CN207882374U - A kind of transient state recording type fault detector - Google Patents
A kind of transient state recording type fault detector Download PDFInfo
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- CN207882374U CN207882374U CN201721924815.4U CN201721924815U CN207882374U CN 207882374 U CN207882374 U CN 207882374U CN 201721924815 U CN201721924815 U CN 201721924815U CN 207882374 U CN207882374 U CN 207882374U
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Abstract
The utility model discloses a kind of transient state recording type fault detectors, including：Collecting unit is mounted on overhead distribution line road, is uploaded to for judging and indicating all kinds of earth faults and short trouble, and by the singlephase earth fault for acquiring and capturing and short trouble information and collects unit；Collect unit acquisition information is received and handled, and acquisition information is uploaded to distribution main website；Distribution main website, according in the acquisition information received earth fault and short trouble information carry out fault detect and positioning, and guide operation maintenance personnel to exclude line fault, restore electricity.The utility model supports current recording；Line status can be monitored in real time, there is communications two-way confirmation and functions of retransmission, it is ensured that the reliability of data transmission；Accurate detection and positioning, the power consumption for being grounded failure are relatively low；It can update failure criterion or upgrading software program by long distance wireless maintenance operation parameter, instruct operation maintenance personnel rapidly removing faults in time, restore electricity, promote working efficiency.
Description
Technical field
The utility model is related to power domains, and in particular to a kind of transient state recording type fault detector.
Background technology
Currently, distribution section in China's electric system is since range is wide, complicated, the degree of automation is low, and O＆M is tired
A series of problems, such as difficult and of high cost, has become link the weakest in entire electric system.Moreover, user is in life
The power cut problem of experience, 90% or more is all caused by distribution system failure.
Line fault positions and reparation is the core of distribution automation, and in order to build strong intelligent network distribution, improve distribution
Percent of automatization is then needed to carry out circuit authentic and valid monitoring, while being analyzed the data monitored.But it is existing
Fault detector can not monitor line status in real time, therefore can not in time position, show when power circuit breaks down
Show abort situation, operation maintenance personnel rapidly removing faults can not be instructed in time, restored electricity.
Utility model content
Technical problem to be solved in the utility model is existing fault detector can not monitor line status in real time,
Therefore it can not in time be positioned when power circuit breaks down, show abort situation, operation maintenance personnel can not be instructed quickly to arrange in time
Except failure, restore electricity.
In order to solve the above-mentioned technical problem, technical solution used by the utility model is to provide a kind of transient state recording type event
Hinder indicator, including：
Collecting unit, including A phases collecting unit, B phases collecting unit and C phase collecting units are mounted on overhead distribution line
On the road, for judging and indicating all kinds of earth faults and short trouble, and by the singlephase earth fault for acquiring and capturing and short
Road fault message, which is uploaded to, collects unit；
Collect unit, the acquisition information uploaded to the collecting unit is received and handled, and acquisition information is uploaded
To distribution main website；
Distribution main website, according in the acquisition information received earth fault and short trouble information carry out fault detect and
Positioning and guides operation maintenance personnel to exclude line fault, restores electricity.
In the above-mentioned technical solutions, the collecting unit uses the power supply mode of low current automatic electricity getting, and is aided with super electricity
Hold and is used as master control power supply.
In the above-mentioned technical solutions, the collecting unit integrated energy acquisition system, from daylight, thermoelectricity, electromagnetism and shakes
Nanoscale energy is extracted in energy, and the nanoscale energy extracted is managed using as stand-by power supply.
In the above-mentioned technical solutions, the acquisition information include the characteristic of singlephase earth fault, characteristic spectrum and
Load current information.
In the above-mentioned technical solutions, the distribution main website is according to singlephase earth fault in the acquisition information received and short
The characteristic and characteristic spectrum of road failure carry out fault detect and positioning to overhead distribution；According to the acquisition received
Load current information in information provides line load reference information for staff.
In the above-mentioned technical solutions, the unit that collects includes CPU and connects wireless telecommunications module, the GPRS moulds of CPU
Block, GPS clock synchronizations module and encryption chip, further include power management module；
Wireless telecommunications module, by communication terminal or debugging software it is carried out parameter reading and writing, telemetry read and
Remote control is sent a warning message automatically when line failure to designated user；
GPRS module is carried out telecommunication using GPRS communication modes and the distribution main website；
GPS clock synchronization modules are positioned by Global Navigation Satellite System and obtain correct time and location information；
Encryption chip, to transmission is encrypted using the dedicated encrypted data channel of APN/VPDN；
Power management module, when master control power supply has electricity, power management module automatically controls stand-by power supply and is not supplied to terminal
Electricity automatically carries out it charging and fills function with tiny stream if backup power source voltage is low；If terminal has worked normally, and master control electricity
When the dead electricity of source, then power management module automatically controls stand-by power supply and powers to terminal.
In the above-mentioned technical solutions, the distribution main website includes wireless remote control fault detector, aerial according to what is captured
The earth fault and short trouble information of distribution line, be carried out in situ board turning bright light, involution light-off and flashing light alarm prompt.
In the above-mentioned technical solutions, A phases are acquired list by the collecting unit when earth fault and short trouble occur
Member, B phases collecting unit and C phase collecting units synchronize recording, and are uploaded to the unit that collects and synthesize zero-sequence current waveform, institute
It states and collects unit by the zero-sequence current waveform label time parameter and be uploaded to the distribution main website.
In the above-mentioned technical solutions, the distribution main website records earth fault and short trouble information in a manner of SOE.
In the above-mentioned technical solutions, described to collect unit and collecting unit Timing Synchronization.
A kind of transient state recording type fault detector provided by the utility model accesses power technology using the low current of innovation,
Without battery, to effectively extend life of product；Precisely identification circuit operating mode supports current recording；Line can be monitored in real time
Line state has communications two-way confirmation and functions of retransmission, it is ensured that the reliability of data transmission；It is grounded failure and short circuit
The accurate detection and positioning of failure, power consumption is relatively low, can update failure criterion by long distance wireless maintenance operation parameter or upgrading is soft
Part program can instruct operation maintenance personnel rapidly removing faults, restore electricity, in time to promote working efficiency.
Description of the drawings
Fig. 1 is a kind of transient state recording type fault detector structural schematic diagram in the utility model.
Specific implementation mode
The utility model is described in detail with specific implementation mode with reference to the accompanying drawings of the specification.
The utility model embodiment provides a kind of transient state recording type fault detector, is mounted on overhead distribution line road,
It is mainly used for the fault detect of overhead distribution and the measurement of operating parameter, and monitoring information and failure is sent to distribution main website
Detection data, meanwhile, also support wireless routing function.As shown in Figure 1, specifically including with lower unit and module：
Collecting unit 10, including A phases collecting unit, B phases collecting unit and C phase collecting units are mounted on overhead distribution
On circuit, for judging and indicating all kinds of earth faults and short trouble, and acquisition and capture singlephase earth fault and short circuit
The information such as characteristic, characteristic spectrum and the load current of failure, and collected information is uploaded to and collects unit 20.
Collecting unit 10 and is aided with super capacitor as master control power supply using the power supply mode of low current (5A) automatic electricity getting,
Meanwhile integrated energy acquisition system, nanoscale can be extracted from the various sources such as daylight, thermoelectricity, electromagnetism and vibrational energy
Energy, and the nanoscale energy extracted is managed using as stand-by power supply.
Collect unit 20, the acquisition information uploaded to collecting unit 10 is received and handled, and acquisition information is uploaded
To distribution main website 30.
Collect unit 20 and take the power supply mode of electricity using solar panels or TA, and is aided with rechargeable battery as stand-by power supply.
Collect unit 20 include CPU201 and connect the wireless telecommunications module 202 of CPU201, GPRS module 203, GPS pairs
When module 204 and encryption chip 205, further include power management module 206.
Wireless telecommunications module 202 can carry out it by communication terminal or debugging software parameter reading and writing, telemetry is read
And remote control.When short circuit, ground connection, the failures such as high temperature occur for circuit, system can send alarm message to specifying automatically
Phone number.System also has the function by message search circuit operating status.It, can by sending specific short message enquiry
Whether circuit occurs the failures such as short circuit, ground connection, high temperature, battery undervoltage in real time terminal monitoring range.
The frequency range of wireless telecommunications module 202 is 433MHz to 510MHz, with adjustable output power and high
Receiving sensitivity supports frequency modulation, may make that power consumption and transmission range are taken into account by software control optimization.
