CN208224421U - A kind of arrester on-line monitoring system - Google Patents
A kind of arrester on-line monitoring system Download PDFInfo
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- CN208224421U CN208224421U CN201820726150.4U CN201820726150U CN208224421U CN 208224421 U CN208224421 U CN 208224421U CN 201820726150 U CN201820726150 U CN 201820726150U CN 208224421 U CN208224421 U CN 208224421U
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- arrester
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Abstract
The utility model discloses a kind of arrester on-line monitoring systems, belong to arrester field.A kind of arrester on-line monitoring system of the utility model, including background server, Data Management Analysis unit, temperature monitoring module, partial discharge monitoring module and Leakage Current monitoring modular, the temperature monitoring module, partial discharge monitoring module and Leakage Current monitoring modular are connect with Data Management Analysis unit communications, the Data Management Analysis unit and background server communication connection, the temperature monitoring module includes the temperature sensor one set on arrester and high-tension apparatus ontology junction and the temperature sensor two at arrester ground terminal；The partial discharge monitoring module includes ultrahigh frequency antenna sensor；The Leakage Current monitoring modular includes the punching current sensor at arrester ground terminal.The monitoring system of the utility model, monitoring precision is high, and monitoring data are relatively reliable.
Description
Technical field
The utility model relates to arrester technical fields, more specifically to a kind of arrester on-line monitoring system.
Background technique
Arrester is for protecting in electric system various electrical equipments from lightning surge, switching overvoltage, power frequency
One electric appliance of transient overvoltage impact and damage.Existing market mostly uses greatly the valve-type arrester of zinc oxide valve plate, this kind is kept away
Thunder device structure is simple, technology maturation, to be applicable in voltage class wide, although failure rate is not high, because product quantity radix is big, still has
Many failure feedbacks, are analyzed by failure arrester, and discovery failure cause concentrates on valve block failure, can not show zinc oxide
Good nonlinear wind vibration dissects valve block failure underlying causes, is concentrated mainly on moisture intrusion and filthy part of causing is put
Electric final influence insulation guarantees that arrester works normally in order to find failure arrester in time, needs to carry out arrester
Monitoring.
Domestic arrester monitoring at present is mainly divided to two classes, and one kind is monitored by polyimide, another kind of
It is to be monitored by online monitoring device.Portable detection equipment has its superiority, but needs manually to carry at any time
Monitoring device and by being manually monitored, it is very inconvenient.Online monitoring is divided to two kinds again: one is by traditional pointer
Formula stem-winder is monitored, such product stability is high, and occupation rate of market is big, and effect is to record to number of lightning strokes, mentions
Awake user targetedly arranges investigation maintenance when certain, still, once pointer stem-winder generation pointer is stuck or super
Journey will be unable to self- recoverage, and pointer stem-winder loses monitoring function, and this kind of monitoring mode is checked there is still a need for artificial scene,
Data can not Macro or mass analysis, reduce cost of labor and improve working efficiency it is unobvious；Another kind is using spot sensor data
Acquisition, by data collection and teletransmission, but this kind of monitoring mode only monitors the leakage current on arrester ground line at present, leads to
The case where crossing the electric current analyses whether to be struck by lightning, the impedance variations of arrester when being struck by lightning, this diagnostic mode there is
Certain defect, such as impact without lightning stroke or high voltage field strength, will sink into the difficult situation that no data is analyzed, can not assess
The service life of arrester causes the time lag replaced or overhauled.
Summary of the invention
1. utility model technical problems to be solved
For arrester on-line detecting system above shortcomings in the prior art, the utility model provides a kind of lightning-arrest
Device on-line monitoring system, the monitoring system are equipped with temperature monitoring module, partial discharge monitoring module and Leakage Current monitoring modular,
Temperature, partial discharge intensity and the Leakage Current that arrester can be monitored, whether there is so as to accurately prejudge arrester
Failure, the temperature monitoring module of the monitoring system include the temperature sensor one set on arrester and high-tension apparatus ontology junction
With the temperature sensor two being set at arrester ground terminal, temperature sensor one and two collective effect of temperature sensor can be mentioned
The precision of height monitoring, so that monitoring data are relatively reliable, meanwhile, which further includes bus monitoring modular, further
Arrester is monitored indirectly, is conducive to find failure arrester much sooner.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of arrester on-line monitoring system of the utility model, including background server, Data Management Analysis unit, temperature
Spend monitoring modular, partial discharge monitoring module and Leakage Current monitoring modular, the temperature monitoring module, partial discharge monitoring
Module and Leakage Current monitoring modular are connect with Data Management Analysis unit communications, the information monitored is transmitted to number
According to processing and analysis unit, the Data Management Analysis unit and background server communication connection, to will treated data
It is uploaded to background server, the temperature monitoring module includes that the temperature set on arrester and high-tension apparatus ontology junction passes
Sensor one and the temperature sensor two at arrester ground terminal, the temperature sensor one and temperature sensor two divide
It is not connect with Data Management Analysis unit communications；The partial discharge monitoring module includes ultrahigh frequency antenna sensor, described
Ultrahigh frequency antenna sensor connect with Data Management Analysis unit communications；The Leakage Current monitoring modular includes being set to keep away
Punching current sensor at thunder device ground terminal, the punching current sensor also connect with Data Management Analysis unit communications
It connects.
Further, the temperature sensor one is passive sonic surface wave sensor.
Further, which further includes the bus monitoring modular connecting with Data Management Analysis unit communications, described
Bus monitoring modular include the voltage transformer being connect with bus and the voltage sensor that is connect with voltage transformer.
3. beneficial effect
It is had the following beneficial effects: compared with existing well-known technique using technical solution provided by the utility model
(1) a kind of arrester on-line monitoring system of the utility model, the monitoring system are equipped with temperature monitoring module, part
Discharge monitoring modular and Leakage Current monitoring modular, can monitor temperature, partial discharge intensity and the Leakage Current of arrester, from
And can accurately prejudge arrester with the presence or absence of failure, which both realized adopting for critical data when being struck by lightning
Collection, and monitoring when not being struck by lightning to arrester use state is realized, which can cause in early detection failure
Attendant phenomenon avoid meaningless planned power failure to allow a technician to targeted interruption maintenance, be more avoided that
The high-voltage electrical equipment failure that timely aerial drainage causes is repaired or failed after arrester failure or breakdown again.
(2) a kind of arrester on-line monitoring system of the utility model, the temperature monitoring module of the monitoring system include setting
Temperature sensor one in arrester Yu high-tension apparatus ontology junction and the temperature sensor at arrester ground terminal
Two, when equipment live is run, surface temperature can be increased, also can be naturally to function of environment heat emission, under normal circumstances, arrester and high pressure
The temperature of apparatus body junction and the temperature at arrester ground terminal should be all maintained in a stable range, once hair
Raw abrupt change, certainly exists phenomenon of the failure, which passes through temperature sensor one and two sensor two of temperature sensor simultaneously
Temperature at two is monitored, temperature sensor one and two collective effect of temperature sensor can be improved the precision of monitoring,
So that monitoring data are relatively reliable.
(3) a kind of arrester on-line monitoring system of the utility model, the temperature sensor one of the monitoring system are passive
Surface acoustic wave sensor, passive sonic surface wave sensor accuracy and high sensitivity, and passive surface acoustic wave sensor, reduce
Work risk, influences on monitoring data small.
(4) a kind of arrester on-line monitoring system of the utility model, the monitoring system further include and Data Management Analysis
The bus monitoring modular of unit communications connection, which includes the voltage transformer connecting with bus and mutual with voltage
The voltage sensor of sensor connection can real-time monitor the electricity being flowed on bus through arrester by the voltage sensor
Pressure, if voltage exceed normal range (NR), arrester breaks down at this, the bus monitoring modular further indirectly to arrester into
It has gone monitoring, has been conducive to find failure arrester much sooner.
Detailed description of the invention
Fig. 1 is a kind of system diagram of arrester on-line monitoring system of the utility model；
Fig. 2 is that a kind of arrester on-line monitoring system of the utility model omits the electrical principle frame after bus monitoring modular
Figure.
Label declaration in schematic diagram:
1, background server；2, Data Management Analysis unit；3, temperature monitoring module；4, partial discharge monitoring module；5,
Leakage Current monitoring modular；6, bus monitoring modular.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment
Referring to figs. 1 and 2, a kind of arrester on-line monitoring system of the present embodiment, including background server 1, number
According to processing and analysis unit 2, temperature monitoring module 3, partial discharge monitoring module 4 and Leakage Current monitoring modular 5, wherein temperature
Monitoring modular 3, partial discharge monitoring module 4 and Leakage Current monitoring modular 5 with 2 communication connection of Data Management Analysis unit,
The information monitored is transmitted to Data Management Analysis unit 2, Data Management Analysis unit 2 and background server 1 are communicated
Connection, to data are uploaded to background server 1 by treated.It should be noted that temperature monitoring module 3 includes being set to keep away
The temperature sensor one and the temperature sensor two at arrester ground terminal of thunder device and high-tension apparatus ontology junction, temperature
Spend sensor one and temperature sensor two respectively with 2 communication connection of Data Management Analysis unit.When high-tension apparatus charging operation, table
Face temperature can increase, also can be naturally to function of environment heat emission, under normal circumstances, the temperature of arrester and high-tension apparatus ontology junction
It should be all maintained in a stable range with the temperature at arrester ground terminal, once abrupt change occurs, certainly exist failure
Phenomenon, the monitoring system simultaneously supervise the temperature at two by temperature sensor one and two sensor two of temperature sensor
Survey, temperature sensor one and two collective effect of temperature sensor can be improved the precision of monitoring, so that monitoring data more may be used
By being collected by sensor method to data.Temperature sensor one and temperature sensor two pass data to data processing
After analytical unit 2, Data Management Analysis unit 2 and background server 1 are analyzed and are compared to two data, if two
Data not in the normal range, then a possibility that monitored arrester breaks down is i.e. very big, compared to only setting
It sets for a temperature sensor, the data that the temperature sensor one and two collective effect of temperature sensor of the present embodiment obtain
Confidence level is higher.When one of them in temperature sensor one or temperature sensor two breaks down or damages, another biography
Sensor can still work normally, carry out temperature detection with check arrester whether failure, passed compared to temperature is only arranged
For sensor, the scheme operation of the present embodiment is relatively reliable, also, works as in temperature sensor one or temperature sensor two wherein
When one interference of the work by other factors, another sensor can still be worked normally, and provide reliably for staff
Data.Preferably, the temperature sensor one of the present embodiment is passive sonic surface wave sensor, passive sonic surface wave sensor essence
Degree and high sensitivity, and passive surface acoustic wave sensor, reduce work risk, influence on monitoring data small.Specifically, on
The Data Management Analysis unit 2 stated include processing unit one, the processing unit one include sequentially connected electromagnetic pulse generator,
Filter, data converter and photoelectric converter, temperature sensor one and temperature sensor two respectively with electromagnetic pulse generator
Communication connection, photoelectric converter and 1 communication connection of background server, the data to handle analysis well are uploaded to background service
Device 1.
Above-mentioned partial discharge monitoring module 4 includes ultrahigh frequency antenna sensor, the ultrahigh frequency antenna sensor and data
2 communication connection of processing and analysis unit.Arrester is equivalent to the switch of open circuit, high-tension apparatus under the normal operating conditions of no lightning stroke
The environment of a high voltage field strength is applied with to the terminal of arrester, situations such as polluting without filth or zinc oxide valve plate is without deterioration
Under, the partial discharge phenomenon of arrester should be well, no peak discharge, gap discharge, particulate matter electric discharge phenomena, using hyperfrequency
Antenna can be monitored (high frequency electromagnetic wave signal derived from discharging) to above-mentioned electric discharge phenomena.Certainly, because ultra-high frequency antenna passes
Sensor measurement is high frequency electromagnetic wave signal, so cannot have gold between the antenna sensor and Partial Discharge Sources that may be present
Belong to enclosed construction, but above-mentioned misgivings are not present in open type arrester.Have with ultrahigh frequency antenna sensor monitoring higher sensitive
Degree, and the electromagnetic interference degree very little that the ultrahigh frequency antenna sensor is generated by corona in noise and air, measurement result is more
Precisely.Certainly, it includes the sound hair being mounted on lightning arrestor shell by insulating bar that the partial discharge monitoring module 4 of the present embodiment, which is breathed out,
The High Frequency Current Sensor penetrating sensor and being mounted on the ground line of arrester, the partial discharge monitoring module 4 of the present embodiment
Also arrester is detected using acoustoelectric combined shelf depreciation method, office between metal caused by judging whether there is because of assembly problem
The failures such as shelf depreciation caused by portion discharges, deteriorates because of metal oxide, caused by especially judging whether because of assembly problem
Shelf depreciation between metal.Above-mentioned Data Management Analysis unit 2 also packet processing unit two, the processing unit two include sequentially connected
Signal amplifier, signal picker, high speed MCU (MCU refers to micro-control unit herein) and photoelectric converter, ultra-high frequency antenna pass
Sensor, acoustic emission sensor and High Frequency Current Sensor with signal amplifier communication connection, are transmitted respectively will test information
To signal amplifier, photoelectric converter and 1 communication connection of background server, the data to handle analysis well are uploaded to backstage
Server 1 handled, stored and shown by background server 1, and the signal that above-mentioned each sensor detects is through the processing unit
Background server 1 is uploaded to after compensation, conversion, processing and the transmission of two progress signals.
Above-mentioned Leakage Current monitoring modular 5 includes the punching current sensor at arrester ground terminal, this is worn
Electrocardio flow sensor also with 2 communication connection of Data Management Analysis unit.The punching current sensor is also passive design, passes through sense
Mode is answered to monitor the aerial drainage situation over the ground of arrester when lightning stroke or surge occurs, which is connect by induction
Leakage current on ground wire analyzes number of lightning strokes, intensity and dielectric loss etc., at the same time, in order to eliminate high voltage installation sheet
The third harmonic interference of body, the present embodiment are surveyed in protection and add sensor as reference signal, made by third harmonic analysis
Data are relatively reliable.In addition, above-mentioned Data Management Analysis unit 2 further includes processing unit three, the processing unit three include according to
Signal compensator, digital analog converter, high speed MCU (MCU refers to micro-control unit herein) and the photoelectric converter of secondary connection, punching
Current sensor and signal compensator communication connection, photoelectric converter and 1 communication connection of background server, punching current sensor
The signal detected is uploaded to background server 1 after the three progress compensation of signals, conversion, processing and transmission through the processing unit.
Above-mentioned multiple sensor detection datas are Real-time Monitoring Data, are uploaded by the way that Data Management Analysis unit 2 is unified
Summarized to background server 1 and expressed respectively, comprehensive analysis is carried out by map, historical data etc., determines to keep away with this
The working condition of thunder device compares the history parameters (storage of parameter or longitudinal comparison lightning arrester body that arrester producer provides
Historical data in background server 1) it can also infer the working life of arrester, it is very convenient, it is practical.This implementation
The monitoring system of example can monitor temperature, partial discharge intensity and the Leakage Current of arrester, keep away so as to accurately prejudge
Thunder device whether there is failure, which not only realized the acquisition of critical data when being struck by lightning, but also realized and thunder does not occur
The attendant phenomenon that the monitoring of arrester use state, the monitoring system can be caused in early detection failure when hitting, to make skill
Art personnel can targeted interruption maintenance, avoid meaningless planned power failure, reduce the interruption maintenance time, be more avoided that and keep away
The high-voltage electrical equipment failure that timely aerial drainage causes is repaired or failed after the failure of thunder device or breakdown again, equipment can be effectively improved
Operation level and reliability reduce equipment failure rate, extend the service life of equipment, have saved a large amount of maintenance of equipment money
Gold.
In addition, the monitoring system of the present embodiment further includes monitoring mould with the bus of 2 communication connection of Data Management Analysis unit
Block 6, the bus monitoring modular 6 include the voltage transformer connecting with bus and the voltage sensor that connect with voltage transformer.
In the present embodiment, bus refers to the total cable being connected between arrester and power grid.It is mutual that the present embodiment passes through voltage first
Sensor proportionally reduces the voltage on bus, in order to which voltage sensor is detected, under normal condition, through voltage transformer
Voltage after effect is kept in a certain range, lightning-arrest if the super expression if the range of the voltage that voltage sensor detects
Device does not work normally, and failure has occurred in arrester.The present embodiment can be real-time monitored by voltage sensor through arrester
The voltage being flowed on bus, if voltage exceeds normal range (NR), arrester breaks down at this, and the bus monitoring modular is into one
Step indirectly monitors arrester, is conducive to find failure arrester much sooner.Preferably, the bus of the present embodiment
On be also connected with the power-off protection phase, which is connect by controller with voltage sensor, and power-off protector work
With on bus, after the voltage that voltage sensor detects exceeds normal range, voltage sensor passes through controller control
Power-off protector work processed, makes to disconnect between bus and power grid, to protect equipment.The present embodiment is also combined with
Client uses, very convenient so that technical staff is remotely monitored, operates.
