CN203437214U - Three-phase high voltage power supply control system for electrostatic precipitator - Google Patents
Three-phase high voltage power supply control system for electrostatic precipitator Download PDFInfo
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- CN203437214U CN203437214U CN201320509648.2U CN201320509648U CN203437214U CN 203437214 U CN203437214 U CN 203437214U CN 201320509648 U CN201320509648 U CN 201320509648U CN 203437214 U CN203437214 U CN 203437214U
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- controllable silicon
- electrostatic precipitator
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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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Abstract
The utility model provides a three-phase high voltage power supply control system for an electrostatic precipitator. The three-phase high voltage power supply control system comprises a first SCM (single-chip microcomputer), a second SCM, a first SCR (silicon controlled rectifier), a second SCR, a third SCR, a silicon rectifier boosting transformer, a transformer sampling plate and the electrostatic precipitator, wherein an A end of a three-phase alternating current is connected with the first SCR, a B end of the three-phase alternating current is connected with the second SCR, and a C end of the three-phase alternating current is connected with the third SCR; the ends A, B and C of the three-phase alternating current are respectively connected into a synchronous control unit in parallel and connected into the first SCM through the synchronous control unit; the first SCM is connected into the second SCM through a communication interface; the other end of each of the first SCR, second SCR and third SCR is connected with the silicon rectifier boosting transformer; the silicon rectifier boosting transformer is also connected with the transformer sampling plate; and the transformer sampling plate is also connected with the electromagnetic precipitator and the second SCM.
Description
Technical field
The utility model relates to automation control area, relates in particular to a kind of three-phase high-voltage power control system of the electrostatic precipitator based on RS485 communication.
Background technology
At present, the design of three-phase high-voltage power control system for electrostatic precipitator, adopts following two schemes conventionally.Scheme 1, adopts a SCM system to realize all control tasks; Shortcomings: due to the resource limitation of a SCM system cause arithmetic speed not, control accuracy is not high, simultaneously because of peripheral interface complexity cause fault high, manufacture debugging maintenance inconvenience.Scheme 2, adopts two SCM systems, and a single-chip microcomputer is responsible for 6 tunnel pulse-triggered, a chip microcontroller Comprehensive Control, the interface modes of employing " one to one " between two SCM systems; Shortcomings, the interface between two SCM systems is too complicated, takies a large amount of hardware resources, cause fault high, safeguard inconvenience.
Utility model content
The utility model is intended at least solve the technical problem existing in prior art, has proposed to special innovation a kind of three-phase high-voltage power control system for electrostatic precipitator.
In order to realize above-mentioned purpose of the present utility model, the utility model provides a kind of three-phase high-voltage power control system for electrostatic precipitator, its key is, comprising: the first single-chip microcomputer, second singlechip, the first controllable silicon, the second controllable silicon, the 3rd controllable silicon, silicon rectifier step-up transformer, transformer sampling plate and electrostatic precipitator;
Three-phase alternating current A end connects the first controllable silicon, three-phase alternating current B end connects the second controllable silicon, three-phase alternating current C end connects the 3rd controllable silicon, described three-phase alternating current A, B, C end is access synchronous control unit in parallel respectively, by synchronous control unit, access the first single-chip microcomputer, described the first single-chip microcomputer connects second singlechip by communication interface, described the first controllable silicon, the second controllable silicon is connected respectively silicon rectifier step-up transformer with the 3rd controllable silicon other end, described silicon rectifier step-up transformer is connection transformer sampling plate also, described transformer sampling plate also connects electrostatic precipitator, described transformer sampling plate also connects second singlechip.
The beneficial effect of technique scheme is: the first single-chip microcomputer is mainly realized controllable silicon Trigger Function.It receives the work order (as angle of flow, intermittent power supply etc.) that second singlechip is sent, then in conjunction with the synchronizing signal collecting, send the train of pulse that meets trigger angle, after hardware circuit power drive and isolation, trigger three groups of antiparallel controllable silicons, thereby realize the function that regulates silicon rectifier step-up transformer primary voltage.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, also comprise: first signal conditioning unit and secondary signal conditioning unit;
Described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are connected respectively first signal conditioning unit, after three-phase alternating current is triggered by described controllable silicon, by first signal conditioning unit, carry out signal condition, described first signal conditioning unit also connects the first single-chip microcomputer;
Described transformer sampling plate also connects secondary signal conditioning unit, by secondary signal conditioning unit, carries out signal condition, and described secondary signal conditioning unit connects second singlechip.
