CN206908383U - A kind of taiwan area residual current action breaker online monitoring system - Google Patents
A kind of taiwan area residual current action breaker online monitoring system Download PDFInfo
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- CN206908383U CN206908383U CN201720889683.XU CN201720889683U CN206908383U CN 206908383 U CN206908383 U CN 206908383U CN 201720889683 U CN201720889683 U CN 201720889683U CN 206908383 U CN206908383 U CN 206908383U
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- 238000006073 displacement reaction Methods 0.000 abstract description 7
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Abstract
The utility model discloses a kind of taiwan area residual current action breaker online monitoring system; including earth leakage circuit breaker, concentrator, anti-lightening protector and single-phase intelligent ammeter; the earth leakage circuit breaker and concentrator are all connected with the A phase, B phase, C phase and N phases of taiwan area transformer; the RS485 COM1s 29 and 30 of concentrator are connected with the COM1 11 and 12 of single-phase intelligent ammeter respectively, and the remote signalling port 13 and 14 of concentrator is all connected with earth leakage circuit breaker；The port N and port L of the single-phase intelligent ammeter connect the C phases and N phases of taiwan area transformer respectively, and the port 4 and port 2 of single-phase intelligent ammeter are all connected with earth leakage circuit breaker.The utility model is realized the real-time monitoring to the displacement of earth leakage circuit breaker state and remote switching, is also provided with effective lightning protection measures, avoids the electricity consumption device in monitoring system from being damaged because of the attack of thunder and lightning by above-mentioned principle.
Description
Technical field
It the utility model is related to power domain, and in particular to a kind of taiwan area residual current action breaker on-line monitoring system
System.
Background technology
In power system, taiwan area refers to supply district or the region of transformer.Because taiwan area earth leakage circuit breaker is frequent
Long-standing problem distribution operation maintenance personnel to accidental power failure caused by tripping operation, between a major reason of wherein this kind phenomenon is exactly
Having a rest property earth fault.At present, in national most area, tripping operation information can only be obtained by manually going on patrol guarantee, then arrived existing
Field performs closing operation.This O＆M mode is passive, it is poorly efficient, power off time length, poor user experience, O＆M cost height etc. be present and ask
Topic, has a strong impact on power supply reliability and power supply quality.Part provinces and cities in the money in existing power system, pass through replacing
For the earth leakage circuit breaker of unified standard, long-distance management system is built, realizes the remote monitoring to earth leakage circuit breaker, but
This mode cost is high, it is difficult to promotes in a short time.On the basis of existing management system is not changed, the realization pair how to stablize
The real-time monitoring of earth leakage circuit breaker state displacement and remote switching, it is the direction that we make great efforts.Existing monitoring system simultaneously
Lack effective lightning protection measures in system, electricity consumption device is easily destroyed by thunder and lightning, influences the stability of monitoring system.
Utility model content
The utility model overcomes the deficiencies in the prior art, there is provided a kind of taiwan area residual current action breaker on-line monitoring
Systems, the real-time monitoring to the displacement of earth leakage circuit breaker state and remote switching are realized, is also provided with effective lightning protection measures,
The electricity consumption device in monitoring system is avoided to be damaged because of the attack of thunder and lightning.
To solve above-mentioned technical problem, the utility model uses following technical scheme：A kind of taiwan area residual current acting
Breaker online monitoring system, including earth leakage circuit breaker, concentrator, anti-lightening protector and single-phase intelligent ammeter, the leakage
Electric protection breaker and concentrator are all connected with the A phase, B phase, C phase and N phases of taiwan area transformer, the RS485 COM1s of concentrator
29 and 30 are connected with the COM1 11 and 12 of single-phase intelligent ammeter respectively, and the remote signalling port 13 and 14 of concentrator is all connected with leaking electricity
Protective breaker；The port N and port L of the single-phase intelligent ammeter connect the C phases and N phases of taiwan area transformer, single-phase intelligence respectively
The port 4 and port 2 of energy ammeter are all connected with earth leakage circuit breaker；The port N and port L of single-phase intelligent ammeter are also connected simultaneously
Anti-lightening protector one end, the anti-lightening protector other end also connect the COM1 11 and 12 of single-phase intelligent ammeter simultaneously.
