CN113193484B - Lightning device for overhead line - Google Patents
Lightning device for overhead line Download PDFInfo
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- CN113193484B CN113193484B CN202110484333.6A CN202110484333A CN113193484B CN 113193484 B CN113193484 B CN 113193484B CN 202110484333 A CN202110484333 A CN 202110484333A CN 113193484 B CN113193484 B CN 113193484B
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- lightning
- connecting rod
- lightning protection
- electric wire
- overhead line
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/04—Devices providing for corona discharge having pointed electrodes
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Abstract
The application relates to the technical field of lightning protection, in particular to an overhead line lightning guiding device, which comprises a first electric pole, a second electric pole, a first connecting rod and a lightning protection net; a first mounting piece is arranged at the top end of the first electric pole, and a second mounting piece is arranged at the top end of the second electric pole; an electric wire is connected between the first installation part and the second installation part, and the lightning protection net is sleeved on the periphery of the electric wire in a covering mode; two ends of the first connecting rod are respectively connected with the first electric pole and the second electric pole, and the first connecting rod is positioned below the electric wire; the lightning protection net is provided with a plurality of installation blocks, the bottoms of the installation blocks are connected with the first connecting rod through second connecting rods, and lightning rods are installed at the tops of the installation blocks. The technical problem that the electric wire between the line towers easily causes thunder and lightning in the prior art is effectively solved.
Description
Technical Field
The application relates to the technical field of lightning protection, in particular to an overhead line lightning device.
Background
The lightning protection structure is installed at overhead distribution line lightning arrester installation at overhead line tower top at present, realizes the lightning protection through pre-buried lightning protection net, and this kind of mode is for the line tower lightning protection, but the electric wire between the line tower still causes the thunder and lightning easily, causes the circuit tripping operation, influences the power supply reliability, and current lightning arrester also is difficult to load and unload in addition, increases a lot of degrees of difficulty for maintainer's work.
Disclosure of Invention
In view of this, an object of the present application is to provide an overhead line lightning guiding device, which effectively solves the technical problem in the prior art that lightning is easily induced by electric wires between line towers.
In order to achieve the purpose, the application provides the following technical scheme:
an overhead line lightning guiding device comprises a first electric pole, a second electric pole, a first connecting rod and a lightning protection net; a first mounting piece is arranged at the top end of the first electric pole, and a second mounting piece is arranged at the top end of the second electric pole; an electric wire is connected between the first installation part and the second installation part, and the lightning protection net is sleeved on the periphery of the electric wire in a covering mode; two ends of the first connecting rod are respectively connected with the first electric pole and the second electric pole, and the first connecting rod is positioned below the electric wire; the lightning protection net is provided with a plurality of installation blocks, the bottoms of the installation blocks are connected with the first connecting rod through second connecting rods, and lightning rods are installed at the tops of the installation blocks.
Preferably, in the above overhead line lightning guiding device, the first mounting part and the second mounting part are both detachably connected to the lightning protection net.
Preferably, in the above overhead line lightning guiding device, each of the first mounting part and the second mounting part is provided with a threaded sleeve; the protective cover is installed to the periphery screw thread of thread bush, the both ends of electric wire run through correspondingly the protective cover with the thread bush respectively with first installed part, second installed part are connected.
Preferably, in the above-mentioned lightning device for an overhead line, anti-drop blocks are respectively arranged at two ends of the lightning protection net, and the anti-drop blocks are installed in the protective cover.
Preferably, in the above-mentioned lightning guiding device for an overhead line, the second connecting rod is connected to the first connecting rod through a sliding sleeve, and the sliding sleeve is slidably mounted on the first connecting rod.
Preferably, in the above overhead line lightning guiding device, a plurality of the mounting blocks are uniformly distributed on the lightning protection net.
Preferably, in the above lightning conductor for overhead lines, the mounting block is provided with a central hole, and the outer wall of the lightning protection net is attached to the inner wall of the central hole.
Preferably, in the above-mentioned overhead line lightning guiding device, each of the lightning rods is arranged vertically.
Preferably, in the above-described overhead line lightning guiding device, the first connecting rod is disposed in parallel with the electric wire.
Preferably, in the above lightning conductor for overhead lines, the lightning protection net is slidably sleeved on the electric wire.
