CN201478014U - Composite insulator for extra-high voltage wire leading-in-out bushing - Google Patents
Composite insulator for extra-high voltage wire leading-in-out bushing Download PDFInfo
- Publication number
- CN201478014U CN201478014U CN2009202257429U CN200920225742U CN201478014U CN 201478014 U CN201478014 U CN 201478014U CN 2009202257429 U CN2009202257429 U CN 2009202257429U CN 200920225742 U CN200920225742 U CN 200920225742U CN 201478014 U CN201478014 U CN 201478014U
- Authority
- CN
- China
- Prior art keywords
- high voltage
- composite insulator
- ultra high
- shading ring
- glass fiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012212 insulator Substances 0.000 title claims abstract description 33
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 230000007306 turnover Effects 0.000 claims description 23
- 239000003365 glass fiber Substances 0.000 claims description 18
- 238000012216 screening Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 abstract 4
- 239000000758 substrate Substances 0.000 abstract 1
- 229910052573 porcelain Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
Landscapes
- Insulators (AREA)
Abstract
The utility model discloses a composite insulator for an extra-high voltage wire leading-in-out bushing, which comprises a fiber-glass cylinder, a lower flange, an upper flange, an equivalent spherical shielding device and a ground-potential shielding ring, wherein the interior of the fiber-glass cylinder is used for holding a wire leading-in-out element; the lower flange is fixedly connected with the lower end of the fiber-glass cylinder and is used for joining a bushing substrate; the upper flange is fixedly connected with the upper end of the fiber-glass cylinder; the equivalent spherical shielding device is arranged at the upper side of the upper flange; and the ground-potential shielding ring is arranged on the lower flange. The composite insulator has long service life and strong radio interference resistance.
Description
(1) technical field
The utility model relates to a kind of ultra high voltage turnover thread casing composite insulator, particularly relates to a kind of outdoor open type power distribution equipment and passes in and out the thread casing composite insulator with high pressure GIS.Wherein GIS refers to Gas Insulated Switchgear, i.e. gas insulated combined electric appliance equipment, and it is mainly all combined bus, circuit breaker, CT, PT, isolating switch, lightning arrester, also is high voltage distribution installation.
(2) background technology
Ultra high voltage english abbreviation UHV, in China, ultra high voltage is meant and exchanges 500 kilovolts and the positive and negative electric pressure more than 500 kilovolts of direct current.
Traditional turnover thread casing mainly is by making as pottery or glass (a kind of insulating material) with insulator, in the insulating sleeve technical field, insulator as insulating element, promptly the parts of being made by pottery or glass had both born mechanical load, bear electrical load again, along with the raising of electric pressure, what the suffered electromechanics of sleeve pipe was loaded increases the weight of, and the situation of air pollution now, porcelain or glass bushing in use expose its intrinsic defective.Mainly show as: insulation property reduce under the filthy condition, wetly dodge, pollution flashover voltage is low; Mechanical strength is difficult to satisfy service requirement, and is easily broken; Complex manufacturing, rate of finished products are extremely low.
The ultra-high voltage hollow sleeve pipe that is used at present power plant, substation equipment both at home and abroad is a porcelain bushing, because electric pressure height, electric, mechanical performance requires high, complex manufacturing, the ultra-large type composite hollow sleeve pipe with high reliability, high security that the 1000kV extra-high voltage equipment is used is not also succeeded in developing.
(3) summary of the invention
The utility model provides a kind of structural strength height at the above-mentioned defective of present prior art, long service life, the ultra high voltage turnover thread casing composite insulator that anti-radio interference ability is strong.
The technical solution adopted in the utility model is:
The utility model ultra high voltage turnover thread casing composite insulator, it comprises:
Glass fiber packages, its inside is used to be provided with the turnover kind of thread elements;
Lower flange is fixedly connected on described glass fiber packages lower end, is used for and being connected of cannula base;
Upper flange is fixedly connected on described glass fiber packages upper end;
The spherical screening arrangement of equivalence is arranged at described upper flange upside; And
The earth potential shading ring is arranged on the described lower flange.
Ultra high voltage turnover thread casing according to technical solutions of the utility model then adopts glass fiber packages to substitute traditional porcelain tube with compound inslation, its tensile strength can reach 300Mpa, tensile strength far above porcelain 40Mpa, mechanical strength is than higher, and its density is less than the density of porcelain, under the same structural strength, weight alleviates greatly.
The influence that screening arrangement can effectively reduce external electrical field is set in addition, especially adopts equivalent spherical screening arrangement, have good shield effectiveness.
Above-mentioned ultra high voltage turnover thread casing composite insulator, the described glass fiber packages outside is provided with the silicon rubber full skirt.
Above-mentioned ultra high voltage turnover thread casing composite insulator, described umbrella shape suit of skirt is one group by diameter with large and small, middle or small each a slice, the adjacent successively arrangement of many groups forms.
Above-mentioned ultra high voltage turnover thread casing composite insulator, the spherical screening arrangement of described equivalence mainly is positioned at the shading ring that constitutes equatorial circumference by one, and the middle shading ring and the two little shading rings compositions that occupy the formation parallel of these shading ring both sides in two minutes; Constitute the shading ring of this equivalence spherical shield device, and the logical peraluminous support of described earth potential shading ring is installed on the corresponding installation matrix.
Above-mentioned ultra high voltage turnover thread casing composite insulator also comprises the radiator that is arranged between spherical screening arrangement of described equivalence and the described glass fiber packages.
Above-mentioned ultra high voltage turnover thread casing composite insulator, described upper and lower flange, and shading ring, equivalent spherical screening arrangement and apparatus casing material are aluminium alloy ZL101A.
Above-mentioned ultra high voltage turnover thread casing composite insulator, described upper and lower flange is equipped with sealing plate, to improve the air-tightness under the insulator installment state, is convenient to fill Compressed Gas.
(4) description of drawings
Specifying architectural feature of the present utility model below in conjunction with Figure of description, is that those skilled in the art better understands the utility model, wherein:
Fig. 1 is the structural representation that ultra high voltage turnover thread casing is used composite insulator among the utility model embodiment.
Among the figure: 1, go up shading ring, 2, middle shading ring, 3, upper sealing panel, 4, shading ring down, 5, radiator, 6, upper flange, 7, glass fiber packages, 8, the earth potential shading ring, 9, lower flange, 10, the lower seal plate.
(5) embodiment
With reference to explanation accompanying drawing 1, present embodiment ultra high voltage turnover thread casing composite insulator, it comprises:
Glass fiber packages 7, its inside is used to be provided with the turnover kind of thread elements;
Lower flange 9 is fixedly connected on described glass fiber packages lower end, is used for and being connected of cannula base;
Upper flange 6 is fixedly connected on described glass fiber packages upper end;
The spherical screening arrangement of equivalence is arranged at described upper flange upside; And
Earth potential shading ring 8 is arranged on the described lower flange.
For the moisture-resistant that improves insulator dodges, the pollution flashover performance, the described glass fiber packages outside is provided with the silicon rubber full skirt, can adopt Shooting Technique that the liquid silastic of high-quality is injected directly into described glass fibre tube outer surface and form through high temperature vulcanized.
Said moisture-resistant dodges, the pollution flashover performance in order further to improve, and described umbrella shape suit of skirt is one group by diameter with large and small, middle or small each a slice, and the adjacent successively arrangement of many groups forms.
For simplified structure, and save cost, the spherical screening arrangement of described equivalence mainly is positioned at the shading ring that constitutes equatorial circumference by one, and the middle shading ring 2 and two little shading rings 1 compositions that occupy the formation parallel of these shading ring both sides in two minutes; Constitute the shading ring of this equivalence spherical shield device, and the logical peraluminous support of described earth potential shading ring is installed on the corresponding installation matrix.This structure not only can solve the cost of manufacture problem of higher, and can play the same effect of spherical shield device.
In order to solve the heat dissipation problem of insulator, this composite insulator also comprises the radiator that is arranged between spherical screening arrangement of described equivalence and the described glass fiber packages.
In order to improve Corrosion Protection, described upper and lower flange, and shading ring, equivalent spherical screening arrangement and apparatus casing material are aluminium alloy ZL101A.
The related composite insulator of this programme is mainly used on the composite bushing of gas as dielectric, therefore need to consider its air-tightness, described upper and lower flange is equipped with sealing plate, to improve the air-tightness under the insulator installment state, is convenient to fill Compressed Gas.
In addition, consider the air-tightness problem, compressed air can produce in insulator and leak, thus the checkout gear of the said gas pressure of a detection need be set, such as a density monitor or other gas pressure detection unit are set on said lower flange.
Claims (7)
1. a ultra high voltage passes in and out the thread casing composite insulator, it is characterized in that it comprises:
Glass fiber packages (7), its inside is used to be provided with the turnover kind of thread elements;
Lower flange (9) is fixedly connected on described glass fiber packages lower end, is used for and being connected of cannula base;
Upper flange (6) is fixedly connected on described glass fiber packages upper end;
The spherical screening arrangement of equivalence is arranged at described upper flange upside; And
Earth potential shading ring (8) is arranged on the described lower flange.
2. ultra high voltage turnover thread casing composite insulator according to claim 1, it is characterized in that: the described glass fiber packages outside is provided with the silicon rubber full skirt.
3. ultra high voltage turnover thread casing composite insulator according to claim 2, it is characterized in that: described umbrella shape suit of skirt is one group by diameter with large and small, middle or small each a slice, the adjacent successively arrangement of many groups forms.
4. according to the described ultra high voltage turnover of one of claim 1 to 3 thread casing composite insulator, it is characterized in that: the spherical screening arrangement of described equivalence mainly is positioned at the shading ring that constitutes equatorial circumference by one, and the middle shading ring (2) and two little shading rings (1) composition that occupy the formation parallel of these shading ring both sides in two minutes; Constitute the shading ring of this equivalence spherical shield device, and the logical peraluminous support of described earth potential shading ring is installed on the corresponding installation matrix.
5. ultra high voltage turnover thread casing composite insulator according to claim 4 is characterized in that: also comprise the radiator that is arranged between spherical screening arrangement of described equivalence and the described glass fiber packages.
6. ultra high voltage turnover thread casing composite insulator according to claim 5 is characterized in that: described upper and lower flange, and shading ring, equivalent spherical screening arrangement and apparatus casing material are aluminium alloy ZL101A.
7. ultra high voltage turnover thread casing composite insulator according to claim 6, it is characterized in that: described upper and lower flange is equipped with sealing plate, to improve the air-tightness under the insulator installment state, is convenient to fill Compressed Gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257429U CN201478014U (en) | 2009-09-04 | 2009-09-04 | Composite insulator for extra-high voltage wire leading-in-out bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257429U CN201478014U (en) | 2009-09-04 | 2009-09-04 | Composite insulator for extra-high voltage wire leading-in-out bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478014U true CN201478014U (en) | 2010-05-19 |
Family
ID=42414272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202257429U Expired - Lifetime CN201478014U (en) | 2009-09-04 | 2009-09-04 | Composite insulator for extra-high voltage wire leading-in-out bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478014U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413636A (en) * | 2013-08-19 | 2013-11-27 | 中国能建集团装备有限公司北京技术中心 | Extra-high voltage direct current strut composite insulator provided with inner shielding electrodes |
| CN110473678A (en) * | 2019-08-02 | 2019-11-19 | 江苏神马电力股份有限公司 | Composite insulator |
-
2009
- 2009-09-04 CN CN2009202257429U patent/CN201478014U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413636A (en) * | 2013-08-19 | 2013-11-27 | 中国能建集团装备有限公司北京技术中心 | Extra-high voltage direct current strut composite insulator provided with inner shielding electrodes |
| CN103413636B (en) * | 2013-08-19 | 2016-04-20 | 中国能建集团装备有限公司北京技术中心 | A kind of extra-high voltage direct-current post composite insulator being configured with inner shield electrode |
| CN110473678A (en) * | 2019-08-02 | 2019-11-19 | 江苏神马电力股份有限公司 | Composite insulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201498284U (en) | Ultra-high pressure GIS wire inlet and outlet composite insulating sleeve | |
| CN104952562A (en) | Anti-thunder and anti-icing pin type composite insulator for 10kV power transmission line | |
| CN102024543B (en) | Composite insulator support fixing gap line type arrester | |
| CN101650994A (en) | suspension insulator | |
| CN101645337B (en) | Compound insulating sleeve of extra-high voltage GIS incoming and outgoing line | |
| CN201478014U (en) | Composite insulator for extra-high voltage wire leading-in-out bushing | |
| CN101442197A (en) | Configuration structure for homo-tower dual-loop compact transmission line insulator equalizing ring | |
| CN101127264A (en) | Multifunctional needle type composite insulator | |
| CN204834220U (en) | Miniaturized pot -type metal oxide arrester of 110kV three -phase | |
| CN106159845A (en) | A kind of extra-high voltage SF6 gas-insulated wall bushing | |
| CN109786046B (en) | 500kV line lightning-proof anti-icing flashover composite insulator | |
| CN203573757U (en) | Supporting assembly with lightning-protection function | |
| CN203193126U (en) | Extra high tension wall bushing | |
| CN103107043B (en) | High voltage out-door disconnector | |
| CN201069685Y (en) | Multi-function pin compound insulator | |
| CN201629495U (en) | Wall-through shielded bushing of high-voltage switchgear cabinet | |
| CN2852338Y (en) | Composite casing zinc oxide lightning arrester | |
| CN201450327U (en) | Overvoltage protector with release device | |
| CN201191751Y (en) | Cable terminal head | |
| CN209312497U (en) | 500kV Line Lightning Protection and Ice Flash Composite Insulator | |
| CN104319162A (en) | Vacuum circuit breaker solid-sealed polar pole | |
| CN212136361U (en) | Sealed manufacturing device for SF6 pole-mounted circuit breaker insulating sleeve | |
| CN204732237U (en) | For the lightning-protection ice needle type composite insulator of 10kV transmission line | |
| CN104022444A (en) | Rod-shaped suspended voltage limiter for overhead line | |
| CN204496992U (en) | A kind of insulator supports fixed interval (FI) overvoltage protection device |
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: 20100519 |