagnetic rapping phase control trigger plate 223 and trigger controllable silicon 229 in drive plate 225, 233, 237, 241, power to after diode 224 and 228 rectification drive plate 225 simultaneously, again through isolating diode 230, 234, 237, 241 drive electromagnetic rapping coil 231, 235, 239, 243, diode 232, 236, 240, 244 play afterflow effect, the current feedback signal of electromagnetic rapping delivers to low-pressure control module 221 through sampling plate 227.
Motor rapping major loop operation principle: 380V alternating current drives electric motor of shaker 249 through switch 246, contactor 247, protector 248.
Electrical heating major loop operation principle: 380V alternating current drives electric heater 254 through switch 251, contactor 252, protector 253.
See Fig. 3, high voltage pulse control module operation principle: digital signal processing chip DSP 31 output pwm signal, through level shaping filter 39 and interlock circuit 310, output control signals to control machines plate, control Group of Silicon Controlled Rectifier (parts 28 see in Fig. 2); Digital signal processing chip DSP 31 output pulse signal through programmable gate array FPGA 312 and pulse signal shaping circuit 313, interlock circuit 314, to IGBT trigger board 315 control IGBT device for power switching (parts 213 see in Fig. 2); DSP 31 exports interlocking signal and is converted into optical signal output through programmable gate array FPGA 312 to optical fiber transmission mouth 316; The interlocking signal sent by three-phase basis high voltage control module, low pressure rapping heating control module is received by optical fiber receiving port, delivers to programmable gate array FPGA 312 and digital signal processing chip DSP 31; Primary current, primary voltage, secondary current, secondary voltage signal amplify modulate circuit 37 supplied with digital signal process chip DSP 31 through analog signal, the wherein signal through digital-to-analogue conversion D/A 38 that exports of the peak signal of secondary current and digital signal processing chip DSP 31, identify electric field spark flashover through comparator 318, deliver to programmable gate array FPGA 312;
See Fig. 4, three-phase basis high voltage control module work principle: digital signal processing chip DSP 41 output pwm signal, through level plastic filter circuit 49 and interlock circuit 410, output control signals to three-phase controllable silicon trigger board, control Group of Silicon Controlled Rectifier (parts 22 in Fig. 2); DSP 41 exports interlocking signal and is converted into optical signal output through programmable gate array FPGA 412 to optical fiber transmission mouth 416; The interlocking signal sent by high voltage pulse control module, low pressure rapping heating control module is received by optical fiber receiving port, delivers to programmable gate array FPGA 412 and digital signal processing chip DSP 41; Primary current, primary voltage, secondary current, secondary voltage signal amplify modulate circuit 47 supplied with digital signal process chip DSP 41 through analog signal, the wherein signal through digital-to-analogue conversion D/A 48 that exports of the peak signal of secondary current and digital signal processing chip DSP 41, identify electric field spark flashover through comparator 418, deliver to programmable gate array FPGA 12;
See Fig. 5, low-pressure control module operation principle: digital signal processing chip DSP 51 output pwm signal, output control signals to electromagnetic rapping phase control trigger plate 511 through level plastic filter circuit 59, control the controllable silicon (parts 225 see in Fig. 2) of drive plate; DSP 51 exports interlocking signal and is converted into optical signal output through programmable logic device (CPLD) 512 to optical fiber transmission mouth 516; The interlocking signal sent by three-phase basis high voltage control module, high voltage pulse control module is received by optical fiber receiving port, delivers to programmable logic device (CPLD) 512 and digital signal processing chip DSP 51; DSP 51 output motor rapping control signal and electric heating control signal are through programmable logic device (CPLD) 512 to motor rapping output circuit 517 and electrical heating output circuit 518; The feedback signal that returns sent by electric motor of shaker and electric heater returns motor rapping output circuit 517 by state and electrical heating output circuit 518 receives, and delivers to programmable logic device (CPLD) 512 and digital signal processing chip DSP 51; Temp probe signal amplifies modulate circuit 57 supplied with digital signal process chip DSP 51 through temperature signal.
Each control module of the present invention both can work alone separately separately, can arrange in pairs or groups arbitrarily again, formed a multi-functional electric cleaner power-supply controller of electric.When high voltage pulse control module, the high voltage control module collocation of three-phase basis, form the pulsed high-voltage source controller based on three-phase basis high pressure.When high voltage pulse control module, three-phase basis high voltage control module, the collocation of low pressure rapping heating control module, form the high-low pressure integratedization controller based on the pulsed high voltage generator of three-phase basis high pressure, band electric field electromagnetic rapping, motor rapping and electric heating control function.When high voltage pulse control module, the high voltage control module collocation of conventional single-phase basis, form the pulsed high-voltage source controller based on conventional single-phase basis high pressure.When high voltage pulse control module, conventional single-phase basis high voltage control module, the collocation of low pressure rapping heating control module, form the high-low pressure integratedization controller based on the pulsed high voltage generator of conventional single-phase basis high pressure, band electric field electromagnetic rapping, motor rapping and electric heating control function.High voltage pulse control module, conventional single-phase basis high voltage control module, low pressure rapping heating control module all have the optical fiber input interface and optical fiber output interface that can customize, can in hardware mutually without time delay interlocked control between each module.Control module design ethernet interface, can intercourse controling parameters and service data between each module, control with software mode reciprocal interlocking.Control module is designed with hardware mode mutually without the interlocked control of time delay interlocked control and communication software mode simultaneously, as the control of Electric Field in ESP spark flashover, rapping off power control etc.
The present invention adopts spark flashover to detect redundancy, Electric Field in ESP spark flashover interlocked control mode, when the inner flashing flashover of Electric Field in ESP, high voltage pulse control module, three-phase basis high voltage control module etc. participates in the testing process of spark flashover signal simultaneously, and electric cleaner high voltage source controller realizes spark flashover detection technique redundant configuration.
The present invention adopts spark flashover to control interlocking technology, when arbitrary module detects spark flashover signal by the change of secondary current peak value, the High voltage output that interlocking signal blocks other control modules is exported immediately by optical fiber, simultaneously by ethernet communication mode, the spark parameters of electric field is sent to other modules, the controling parameters of high pressure after calculating spark flashover.
The present invention adopts high voltage source rapping off power control technology and high voltage source low-voltage peak value rapping control technology, and electric cleaner need, by rapping, make the collection dust on dust collecting pole plate fall into ash bucket; When rapping, low pressure rapping heating control module exports interlocking signal by optical fiber, the High voltage output of high voltage pulse control module, basic high voltage control module shuts down high voltage source, or reduce the High voltage output of basic high voltage source, turn off the high voltage pulse output of pulsed high voltage generator, the Coulomb force of Electric Field in ESP internal high pressure electrostatic is significantly reduced, significantly improves vibration dust-cleaning effect.
Claims (1)
1. an electric precipitation pulsed high-voltage source controller, is characterized in that being provided with high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module, ethernet router, man-machine interface operation display terminal module; Communicated by ethernet router between high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module, high voltage pulse control module, three-phase basis high voltage control module, low pressure rapping heating control module operate display terminal module by ethernet router and man-machine interface and carry out data communication exchange; The optical fiber of high voltage pulse control module sends mouth and is connected with the optical fiber receiving port of three-phase basis high voltage control module and low pressure rapping heating control module respectively, the optical fiber of three-phase basis high voltage control module sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module and low pressure rapping heating control module respectively, and the optical fiber of low pressure rapping heating control module sends mouth and is connected with the optical fiber receiving port of high voltage pulse control module and three-phase basis high voltage control module respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510124500.0A CN104759352A (en) | 2015-03-20 | 2015-03-20 | Electric precipitation pulse high voltage supply controller |
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| CN201510124500.0A CN104759352A (en) | 2015-03-20 | 2015-03-20 | Electric precipitation pulse high voltage supply controller |
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| CN104759352A true CN104759352A (en) | 2015-07-08 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116833A (en) * | 2015-08-19 | 2015-12-02 | 中国科学院合肥物质科学研究院 | Ultra high voltage power supply measurement and control system based on dual-redundancy policy and method |
| CN106301015A (en) * | 2016-08-18 | 2017-01-04 | 浙江菲达环保科技股份有限公司 | Power control system for electric cleaner |
| CN115166454A (en) * | 2022-07-18 | 2022-10-11 | 天津大学 | PCB flashover characteristic test system and method under transient overvoltage |
| CN114904655B (en) * | 2022-05-07 | 2023-12-19 | 福建龙净环保股份有限公司 | Single electric field energy-saving control method and device |
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| WO1995022116A1 (en) * | 1994-02-15 | 1995-08-17 | Sundstrand Corporation | Fast responding method and apparatus for three phase a/c voltage sensing |
| CN102139244A (en) * | 2011-02-16 | 2011-08-03 | 王红星 | High frequency power supply for electric dust removal |
| CN203155384U (en) * | 2013-03-28 | 2013-08-28 | 北京时代山源自动化控制技术有限公司 | High-frequency high-voltage power cabinet of electrostatic dust collector |
| CN103611632A (en) * | 2013-12-11 | 2014-03-05 | 江苏科技大学 | High-frequency and high-voltage electrostatic precipitation power supply |
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2015
- 2015-03-20 CN CN201510124500.0A patent/CN104759352A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63718A (en) * | 1986-06-12 | 1988-01-05 | レイボルド アクティエンゲゼルシャフト | Current supply apparatus |
| WO1995022116A1 (en) * | 1994-02-15 | 1995-08-17 | Sundstrand Corporation | Fast responding method and apparatus for three phase a/c voltage sensing |
| CN102139244A (en) * | 2011-02-16 | 2011-08-03 | 王红星 | High frequency power supply for electric dust removal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105116833A (en) * | 2015-08-19 | 2015-12-02 | 中国科学院合肥物质科学研究院 | Ultra high voltage power supply measurement and control system based on dual-redundancy policy and method |
| CN105116833B (en) * | 2015-08-19 | 2018-02-16 | 中国科学院合肥物质科学研究院 | A kind of EHT supply TT＆C system and method based on dual-computer redundancy strategy |
| CN106301015A (en) * | 2016-08-18 | 2017-01-04 | 浙江菲达环保科技股份有限公司 | Power control system for electric cleaner |
| CN106301015B (en) * | 2016-08-18 | 2019-07-02 | 浙江菲达电气工程有限公司 | Power control system for electric precipitator |
| CN114904655B (en) * | 2022-05-07 | 2023-12-19 | 福建龙净环保股份有限公司 | Single electric field energy-saving control method and device |
| CN115166454A (en) * | 2022-07-18 | 2022-10-11 | 天津大学 | PCB flashover characteristic test system and method under transient overvoltage |
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