CN102394166B - Combined transposition wire structure with prefabricated oil duct and manufacturing method thereof - Google Patents
Combined transposition wire structure with prefabricated oil duct and manufacturing method thereof Download PDFInfo
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- CN102394166B CN102394166B CN2011103097791A CN201110309779A CN102394166B CN 102394166 B CN102394166 B CN 102394166B CN 2011103097791 A CN2011103097791 A CN 2011103097791A CN 201110309779 A CN201110309779 A CN 201110309779A CN 102394166 B CN102394166 B CN 102394166B
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Abstract
The invention relates to a combined transposition wire structure with a prefabricated oil duct and a manufacturing method thereof and belongs to the technical field of transformer manufacturing. According to the technical scheme, the combined transposition wire structure comprises a combined transposition wire (4) and oil duct seat pads (1), wherein the combined transposition wire is formed by combining two or more single-stranded transposition wires (2) in parallel in a winding axial direction; and the oil duct seat pads are paved and fixed on the upper surface of the combined transposition wire. The combined transposition wire structure with the prefabricated oil duct has the beneficial effects that 1) the difficulty that the addition of the interturn oil duct seat pads can not be completed when multi-stranded wires are subjected to parallel winding in a radial direction is fundamentally overcome; 2) the height-width ratio of a wire harness is greatly reduced under the condition that the section of the wire harness is ensured not to be changed, and the phenomena that the wire harness is easy to incline and be in disorder are avoided, thus the combined transposition wire structure has good winding manufacturability; 3) the addition process of the oil duct seat pads is omitted when winding manufacturing is carried out, thus the difficulty of a coil winding process is obviously reduced; and 4) the winding quality and production efficiency of the coil are improved.
Description
Technical field
The present invention relates to a kind of band prefabricated oil passage combined shifting lead structure and preparation method thereof, belong to technical field of transformer manufacturing.
Background technology
At present, the winding wire that is widely used in the high-power transformer coil is mainly paper covered wire, assemble line and common transposed conductor, its technique for coiling and performance are admitted by vast Transformer Manufacturing Enterprises, but the development along with transformer technology, structural design and the technique for coiling of coil windings become increasingly complex, the single structure form of common winding wire can not satisfy special coiling requirement well, even the coil of some structure can not be finished coiling with present wire winding, for improving special construction coil winding success rate and operating efficiency, research and development, it is extremely urgent to make novel winding wire structure.In the background technology, having a kind of winding structure in the coil windings is that many transposed conductors are with winding radial (hereinafter to be referred as radial) simultaneously coiling of form arranged side by side, and between every wire, add turn-to-turn oil channel cushion block (hereinafter to be referred as oil channel cushion block), existing problems are: it is very difficult to add oil channel cushion block when coiling, and radial wire total height arranged side by side is very large, especially more difficult at the enterprising line operate of horizontal machine tool, with existing wire winding and equipment, adopt the common transposed conductor not can successful coiling.
Summary of the invention
The object of the invention provides a kind of band prefabricated oil passage combined shifting lead structure and preparation method thereof, solve many transposed conductors radial and around the time easy run-off the straight problem of misalignment, also overcome simultaneously the difficulty that runs into when between every wire, adding oil channel cushion block, for wire winding provides a kind of new solution.
Technical scheme of the present invention is: a kind of band prefabricated oil passage combined shifting lead structure, comprise combined shifting lead and oil channel cushion block, combined shifting lead is constituted with axis of winding (hereinafter to be referred as axially) side by side by two or two above sub-thread transposed conductors, and oil channel cushion block is laid and also is fixed on combined shifting lead upper surface (radial direction).
The present invention is provided with turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block, the combined shifting lead upper surface is laid and be fixed on to oil channel cushion block, tie up fixing by the strong insulating paper strip of toughness, when coiling oil channel cushion block enter winding with bundle conductor, fixedly the insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block.
Be provided with sheared edge at turn-to-turn oil duct cardboard, sheared edge and turn-to-turn oil duct cardboard are 15～miter angle.
Adopt in the Transformer Winding many transposed conductors with radial mode and around the time, the bundle conductor that is generally the formation of 3--8 root sub-thread transposed conductor carries out coiling simultaneously, because the wire radical is more, the ratio of bundle conductor total height and width is very large, is very easy to run-off the straight and entanglement, and this is very unfavorable to winding operation, if in coiling, need between wire, to add oil channel cushion block, not only total height is larger, and the easier inclination of wire and entanglement, is difficult to finish coil winding work.
A kind of manufacture method with prefabricated oil passage combined shifting lead structure comprises following processing step: 1. the sub-thread transposed conductor more than two or two is carried out axially side by side combination, reduced the depth-width ratio of bundle conductor in the constant situation in wire radical and cross section; 2. the transposed conductor upper surface that then prefabricated oil channel cushion block is laid in and combines, between the turn-to-turn oil channel cushion block, be provided with turn-to-turn oil duct cardboard, and tied up fixing with the strong insulating paper strip of toughness, when coiling oil channel cushion block enter winding with bundle conductor, fixedly the insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block.Here selected insulating paper strip is thinner and narrowly can not cause on the overall dimension of whole winding obvious impact, and this has not only brought very big facility to winding operation, has also greatly improved coiling quality and operating efficiency.
