CN102005271B - Sectional extra-high-voltage composite post insulator with inner umbrella structure - Google Patents
Sectional extra-high-voltage composite post insulator with inner umbrella structure Download PDFInfo
- Publication number
- CN102005271B CN102005271B CN2010105962508A CN201010596250A CN102005271B CN 102005271 B CN102005271 B CN 102005271B CN 2010105962508 A CN2010105962508 A CN 2010105962508A CN 201010596250 A CN201010596250 A CN 201010596250A CN 102005271 B CN102005271 B CN 102005271B
- Authority
- CN
- China
- Prior art keywords
- grading ring
- component
- compound inslation
- inslation sub
- extraction tube
- 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.)
- Active
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The invention relates to a sectional extra-high-voltage composite post insulator with an inner umbrella structure. The composite post insulator comprises a first composite insulator component, a second composite insulator component, a third composite insulator component and a fourth composite insulator component which are successively connected in series through flanges; each composite insulator component contains a hollow insulation pipe, and an upper flange and a lower flange which are sleeved on the both ends of the hollow insulation pipe; the glass epoxy material is wound to obtain the hollow insulation pipe; the outer umbrella prepared from high temperature vulcanized silicone rubber is formed on the outer wall of the hollow insulation pipe through overall injection; the inner wall of the hollow insulation pipe is provided with an inner umbrella which is an annular glass fibre board; and a silicone rubber layer is covered on the outer surface of the annular glass fibre board. The invention has the advantages of high mechanical strength, high pollution flashover resistance and convenient methods of installation and transportation.
Description
Technical field
The present invention relates to ultra-high-tension power transmission line and use insulator technology, particularly relate to a kind of segment type ultra-high-voltage post composite insulator with interior umbrella skirt construction.
Background technology
In the prior art, post insulator is a kind of special insulation control, in transformer station, supports converting equipment and corresponding electromechanical properties are arranged.According to the difference of insulating material, insulator can be divided into porcelain insulator, glass insulator and composite insulator.Wherein, composite insulator is compared porcelain insulator and glass insulator, and is in light weight, antifouling property is excellent, mechanical strength is better.
The high-voltage strut composite insulator of prior art generally is that connection gold utensil and the external shed sheath by plug, plug two ends constitutes, and plug is generally the real core plug of glass-epoxy pulling or winding.Wherein, the glass-epoxy plug bears mechanical load as supporter, but the glass-epoxy diameter of mandrel can't feel free to do greatly, and its mechanical strength of bearing is limited, and the inwall moisture absorption also is prone to take place electric conduction phenomena after making moist.Therefore, this insulator exists that mechanical strength is not enough, the problem of built-in electrical insulation poor performance; On the other hand,, add Electrostatic Absorption, the arc current that the insulator of extra-high voltage direct-current transmission is in operation and do not have situation such as zero crossing because the ultra-high direct-current transmission voltage grade is high, therefore very harsh to the requirement of external insulation leakage distance.For the insulator that satisfies extra-high voltage direct-current transmission has enough big external insulation leakage distance; Must select satisfactory structure height for use; So that the post composite insulator length of extra-high voltage direct-current transmission is not less than 11 meters basically; Weight reaches more than the 100kg, causes insulator in transportation, installation and maintenance process, to have many difficulties thus.
Therefore, to deficiency of the prior art, need badly and provide that a kind of mechanical strength is high, resistant dodges that ability is strong, the post composite insulator of transportation, UHV transmission easy to installation and maintenance.
Summary of the invention
The objective of the invention is to avoid weak point of the prior art and provide that a kind of mechanical strength is high, resistant dodges that ability is strong, the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the transportation, band easy to installation and maintenance.
