CN102003933B - Dust collection thickness detection alarm device for electrostatic dust collector - Google Patents

Dust collection thickness detection alarm device for electrostatic dust collector Download PDF

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Publication number
CN102003933B
CN102003933B CN2010105086301A CN201010508630A CN102003933B CN 102003933 B CN102003933 B CN 102003933B CN 2010105086301 A CN2010105086301 A CN 2010105086301A CN 201010508630 A CN201010508630 A CN 201010508630A CN 102003933 B CN102003933 B CN 102003933B
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module
pole plate
control
circuit
electrostatic precipitator
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CN2010105086301A
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CN102003933A (en
Inventor
宋一舟
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Anhui guest agree electric limited company
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ANHUI BEANCON ELECTRICAL Co Ltd
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Abstract

The invention provides a dust collection thickness detection alarm device for an electrostatic dust collector, which comprises a detection device, a measurement module, a comparison module and an alarm module, wherein the detection device and a detected static dust collector are arranged in the same working environment, and dust collection thickness same with the detected static dust collector is obtained; the measurement module measures dust collection thickness information of the detection device in a timing manner and converts the dust collection thickness information into standard electric signals and then sends the standard electric signals to the comparison module and peripheral equipment; the comparison module receives the standard electric signals sent by the measurement module, compares the standard electric signals with preset numerical values, and sends alarm information to the alarm module when the standard electric signals exceed the preset numerical values; and the alarm module receives the alarm information sent by the comparison module for alarming. By adopting the detection device, the measurement module, the comparison module and the alarm module, the dust collection thickness of the detected static dust collector can be detected in real time for immediately alarming and can be read by the peripheral equipment. The invention has the advantages of simple structure, reliable use and high precision.

