CN106817034A - The power supply device of electrostatic (electric dust) precipitator - Google Patents
The power supply device of electrostatic (electric dust) precipitator Download PDFInfo
- Publication number
- CN106817034A CN106817034A CN201610035267.3A CN201610035267A CN106817034A CN 106817034 A CN106817034 A CN 106817034A CN 201610035267 A CN201610035267 A CN 201610035267A CN 106817034 A CN106817034 A CN 106817034A
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- Prior art keywords
- electrostatic
- precipitator
- dust
- power supply
- supply device
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
-
- 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
Abstract
The present invention discloses a kind of power supply device of electrostatic (electric dust) precipitator.The power supply device of the electrostatic (electric dust) precipitator of an embodiment of the invention includes：Power suppling part, supplies the alternating voltage of commercial frequency；Frequency converter portion, the alternating voltage supplied by the power suppling part is converted into the alternating voltage of intermediate frequency；Filtering part, the intermediate frequency waveform for making to be exported by the frequency converter portion remains constant；Become splenium, the output for making the filtering part is boosted；Rectification applying unit, makes the output of the change splenium boost, and be converted into direct current and be applied to electrostatic (electric dust) precipitator；Dust arrester detecting part, senses the state of the dust arrester；Control unit, the frequency converter portion is controlled based on the signal of the detecting part.
Description
Technical field
The present invention relates to a kind of power supply device of electrostatic (electric dust) precipitator, more particularly to one kind can be by by intermediate frequency
Power supply is supplied to electrostatic (electric dust) precipitator and improves the power supply device of the electrostatic (electric dust) precipitator of dust catching efficiency.
Background technology
Dust arrester be in order to environmental pollution prevent or maintain the cleaning of working space, operating environment changes
Kind, health of operator etc. and the various dusts that will be produced from several work activity or dust are neatly
The device for the treatment of.This dust arrester uses the method using filter or filter screen；Using gravity or inertia
Power, the method for centrifugal force；The method of absorption affinity using electrical property or using water or oil etc. etc. is various
Method.
Generally, electrostatic (electric dust) precipitator is to apply electric charge, and profit to the dust contained in gas using corona discharge
The device that dust is separated and trapped from gas with the effect of electric field.And in thermal power plant, ironmaking
In factory, metalworking industry, cement, gas, sulfuric acid manufacturing process etc. in order to atmosphere pollution prevent with
And valuable material recovery and be widely used.Recently, to the dust concentration discharged and the rule of micro mist dirt
It is scheduled on reinforcement, it is therefore desirable to improve the dust catching efficiency of electrostatic (electric dust) precipitator.
The basic structure of this electrostatic (electric dust) precipitator includes：Sparking electrode, for discharging；Collecting plate, for catching
Collect the powered dust by the electric discharge；Power supply device, for applying a voltage to the electric discharge
Between electrode and collecting plate.The dust catching efficiency of this electrostatic (electric dust) precipitator speed that dust reaches collecting plate it is fast,
Dust-collecting area is big or increases during slow gas velocity.
But, the area of collecting plate is increased to increase dust catching efficiency or speed of gas etc. is reduced
Cost is set to improve or need to increase setting area, so being had difficulties in application.
Therefore, it can consider to improve dust catching efficiency of the power supply device to improve electrostatic (electric dust) precipitator.
[prior art literature]
[patent document]
(patent document 1) Korean granted patent 0575271 (2006.05.02 bulletins)
The content of the invention
Present invention seek to address that above mentioned problem, can supply its object is to provide one kind by by intermediate frequency power supply
The power supply device of the electrostatic (electric dust) precipitator of the dust catching efficiency of electrostatic (electric dust) precipitator is improved to electrostatic (electric dust) precipitator.
The technical problems to be solved by the invention are not limited to above-mentioned technical problem, and those skilled in the art should
Other NM technical problems can be expressly understood that from following records.
According to an embodiment of the invention a kind of electric precipitation for solving technical problem as described above
The power supply device of device, including：Power suppling part, supplies the alternating voltage of commercial frequency；Frequency converter
Portion, the alternating voltage supplied by the power suppling part is converted into the alternating voltage of intermediate frequency；Filtering part,
Intermediate frequency waveform for making to be exported by the frequency converter portion remains constant；Become splenium, for making the filtering
The output boosting in portion；Rectification applying unit, makes the output of the change splenium boost, and be converted into direct current and apply
It is added to electrostatic (electric dust) precipitator；Dust arrester detecting part, senses the state of the dust arrester；Control unit, with the sense
The frequency converter portion is controlled based on the signal in survey portion.
Also, the commercial frequency can be converted into the intermediate frequency of 1000~2000Hz in the frequency converter portion.
And, the rectification applying unit may include the frequency dividing for the voltage for confirming to be used in the dust arrester
Device.
Also, the dust arrester detecting part may include the potentiometer of the voltage for measuring the dust arrester with
And for measuring the galvanometer of electric current.
And, the dust arrester detecting part may include the excitation sensing of the excitation for sensing the dust arrester
Sensor.
Also, the control unit may be configured as performing control as follows：When in the given time by
When the frequency of the excitation sensed in the excitation sensing sensor is for more than standard number,
Control the frequency converter portion that the input of the dust arrester is applied to reduce.
And, the control unit may be configured as performing control as follows：When not sending out in the given time
During the raw excitation, control the frequency converter portion that the input of the dust arrester is applied to improve.
Also, the power supply device of the electrostatic (electric dust) precipitator can also include：Insulation division, it is described for making
The external environment of the noise that causes of excitation occurred in dust arrester and the dust arrester.
Other specific items of the invention are contained in specific embodiment and accompanying drawing.
According to the present invention, the collection of electrostatic (electric dust) precipitator can be improved by the way that the power supply of intermediate frequency is supplied into electrostatic (electric dust) precipitator
Dirt efficiency.
Also, because the dust catching efficiency of electrostatic (electric dust) precipitator is improved, the dust-collecting area needed for making reduces, so that can
It is to reduce the size of electrostatic (electric dust) precipitator and cost-effective.
Brief description of the drawings
Fig. 1 is the module map of the power supply device of electrostatic (electric dust) precipitator according to an embodiment of the invention.
Fig. 2 is a stereogram for example of the power supply device for showing the electrostatic (electric dust) precipitator in Fig. 1.
Fig. 3 is the mount structure of the power supply device of electrostatic (electric dust) precipitator according to another embodiment of the present invention
Figure.
Symbol description
100：The power supply device of electrostatic (electric dust) precipitator
110：Power suppling part 120：Frequency converter portion
130：Filtering part 140：Become splenium
150：Rectification applying unit 160：Dust arrester detecting part
170：Control unit 180：Insulation division
Specific embodiment
Hereinafter, refer to the attached drawing is described in detail to the preferred embodiments of the present invention.With reference to hereinafter
Accompanying drawing and embodiment, can specify advantages of the present invention and feature, also have these implementation method.
But, the present invention can be not limited to embodiments disclosed hereinafter with variform implementation method, this
Inventive embodiment is intended merely to make disclosure of the invention complete, and in order to give technical field of the invention
In have general knowledge personnel intactly introduce the scope of the present invention and provide.The scope of the present invention according to
The scope of claims is defined, and in the specification, identical symbol refers to identical inscape.
Although having used first, second etc. to describe Various Components, inscape and/or part
Term, but these elements, inscape and/or part are not limited to these terms.These terms are only
For distinguishing an element, inscape or part and other elements, inscape or part.Institute
So that the first element, the first inscape or the Part I hereinafter mentioned are thought in technology of the invention
Can also be the second element, the second inscape or Part II in thinking.
The term used in this specification is used for for example, and not limiting the present invention.In this specification,
Odd number type also includes complex number type when being not particularly illustrated in sentence.In specification, " wrapped when mentioning
Include (comprises) " and/or " by ... constitute (made of) " when, inscape, the step mentioned
Suddenly, operation and/or element be not excluded for more than one other inscapes, step, operation and/
Or the presence or additional of element.
When without other definition, all terms (including technical term and the section used in this specification
Technics) with the meaning that there are personnel typically just can be commonly understood by technical field of the invention
Used.Also, it is typically used and there is the term of definition without clearly special in dictionary
In the case of definition, should not ideally or exceedingly be explained.
Hereinafter, with reference to the accompanying drawings and the present invention is described in detail.
Fig. 1 is the module map of the power supply device of the electrostatic (electric dust) precipitator of an embodiment of the invention.And
And, Fig. 2 is a stereogram for example of the power supply device for showing the electrostatic (electric dust) precipitator in Fig. 1.
Reference picture 1 and Fig. 2, the power supply device of the electrostatic (electric dust) precipitator of an embodiment of the invention
Intermediate frequency power supply is supplied to dust arrester 10 by 100, it is possible to including：Power suppling part 110, frequency converter portion
120th, filtering part 130, change splenium 140, rectification applying unit 150, dust arrester detecting part 160, control unit
170th, insulation division 180 etc..
Power suppling part 110 supplies the alternating voltage of commercial frequency.For example, power suppling part 110 can be with
The three phase mains of 60Hz, 460V is provided.This power suppling part 110 can include breaker, EMC/EMI
Wave filter etc., and breaker work when overcurrent is produced, and hindered with EMC/EMI wave filters
Disconnected noise.
The alternating voltage supplied by power suppling part 110 is converted into the alternating current of intermediate frequency in frequency converter portion 120
Pressure.For example, commercial frequency frequency conversion can be converted into the intermediate frequency of 1000~2000Hz in frequency converter portion 120.
Specifically, frequency converter portion 120 be applied to by control voltage and frequency become splenium 140 voltage and
Frequency shift.
Filtering part 130 makes the waveform of the intermediate frequency exported by frequency converter portion maintain predeterminated level.The filtering part
130 can include ripple shaping filter, noninductive reactor, choking-winding (choke coil) so that intermediate frequency
Waveform remains constant.
Becoming splenium 140 makes the output of filtering part boost.Become the exchange that splenium 140 receives intermediate frequency from primary side
Voltage, and in the high voltage of secondary side generation boosting.For example, it can be in 1000~2000Hz to become splenium 140
Frequency band in the intermediate-frequency transformer that works, and for making midfrequent AC voltage with 1：N times increases.
Rectification applying unit 150 makes the output of change splenium 140 boost, and is converted into direct current and is applied to electric collection
Dirt device 10.Specifically, rectification applying unit 150 makes the output of change splenium 140 increase by more than 2 times, and profit
Exchange is converted into direct current with diode.Change can be reduced by the work of this rectification applying unit 150
The size of splenium 140, and improve the excitation generation voltage of electrostatic (electric dust) precipitator 10.By rectification applying unit 150
And after being converted into direct current, be applied to the sparking electrode and collecting plate of electrostatic (electric dust) precipitator 10 and carry out electric collection
Dirt.Also, rectification applying unit 150 can also be including the voltage for confirming to be used in electrostatic (electric dust) precipitator 10
Frequency divider (divider).For example, in order to the use voltage to electrostatic (electric dust) precipitator 10 is checked, Ke Yi
N is connected in parallel in electrostatic (electric dust) precipitator 10：1 frequency divider.
Dust arrester detecting part 170 senses the state of electrostatic (electric dust) precipitator 10.Specifically, dust arrester detecting part 170
The use electric current of electrostatic (electric dust) precipitator 10 can be sensed and voltage, excitation etc. is used.Therefore, dust arrester is sensed
Portion 170 can include the potentiometer and the electric current for measuring electric current of the voltage for measuring dust arrester 10
Meter.Also, dust arrester detecting part 170 can include the excitation sense of the excitation for sensing electrostatic (electric dust) precipitator 10
Survey sensor.
Control unit 180 controls frequency converter portion 120 based on the signal of dust arrester detecting part 170.Example
Such as, control unit 180 is by means of PLC (Programmable Logic Controller, FPGA control
Device processed) program (Program) and work, and using analog signal monitoring electrostatic (electric dust) precipitator 10 in use
Voltage and electric current, and controlled using control signal in PLC the voltage in frequency converter portion 120 with
And frequency modulation is so that the operating current of electrostatic (electric dust) precipitator 10 is worked with constant current.Specifically, control unit 180 can
Perform control as follows：When the electrostatic (electric dust) precipitator for being sensed by means of excitation sensing sensor in the given time
When 10 excitation produces number of times for more than standard number, control frequency converter portion 120 is applied to described with reduction
The input of dust arrester 10.Also, control unit 180 can as follows perform control：When electricity collects in the given time
When not producing excitation in dirt device 10, control frequency converter portion 120 is applied to the dust arrester 10 to improve
Input.
Used as an example, the operating by means of control unit 180 can be carried out as follows：In basic operating,
The excitation (Spark) that is produced in sensing dust arrester 10 and electric arc (Arc) and count (Counting),
When there is more than pre-determined number in the given time, under voltage, the electric current lower than basic operational level
Operating.Hereafter, during being operated with relatively low voltage, electric current, if do not produced in the given time
Raw excitation, then return to basic operating.Especially in the case where dust arrester 10 is wet type, because its characteristic is determined
Determine internally to use mist (Fog) all the time, and periodically cleaned automatically in the given time
When (Auto Cleaning), cleaned with water and there is water always, so needing to press the stage as described above
The function of motion.If there is larger water particle that when power is applied may be impacted in electrostatic (electric dust) precipitator 10
Son, then can produce excitation and electric arc, and when excitation and electric arc produce more than scheduled volume, may
Electrostatic (electric dust) precipitator 10 is damaged, or even triggers fire.In order to solve the above problems and realize stabilization operating and enter
Row by means of control unit 180 separate running, and excitation it is a large amount of produce and be above standard value when, give
Alert and power supply can be closed.Can be true by means of the operation such as screen touch of external equipment (not shown)
Recognize this running operation.
Insulation division 180 makes the noise and the dust arrester 10 that excitation produced in electrostatic (electric dust) precipitator 10 etc. causes
External environment.For example, the output end of the power supply (-) of intermediate frequency high-voltage direct-current is rectified into as boosting,
Can use and be applied to high-tension high pressure axle sleeve (Bushing).That is, by means of being designed to intermediate frequency
Axle sleeve (Bushing), can hinder when excitation is produced with the assembling morphology of ceramics insulator and epoxy resin board
Break and prevent the noise (noise) inside electrostatic (electric dust) precipitator 10 to be applied to power supply device 100.
Due in the use of power supply device 100 of the electrostatic (electric dust) precipitator of a this embodiment of the invention
Frequency power, therefore the electrostatic (electric dust) precipitator 10 restricted by space can be reduced.And it is possible to collect by by electricity
The modularization of power supply device 100 of dirt device and make setting and management become easy.
For example, as shown in Fig. 2 each composition of the power supply device 100 of electrostatic (electric dust) precipitator can be wanted
Element is suitably arranged in housing 101,102,103.Reference picture 2, by power suppling part 110, frequency conversion
Device portion 120, filtering part 130, become splenium 140, rectification applying unit 150, dust arrester detecting part 160,
The modules such as control unit 170, insulation division 180 turn to panel type, plate, and arrange each inscape.
As an example, by power suppling part 110, filtering part 130, become splenium 140, rectification applying unit 150,
Dust arrester detecting part 160, control unit 170 are suitably arranged in the first housing 101, and by frequency converter
Portion 120 is arranged in the second housing 102, and insulation division 180 is arranged in the 3rd housing 103.
In first housing 101, rectification applying unit 150 and dust arrester detecting part 160 are arranged in and are insulated with arrangement
The close position of 3rd housing 103 in portion 180, and power suppling part 110 is arranged in and arranged frequency conversion
The close position of second housing 102 in device portion 120.
Special housing 102 is arranged in by by frequency converter portion 120, commercial frequency is being converted into adjust
During the frequency of frequency, suitable frequency converter can be easily set.Also, it is arranged in specially by by insulation division 180
The housing 103 of door, can block the noise produced in electrostatic (electric dust) precipitator 10, and easily improve insulation division 180
Insulator capacity or change insulation division 180.
Fig. 3 is the mount structure of the power supply device of electrostatic (electric dust) precipitator according to another embodiment of the present invention
Figure.The power supply device 200 of electrostatic (electric dust) precipitator according to another embodiment of the present invention is shown in Fig. 3
Concrete operations.
Reference picture 3, when exchange (AC) power supply of 440V is applied by main power source 210, in frequency converter
Conversion frequency and voltage in 220, are especially converted into 1~2kHz of intermediate frequency by commercial frequency 60Hz.Also,
The AC power of the 440V applied by main power source 210 is converted into special step-down transformer 212
220V, so as to be used as control room cooler, Transducer Room cooler, converter power supply etc..
From frequency converter 220 output midfrequent AC voltage pass through by ripple shaping filter, noninductive reactor,
Choking-winding (Chock coil) constitute filter band 230 and maintain predetermined intermediate frequency waveform.Also, from
The intermediate frequency of the output of filter band 230 makes N times of voltage amplification by means of step-up transformer 240.Also, put
Big N times intermediate frequency makes voltage amplification twice by means of cowling panel 250, and will exchange by diode
Be converted to direct current.At this time it is also possible to be enlarged into the voltage of other multiples in cowling panel 250 rather than two
Times voltage.Due to that voltage can be improved in cowling panel 250, it is possible to reduce step-up transformer 240
Size, the design freedom of power supply device 200 can be improved accordingly.Also, in order to check electricity
The voltage used in dust arrester 10, can be attached to cowling panel 250 by frequency divider 252.
