CN204905828U - Overhead transmission line lightning protection device - Google Patents
Overhead transmission line lightning protection device Download PDFInfo
- Publication number
- CN204905828U CN204905828U CN201520712257.XU CN201520712257U CN204905828U CN 204905828 U CN204905828 U CN 204905828U CN 201520712257 U CN201520712257 U CN 201520712257U CN 204905828 U CN204905828 U CN 204905828U
- Authority
- CN
- China
- Prior art keywords
- arrester
- insulator
- transmission line
- zinc oxide
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000012212 insulator Substances 0.000 claims abstract description 29
- 239000011787 zinc oxide Substances 0.000 claims abstract description 25
- 238000009413 insulation Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 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 1
- 230000003313 weakening effect Effects 0.000 description 1
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Abstract
The utility model discloses an overhead transmission line lightning protection device, including overhead line tower and insulator, the both sides at the overhead line tower are fixed to the insulator, the inboard of insulator is connected with zinc oxide arrester through the link, zinc oxide arrester's outside parcel has insulating cover, the internally mounted of insulating cover has the resistance valve block, zinc oxide arrester's bottom is passed through the drainage bar and is connected with the insulator, the bottom of insulator is connected with the power transmission line, the arrester is installed to the both sides on the top of overhead line tower, the matrix part branch of arrester is equipped with the insulating seal sleeve pipe, the bottom of arrester is connected with the earth connection, the both sides at the overhead line tower are fixed to the earth connection, the upper end of overhead line tower is equipped with the overhead ground wire, the utility model discloses an install arrester, zinc oxide arrester and overhead ground wire on the overhead line tower, realize all -round, the multi -level lightning protection of overhead transmission line.
Description
Technical field
The utility model belongs to lightning protection device field, is specifically related to a kind of overhead transmission line lightning protection device.
Background technology
Overhead transmission line is one of electric power supply and the important component part ensureing rear normal electricity consumption, also be one of critical facility of power industry, because overhead transmission line is generally all erected at field, when running into the bad weathers such as thunder shower, easily bear thunderbolt thus cause power outage, stable operation and the Electrical Safety of electric power system are had a strong impact on, at present, maximum lightning protection devices is used to be exactly, on the top of overhead transmission line, lightning rod is installed, if but running into the frequent region of thunder and lightning, the effect of lightning rod is not just clearly.
Utility model content
The purpose of this utility model is to provide a kind of overhead transmission line lightning protection device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides a kind of overhead transmission line lightning protection device, comprise stringing tower and insulator, described insulator is fixed on the both sides of stringing tower, the inner side of described insulator is connected with zinc oxide arrester by link, the outside of described zinc oxide arrester is enclosed with insulating case, the inside of described insulating case is provided with resistor valve sheet, the bottom of described zinc oxide arrester is connected with insulator by drainage bar, the bottom of described insulator is connected with power transmission line, the both sides on the top of described stringing tower are provided with arrester, the body portion of described arrester is provided with insulated enclosure sleeve pipe, the bottom of described arrester is connected with earth connection, described earth connection is fixed on the both sides of stringing tower, the upper end of described stringing tower is provided with lightning conducter.
Preferably, the inductance coil of high pressure resistant impact is provided with in the sealed insulation sleeve pipe of described arrester.
Preferably, the length of described zinc oxide arrester is less than the length of insulator, and is provided with gap between zinc oxide arrester and insulator.
Preferably, described lightning conducter has three, and wherein two lightning conducters are positioned at directly over power transmission line, and another root lightning conducter is positioned at the top of the line mid point of two power transmission lines, and is positioned at the height of height lower than the lightning conducter of both sides of middle lightning conducter.
Technique effect of the present utility model and advantage: this overhead transmission line lightning protection device passes through earth connection, can thunder and lightning be directed in soil, when causing arrester to lose efficacy because soil resistivity is excessive, zinc oxide arrester is connected with by link by the inner side at insulator, by zinc oxide arrester, voltage is limited again, prevent circuit from being struck off, play the effect of lightning protection, by being provided with lightning conducter in the upper end of stringing tower, prevent the double swerve two due to power transmission line from departing from protection range, with arrester and zinc oxide arrester with the use of, can be comprehensive, multi-level carries out lightning protection to overhead transmission line.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is partial structurtes schematic diagram of the present utility model.
