CN109217112A - Combined arrester based on dish type Multiple level arc extinguishing lightning protection device - Google Patents
Combined arrester based on dish type Multiple level arc extinguishing lightning protection device Download PDFInfo
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- CN109217112A CN109217112A CN201811160902.6A CN201811160902A CN109217112A CN 109217112 A CN109217112 A CN 109217112A CN 201811160902 A CN201811160902 A CN 201811160902A CN 109217112 A CN109217112 A CN 109217112A
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- electrode
- gap
- spheric
- gold utensil
- spheric electrode
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/16—Overvoltage arresters using spark gaps having a plurality of gaps arranged in series
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T1/00—Details of spark gaps
- H01T1/02—Means for extinguishing arc
- H01T1/08—Means for extinguishing arc using flow of arc-extinguishing fluid
- H01T1/10—Means for extinguishing arc using flow of arc-extinguishing fluid with extinguishing fluid evolved from solid material by heat of arc
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/02—Details
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses a kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device more particularly to a kind of arresters of the overhead transmission line applied to 10KV ratings above.Structure of the invention is: upper and lower connection gold utensil being arranged respectively in insulation support rod upper and lower part, upper spheric electrode is connect with upper connection gold utensil, lower spheric electrode is connect with lower connection gold utensil, be sequentially connected in series the 1st between upper connection gold utensil and lower connection gold utensil, 2 ... the dish type Multiple level arc extinguishing lightning protection device of N, N is natural number, 1≤N≤8.Lightning current is elongated and draws and attenuates and spray by the present invention, makes arc extinction, avoids the generation of phase fault, strikes back probability caused by reducing because of lightning stroke lightning conducter；Tolerance lightning surge ability is strong, and discharge capacity is big, highly-safe；Discharging gap size identical property is good；Structure is simple；Unique more external series gaps are after power frequency continued flow zero passage blow-out, and because dielectric insulation resume speed is fast, electric arc is no longer restriked.
Description
Technical field
The present invention relates to a kind of arresters of overhead transmission line applied to 10KV ratings above, more particularly to one kind to be based on disk
The combined arrester of shape Multiple level arc extinguishing lightning protection device, can direct striking thunder prevention.
Background technique
Thunder and lightning is the key factor for influencing power transmission line safety, occupies the first place of line fault tripping for a long time, is atmosphere
Movable natural process, it is also uncontrollable so far.Lightning stroke will cause overvoltage, may cause to damage to insulator, power transmission line；Draw
Play insulator arc-over electric discharge.Protection generally is realized using line thunder protection device is installed additional in overhead transmission line to this power department.At present
The leakage conductor used on overhead transmission line mainly has: oxidation zinc-type arrester, portable protective gaps arrester and novel Multiple level
Arrester.It is difficult to aoxidize zinc-type arrester moisture-sensitive, easy to aging, high failure rate and repair and maintenance；Portable protective gaps arrester is in thunder
It is unable to arc extinguishing after hitting protection act, trip line-outage contingency caused by not can effectively solve because of lightning stroke；Novel Multiple level arrester
Mostly use single metal ball shaped electrode, metal ball shaped electrode easily melt through the multiple ablation of power frequency arc variation cause it is short between gap
It connects, and gap in arcing chamber string is in more closed space, power frequency continued flow is after zero passage blow-out, and dielectric insulation is not easy to restore, and electric arc is easy
It restrikes.Structure is complicated simultaneously, production is difficult, and homogeneity of product is poor, and power-frequency discharge, impulsive discharge are unstable.
Summary of the invention
The object of the invention is that overcoming shortcoming and defect existing for existing line arrester, provide a kind of based on dish type
The combined arrester of Multiple level arc extinguishing lightning protection device.
The object of the present invention is achieved like this:
It is more including insulation support rod A, upper connection gold utensil B, lower connection gold utensil C, upper spheric electrode D1, lower spheric electrode D2 and dish type
Gap arc extinguishing lightning protection device E；
Its position and connection relationship are:
Upper connection gold utensil B is arranged in the top insulation support rod A, and lower connection gold utensil C, upper spheric electrode D1 and upper connection gold is arranged in lower part
Has B connection, lower spheric electrode D2 connect with lower connection gold utensil C, is sequentially connected in series between upper connection gold utensil B and lower connection gold utensil C
Have the 1st, 2 ... dish type Multiple level arc extinguishing the lightning protection device E, N of N is natural number, 1≤N≤8.
The present invention has following advantages and good effect:
It draws and attenuates and sprays 1. lightning current is elongated, make arc extinction, avoid the generation of phase fault, reduce lightning-arrest because being struck by lightning
Probability is struck back caused by line；
2. being resistant to, lightning surge ability is strong, and discharge capacity is big, highly-safe；
3. discharging gap size identical property is good, impulsive discharge, power-frequency discharge are stablized；
4. structure is simple, high reliablity, it is easy to produce in batches.
5. unique more external series gaps are after power frequency continued flow zero passage blow-out, because dielectric insulation resume speed is fast, electric arc is no longer heavy
Combustion.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of dish type Multiple level arc extinguishing lightning protection device E；
Fig. 3 is the structural schematic diagram of double hemisphere T-type ceramic discharge tubes 20.
In figure:
A-insulating supporting side；
B-goes up connection gold utensil；
The lower connection gold utensil of C-；
D1-goes up spheric electrode, the lower spheric electrode of D2-；
E-dish type Multiple level arc extinguishing lightning protection device,
10-main gap spheric electrodes,
Spheric electrode on 11-main gaps, spheric electrode under 12-main gaps.
20-bis- hemisphere T-type ceramic discharge tubes,
21-T-type ceramic tubes,
211-hemi-spherical cavities,
212-hollow cylinders,
22-graphite, half ball electrode, 23-metal, half ball electrode.
30-external series gap spheric electrodes
31-left spheric electrodes, 32-right spheric electrodes；
40-inner insulating layers；
50-external insulation layers；
A-gap in arcing chamber string；B-orthodrome gap string.
Specific embodiment
It is described in detail with reference to the accompanying drawings and examples:
One, the structure of combined arrester
1, overall
Such as Fig. 1, including insulation support rod A, upper connection gold utensil B, lower connection gold utensil C, upper spheric electrode D1, lower spheric electrode D2 and
Dish type Multiple level arc extinguishing lightning protection device E；
Its position and connection relationship are:
Upper connection gold utensil B is arranged in the top insulation support rod A, and lower connection gold utensil C, upper spheric electrode D1 and upper connection gold is arranged in lower part
Has B connection, lower spheric electrode D2 connect with lower connection gold utensil C, is sequentially connected in series between upper connection gold utensil B and lower connection gold utensil C
Have the 1st, 2 ... dish type Multiple level arc extinguishing the lightning protection device E, N of N is natural number, 1≤N≤8.
2, functional component
1) insulation support rod A
Insulation support rod A is process by glass reinforced plastic or epoxy tube.
Its function has been insulating supporting effect.
2) connection gold utensil B on
Insulation support rod A is a kind of metallic conductor, is formed by aluminium or copper die casting.
Its function has been to be connected and fixed effect.
3) connection gold utensil C under
Lower connection gold utensil C is a kind of metallic conductor, is formed by aluminium or copper die casting.
Its function has been to be connected and fixed effect.
4) upper and lower spheric electrode D1, D2
Upper and lower spheric electrode D1, D2 is a kind of stainless steel workpiece.
Its function is the electrode of arc discharge channel (input, output).
5) dish type Multiple level arc extinguishing lightning protection device E
If Fig. 2, dish type Multiple level arc extinguishing lightning protection device E are core of the invention component, including main gap spheric electrode 10, double half
Ball T-type ceramic discharge tube 20, external series gap spheric electrode 30, inner insulating layer 40 and external insulation layer 50；
Its position and connection relationship are:
Gap in arcing chamber string A is composed in series by 6-10 double hemisphere T-type ceramic discharge tubes 20, is in segment arc；
One orthodrome gap B is successively staggeredly composed in series by 6-8 gap in arcing chamber string A and 5-7 external series gap spheric electrode 30,
B head and the tail in orthodrome gap are connected separately with the upper spheric electrode 11 and lower spheric electrode 12 of main gap spheric electrode 10；
Inner insulating layer 40 is uniformly enclosed with outside the B of orthodrome gap；
External insulation layer 50 is wrapped in inner insulating layer 40.
