CN105355342A - Line lightning arrester - Google Patents
Line lightning arrester Download PDFInfo
- Publication number
- CN105355342A CN105355342A CN201510908711.3A CN201510908711A CN105355342A CN 105355342 A CN105355342 A CN 105355342A CN 201510908711 A CN201510908711 A CN 201510908711A CN 105355342 A CN105355342 A CN 105355342A
- Authority
- CN
- China
- Prior art keywords
- lightning arrester
- electrode
- arrester body
- insulator string
- left lightning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
- H01B17/46—Means for providing an external arc-discharge path
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
- H01B17/48—Means for obtaining improved distribution of voltage; Protection against arc discharges over chains or other serially-arranged insulators
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a line lightning arrester, including an insulator string and a left lightning arrester element and a right lightning arrester element which have the same structure. The left lightning arrester element and the right lightning arrester element are symmetrically arranged at an upper side of the insulator string relative to a perpendicular bisector of the insulator string; the left lightning arrester element and the right lightning arrester element are connected with left and right ends of the insulator string respectively; the left lightning arrester element includes a left lightning arrester body, a first electrode connected with the upper part of the left lightning arrester body and a second electrode connected with the lower part of the left lightning arrester body; the first electrode and the second electrode are arranged at the same side of the left lightning arrester body and extend towards a perpendicular bisector direction of the left lightning arrester body; and one end of the left lightning arrester body, which is away from the insulator string, is provided with a third electrode extending towards the direction of the right lightning arrester body. The line lightning arrester provided by the invention is used for protecting an alternating current power transmission line insulator string, and reducing the lightning flashover rate, the protection performance is good, gap discharging dispersity is good, an installation method is flexible, and thus the line lightning arrestor can be conveniently installed on a power transmission line tower.
Description
Technical field
The present invention relates to lightning arrester field, be specifically related to a kind of electric transmission line lightning arrester.
Background technology
In transmission line, lightning arrester, as important overvoltage protection, is arranged on transmission tower in parallel with insulator string, for limiting the lightning overvoltage of transmission line, reduces lightning flashover rate; Due to transmission line by thunder area ratio transformer station much bigger, so the probability be struck by lightning is much larger than transformer station; Along with the continuous expansion of electrical network, the tripping operation that transmission line causes, power outage are increasing; Due to the overvoltage feature of transmission line of alternation current and the particularity of transmission line zinc oxide surge arresters and non-maintaining requirement; Existing lightning arrester cannot realize on overhead line structures with insulator string integrative installation technology.
Summary of the invention
The invention provides a kind of leakage conductor.
The technical solution used in the present invention is: a kind of leakage conductor, comprises insulator string and the identical left unit of an arrester of structure and right unit of an arrester; Described left unit of an arrester and right unit of an arrester are symmetricly set in the upside of insulator string relative to the perpendicular bisector of insulator string; Left unit of an arrester and right unit of an arrester are connected with two ends, insulator string left and right respectively; The second electrode that left unit of an arrester comprises left lightning arrester body, the first electrode be connected with left lightning arrester body top and is connected with left lightning arrester body bottom; First electrode and the second electrode are arranged at the homonymy of left lightning arrester body, and lightning arrester body perpendicular bisector direction extends all left; Left lightning arrester body is also provided with the third electrode of lightning arrester body direction extension to the right away from insulator string one end.
Further, described first electrode is identical with the second electrode structure, the first electrode comprise perpendicular to left lightning arrester body vertical section and left lightning arrester body direction extend horizontal segment.
Further, the angle α scope between the vertical section of described first electrode and horizontal segment is: 90 °≤α < 180 °.
Further, described third electrode is parallel to insulator string direction.
Further, described third electrode comprises the parallel-segment that is parallel to left lightning arrester body and is parallel to insulator string straightway.
Further, described left lightning arrester body and right lightning arrester body all tilt to insulator string perpendicular bisector direction.
Further, described left lightning arrester body is the nonlinear resistance that zinc oxide resistance sheet is formed; The full skirt of described silica gel outer comprises the identical full skirt of the radius full skirt different with radius; The identical full skirt different with radius of radius is intervally arranged.
Further, the full skirt that full skirt radius is identical or radius is different of described silica gel outer is intervally arranged.
