CN103337314A - Discharge gap device with voltage-equalizing rings - Google Patents
Discharge gap device with voltage-equalizing rings Download PDFInfo
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- CN103337314A CN103337314A CN2013102254309A CN201310225430A CN103337314A CN 103337314 A CN103337314 A CN 103337314A CN 2013102254309 A CN2013102254309 A CN 2013102254309A CN 201310225430 A CN201310225430 A CN 201310225430A CN 103337314 A CN103337314 A CN 103337314A
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- arcing horn
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Abstract
The invention relates to an insulator protection device and belongs to the field of electric protection in an electric power grid, and particularly, relates to a discharge gap device with voltage-equalizing rings. The discharge gap device can prevent flashover on the surface of an insulator. With the discharge gap device adopted, the problem of corona produced by a composite insulator under overvoltage and the problem of the burning of the insulator caused by the flashover on the surface of the insulator can be solved. High-voltage arc-striking rings and voltage-equalizing arcing horns which are in longitudinal symmetry are connected on fittings at two ends of a composite insulator, such that the discharge gap device can be formed. The discharge gap device of the invention is directly fixed on the fittings at the two ends of the composite insulator and is suitable for composite insulators; and the discharge gap device is a novel discharge gap device which is advantageous in quick installation, voltage-equalizing and anti-corona properties, stable discharge voltage, excellent arc-resistant arc-distinguishing performances and long service life.
Description
Technical field
The present invention relates to a kind of insulator protective device; belong to electrical protection field in the electric power networking; be particularly related to a kind of discharging gap device with grading ring; be a kind of discharging gap device that prevents the insulator surface flashover, not only can solve the corona that composite insulator produces under the overvoltage and can solve the composite insulator dielectric surface flashover and the problem of the insulator of burning.
Background technology
In order to improve the safety of transmission line, the flashover that takes place along insulating surface when reducing overvoltage, and flashover causes burning of insulator surface to cause decreasing insulating, the insulator two ends of being everlasting arrange grading ring or arc leading angle, the cost of arc leading angle low but discharge voltage instability and arc extinguishing ability, discharge to be electric arc burn the easily insulator if uniform ring week footpath is little, if week the footpath greatly then the cost height, and week can reduce alternate dry arcing distance when the footpath is excessive.
Summary of the invention
The present invention overcomes the problem that prior art exists, provide a kind of be suitable for composite insulator quick for installation, cost is low, it is anticorona all to press, discharge voltage stable, are-tight arc extinction performance is good, the discharging gap device of the band grading ring of long service life.
For solving the technical problem of above-mentioned existence, the present invention is achieved in that
A kind of discharging gap device with grading ring is by drawing together the high-voltage arc strike ring and all pressing arcing horn symmetrical being connected on the two ends gold utensil of composite insulator up and down.
Described high-voltage arc strike ring is arranged with two, links to each other by first securing member.
The described arcing horn of all pressing is arranged with two, is connected by second securing member.
Described high-voltage arc strike ring profile is the ellipse of opening, an opening part end wherein is installing handle, high-voltage arc strike ring and another high-voltage arc strike ring horizontal symmetrical are installed in the insulator high-pressure side under the effect of first securing member, the arc end of the other end of high-voltage arc strike ring for slightly being bent upwards.
The central authorities of the installing handle on the described high-voltage arc strike ring are recessed relatively laterally arc first mounting groove, the both sides of first mounting groove are provided with first installing hole that passes for first securing member, by first securing member high-voltage arc strike ring are installed on the two ends gold utensil of composite insulator.
Fixing hole on the described equal pressure side of all pressing arcing horn and the fixing hole on another equal pressure side of all pressing arcing horn are installed in composite insulator by the second securing member horizontal symmetrical low-pressure end; Recruit the arc end crooked under the side, constitute a discharging gap with the arc end of described high-voltage arc strike ring.
