CN204669243U - The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage - Google Patents
The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage Download PDFInfo
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- CN204669243U CN204669243U CN201520433756.5U CN201520433756U CN204669243U CN 204669243 U CN204669243 U CN 204669243U CN 201520433756 U CN201520433756 U CN 201520433756U CN 204669243 U CN204669243 U CN 204669243U
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- 239000012717 electrostatic precipitator Substances 0.000 title claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 239000000428 dust Substances 0.000 abstract description 4
- 239000004568 cement Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 abstract description 2
- 239000000126 substance Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses the soft voltage-stabilizing power supply of a kind of electrostatic precipitator high-frequency and high-voltage, be made up of circuit breaker, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, full-bridge inverter, high frequency transformer, high-voltage rectifier, control transformer, accessory power supply, cooling fan, full-bridge rectification drive plate, temperature sensing circuit, drive plate, digitial controller and electric current and voltage sample circuit.The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage of the present utility model has good soft steady characteristic, can the smoke and dust treatment of the industry such as extensive use and electric power, metallurgy, chemical industry, cement.
Description
Technical field
The utility model relates to electrostatic precipitator, is specifically related to the soft voltage-stabilizing power supply of a kind of electrostatic precipitator electrostatic precipitator high-frequency and high-voltage.
Background technology
Electrostatic precipitator removes in industrial products production process to discharge the common cleaner of a large amount of dust.The power supply mainly thyristor high-voltage silicon commutating power supply that current electric cleaner uses, its know-why adopts Industrial Frequency Transformer by general industry electricity consumption (50 hertz, 380 volts) or civilian electricity (50 hertz, 220 volts) directly boost to volt rectification up to ten thousand and obtain the pulsating direct current of hardware features, because its power factor and Xiao Shuai the fluctuation of Di ﹑ output secondary voltage greatly, when flashover occurs, the blow-out time is long, has a strong impact on dust removing effects.
Utility model content
The utility model aim to provide a kind of can the soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage of efficiency utilization electric field energy.
The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage of the present utility model, comprises circuit breaker, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, full-bridge inverter, high frequency transformer, high-voltage rectifier, accessory power supply, cooling fan, full-bridge rectification drive plate, temperature sensing circuit, drive plate, electric current and voltage sample circuit, control transformer and digitial controller; Described circuit breaker, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, full-bridge inverter, high frequency transformer, high-voltage rectifier are connected successively, and the output of described high-voltage rectifier connects the input of load and electric current and voltage sample circuit; The described output of electric current and voltage sample circuit is connected with the input of digitial controller; Digitial controller output is connected with cooling fan, contactor, full-bridge rectification drive plate and drive plate respectively; The input of described temperature sensing circuit is connected with the signal end of full-bridge inverter, high frequency transformer respectively; The output of described temperature sensing circuit is connected with the input of digitial controller; The output of described drive plate is connected with the input of full-bridge inverter, and the input of drive plate is connected with the output of digitial controller; The control end of described three-phase bridge rectification circuit is connected with the output of full-bridge rectification drive plate, and the input of full-bridge rectification drive plate is connected with the output of digitial controller; The input of described control transformer is connected with the output of circuit breaker; The output of described control transformer is connected with the input of accessory power supply; Described full-bridge rectification drive plate, temperature sensing circuit, drive plate, electric current and voltage sample circuit, digitial controller are connected with the output of described accessory power supply respectively.
Optionally, described full-bridge inverter is IGBT full-bridge inverter.
Optionally, described drive plate is IGBT drive plate.
Optionally, described controller is DSP digitial controller.
The soft voltage-stabilizing power supply of electrostatic precipitator amplitude modulation high-frequency and high-voltage of the present utility model has that volume is little, lightweight, integral structure manufacture, stable direct current exports, adaptability for working condition is strong, power is in the advantages such as best soft operating state all the time with load variations, power supply, can the smoke and dust treatment of the industry such as extensive use and electric power, metallurgy, chemical industry, cement.
Accompanying drawing explanation
Fig. 1 is the structural representation of the soft voltage-stabilizing power supply of the utility model electrostatic precipitator high-frequency and high-voltage.
