CN105467197B - Integrated arrester on-Line Monitor Device - Google Patents
Integrated arrester on-Line Monitor Device Download PDFInfo
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- CN105467197B CN105467197B CN201511005097.6A CN201511005097A CN105467197B CN 105467197 B CN105467197 B CN 105467197B CN 201511005097 A CN201511005097 A CN 201511005097A CN 105467197 B CN105467197 B CN 105467197B
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- 238000012806 monitoring device Methods 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 17
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- 238000000034 method Methods 0.000 claims abstract description 8
- 239000011257 shell material Substances 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 23
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- 238000004891 communication Methods 0.000 claims description 13
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
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- 238000012544 monitoring process Methods 0.000 abstract description 18
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 4
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Classifications
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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 present invention relates to arrester on-line monitoring technique fields, more particularly to integrated arrester on-Line Monitor Device, particularly directed to gapless metal-oxide lighting arrester, by mechanical lightning arrester monitoring device and the integrated lightning arrester monitoring device of electronic type arrester on-Line Monitor Device and measurement method.The present invention is in series by mechanical lightning arrester monitoring device and electronic type arrester on-Line Monitor Device, and the entirety after series connection is connected in parallel with resistor disc.The parameters such as time that arrester total current, current in resistance property, action frequency and action occur can be monitored on-line, and shown with local mechanical ammeter, count table, telecommunication, the functions such as data are locally stored.Improve DATA REASONING precision, realize data remote, service personnel is also convenient for Site Detection, maintenance and installation, meet the demand for development of intelligent substation, new method is provided for lightning arrester insulation state on_line monitoring, suitable for the on-line monitoring of each voltage class arrester, have a extensive future.
Description
Technical field
The present invention relates to arrester on-line monitoring technique field, more particularly to integrated arrester on-Line Monitor Device, tools
Body is to be directed to gapless metal-oxide lighting arrester, and mechanical lightning arrester monitoring device and electronic type arrester on-line monitoring are filled
Set integrated lightning arrester monitoring device and measurement method.
Background technology
In the power system, arrester is widely used as the protective device of substation.Traditional arrester monitoring side
Formula is to monitor arrester operating status using mechanical ammeter and count table, measures inaccurate and is unable to teletransmission, runs
Personnel can only arrive dam site investigation data, and not only heavy workload, efficiency are low in this way but also cannot find the operation of arrester event in time
Barrier.In order to solve these problems, domestic to occur electronic type arrester on-Line Monitor Device successively, have monitoring data and number
According to transporting function.
Currently, although scene applies electronic type arrester on-Line Monitor Device, traditional arrester count table is still
It needs to retain, because service personnel needs to draw measurement point using traditional count table, to use testing current in resistance property instrument, and it is electric
Minor arrester on-Line Monitor Device uses transformer measurement, can not draw measurement point, also can not just be surveyed using resistive current
Instrument is tried, is kept away so mechanical lightning arrester monitoring device and electronic type arrester on-Line Monitor Device are mostly mounted on by scene simultaneously
On thunder device ontology, this is resulted in, and monitoring device is complicated, integrated level is low, cumbersome for installation, troublesome maintenance, cost increase etc. ask
Topic.
Invention content
The present invention for the above-mentioned prior art the problem of, provide integrated arrester on-Line Monitor Device, be
Integrated on-line monitoring method for gapless metal-oxide lighting arrester simultaneously has developed monitoring device on this basis.Purpose
It is to realize that the on-Line Monitor Device of each voltage class arrester is integrated with mechanical monitoring device, meet intelligent power transformation
It stands demand for development, new method is provided for arrester on-line monitoring.
Technical problem present in for the above-mentioned prior art, the present invention adopt the following technical scheme that realization：
Integrated arrester on-Line Monitor Device, including shell, ammeter and count table；It is by being arranged in shell
Mechanical lightning arrester monitoring device and electronic type arrester on-Line Monitor Device are in series, and the entirety and resistor disc after series connection are simultaneously
Connection connection.
The shell material is constituted for cast aluminium material.
