CN104122478B - Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking - Google Patents
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking Download PDFInfo
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- CN104122478B CN104122478B CN201410391525.2A CN201410391525A CN104122478B CN 104122478 B CN104122478 B CN 104122478B CN 201410391525 A CN201410391525 A CN 201410391525A CN 104122478 B CN104122478 B CN 104122478B
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Abstract
The invention discloses a kind of spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking, the real-time monitoring of leakage current and thunderbolt acting characteristic for realizing electric transmission line lightning arrester, propose monitoring in real time based on leakage conductor leakage current and thunderbolt action current and evaluate spark gap running status, the data such as the amplitude of lightning current that the arrester action current data of monitoring are combined lightning location system, analyze the correct operation of identification circuit spark gap, malfunction, tripping situation, it is achieved the running status of leakage conductor and action on-line monitoring.The present invention utilizes solar energy to be powered, it is not necessary to additionally power, whole day work free of discontinuities in 24 hours；Can the Leakage Current of real time record spark gap, small area analysis, dash current, number of shocks, the internal humiture of dash current peak value and spark gap etc., it is possible to combined reaction goes out the running status of spark gap；The data collected can pass system server back, facilitates patrol officer accurately to judge spark gap duty.
Description
Technical field
The invention belongs to lightening protection apparatus field；Relate to the on-line detecting system of a kind of spark gap state, particularly relate to a kind of to spark gap percussion action and Leakage Current on-line checking, and then judge the diagnostic system of spark gap state.
Background technology
At present both at home and abroad each department power office all promotes the use of metal oxide arrester to improve the resistance to thunder level of transmission line of electricity on transmission line of electricity, reduces the tripping rate with lightning strike of circuit, thus improves power supply reliability, meets the requirement of commercial power；Therefore leakage conductor has development and application prospect widely.
Spark gap critical role in power system requires that work normal to spark gap provides and ensures, this just requires whether spark gap can properly functioning state be monitored.
The on-line monitoring of Zinc-Oxide Arrester the most traditional in terms of spark gap line parameter for the national games on-line monitoring is essentially all based on surveying leakage current, is judged the state of Zinc-Oxide Arrester by the change of its total leakage current and resistive leakage current.
The most relevant present Research the most also rests in monitoring based on leakage current, but electric transmission line lightning arrester is divided into gapless arrestyer and band external series gap lightning arrester, for the spark gap with pure the air gap, at properly functioning middle No leakage electric current, it is impossible to evaluate the state of spark gap by measuring leakage current.And transmission line of electricity complicated condition, is difficult to carry out preventive trial and charging test.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of based on spark gap percussion action and Leakage Current on-line checking, and then judge the diagnostic system of spark gap state.
The technical solution adopted in the present invention is: a kind of spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking, it is characterised in that: include transformer acquisition component, MTU6000 main element, solar elements, GPRS parts, GPS parts；MTU6000 main element includes Leakage Current circuit, small area analysis circuit, dash current circuit, integrated management parts, battery component；Solar elements is connected with battery component input and integrated management parts respectively, can either charge to battery component, it is also possible to power to integrated management parts, battery component outfan and integrated management parts connect, for when solar elements is idle, power to integrated management parts；Transformer acquisition component is connected on arrester ground line, and Leakage Current circuit, small area analysis circuit, dash current circuit are connected with transformer acquisition component corresponding end, for gathering the Leakage Current signal of spark gap, small area analysis signal, dash current signal；Leakage Current circuit, small area analysis circuit, dash current circuit are connected with integrated management parts corresponding end, and the signal that will receive is transferred to integrated management parts；Integrated management parts are connected with GPRS parts and GPS parts, control GPRS parts and GPS parts and server communication；The Leakage Current signal received, small area analysis signal, dash current signal, gps signal are passed to system server by GPRS parts 9 by integrated management parts 6, and system server just can monitor the running status of spark gap all sidedly.
As preferably, described transformer acquisition component includes that Leakage Current transformer, small current mutual inductor and dash current transformer, described Leakage Current transformer are connected with described Leakage Current circuit, for gathering the Leakage Current signal of spark gap；Described small current mutual inductor is connected with described small area analysis circuit, for gathering the small area analysis signal of spark gap；Described dash current transformer is connected with described dash current circuit, for gathering the dash current signal of spark gap.
As preferably, described Leakage Current circuit is made up of the 1st rectifier bridge, the 1st electric capacity, the 1st resistance, the 2nd resistance, the 3rd resistance, the 1st operational amplifier；The exchange end of the 1st rectifier bridge is in parallel with Leakage Current transformer, and the DC terminal of the 1st rectifier bridge is in parallel with the 1st electric capacity, then with the 1st resistant series；The positive input terminal concatenation of the 1st resistance and the 1st operational amplifier；1st operational amplifier bear end and the 2nd resistant series after, then ground connection；It is connected with integrated management parts corresponding end after concatenating the 3rd resistance between positive input terminal and the outfan of the 1st operational amplifier, the signal that will receive, is transferred to integrated management parts.
