CN103604978A - On-line monitor device of lightning current of overhead transmission line based on PCI collection card - Google Patents
On-line monitor device of lightning current of overhead transmission line based on PCI collection card Download PDFInfo
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- CN103604978A CN103604978A CN201310622256.1A CN201310622256A CN103604978A CN 103604978 A CN103604978 A CN 103604978A CN 201310622256 A CN201310622256 A CN 201310622256A CN 103604978 A CN103604978 A CN 103604978A
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Abstract
An on-line monitor device of a lightning current of an overhead transmission line based on a PCI collection card is composed of a Rogowski coil, a trigger circuit, the high-speed PCI collection card, an industrial personal computer, a GPRS module, an energy absorption coil, a charging controller, a storage battery and a voltage changer. The monitor device is installed at a cross arm of a tower; non-contact type on-line monitoring is carried out on a three-phase insulator string on the power transmission line tower and a lightning line and a lightning arrester at the tower top; if the position near the monitored point is stricken by lightning, the Rogowski coil outputs induced voltage, the device begins to collect lightning current signals of each path, data are sent to a terminal computer through the wireless communication GPRS module, then states are evaluated, and a lightning strike fault point is located accurately. Due to the use of the high-speed PCI collection card, the sensitivity is high, and the lightning signals can be captured accurately.
Description
Technical field
The present invention 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, same lightning-protection system is different to the protection effect of different thunderbolts, and 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 present invention.
Summary of the invention
Object of the present invention 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 the situation that overhead transmission line shaft tower is struck by lightning in control center, thereby search pointedly the rear fault shaft tower of circuit thunderbolt, improve safe operation of power system level.
Technical solution of the present invention 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 forms, 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 a plurality of sensors, respectively the three-phase insulator strings of power transmission line shaft tower and shaft tower tower top lightning conducter, lightning rod is carried out to contactless on-line monitoring, and sensor adopts rigidity Luo-coil.When temperature and the humidity of monitoring point environment reaches 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 by wireless communication GPRS module, send data to terminal computer and carry out state estimation.
The invention has the beneficial effects as follows:
(1) situation when Neng control center is struck by lightning to the electric power line pole tower of monitoring device is housed 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 the employing of energy coil, 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 forms, 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 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 reaches 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 ，Ge road lightning current signals by high-speed PCI capture card, and simulating signal becomes digital signal, through pci bus, enters industrial computer.Finally by wireless communication GPRS module and GPRS antenna, send data to terminal computer, by the aggregation of data of terminal computer, analyze, 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, by voltage changer, is being connected with each module.
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 forms, 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 |
|---|---|---|---|
| CN201310622256.1A CN103604978A (en) | 2013-11-30 | 2013-11-30 | On-line monitor device of lightning current of overhead transmission line based on PCI collection card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310622256.1A CN103604978A (en) | 2013-11-30 | 2013-11-30 | On-line monitor device of lightning current of overhead transmission line based on PCI collection card |
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| CN103604978A true CN103604978A (en) | 2014-02-26 |
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| CN201310622256.1A Pending CN103604978A (en) | 2013-11-30 | 2013-11-30 | On-line monitor device of lightning current of overhead transmission line based on PCI collection card |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104501870A (en) * | 2014-12-25 | 2015-04-08 | 芜湖市晨韵自动化科技有限公司 | Cable parameter monitoring system based on LabVIEW |
| CN105137286A (en) * | 2015-09-01 | 2015-12-09 | 国网新疆电力公司经济技术研究院 | Power transmission line lightning stroke monitoring device and lightning protection level assessment method |
| CN105445531A (en) * | 2014-08-14 | 2016-03-30 | 北京南瑞智芯微电子科技有限公司 | Power taking and sampling integrated current monitoring device |
| CN105699739A (en) * | 2016-01-25 | 2016-06-22 | 长沙群瑞电子科技有限公司 | A ultra-high-voltage transmission line side peak current wireless monitoring device |
| CN106909867A (en) * | 2017-05-05 | 2017-06-30 | 成都因纳伟盛科技股份有限公司 | Hand-held ID card reader with waterproof construction |
| CN108957109A (en) * | 2018-08-17 | 2018-12-07 | 广东电网有限责任公司江门供电局 | A kind of lightning induced voltage monitoring device |
| CN109406853A (en) * | 2018-09-10 | 2019-03-01 | 昆明理工大学 | A kind of electric power line pole tower lightning stroke monitoring device and method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445531A (en) * | 2014-08-14 | 2016-03-30 | 北京南瑞智芯微电子科技有限公司 | Power taking and sampling integrated current monitoring device |
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| CN105699739A (en) * | 2016-01-25 | 2016-06-22 | 长沙群瑞电子科技有限公司 | A ultra-high-voltage transmission line side peak current wireless monitoring device |
| CN106909867A (en) * | 2017-05-05 | 2017-06-30 | 成都因纳伟盛科技股份有限公司 | Hand-held ID card reader with waterproof construction |
| CN108957109A (en) * | 2018-08-17 | 2018-12-07 | 广东电网有限责任公司江门供电局 | A kind of lightning induced voltage monitoring device |
| CN109406853A (en) * | 2018-09-10 | 2019-03-01 | 昆明理工大学 | A kind of electric power line pole tower lightning stroke monitoring device and method |
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Application publication date: 20140226 |