CN103683749B - A kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique - Google Patents
A kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique Download PDFInfo
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- CN103683749B CN103683749B CN201310697900.1A CN201310697900A CN103683749B CN 103683749 B CN103683749 B CN 103683749B CN 201310697900 A CN201310697900 A CN 201310697900A CN 103683749 B CN103683749 B CN 103683749B
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Abstract
The present invention relates to a kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique: line rod is made up of multiturn circle line, nose circle line connects for wire jumper welding manner, the insulation of odd number circle turn-to-turn wire jumper is converted into insulation (6) with two layers of micafolium, be contained on the first circle turn-to-turn wire jumper (1), two layers of micafolium are converted into insulation (7) and are contained in insulation (6) above, insulation (7) outsourcing one deck glass tape (9); It is upper that straight line insulation (10) is contained in the second circle turn-to-turn wire jumper (2) by even number circle turn-to-turn wire jumper, and right angle insulation (11) is contained in the second circle turn-to-turn wire jumper (2) both sides, outsourcing one deck glass tape (9); Between adjacent turn, between wire jumper, fill up with insulating materials (12). Two layers of micafolium are converted into insulation (16) and are contained in nose insulation outside, and two layers of micafolium are converted into insulation (17) and are contained in insulation (16) outside, insulation (17) outsourcing one deck glass tape (9); Insulation finishes. Adopt coil nose physical dimension minimum of the present invention, meet product insulation technology and technical requirement on design.
Description
Technical field: the present invention relates to a kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation workSkill.
Background technology: a kind of Large-scale High-Pressure shielded motor, its use location requires it meeting reliablyUnder the prerequisite of property, must accomplish volume minimum. In prior art, alternating-current motor stator coil isFormed by two circles and above circle line continuous coiling, turn-to-turn insulation is continuous, therefore coil nosePortion's corner inner circle has a radius of corner R more than 25mm, i.e. coil nose short transversePhysical dimension is that the height of coil side adds 2R, when the conical surface of end turn inner surface constantIn situation, stator winding end external diameter will increase 2R.
Summary of the invention: the object of the invention has been to provide a kind of large high-voltage motor bar formula line rod nose turn-to-turnInsulating process, technical scheme of the present invention is: after 1) the first circle turn-to-turn wire jumper (1) connects,Nose turn-to-turn insulation is folded into the first insulating barrier (6) with two layers of micafolium, is assemblied in the first circleTurn-to-turn wire jumper (1) is upper, then is folded into the second insulating barrier (7) with two layers of micafolium, is assemblied in theOne insulating barrier (6) is upper, embeds insulating part (8) therein as fixture, exhausted secondThe outer bread one deck of edge layer (7) glass tape is as protection insulation (9), by insulating part (8)Fixing, the turn-to-turn insulation of the first circle turn-to-turn wire jumper (1) completes; 2) the first circle turn-to-turn wire jumper (1)Complete after insulation, properly protect, carry out the welding of the second circle turn-to-turn wire jumper (2);
3) after the second circle turn-to-turn wire jumper (2) has welded, after cleaning is deburred, by exhausted the first straight lineIt is upper that edge (10) is assemblied in the second circle turn-to-turn wire jumper (2), and the first right angle insulation (11) is filled respectivelyFit over the position, turning, both sides of the second circle turn-to-turn wire jumper (2), the first straight line insulation (10) and theOuter bread one deck glass tape of one right angle insulation (11) is as protection insulation (9);
4) between the first circle turn-to-turn wire jumper (1) and the second circle turn-to-turn wire jumper (2), use insulation filling material(12) fill up;
5) the second circle turn-to-turn wire jumper (2) completes after insulation, properly protects, and carries out the 3rd circle turn-to-turn wire jumper(3) welding;