GPRS module 203, this terminal are carried out telecommunication using GPRS communication modes with distribution main website 30, and GPRS is a
4G the whole networks based on high-pass platform lead to technical grade module, support the 2G/3G/4G nets of three big operator of domestic movement/unicom/telecommunications
Network standard, communication pattern are the server/customer end pattern of Transmission Control Protocol, and distribution main website 30 is server, this terminal is client
End.Terminal and distribution main website 30 mainly use DL/T634.5101-2002 communication protocols, and equilibrium and non-equilibrium is supported to transmit mould
Formula.Support a variety of transmission reason length, public address length and link address length.
The collected short circuit of collecting unit 10, ground connection, high temperature and the information such as cell voltage is low are by 101 agreements with distant
Letter information uploads distribution main website 30.Other than 101 agreements, terminal also supports internal communication protocol, distribution master with distribution main website 30
It stands 30 relevant parameters and remote upgrade program that can remotely check, change terminal, in order to carry out remote maintenance.
The transient state recording type fault detector records ground connection, short circuit and remote control event in a manner of SOE, and supports
Failure wave-recording.
GPS clock synchronizations module 204 is positioned by Global Navigation Satellite System and obtains correct time and location information.
Encryption chip 205, using APN/VPDN dedicated encrypteds channel, the encryption chip 205 authenticated by national grid,
Transmission is encrypted to data channel, ensures security of system.
Power management module 206, this terminal cable type master control power supply take electricity, stand-by power supply to use super electricity using open C T
Hold (optional ferric phosphate lithium cell) and integrated energy collecting system；And overhead type takes electricity using solar energy, stand-by power supply is using 1 section
12V 7AH lead-acid accumulators.When master control power supply has electricity, power management module 206 automatically controls stand-by power supply and is not supplied to terminal
Electricity automatically carries out it charging and fills function with tiny stream if backup power source voltage is low.If terminal has worked normally, and master control electricity
When the dead electricity of source, then power management module 206 automatically controls stand-by power supply and powers to terminal.
Distribution main website 30, according to the characteristic of singlephase earth fault and short trouble in the acquisition information received and
Characteristic spectrum carries out earth fault to overhead distribution and short trouble detects and positioning, meanwhile, according to the acquisition received
Load current information in information provides line load reference information for staff, to be connect in overhead distribution
Abort situation is shown in time when earth fault, short trouble, to instruct operation maintenance personnel quickly to exclude line fault, is restored electricity, from
And it is that the safe and stable operation of power circuit provides safeguard and intelligentized decision.
Distribution main website 30 further includes wireless remote control fault detector 301, according to the ground connection of the overhead distribution captured
Failure and short trouble information, be carried out in situ board turning bright light, involution light-off and flashing light alarm prompt.
Transient state recording type fault detector provided by the utility model, adaptable line load current size can capture
The earth fault and short trouble information of overhead distribution, and it can be carried out in situ board turning and flashing light alarm, and by wireless
Fault type, time are sent to by communication collects unit 20, is forwarded to distribution main website 30 by collecting unit 20, is grounded failure
With the accurate detection and positioning of short trouble.
Transient state recording type fault detector provided by the utility model rely on the low current power taking technology of innovation, LORA without
Line, 4G communications, collection of energy and Rogowski coil sampling technique start high speed recording, collecting unit 10 when circuit breaks down
By the way that recording waveform transfer is wirelessly collected unit 20.Collect unit and gives distribution main website by GPRS communication upload recording waveforms
30.The software of distribution main website 30 can carry out overhead distribution according to recording waveform the detection of earth fault and short trouble
With positioning.When earth fault and short trouble occur, three-phase synchronous recording is uploaded to and collects unit 20 by collecting unit 10
Zero-sequence current waveform is synthesized, breakdown judge is used for.Collect the earth fault and short trouble letter that unit uploads collecting unit 10
Simultaneously label time parameter is uploaded to distribution main website 30 for breath and one wave file of Waveform composition.
