CN105467197A - Online monitoring device of integrated lightning arrester - Google Patents
Online monitoring device of integrated lightning arrester Download PDFInfo
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- CN105467197A CN105467197A CN201511005097.6A CN201511005097A CN105467197A CN 105467197 A CN105467197 A CN 105467197A CN 201511005097 A CN201511005097 A CN 201511005097A CN 105467197 A CN105467197 A CN 105467197A
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- lightning arrester
- line monitor
- monitor device
- reometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/17—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values giving an indication of the number of times this occurs, i.e. multi-channel analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0092—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only
Abstract
The invention relates to the technical field of online monitoring of arresters and especially relates to an online monitoring device of an integrated lightning arrester. The invention specifically provides the monitoring device and a measurement method of the lightning arrester. The device and method integrate a mechanical lightning arrester monitoring device and an electronic lightning arrester online monitoring device aiming at a gapless metallic oxide lightning arrester. The online monitoring device of the integrated lightning arrester provided by the invention is composed through in-series connection of the mechanical lightning arrester monitoring device and the electronic lightning arrester online monitoring device, wherein after the in-series connection, the overall device is connected to a resistor disc in parallel. The device has the advantages that a total current, a resistive current, a quantity of action times, action occurrence time and other parameters of the lightning arrester can be monitored online; and the device is also equipped with functions such as display of a local mechanical ampere meter and a counting meter, remote communications and local data storage. The device increases data measurement accuracy, carries out remote transmission of data, enables repair workers to carry out on-site repair, maintenance and installation conveniently, satisfies development requirements of an intelligent substation, provides a new method for the online monitoring of an insulation state of the lightning arrester, is applicable to the online monitoring of the lightning arresters with various voltage grades and has wide application prospect.
Description
Technical field
The present invention relates to lightning arrester on-line monitoring technique field, particularly relate to integrated lightning arrester on-Line Monitor Device, specifically for gapless metal-oxide lighting arrester, the lightning arrester monitoring device integrated with electronic type lightning arrester on-Line Monitor Device by mechanical type lightning arrester monitoring device and measuring method.
Background technology
In electric system, lightning arrester as transformer station protective device and be widely used.Traditional lightning arrester monitoring mode adopts mechanical type reometer and count table to monitor lightning arrester running status, measure inaccurate and can not teletransmission, operations staff can only arrive dam site investigation data, and so not only workload is large, efficiency is low but also can not the operation troubles of Timeliness coverage lightning arrester.In order to address these problems, domesticly there is electronic type lightning arrester on-Line Monitor Device successively, possess Monitoring Data and data remote function.
At present, although electronic type lightning arrester on-Line Monitor Device is applied on-the-spot, but traditional lightning arrester count table still needs to retain, because maintainer needs to utilize traditional count table to draw measurement point, to use testing current in resistance property instrument, and electronic type lightning arrester on-Line Monitor Device adopts mutual inductor to measure, measurement point cannot be drawn, also just resistive current tester cannot be used, so mechanical type lightning arrester monitoring device and electronic type lightning arrester on-Line Monitor Device are mostly arranged on lightning arrester body by scene simultaneously, this just causes monitoring device complex structure, integrated level is low, install loaded down with trivial details, troublesome maintenance, the problems such as cost increase.
Summary of the invention
The present invention is directed to above-mentioned problems of the prior art, provide integrated lightning arrester on-Line Monitor Device, be for gapless metal-oxide lighting arrester integrated on-line monitoring method and have developed monitoring device on this basis.Object is to realize the on-Line Monitor Device of each electric pressure lightning arrester and the integrated of mechanical type monitoring device, meeting intelligent substation demand for development, for lightning arrester on-line monitoring provides new method.
For the technical matters existed in above-mentioned prior art, the present invention adopts following technical scheme to realize:
Integration lightning arrester on-Line Monitor Device, comprises housing, reometer and count table; It is by the mechanical type lightning arrester monitoring device be arranged in housing and electronic type lightning arrester on-Line Monitor Device in series, the entirety after series connection and resistor disc are connected in parallel.
Described shell material is that cast aluminium material is formed.
