CN204178895U - A kind of low-voltage coil structure of transformer - Google Patents
A kind of low-voltage coil structure of transformer Download PDFInfo
- Publication number
- CN204178895U CN204178895U CN201420652715.0U CN201420652715U CN204178895U CN 204178895 U CN204178895 U CN 204178895U CN 201420652715 U CN201420652715 U CN 201420652715U CN 204178895 U CN204178895 U CN 204178895U
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- coaming plate
- low
- voltage coil
- stay
- peripheral board
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Abstract
The utility model provides a kind of low-voltage coil structure of transformer, belongs to technical field of transformer equipment.The low-voltage coil structure of described transformer comprises interior coaming plate, peripheral board and turns to the winding wire of low-voltage coil.The equally distributed coaming plate stay of radial direction along interior coaming plate is provided with between described interior coaming plate and winding wire.Described peripheral board coiling wire one week, fits tightly the outside at winding wire, and the outer surface of peripheral board is provided with the equally distributed coaming plate stay of radial direction of peripherally plate.The low-voltage coil structure of the transformer that the utility model provides, arrange simply light, can be arranged on iron core quickly, peripheral board is provided with between iron core and the winding wire of low-voltage coil, peripheral board is provided with outside the wire of low-voltage coil, effectively iron core, low-voltage coil, high-tension coil are insulated respectively well, improve the insulation property of transformer coil.
Description
Technical field
The utility model relates to technical field of transformer equipment, particularly relates to a kind of low-voltage coil structure of transformer.
Background technology
Transformer is transformer (Transformer) is the device applied Faraday's electromagnetic induction law and raise or reduce voltage.Transformer comprises the coil of two groups or more usually, is mainly used in being elevated the voltage of alternating current, changes impedance and isolating circuit, be widely used in electric power facility, be produce, one of visual plant indispensable in life.Coil is the electric loop of transformer input and output electric energy, and being the basic element of character of transformer, is also the critical piece of Repair of Transformer, comprises the low-voltage coil be set on iron core and the high-tension coil be arranged on outside low-voltage coil.Traditional low-voltage coil structure is the outside that one deck is directly wound on core insulation, insulation property between low-voltage coil and iron core, between low-voltage coil and high-tension coil are not good, and thermal diffusivity is bad, use for a long time, to directly affect the running quality of transformer, affect the useful life of transformer.
Summary of the invention
Problem to be solved in the utility model is traditional low-voltage coil structure is the outside that one deck is directly wound on core insulation, and the insulation property between low-voltage coil and iron core, between low-voltage coil and high-tension coil are not good, and thermal diffusivity is bad.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the low-voltage coil structure providing a kind of transformer.The low-voltage coil structure of described transformer comprises interior coaming plate, peripheral board and turns to the winding wire of low-voltage coil.Described interior coaming plate, around iron core one week, is provided with the equally distributed coaming plate stay of radial direction along interior coaming plate between interior coaming plate and winding wire.Described coaming plate stay fits tightly on interior coaming plate, and winding wire fits tightly on coaming plate stay.Described peripheral board coiling wire one week, fits tightly the outside at winding wire.The outer surface of peripheral board is provided with the equally distributed coaming plate stay of radial direction of peripherally plate, and described coaming plate stay fits tightly on peripheral board.
Preferably, described interior coaming plate and peripheral board are insulating board.
Further, the lapping of described insulating board is on the short-axis direction being parallel to coil.
Preferably, on the outer surface of described interior coaming plate, the outer surface of peripheral board is all bonded with insulating point gummed paper, coaming plate stay is bonded on described insulating point gummed paper.
Further, described winding wire is divided into some layers, every layer of circle.The winding wire of described some layers is divided into three groups, and along the radial direction of coil, the number of plies of three groups, than being 1:1:1.6, is provided with stay between group between group and group.
Further, between described group, stay is distributed in and is parallel on the short-axis direction of coil.
Further, a circle phase insulation layer is provided with outside the coaming plate stay outside peripheral board.
Preferably, described phase insulation layer comprises insulating point gummed paper layer and insulation wrinkle ply of paper along the direction away from hub of a spool.
The advantage that the utility model has and good effect are: the low-voltage coil structure of the transformer that the utility model provides, arrange simply light, can be arranged on iron core quickly, peripheral board is provided with between iron core and the winding wire of low-voltage coil, peripheral board is provided with outside the wire of low-voltage coil, effectively iron core, low-voltage coil, high-tension coil are insulated respectively well, improve the insulation property of transformer coil.In the utility model, be equipped with coaming plate stay between interior coaming plate and winding wire, outside peripheral board, stretching coil, makes coil in elect magnetic field uniform force, prevents sudden short circuit on the one hand; On the other hand, between coaming plate stay and coaming plate stay, form oil duct, facilitate the circulation of transformer oil, be convenient to the heat radiation of coil, extend the useful life of transformer coil.In the low-voltage coil structure of this transformer, winding wire is divided into three groups, is provided with stay between group between group and group on the direction being parallel to coil minor axis, further increases the oil duct in coil, makes it dispel the heat more convenient.In addition, in the utility model, be also provided with phase insulation layer outward at outermost coaming plate stay, the insulating properties of high-tension coil and low-voltage coil strengthened, is beneficial to the good operation of transformer.
Accompanying drawing explanation
Fig. 1 is schematic cross-section of the present utility model.
Fig. 2 is 1/4 schematic diagram of Fig. 1.
Fig. 3 is the A-A schematic diagram that Fig. 2 omits iron core.
Fig. 4 is the B-B schematic diagram that Fig. 2 omits iron core.
In figure: 1, interior coaming plate; 2, coaming plate stay; 3, peripheral board; 4, winding wire; 401, first group of wire; 402, second group of wire; 403, the 3rd group of wire; 5, stay between group; 6, phase insulation layer; 7, end insulation; 8, iron core.
Embodiment
In order to better understand the utility model, below in conjunction with specific embodiments and the drawings, the utility model is conducted further description.
As shown in Figure 1-Figure 3, a kind of low-voltage coil structure of transformer, comprises interior coaming plate 1, peripheral board 3, the winding wire 4 turning to low-voltage coil and phase insulation layer 6.
Interior coaming plate 1, around iron core 8 one weeks, is Long Circle structure.Interior coaming plate 1 can be made up of multiple insulating material, and be preferably insulating board, the lapping of insulating board is on the short-axis direction (transverse direction as Fig. 2) being parallel to coil.The equally distributed coaming plate stay 2 of radial direction along interior coaming plate 1 is provided with between interior coaming plate 1 and winding wire 4.The outer surface of interior coaming plate 1 is bonded with insulating point gummed paper, and coaming plate stay 2 is bonded on insulating point gummed paper, and winding wire 4 fits tightly on coaming plate stay 2.
Peripheral board 3 coiling wire 4 one weeks, fits tightly the outside at winding wire 4.The outer surface of peripheral board 4 is provided with the equally distributed coaming plate stay 2 of radial direction of peripherally plate 3, and the outer surface of peripheral board 3 is all bonded with insulating point gummed paper, and coaming plate stay 2 is bonded on insulating point gummed paper.A circle phase insulation layer 6 is provided with outside coaming plate stay 2 outside peripheral board.Phase insulation layer 6 comprises insulating point gummed paper layer and insulation wrinkle ply of paper along the direction away from hub of a spool.High-tension coil is set in outside insulation wrinkle ply of paper.
Winding wire 4 is divided into some layers, and every layer of circle, is provided with layer insulation between layers.The winding wire 4 of some layers is divided into first group of wire, 401, second group of wire 402 and the 3rd group of wire 403, along coil radial direction from the inside to the outside, the number of plies of three groups, than being 1:1:1.6, is provided with stay 5 between group between group and group.Between group stay 5 be distributed in be parallel to coil short-axis direction (transverse direction as Fig. 2) on.Coil is Long Circle, its major axis grow up in the length of minor axis, therefore on the direction being parallel to minor axis, establish stay 5 between group, unlikelyly make the oversize of coil.As shown in Figure 3, the upper and lower side of coil is equipped with end insulation 7, be parallel on coil long axis direction, fit each other between winding wire, coil is fastening, along coil radial direction from the inside to the outside, be followed successively by interior coaming plate 3, coaming plate stay 2, winding wire 4, peripheral board 3, coaming plate stay 2, phase insulation layer 6.As shown in Figure 4, the upper and lower side of coil is equipped with end insulation 7, be parallel on coil short-axis direction, stay 5 between group is provided with between winding wire, be convenient to the heat radiation of coil, further stretching coil, along coil radial direction from the inside to the outside, to be followed successively by between interior coaming plate 3, coaming plate stay 2, first group of wire 401, group stay 5, the 3rd group of wire 403, peripheral board 3, coaming plate stay 2, phase insulation layer 6 between stay 5, second group of wire 402, group.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (8)
1. a low-voltage coil structure for transformer, is characterized in that: comprise interior coaming plate, peripheral board and turn to the winding wire of low-voltage coil;
Described interior coaming plate, around iron core one week, is provided with the equally distributed coaming plate stay of radial direction along interior coaming plate between interior coaming plate and winding wire; Described coaming plate stay fits tightly on interior coaming plate, and winding wire fits tightly on coaming plate stay;
Described peripheral board coiling wire one week, fits tightly the outside at winding wire; The outer surface of peripheral board is provided with the equally distributed coaming plate stay of radial direction of peripherally plate, and described coaming plate stay fits tightly on peripheral board.
2. the low-voltage coil structure of transformer according to claim 1, is characterized in that: described interior coaming plate and peripheral board are insulating board.
3. the low-voltage coil structure of transformer according to claim 2, is characterized in that: the lapping of described insulating board is on the short-axis direction being parallel to coil.
4. according to the low-voltage coil structure of the arbitrary described transformer of claim 1-3, it is characterized in that: on the outer surface of described interior coaming plate, the outer surface of peripheral board is all bonded with insulating point gummed paper, coaming plate stay is bonded on described insulating point gummed paper.
5. the low-voltage coil structure of transformer according to claim 1, is characterized in that: described winding wire is divided into some layers, every layer of circle;
The winding wire of described some layers is divided into three groups, and along the radial direction of coil, the number of plies of three groups, than being 1:1:1.6, is provided with stay between group between group and group.
6. the low-voltage coil structure of transformer according to claim 5, is characterized in that: between described group, stay is distributed in and is parallel on the short-axis direction of coil.
7. the low-voltage coil structure of transformer according to claim 1 or 5, is characterized in that: be provided with a circle phase insulation layer outside the coaming plate stay outside described peripheral board.
8. the low-voltage coil structure of transformer according to claim 7, is characterized in that: described phase insulation layer comprises insulating point gummed paper layer and insulation wrinkle ply of paper along the direction away from hub of a spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652715.0U CN204178895U (en) | 2014-11-04 | 2014-11-04 | A kind of low-voltage coil structure of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420652715.0U CN204178895U (en) | 2014-11-04 | 2014-11-04 | A kind of low-voltage coil structure of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178895U true CN204178895U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420652715.0U Expired - Fee Related CN204178895U (en) | 2014-11-04 | 2014-11-04 | A kind of low-voltage coil structure of transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN204178895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098330A (en) * | 2016-08-18 | 2016-11-09 | 宁波新胜中压电器有限公司 | The winding construction of transformator and device body and the method producing this winding construction |
-
2014
- 2014-11-04 CN CN201420652715.0U patent/CN204178895U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106098330A (en) * | 2016-08-18 | 2016-11-09 | 宁波新胜中压电器有限公司 | The winding construction of transformator and device body and the method producing this winding construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20171104 |