The anti-lightening protector includes 485 chips, diode TVS1, diode TVS2, diode TVS3, thermistor
R1, thermistor R2, anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3, wherein diode TVS1, diode TVS2 and diode
TVS3 is sequentially connected in series, and diode TVS1 and diode TVS3 one end are grounded GND, diode TVS1 and diode TVS2
End is connect jointly and is also connected with 485 chip A ports 6, and diode TVS2 and diode TVS3 common connection end are also connected with 485 chip B
Port 7；Anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3 are sequentially connected in series, anti-thunder tube Z1 and anti-thunder tube Z3 one end ground connection GND,
Anti-thunder tube Z1 and anti-thunder tube Z2 common connection end are also connected with 485 chip A ports 6, and anti-thunder tube Z2 and anti-thunder tube Z3's connects jointly
Connect end and be also connected with 485 chip B ports 7；End and anti-thunder tube Z1 and anti-thunder tube are connect jointly in diode TVS1 and diode TVS2
Thermistor R1 is connected between Z2 common connection end, in diode TVS2 and diode TVS3 common connection end and anti-thunder tube
Thermistor R2, diode TVS2 and diode TVS3 common connection end are connected between Z2 and anti-thunder tube Z3 common connection end
Be also connected with RS485 interface A, anti-thunder tube Z2 and anti-thunder tube Z3 common connection end be also connected with RS485 interfaces B, RS485 interface A and
RS485 interfaces B is connected to the COM1 11 and 12 of single-phase intelligent ammeter in turn；485 chips /RE ports and RO ports successively
The port N and port L of single-phase intelligent ammeter are connected, the GND ports ground connection of 485 chips, VCC ports meet voltage U.
The setting of anti-lightening protector in this programme, when there is moment impact voltage caused by thunder and lightning to pass to 485 chips, behind
When the TVS diode both ends of connection are subjected to the high energy impact events of moment, it may occur that conducting is started working, and TVS diode can be with pole
Impedance value between both ends is changed into Low ESR by high speed from high impedance, to absorb an instantaneous large-current, so as to its two
Terminal voltage strangulation one it is predetermined numerically, so as to protect single-phase intelligent ammeter below not by high voltage transient spike
Impact；It is common to absorb moment big electricity and the multiple TVS diodes being connected in series also set up in this programme can work simultaneously
Stream, the protection to single-phase intelligent ammeter is preferably realized, avoids high current from burning out single-phase intelligent ammeter.Behind TVS diode
Anti-thunder tube is also set up, anti-thunder tube is called gas-discharge tube, what gas-discharge tube was off in normal working conditions, its interpolar electricity
Resistance reaches more than mega-ohms；When atmospheric electrical phenomena occurs, when surge voltage exceedes the compressive resistance of circuit system, gas-discharge tube quilt
Puncture and arc discharge phenomenon occurs, because arc photoelectric is forced down, only tens volts, so as to limit surge electricity in a short time
That presses is further up, to limit surge voltage, overvoltage protection effect is further served as to circuit, multiple gases being connected in series are put
Fulgurite can strengthen overvoltage protection effect.And the setting of thermistor, in the circuit as circuit addition item.This programme is set
The quick absorption of multiple TVS diodes and the multimode realization of anti-thunder tube to up time high current is put, avoids thunder and lightning from producing instantaneous big
Circuit damage single-phase intelligent ammeter.
This programme is controlled single by being equipped with one piece of single-phase intelligent ammeter to every earth leakage circuit breaker using acquisition system
Phase intelligent electric meter, then closed a floodgate by single-phase intelligent ammeter control earth leakage circuit breaker, then earth leakage protective is broken by concentrator
Road device status information is sent to remote monitoring terminal, it is achieved thereby that to earth leakage circuit breaker state displacement real-time monitoring and
Remote switching.Concentrator in the terminal is located at the low-pressure side of transformer, and same position is in earth leakage circuit breaker, concentrates
Device gets an electric shock without control output in itself, and gathering control of the main website to single-phase intelligent ammeter by 485 communication interfaces on concentrator orders
Order, it is transmitted to single-phase intelligent ammeter and performs breaker tripping and closing operation.