The object of the invention is realized through following technical measures:
A kind of segment type ultra-high-voltage post composite insulator with interior umbrella skirt construction is provided; Include the first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component that are connected in series successively through flange; The said first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component include the hollow insulated tube respectively, are sleeved on the upper flange and the lower flange at hollow insulated tube two ends; Said hollow insulated tube is wound in tubulose by glass-epoxy; The outer wall general injection of said hollow insulated tube has the external shed of high-temperature silicon disulfide rubber; The inwall of said hollow insulated tube is provided with interior full skirt; Full skirt is set to the annular glass fibre plectane in said, and the outer surface of said annular glass fibre plectane covers and is equipped with silastic-layer.
Wherein, said in full skirt constitute by a plurality of annular glass fibre plectanes, said annular glass fibre plectane all vacuum impregnation silicon rubber, said in full skirt and the clamping of said hollow insulated tube inwall, bonding or sulfuration formula be connected.
Wherein, The said first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component are respectively arranged with extraction tube device and following extraction tube device; Said hollow insulated tube is positioned at the sidewall that connects upper flange and lower flange and offers fairlead respectively, and said upward extraction tube device stretches out from this fairlead respectively with following extraction tube device and is individually fixed in the screw of said upper flange and lower flange.
Wherein, The said extraction tube device of going up is respectively arranged with extraction tube, air valve and plug nut with following extraction tube device; Said extraction tube stretches out and is fixed in the screw of said upper flange or lower flange from said fairlead; Said air valve is arranged in said extraction tube, and said plug fixed by nut is bolted in an end that stretches out the hollow insulated tube of said extraction tube.
Wherein, the said extraction tube of extraction tube device down is equipped with air gauge.
Wherein, said upper flange and lower flange and said hollow insulated tube junction are filled with composite epoxy resin, and said upper flange and lower flange are provided with reinforcement.
Wherein, the both ends of the said first compound inslation sub-component are provided with first grading ring and second grading ring respectively, and said first grading ring and second grading ring are individually fixed in said upper flange and lower flange through support; The both ends of the said second compound inslation sub-component are provided with the 3rd grading ring and the 4th grading ring respectively, and said the 3rd grading ring and the 4th grading ring are individually fixed in said upper flange and lower flange through support; The both ends of said the 3rd compound inslation sub-component are provided with the 5th grading ring and the 6th grading ring respectively, and said the 5th grading ring and the 6th grading ring are individually fixed in said upper flange and lower flange through support; The upper end of said the 4th compound inslation sub-component is provided with the 7th grading ring, and said the 7th grading ring is fixedly connected with said upper flange through support.
Wherein, said first grading ring, second grading ring, the 3rd grading ring, the 4th grading ring, the 5th grading ring, the 6th grading ring and the 7th grading ring are the annulus that aluminum pipe is processed.
Wherein, Said first grading ring is the annulus of diameter 1120mm; Said second grading ring, the 3rd grading ring, the 4th grading ring, the 5th grading ring, the 6th grading ring and the 7th grading ring are the annulus of diameter 800mm, and said annulus is the annulus that aluminum pipe is processed, and said aluminum pipe wall thickness is 3mm.
Wherein, The aluminum pipe caliber of said first grading ring is 120mm; The aluminum pipe caliber of said second grading ring and the 3rd grading ring is 100mm, and the aluminum pipe caliber of said the 4th grading ring and the 5th grading ring is 80mm, and the aluminum pipe caliber of said the 6th grading ring and the 7th grading ring is 60mm.
