CN101582315A - Extra-high voltage silicon rubber sleeve - Google Patents
Extra-high voltage silicon rubber sleeve Download PDFInfo
- Publication number
- CN101582315A CN101582315A CNA2009101504527A CN200910150452A CN101582315A CN 101582315 A CN101582315 A CN 101582315A CN A2009101504527 A CNA2009101504527 A CN A2009101504527A CN 200910150452 A CN200910150452 A CN 200910150452A CN 101582315 A CN101582315 A CN 101582315A
- Authority
- CN
- China
- Prior art keywords
- silicon rubber
- high voltage
- extra
- rubber sleeve
- sleeve pipe
- 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.)
- Granted
Links
- 229920002379 silicone rubber Polymers 0.000 title claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 22
- 229920000260 silastic Polymers 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 5
- 239000004593 Epoxy Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- KHDSWONFYIAAPE-UHFFFAOYSA-N silicon sulfide Chemical compound S=[Si]=S KHDSWONFYIAAPE-UHFFFAOYSA-N 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000010073 coating (rubber) Methods 0.000 abstract 2
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 12
- 239000004945 silicone rubber Substances 0.000 description 9
- 230000005684 electric field Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000012491 analyte Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/32—Single insulators consisting of two or more dissimilar insulating bodies
- H01B17/325—Single insulators consisting of two or more dissimilar insulating bodies comprising a fibre-reinforced insulating core member
Abstract
The invention provides an extra-high voltage silicon rubber sleeve, comprising a conducting rod, an upper flange, a lower flange, an upper shielding ring, a lower shielding ring, a sleeve and a silicon rubber coating that is coated on the sleeve. The upper flange is positioned at the upper end of the sleeve and the lower flange is positioned at the lower end of the sleeve. The conducting rod is at the axle center position of the silicon rubber coating and fixed on the upper flange of the sleeve through a bolt. Two upper shielding rings are fixed on the upper flange through bolts and the lower shielding ring is fixed on the lower flange through a bolt. The silicon rubber sleeve also comprises a grounded shielding layer that is connected onto the lower flange of the sleeve through a bolt. In the inner of the silicon rubber sleeve, only the grounded shielding layer is arranged and an intermediate shielding layer of the prior art is eliminated. In this way, the high price material of the intermediate shielding layer is saved, and the elimination of the intermediate shielding layer consequently simplifies the assembly process of the whole extra-high voltage silicon rubber sleeve.
Description
Technical field
The present invention relates to the high voltage electric apparatus technical field, particularly a kind of extra-high voltage silicon rubber sleeve.
Background technology
Bushing is particularly in the sleeve pipe of the above grade of 550kV, and it is reasonable generally all to adopt the design of intermediate potential and earthing potential dual shield that the inner electric field and outer electric field of sleeve pipe is distributed.
Referring to Fig. 1, this figure is the silicone rubber sleeve cutaway view of double-layer shielding structure of the prior art.
This silicone rubber sleeve comprises intershield 3 and earth shield 4.Intershield 3 can enforceablely be pushed into the sleeve pipe medium position with intermediate potential, thereby makes Electric Field Distribution be tending towards even.Earth shield 4 can improve the distribution of sleeve pipe lower flange 9 place's internal electric fields, reduces the maximum field strength at this place.
Last shading ring 6 and last shading ring 7 use bolted on the upper flange of sleeve pipe by four bent plates that are welded on the shading ring.Following shading ring 1 and the earth shield 4 same bolted of using are on the lower flange 9 of sleeve pipe.Intershield 3 is fixed on the insulation support tube, and the insulation support tube is fastened on the lower flange 9.Conducting rod 2 upper ends use bolted on the upper flange of sleeve pipe.Conducting rod 2 links to each other with miscellaneous equipment by terminal block 8.
Because the length of the silicone rubber sleeve that ultra high voltage needs is more than 10 meters, the weight of conducting rod and screen can be very heavy like this.This not only long but also heavy conducting rod and screen packed into can increase working strength in the silicone rubber sleeve more than 10 meters, and the assembling difficulty.The intershield layer is made by insulating material, so use the intershield layer can increase cost for length at the silicone rubber sleeve more than 10 meters.
In sum, the silicone rubber sleeve of present this structure is applied in the ultra high voltage occasion can bring assembling difficulty, the problem that cost is high.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of silicone rubber sleeve, can simplify assembling process, reduces the cost of silicone rubber sleeve.
The invention provides a kind of extra-high voltage silicon rubber sleeve, comprise conducting rod, upper flange, lower flange, last shading ring, following shading ring, sleeve pipe and silastic material; Described sleeve pipe overcoat has described silastic material; Described upper flange is positioned at the upper end of described sleeve pipe, and described lower flange is positioned at the lower end of described sleeve pipe; Described conducting rod is positioned at the shaft core position of described silastic material; Described conducting rod is by on the upper flange that is bolted to described sleeve pipe; The described shading ring of going up is by being bolted on the described upper flange, and described shading ring down is by being bolted on the described lower flange; Also comprise ground shield; Described ground shield is connected on the lower flange of described sleeve pipe by bolt.
Preferably, the below of described conducting rod is welded with joint, is used to connect switchgear.
Preferably, described upper flange is connected with terminal block, and described terminal block is used for the link ceases to be busy.
Preferably, described silastic material outer surface is provided with full skirt, and the material of described full skirt is a high-temperature silicon disulfide rubber.
Preferably, the material of described sleeve pipe is an epoxy fibreglass.
Preferably, described joint is silver-plated.
Preferably, the described shading ring of going up is the structure that is welded with following shading ring.
Preferably, described ground shield adopts aluminium sheet spinning spare to make.
Preferably, adopt the flute profile hermetically-sealed construction between described upper flange and lower flange and the described sleeve pipe.
Preferably, described upward shading ring is two, and described shading ring down is one.
Compared with prior art, the present invention has the following advantages:
Extra-high voltage silicon rubber sleeve provided by the invention only is provided with ground shield at inside pipe casing, has cancelled intershield layer of the prior art.Saved the high intershield layer material of price like this, and reduced after the intershield layer, made the assembling process of whole extra-high voltage silicon rubber sleeve become simple.
Description of drawings
Fig. 1 is the silicone rubber sleeve cutaway view of double-layer shielding structure of the prior art;
Fig. 2 is based on the cutaway view of ultra high voltage sleeve pipe embodiment of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Referring to Fig. 2, this figure is the cutaway view based on ultra high voltage sleeve pipe embodiment of the present invention.
The extra-high voltage silicon rubber sleeve that the embodiment of the invention provides comprise upper flange 201, bolt 202, two go up shading ring 203a and 203b, silastic material 204, conducting rod 205, sleeve pipe 206, ground shield 207, joint 208, shading ring 209 and lower flange 210 down.
Described upper flange 201 is positioned at the upper end of described sleeve pipe 206, and described lower flange 210 is positioned at the lower end of described sleeve pipe 206.
Described conducting rod 205 is positioned at the shaft core position of described silastic material 204; Described conducting rod 205 is by on the upper flange 201 that is bolted to described sleeve pipe 206.
Conducting rod 205 adopts the strong aluminium tube material of through-current capability.
Described two last shading ring 203a and 203b are by being bolted on the described upper flange 201.
A described following shading ring 209 is by being bolted on the described lower flange 210.
Described extra-high voltage silicon rubber sleeve also comprises ground shield 207.
Described ground shield 207 is connected on the lower flange 210 of described sleeve pipe 206 by bolt.
The extra-high voltage silicon rubber sleeve that present embodiment provides only is provided with ground shield at inside pipe casing, has cancelled intershield layer of the prior art.Field strength distribution result through electric Field Calculation sleeve pipe key position provided by the invention place is: be 12.094kV/mm on the earth shield tube flange, nargin is very big, and compound cover inwall is 1.322kV/mm＜6kV/mm along the maximum on the face; Outer wall is 1.094kV/mm＜2.45kV/mm along the face maximum, and nargin is very big, is 73kV/m apart from the maximum field strength value at ground 1.5m place under 2400kV, and the field intensity value that is converted under the phase voltage is 19.3kV/m, less than 20kV/m.From result of calculation as can be seen this sleeve pipe have good insulation property, and meet design requirement.
Evidence, this structure satisfies the index of ultra high voltage sleeve pipe insulation shielding.Saved the high intershield layer material of price like this, and reduced after the intershield layer, made the assembling process of whole extra-high voltage silicon rubber sleeve become simple.
