CN208970930U - A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device - Google Patents
A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device Download PDFInfo
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- CN208970930U CN208970930U CN201821623741.5U CN201821623741U CN208970930U CN 208970930 U CN208970930 U CN 208970930U CN 201821623741 U CN201821623741 U CN 201821623741U CN 208970930 U CN208970930 U CN 208970930U
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- spheric
- gold utensil
- spheric electrode
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000010931 gold Substances 0.000 claims abstract description 32
- 229910052737 gold Inorganic materials 0.000 claims abstract description 32
- 238000010891 electric arc Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims description 24
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 11
- 239000010439 graphite Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 8
- 238000009422 external insulation Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 229920001778 nylon Polymers 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 208000025274 Lightning injury Diseases 0.000 abstract description 5
- 230000008033 biological extinction Effects 0.000 abstract description 4
- 239000007921 spray Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000002679 ablation Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The utility model 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.The structure of the utility model 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 utility model, 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 utility model relates to a kind of arrester of overhead transmission line applied to 10KV ratings above more particularly to a kind of bases
It, can direct striking thunder prevention in the combined arrester of dish type Multiple level arc extinguishing lightning protection device.
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.
Utility model content
The purpose of this utility model, which is that, overcomes shortcoming and defect existing for existing line arrester, provides one kind and is based on
The combined arrester of dish type Multiple level arc extinguishing lightning protection device.
Purpose of the utility model is realized as follows:
Including insulation support rod A, upper connection gold utensil B, lower connection gold utensil C, upper spheric electrode D1, lower spheric electrode D2 and disk
Shape 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 company is arranged in lower part
Fitting B connection is connect, lower spheric electrode D2 is connect with lower connection gold utensil C, between upper connection gold utensil B and lower connection gold utensil C successively
Be in series with the 1st, 2 ... dish type Multiple level arc extinguishing the lightning protection device E, N of N is natural number, 1≤N≤8.
The utility model 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 because of lightning stroke
Probability is struck back caused by lightning conducter；
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 company is arranged in lower part
Fitting B connection is connect, lower spheric electrode D2 is connect with lower connection gold utensil C, between upper connection gold utensil B and lower connection gold utensil C successively
Be in series with 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 the core component of the utility model, including the spherical electricity of main gap
Pole 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, in orthodrome gap, B head and the tail 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 metal hemisphere
Electrode 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 that the enhancing nylon wrapping layer of a kind of resistance to electric arc and high temperature is mentioned by being molded or being molded
High 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, and by being molded or being molded, it is resistance to improve product
Time property and dielectric level.
The working mechanism of the utility model:
When high-tension overhead line is by being struck by lightning, overvoltage is introduced by main gap spheric electrode 10, and double hemisphere T-type ceramics are put
Fulgurite 20 is punctured one by one, forms discharge channel；Lightning current is released by the present apparatus into ground, while power-frequency voltage can be along this
Discharge channel generates power frequency continued flow；The meeting when electric arc reaches the 2nd half ball electrode 22 of graphite by the 1st half ball electrode 22 of graphite
By 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 is logical
The hollow cylinder 212 for crossing T-type ceramic tube 21 sprays, and powerful self-expanding airflow function stretches the length of electric arc in electric arc, together
Shi Wendu 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 is double
The hollow cylinder 212 of hemisphere T-type ceramic discharge tube 20 can all form a power-off, therefore multiple double hemisphere T-type ceramic discharge tubes
20 form multiple power-off, and electric arc is crushed and is extinguished, it is avoided to restrike, to complete a lightning discharge movement.Graphite hemisphere electricity
The thermal capacity of pole 22 is big, high temperature resistant and intensity are good, is able to bear high arc temperature and is not vaporized；Not using half ball electrode 22 of graphite
It can melt because of the multiple ablation of lightning current and power current, Effect of Short Circuit properties of product occur and cause safety accident；This dress
The number that product bears lightning stroke can be greatly improved by setting, and be prolonged 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 according to claim 1, feature exist
In:
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 master on the main 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 spheric electrode (12) under spheric electrode on main gap (11) 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 orthodrome gap (B) initial and end end under spheric electrode (11) and main gap on main gap,
It is the input discharged, output end that it, which is acted on,；
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 double end to end composition gap in arcing chamber strings (A) of hemisphere T-type ceramic discharge tube (20), effect is to crush electric arc
Extinguish；
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 |
|---|---|---|---|
| CN201821623741.5U CN208970930U (en) | 2018-09-30 | 2018-09-30 | A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821623741.5U CN208970930U (en) | 2018-09-30 | 2018-09-30 | A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208970930U true CN208970930U (en) | 2019-06-11 |
Family
ID=66758914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821623741.5U Expired - Fee Related CN208970930U (en) | 2018-09-30 | 2018-09-30 | A kind of combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208970930U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217112A (en) * | 2018-09-30 | 2019-01-15 | 武汉微创元电子科技有限责任公司 | Combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
-
2018
- 2018-09-30 CN CN201821623741.5U patent/CN208970930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217112A (en) * | 2018-09-30 | 2019-01-15 | 武汉微创元电子科技有限责任公司 | Combined arrester based on dish type Multiple level arc extinguishing lightning protection device |
| CN109217112B (en) * | 2018-09-30 | 2023-06-02 | 武汉微创元电子科技有限责任公司 | Combined lightning arrester based on disc-shaped multi-gap arc extinguishing lightning protection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |