CN108335872A - A kind of voltage transformer coil first winding and its winding method - Google Patents
A kind of voltage transformer coil first winding and its winding method Download PDFInfo
- Publication number
- CN108335872A CN108335872A CN201810067597.XA CN201810067597A CN108335872A CN 108335872 A CN108335872 A CN 108335872A CN 201810067597 A CN201810067597 A CN 201810067597A CN 108335872 A CN108335872 A CN 108335872A
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- China
- Prior art keywords
- coil
- layer
- coiling
- winding
- turns
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Classifications
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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
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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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/24—Voltage transformers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
Abstract
The invention belongs to High-Voltage Electrical Appliances coil manufacture technology field, more particularly to a kind of voltage transformer coil first winding and its winding method.The voltage transformer coil first winding, including the lattice coil wound successively from inside to outside, layer insulation paper is equipped between coil described in adjacent two layers, the structure of every layer of coil is identical, including layer interior insulation paper and the inner coil and outer coil that are respectively arranged at the layer interior insulation paper medial and lateral and are staggered；This method is started in coiling primary coil first layer, and after every layer of first coiling one third the number of turns plus one layer of insulating paper is further around another 2/3rds the number of turns of system.Present invention reduces the interlayer electric field strengths in coil, implement protective effect to insulation；Simultaneously after the processing of the method, the local discharging level of voltage transformer product is greatly improved.
Description
Technical field
The invention belongs to High-Voltage Electrical Appliances coil manufacture technology field, more particularly to a kind of voltage transformer coil first winding
And its winding method.
Background technology
Currently, in mutual inductor industry, voltage transformer primary coil makes the first winding winding method generally used
It is completed for the disposable coiling of every layer of the number of turns, has more than 50 years knowhow in China, with the continuous hair of technological equipment industry
Exhibition, coil manufacturing technology are also constantly being gradually improved, and still have its technology compared to the more ripe disposable coiling completion of every layer of the number of turns
The not perfect place of technique, i.e. primary coil interlayer field strength are high, are mainly manifested in that electric field strength is excessively concentrated, interlayer field strength differs very
It is big etc..Therefore, urgent need is a kind of more improving more advanced primary coil technique for coiling, further promotes the design and manufacture water of mutual inductor
It is flat.
Invention content
In view of the above-mentioned problems, the purpose of the present invention is to provide a kind of voltage transformer coil first winding and its coiling sides
Method, to solve the problems, such as that existing voltage transformer primary coil interlayer field strength is high.
To achieve the goals above, the present invention uses following technical scheme：
A kind of voltage transformer coil first winding, including the lattice coil that winds successively from inside to outside, adjacent two layers institute
It states and is equipped with layer insulation paper between coil, the structure of every layer of coil is identical, includes layer interior insulation paper and is respectively arranged at
The layer interior insulation paper medial and lateral and the inner coil and outer coil being staggered.
The coiling direction of coil described in adjacent two layers is opposite.
The number of turns of the inner coil is less than the number of turns of the outer coil.
The number of turns of every layer of coil is N, and the number of turns of the inner coil is 1/3N, and the number of turns of the outer coil is 2/
3N。
The layer insulation paper and the layer interior insulation paper are fixedly connected by double faced adhesive tape with two lateral coils.
A kind of winding method of the voltage transformer coil first winding, the method includes following steps：
1) coiling first layer coil：The inner coil of first coiling first layer coil, then adds one in the outside of inner coil
Interior insulation paper layer by layer makes outer coil be staggered with inner coil in the outside coiling outer coil of layer interior insulation paper, completes
The coiling of first layer coil；
2) insulating paper between the outside of outer coil adds from level to level；
3) the coiling second layer coil on layer insulation paper, the structure phase of the second layer coil and the first layer coil
Together, coiling direction is opposite；
4) the coiling direction of coiling third layer coil, third layer coil is identical as the coiling direction of first layer coil, with this
Analogize, until last layer of coil winding is completed.
