CN108957109A - A kind of lightning induced voltage monitoring device - Google Patents
A kind of lightning induced voltage monitoring device Download PDFInfo
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- CN108957109A CN108957109A CN201810938186.3A CN201810938186A CN108957109A CN 108957109 A CN108957109 A CN 108957109A CN 201810938186 A CN201810938186 A CN 201810938186A CN 108957109 A CN108957109 A CN 108957109A
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- voltage monitoring
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 49
- 238000004891 communication Methods 0.000 claims abstract description 23
- 238000013500 data storage Methods 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims description 33
- 230000005684 electric field Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004458 analytical method Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of lightning induced voltage monitoring device, which is characterized in that including power supply device, sensor, data acquisition device, data storage device, data communication equipment；The power supply device is connected with the data acquisition device, data storage device, data communication equipment；The data acquisition device is connect with the sensor；The data storage device is connect with the data acquisition device；The data communication equipment is connect with the data storage device.
Description
Technical field
It prevents and reduces natural disasters technical field more particularly to a kind of lightning induced voltage monitoring device the invention belongs to electric system.
Background technique
China is vast in territory, and complex geographical environment is changeable, and weather conditions differ greatly, and is one great to operation of power networks
Test.Distribution line density is powered to end user greatly, directly, once breaking down, is directly contributed user's power failure, is brought huge
Economic and social profit loss.
Currently, city distribution mainly uses cable power transmission, but on the outskirts of a town, still based on overhead distribution.Due to
Corridor anxiety of transmitting electricity and the local influence of topography, part distribution line is set up in mountainous region, larger by thunderbolt risk.And distribution wire
Road itself dielectric level is lower, relative to major network route, it is easier to be influenced by inductive lightning, but lack at present to distribution just
Prompt extensive lightning induced voltage monitoring.Lightning Warning monitoring in real time comprehensively is carried out to power grid and to the node easily to break down
Or field location progress safety investigation is the premise for ensureing the stabilization of power grids and well running, and the technology hardly possible of current power system development
Point.
Summary of the invention
It is an object of the invention to overcome above-mentioned defect existing in the prior art, a kind of light and handy convenient, Neng Gouguang is provided
The general lightning induced voltage monitoring device applied to the monitoring of distribution line Lightning Warning.
In order to achieve the above-mentioned object of the invention, the invention provides the following technical scheme:
A kind of lightning induced voltage monitoring device, which is characterized in that including power supply device, sensor, data acquisition device,
Data storage device, data communication equipment；
The power supply device is connected with the sensor, data acquisition device, data storage device, data communication equipment
It connects；
The data acquisition device is connect with the sensor；
The data storage device is connect with the data acquisition device；
The data communication equipment is connect with the data storage device.
Further, in the lightning induced voltage monitoring device, the power supply device is made using coil or/and magnet ring
To take energy device to obtain energy from distribution line using electromagnetic induction principle.
Further, in the lightning induced voltage monitoring device, the power supply device can also include that battery is made
For backup power source；It can not get energy in line fault or when monitoring device mains power failure, monitoring device can also to ensure
It continues to use, provides the foundation guarantee for lightning monitoring steady in a long-term.
Further, the sensor is including at least one in electric-field sensor, current sensor.
Further, the electric-field sensor is MEMS electric-field sensor.
Further, the current sensor is Rogowski coil.
Further, in the lightning induced voltage monitoring device, the data acquisition device is for supervising sensor
Voltage, the current information measured is stored in data storage device；The storage refer to storage certain information content recently several times
Monitoring result, storage content with new monitoring result incoming continuous renewal；The setting of storage device can be in monitoring device
The requirement to number of communications and communication security degree is reduced, under the environment such as adverse circumstances, network failure, cannot in real time be tied monitoring
When fruit feedback or primary execution transmission information failure, it subsequent can continue the temporary information of transmission, and can once send more
A monitoring record data.Therefore, the setting of storage device can be good at improving the acquisition rate of monitoring result.
Further, in the lightning induced voltage monitoring device, the storage device uses flash memory technology.
Further, in the lightning induced voltage monitoring device, the data communication equipment is passed using wireless data
The electric field of monitoring or current information are transmitted to remote terminal by defeated mode.
Further, in the lightning induced voltage monitoring device, the data communication equipment be may also receive from
In the data of other lightning induced voltage monitoring devices.Several lightning induced voltage monitoring devices can form local area network, these
Monitoring data can be sent to a lightning induced voltage monitoring device by lightning induced voltage monitoring device, then by this device
It is uploaded to cloud database, to save the cost of wireless communication, improves the stability of communication.
