CN102394125A - Self-adhesive glassfiber wrapped enameled flat copper wire for wind driven generator - Google Patents
Self-adhesive glassfiber wrapped enameled flat copper wire for wind driven generator Download PDFInfo
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- CN102394125A CN102394125A CN2011103315086A CN201110331508A CN102394125A CN 102394125 A CN102394125 A CN 102394125A CN 2011103315086 A CN2011103315086 A CN 2011103315086A CN 201110331508 A CN201110331508 A CN 201110331508A CN 102394125 A CN102394125 A CN 102394125A
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Abstract
The invention provides a self-adhesive glassfiber wrapped enameled flat copper wire for a wind driven generator and belongs to the technical field of electrical materials. The self-adhesive glassfiber wrapped enameled flat copper wire comprises a conductor, a paint film layer which is wrapped on the surface of the conductor, a wrapping layer which is wrapped on the exterior of the paint film layer and a self-adhesive layer which is wrapped on the exterior of the wrapping layer. The flat copper wire provided by the invention has the following advantages: the breakdown voltage value is greater than or equal to 3000V, and online detection with 1500V (power frequency) can be realized without a breakdown point; and the copper wire is convenient to manufacture and has good self-adhesive performance, excellent strength and well flexibility.
Description
Technical field
The invention belongs to the electrical material technical field, be specifically related to a kind of wind-driven generator tack glass fiber bag enameling copper strap wire
Background technology
are in order to cash the promise in the global climate meeting of holding in Copenhagen; Promptly reduce discharging 40-50% at the year two thousand twenty; Add that China has got into the low-carbon economy transitional period; The development green energy resource is accelerated the energy-saving and emission-reduction paces and is used to economize on resources and become the common recognition of the whole society, and wind-driven generator generally is regarded as new forms of energy and extremely people's attention and the attention in the current and even later period.
are present; The wind turbine generator of China is mainly used two kinds of permanent magnet synchronous direct-drive wind power generator and dual-feed asynchronous wind power generators; Wherein: direct-drive aerogenerator can reduce the fault that causes because of gear box effectively owing to non-gear box, improves the operational reliability and the life-span of system, reduces maintenance cost; Thereby obtaining the favor in market, the application percentage of direct-drive aerogenerator is improving constantly.But; Because the price of the permanent magnetic material that the permanent magnet direct-drive synchronous machine of direct-drive aerogenerator is used skyrockets with surprising rapidity in recent years and reaches more than ten times; And embodied the phenomenon of putting the cart before the horse; So-called putting the cart before the horse is: the price of permanent magnetic material is considerably beyond the price of complete machine, thereby suppresses and even hindered the application and the popularization of direct-drive aerogenerator to a great extent.
are undoubted, replace permanent magnetic material can solve aforesaid puzzlement with the solenoid isolation line.In disclosed Chinese patent document, is no lack of the technical scheme that is seen in about the solenoid isolation line; Slightly there is the wrapped film of mica tape to apply that copper strap wire and processing technology thereof, CN201741446U recommend to have the wrapped copper strap wire of dual-glass fiber mica film band, CN201465623U to provide that double glass fiber polyimides fluorine 46 compound wrapped copper strap wires, CN201893149U disclose glass fiber bag enameling copper strap wire, CN201853516U and publicly allly have a kind of double glass fiber copper-clad lenticular wire, CN201893148U to disclose double glass fiber copper-clad lenticular wire is arranged, CN201956097U discloses the single glass cloth bag laminated film of anti-corona sintering copper flat wire is arranged, the CN201590282 instruction has high heat conduction glass fiber copper-clad lenticular wire and CN201788738U to propose have a kind of ultrathin dual-polyester glass fiber to hold the bag sintering copper flat wire with introducing of giving an example like: CN102034569A, or the like.