As preferably, described small area analysis circuit is made up of the 2nd rectifier bridge, the 2nd electric capacity, the 4th resistance, the 5th resistance, the 6th resistance, the 2nd operational amplifier；The exchange end of the 2nd rectifier bridge is in parallel with small current mutual inductor；The DC terminal of the 2nd rectifier bridge is in parallel with the 2nd electric capacity, then with the 4th resistant series；The positive input terminal concatenation of the 4th resistance and the 2nd operational amplifier；2nd operational amplifier bear after end and the 5th resistant series ground connection again；It is connected with integrated management parts corresponding end after concatenating the 6th resistance between positive input terminal and the outfan of the 2nd operational amplifier, the signal that will receive, is transferred to integrated management parts.
As preferably, described dash current circuit is made up of the 3rd rectifier bridge, the 3rd electric capacity, the 7th resistance, the 8th resistance, the 9th resistance, the 3rd operational amplifier；The exchange end of the 3rd rectifier bridge is in parallel with dash current transformer；The DC terminal of the 3rd rectifier bridge is in parallel with the 3rd electric capacity, then with the 7th resistant series；The positive input terminal concatenation of the 7th resistance and the 3rd operational amplifier；3rd operational amplifier bear end and the 8th resistant series after, then ground connection；It is connected with integrated management parts corresponding end after concatenating the 9th resistance between positive input terminal and the outfan of the 3rd operational amplifier, the signal that will receive, is transferred to integrated management parts.
As preferably, described integrated management parts are that the single-chip microcomputer of STM32F103, the 12nd resistance, the 13rd resistance, the 14th resistance, the 15th resistance, the 16th resistance, the 9th electric capacity, the 4th operational amplifier and the 5th operational amplifier form by model；Leakage Current circuit, small area analysis circuit, the outfan of dash current circuit are connected with the corresponding input of single-chip microcomputer respectively；The P1.1 port of single-chip microcomputer and the 12nd resistance, the 13rd resistance concatenation；The negative input end of the 13rd resistance and the 4th operational amplifier connects；Between 12nd resistance, the 13rd resistance and after connecing the 9th electric capacity, then ground connection；The RS232 output port of single-chip microcomputer corresponding ports with RS232 chip respectively is connected；The output port of the 5th operational amplifier is connected with the AD1 port of single-chip microcomputer；The 14th resistance is concatenated between positive input terminal and the outfan of the 5th operational amplifier；Positive input terminal concatenation the 15th resistance of the 5th operational amplifier is connected with battery component；Negative input end concatenation the 16th resistance of the 5th operational amplifier is connected with battery component.
As preferably, described battery component is made up of accumulator, Charge Management IC, power supply IC, the 10th resistance, the 11st resistance, the 12nd resistance, the 4th electric capacity, the 5th electric capacity, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 4th diode, the 5th diode, the 1st inductance, the 6th diode；It is connected with battery positive voltage after EX port concatenation the 1st inductance of Charge Management IC and the 4th diode；After COMP end concatenation the 11st resistance of Charge Management IC, then concatenate ground connection after the 8th electric capacity；Between EX port and the 4th diode of Charge Management IC after the 12nd resistance in parallel, connect the FB end of Charge Management IC；Ground connection after FB termination the 10th resistance of Charge Management IC；The equal ground connection of PGND Yu AGND end of Charge Management IC；The VIN port of Charge Management IC connects the positive output port of solar elements；Input port corresponding with power supply IC after the positive output port of solar elements and the 6th Diode series is connected, and the positive pole of accumulator after the 6th electric capacity in parallel with between negative pole, the 7th electric capacity, receives the corresponding input port of power supply IC after connecing the 5th diode；After the output port of power supply IC the 4th electric capacity, the 5th electric capacity in parallel, it is connected in integrated management parts the corresponding power input of single-chip microcomputer arranged；The output of the 4th operational amplifier arranged in integrated management parts is connected with the FB end of power supply IC；The COMP end of power supply IC is connected in integrated management parts the 15th resistance arranged.
As preferably, it is connected with battery component input and integrated management parts respectively after the outfan of described solar elements and the 1st capacitor, the 2nd capacitor parallel connection.
As preferably, described GPRS parts are composed in series by GPRS module and GPRS antenna, and GPRS module input port is connected with described integrated management parts after being connected by the port corresponding with RS232 chip.
As preferably, described GPS parts are composed in series by GPS module and gps antenna, and GPS module input port is connected with described integrated management parts after being connected by the port corresponding with RS232 chip.
As preferably, described spark gap condition diagnosing system is additionally provided with humiture collection parts, the port corresponding with the single-chip microcomputer arranged in described integrated management parts is connected, and will gather the temperature signal of spark gap, moisture signal for gathering, and signal is passed to single-chip microcomputer.