Preferably, repeater is also set up between the concentrator and earth leakage circuit breaker.When taiwan area condition of work is severe
When,, will on the premise of keeping legacy data constant by the repeater set in concentrator front end when interference signal is more
Useful deamplification is amplified, and thermal compensation signal decay, passes to concentrator again after obtaining clearly signal, then pass through concentration
Signal is passed to single-phase intelligent ammeter and carries out remote switching operation by device, avoids single-phase intelligent ammeter from receiving unsharp information
And the situation for erroneous judgement occur occurs.
Preferably, the earth leakage circuit breaker includes A.C. contactor, transformer and leakage relay, A.C. contactor
It is connected with the control signal port 4 and 5 of leakage relay, transformer is connected with A.C. contactor and leakage relay simultaneously,
The switch position signal of A.C. contactor and the remote signalling port 13 and 14 of concentrator connect.
Earth leakage circuit breaker of the program without changing scene, without building new system, protects original resource, without
Acquisition system is upgraded, long-range using only single-phase meter stops power transmission function, simple and easy to use.
Compared with prior art, the beneficial effects of the utility model are：
1st, this programme is controlled by being equipped with one piece of single-phase intelligent ammeter to every earth leakage circuit breaker using acquisition system
Single-phase intelligent ammeter, then closed a floodgate by single-phase intelligent ammeter control earth leakage circuit breaker, then by concentrator by earth leakage protective
Circuit-breaker status information is sent to remote monitoring terminal, it is achieved thereby that the real-time monitoring to the displacement of earth leakage circuit breaker state
And remote switching.
2nd, this programme sets special lightning guard, and the multiple TVS diodes and anti-thunder tube on lightning guard can
The high current scope of enough quickly absorption transient high-currents, absorption efficiency and absorption is all much larger than prior art, can be more preferable
Protect single-phase intelligent ammeter from thunder and lightning produce surge voltage destruction, ensure in real time monitoring and remote switching stable operation
Without interfered by outside.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model；
Fig. 2 is the circuit diagram of anti-lightening protector.
Embodiment
The utility model is further elaborated below in conjunction with the accompanying drawings, embodiment not limited to this of the present utility model.
Embodiment 1：
As shown in figure 1, the utility model includes a kind of taiwan area residual current action breaker online monitoring system, including leakage
Electric protection breaker, concentrator, anti-lightening protector and single-phase intelligent ammeter, the earth leakage circuit breaker and concentrator are all connected with
The A phase, B phase, C phase and N phases of taiwan area transformer, the RS485 COM1s 29 and 30 of concentrator respectively with single-phase intelligent ammeter
COM1 11 and 12 connects, and the remote signalling port 13 and 14 of concentrator is all connected with earth leakage circuit breaker；The single-phase intelligent electricity
The port N and port L of table connect the C phases and N phases of taiwan area transformer respectively, and the port 4 and port 2 of single-phase intelligent ammeter are all connected with
Earth leakage circuit breaker；The port N and port L of single-phase intelligent ammeter also connect anti-lightening protector one end, anti-lightening protector simultaneously
The other end also connects the COM1 11 and 12 of single-phase intelligent ammeter simultaneously.
Anti-lightening protector includes 485 chips, diode TVS1, diode TVS2, diode TVS3, thermistor R1, heat
Quick resistance R2, anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3, wherein diode TVS1, diode TVS2 and diode TVS3 according to
Secondary to be connected in series, diode TVS1 and diode TVS3 one end are grounded connecing jointly for GND, diode TVS1 and diode TVS2
Hold and be also connected with 485 chip A ports 6, diode TVS2 and diode TVS3 common connection end are also connected with 485 chip B ports 7；
Anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3 are sequentially connected in series, anti-thunder tube Z1 and anti-thunder tube Z3 one end ground connection GND, anti-thunder tube
Z1 and anti-thunder tube Z2 common connection end are also connected with 485 chip A ports 6, and anti-thunder tube Z2 and anti-thunder tube Z3 common connection end are also
Connect 485 chip B ports 7；It is total at the diode TVS1 and diode TVS2 end that connects jointly with anti-thunder tube Z1 and anti-thunder tube Z2
With thermistor R1 is connected between connection end, in diode TVS2 and diode TVS3 common connection end and anti-thunder tube Z2 and prevent
The common connection end that thermistor R2, diode TVS2 and diode TVS3 are connected between detonator Z3 common connection end is also connected with
RS485 interface A, anti-thunder tube Z2 and anti-thunder tube Z3 common connection end are also connected with RS485 interfaces B, RS485 interface A and RS485 and connect
Mouth B is connected to the COM1 11 and 12 of single-phase intelligent ammeter in turn；485 chips /RE ports and RO ports be sequentially connected list
The port N and port L of phase intelligent electric meter, the GND ports ground connection of 485 chips, VCC ports meet voltage U.
When atmospheric electrical phenomena occurs, lightning current high pressure effect can produce up to tens thousand of the volt even surge voltages of hundreds thousand of volts,
So huge voltage instantaneous impact single-phase intelligent ammeter, it is sufficient to which puncturing insulation makes single-phase intelligent ammeter that short circuit occur, and causes to fire
The direct disasters such as burning, blast, lead to not carry out remote switching operation.
And existing anti-lightning strike element is struck by lightning with a piezo-resistance and in the both ends of power supply, household electrical appliance
When power line both end voltage overrate, pressure is exempted from resistance puncture short, thunderbolt piezo-resistance of the voltage through breakdown forms logical
Road, the working portion of electrical equipment is protected to exempt from thunderbolt.And lightning protection voltage can arrive hundreds of thousands volt, electric current can reach 200kA even
It is bigger, only lightning protection effect can not be played well with piezo-resistance.The setting of anti-lightening protector in this programme, when there is thunder and lightning generation
Moment impact voltage pass to 485 chips, when the TVS diode both ends connected below are subjected to the high energy impact events of moment, meeting
Generation conducting is started working, and the impedance value between both ends can be changed into Low ESR by TVS diode with high speed from high impedance, with
Absorb an instantaneous large-current, so as to its both end voltage strangulation one it is predetermined numerically, so as to protect list below
Phase intelligent electric meter is not impacted by high voltage transient spike；And the multiple poles of TVS bis- being connected in series also set up in this programme
Pipe can work simultaneously, absorb instantaneous large-current jointly, preferably realize the protection to single-phase intelligent ammeter, avoid high current from burning
Bad single-phase intelligent ammeter.Anti-thunder tube is also set up behind TVS diode, anti-thunder tube is called gas-discharge tube, and gas-discharge tube exists
It is off under normal running conditions, its electrode resistance reaches more than mega-ohms；When atmospheric electrical phenomena occurs, surge voltage exceedes electricity
During the compressive resistance of road system, gas-discharge tube is breakdown and arc discharge phenomenon occurs, because arc photoelectric is forced down, only tens
Volt, so as to limit the further up of surge voltage in a short time, to limit surge voltage, was further served as to circuit
Protective effect is pressed, multiple gas-discharge tubes being connected in series can strengthen overvoltage protection effect.And the setting of thermistor, at this
Circuit addition item is used as in circuit.This programme sets multiple TVS diodes and the multimode realization of anti-thunder tube to the big electricity of up time
The quick absorption of stream, thunder and lightning is avoided to produce transient high-current damage single-phase intelligent ammeter.