Described electronic type lightning arrester on-Line Monitor Device comprises: mutual inductor and signal conditioning circuit, lightning strike signals trigger circuit, central processor circuit, communication and protection circuit, clock circuit, memory circuit, power supply and protection circuit; Electronic type lightning arrester on-Line Monitor Device enter end be exactly mutual inductor and signal conditioning circuit enter end, electronic type lightning arrester on-Line Monitor Device go out end be exactly lightning strike signals trigger circuit go out end;
Described mechanical type lightning arrester monitoring device comprises: reometer, count table, reometer driving circuit, count table driving circuit; Mechanical type lightning arrester monitoring device enter end be exactly reometer driving circuit enter end, mechanical type lightning arrester monitoring device go out end be exactly count table driving circuit go out end;
Mechanical type lightning arrester monitoring device go out entering to hold and being connected by the wire on printed circuit board (PCB) of end and electronic type lightning arrester on-Line Monitor Device, thus define cascaded structure; The end that enters of mechanical type lightning arrester monitoring device is connected with one end of resistor disc, and the end that goes out of electronic type lightning arrester on-Line Monitor Device is connected with the other end of resistor disc, thus forms parallel-connection structure.
The process that central processing unit in described central processor circuit obtains total current, current in resistance property and action frequency is as follows: when leakage current flows through mutual inductor, induction current can be induced at the secondary side of mutual inductor, induction current carries out the operations such as the conversion of I/V signal, filtering, amplification through signal conditioning circuit again, transfer to central processor circuit to carry out sampling, calculating subsequently, and then obtain total current value and current in resistance property value; When there being superpotential, lightning strike signals trigger circuit produce a trigger pip, trigger central processing unit counting once; After central processing unit obtains total current, current in resistance property and action frequency; also timestamp will be added a cover; wherein the time is provided by clock circuit; final result passes to memory circuit and carries out this locality storage; or pass to communication and protection circuit carry out data remote, power supply and protection circuit are powered and protection to package unit.
Described housing is connected and composed by case top lid and lower house lower cover, and case top lid has window, and window is sealedly connected with window glass, and reometer, count table are installed in case top lid, shows from window glass 4; Cover under housing and be provided with aviation plug and projection; Insulating press boards covers under being arranged on housing, is used for fixing resistor disc; Cold pressing connection terminal covers under being arranged on housing, is used for connecting integration lightning arrester on-Line Monitor Device and on-the-spot tie-in line; Be provided with resistor disc in the middle of housing lower cover, resistor disc is in parallel with circuit board; Insulation column is equipped with on housing lower cover top, and leakage current of an arrester is incorporated on circuit board by insulation column.
Described projection is provided with set bolt, is used for connecting integration lightning arrester on-Line Monitor Device and site grounding wire.
Described window glass is tempered glass.
Described internal circuit board comprises: reometer driving circuit, count table driving circuit, mutual inductor and signal conditioning circuit, lightning strike signals trigger circuit, central processor circuit, communication and protection circuit, clock circuit, memory circuit and power supply and protection circuit; Wherein reometer driving circuit is connected with count table driving circuit, count table driving circuit is connected with mutual inductor and signal conditioning circuit, mutual inductor and signal conditioning circuit are connected with lightning strike signals trigger circuit, and this four partial circuit has just been concatenated into the circulation path of leakage current;
Mutual inductor and signal conditioning circuit are connected with central processor circuit, obtain total current value and current in resistance property value for central processor circuit; Lightning strike signals trigger circuit are connected with central processor circuit, obtain action frequency for central processor circuit; Communication and protection circuit are connected with central processor circuit, realize telecommunication; Clock circuit is connected with central processor circuit, for device provides the time; Memory circuit is connected with central processor circuit, for storing data; Power supply and protection circuit provide direct supply for all circuit.
Described leakage current of an arrester is incorporated on circuit board by insulation column, afterwards on circuit boards to flow through path as follows: leakage current flows through reometer driving circuit, count table driving circuit, mutual inductor and signal conditioning circuit, lightning strike signals trigger circuit successively, flows into the earth finally by shell;
When circuit there is no superpotential, Analyse of Reject-acting Arrester, leakage current is very little, now, count table driving circuit and lightning strike signals trigger circuit all can not actions, and count table does not count, central processing unit does not also count, reometer driving circuit normally works, and reometer can normally indicate total current value, and central processing unit normally can obtain total current value and current in resistance property value; When circuit there is superpotential; lightning arrestor movement, electric current is very large, and resistor disc transient switching is released big current; now; count table driving circuit and lightning strike signals trigger circuit all can actions, and count table counts 1 time, and central processing unit also counts 1 time; reometer driving circuit is in protected state; reometer reading is meaningless, and total current value and the current in resistance property value of central processing unit acquisition are also meaningless, and after superpotential occurs, device recovers normal.
