CN109346291A - A kind of winding construction and transformer - Google Patents
A kind of winding construction and transformer Download PDFInfo
- Publication number
- CN109346291A CN109346291A CN201811244454.8A CN201811244454A CN109346291A CN 109346291 A CN109346291 A CN 109346291A CN 201811244454 A CN201811244454 A CN 201811244454A CN 109346291 A CN109346291 A CN 109346291A
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- Prior art keywords
- coil
- winding
- tertiary
- winding construction
- transformer
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- 238000004804 winding Methods 0.000 title claims abstract description 132
- 238000010276 construction Methods 0.000 title claims abstract description 55
- 239000000203 mixture Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- H01F27/2847—Sheets; Strips
-
- 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
- H01F27/2847—Sheets; Strips
- H01F2027/2857—Coil formed from wound foil conductor
Abstract
The present invention discloses a kind of winding construction and transformer, wherein winding construction includes first coil, the second coil and tertiary coil, second coil is between first coil and tertiary coil, and it is connect respectively with first coil and tertiary coil, first coil and tertiary coil are equal with the distance between the second coil respectively, first coil and tertiary coil are respectively successively according to preset interval to the second coil configuration, and the height difference of adjacent first coil and adjacent tertiary coil is the first preset threshold.Winding construction in the present invention, by the way that the layout area of first coil, the second coil and tertiary coil is formed isosceles triangle or isosceles trapezoid, make first coil and the height of tertiary coil that there is certain gradient, it can be largely, so that the field strength of the end of winding construction reduces, punch-through can occur to avoid the insulating bodies in winding construction, and then enhance the electric property of winding construction.
Description
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of winding construction and transformer.
Background technique
Winding is commonly called as coil, it is one group of line for constituting the corresponding electric wiring of a certain voltage value of transformer mark
Circle.So winding is the important component part of transformer, and transformer, it is to change alternating current using the principle of electromagnetic induction
The device of pressure, main member are high-voltage winding, low pressure winding and iron core (magnetic core).The structure setting of winding is different, produced by
Electric property also can be different, therefore, the structure of winding is rationally set to transformer and other electricity with the winding construction
Power electronic device plays a significant role in power system security reliability service.
Each circle coil height can be generally arranged to identical height by traditional winding construction in currently available technology,
So that all coils of the winding are arranged into rectangular area, due to the apex angle of the rectangular area be 90 degree right angle so that
The end of winding construction not seamlessly transits, so can all be distributed biggish field strength around 90 degree of right angle both sides, that is, causes
The field strength of the winding construction end increases, if winding is internally provided with insulating bodies, it is clear that biggish field strength is easy to hit
Wear insulating bodies.
Summary of the invention
Therefore, technical problems to be solved of the embodiment of the present invention are winding construction in the prior art, by winding construction
Middle wound coil is respectively provided with identical height and forms rectangular area, causes the field strength of winding construction end to increase, is easy to make
Punch-through occurs at the insulating bodies in winding construction.
For this purpose, the embodiment of the invention provides following technical solutions:
The embodiment of the present invention provides a kind of winding construction, including first coil, the second coil and tertiary coil, and described second
Coil connects between the first coil and the tertiary coil, and respectively with the first coil and the tertiary coil
Connect, the first coil and the tertiary coil are equal with the distance between second coil respectively, the first coil and
The tertiary coil is respectively successively according to preset interval to second coil configuration, and the adjacent first coil and adjacent
The tertiary coil height difference be the first preset threshold.
Optionally, the quantity of second coil is at least 1 circle.
Optionally, it is described according to preset interval successively to the first coil and the third of second coil configuration
The quantity of coil is equal.
Optionally, it is described according to preset interval successively to the first coil and tertiary coil of second coil configuration
First coil be respectively the second preset threshold with the distance between second coil.
Optionally, it is described according to preset interval successively to the first coil and the third of second coil configuration
The first coil of coil is respectively third predetermined threshold value with the height difference of second coil.
Optionally, the ratio of second preset threshold and the third predetermined threshold value is 2-2.5.
Optionally, the layout area of the first coil, second coil and tertiary coil composition is isosceles ladder
Shape or isosceles triangle.