The present invention realizes leakage current and the real-time monitoring of thunderbolt acting characteristic of electric transmission line lightning arrester by the device of integration, propose monitoring in real time based on leakage conductor leakage current and thunderbolt action current and evaluate the feasible scheme of spark gap running status, and the data such as the amplitude of lightning current that the arrester action current data of monitoring can be combined lightning location system, analyze the correct operation of identification circuit spark gap, malfunction, tripping situation, it is achieved the running status of leakage conductor and action on-line monitoring.On-Line Monitor Device is for monitoring the spark gap number of times by thunder-strike current, and the number of times of the record big electric current of thunderbolt (current value is more than 10kA or 20kA), it reflects the residual life of spark gap and the need of preventive trial；The number of times of the thunderbolt small area analysis (current value is more than 100A) that record passes through, it can be lightning protection and the lightning strike accident analysis the most valuable scientific basis of offer, timing simultaneously detects the Leakage Current of spark gap, can effectively analyze the running status of spark gap by analyzing the curve of Leakage Current.
For the spark gap with series gap, owing to there is no leakage current, only need to carry out the monitoring of thunderbolt acting characteristic, judge that spark gap the need of maintenance or is changed according to dash current number of times and peak value.
Spark gap for joint line (cable run turns overhead transmission line), owing to there being leakage current to flow through spark gap, need to carry out current in resistance property and the monitoring of action current combination, judge that spark gap the need of maintenance or is changed according to current in resistance property size and dash current number of times and peak synthesis.By the whole monitorings to leakage conductor operational factor, it is possible to achieve the real-time monitoring of electric transmission line lightning arrester state.
The present invention has the advantages that:
1, the present invention utilizes solar energy to be powered, it is not necessary to additionally power, whole day work free of discontinuities in 24 hours；
2, the present invention can the Leakage Current of real time record spark gap, small area analysis, dash current, number of shocks, the internal humiture of dash current peak value and spark gap etc., it is possible to combined reaction goes out the running status of spark gap；
3, the data that the present invention collects can pass system server back, facilitates patrol officer accurately to judge spark gap duty.
Accompanying drawing explanation
Fig. 1: be present configuration schematic diagram；
Fig. 2: be the circuit theory diagrams of the embodiment of the present invention；
Fig. 3: be the structural representation of the embodiment of the present invention.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, should be appreciated that enforcement example described herein is merely to illustrate and explains the present invention, be not intended to limit the present invention.
Current embodiment require that Contents for Monitoring is as follows:
1, the making moist of leakage conductor, the state such as aging are evaluated by electric transmission line lightning arrester leakage current and current in resistance property；
2, evaluate spark gap by electric transmission line lightning arrester action current peak value, action frequency the need of maintenance and to change；According to relevant code, when by the action current of spark gap more than the number of times of rated value close to 20 times time, spark gap is accomplished by overhauling and changing；
3, combine lightning location system and fault recording system, when lightning surge and internal overvoltage occur, are used for the action current peak value of leakage conductor and movement time judging and prove spark gap the most whether effective action；
4, the humiture of real time record spark gap local environment.
Ask for an interview Fig. 1, Fig. 2 and Fig. 3, the technical solution adopted in the present invention is: a kind of spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking, including transformer acquisition component 1, MTU6000 main element 2, solar elements 8, GPRS parts 9, GPS parts 10 and humiture collection parts 11；MTU6000 main element 2 includes Leakage Current circuit 3, small area analysis circuit 4, dash current circuit 5, integrated management parts 6, battery component 7；Solar elements 8 is connected with battery component 7 input and integrated management parts 6 respectively, charge both can to battery component 7, power to integrated management parts 6, battery component 7 outfan and integrated management parts 6 connect, for when solar elements 8 is idle, powering to integrated management parts 6；Transformer acquisition component 1 is connected on arrester ground line, and Leakage Current circuit 3, small area analysis circuit 4, dash current circuit 5 are connected with transformer acquisition component 1 corresponding end, for gathering the Leakage Current signal of spark gap, small area analysis signal, dash current signal；Leakage Current circuit 3, small area analysis circuit 4, dash current circuit 5 are connected with integrated management parts 6 corresponding end, and the signal that will receive is transferred to integrated management parts 6；Integrated management parts 6 are connected with GPRS parts 9 and GPS parts 10, control GPRS parts 9 and GPS parts 10 and server communication；The Leakage Current signal received, small area analysis signal, dash current signal, gps signal and temperature signal, moisture signal are passed to system server by GPRS parts 9 by integrated management parts 6, system server just can monitor the running status of spark gap all sidedly, judges that spark gap the need of maintenance or is changed according to current in resistance property size and dash current number of times and peak synthesis.
