CN101819831A - Composite rectangular electromagnetic wire and manufacturing method thereof - Google Patents
Composite rectangular electromagnetic wire and manufacturing method thereof Download PDFInfo
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- CN101819831A CN101819831A CN 201010184533 CN201010184533A CN101819831A CN 101819831 A CN101819831 A CN 101819831A CN 201010184533 CN201010184533 CN 201010184533 CN 201010184533 A CN201010184533 A CN 201010184533A CN 101819831 A CN101819831 A CN 101819831A
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Abstract
The invention relates to a composite rectangular electromagnetic wire. 10 to 30 single round aluminum wires coated with a polyester film or polyimide film are intertwisted and extruded into a rectangle; and the outer layer of the rectangle is wound by at least five layers of insulating materials to form the composite rectangular electromagnetic wire. The invention also comprises a manufacturing method for the composite rectangular electromagnetic wire. The composite rectangular electromagnetic wire of the invention has high insulativity and pressure resistance and high flexibility, is easy to wind into a ring, is used for winding a reactor winding, and saves man-hours. The composite rectangular electromagnetic wire is mainly used for winding a smoothing rector winding.
Description
Technical field
The present invention relates to a kind of insulating material lapping electromagnetic wire and manufacture method thereof, especially relate to a kind of rectangular electromagnetic wire and manufacture method thereof that is composited by many round aluminum conductors.
Background technology
At present, the electromagnetic wire that is used for the reactor winding be mostly single aluminium round wire or by many naked aluminium round wires stranded after the electromagnetic wire of bag insulation again, dielectric voltage withstand is low, coiling is time-consuming.
Disclose a kind of many flat conductor composite electromagnetic lines for Chinese patent ZL98236170.X number, this composite electromagnetic line is by many smooth being in juxtaposition of flat conductor close parallel, and then the wrapped insulation film and insulating paper or nonwoven fabrics gone up constitutes.Its dielectric voltage withstand performance is not good enough, and is difficult for the coiling lopping.
The Chinese invention patent application discloses a kind of rectangular aluminium cable wire No. 93107996.9, it is twisted into the naked round aluminum steel of multicore by the naked round aluminum steel of many single cores of ф 1.5mm-ф 5.0mm, be pressed into rectangle again, four jiaos of R2mm, three layers of wrapped then polyester films and alkali-free glass silk ribbon one deck constitute.It is desirable that its dielectric voltage withstand performance is still owed.
Summary of the invention
The object of the invention is to overcome existing reactor winding with the above-mentioned defective that electromagnetic wire exists, and provides a kind of dielectric voltage withstand performance good, and pliability is good, easily coiling lopping, composite rectangular electromagnetic wire that coiling efficient is high and manufacture method thereof.
The present invention seeks to be achieved through the following technical solutions:
The present invention's composite rectangular electromagnetic wire is surrounded with the stranded rectangle that is squeezed into of single circular aluminum wire of polyester film or polyimide film by the 10-30 root, and the wrapped more at least five layers of insulating material of skin constitute.
Described single circular aluminum wire is wrapped with polyester film or the preferred 0.02mm-0.03mm of polyimide film thickness.
Described outer layer insulation material can be polyester film, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper;
The further improved plan of following outer layer insulation material: the innermost layer preferred polyester film or the polyimide film of described outer layer insulation material, the preferred 0.02mm-0.03mm of the thickness of described polyester film or polyimide film; Outside polyester film or polyimide film, wrapped more at least four strata ester films, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper, the thickness of every strata ester film, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper is 0.02mm-0.13mm; The preferred 0.5mm-0.8mm of described outer layer insulation material gross thickness.
