CN206293767U - A kind of high-voltage arrester - Google Patents
A kind of high-voltage arrester Download PDFInfo
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- CN206293767U CN206293767U CN201621446943.8U CN201621446943U CN206293767U CN 206293767 U CN206293767 U CN 206293767U CN 201621446943 U CN201621446943 U CN 201621446943U CN 206293767 U CN206293767 U CN 206293767U
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- arrester
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- insulator
- electrode
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- 239000012212 insulator Substances 0.000 claims abstract description 44
- 238000000576 coating method Methods 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 16
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims description 6
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- Thermistors And Varistors (AREA)
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Abstract
The utility model discloses a kind of high-voltage arrester, including insulator chain, unit of an arrester I, unit of an arrester II, unit of an arrester III, insulator, first electrode, second electrode and firm banking;Unit of an arrester I, one end of unit of an arrester II are connected with the two ends of insulator chain respectively;The two ends of insulator are connected with the other end of unit of an arrester I and one end of unit of an arrester III respectively;The other end of the one end of unit of an arrester III also with unit of an arrester II is connected;The other end of unit of an arrester III is fixed on firm banking;The two ends of insulator are relative respectively to be provided with first electrode and second electrode.The utility model high-voltage arrester simple structure, easy for installation flexibly security performance is high, can effectively protect transmission circuit insulator string, reduces lightning flashover rate.
Description
Technical field
The utility model belongs to power transmission and transforming equipment production technical field, and in particular to a kind of high-voltage arrester.
Background technology
High-voltage arrester is a kind of overvoltage protection of electric applicance of excellent performance, it is adaptable to which power transmission and transformation line and ac electric apparatus set
Standby protection, its quality, performance quality are directly connected to the whether safe of operation of power networks.Power transmission rod is arranged on existing arrester more
In parallel with insulator chain on tower, the lightning surge for limiting transmission line of electricity reduces lightning flashover rate.Due to transmission line of electricity
It is more much bigger than transformer station by thunder area, so the probability being struck by lightning is much larger than transformer station.With the continuous expansion of power network, transmission of electricity
Tripping operation that circuit causes, power outage are increasing.Prior art cannot ensure the security of lightning protection.
The content of the invention
The purpose of this utility model is to solve defect present in prior art, there is provided a kind of security performance is higher
Arrester.
In order to achieve the above object, the utility model provides a kind of high-voltage arrester, including insulator chain, arrester unit
Part I, unit of an arrester II, unit of an arrester III, insulator, first electrode, second electrode and firm banking;Unit of an arrester I,
One end of unit of an arrester II is connected with the two ends of insulator chain respectively;The two ends of insulator are another with unit of an arrester I respectively
One end is connected with one end of unit of an arrester III;The other end of the one end of unit of an arrester III also with unit of an arrester II is connected;
The other end of unit of an arrester III is fixed on firm banking;The two ends of insulator are relative respectively to be provided with first electrode and the second electricity
Pole.
Wherein, unit of an arrester I, unit of an arrester II are symmetrically set in the two ends of insulator chain along the axis of insulator chain
Lower section, and be in 60 ° with the angle of insulator chain;Unit of an arrester III located at the lower section of unit of an arrester II, and with insulator chain phase
Vertically;Insulator two ends are provided with connection gold utensil, and one end is connected by connection gold utensil with unit of an arrester I, other end connection gold utensil
It is connected with unit of an arrester III by wire;It is connected by wire between unit of an arrester II, unit of an arrester III.
The first electrode and second electrode at insulator two ends are outwards set.
The two ends of unit of an arrester II are outwards relative to be provided with the 3rd electrode and the 4th electrode.
Wire outside is provided with insulative pipe sleeve;Insulator and unit of an arrester III, unit of an arrester II and unit of an arrester III
Between be equipped with spring;Length of the length less than insulative pipe sleeve when spring extends naturally.
Connected by spring between unit of an arrester III and firm banking.
Unit of an arrester I, unit of an arrester II, unit of an arrester III include core body, full skirt shape insulating coating, pressure cap,
Bolt and support bar;Core body is in full skirt shape insulating coating;It is symmetrical in the axial direction between core body and full skirt shape insulating coating
It is provided with two support bars;Core body is respectively arranged at two ends with above-mentioned pressure cap with full skirt shape insulating coating, with by above-mentioned bolt presses;
The two ends of every support bar are separately fixed on corresponding pressure cap.
Insulative pipe sleeve and full skirt shape insulating coating use post-cure elastomeric material.
The utility model has advantages below compared to existing technology:
1st, series gap is formed by the air gap between the first electrode and second electrode at insulator two ends, works as thunder and lightning
Come interim, the quick guide of channels in series of unit of an arrester II and the composition of unit of an arrester III, subsequent clearance channel conducting is overall
The protection voltage of arrester reaches standard value;After thunder and lightning, air gap turns on closing, unit of an arrester II and unit of an arrester III
Recover high-impedance state, be achieved in lightning-arrest purpose, while strengthening its security for using, improve service life.
2nd, unit of an arrester is prepared using the elastomeric material of post-cure full skirt shape insulating coating and core composition structure,
Easy disassembly, while being used after the direct post-cure of rubber, it is to avoid core body therewith vulcanize after damage, improve and use
Life-span.Element for damaging is also convenient for changing.And improve by setting support bar between full skirt shape insulating coating and core body
Overall intensity, improves the stability of core body, it is ensured that the safe operation of arrester.
3rd, the wire that connection in series-parallel is used between each unit of an arrester is protected by insulating sleeve, enhances security
Can, at the same between protected by spring, acted on certain resilient support, further increase service life.
4th, unit of an arrester sets electrode and forms portable protective gaps in parallel by two ends, protects unit of an arrester.
5th, the utility model high-voltage arrester simple structure, easy for installation flexible, security performance is high, can effectively protect transmission of electricity
Line insulator string, reduces lightning flashover rate.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model high-voltage arrester;
Fig. 2 is the structural representation of unit of an arrester in Fig. 1.
In figure, 1- insulator chains, 2- unit of an arrester I, 3- unit of an arrester II, 4- unit of an arrester III, 5- insulators,
51- connection gold utensils, 6- first electrodes, 7- second electrodes, the electrodes of 8- the 3rd, the electrodes of 9- the 4th, 10- firm bankings, 11- springs,
12- insulative pipe sleeves, 13- wires, 14- connecting plates, 21- core bodys, 22- full skirt shape insulating coatings, 23- support bars, 24- pressure caps,
25- bolts.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the utility model high-voltage arrester and insulator chain unitary design, including insulator chain 1, three
Unit of an arrester, insulator 5, firm banking 10.Unit of an arrester use Zinc-Oxide Arrester, including unit of an arrester I 2,
Unit of an arrester II 3, unit of an arrester III 4.Unit of an arrester I 2, unit of an arrester II 3 are respectively along the axis of insulator chain 1
The two ends lower section of insulator chain 1 is symmetrically set in, is sloped inwardly, and be in 60 ° with the angle of insulator chain 1.Unit of an arrester III 4 hangs down
Directly located at the lower section of unit of an arrester II 3.Insulator 5 is respectively arranged at two ends with connection gold utensil 51, one end by connection gold utensil 51 with
Unit of an arrester I 2 is connected, and other end connection gold utensil 51 is connected by wire 13 with the upper end of unit of an arrester III 4.Arrester unit
The lower end connecting plate 14 of part II 3 is connected by wire 13 with the upper end connecting plate of unit of an arrester III 4.The outer circumferential side of wire 13 sets
There is insulative pipe sleeve 12.And between the side of insulative pipe sleeve 12, i.e. insulator 5 and unit of an arrester III 4, the and of unit of an arrester II 3
Spring 11 is equipped between unit of an arrester III 4, length when spring extends naturally passes through less than the length of insulative pipe sleeve 12
Spring 11 plays a part of resilient support, further protection wire 13.The both sides of the lower end connecting plate 14 of unit of an arrester III 4 are each
A spring 11 is provided with, is fixedly linked with firm banking 10 by spring.The two ends of insulator 5 are outwards relative respectively to be provided with first
Electrode 6 and second electrode 7.The two ends of unit of an arrester II 3 are outwards relative respectively to be provided with the 3rd electrode 8 and the 4th electrode 9.Pass through
The air gap between first electrode 6 and second electrode 7, the 3rd electrode 8 and the 4th electrode 9 formed respectively series connection portable protective gaps and
Portable protective gaps in parallel.
With reference to Fig. 2, unit of an arrester includes core body 21, full skirt shape insulating coating 22, pressure cap 24, bolt 25 and support bar
23.Core body 21 is in full skirt shape insulating coating 22;Symmetrically set in the axial direction between core body 21 and full skirt shape insulating coating 22
There are two support bars 23.Core body 21 is respectively arranged at two ends with pressure cap 24 with full skirt shape insulating coating 22, same to be compressed by bolt 25.
Support bar 23 uses insulating bar.The two ends of support bar 23 are separately fixed on corresponding pressure cap 24.Insulative pipe sleeve and full skirt shape are exhausted
Edge overcoat uses post-cure elastomeric material, increased the performance of elastomeric material, it is to avoid core body 21 is caused when together vulcanizing
Damage, and when partial component breaks down, need to only take arrester apart carries out part replacing, is integrally kept away without replacing
Thunder device element, it is easy to maintenance, and reduce cost.
Claims (8)
1. a kind of high-voltage arrester, it is characterised in that:Including insulator chain, unit of an arrester I, unit of an arrester II, arrester
Element III, insulator, first electrode, second electrode and firm banking;One end of the unit of an arrester I, unit of an arrester II
The two ends with the insulator chain are connected respectively;The two ends of the insulator respectively with the other end of unit of an arrester I and lightning-arrest
One end of device element III is connected;The other end of the one end of the unit of an arrester III also with the unit of an arrester II is connected;Institute
The other end for stating unit of an arrester III is fixed on the firm banking;The two ends of the insulator are relative respectively to be provided with the first electricity
Pole and second electrode.
2. high-voltage arrester according to claim 1, it is characterised in that:The unit of an arrester I, the edge of unit of an arrester II
The axis of the insulator chain is symmetrically set in the two ends lower section of the insulator chain, and is in 60 ° with the angle of insulator chain;Institute
State unit of an arrester III below the unit of an arrester II and perpendicular with the insulator chain;The insulator two ends
Connection gold utensil is provided with, one end is connected by connection gold utensil with unit of an arrester I, other end connection gold utensil passes through wire and arrester
Element III is connected;It is connected by wire between the unit of an arrester II, unit of an arrester III.
3. high-voltage arrester according to claim 2, it is characterised in that:The first electrode and second at the insulator two ends
Electrode is outwards set.
4. high-voltage arrester according to claim 3, it is characterised in that:The two ends of the unit of an arrester II are outwards relative
It is provided with the 3rd electrode and the 4th electrode.
5. high-voltage arrester according to claim 4, it is characterised in that:The wire outside is provided with insulative pipe sleeve;It is described
Spring is equipped between insulator and unit of an arrester III, unit of an arrester II and unit of an arrester III;The spring nature
Length of the length less than insulative pipe sleeve during elongation.
6. high-voltage arrester according to claim 5, it is characterised in that:Between the unit of an arrester III and firm banking
Connected by spring.
7. high-voltage arrester according to claim 6, it is characterised in that:The unit of an arrester I, unit of an arrester II,
Unit of an arrester III includes core body, full skirt shape insulating coating, pressure cap, bolt and support bar;The core body is located at the full skirt
In shape insulating coating;Two support bars are arranged between the core body and full skirt shape insulating coating in the axial direction;The core
Body is respectively arranged at two ends with the pressure cap with full skirt shape insulating coating, with by the bolt presses;The two ends of the support bar
It is separately fixed on corresponding pressure cap.
8. high-voltage arrester according to claim 7, it is characterised in that:The insulative pipe sleeve and full skirt shape insulating coating are equal
Using post-cure elastomeric material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621446943.8U CN206293767U (en) | 2016-12-27 | 2016-12-27 | A kind of high-voltage arrester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621446943.8U CN206293767U (en) | 2016-12-27 | 2016-12-27 | A kind of high-voltage arrester |
Publications (1)
Publication Number | Publication Date |
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CN206293767U true CN206293767U (en) | 2017-06-30 |
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CN201621446943.8U Active CN206293767U (en) | 2016-12-27 | 2016-12-27 | A kind of high-voltage arrester |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112467677A (en) * | 2020-11-20 | 2021-03-09 | 合肥易来电科技有限公司 | Novel lightning arrester for outdoor power transmission line |
-
2016
- 2016-12-27 CN CN201621446943.8U patent/CN206293767U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112467677A (en) * | 2020-11-20 | 2021-03-09 | 合肥易来电科技有限公司 | Novel lightning arrester for outdoor power transmission line |
CN112467677B (en) * | 2020-11-20 | 2022-06-07 | 国网安徽省电力有限公司来安县供电公司 | Novel lightning arrester for outdoor power transmission line |
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