The embodiment of the present invention provides a kind of transformer, comprising: the winding construction, using the winding construction as the change
The high-voltage winding of depressor, the high-voltage winding is for exporting first voltage；
Low pressure winding, for exporting second voltage；
Insulating bodies, between the high-voltage winding and the low pressure winding, for generating insulation resistance.
Optionally, the distance between the high-voltage winding and the low pressure winding are 9mm-15mm.
Optionally, the height ratio between the high-voltage winding and the low pressure winding is 0.8-1.3.
Technical solution of the embodiment of the present invention, has the advantages that
The present invention provides a kind of winding construction and transformer, and wherein winding construction includes first coil, the second coil and
Three-winding, the second coil are connect between first coil and tertiary coil, and respectively with first coil and tertiary coil, and first
Coil and tertiary coil are equal with the distance between the second coil respectively, and first coil and tertiary coil are respectively successively according to default
It is spaced to the second coil configuration, and the height difference of adjacent first coil and adjacent tertiary coil is the first preset threshold.
Winding construction in the present invention, by the way that the layout area of first coil, the second coil and tertiary coil is formed isoceles triangle
Shape or isosceles trapezoid make first coil and the height of tertiary coil have certain gradient, can largely so that around
The field strength of the end of group structure reduces, and punch-through can occur to avoid the insulating bodies in winding construction, and then enhance winding
The electric property of structure.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first schematic diagram of winding construction in the embodiment of the present invention；
Fig. 2 is the second schematic diagram of winding construction in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of transformer in the embodiment of the present invention.
Appended drawing reference:
1- winding construction；11- first coil；The second coil of 12-；13- tertiary coil；
2- transformer；21- high-voltage winding；22- low pressure winding；23- insulating bodies.
Specific embodiment
It is clearly and completely described below in conjunction with technical solution of the attached drawing to the embodiment of the present invention, it is clear that described
Embodiment be a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff every other embodiment obtained without making creative work belongs to what the present invention protected
Range.
In the description of the embodiment of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
It is merely for convenience of the description embodiment of the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have
There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can also be the connection inside two elements, can be wireless connection, be also possible to wired connection.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The embodiment of the present invention provides a kind of winding construction 1, as shown in Figure 1, the winding construction 1 respectively includes first coil
11, the second coil 12 and tertiary coil 13.
Wherein, the second coil 12 is between first coil 11 and tertiary coil 13, and respectively with first coil 11 and
Three-winding 13 connects.In Fig. 1, it will be seen that first coil 11 is located at the left side of the second coil 12, and tertiary coil 13 is located at the second line
The right side of circle 12, the height of the second coil 12 is higher than the height of first coil 11 and tertiary coil 13, first coil 11 and third
Coil 13 is equal with the distance between the second coil 12 respectively.First coil 11, the second coil 12 and tertiary coil 13 can be distinguished
Represent multiturn coil.Such as: in Fig. 1, first coil 11 can represent No. 11 coils, can also represent No. 12 coils, third line
Circle 13 can represent No. 21 coils, can also represent No. 22 coils.
In Fig. 1, first coil 11 and tertiary coil 13 are successively arranged according to preset interval to the second coil 12 respectively, and
The height difference of adjacent first coil 11 and adjacent tertiary coil 13 is the first preset threshold.I.e. in Fig. 1, No. 11 lines
Circle, No. 12 coils, No. 13 coils, No. 14 coils, No. 15 coils and No. 21 coils, No. 22 coils, No. 23 coils, No. 24 coils
It successively arranges to the second coil 12 with No. 25 coils according to identical preset interval, i.e., adjacent first coil 11 and adjacent third
Interval between coil 13 is identical.In Fig. 1, it will be seen that the height of adjacent first coil 11 and adjacent tertiary coil 13
Difference is the first preset threshold, i.e., the height difference of adjacent first coil 11 and adjacent tertiary coil 13 is equal.In Fig. 1
In, the first preset threshold is △ x.
Winding construction 1 in the embodiment of the present invention, the quantity of the second coil 12 can be 1 circle, or 2 circles, it can also
Think the multiturns such as 3 circles.Fig. 1 is that the quantity of the second coil 12 is 1 circle, and in Fig. 2, the quantity of the second coil 12 is multiturn.When
When the quantity of two coil 12 is multiturn, between the second equal and adjacent coil 12 of the height of the second coil 12 of every circle between
Every also equal.
Winding construction 1 in the embodiment of the present invention, the first coil successively arranged to the second coil 12 according to preset interval
11 is equal with the quantity of tertiary coil 13.In Fig. 1 or in Fig. 2, successively arrange to the second coil 12 according to preset interval the
One coil 11 is equal with the quantity of tertiary coil 13, i.e., the first coil 11 successively arranged to the second coil 12 according to preset interval
The side length of composition is equal with the side length that the tertiary coil 13 successively arranged to the second coil 12 according to preset interval is constituted, and thus sees
Out, in Fig. 1, the layout area composition isoceles triangle of the equal first coil 11 of quantity and tertiary coil 13 and the second coil 12
Shape, in Fig. 2, the layout area composition isosceles of the equal first coil 11 of quantity and tertiary coil 13 and multiple second coils 12
It is trapezoidal.As it can be seen that composition isosceles triangle or the winding construction 1 of isosceles trapezoid layout area compare rectangle local, due to winding knot
The end of structure 1 is distributed in equal difference, largely, it is possible to reduce certain field strength distribution, and then can be to avoid biggish field strength
The insulating bodies being arranged in breakdown winding construction 1, that is, improve the electric property of winding construction 1.
Winding construction 1 in the embodiment of the present invention, the first coil successively arranged to the second coil 12 according to preset interval
11 and the first coil and the distance between the second coil 12 of tertiary coil 13 be the second preset threshold.In Fig. 1 or in Fig. 2,
The first coil of first coil 11 is No. 11 coils, and the first coil of tertiary coil 13 is No. 21 coils.No. 11 coils in Fig. 1
Or the second preset threshold between No. 21 coils and No. 31 coils of the second coil 12 is a, a is regarded as the 11 of winding construction 1
Horizontal distance number between coil or No. 31 coils of No. 21 coils and the second coil 12.
Winding construction 1 in the embodiment of the present invention, the first coil successively arranged to the second coil 12 according to preset interval
11 and tertiary coil 13 first coil respectively with the height difference of the second coil 12 be third predetermined threshold value.In Fig. 1 or Fig. 2
In, the first coil of first coil 11 is No. 11 coils, and the first coil of tertiary coil 13 is No. 21 coils.No. 11 in Fig. 1
The height difference of No. 31 coils of the height of coil or No. 21 coils and the second coil 12 is b, in Fig. 1 or in Fig. 2, b the
Three preset thresholds, b are regarded as No. 31 coils of No. 11 coils of winding construction 1 or the top of No. 21 coils and the second coil 12
Top between vertical range.
The ratio of winding construction 1 in the embodiment of the present invention, the second preset threshold and third predetermined threshold value is 2-2.5, can
So that electric-field intensity distribution is optimal, preferable electric property is realized.
Winding construction 1 in the embodiment of the present invention, by by first coil 11, the second coil 12 and tertiary coil 13
Layout area forms isosceles triangle or isosceles trapezoid, by first coil 11 and tertiary coil 13 according to preset interval to the second line
Circle 12 is successively arranged, and so that first coil 11 and the height of tertiary coil 13 is had certain gradient, can largely be made
The field strength for obtaining the end of winding construction 1 reduces, and punch-through, Jin Erzeng can occur to avoid the insulating bodies in winding construction 1
The electric property of strong winding construction 1.
Embodiment 2
The embodiment of the present invention provides a kind of transformer 2, and transformer 2 is widely used power electronic devices, mainly
Play transformation or electrical isolation, such as: high frequency transformer mainly plays electrical isolation, transformation and biography in flexible substation
The effect of defeated power.As shown in figure 3, the transformer 2 in the present embodiment includes:
Including winding construction 1 in embodiment 1, high-voltage winding 21 by winding construction 1 as transformer 2, high-voltage winding 21
For exporting first voltage, high-voltage winding 21 herein is usually the high-pressure side of transformer 2, therefore the first of the output of high-voltage winding 21
Voltage is high pressure.
Low pressure winding 22, for exporting second voltage；Low pressure winding 22 herein is equivalent to the low-pressure side of transformer 2, therefore
The second point voltage that low pressure winding 22 exports is low pressure, and low pressure winding 22 is usually located at the inside of high-voltage winding 21.