The electronic type arrester on-Line Monitor Device includes：Mutual inductor and signal conditioning circuit, lightning strike signals triggering electricity
Road, central processor circuit, communication and protection circuit, clock circuit, storage circuit, power supply and protection circuit；Electronic type is lightning-arrest
The end that enters of device on-Line Monitor Device is exactly that mutual inductor and signal conditioning circuit enter to hold, electronic type arrester on-Line Monitor Device
Outlet is exactly the outlet of lightning strike signals trigger circuit；
The mechanical lightning arrester monitoring device includes：Ammeter, count table, ammeter driving circuit count table- driven
Circuit；The end that enters of mechanical lightning arrester monitoring device is exactly that ammeter driving circuit enters to hold, mechanical lightning arrester monitoring device
Outlet be exactly count table driving circuit outlet；
The outlet of mechanical lightning arrester monitoring device enters end by printing electricity with electronic type arrester on-Line Monitor Device
Conducting wire connection on the plate of road, so as to form cascaded structure；Mechanical lightning arrester monitoring device enters end and one end of resistor disc
Connection, the outlet of electronic type arrester on-Line Monitor Device and the other end of resistor disc connect, to form parallel-connection structure.
Central processing unit in the central processor circuit obtains total current, the process of current in resistance property and action frequency
It is as follows：When leakage current flows through mutual inductor, induced current can be induced in the secondary side of mutual inductor, induced current is using letter
Number modulate circuit carries out the operations such as the transformation of I/V signals, filtering, amplification, and central processor circuit is then transferred to be sampled, counted
It calculates, and then obtains total current value and current in resistance property value；When there is overvoltage, lightning strike signals trigger circuit generates a triggering letter
Number, triggering central processing unit counts primary；After central processing unit obtains total current, current in resistance property and action frequency, also want
It is capped timestamp, the wherein time provides by clock circuit, and final result passes to storage circuit and carries out locally-stored, or transmits
To communicating and protecting circuit to carry out data remote, power supply and protection circuit are powered to package unit and protection.
The shell is connected and composed by case top lid and lower housing lower cover, and case top lid is provided with window, is sealed on window
It is connected with window glass, ammeter, count table are installed in case top lid, are shown from window glass 4；Lid is equipped with boat under shell
Blind plug and protrusion；Insulating press boards are mounted under shell on lid, are used for fixed resistance piece；Cold pressing connection terminal is mounted under shell
It covers, is used for connecting integration arrester on-Line Monitor Device and live tie-in line；Resistor disc, resistance are equipped among shell lower cover
Piece is in parallel with circuit board；Shell lower cover top is equipped with insulation column, and leakage current of an arrester is introduced into circuit by insulation column
On plate.
The protrusion is equipped with fixing bolt, is used for connecting integration arrester on-Line Monitor Device and site grounding wire.
The window glass is tempered glass.
The internal circuit board includes：Ammeter driving circuit, count table driving circuit, mutual inductor and signal condition electricity
Road, lightning strike signals trigger circuit, central processor circuit, communication and protection circuit, clock circuit, storage circuit and power supply and
Protect circuit；Wherein ammeter driving circuit is connect with count table driving circuit, count table driving circuit and mutual inductor and signal
Modulate circuit connects, and mutual inductor and signal conditioning circuit are connect with lightning strike signals trigger circuit, this four partial circuit is just concatenated into
The circulation path of leakage current；
Mutual inductor and signal conditioning circuit are connect with central processor circuit, and total current value is obtained for central processor circuit
With current in resistance property value；Lightning strike signals trigger circuit is connect with central processor circuit, is acted for central processor circuit acquisition secondary
Number；Communication and protection circuit are connect with central processor circuit, realize telecommunication；Clock circuit connects with central processor circuit
It connects, the time is provided for device；Storage circuit is connect with central processor circuit, for storing data；Power supply and protection circuit are
All circuits provide DC power supply.
The leakage current of an arrester is introduced by insulation column on circuit board, later on circuit boards flow through path
It is as follows：Leakage current is followed by ammeter driving circuit, count table driving circuit, mutual inductor and signal conditioning circuit, lightning stroke
Signal trigger circuit flows into the earth finally by shell；
When there is no overvoltage on circuit, Analyse of Reject-acting Arrester, leakage current very little, at this point, count table driving circuit and
Lightning strike signals trigger circuit will not act, and without counting, also without counting, ammeter driving circuit is normal for central processing unit for count table
Work, ammeter can normally indicate that total current value, central processing unit can normally obtain total current value and current in resistance property value；Work as circuit
On when there is overvoltage, lightning arrestor movement, electric current is very big, and resistor disc transient switching is released high current, at this point, counting table- driven electricity
Road and lightning strike signals trigger circuit can act, and count table counts 1 time, and central processing unit also counts 1 time, ammeter driving circuit
In by guard mode, electric current meter reading is meaningless, and the total current value and current in resistance property value that central processing unit obtains are also meaningless,
Device restores normal after overvoltage occurs.
There are two resistor discs in parallel for dress among the shell lower cover.
The invention has the advantages that and advantageous effect：
The present invention is integrated with electronic type arrester on-Line Monitor Device by mechanical lightning arrester monitoring device, can be online
The parameters such as the time that arrester total current, current in resistance property, action frequency and action occur are monitored, and with local mechanical electric current
The functions such as table, count table show, telecommunication, and data are locally stored.DATA REASONING precision is improved, data remote is realized,
The interface for remaining site examining and repairing for service personnel simultaneously allows field operator to pass through the ammeter in device window, counting
Table more intuitively reads leakage current of an arrester and action frequency, conveniently checks the various operating statuses of arrester, while
Simplify the structure of monitoring device on lightning arrester body.The present invention is due to using two kinds of employing mode knots of resistor disc and mutual inductor
It closes, had both retained the function of tradition machinery formula counter, the institute for also having electronic type on-line monitoring is functional, it is easier to safeguard and pacify
Dress, meets the demand for development of intelligent substation, new method is provided for lightning arrester insulation state on_line monitoring.
The present apparatus also has telecommunications functions, using MODBUS-RTU agreements, standard RS485 communication interfaces, communication ginseng
Number flexibly configurable, can be with comprehensive state monitoring unit（Main IED）Slitless connection.Total current, resistive electricity with timestamp
Stream and the monitoring data such as action frequency can store 1 year or more in portion in the device.When the arrester current value that device is monitored is super
When crossing user's setting value, by output alarm signal, arrester aging or problem of making moist are found in time, prevents the generation of failure.
What the present invention was reached has the technical effect that：1. realizing remotely monitor and failure predication；2. accelerating arrester operating mode to sentence
Disconnected speed and precision；3. reducing monitoring expense.Arrester remote online monitoring has larger economic benefit and social effect.Both
Meet the use of testing current in resistance property instrument, while the intelligence of transformer substation arrester state of insulation on-line monitoring can be met again
Demand.The present apparatus is suitable for the on-line monitoring of each voltage class arrester, has a extensive future.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 and Fig. 2 is the external structure schematic diagram of the present invention；
Fig. 3 is the internal structure schematic diagram of the present invention；
Fig. 4 is the board structure of circuit block diagram of the present invention.
In figure：Case top lid 1, circuit board 2, ammeter, count table 3, window glass 4, aviation plug 5, protrusion 6 are fixed
Bolt 7, shell lower cover 8, insulating press boards 9, resistor disc 10, cold pressing connection terminal 11, ammeter driving circuit 12 count table- driven
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, storage circuit 19, power supply and protection circuit 20.
Specific implementation mode
The present invention is integrated arrester on-Line Monitor Device, is the integration for gapless metal-oxide lighting arrester
On-Line Monitor Device, it is in series by mechanical lightning arrester monitoring device and electronic type arrester on-Line Monitor Device, after series connection
Entirety it is in parallel with resistor disc, resistor disc plays the role of pressure limiting, protection.
As shown in Figure 1-Figure 3, wherein mechanical lightning arrester monitoring device includes：Ammeter, count table 3, electric current table- driven
Circuit 12, count table driving circuit 13.
As shown in figure 4, electronic type arrester on-Line Monitor Device includes：Mutual inductor and signal conditioning circuit 14, lightning stroke letter
Number trigger circuit 15, central processor circuit 16, communication and protection circuit 17, clock circuit 18, storage circuit 19, power supply and guarantor
Protection circuit 20.