The transformer acquisition component 1 of the present embodiment is three current transformers, by the coil of magnetic core and the different number of turn according to certain ratio conversion energy, for back-end circuit collection, and then analyzes；Its composition includes Leakage Current transformer 101, small current mutual inductor 102 and dash current transformer 103, and Leakage Current transformer 101 is connected with Leakage Current circuit 3, for gathering the Leakage Current signal of spark gap；Small current mutual inductor 102 is connected with small area analysis circuit 4, for gathering the small area analysis signal of spark gap；Dash current transformer 103 is connected with dash current circuit 5, for gathering the dash current signal of spark gap.
The Leakage Current circuit 3 of the present embodiment is made up of the 1st rectifier bridge the 301, the 1st electric capacity the 302, the 1st resistance the 303, the 2nd resistance the 304, the 3rd resistance the 305, the 1st operational amplifier 306；The exchange end of the 1st rectifier bridge 301 is in parallel with Leakage Current transformer 101, and the DC terminal of the 1st rectifier bridge 301 is in parallel with the 1st electric capacity 302, then connects with the 1st resistance 303；1st resistance 303 concatenates with the positive input terminal of the 1st operational amplifier 306；1st operational amplifier 306 bear ground connection again after end and the series connection of the 2nd resistance 304；It is connected with integrated management parts 6 corresponding end after concatenating the 3rd resistance 305 between positive input terminal and the outfan of the 1st operational amplifier 306, the signal that will receive, is transferred to integrated management parts 6.
Its operation principle is: from the electric current of the secondary coil sensing of Leakage Current transformer 101 after the 1st rectifier bridge 301 rectification, charge to the 1st electric capacity 302, it is amplified subsequently into the 1st operational amplifier 306 or decays, being worth accordingly, passing to integrated management parts 6.
The small area analysis circuit 4 of the present embodiment can the little thunderbolt leakage current current value of Real-time Collection more than 100A, be made up of the 2nd rectifier bridge the 401, the 2nd electric capacity the 402, the 4th resistance the 403, the 5th resistance the 404, the 6th resistance the 405, the 2nd operational amplifier 406；The exchange end of the 2nd rectifier bridge 401 is in parallel with small current mutual inductor 102；The DC terminal of the 2nd rectifier bridge 401 is in parallel with the 2nd electric capacity 402, then connects with the 4th resistance 403；4th resistance 403 concatenates with the positive input terminal of the 2nd operational amplifier 406；2nd operational amplifier 406 bear end and the series connection of the 5th resistance 404 after, then ground connection；It is connected with integrated management parts 6 corresponding end after concatenating the 6th resistance 405 between positive input terminal and the outfan of the 2nd operational amplifier 406, the signal that will receive, is transferred to integrated management parts 6.
Its operation principle is: from the electric current of the secondary coil sensing of small current mutual inductor 102 after the 2nd rectifier bridge 401 rectification, charge to the 2nd electric capacity 402, it is amplified subsequently into the 2nd operational amplifier 406 or decays, being worth accordingly, passing to integrated management parts 6.
The dash current circuit 5 of the present embodiment can the big thunderbolt leakage current current value of Real-time Collection more than 10kA or 20kA, be made up of the 3rd rectifier bridge the 501, the 3rd electric capacity the 502, the 7th resistance the 505, the 8th resistance the 504, the 9th resistance the 505, the 3rd operational amplifier 506；The exchange end of the 3rd rectifier bridge 501 is in parallel with dash current transformer 103；The DC terminal of the 3rd rectifier bridge 501 is in parallel with the 3rd electric capacity 502, then connects with the 7th resistance 503；7th resistance 503 concatenates with the positive input terminal of the 3rd operational amplifier 506；3rd operational amplifier 506 bear end and the series connection of the 8th resistance 504 after, then ground connection；It is connected with integrated management parts 6 corresponding end after concatenating the 9th resistance 505 between positive input terminal and the outfan of the 3rd operational amplifier 506, the signal that will receive, is transferred to integrated management parts 6.
Its operation principle is: from the electric current of the secondary coil sensing of dash current transformer 103 after the 3rd rectifier bridge 501 rectification, charge to the 3rd electric capacity 502, it is amplified subsequently into the 3rd operational amplifier 506 or decays, being worth accordingly, passing to integrated management parts 6.