6) after the 3rd circle turn-to-turn wire jumper (3) has welded, cleaning is deburred, and uses Mica tape one deckInsulation (13), is then folded into the 3rd insulating barrier (14) with two layers of micafolium, is assemblied in micaBe with wrapped one deck insulation (13) outside, then be folded into the 4th insulating barrier (15) with two layers of micafolium,Be assemblied in the 3rd insulating barrier (14) outside, bread one deck glass outside the 4th insulating barrier (15)Silk ribbon is as protection insulation (9);
7) between the second circle turn-to-turn wire jumper (2) and the 3rd circle turn-to-turn wire jumper (3), use insulation fillingMaterial (12) fills up;
8) the 3rd circle turn-to-turn wire jumper (3) completes after insulation, properly protects, and carries out the 4th circle turn-to-turn and jumpsThe welding of line (4);
9) after the 4th circle turn-to-turn wire jumper (4) has welded, after cleaning is deburred, by exhausted the second straight lineIt is upper that edge is assemblied in the 4th circle turn-to-turn wire jumper (4), and the second right angle insulation is assemblied in respectively to the 4thThe position, turning, both sides of circle turn-to-turn wire jumper (4), in the second straight line insulation and the insulation of the second right angleOuter bread one deck glass tape as protection insulation (9);
10) between the 3rd circle turn-to-turn wire jumper (3) and the 4th circle turn-to-turn wire jumper (4), use insulation filling materialMaterial (12) fills up;
11) the 4th circle turn-to-turn wire jumper (4) completes after insulation, properly protects, and carries out the 5th circle turn-to-turn and jumpsThe welding of line (5);
12) after the 5th circle turn-to-turn wire jumper (5) has welded, cleaning is deburred, with Mica tape oneLayer insulation (13), is then folded into the 5th insulating barrier with two layers of micafolium, be assemblied in mica tape aroundBag one deck insulation (13) outside, then be folded into the 6th insulating barrier with two layers of micafolium, is assemblied in theFive insulating barrier outsides, outside the 6th insulating barrier, bread one deck glass tape is as protection insulation (9);
13) between the 4th circle turn-to-turn wire jumper (4) and the 5th circle turn-to-turn wire jumper (5), use insulation filling material(12) fill up;
14) outermost layer insulation is folded into the 7th insulating barrier (16) with two layers of micafolium, is assemblied in nose circleBetween insulation outside, then be folded into the 8th insulating barrier (17) with two layers of micafolium, be assemblied in four-line poem with seven characters to a lineEdge layer (16) outside, outside the 8th insulating barrier (17), bread one deck glass tape is as protection insulation(9); Insulation finishes.
Operation principle of the present invention
The present invention relates to a kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique: bar formulaLine rod is made up of multiturn circle line, and circle line connects and adopts wire jumper welding manner, odd number circle circle at noseBetween wire jumper insulation be converted into insulating barrier (6) with two layers of micafolium, be contained in the first circle turn-to-turn wire jumper (1)Upper, be converted into insulating barrier (7) with two layers of micafolium and be contained in insulating barrier (6) above, insulating barrier (7)Outsourcing one deck glass tape (9); Even number circle turn-to-turn wire jumper is contained in the by straight line insulation (10)Two circle turn-to-turn wire jumpers (2) are upper, and right angle insulation (11) is contained in the second circle turn-to-turn wire jumper (2) twoSide, outsourcing one deck glass tape (9); Between adjacent turn, between wire jumper, fill out with insulating materials (12)Full. Outermost layer insulation is converted into insulating barrier (16) with two layers of micafolium, is contained in nose outermost layer,Two layers of micafolium are converted into insulating barrier (17) and are contained in insulation (16) outside, outside insulating barrier (17)Bag one deck glass tape (9); Insulation finishes.
The turn-to-turn insulation compact conformation that adopts this technological invention to complete, but process implementing difficulty, lineCircle nose turn-to-turn insulation meets the requirement of product insulation technology, and coil nose physical dimension is upper and lower twoLayer coil side height dimension sum, compared with the little 2R of coil type winding nose height dimension, i.e. winding terminalPortion's external diameter can dwindle 4R, and R minimum is 25mm, and whole winding overhang external diameter will dwindle 100mm,By the known motor stator casing of the structure internal diameter of shield electric machine by than adopting coil type winding windingStator cage internal diameter reduces 100mm, has reduced to greatest extent motor volume.