In step 1), the inner coil and the outer coil are fixed by double faced adhesive tape and the layer interior insulation paper and are connected
It connects.
In step 1), the number of turns of the first layer coil is N, and the number of turns of inner coil is 1/3N, coiling described in coiling
The number of turns of the outer coil is 2/3N.
In step 2), the outer coil is fixedly connected by double faced adhesive tape with the layer insulation paper.
The method passes through each layer of parallel winding machine coiling coil.
The invention has the advantages that and advantage：
1. the primary coil winding method of the present invention is easy to operate, simple and practicable：The technique is primary in voltage transformer
A kind of mature technology innovation on the basis of coil winding, i.e., start in coiling primary coil first layer, and every layer of first coiling three/
After one the number of turns plus one layer of insulating paper is further around another 2/3rds the number of turns is made, and integrated artistic scheme is easy to operate, simple and practicable.
2. the primary coil winding method of the present invention makes primary coil interlayer field strength reduce, product partial discharge quantity is small：It will
Add lower layer of one third the number of turns of one layer of insulating paper coiling after coil, then add another 2/3rds the number of turns of one layer of insulating paper coiling, presses
One third, 2/3rds the number of turns and so on completed to last layer of coiling, dropped by the first winding that this method turns to
Low primary coil interlayer field strength, makes coil outer field strength smaller, to reach the small purpose of product partial discharge quantity.
Description of the drawings
Fig. 1 is the structural schematic diagram of voltage transformer coil first winding of the present invention.
In figure：1 is layer insulation paper, and 2 be first layer coil, and 3 be second layer coil, and 4 be inner coil, and 5 be exhausted in layer
Edge paper, 6 be outer coil.
Specific implementation mode
Currently, the first winding winding method that the making of voltage transformer primary coil generally uses is primary for every layer of the number of turns
Property coiling complete, the disposable coiling completion of this every layer of the number of turns still has the not perfect place of its technical matters, i.e. primary coil interlayer
Field strength is high, is mainly manifested in that electric field strength is excessively concentrated, interlayer field strength differs greatly.
For this purpose, a kind of voltage transformer coil first winding of present invention offer and its winding method, in coiling primary coil
First layer starts, and after every layer of first coiling one third the number of turns plus one layer of insulating paper is further around another 2/3rds the number of turns of system, integrated artistic
Scheme is easy to operate, simple and practicable.Primary coil interlayer field strength is reduced by the first winding that this method turns to, makes coil
External field strength smaller, to reach the small purpose of product partial discharge quantity.
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
As shown in Figure 1, a kind of voltage transformer coil first winding provided by the invention, including wind successively from inside to outside
Lattice coil, layer insulation paper 1 is equipped between adjacent two layers coil, the structure per layer line circle is identical, includes layer interior insulation
Paper 5 and the inner coil 4 and outer coil 6 for being respectively arranged at layer 5 medial and lateral of interior insulation paper and being staggered.
The coiling direction of adjacent two layers coil is opposite.In every layer line circle, the number of turns of inner coil 4 is less than outer coil 6
The number of turns.
The number of turns per layer line circle is N, and the number of turns of inner coil 4 is 1/3N, and the number of turns of outer coil 6 is 2/3N.
Further, layer insulation paper 1 and layer interior insulation paper 5 are fixedly connected by double faced adhesive tape with two lateral coils.
The voltage transformer coil first winding of the present invention makes the reduction of primary coil interlayer field strength, product partial discharge quantity
It is small：Lower layer of one third the number of turns of one layer of insulating paper coiling will be added after coil, then add another 2/3rds circle of one layer of insulating paper coiling
Number, by one third, 2/3rds the number of turns and so on to last layer of coiling completion, by this method turn to it is primary around
Group reduces primary coil interlayer field strength, makes coil outer field strength smaller, to reach the small purpose of product partial discharge quantity.
A kind of winding method of voltage transformer coil first winding, this method includes following steps：
1) coiling first layer coil：The inner coil 4 of coiling first layer coil adds from level to level in the outside of inner coil 4
Interior insulation paper 5 completes the coiling of first layer coil in the outside coiling outer coil 6 of layer interior insulation paper 5；
2) insulating paper 1 between the outside of outer coil 6 adds from level to level；
3) coiling second layer coil：The coiling second layer coil on layer insulation paper 1, second layer coil and first layer coil
Structure it is identical, coiling direction is opposite；
4) coiling third layer coil is to last layer line circle：The coiling in the coiling direction and first layer coil of third layer coil
Direction is identical, and so on, until last layer of coil winding is completed.
In step 1), inner coil 4 and outer coil 6 are fixedly connected by double faced adhesive tape with layer interior insulation paper 5.First layer
The number of turns of coil is N, and the number of turns of coiling inner coil 4 is 1/3N, and the number of turns of coiling outer coil 6 is 2/3N.
In step 2), outer coil 6 is fixedly connected by double faced adhesive tape with layer insulation paper 1.
The method passes through each layer line circle of parallel winding machine coiling.
In conclusion voltage transformer coil first winding winding method of the present invention is the master that mutual inductor manufactures process
Process is wanted, the coil production process before being product casting mold, voltage transformer coil first winding winding method is followed successively by
Since first layer, after every layer of first coiling one third the number of turns plus one layer of insulating paper is further around another 2/3rds the number of turns of system；Afterwards plus one
Layer lower layer of one third the number of turns of insulating paper coiling, then add another 2/3rds the number of turns of one layer of insulating paper coiling；Each layer presses three points
One of, 2/3rds the number of turns and so on complete to last layer of coiling.
Voltage transformer coil first winding winding method of the present invention is to follow mutual inductor production principle and relevant criterion is set
The novel process scheme of meter, fully considers electromagnetic induction principle, one third coiling effect is utilized in coil winding, further
Primary coil interlayer field strength is reduced, keeps coil outer field strength small, to achieve the purpose that product partial discharge quantity is small, so that it is guaranteed that
Product can safe operation, provide advantageous guarantee for mutual inductor batch micro operations and quality control.
It is each to be added to coil winding by primary coil winding process by the present invention for special one third winding method
Layer.The winding method reduces primary coil interlayer electric field strength, implements protective effect to insulation；It is handled simultaneously through the method
Afterwards, the local discharging level of voltage transformer product is greatly improved.
Method the above is only the implementation of the present invention is not intended to limit the scope of the present invention.It is all in the present invention
Spirit and principle within any modification, equivalent replacement, improvement, extension etc., be all contained in protection scope of the present invention
It is interior.
Claims (10)
1. a kind of voltage transformer coil first winding, including the lattice coil that winds successively from inside to outside, which is characterized in that phase
It is equipped with layer insulation paper (1) between adjacent two layers of coil, the structure of every layer of coil is identical, includes layer interior insulation paper
(5) and the inner coil (4) and outer coil (6) that are respectively arranged at the layer interior insulation paper (5) medial and lateral and are staggered.
2. voltage transformer coil first winding according to claim 1, which is characterized in that coil described in adjacent two layers
Coiling direction is opposite.
3. voltage transformer coil first winding according to claim 1, which is characterized in that the inner coil (4)
The number of turns is less than the number of turns of the outer coil (6).
4. voltage transformer coil first winding according to claim 3, which is characterized in that the number of turns of every layer of coil
The number of turns for N, the inner coil (4) is 1/3N, and the number of turns of the outer coil (6) is 2/3N.
5. voltage transformer coil first winding according to claim 1, which is characterized in that the layer insulation paper (1)
It is fixedly connected with two lateral coils by double faced adhesive tape with the layer interior insulation paper (5).