The integrated management parts 6 of the present embodiment are made up of single-chip microcomputer the 601, the 12nd resistance the 602, the 13rd resistance the 603, the 14th resistance the 604, the 15th resistance the 605, the 16th resistance the 606, the 9th electric capacity the 607, the 4th operational amplifier the 608 and the 5th operational amplifier 609 that model is STM32F103；Leakage Current circuit 3, small area analysis circuit 4, the outfan of dash current circuit 5 are connected with the corresponding input of single-chip microcomputer 601 respectively；P1.1 port and the 12nd resistance (602), the 13rd resistance 603 of single-chip microcomputer 601 concatenate；13rd resistance 603 is connected with the negative input end of the 4th operational amplifier 608；Between 12nd resistance the 602, the 13rd resistance 603 and after connecing the 9th electric capacity 607, then ground connection；The RS232 output port of single-chip microcomputer 601 corresponding ports with RS232 chip 12 respectively is connected；The output port of the 5th operational amplifier 609 is connected with the AD1 port of single-chip microcomputer 601；The 14th resistance 604 is concatenated between positive input terminal and the outfan of the 5th operational amplifier 609；Positive input terminal concatenation the 15th resistance 605 of the 5th operational amplifier 609 is connected with battery component 7；Negative input end concatenation the 16th resistance 606 of the 5th operational amplifier 609 is connected with battery component 7；Leakage Current signal that integrated management parts 6 collect, small area analysis signal, dash current signal input single-chip microcomputer 601 after operational amplifier adjusts, and single-chip microcomputer 601 output signal, by after operational amplifier, controls accumulator supplying power for outside.
Its operation principle is: the signal that single-chip microcomputer 601 is given by the 5th operational amplifier 609, judge that accumulator 701 electricity is the most sufficient, if accumulator 701 electricity is not enough, accumulator 701 powers to integrated management parts 6, if electricity is sufficient, then accumulator 701 powers to integrated management parts 6.Integrated management parts 6 on the other hand process receive current signal, temperature-humidity signal, gps signal, the form of the signal of GPRS the most transfers out.
The battery component 7 of the present embodiment is made up of accumulator 701, Charge Management IC702, power supply IC703, the 10th resistance the 704, the 11st resistance the 705, the 12nd resistance the 706, the 4th electric capacity the 707, the 5th electric capacity the 708, the 6th electric capacity the 709, the 7th electric capacity the 710, the 8th electric capacity the 711, the 4th diode the 712, the 5th diode the 713, the 1st inductance the 714, the 6th diode 715；It is connected with accumulator 701 positive pole after EX port concatenation the 1st inductance 714 the 4th diode 712 of Charge Management IC702；After COMP end concatenation the 11st resistance 705 of Charge Management IC702, then concatenate ground connection after the 8th electric capacity 711；Between EX port and the 4th diode 712 of Charge Management IC702 after the 12nd resistance 706 in parallel, connect the FB end of Charge Management IC702；Ground connection after FB termination the 10th resistance 704 of Charge Management IC702；The equal ground connection of PGND Yu AGND end of Charge Management IC702；The VIN port of Charge Management IC702 connects the positive output port of solar elements 8；Input port corresponding with power supply IC703 after the positive output port of solar elements 8 and the series connection of the 6th diode 715 is connected, the positive pole of accumulator 701 after the 6th electric capacity the 709, the 7th electric capacity 710 in parallel with between negative pole, receives the corresponding input port of power supply IC703 after connecing the 5th diode 713；After the output port of power supply IC703 the 4th electric capacity the 707, the 5th electric capacity 708 in parallel, it is connected in integrated management parts 6 the corresponding power input of single-chip microcomputer 601 arranged；The output of the 4th operational amplifier 608 arranged in integrated management parts 6 is connected with the FB end of power supply IC703；The COMP end of power supply IC703 is connected in integrated management parts 6 the 15th resistance 605 arranged.
Its operation principle is: solar elements 8 is charged to accumulator 701 by Charge Management IC702, integrated management parts 6 control accumulator 701 by power supply IC703 and power to integrated management parts 6, or accumulator 701 receives solar elements 8 and charges, when accumulator 701 is charged, then directly powered to integrated management parts 6 by power supply IC703 by solar elements 8.
It is connected with battery component 7 input and integrated management parts 6 respectively after after the outfan of the solar elements 8 of the present embodiment and the 1st capacitor the 801, the 2nd capacitor 802 parallel connection.
Its operation principle is: solar panels support 804 supports solar panel 803, is allowed at utmost receive sunlight, converts light energy into electric energy, after the 1st capacitor the 801, the 2nd capacitor 802, charges to accumulator 701 or powers to integrated management parts 6.
The GPRS parts 9 of the present embodiment
GPRS is MTU6000 main element 2 and the channel of system server communication, GPRS module 901 and GPRS antenna 902 compose in series, and GPRS module 901 input port is connected with single-chip microcomputer 601 after being connected by the port corresponding with RS232 chip 12.Single-chip microcomputer 601, by data such as the internal humitures of the Leakage Current calculated, small area analysis and dash current, the number of times of thunderbolt, the time of thunderbolt, terminal location and spark gap, through GPRS module, is transmitted to system server by GPRS antenna.
The GPS parts 10 of the present embodiment are the channels of MTU6000 main element 2 and satellite communication, composed in series by GPS module 1001 and gps antenna 1002, GPS module 1001 input port by the port corresponding with RS232 chip 12 be connected after be connected with single-chip microcomputer 601, it is achieved pair time and positioning function.