Mechanical lightning arrester monitoring device enters the end that enters that end is exactly ammeter driving circuit 12, mechanical arrester monitoring
The outlet of device is exactly the outlet of count table driving circuit 13；The end that enters of electronic type arrester on-Line Monitor Device is exactly mutual inductor
And signal conditioning circuit 14 enter end, the outlet of electronic type arrester on-Line Monitor Device is exactly lightning strike signals trigger circuit 15
Outlet.The mechanical outlet of lightning arrester monitoring device passes through printed circuit board with the end that enters of electronic type arrester on-Line Monitor Device
On conducting wire connection, so as to form cascaded structure；Enter end and one end of resistor disc of mechanical lightning arrester monitoring device connect,
The outlet of electronic type arrester on-Line Monitor Device and the other end of resistor disc connect, so as to form parallel-connection structure.
The present invention specifically includes shell, resistor disc 10, and ammeter, count table 3 and internal circuit board 2 are constituted.
The internal circuit board 2 includes：Ammeter driving circuit 12, count table driving circuit 13, mutual inductor and signal tune
Manage circuit 14, lightning strike signals trigger circuit 15, central processor circuit 16, communication and protection circuit 17, clock circuit 18, storage
Circuit 19, power supply and protection circuit 20.
The shell is connected and composed by case top lid 1 and lower housing lower cover 8, and case top lid 1 is provided with window, close on window
Envelope is connected with window glass 4, and window glass 4 is tempered glass.Ammeter, count table 3 are installed in case top lid 1, from window
Glass 4 is shown；Aviation plug 5 and protrusion 6 are additionally provided on shell lower cover 8, fixing bolt 7 is mounted in the mounting hole in protrusion 6,
For connecting integration arrester on-Line Monitor Device and site grounding wire；Insulating press boards 9 are mounted on shell lower cover 8, are used for
Fixed resistance piece 10；Cold pressing connection terminal 11 is mounted on shell lower cover 8, is used for connecting integration arrester on-Line Monitor Device
With live tie-in line.The shell material is constituted for cast aluminium material.There are two resistor discs in parallel for dress among shell lower cover 8
10, resistor disc 10 is in parallel with circuit board 2, without damage with the device in protection circuit plates；8 bottom end of shell lower cover is additionally provided at two
The aviation socket of wiring is used at mounting hole and two.8 top of shell lower cover is equipped with insulation column, and leakage current of an arrester passes through exhausted
Edge pillar is introduced on circuit board 2, later on the circuit board 2 to flow through path as follows：Leakage current drives followed by ammeter
Dynamic circuit 12, count table driving circuit 13, mutual inductor and signal conditioning circuit 14, lightning strike signals trigger circuit 15, finally by
Shell flows into the earth.That is, the leakage current of an arrester is introduced by insulation column on circuit board 2, later in circuit board 2
Upper leakage current connection ammeter driving circuit 12, ammeter driving circuit 12 is connect with count table driving circuit 13, count table
Driving circuit 13 is connect with mutual inductor and signal conditioning circuit 14, and mutual inductor and signal conditioning circuit 14 trigger electricity with lightning strike signals
Road 15 connects, and flows into the earth finally by shell, this partial circuit has just been concatenated into the circulation path of leakage current.
Mutual inductor and signal conditioning circuit 14 are connect with central processor circuit 16, are obtained entirely for central processor circuit 16
Current value and current in resistance property value.Lightning strike signals trigger circuit 15 is connect with central processor circuit 16, for central processor circuit
16 obtain action frequency.Communication and protection circuit 17 are connect with central processor circuit 16, realize telecommunication.Clock circuit 18
It is connect with central processor circuit 16, the time is provided for device.Storage circuit 19 is connect with central processor circuit 16, for depositing
Store up data.Power supply and protection circuit 20 provide DC power supply for all circuits.
The circuit board 2, when there is no overvoltage on circuit, Analyse of Reject-acting Arrester, leakage current very little, at this point, meter
Number table- driven circuit 13 and lightning strike signals trigger circuit 15 will not act, and count table 3 without counting, also disregard by central processing unit
Number, ammeter driving circuit 12 work normally, and ammeter can normally indicate that total current value, central processing unit can normally obtain full electricity
Flow valuve and current in resistance property value；When occurring overvoltage on circuit, lightning arrestor movement, electric current is very big, and resistor disc transient switching is released
High current, at this point, count table driving circuit 13 and lightning strike signals trigger circuit 15 can act, count table counts 1 time, centre
Reason device also counts 1 time, and ammeter driving circuit 12 is in by guard mode, and electric current meter reading is meaningless, and central processing unit obtains
Total current value and current in resistance property value it is also meaningless, device restores normal after overvoltage occurs.
