CN203288366U - Discharge gap device provided with grading ring - Google Patents
Discharge gap device provided with grading ring Download PDFInfo
- Publication number
- CN203288366U CN203288366U CN201320327583XU CN201320327583U CN203288366U CN 203288366 U CN203288366 U CN 203288366U CN 201320327583X U CN201320327583X U CN 201320327583XU CN 201320327583 U CN201320327583 U CN 201320327583U CN 203288366 U CN203288366 U CN 203288366U
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- Prior art keywords
- arc
- discharging gap
- grading ring
- voltage
- arcing horn
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Abstract
The utility model relates to an insulator protecting device and belongs to the field of electric protection of power networks. The utility model especially relates to a discharge gap device provided with a grading ring. The discharge gap device provided with the grading ring is used for preventing surface flashover of an insulator. Problems that the composite insulator produces corona and the insulator is burnt by the surface flashover of the composite insulator under an overvoltage condition are solved. The discharge gap device provided with the grading ring is connected to armor clamps on two ends of the composite insulator in a vertically symmetrical manner through high-voltage arc-striking rings and voltage-sharing arcing horns. The discharge gap device provided with the grading ring is fixed on the armor clamps on the two ends of the composite insulator directly and has characteristics of being suitable for the composite insulator; being capable of sharing voltage for resisting corona; and being quick in installation, stable in discharging voltage, good in arc-tight and arc extinction performance and long in service lifetime.
Description
Technical field
The utility model 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 apparatus with grading ring; be a kind of discharging gap apparatus that prevents the insulator surface flashover, not only can solve the corona that under overvoltage, composite insulator produces 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 occurs along insulating surface while 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 is low but discharge voltage is unstable and the arc extinguishing ability, discharge is the electric arc insulator of easily burning if all footpaths of uniform ring are little, if all footpaths greatly cost is high, and alternate dry arcing distance can be reduced when excessive in all footpaths.
The utility model content
The utility model 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 apparatus with grading ring of long service life.
For solving the technical problem of above-mentioned existence, the utility model is achieved in that
A kind of discharging gap apparatus with grading ring is by drawing together the high-voltage arc strike ring and all pressing arcing horn up and down symmetry to be connected on the two ends gold utensil of composite insulator.
Described high-voltage arc strike ring is arranged with two, by the first securing member, is connected.
The described arcing horn of all pressing is arranged with two, by the second securing member, is connected.
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 arranged on the insulator high-pressure side under the effect of the 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 described high-voltage arc strike ring are recessed relatively laterally arc the first mounting groove, the both sides of the first mounting groove are provided with the first installing hole that passes for the first securing member, by the first securing member, the high-voltage arc strike ring are arranged on the two ends gold utensil of composite insulator.
Fixing hole on described equal pressure side of all pressing arcing horn and the fixing hole on another equal pressure side of all pressing arcing horn are arranged on the low-pressure end of composite insulator by the second securing member horizontal symmetrical; Recruit the arc end to crooked under side, with the arc end of described high-voltage arc strike ring, form a discharging gap.
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 the second installing hole that passes for the second securing member; All also be provided with recessed laterally arc the second mounting groove on pressure side, under the effect of the second securing member, all press arcing horn and another all to press the arcing horn horizontal symmetrical to be arranged 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 to crooked under side, with the arc end of described high-voltage arc strike ring, forms a discharging gap.
Described reinforcement is provided with more than at least one.
Advantage of the present utility model and beneficial effect are:
(1) high-voltage arc strike ring of the present utility model 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 again alternate dry arcing distance.
(2) the utility model has adopted two pairs of identical arcing horn and arcing ring horizontal symmetrical of all pressing to install, thereby and all press the arcing horn end 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 in the utility model is the function that grading ring and arcing horn unite two into one, and existing grading ring all presses anticorona advantage to have again arcing horn to recruit the performance of arc arc extinguishing;
(4) high-voltage arc strike ring of the present utility model and all press bearing between arcing horn and insulator to adopt simultaneously mounting groove and installing hole design, can be directly installed on the two ends gold utensil of composite insulator.
The utility model is directly to be 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 apparatus of long service life.
Below in conjunction with accompanying drawing, the utility model is done further detailed description.
Description of drawings
Fig. 1 is that the utility model is arranged on the structural representation on the composite suspension type insulators 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 all presses the structural representation of arcing horn in the utility model;
Fig. 6 is the structural representation of the utility model mesohigh arcing ring.
In figure: high-voltage arc strike ring 1, all press arcing horn 2, the first securing member 5, the second securing members 6, reinforcement 8, installing handle 11, the first mounting groove 12, the first installing holes 13, arc end 14, all pressure side 21, recruit arc end 22, the second mounting grooves 31, fixing hole 32.
Embodiment
The utility model is a kind of discharging gap apparatus with grading ring, and as Figure 1-Figure 4, the utility model is mainly by high-voltage arc strike ring 1, all press arcing horn 2, the first securing member 5 and the second securing member 6 to form.Specifically by two symmetrical high-voltage arc strike rings 1 that connect with are connected symmetrical connect all press arcing horn Shang Xia 2 on the symmetrical two ends gold utensil that is connected to composite insulator.
As shown in Figure 6, Fig. 6 is the structural representation of the utility model mesohigh arcing ring.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 arranged on the insulator high-pressure side with another high-voltage arc strike ring 1 horizontal symmetrical under the effect of the 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 described high-voltage arc strike ring 1 are recessed relatively laterally arc the first mounting groove 12, the both sides of the first mounting groove 12 are provided with the first installing hole 13 that passes for the first securing member 5, by the first securing member 5, high-voltage arc strike ring 1 are arranged on the two ends gold utensil of composite insulator.Therefore because high-voltage arc strike ring 1 ovalize, during installation, its major axis is consistent with the wire direction, 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 all presses the structural representation of arcing horn in the utility model.Fixing hole 32 on described equal pressure side 21 of all pressing arcing horn 2 all presses the fixing hole 32 on the equal pressure side 21 of arcing horn 2 to be arranged on the low-pressure end of composite insulator by the second securing member 6 horizontal symmetrical with another; Recruit arc end 22 to crooked under side, with the arc end 14 of described high-voltage arc strike ring, form a discharging gap.
The described equal pressure side of all pressing arcing horn 2 21 is half of anti-bird pest grading ring, is provided with at least an above reinforcement 8 all pressing on the equal pressure side 21 of arcing horn 2; All press arcing horn 2 to be provided with the second installing hole 32 that passes for the second securing member 6; All also be provided with recessed laterally arc the second mounting groove 31 on pressure side 21, under the effect of the second securing member 6, all press arcing horn 2 and another all to press arcing horn 2 horizontal symmetrical to be arranged 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 to crooked under side, with the arc end 14 of described high-voltage arc strike ring, forms a discharging gap.
As mentioned above as can be known, the utility model discharging gap apparatus 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 wire vibrations and wave, do not hinder wire, the advantage such as non-maintaining.
The utility model only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel can structurally make various variations or modification according to the present utility model design and spirit, for example grading ring is changed into common grading ring, so these must belong to protection range of the present utility model.
Claims (9)
1. discharging gap apparatus with grading ring is characterized in that: it is by drawing together high-voltage arc strike ring (1) and pressing all that arcing horn (2) up and down is symmetrical to be connected on the two ends gold utensil of composite insulator.
2. a kind of discharging gap apparatus with grading ring according to claim 1, it is characterized in that: described high-voltage arc strike ring (1) is arranged with two, by the first securing member (5), is connected.
3. a kind of discharging gap apparatus with grading ring according to claim 1, it is characterized in that: the described arcing horn (2) of all pressing is arranged with two, by the second securing member (6), is connected.
4. a kind of discharging gap apparatus 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 arranged on the insulator high-pressure side with another high-voltage arc strike ring (1) horizontal symmetrical under the effect of the 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 apparatus with grading ring according to claim 1, it is characterized in that: the central authorities of the installing handle (11) on described high-voltage arc strike ring (1) are recessed relatively laterally arc the first mounting groove (12), the both sides of the first mounting groove (12) are provided with the first installing hole (13) that passes for the first securing member (5), by the first securing member (5), high-voltage arc strike ring (1) are arranged on the two ends gold utensil of composite insulator.
6. a kind of discharging gap apparatus with grading ring according to claim 1 is characterized in that: the fixing hole (32) on described equal pressure side (21) of all pressing arcing horn (2) all presses the fixing hole (32) on the equal pressure side (21) of arcing horn (2) to be arranged on the low-pressure end of composite insulator by the second securing member (6) horizontal symmetrical with another; Recruit arc end (22) to crooked under side, with the arc end (14) of described high-voltage arc strike ring, form a discharging gap.
7. a kind of discharging gap apparatus 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 the second installing hole (32) that passes for the second securing member (6); All also be provided with recessed laterally arc the second mounting groove (31) on pressure side (21), under the effect of the second securing member (6), all press arcing horn (2) and another all to press arcing horn (2) horizontal symmetrical to be arranged on the two ends gold utensil of composite insulator.
8. a kind of discharging gap apparatus 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) to crooked under side, with the arc end (14) of described high-voltage arc strike ring, form a discharging gap.
9. a kind of discharging gap apparatus 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 |
|---|---|---|---|
| CN201320327583XU CN203288366U (en) | 2013-06-07 | 2013-06-07 | Discharge gap device provided with grading ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320327583XU CN203288366U (en) | 2013-06-07 | 2013-06-07 | Discharge gap device provided with grading ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288366U true CN203288366U (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320327583XU Expired - Lifetime CN203288366U (en) | 2013-06-07 | 2013-06-07 | Discharge gap device provided with grading ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203288366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337314A (en) * | 2013-06-07 | 2013-10-02 | 国家电网公司 | Discharge gap device with voltage-equalizing rings |
| CN105957658A (en) * | 2016-07-25 | 2016-09-21 | 国网湖南省电力公司 | Ice-preventing insulator for ground wire ice-melting reconstruction |
-
2013
- 2013-06-07 CN CN201320327583XU patent/CN203288366U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337314A (en) * | 2013-06-07 | 2013-10-02 | 国家电网公司 | Discharge gap device with voltage-equalizing rings |
| CN103337314B (en) * | 2013-06-07 | 2016-02-24 | 国家电网公司 | A kind of discharging gap apparatus with grading ring |
| CN105957658A (en) * | 2016-07-25 | 2016-09-21 | 国网湖南省电力公司 | Ice-preventing insulator for ground wire ice-melting reconstruction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
|
| CX01 | Expiry of patent term |