The present invention's composite rectangular electromagnetic wire manufacture method may further comprise the steps:
(1) according to user's needs wire gauge sectional dimension size, press the line footpath and the radical that calculate single aluminium round wire in effective cross-section/wire gauge cross section 〉=0.83, such as, the wire gauge of customer requirements 10mm * 13.5mm, the aluminium round wire line directly can be φ 2.78mm, and the aluminium round wire radical is 19;
(2) draw aluminium round wire core and annealing, the single aluminium round wire surface of drawing should bright and clean, no burr, no greasy dirt, and annealing time 4.5-5 hour, 380 ℃-450 ℃ of annealing temperatures; Then with aluminium round wire core lapped insulation material polyester film or polyimide film, wrapped polyester film of single aluminium round wire or polyimide film are withstand voltage 〉=6000V;
(3) it is stranded the 10-30 root to be surrounded with the single aluminium round wire transposition of polyester film or polyimide film, and implements twice by dynamic pressure type, must not damage the insulating barrier (being polyester film or polyimide film layer) of single aluminium round wire in the die mould process;
(4) will replace and strandedly be squeezed into the size that meets customer requirements by the 10-30 root aluminium round wire behind the dynamic pressure type, and must not damage single aluminium round wire insulating barrier in the extrusion process, the fillet part must not have wedge angle;
(5) wrapped outer layer insulation material;
(6) check, packing, warehouse-in.
The present invention's composite rectangular electromagnetic wire adopts the stranded extrusion modling that replaces of single insulation circle aluminum steel, and skin wraps insulating material again, and the dielectric voltage withstand performance is good, high pressure resistant reaching more than the 000V; The lead strands becomes recombination line, and flexibility is good, and easily coiling lopping is used for coiling reactor winding, saves man-hour, and solid conductor approximately needs a week around a coil, and adopts the composite rectangular aluminium round wire only to need time half a day; Heat resistance is good, can be anti-high temperature more than 130 ℃.
Description of drawings
Fig. 1 is the structural representation (cross-sectional view) of a kind of execution mode of composite rectangular electromagnetic wire of the present invention.
Embodiment
The invention will be further described below in conjunction with drawings and the embodiments.
First kind of execution mode
With reference to Fig. 1, the composite rectangular electromagnetic wire of present embodiment is by 14 stranded rectangles that are squeezed into of single circular aluminum wire 1 transposition that are surrounded with polyester film 2, and skin lapped insulation material 3 again constitutes;
The polyester film thickness of wrapped single circular aluminum wire 2 is 0.03mm.
The innermost layer of outer layer insulation material 3 is polyester film (or polyimide film), and the thickness of described polyester film (or polyimide film) is 0.03mm; Outside polyester film (or polyimide film), wrap 8 layers of mylar, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper that 0.06mm is thick again.
Manufacturing step:
(1) the customer requirements wire gauge is 5mm * 17mm, presses effective cross-section/wire gauge cross section=0.83 and calculates, and single aluminium round wire line directly is φ 2.5mm, and the aluminium round wire radical is 14;
(2) draw aluminium round wire core and annealing, the single round line any surface finish of drawing, no burr, no greasy dirt, annealing time 4.5 hours, 420 ℃ of annealing temperatures; Then with aluminium round wire core lapped insulation material polyester film or polyimide film, wrapped polyester film of single aluminium round wire or polyimide film are withstand voltage 〉=6000V;
(3) 14 single aluminium round wire transpositions that are surrounded with polyester film or polyimide film are stranded, and implement twice by dynamic pressure type, must not damage the polyester film or the polyimide film layer of single aluminium round wire in the die mould process;
(4) will replace and strandedly be squeezed into shape and the size that meets customer requirements by the aluminium round wire behind the dynamic pressure type, and must not damage single aluminium round wire insulating barrier in the extrusion process, the fillet part must not have wedge angle;
(5) wrapped outer layer insulation material;
(6) check, packing, warehouse-in.
Adopt composite rectangular electromagnetic wire coiling reactor winding of the present invention, the withstand voltage of reactor reaches 25500V, can anti-155 ℃ of high temperature; Shorten the coil winding time more than 90%.
Second kind of execution mode
The difference of the composite rectangular electromagnetic wire of the composite rectangular electromagnetic wire of present embodiment and first kind of execution mode only is that the line of single circular aluminum wire directly is φ 2.5mm, and radical is 19; The polyester film of wrapped single circular aluminum wire (or polyimide film) thickness is 0.02mm; Polyester film (or polyimide film) thickness of outer layer insulation material innermost layer is 0.02mm, and telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper thickness wrapped outside the nexine polyester film (or polyimide film) are 0.10mm, and the number of plies is 6 layers.Surplus with first kind of execution mode.
Manufacturing step: customer requirements wire gauge 10mm * 13.5mm, to press effective cross-section/wire gauge cross section=0.83 and calculate, the aluminium round wire line directly is φ 2.78mm, the aluminium round wire radical is 19; Aluminium round wire core annealing time 5 hours, 400 ℃ of annealing temperatures; Surplus with first kind of execution mode.
Adopt composite rectangular electromagnetic wire coiling reactor winding of the present invention, the withstand voltage of reactor reaches 26200V; Can anti-175 ℃ of high temperature; Shorten the coil winding time more than 90%.
Claims (10)
1. a composite rectangular electromagnetic wire is characterized in that, is surrounded with the stranded rectangle that is squeezed into of single circular aluminum wire of polyester film or polyimide film by the 10-30 root, and the wrapped more at least five layers of insulating material of skin constitute.
2. composite rectangular electromagnetic wire according to claim 1 is characterized in that, the wrapped thickness with polyester film or polyimide film of single circular aluminum wire is 0.02mm-0.03mm.
3. composite rectangular electromagnetic wire according to claim 1 and 2 is characterized in that, described outer lapped insulation material is polyester film, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper.
4. composite rectangular electromagnetic wire according to claim 3 is characterized in that, the innermost layer of described outer layer insulation material is polyester film or polyimide film.
5. composite rectangular electromagnetic wire according to claim 4 is characterized in that, the thickness of described polyester film or polyimide film is 0.02mm-0.03mm.
6. composite rectangular electromagnetic wire according to claim 4 is characterized in that, outside mylar or polyimide film, and wrapped more at least four strata membrane of lipoprotein, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper.
7. composite rectangular electromagnetic wire according to claim 6 is characterized in that, the thickness of every strata membrane of lipoprotein, polyimide film, telephone paper, cable paper, nonwoven fabrics or Nuo Mike paper is 0.02mm-0.13mm.
8. composite rectangular electromagnetic wire according to claim 1 and 2 is characterized in that, outer layer insulation material gross thickness is 0.5mm-0.8mm.
9. composite rectangular electromagnetic wire according to claim 3 is characterized in that, outer layer insulation material gross thickness is 0.5mm-0.8mm.