Because oil channel cushion block is the upper surface of combined shifting lead of being laid in, in the wire take-up when axle and coiling, the turn-to-turn oil duct cardboard that connects oil channel cushion block can be followed corresponding stretching of stretching generation of transposition line outside diameter, and because of nonelastic fixed can being broken of turn-to-turn oil duct cardboard, oil channel cushion block also can come off.Therefore oil channel cushion block needs segmentation to add, and determines section length according to coiling diameter.
Beneficial effect of the present invention: 1) fundamentally overcome radial because of the multiply transposed conductor and around the time can not finish the difficulty of adding the turn-to-turn oil channel cushion block; 2) guaranteeing to greatly reduce the depth-width ratio of wire harness in the constant situation in bundle conductor cross section, avoid the phenomenon of the easy inclination of bundle conductor and entanglement, had good winding process; The adding procedure of the oil channel cushion block when 3) having saved winding and make has obviously reduced the difficulty of coil winding technique; 4) coiling quality and the production efficiency of coil have been improved.
Description of drawings
Fig. 1 is schematic cross-section of the present invention;
Fig. 2 is schematic side view of the present invention;
Among the figure: 1, oil channel cushion block; 2, sub-thread transposed conductor; 3, turn-to-turn oil duct cardboard; 4, combined shifting lead; 5, insulating paper strip.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment.
A kind of band prefabricated oil passage combined shifting lead structure, comprise combined shifting lead 4 and oil channel cushion block 1, combined shifting lead is constituted with axis of winding side by side by the above sub-thread transposed conductor of two or two 2, and oil channel cushion block is laid and also is fixed on the combined shifting lead upper surface.
The present invention is provided with turn-to-turn oil duct cardboard 3 between the turn-to-turn oil channel cushion block, the combined shifting lead upper surface is laid and be fixed on to oil channel cushion block, tie up fixing by the insulating paper strip 5 that toughness is strong, when coiling oil channel cushion block enter winding with bundle conductor, fixedly the insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block.
A kind of manufacture method with prefabricated oil passage combined shifting lead structure comprises following processing step: 1. the sub-thread transposed conductor more than two or two is carried out axially side by side combination, reduced the depth-width ratio of bundle conductor in the constant situation in wire radical and cross section; 2. the transposed conductor upper surface that then prefabricated oil channel cushion block is laid in and combines, between the turn-to-turn oil channel cushion block, be provided with turn-to-turn oil duct cardboard, and tied up fixing with the strong insulating paper strip of toughness, when coiling oil channel cushion block enter winding with bundle conductor, fixedly the insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block.Here selected insulating paper strip is thinner and narrowly can not cause on the overall dimension of whole winding obvious impact, and this has not only brought very big facility to winding operation, has also greatly improved coiling quality and operating efficiency.
Because oil channel cushion block is the upper surface of combined shifting lead of being laid in, in the wire take-up when axle and coiling, the turn-to-turn oil duct cardboard that connects oil channel cushion block can be followed corresponding stretching of stretching generation of transposition line outside diameter, and because of nonelastic fixed can being broken of turn-to-turn oil duct cardboard, oil channel cushion block also can come off.Therefore oil channel cushion block needs segmentation to add, and determines section length according to coiling diameter.
Be provided with sheared edge at turn-to-turn oil duct cardboard, sheared edge and turn-to-turn oil duct cardboard are 15～miter angle.
Execution mode more specifically:
1) according to the specification requirement of winding, determines enameled sheet wire specification and radical;
2) according to together and around long-pending the requirement and the technique for coiling requirement of cross-sectional area of conductor, determine to be with combination radical and the insulation thickness of sub-thread transposed conductor in (prefabricated) oil duct combined shifting lead;
3) in conjunction with combined shifting lead overall dimension, the customization oil channel cushion block, determine the arrangement pitch distance of oil channel cushion block, highly, thickness and width dimensions and deviation;
4) make the paper bag transposed conductor that is used for combination, and according to the requirement of combination radical, the sub-thread transposed conductor is combined and full packaged insulation materials paper;
5) lay oil channel cushion block at combined shifting lead, because it is generally nonelastic to be used for the insulating board that fixing oil channel cushion block adopts, be easy to be broken during with composite conductor rolling and coiling, and cushion block also can partly come off; Therefore, the mode that adopts the oil channel cushion block segmentation to add is determined section length according to coiling diameter, and the docking port termination of turn-to-turn oil duct cardboard should guarantee that when rolling dislocation can not break away from the wire perk because stretching;
6) with the strong insulating paper strip of toughness the prefabricated oil passage cushion block of laying and composite conductor are tied up and be fixed together;
7) finish oil channel cushion block and tie up steady job after, carry out rolling at take-up reel, hard oil channel cushion block gouge insulating paper on the wire needs add protective materials between the conductor layer of rolling when preventing rolling.