Further, described insulator string left end is connected with the first connection gold utensil, and right-hand member is connected with the second connection gold utensil; Left lightning arrester body is connected gold utensil by the first connection framework with first and connects; Right lightning arrester body is connected gold utensil by the second connection framework with second and connects.
Further, described first connects framework and is connected gold utensil by bolt and first and is fixedly connected with; Second connection framework is connected gold utensil by bolt and second and is fixedly connected with.
The invention has the beneficial effects as follows:
(1) the first electrode on the left lightning arrester of the present invention and the second electrode form portable protective gaps in parallel with the air gap between it, protect left lightning arrester body; The 4th electrode on right lightning arrester and the 5th electrode form portable protective gaps in parallel with the air gap between it, protect right lightning arrester body;
(2) third electrode on the left lightning arrester body of the present invention and the 6th electrode on right lightning arrester body and the air gap between two electrodes form series gap, protection insulator string;
(3) the integrated lightning arrester of the present invention, mounting means is flexible, is convenient to be arranged on the power transmission line body of rod.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1-1 is third electrode, 1-2 is the 6th electrode, and 2-1 is the first electrode, 2-2 is the second electrode, 2-3 is the 4th electrode, and 2-4 is the 5th electrode, and 3-1 is left lightning arrester body, 3-2 is right lightning arrester body, 4-1 is the first connection framework, and 4-2 is the second connection framework, and 5-1 is the first connection gold utensil, 5-2 is the second connection gold utensil, and 6 is insulator string.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of leakage conductor, comprises insulator string 6 and the identical left unit of an arrester of structure and right unit of an arrester; Left unit of an arrester and right unit of an arrester are symmetricly set in the upside of insulator string 6 relative to the perpendicular bisector of insulator string 6; Left unit of an arrester and right unit of an arrester are connected with insulator string about 6 two ends respectively; The second electrode 2-2 that left unit of an arrester comprises left lightning arrester body 3-1, the first electrode 2-1 be connected with left lightning arrester body 3-1 top and is connected with left lightning arrester body 3-1 bottom; First electrode 2-1 and the second electrode 2-2 is arranged at the homonymy of left lightning arrester body 3-1, and lightning arrester body 3-1 perpendicular bisector direction extends all left; Left lightning arrester body 3-1 is also provided with the third electrode 1-1 of lightning arrester body 3-2 direction extension to the right away from insulator string 6 one end; Left unit of an arrester, right unit of an arrester and insulator string 6 form one-piece type lightning arrester; First electrode 2-1 and the second electrode 2-2 and between air gap form portable protective gaps in parallel, left lightning arrester body 3-1 can be protected not to be damaged when being subject to being struck by lightning; 4th electrode 2-3 and the 5th electrode 2-4 and between air gap form portable protective gaps in parallel, right lightning arrester body 3-2 can be protected not to be damaged when being subject to being struck by lightning; Third electrode 1-1 and the 6th electrode 1-2 and between air gap formed series gap, insulator string 6 can be protected not to be damaged when being subject to being struck by lightning.
Further, described first electrode 2-1 is identical with the second electrode 2-2 structure, the first electrode 2-1 comprise perpendicular to left lightning arrester body 3-1 vertical section and left lightning arrester body 3-1 direction extend horizontal segment; This structural design makes the distance between the first electrode 2-1 and the second electrode 2-2 suitable, and the air gap lightning protection effect of formation is better.
Further, the angle α scope between the vertical section of described first electrode 2-1 and horizontal segment is: 90 °≤α < 180 °.
Further, described third electrode 1-1 is parallel to insulator string 6 direction; This structural design makes the distance between third electrode 1-1 and the 6th electrode 1-2 suitable, and the air gap lightning protection effect of formation is good.
Further, described third electrode 1-1 comprises the parallel-segment that is parallel to left lightning arrester body 3-1 and is parallel to insulator string 6 straightway.
Further, described left lightning arrester body 3-1 and right lightning arrester body 3-2 all tilts to insulator string 6 perpendicular bisector direction.
Further, described left lightning arrester body 3-1 is the nonlinear resistance that zinc oxide resistance sheet is formed; Described left lightning arrester body 3-1 outer setting has outer surface to be the silica gel outer of full skirt shape; Umbrella shape zinc oxide resistance sheet on left lightning arrester body 3-1 can make left lightning arrester body 3-1 form non-linear resistor, and it is insulator under normal circumstances; When being struck by lightning, conducting becomes conductor; The silica gel outer of its outer setting has sealing function, and originally he is not contaminated and damage for the lightning arrester of protection inside; Its outer surface is full skirt shape simultaneously, can increase creepage distance, avoid, under heavy pollution condition, creeping discharge occurs.
Further, the full skirt of described silica gel outer comprises the identical full skirt of the radius full skirt different with radius; The identical full skirt different with radius of radius is intervally arranged.
Further, described insulator string 6 left end is connected with the first connection gold utensil 5-1, and right-hand member is connected with the second connection gold utensil 5-2; Left lightning arrester body 3-1 is connected gold utensil 5-1 by the first connection framework 4-1 with first and connects; Right lightning arrester body 3-2 is connected gold utensil 5-2 by the second connection framework 4-2 with second and connects; Insulator string 6 left end is connected gold utensil 5-1 by bolt with first and connects, between can rotate within the scope of certain angle; Insulator string 6 right-hand member is connected gold utensil 5-2 by bolt with second and connects, between can rotate within the scope of certain angle; This structure installment mode is flexible, is convenient to be arranged on electric power line pole tower.
Further, described first connects framework 4-1 and is connected gold utensil 5-1 by bolt with first and is fixedly connected with; Second connection framework 4-2 is connected gold utensil 5-2 by bolt with second and is fixedly connected with; First connects framework 4-1 is connected between gold utensil 5-1 with first and can rotates within the scope of certain angle; Second connects framework 4-2 is connected between gold utensil 5-2 with second and can rotates within the scope of certain angle; This structural design so that regulate the relative position between left lightning arrester body 3-1 and right lightning arrester body 3-2, can regulate in case of variable weather conditions.
The present invention is for the protection of Line Insulation Strings, and reduce lightning flashover rate, and its protective value is good, the dispersiveness of the electric discharge in gap is little, and mounting means is flexible, is convenient to be arranged on electric power line pole tower.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a leakage conductor, is characterized in that: comprise insulator string (6) and the identical left unit of an arrester of structure and right unit of an arrester; Described left unit of an arrester and right unit of an arrester are symmetricly set in the upside of insulator string (6) relative to the perpendicular bisector of insulator string (6); Left unit of an arrester and right unit of an arrester are connected with insulator string (6) two ends, left and right respectively; The second electrode (2-2) that left unit of an arrester comprises left lightning arrester body (3-1), the first electrode (2-1) be connected with left lightning arrester body (3-1) top and is connected with left lightning arrester body (3-1) bottom; First electrode (2-1) and the second electrode (2-2) are arranged at the homonymy of left lightning arrester body (3-1), and lightning arrester body (3-1) perpendicular bisector direction extends all left; Left lightning arrester body (3-1) is also provided with the third electrode (1-1) of lightning arrester body (3-2) direction extension to the right away from insulator string (6) one end.
2. a kind of circuit according to claim 1 is taken shelter from the thunder, it is characterized in that: described first electrode (2-1) is identical with the second electrode (2-2) structure, the first electrode (2-1) comprise perpendicular to left lightning arrester body (3-1) vertical section and left lightning arrester body (3-1) direction extend horizontal segment.
3. a kind of leakage conductor according to claim 2, is characterized in that: the angle α scope between the vertical section of described first electrode (2-1) and horizontal segment is: 90 °≤α < 180 °.
4. a kind of leakage conductor according to claim 1, is characterized in that: described third electrode (1-1) is parallel to insulator string (6) direction.
5. a kind of leakage conductor according to claim 1, is characterized in that: described third electrode (1-1) comprises the parallel-segment that is parallel to left lightning arrester body (3-1) and is parallel to insulator string (6) straightway.
6. a kind of leakage conductor according to claim 1, is characterized in that: described left lightning arrester body (3-1) and right lightning arrester body (3-2) all tilt to insulator string (6) perpendicular bisector direction.
7. a kind of leakage conductor according to claim 1, is characterized in that: the nonlinear resistance that described left lightning arrester body (3-1) is formed for zinc oxide resistance sheet; Described left lightning arrester body (3-1) outer setting has outer surface to be the silica gel outer of full skirt shape.
8. a kind of leakage conductor according to claim 7, is characterized in that: the full skirt of described silica gel outer comprises the identical full skirt of the radius full skirt different with radius; The identical full skirt different with radius of radius is intervally arranged.
9. a kind of leakage conductor according to claim 1, is characterized in that: described insulator string (6) left end is connected with the first connection gold utensil (5-1), and right-hand member is connected with the second connection gold utensil (5-2); Left lightning arrester body (3-1) is connected gold utensil (5-1) by the first connection framework (4-1) with first and connects; Right lightning arrester body (3-2) is connected gold utensil (5-2) by the second connection framework (4-2) with second and connects.
10. a kind of leakage conductor according to claim 9, is characterized in that: described first connection framework (4-1) is connected gold utensil (5-1) by bolt with first and is fixedly connected with; Second connection framework (4-2) is connected gold utensil (5-2) by bolt with second and is fixedly connected with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908711.3A CN105355342A (en) | 2015-12-10 | 2015-12-10 | Line lightning arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908711.3A CN105355342A (en) | 2015-12-10 | 2015-12-10 | Line lightning arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105355342A true CN105355342A (en) | 2016-02-24 |
Family
ID=55331294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908711.3A Pending CN105355342A (en) | 2015-12-10 | 2015-12-10 | Line lightning arrester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105355342A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451080A (en) * | 2016-12-27 | 2017-02-22 | 国网江苏省电力公司经济技术研究院 | Lightning arrester |
| CN108269660A (en) * | 2018-03-16 | 2018-07-10 | 中铁第勘察设计院集团有限公司 | Symmetrical dual-pin type intelligent monitoring Wrist composite insulator |
| CN108400524A (en) * | 2018-05-10 | 2018-08-14 | 特瑞格（天津）科技有限公司 | A kind of plural serial stage multi-chamber lightning protection device for 220kV high voltage transmission lines |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0254813A (en) * | 1988-08-18 | 1990-02-23 | Ngk Insulators Ltd | Lightning protection insulator device |
| JP2004158225A (en) * | 2002-11-05 | 2004-06-03 | Ngk Insulators Ltd | Lightning insulator device |
| CN101645580A (en) * | 2009-08-25 | 2010-02-10 | 山东迅实电气有限公司 | Lightning prevention device for electric railway traction power supply system |
| GB201404477D0 (en) * | 2013-03-21 | 2014-04-30 | Ngk Insulators Ltd | Lightning arrester mounting structure in tension insulator assembly |
| CN204178826U (en) * | 2014-02-19 | 2015-02-25 | 海南电网公司三亚供电局 | A kind of bidirectional multifunctional lightning protection pillar insulator |
-
2015
- 2015-12-10 CN CN201510908711.3A patent/CN105355342A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0254813A (en) * | 1988-08-18 | 1990-02-23 | Ngk Insulators Ltd | Lightning protection insulator device |
| JP2004158225A (en) * | 2002-11-05 | 2004-06-03 | Ngk Insulators Ltd | Lightning insulator device |
| CN101645580A (en) * | 2009-08-25 | 2010-02-10 | 山东迅实电气有限公司 | Lightning prevention device for electric railway traction power supply system |
| GB201404477D0 (en) * | 2013-03-21 | 2014-04-30 | Ngk Insulators Ltd | Lightning arrester mounting structure in tension insulator assembly |
| CN204178826U (en) * | 2014-02-19 | 2015-02-25 | 海南电网公司三亚供电局 | A kind of bidirectional multifunctional lightning protection pillar insulator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451080A (en) * | 2016-12-27 | 2017-02-22 | 国网江苏省电力公司经济技术研究院 | Lightning arrester |
| CN106451080B (en) * | 2016-12-27 | 2017-11-03 | 国网江苏省电力公司经济技术研究院 | A kind of arrester |
| CN108269660A (en) * | 2018-03-16 | 2018-07-10 | 中铁第勘察设计院集团有限公司 | Symmetrical dual-pin type intelligent monitoring Wrist composite insulator |
| CN108400524A (en) * | 2018-05-10 | 2018-08-14 | 特瑞格（天津）科技有限公司 | A kind of plural serial stage multi-chamber lightning protection device for 220kV high voltage transmission lines |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20160224 |