Two resistor discs in parallel are equipped with in described housing lower cover centre.
Tool of the present invention has the following advantages and beneficial effect:
The present invention is integrated with electronic type lightning arrester on-Line Monitor Device by mechanical type lightning arrester monitoring device, can the parameter such as time of occurring of on-line monitoring lightning arrester total current, current in resistance property, action frequency and action, and there is local mechanical reometer, count table display, telecommunication, the functions such as the local storage of data.Improve DATA REASONING precision, achieve data remote, simultaneously for maintainer remains the interface of site examining and repairing, field operator is allowed to read leakage current of an arrester and action frequency more intuitively by the reometer in device window, count table, conveniently check the various running statuses of lightning arrester, also simplify the structure of monitoring device on lightning arrester body simultaneously.The present invention combines owing to adopting resistor disc and mutual inductor two kinds of employing modes, both the function of traditional mechanical counter had been retained, also all functions of electronic type on-line monitoring are possessed, be easier to safeguard and install, meet the demand for development of intelligent substation, for lightning arrester insulation state on_line monitoring provides new method.
This device also has telecommunications functions, adopts MODBUS-RTU agreement, standard RS485 communication interface, and messaging parameter can flexible configuration, can with comprehensive state monitoring means (main IED) slitless connection.With timestamp total current, the Monitoring Data such as current in resistance property and action frequency can device storage inside more than 1 year.When the lightning arrester current value that device is monitored exceedes user's setting value, by output alarm signal, the aging or problem of making moist of Timeliness coverage lightning arrester, prevents the generation of fault.
The technique effect that the present invention reaches is: 1. realize telemonitoring and failure prediction; 2. speed and the precision of the judgement of lightning arrester operating mode is accelerated; 3. monitoring expense is reduced.Lightning arrester remote online monitoring has larger economic benefit and social effect.Both met the use of testing current in resistance property instrument, the intelligent demand of transformer substation arrester state of insulation on-line monitoring can have been met again simultaneously.This device is applicable to the on-line monitoring of each electric pressure lightning arrester, and it has a extensive future.
Below in conjunction with the drawings and specific embodiments to the present invention's detailed description in addition.
Accompanying drawing explanation
Fig. 1 and Fig. 2 is external structure schematic diagram of the present invention;
Fig. 3 is inner structure schematic diagram of the present invention;
Fig. 4 is board structure of circuit block diagram of the present invention.
In figure: case top lid 1; circuit board 2, reometer, count table 3, window glass 4; aviation plug 5; protruding 6, set bolt 7, housing lower cover 8; insulating press boards 9; resistor disc 10, cold pressing connection terminal 11, reometer driving circuit 12, count table driving circuit 13, mutual inductor and signal conditioning circuit 14, lightning strike signals trigger circuit 15, central processor circuit 16, communication and protection circuit 17, clock circuit 18, memory circuit 19, power supply and protection circuit 20.
Embodiment
The present invention is integrated lightning arrester on-Line Monitor Device; it is the integrated on-Line Monitor Device for gapless metal-oxide lighting arrester; by mechanical type lightning arrester monitoring device and electronic type lightning arrester on-Line Monitor Device in series; entirety after series connection is in parallel with resistor disc, and resistor disc plays the effect of pressure limiting, protection.
As shown in Figure 1-Figure 3, wherein mechanical type lightning arrester monitoring device comprises: reometer, count table 3, reometer driving circuit 12, count table driving circuit 13.
As shown in Figure 4, electronic type lightning arrester on-Line Monitor Device comprises: mutual inductor and signal conditioning circuit 14, lightning strike signals trigger circuit 15, central processor circuit 16, communication and protection circuit 17, clock circuit 18, memory circuit 19, power supply and protection circuit 20.
Mechanical type lightning arrester monitoring device enter end be exactly reometer driving circuit 12 enter end, mechanical type lightning arrester monitoring device go out end be exactly count table driving circuit 13 go out end; Electronic type lightning arrester on-Line Monitor Device enter end be exactly mutual inductor and signal conditioning circuit 14 enter end, electronic type lightning arrester on-Line Monitor Device go out end be exactly lightning strike signals trigger circuit 15 go out end.Mechanical type lightning arrester monitoring device go out entering to hold and being connected by the wire on printed circuit board (PCB) of end and electronic type lightning arrester on-Line Monitor Device, thus define cascaded structure; The end that enters of mechanical type lightning arrester monitoring device is connected with one end of resistor disc, and the end that goes out of electronic type lightning arrester on-Line Monitor Device is connected with the other end of resistor disc, thus defines parallel-connection structure.
