CN202102812U - Ultrahigh voltage oil paper capacitive wall bushing - Google Patents
Ultrahigh voltage oil paper capacitive wall bushing Download PDFInfo
- Publication number
- CN202102812U CN202102812U CN2010206849724U CN201020684972U CN202102812U CN 202102812 U CN202102812 U CN 202102812U CN 2010206849724 U CN2010206849724 U CN 2010206849724U CN 201020684972 U CN201020684972 U CN 201020684972U CN 202102812 U CN202102812 U CN 202102812U
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- contact tube
- capacitor core
- connecting flange
- insulator
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Abstract
The utility model discloses an ultrahigh voltage oil paper capacitive wall bushing, which employs a capacitor core component designed according to the principle of capacitance voltage dividing and resistor voltage dividing, and can satisfy the ultrahigh AC and DC dual purpose demand of the bushing. The capacitor core component employs three-segment type design thereby reducing the influence caused by great winding degree and great skipping, on quality in the process of coiling; through holes uniformly distributed on an intermediate conductive tube are convenient for vacuum-pumping and oil immersion of the capacitor core component; end tube oil through holes arranged on a left end portion conducting rod and a right end portion conducting rod enable the oil in a transformer inside the intermediate conductive tube to participate the cycling of the integrated oil of the whole bushing, thereby effectively preventing local overheating; a core clasp arranged inside a connection flange enables the strength of bending resistance and shock resistance of the whole bushing to be enhanced; and the crepe paper wound on a thread bush and the cable paper wound on the left end portion conducting rod and the right end portion conducting rod enable the gas halo voltage of the end portion of the capacitor core component to be increased, thereby effectively preventing the corona.
Description
Technical field
The present invention relates to a kind of power equipment, relate generally to a kind of ultra high voltage paper condenser wall bushing.
Background technology
At present, the Oil-impregnated Paper Condenser Bushing in History electric pressure mainly contains 40.5kV, 72.5kV, 126kV, 252kV, 363kV, 550kV, 800kV, 1100kV, and 800kV and 1100kV belong to ultra high voltage.550kV and following electric pressure paper condenser wall bushing physical dimension less (length overall be no more than 10000mm, insulator diameter be no more than φ 620mm, insulator length are no more than 4500mm, the product total weight is no more than 3500kg).Therefore relatively be prone to reach to satisfying machinery (bending resistance load etc.) and the electric property that fuse rolls and install and use.
But; For 800kV and above electric pressure ultra high voltage paper condenser wall bushing physical dimension big (length overall surpasses 17000mm, the insulator diameter surpasses φ 800mm, indoor outer insulator length and all surpasses 6000mm, product total weight above 9000kg); The center conductive length of tube surpasses 16000mm, the capacitor core insulated part that contains the capacitor plate part not only long but also thick (length greater than 10000mm, diameter greater than φ 540mm) and heavier.Therefore, rolling, vacuumize drying, immersion oil etc. at the processing and the capacitor core of contact tube all has big difficulty, and capacitor core is vibration easily in sleeve pipe lifting, transportation and the course of work.
Summary of the invention
Be to solve the deficiency that prior art exists, the object of the present invention is to provide a kind of that have a better bending resistance anti-seismic performance and can solve the ultra high voltage paper condenser wall bushing of the difficult problem of long thicker capacitor core insulation vacuumize and pressure immersion oil preferably.
To achieve these goals, the present invention adopts following technical scheme:
Ultra high voltage paper condenser wall bushing; Comprise two insulators and a connecting flange, it is characterized in that above-mentioned insulator one end is fixed with the mucilage binding flange; The other end is provided with terminal block; Above-mentioned insulator is divided into indoor insulator and outdoor insulator, and the end of above-mentioned outdoor insulator also is provided with conservator and brute spring, and above-mentioned insulator is fixed on the both sides of connecting flange through the mucilage binding flange; And whether the oil resistant rubber packing ring that is provided with at above-mentioned connecting flange place (correct here?) and the effect of above-mentioned brute spring down and connecting flange together constitute an annular seal space, above-mentioned conservator communicates with the sealing chamber; Comprise that also passing above-mentioned connecting flange center is installed in the capacitor core parts in the above-mentioned insulator, above-mentioned terminal block is connected with these capacitor core parts; Above-mentioned capacitor core parts comprise that capacitor core rolls parts, left part contact tube, right part contact tube, thread bush; Above-mentioned capacitor core rolls parts and comprises by aluminium foil and cable paper and roll the concentric column bulk capacitor that forms, middle contact tube, measurement terminal lead-in wire.Above-mentioned concentric column capacitor surrounds on the above-mentioned middle contact tube; The one of which end connects above-mentioned middle contact tube and links to each other; The other end links to each other with above-mentioned measurement terminal lead-in wire, and above-mentioned measurement terminal lead-in wire is drawn from above-mentioned connecting flange, and the two ends of above-mentioned middle contact tube respectively are provided with one section external screw thread; The end also be provided be convenient to roll roll the frock fixing hole, above-mentioned in the middle of contact tube be provided with a plurality of equally distributed capacitor core parts of being convenient to and vacuumize the through hole with immersion oil; Above-mentioned left part contact tube, right part contact tube are equipped with external screw thread and end pipe oil through, and all have an end stifled with bridge welding, and above-mentioned thread bush is installed in above-mentioned left part contact tube, right part contact tube respectively the two ends of above-mentioned middle contact tube.