The solenoid isolation line that
are not limited to above-mentioned publication and provide all exists the space that withstand voltage properties and pulse performance and pliability etc. are promoted with necessary.For this reason, the applicant has carried out good try, and the technical scheme that will introduce below is based on producing under this prerequisite
Summary of the invention
task of the present invention is to provide a kind of and helps to improve the class of insulation and use and satisfy breakdown voltage value and be not less than 3kv and require, help both ensureing that intensity embodies the wind-driven generator tack glass fiber bag enameling copper strap wire of ideal flexible.
task of the present invention is accomplished like this, and a kind of wind-driven generator tack glass fiber bag enameling copper strap wire comprises conductor; Paint film layer, this paint film layer is coated on said surface of conductors; Lapping layer, this lapping layer is wrapped outside said paint film layer, self-adhesive layer, this self-adhesive layer is positioned at outside the lapping layer.
in a concrete embodiment of the present invention, described conductor is flat copper conductor, and the thickness of this conductor is 0.5-6 ㎜, and width is 2-16 ㎜.
in another concrete embodiment of the present invention, described paint film layer is that temperature resistant grade is 155 grades a polyester paint film layer.
in another concrete embodiment of the present invention, described paint film layer is that temperature resistant grade is 180 grades a polyester-imide paint film layer.
in another concrete embodiment of the present invention, described paint film layer is that temperature resistant grade is 200 grades polyester paint film layer or polyester-imide and the polyamidoimide mutually compound paint film layer mutually compound with polyamidoimide.
also have among the concrete embodiment of the present invention, and described paint film layer is that temperature resistant grade is 240 grades an aromatic polyimide paint film layer.
more of the present invention and among concrete embodiment, the thickness of described paint film layer is 0.06-0.17 ㎜, the number of plies of described lapping layer is one deck or two-layer.
in of the present invention and then the concrete embodiment, described lapping layer is wrapped outside described paint film layer under the state of impregnated insulating paint.
are of the present invention again more and among concrete embodiment; Described lapping layer is a glass fiber; The number of described glass fiber is 80S, 160S, 250S, 360S or 600S, and the dipping temperature resistant grade is 155 grades epoxy type insulating varnish, the diphenyl ether insulating varnish that temperature resistant grade is 180 grades, modified poly ester insulating varnish or the polyester-imide class insulating varnish that temperature resistant grade is 180 grades when wrapped.
Among
again of the present invention and then concrete embodiment; Described self-adhesive layer is hot melt lacquer or PUR, described hot melt lacquer or PUR be the modified epoxy class, based on aliphat copolyamide class or based on the hot melt lacquer or the PUR of aromatic copolyamides class.
technical scheme breakdown voltage value>=3000V provided by the invention, the no breakdown point of online detection 1500V (power frequency); Easy to process and the self-adhesion performance is good; Not only have excellent intensity but also have good pliability.
Description of drawings
Fig. 1 is the embodiments of the invention structure chart.
Embodiment
can be expressly understood technical spirit of the present invention and beneficial effect more for the auditor that the makes Patent Office especially public; The applicant general elaborates with the mode of embodiment below; But the description to embodiment all is not the restriction to the present invention program, any according to the present invention design done only for pro forma but not substantial equivalent transformation all should be regarded as technical scheme category of the present invention.
Embodiment 1:
Fig. 1 is asked for an interview in
, has provided conductor 1, and this conductor 1 is 2 ㎜ for thickness; And width is the copper strap wire of 10 ㎜; The paint film layer 2 employing temperature resistant grades that are combined in the surface that promptly is incorporated into conductor 1 outside the conductor 1 are 155 grades polyester lacquer, and the thickness of this paint film layer 2 is 0.06 ㎜, wrapped lapping layer 3 outside paint film layer 2; This lapping layer 3 is the glass fiber of 250S; And the wrapped number of plies is one deck, and when wrapped, glass fiber being flooded temperature resistant grade is 155 grades epoxy type insulating varnish, thereby obtains wind-driven generator tack glass fiber bag enameling copper strap wire.Promptly flooding temperature resistant grade at impregnated insulating paint is the lapping layer 3 that will be filled the post of by glass fiber under 155 grades the state of epoxy type insulating varnish; The wrapped oven for drying of introducing outside paint film layer 2 time; Again outside lapping layer 3 promptly at the surface-coated self-adhesive layer 4 of lapping layer 3, self-adhesive layer 4 places drying in oven for to be the PUR of modified epoxy class; Inviscid under the normal temperature state, under 140-200 ℃, have excellent cohesive force.
Embodiment 2:
figure slightly changes the thickness of conductor 1 into 0.5 ㎜, and width changes 3 ㎜ into; Using paint film layer 2 instead temperature resistant grade is 200 grades the polyester paint film layer mutually compound with polyamidoimide; And the thickness of paint film layer 2 changes 0.0.11 ㎜ into, and the number of plies of lapping layer 3 changes into two-layer, adopts the glass fiber of 160S; When wrapped glass fiber being flooded temperature resistant grade is 180 grades modified poly ester insulating varnish, and self-adhesive layer 4 adopts the hot melt lacquer of modified epoxy classes.All the other are all with the description to embodiment 1.
Embodiment 3:
figure slightly; Change the thickness of conductor 1 into 6 ㎜, width changes 16 ㎜ into, and using paint film layer 2 instead temperature resistant grade is 240 grades aromatic polyimide lacquer; And change the thickness of paint film layer 2 into 0.12 ㎜; The number of plies of lapping layer 3 is two-layer, and adopts the glass fiber of 360S, and when wrapped glass fiber being flooded temperature resistant grade is 180 grades diphenyl ether insulating varnish.The PUR that self-adhesive layer 4 is used instead based on aliphat copolyamide class perhaps coats with lacquer based on the hot melt of aliphat copolyamide class.All the other are all with the description to embodiment 1.
Embodiment 4:
figure slightly; Change the thickness of conductor 1 into 1.5 ㎜, width changes 2 ㎜ into, and using paint film layer 2 instead temperature resistant grade is 200 grades polyimides and polyamidoimide lacquer; And the thickness of paint film layer 2 changes 0.14 ㎜ into; The number of plies of lapping layer 3 is one deck, and uses the glass fiber of 600S instead, and all the other are all with the description to embodiment 1.
Embodiment 5:
figure omits, and conductor 1 nominal size: the broadside nominal size is 2.6 ㎜, and narrow limit nominal size is 6.9 ㎜; Paint film layer 2 is 180 grades a polyester-imide insulating varnish, and paint film layer 2 is that the thickness of insulating varnish is 0.17 ㎜, wrapped lapping layer 3 outside paint film layer 2; Glass fiber one deck of 250S promptly is wrapped; When wrapped, glass fiber being flooded temperature resistant grade is 180 grades polyester-imide class insulating varnish, and the thickness that paint film layer 2 adds lapping layer 3 preferably is controlled at 0.1-0.18 ㎜ scope, preferably; Applying self-adhesive layer 4 at outermost again is hot melt lacquer or PUR based on the aromatic copolyamides class; Thickness is advisable to be no more than 0.03 ㎜, and total nominal insulation thickness is 0.30 ㎜, and thickness range is 0.225-0.30 ㎜.
Embodiment 6:
figure slightly; The nominal size of conductor 1: the broadside nominal size is 1.2 ㎜, and narrow limit nominal size is 4 ㎜, and paint film layer 2 is 200 grades of polyester-imides and polyamidoimide composite paint film layer; The thickness of paint film layer 2 is 0.12-0.17 ㎜; The lapping layer 3 that wrapped outside again one deck is filled the post of by the glass fiber of 360S when wrapped is 180 grades diphenyl ether insulating varnish with glass fiber glass fiber dipping temperature resistant grade, and the insulation mixed layer thickness that glass fiber and insulating varnish are formed is 0.08-0.13 ㎜; Outside lead, apply self-adhesion lacquer or the self-adhesive of self-adhesive layer 4 again for the modified epoxy class; Its thickness is no more than 0.03 ㎜, and total nominal insulation thickness is 0.25 ㎜, and thickness range is 0.213-0.25 ㎜.
The wind-driven generator tack glass fiber bag enameling copper strap wire stable performance that
are obtained by the foregoing description 1-6; Be that to carry out narrow spring on the pole of 2 ㎜ bent in diameter error; The breakdown voltage value of 5 samples all is not less than 3000V, the no breakdown point of online detection 1500V (power frequency).Each item performance conforms to the regulation of CNS GB/T7095-2008 " the flat winding wire of enamel-cover copper " respective level product standard.