The present invention specifically comprises housing, resistor disc 10, and reometer, count table 3 and internal circuit board 2 are formed.
Described internal circuit board 2 comprises: reometer driving circuit 12, count table driving circuit 13, mutual inductor and signal conditioning circuit 14, lightning strike signals trigger circuit 15, central processor circuit 16, communication and protection circuit 17, clock circuit 18, memory circuit 19, power supply and protection circuit 20.
Described housing is connected and composed by case top lid 1 and lower house lower cover 8, and case top lid 1 has window, window is sealedly connected with window glass 4, and window glass 4 is tempered glass.Reometer, count table 3 are installed in case top lid 1, show from window glass 4; Housing lower cover 8 is also provided with aviation plug 5 and protruding 6, set bolt 7 is arranged in the mounting hole on protruding 6, is used for connecting integration lightning arrester on-Line Monitor Device and site grounding wire; Insulating press boards 9 is arranged on housing lower cover 8, is used for fixing resistor disc 10; Cold pressing connection terminal 11 is arranged on housing lower cover 8, is used for connecting integration lightning arrester on-Line Monitor Device and on-the-spot tie-in line.Described shell material is that cast aluminium material is formed.Two resistor discs 10 in parallel are equipped with in housing lower cover 8 centre, and resistor disc 10 is in parallel with circuit board 2, is not damaged with the device on protection circuit plate; Housing lower cover 8 bottom is also provided with two place's mounting holes and the two places aviation socket for wiring.Insulation column is equipped with on housing lower cover 8 top, leakage current of an arrester is incorporated on circuit board 2 by insulation column, afterwards on the circuit board 2 to flow through path as follows: leakage current flows through reometer driving circuit 12, count table driving circuit 13, mutual inductor and signal conditioning circuit 14, lightning strike signals trigger circuit 15 successively, flows into the earth finally by shell.Namely, described leakage current of an arrester is incorporated on circuit board 2 by insulation column, leakage current connects reometer driving circuit 12 on the circuit board 2 afterwards, reometer driving circuit 12 is connected with count table driving circuit 13, count table driving circuit 13 is connected with mutual inductor and signal conditioning circuit 14, mutual inductor and signal conditioning circuit 14 are connected with lightning strike signals trigger circuit 15, and flow into the earth finally by shell, this part circuit has just been concatenated into the circulation path of leakage current.
Mutual inductor and signal conditioning circuit 14 are connected with central processor circuit 16, obtain total current value and current in resistance property value for central processor circuit 16.Lightning strike signals trigger circuit 15 are connected with central processor circuit 16, obtain action frequency for central processor circuit 16.Communication and protection circuit 17 are connected with central processor circuit 16, realize telecommunication.Clock circuit 18 is connected with central processor circuit 16, for device provides the time.Memory circuit 19 is connected with central processor circuit 16, for storing data.Power supply and protection circuit 20 provide direct supply for all circuit.
Described circuit board 2, when circuit there is no superpotential, Analyse of Reject-acting Arrester, leakage current is very little, now, count table driving circuit 13 and lightning strike signals trigger circuit 15 all can not actions, count table 3 does not count, and central processing unit does not also count, and reometer driving circuit 12 normally works, reometer can normally indicate total current value, and central processing unit normally can obtain total current value and current in resistance property value; When circuit there is superpotential; lightning arrestor movement, electric current is very large, and resistor disc transient switching is released big current; now; count table driving circuit 13 and lightning strike signals trigger circuit 15 all can actions, and count table counts 1 time, and central processing unit also counts 1 time; reometer driving circuit 12 is in protected state; reometer reading is meaningless, and total current value and the current in resistance property value of central processing unit acquisition are also meaningless, and after superpotential occurs, device recovers normal.
The process that central processing unit in described central processor circuit 16 obtains total current, current in resistance property and action frequency is as follows: when leakage current flows through mutual inductor, induction current can be induced at the secondary side of mutual inductor, induction current carries out the operations such as the conversion of I/V signal, filtering, amplification through signal conditioning circuit again, transfer to central processor circuit to carry out sampling, calculating subsequently, and then obtain total current value and current in resistance property value.When there being superpotential, lightning strike signals trigger circuit 15 can produce a trigger pip, trigger central processing unit counting once.After central processing unit obtains total current, current in resistance property and action frequency, also will add a cover timestamp, wherein the time is provided by clock circuit 18.Final result can pass to memory circuit 19 carry out this locality store, or pass to communication and protection circuit 17 carry out data remote.Power supply and protection circuit 20 are powered and protection to package unit.
The present invention can the parameter such as time of occurring of on-line monitoring lightning arrester total current, current in resistance property, action frequency and action, by the display of mechanical indicator table total current, electromagnetic gear display action number of times, device internal mutual sensor can precise engineering surveying small area analysis, and measurement result teletransmission to backstage.Mutual inductor electrical isolation technology can also be utilized, the inner hi-lo circuit electrical isolation of implement device, can when not needing bypass to assist, can charged for replacement lightning arrester on-Line Monitor Device.
As mentioned above, embodiments of the invention have been described in detail, but as long as do not depart from inventive point of the present invention in fact and effect can have a lot of distortion, this will be readily apparent to persons skilled in the art.Therefore, such variation is also all included within protection scope of the present invention.
Claims (10)
1. integrated lightning arrester on-Line Monitor Device, comprises housing, reometer and count table; It is characterized in that: it be by the mechanical type lightning arrester monitoring device be arranged in housing and electronic type lightning arrester on-Line Monitor Device in series, the entirety after series connection and resistor disc are connected in parallel.
2. integrated lightning arrester on-Line Monitor Device according to claim 1, is characterized in that: described shell material is that cast aluminium material is formed.
3. integrated lightning arrester on-Line Monitor Device according to claim 1, is characterized in that:
Described electronic type lightning arrester on-Line Monitor Device comprises: mutual inductor and signal conditioning circuit (14), lightning strike signals trigger circuit (15), central processor circuit (16), communication and protection circuit (17), clock circuit (18), memory circuit (19), power supply and protection circuit (20); Electronic type lightning arrester on-Line Monitor Device enter end be exactly mutual inductor and signal conditioning circuit (14) enter end, electronic type lightning arrester on-Line Monitor Device go out end be exactly lightning strike signals trigger circuit (15) go out end;
Described mechanical type lightning arrester monitoring device comprises: reometer, count table (3), reometer driving circuit (12), count table driving circuit (13); Mechanical type lightning arrester monitoring device enter end be exactly reometer driving circuit (12) enter end, mechanical type lightning arrester monitoring device go out end be exactly count table driving circuit (13) go out end;
Mechanical type lightning arrester monitoring device go out entering to hold and being connected by the wire on printed circuit board (PCB) of end and electronic type lightning arrester on-Line Monitor Device, thus define cascaded structure; The end that enters of mechanical type lightning arrester monitoring device is connected with one end of resistor disc, and the end that goes out of electronic type lightning arrester on-Line Monitor Device is connected with the other end of resistor disc, thus forms parallel-connection structure.
4. integrated lightning arrester on-Line Monitor Device according to claim 3, it is characterized in that: the process that the central processing unit in described central processor circuit (16) obtains total current, current in resistance property and action frequency is as follows: when leakage current flows through mutual inductor, induction current can be induced at the secondary side of mutual inductor, induction current carries out the operations such as the conversion of I/V signal, filtering, amplification through signal conditioning circuit again, transfer to central processor circuit to carry out sampling, calculating subsequently, and then obtain total current value and current in resistance property value; When there being superpotential, lightning strike signals trigger circuit (15) produce a trigger pip, trigger central processing unit counting once; After central processing unit obtains total current, current in resistance property and action frequency; also timestamp will be added a cover; wherein the time is provided by clock circuit (18); final result passes to memory circuit (19) and carries out this locality storage; or pass to communication and protection circuit (17) carry out data remote, power supply and protection circuit (20) are powered and protection to package unit.
5. integrated lightning arrester on-Line Monitor Device according to claim 1, it is characterized in that: described housing is connected and composed by case top lid (1) and lower house lower cover (8), case top lid (1) has window, window is sealedly connected with window glass (4), reometer, count table (3) are installed in case top lid (1), show from window glass (4); Housing lower cover (8) is provided with aviation plug (5) and protruding (6); Insulating press boards (9) is arranged on housing lower cover (8), is used for fixing resistor disc (10); Cold pressing connection terminal (11) is arranged on housing lower cover (8), is used for connecting integration lightning arrester on-Line Monitor Device and on-the-spot tie-in line; Be provided with resistor disc (10) in the middle of housing lower cover (8), resistor disc (10) is in parallel with circuit board (2); Insulation column is equipped with on housing lower cover (8) top, and leakage current of an arrester is incorporated on circuit board (2) by insulation column.