6. a kind of winding method of any one of claim 1-5 voltage transformer coil first windings, which is characterized in that institute
The method of stating includes following steps：
1) coiling first layer coil：Then the inner coil (4) of first coiling first layer coil adds in the outside of inner coil (4)
Interior insulation paper (5) from level to level make outer coil (6) and interior layer line in the outside coiling outer coil (6) of layer interior insulation paper (5)
Circle (4) is staggered, and completes the coiling of first layer coil；
2) insulating paper (1) between the outside of outer coil (6) adds from level to level；
3) the coiling second layer coil on layer insulation paper (1), the structure phase of the second layer coil and the first layer coil
Together, coiling direction is opposite；
4) the coiling direction of coiling third layer coil, third layer coil is identical as the coiling direction of first layer coil, and so on,
It is completed to last layer of coil winding.
7. according to the method described in claim 6, it is characterized in that, in step 1), the inner coil (4) and the outer layer
Coil (6) is fixedly connected by double faced adhesive tape with the layer interior insulation paper (5).
8. according to the method described in claim 6, it is characterized in that, in step 1), the number of turns of the first layer coil is N,
The number of turns of inner coil described in coiling (4) is 1/3N, and the number of turns of outer coil (6) described in coiling is 2/3N.
9. according to the method described in claim 6, it is characterized in that, in step 2), the outer coil (6) passes through double faced adhesive tape
It is fixedly connected with the layer insulation paper (1).
10. according to the method described in claim 6, it is characterized in that, the method passes through described in each layer of parallel winding machine coiling
Coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810067597.XA CN108335872A (en) | 2018-01-24 | 2018-01-24 | A kind of voltage transformer coil first winding and its winding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810067597.XA CN108335872A (en) | 2018-01-24 | 2018-01-24 | A kind of voltage transformer coil first winding and its winding method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108335872A true CN108335872A (en) | 2018-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810067597.XA Pending CN108335872A (en) | 2018-01-24 | 2018-01-24 | A kind of voltage transformer coil first winding and its winding method |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767897A (en) * | 2019-03-20 | 2019-05-17 | 大连北方互感器集团有限公司 | Voltage transformer coil first winding and its winding method |
| CN112201434A (en) * | 2020-09-18 | 2021-01-08 | 华中科技大学 | Multilayer inductor for special power supply system and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162019A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Multi-connected winding method |
| CN2071824U (en) * | 1990-06-08 | 1991-02-20 | 沈阳变压器厂 | Insulation structure of high-voltage winding layer for voltage mutual-inductor |
| CN201629218U (en) * | 2009-11-30 | 2010-11-10 | 平高集团有限公司 | Potential transformer |
| CN203325698U (en) * | 2013-07-31 | 2013-12-04 | 宁波天互电器有限公司 | Voltage transformer winding structure |
-
2018
- 2018-01-24 CN CN201810067597.XA patent/CN108335872A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58162019A (en) * | 1982-03-19 | 1983-09-26 | Matsushita Electric Ind Co Ltd | Multi-connected winding method |
| CN2071824U (en) * | 1990-06-08 | 1991-02-20 | 沈阳变压器厂 | Insulation structure of high-voltage winding layer for voltage mutual-inductor |
| CN201629218U (en) * | 2009-11-30 | 2010-11-10 | 平高集团有限公司 | Potential transformer |
| CN203325698U (en) * | 2013-07-31 | 2013-12-04 | 宁波天互电器有限公司 | Voltage transformer winding structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767897A (en) * | 2019-03-20 | 2019-05-17 | 大连北方互感器集团有限公司 | Voltage transformer coil first winding and its winding method |
| CN112201434A (en) * | 2020-09-18 | 2021-01-08 | 华中科技大学 | Multilayer inductor for special power supply system and preparation method thereof |
| CN112201434B (en) * | 2020-09-18 | 2021-12-03 | 华中科技大学 | Multilayer inductor for special power supply system and preparation method thereof |
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Application publication date: 20180727 |
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| RJ01 | Rejection of invention patent application after publication |