CN207489645U - Three-dimensional winding iron core oil-immersed type transformer coil - Google Patents
Three-dimensional winding iron core oil-immersed type transformer coil Download PDFInfo
- Publication number
- CN207489645U CN207489645U CN201721684823.6U CN201721684823U CN207489645U CN 207489645 U CN207489645 U CN 207489645U CN 201721684823 U CN201721684823 U CN 201721684823U CN 207489645 U CN207489645 U CN 207489645U
- Authority
- CN
- China
- Prior art keywords
- layer
- iron core
- winding
- electrician
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of three-dimensional winding iron core oil-immersed type transformer coil, including three-dimensional winding iron core and the coil being fixed on three-dimensional winding iron core stem, the coil includes coil rack and the pressure winding being wound on coil rack, more electrician's wood stays are filled in gap between the coil rack and three-dimensional winding iron core stem, and two adjacent electrician's wood stays have certain gap, the winding is divided into high-voltage winding layer and low voltage winding layer, more electrician's wood stays are equipped between high-voltage winding layer and low voltage winding layer, and two adjacent electrician's wood stays have certain gap, the winding is low voltage winding layer successively by sequence from inside to outside, electrician's wood stay layer and high-voltage winding layer.The utility model loop construction is simple, and manufacture craft is simple, and production cost is low, and mechanical strength is good, and the class of insulation is high, has enough mechanical strengths in transformer external short circuit, improves the ability of the anti-sudden short circuit of transformer.
Description
Technical field
The utility model belongs to transformer technology field, and in particular to a kind of three-dimensional winding iron core oil-immersed type transformer coil.
Background technology
For oil-immersed transformer, while production cost is reduced.Also there is anti-sudden short circuit energy
The strong characteristic of power, but since current oil-immersed transformer coil mechanical strength is than relatively low, transformer is assembling
And coil mechanical strength is caused to be deteriorated in operational process, the ability of the anti-sudden short circuit of transformer is made to be affected.It is traditional simultaneously
Coil is due to considering cost problem, and winding working procedure designs excessively cumbersome, and winding volume is excessive, therefore oil tank of transformer
It must just increase, so as to increase the weight of the dosage of insulating materials, transformer oil and fuel tank.
Utility model content
The utility model technical issues that need to address are to provide a kind of mechanical strength and the higher three-dimensional winding iron core of dielectric level
Oil-immersed type transformer coil.
To solve the above problems, the utility model is adopted the technical scheme that：
A kind of three-dimensional winding iron core oil-immersed type transformer coil including three-dimensional winding iron core and is fixed on three-dimensional winding iron core stem
Coil, the coil includes coil rack and the winding that is wound on coil rack, the coil rack and three-dimensional winding iron
More electrician's wood stays are filled in gap between core stem, and adjacent two electrician's wood stays have certain gap,
The winding is divided into high-voltage winding layer and low voltage winding layer, and more electrician's wood are equipped between high-voltage winding layer and low voltage winding layer and are supportted
Item, and adjacent two electrician's wood stays have certain gap, and the winding is low pressure successively by sequence from inside to outside
Winding layers, electrician's wood stay layer and high-voltage winding layer.
Further, electrician's wood stay layer is additionally provided between low voltage winding layer and coil rack, which sets more electricity
Work wood stay, and adjacent two electrician's wood stays have certain gap.
Further, high-voltage winding layer outermost is additionally provided with contraction belt.
Further, the low voltage winding layer includes multilayer electromagnetic wire, and outside is insulating point gummed paper in every layer of electromagnetic wire
Layer.And filling A/B lacquer type organic coatings are brushed in the gap in every layer of electromagnetic wire and electromagnetic wire between the insulating point gummed paper layer of outside.
Further, the high-voltage winding layer includes multilayer electromagnetic wire, and outside is insulating point gummed paper in every layer of electromagnetic wire
Layer.And filling A/B lacquer type organic coatings are brushed in the gap in every layer of electromagnetic wire and electromagnetic wire between the insulating point gummed paper layer of outside.
Preferably, the coil rack is epoxy resin tubbiness skeleton.
Preferably, insulating point gummed paper, coil rack and shrinkage band are using F class B insulations.
It is using advantageous effect caused by above-mentioned technical proposal：The utility model loop construction is simple, manufacture craft
Simply, production cost is low, and mechanical strength is good, and the class of insulation is high, good reliability.
The utility model can effectively improve the mechanical strength and dielectric level of coil various aspects, ensure transformer in outside
There are enough mechanical strengths when short-circuit, improve the ability of the anti-sudden short circuit of transformer.
Description of the drawings
Fig. 1 is the utility model coil section structure diagram；
Wherein：1. three-dimensional winding iron core stem, 2. electrician's wood stays, 3. coil racks, 4. high-voltage winding layers, 5. low pressure windings
Layer, 6. shrink belt.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
The utility model is a kind of transformer coil, has the characteristics that high mechanical strength, dielectric strength are high.
As shown in Figure 1, the utility model includes three-dimensional winding iron core and the coil being fixed on three-dimensional winding iron core stem 1,
The coil includes coil rack 3 and the winding being wound on coil rack 3, the coil rack 3 and three-dimensional winding iron core core
More electrician's wood stays 2 are filled in gap between column 1, since electrician's wood stay is wood quality, high intensity with reference to electrician's wood,
The characteristics of insulation, good toughness, make effectively to support and insulate between coil rack and three-dimensional winding iron core stem, formation one is whole
Body, while coil and three-dimensional winding iron core are not damaged again, and when external short circuit occurs for transformer, coil and iron core are same
Play the role of buffering using the toughness of electrician's wood during Shi Shouli.Two adjacent electrician's wood stays have certain gap,
The setting of gap can allow transformer oil to pass through, conducive to heat dissipation.The winding is divided into high-voltage winding layer 4 and low voltage winding layer 5, in order to
Coil heat-sinking capability is improved, more electrician's wood stays 2 are equipped between high-voltage winding layer 4 and low voltage winding layer 5, and adjacent
Two electrician's wood stays have certain gap, and the winding is low voltage winding layer, electricity Gong Mu successively by sequence from inside to outside
Stay layer and high-voltage winding layer.
In order to improve heat-sinking capability, electrician's wood stay layer is additionally provided between low voltage winding layer and coil rack, which sets
More electrician's wood stays are put, and adjacent two electrician's wood stays have certain gap.
Will not be loose during in order to make coil winding after the completion and use, it is additionally provided with shrinkage band in high-voltage winding layer outermost
Layer 6.
In order to ensure the insulation of coil and intensity, simplify process, reduce production cost, the low voltage winding layer includes
Multilayer electromagnetic wire, the interior outside of every layer of electromagnetic wire is insulating point gummed paper layer.And every layer of electromagnetic wire insulate with outside in electromagnetic wire
Brush filling A/B lacquer type organic coatings in gap between dispensing paper layer.The high-voltage winding layer includes multilayer electromagnetic wire, in every layer of electromagnetic wire
Outside is insulating point gummed paper layer.And the gap in every layer of electromagnetic wire and electromagnetic wire between the insulating point gummed paper layer of outside, which is brushed, to be filled out
Fill A/B lacquer type organic coatings.
To improve dielectric strength, the insulating point gummed paper, coil rack and shrinkage band are using F class B insulations.For side
Just it produces, the coil rack is epoxy resin tubbiness skeleton.Wherein, the dielectric level of F grades of coil racks and intensity can be effective
Support coil and play coil in winding process with three-dimensional winding iron core be isolated make coil insulation it is without damage；F class B insulations
The characteristic of point gummed paper is dielectric level height, its surface glue is in not viscous state at normal temperatures, the energy after 110 degree of high-temperature bakings cure
A gummed paper and electromagnetic wire are combined together, coil is made to form an entirety；A/B lacquer type organic coatings can after being modulated by certain ratio
So that it is in a liquid state at normal temperatures, good fluidity has not cured characteristic in 24 hours at normal temperatures, 110 degree of curings of high temperature
Its insulating properties and high mechanical strength afterwards are brushed exhausted in every layer of electromagnetic wire and F grades using its above-mentioned characteristic during coil winding
Between edge point gummed paper, it is made to be filled into each gap of coil, by reinforced insulation after 110 degree of hot settings and make electromagnetic wire
It is more closely combined together with F class B insulations point gummed paper.F grades of coil racks of structure combination of the utility model, F class B insulation dispensings
The characteristic of three kinds of paper, A/B lacquer type organic coatings raw material allows coil its dielectric level and mechanical strength after dry solidification to reach H
Grade.
The utility model can effectively improve the mechanical strength and dielectric level of coil various aspects, ensure transformer in outside
There are enough mechanical strengths not to be destroyed when short-circuit, improve the ability of the anti-sudden short circuit of transformer, ensure the same of mechanical strength
When reduce cost.
Claims (9)
1. a kind of three-dimensional winding iron core oil-immersed type transformer coil including three-dimensional winding iron core and is fixed on three-dimensional winding iron core stem（1）
On coil, it is characterised in that：The coil includes coil rack（3）And the winding on coil rack is wound in, the line
Ring framework（3）With three-dimensional winding iron core stem（1）Between gap in fill more electrician's wood stays（2）, and adjacent two
Electrician's wood stay has certain gap, and the winding is divided into high-voltage winding layer（4）And low voltage winding layer（5）, high-voltage winding layer
More electrician's wood stays are equipped between low voltage winding layer（2）, and adjacent two electrician's wood stays have certain gap,
The winding is low voltage winding layer, electrician's wood stay layer and high-voltage winding layer successively by sequence from inside to outside.
2. three-dimensional winding iron core oil-immersed type transformer coil according to claim 1, it is characterised in that：In low voltage winding layer and line
Electrician's wood stay layer is additionally provided between ring framework, which sets more electrician's wood stays（2）, and adjacent two electrician's wood supports
Item has certain gap.
3. three-dimensional winding iron core oil-immersed type transformer coil according to claim 1, it is characterised in that：High-voltage winding layer outermost
It is additionally provided with contraction belt（6）.
4. according to claim 1-3 any one of them three-dimensional winding iron core oil-immersed type transformer coils, it is characterised in that：The low pressure
Winding layers include multilayer electromagnetic wire, and outside is insulating point gummed paper layer in every layer of electromagnetic wire.
5. three-dimensional winding iron core oil-immersed type transformer coil according to claim 4, it is characterised in that：Every layer of electromagnetic wire and electromagnetism
Brush filling A/B lacquer type organic coatings in gap in line between the insulating point gummed paper layer of outside.
6. according to claim 1-3 any one of them three-dimensional winding iron core oil-immersed type transformer coils, it is characterised in that：The high pressure
Winding layers include multilayer electromagnetic wire, and outside is insulating point gummed paper layer in every layer of electromagnetic wire.
7. three-dimensional winding iron core oil-immersed type transformer coil according to claim 6, it is characterised in that：Every layer of electromagnetic wire and electromagnetism
Brush filling A/B lacquer type organic coatings in gap in line between the insulating point gummed paper layer of outside.
8. according to any one of them three-dimensional winding iron core oil-immersed type transformer coil of claim 1-3,5,7, it is characterised in that：It is described
Coil rack is epoxy resin tubbiness skeleton.
9. the three-dimensional winding iron core oil-immersed type transformer coil according to claim 5 or 7, it is characterised in that：Insulating point gummed paper, line
Ring framework and shrinkage band are using F class B insulations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684823.6U CN207489645U (en) | 2017-12-07 | 2017-12-07 | Three-dimensional winding iron core oil-immersed type transformer coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684823.6U CN207489645U (en) | 2017-12-07 | 2017-12-07 | Three-dimensional winding iron core oil-immersed type transformer coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489645U true CN207489645U (en) | 2018-06-12 |
Family
ID=62458016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721684823.6U Active CN207489645U (en) | 2017-12-07 | 2017-12-07 | Three-dimensional winding iron core oil-immersed type transformer coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489645U (en) |
-
2017
- 2017-12-07 CN CN201721684823.6U patent/CN207489645U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203312015U (en) | Epoxy impregnated paper capacitive transformer bushing | |
| CN102436913B (en) | Encapsulated inductor and assembly process thereof | |
| CN102064005A (en) | Maintainable novel dry type transformer special for offshore wind power | |
| CN207489645U (en) | Three-dimensional winding iron core oil-immersed type transformer coil | |
| CN206864283U (en) | A kind of resistance to shorting structure of amorphous alloy transformer | |
| CN204732278U (en) | A kind of Cast Resin Dry-Type Transformer high-tension coil | |
| CN107749339A (en) | A kind of oil-immersed type non-crystal alloy transformer coil | |
| CN105761911B (en) | A kind of epoxy cast transformer and its manufacturing method of compound main airway insulation system | |
| CN205080992U (en) | Coil for oil -immersed transformer | |
| CN101826391A (en) | Segmented layered structure transformer | |
| CN102890998B (en) | The sintering forming process of electrical equipment solenoid | |
| CN101752768A (en) | Insulation structure used for collecting ring and brush gear in wind-driven generator | |
| CN201332203Y (en) | Insulating structure for collecting ring and electric brush device in wind-driven generator | |
| CN101552518B (en) | Manufacture of stator winding of AC rectifying charging generator and embedding method | |
| CN203850132U (en) | Amorphous alloy transformer coil | |
| CN107204232A (en) | A kind of Large Copacity dry type high-frequency and high-voltage reactance device | |
| CN109830364A (en) | Dry type high-frequency high-voltage transformer structure | |
| CN201966040U (en) | Aluminum foil coil | |
| CN202650811U (en) | Low-voltage coil for dry type transformer | |
| CN203026286U (en) | Control coil structure applied to control rod drive mechanism | |
| CN201397726Y (en) | Oil immersed amorphous alloy double-voltage transformer | |
| CN201532843U (en) | Transformer with segmental structure | |
| CN201655515U (en) | Double-voltage double-shunting dry-type transformer | |
| CN105261463A (en) | Oil-immersed type transformer coil | |
| CN201590310U (en) | Dry air core reactor winding |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 053000 east side of Xinqiao new road, North District, Hengshui Development Zone, Hebei Province, north side of Xinqu fifth road Patentee after: Hongye Electric Group Co.,Ltd. Address before: 053000 east side of Xinqiao new road, North District, Hengshui Development Zone, Hebei Province, north side of Xinqu fifth road Patentee before: HEBEI HONGYE ELECTRIC Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |