CN111210979A - Transformer outlet device connecting structure - Google Patents
Transformer outlet device connecting structure Download PDFInfo
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- CN111210979A CN111210979A CN201811401466.7A CN201811401466A CN111210979A CN 111210979 A CN111210979 A CN 111210979A CN 201811401466 A CN201811401466 A CN 201811401466A CN 111210979 A CN111210979 A CN 111210979A
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- cylinder
- corrugated
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- paperboard
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
Abstract
The invention discloses a transformer wire outlet device connecting structure, which adopts a structure of dividing an oil gap by a plurality of layers of paper board cylinders, wherein corrugated paper board cylinders are inserted between the paper board cylinders; the distance difference is formed between the end parts of each layer of the corrugated paperboard cylinder and the adjacent corrugated paperboard cylinder, and cards are assembled at the upper end and the lower end of each level of corrugated paperboard cylinder; the height of the upper end of each layer of paperboard cylinder is gradually increased from two layers to other layers and gradually decreased from inside to outside; the height of the upper end of each layer of corrugated paperboard cylinder is gradually decreased from two layers to other layers from inside to outside, and the height of the upper end of each layer of corrugated paperboard cylinder is higher than that of the corresponding layer of corrugated paperboard cylinder; the paperboard cylinders of each layer are gradually increased from inside to outside, the lower ends of the paperboard cylinders are gradually decreased from the innermost two layers, and the outermost two layers are lengthened; each layer of corrugated paper board cylinder is gradually decreased from inside to outside in the transition from the innermost two layers to the gradually increasing lower end, and the outermost layer is lengthened. The invention adopts the card for limiting connection, solves the problems of easy discharge of the insulating screw and falling of the cushion block or shifting of the corrugated board, and improves the reliability of the wire outlet device.
Description
Technical Field
The invention relates to a transformer manufacturing technology, in particular to a transformer wire outlet device connecting structure.
Background
With the increase of extra-high voltage direct current engineering, a converter transformer is one of important devices for direct current transmission, a wire outlet device is always a difficult point for developing the converter transformer, whether a valve side wire outlet device structure is safe and reliable directly influences the safety performance of a converter transformer product test or net hanging operation, and the reliability of the valve side wire outlet device directly influences the safety performance of a product.
At present, an extra-high voltage transformer product outlet device adopts a structure that a paper board is added with a cushion block or a corrugated paper board is added with a corrugated paper board, the glue is adopted for fixation, the partial part of the outlet device is fixed by an insulating screw rod, when the outlet device is assembled by a plurality of layers of paper boards, the weight is heavy, the outlet device is fixed by the glue and is easy to separate, and if the outlet device is fixed by the insulating screw rod, the screw rod part is easy. Due to gravity or oil immersion drying, the paperboard or corrugated board moves, and the cushion block is easy to fall off, so that the overall shielding effect of the wire outlet device is influenced.
Disclosure of Invention
Aiming at the defects that cushion blocks fall off easily and the overall shielding effect of the wire outlet device is influenced in the transformer wire outlet device with a paperboard or corrugated paperboard structure in the prior art, the invention aims to provide the transformer wire outlet device connecting structure capable of improving the reliability and the overall shielding effect.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention relates to a transformer wire outlet device connecting structure, which adopts a structure of dividing an oil gap by a plurality of layers of paper board cylinders, wherein corrugated paper board cylinders are inserted between the paper board cylinders; the distance between the end part of each layer of the corrugated paperboard cylinder and the adjacent corrugated paperboard cylinder is different, and cards are arranged at the upper end and the lower end of each level of the corrugated paperboard cylinder.
The height of the upper end of each layer of paperboard cylinder is gradually increased from two layers to other layers and gradually decreased from inside to outside; the height of the upper end of each layer of corrugated paperboard cylinder is gradually decreased from two layers to other layers from inside to outside, and the height of the upper end of each layer of corrugated paperboard cylinder is higher than that of the corresponding layer of corrugated paperboard cylinder; the paperboard cylinders of each layer are gradually increased from inside to outside, the lower ends of the paperboard cylinders are gradually decreased from the innermost two layers, and the outermost two layers are lengthened; each layer of corrugated paperboard cylinder is gradually increased from inside to outside, the lower end of each layer of corrugated paperboard cylinder is gradually decreased from the innermost two layers of corrugated paperboard cylinders to the outermost layer of corrugated paperboard cylinders, and the corrugated paperboard cylinder and the two layers of corrugated paperboard cylinders are lengthened to fix the wire outlet device.