when the coiling moulding, do not need cushioning gelatin substance on coil again because this product has the self-adhesion performance, make coil be easy to shaping and demoulding, have saved production man-hour widely.Get the sample six roots of sensation of two long 150 ㎜ ± 10 ㎜, two samples partner, and are overlapped with the broadside of line; Overlap joint director (2 ± 01) ㎜ is respectively charged into anchor clamps with three pairs of samples, after clamping with certain power; Sample is put into the air blast insulating box of (180 ± 3) ℃ together with mould, take out behind the 20min and naturally cool to room temperature, pressure relief; Take out sample, on tensile testing machine, carry out tension test, clamp distance is 200 ㎜; The junction should be in the centre of gauge length, and draw speed is (60 ± 10) mm/min, and three pairs of sample measurement values are not less than 2MPa
Claims (10)
1.
a kind of wind-driven generator tack glass fiber bag enameling copper strap wire is characterized in that comprising conductor (1); Paint film layer (2), this paint film layer (2) is coated on the surface of said conductor (1); Lapping layer (3), this lapping layer (3) is wrapped outside said paint film layer (2), self-adhesive layer (4), this self-adhesive layer (4) is positioned at outside the lapping layer (3).
2.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire is characterized in that described conductor (1) is flat copper conductor, and the thickness of this conductor (1) is 0.5-6 ㎜, and width is 2-16 ㎜.
3.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire is characterized in that described paint film layer (2) is 155 grades polyester paint film layer for temperature resistant grade.
4.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire is characterized in that described paint film layer (2) is 180 grades polyester-imide paint film layer for temperature resistant grade.
5.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire is characterized in that described paint film layer (2) is 200 grades polyester paint film layer or polyester-imide and the polyamidoimide mutually compound paint film layer mutually compound with polyamidoimide for temperature resistant grade.
6.
is characterized in that according to claim 1 or the described wind-driven generator tack of the arbitrary claim of 3-5 glass fiber bag enameling copper strap wire described paint film layer (2) is 240 grades aromatic polyimide paint film layer for temperature resistant grade.
7.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire, the thickness that it is characterized in that described paint film layer (2) is 0.06-0.17 ㎜, the number of plies of described lapping layer (3) is one deck or two-layer.
8.
wind-driven generator tack glass fiber bag according to claim 1 enameling copper strap wire is characterized in that described lapping layer (3) is wrapped outside described paint film layer (2) under the state of impregnated insulating paint.
9.
wind-driven generator tack glass fiber bag according to claim 8 enameling copper strap wire; It is characterized in that described lapping layer (3) is a glass fiber; The number of described glass fiber is 80S, 160S, 250S, 360S or 600S, and the dipping temperature resistant grade is 155 grades epoxy type insulating varnish, the diphenyl ether insulating varnish that temperature resistant grade is 180 grades, modified poly ester insulating varnish or the polyester-imide class insulating varnish that temperature resistant grade is 180 grades when wrapped.
10.
Wind-driven generator tack glass fiber bag enameling copper strap wire according to claim 1; It is characterized in that described self-adhesive layer (4) is hot melt lacquer or PUR, described hot melt lacquer or PUR be the modified epoxy class, based on aliphat copolyamide class or based on the hot melt lacquer or the PUR of aromatic copolyamides class
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103315086A CN102394125A (en) | 2011-10-27 | 2011-10-27 | Self-adhesive glassfiber wrapped enameled flat copper wire for wind driven generator |
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| CN2011103315086A CN102394125A (en) | 2011-10-27 | 2011-10-27 | Self-adhesive glassfiber wrapped enameled flat copper wire for wind driven generator |
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| CN102394125A true CN102394125A (en) | 2012-03-28 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623084A (en) * | 2012-04-28 | 2012-08-01 | 湖南新新线缆有限公司 | Glass-fiber covered enameled rectangular copper wire for electric excitation coil and production process thereof |
| CN102737784A (en) * | 2012-05-17 | 2012-10-17 | 江苏金苇电气科技有限公司 | Processing method of glass fiber covered wire |
| CN103886940A (en) * | 2014-02-18 | 2014-06-25 | 海安县天星电工材料有限公司 | Glass silk coating film electrical flat copper wire |
| CN104092324A (en) * | 2014-07-21 | 2014-10-08 | 苏州贯龙电磁线股份有限公司 | Double-insulation electromagnetic wire for wind turbine generator |
| CN104112550A (en) * | 2013-08-17 | 2014-10-22 | 赣州三进特种漆包线有限公司 | Manufacturing method for aluminum copper alloy enameled wire |
| CN104851485A (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Sealed type water-resistant electromagnetic wire |
| CN104851486A (en) * | 2015-05-22 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Environment-friendly electromagnetic wire |
| CN105048681A (en) * | 2015-06-30 | 2015-11-11 | 蓬莱市特种绝缘材料厂 | Motor insulation system for nuclear power units |
| CN105139927A (en) * | 2015-06-30 | 2015-12-09 | 蓬莱市特种绝缘材料厂 | Electromagnetic wire for nuclear power unit and preparation method of electromagnetic wire |
| CN105427929A (en) * | 2015-12-30 | 2016-03-23 | 合肥星辰电线电缆股份有限公司 | Electrically-driven DC motor enamelled rectangular section conductor |
| CN105913920A (en) * | 2016-06-27 | 2016-08-31 | 浙江长城电工科技股份有限公司 | Polyamide imide flat wire for dual-layer paint film wind generator |
| CN110492646A (en) * | 2019-08-08 | 2019-11-22 | 中国长江动力集团有限公司 | The electric generator rotor coil of turn-to-turn insulation structure and its composition |
| CN114038612A (en) * | 2020-12-16 | 2022-02-11 | 金杯电工电磁线有限公司 | high-PDIV insulated electromagnetic wire and preparation method and application thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623084A (en) * | 2012-04-28 | 2012-08-01 | 湖南新新线缆有限公司 | Glass-fiber covered enameled rectangular copper wire for electric excitation coil and production process thereof |
| CN102623084B (en) * | 2012-04-28 | 2013-08-21 | 湖南新新线缆有限公司 | Production process of glass-fiber covered enameled rectangular copper wire for electric excitation coil |
| CN102737784A (en) * | 2012-05-17 | 2012-10-17 | 江苏金苇电气科技有限公司 | Processing method of glass fiber covered wire |
| CN104112550A (en) * | 2013-08-17 | 2014-10-22 | 赣州三进特种漆包线有限公司 | Manufacturing method for aluminum copper alloy enameled wire |
| CN103886940A (en) * | 2014-02-18 | 2014-06-25 | 海安县天星电工材料有限公司 | Glass silk coating film electrical flat copper wire |
| CN104092324A (en) * | 2014-07-21 | 2014-10-08 | 苏州贯龙电磁线股份有限公司 | Double-insulation electromagnetic wire for wind turbine generator |
| CN104851485A (en) * | 2015-05-21 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Sealed type water-resistant electromagnetic wire |
| CN104851486A (en) * | 2015-05-22 | 2015-08-19 | 苏州贯龙电磁线股份有限公司 | Environment-friendly electromagnetic wire |
| CN105048681A (en) * | 2015-06-30 | 2015-11-11 | 蓬莱市特种绝缘材料厂 | Motor insulation system for nuclear power units |
| CN105139927A (en) * | 2015-06-30 | 2015-12-09 | 蓬莱市特种绝缘材料厂 | Electromagnetic wire for nuclear power unit and preparation method of electromagnetic wire |
| CN105048681B (en) * | 2015-06-30 | 2018-02-27 | 蓬莱市特种绝缘材料厂 | A kind of nuclear power generating sets motor electrical insulation system |
| CN105427929A (en) * | 2015-12-30 | 2016-03-23 | 合肥星辰电线电缆股份有限公司 | Electrically-driven DC motor enamelled rectangular section conductor |
| CN105913920A (en) * | 2016-06-27 | 2016-08-31 | 浙江长城电工科技股份有限公司 | Polyamide imide flat wire for dual-layer paint film wind generator |
| CN110492646A (en) * | 2019-08-08 | 2019-11-22 | 中国长江动力集团有限公司 | The electric generator rotor coil of turn-to-turn insulation structure and its composition |
| CN114038612A (en) * | 2020-12-16 | 2022-02-11 | 金杯电工电磁线有限公司 | high-PDIV insulated electromagnetic wire and preparation method and application thereof |
| CN114038612B (en) * | 2020-12-16 | 2024-03-22 | 金杯电工电磁线有限公司 | High PDIV insulating electromagnetic wire and preparation method and application thereof |
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Application publication date: 20120328 |