The humiture collection parts 11 of this enforcement, the port corresponding with the single-chip microcomputer 601 arranged in integrated management parts 6 is connected, and will gather the temperature signal of spark gap, moisture signal for gathering, and signal passes to single-chip microcomputer 601.
Its operation principle is: the temperature and humidity that will monitor, and is converted to voltage signal, is then passed to integrated management parts 6.
The present invention can the Leakage Current of real time record spark gap, small area analysis, dash current, number of shocks, the internal humiture of dash current peak value and spark gap etc., it is achieved that the comprehensive monitoring to spark gap parameter, and then may determine that spark gap running status.According to the current in resistance property size of spark gap and dash current number of times and peak synthesis, patrol officer can judge that spark gap the need of maintenance or is changed.
nullAlthough this specification more employs transformer acquisition component 1、MTU6000 main element 2、Solar elements 8、GPRS parts 9、GPS parts 10、Humiture collection parts 11、Leakage Current circuit 3、Small area analysis circuit 4、Dash current circuit 5、Integrated management parts 6、Battery component 7、Leakage Current transformer 101、Small current mutual inductor 102、Dash current transformer 103、1st rectifier bridge 301、1st electric capacity 302、1st resistance 303、2nd resistance 304、3rd resistance 305、1st operational amplifier 306、2nd rectifier bridge 401、2nd electric capacity 402、4th resistance 403、5th resistance 404、6th resistance 405、2nd operational amplifier 406、3rd rectifier bridge 501、3rd electric capacity 502、7th resistance 505、8th resistance 504、9th resistance 505、3rd operational amplifier 506、Single-chip microcomputer 601、12nd resistance 602、13rd resistance 603、14th resistance 604、15th resistance 605、16th resistance 606、9th electric capacity 607、4th operational amplifier 608、5th operational amplifier 609、Accumulator 701、Charge Management IC702、Power supply IC703、10th resistance 704、11st resistance 705、12nd resistance 706、4th electric capacity 707、5th electric capacity 708、6th electric capacity 709、7th electric capacity 710、8th electric capacity 711、4th diode 712、5th diode 713、1st capacitor 801、2nd capacitor 802、Solar panels support 804、Solar panel 803、GPRS module 901、GPRS antenna 902、GPS module 1001、Gps antenna 1002 term such as grade，But it is not precluded from using the probability of other terms.Using these terms to be only used to more easily to describe the essence of the present invention, it is all contrary with spirit of the present invention for being construed as any additional restriction.
It should be appreciated that the part that this specification does not elaborates belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is the most detailed; therefore the restriction to scope of patent protection of the present invention can not be considered; those of ordinary skill in the art is under the enlightenment of the present invention; under the ambit protected without departing from the claims in the present invention; can also make replacement or deformation, within each falling within protection scope of the present invention, the scope that is claimed of the present invention should be as the criterion with claims.
Claims (10)
1. a spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking, it is characterised in that: include transformer acquisition component (1), MTU6000 main element (2), solar elements (8), GPRS parts (9), GPS parts (10)；
MTU6000 main element (2) includes Leakage Current circuit (3), small area analysis circuit (4), dash current circuit (5), integrated management parts (6), battery component (7)；
Solar elements (8) is connected with battery component (7) input and integrated management parts (6) respectively, charge to battery component (7), it also is able to power to integrated management parts (6), battery component (7) outfan and integrated management parts (6) connect, for when solar elements (8) is idle, power to integrated management parts (6)；
Transformer acquisition component (1) is connected on arrester ground line, Leakage Current circuit (3), small area analysis circuit (4), dash current circuit (5) are connected with transformer acquisition component (1) corresponding end, for gathering the Leakage Current signal of spark gap, small area analysis signal, dash current signal；
Leakage Current circuit (3), small area analysis circuit (4), dash current circuit (5) are connected with integrated management parts (6) corresponding end, and the signal that will receive is transferred to integrated management parts (6)；
Integrated management parts (6) are connected with GPRS parts (9) and GPS parts (10), control GPRS parts (9) and GPS parts (10) and server communication；
The Leakage Current signal received, small area analysis signal, dash current signal, gps signal are passed to system server by GPRS parts (9) by integrated management parts (6), and system server just can monitor the running status of spark gap all sidedly；
Described Leakage Current circuit (3) is made up of the 1st rectifier bridge (301), the 1st electric capacity (302), the 1st resistance (303), the 2nd resistance (304), the 3rd resistance (305), the 1st operational amplifier (306)；The exchange end of the 1st rectifier bridge (301) is in parallel with Leakage Current transformer (101), and the DC terminal of the 1st rectifier bridge (301) is in parallel with the 1st electric capacity (302), then connects with the 1st resistance (303)；1st resistance (303) concatenates with the positive input terminal of the 1st operational amplifier (306)；1st operational amplifier (306) bear ground connection again after end and the series connection of the 2nd resistance (304)；Concatenate the 3rd resistance (305) between positive input terminal and the outfan of the 1st operational amplifier (306) to be connected with integrated management parts (6) corresponding end afterwards, the signal that will receive, be transferred to integrated management parts (6).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterized in that: described transformer acquisition component (1) includes Leakage Current transformer (101), small current mutual inductor (102) and dash current transformer (103), described Leakage Current transformer (101) is connected with described Leakage Current circuit (3), for gathering the Leakage Current signal of spark gap；Described small current mutual inductor (102) is connected with described small area analysis circuit (4), for gathering the small area analysis signal of spark gap；Described dash current transformer (103) is connected with described dash current circuit (5), for gathering the dash current signal of spark gap.
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1 and 2, it is characterised in that: described small area analysis circuit (4) is made up of the 2nd rectifier bridge (401), the 2nd electric capacity (402), the 4th resistance (403), the 5th resistance (404), the 6th resistance (405), the 2nd operational amplifier (406)；The exchange end of the 2nd rectifier bridge (401) is in parallel with small current mutual inductor (102)；The DC terminal of the 2nd rectifier bridge (401) is in parallel with the 2nd electric capacity (402), then connects with the 4th resistance (403)；4th resistance (403) concatenates with the positive input terminal of the 2nd operational amplifier (406)；2nd operational amplifier (406) bear end and the series connection of the 5th resistance (404) after, then ground connection；Concatenate the 6th resistance (405) between positive input terminal and the outfan of the 2nd operational amplifier (406) to be connected with integrated management parts (6) corresponding end afterwards, the signal that will receive, be transferred to integrated management parts (6).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1 and 2, it is characterised in that: described dash current circuit (5) is made up of the 3rd rectifier bridge (501), the 3rd electric capacity (502), the 7th resistance (505), the 8th resistance (504), the 9th resistance (505), the 3rd operational amplifier (506)；The exchange end of the 3rd rectifier bridge (501) is in parallel with dash current transformer (103)；The DC terminal of the 3rd rectifier bridge (501) is in parallel with the 3rd electric capacity (502), then connects with the 7th resistance (503)；7th resistance (503) concatenates with the positive input terminal of the 3rd operational amplifier (506)；3rd operational amplifier (506) bear end and the series connection of the 8th resistance (504) after, then ground connection；Concatenate the 9th resistance (505) between positive input terminal and the outfan of the 3rd operational amplifier (506) to be connected with integrated management parts (6) corresponding end afterwards, the signal that will receive, be transferred to integrated management parts (6).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterized in that: described integrated management parts (6) are by the single-chip microcomputer (601) that model is STM32F103, 12nd resistance (602), 13rd resistance (603), 14th resistance (604), 15th resistance (605), 16th resistance (606), 9th electric capacity (607), 4th operational amplifier (608) and the 5th operational amplifier (609), and the 4th electric capacity (610), 5th electric capacity (611), 6th electric capacity (612), 7th electric capacity (613), 1st diode (614), regulated power supply IC (615), 6th diode (616) composition；Leakage Current circuit (3), small area analysis circuit (4), the outfan of dash current circuit (5) are connected with the corresponding input of single-chip microcomputer (601) respectively；The P1.1 port of single-chip microcomputer (601) and the 12nd resistance (602), the 13rd resistance (603) concatenation；13rd resistance (603) is connected with the negative input end of the 4th operational amplifier (608)；Between 12nd resistance (602), the 13rd resistance (603) and after connecing the 9th electric capacity (607), then ground connection；The RS232 output port of single-chip microcomputer (601) corresponding ports with RS232 chip (12) respectively is connected；The output port of the 5th operational amplifier (609) is connected with the AD1 port of single-chip microcomputer (601)；The 14th resistance (604) is concatenated between positive input terminal and the outfan of the 5th operational amplifier (609)；Positive input terminal concatenation the 15th resistance (605) of the 5th operational amplifier (609) is connected with regulated power supply IC (615)；Negative input end concatenation the 16th resistance (606) of the 5th operational amplifier (609) is connected to ground, after the output port of regulated power supply IC (615) the 6th electric capacity (612) in parallel and the 7th electric capacity (613), connect the corresponding power input of single-chip microcomputer (601)；The output of the 4th operational amplifier (608) is connected with the FB end of power supply regulated power supply IC (615)；The COMP end of regulated power supply IC (615) is connected to the 15th resistance (605), regulated power supply IC (615) input is connected in parallel the 6th electric capacity (612) and the 7th electric capacity (613), being simultaneously connected to battery component (7), input is connected with solar elements (8) by the 6th diode (616).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterised in that: described battery component (7) is by accumulator (701), Charge Management IC(702), the 10th resistance (704), the 11st resistance (705), the 12nd resistance (706), the 4th electric capacity (707), the 5th electric capacity (708), the 8th electric capacity (711), the 4th diode (712), the 5th diode (713), the 1st inductance (714), the 6th diode (715) form；Charge Management IC(702) EX port concatenation the 1st inductance (714) and the 4th diode (712) be connected with accumulator (701) positive pole afterwards；Charge Management IC(702) COMP end concatenation the 11st resistance (705) after, then concatenate ground connection after the 8th electric capacity (711)；Charge Management IC(702) EX port and the 4th diode (712) between after 12nd resistance (706) in parallel, connect Charge Management IC(702) FB end；Charge Management IC(702) FB termination the 10th resistance (704) after ground connection；Charge Management IC(702) the equal ground connection of PGND Yu AGND end；Charge Management IC(702) VIN port connect the positive output port of solar elements (8)；Being connected with integrated management parts (6) after the positive output port of solar elements (8) and the series connection of the 6th diode (715), the positive pole of accumulator (701) connects the 5th diode (713) and is connected with integrated management parts (6) afterwards.