This transient state recording type fault detector be at best able to acquisition 32 collecting units fault message, such as short circuit, connect
The fault messages such as ground, high temperature and battery undervoltage (in the case where transient state recording type fault detector is supported), and can be by matching
Electric main website 30 carries out inquiry operation；Be at best able to acquisition 32 collecting units measurement data, such as voltage, electric current, temperature (
In the case that fault detector is supported), and can be inquired by distribution main website 30.
Transient state recording type fault detector provided by the utility model can monitor the three-phase load electric current of circuit, failure electricity
Stream and operation informations and main power supply, the backup power supply lamp status information such as phase electric field strength, and will be sent in information above to
Electric main website 30.
The utility model has the following advantages：
1, power technology is accessed using the low current of innovation (5A)
Collecting unit built-in large capacity, long-life lithium Asia battery and super capacitor.Pass through application new material and innovation
Power technology can continuously take electricity, circuit 5A electric currents that can meet confession operation and deposit electricity within the scope of line current 0-1000A
Minimum requirements, without battery, to effectively extend life of product.
2, it precisely identifies circuit operating mode, supports current recording
It measures by the precision current of innovation and to earth electric field detection technique, can be obtained within the scope of line current 0-1000A
± 1% measurement accuracy, can it is highly sensitive detection line-to-ground electric field amplitude ± 0.5% variation, linemen's can be accurately identified
Condition.Line fault more can be lasting to improve for accumulating operating experience to current recording when calling survey together.
3, line status is monitored in real time
Using short-distance wireless communication and GPRS mixed networking technologies, various complicated line topologicals are supported；In active timing
Report line status.With communications two-way confirmation and functions of retransmission, it is ensured that the reliability of data transmission.It is real that circuit is controlled at any time
When operating status, the phenomenon that preventing conventional failure indicator " " deep sound sleep " ".
4, three-phase synthesis zero-sequence current, electric field signal, earth fault are precisely detected, are positioned
It is synthesized by three-phase and obtains transient zero-sequence current, electric field signal, it can be achieved that earth fault precisely detects and determines on the spot
Position, while collecting unit recording waveform can be uploaded to distribution main website, for line fault analysis, inverting and trace to the source.
5, super low-power consumption
Collecting unit is realized and is collected using special programming technology with technical grade wireless telecommunications module using low power consumption CPU
Between unit and monitoring platform software, collect between unit and collecting unit, is communicated with extremely low power consumption real time bidirectional.
6, the high-precision clock synchronizations of GPS, time service
Collect unit GPS high-precision (1us) time services, obtains accurate absolute time mark.Collect unit and every 30 points of collecting unit
Clock wireless synchronization once can guarantee three-phase synchronous precision (± 100us), realize three-phase current, over the ground electric field waveform acquisition.
7, non-maintaining design, can remote radio upgrade
Autonomous operation after hanging wire, complete non-maintaining design.Event can be updated by long distance wireless maintenance operation parameter when necessary
Hinder criterion or upgrading software program, promotes working efficiency.
The utility model is not limited to above-mentioned preferred forms, anyone knot made under the enlightenment of the utility model
Structure changes, every to have same or similar technical solution with the utility model, each fall within the scope of protection of the utility model it
It is interior.
Claims (10)
1. a kind of transient state recording type fault detector, which is characterized in that including：
Collecting unit, including A phases collecting unit, B phases collecting unit and C phase collecting units are mounted on overhead distribution line road,
For judging and indicating all kinds of earth faults and short trouble, and the singlephase earth fault and short trouble that will be acquired and capture
Information, which is uploaded to, collects unit；
Collect unit, the acquisition information uploaded to the collecting unit is received and handled, and acquisition information is uploaded to and is matched
Electric main website；
Distribution main website, according in the acquisition information received earth fault and short trouble information carry out fault detect and fixed
Position and guides operation maintenance personnel to exclude line fault, restores electricity.
2. transient state recording type fault detector as described in claim 1, which is characterized in that the collecting unit uses low current
The power supply mode of automatic electricity getting, and it is aided with super capacitor as master control power supply.
3. transient state recording type fault detector as claimed in claim 2, which is characterized in that the collecting unit integrated energy is adopted
Collecting system, from daylight, thermoelectricity, electromagnetism and vibrational energy extract nanoscale energy, and the nanoscale energy to extracting into
Row management is using as stand-by power supply.
4. transient state recording type fault detector as described in claim 1, which is characterized in that the acquisition information includes single-phase connect
Characteristic, characteristic spectrum and the load current information of earth fault.