Compared with the prior art, the beneficial effects of this application are:
the application provides an overhead line lightning device, cup joint the surface in the electric wire through the net cladding of will lightning-arrest, can draw the thunder and lightning away before lightning contact wire, can act as the protection network and avoid the thunder and lightning directly to descend on the electric wire, thereby reduce the probability that the electric wire causes the thunder and lightning, increase the lightning rod on each installation piece of net of lightning-arrest again, can further increase lightning-arrest effect, can reduce the probability that causes the thunder and lightning between first pole and the second pole, the dual lightning-arrest of net and lightning rod makes overhead line have good lightning-arrest effect, the technical problem that the electric wire that exists between the line tower causes the thunder and lightning easily among the prior art has been solved effectively.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an overhead line lightning guiding device according to an embodiment of the present application;
fig. 2 is a sectional view of an installed lightning protection net and a sliding sleeve of an overhead line lightning protection device according to an embodiment of the present invention;
fig. 3 is a schematic connection diagram of a threaded sleeve and a protective cover of an overhead line lightning guiding device according to an embodiment of the present application.
In the figure:
1 is first pole, 2 is the second pole, 3 is first installed part, 4 is the second installed part, 5 is the head rod, 6 is the sliding sleeve, 7 is the second connecting rod, 8 is the installation piece, 9 is lightning-arrest net, 10 is the lightning rod, 11 is the thread bush, 12 is the protective cover, 13 is the electric wire, 14 is the anticreep piece.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
The lightning protection structure is installed at overhead distribution line lightning arrester installation at overhead line tower top at present, realizes the lightning protection through pre-buried lightning protection net, and this kind of mode is for the line tower lightning protection, but the electric wire between the line tower still causes the thunder and lightning easily, causes the circuit tripping operation, influences the power supply reliability, and current lightning arrester also is difficult to load and unload in addition, increases a lot of degrees of difficulty for maintainer's work. The embodiment provides an overhead line lightning device, has solved effectively among the prior art that there is the electric wire between the line tower to cause the technical problem of thunder and lightning easily.
Referring to fig. 1 to 3, an embodiment of the present application provides an overhead line lightning guiding device, including a first electric pole 1, a second electric pole 2, a first connecting rod 5 and a lightning protection net 9; the top end of the first electric pole 1 is provided with a first mounting piece 3, and the top end of the second electric pole 2 is provided with a second mounting piece 4; an electric wire 13 is connected between the first installation part 3 and the second installation part 4, and the lightning protection net 9 is coated and sleeved on the periphery of the electric wire 13; two ends of a first connecting rod 5 are respectively connected with the first electric pole 1 and the second electric pole 2, and the first connecting rod 5 is positioned below the electric wire 13; be equipped with a plurality of installation pieces 8 on lightning-arrest net 9, the bottom of each installation piece 8 all is connected with head rod 5 through second connecting rod 7, and lightning rod 10 is all installed at the top of each installation piece 8.
More specifically, referring to fig. 1, a first pole 1 is located at the left side of a second pole 2, a first end of a first connecting rod 5 is connected to the top right side of the first pole 1, a second end of the first connecting rod 5 is connected to the top left side of the second pole 2, and the first connecting rod 5 is not in contact with a first mounting member 3 and a second mounting member 4; the length of the lightning net 9 is the same as that of the electric wire 13.
This embodiment is through cup jointing lightning-arrest net 9 cladding in the surface of electric wire 13, can lead away the thunder and lightning before lightning contact wire 13, can act as the protection network and avoid the thunder and lightning directly to descend on electric wire 13, thereby reduce the probability that electric wire 13 causes the thunder and lightning, increase lightning rod 10 on each installation piece 8 of lightning-arrest net 9 again, can further increase lightning-arrest effect, can reduce the probability that causes the thunder and lightning between first pole 1 and the second pole 2, the dual lightning-arrest of lightning-arrest net 9 and lightning rod 10 makes the electric wire have good lightning-arrest effect, the technical problem that there is electric wire 13 between the overhead line tower to cause the thunder and lightning among the prior art has been solved effectively.
Further, in the present embodiment, the first mounting member 3 and the second mounting member 4 are both detachably connected to the lightning protection net 9. The lightning protection net 9 that sets up through the detachable makes things convenient for maintenance personal to dismantle and install the lightning protection net 9 to maintain and change the lightning protection net 9, thereby guarantee that overhead line has good lightning-arrest effect always, reduce the thunderbolt occurence of failure.
Further, in the present embodiment, referring to fig. 3, the first mounting member 3 and the second mounting member 4 are both provided with a threaded sleeve 11; protective cover 12 is installed to the periphery screw thread of thread bush 11, and corresponding protective cover 12 and the thread bush 11 are run through at the both ends of electric wire 13 and are connected with first installed part 3, second installed part 4 respectively. The setting up of thread bush 11 makes things convenient for electric wire 13 to locate between first installed part 3 and the second installed part 4, and can realize lightning-arrest net 9 along length direction's tip demountable installation on first installed part 3 and second installed part 4 through threaded connection's protective cover 12 and thread bush 11, when guaranteeing that lightning-arrest net 9 can the cladding is on the surface of electric wire 13, can also guarantee that lightning-arrest net 9 installs and removes the convenience for the staff more conveniently maintains lightning-arrest net 9.
More specifically, the installation manner of the threaded sleeve 11 and the protective cover 12 on the lightning protection net 9 is the preferred installation manner in this embodiment, but other installation manners that can ensure that the lightning protection net 9 is covered on the surface of the electric wire 13 and that can ensure the detachability of the lightning protection net 9 are also sufficient, and the description of this embodiment is omitted.
Further, in the present embodiment, anti-drop blocks 14 are disposed at both ends of the lightning protection net 9, and the anti-drop blocks 14 are installed in the protection cover 12. Set up in protective cover 12 through anticreep piece 14, can utilize the squeezing action between protective cover 12 and the thread bush 11 to form the fixed effect of centre gripping to anticreep piece 14 to the realization is fixed to lightning-arrest net 9 both ends, can avoid the emergence of the condition that lightning-arrest net 9 breaks away from the electric wire 13 surface, guarantees the lightning-arrest effect of lightning-arrest net 9 to electric wire 13.
More specifically, a first end of the threaded sleeve 11 is fixedly connected with the first mounting part 3 or the second mounting part 4, and the periphery of the threaded sleeve 11 is provided with external threads; the protective cover 12 comprises a circular end plate and a surrounding plate formed by extending the periphery of the circular end plate along the direction close to the threaded sleeve 11, the inner wall of the surrounding plate is provided with an internal thread matched with the external thread, the anti-falling block 14 is circular, the anti-falling block 14 is positioned between the second end of the threaded sleeve 11 and the end plate of the protective cover 12, the anti-falling block 14 is in rotating contact with the inner wall of the surrounding plate, and the electric wire 13 sequentially penetrates through the surrounding plate, the anti-falling block 14 and the threaded sleeve 11; when the lightning protection net 9 is installed, the protecting cover 12 is rotated, so that the distance between the end plate and the threaded sleeve 11 is gradually reduced until the anti-falling block 14 is pressed and abutted between the end plate and the threaded sleeve 11, and the lightning protection net 9 is connected and fixed with the first installation part 3 or the second installation part 4.
Further, in the present embodiment, the second connecting rod 7 is connected to the first connecting rod 5 through a sliding sleeve 6, and the sliding sleeve 6 is slidably mounted on the first connecting rod 5. Because lightning protection net 9 comprises tiny wire, make lightning protection net 9 have the foldability, when installing lightning protection net 9 in electric wire 13, utilize the sliding property of sliding sleeve 6 at head rod 5, can be with sliding sleeve 6, second connecting rod 7, installation piece 8 and lightning rod 10 slide together along the length direction of head rod 5, not only can realize that folding lightning protection net 9 lays fast in the surface of electric wire 13, but also can move to required position through sliding sleeve 6 control installation piece 8 and lightning rod 10, the convenience of lightning protection net 9 installation has been improved greatly, be favorable to reducing staff's the work degree of difficulty, promote work efficiency.
Further, in the present embodiment, the plurality of mounting blocks 8 are uniformly distributed on the lightning protection net 9. The lightning rod 10 is also uniformly arranged through the uniformly arranged mounting blocks 8, so that a certain distance is kept between the two lightning rods 10, the lightning protection effect of each lightning rod 10 on the electric wire 13 is ensured, and the probability of lightning triggering between the two lightning rods 10 can be reduced.
Further, in this embodiment, referring to fig. 2, the mounting block 8 is provided with a central hole, and the outer wall of the lightning protection net 9 is attached to the inner wall of the central hole. The arrangement of the central hole ensures that the installation block 8 is fixedly connected with the lightning protection net 9, and the lightning protection net 9 in the installation block 8 can still be coated on the surface of the ground wire, so that the lightning protection device has a good lightning protection effect.
