CN103325544B - A kind of composite type winding - Google Patents
A kind of composite type winding Download PDFInfo
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- CN103325544B CN103325544B CN201310269745.3A CN201310269745A CN103325544B CN 103325544 B CN103325544 B CN 103325544B CN 201310269745 A CN201310269745 A CN 201310269745A CN 103325544 B CN103325544 B CN 103325544B
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- winding
- composite type
- ring
- high pressure
- filler strip
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Abstract
The invention provides a kind of composite type winding, be made up of high pressure winding, composite type square ring, Combined corner ring and tightening belt, inside high pressure winding, be wrapped in the Combined corner ring inside composite type square ring and corner; Composite type square ring and Combined corner ring are made up of the thick cardboard of 0.5-1mm and the thick DMD paper of 0.15-0.5mm, and width is 75-105mm and in " U " type groove; The interior circle filler strip of high pressure winding and outermost turn filler strip hold wire; The interior circle filler strip of winding conducting wire and outermost turn filler strip thickness are 0.5-1.5mm; The present invention makes insulation processing to the outermost turn of winding technique and interior circle, improves winding performance, prevents winding end face from discharging and insulator quick aging, extends transformer life.Wire holds with interior circle and outermost turn filler strip, reduces the damage to wire, ensures insulation quality, improves transformer performance.Can be used for shell type transformer high pressure winding and association area.
Description
Technical field
The present invention relates to transformer high-voltage winding technique field, particularly a kind of composite type winding.
Background technology
From the situation of the high pressure winding manufacture of the transformer of current existence, had very big breakthrough at high pressure winding insulation processing this respect, but how to have prevented insulator aging, improved winding performance, the research extending transformer life aspect is also little.For the high pressure winding of transformer, general manufacture method is: be placed on by wire in coiling, directly press winding around shaping to coiling, such high pressure winding manufacturing technology also exists very large defect: 1. high pressure winding does not have or only simply wraps up process, winding end face discharges, the quick aging of Directed cooling structural insulation can be caused, shorten transformer useful life.2. along with the raising of transformer voltage grade, large-scale winding coil impulse voltage distributions is uneven.3. winding is easily damaged wire outermost turn and interior turn insulation in coiling, carrying and anabolic process, affects transformer runnability.
Summary of the invention
The object of the invention is to solve the problems referred to above existing in prior art, a kind of composite type winding is provided.
The DMD paper utilized in the present invention is a kind of abbreviation of polyester film and polyester fibre non woven fabric composite flexible material, has good insulation property.
The present invention relates to a kind of composite type winding, be made up of high pressure winding 3, composite type square ring 4, Combined corner ring 5 and tightening belt 6, it is characterized in that: in the described each limit of high pressure winding 3, outside is wrapped in the Combined corner ring 5 in outside in composite type square ring 4 and corner.
The described interior circle filler strip 7 of high pressure winding 3 and outermost turn filler strip 8 hold wire 9.
Described composite type square ring 4 is made up of cardboard 2 and the DMD paper 1 be nested in cardboard 2.
Described Combined corner ring 5 is made up of cardboard 2 and the DMD paper 1 be nested in cardboard 2.
The thickness of described cardboard 2 is 0.5-1mm.
The thickness of described DMD paper 1 is 0.15-0.5mm.
Described composite type square ring 4 width is 75-105mm.
The width of described Combined corner ring 5 is 75-105mm.
Described composite type square ring 4 and Combined corner ring 5 are in " U " type groove.
The interior circle filler strip 7 of described winding conducting wire 9 and the thickness of outermost turn filler strip 8 are 0.5-1.5mm.
The effect that the present invention relates to is embodied in, combination square ring 4 combines with 0.5-1mm cardboard 2 with the thick DMD paper 1 for 0.25-0.5mm, by composite type square ring and Combined corner ring parcel winding, make winding arrive dielectric strength unshakable in one's determination to strengthen, prevent the electric discharge phenomena of winding end face, slow down transformer high-voltage winding insulation aging.Winding conducting wire adopts together with the filler strip that insulate in interior circle and outermost turn and holds, and reduces the damage to wire insulation in processing and manufacturing, carrying, anabolic process, improves the runnability of transformer.
Accompanying drawing explanation
Fig. 1 is the overall diagram of composite type winding of the present invention.
Fig. 2 is the composite type square ring constitutional diagram of composite type winding of the present invention
Fig. 3 is the Combined corner ring constitutional diagram of composite type winding of the present invention.
Fig. 4 is the partial enlarged drawing at composite type winding I place of the present invention.
Fig. 5 is the partial enlarged drawing at composite type winding II place of the present invention.
1-DMD paper 2-cardboard 3-high pressure winding 4-composite type square ring 5-Combined corner ring 6-tightening belt 7-interior circle filler strip 8-outermost turn filler strip 9-wire
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described, but claimed scope is not limited only to following description.
Composite type winding as shown in Figure 1, by high pressure winding 3, composite type square ring 4, Combined corner ring 5, tightening belt 6 is some forms.Wherein composite type square ring 4 is wrapped in the long limit of high pressure winding 3 and the interior outside of minor face, and Combined corner ring 5 is wrapped in the inner side of high pressure winding 3 corner, is bundled into composite type winding construction by tightening belt 6 bundle.Shaping high pressure winding 3 structure is made to be tending towards a firm state.
As shown in Figures 2 and 3, composite type square ring 4 and Combined corner ring 5 are combined by the DMD paper 1 of thickness to be the cardboard 2 of 0.5-1mm and thickness be 0.15-0.5mm, and shape is " U " type groove.Wherein cardboard 2 and DMD paper 1 are all a kind of materials with insulation property, to the requirement of cardboard 2 and DMD paper 1 thickness, have effectively taken into account cost and best insulation effect.Simultaneously, high pressure winding 3 passes through the parcel of composite type square ring 4 and Combined corner ring 5, " U " type groove makes square ring better be wrapped in winding, enhance high pressure winding 1 to dielectric strength unshakable in one's determination, prevent the electric discharge phenomena of winding end face, slow down the ageing of insulation of high pressure winding 3, extend the useful life of winding construction in transformer.
The partial enlarged drawing of composite type winding construction as shown in Figure 4 and Figure 5, the present invention is when winding technique, the wire 9 of coiling increases interior circle filler strip 7 according to winding around to the wire 9 at winding medial surface, when coiling increases outermost turn filler strip 8 according to winding width to size to when being about to the circle last of expiring circle, turn to high pressure winding 3.During winding technique, winding conducting wire 9 holds together together with interior circle and outermost turn employing insulation filler strip, and inside and outside filler strip is according to the needs of interior circle and outermost turn, corresponding increase is done according to the size that inside and outside circle is different, effectively wire 9 is wrapped up the closed insulator structure of formation one, decrease the damage to wire insulation body structure in processing and manufacturing, combination, handling process of composite type winding construction, improve the performance of winding, extend the useful life of transformer.
After winding is shaping, the combination square ring 4 be made up of cardboard 2 as shown in Figures 2 and 3 and DMD paper 1 encases foreign minister limit and minor face in high pressure winding 3 respectively, wrap up fixing with tightening belt 6, inside and outside the top of high pressure winding 3, minor face winding leads lifts one's head both sides, encase the interior survey corner of high pressure winding 3 again with combination corner ring 5, and shaping or other operations can be carried out with tightening belt 6 wrapping is fixing.
The present invention adopts composite type square ring and Combined corner ring, prevents high pressure winding end face from discharging, and prevents quick aging of insulating, and improves the performance of winding, extends the useful life of transformer.
Claims (8)
1. a composite type winding, be made up of high pressure winding (3), composite type square ring (4), Combined corner ring (5) and tightening belt (6), it is characterized in that: in high pressure winding (3) each limit, outside is wrapped in the Combined corner ring (5) in outside in composite type square ring (4) and corner;
Described composite type square ring (4) is in " U " type groove; Described Combined corner ring (5) is in " U " type groove;
The interior circle filler strip (7) of described high pressure winding (3) and outermost turn filler strip (8) hold wire (9);
And after composite type square ring (4) and Combined corner ring (5) having been wrapped up, then adopt tightening belt (6) wrapping to form composite type winding construction in the outside of composite type square ring (4) and Combined corner ring (5).
2. composite type winding as claimed in claim 1, is characterized in that: described composite type square ring (4) is made up of cardboard (2) and the DMD paper (1) be nested in cardboard (2).
3. composite type winding as claimed in claim 1, is characterized in that: described Combined corner ring (5) is made up of cardboard (2) and the DMD paper (1) be nested in cardboard (2).
4. composite type winding as claimed in claim 2 or claim 3, is characterized in that: the thickness of described cardboard (2) is 0.5-1mm.
5. composite type winding as claimed in claim 2 or claim 3, is characterized in that: the thickness of described DMD paper (1) is 0.15-0.5mm.
6. composite type winding as claimed in claim 1, is characterized in that: the width of described composite type square ring (4) is 75-105mm.
7. composite type winding as claimed in claim 1, is characterized in that: the width of described Combined corner ring (5) is 75-105mm.
8. as right wants the composite type winding as described in 1, it is characterized in that: the interior circle filler strip (7) of described wire (9) and the thickness of outermost turn filler strip (8) are 0.5-1.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310269745.3A CN103325544B (en) | 2013-06-28 | 2013-06-28 | A kind of composite type winding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310269745.3A CN103325544B (en) | 2013-06-28 | 2013-06-28 | A kind of composite type winding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103325544A CN103325544A (en) | 2013-09-25 |
| CN103325544B true CN103325544B (en) | 2015-12-02 |
Family
ID=49194231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310269745.3A Expired - Fee Related CN103325544B (en) | 2013-06-28 | 2013-06-28 | A kind of composite type winding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103325544B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5343646B2 (en) * | 1974-12-23 | 1978-11-21 | ||
| CN2054196U (en) * | 1989-09-21 | 1990-03-07 | 沈阳变压器厂 | Plate structure without static electricity at the end of transformer high-voltage winding |
| CN2064929U (en) * | 1990-04-27 | 1990-10-31 | 沈阳变压器厂 | Winding structure without small oil corners |
| CN201549342U (en) * | 2009-09-21 | 2010-08-11 | 保定天威集团有限公司 | Structure of the transformer coil terminal insulation |
| CN102969144A (en) * | 2012-12-17 | 2013-03-13 | 江苏亨特集团华特电气有限公司 | Double-layer cylindrical winding technique for low-voltage coils of transformer |
| CN203366938U (en) * | 2013-06-28 | 2013-12-25 | 遵义桦坤节能设备有限公司 | Transformer winding |
-
2013
- 2013-06-28 CN CN201310269745.3A patent/CN103325544B/en not_active Expired - Fee Related
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| CN103325544A (en) | 2013-09-25 |
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Granted publication date: 20151202 Termination date: 20160628 |
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| CF01 | Termination of patent right due to non-payment of annual fee |