Description

A kind of electrostatic precipitator control of dust thickness detection alarm device
Technical field
The present invention relates to a kind of electrostatic precipitator control of dust thickness detection alarm device.
Background technology
Electrostatic precipitator adopts electrostatic absorption principle; Dust in air is adsorbed onto on the electric field, so himself windage is little, the pressure reduction behind the equipment control of dust changes little; Adopt conventional differential pressure measurement mode can not measure desired data, can't make accurate judgement equipment control of dust thickness.
At present, owing to can't judge electrostatic precipitator control of dust thickness, adopt the method for periodic cleaning usually.But because the equipment user mode is not quite similar, the overequipment that just causes cleans, and waste resource, the equipment cleaning frequency that has do not cause equipment running status good even can damage this equipment inadequately.
Summary of the invention
The technical matters that the present invention will solve provides a kind of convenience, accurately detect electrostatic precipitator control of dust thickness supplies opertaing device to read and the electrostatic precipitator control of dust thickness of in time reporting to the police detects, warning device.
In order to address the above problem, the invention provides a kind of electrostatic precipitator control of dust thickness detection, warning device, comprising:
Testing fixture, said testing fixture is arranged in the identical working environment with tested electrostatic precipitator, obtains the control of dust thickness identical with said tested electrostatic precipitator;
Measurement module, said measurement module are regularly measured the control of dust thickness information of said testing fixture, and this control of dust thickness information converted into send to contrast module and peripherals behind the standard electric signal;
The contrast module, said contrast module receives the standard electric signal that said measurement module sends, and standard electric signal and default value are compared, and when this standard electric signal surpassed this default value, said contrast module was sent warning message to alarm module;
Alarm module, alarm module receive the warning message that said contrast module is sent, and report to the police.
Further, said testing fixture comprises that work pole plate pair is right with the pole plate of not working, said work pole plate pair with do not work pole plate to all being arranged on the same cross section with said tested electrostatic precipitator.
Further, said measurement module comprises:
Power supply, said power supply comprises high-voltage DC power supply and low-voltage alternating current power supply, for said work pole plate to the power supply;
Change-over circuit, said change-over circuit is regularly measured the right control of dust thickness of said work pole plate and is converted into the detection data under timing circuit control, sends to amplifying circuit;
Commutation circuit, said commutation circuit timing circuit control down the said power supply of switching to said work pole plate between dedusting duty and state to be detected, changing;
Timing circuit, said timing circuit is controlled said change-over circuit and commutation circuit action according to Preset Time;
Amplifying circuit, said amplifying circuit receive the detection data that said change-over circuit sends, and amplifying, will detecting data-switching after the shaping is the standard electric signal, and sends to said contrast module and peripherals.
Further, said contrast module includes comparator circuit.
Further, be provided with alarm in the said alarm module.
The present invention has following advantage:
1, the present invention adopts testing fixture, measurement module, contrast module and alarm module, can detect the control of dust thickness of tested electrostatic precipitator in real time, in time reports to the police also can supply peripherals to read, and the present invention is simple in structure, use is reliable and precision is high.
2, employing work pole plate of the present invention pair is right with the pole plate of not working, and can eliminate the influence of electrostatic precipitator working environment, thereby make measurement of the present invention and actual conditions meet more.
3, measurement module 2 of the present invention comprises change-over circuit 22 and amplifying circuit 25, can the control of dust thickness signal be changed and amplification, shaping become the standard electric signal, is easy to read and identification.Measurement module 2 of the present invention in addition comprises commutation circuit 23 and timing circuit 24; Regularly the switch operating pole plate is to 11 state, to the logical high voltage direct current of work pole plate 11 time, is the electrostatic precipitator of proportional zoom, to the logical low-voltage AC of work pole plate 11 time; This work pole plate becomes variation electric capacity again to 11; This structure neither influences the inspection of work pole plate to 11 pairs of control of dust thickness, does not influence again the measurement of this work pole plate to 11 control of dust thickness, simple in structure, reliable and energy savings.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present invention is described further:
Fig. 1 shows a kind of electrostatic precipitator control of dust of the present invention thickness detection alarm apparatus structure synoptic diagram;
Fig. 2 shows a kind of electrostatic precipitator control of dust of the present invention thickness detection alarm device principle of signal conversion synoptic diagram.
Embodiment
Electrostatic precipitator is on the metal electrode of insulation, to feed high-voltage DC power supply and dust granule in the absorbed air.Treat so positive and negative electrode can be used as electric capacity, behind positive and negative electrode absorption dust, both reduce in the gap, and it is big that capacitance becomes.If measure this variation of capacitance, just can measure the control of dust thickness of electrostatic precipitator.
But two interelectrode electric capacitance change of insulation are influenced by air humidity also.In addition, directly the electric capacity of the electrostatic precipitator in the surveying work is dangerous, and unpractical thing.Because electrostatic precipitator is with high-tension electricity at work for a long time, and electrostatic precipitator can be used more module because the reason of transportation and versatility is designed to module one by one in the air-conditioning system.
As shown in Figure 1, the present invention includes testing fixture 1, measurement module 2, contrast module 3 and alarm module 4.
Testing fixture 1 is arranged in the identical working environment with tested electrostatic precipitator, obtains the control of dust thickness identical with tested electrostatic precipitator.
Testing fixture 1 comprise the work pole plate to 11 with do not work pole plate to 12, the work pole plate all is arranged on the same cross section with tested electrostatic precipitator 12 with the pole plate of not working 11.The work pole plate can adopt sheet metal with same apparent size right with the pole plate of not working to 12 to 11; The work pole plate can with tested electrostatic precipitator adopt same material with the pole plate of not working to 12 to 11, carries out fabrication and installation according to making, the installation method of tested electrostatic precipitator.
Employing work pole plate of the present invention is to 11 and do not work pole plate to 12, can eliminate the influence of testing fixture 1 working environment, thereby make measurement of the present invention and actual conditions meet more.The work pole plate to 11 with the pole plate of not working to 12 under equivalent environment, can under same environment (especially humidity), change, have synchronous variation, thereby eliminate the influence of environmental change measuring.
Measurement module 2 is regularly measured the control of dust thickness of testing fixture 1, and converts this control of dust thickness signal into the standard electric signal, and this standard electric signal can directly be exported the present invention and supply other equipment to read outward, and is sent to contrast module 3 simultaneously.
Measurement module 2 comprises power supply 21, change-over circuit 22, commutation circuit 23, timing circuit 24 and amplifying circuit 25.Wherein: power supply 21 comprises high-voltage power supply and low-tension supply, and high-voltage power supply is DC4000v, and low-tension supply is AC9v.
Change-over circuit 22 carries out the control of dust thickness measure in timing circuit 24 control down when the pole plate of working is in state to be detected to 11, change-over circuit 22 pole plate of will working sends to amplifying circuit 25 to 11 detected data.The work pole plate is below 3 seconds to 11 times of being under the detected state at every turn.