10. the manufacture method of a composite rectangular electromagnetic wire is characterized in that, may further comprise the steps:
(1) according to user's needs wire gauge sectional dimension size, press the line footpath and the radical that calculate single aluminium round wire in effective cross-section/wire gauge cross section 〉=0.83, such as, the wire gauge of customer requirements 10mm * 13.5mm, the aluminium round wire line directly can be φ 2.78mm, and the aluminium round wire radical is 19;
(2) draw aluminium round wire core and annealing, the single round line surface of drawing should bright and clean, no burr, no greasy dirt; Annealing time 4.5-5 hour, 380 ℃-450 ℃ of annealing temperatures; Then with aluminium round wire core lapped insulation material polyester film or polyimide film, wrapped polyester film of single aluminium round wire or polyimide film are withstand voltage 〉=6000V;
(3) it is stranded the 10-30 root to be surrounded with the single aluminium round wire transposition of polyester film or polyimide film, and implements twice by dynamic pressure type, must not damage the insulating barrier of single aluminium round wire in the die mould process;
(4) will replace and strandedly be squeezed into the size that meets customer requirements by the 10-30 root aluminium round wire behind the dynamic pressure type, and must not damage single aluminium round wire insulating barrier in the extrusion process, the fillet part must not have wedge angle;
(5) wrapped outer layer insulation material;
(6) check, packing, warehouse-in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101845331A CN101819831B (en) | 2010-05-27 | 2010-05-27 | Composite rectangular electromagnetic wire and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101845331A CN101819831B (en) | 2010-05-27 | 2010-05-27 | Composite rectangular electromagnetic wire and manufacturing method thereof |
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| CN101819831A true CN101819831A (en) | 2010-09-01 |
| CN101819831B CN101819831B (en) | 2011-04-27 |
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| CN2010101845331A Expired - Fee Related CN101819831B (en) | 2010-05-27 | 2010-05-27 | Composite rectangular electromagnetic wire and manufacturing method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070402A (en) * | 2015-08-13 | 2015-11-18 | 无锡统力超导科技有限公司 | Superconducting flat twisted cable and manufacturing technology thereof |
| CN105118625A (en) * | 2015-08-15 | 2015-12-02 | 凌海科诚电力电器制造有限责任公司 | Dry air reactor winding and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338861Y (en) * | 1998-07-31 | 1999-09-15 | 武汉市慈湘电磁线厂 | Multiple flat conductor composite electromagnetic wire |
| CN101409117A (en) * | 2008-07-17 | 2009-04-15 | 天津市经纬电材有限公司 | Novel transposition aluminum conductor |
| CN101556841A (en) * | 2009-05-15 | 2009-10-14 | 中国西电电气股份有限公司 | Membrane-packaged rectangular stranded conductor and manufacture method |
| CN101640109A (en) * | 2009-07-22 | 2010-02-03 | 无锡锡洲电磁线有限公司 | Glass fiber tape film lapping aluminum circular transposition lead |
| CN101667477A (en) * | 2009-09-24 | 2010-03-10 | 无锡巨丰复合线有限公司 | Production technology of compound enamelled round aluminium wire with high heat resistance |
| CN201465603U (en) * | 2009-07-24 | 2010-05-12 | 天津经纬电材股份有限公司 | Winding wire with thin film winding round aluminum wire as multilayer transposition |
-
2010
- 2010-05-27 CN CN2010101845331A patent/CN101819831B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2338861Y (en) * | 1998-07-31 | 1999-09-15 | 武汉市慈湘电磁线厂 | Multiple flat conductor composite electromagnetic wire |
| CN101409117A (en) * | 2008-07-17 | 2009-04-15 | 天津市经纬电材有限公司 | Novel transposition aluminum conductor |
| CN101556841A (en) * | 2009-05-15 | 2009-10-14 | 中国西电电气股份有限公司 | Membrane-packaged rectangular stranded conductor and manufacture method |
| CN101640109A (en) * | 2009-07-22 | 2010-02-03 | 无锡锡洲电磁线有限公司 | Glass fiber tape film lapping aluminum circular transposition lead |
| CN201465603U (en) * | 2009-07-24 | 2010-05-12 | 天津经纬电材股份有限公司 | Winding wire with thin film winding round aluminum wire as multilayer transposition |
| CN101667477A (en) * | 2009-09-24 | 2010-03-10 | 无锡巨丰复合线有限公司 | Production technology of compound enamelled round aluminium wire with high heat resistance |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070402A (en) * | 2015-08-13 | 2015-11-18 | 无锡统力超导科技有限公司 | Superconducting flat twisted cable and manufacturing technology thereof |
| CN105118625A (en) * | 2015-08-15 | 2015-12-02 | 凌海科诚电力电器制造有限责任公司 | Dry air reactor winding and manufacturing method thereof |
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| Publication number | Publication date |
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| CN101819831B (en) | 2011-04-27 |
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Granted publication date: 20110427 Termination date: 20140527 |