Be labeled as in figure: 1-circuit breaker; 2-contactor; 3-Three-phase electric-wave filter; 4-three phase controlled rectifier circuit; 5-filter capacitor; 6-IGBT full-bridge inverter; 7-high frequency transformer; 8-high-voltage rectifier; 9-load; 10-control transformer; 11-accessory power supply; 12-full-bridge rectification drive plate; 13-IGBT drive plate; 14-temperature sensing circuit; 15-electric current and voltage sample circuit; 16-cooling fan; 17-DSP digitial controller.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
See Fig. 1, circuit breaker 1, contactor 2, Three-phase electric-wave filter 3, three phase controlled rectifier circuit 4, filter capacitor 5, IGBT full-bridge inverter 6, high frequency transformer 7, high-voltage rectifier 8 is connected successively, the output of its high-voltage rectifier 8 connects load 9, three-phase 380 volt of 50 hz AC voltage is through circuit breaker 1, contactor 2, Three-phase electric-wave filter 3 delivers to the input of three phase controlled rectifier circuit 4, 530 volts of direct voltages are obtained at the output of three phase controlled rectifier circuit 4, 530 volts of galvanic current pressures are obtained after filtering after electric capacity 5 filtering, then becoming frequency to be 20 KHz 530 volts of DC voltage conversions through IGBT full-bridge inverter 6 is the sinusoidal voltage of 530 volts to 60 KHz peak values, boost and high-voltage rectifier 8 rectification through high frequency transformer 7 again, obtain 70-100 kilovolt stable DC voltage and give load 9.The output of high-voltage rectifier 8 connects the input of electric current and voltage sample circuit 15, the output of electric current and voltage sample circuit 15 is connected with the input of DSP digitial controller 17, electric current and voltage sample circuit 15 collects electric current and the voltage signal of reaction load working condition from the output of high-voltage rectifier 8, through amplitude limit, second-order filter, DSP digitial controller 17 is delivered to after isolation, DSP digitial controller 17 is judged the operating mode of load according to the change of load voltage and electric current and follows the tracks of load variations, automatic regulation output watt level, output voltage is made to always work in below flashover voltage, detect load short circuits simultaneously, flashover, open fault also sends corresponding signal and protects.DSP digitial controller 17 output is connected with cooling fan 16, contactor 2, when the temperature of IGBT full-bridge inverter 6 and high frequency transformer 7 reaches set point, DSP digitial controller 17 sends control signal startup cooling fan 16 and dispels the heat, and when having fault-signal and start stop signal, DSP digitial controller 17 sends startup and the stopping of signal controlling contactor.485 PORT COM of DSP digitial controller 17 are connected with host computer (not shown), working condition current for power supply and parameter are sent to host computer display, accept simultaneously and perform the various control commands that host computer sends.The input of temperature sensing circuit 14 is connected with the signal end of IGBT full-bridge inverter 6, high frequency transformer 7; the output of temperature sensing circuit 14 is connected with the input of DSP digitial controller 17; the temperature rise of the temperature signal control IGBT full-bridge inverter 6 that DSP digitial controller 17 collects according to temperature sensing circuit 14 and high frequency transformer 7, carries out overtemperature protection and sends overtemperature alarm signal when temperature exceedes upper limit set value.The output of IGBT drive plate 13 is connected with the input of IGBT full-bridge inverter 6, the input of IGBT drive plate 13 is connected with the output of DSP digitial controller 17, the amplification of the control impuls that DSP digitial controller 17 sends by IGBT drive plate 13, the power output size of shaping rear drive IGBT full-bridge inverter 6.The input of three phase controlled rectifier circuit 4 is connected with the output of DSP digitial controller 17, and output voltage, current signal carry out PID arithmetic by DSP digitial controller 17, controls the size of three phase controlled rectifier circuit 4 output voltage according to operation result.Control transformer 10 input is connected with the output of circuit breaker 1, temperature sensing circuit 14, IGBT drive plate 13, full-bridge rectification drive plate 12, electric current and voltage sample circuit 15, DSP digitial controller 17 are connected with the output of described accessory power supply 11 respectively, accessory power supply 11 obtains power supply from the end that goes out of control transformer 10, provides control power supply to after step-down, rectification, filtering, voltage stabilizing each circuit.
