CN203261240U - High-frequency high-voltage soft stabilizing power supply used for electrostatic dust collector - Google Patents
High-frequency high-voltage soft stabilizing power supply used for electrostatic dust collector Download PDFInfo
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- CN203261240U CN203261240U CN 201320300823 CN201320300823U CN203261240U CN 203261240 U CN203261240 U CN 203261240U CN 201320300823 CN201320300823 CN 201320300823 CN 201320300823 U CN201320300823 U CN 201320300823U CN 203261240 U CN203261240 U CN 203261240U
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- 239000000428 dust Substances 0.000 title abstract description 6
- 230000000087 stabilizing effect Effects 0.000 title abstract description 5
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 13
- 239000012717 electrostatic precipitator Substances 0.000 claims description 10
- 239000004568 cement Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 238000003889 chemical engineering Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 239000003517 fume Substances 0.000 abstract 1
- 238000001914 filtration Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
A high-frequency high-voltage soft stabilizing power supply used for an electrostatic dust collector is composed of a breaker, an electric reactor, a contactor, a rectifier, a filter, a full bridge inverter, a high-frequency transformer, a voltage doubling rectifying circuit, an auxiliary power supply, a cooling blower, a soft-start circuit, a temperature detection circuit, a pulse driving protection circuit, a DSP control circuit, a sampling reactive circuit and a 485 communication circuit. The high-frequency high-voltage soft stabilizing power supply used for the electrostatic dust collector has good characteristics in soft stabilizing, and can be widely used in fume and dust treatment in industries of electric power, metallurgy, chemical engineering, cement and the like.
Description
Technical field
The utility model relates to electrostatic precipitator, is specifically related to a kind of electrostatic precipitator soft voltage-stabilizing power supply of high-frequency and high-voltage.
Background technology
Electrostatic precipitator is common cleaner during industrial dust is processed, its know-why is to adopt transformer with (50 hertz of general industry electricity consumptions, 380 volts) or civilian electricity (50 hertz, the 220 volts) pulsating direct current that directly boosts to volt rectifications up to ten thousand and obtain hardware features be used for the power supply of electrostatic precipitator.Because the characteristic of its power supply can not efficiently be utilized the electric field energy of electrostatic precipitator, major part all is wasted.
Summary of the invention
The purpose of this utility model is to provide a kind of electrostatic precipitator soft voltage-stabilizing power supply of high-frequency and high-voltage that can efficiently utilize electric field energy.
The technical scheme that realizes the utility model purpose is: a kind of electrostatic precipitator soft voltage-stabilizing power supply of high-frequency and high-voltage, and it comprises circuit breaker, reactor, contactor, rectifier, filter, full-bridge inverter, high frequency transformer, voltage doubling rectifing circuit, accessory power supply, cooling blower, soft starting circuit, temperature sensing circuit, pulsed drive protective circuit, sampling feedback circuit, DSP control circuit, 485 communicating circuits; Described circuit breaker, reactor, contactor, rectifier, filter, full-bridge inverter, high frequency transformer, voltage doubling rectifing circuit are connected successively, and the output of its voltage doubling rectifing circuit connects the input of load and sampling feedback circuit; The output of sampling feedback circuit is connected with the input of DSP control circuit; DSP control circuit output is connected with the control end of cooling blower, contactor, and the communication signal end of DSP control circuit is connected with the signal end of 485 communicating circuits; The input of described temperature sensing circuit is connected with the signal end of full-bridge inverter, high frequency transformer; The output of temperature sensing circuit is connected with the input of DSP control circuit; The output of described pulsed drive protective circuit is connected with the input of full-bridge inverter, and the input of pulsed drive protective circuit is connected with the output of DSP control circuit; The input of described rectifier is connected with the output of soft starting circuit, and the input of soft starting circuit is connected with the output of DSP control circuit; The input of accessory power supply links to each other with the output of circuit breaker; Described cooling blower, soft starting circuit, temperature sensing circuit, pulsed drive protective circuit, sampling feedback circuit, 485 communicating circuits, DSP control circuit are connected with the output of described accessory power supply respectively.