Its functional component is:
(1) main gap spheric electrode 10
Such as Fig. 1,2, main gap spheric electrode 10 includes spheric electrode 12 under spheric electrode 11 on main gap and main gap；
It is a kind of spheric conductor being process by stainless steel, spherical diameter is in 15~25mm.
Spheric electrode 12 is connected to the orthodrome gap two ends B under spheric electrode 11 and main gap on main gap,
Effect is the input of electric discharge, output end.
(2) double hemisphere T-type ceramic discharge tubes 20
Such as Fig. 2,3, double hemisphere T-type ceramic discharge tubes 20 include T-type ceramic tube 21, half ball electrode 22 of graphite and half ball electrode of metal
23；
Half ball electrode 23 of half ball electrode 22 of graphite and metal is respectively arranged in the cavity up and down of T-type ceramic tube 21；
The T-type ceramic tube 21 includes the hollow cylinder 212 and hemi-spherical cavities 211 of left and right connection, hemi-spherical cavities 211
15~19mm of diameter, 9~13mm of thickness；The inner and outer diameter of hollow cylinder 212 is 2.4~5mm, 5.6~9mm respectively；
The radius of half ball electrode 22 of graphite is 4~6mmm；
The radius of half ball electrode 23 of metal is 4~6mmm.
The end to end composition gap in arcing chamber string A of several double hemisphere T-type ceramic discharge tubes 20, effect is to crush electric arc
Extinguish.
(3) external series gap spheric electrode 30
Such as Fig. 1, external series gap spheric electrode 30 includes left spheric electrode 31 and right spheric electrode 32；
It is a kind of spheric conductor that stainless steel is process, spherical diameter is in 15~25mm.
For external series gap spheric electrode 30 between two gap in arcing chamber string A, effect is to aid in arc extinguishing and after arc extinction
Dielectric insulation resume speed is improved, electric arc is made not restrike.
(4) inner insulating layer 40
Inner insulating layer 40 is the enhancing nylon wrapping layer of a kind of resistance to electric arc and high temperature, by being molded or being molded, improves and produces
Product intensity and rigidity.
(5) external insulation layer 50
External insulation layer 50 is a kind of silicon rubber wrapping layer, is in hub-like, by being molded or being molded, improves product weatherability
And dielectric level.
Working mechanism of the invention:
When high-tension overhead line is by being struck by lightning, overvoltage is introduced by main gap spheric electrode 10, double hemisphere T-type ceramic discharge tubes
20 are punctured one by one, form discharge channel；Lightning current is released by the present apparatus into ground, while power-frequency voltage can be along this electric discharge
Channel generates power frequency continued flow；It can pass through when electric arc reaches the 2nd half ball electrode 22 of graphite by the 1st half ball electrode 22 of graphite
T-type ceramic tube 21, high-temperature electric arc, which encounters cooling 21 inner wall of T-type ceramic tube, at this time can be produced from expanded gas flow, and air-flow passes through T-type
The hollow cylinder 212 of ceramic tube 21 sprays, and powerful self-expanding airflow function stretches the length of electric arc in electric arc, while temperature
Reduction is conducive to arc extinction, and electric arc from the nozzle of hollow cylinder 212 sprays to form arc of quenching with air-flow, each double hemisphere T
The hollow cylinder 212 of type ceramic discharge tube 20 can all form a power-off, therefore multiple double formation of hemisphere T-type ceramic discharge tube 20
Electric arc is crushed and is extinguished, it is avoided to restrike by multiple power-off, to complete a lightning discharge movement.Half ball electrode 22 of graphite
Thermal capacity is big, high temperature resistant and intensity are good, is able to bear high arc temperature and is not vaporized；It will not be because of thunder using half ball electrode 22 of graphite
The multiple ablation of electric current and power current and melt, occur Effect of Short Circuit properties of product cause safety accident；The present apparatus can be big
The big number for improving product and bearing lightning stroke, prolongs the service life.