Signal plate 260 may be constructed for being confirmed to be used in electrostatic (electric dust) precipitator 10 by signal (Signal)
Electric current and voltage resistance and excitation sensing sensor, and for tackling the drop of noise (Noise)
Noise cancellation circuit can be formed at the front end of all circuits.For example, can be for confirming electric current and voltage
Voltmeter 263 and ammeter 264 are connected with resistance.Also, signal plate 260 can be connected with for
Warning sprays relief valve sensing sensor 261 and oil level sensing sensor 262 of the accident of insulating oil etc.,
And transformer oil temperature sensor 266, Transducer Room temperature sensor 267 etc. can be connected with.By believing
Voltage, electric current, excitation of electrostatic (electric dust) precipitator 10 that number plate 260 is obtained etc. and relief valve warning, low oil level police
Announcement, Transducer Room temperature, temperature of oil in transformer etc. are imported into PLC panels 270 as sensing signal.
PLC panels 270 include PLC INPUT CARD (PLC input cards) 270a, PLC OUTPUT
CARD (PLC output cards) 270b, ANALOG INPUT CARD (analog input card) 270c,
ANALOG OUTPUT CARD (analog output card) 270d, TEMPERATURE CARD (temperature
Degree card) 270e, COMMUNICATED CARD (communication card) 270f etc., and based on from signal plate
260 input signals and control frequency converter 220 etc..
For example, the voltage and electric current of electrostatic (electric dust) precipitator 10, pumping signal are input to PLC INPUT CARD
270a, and based on this by PLC OUTPUT CARD 270b with control signal control frequency conversion
Device 220.Specifically, in electrostatic (electric dust) precipitator 10 voltage and electric current, pumping signal are in abnormality
In the case of, control signal is transferred to SYSTEM ON RELAY (relay protection system), INVERTER
ALARM RESET RELAY (frequency converter ann reset relay), INVERTER RESET
RELAY (frequency converter reset relay) and make power supply device 200 reset or make frequency converter 220 answer
Position.
Also, the voltage and electric current of electrostatic (electric dust) precipitator 10 are input into ANALOG INPUT CARD 270c,
And it is defeated by the voltage and electric current of ANALOG OUTPUT CARD 270d output electrostatic (electric dust) precipitators 10
Enter to voltage converter 274, electric current converter 275, and it is local (Local) that can be used
The power supply of control panel 290.
Also, the temperature of the grade of frequency converter 220 is input into TEMPERATURE CADR 270e, so
The temperature of sensing is transferred to local control panel 290, so that can be sharp by local control panel 290
With the basic data for the operating for power supply device 200.The local control panel 290 can lead to
Cross COMMUNICATION CARD 270f and communicated with PLC panels.For example, local control
Panel 290 and PLC panels 270 can be by RS-422Serial Interface (RS-422 serial line interfaces)
Mode is communicated, in addition to this it is possible to use the selectable various communication parties of those skilled in the art
Formula.
Local control panel 290 makes network operator directly to control the operation of power supply device 200, and
Operating condition can be confirmed by the touch-screen and control power supply device by being equipped with touch-screen etc.
200.For example, can turn into the operating frequency for being applied to electrostatic (electric dust) precipitator 10 by local control panel 290
Appropriate intermediate frequency, and the alarm of warning of hazardous situation etc. can be provided for or the alarm is reset.
Also, can control to include power supply device 200 and electrostatic (electric dust) precipitator in local control panel 290
The dust-precipitating system of 10 grades, and the entirety operation state such as the beginning of dust-precipitating system, end can be controlled.
The power supply device 100 of the electrostatic (electric dust) precipitator of the multiple embodiments being described above by using basis,
200, the power supply that apply intermediate frequency can to electrostatic (electric dust) precipitator 10.Accordingly, the collection of electrostatic (electric dust) precipitator 10 can be improved
Dirt efficiency, and reduce the dust-collecting area needed in electrostatic (electric dust) precipitator 10, such that it is able to reduce electrostatic (electric dust) precipitator 10
Size.
