CN109873411B - Self-healing intelligent circuit lightning protection device and lightning protection method thereof - Google Patents
Self-healing intelligent circuit lightning protection device and lightning protection method thereof Download PDFInfo
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- CN109873411B CN109873411B CN201910317336.3A CN201910317336A CN109873411B CN 109873411 B CN109873411 B CN 109873411B CN 201910317336 A CN201910317336 A CN 201910317336A CN 109873411 B CN109873411 B CN 109873411B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000002427 irreversible effect Effects 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 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 claims description 2
- 238000009413 insulation Methods 0.000 description 9
- 208000025274 Lightning injury Diseases 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229910052573 porcelain Inorganic materials 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention provides a self-healing intelligent circuit lightning protection device and a lightning protection method thereof, the lightning protection device comprises an insulating support and a lightning arrester main body beside the insulating support, wherein the upper end of the insulating support is fixedly connected with the upper end of the lightning arrester main body through a support, the upper end of the insulating support is a high-voltage terminal, the lower end of the insulating support is a grounding end, the lower end of the insulating support is connected with the lower end of the lightning arrester main body through a release, and a discharge gap module is connected in series between the upper end of the insulating support and a high-voltage line.
Description
Technical Field
The invention relates to a self-healing intelligent circuit lightning protection device and a lightning protection method thereof.
Background
In the power failure of distribution network faults, the power failure ratio caused by lightning stroke is the largest, so that the preparation of distribution network lightning protection measures is important for providing power supply reliability, and the common line lightning protection measure is that various types of lightning arresters are additionally arranged; however, in practical application, the lightning arrester adopted at present has more or less certain potential safety hazards. The existing line lightning arrester has the following technical defects: the high-voltage electrode is easy to be subjected to windage deflection to generate electrode deflection, so that the lightning protection effect is low or invalid, and the existing line lightning arrester cannot be replaced in an electrified mode after a fault occurs; in addition, the existing line lightning arrester cannot automatically withdraw from the power grid after the body fault is caused by lightning strike, so that the power grid is ensured not to trip. Aiming at the technical defects existing in the prior art, a self-healing intelligent line lightning protection device is provided, and the problems are solved.
Disclosure of Invention
The invention improves the problems, namely the technical problem to be solved by the invention is that the lightning protection effect is lower due to the fact that various types of lightning arresters are additionally arranged on the existing distribution network line, and the automatic operation exiting from a power grid after the body fault caused by lightning stroke cannot be realized.
The specific embodiments of the invention are: the utility model provides a lightning protection device of self-healing intelligent circuit, includes the lightning arrester that insulating support and insulating support side's arrester main part constitutes, the upper end of insulating support is through the upper end fixed connection of support and arrester main part, the upper end of insulating support is high-voltage wiring end, and the lower extreme of insulating support is the earthing terminal, insulating support lower extreme is connected through the release with arrester main part lower extreme, it has the discharge gap module to establish ties between the upper end of insulating support and the high-voltage circuit.
Further, the lower end of the discharge gap module is connected with a high-voltage terminal at the upper end of the insulating support, the upper end of the discharge gap module is connected with a wire, the discharge gap module body comprises an electrode adjusting rod, two electrode plates are fixed on the electrode adjusting rod, and indication blocks for changing colors at high temperature are fixed at the opposite ends of the two electrode plates.
Further, the surface of the indication block is coated with an irreversible temperature change ink layer.
Further, the release comprises a clasp fixedly connected with the lower end of the insulating support column and a cast copper buckling rod fixedly connected with the lower part of the lightning arrester main body and capable of being buckled on the upper part of the clasp, the clasp is connected with the grounding end of the insulating support column, and the lower part of the lightning arrester main body is connected with a separator which is connected with the clasp.
Further, the bracket and the clasp are made of stainless steel.
Further, the electrode adjusting rod is provided with a fixing groove for fixing the electrode plate, and the gap of the electrode plate is 20 mm-50 mm.
The invention also comprises a lightning protection method using the self-healing intelligent circuit lightning protection device according to claim 2, which is characterized in that the gap distance is adjusted according to the type of the on-site porcelain insulator, the self-healing intelligent circuit lightning protection device is fixed at the crosspiece on the telegraph pole, and whether the lightning arrester is damaged is judged through the color change of the electrodes at the two ends of the discharge gap, so that operation and maintenance personnel are reminded to conduct the replacement in a targeted manner, and after the lightning arrester explodes due to overlarge lightning stroke, the release accurately acts to withdraw the lightning arrester from the power grid to ensure that the circuit does not lose ground.