Claims (2)
1. a kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device, it is characterised in that:
Including insulation support rod (A), upper connection gold utensil (B), lower connection gold utensil (C), upper spheric electrode (D1), lower spheric electrode
(D2) and dish type Multiple level arc extinguishing lightning protection device (E)；
Its position and connection relationship are:
Upper connection gold utensil (B) is set on the insulation support rod top (A), the connection gold utensil under the setting of the insulation support rod lower part (A)
(C), upper spheric electrode (D1) connect with upper connection gold utensil (B), and lower spheric electrode (D2) connect with lower connection gold utensil (C), upper
Be sequentially connected in series the 1st between connection gold utensil (B) and lower connection gold utensil (C), 2 ... the dish type Multiple level arc extinguishing lightning protection device of N
(E), N is natural number, 1≤N≤8.
2. a kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device, it is characterised in that:
The dish type Multiple level arc extinguishing lightning protection device (E) includes main gap spheric electrode (10), double hemisphere T-type ceramic discharge tubes
(20), external series gap spheric electrode (30), inner insulating layer (40) and external insulation layer (50)；
Its position and connection relationship are:
Gap in arcing chamber string (A) is composed in series by 6-10 double hemisphere T-type ceramic discharge tubes (20), is in segment arc；
One orthodrome gap is successively staggeredly composed in series by 6-8 gap in arcing chamber string (A) and 5-7 external series gap spheric electrode (30)
(B), spheric electrode (11) and outer on the external series gap that (B) is connected separately with main gap spheric electrode (10) from beginning to end in orthodrome gap
Spheric electrode (12) under gap；
It is uniformly enclosed with inner insulating layer (40) outside at orthodrome gap (B)；
External insulation layer (50) are wrapped in inner insulating layer (40)；
The main gap spheric electrode (10) includes upper spheric electrode (11) and lower spheric electrode (12)；
It is a kind of spheric conductor being process by stainless steel, spherical diameter is in 15~25mm；
Upper spheric electrode (11) and lower spheric electrode (12) are connected to orthodrome gap (B) initial and end end, and effect is electric discharge
Input, output end；
Double hemisphere T-type ceramic discharge tubes (20) include T-type ceramic tube (21), half ball electrode of graphite (22) and metal hemisphere
Electrode (23)；
Half ball electrode of graphite (22) and half ball electrode of metal (23) are respectively arranged in the cavity up and down of T-type ceramic tube (21)；
The T-type ceramic tube (21) includes the hollow cylinder (212) and hemi-spherical cavities (211) of left and right connection, and hemispherical is empty
15~19mm of diameter of chamber (211), 9~13mm of thickness；The inner and outer diameter of hollow cylinder (212) is 2.4~5mm respectively, 5.6~
9mm；
The radius of half ball electrode of graphite (22) is 4~6mmm；
The radius of half ball electrode of metal (23) is 4~6mmm；
Several end to end composition gap in arcing chamber strings (A) of double hemisphere T-type ceramic discharge tubes 20, effect are to put out electric arc crushing
It goes out；
The external series gap spheric electrode (30) includes left spheric electrode (31) and right spheric electrode (32), is a kind of stainless steel
The spheric conductor being process, spherical diameter in 15~25mm, external series gap spheric electrode (30) two gap in arcing chamber strings (A) it
Between；
The inner insulating layer (40) is the enhancing nylon wrapping layer of a kind of resistance to electric arc and high temperature；