In figure: 1, earth connection, 2, stringing tower, 3, power transmission line, 4, insulator, 5, zinc oxide arrester, 6, insulated enclosure cover, 7, arrester, 8, lightning conducter, 9, link, 10, insulating case, 11, resistor valve sheet, 12, drainage bar.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of overhead transmission line lightning protection device as shown in Figure 1-2, comprise stringing tower 2 and insulator 4, insulator 4 is fixed on the both sides of stringing tower 2, the inner side of insulator 4 is connected with zinc oxide arrester 5 by link 9, the length of zinc oxide arrester 5 is less than the length of insulator 4, and be provided with gap between zinc oxide arrester 5 and insulator 4, the outside of zinc oxide arrester 5 is enclosed with insulating case 10, the inside of insulating case 10 is provided with resistor valve sheet 11, the bottom of zinc oxide arrester 5 is connected with insulator 4 by drainage bar 12, the bottom of insulator 4 is connected with power transmission line 3, the both sides on the top of stringing tower 2 are provided with arrester 7, the body portion of arrester 7 is provided with insulated enclosure sleeve pipe 6, the inductance coil of high pressure resistant impact is provided with in sealed insulation sleeve pipe 6, the bottom of arrester 7 is connected with earth connection 1, earth connection 1 is fixed on the both sides of stringing tower 2, the upper end of stringing tower 2 is provided with lightning conducter 8, lightning conducter 8 has three, wherein two lightning conducters 8 are positioned at directly over power transmission line 3, another root lightning conducter 8 is positioned at the top of the line mid point of two power transmission lines 3, and be positioned at the height of height lower than the lightning conducter 8 of both sides of middle lightning conducter 8, the inductance coil of high pressure resistant impact is provided with in the sealed insulation sleeve pipe 6 of arrester 7, certain weakening effect can be played to thunder and lightning, then by earth connection 1, electric current is caused in soil, when arrester lost efficacy, first the electric current of thunder and lightning punctures the gap between zinc oxide arrester 5 and insulator 4, then limited by zinc oxide arrester 5 pairs of voltages, prevent circuit from being struck off, lightning conducter 8 can omnibearing protection power transmission line 3, prevent thunder and lightning from attacking power transmission line 3 directly, the thunder-strike current on stringing tower 2 can be reduced simultaneously.
Last it is noted that the foregoing is only preferred embodiment of the present utility model; be not limited to the utility model; although be described in detail the utility model with reference to previous embodiment; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. an overhead transmission line lightning protection device, comprise stringing tower (2) and insulator (4), described insulator (4) is fixed on the both sides of stringing tower (2), it is characterized in that: the inner side of described insulator (4) is connected with zinc oxide arrester (5) by link (9), the outside of described zinc oxide arrester (5) is enclosed with insulating case (10), the inside of described insulating case (10) is provided with resistor valve sheet (11), the bottom of described zinc oxide arrester (5) is connected with insulator (4) by drainage bar (12), the bottom of described insulator (4) is connected with power transmission line (3), the both sides on the top of described stringing tower (2) are provided with arrester (7), the body portion of described arrester (7) is provided with insulated enclosure sleeve pipe (6), the bottom of described arrester (7) is connected with earth connection (1), described earth connection (1) is fixed on the both sides of stringing tower (2), the upper end of described stringing tower (2) is provided with lightning conducter (8).
2. a kind of overhead transmission line lightning protection device according to claim 1, is characterized in that: the inductance coil being provided with high pressure resistant impact in the sealed insulation sleeve pipe (6) of described arrester (7).
3. a kind of overhead transmission line lightning protection device according to claim 1, is characterized in that: the length of described zinc oxide arrester (5) is less than the length of insulator (4), and is provided with gap between zinc oxide arrester (5) and insulator (4).
4. a kind of overhead transmission line lightning protection device according to claim 1, it is characterized in that: described lightning conducter (8) has three, wherein two lightning conducters (8) are positioned at directly over power transmission line (3), another root lightning conducter (8) is positioned at the top of the line mid point of two power transmission lines (3), and is positioned at the height of height lower than the lightning conducter (8) of both sides of middle lightning conducter (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712257.XU CN204905828U (en) | 2015-09-16 | 2015-09-16 | Overhead transmission line lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520712257.XU CN204905828U (en) | 2015-09-16 | 2015-09-16 | Overhead transmission line lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905828U true CN204905828U (en) | 2015-12-23 |
Family
ID=54927979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520712257.XU Expired - Fee Related CN204905828U (en) | 2015-09-16 | 2015-09-16 | Overhead transmission line lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092220A (en) * | 2017-11-14 | 2018-05-29 | 国核电力规划设计研究院有限公司 | Transmission line of electricity |
| CN108616115A (en) * | 2018-05-02 | 2018-10-02 | 国网陕西省电力公司电力科学研究院 | A kind of 110kV electric power line pole towers enter land mine current limitation method and device |
-
2015
- 2015-09-16 CN CN201520712257.XU patent/CN204905828U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108092220A (en) * | 2017-11-14 | 2018-05-29 | 国核电力规划设计研究院有限公司 | Transmission line of electricity |
| CN108616115A (en) * | 2018-05-02 | 2018-10-02 | 国网陕西省电力公司电力科学研究院 | A kind of 110kV electric power line pole towers enter land mine current limitation method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |