CN203705516U - PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines - Google Patents
PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines Download PDFInfo
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- CN203705516U CN203705516U CN201320769616.6U CN201320769616U CN203705516U CN 203705516 U CN203705516 U CN 203705516U CN 201320769616 U CN201320769616 U CN 201320769616U CN 203705516 U CN203705516 U CN 203705516U
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- lightning
- acquisition card
- capture card
- coil
- monitoring device
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 20
- 238000012806 monitoring device Methods 0.000 title abstract description 9
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 208000025274 Lightning injury Diseases 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 abstract 1
- 238000011156 evaluation Methods 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 3
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 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 2
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Abstract
A PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines is composed of Rogowski coils, a trigger circuit, a high-speed PCI acquisition card, an industrial control computer, GPRS modules, an energy taking coil, a charging controller, a storage battery and a voltage converter. The monitoring device is installed at a cross arm of a tower, and non-contact on-line monitoring is carried out for three-phase insulator strings of the transmission line tower and lightning conductors and lightning rods at the top of the tower; when lightning stroke happens near monitoring points, induced voltages are output by the Rogowski coils, various paths of lightning current signals are acquired by the device, data are sent to a terminal computer through the wireless communication GPRS modules for state evaluation, and lightning stroke fault locations can be accurately positioned; and due to the fact that the high-speed PCI acquisition card is used, sensitivity is high, and lightning signals can be accurately captured.
Description
Technical field
The utility model relates to the lightning current measuring device of a kind of transmission line of electricity and lightning conducter.
Background technology
The lightning strike accident of transmission line of electricity brings massive losses to electrical network every year, in 10kV-35kV equipment breakdown, lightning stroke trip number of times ratio accounts for first of equipment for power transmission and distribution tripping operation total degree, cause the unplanned stoppage in transit number of times of equipment for power transmission and distribution ratio to account for second, had a strong impact on safety and the reliability service of electrical network.Due to the uncertainty in thunder-strike current amplitude and orientation, the protection effect difference of same lightning-protection system to different thunderbolts, lightning failure point is difficult to search.Lightning stream testing apparatus in the past, as Chinese patent CN201087843Y " a kind of lightning stream testing apparatus ", can not locate time and amplitude that thunderbolt occurs, more can not measure lightning current waveform; Chinese patent CN101937015A " a kind of overhead transmission line lightning current and lightning voltage waveform parameter on-Line Monitor Device " need to install a set ofly on every wire, and cost is high, and the employing of its technology path and components and parts is different from the utility model.
Summary of the invention
The purpose of this utility model is just to provide a kind of overhead transmission line lightning current on-Line Monitor Device based on PCI capture card that can accurately locate lightning failure point, make operations staff just can accurately understand in control center the situation that overhead transmission line shaft tower is struck by lightning, thereby search pointedly the rear fault shaft tower of circuit thunderbolt, improve safe operation of power system level.
Technical solution of the present utility model is: a kind of overhead transmission line lightning current on-Line Monitor Device based on PCI capture card, by Luo-coil, trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, get energy coil, charge controller, accumulator, voltage changer composition, it is characterized in that: Luo-coil passes through trigger circuit, high-speed PCI capture card is connected with industrial computer, industrial computer is connected with GPRS module, get and can pass through charge controller by coil, accumulator is connected with voltage changer, voltage changer and trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, low speed capture card is connected, temperature sensor, humidity sensor is connected with industrial computer by low speed capture card.
At cross arm of tower, place installs this monitoring device, and this device comprises multiple sensors, and the three-phase insulator strings to power transmission line shaft tower and shaft tower tower top lightning conducter, lightning rod carry out contactless on-line monitoring respectively, and sensor adopts rigidity Luo-coil.When temperature and the humidity of monitoring point environment reach certain state, thunder and lightning Acquisition Circuit starts to enter armed state.If be struck by lightning near monitoring point, due to electromagnetic induction, Luo-coil output induced voltage, device starts Dui Ge road lightning current signals and gathers.Finally send data to terminal computer by wireless communication GPRS module and carry out state estimation.
The beneficial effects of the utility model are:
(1) situation can be struck by lightning to the electric power line pole tower of monitoring device is housed in control center time is monitored, and accurately locates lightning failure point;
(2) use of high-speed PCI capture card, highly sensitive, can accurately catch thunder and lightning signal;
(3) owing to having adopted temperature, humidity sensor, thunder and lightning Acquisition Circuit can accurately enter armed state;
(4) get can coil employing, can greatly improve power, reduce maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the overhead transmission line lightning current on-Line Monitor Device of the present embodiment based on PCI capture card.
Fig. 2 is this monitoring device and measuring coil (Luo-coil), get can coil scheme of installation.
Embodiment
Fig. 1 is the structural representation of the overhead transmission line lightning current on-Line Monitor Device of the present embodiment based on PCI capture card, Fig. 2 is this monitoring device and measuring coil (Luo-coil), get the scheme of installation of energy coil, overhead transmission line lightning current on-Line Monitor Device based on PCI capture card, by Luo-coil, trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, get energy coil, charge controller, accumulator, voltage changer composition, Luo-coil (is measuring coil A, B, C, D) pass through trigger circuit, high-speed PCI capture card is connected with industrial computer, industrial computer is connected with GPRS module, get and can pass through charge controller by coil, accumulator is connected with voltage changer, voltage changer and trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, low speed capture card is connected, temperature sensor, humidity sensor is connected with industrial computer by low speed capture card.At electric power line pole tower cross-arm, place installs this monitoring device, each Luo-coil of being connected with this device (be measuring coil A, B, C, D ...) be arranged on respectively in the three-phase insulator strings and shaft tower tower top lightning rod or lightning conducter of power transmission line shaft tower.When temperature and the humidity of monitoring point environment reach certain state, thunder and lightning Acquisition Circuit starts to enter armed state.If be struck by lightning near monitoring point, due to electromagnetic induction, Luo-coil output induced voltage, device Dui Ge road lightning current signals gathers, and each road lightning current signals is by high-speed PCI capture card, and simulating signal becomes digital signal, enters industrial computer through pci bus.Finally send data to terminal computer by wireless communication GPRS module and GPRS antenna, by the aggregation of data analysis of terminal computer, determine whether to be struck by lightning, instruct transmission line of electricity operation maintenance work.The power acquisition of monitoring device is with getting energy coil and Combined storage battery, and being enclosed within getting on power transmission line can carry out charging energy-storing by charge controller to accumulator by coil, is being connected with each module by voltage changer.
Claims (1)
1. the overhead transmission line lightning current on-Line Monitor Device based on PCI capture card, by Luo-coil, trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, get energy coil, charge controller, accumulator, voltage changer composition, it is characterized in that: Luo-coil passes through trigger circuit, high-speed PCI capture card is connected with industrial computer, industrial computer is connected with GPRS module, get and can pass through charge controller by coil, accumulator is connected with voltage changer, voltage changer and trigger circuit, high-speed PCI capture card, industrial computer, GPRS module, low speed capture card is connected, temperature sensor, humidity sensor is connected with industrial computer by low speed capture card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769616.6U CN203705516U (en) | 2013-11-30 | 2013-11-30 | PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320769616.6U CN203705516U (en) | 2013-11-30 | 2013-11-30 | PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203705516U true CN203705516U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320769616.6U Expired - Lifetime CN203705516U (en) | 2013-11-30 | 2013-11-30 | PCI acquisition card based lightning current on-line monitoring device for overhead transmission lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203705516U (en) |
Cited By (4)
| 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 |
| CN105137151A (en) * | 2015-08-20 | 2015-12-09 | 张涵青 | Novel intelligent distribution network electric power signal sensor |
| CN105203833A (en) * | 2015-11-09 | 2015-12-30 | 国家电网公司 | High-voltage electrical equipment high-current impulse counting device and counting method |
| CN114280349A (en) * | 2021-11-23 | 2022-04-05 | 国网浙江省电力有限公司文成县供电公司 | Lightning arrester lightning monitor |
-
2013
- 2013-11-30 CN CN201320769616.6U patent/CN203705516U/en not_active Expired - Lifetime
Cited By (5)
| 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 |
| CN105137151A (en) * | 2015-08-20 | 2015-12-09 | 张涵青 | Novel intelligent distribution network electric power signal sensor |
| CN105203833A (en) * | 2015-11-09 | 2015-12-30 | 国家电网公司 | High-voltage electrical equipment high-current impulse counting device and counting method |
| CN105203833B (en) * | 2015-11-09 | 2017-05-17 | 国家电网公司 | High-voltage electrical equipment high-current impulse counting device and counting method |
| CN114280349A (en) * | 2021-11-23 | 2022-04-05 | 国网浙江省电力有限公司文成县供电公司 | Lightning arrester lightning monitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
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| CX01 | Expiry of patent term |