This programme is controlled single by being equipped with one piece of single-phase intelligent ammeter to every earth leakage circuit breaker using acquisition system
Phase intelligent electric meter, then closed a floodgate by single-phase intelligent ammeter control earth leakage circuit breaker, then earth leakage protective is broken by concentrator
Road device status information is sent to remote monitoring terminal, it is achieved thereby that to earth leakage circuit breaker state displacement real-time monitoring and
Remote switching.Concentrator in the terminal is located at the low-pressure side of transformer, and same position is in earth leakage circuit breaker, concentrates
Device gets an electric shock without control output in itself, and gathering control of the main website to single-phase intelligent ammeter by 485 communication interfaces on concentrator orders
Order, it is transmitted to single-phase intelligent ammeter and performs breaker tripping and closing operation.
Earth leakage circuit breaker of the program without changing scene, without building new system, protects original resource, without
Acquisition system is upgraded, long-range using only single-phase meter stops power transmission function, simple and easy to use.
Embodiment 2：
The present embodiment is preferably as follows on the basis of embodiment 1：When taiwan area condition of work is severe, interference signal is more
When, by the repeater set in concentrator front end, on the premise of keeping legacy data constant, useful deamplification is entered
Row amplification, thermal compensation signal decay, passes to concentrator, then signal is passed into list by concentrator again after obtaining clearly signal
Phase intelligent electric meter carries out remote switching operation, avoids single-phase intelligent ammeter from receiving unsharp information and the feelings of erroneous judgement occur
Condition occurs.Repeater is also set up between the concentrator and earth leakage circuit breaker.
Earth leakage circuit breaker includes A.C. contactor, transformer and leakage relay, A.C. contactor and electric leakage relay
The control signal port 4 of device is connected with 5, and transformer is connected with A.C. contactor and leakage relay simultaneously, A.C. contactor
Switch position signal and the remote signalling port 13 and 14 of concentrator connect, also set up on transformer and end occur.The earth leakage protective is broken
Road device is split type earth leakage circuit breaker, when transformer detects leakage current, triggering leakage relay action, and excision exchange
Contactor is powered, A.C. contactor separating brake, after leakage relay locking, by being equipped with one piece of list to every electric leakage protection relay
Phase intelligent electric meter, single-phase intelligent ammeter is controlled using acquisition system, then leakage relay inlet wire electricity is controlled by single-phase intelligent ammeter
Source energization unlocking state, the combined floodgate of A.C. contactor is completed, realize that earth leakage circuit breaker closes a floodgate, it is achieved thereby that to leakage
The real-time monitoring of electric protection circuit-breaker status displacement and remote switching.The remote signalling port of concentrator is broken with earth leakage protective in this programme
The auxiliary contact of road device are normally opened or normally closed connection, and there is concentrator remote signalling to conjugate information active reporting function, work as earth leakage protective
During breaker actuation, auxiliary contact change, remote signalling conjugates, and concentrator, which produces, conjugates information, remote signalling state at that time (open or
Close) active reporting to collection main website, realize the remote real-time monitoring to earth leakage circuit breaker open and-shut mode.Collection in the terminal
Middle device is located at the low-pressure side of transformer, and same position is in earth leakage circuit breaker, and concentrator gets an electric shock without control output in itself,
Control command of the main website to resident's table is gathered by 485 communication interfaces on concentrator, it is i.e. single to be transmitted to resident's table
Phase intelligent electric meter performs breaker tripping and closing operation.
The utility model can be realized as described above.
Claims (3)
- A kind of 1. taiwan area residual current action breaker online monitoring system, it is characterised in that：Including earth leakage circuit breaker, collection Middle device, anti-lightening protector and single-phase intelligent ammeter, the earth leakage circuit breaker and concentrator are all connected with the A of taiwan area transformer Phase, B phases, C phases and N phases, the RS485 COM1s 29 and 30 of the concentrator COM1 11 and 12 with single-phase intelligent ammeter respectively Connection, the remote signalling port 13 and 14 of concentrator is all connected with earth leakage circuit breaker；The port N of the single-phase intelligent ammeter and port L connects the C phases and N phases of taiwan area transformer respectively, and the port 4 and port 2 of single-phase intelligent ammeter are all connected with earth leakage circuit breaker； The port N and port L of single-phase intelligent ammeter also connect anti-lightening protector one end simultaneously, and the anti-lightening protector other end also connects simultaneously The COM1 11 and 12 of single-phase intelligent ammeter；The anti-lightening protector include 485 chips, diode TVS1, diode TVS2, Diode TVS3, thermistor R1, thermistor R2, anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3, wherein diode TVS1, Diode TVS2 and diode TVS3 are sequentially connected in series, and diode TVS1 and diode TVS3 one end are grounded GND, diode The TVS1 and diode TVS2 end that connects jointly is also connected with 485 chip A ports 6, and diode TVS2 and diode TVS3's connects jointly Connect end and be also connected with 485 chip B ports 7；Anti-thunder tube Z1, anti-thunder tube Z2 and anti-thunder tube Z3 are sequentially connected in series, anti-thunder tube Z1 and anti- Detonator Z3 one end ground connection GND, anti-thunder tube Z1 and anti-thunder tube Z2 common connection end are also connected with 485 chip A ports 6, anti-thunder tube Z2 485 chip B ports 7 are also connected with anti-thunder tube Z3 common connection end；End is connect jointly in diode TVS1 and diode TVS2 With being connected thermistor R1 between anti-thunder tube Z1 and anti-thunder tube Z2 common connection end, diode TVS2's and diode TVS3 Thermistor R2, diode TVS2 and two poles are connected between common connection end and anti-thunder tube Z2 and anti-thunder tube Z3 common connection end The common connection end that pipe TVS3 common connection end is also connected with RS485 interface A, anti-thunder tube Z2 and anti-thunder tube Z3 is also connected with RS485 Interface B, RS485 interface A and RS485 interface B is connected to the COM1 11 and 12 of single-phase intelligent ammeter in turn；485 chips/ RE ports and RO ports are sequentially connected the port N and port L of single-phase intelligent ammeter, the GND ports ground connection of 485 chips, VCC ports Meet voltage U.
- A kind of 2. taiwan area residual current action breaker online monitoring system according to claim 1, it is characterised in that：Institute State and repeater is also set up between concentrator and earth leakage circuit breaker.
- A kind of 3. taiwan area residual current action breaker online monitoring system according to claim 1, it is characterised in that：Institute Stating earth leakage circuit breaker includes A.C. contactor, transformer and leakage relay, the control of A.C. contactor and leakage relay Signal port 4 processed is connected with 5, and transformer is connected with A.C. contactor and leakage relay simultaneously, the switch of A.C. contactor The remote signalling port 13 and 14 of position signalling and concentrator connects.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720889683.XU CN206908383U (en) | 2017-07-21 | 2017-07-21 | A kind of taiwan area residual current action breaker online monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720889683.XU CN206908383U (en) | 2017-07-21 | 2017-07-21 | A kind of taiwan area residual current action breaker online monitoring system |
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| CN206908383U true CN206908383U (en) | 2018-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453480A (en) * | 2017-07-21 | 2017-12-08 | 成都汉度科技有限公司 | Anti-lightning strike taiwan area residual current action breaker online monitoring system |
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2017
- 2017-07-21 CN CN201720889683.XU patent/CN206908383U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453480A (en) * | 2017-07-21 | 2017-12-08 | 成都汉度科技有限公司 | Anti-lightning strike taiwan area residual current action breaker online monitoring system |
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Effective date of registration: 20231116 Address after: 299 Tongzhou Avenue, Dachuan District, Dazhou City, Sichuan Province, 635000 Patentee after: STATE GRID SICHUAN ELECTRIC POWER COMPANY DAXIAN POWER SUPPLY BRANCH Address before: No.264, 2 / F, building 1, no.1388, middle section of Tianfu Avenue, Chengdu hi tech Zone, 610000 China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan Province Patentee before: CHENGDU HANDU TECHNOLOGY Co.,Ltd. Patentee before: STATE GRID SICHUAN ELECTRIC POWER COMPANY DAXIAN POWER SUPPLY BRANCH |