Further, in the lightning induced voltage monitoring device, which is installed on distribution line shaft tower or leads
On line.Lightning induced voltage monitoring device disclosed in this invention detects electric field, tool using MEMS sensor or Rogowski coil
There have the characteristics that be small in size, convenient.The lightning induced voltage monitoring device is capable of fixing on distribution line shaft tower or conducting wire.
Voltage of electric field at power grid node can not only be monitored, can also monitor the voltage of electric field on field location according to demand, thus convenient
It realizes and comprehensive monitoring targetedly is carried out to distrbution network.
Further, in the lightning induced voltage monitoring device, the induced voltage is that each phase of distribution line is led
Induced voltage on line.
Further, in the lightning induced voltage monitoring device, further include a data processing and analysis device, be used to
Analysis and early warning are carried out to the history and real-time voltage that receive each position, current information.To the voltage or current of power grid
More than the monitoring result of threshold value, real-time early warning is carried out, to exclude thunder and lightning danger in time.To the multiple monitoring result in each monitoring point
Analysis, can find out the power grid point for being easy to happen thunder and lightning danger, to exclude security risk in time.
Detailed description of the invention
The embodiment of the present invention is described in more detail in conjunction with the accompanying drawings, the above and other purposes of the present invention,
Feature and advantage will be apparent.Attached drawing is used to provide to further understand the embodiment of the present invention, and constitutes explanation
A part of book, is used to explain the present invention together with the embodiment of the present invention, is not construed as limiting the invention.Except non-clearly referring to
Out, otherwise attached drawing is not considered as drawn to scale.In the accompanying drawings, identical reference label typically represents same components or step.
In the accompanying drawings:
Fig. 1 is to show a kind of structural schematic diagram of lightning induced voltage monitoring device of the present invention.
Specific embodiment
In order to enable the object, technical solutions and advantages of the present invention become apparent, root is described in detail below with reference to accompanying drawings
According to example embodiments of the present invention.Obviously, described embodiment is only a part of the embodiments of the present invention, rather than this hair
Bright whole embodiments, it should be appreciated that the present invention is not limited by example embodiment described herein.Based on reality described herein
Example is applied, those skilled in the art's obtained all other embodiment in the case where not making the creative labor should all be fallen into
Within protection scope of the present invention.
Fig. 1 is a kind of structure chart of lightning induced voltage monitoring device of the present invention.The invention discloses a kind of lightning inductions
Voltage monitor, described device include power supply device, sensor, data acquisition device, data storage device, data communication dress
It sets；
The power supply device is connected with the sensor, data acquisition device, data storage device, data communication equipment
It connects；
The data acquisition device is connect with the sensor；
The data storage device is connect with the data acquisition device；
The data communication equipment is connect with the data storage device.
In the present embodiment, power supply device is used as using coil or/and magnet ring and takes energy device.When there is certain work in distribution line
When making electric current, magnetic field can be generated around conducting wire.Using electromagnetic induction principle, by arrangement coil or magnet ring, may be implemented mutually
Sense takes energy, provides voltage for the circuit part of lightning induced voltage monitoring device, realizes power supply steady in a long-term.·
In the present embodiment, the power supply device further includes battery as backup power source.It the power storage cell and described takes
Energy device passes through main control circuit and connects.Under normal circumstances, by taking energy device to realize power supply steady in a long-term；Work as distribution line failure
When the states such as tripping or zero load are without having steady operation electric current, it can be powered by standby battery；Battery configures solar panels,
It is charged by solar energy to battery.Whether standby battery puts into, and whether detects operating current by Rogowski coil
To determine.When Rogowski coil detects steady operation electric current, powered by main power source；When Rogowski coil does not detect steady operation
It when electric current, is powered by backup power source, the switching of the two is realized by main control circuit.
In the present embodiment, the sensor is including at least one in electric-field sensor, current sensor.
In the present embodiment, electric-field sensor is MEMS electric-field sensor, has small in size, high sensitivity, the spy of low cost
Point is the good selection for the net matched for a wide range of power grid.
In the present embodiment, the current sensor is Rogowski coil.Rogowski coil is mainly used to measure transmission and distribution line road
Circuit, Rogowski coil has the characteristics that dynamic response is fast, is suitable for measurement transient current.When distribution line is by lightning induction
Voltage and when leading to failure, it will usually generate transient voltage and electric current, monitor transient current using Rogowski coil, can cooperate,
Assist the analysis of lightning induced voltage.