Beneficial effect of the present invention:
The segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band provided by the invention; Include the first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component that are connected in series successively through flange; The said first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component include the hollow insulated tube respectively, are sleeved on the upper flange and the lower flange at hollow insulated tube two ends; Said hollow insulated tube is wound in tubulose by glass-epoxy; The outer wall general injection of said hollow insulated tube has the external shed of high-temperature silicon disulfide rubber; The inwall of said hollow insulated tube is provided with interior full skirt; Full skirt is set to the annular glass fibre plectane in said, and the outer surface of said annular glass fibre plectane covers and is equipped with silastic-layer.Adopt above-mentioned ultra-high voltage compound brace insulator with interior umbrella skirt construction; Interior full skirt has not only increased the part of the force of hollow insulated tube; Improved the mechanical strength of the bending resistance of hollow insulated tube, resistance to compression, twisting resistance, and interior full skirt outer surface covers and is equipped with silastic-layer, so that composite post insulator inside has enough creepage distances; Need not fill insulating gass such as SF6, keep insulation property reliably and with long-term.And, for the ultra high voltage insulator, must select satisfactory structure height for use; So that ultra-high-voltage post composite insulator length basically can not be less than 11 meters; Its weight is reached more than the 100kg, in transportation, installation and maintenance, have many difficulties, and the mode that the present invention is four composite high voltage insulator assemblies with whole ultra-high-voltage post composite insulator merogenesis; Can be convenient to be connected in series and dismantle, solve the problem of installing and transporting.Therefore, in the band of the present invention the segment type ultra-high-voltage post composite insulator of umbrella skirt construction have compared with prior art that mechanical strength height, resistant dodge that ability is strong, the advantage of installation and convenient transportation, particularly satisfied the requirement of the above ultra-high-tension power transmission line of 220kV.
Description of drawings
Utilize accompanying drawing that the present invention is described further, but the embodiment in the accompanying drawing does not constitute any restriction of the present invention.
Fig. 1 is the structural representation of the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band of the present invention.
Fig. 2 is the structural representation of the first compound inslation sub-component of the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band of the present invention.
Fig. 3 is the local structure for amplifying sketch map at A place among Fig. 2.
Fig. 4 is the local structure for amplifying sketch map at B place among Fig. 2.
In Fig. 1 to Fig. 4, include:
The first compound inslation sub-component 1, first grading ring 101, second grading ring 102;
The second compound inslation sub-component 2, the 3rd grading ring 201, the 4th grading ring 202;
The 3rd compound inslation sub-component 3, the 5th grading ring 301, the 6th grading ring 302;
The 4th compound inslation sub-component 4, the 7th grading ring 401;
Last extraction tube device 6, extraction tube 61, air valve 62, plug nut 63;
Following extraction tube device 7, extraction tube 71, air valve 72, plug nut 73, air gauge 74;
Interior full skirt 8, annular glass fibre plectane 81;
Hollow insulated tube 10;
Embodiment
In conjunction with following examples the present invention is further described.
The embodiment 1 of the segment type ultra-high-voltage post composite insulator of umbrella skirt construction is shown in Fig. 1, Fig. 2, Fig. 3 and 4 in the band of the present invention; Include the first compound inslation sub-component 1 that is connected in series successively through flange, the second compound inslation sub-component 2, the 3rd compound inslation sub-component 3 and the 4th compound inslation sub-component 4; The first compound inslation sub-component 1, the second compound inslation sub-component 2, the 3rd compound inslation sub-component 3 and the 4th compound inslation sub-component 4 include respectively: hollow insulated tube 10, the upper flange 11 that is sleeved on hollow insulated tube 10 two ends and lower flange 12; Hollow insulated tube 10 is wound in tubulose by glass-epoxy; In plaing a part insulation and bear that machinery is curved, pressure, torsion; The outer wall general injection of the hollow insulated tube 10 between upper flange 11 and the lower flange 12 has the external shed 5 of high-temperature silicon disulfide rubber; External shed 5 also is the alternately arrangement of big umbellule, thereby has kept the insulation property of hollow insulated tube 10 outsides.
In the present embodiment; Hollow insulated tube 10 inwalls are provided with interior full skirt 8; Interior full skirt 8 can be to be made up of a plurality of annular glass fibre plectanes 81, the inwall clamping of annular glass fibre plectane 81 and hollow insulated tube 10, all annular glass fibre plectanes 81 all vacuum impregnation silicon rubber; Its outer surface is coated with silastic-layer; Adopt the inwall of the ultra-high voltage compound brace insulator of umbrella skirt construction in this to have enough creepage distances, interior full skirt 8 outer surfaces are coated with silastic-layer, because the hydrophobicity performance of silicon rubber suppresses the leakage current of insulator inner surface; Surface arcing is difficult for development, so that inner sufficiently high pollution flashover voltage and the insulation property reliably and with long-term of keeping of ultra-high voltage compound brace insulator.Interior full skirt 8 except clamping, also can adopt bonding with the connected mode of hollow insulated tube 10 inwalls or the sulfuration formula is connected.
In the present embodiment; As embodiment preferred; Interior full skirt is avoided long-term use; The interior insulation that possibly bring because of factor such as aging descends, and in order to improve its useful life, the first compound inslation sub-component 1, the second compound inslation sub-component 2, the 3rd compound inslation sub-component 3 and the 4th compound inslation sub-component 4 can also be respectively arranged with extraction tube device 6 and following extraction tube device 7; Hollow insulated tube 10 is positioned at the sidewall that connects upper flange 11 and lower flange 12 and offers fairlead respectively, and last extraction tube device 6 stretches out from this fairlead respectively with following extraction tube device 7 and is individually fixed in the screw of upper flange 11 and lower flange 12.Last extraction tube device 6 is provided with extraction tube 61, air valve 62 and plug nut 63; Extraction tube 61 stretches out and is fixed in the screw of upper flange 11 from fairlead; Air valve 62 connects an end that stretches out hollow insulated tube 10 that places extraction tube 61, plug nut 63 fixedly to be bolted in extraction tube 61.Following extraction tube device 7 includes extraction tube 71, air valve 72 and plug nut 73; Extraction tube 71 stretches out and is fixed in the screw of lower flange 12 from fairlead; Air valve 72 is arranged in extraction tube 71, and plug nut 73 fixedly is bolted in an end that stretches out hollow insulated tube 1 of extraction tube 71.
Concrete, last extraction tube device 6 can be connected with the insulating gas source with following extraction tube device 7, and extraction tube 61, extraction tube 71 are distinguished one as air inlet, and another is as the gas outlet.During use, open air valve 62, close air valve 72, can in hollow insulated tube 10 hollow, charge into insulating gas, extraction tube 71 is provided with air gauge 74, is used to control the pressure that in hollow insulated tube 10, charges into insulating gas.Use extraction tube device 6 and following extraction tube device 7 on this; In hollow insulated tube 10, fill insulating gas; Can prevent the decreased performance that factors such as the interior full skirt of insulator is aging cause; Be not enough to resist the phenomenon that conduction takes place after the inwall moisture absorption is made moist, further improved the insulation property of hollow insulated tube 10 inside.
Concrete, upper flange 11 is filled with composite epoxy resin with lower flange 12 and hollow insulated tube 10 junctions, is fixedly connected through the two ends of mucilage binding with hollow insulated tube 10, has guaranteed mechanical strength thus.Upper flange 11 is formed by cast steel or alloy aluminum casting with lower flange 12, has 16 screwed holes, so that install, upper flange 11 is provided with reinforcement with lower flange 12.During installation, the element of upper flange 11 and lower flange 12 and hollow insulated tube 10 outer wall general injection external sheds is carried out mucilage binding fix.
The embodiment 2 of the segment type ultra-high-voltage post composite insulator of umbrella skirt construction is shown in Fig. 1, Fig. 2, Fig. 3 and 4 in the band of the present invention; The both ends of the first compound inslation sub-component 1 are provided with first grading ring 101 and second grading ring, 102, the first grading rings 101 and second grading ring 102 respectively and are individually fixed in upper flange 11 and lower flange 12 through support 9; The both ends of the second compound inslation sub-component 2 are provided with the 3rd grading ring 201 and the 4th grading ring 202, the three grading rings 201 and the 4th grading ring 202 respectively and are individually fixed in upper flange 11 and lower flange 12 through support 9; The both ends of the 3rd compound inslation sub-component 3 are provided with the 5th grading ring 301 and the 6th grading ring 302, the five grading rings 301 and the 6th grading ring 302 respectively and are individually fixed in upper flange 11 and lower flange 12 through support 9; The upper end of the 4th compound inslation sub-component 4 is provided with the 7th grading ring 401, the seven grading rings 401 and is fixedly connected with upper flange 11 through support 9.