The described two ends of the equal pressure side of arcing horn of all pressing are respectively equipped with reinforcement; All press arcing horn to be provided with second installing hole that passes for second securing member; All also be provided with recessed laterally arc second mounting groove on the pressure side, under the effect of second securing member, all press arcing horn and another all to press the arcing horn horizontal symmetrical to be installed on the two ends gold utensil of composite insulator.
Described all to press the trick arc end of arcing horn be a ball, recruits the arc end crooked under the side, constitutes a discharging gap with the arc end of described high-voltage arc strike ring.
Described reinforcement is provided with more than at least one.
Advantage of the present invention and beneficial effect are:
(1) high-voltage arc strike ring of the present invention has adopted the elliptical openings design, and has used two arcing ring horizontal symmetrical to install, and makes arcing voltage more stable, has both made electric arc principle insulator, has kept alternate dry arcing distance again.
(2) the present invention has adopted two pairs of identical arcing horn and arcing ring horizontal symmetrical of all pressing to install, thereby and press all that arcing horn is terminal to use the ball discharge to make that more stable, the are-tight arc extinction performance of discharge voltage is better, the novel electric discharge device of longer service life;
(3) all pressing arcing horn among the present invention is the function that grading ring and arcing horn unite two into one, and existing grading ring all presses anticorona advantage to have arcing horn to recruit the performance of arc arc extinguishing again;
(4) high-voltage arc strike ring of the present invention and all press bearing between arcing horn and the insulator to adopt mounting groove and installing hole design simultaneously can be directly installed on the two ends gold utensil of composite insulator.
The present invention directly is fixed on the two ends gold utensil of composite insulator, be a kind of be suitable for composite insulator quick for installation, all press that anticorona, discharge voltage is stable, are-tight arc extinction performance is good, the novel discharging gap device of long service life.
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Description of drawings
Fig. 1 is that the present invention is installed in the structural representation on the compound suspension insulator string;
Fig. 2 is the outward appearance front view of Fig. 1;
Fig. 3 is the outward appearance end view of Fig. 1;
Fig. 4 is the outward appearance vertical view of Fig. 1;
Fig. 5 is the structural representation of all pressing arcing horn among the present invention;
Fig. 6 is the structural representation of mesohigh arcing ring of the present invention.
Among the figure: high-voltage arc strike ring 1, all press arcing horn 2, the first securing members 5, the second securing members 6, reinforcement 8, installing handle 11, the first mounting grooves 12, the first installing holes 13, arc end 14, all pressure side 21 is recruited arc end 22, the second mounting grooves 31, fixing hole 32.
Embodiment
The present invention is a kind of discharging gap device with grading ring, and as Fig. 1-shown in Figure 4, the present invention is mainly by high-voltage arc strike ring 1, all press arcing horn 2, first securing member 5 and second securing member 6 to form.Specifically be all to press arcing horn about in the of 2 on the symmetrical two ends gold utensil that is connected composite insulator by what the high-voltage arc strike rings 1 that two symmetries connect were connected with two symmetries.
As shown in Figure 6, Fig. 6 is the structural representation of mesohigh arcing ring of the present invention.Described high-voltage arc strike ring 1 profile is the ellipse of opening, an opening part end wherein is installing handle 11, high-voltage arc strike ring 1 is installed in the insulator high-pressure side with another high-voltage arc strike ring 1 horizontal symmetrical under the effect of first securing member 5, the arc end 14 of the other end of high-voltage arc strike ring 1 for slightly being bent upwards.
The central authorities of the installing handle 11 on the described high-voltage arc strike ring 1 are recessed relatively laterally arc first mounting groove 12, the both sides of first mounting groove 12 are provided with first installing hole 13 that passes for first securing member 5, by first securing member 5 high-voltage arc strike ring 1 are installed on the two ends gold utensil of composite insulator.Therefore because high-voltage arc strike ring 1 ovalize, its major axis is consistent with the lead direction during installation, has guaranteed alternate enough dry arcing distances, and can impel electric arc to drift about under the electric field action of circuit running current and extinguish.
As shown in Figure 5, Fig. 5 is the structural representation of all pressing arcing horn among the present invention.Fixing hole 32 on the described equal pressure side 21 of all pressing arcing horn 2 all presses fixing hole 32 on the equal pressure side 21 of arcing horn 2 to be installed in the low-pressure end of composite insulator by second securing member, 6 horizontal symmetrical with another; Recruit arc end 22 crooked under the side, constitute a discharging gap with the arc end 14 of described high-voltage arc strike ring.
The described equal pressure side of all pressing arcing horn 2 21 is half of anti-bird pest grading ring, is provided with an above reinforcement 8 on the equal pressure side 21 of arcing horn 2 at least all pressing; All press arcing horn 2 to be provided with second installing hole 32 that passes for second securing member 6; All also be provided with recessed laterally arc second mounting groove 31 on the pressure side 21, under the effect of second securing member 6, all press arcing horn 2 and another all to press arcing horn 2 horizontal symmetrical to be installed on the two ends gold utensil of composite insulator.
Described all to press the trick arc end 22 of arcing horn 2 be a ball, recruits arc end 22 crooked under the side, constitutes a discharging gap with the arc end 14 of described high-voltage arc strike ring.
As mentioned above as can be known, discharging gap device of the present invention with said structure characteristics, have technology to compare with oneself, have the composite insulator of being suitable for, quick for installation, all press that anticorona, discharge voltage is stable, are-tight arc extinction performance is good, long service life, easy for installation, grip is constant, suppress the lead vibrations and wave, do not hinder lead, advantage such as non-maintaining.
The present invention only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel according to the present invention inventive concept and spirit can structurally make various variations or modification, for example grading ring is changed into common grading ring, so these must belong to protection scope of the present invention.
Claims (9)
1. discharging gap device with grading ring is characterized in that: it be by draw together high-voltage arc strike ring (1) and all press arcing horn (2) up and down symmetry be connected on the two ends gold utensil of composite insulator.
2. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: described high-voltage arc strike ring (1) is arranged with two, links to each other by first securing member (5).
3. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: the described arcing horn (2) of all pressing is arranged with two, is connected by second securing member (6).
4. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: described high-voltage arc strike ring (1) profile is the ellipse of opening, an opening part end wherein is installing handle (11), high-voltage arc strike ring (1) is installed in the insulator high-pressure side with another high-voltage arc strike ring (1) horizontal symmetrical under the effect of first securing member (5), the arc end (14) of the other end of high-voltage arc strike ring (1) for slightly being bent upwards.
5. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: the central authorities of the installing handle (11) on the described high-voltage arc strike ring (1) are recessed relatively laterally arc first mounting groove (12), the both sides of first mounting groove (12) are provided with first installing hole (13) that passes for first securing member (5), by first securing member (5) high-voltage arc strike ring (1) are installed on the two ends gold utensil of composite insulator.
6. a kind of discharging gap device with grading ring according to claim 1 is characterized in that: the fixing hole (32) on the described equal pressure side (21) of all pressing arcing horn (2) all presses fixing hole (32) on the equal pressure side (21) of arcing horn (2) to be installed in the low-pressure end of composite insulator by second securing member (6) horizontal symmetrical with another; Recruit arc end (22) crooked under the side, constitute a discharging gap with the arc end (14) of described high-voltage arc strike ring.
7. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: the described two ends of the equal pressure side (21) of arcing horn (2) of all pressing are respectively equipped with reinforcement (8); All press arcing horn (2) to be provided with second installing hole (32) that passes for second securing member (6); All also be provided with recessed laterally arc second mounting groove (31) on the pressure side (21), under the effect of second securing member (6), all press arcing horn (2) and another all to press arcing horn (2) horizontal symmetrical to be installed on the two ends gold utensil of composite insulator.
8. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: described all to press the trick arc end (22) of arcing horn (2) be a ball, recruit arc end (22) crooked under the side, constitute a discharging gap with the arc end (14) of described high-voltage arc strike ring.
9. a kind of discharging gap device with grading ring according to claim 1, it is characterized in that: described reinforcement (8) is provided with more than at least one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225430.9A CN103337314B (en) | 2013-06-07 | 2013-06-07 | A kind of discharging gap apparatus with grading ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310225430.9A CN103337314B (en) | 2013-06-07 | 2013-06-07 | A kind of discharging gap apparatus with grading ring |
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| Publication Number | Publication Date |
|---|---|
| CN103337314A true CN103337314A (en) | 2013-10-02 |
| CN103337314B CN103337314B (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310225430.9A Active CN103337314B (en) | 2013-06-07 | 2013-06-07 | A kind of discharging gap apparatus with grading ring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298106A (en) * | 2016-10-21 | 2017-01-04 | 国网浙江永嘉县供电公司 | A kind of with all pressures and the lightning protection line insulator of discharging gap function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2022863A (en) * | 1934-11-01 | 1935-12-03 | Ohio Brass Co | Arcing guard |
| US2306359A (en) * | 1941-11-14 | 1942-12-22 | Ohio Brass Co | Arcing horn |
| CN2391287Y (en) * | 1999-10-19 | 2000-08-09 | 帅上本 | Butt-jointed strap |
| CN101866730A (en) * | 2010-06-09 | 2010-10-20 | 张涛 | Grading ring |
| CN102751056A (en) * | 2012-07-24 | 2012-10-24 | 固力发集团有限公司 | Discharge gap device |
| CN203288366U (en) * | 2013-06-07 | 2013-11-13 | 国家电网公司 | Discharge gap device provided with grading ring |
-
2013
- 2013-06-07 CN CN201310225430.9A patent/CN103337314B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2022863A (en) * | 1934-11-01 | 1935-12-03 | Ohio Brass Co | Arcing guard |
| US2306359A (en) * | 1941-11-14 | 1942-12-22 | Ohio Brass Co | Arcing horn |
| CN2391287Y (en) * | 1999-10-19 | 2000-08-09 | 帅上本 | Butt-jointed strap |
| CN101866730A (en) * | 2010-06-09 | 2010-10-20 | 张涛 | Grading ring |
| CN102751056A (en) * | 2012-07-24 | 2012-10-24 | 固力发集团有限公司 | Discharge gap device |
| CN203288366U (en) * | 2013-06-07 | 2013-11-13 | 国家电网公司 | Discharge gap device provided with grading ring |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298106A (en) * | 2016-10-21 | 2017-01-04 | 国网浙江永嘉县供电公司 | A kind of with all pressures and the lightning protection line insulator of discharging gap function |
| CN106298106B (en) * | 2016-10-21 | 2019-10-01 | 国网浙江永嘉县供电公司 | A kind of lightning protection line insulator with pressure and discharging gap function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103337314B (en) | 2016-02-24 |
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Inventor after: Han Honggang Inventor after: Zhao Yongchao Inventor after: Li Shengchuan Inventor after: Lu Junhai Inventor after: Du Yanqiang Inventor after: Lu Xuchen Inventor after: Bi Haitao Inventor after: Yang He Inventor after: Li Shuang Inventor after: Feng Zhanwen Inventor before: Han Honggang Inventor before: Li Shengchuan Inventor before: Du Yanqiang Inventor before: Lu Xuchen Inventor before: Bi Haitao Inventor before: Yang He Inventor before: Li Shuang Inventor before: Feng Zhanwen Inventor before: Zhao Yongchao |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd. Patentee after: Liaoning Dongke Power Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Liaoning Electric Power Co., Ltd.Electric Power Science Research Institute Patentee before: Liaoning Dongke Power Co., Ltd. |