Continuous referring to Fig. 2, the below of described conducting rod 205 is welded with joint 208, is used to connect switchgear.For example circuit breaker or other equipment are connected, and with bolt lower flange 210 are fixed on and realize fixing sleeve pipe on the miscellaneous equipment.It is for the process and assemble convenience that joint 208 is welded on the conducting rod 205.
Described upper flange 201 is connected with terminal block, and described terminal block is used for the link ceases to be busy.
Need to prove that the upper end of the ultra high voltage sleeve pipe that the embodiment of the invention provides also is provided with terminal block, and is not shown among Fig. 2, described terminal block is used for the link ceases to be busy.
Overhead wire is from the power plant or the transformer transmission of electricity line of coming, and also can be to send the electricity line to user side.Overhead wire is connected on the terminal block.Terminal block is connected with upper flange 201, and upper flange 201 is connected with conducting rod 205, thereby electric current arrives the loop that switchgear is formed from overhead wire by terminal block, upper flange 201, conducting rod 205, joint 208.
The outer surface of described silastic material 204 is provided with the full skirt (not shown), and the material of described full skirt is a high-temperature silicon disulfide rubber.
The material of described sleeve pipe 206 is an epoxy fibreglass.Need to prove that the inwall of sleeve pipe 206 scribbles the thick analyte of the anti-SF6 coating of 1mm.
Described joint 208 is silver-plated.The transmission of electric current can be more conducive to like this, the conductor that other are beneficial to current delivery can certainly be plated.
Described shading ring is the structure that is welded.Being convenient to shading ring like this installs.
Described ground shield 207 adopts aluminium sheet spinning spare to make, and adopts aluminium sheet can be beneficial to current delivery.
Adopt the flute profile hermetically-sealed construction between described upper flange 201 and lower flange 210 and the described sleeve pipe 206.
Need to prove that during available technology adopting intershield layer, if the sleeve pipe assembling is improper, causing on the intershield layer structure has suspended matter, can cause the electric field breakdown fault.So adopt the single-layer shield structure, ground shield promptly only is set, not only can reduce parts, weight saving, easy for installation, labour intensity is low, and can reduce electric field breakdown hidden danger, and reduces the cost of whole extra-high voltage silicon rubber sleeve.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction.Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention.Any those of ordinary skill in the art, do not breaking away under the technical solution of the present invention scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solution of the present invention, all still belongs in the scope of technical solution of the present invention protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.
Claims (10)
1, a kind of extra-high voltage silicon rubber sleeve comprises conducting rod, upper flange, lower flange, last shading ring, following shading ring, sleeve pipe and silastic material; Described sleeve pipe overcoat has described silastic material; Described upper flange is positioned at the upper end of described sleeve pipe, and described lower flange is positioned at the lower end of described sleeve pipe; Described conducting rod is positioned at the shaft core position of described silastic material; Described conducting rod is by on the upper flange that is bolted to described sleeve pipe; The described shading ring of going up is by being bolted on the described upper flange, and described shading ring down is by being bolted on the described lower flange; It is characterized in that, also comprise ground shield;
Described ground shield is connected on the lower flange of described sleeve pipe by bolt.
2, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, the below of described conducting rod is welded with joint, is used to connect switchgear.
3, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, described upper flange is connected with terminal block, and described terminal block is used for the link ceases to be busy.
4, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, described silastic material outer surface is provided with full skirt, and the material of described full skirt is a high-temperature silicon disulfide rubber.
5, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, the material of described sleeve pipe is an epoxy fibreglass.
6, extra-high voltage silicon rubber sleeve according to claim 2 is characterized in that, described joint is silver-plated.
7, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, the described shading ring of going up is the structure that is welded with following shading ring.
8, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, described ground shield adopts aluminium sheet spinning spare to make.
9, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, adopts the flute profile hermetically-sealed construction between described upper flange and lower flange and the described sleeve pipe.
10, extra-high voltage silicon rubber sleeve according to claim 1 is characterized in that, described upward shading ring is two, and described shading ring down is one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101504527A CN101582315B (en) | 2009-06-23 | 2009-06-23 | Extra-high voltage silicon rubber sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101504527A CN101582315B (en) | 2009-06-23 | 2009-06-23 | Extra-high voltage silicon rubber sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101582315A true CN101582315A (en) | 2009-11-18 |
| CN101582315B CN101582315B (en) | 2011-09-21 |
Family
ID=41364418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101504527A Active CN101582315B (en) | 2009-06-23 | 2009-06-23 | Extra-high voltage silicon rubber sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101582315B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956333A (en) * | 2012-12-06 | 2013-03-06 | 山东彼岸电力科技有限公司 | Composite sleeve of outgoing line |
| CN103413638A (en) * | 2013-07-26 | 2013-11-27 | 江苏神马电力股份有限公司 | Insulating sleeve |
| CN103913618A (en) * | 2014-04-18 | 2014-07-09 | 山东彼岸电力科技有限公司 | Plus or minus 500 kv direct current all-fiber optical current transformer |
| CN106169342A (en) * | 2015-05-19 | 2016-11-30 | 泰科电子(上海)有限公司 | Insulation assembly |
| CN106384632A (en) * | 2015-08-05 | 2017-02-08 | 泰科电子(上海)有限公司 | Insulation casing pipe and manufacturing method thereof, and insulator |
| CN107039935A (en) * | 2017-04-19 | 2017-08-11 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
| CN107346687A (en) * | 2016-05-06 | 2017-11-14 | 泰科电子(上海)有限公司 | Composite hollow insulator and preparation method thereof |
| WO2018036083A1 (en) * | 2016-08-22 | 2018-03-01 | 江苏智达高压电气有限公司 | Novel structure extra-high-voltage direct current transformer bushing |
| WO2018036082A1 (en) * | 2016-08-22 | 2018-03-01 | 江苏智达高压电气有限公司 | Ultra-high-voltage direct current wall bushing |
| CN109217224A (en) * | 2018-11-13 | 2019-01-15 | 特变电工昭和（山东）电缆附件有限公司 | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user |
-
2009
- 2009-06-23 CN CN2009101504527A patent/CN101582315B/en active Active
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956333A (en) * | 2012-12-06 | 2013-03-06 | 山东彼岸电力科技有限公司 | Composite sleeve of outgoing line |
| CN103413638A (en) * | 2013-07-26 | 2013-11-27 | 江苏神马电力股份有限公司 | Insulating sleeve |
| CN103913618A (en) * | 2014-04-18 | 2014-07-09 | 山东彼岸电力科技有限公司 | Plus or minus 500 kv direct current all-fiber optical current transformer |
| CN106169342A (en) * | 2015-05-19 | 2016-11-30 | 泰科电子(上海)有限公司 | Insulation assembly |
| KR102060504B1 (en) * | 2015-05-19 | 2019-12-30 | 타이코 일렉트로닉스 (상하이) 컴퍼니 리미티드 | Insulation assembly |
| CN106384632A (en) * | 2015-08-05 | 2017-02-08 | 泰科电子(上海)有限公司 | Insulation casing pipe and manufacturing method thereof, and insulator |
| CN107346687A (en) * | 2016-05-06 | 2017-11-14 | 泰科电子(上海)有限公司 | Composite hollow insulator and preparation method thereof |
| CN107346687B (en) * | 2016-05-06 | 2024-04-02 | 泰科电子(上海)有限公司 | Composite hollow insulator and preparation method thereof |
| WO2018036083A1 (en) * | 2016-08-22 | 2018-03-01 | 江苏智达高压电气有限公司 | Novel structure extra-high-voltage direct current transformer bushing |
| WO2018036082A1 (en) * | 2016-08-22 | 2018-03-01 | 江苏智达高压电气有限公司 | Ultra-high-voltage direct current wall bushing |
| CN107039935B (en) * | 2017-04-19 | 2018-11-13 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
| CN107039935A (en) * | 2017-04-19 | 2017-08-11 | 天津沃尔法电力设备有限公司 | A kind of super-pressure and extra-high voltage resistance-type direct-current wall bushing |
| CN109217224A (en) * | 2018-11-13 | 2019-01-15 | 特变电工昭和（山东）电缆附件有限公司 | A kind of outer terminal of 500kV and 500kV or more AC and DC power cable user |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101582315B (en) | 2011-09-21 |
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