Brief description of the drawings
Fig. 1 nose turn-to-turn wire jumper schematic diagram
Fig. 2 nose turn-to-turn insulation schematic diagram
Fig. 3 nose turn-to-turn outermost layer insulation schematic diagram
Detailed description of the invention
The present invention is a kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique, specifically realExecute mode as follows:
1) nose turn-to-turn draw bail as shown in Figure 1, after the first circle turn-to-turn wire jumper 1 connects,Nose turn-to-turn insulation as shown in Figure 2, is folded into the first insulating barrier 6 with two layers of micafolium, assemblingOn the first circle turn-to-turn wire jumper 1, then be folded into the second insulating barrier 7 with two layers of micafolium, assemblingOn the first insulating barrier 6, embed insulating part 8 therein as fixture, in the second insulationLayer 7 outer bread one deck glass tape are as protection insulation 9, fixing by insulating part 8, and firstThe turn-to-turn insulation of circle turn-to-turn wire jumper 1 completes;
2) the first circle turn-to-turn wire jumper 1 completes after insulation, properly protects, and carries out the second circle turn-to-turnThe welding of wire jumper 2;
3) after the second circle turn-to-turn wire jumper 2 has welded, after cleaning is deburred, by the first straight lineInsulation 10 is assemblied on the second circle turn-to-turn wire jumper 2, and the first right angle insulation 11 is assemblied in respectivelyThe position, turning, both sides of the second circle turn-to-turn wire jumper 2, at the first straight line insulation 10 and the first right angleOuter bread one deck glass tape of insulation 11 is as protection insulation 9;
4) between the first circle turn-to-turn wire jumper 1 and the second circle turn-to-turn wire jumper 2, use insulation filling materialMaterial 12 fills up;
5) the second circle turn-to-turn wire jumper 2 completes after insulation, properly protects, and carries out the 3rd circle turn-to-turnThe welding of wire jumper 3;
6) after the 3rd circle turn-to-turn wire jumper 3 has welded, cleaning is deburred, and uses Mica tapeOne deck insulation 13, is then folded into the 3rd insulating barrier 14 with two layers of micafolium, is assemblied in micaBe with wrapped one deck 13 outsides of insulating, then be folded into the 4th insulating barrier 15 with two layers of micafolium, dressFit over the 3rd insulating barrier 14 outsides, in the conduct of the outer bread one deck of the 4th insulating barrier 15 glass tapeProtection insulation 9;
7) between the second circle turn-to-turn wire jumper 2 and the 3rd circle turn-to-turn wire jumper 3, use insulation filling materialMaterial 12 fills up;
8) the 3rd circle turn-to-turn wire jumper 3 completes after insulation, properly protects, and carries out the 4th circle turn-to-turnThe welding of wire jumper 4;
9) after the 4th circle turn-to-turn wire jumper 4 has welded, after cleaning is deburred, by the second straight lineInsulation is assemblied on the 4th circle turn-to-turn wire jumper 4, and the second right angle insulation is assemblied in respectively to the 4th circleThe position, turning, both sides of turn-to-turn wire jumper 4, in the outside of the second straight line insulation and the insulation of the second right angleBag one deck glass tape is as protection insulation 9;
10) between the 3rd circle turn-to-turn wire jumper 3 and the 4th circle turn-to-turn wire jumper 4, use insulation filling materialMaterial 12 fills up;
11) the 4th circle turn-to-turn wire jumper 4 completes after insulation, properly protects, and carries out the 5th circle circleBetween the welding of wire jumper 5;
12) after the 5th circle turn-to-turn wire jumper 5 has welded, cleaning is deburred, with mica tape aroundBag one deck insulation 13, is then folded into the 5th insulating barrier with two layers of micafolium, is assemblied in mica tapeWrapped one deck 13 outsides of insulating, then be folded into the 6th insulating barrier with two layers of micafolium, be assemblied inThe 5th insulating barrier outside, outside the 6th insulating barrier, bread one deck glass tape is as protection insulation 9;
13) between the 4th circle turn-to-turn wire jumper 4 and the 5th circle turn-to-turn wire jumper 5, use insulation fillingMaterial 12 fills up;
14) outermost layer insulate as shown in Figure 3, is folded into the 7th insulating barrier 16 with two layers of micafolium,Be assemblied in nose turn-to-turn insulation outside, then be folded into the 8th insulating barrier 17 with two layers of micafolium,Be assemblied in the 7th insulating barrier 16 outsides, do at the outer bread one deck of the 8th insulating barrier 17 glass tapeFor protection insulation 9; Insulation finishes.
Claims (1)
1. a large high-voltage motor bar formula line rod nose turn-to-turn insulation technique, is characterized in that:
1) after the first circle turn-to-turn wire jumper (1) connects, nose turn-to-turn insulation is rolled over two layers of micafoliumBuild up the first insulating barrier (6), be assemblied in the first circle turn-to-turn wire jumper (1) upper, then with two layersMicafolium is folded into the second insulating barrier (7), is assemblied in the first insulating barrier (6) upper,Its inside embeds insulating part (8) as fixture, bread outside the second insulating barrier (7)One deck glass tape is as protection insulation (9), fixing by insulating part (8), and firstThe turn-to-turn insulation of circle turn-to-turn wire jumper (1) completes;
2) the first circle turn-to-turn wire jumper (1) completes after insulation, properly protects, and carries out the second circle circleBetween the welding of wire jumper (2);
3) after the second circle turn-to-turn wire jumper (2) has welded, after cleaning is deburred, straight by firstIt is upper that line insulation (10) is assemblied in the second circle turn-to-turn wire jumper (2), by the first right angle insulation (11)Be assemblied in respectively the position, turning, both sides of the second circle turn-to-turn wire jumper (2), in the first straight line insulation(10) outer bread one deck glass tape of and the first right angle insulation (11) is as protection insulation(9)；
4) between the first circle turn-to-turn wire jumper (1) and the second circle turn-to-turn wire jumper (2), use insulation filling materialMaterial (12) fills up;
5) the second circle turn-to-turn wire jumper (2) completes after insulation, properly protects, and carries out the 3rd circle turn-to-turnThe welding of wire jumper (3);
6) after the 3rd circle turn-to-turn wire jumper (3) has welded, cleaning is deburred, and uses Mica tapeOne deck insulation (13), is then folded into the 3rd insulating barrier (14) with two layers of micafolium, dressFit over Mica tape one deck insulation (13) outside, then be folded into the 4th with two layers of micafoliumInsulating barrier (15), is assemblied in the 3rd insulating barrier (14) outside, at the 4th insulating barrier (15)Outer bread one deck glass tape is as protection insulation (9);
7) between the second circle turn-to-turn wire jumper (2) and the 3rd circle turn-to-turn wire jumper (3), fill out with insulationFilling material (12) fills up;
8) the 3rd circle turn-to-turn wire jumper (3) completes after insulation, properly protects, and carries out the 4th circle circleBetween the welding of wire jumper (4);
9) after the 4th circle turn-to-turn wire jumper (4) has welded, after cleaning is deburred, straight by secondIt is upper that line insulation is assemblied in the 4th circle turn-to-turn wire jumper (4), by the second right angle insulation assembling respectivelyAt the position, turning, both sides of the 4th circle turn-to-turn wire jumper (4), the second straight line insulation and secondOuter bread one deck glass tape of right angle insulation is as protection insulation (9);
10) between the 3rd circle turn-to-turn wire jumper (3) and the 4th circle turn-to-turn wire jumper (4), fill out with insulationFilling material (12) fills up;
11) the 4th circle turn-to-turn wire jumper (4) completes after insulation, properly protects, and carries out the 5th circle turn-to-turnThe welding of wire jumper (5);
12) after the 5th circle turn-to-turn wire jumper (5) has welded, cleaning is deburred, and uses Mica tapeOne deck insulation (13), is then folded into the 5th insulating barrier with two layers of micafolium, is assemblied in cloudThe wrapped one deck insulation of master tape (13) outside, then be folded into the 6th insulating barrier with two layers of micafolium,Be assemblied in the 5th insulating barrier outside, bread one deck glass tape conduct outside the 6th insulating barrierProtection insulation (9);
13) between the 4th circle turn-to-turn wire jumper (4) and the 5th circle turn-to-turn wire jumper (5), use insulation fillingMaterial (12) fills up;
14) outermost layer insulation is folded into the 7th insulating barrier (16) with two layers of micafolium, is assemblied in nose circleBetween insulation outside, then be folded into the 8th insulating barrier (17) with two layers of micafolium, be assemblied in four-line poem with seven characters to a lineEdge layer (16) outside, outside the 8th insulating barrier (17), bread one deck glass tape is as protection insulation(9); Insulation finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310697900.1A CN103683749B (en) | 2013-12-18 | 2013-12-18 | A kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310697900.1A CN103683749B (en) | 2013-12-18 | 2013-12-18 | A kind of large high-voltage motor bar formula line rod nose turn-to-turn insulation technique |
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| Publication Number | Publication Date |
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| CN103683749A CN103683749A (en) | 2014-03-26 |
| CN103683749B true CN103683749B (en) | 2016-05-25 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216571A (en) * | 1978-06-22 | 1980-08-12 | General Electric Company | Methods and apparatus for inserting winding end turn phase insulation |
| CN101610016A (en) * | 2009-05-19 | 2009-12-23 | 天津市天发重型水电设备制造有限公司 | A kind of molding processing method of nose at motor stator coil end |
| CN202424443U (en) * | 2011-12-28 | 2012-09-05 | 南昌康富电机技术有限公司 | 6.3kV power generator stator coil insulating binding structure |
| CN102801240A (en) * | 2012-08-15 | 2012-11-28 | 中国船舶重工集团公司第七一二研究所 | Alternating current motor wave winding and transpositional connection method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013138594A (en) * | 2011-11-30 | 2013-07-11 | Sumitomo Electric Ind Ltd | Segment coil, manufacturing method of segment coil, wire material for segment coil, and stator |
-
2013
- 2013-12-18 CN CN201310697900.1A patent/CN103683749B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4216571A (en) * | 1978-06-22 | 1980-08-12 | General Electric Company | Methods and apparatus for inserting winding end turn phase insulation |
| CN101610016A (en) * | 2009-05-19 | 2009-12-23 | 天津市天发重型水电设备制造有限公司 | A kind of molding processing method of nose at motor stator coil end |
| CN202424443U (en) * | 2011-12-28 | 2012-09-05 | 南昌康富电机技术有限公司 | 6.3kV power generator stator coil insulating binding structure |
| CN102801240A (en) * | 2012-08-15 | 2012-11-28 | 中国船舶重工集团公司第七一二研究所 | Alternating current motor wave winding and transpositional connection method thereof |
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| CN103683749A (en) | 2014-03-26 |
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