This electrostatic precipitator with the soft voltage-stabilizing power supply of high-frequency and high-voltage have that volume is little, lightweight, integral structure manufacturing, stable direct current output, adaptability for working condition are strong, power is in the best characteristics such as soft operating state all the time with load variations, power supply, can be widely used in the smoke and dust treatment of the industries such as electric power, metallurgy, chemical industry, cement.
Description of drawings
Accompanying drawing 1 is theory diagram of the present utility model.
Among Fig. 1,1, circuit breaker, 2, reactor; 3, contactor, 4, rectifier, 5, filter; 6, full-bridge inverter, 7, high frequency transformer, 8, voltage doubling rectifing circuit; 9, load, 10, accessory power supply, 11, cooling blower; 12,485 communicating circuits, 13, soft starting circuit, 14, temperature sensing circuit; 15, pulsed drive protective circuit, 16, the DSP control circuit, 17, sampling feedback circuit.
Embodiment
By reference to the accompanying drawings embodiment of the present utility model is described.
In Fig. 1, circuit breaker 1, reactor 2, contactor 3, rectifier 4, filter 5, full-bridge inverter 6, high frequency transformer 7, voltage doubling rectifing circuit 8 is connected successively, the output of its voltage doubling rectifing circuit 8 connects load 9,380 volt of 50 hz AC voltage of three-phase is through circuit breaker 1, reactor 2, contactor 3 is delivered to rectifier 4 inputs, obtain 530 volts of direct voltages at rectifier 4 outputs, press through obtaining 530 volts of galvanic currents behind the filter 5 filtering high-frequency harmonics, then through full-bridge inverter 6 530 volts of dc voltage conversions being become frequency is that 40 KHz are 530 volts sinusoidal voltage to 80 KHz peak values, boost and voltage doubling rectifing circuit 8 rectifications through high frequency transformer 7 again, obtain 70-100 kilovolt stable DC voltage and give load 9.The output of voltage doubling rectifing circuit 8 connects the input of sampling feedback circuit 17; the output of sampling feedback circuit 17 is connected with the input of DSP control circuit 16; sampling feedback circuit 17 collects electric current and the voltage signal of reaction load working condition from the output of voltage doubling rectifing circuit 8; through amplitude limit; filtering; deliver to DSP control circuit 16 after the isolation; DSP control circuit 16 is judged the operating mode of load according to the variation of load voltage and electric current and load variations is followed the tracks of; automatic regulation output watt level; output voltage is always worked in below the flashover voltage, detect simultaneously load short circuits; flashover; open fault also sends corresponding signal and protects.DSP control circuit 16 outputs are connected with the control end of cooling blower 11, contactor 3, when the temperature of full-bridge inverter 6 and high frequency transformer 7 reaches set point, DSP control circuit 16 sends control signal and starts cooling blower 11 and dispel the heat, and DSP control circuit 16 sends the startup of signal controlling contactor 3 and stops when fault-signal being arranged and starting stop signal.The communication signal end of DSP control circuit 16 is connected with the signal end of 485 communicating circuits 12, the working condition that power supply is current is connected 485 communicating circuits 12 and is sent the host computer demonstration being connected of outer remote supervisory control system to parameter, accept simultaneously and carry out the various control commands that host computer sends.The input of temperature sensing circuit 14 is connected with the signal end of full-bridge inverter 6, high frequency transformer 7; the output of temperature sensing circuit 14 is connected with the input of DSP control circuit 16; the temperature signal that DSP control circuit 16 collects according to temperature sensing circuit 14 is controlled the temperature rise of full-bridge inverter 6 and high frequency transformer 7, carries out overtemperature protection and send the overtemperature alarm signal when temperature surpasses upper limit set value.The output of pulsed drive protective circuit 15 is connected with the input of full-bridge inverter 6; the input of pulsed drive protective circuit 15 is connected with the output of DSP control circuit 16, and the control impuls that DSP control circuit 16 sends is by the amplification of pulsed drive protective circuit 15, the power output size of shaping rear drive full-bridge inverter 6.The input of rectifier 4 is connected with the output of soft starting circuit 13, the input of soft starting circuit 13 is connected with the output of DSP control circuit 16, when starting the soft voltage-stabilizing power supply of high-frequency and high-voltage, the starting current when DSP control circuit 16 control soft starting circuits 13 make the voltage rising of rectifier 4 outputs reduce to start shooting.The input of accessory power supply 10 links to each other with the output of circuit breaker 1; cooling blower 11, soft starting circuit 13, temperature sensing circuit 14, pulsed drive protective circuit 15, sampling feedback circuit 17,485 communicating circuits 12, DSP control circuit 16 are connected with the output of described accessory power supply 10 respectively; accessory power supply 10 is obtained power supply from the output of circuit breaker 1, provides the control power supply through giving each circuit after step-down, rectification, filtering, the voltage stabilizing.