Aforesaid ultra high voltage paper condenser wall bushing is characterized in that the outer surface of above-mentioned thread bush is tied with crimped paper; Above-mentioned left part contact tube, right part contact tube all are tied with one section cable paper.
Aforesaid ultra high voltage paper condenser wall bushing is characterized in that, also comprises expander, and above-mentioned connecting flange place is provided with gets oily device, Connection Block, and above-mentioned expander is connected with above-mentioned annular seal space through above-mentioned Connection Block.
Aforesaid ultra high voltage paper condenser wall bushing is characterized in that above-mentioned connecting flange place also is provided with the reinforcement that has lifting hole(eyelet).
Aforesaid ultra high voltage paper condenser wall bushing is characterized in that, the inwall of above-mentioned connecting flange is provided with the fuse snap ring that two circles can effectively be fixed above-mentioned capacitor core parts.
Aforesaid ultra high voltage paper condenser wall bushing is characterized in that the end that above-mentioned insulator is provided with terminal block also is provided with grading ring.
The usefulness of piston valve of the present invention is:
1, adopts the capacitor core parts of capacitance partial pressure and electric resistance partial pressure principle of combining design, can satisfy sleeve pipe extra-high-voltage alternating current and DC dual-purpose;
2, the capacitor core parts are taked the syllogic design, have reduced in the process that rolls around the degree or the excessive influence to quality of beating.3, the equally distributed through hole that is provided with at middle contact tube is convenient to the capacitor core parts and is vacuumized and immersion oil;
4, the end pipe oil through that has of left part conducting rod, right part conducting rod, contact tube internal transformer oil has been participated in the circulation of the whole oil of whole sleeve pipe in the middle of making, and effectively prevents local overheating.
5, the fuse snap ring that is provided with of connecting flange inside has strengthened the bending resistance and the shock strength of whole sleeve pipe;
6, the cable paper that crimped paper that is tied with on the thread bush and left part conducting rod, right part conducting rod twine can improve the gas corona voltage of capacitor core ends, and is effectively anti-corona.
Description of drawings
Fig. 1 is the overall structure sketch map of ultra high voltage paper condenser wall bushing of the present invention;
Fig. 2 is the capacitor body modular construction sketch map of ultra high voltage paper condenser wall bushing of the present invention;
Fig. 3 rolls the structural representation of parts for the capacitor core of ultra high voltage paper condenser wall bushing of the present invention;
Fig. 4 is the structural representation of the middle contact tube of ultra high voltage paper condenser wall bushing of the present invention;
Fig. 5 is the left part contact tube and the right part contact tube structural representation of ultra high voltage paper condenser wall bushing of the present invention;
Fig. 6 is the structural representation of the fuse snap ring of ultra high voltage paper condenser wall bushing of the present invention.
The implication of Reference numeral among the figure:
1a, outdoor insulator, 1b, indoor insulator, 2, connecting flange, 3, the mucilage binding flange, 4, terminal block, 5, grading ring; 6, brute spring, 7, conservator, 8, the capacitor core parts, 9, capacitor core rolls parts, 10, the left end contact tube, 11, the right-hand member contact tube; 12, thread bush, 13, aluminium foil, 14, cable paper, 15, the concentric column bulk capacitor, 16, cable paper, 17, middle contact tube; 18, measurement terminal lead-in wire, 19, roll the frock fixing hole, 20, through hole, 21, end pipe oil through, 22, cover plate; 23, expander, 24, get oily device, 25, Connection Block, 26, the fuse snap ring; The direction of capacitor core parts pressure immersion oils that A, B, C, D have distinguished mark; E, F indicate the position and the direction of transformer oil turnover contact tube; G, H mark the rest of fuse snap ring.