A kind of arrester on-line monitoring system of the utility model, the monitoring system can monitor the temperature of arrester, office
Portion's strength of discharge and Leakage Current whether there is failure, and the temperature of the monitoring system so as to accurately prejudge arrester
Degree monitoring modular includes set on the temperature sensor one of arrester with high-tension apparatus ontology junction and set on arrester ground end
Temperature sensor two at son, temperature sensor one and two collective effect of temperature sensor can be improved the precision of monitoring, make
It is relatively reliable to obtain monitoring data.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, without creatively designing
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (3)
1. a kind of arrester on-line monitoring system, it is characterised in that: including background server (1), Data Management Analysis unit
(2), temperature monitoring module (3), partial discharge monitoring module (4) and Leakage Current monitoring modular (5), the temperature monitoring mould
Block (3), partial discharge monitoring module (4) and Leakage Current monitoring modular (5), which are communicated with Data Management Analysis unit (2), to be connected
It connects, the information monitored to be transmitted to Data Management Analysis unit (2), the Data Management Analysis unit (2) is with after
Platform server (1) communication connection, to will treated that data are uploaded to background server (1), the temperature monitoring module
It (3) include the temperature sensor one set on arrester and high-tension apparatus ontology junction and the temperature at arrester ground terminal
Spend sensor two, the temperature sensor one and temperature sensor two respectively with Data Management Analysis unit (2) communication connection；
The partial discharge monitoring module (4) includes ultrahigh frequency antenna sensor, at the ultrahigh frequency antenna sensor and data
Manage analytical unit (2) communication connection；The Leakage Current monitoring modular (5) includes the punching at arrester ground terminal
Current sensor, the punching current sensor also with Data Management Analysis unit (2) communication connection.
2. a kind of arrester on-line monitoring system according to claim 1, it is characterised in that: the temperature sensor one
For passive sonic surface wave sensor.
3. a kind of arrester on-line monitoring system according to claim 2, it is characterised in that: further include and data processing point
The bus monitoring modular (6) of unit (2) communication connection is analysed, the bus monitoring modular (6) includes the voltage connecting with bus
Mutual inductor and the voltage sensor being connect with voltage transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726150.4U CN208224421U (en) | 2018-05-16 | 2018-05-16 | A kind of arrester on-line monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726150.4U CN208224421U (en) | 2018-05-16 | 2018-05-16 | A kind of arrester on-line monitoring system |
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| CN208224421U true CN208224421U (en) | 2018-12-11 |
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| CN201820726150.4U Active CN208224421U (en) | 2018-05-16 | 2018-05-16 | A kind of arrester on-line monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596482A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | Power transmission line lightning arrester detection system based on inductive power supply and detection method thereof |
| CN113495226A (en) * | 2021-08-23 | 2021-10-12 | 广东电网有限责任公司 | Lightning arrester on-line monitor device easy to replace without power outage |
| CN114236297A (en) * | 2022-02-15 | 2022-03-25 | 西安西电避雷器有限责任公司 | Lightning arrester on-line monitoring system |
-
2018
- 2018-05-16 CN CN201820726150.4U patent/CN208224421U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110596482A (en) * | 2019-07-09 | 2019-12-20 | 国网江苏省电力有限公司徐州供电分公司 | Power transmission line lightning arrester detection system based on inductive power supply and detection method thereof |
| CN113495226A (en) * | 2021-08-23 | 2021-10-12 | 广东电网有限责任公司 | Lightning arrester on-line monitor device easy to replace without power outage |
| CN113495226B (en) * | 2021-08-23 | 2024-01-23 | 广东电网有限责任公司 | Lightning arrester on-line monitor device easy to replace without power outage |
| CN114236297A (en) * | 2022-02-15 | 2022-03-25 | 西安西电避雷器有限责任公司 | Lightning arrester on-line monitoring system |
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