CN103594163A - Local self-adhesive paint layer paper insulation enamel-cover combination wire for transformer and production method - Google Patents
Local self-adhesive paint layer paper insulation enamel-cover combination wire for transformer and production method Download PDFInfo
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- CN103594163A CN103594163A CN201310574837.2A CN201310574837A CN103594163A CN 103594163 A CN103594163 A CN 103594163A CN 201310574837 A CN201310574837 A CN 201310574837A CN 103594163 A CN103594163 A CN 103594163A
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Abstract
The invention relates to a local self-adhesive paint layer paper insulation enamel-cover combination wire for a transformer and a production method, and belongs to the technical field of transformer winding wires. According to the technical scheme, each copper strap wire (1) is externally provided with an acetal paint layer (2) to form an enamel-cover wire. The cross section of each enamel-cover wire is of a rectangular structure, the outer side of one long edge of each cross section is painted with a local self-adhesive paint layer (3), and the outer sides of the two short edges and the outer side of the other long edge of each cross section are not painted with the local self-adhesive paint layers (3). Two enamel-cover wires are arranged in an up-and-down mode, the surfaces, painted with the local self-adhesive paint layers (3), of the two enamel-cover wires are in contact, a wire bundle is formed by the two enamel-cover wires, and a paper insulation layer (4) is arranged on the outer side of the wire bundle. According to the local self-adhesive paint layer paper insulation enamel-cover combination wire and the production method, local discharge possibly caused by self-adhesive paint is completely avoided, adjustment work on the axial height of a coil after winding processing is reduced, the winding space factors are improved, the cost of the self-adhesive enamel-cover wires is reduced, the voltage withstanding level of a single-face paint film can achieve more than 5000v, and a winding can have the good cooling effect.
Description
Technical field
The present invention relates to local self-adhesion enamelled coating paper insulation enamel-cover assemble line and production method for a kind of transformer, for making Transformer Winding, belong to Transformer Winding lead technology field.
Background technology
High-performance self-adhesive enameled wire is to take acetal enameled sheet wire as basis, outer painting self-adhesion paint forms, it is the ideal material of producing self-adhesion enamel-cover composite conductor, in electromagnetic wire industry, mostly the self-adhesion paint film of self-adhesive enameled wire product is all to cover wire at present, in transformer coil solidification process, self-adhesion paint can flow to the space between R angle, form one deck self-adhesive layer and fill up the gap between single cord fillet, this part self-adhesion enamelled coating does not have adhesive effect, not only can increase the overall dimension of wire, affect the heat radiation of wire, also likely form the bubble that can not be full of with oil and cause the partial discharge under high voltage.Continuous increase along with design of transformer capacity and electric pressure, requirement to the heat dispersion of tack composite conductor and electric property is also more and more higher, research and develop, manufacture modified form self-adhesive enameled wire material extremely urgent, the enamel-cover assemble line that background technology is produced can not meet the requirement of Transformer Winding.
Summary of the invention
The object of the invention is to provide local self-adhesion enamelled coating paper insulation enamel-cover assemble line and production method for a kind of transformer, avoided the partial discharge that may be produced by self-adhesion paint completely, and reduced coiling and processed the adjustment work on rear coil axial height, improved the space factor of winding, the consumption that has simultaneously reduced self-adhesion paint, has reduced self-adhesive enameled wire cost, more than one side paint film proof voltage grade can reach 5000v, make winding there is better cooling effect, solve the problem existing in background technology.
Technical scheme of the present invention is:
With a local self-adhesion enamelled coating paper insulation enamel-cover assemble line, comprise copper strap wire, acetal enamelled coating, local self-adhesion enamelled coating and paper insulation layer, every copper strap wire outside is provided with acetal enamelled coating, is enamelled wire; Enamelled wire cross section is rectangular configuration, and on cross section, long outside of (wide face) is on one side coated with local self-adhesion enamelled coating, and the long outside of (wide face) on one side of two shorter one side, cross section (leptoprosopy) and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts, and two enamelled wires form bundle conductors, and the outside of bundle conductor is provided with paper insulation layer; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%.