Central processing unit in the central processor circuit 16 obtains total current, the mistake of current in resistance property and action frequency
Journey is as follows：When leakage current flows through mutual inductor, induced current can be induced in the secondary side of mutual inductor, induced current using
Signal conditioning circuit carries out the operations such as the transformation of I/V signals, filtering, amplification, and central processor circuit is then transferred to be sampled, counted
It calculates, and then obtains total current value and current in resistance property value.When there is overvoltage, lightning strike signals trigger circuit 15 will produce a triggering
Signal, triggering central processing unit count primary.After central processing unit obtains total current, current in resistance property and action frequency, also
It is capped timestamp, the wherein time is provided by clock circuit 18.Final result can pass to storage circuit 19 and carry out local storage
It deposits, or passes to communication and the protection progress data remote of circuit 17.Power supply and protection circuit 20 are powered and are protected to package unit.
The present invention can monitor the ginsengs such as the time that arrester total current, current in resistance property, action frequency and action occur on-line
Number shows that total current, electromagnetic gear show that action frequency, device inside mutual inductor can measure accurate small electricity by mechanical indicator table
Stream, and measurement result teletransmission to backstage.Mutual inductor electrical isolation technology, realization device inside hi-lo circuit can also be utilized
Electrical isolation, can be in the case where that need not bypass auxiliary, can charged for replacement arrester on-Line Monitor Device.
As described above, the embodiment of the present invention is described in detail, as long as but essentially without this hair of disengaging
Bright inventive point and effect can have many deformations, this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (8)
1. integrated arrester on-Line Monitor Device, including shell, ammeter and count table；It is characterized in that：It is by being arranged
Mechanical lightning arrester monitoring device and electronic type arrester on-Line Monitor Device in shell is in series, the entirety after series connection
It is connected in parallel with resistor disc；The shell material is constituted for cast aluminium material；The electronic type arrester on-Line Monitor Device includes：
Mutual inductor and signal conditioning circuit（14）, lightning strike signals trigger circuit（15）, central processor circuit（16）, communication and protection electricity
Road（17）, clock circuit（18）, storage circuit（19）, power supply and protection circuit（20）；Electronic type arrester on-Line Monitor Device
Enter end be exactly mutual inductor and signal conditioning circuit（14）Enter end, the outlet of electronic type arrester on-Line Monitor Device is exactly thunder
Hit signal trigger circuit（15）Outlet；
The mechanical lightning arrester monitoring device includes：Ammeter, count table（3）, ammeter driving circuit（12）, count table drive
Dynamic circuit（13）；The end that enters of mechanical lightning arrester monitoring device is exactly ammeter driving circuit（12）Enter end, it is mechanical lightning-arrest
The outlet of device monitoring device is exactly count table driving circuit（13）Outlet；
The outlet of mechanical lightning arrester monitoring device enters end by circuit board with electronic type arrester on-Line Monitor Device
Conducting wire connects, so as to form cascaded structure；Enter end and one end of resistor disc of mechanical lightning arrester monitoring device connect, electronics
The outlet of formula arrester on-Line Monitor Device and the other end of resistor disc connect, to form parallel-connection structure.
2. integration arrester on-Line Monitor Device according to claim 1, it is characterised in that：The central processing unit
Circuit（16）In central processing unit to obtain total current, the process of current in resistance property and action frequency as follows：When leakage current flows through
When mutual inductor, induced current can be induced in the secondary side of mutual inductor, induced current carries out I/V letters using signal conditioning circuit
Number transformation, filtering, amplifieroperation, then transfer to central processor circuit to be sampled, calculated, and then obtain total current value and resistance
Property current value；When there is overvoltage, lightning strike signals trigger circuit（15）A trigger signal is generated, triggering central processing unit counts
Once；After central processing unit obtains total current, current in resistance property and action frequency, to be also capped timestamp, wherein the time by
Clock circuit（18）It provides, final result passes to storage circuit（19）It carries out locally-stored, or passes to communication and protection
Circuit（17）Carry out data remote, power supply and protection circuit（20）It powers and protects to package unit.