5. transient state recording type fault detector as claimed in claim 4, which is characterized in that the distribution main website is according to receiving
Acquisition information in singlephase earth fault and short trouble characteristic and characteristic spectrum, to overhead distribution carry out therefore
Barrier detection and positioning；According to the load current information in the acquisition information received, line load reference is provided for staff
Information.
6. transient state recording type fault detector as described in claim 1, which is characterized in that it is described collect unit include CPU with
And wireless telecommunications module, GPRS module, GPS clock synchronizations module and the encryption chip of connection CPU, further include power management module；
Wireless telecommunications module carries out it parameter reading and writing by communication terminal or debugging software, telemetry is read and remote control
Control, when line failure, sends a warning message automatically to designated user；
GPRS module is carried out telecommunication using GPRS communication modes and the distribution main website；
GPS clock synchronization modules are positioned by Global Navigation Satellite System and obtain correct time and location information；
Encryption chip, to transmission is encrypted using the dedicated encrypted data channel of APN/VPDN；
Power management module, when master control power supply has electricity, power management module automatically controls stand-by power supply and does not power to terminal, if
Backup power source voltage is low, carries out charging to it automatically and fills function with tiny stream；If terminal has worked normally, and master control power supply loses
When electric, then power management module automatically controls stand-by power supply and powers to terminal.
7. transient state recording type fault detector as described in claim 1, which is characterized in that the distribution main website includes wireless remote
It is bright to be carried out in situ board turning according to the earth fault of the overhead distribution captured and short trouble information for control fault detector
Lamp, involution light-off and flashing light alarm prompt.
8. transient state recording type fault detector as described in claim 1, which is characterized in that the collecting unit is in earth fault
When occurring with short trouble, A phases collecting unit, B phases collecting unit and C phase collecting units are synchronized into recording, and be uploaded to institute
It states and collects unit synthesis zero-sequence current waveform, it is described to collect unit by the zero-sequence current waveform label time parameter and be uploaded to
The distribution main website.
9. transient state recording type fault detector as described in claim 1, which is characterized in that the distribution main website is in a manner of SOE
Record earth fault and short trouble information.
10. transient state recording type fault detector as described in claim 1, which is characterized in that described to collect unit and acquisition list
First Timing Synchronization.
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| CN201721924815.4U CN207882374U (en) | 2017-12-31 | 2017-12-31 | A kind of transient state recording type fault detector |
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| CN201721924815.4U CN207882374U (en) | 2017-12-31 | 2017-12-31 | A kind of transient state recording type fault detector |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051708A (en) * | 2017-12-31 | 2018-05-18 | 杭州柯林电气股份有限公司 | A kind of transient state recording type fault detector |
| CN109406947A (en) * | 2018-12-07 | 2019-03-01 | 河南师范大学 | A kind of explosion-proof type intelligent trouble indicator |
| CN113049913A (en) * | 2021-03-15 | 2021-06-29 | 广东电网有限责任公司梅州供电局 | Distribution line online monitoring method, device and system |
| CN114034956A (en) * | 2021-11-10 | 2022-02-11 | 国网甘肃省电力公司陇南供电公司 | Fault monitoring and early warning method for dry-type air-core reactor |
-
2017
- 2017-12-31 CN CN201721924815.4U patent/CN207882374U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108051708A (en) * | 2017-12-31 | 2018-05-18 | 杭州柯林电气股份有限公司 | A kind of transient state recording type fault detector |
| CN109406947A (en) * | 2018-12-07 | 2019-03-01 | 河南师范大学 | A kind of explosion-proof type intelligent trouble indicator |
| CN113049913A (en) * | 2021-03-15 | 2021-06-29 | 广东电网有限责任公司梅州供电局 | Distribution line online monitoring method, device and system |
| CN114034956A (en) * | 2021-11-10 | 2022-02-11 | 国网甘肃省电力公司陇南供电公司 | Fault monitoring and early warning method for dry-type air-core reactor |
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Address after: 310000 6 storeys, 7 blocks, No. 1418-41, Moganshan Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Colin electric Limited by Share Ltd Address before: 310000 No. 1418-15, Moganshan Road, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Colin electric Limited by Share Ltd |