As an example, for commercial frequency (for example, 60Hz) power supply, it is in discharge voltage
3kv/cm2Encouraged in the case of above, need to be about then for dust catching efficiency is improved
1CMM/0.76m2Dust-collecting area.Intermediate frequency power supply using the about frequency band of 1000~2000Hz then exists
4kv/cm2Excitation is produced in the case of above.The characteristic of electrostatic (electric dust) precipitator 10 determines dust catching efficiency and dust
Voltage it is square proportional, and with dust current in proportion, even if so keeping such as conventional dust collecting power
As energy resource consumption, also improve efficiency because dust voltage is high, even and if reducing dust-collecting area
To 1CMM/0.36m2, it is also possible to produce the power supply identical dust catching efficiency with existing electrostatic (electric dust) precipitator.
More than, refer to the attached drawing and embodiments of the invention are illustrated, it can be appreciated that, this
In the technical field of invention with general knowledge personnel can not change technological thought of the invention or
In the case of essential feature, the present invention is implemented with other specific forms.So, the above embodiments exist
All aspects are exemplary, and it does not have restriction effect.
Claims (8)
1. a kind of power supply device of electrostatic (electric dust) precipitator, including：
Power suppling part, supplies the alternating voltage of commercial frequency；
Frequency converter portion, the alternating voltage supplied by the power suppling part is converted into the alternating voltage of intermediate frequency；
Filtering part, the intermediate frequency waveform for making to be exported by the frequency converter portion remains constant；
Become splenium, the output for making the filtering part is boosted；
Rectification applying unit, makes the output of the change splenium boost, and be converted into direct current and be applied to electric precipitation
Device；
Dust arrester detecting part, senses the state of the dust arrester；And
Control unit, the frequency converter portion is controlled based on the signal of the detecting part.
2. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 1, wherein,
The commercial frequency is converted into the intermediate frequency of 1000~2000Hz in the frequency converter portion.
3. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 1, wherein,
The rectification applying unit includes the frequency divider for the voltage for confirming to be used in the dust arrester.
4. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 1, wherein,
The dust arrester detecting part includes the potentiometer of the voltage for measuring the dust arrester and for surveying
Measure the galvanometer of electric current.
5. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 1, wherein,
The dust arrester detecting part includes the excitation sensing sensor of the excitation for sensing the dust arrester.
6. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 5, wherein, the control unit with
Following manner performs control：
When the generation of the excitation for being sensed by means of the excitation sensing sensor in the given time
When number of times is more than standard number, control the frequency converter portion that the input of the dust arrester is applied to reduce.
7. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 6, wherein, the control unit with
Following manner performs control：
When there is no the excitation in the given time, the frequency converter portion is controlled to be applied to institute to improve
State the input of dust arrester.
8. the power supply device of electrostatic (electric dust) precipitator as claimed in claim 1, wherein, also include：
Insulation division, the noise that the excitation for making to occur in the dust arrester causes is outer with the dust arrester
Portion completely cuts off.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2015-0169076 | 2015-11-30 | ||
| KR1020150169076A KR20170064109A (en) | 2015-11-30 | 2015-11-30 | The power supply device of electric dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106817034A true CN106817034A (en) | 2017-06-09 |
Family
ID=59106517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610035267.3A Pending CN106817034A (en) | 2015-11-30 | 2016-01-19 | The power supply device of electrostatic (electric dust) precipitator |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR20170064109A (en) |
| CN (1) | CN106817034A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI655030B (en) * | 2017-12-04 | 2019-04-01 | 南韓商普拉茲馬太股份有限公司 | Power supply device for electric dust collector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108054730B (en) * | 2017-11-29 | 2019-05-28 | 西安理工大学 | High-power high voltage dedusting power source control system and the power supply time difference protect control method |
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| KR0133623B1 (en) * | 1994-12-28 | 1998-04-23 | 이수강 | Voltage control circuit |
| CN2556848Y (en) * | 2002-03-01 | 2003-06-18 | 大连贵友机电有限公司 | High-frequency inverter for electric removing dust |
| KR20040107676A (en) * | 2003-06-09 | 2004-12-23 | 한국생산기술연구원 | Induction heating system of variable forging billets with dual type frequency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI655030B (en) * | 2017-12-04 | 2019-04-01 | 南韓商普拉茲馬太股份有限公司 | Power supply device for electric dust collector |
| CN109865596A (en) * | 2017-12-04 | 2019-06-11 | (株)普拉兹马太 | The power supply device of electrostatic (electric dust) precipitator |
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| KR20170064109A (en) | 2017-06-09 |
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Application publication date: 20170609 |