Concrete; When the first compound inslation sub-component 1, the second compound inslation sub-component 2, the 3rd compound inslation sub-component 3 and 4 series connection of the 4th compound inslation sub-component together and be used for ± during the rated voltage of 800kV, first grading ring 101, second grading ring 102, the 3rd grading ring 201, the 4th grading ring 202, the 5th grading ring 301, the 6th grading ring 302 and the 7th grading ring 401 pressure rings can evenly distribute whole voltage.
Concrete, first grading ring 101, second grading ring 102, the 3rd grading ring 201, the 4th grading ring 202, the 5th grading ring 301, the 6th grading ring 302 and the 7th grading ring 401 are the annulus that aluminum pipe is processed.
Further; First grading ring 101 is the annulus of diameter 1120mm; Second grading ring 102, the 3rd grading ring 201, the 4th grading ring 202, the 5th grading ring 301, the 6th grading ring 302 and the 7th grading ring 401 are the annulus of diameter 800mm, and annulus is that aluminum pipe is processed, and the aluminum pipe wall thickness is 3mm.
More concrete; The aluminum pipe caliber of first grading ring 101 is 120mm; The aluminum pipe caliber of second grading ring 102 and the 3rd grading ring 201 is 100mm; The aluminum pipe caliber of the 4th grading ring 202 and the 5th grading ring 301 is 80mm, and the aluminum pipe caliber of the 6th grading ring 302 and the 7th grading ring 401 is 60mm.
Should be noted that at last; Above embodiment is only in order to technical scheme of the present invention to be described but not to the restriction of protection range of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (8)
1. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in being with; It is characterized in that: include the first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component that are connected in series successively through flange; The said first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component include the hollow insulated tube respectively, are sleeved on the upper flange and the lower flange at hollow insulated tube two ends; Said hollow insulated tube is wound in tubulose by glass-epoxy; The outer wall general injection of said hollow insulated tube has the external shed of high-temperature silicon disulfide rubber; The inwall of said hollow insulated tube is provided with interior full skirt; Full skirt is set to the annular glass fibre plectane in said, and the outer surface of said annular glass fibre plectane covers and is equipped with silastic-layer;
The said first compound inslation sub-component, the second compound inslation sub-component, the 3rd compound inslation sub-component and the 4th compound inslation sub-component are respectively arranged with extraction tube device and following extraction tube device; The sidewall that said hollow insulated tube connects upper flange and lower flange offers fairlead respectively, and said upward extraction tube device stretches out from this fairlead respectively with following extraction tube device and is individually fixed in the screw of said upper flange and lower flange;
The said extraction tube device of going up is respectively arranged with extraction tube, air valve and plug nut with following extraction tube device; Said extraction tube stretches out and is fixed in the screw of said upper flange or lower flange from said fairlead; Said air valve is arranged in said extraction tube, and said plug fixed by nut is bolted in an end that stretches out the hollow insulated tube of said extraction tube.
2. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 1; It is characterized in that: full skirt is made up of a plurality of annular glass fibre plectanes in said; Said annular glass fibre plectane all vacuum impregnation silicon rubber, said in full skirt and the clamping of said hollow insulated tube inwall, bonding or sulfuration formula be connected.
3. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 1 is characterized in that: the said extraction tube of extraction tube device down is equipped with air gauge.
4. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 1; It is characterized in that: said upper flange and lower flange and said hollow insulated tube junction are filled with composite epoxy resin, and said upper flange and lower flange are provided with reinforcement.
5. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 1; It is characterized in that: the both ends of the said first compound inslation sub-component are provided with first grading ring and second grading ring respectively, and said first grading ring and second grading ring are individually fixed in said upper flange and lower flange through support; The both ends of the said second compound inslation sub-component are provided with the 3rd grading ring and the 4th grading ring respectively, and said the 3rd grading ring and the 4th grading ring are individually fixed in said upper flange and lower flange through support; The both ends of said the 3rd compound inslation sub-component are provided with the 5th grading ring and the 6th grading ring respectively, and said the 5th grading ring and the 6th grading ring are individually fixed in said upper flange and lower flange through support; The upper end of said the 4th compound inslation sub-component is provided with the 7th grading ring, and said the 7th grading ring is fixedly connected with said upper flange through support.
6. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 5, it is characterized in that: said first grading ring, second grading ring, the 3rd grading ring, the 4th grading ring, the 5th grading ring, the 6th grading ring and the 7th grading ring are the annulus that aluminum pipe is processed.
7. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 6; It is characterized in that: said first grading ring is the annulus of diameter 1120mm; Said second grading ring, the 3rd grading ring, the 4th grading ring, the 5th grading ring, the 6th grading ring and the 7th grading ring are the annulus of diameter 800mm; Said annulus is the annulus that aluminum pipe is processed, and said aluminum pipe wall thickness is 3mm.
8. the segment type ultra-high-voltage post composite insulator of umbrella skirt construction in the band according to claim 7; It is characterized in that: the aluminum pipe caliber of said first grading ring is 120mm; The aluminum pipe caliber of said second grading ring and the 3rd grading ring is 100mm; The aluminum pipe caliber of said the 4th grading ring and the 5th grading ring is 80mm, and the aluminum pipe caliber of said the 6th grading ring and the 7th grading ring is 60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105962508A CN102005271B (en) | 2010-12-20 | 2010-12-20 | Sectional extra-high-voltage composite post insulator with inner umbrella structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105962508A CN102005271B (en) | 2010-12-20 | 2010-12-20 | Sectional extra-high-voltage composite post insulator with inner umbrella structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102005271A CN102005271A (en) | 2011-04-06 |
| CN102005271B true CN102005271B (en) | 2012-07-25 |
Family
ID=43812543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105962508A Active CN102005271B (en) | 2010-12-20 | 2010-12-20 | Sectional extra-high-voltage composite post insulator with inner umbrella structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102005271B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290161B (en) * | 2011-06-13 | 2013-11-20 | 广州市迈克林电力有限公司 | Frame type composite post insulator |
| RU2536860C1 (en) * | 2013-04-16 | 2014-12-27 | Андрей Юрьевич Парфёнов | High-voltage insulator |
| CN103985486B (en) * | 2014-03-31 | 2016-06-08 | 国网江苏省电力公司盐城供电公司 | A kind of extra-high voltage combined insulator |
| CN107481818A (en) * | 2017-09-29 | 2017-12-15 | 扬州市双宝电力设备有限公司 | The ultra-high-voltage post composite insulator of unique construction |
| CN108551141B (en) * | 2018-04-23 | 2021-03-23 | 李宪宝 | Suspension insulator hoisting quick-release clamp and mounting method |
| CN108918941A (en) * | 2018-07-27 | 2018-11-30 | 山东彼岸电力科技有限公司 | A kind of DC full optical fiber suspension mutual inductor |
| CN110534273A (en) * | 2019-08-23 | 2019-12-03 | 无锡爱邦辐射技术有限公司 | Partial pressure type high-voltage insulation strut |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0948000B1 (en) * | 1998-03-31 | 2003-05-07 | ABB TRASMISSIONE & DISTRIBUZIONE SpA | Shed insulator |
| CN1925067A (en) * | 2006-01-17 | 2007-03-07 | 中国南方电网有限责任公司电网技术研究中心 | +/-800kV ultra-high voltage DC synthesized insulator |
| CN101017717A (en) * | 2007-02-09 | 2007-08-15 | 山东彼岸电力科技有限公司 | Ultra-high voltage compound brace insulator |
| CN201323103Y (en) * | 2008-09-27 | 2009-10-07 | 王伟 | Inner wall increasing-climbing type filling-free epoxy resin glass fiber insulating tube |
-
2010
- 2010-12-20 CN CN2010105962508A patent/CN102005271B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0948000B1 (en) * | 1998-03-31 | 2003-05-07 | ABB TRASMISSIONE & DISTRIBUZIONE SpA | Shed insulator |
| CN1925067A (en) * | 2006-01-17 | 2007-03-07 | 中国南方电网有限责任公司电网技术研究中心 | +/-800kV ultra-high voltage DC synthesized insulator |
| CN101017717A (en) * | 2007-02-09 | 2007-08-15 | 山东彼岸电力科技有限公司 | Ultra-high voltage compound brace insulator |
| CN201323103Y (en) * | 2008-09-27 | 2009-10-07 | 王伟 | Inner wall increasing-climbing type filling-free epoxy resin glass fiber insulating tube |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102005271A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102005271B (en) | Sectional extra-high-voltage composite post insulator with inner umbrella structure | |
| CN201886843U (en) | Inner umbrella skirt type hollow core composite pillar insulator | |
| CN202816510U (en) | 1100 kV gas insulation composite bushing | |
| WO2010078745A1 (en) | Hollow supporting composite insulator whose inner wall has creepage joints | |
| CN201017728Y (en) | Extra-high voltage hollow combined insulator | |
| CN107680755A (en) | Railway contact line high intensity bar-shaped composite insulator under extreme meteorological condition | |
| CN101329935B (en) | External insulation casing pipe for 500 kv sulfur hexafluoride current mutual inductor | |
| CN203338886U (en) | 800kV gas insulation composite bushing | |
| CN103595005A (en) | Insulator type lightning arrester | |
| CN102592754A (en) | Composite disk-type insulator | |
| CN209216733U (en) | 2000kV oil-impregnated paper condenser type transformer bushing | |
| WO2016165367A1 (en) | Composite insulated crossarm and pillar with epoxy glass fiber tube filled with hollow insulation bags | |
| CN106159845A (en) | A kind of extra-high voltage SF6 gas-insulated wall bushing | |
| CN101567238B (en) | Direct-current solid-core post porcelain insulator | |
| CN201812607U (en) | Hollow composite insulator for 170kV switch | |
| CN101299361B (en) | Compound insulation casing and manufacture process | |
| CN202601331U (en) | Long-rod-shaped porcelain composite insulator | |
| CN203193126U (en) | Extra high tension wall bushing | |
| CN102314977B (en) | Porcelain composite insulator and manufacturing method thereof | |
| CN201812604U (en) | Hollow composite insulator for 550kV switch | |
| CN205890597U (en) | Whole compound inslation cantilever system of railway contact net | |
| CN208271667U (en) | ± 800kV extra-high voltage direct-current solid-core post porcelain insulator | |
| CN103323925B (en) | Terminal connector box device for 500kV optical fiber composition phase conductor | |
| CN107768114B (en) | High-voltage composite insulation energy supply transformer | |
| CN202126894U (en) | Framework type pillar composite insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGYUAN GAONENG ELECTRIC CO., LTD. Free format text: FORMER NAME: DONGGUAN GAONENG ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523012 No. 2, Fai Fai Road, Dongguan, Guangdong, Dongcheng District Patentee after: LONG YUAN HIGH-ENERGY ELECTRICAL LIMITED BY SHARE LTD. Address before: 523012 Dongguan high energy electric Limited by Share Ltd, No. 2, Hui Jing Road Industrial Park, Dongcheng District, Dongguan, Guangdong Patentee before: Dongguan Gaoneng Electric Co., Ltd. |