Commutation circuit 23 21 pairs of work of Switching power pole plate under timing circuit 24 controls is supplied power to 11 high-low pressures.The work pole plate uses high voltage direct current to 11 during duty, and the work pole plate uses low-voltage AC to 11 during detected state.
Timing circuit 24 is according to Preset Time Data Control change-over circuit 22 and commutation circuit 23 actions.Setting-up time is to detect once in per 2 hours, and be 3 seconds each detection time.
Amplifying circuit 25 receives the data that change-over circuits 22 send, and sends to contrast module 3 after amplifying, be shaped as the standard electric signal.This standard electric signal can be exported the present invention simultaneously and supply other equipment to read outward.
Principle of signal conversion is as shown in Figure 2; During duty, because the work pole plate is to 11 logical high voltage direct currents, so this work pole plate equally with tested electrostatic precipitator carries out dust suction to 11; And the pole plate of not working is to 12 no powers, and pole plate is not to 12 not dust suctions so this is not worked.Because the work pole plate is to 11 with the pole plate of not working is identical to 12 physical dimensions, working environment is identical, thus the work pole plate to 11 and the pole plate of not working 12 difference only is whether dust suction, this has just been avoided environmental impact to the control of dust thickness measure.
The work pole plate to 11 with the pole plate of not working during to 12 equal no powers; And after being connected into change-over circuit 22; The work pole plate is electric capacity with the pole plate of not working to 12 essence to 11, different is since the work pole plate to 11 dust suctions, its electric capacity receives the control of dust thickness effect and changes.
Connection work pole plate to 11 with do not work pole plate to 12, and respectively the work pole plate to 11 with the pole plate of the not working standard capacitance that electric capacity equates of all contacting on to 12.Then the work pole plate to 11 with the pole plate of not working to 12 between and apply alternating voltage between two standard capacitances, this moment the surveying work pole plate to 11 and the pole plate of not working to the voltage difference between 12, but with regard to ratio acquisition work pole plate to 11 control of dust thickness.
This voltage difference is an electric quantity data, and through test acquisition work pole plate 11 control of dust thickness and this electric quantity data is concerned, further, amplifies this voltage difference, also just obtains the relation of tested electrostatic precipitator control of dust thickness and this electric quantity data.This electric quantity data becomes the standard electric signal through after the shaping, can supply other equipment to read.
Set the upper limit of these data, and these upper limit data are set in the comparator circuit 31 in the contrast module 3 alarm points that just can obtain confirming.
In the present embodiment, the work pole plate is 3.19m with the pole plate of not working to 12 working areas to 11 2, pole plate is 6mm to spacing, electric capacity is not 54.7uF when having control of dust, when control of dust thickness reached 0.5mm, electric capacity was 60.4uF.The relativity of various control of dust thickness and electric capacity all can obtain through the match of part measurement point, thereby this respective value is set in the circuit, to confirm the alarming value of electric capacity.
Measurement module 2 of the present invention comprises change-over circuit 22 and amplifying circuit 25, can the control of dust thickness signal be changed and amplification, shaping become the standard electric signal, is easy to read and identification.Measurement module 2 of the present invention in addition comprises commutation circuit 23 and timing circuit 24; Regularly the switch operating pole plate is to 11 state, to the logical high voltage direct current of work pole plate 11 time, is the electrostatic precipitator of proportional zoom, to the logical low-voltage AC of work pole plate 11 time; This work pole plate becomes variation electric capacity again to 11; This structure neither influences the inspection of work pole plate to 11 pairs of control of dust thickness, does not influence again the measurement of this work pole plate to 11 control of dust thickness, simple in structure, reliable and energy savings.
Contrast module 3 receives the standard electric signal that measurement module 2 sends, and standard electric signal and default value are compared, and when this standard electric signal surpassed this default value, contrast module 3 was sent warning message to alarm module 4.
Contrast module 3 includes comparator circuit 31.This comparator circuit 31 is set with certain predetermined numerical value, and when the standard electric signal of amplifying circuit 25 outputs was higher than this default value, this comparator circuit 31 was to alarm module 4 output alarm information.
Alarm module 4 receives the warning message that contrast module 3 is sent, and reports to the police.Be provided with alarm 41 in the alarm module 4.Also control circuit 42 can be set in the alarm module 4, when alarm module 4 receives the report for police service information, start this control circuit 42, cut off the electrostatic precipitator feed circuit, thereby make electrostatic precipitator shut down.
The present invention adopts testing fixture 1, measurement module 2, contrast module 3 and alarm module 4, can detect the control of dust thickness of tested electrostatic precipitator in real time, and in time report to the police.Also can cut off the feed circuit of tested electrostatic precipitator in case of necessity voluntarily, protect this electrostatic precipitator.The present invention is simple in structure, use is reliable and precision is high, cost is low.
In sum; More than being merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention, therefore; All any modifications of within spirit of the present invention and principle, being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. an electrostatic precipitator control of dust thickness detection alarm device is characterized in that, comprising:
Testing fixture (1), said testing fixture (1) is arranged in the identical working environment with tested electrostatic precipitator, obtains the control of dust thickness identical with said tested electrostatic precipitator;
Measurement module (2), said measurement module (2) are regularly measured the control of dust thickness information of said testing fixture (1), and send to contrast module (3) and peripherals after converting this control of dust thickness information into the standard electric signal;
Contrast module (3); Said contrast module (3) receives the standard electric signal that said measurement module (2) sends; And standard electric signal and default value compared, when this standard electric signal surpassed this default value, said contrast module (3) was sent warning message to alarm module (4);
Alarm module (4), alarm module (4) receives the warning message that said contrast module (3) is sent, and reports to the police;
Said testing fixture (1) comprise the work pole plate to (11) with do not work pole plate to (12), said work pole plate all is arranged on the same cross section with said tested electrostatic precipitator (12) (11) and the pole plate of not working.
2. electrostatic precipitator control of dust thickness detection alarm device as claimed in claim 1, it is characterized in that: said measurement module comprises:
Power supply (21), said power supply (21) comprises high-voltage DC power supply and low-voltage alternating current power supply, for said work pole plate is supplied power to (11);
Change-over circuit (22), said change-over circuit (22) in timing circuit (24) control down, timing is measured said work pole plate to the control of dust thickness of (11) and be converted into the detection data, sends to amplifying circuit (25);
Commutation circuit (23), said commutation circuit (23) the said power supply of switching (21) under timing circuit (24) control is changed between dedusting duty and state to be detected (11) said work pole plate;
Timing circuit (24), said timing circuit (24) is according to said change-over circuit of Preset Time Data Control (22) and commutation circuit (23) action;
Amplifying circuit (25), said amplifying circuit (25) receives the detection data that said change-over circuit (22) sends, amplify with shaping after will to detect data-switching be the standard electric signal, and send to said contrast module (3) and peripherals.
3. electrostatic precipitator control of dust thickness detection alarm device as claimed in claim 2, it is characterized in that: said contrast module (3) includes comparator circuit (31).
4. electrostatic precipitator control of dust thickness detection alarm device as claimed in claim 3 is characterized in that: be provided with alarm (41) in the said alarm module (4).
CN2010105086301A 2010-10-12 2010-10-12 Dust collection thickness detection alarm device for electrostatic dust collector Expired - Fee Related CN102003933B (en)

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Application Number Priority Date Filing Date Title
CN2010105086301A CN102003933B (en) 2010-10-12 2010-10-12 Dust collection thickness detection alarm device for electrostatic dust collector

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Application Number Priority Date Filing Date Title
CN2010105086301A CN102003933B (en) 2010-10-12 2010-10-12 Dust collection thickness detection alarm device for electrostatic dust collector

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CN105057102B (en) * 2015-09-01 2017-05-17 东北师范大学 Comparison test platform of dust removal efficiency of polar plate
CN105855059A (en) * 2016-05-30 2016-08-17 广东美的制冷设备有限公司 Dust-collecting cleaning device, electrical appliance equipment and dust-collecting cleaning method
CN106871195A (en) * 2017-02-23 2017-06-20 合肥三邦环保科技有限公司 A kind of electrostatic oil fume processing unit of automated decontamination
CN107883479A (en) * 2017-12-07 2018-04-06 中冶京诚工程技术有限公司 With fresh air except the air-conditioning system of the independent temperature-humidity control of haze self-cleaning function
CN109100904A (en) * 2018-08-29 2018-12-28 深圳市大象投影显示技术有限责任公司 A kind of projection arrangement control method and device
CN109269947A (en) * 2018-11-22 2019-01-25 郑州云海信息技术有限公司 A kind of dust detection based on false memory bar
CN111565025B (en) * 2020-05-15 2023-07-14 东北电力大学 System and method for measuring dust deposit thickness of photovoltaic cell panel based on capacitance method
CN114273083A (en) * 2021-12-31 2022-04-05 润电能源科学技术有限公司 Electric precipitator polar plate dust thickness monitoring system based on optical fiber sensor

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Address after: 230088 No. 688, Qinyuan Road, Shushan District, Anhui, Hefei

Patentee after: Anhui guest agree electric limited company

Address before: 230088 independent innovation industry base of Zhenxing Road, new industrial zone, Shushan District, Hefei, Anhui

Patentee before: Anhui Beancon Electrical Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120711

Termination date: 20151012

EXPY Termination of patent right or utility model