3. integration arrester on-Line Monitor Device according to claim 1, it is characterised in that：The shell is by shell
Upper cover（1）With shell lower cover（8）It connects and composes, case top lid（1）It is provided with window, window glass is sealedly connected on window（4）,
Ammeter, count table（3）It is installed on case top lid（1）In, from window glass（4）Display；Shell lower cover（8）It is inserted equipped with aviation
Head（5）And protrusion（6）；Insulating press boards（9）Mounted on shell lower cover（8）On, it is used for fixed resistance piece（10）；Cold pressing connection terminal
（11）Mounted on shell lower cover（8）On, it is used for connecting integration arrester on-Line Monitor Device and live tie-in line；Shell lower cover
（8）Centre is equipped with resistor disc（10）, resistor disc（10）With circuit board（2）It is in parallel；Shell lower cover（8）Top is equipped with insulation column,
Leakage current of an arrester is introduced into circuit board by insulation column（2）On.
4. integration arrester on-Line Monitor Device according to claim 3, it is characterised in that：The protrusion（6）On set
There is fixing bolt（7）, it is used for connecting integration arrester on-Line Monitor Device and site grounding wire.
5. integration arrester on-Line Monitor Device according to claim 3, it is characterised in that：The window glass（4）
For tempered glass.
6. integration arrester on-Line Monitor Device according to claim 1, it is characterised in that：The electric current table- driven electricity
Road（12）With count table driving circuit（13）Connection, count table driving circuit（13）With mutual inductor and signal conditioning circuit（14）Even
It connects, mutual inductor and signal conditioning circuit（14）With lightning strike signals trigger circuit（15）Connection, this four partial circuit are just concatenated into
The circulation path of leakage current；
Mutual inductor and signal conditioning circuit（14）With central processor circuit（16）Connection, for central processor circuit（16）It obtains
Total current value and current in resistance property value；Lightning strike signals trigger circuit（15）With central processor circuit（16）Connection, for central processing
Device circuit（16）Obtain action frequency；Communication and protection circuit（17）With central processor circuit（16）Connection is realized long-range logical
Letter；Clock circuit（18）With central processor circuit（16）Connection, the time is provided for device；Storage circuit（19）With central processing
Device circuit（16）Connection, for storing data；Power supply and protection circuit（20）DC power supply is provided for all circuits.
7. integration arrester on-Line Monitor Device according to claim 3, it is characterised in that：The arrester leakage electricity
Stream is introduced into circuit board by insulation column（2）On, later in circuit board（2）On to flow through path as follows：Leakage current is successively
Flow through ammeter driving circuit（12）, count table driving circuit（13）, mutual inductor and signal conditioning circuit（14）, lightning strike signals touch
Power Generation Road（15）, the earth is flowed into finally by shell；
When there is no overvoltage on circuit, Analyse of Reject-acting Arrester, leakage current very little, at this point, count table driving circuit（13）With
Lightning strike signals trigger circuit（15）It will not act, count table（3）Without counting, central processing unit also without counting, electric current table- driven
Circuit（12）Normal work, ammeter can normally indicate total current value, and central processing unit can normally obtain total current value and resistive
Current value；When occurring overvoltage on circuit, lightning arrestor movement, electric current is very big, and resistor disc transient switching is released high current, this
When, count table driving circuit（13）With lightning strike signals trigger circuit（15）It can act, count table counts 1 time, central processing unit
Also it counts 1 time, ammeter driving circuit（12）In by guard mode, electric current meter reading is meaningless, what central processing unit obtained
Total current value and current in resistance property value are also meaningless, and device restores normal after overvoltage occurs.
8. integration arrester on-Line Monitor Device according to claim 3, it is characterised in that：The shell lower cover（8）
There are two resistor discs in parallel for centre dress（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005097.6A CN105467197B (en) | 2015-12-29 | 2015-12-29 | Integrated arrester on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511005097.6A CN105467197B (en) | 2015-12-29 | 2015-12-29 | Integrated arrester on-Line Monitor Device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105467197A CN105467197A (en) | 2016-04-06 |
| CN105467197B true CN105467197B (en) | 2018-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511005097.6A Active CN105467197B (en) | 2015-12-29 | 2015-12-29 | Integrated arrester on-Line Monitor Device |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
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