Compared with the prior art, the invention has the following beneficial effects: according to the structure, the discharge gap module connected with the insulating support column in series is utilized to realize automatic isolation from a power grid under the fault condition of the lightning arrester, in the embodiment, the two electrode plates are provided with irreversible temperature-changing ink layers, and whether the lightning arrester is damaged or not is judged through the color change of the electrodes at the two ends of the discharge gap, so that operation and maintenance personnel are reminded to conduct targeted replacement, in addition, the discharge gap module connected in series, the width of the discharge gap can be adjusted in a non-difference mode between 20mm and 50mm, and the insulation matching requirements of different porcelain bottles on site are met. Can change arrester body with electricity, can guarantee to change with electricity at the arrester because of too big thunderbolt causes the back of explosion, fortune dimension personnel, avoid full line power failure, improve the power supply reliability. The arrangement of the release device ensures that the release accurately acts after the lightning arrester explodes due to oversized lightning strike, the lightning arrester is withdrawn from the power grid to operate, and the circuit is ensured not to lose ground.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1, a self-healing intelligent circuit lightning protection device comprises an insulation support 10 and a lightning arrester main body 20 beside the insulation support, wherein the upper end of the insulation support 10 is fixedly connected with the upper end of the lightning arrester main body through a support 110, the upper end of the insulation support is a high-voltage wire terminal 111, the lower end of the insulation support is a grounding end 112, the lower end of the insulation support is connected with the lower end of the lightning arrester main body through a release, and a discharge gap module is connected in series between the upper end of the insulation support and a high-voltage circuit.
In this embodiment, the lower end of the discharge gap module is connected 111 with the high voltage terminal of the upper end of the insulating support 10, so as to realize the series connection of the electric gap module and the insulating support 10, the upper end of the discharge gap module is connected with a wire, the discharge gap module body comprises an electrode adjusting rod, two electrode plates 420 are fixed on the electrode adjusting rod, and the opposite ends of the two electrode plates 420 are fixed with indication blocks 430 which change color at high temperature.
In this embodiment, the electrode adjusting rod is provided with a fixing groove 410 for fixing the electrode plates, and the gap between the electrode plates can be adjusted by adjusting the fixing positions of the two electrode plates 420, so that the adjustment of the distance is 20 mm-50 mm in this embodiment.
In this embodiment, the trip device includes a clasp fixedly connected to the lower end of the insulating pillar and a cast copper clasp rod 320 fixedly connected to the lower part of the lightning arrester main body and capable of being clasped to the upper part of the clasp 310, the clasp 310 is connected to the grounding end of the insulating pillar, the lower part of the lightning arrester main body is connected to a detacher 330, and the detacher 330 is connected to the clasp 310.
The insulation support 10, the lightning arrester main body 20, the release and the release 330 form a high-voltage drop-out lightning arrester, the release of the lightning arrester utilizes power frequency short-circuit current to enable the release 330 to work, the grounding end of the release 330 is released, the accident influence is avoided, and the type of the release belongs to a thermal explosion type release.
In this embodiment, the bracket and the clasp are made of stainless steel, and the main insulating material of the insulating baffle is epoxy resin reinforced glass fiber.
In order to more intuitively embody the color change of the electrodes at the two ends of the overdischarge gap, the second embodiment judges whether the lightning arrester is damaged or not, thereby reminding operation and maintenance personnel to conduct the replacement in a targeted manner, the surface of the indication block is coated with an irreversible temperature change ink layer, and the irreversible change in color can occur when the indication block is heated after lightning stroke, so that the operation personnel can conveniently identify the indication block.
The operation is as follows: firstly, installing the porcelain insulator on the ground, adjusting the gap distance according to the type of the porcelain insulator on the spot, and fixing the whole device at the crosspiece on the telegraph pole conveniently and rapidly. Judging whether the lightning arrester is damaged or not through the color change of the electrodes at the two ends of the discharge gap, thereby reminding operation and maintenance personnel to conduct targeted replacement
Any of the above-described embodiments of the present invention disclosed herein, unless otherwise stated, if they disclose a numerical range, then the disclosed numerical range is the preferred numerical range, as will be appreciated by those of skill in the art: the preferred numerical ranges are merely those of the many possible numerical values where technical effects are more pronounced or representative. Since the numerical values are more and cannot be exhausted, only a part of the numerical values are disclosed to illustrate the technical scheme of the invention, and the numerical values listed above should not limit the protection scope of the invention.
If the invention discloses or relates to components or structures fixedly connected with each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
In addition, terms used in any of the above-described aspects of the present disclosure to express positional relationship or shape have meanings including a state or shape similar to, similar to or approaching thereto unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components, or can be manufactured by an integral forming process.
Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical scheme of the present invention and are not limiting; while the invention has been described in detail with reference to the preferred embodiments, those skilled in the art will appreciate that: modifications may be made to the specific embodiments of the present invention or equivalents may be substituted for part of the technical features thereof; without departing from the spirit of the invention, it is intended to cover the scope of the invention as claimed.
Claims (3)
1. The lightning protection method is characterized by comprising an insulating support and a lightning arrester body beside the insulating support, wherein the upper end of the insulating support is fixedly connected with the upper end of the lightning arrester body through a bracket, the upper end of the insulating support is a high-voltage wire connection, the lower end of the insulating support is a grounding end, the lower end of the insulating support is connected with the lower end of the lightning arrester body through a release, and a discharge gap module is connected in series between the upper end of the insulating support and the high-voltage wire;
the lower end of the discharge gap module is connected with a high-voltage terminal at the upper end of the insulating support column, the upper end of the discharge gap module is connected with a wire, the discharge gap module body comprises an electrode adjusting rod, two electrode plates are fixed on the electrode adjusting rod, and indication blocks with color change at high temperature are fixed at the opposite ends of the two electrode plates;
The surface of the indication block is coated with an irreversible temperature change ink layer;
The release comprises a clasp fixedly connected with the lower end of the insulating support column and a cast copper buckle rod fixedly connected with the lower part of the lightning arrester main body and capable of being buckled on the upper part of the clasp, the clasp is connected with the grounding end of the insulating support column, the lower part of the lightning arrester main body is connected with a separator, and the separator is connected with the clasp;
According to the gap distance is adjusted to on-the-spot vase model, the crosspiece department on the wire pole is fixed to self-healing intelligent circuit lightning protection device, through the change of discharge gap both ends electrode colour, judges whether the arrester damages to remind fortune dimension personnel to pertinently develop the change, the arrester is because of the too big thunderbolt causes the back, and the release is accurate to be moved, withdraws from the electric wire netting operation with the arrester, guarantees that the circuit does not take place to lose the ground.
2. The lightning protection method using the self-healing intelligent circuit lightning protection device according to claim 1, wherein the bracket and the clasp are made of stainless steel.
3. The lightning protection method using the self-healing intelligent circuit lightning protection device according to claim 1, wherein the electrode adjusting rod is provided with a fixing groove for fixing the electrode plate, and the gap of the electrode plate is 20 mm-50 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317336.3A CN109873411B (en) | 2019-04-19 | 2019-04-19 | Self-healing intelligent circuit lightning protection device and lightning protection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910317336.3A CN109873411B (en) | 2019-04-19 | 2019-04-19 | Self-healing intelligent circuit lightning protection device and lightning protection method thereof |
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| Publication Number | Publication Date |
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| CN109873411A CN109873411A (en) | 2019-06-11 |
| CN109873411B true CN109873411B (en) | 2024-05-17 |
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| CN201910317336.3A Active CN109873411B (en) | 2019-04-19 | 2019-04-19 | Self-healing intelligent circuit lightning protection device and lightning protection method thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113205980A (en) * | 2021-05-28 | 2021-08-03 | 上海电瓷厂有限公司 | Monitor-release integrated device |
| CN114709786B (en) * | 2022-04-14 | 2024-06-11 | 广东电网有限责任公司 | Supporting device of lightning arrester |
| CN114974766B (en) * | 2022-05-31 | 2024-01-23 | 国网福建省电力有限公司电力科学研究院 | Gapless lightning arrester capable of sensing faults and working method thereof |
| CN115693405A (en) * | 2022-11-14 | 2023-02-03 | 云南电网有限责任公司西双版纳供电局 | Interval detachable arrester |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473790Y (en) * | 2001-03-26 | 2002-01-23 | 张立平 | Fall-down type lightning arrester |
| CN201498291U (en) * | 2009-07-23 | 2010-06-02 | 江苏新民电力设备有限公司 | Detachable lightning arrester |
| CN203481622U (en) * | 2013-09-09 | 2014-03-12 | 大连法伏安电器有限公司 | Rod-shaped outer-gap lightning arrester for 10kV system insulating overhead line linear rod |
| CN204905826U (en) * | 2015-08-25 | 2015-12-23 | 南京紫峰电力设备有限公司 | Take disconnector fixed interval overvoltage protection device |
| KR101598881B1 (en) * | 2015-11-13 | 2016-03-14 | 구주기술 주식회사 | Discharge electrode for airgap arrestor and installing method therefor |
| CN105790246A (en) * | 2016-04-19 | 2016-07-20 | 国家电网公司 | Lightning-prevention external column-type voltage limiter provided with lightning stroke discharge counting device |
| CN209571826U (en) * | 2019-04-19 | 2019-11-01 | 国网福建省电力有限公司宁德供电公司 | A kind of intelligent line thunder protection device of self-healing |
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2019
- 2019-04-19 CN CN201910317336.3A patent/CN109873411B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2473790Y (en) * | 2001-03-26 | 2002-01-23 | 张立平 | Fall-down type lightning arrester |
| CN201498291U (en) * | 2009-07-23 | 2010-06-02 | 江苏新民电力设备有限公司 | Detachable lightning arrester |
| CN203481622U (en) * | 2013-09-09 | 2014-03-12 | 大连法伏安电器有限公司 | Rod-shaped outer-gap lightning arrester for 10kV system insulating overhead line linear rod |
| CN204905826U (en) * | 2015-08-25 | 2015-12-23 | 南京紫峰电力设备有限公司 | Take disconnector fixed interval overvoltage protection device |
| KR101598881B1 (en) * | 2015-11-13 | 2016-03-14 | 구주기술 주식회사 | Discharge electrode for airgap arrestor and installing method therefor |
| CN105790246A (en) * | 2016-04-19 | 2016-07-20 | 国家电网公司 | Lightning-prevention external column-type voltage limiter provided with lightning stroke discharge counting device |
| CN209571826U (en) * | 2019-04-19 | 2019-11-01 | 国网福建省电力有限公司宁德供电公司 | A kind of intelligent line thunder protection device of self-healing |
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| CN109873411A (en) | 2019-06-11 |
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