The external insulation layer (50) is a kind of silicon rubber wrapping layer, is in hub-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160902.6A CN109217112B (en) | 2018-09-30 | 2018-09-30 | Combined lightning arrester based on disc-shaped multi-gap arc extinguishing lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811160902.6A CN109217112B (en) | 2018-09-30 | 2018-09-30 | Combined lightning arrester based on disc-shaped multi-gap arc extinguishing lightning protection device |
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| Publication Number | Publication Date |
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| CN109217112A true CN109217112A (en) | 2019-01-15 |
| CN109217112B CN109217112B (en) | 2023-06-02 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110176719A (en) * | 2019-06-20 | 2019-08-27 | 武汉爱伦菲尼克斯科技有限责任公司 | A kind of Multiple level arrester with insulator function |
| WO2020215650A1 (en) * | 2019-04-22 | 2020-10-29 | 中国电力科学研究院有限公司 | Lightning arrester having external series gap and lightning protection system |
| CN112117644A (en) * | 2019-06-20 | 2020-12-22 | 南宁超伏电气科技有限公司 | Supercharged multi-stage recoil arc-extinguishing method and system |
| CN112117657A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Tandem type active lightning arc blowing-out device |
| CN112769042A (en) * | 2020-12-30 | 2021-05-07 | 国网河南省电力公司南阳供电公司 | Method for manufacturing series gap lightning arrester |
| CN112909740A (en) * | 2021-02-24 | 2021-06-04 | 云南电网有限责任公司德宏供电局 | Multi-chamber parallel gap device adopting spiral series connection |
| CN115693406A (en) * | 2022-10-25 | 2023-02-03 | 云南电力试验研究院(集团)有限公司 | Structured medium-voltage overhead line lightning protection device |
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| CN106911080A (en) * | 2017-03-02 | 2017-06-30 | 武汉水院电气有限责任公司 | A kind of 10kV multistages short arc potential drop voltage superposition excess voltage preventer |
| CN206595098U (en) * | 2017-03-28 | 2017-10-27 | 武汉爱劳高科技有限责任公司 | Combine disc type Multiple level arrester |
| CN208970930U (en) * | 2018-09-30 | 2019-06-11 | 武汉微创元电子科技有限责任公司 | A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
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| CN106911080A (en) * | 2017-03-02 | 2017-06-30 | 武汉水院电气有限责任公司 | A kind of 10kV multistages short arc potential drop voltage superposition excess voltage preventer |
| CN206595098U (en) * | 2017-03-28 | 2017-10-27 | 武汉爱劳高科技有限责任公司 | Combine disc type Multiple level arrester |
| CN208970930U (en) * | 2018-09-30 | 2019-06-11 | 武汉微创元电子科技有限责任公司 | A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020215650A1 (en) * | 2019-04-22 | 2020-10-29 | 中国电力科学研究院有限公司 | Lightning arrester having external series gap and lightning protection system |
| CN112117657A (en) * | 2019-06-19 | 2020-12-22 | 中国石油化工股份有限公司 | Tandem type active lightning arc blowing-out device |
| CN110176719A (en) * | 2019-06-20 | 2019-08-27 | 武汉爱伦菲尼克斯科技有限责任公司 | A kind of Multiple level arrester with insulator function |
| CN112117644A (en) * | 2019-06-20 | 2020-12-22 | 南宁超伏电气科技有限公司 | Supercharged multi-stage recoil arc-extinguishing method and system |
| CN112117647A (en) * | 2019-06-20 | 2020-12-22 | 南宁超伏电气科技有限公司 | Supercharged single-recoil arc extinguishing method and application |
| CN112117644B (en) * | 2019-06-20 | 2022-04-08 | 南宁超伏电气科技有限公司 | Supercharged multi-stage recoil arc-extinguishing method and system |
| CN112769042A (en) * | 2020-12-30 | 2021-05-07 | 国网河南省电力公司南阳供电公司 | Method for manufacturing series gap lightning arrester |
| CN112909740A (en) * | 2021-02-24 | 2021-06-04 | 云南电网有限责任公司德宏供电局 | Multi-chamber parallel gap device adopting spiral series connection |
| CN115693406A (en) * | 2022-10-25 | 2023-02-03 | 云南电力试验研究院(集团)有限公司 | Structured medium-voltage overhead line lightning protection device |
| CN115693406B (en) * | 2022-10-25 | 2023-08-15 | 云南电力试验研究院(集团)有限公司 | Structured medium-voltage overhead line lightning protection device |
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