Embodiment
Below in conjunction with Figure of description the bright technical scheme of this law is done detailed explanation.
Fig. 1 is the overall structure sketch map of ultra high voltage paper condenser wall bushing of the present invention.
With reference to Fig. 1, ultra high voltage paper condenser wall bushing of the present invention comprise two insulators, be arranged on indoor indoor insulator 1b respectively and be arranged on outdoor outdoor insulator 1a; Also comprise connecting flange 2, the mucilage binding flange 3 that outdoor insulator 1a and indoor insulator 1b are provided with through end separately connects with connecting flange 2 and constitutes an integral body; The other end of outdoor insulator 1a and indoor insulator 1b is provided with terminal block 4, grading ring 5, and terminal block 4 is used for wiring, and grading ring 5 is used to make anode-cathode voltage even, and the outdoor end that is positioned at of outdoor insulator 1a also is provided with conservator 7 and brute spring 6.Outdoor insulator 1a and indoor insulator 1b make insulator and connecting flange 2 formations one have hermetic annular seal space by the effect of oil resistant rubber packing ring and brute spring 6.The capacitor core parts 8 that pass connecting flange 2 centers are installed in above-mentioned annular seal space, and contain transformer oil.As a kind of preferred version, connecting flange 2 is provided with gets oily device 24 and Connection Block 25, and above-mentioned Connection Block 25 is connected with expander 23, and expander 23 is connected with the annular seal space that insulator and connecting flange 2 form.Get the usefulness that oily device supplies to get oil sample in the sleeve pipe.The expander side is provided with oil meter, before the operation oil level is adjusted to 20 ℃ of (or a little more than ambient temperature) positions.Conservator 7 also is provided with the hole that is used to vacuumize with immersion oil in addition.
Fig. 2 is the capacitor body modular construction sketch map of ultra high voltage paper condenser wall bushing of the present invention; Fig. 3 rolls the structural representation of parts for the capacitor core of ultra high voltage paper condenser wall bushing of the present invention; Fig. 4 is the structural representation of the middle contact tube of ultra high voltage paper condenser wall bushing of the present invention; Fig. 5 is the left part contact tube and the right part contact tube structural representation of ultra high voltage paper condenser wall bushing of the present invention.
With reference to Fig. 2 and Fig. 3, capacitor core parts 8 comprise: capacitor core rolls parts 9, left part contact tube 10, right part contact tube 11, thread bush 12.Wherein left part contact tube 10 is installed in the two ends that capacitor core rolls parts 9 with right part contact tube 11 respectively through thread bush 12.As shown in Figure 3, capacitor core rolls parts 9 and comprises: rolled concentric column bulk capacitor 15, middle contact tube 17, the measurement terminal lead-in wire 18 that forms by aluminium foil 13 and cable paper 14.Concentric column bulk capacitor 15 holds and is formed on the middle contact tube 17; One end of concentric column bulk capacitor 15 links to each other with middle contact tube 17; The other end connects measurement terminal lead-in wire 18, and measurement terminal lead-in wire 18 is drawn from connecting flange 2, when measurement terminal lead-in wire 18 during with connecting flange 2 insulation; Can supply sleeve pipe be situated between to decrease the usefulness with local discharge electricity amount measurement, during operation through rack earth and 2 while of connecting flange ground connection.The two ends of middle contact tube 17 respectively are provided with one section external screw thread, and be provided be convenient to roll capacitor core roll frock fixing hole 19, in addition, middle contact tube 17 also is provided with a plurality of equally distributed capacitor core parts of being convenient to and vacuumizes the through hole 20 with immersion oil; Left part contact tube 10, right part contact tube 11 are equipped with external screw thread and end pipe oil through 21, and the left part of left part contact tube 10 and right part contact tube 11 right parts are all stifled with cover plate 22 welderings.So, left part contact tube 10, right part contact tube 11, middle contact tube 17 have constituted the chamber of a relative closure, and in technical scheme in the past, through hole 20 is not managed oil through 21 with end.Through hole 20 is set now; When vacuumizing; Capacitor body rolls the comprehensive drying regime that vacuumizes of opposite direction that parts 8 are in direction shown in the mark A of Fig. 3 institute, B, C, D, and during the product pressure immersion oil, capacitor core rolls the comprehensive pressure immersion oil state that parts are in direction shown in Fig. 3 mark A, B, C, the D; Solve long thicker capacitor core and rolled the difficult problem that the parts insulation vacuumizes dry and pressure immersion oil, shortened the process time; Be provided with end pipe oil through 2; As shown in Figure 2, make the chamber internal transformer oil of above-mentioned relative closure participate in the circulation of whole oil in the sleeve pipe, E as shown in Figure 2 position cold oil gets into, F position deep fat comes out; Heat in the contact tube is followed out, prevent that effectively the insulating paper at contact tube outer wall place is overheated.