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterised in that: it is connected with battery component (7) input and integrated management parts (6) respectively after the outfan of described solar elements (8) and the 1st capacitor (801), the 2nd capacitor (802) parallel connection.
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterized in that: described GPRS parts (9) are composed in series by GPRS module (901) and GPRS antenna (902), GPRS module (901) input port is connected with described integrated management parts (6) after being connected by the port corresponding with RS232 chip (12).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterized in that: described GPS parts (10) are composed in series by GPS module (1001) and gps antenna (1002), GPS module (1001) input port is connected with described integrated management parts (6) after being connected by the port corresponding with RS232 chip (12).
Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking the most according to claim 1, it is characterized in that: described spark gap condition diagnosing system is additionally provided with humiture collection parts (11), the port corresponding with the single-chip microcomputer (601) arranged in described integrated management parts (6) is connected, the temperature signal of spark gap, moisture signal will be gathered for gathering, and signal is passed to single-chip microcomputer (601).
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| CN201410391525.2A CN104122478B (en) | 2014-08-11 | 2014-08-11 | Spark gap condition diagnosing system based on percussion action and Leakage Current on-line checking |
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| CN105865532A (en) * | 2016-06-07 | 2016-08-17 | 贵州电网有限责任公司电力科学研究院 | Monitoring and alarming system for transformer substation secondary system TMOV lightning arrester main board |
| CN106501590A (en) * | 2016-11-03 | 2017-03-15 | 长沙群瑞电子科技有限公司 | A kind of spark gap comprehensive parameters remote monitoring device |
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| CN110320422B (en) * | 2019-07-01 | 2021-07-02 | 国网江西省电力有限公司电力科学研究院 | Line arrester action reliability assessment method based on multi-parameter fusion |
| CN110596482A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | Power transmission line lightning arrester detection system based on inductive power supply and detection method thereof |
| CN110780227A (en) * | 2019-10-29 | 2020-02-11 | 国网辽宁省电力有限公司电力科学研究院 | Online monitoring device and method for leakage current of lightning arrester of power transmission line |
| CN111122958A (en) * | 2019-12-06 | 2020-05-08 | 国家电网公司 | Intelligent remote monitoring and accurate positioning system for action of lightning arrester of power transmission line |
| CN111289823A (en) * | 2020-03-02 | 2020-06-16 | 南京世都科技有限公司 | Lightning arrester monitoring device |
| CN111609981B (en) * | 2020-06-30 | 2024-04-12 | 湖南科技大学 | Rapid detection device for channel leakage area and use method |
| CN112213664A (en) * | 2020-09-29 | 2021-01-12 | 国网陕西省电力公司咸阳供电公司 | Internal monitoring method and system for lightning arrester |
| CN112684244B (en) * | 2020-11-10 | 2022-08-30 | 国网宁夏电力有限公司 | Method, medium and system for detecting action current type of lightning arrester |
| CN112798856A (en) * | 2020-12-31 | 2021-05-14 | 安徽亘达信息科技有限公司 | Equipment operation detection device and method based on Internet of things |
| CN113721100A (en) * | 2021-09-18 | 2021-11-30 | 国网安徽省电力有限公司马鞍山供电公司 | Lightning arrester online monitoring device capable of performing fault early warning and control method thereof |
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Address after: 570100 Hairuihou Road, Longhua District, Haikou City, Hainan Province, 23 Co-patentee after: Routon Electronic Co., Ltd. Patentee after: Hainan Electric Power Grid Co., Ltd. Electric Power Research Institute Address before: No. 34 Haifu Road, Haikou City, Hainan Province, 570125 Co-patentee before: Routon Electronic Co., Ltd. Patentee before: Hainan Power Technology Research Institute |