Claims (1)
1. an electrostatic precipitator is with the soft voltage-stabilizing power supply of high-frequency and high-voltage, and it is characterized in that: it comprises circuit breaker, reactor, contactor, rectifier, filter, full-bridge inverter, high frequency transformer, voltage doubling rectifing circuit, accessory power supply, cooling blower, soft starting circuit, temperature sensing circuit, pulsed drive protective circuit, sampling feedback circuit, DSP control circuit, 485 communicating circuits; Described circuit breaker, reactor, contactor, rectifier, filter, full-bridge inverter, high frequency transformer, voltage doubling rectifing circuit are connected successively, and the output of its voltage doubling rectifing circuit connects the input of load and sampling feedback circuit; The output of sampling feedback circuit is connected with the input of DSP control circuit; DSP control circuit output is connected with the control end of cooling blower, contactor, and the communication signal end of DSP control circuit is connected with the signal end of 485 communicating circuits; The input of described temperature sensing circuit is connected with the signal end of full-bridge inverter, high frequency transformer; The output of temperature sensing circuit is connected with the input of DSP control circuit; The output of described pulsed drive protective circuit is connected with the input of full-bridge inverter, and the input of pulsed drive protective circuit is connected with the output of DSP control circuit; The input of described rectifier is connected with the output of soft starting circuit, and the input of soft starting circuit is connected with the output of DSP control circuit; The input of accessory power supply links to each other with the output of circuit breaker; Described cooling blower, soft starting circuit, temperature sensing circuit, pulsed drive protective circuit, sampling feedback circuit, 485 communicating circuits, DSP control circuit are connected with the output of described accessory power supply respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320300823 CN203261240U (en) | 2013-05-29 | 2013-05-29 | High-frequency high-voltage soft stabilizing power supply used for electrostatic dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320300823 CN203261240U (en) | 2013-05-29 | 2013-05-29 | High-frequency high-voltage soft stabilizing power supply used for electrostatic dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203261240U true CN203261240U (en) | 2013-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320300823 Expired - Fee Related CN203261240U (en) | 2013-05-29 | 2013-05-29 | High-frequency high-voltage soft stabilizing power supply used for electrostatic dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203261240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048857A (en) * | 2015-07-22 | 2015-11-11 | 西安交通大学 | Soft start and closed-loop control method of pulse generating circuit |
| CN105080722A (en) * | 2015-07-22 | 2015-11-25 | 西安交通大学 | Anti-interference direct-current pulse power source for electrostatic dust collection |
| CN111245258A (en) * | 2020-02-28 | 2020-06-05 | 秦皇岛市桑格电气控制设备有限公司 | Positive and negative dual-output direct-current power supply for environmental protection |
-
2013
- 2013-05-29 CN CN 201320300823 patent/CN203261240U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048857A (en) * | 2015-07-22 | 2015-11-11 | 西安交通大学 | Soft start and closed-loop control method of pulse generating circuit |
| CN105080722A (en) * | 2015-07-22 | 2015-11-25 | 西安交通大学 | Anti-interference direct-current pulse power source for electrostatic dust collection |
| CN105080722B (en) * | 2015-07-22 | 2017-06-06 | 西安交通大学 | Can jamproof electrostatic precipitation direct current pulse power source |
| CN111245258A (en) * | 2020-02-28 | 2020-06-05 | 秦皇岛市桑格电气控制设备有限公司 | Positive and negative dual-output direct-current power supply for environmental protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131030 Termination date: 20190529 |
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| CF01 | Termination of patent right due to non-payment of annual fee |