As a kind of preferred version; The outer surface of above-mentioned thread bush 12 can twine certain thickness crimped paper; Left part contact tube 10, right part contact tube 11 all can be rolled up one section cable paper 16 that does not contain the aluminium foil pole plate by thickness on demand in advance, and this cable paper 16 can improve the effect of capacitor core ends discharge inception voltage with the crimped paper that thread bush 12 outer surfaces twine.
With reference to Fig. 6, as a kind of preferred version, the inwall of above-mentioned connecting flange 2 is provided with the fuse snap ring 26 that two circles can effectively be fixed above-mentioned capacitor core parts, and this fuse snap ring 26 is made up of multi-section circular arc shape assembly.With reference to Fig. 1, above-mentioned fuse snap ring 26 is installed in the position among G among Fig. 1, the H, and it can prevent effectively that capacitor core from trembleing in sleeve pipe lifting, transportation and the course of work, has strengthened the bending resistance and the anti-seismic performance of ultra high voltage paper condenser wall bushing.
As a kind of preferred version, connecting flange 2 places also are provided with the reinforcement that has lifting hole(eyelet) in addition, convenient lifting assembling.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.
Claims (6)
1. ultra high voltage paper condenser wall bushing; Comprise two insulators and a connecting flange, it is characterized in that above-mentioned insulator one end is fixed with the mucilage binding flange; The other end is provided with terminal block; Above-mentioned insulator is divided into indoor insulator and outdoor insulator, and the end of above-mentioned outdoor insulator also is provided with conservator and brute spring, and above-mentioned insulator is fixed on the both sides of connecting flange through the mucilage binding flange; And together constituting an annular seal space with connecting flange under the effect of oil resistant rubber packing ring that is provided with at above-mentioned connecting flange place and above-mentioned brute spring, above-mentioned conservator communicates with the sealing chamber; Also comprise the center of passing above-mentioned connecting flange and be installed in the capacitor core parts in the above-mentioned insulator, above-mentioned terminal block is connected with these capacitor core parts; Above-mentioned capacitor core parts comprise that capacitor core rolls parts, left part contact tube, right part portion contact tube, thread bush; Above-mentioned capacitor core rolls parts and comprises by aluminium foil and cable paper and roll the concentric column bulk capacitor that forms, middle contact tube, measurement terminal lead-in wire; Above-mentioned concentric column capacitor surrounds on the above-mentioned middle contact tube; The one of which end connects above-mentioned middle contact tube and links to each other; The other end links to each other with above-mentioned measurement terminal lead-in wire, and above-mentioned measurement terminal lead-in wire is drawn from above-mentioned connecting flange, and the two ends of above-mentioned middle contact tube respectively are provided with one section external screw thread; The end also be provided be convenient to roll roll the frock fixing hole, above-mentioned in the middle of contact tube be provided with a plurality of equally distributed capacitor core parts of being convenient to and vacuumize the through hole with immersion oil; Above-mentioned left part contact tube, right part contact tube are equipped with external screw thread and end pipe oil through, and all have an end stifled with bridge welding, and above-mentioned thread bush is installed in above-mentioned left part contact tube, right part contact tube respectively the two ends of above-mentioned middle contact tube.
2. ultra high voltage paper condenser wall bushing according to claim 1 is characterized in that the outer surface of above-mentioned thread bush is tied with crimped paper; Above-mentioned left part contact tube, right part contact tube all are tied with one section cable paper.
3. ultra high voltage paper condenser wall bushing according to claim 2 is characterized in that, also comprises expander, and above-mentioned connecting flange place is provided with gets oily device, Connection Block, and above-mentioned expander is connected with above-mentioned annular seal space through above-mentioned Connection Block.
4. ultra high voltage paper condenser wall bushing according to claim 3 is characterized in that above-mentioned connecting flange place also is provided with the reinforcement that has lifting hole(eyelet).
5. according to any described ultra high voltage paper condenser wall bushing of claim 1 to 4, it is characterized in that the inwall of above-mentioned connecting flange is provided with the fuse snap ring that two circles can effectively be fixed above-mentioned capacitor core parts.
6. ultra high voltage paper condenser wall bushing according to claim 5 is characterized in that the end that above-mentioned insulator is provided with terminal block also is provided with grading ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206849724U CN202102812U (en) | 2010-12-28 | 2010-12-28 | Ultrahigh voltage oil paper capacitive wall bushing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206849724U CN202102812U (en) | 2010-12-28 | 2010-12-28 | Ultrahigh voltage oil paper capacitive wall bushing |
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| CN202102812U true CN202102812U (en) | 2012-01-04 |
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| CN2010206849724U Expired - Lifetime CN202102812U (en) | 2010-12-28 | 2010-12-28 | Ultrahigh voltage oil paper capacitive wall bushing |
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| CN103278667A (en) * | 2013-06-13 | 2013-09-04 | 国家电网公司 | Rubber and plastic insulation wall bushing partial discharge test whole set voltage-sharing device |
| CN103295736A (en) * | 2013-06-27 | 2013-09-11 | 特变电工沈阳变压器集团有限公司 | Labyrinth oil circulation exchange structure for insulating-gas inflated direct-current bushing |
| CN104160458A (en) * | 2012-01-09 | 2014-11-19 | 阿尔斯通技术有限公司 | Plug and socket pure gas insulated wall bushing for hvdc and uhv |
| CN104505785A (en) * | 2014-12-17 | 2015-04-08 | 国家电网公司 | Ultrahigh-voltage direct current wall bushing center conductive pipe assembly |
| CN105469957A (en) * | 2015-12-28 | 2016-04-06 | 南京电气高压套管有限公司 | Vacuum resin impregnated fiber explosion-proof oil paper condenser-type bushing |
| CN106092727A (en) * | 2016-07-12 | 2016-11-09 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct-current is combined wall bushing shock test sample and preparation method thereof |
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2010
- 2010-12-28 CN CN2010206849724U patent/CN202102812U/en not_active Expired - Lifetime
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| CN104160458B (en) * | 2012-01-09 | 2017-08-15 | 通用电气技术有限公司 | For high voltage direct current and the pure gas of the plugs and sockets formula of super-pressure insulation wall bushing |
| CN104160458A (en) * | 2012-01-09 | 2014-11-19 | 阿尔斯通技术有限公司 | Plug and socket pure gas insulated wall bushing for hvdc and uhv |
| CN103278667A (en) * | 2013-06-13 | 2013-09-04 | 国家电网公司 | Rubber and plastic insulation wall bushing partial discharge test whole set voltage-sharing device |
| CN103295736A (en) * | 2013-06-27 | 2013-09-11 | 特变电工沈阳变压器集团有限公司 | Labyrinth oil circulation exchange structure for insulating-gas inflated direct-current bushing |
| CN104505785A (en) * | 2014-12-17 | 2015-04-08 | 国家电网公司 | Ultrahigh-voltage direct current wall bushing center conductive pipe assembly |
| CN105469957A (en) * | 2015-12-28 | 2016-04-06 | 南京电气高压套管有限公司 | Vacuum resin impregnated fiber explosion-proof oil paper condenser-type bushing |
| CN106092727A (en) * | 2016-07-12 | 2016-11-09 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct-current is combined wall bushing shock test sample and preparation method thereof |
| CN106153440A (en) * | 2016-07-12 | 2016-11-23 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct-current is combined wall bushing inner guide shock test sample and wall bushing shock test sample |
| CN106226177A (en) * | 2016-07-12 | 2016-12-14 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct-current is combined shock test device and test method inside and outside wall bushing |
| CN106092727B (en) * | 2016-07-12 | 2019-04-23 | 南方电网科学研究院有限责任公司 | Compound wall bushing shock test sample of extra-high voltage direct-current and preparation method thereof |
| CN106153440B (en) * | 2016-07-12 | 2022-12-27 | 南方电网科学研究院有限责任公司 | Ultrahigh voltage direct current composite wall bushing inner guide rod anti-seismic test sample and wall bushing anti-seismic test sample |
| CN106226177B (en) * | 2016-07-12 | 2023-04-07 | 南方电网科学研究院有限责任公司 | Extra-high voltage direct current composite wall bushing internal and external anti-seismic testing device and testing method |
| CN106485995A (en) * | 2016-11-17 | 2017-03-08 | 南方电网科学研究院有限责任公司 | Sleeve pipe molds, methods of making and system |
| CN106485995B (en) * | 2016-11-17 | 2022-09-16 | 南方电网科学研究院有限责任公司 | Casing model manufacturing method and system |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20120104 |
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| CX01 | Expiry of patent term |