The beneficial effect of technique scheme is: by first signal conditioning unit and secondary signal conditioning unit, undertaken signal being transferred to respectively to the first single-chip microcomputer after signal condition and second singlechip carries out work.
The described three-phase high-voltage power control system for electrostatic precipitator, preferably, also comprise: touch-screen, described touch-screen connects second singlechip, by touch-screen, realize good in interactive function, and arrange, show that relevant parameter realizes the corresponding control requirement of three-phase high-voltage power supply.
The beneficial effect of technique scheme is: the touch-screen that good in interactive function is controlled by second singlechip is realized, and arranges, shows relevant parameter and realize various control requirements.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, described second singlechip also connects main contactor, fault alarm by communication interface, realizes the input collection of safety interlocking, rapping signal, KM signal.
The beneficial effect of technique scheme is: be communication slave, DCS system is host computer communication, also adopts MODBUS communications protocol.Second singlechip also realizes the input collection of safety interlocking, rapping signal, KM signal etc. simultaneously and the output of main contactor, fault alarm etc. is controlled.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, also comprise: high voltage isolator, described high voltage isolator connects described electrostatic precipitator, and electrostatic precipitator is carried out to corresponding high pressure isolated controlling.
The beneficial effect of technique scheme is: by high voltage isolator, electrostatic precipitator is carried out to high pressure isolation, effectively protect electrostatic precipitator.
The described three-phase high-voltage power control system for electrostatic precipitator, preferably, also comprise: pulsed drive and isolated location, described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are also connected pulsed drive and isolated location, and described pulsed drive and isolated location drive and isolation for trigger impulse.
The beneficial effect of technique scheme is: described pulsed drive and isolated location drive and isolation for trigger impulse.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, described communication interface comprises: serial bus communication interfaces.
The beneficial effect of technique scheme is: the communication of serial bus communication interfaces adopts RS485 bus communication.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are:
The first single-chip microcomputer is mainly realized controllable silicon Trigger Function.It receives the work order (as angle of flow, intermittent power supply etc.) that second singlechip is sent, then in conjunction with the synchronizing signal collecting, send the train of pulse that meets trigger angle, after hardware circuit power drive and isolation, trigger three groups of antiparallel controllable silicons, thereby realize the function that regulates silicon rectifier step-up transformer primary voltage.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the three-phase high-voltage power control system schematic diagram for electrostatic precipitator.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
In order to solve the deficiency of background technology simultaneously, the utility model has been succeeded in developing the third scheme, be that a whole set of control system consists of two SCM systems, the first single-chip microcomputer is responsible for three groups of silicon controlleds and is triggered, second singlechip is realized Comprehensive Control, between two SCM systems, adopts RS485 bus to carry out exchanges data.Owing to having adopted serial bus communication, by software, replace hardware capability, hardware configuration is greatly simplified, the reliability of equipment significantly improves.Its theory diagram as shown in Figure 1.
The utility model provides a kind of three-phase high-voltage power control system for electrostatic precipitator, its key is, comprising: the first single-chip microcomputer, second singlechip, the first controllable silicon, the second controllable silicon, the 3rd controllable silicon, silicon rectifier step-up transformer, transformer sampling plate and electrostatic precipitator;
Three-phase alternating current A end connects the first controllable silicon, three-phase alternating current B end connects the second controllable silicon, three-phase alternating current C end connects the 3rd controllable silicon, described three-phase alternating current A, B, C end is access synchronous control unit in parallel respectively, by synchronous control unit, access the first single-chip microcomputer, described the first single-chip microcomputer connects second singlechip by communication interface, described the first controllable silicon, the second controllable silicon is connected respectively silicon rectifier step-up transformer with the 3rd controllable silicon other end, described silicon rectifier step-up transformer is comprised of the first winding and the second winding, the second winding contact resistance R13, described silicon rectifier step-up transformer is connection transformer sampling plate also, described transformer sampling plate is by resistance R 11 variable resistor RV11 in parallel, resistance R 12 variable resistor RV12 in parallel, then ground connection is distinguished in described resistance one end, the described resistance other end connects transformer sampling plate described in second winding one end of described silicon rectifier step-up transformer and also connects electrostatic precipitator, described silicon rectifier step-up transformer second winding one end also connects damping resistance R14 one end, the described damping resistance R14 other end connects electrostatic precipitator, described transformer sampling plate also connects second singlechip.