A production method for local self-adhesion enamelled coating paper insulation enamel-cover assemble line for transformer, comprises following processing step: 1. on copper strap wire, being coated with acetal enamelled coating, is enamelled wire; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%; 2. enamelled wire cross section is rectangular configuration, and on cross section, long outside of (wide face) is on one side coated with local self-adhesion enamelled coating, and the long outside of (wide face) on one side of two shorter one side, cross section (leptoprosopy) and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts; 3. the local self-adhesion enamelled coating surface of enamelled wire is contacted, replace and make, two enamelled wires form bundle conductor, and at the outside of bundle conductor full packaged insulation materials ply of paper, carry out rolling on take-up reel, become finished product.
The invention has the beneficial effects as follows: the present invention adopts local self-adhesion enamelled coating, the one side that paper insulation enameled transposition conductor only contacts at enamelled wire is coated with local self-adhesion paint, with this kind of thread transposed conductor of enamel-cover, avoided the partial discharge that may be produced by self-adhesion paint completely, and reduced coiling and processed the adjustment work on rear coil axial height, improved the space factor of winding, reduced the consumption of self-adhesion paint simultaneously, reduced self-adhesive enameled wire cost, one side paint film proof voltage grade makes winding have better cooling effect more than can reaching 5000v.
Accompanying drawing explanation
Fig. 1 is product cross section schematic diagram of the present invention;
In figure: copper strap wire 1, acetal enamelled coating 2, local self-adhesion enamelled coating 3, paper insulation layer 4.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
With a local self-adhesion enamelled coating paper insulation enamel-cover assemble line, comprise copper strap wire 1, acetal enamelled coating 2, local self-adhesion enamelled coating 3 and paper insulation layer 4, every copper strap wire outside is provided with acetal enamelled coating, is enamelled wire; Enamelled wire cross section is rectangular configuration, and on cross section, long outside of (wide face) is on one side coated with local self-adhesion enamelled coating, and the long outside of (wide face) on one side of two shorter one side, cross section (leptoprosopy) and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts, and two enamelled wires form bundle conductors, and the outside of bundle conductor is provided with paper insulation layer; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%.
A production method for local self-adhesion enamelled coating paper insulation enamel-cover assemble line for transformer, comprises following processing step: 1. on copper strap wire, being coated with acetal enamelled coating, and suppressing hardness, is enamelled wire; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%; 2. enamelled wire cross section is rectangular configuration, and on cross section, long outside of (wide face) is on one side coated with local self-adhesion enamelled coating, and the long outside of (wide face) on one side of two shorter one side, cross section (leptoprosopy) and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts; 3. the local self-adhesion enamelled coating surface of enamelled wire is contacted, replace and make, two enamelled wires form bundle conductor, and at the outside of bundle conductor full packaged insulation materials ply of paper, carry out rolling on take-up reel, become finished product.
In production process, guarantee the stability of distribution boundary explicitly and paint film distribution and the thickness of local self-adhesion enamelled coating, for shorter one side of rectangular configuration, enamelled wire cross section (leptoprosopy) designing requirement of not painting, during japanning, self-adhesion paint keeps being coated in uniformly under constant pressure, constant flow rate, constant speed enamelled wire cross section rectangular configuration long (wide face) on one side.
Claims (2)
1. a local self-adhesion enamelled coating paper insulation enamel-cover assemble line for transformer, is characterized in that: comprise copper strap wire (1), acetal enamelled coating (2), local self-adhesion enamelled coating (3) and paper insulation layer (4), every copper strap wire outside is provided with acetal enamelled coating, is enamelled wire; Enamelled wire cross section is rectangular configuration, and on cross section, long outside is on one side coated with local self-adhesion enamelled coating, and the long outside on one side of shorter one side, two, cross section and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts, and two enamelled wires form bundle conductors, and the outside of bundle conductor is provided with paper insulation layer; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%.