In the present embodiment, the data acquisition device is used to voltage that sensor monitors, current information being stored in number
According to storage device, the voltage, the output analog voltage signal that current information is MEMS sensor around every phase distribution line, with
And the analog voltage signal of the output of Rogowski coil, with digital signal after the sampling that these voltage signals pass through certain sample rate
Form storage, after being transferred to cloud or terminal, by its inverting be distribution line on wire voltage, current information；It is described
Storage refers to that the monitoring result several times recently for storing certain information content, storage content are incoming continuous with new monitoring result
It updates；Certain information content can be to be arranged according to capacity of memory device, can also be according to record if the amount of storage upper limit is 1M
Quantity setting such as stores up to 100 the recently measured records.When there is new measurement record deposit, earliest part is deleted
Record, is constantly updated with this.The setting that the record of storage can store device can be good at improving the acquisition rate of monitoring result.
In the present embodiment, the storage device uses flash memory technology, such as flash.Flash memory technology can be realized quickly
Multiple erasing legacy data is written new data, and is non-volatile memory medium.Stack data management to above-mentioned first in, first out
It is a kind of preferred embodiment.
In the present embodiment, the data communication equipment uses wireless data transmission mode, by the voltage of monitoring, current information
It is transmitted to remote terminal.In the present embodiment, optionally there are two types of modes for the transmission of monitoring information.One is will recently monitor
Record is sent directly to remote terminal.It is filled the second is communication device may also receive from monitoring in other lightning induced voltages
The data set；Several lightning induced voltage monitoring devices can form local area network, these lightning induced voltage monitoring devices can be with
Monitoring data are sent to a lightning induced voltage monitoring device, then remote terminal database is uploaded to by this device.Together
When, since storage device stores the recently measured a plurality of record, the transmission operation also supports that storage equipment will be stored in, but
Because the record that the reasons such as certain environment, exception can not be sent to terminal in time is again sent to terminal.The transmission operation may be used also
To be arranged in a plurality of metrical information of some cycles Batch sending according to the reception ability of remote terminal.
In the present embodiment, the device with Embedded program is used for the processing of the information monitored, transmission process
It is controlled.
In the present embodiment, the lightning induced voltage monitoring device is installed on distribution line shaft tower or conducting wire.This
The lightning induced voltage monitoring device detects electric field using MEMS sensor or Rogowski coil, have it is small in size,
Convenient feature.In the present embodiment, the lightning induced voltage monitoring device most side both ends have for by device binding and bar
The fixed device of flexible hydrodynamic form on tower or conducting wire.The fixed form of lightning induced voltage monitoring device described in the disclosure, no
It is only limited to binding mode.In specific implementation, it can according to need and fixed using latch closure, the modes such as grip.
In the present embodiment, in the lightning induced voltage monitoring device, the induced voltage is each phase of distribution line
Induced voltage on conducting wire.The electric field strength of a certain position of transmission line of electricity is contributive by voltage on the every phase conductor in the position
Comprehensive, percentage contribution is determined by the spatial position of the position and conducting wire.When sensor is close to every phase conductor, the space of the point
Voltage is determined by the phase voltage.Therefore, the voltage for monitoring each phase conductor on certain position more acurrate can synthetically be monitored
Voltage on position.
Further include a data processing and analysis device in the lightning induced voltage monitoring device in the present embodiment, uses
To carry out analysis and early warning to the history and real-time voltage that receive each position, current information.To the voltage or electric current of power grid
More than the monitoring result of threshold value, real-time early warning is carried out, to exclude thunder and lightning danger in time.In the present embodiment, the alarm mode
Specific sound is issued including data processing and analysis device, and issues short massage notice to responsible person.The alarm mode can
To be any acoustic and light information and electronic communication for meeting application demand.It, can to the multiple analysis on monitoring result in each monitoring point
To find out the power grid point for being easy to happen thunder and lightning danger, to exclude security risk in time；For example, the voltage when a monitoring point is more
It is secondary or continuously reach several times and approach threshold value, it may be considered that this monitoring point route has the risk by thunder and lightning, Ke Yiju
This monitoring point route does repair and maintenance, excludes hidden danger in advance.
It is set specifically, those skilled in the art can carry out selectivity to the specific component with principle according to the present invention
It sets, as long as can be realized the principle of control method of the invention.
It should be noted that purpose of the term as used in this specification merely for description particular implementation, rather than
It is intended to limit the invention.
Those skilled in the art should understand that: the above embodiments are only used to illustrate the technical solution of the present invention., and
It is non-that it is limited；Although present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can
To modify the technical solutions described in the foregoing embodiments, or some or all of the technical features are carried out etc.
With replacement；And these are modified or replaceed, the range of it does not separate the essence of the corresponding technical solution claims of the present invention.
Claims (10)
1. a kind of lightning induced voltage monitoring device, which is characterized in that including power supply device, sensor, data acquisition device, number
According to storage device, data communication equipment；
The power supply device is connected with the sensor, data acquisition device, data storage device, data communication equipment；
The data acquisition device is connect with the sensor；
The data storage device is connect with the data acquisition device；
The data communication equipment is connect with the data storage device.
2. lightning induced voltage monitoring device according to claim 1, which is characterized in that the power supply device uses coil
Or/and magnet ring, using electromagnetic induction principle, energy is obtained from distribution line and is sensing connected to it as energy device is taken
Device, data acquisition device, data storage device, data communication equipment power supply.
3. lightning induced voltage monitoring device according to claim 2, which is characterized in that the power supply device can also wrap
Battery is included as backup power source.
4. lightning induced voltage monitoring device according to claim 1, which is characterized in that the sensor includes at least electricity
One in field sensor, current sensor.
5. lightning induced voltage monitoring device according to claim 4, which is characterized in that the electric-field sensor is MEMS
Electric-field sensor.
6. lightning induced voltage monitoring device according to claim 4, which is characterized in that the current sensor is Roche
Coil.
7. lightning induced voltage monitoring device according to claim 1, which is characterized in that the data acquisition device is used for
Voltage, the current information that acquisition sensor monitors, and collected voltage, current information are stored in the data storage dress
It sets.
8. lightning induced voltage monitoring device according to claim 1, which is characterized in that the data communication equipment uses
The voltage of monitoring, current information are transferred directly to remote terminal or are transmitted to monitoring information by wireless data transmission mode
With the lightning induced voltage monitoring device the same local area network other lightning induced voltage monitoring devices, and by the receiving
Monitoring information is uniformly sent remote terminal by the lightning induction monitoring device of monitoring information.
9. lightning induced voltage monitoring device according to claim 1, which is characterized in that the device is installed on distribution line
On shaft tower or conducting wire.
10. lightning induced voltage monitoring device according to claim 1, which is characterized in that further include a data processing
Analytical equipment, for carrying out analysis and early warning to the history and real-time voltage that receive each position, current information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938186.3A CN108957109A (en) | 2018-08-17 | 2018-08-17 | A kind of lightning induced voltage monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810938186.3A CN108957109A (en) | 2018-08-17 | 2018-08-17 | A kind of lightning induced voltage monitoring device |
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| Publication Number | Publication Date |
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| CN108957109A true CN108957109A (en) | 2018-12-07 |
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| CN201810938186.3A Pending CN108957109A (en) | 2018-08-17 | 2018-08-17 | A kind of lightning induced voltage monitoring device |
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|---|---|---|---|---|
| CN103604978A (en) * | 2013-11-30 | 2014-02-26 | 国家电网公司 | On-line monitor device of lightning current of overhead transmission line based on PCI collection card |
| CN106033096A (en) * | 2015-03-16 | 2016-10-19 | 武汉三相电力科技有限公司 | On-line monitoring system and method for transformer station lightning invasion wave |
| CN106597224A (en) * | 2016-12-20 | 2017-04-26 | 国家电网公司 | Extra-high-voltage overhead line lightning current leakage acquisition and positioning analysis system |
| CN206431198U (en) * | 2017-01-22 | 2017-08-22 | 南方电网科学研究院有限责任公司 | A kind of lightning monitoring prior-warning device |
| CN207215950U (en) * | 2017-06-09 | 2018-04-10 | 贵州电网有限责任公司电力科学研究院 | A kind of ultra-high-tension power transmission line thunder and lightning tuning on-line device based on fiber optic communication |
| CN209559964U (en) * | 2018-08-17 | 2019-10-29 | 广东电网有限责任公司江门供电局 | A kind of distribution line lightning induced voltage monitoring device |
-
2018
- 2018-08-17 CN CN201810938186.3A patent/CN108957109A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604978A (en) * | 2013-11-30 | 2014-02-26 | 国家电网公司 | On-line monitor device of lightning current of overhead transmission line based on PCI collection card |
| CN106033096A (en) * | 2015-03-16 | 2016-10-19 | 武汉三相电力科技有限公司 | On-line monitoring system and method for transformer station lightning invasion wave |
| CN106597224A (en) * | 2016-12-20 | 2017-04-26 | 国家电网公司 | Extra-high-voltage overhead line lightning current leakage acquisition and positioning analysis system |
| CN206431198U (en) * | 2017-01-22 | 2017-08-22 | 南方电网科学研究院有限责任公司 | A kind of lightning monitoring prior-warning device |
| CN207215950U (en) * | 2017-06-09 | 2018-04-10 | 贵州电网有限责任公司电力科学研究院 | A kind of ultra-high-tension power transmission line thunder and lightning tuning on-line device based on fiber optic communication |
| CN209559964U (en) * | 2018-08-17 | 2019-10-29 | 广东电网有限责任公司江门供电局 | A kind of distribution line lightning induced voltage monitoring device |
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