CN203288368U - Discharging gap device - Google Patents
Discharging gap device Download PDFInfo
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- CN203288368U CN203288368U CN2013203275882U CN201320327588U CN203288368U CN 203288368 U CN203288368 U CN 203288368U CN 2013203275882 U CN2013203275882 U CN 2013203275882U CN 201320327588 U CN201320327588 U CN 201320327588U CN 203288368 U CN203288368 U CN 203288368U
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- arc
- discharging gap
- insulator
- voltage
- discharging
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Abstract
The utility model relates to a discharging gap device that is an insulator protecting device. The discharging gap device belongs to the field of electric protection in power networks and especially relates to a discharging gap device for preventing flashover on the surface of an insulator. The discharging gap device is connected to armor clamps on two ends of the composite insulator in a vertically symmetrical manner through high-voltage arc-striking rings and arcing horns. According to the utility model, each of the high-voltage arc-striking rings adopts a design with an oval opening and the two arc-striking rings are installed in a horizontally symmetrical manner, so that arcing voltage becomes more stable. Therefore, arc is kept away from the insulator and inter-phase dry arcing distances are kept. Besides, the two identical arcing horns are installed in a horizontally symmetrical manner and tail ends of the arcing horns adopt round balls for discharging, so that discharging frequency is increased and service lifetime of the insulator is improved substantially. Compared with the prior art, the discharging gap device has advantages of being suitable for the composite insulator; being quick in installation, stable in discharging voltage, good in arc-tight and arc extinction performance, long in service lifetime, convenient to install, constant in holding force; being capable of inhibiting lead vibration and waving; being harmless to leads and maintenance-free; and the like.
Description
Technical field
The utility model relates to a kind of discharging gap apparatus; it is a kind of insulator protective device; belong to electrical protection field in the electric power networking, relate in particular to a kind of discharging gap apparatus that prevents the insulator surface flashover, can solve insulator surface flashover under overvoltage 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, for problems of the prior art, provides a kind of discharging gap apparatus, is suitable for composite insulator, have quick for installation, cost is low, gap is adjustable, discharge voltage is stable, are-tight arc extinction performance is good, the purpose of long service life.
The technical solution adopted in the utility model is:
A kind of discharging gap apparatus, it is by the high-voltage arc strike ring and the arcing horn up and down is symmetrical is 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.
Described arcing horn is arranged with two, by the second securing member, is connected.
Described high-voltage arc strike ring profile is the ellipse of opening, and an opening part end wherein is installing handle, and the oval other end of high-voltage arc strike ring is arc end; Installing handle is provided with the first mounting groove, and the both sides of the first mounting groove are provided with the first installing hole that passes for the first securing member; The first securing member passes the first installing hole two high-voltage arc strike ring horizontal symmetrical is arranged on the insulator high-pressure side.
One end of described arcing horn is for recruiting the arc end, and the other end of arcing horn is stiff end; The stiff end of described arcing horn is provided with the second mounting groove, and the both sides of the second mounting groove are provided with the second installing hole that passes for the second securing member; The stiff end of stiff end and another arcing horn is arranged on the low-pressure end of insulator by the second securing member horizontal symmetrical; Recruit arc end and the arc end phase mapping of high-voltage arc strike ring to form a discharging gap.
Described trick arc end is the ball structure to the side-lower bending.
The structure of described arc end for slightly being bent upwards.
Described the first mounting groove is recessed laterally arcuate structure.
Described the second mounting groove is the arcuate structure of outer concave.
The utlity model has following advantage and beneficial effect:
1, the high-voltage arc strike ring of the utility model discharging gap apparatus 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 arcing horn of the utility model discharging gap apparatus has adopted identical two horizontal symmetrical to install and the discharge of arcing horn end use ball, discharge time is increased, the useful life of having improved greatly product;
3, the high-voltage arc strike ring of the utility model discharging gap apparatus and the bearing between arcing horn and insulator have adopted mounting groove and installing hole design simultaneously, can be directly installed on the two ends gold utensil of composite insulator.
The utility model tool has technology to compare with oneself, has the composite insulator of being suitable for, quick for installation, 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.
Below in conjunction with accompanying drawing, the utility model is done further detailed description.
Description of drawings
Fig. 1 is that the utility model discharging gap apparatus embodiment 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 is the utility model mesohigh arcing ring structural representation;
Fig. 6 is arcing horn structural representation in the utility model.
In figure: high-voltage arc strike ring 1, arcing horn 2, the first securing member 5, the second securing members 6, installing handle 11, the first mounting groove 12, the first installing holes 13, arc end 14, stiff end 21, recruit arc end 22, the second mounting groove 31, the second installing holes 32.
Embodiment
The utility model is kind of a discharging gap apparatus, and as Figure 1-Figure 4, the utility model mainly is comprised of high-voltage arc strike ring 1, arcing horn 2, the first securing member 5 and the second securing member 6.It is by high-voltage arc strike ring 1 and arcing horn symmetrical being connected on the two ends gold utensil of composite insulator Shang Xia 2.Described high-voltage arc strike ring 1 is arranged with two, by the first securing member 5, is connected.Described arcing horn 2 is arranged with two, by the second securing member 6, is connected.
As shown in Figure 5, Fig. 5 is the utility model mesohigh arcing ring structural representation.High-voltage arc strike ring 1 profile described in the utility model is the ellipse of opening, and an opening part end wherein is installing handle 11, the structure arc end 14 of the oval other end of high-voltage arc strike ring 1 for slightly being bent upwards; The central authorities of installing handle 11 are that the both sides that are provided with the first mounting groove 12, the first mounting grooves 12 of recessed laterally arcuate structure are provided with the first installing hole 13 that passes for the first securing member 5; Under the effect of the first securing member 5, pass the first installing hole 13 by the first securing member 5 two high-voltage arc strike ring horizontal symmetrical are arranged on the two ends gold utensil of composite insulator high-pressure side.
As shown in Figure 6, Fig. 6 is arcing horn structural representation in the utility model.One end of arcing horn 2 described in the utility model is for recruiting arc end 22, and the other end of arcing horn 2 is stiff end 21; The both sides of the second mounting groove 31, the second mounting grooves 31 that the stiff end of described arcing horn 2 is provided with the arcuate structure of outer concave are provided with the second installing hole 32 that passes for the second securing member 6; Stiff end 21 is arranged on two low-pressure end gold utensils of insulator with the stiff end of another arcing horn 2 by the second securing member 6 horizontal symmetrical; Recruit arc end 22 and the arc end 14 phase mappings of high-voltage arc strike ring 1 to form a discharging gap.Described trick arc end 22 is the ball structure to the side-lower bending, with the arc end 14 of described high-voltage arc strike ring, forms a discharging gap.
Because high-voltage arc strike ring 1 ovalize, during installation, its major axis is consistent with the wire direction and towards the power supply load side, has therefore 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 mentioned above as can be known, the utility model discharging gap apparatus 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 design of the utility model utility model and spirit, all within the utility model protection range.
Claims (9)
1. discharging gap apparatus is characterized in that: it is by high-voltage arc strike ring (1) and arcing horn (2) up and down is symmetrical is connected on the two ends gold utensil of composite insulator.
2. a kind of discharging gap apparatus 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 according to claim 1, it is characterized in that: described arcing horn (2) is arranged with two, by the second securing member (6), is connected.
4. a kind of discharging gap apparatus 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), and the oval other end of high-voltage arc strike ring (1) is arc end (14); Installing handle (11) is provided with the first mounting groove (12), and 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); The first securing member (5) passes the first installing hole (13) two high-voltage arc strike ring horizontal symmetrical is arranged on the insulator high-pressure side.
5. a kind of discharging gap apparatus according to claim 1 is characterized in that: an end of described arcing horn (2) is for recruiting arc end (22), and the other end of arcing horn (2) is stiff end (21); The stiff end of described arcing horn (2) is provided with the second mounting groove (31), and the both sides of the second mounting groove (31) are provided with the second installing hole (32) that passes for the second securing member (6); Stiff end (21) is arranged on the low-pressure end of insulator with the stiff end of another arcing horn (2) by the second securing member (6) horizontal symmetrical; Recruit arc end (22) and arc end (14) the phase mapping of high-voltage arc strike ring (1) to form a discharging gap.
6., according to a kind of discharging gap apparatus claimed in claim 1, it is characterized in that: described trick arc end (22) is the ball structure to the side-lower bending.
7. a kind of discharging gap apparatus according to claim 1, is characterized in that: the structure of described arc end (14) for slightly being bent upwards.
8. a kind of discharging gap apparatus according to claim 1 is characterized in that: described the first mounting groove (12) is recessed laterally arcuate structure.
9. a kind of discharging gap apparatus according to claim 1, it is characterized in that: described the second mounting groove (31) is the arcuate structure of outer concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203275882U CN203288368U (en) | 2013-06-07 | 2013-06-07 | Discharging gap device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203275882U CN203288368U (en) | 2013-06-07 | 2013-06-07 | Discharging gap device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288368U true CN203288368U (en) | 2013-11-13 |
Family
ID=49544721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203275882U Expired - Lifetime CN203288368U (en) | 2013-06-07 | 2013-06-07 | Discharging gap device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203288368U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280278A (en) * | 2013-06-07 | 2013-09-04 | 国家电网公司 | Discharging gap device |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
-
2013
- 2013-06-07 CN CN2013203275882U patent/CN203288368U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280278A (en) * | 2013-06-07 | 2013-09-04 | 国家电网公司 | Discharging gap device |
| CN111446626A (en) * | 2020-05-14 | 2020-07-24 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof fitting |
| CN111446626B (en) * | 2020-05-14 | 2024-01-30 | 国网湖北省电力有限公司十堰供电公司 | Electric arc-proof hardware fitting |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |