CN103117117A - Insulation tube bus and manufacturing method thereof - Google Patents
Insulation tube bus and manufacturing method thereof Download PDFInfo
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- CN103117117A CN103117117A CN2013100761722A CN201310076172A CN103117117A CN 103117117 A CN103117117 A CN 103117117A CN 2013100761722 A CN2013100761722 A CN 2013100761722A CN 201310076172 A CN201310076172 A CN 201310076172A CN 103117117 A CN103117117 A CN 103117117A
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- layer
- insulating barrier
- screen
- buses
- wound around
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention relates to a material technology and a method for manufacturing an insulation tube bus. The insulation tube bus is composed of an electric conduction tube, an insulating layer, a pressure equalizing screen, an external shielding layer, a ground lead, an insulating external protection layer and an ageing resistance layer, wherein the electric conduction tube is manufactured from an aluminum tube or a copper tube, the insulating layer is wound on the electric conduction tube through glass fiber dipping insulating glue and reaches a needed size, the pressure equalizing screen is formed by evenly twining banding or filament bundle conductor or semiconductor materials, the external shielding layer is wound on the pressure equalizing screen and the insulating layer after the pressure equalizing screen and the insulating layer are alternately twined to needed sizes, the ground lead is pre-buried in a set position of the external shielding layer, the insulating external protection layer is wound on the exterior of the external shielding layer, solidification is performed under set temperature and time, and finally the ageing resistance layer is manufactured on the surface of the insulating external protection layer. The insulation tube bus manufactured by using the method has the advantages of being high in mechanical strength, good in heat dispersion, low in magnitude of partial discharge, high in product percent of pass, low in manufacturing cost, short in production cycle, convenient to construct on site, safe and reliable in running, maintenance-free and the like.
Description
Technical field
The present invention relates to use in the electric power system high-voltage electrical equipment with screen buses of insulation tubes and manufacture method thereof, specifically, the present invention relates to a kind of for improving along the face field intensity and having capacitor type Main Insulation Structure of Electric and the production method thereof of insulation against ground effect.
Background technology
The manufacturing technology that has at present a kind of insulation film Tu insulating oil to hold, use its built-in electrical insulation of buses of insulation tubes of this technology manufacturing to roll and form by insulation film, aluminum foil coating insulating oil, its manufacture method is: turn to equalizing press layer with aluminium foil and polytetrafluoroethylene film alternating packets vertically on the pipe bus, smear silicone oil between polytetrafluoroethylene film and between aluminium foil and polytetrafluoroethylene film to fill air gap.Due to polytetrafluoroethylene coefficient of friction very low (being only 0.15), the silicone oil lubrication, very easily cause insulation to try to shirk responsibility and the capacitance plate slippage in producing and carrying in addition; Because polytetrafluoroethylene is extremely difficult bonding, so product is difficult for sealing, the ductility of silicone oil excellence and the effect of expanding with heat and contract with cold in addition, the leakage of oil situation happens occasionally when transportation and operation, and can't be its repairing maintenance; The connector part must be to site operation, and running into bad weather can't carry out; Because its manufacture craft very easily causes interfacial air gap and the moisture absorption, so partial discharge and dielectric loss performance often exceed standard, cause breakdown accident; Mechanical strength is low, need support to bear load by post insulator during operation.
Summary of the invention
For solving the existing the problems referred to above of prior art buses of insulation tubes, an object of the present invention is to provide a kind of buses of insulation tubes, another object of the present invention is to provide a kind of method of producing buses of insulation tubes.
A kind of buses of insulation tubes comprises contact tube, insulating barrier, all presses screen, outer shielding layer, earth connection, insulation external protection, and anti-aging layer forms.Described contact tube is made by aluminum pipe or copper pipe; Described insulating barrier is wrapped on contact tube by glass fiber impregnated insulating cement, and reach desired size, the described screen of all pressing is formed by band shape or tow shape conductor or semi-conducting material uniform winding, and after described all pressures screen and insulating barrier alternately are wound to and require size, be wound around outer shielding layer thereon, and at the pre-buried earth connection of the desired location of outer shielding layer; Be wound around the insulation external protection outside outer shielding layer; Solidify under design temperature and time.Make at last anti-aging layer on the surface.
Further, described glass fibre is e-glass fiber roving or fiberglass cloth tape; Described insulating cement is mixture of epoxy resins; All pressing the conductor in screen material is aluminium foil, woven wire or conductive carbon fibre.
Further, to the insulation external protection surface making anti-aging layer of described buses of insulation tubes, anti-aging layer can adopt silicon rubber, heat-shrink tube or direct spraying RTV coating.
A kind of method of producing buses of insulation tubes comprises the following steps:
A cleans up contact tube, is installed on wrapping machine, and is stand-by;
B, insulating barrier are made: uniform winding insulating barrier on contact tube, insulating barrier are wound to thickness of insulating layer and the length of setting, and insulating barrier is wound around and completes;
C, all press screen to make: after insulating barrier was wound around and completes, the uniform winding ground floor was all pressed screen thereon, all pressed the screen layer to be wound to all pressures screen layer thickness and the length of setting, all pressed the screen layer to be wound around and completed; After all pressing the winding of screen layer to complete, continuation is wound around insulating barrier thereon, and insulating barrier also is wound to sets thickness and length; Insulating barrier with all press screen alternately to be wound around the interval winding is set, until design size;
D, outer shielding layer make: insulating barrier with all press screen alternately to be wound around the interval to arrange and be wound to design size; With the outer shielding layer uniform winding on it; Need to be at the pre-buried earth connection in the position that requires when being wound around;
E, insulation external protection are made: the external protection that will insulate is wrapped on outer shielding layer uniformly, and is wound to required thickness and length;
F, curing: the insulation external protection is completed curing after being wound around and completing in requiring temperature and time;
G, anti-aging layer are made: the buses of insulation tubes blank surface treatment that curing is completed is smooth without burr, make anti-aging layer, and complete buses of insulation tubes and make.
Further, the described screen of all pressing is identical with the canoe of described outer shielding layer, and its canoe is hoop uniform pitch canoe.
Further, described insulating barrier is identical with the canoe of insulation external protection, and its canoe is that the hoop uniform pitch is wound around or mutual cross-lapping uniform winding mode is wound around.
Further, described contact tube material and its cross-sectional area will be set according to requirement and the material current density of electric current, to guarantee the electric conductivity of buses of insulation tubes.
Further, described anti-aging layer can adopt that silicon rubber is bonding, heat-shrink tube pyrocondensation and spraying RTV coating mode make.
It is high that the buses of insulation tubes that this kind method is made has mechanical strength, perfect heat-dissipating, and partial discharge quantity is low, and product percent of pass is high, low cost of manufacture, the advantage such as fabrication cycle is short, and site operation is convenient, and is safe and reliable to operation, non-maintaining.
Description of drawings
Fig. 1 a is the linear pattern buses of insulation tubes;
Fig. 1 b is curved buses of insulation tubes;
Fig. 2 is hoop uniform pitch canoe schematic diagram;
Fig. 3 is the mutual cross-lapping uniform winding of insulating barrier mode schematic diagram.
Embodiment
Shown in Fig. 1 a and Fig. 1 b is a kind of buses of insulation tubes, comprise contact tube 1, insulating barrier 2, all press screen 3, outer shielding layer 4, earth connection 5, insulation external protection 6, anti-aging layer 7 forms, wherein, insulating barrier 2 by woven glass roving fabric with Fig. 2 or fiberglass cloth tape with the mutual cross-lapping canoe uniform winding shown in Fig. 3 to design size; All press screen 3 by aluminium foil, woven wire, band shape or tow shape conductive carbon fibre or semi-conducting material with mode uniform winding shown in Figure 2 to requiring size; And after all pressure screen 3 and insulating barrier 2 alternately are wound to and require size, be wound around outer shielding layer 4 thereon, and at the pre-buried earth connection 5 of the desired location of outer shielding layer; Be wound around insulation external protection 6 outside outer shielding layer; Solidify under design temperature and time.Make at last anti-aging layer 7 on the surface.
The manufacture method of the buses of insulation tubes shown in Fig. 1 a and Fig. 1 b is as follows:
The buses of insulation tubes making step:
A removes surface oxide layer with contact tube with the emery cloth polishing, and with acetone, the impurity such as grease on it is cleaned up, and is installed on wrapping machine, and is stand-by;
The b insulating barrier is made: be wound around insulating barrier on contact tube, insulating barrier is woven glass roving fabric or fiberglass cloth tape epoxy resin-impregnated compound, pencil e-glass fiber roving epoxy resin-impregnated compound is wound around by the hoop uniform pitch shown in Fig. 3 by the mutual cross-lapping uniform winding of Fig. 2 or fiberglass cloth tape epoxy resin-impregnated compound, the insulating barrier uniform winding is completed insulating barrier and is wound around to thickness of insulating layer and the length of design;
C, all making of pressure screen: the uniform winding last layer is all pressed screen material on insulating barrier, and needing thickness d and the length △ L of uniform winding is design size, and canoe is the hoop uniform pitch canoe shown in Fig. 3; All press screen material to be: aluminium foil, woven wire, semi-conducting material or conductive carbon fibre material;
D, all press the screen layer to be wound around to complete after continuation be wound around insulating barrier thereon, insulating barrier also is wound to design thickness and length, insulating barrier and capacitance plate layer alternately are wound around the interval setting, until be wound to design size;
E, outer shielding layer make: insulating barrier with all press screen alternately to be wound around the interval to arrange and be wound to design size; Outer shielding layer is used shield on the identical mode uniform winding of canoe and its with all pressing; As shown in Figure 1, need to be in the position that requires when being wound around pre-buried earth connection 5;
F, insulation external protection are made: the canoe of insulation external protection 6 is identical with the insulating barrier canoe, is wound to required thickness and length.
G, curing: solidified 2 hours under 90 ℃ after the insulation external protection is wound around and completes; Solidified 2 hours under 120 ℃; Solidify under 155 ℃ and completed curing in 4 hours;
H, anti-aging layer are made: the buses of insulation tubes blank that curing is completed is processed into designing requirement shape and physical dimension on machining apparatus, surface treatment is smooth without burr, begin to make anti-aging layer, can adopt that silicon rubber is bonding, heat-shrink tube pyrocondensation and spraying RTV coating mode make.
Completing buses of insulation tubes makes.
Claims (8)
1. a buses of insulation tubes, is characterized in that, comprises contact tube, insulating barrier, all presses screen, outer shielding layer, earth connection, insulation external protection, and anti-aging layer forms, and described contact tube is made by aluminum pipe or copper pipe; Described insulating barrier is wrapped on contact tube by glass fiber impregnated insulating cement, and reach desired size, the described screen of all pressing is formed by band shape, tow shape conductor or semi-conducting material uniform winding, and after described all pressures screen and insulating barrier alternately are wound to and require size, be wound around outer shielding layer thereon, and at the pre-buried earth connection of the desired location of outer shielding layer; Be wound around the insulation external protection outside outer shielding layer; Solidify under design temperature and time, make anti-aging layer on the surface.
According to claim 1 described in buses of insulation tubes, it is characterized in that, described glass fibre is e-glass fiber roving or fiberglass cloth tape; Described insulating cement is mixture of epoxy resins; All pressing the conductor in screen material is aluminium foil, woven wire or conductive carbon fibre.
3. arbitrary described buses of insulation tubes according to claim 1 and 2, is characterized in that, described surperficial anti-aging layer is RTV coating.
4. a method of producing buses of insulation tubes, is characterized in that, comprises the following steps:
A, contact tube is cleaned up, be installed on wrapping machine, stand-by;
B, insulating barrier are made: uniform winding insulating barrier on contact tube, insulating barrier are wound to thickness of insulating layer and the length of setting, and insulating barrier is wound around and completes;
C, all press screen to make: after insulating barrier was wound around and completes, the uniform winding ground floor was all pressed screen thereon, all pressed the screen layer to be wound to all pressures screen layer thickness and the length of setting, all pressed the screen layer to be wound around and completed; After all pressing the winding of screen layer to complete, continuation is wound around insulating barrier thereon, and insulating barrier also is wound to sets thickness and length; Insulating barrier with all press screen alternately to be wound around the interval winding is set, until design size;
D, outer shielding layer make: insulating barrier with all press screen alternately to be wound around the interval to arrange and be wound to design size; With the outer shielding layer uniform winding on it; Need to be at the pre-buried earth connection in the position that requires when being wound around;
E, insulation external protection are made: the external protection that will insulate is wrapped on outer shielding layer uniformly, and is wound to required thickness and length;
F, curing: the insulation external protection is completed curing after being wound around and completing in requiring temperature and time;
G, anti-aging layer are made: the buses of insulation tubes blank surface treatment that curing is completed is smooth without burr, make anti-aging layer, and complete buses of insulation tubes and make.
5. the method for production buses of insulation tubes according to claim 4, is characterized in that, the described screen of all pressing is identical with the canoe of described outer shielding layer, and its canoe is hoop uniform pitch canoe.
6. the method for production buses of insulation tubes according to claim 4, is characterized in that, described insulating barrier is identical with the canoe of insulation external protection, and its canoe is that the hoop uniform pitch is wound around or mutual cross-lapping uniform winding mode is wound around.
7. the method for production buses of insulation tubes according to claim 4, is characterized in that, described contact tube material and its cross-sectional area will be set according to requirement and the material current density of electric current, to guarantee the electric conductivity of buses of insulation tubes.
8. the method for production buses of insulation tubes according to claim 4, is characterized in that, described anti-aging layer can adopt that silicon rubber is bonding, heat-shrink tube pyrocondensation or spraying RTV coating mode are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013100761722A CN103117117A (en) | 2013-03-11 | 2013-03-11 | Insulation tube bus and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013100761722A CN103117117A (en) | 2013-03-11 | 2013-03-11 | Insulation tube bus and manufacturing method thereof |
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| CN103117117A true CN103117117A (en) | 2013-05-22 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466848A (en) * | 2014-12-24 | 2015-03-25 | 江苏万奇电器集团有限公司 | Multi-insulation-structure pouring type middle-high voltage bus duct |
| CN104900340A (en) * | 2015-05-14 | 2015-09-09 | 江苏沃能电气科技有限公司 | Insulated pipe type bus production method |
| CN104900350A (en) * | 2015-05-14 | 2015-09-09 | 江苏沃能电气科技有限公司 | Dry-type capacitor type composite insulating sleeve pipe production method |
| CN104934136A (en) * | 2015-04-27 | 2015-09-23 | 中国科学院等离子体物理研究所 | Processing technology of insulated ground shielding layer of CICC super-conducting bus |
| CN105469877A (en) * | 2015-12-18 | 2016-04-06 | 苏州翠南电子科技有限公司 | Novel composite silicone rubber solid insulation bus |
| CN105590706A (en) * | 2016-02-01 | 2016-05-18 | 大连耐道电器有限公司 | Production technology method of glass fiber reinforced plastic capacitance transformer bushing |
| CN105825956A (en) * | 2015-01-05 | 2016-08-03 | 如皋天安电气科技有限公司 | Method for processing novel composite silicone rubber solid insulated bus |
| CN105825951A (en) * | 2016-05-23 | 2016-08-03 | 长葛市恒瑞电瓷电器有限公司 | Insulated tubular bus-bar |
| CN106782918A (en) * | 2016-12-20 | 2017-05-31 | 镇江程灿科技服务有限公司 | A kind of preparation method of equivalent potential screen cast heavy-current bus-bars |
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| EP0278611A1 (en) * | 1987-02-03 | 1988-08-17 | Chomerics, Inc. | Combined busbar and electrical lead |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466848A (en) * | 2014-12-24 | 2015-03-25 | 江苏万奇电器集团有限公司 | Multi-insulation-structure pouring type middle-high voltage bus duct |
| CN105825956A (en) * | 2015-01-05 | 2016-08-03 | 如皋天安电气科技有限公司 | Method for processing novel composite silicone rubber solid insulated bus |
| CN104934136A (en) * | 2015-04-27 | 2015-09-23 | 中国科学院等离子体物理研究所 | Processing technology of insulated ground shielding layer of CICC super-conducting bus |
| CN104934136B (en) * | 2015-04-27 | 2017-08-08 | 中国科学院等离子体物理研究所 | The processing technology of the insulation screen layer over the ground of armored cable conductor superconducting bus |
| CN104900340A (en) * | 2015-05-14 | 2015-09-09 | 江苏沃能电气科技有限公司 | Insulated pipe type bus production method |
| CN104900350A (en) * | 2015-05-14 | 2015-09-09 | 江苏沃能电气科技有限公司 | Dry-type capacitor type composite insulating sleeve pipe production method |
| CN104900350B (en) * | 2015-05-14 | 2017-03-01 | 江苏沃能电气科技有限公司 | A kind of dry-type capacitance type compound insulation sleeve pipe production method |
| CN105469877A (en) * | 2015-12-18 | 2016-04-06 | 苏州翠南电子科技有限公司 | Novel composite silicone rubber solid insulation bus |
| CN105590706A (en) * | 2016-02-01 | 2016-05-18 | 大连耐道电器有限公司 | Production technology method of glass fiber reinforced plastic capacitance transformer bushing |
| CN105590706B (en) * | 2016-02-01 | 2017-12-22 | 大连耐道电器有限公司 | A kind of manufacturing technique method of glass fibre reinforced plastic capacitance bushing shell for transformer |
| CN105825951A (en) * | 2016-05-23 | 2016-08-03 | 长葛市恒瑞电瓷电器有限公司 | Insulated tubular bus-bar |
| CN106782918A (en) * | 2016-12-20 | 2017-05-31 | 镇江程灿科技服务有限公司 | A kind of preparation method of equivalent potential screen cast heavy-current bus-bars |
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Application publication date: 20130522 |