Circuit breaker in present embodiment, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, IGBT full-bridge inverter, high frequency transformer, high-voltage rectifier, load, control transformer, accessory power supply, full-bridge rectification drive plate, IGBT drive plate, temperature sensing circuit, electric current and voltage sample circuit, cooling fan and DSP digitial controller are common structure of the prior art, therefore are not repeating at this.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (4)
1. the soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage, is characterized in that: comprise circuit breaker, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, full-bridge inverter, high frequency transformer, high-voltage rectifier, accessory power supply, cooling fan, full-bridge rectification drive plate, temperature sensing circuit, drive plate, electric current and voltage sample circuit, control transformer and digitial controller; Described circuit breaker, contactor, Three-phase electric-wave filter, three phase controlled rectifier circuit, filter capacitor, full-bridge inverter, high frequency transformer, high-voltage rectifier are connected successively, and the output of described high-voltage rectifier connects the input of load and electric current and voltage sample circuit; The described output of electric current and voltage sample circuit is connected with the input of digitial controller; Digitial controller output is connected with cooling fan, contactor, full-bridge rectification drive plate and drive plate respectively; The input of described temperature sensing circuit is connected with the signal end of full-bridge inverter, high frequency transformer respectively; The output of described temperature sensing circuit is connected with the input of digitial controller; The output of described drive plate is connected with the input of full-bridge inverter, and the input of drive plate is connected with the output of digitial controller; The control end of described three-phase bridge rectification circuit is connected with the output of full-bridge rectification drive plate, and the input of full-bridge rectification drive plate is connected with the output of digitial controller; The input of described control transformer is connected with the output of circuit breaker; The output of described control transformer is connected with the input of accessory power supply; Described full-bridge rectification drive plate, temperature sensing circuit, drive plate, electric current and voltage sample circuit, digitial controller are connected with the output of described accessory power supply respectively.
2. the soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage according to claim 1, it is characterized in that, described full-bridge inverter is IGBT full-bridge inverter.
3. the soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage according to claim 1, it is characterized in that, described drive plate is IGBT drive plate.
4. the soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage according to any one of claim 1-3, is characterized in that, described controller is DSP digitial controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520433756.5U CN204669243U (en) | 2015-06-23 | 2015-06-23 | The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520433756.5U CN204669243U (en) | 2015-06-23 | 2015-06-23 | The soft voltage-stabilizing power supply of electrostatic precipitator high-frequency and high-voltage |
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| CN204669243U true CN204669243U (en) | 2015-09-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102286A (en) * | 2016-08-30 | 2016-11-09 | 成都英格瑞德电气有限公司 | Constant-current dimmer based on EMC filtering soft start |
| CN106332418A (en) * | 2016-08-30 | 2017-01-11 | 成都英格瑞德电气有限公司 | Sinusoidal wave dimmer module based on PFC (Power Factor Correction) rectifier energy storage |
| CN114362105A (en) * | 2022-01-12 | 2022-04-15 | 苏州清越光电科技股份有限公司 | Prevent overheated high-power frequency conversion equipment |
-
2015
- 2015-06-23 CN CN201520433756.5U patent/CN204669243U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106102286A (en) * | 2016-08-30 | 2016-11-09 | 成都英格瑞德电气有限公司 | Constant-current dimmer based on EMC filtering soft start |
| CN106332418A (en) * | 2016-08-30 | 2017-01-11 | 成都英格瑞德电气有限公司 | Sinusoidal wave dimmer module based on PFC (Power Factor Correction) rectifier energy storage |
| CN114362105A (en) * | 2022-01-12 | 2022-04-15 | 苏州清越光电科技股份有限公司 | Prevent overheated high-power frequency conversion equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Chunxiang Inventor after: Zhang Fanzhen Inventor after: You Kuiyu Inventor after: Guan Changshan Inventor after: Su Xinghong Inventor before: Li Chunxiang |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180611 Address after: 066004 South Da temple, seaport area, Qinhuangdao, Hebei Patentee after: Qinhuangdao Sangge Electric Control Equipment Co., Ltd. Address before: 161000 10 groups of South Garden community, Zhiteng street, Tiefeng District, Qigihar, Heilongjiang Patentee before: Li Chunxiang |
|
| TR01 | Transfer of patent right |