Further, in the present embodiment, each of the lightning rods 10 is vertically disposed. Each lightning rod 10 vertically arranged can not only ensure the lightning guiding effect that the lightning rod 10 faces upwards, but also ensure that each lightning rod 10 is parallel to each other and does not interfere with the respective lightning guiding effect. The lightning rod 10 may be detachably connected to the mounting block 8.
Further, in the present embodiment, the first connecting rod 5 is disposed in parallel with the electric wire 13 at a certain distance. When using, the electric current that lightning rod 10 and lightning protection net 9 guided flows to first connecting rod 5 along second connecting rod 7 on, then the electric current on first connecting rod 5 can be conducted subaerially along the earth connection of first pole 1 and second pole 2 to reach the effect that the lightning is taken place to the lightning-arrest of lightning. By spacing the first connecting rod 5 at a distance from the wire 13, it is possible to avoid that the current return affects the wire 13.
Further, in the present embodiment, the lightning protection net 9 is slidably sleeved on the electric wire 13. Through the lightning protection net 9 that slides the setting, not only conveniently with lightning protection net 9 shop in electric wire 13, but also can fold the recovery fast with lightning protection net 9 when dismantling, be favorable to improving staff's the efficiency of installing and removing.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An overhead line lightning guiding device is characterized by comprising a first electric pole, a second electric pole, a first connecting rod and a lightning protection net;
a first mounting piece is arranged at the top end of the first electric pole, and a second mounting piece is arranged at the top end of the second electric pole;
an electric wire is connected between the first installation part and the second installation part, and the lightning protection net is sleeved on the periphery of the electric wire in a covering mode;
two ends of the first connecting rod are respectively connected with the first electric pole and the second electric pole, the first connecting rod is positioned below the electric wire, and the first connecting rod and the electric wire are arranged in parallel;
the lightning protection net is provided with a plurality of mounting blocks, the mounting blocks are uniformly distributed on the lightning protection net, the bottom of each mounting block is connected with the first connecting rod through a second connecting rod, and the top of each mounting block is provided with a lightning rod;
each mounting block is provided with a central hole, and the outer wall of the lightning protection net is fixedly attached to the inner wall of the central hole.
2. The overhead line lightning conductor of claim 1, wherein the first and second mounting elements are each detachably connected to the lightning protection mesh.
3. The overhead line lightning strike according to claim 2, wherein the first mounting member and the second mounting member are each provided with a threaded sleeve;
the protective cover is installed to the periphery screw thread of thread bush, the both ends of electric wire run through correspondingly the protective cover with the thread bush respectively with first installed part, second installed part are connected.
4. The overhead line lightning guiding device of claim 3, wherein anti-dropping blocks are arranged at both ends of the lightning shielding net, and the anti-dropping blocks are installed in the protecting covers.
5. The overhead line lightning strike device according to claim 1, wherein the second connecting rod is connected to the first connecting rod by a sliding sleeve, the sliding sleeve being slidably mounted on the first connecting rod.
6. The overhead line lightning strike according to claim 1, wherein each of the lightning rods is arranged vertically.
7. The overhead line lightning conductor according to any one of claims 1 to 6, wherein the lightning protection net is slidably sleeved on the wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110484333.6A CN113193484B (en) | 2021-04-30 | 2021-04-30 | Lightning device for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110484333.6A CN113193484B (en) | 2021-04-30 | 2021-04-30 | Lightning device for overhead line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113193484A CN113193484A (en) | 2021-07-30 |
| CN113193484B true CN113193484B (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110484333.6A Active CN113193484B (en) | 2021-04-30 | 2021-04-30 | Lightning device for overhead line |
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| Country | Link |
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| CN (1) | CN113193484B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205355765U (en) * | 2016-02-15 | 2016-06-29 | 国网山东省电力公司无棣县供电公司 | 10kV distribution lines's lightning protection device |
| CN109462202B (en) * | 2018-09-30 | 2020-08-14 | 国网山东省电力公司莱州市供电公司 | Novel lightning protection device of overhead distribution line |
| CN209344514U (en) * | 2018-12-04 | 2019-09-03 | 金华八达集团有限公司科技信息分公司 | The device of steel tower tower head overvoltage when a kind of inhibition transmission line lightning stroke |
| CN211127072U (en) * | 2019-11-18 | 2020-07-28 | 贵州电网有限责任公司 | Device for preventing overhead transmission line from lightning counterattack |
| CN110932219B (en) * | 2019-11-18 | 2022-02-15 | 贵州电网有限责任公司 | Lightning protection method for overhead transmission line |
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- 2021-04-30 CN CN202110484333.6A patent/CN113193484B/en active Active
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