A plurality of openings are uniformly distributed at two ends of the corrugated paper board cylinders on other layers except the outermost corrugated paper board cylinder along the circumferential direction, a plurality of cards are respectively inserted into the positions of the openings, the bottom ends of the cards arranged at the upper end of the corrugated paper board cylinder are blocked outside the upper end of the corrugated paper board cylinder, and the top ends of the cards arranged at the lower end of the corrugated paper board cylinder are blocked outside the lower end of the next layer of corrugated paper board cylinder.
The card is a flat plate with a middle slot and an opening at one side slot edge, and the middle slot part is inserted into the paper sheet of the corrugated board gap part.
The corrugated cardboard cylinder has its ends at the crest to trough interface from the trough floor 3/2.
And when the vertical fixing is needed, the length of the bottom ends of the eleventh corrugated paperboard cylinder, the eleventh corrugated paperboard cylinder and the twelfth paperboard cylinder is adjusted to be used as a fixing support.
The invention has the following beneficial effects and advantages:
1. the invention adopts the card for limiting connection, not only solves the problem that the insulating screw in the original ultra-high voltage transformer is easy to discharge, especially products with extremely high voltage levels such as 1100kV and the like, but also solves the problems of cushion block falling or corrugated board moving in the traditional line outgoing device with a paperboard cushion block structure or a paperboard corrugated board structure, effectively improves the reliability of the line outgoing device and ensures the safe and reliable net hanging operation of the products.
2. The invention obviously reduces the weight of the traditional structure, and the card is used for replacing the insulation screw for fixing, thereby effectively solving the problems of the corrugated board such as movement, separation or screw discharge.
Drawings
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a detail view of a portion of the present invention;
FIG. 3 is a detail view of the card assembly of the present invention;
fig. 4 is an enlarged view of the assembled portion of the chip of the present invention.
The corrugated cardboard box comprises a first corrugated cardboard box 1, a second corrugated cardboard box 2, a second corrugated cardboard box 3, a second corrugated cardboard box 4, a third corrugated cardboard box 5, a third corrugated cardboard box 6, a fourth corrugated cardboard box 7, a fourth corrugated cardboard box 8, a fifth corrugated cardboard box 9, a fifth corrugated cardboard box 10, a sixth corrugated cardboard box 11, a sixth corrugated cardboard box 12, a seventh corrugated cardboard box 13, a seventh corrugated cardboard box 14, an eighth corrugated cardboard box 15, an eighth corrugated cardboard box 16, a ninth corrugated cardboard box 17, a ninth corrugated cardboard box 18, a tenth corrugated cardboard box 19, a tenth corrugated cardboard box 20, an eleventh corrugated cardboard box 21, an eleventh corrugated cardboard box 22, a twelfth corrugated cardboard box 23 and a card 24.
Detailed Description
The invention is further elucidated with reference to the accompanying drawings.
As shown in fig. 1, the transformer outlet device connecting structure of the invention adopts a structure of dividing an oil gap by a plurality of layers of paperboard cylinders, and corrugated paperboard cylinders are inserted between the paperboard cylinders; each of the corrugated containers and the adjacent corrugated containers have a difference in distance between the ends, and cards 24 are fitted to the upper and lower ends of each of the corrugated containers.
The height of the upper end of each layer of paperboard cylinder is gradually increased from two layers to other layers and gradually decreased from inside to outside; the height of the upper end of each layer of corrugated paperboard cylinder is gradually decreased from two layers to other layers from inside to outside, and the height of the upper end of each layer of corrugated paperboard cylinder is higher than that of the corresponding layer of corrugated paperboard cylinder; the paperboard cylinders of each layer are gradually increased from inside to outside, the lower ends of the paperboard cylinders are gradually decreased from the innermost two layers, and the outermost two layers are lengthened; each layer of corrugated paperboard cylinder is gradually increased from inside to outside, the lower end of each layer of corrugated paperboard cylinder is gradually decreased from the innermost two layers of corrugated paperboard cylinders to the outermost layer of corrugated paperboard cylinders, and the corrugated paperboard cylinder and the two layers of corrugated paperboard cylinders are lengthened to fix the wire outlet device. A partial structural detail view of each layer of the paperboard cylinder is shown in figure 2.
As shown in fig. 3 and 4, a plurality of openings are uniformly distributed at both ends of the corrugated cardboard cylinder along the circumferential direction, a plurality of cards are respectively inserted into the positions of the openings, the bottom end of the card 24 installed at the upper end of the corrugated cardboard cylinder is blocked outside the upper end of the corrugated cardboard cylinder, and the top end of the card installed at the lower end of the corrugated cardboard cylinder is blocked outside the lower end of the next layer of cardboard cylinder.
The card 24 is a paper flat plate with a middle slot and an opening at one side slot edge, and the middle slot part is inserted into the paper sheet of the corrugated board gap part.
In this embodiment, the outlet device body is composed of a first corrugated cardboard cylinder 1, a first corrugated cardboard cylinder 2, a second corrugated cardboard cylinder 3, a second corrugated cardboard cylinder 4, a third corrugated cardboard cylinder 5, a third corrugated cardboard cylinder 6, a fourth corrugated cardboard cylinder 7, a fourth corrugated cardboard cylinder 8, a fifth corrugated cardboard cylinder 9, a fifth corrugated cardboard cylinder 10, a sixth corrugated cardboard cylinder 11, a sixth corrugated cardboard cylinder 12, a seventh corrugated cardboard cylinder 13, a seventh corrugated cardboard cylinder 14, an eighth corrugated cardboard cylinder 15, an eighth corrugated cardboard cylinder 16, a ninth corrugated cardboard cylinder 17, a ninth corrugated cardboard cylinder 18, a tenth corrugated cardboard cylinder 19, a tenth corrugated cardboard cylinder 20, an eleventh corrugated cardboard cylinder 21, an eleventh corrugated cardboard cylinder 22, and a twelfth corrugated cardboard cylinder 23, and corrugated cardboard cylinders are staggered in length and assembly, and are arranged in the first corrugated cardboard cylinder 2, the second corrugated cardboard cylinder 4, the third corrugated cardboard cylinder 6, the fourth corrugated cardboard cylinder 8, the fifth corrugated cardboard cylinder 4, the seventh cardboard cylinder 5, the eighth corrugated cardboard cylinder 14, the eighth corrugated cardboard cylinder 15, the eighth corrugated cardboard cylinder 16, the, … …, a plurality of notches are evenly distributed on the upper and lower ends of the corrugated board of the tenth corrugated board cylinder 20 in a staggered manner along the circumferential direction, and the cards 24 are arranged at the notches, so that the cards can fix the corrugated board per se and fix the next-level corrugated board.
When the vertical fixing is needed, the lengths of the bottom ends of the eleventh cardboard cylinder 21, the eleventh corrugated cardboard cylinder 22 and the twelfth cardboard cylinder 23 are properly adjusted to be used as the fixing bracket according to the position to be protected of the line device and the position and the distance of the fixing bracket. The bottom ends of the eleventh corrugated paper board cylinder 21, the eleventh corrugated paper board cylinder 22 and the twelfth corrugated paper board cylinder 23 are provided with holes, and the wire outlet device is fixed on the wire clamp bracket or in the lifting seat, so that the fixing position of the insulating bolt can be prevented from discharging in the region with higher electric field.
In this embodiment, the two ends of the corrugated cardboard cylinder are opened at the position where the boundary surface from the peak to the valley of the corrugation is separated from the valley bottom 3/2. Two ends of each layer of corrugated paperboard cylinder except the outermost layer, namely the eleventh corrugated paperboard cylinder 22, of the whole wire outlet device are fixed by 24 cards without adopting modes such as insulating bolts and the like, so that the problem of discharge caused by the insulating bolts due to too high voltage level can be solved.
Attention is paid to the assembling relation and the direction when assembling the card 24, the corrugated container board of the card 24 fixed self of every layer of corrugated container board drawing tube upper end assembly, the next grade cardboard is fixed to the 24 cards of lower part assembly, the card is fixed gradually like this and can lock every layer of cardboard and flute, when preventing the number of piles when too much, when traditional cushion or flute mode is fixed appear after weight and immersion oil, the cushion appears and drops, the problem that the device is disjointed appears.
The connection mode adopted by the invention not only gradually fixes and locks each layer of paper board and the corrugated paper, and prevents the problems of cushion block falling and device disjointing when the traditional cushion block or corrugated paper is fixed due to the weight and oil invasion when the number of layers is excessive, but also the whole wire outlet device is fixed by the clamping piece without adopting the modes of insulating bolts and the like, so that the problem of discharge of the insulating bolts due to too high voltage grade can be reduced.
Claims (6)
1. The utility model provides a transformer device connection structure that is qualified for next round of competitions which characterized in that: a structure of oil gaps is divided by adopting a plurality of layers of paper board cylinders, and corrugated paper board cylinders are inserted between the paper board cylinders; the distance between the end part of each layer of the corrugated paperboard cylinder and the adjacent corrugated paperboard cylinder is different, and cards are arranged at the upper end and the lower end of each level of the corrugated paperboard cylinder.
2. The transformer outlet device connecting structure according to claim 1, wherein: the height of the upper end of each layer of paperboard cylinder is gradually increased from two layers to other layers and gradually decreased from inside to outside; the height of the upper end of each layer of corrugated paperboard cylinder is gradually decreased from two layers to other layers from inside to outside, and the height of the upper end of each layer of corrugated paperboard cylinder is higher than that of the corresponding layer of corrugated paperboard cylinder; the paperboard cylinders of each layer are gradually increased from inside to outside, the lower ends of the paperboard cylinders are gradually decreased from the innermost two layers, and the outermost two layers are lengthened; each layer of corrugated paperboard cylinder is gradually increased from inside to outside, the lower end of each layer of corrugated paperboard cylinder is gradually decreased from the innermost two layers of corrugated paperboard cylinders to the outermost layer of corrugated paperboard cylinders, and the corrugated paperboard cylinder and the two layers of corrugated paperboard cylinders are lengthened to fix the wire outlet device.
3. The transformer outlet device connecting structure according to claim 1, wherein: a plurality of openings are uniformly distributed at two ends of the corrugated paper board cylinders on other layers except the outermost corrugated paper board cylinder along the circumferential direction, a plurality of cards are respectively inserted into the positions of the openings, the bottom ends of the cards arranged at the upper end of the corrugated paper board cylinder are blocked outside the upper end of the corrugated paper board cylinder, and the top ends of the cards arranged at the lower end of the corrugated paper board cylinder are blocked outside the lower end of the next layer of corrugated paper board cylinder.
4. The transformer outlet device connecting structure according to claim 1 or 3, wherein: the card is a flat plate with a middle slot and an opening at one side slot edge, and the middle slot part is inserted into the paper sheet of the corrugated board gap part.
5. The transformer outlet device connecting structure according to claim 3, wherein: the corrugated cardboard cylinder has its ends at the crest to trough interface from the trough floor 3/2.
6. The transformer outlet device connecting structure according to claim 1, wherein: and when the vertical fixing is needed, the length of the bottom ends of the eleventh corrugated paperboard cylinder, the eleventh corrugated paperboard cylinder and the twelfth paperboard cylinder is adjusted to be used as a fixing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401466.7A CN111210979B (en) | 2018-11-22 | 2018-11-22 | Transformer device connection structure that is qualified for next round of competitions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811401466.7A CN111210979B (en) | 2018-11-22 | 2018-11-22 | Transformer device connection structure that is qualified for next round of competitions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111210979A true CN111210979A (en) | 2020-05-29 |
| CN111210979B CN111210979B (en) | 2022-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811401466.7A Active CN111210979B (en) | 2018-11-22 | 2018-11-22 | Transformer device connection structure that is qualified for next round of competitions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289582A (en) * | 2020-10-13 | 2021-01-29 | 天威保变（秦皇岛）变压器有限公司 | Transformer insulating cylinder outgoing line tapping and positioning method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097203A (en) * | 2010-12-17 | 2011-06-15 | 辽宁华冶集团发展有限公司 | Main insulating structure of 220KV three-phase three-coil power transformer |
| CN202549587U (en) * | 2012-03-29 | 2012-11-21 | 中国西电电气股份有限公司 | 500kV transformer body insulating structure in accordance with full insulation level |
| CN105609270A (en) * | 2015-12-28 | 2016-05-25 | 保定天威保变电气股份有限公司 | Novel valve side wire-outlet structure for converter transformer |
| CN206194503U (en) * | 2016-10-21 | 2017-05-24 | 辽宁兴启电工材料有限责任公司 | Direct current device of being qualified for next round of competitions for transformer with stopper ring |
-
2018
- 2018-11-22 CN CN201811401466.7A patent/CN111210979B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097203A (en) * | 2010-12-17 | 2011-06-15 | 辽宁华冶集团发展有限公司 | Main insulating structure of 220KV three-phase three-coil power transformer |
| CN202549587U (en) * | 2012-03-29 | 2012-11-21 | 中国西电电气股份有限公司 | 500kV transformer body insulating structure in accordance with full insulation level |
| CN105609270A (en) * | 2015-12-28 | 2016-05-25 | 保定天威保变电气股份有限公司 | Novel valve side wire-outlet structure for converter transformer |
| CN206194503U (en) * | 2016-10-21 | 2017-05-24 | 辽宁兴启电工材料有限责任公司 | Direct current device of being qualified for next round of competitions for transformer with stopper ring |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289582A (en) * | 2020-10-13 | 2021-01-29 | 天威保变（秦皇岛）变压器有限公司 | Transformer insulating cylinder outgoing line tapping and positioning method |
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| Publication number | Publication date |
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| CN111210979B (en) | 2022-12-23 |
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