2. a production method for local self-adhesion enamelled coating paper insulation enamel-cover assemble line for transformer, is characterized in that comprising following processing step: 1. on copper strap wire, being coated with acetal enamelled coating, is enamelled wire; The stress R of copper strap wire when plastic elongation rate is 0.2%
p0.2reach 240-260Mpa, and resistivity is less than 0.017241 Ω mm
2/ m, percentage elongation is greater than 18%; 2. enamelled wire cross section is rectangular configuration, and on cross section, long outside of (wide face) is on one side coated with local self-adhesion enamelled coating, and the long outside of (wide face) on one side of two shorter one side, cross section (leptoprosopy) and another one is not coated with local self-adhesion enamelled coating; Two enamelled wires layout that is arranged above and below, the surface that two enamelled wires scribble local self-adhesion enamelled coating contacts; 3. the local self-adhesion enamelled coating surface of enamelled wire is contacted, replace and make, two enamelled wires form bundle conductor, and at the outside of bundle conductor full packaged insulation materials ply of paper, carry out rolling on take-up reel, become finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574837.2A CN103594163A (en) | 2013-11-18 | 2013-11-18 | Local self-adhesive paint layer paper insulation enamel-cover combination wire for transformer and production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310574837.2A CN103594163A (en) | 2013-11-18 | 2013-11-18 | Local self-adhesive paint layer paper insulation enamel-cover combination wire for transformer and production method |
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| Publication Number | Publication Date |
|---|---|
| CN103594163A true CN103594163A (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310574837.2A Pending CN103594163A (en) | 2013-11-18 | 2013-11-18 | Local self-adhesive paint layer paper insulation enamel-cover combination wire for transformer and production method |
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| CN (1) | CN103594163A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448836A (en) * | 2016-12-06 | 2017-02-22 | 保定天威线材制造有限公司 | Partial self-adhesive enameling layer high temperature and high adhesive strength transposed wire and producing method thereof |
Citations (5)
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|---|---|---|---|---|
| CN201069671Y (en) * | 2007-08-13 | 2008-06-04 | 无锡统力电工有限公司 | Single-side self-adhesive aldehyde lacquer coated combined lead |
| CN201402641Y (en) * | 2009-04-23 | 2010-02-10 | 上海杨行铜材有限公司 | Enameled and paper-covered composite conductor with bondcoats applied on one side |
| CN101800118A (en) * | 2010-03-12 | 2010-08-11 | 刘松 | Novel double-compound self-adhesion lead wire |
| JP2012193417A (en) * | 2011-03-17 | 2012-10-11 | Hitachi Cable Ltd | Soft dilute-copper alloy wire, soft dilute-copper alloy twisted wire and insulated wire, coaxial cable and composite cable using the same |
| CN203552747U (en) * | 2013-11-18 | 2014-04-16 | 保定天威集团有限公司 | Transformer paper-insulated enamelled combination wire with partial self-adhesive enamelled coatings |
-
2013
- 2013-11-18 CN CN201310574837.2A patent/CN103594163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069671Y (en) * | 2007-08-13 | 2008-06-04 | 无锡统力电工有限公司 | Single-side self-adhesive aldehyde lacquer coated combined lead |
| CN201402641Y (en) * | 2009-04-23 | 2010-02-10 | 上海杨行铜材有限公司 | Enameled and paper-covered composite conductor with bondcoats applied on one side |
| CN101800118A (en) * | 2010-03-12 | 2010-08-11 | 刘松 | Novel double-compound self-adhesion lead wire |
| JP2012193417A (en) * | 2011-03-17 | 2012-10-11 | Hitachi Cable Ltd | Soft dilute-copper alloy wire, soft dilute-copper alloy twisted wire and insulated wire, coaxial cable and composite cable using the same |
| CN203552747U (en) * | 2013-11-18 | 2014-04-16 | 保定天威集团有限公司 | Transformer paper-insulated enamelled combination wire with partial self-adhesive enamelled coatings |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106448836A (en) * | 2016-12-06 | 2017-02-22 | 保定天威线材制造有限公司 | Partial self-adhesive enameling layer high temperature and high adhesive strength transposed wire and producing method thereof |
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Application publication date: 20140219 |