6. integrated lightning arrester on-Line Monitor Device according to claim 5, is characterized in that: described projection (6) is provided with set bolt (7), is used for connecting integration lightning arrester on-Line Monitor Device and site grounding wire.
7. integrated lightning arrester on-Line Monitor Device according to claim 5, is characterized in that: described window glass (4) is tempered glass.
8. integrated lightning arrester on-Line Monitor Device according to claim 5, is characterized in that: described internal circuit board (2) comprising: reometer driving circuit (12), count table driving circuit (13), mutual inductor and signal conditioning circuit (14), lightning strike signals trigger circuit (15), central processor circuit (16), communication and protection circuit (17), clock circuit (18), memory circuit (19) and power supply and protection circuit (20); Wherein reometer driving circuit (12) is connected with count table driving circuit (13), count table driving circuit (13) is connected with mutual inductor and signal conditioning circuit (14), mutual inductor and signal conditioning circuit (14) are connected with lightning strike signals trigger circuit (15), and this four partial circuit has just been concatenated into the circulation path of leakage current;
Mutual inductor and signal conditioning circuit (14) are connected with central processor circuit (16), obtain total current value and current in resistance property value for central processor circuit (16); Lightning strike signals trigger circuit (15) are connected with central processor circuit (16), obtain action frequency for central processor circuit (16); Communication and protection circuit (17) are connected with central processor circuit (16), realize telecommunication; Clock circuit (18) is connected with central processor circuit (16), for device provides the time; Memory circuit (19) is connected with central processor circuit (16), for storing data; Power supply and protection circuit (20) provide direct supply for all circuit.
9. integrated lightning arrester on-Line Monitor Device according to claim 5, it is characterized in that: described leakage current of an arrester is incorporated on circuit board (2) by insulation column, afterwards on circuit board (2) to flow through path as follows: leakage current flows through reometer driving circuit 12 successively), count table driving circuit 13), mutual inductor and signal conditioning circuit (14), lightning strike signals trigger circuit (15), flow into the earth finally by shell;
When circuit there is no superpotential, Analyse of Reject-acting Arrester, leakage current is very little, now, count table driving circuit (13) and lightning strike signals trigger circuit (15) all can not actions, and count table (3) does not count, central processing unit does not also count, reometer driving circuit (12) normally works, and reometer can normally indicate total current value, and central processing unit normally can obtain total current value and current in resistance property value; When circuit there is superpotential; lightning arrestor movement, electric current is very large, and resistor disc transient switching is released big current; now; count table driving circuit (13) and lightning strike signals trigger circuit (15) all can actions, and count table counts 1 time, and central processing unit also counts 1 time; reometer driving circuit (12) is in protected state; reometer reading is meaningless, and total current value and the current in resistance property value of central processing unit acquisition are also meaningless, and after superpotential occurs, device recovers normal.
10. integrated lightning arrester on-Line Monitor Device according to claim 5, is characterized in that: two resistor discs (10) in parallel are equipped with in described housing lower cover (8) centre.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107356807A (en) * | 2017-08-16 | 2017-11-17 | 国网辽宁省电力有限公司电力科学研究院 | Integrated arrester resistance current on-Line Monitor Device based on wireless synchronization technology |
| CN108008233A (en) * | 2017-10-31 | 2018-05-08 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of the arrester on-Line Monitor Device and method of suitable cold operation |
| 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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| CN203241492U (en) * | 2013-04-26 | 2013-10-16 | 自贡华能电器有限公司 | Secure on-line monitor for lightning arrester |
| CN203672958U (en) * | 2014-01-24 | 2014-06-25 | 平高东芝（廊坊）避雷器有限公司 | On-line monitor for extra-high voltage alternating-current lightning arrester |
| CN204287331U (en) * | 2014-05-29 | 2015-04-22 | 国家电网公司 | Arrester wireless monitoring sensor |
| CN104614602A (en) * | 2015-01-07 | 2015-05-13 | 国家电网公司 | Online monitoring device for arrester |
| CN205562672U (en) * | 2015-12-29 | 2016-09-07 | 国家电网公司 | Integration arrester on -line monitoring device |
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| CN107356807A (en) * | 2017-08-16 | 2017-11-17 | 国网辽宁省电力有限公司电力科学研究院 | Integrated arrester resistance current on-Line Monitor Device based on wireless synchronization technology |
| CN108008233A (en) * | 2017-10-31 | 2018-05-08 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of the arrester on-Line Monitor Device and method of suitable cold operation |
| 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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