CN213183922U - High-voltage coil winding structure and transformer applying same - Google Patents
High-voltage coil winding structure and transformer applying same Download PDFInfo
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- CN213183922U CN213183922U CN202021743456.4U CN202021743456U CN213183922U CN 213183922 U CN213183922 U CN 213183922U CN 202021743456 U CN202021743456 U CN 202021743456U CN 213183922 U CN213183922 U CN 213183922U
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Abstract
The utility model discloses a high-voltage coil coiling structure, be equipped with insulating cylinder (1) of angle ring (11) and can the coiling including both ends and be in last coil (21) and lower coil (22) of insulating cylinder (1) periphery, its characterized in that: the height of insulating cylinder (1) is greater than the sum of the height of last coil (21) and lower coil (22), last coil (21) and lower coil (22) respectively the coiling in the upper portion and the lower part of same insulating cylinder (1) periphery. The utility model also discloses an use the transformer that has this high-tension coil coiling structure. Compared with the prior art, the utility model discloses a high-voltage coil coiling structure can reduce the coiling cycle and improve suit efficiency.
Description
Technical Field
The utility model relates to a transformer technical field specifically indicates a high-tension coil coiling structure and applied transformer that has this high-tension coil coiling structure.
Background
The transformer is one of essential key elements in the power transmission and transformation process, and the existing transformer generally comprises an iron core, wherein an inner-layer low-voltage coil and an outer-layer high-voltage coil are sleeved on the iron core.
For example, a transformer disclosed in the utility model patent application No. CN201621058262.4 (publication No. CN206022077U) includes a high-voltage coil, a low-voltage coil, an insulating sleeve sleeved between the high-voltage coil and the low-voltage coil, and two insulating angle rings respectively located at two ends of the insulating sleeve, the insulating angle rings are provided with an outer edge portion extending to one side of the high-voltage coil, the outer edge portion covers the end surface of the high-voltage coil, the side of the outer edge portion facing the high-voltage coil and the side facing away from the high-voltage coil are both provided with an insulating end ring, the high-voltage coil includes a plurality of wire cakes arranged in a stacked manner, an insulating member is arranged between two adjacent wire cakes to increase the insulating angle rings at the top and the bottom of the outer side of the insulating sleeve, the outer edge portion of the insulating angle ring covers the width direction of the high-voltage coil for shielding the end surface of the high-voltage coil, reducing the phenomenon that the end surface of, the creepage distance of the coil can be ensured, the insulation distance is shortened, the whole insulation strength of the transformer is increased, the structure is more compact, the whole volume of the transformer is reduced, and the production cost is reduced.
But present high-voltage coil generally divide into first half and second half, generally need wind respectively on two independent insulating cylinder during the coiling, need two coiling mould segmentation coiling of dismouting, and the coiling cycle is long, and first half and second half need suit in proper order in the periphery of low-voltage coil, and the suit is efficient lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the first technical problem that will solve is to prior art's current situation, provides one kind and can reduce the coiling cycle and improve the high-tension coil coiling structure of suit efficiency.
The utility model aims to solve the second technical problem that a transformer that uses has above-mentioned high-tension coil coiling structure is provided.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: the utility model provides a high-voltage coil coiling structure, is equipped with the insulating cylinder of angle ring and can the coiling including both ends and is in the last coil and the lower coil of insulating cylinder periphery, its characterized in that: the height of the insulating cylinder is greater than the sum of the heights of the upper coil and the lower coil, and the upper coil and the lower coil are wound on the upper portion and the lower portion of the periphery of the same insulating cylinder respectively.
In order to guarantee the insulation between coil and the lower coil, the periphery of insulating cylinder is equipped with the insulating ring, last coil press from both sides and establish between this insulating ring and the angle ring that is located the insulating cylinder top, lower coil press from both sides and establish between this insulating ring and the angle ring that is located the insulating cylinder bottom.
In order to improve the flexibility of the winding positions of the upper coil and the lower coil, the insulating ring is sleeved on the periphery of the insulating cylinder and can move along the height direction of the insulating cylinder.
In order to ensure the insulativity among the wire cakes, the upper coil and the lower coil form a high-voltage coil, the upper coil and the lower coil of the high-voltage coil respectively comprise a plurality of wire cakes which are arranged in a stacking mode and are arranged at intervals along the height direction of the insulating cylinder, and a plurality of insulating gaskets which are arranged at intervals along the circumferential direction of the wire cakes are clamped between every two adjacent wire cakes.
In order to facilitate the installation of the insulating gasket, a plurality of supporting bars arranged at intervals along the circumferential direction are arranged between the insulating cylinder and the high-voltage coil and used for installing the insulating gasket, and the supporting bars extend along the height direction of the insulating cylinder.
In order to facilitate the fixing of the support bars on the insulating cylinder, the support bars are adhered to the outer peripheral wall of the insulating cylinder.
In order to adapt to the wire cakes with different thicknesses conveniently, the insulating gaskets are clamped on the supporting bars through the clamping grooves and can move along the length direction of the supporting bars.
In order to save cost, the insulating cylinder, the supporting bars and the insulating gaskets are all made of paper materials.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the transformer with the high-voltage coil winding structure comprises a transformer body, an iron core arranged on the transformer body and a low-voltage coil sleeved on the periphery of the iron core, wherein an insulating cylinder in the high-voltage coil winding structure is sleeved on the periphery of the low-voltage coil.
In order to ensure the installation stability of the high-voltage coil winding structure, two groups of pressing plates are respectively installed at the top and the bottom of the transformer body, and the high-voltage coil winding structure is limited between the two groups of pressing plates.
Compared with the prior art, the utility model has the advantages of: the upper coil and the lower coil of the high-voltage coil are respectively wound on the upper part and the lower part of the periphery of the same insulating cylinder, and during winding, the two sections can be combined and wound at one time, so that two winding dies are not required to be disassembled and assembled for winding in a segmented manner, the winding period is shortened, and the sleeving efficiency can be improved during sleeving.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of a transformer according to the present invention;
FIG. 2 is a longitudinal cross-sectional view of the transformer of FIG. 1;
fig. 3 is a schematic perspective view of a winding structure of the high voltage coil in fig. 1;
FIG. 4 is a longitudinal cross-sectional view of a portion of the high voltage coil-wound structure of FIG. 3;
fig. 5 is a schematic perspective view of the high voltage coil and the insulating spacer in fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1 to 5, a transformer having a high-voltage winding structure according to the present invention is preferably applied.
As shown in fig. 1 and 2, the transformer includes a transformer body 3, an iron core 4 mounted on the transformer body 3, a low-voltage coil 5 sleeved on an outer periphery of the iron core 4, and a high-voltage coil winding structure 10 sleeved on an outer periphery of the low-voltage coil 5.
Wherein, two sets of clamp plates 31 are installed respectively to the top and the bottom of ware body 3, and above-mentioned high-voltage coil winding structure 10 is spacing between two sets of clamp plates 31. In this embodiment, the pressing plate 31 is made of a paper material.
As shown in fig. 3 to 5, the high voltage coil winding structure 10 includes an insulation cylinder 1 and a high voltage coil 2 wound around the insulation cylinder 1.
Wherein, the insulating cylinder 1 is sleeved on the periphery of the low-voltage coil 5, and the top end and the bottom end are respectively provided with an angle ring 11; the periphery of the insulating cylinder 1 is sleeved with an insulating ring 12, and the insulating ring 12 can move along the height direction of the insulating cylinder 1; a plurality of supporting strips 13 which are arranged at intervals along the circumferential direction are bonded on the outer circumferential wall of the insulating cylinder 1, and the supporting strips 13 extend along the height direction of the insulating cylinder 1; each support bar 13 is movably connected with a plurality of insulating spacers 14 arranged at intervals along the length direction of the support bar, and each insulating spacer 14 is clamped on the support bar 13 through a clamping groove and can move along the length direction of the support bar 13. In this embodiment, the insulating cylinder 1, the angle ring 11, the insulating ring 12, the supporting bars 13 and the insulating spacers 14 are made of paper materials.
The high-voltage coil 2 comprises an upper coil 21 and a lower coil 22, the height of the insulating cylinder 1 is greater than the sum of the heights of the upper coil 21 and the lower coil 22, the upper coil 21 and the lower coil 22 are respectively wound on the upper part and the lower part of the periphery of the same insulating cylinder 1, the upper coil 21 is clamped between the insulating ring 12 and the angle ring 11 positioned at the top of the insulating cylinder 1, and the lower coil 22 is clamped between the insulating ring 12 and the angle ring 11 positioned at the bottom of the insulating cylinder 1. The upper coil 21 and the lower coil 22 of the high-voltage coil 2 each include a plurality of wire cakes 20 arranged in a stacked manner at intervals along the height direction of the insulating cylinder 1, and the insulating spacers 14 on the supporting strips 13 are sandwiched between two adjacent wire cakes 20.
The working principle of the utility model is as follows: because the upper coil 21 and the lower coil 22 of the high-voltage coil 2 are respectively wound on the upper part and the lower part of the periphery of the same insulating cylinder 1, two sections can be combined and wound at one time during winding, two winding dies are not required to be disassembled and assembled for winding in a segmented manner, the winding period is shortened, and the sleeving efficiency can be improved during sleeving.
Claims (10)
1. The utility model provides a high-voltage coil coiling structure, is equipped with insulating cylinder (1) of angle ring (11) and can the coiling including both ends and is in last coil (21) and lower coil (22) of insulating cylinder (1) periphery, its characterized in that: the height of insulating cylinder (1) is greater than the sum of the height of last coil (21) and lower coil (22), last coil (21) and lower coil (22) respectively the coiling in the upper portion and the lower part of same insulating cylinder (1) periphery.
2. The high-voltage coil winding structure according to claim 1, characterized in that: the insulation cylinder (1) is provided with an insulation ring (12) at the periphery, the upper coil (21) is clamped between the insulation ring (12) and an angle ring (11) positioned at the top of the insulation cylinder (1), and the lower coil (22) is clamped between the insulation ring (12) and the angle ring (11) positioned at the bottom of the insulation cylinder (1).
3. The high-voltage coil winding structure according to claim 2, characterized in that: the insulating ring (12) is sleeved on the periphery of the insulating cylinder (1) and can move along the height direction of the insulating cylinder (1).
4. The high-voltage coil winding structure according to claim 1, characterized in that: the high-voltage coil (2) is formed by the upper coil (21) and the lower coil (22), the upper coil (21) and the lower coil (22) of the high-voltage coil (2) respectively comprise a plurality of wire cakes (20) which are stacked and arranged at intervals along the height direction of the insulating cylinder (1), and a plurality of insulating gaskets (14) which are arranged at intervals along the circumferential direction of the wire cakes (20) are clamped between every two adjacent wire cakes (20).
5. The high-voltage coil winding structure according to claim 4, wherein: the insulating cylinder (1) and the high-voltage coil (2) are provided with a plurality of supporting bars (13) arranged at intervals along the circumferential direction, the supporting bars (13) are used for mounting the insulating gasket (14), and the supporting bars (13) extend along the height direction of the insulating cylinder (1).
6. The high-voltage coil winding structure according to claim 5, wherein: the supporting strips (13) are bonded on the peripheral wall of the insulating cylinder (1).
7. The high-voltage coil winding structure according to claim 5, wherein: the insulating gaskets (14) are clamped on the supporting bars (13) through clamping grooves and can move along the length direction of the supporting bars (13).
8. The high-voltage coil winding structure according to claim 5, wherein: the insulating cylinder (1), the supporting strips (13) and the insulating gaskets (14) are all made of paper materials.
9. A transformer with a high-voltage coil winding structure applied to any one of claims 1 to 8, comprising a transformer body (3), an iron core (4) mounted on the transformer body (3), and a low-voltage coil (5) sleeved on the periphery of the iron core (4), wherein an insulating cylinder (1) in the high-voltage coil winding structure is sleeved on the periphery of the low-voltage coil (5).
10. The transformer of claim 9, wherein: two groups of pressing plates (31) are respectively installed at the top and the bottom of the transformer body (3), and the high-voltage coil winding structure is limited between the two groups of pressing plates (31).
Priority Applications (1)
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CN202021743456.4U CN213183922U (en) | 2020-08-19 | 2020-08-19 | High-voltage coil winding structure and transformer applying same |
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CN202021743456.4U CN213183922U (en) | 2020-08-19 | 2020-08-19 | High-voltage coil winding structure and transformer applying same |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113589123A (en) * | 2021-06-18 | 2021-11-02 | 中国电力科学研究院有限公司 | Test device for fault simulation of extra-high voltage transformer |
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2020
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113589123A (en) * | 2021-06-18 | 2021-11-02 | 中国电力科学研究院有限公司 | Test device for fault simulation of extra-high voltage transformer |
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Address after: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Patentee after: Ningbo Aokes Intelligent Technology Co.,Ltd. Address before: 315031 No.17 and 22 Fenglin Road, Cicheng Town, Jiangbei District, Ningbo City, Zhejiang Province Patentee before: NINGBO AUX HIGH TECHNOLOGY Co.,Ltd. |
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