Claims (4)
1. be with prefabricated oil passage combined shifting lead structure for one kind, it is characterized in that comprising combined shifting lead (4) and oil channel cushion block (1), combined shifting lead is constituted with axis of winding side by side by two or two above sub-thread transposed conductors (2), and oil channel cushion block is laid and also is fixed on the combined shifting lead upper surface; Be provided with turn-to-turn oil duct cardboard (3) between the turn-to-turn oil channel cushion block, oil channel cushion block is laid and is fixed on the combined shifting lead upper surface, ties up fixing by the strong insulating paper strip of toughness (5).
2. want 1 described band prefabricated oil passage combined shifting lead structure according to right, it is characterized in that the fixing insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block.
3. manufacture method with prefabricated oil passage combined shifting lead structure, it is characterized in that comprising following processing step: 1. the sub-thread transposed conductor more than two or two is carried out axially side by side combination, in the constant situation in wire radical and cross section, reduced the depth-width ratio of bundle conductor; 2. the transposed conductor upper surface that then prefabricated oil channel cushion block is laid in and combines, between the turn-to-turn oil channel cushion block, be provided with turn-to-turn oil duct cardboard, and tied up fixing with the strong insulating paper strip of toughness, when coiling oil channel cushion block enter winding with bundle conductor, fixedly the insulating paper strip bundling position of oil channel cushion block is on the turn-to-turn oil duct cardboard between the turn-to-turn oil channel cushion block; Oil channel cushion block needs segmentation to add, and determines section length according to coiling diameter.
4. the manufacture method with prefabricated oil passage combined shifting lead structure according to claim 3 is characterized in that being provided with sheared edge at turn-to-turn oil duct cardboard, and sheared edge and turn-to-turn oil duct cardboard are 15～miter angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103097791A CN102394166B (en) | 2011-10-13 | 2011-10-13 | Combined transposition wire structure with prefabricated oil duct and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103097791A CN102394166B (en) | 2011-10-13 | 2011-10-13 | Combined transposition wire structure with prefabricated oil duct and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN102394166A CN102394166A (en) | 2012-03-28 |
| CN102394166B true CN102394166B (en) | 2013-04-24 |
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| CN2011103097791A Active CN102394166B (en) | 2011-10-13 | 2011-10-13 | Combined transposition wire structure with prefabricated oil duct and manufacturing method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106950481B (en) * | 2017-05-04 | 2023-04-25 | 广东电网有限责任公司电力科学研究院 | Transformer turn-to-turn insulation transient impact accumulation effect test system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552110A (en) * | 2008-12-18 | 2009-10-07 | 保定天威集团有限公司 | Copper film shielded and transposed conductor and producing method thereof |
| CN201590285U (en) * | 2009-11-03 | 2010-09-22 | 保定天威集团有限公司 | Thermal-shrinkage mesh coated transposed conductor wire with radiating oil passage for extra-high voltage converter transformers |
| CN201681644U (en) * | 2010-05-19 | 2010-12-22 | 沈阳市宏远电磁线有限公司 | Oil duct type combined transposition wire |
| CN202258790U (en) * | 2011-10-13 | 2012-05-30 | 保定天威集团有限公司 | Combined transposed conductor structure with prefabricated oil passage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4613407B2 (en) * | 2000-10-02 | 2011-01-19 | 富士電機システムズ株式会社 | Dislocation conductor and induction winding |
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- 2011-10-13 CN CN2011103097791A patent/CN102394166B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101552110A (en) * | 2008-12-18 | 2009-10-07 | 保定天威集团有限公司 | Copper film shielded and transposed conductor and producing method thereof |
| CN201590285U (en) * | 2009-11-03 | 2010-09-22 | 保定天威集团有限公司 | Thermal-shrinkage mesh coated transposed conductor wire with radiating oil passage for extra-high voltage converter transformers |
| CN201681644U (en) * | 2010-05-19 | 2010-12-22 | 沈阳市宏远电磁线有限公司 | Oil duct type combined transposition wire |
| CN202258790U (en) * | 2011-10-13 | 2012-05-30 | 保定天威集团有限公司 | Combined transposed conductor structure with prefabricated oil passage |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-110434A 2002.04.12 |
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Owner name: BAODING TIANWEI BAOBIAN ELECTRIC CO., LTD. Free format text: FORMER OWNER: BAODING TIANWEI GROUP CO., LTD. Effective date: 20131129 |
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Effective date of registration: 20131129 Address after: 071056 West Road, Hebei, Baoding, No. 2222, No. Patentee after: Baoding Tianwei Baobian Electric Co., Ltd. Patentee after: Baoding Tianwei Electric Power Wire Co.,Ltd. Address before: 071051, Hebei City, Baoding province ginkgo Road, No. 198 Jin Di garden complex Patentee before: Baoding Tianwei Group Co., Ltd. Patentee before: Baoding Tianwei Electric Power Wire Co.,Ltd. |