The beneficial effect of technique scheme is: the first single-chip microcomputer is mainly realized controllable silicon Trigger Function.It receives the work order (as angle of flow, intermittent power supply etc.) that second singlechip is sent, then in conjunction with the synchronizing signal collecting, send the train of pulse that meets trigger angle, after hardware circuit power drive and isolation, trigger three groups of antiparallel controllable silicons, thereby realize the function that regulates silicon rectifier step-up transformer primary voltage.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, also comprise: first signal conditioning unit and secondary signal conditioning unit;
Described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are connected respectively first signal conditioning unit, after three-phase alternating current is triggered by described controllable silicon, by first signal conditioning unit, carry out signal condition, described first signal conditioning unit also connects the first single-chip microcomputer;
Described transformer sampling plate also connects secondary signal conditioning unit, by secondary signal conditioning unit, carries out signal condition, and described secondary signal conditioning unit connects second singlechip.
The beneficial effect of technique scheme is: by first signal conditioning unit and secondary signal conditioning unit, undertaken signal being transferred to respectively to the first single-chip microcomputer after signal condition and second singlechip carries out work.
The described three-phase high-voltage power control system for electrostatic precipitator, preferably, also comprise: touch-screen, described touch-screen connects second singlechip, by touch-screen, realize good in interactive function, and arrange, show that relevant parameter realizes the corresponding control requirement of three-phase high-voltage power supply.
The beneficial effect of technique scheme is: the touch-screen that good in interactive function is controlled by second singlechip is realized, and arranges, shows relevant parameter and realize various control requirements.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, described second singlechip also connects main contactor, fault alarm by communication interface, realizes the input collection of safety interlocking, rapping signal, KM signal.
The beneficial effect of technique scheme is: be communication slave, DCS system is host computer communication, also adopts MODBUS communications protocol.Second singlechip also realizes the input collection of safety interlocking, rapping signal, KM signal etc. simultaneously and the output of main contactor, fault alarm etc. is controlled.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, also comprise: high voltage isolator, described high voltage isolator connects described electrostatic precipitator, and electrostatic precipitator is carried out to corresponding high pressure isolated controlling.
The beneficial effect of technique scheme is: by high voltage isolator, electrostatic precipitator is carried out to high pressure isolation, effectively protect electrostatic precipitator.
The described three-phase high-voltage power control system for electrostatic precipitator, preferably, also comprise: pulsed drive and isolated location, described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are also connected pulsed drive and isolated location, and described pulsed drive and isolated location drive and isolation for trigger impulse.
The beneficial effect of technique scheme is: described pulsed drive and isolated location drive and isolation for trigger impulse.
The described three-phase high-voltage power control system for electrostatic precipitator, preferred, described communication interface comprises: serial bus communication interfaces.
The beneficial effect of technique scheme is: the communication of serial bus communication interfaces adopts RS485 bus communication.
Operation principle is: the first single-chip microcomputer is mainly realized controllable silicon Trigger Function.It receives the work order (as angle of flow, intermittent power supply etc.) that second singlechip is sent, then in conjunction with the synchronizing signal collecting, send the train of pulse that meets trigger angle, after hardware circuit power drive and isolation, trigger three groups of antiparallel controllable silicons, thereby realize the function that regulates silicon rectifier step-up transformer primary voltage.Simultaneously it also gathers the input current of A, B, C three-phase, and by data upload to second singlechip.Second singlechip is mainly realized other integrated control functions such as human-computer dialogue, interior communication (host computer communication, with the first microcontroller communication), outer communication (communication slave, with DCS communication).The touch-screen that good in interactive function is controlled by second singlechip is realized, and arranges, shows relevant parameter and realize various control requirements.Interior communication adopts RS485 bus communication, and second singlechip is host computer communication, and the first single-chip microcomputer is communication slave, adopts MODBUS communications protocol.Outer communication also adopts RS485 bus communication, and second singlechip is communication slave, and DCS system is host computer communication, also adopts MODBUS communications protocol.Second singlechip also realizes the input collection of safety interlocking, rapping signal, KM signal etc. simultaneously and the output of main contactor, fault alarm etc. is controlled.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. the three-phase high-voltage power control system for electrostatic precipitator, it is characterized in that, comprising: the first single-chip microcomputer, second singlechip, the first controllable silicon, the second controllable silicon, the 3rd controllable silicon, silicon rectifier step-up transformer, transformer sampling plate and electrostatic precipitator;
Three-phase alternating current A end connects the first controllable silicon, three-phase alternating current B end connects the second controllable silicon, three-phase alternating current C end connects the 3rd controllable silicon, described three-phase alternating current A, B, C end is access synchronous control unit in parallel respectively, by synchronous control unit, access the first single-chip microcomputer, described the first single-chip microcomputer connects second singlechip by communication interface, described the first controllable silicon, the second controllable silicon is connected respectively silicon rectifier step-up transformer with the 3rd controllable silicon other end, described silicon rectifier step-up transformer is connection transformer sampling plate also, described transformer sampling plate also connects electrostatic precipitator, described transformer sampling plate also connects second singlechip.
2. the three-phase high-voltage power control system for electrostatic precipitator according to claim 1, is characterized in that, also comprises: first signal conditioning unit and secondary signal conditioning unit;
Described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are connected respectively first signal conditioning unit, after three-phase alternating current is triggered by described controllable silicon, by first signal conditioning unit, carry out signal condition, described first signal conditioning unit also connects the first single-chip microcomputer;
Described transformer sampling plate also connects secondary signal conditioning unit, by secondary signal conditioning unit, carries out signal condition, and described secondary signal conditioning unit connects second singlechip.
3. the three-phase high-voltage power control system for electrostatic precipitator according to claim 1, it is characterized in that, also comprise: touch-screen, described touch-screen connects second singlechip, by touch-screen, realize good in interactive function, and arrange, show that relevant parameter realizes the corresponding control requirement of three-phase high-voltage power supply.
4. the three-phase high-voltage power control system for electrostatic precipitator according to claim 1, it is characterized in that, described second singlechip also connects main contactor, fault alarm by communication interface, realizes the input collection of safety interlocking, rapping signal, KM signal.
5. the three-phase high-voltage power control system for electrostatic precipitator according to claim 1, it is characterized in that, also comprise: high voltage isolator, described high voltage isolator connects described electrostatic precipitator, and electrostatic precipitator is carried out to corresponding high pressure isolated controlling.
6. the three-phase high-voltage power control system for electrostatic precipitator according to claim 1, it is characterized in that, also comprise: pulsed drive and isolated location, described the first controllable silicon, the second controllable silicon and the 3rd controllable silicon other end are also connected pulsed drive and isolated location, and described pulsed drive and isolated location drive and isolation for trigger impulse.
7. according to the three-phase high-voltage power control system for electrostatic precipitator described in claim 1 or 4, it is characterized in that, described communication interface comprises: serial bus communication interfaces.
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| CN201320509648.2U CN203437214U (en) | 2013-08-20 | 2013-08-20 | Three-phase high voltage power supply control system for electrostatic precipitator |
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| CN201320509648.2U CN203437214U (en) | 2013-08-20 | 2013-08-20 | Three-phase high voltage power supply control system for electrostatic precipitator |
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| CN201320509648.2U Expired - Fee Related CN203437214U (en) | 2013-08-20 | 2013-08-20 | Three-phase high voltage power supply control system for electrostatic precipitator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818649A (en) * | 2017-11-20 | 2019-05-28 | 上海普锐马电子有限公司 | A kind of static discharge generating device |
| CN109962633A (en) * | 2017-12-25 | 2019-07-02 | 湖北新空电气有限公司 | A kind of high-power dedusting power source of permanent high-frequency and high-voltage of environmental protection |
-
2013
- 2013-08-20 CN CN201320509648.2U patent/CN203437214U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818649A (en) * | 2017-11-20 | 2019-05-28 | 上海普锐马电子有限公司 | A kind of static discharge generating device |
| CN109962633A (en) * | 2017-12-25 | 2019-07-02 | 湖北新空电气有限公司 | A kind of high-power dedusting power source of permanent high-frequency and high-voltage of environmental protection |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150820 |
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| EXPY | Termination of patent right or utility model |