Insulating bodies 23, between high-voltage winding 21 and low pressure winding 22, for generating insulation resistance.Insulating bodies
The purpose of 23 generation insulation resistances is for the voltage be isolated between high-voltage winding 21 and low pressure winding 22.The prior art generally for
Share the larger field strength generated between high-voltage winding 21 and low pressure winding 22, it will usually larger-size insulating bodies 23 is selected,
Obviously, the insulating bodies 23 of larger size will lead to transformer 2 structure it is larger, volume is higher, and cost is larger, so, if
The high-voltage winding 21 of transformer 2 in the present embodiment is arranged to carry out the winding construction 1 in example 1, largely, can be dropped
Field strength between low high-voltage winding 21 and low pressure winding 22 further shortens the distance of insulating bodies 23, reduces transformer shape
Size reduces transformer manufacturing cost.
Transformer 2 in the embodiment of the present invention, the distance between high-voltage winding 21 and low pressure winding 22 are 9mm-15mm.It will
When the distance between high-voltage winding 21 and low pressure winding 22 are set as 9mm-15mm, the high-voltage winding 21 of transformer 2 can be made
It is more compact with low pressure winding 22, further such that the overall volume of transformer 2 reduces, also reduce the manufacture of transformer 2 at
This.
Transformer 2 in the embodiment of the present invention, the height ratio between high-voltage winding 21 and low pressure winding 22 are 0.8-
1.3.In Fig. 3, the height of high-voltage winding 21 is f, and the height of low pressure winding 22 is e, high-voltage winding 21 and low pressure winding 22
Height ratio is f/e, and the height ratio of low pressure winding 22 and high-voltage winding 21 is e/f.F/e or e/f can make transformer 2
High-voltage winding 21 and the height of low pressure winding 22 are closer to, as preferable embodiment, when high-voltage winding 21 and low pressure around
When height ratio between group 22 is 0.95, the local field strength of transformer 2 can be made minimum so that the leakage inductance of transformer 2 and
Loss is minimum.
Transformer 2 in the embodiment of the present invention, further including further includes being located at the first iron core, the second iron core, the first insulating layer
And second insulating layer, wherein the first insulating layer between high-voltage winding 21 and the first iron core, second insulating layer be located at low pressure around
Between group 22 and the second iron core.
The material of transformer 2 in the embodiment of the present invention, high-voltage winding 21 and low pressure winding 22 is copper foil material, high voltage winding
Group 21 and the quantity of low pressure winding 22 can need to be configured according to user.
To sum up, the transformer 2 in the embodiment of the present invention passes through the winding for being arranged to high-voltage winding 21 to have certain gradient
Structure 1 largely can reduce the field strength between the high-voltage winding 21 of transformer 2 and low pressure winding 22, avoid high pressure
Insulating bodies 23 between winding 21 and low pressure winding 22 is because of security risk caused by the excessive generation punch-through of local field strength, institute
With the electrical insulation properties and service life of transformer can be enhanced in the transformer 2 in the present embodiment, and then can make transformation
Device 2 is safely operated for a long time.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of winding construction, including first coil, the second coil and tertiary coil, second coil is located at the First Line
It between circle and the tertiary coil, and is connect respectively with the first coil and the tertiary coil, which is characterized in that described the
One coil and the tertiary coil are equal with the distance between second coil respectively, the first coil and the third line
Circle is respectively successively according to preset interval to second coil configuration, and the adjacent first coil and the adjacent third
The height difference of coil is the first preset threshold.
2. winding construction according to claim 1, which is characterized in that the quantity of second coil is at least 1 circle.
3. winding construction according to claim 2, which is characterized in that it is described according to preset interval successively to second line
The quantity of the first coil and the tertiary coil of enclosing arrangement is equal.
4. winding construction according to claim 3, which is characterized in that it is described according to preset interval successively to second line
The first coil of the first coil and tertiary coil of enclosing arrangement is pre- for second with the distance between second coil respectively
If threshold value.
5. winding construction according to claim 4, which is characterized in that it is described according to preset interval successively to second line
The first coil of the first coil and the tertiary coil of enclosing arrangement is respectively the with the height difference of second coil
Three preset thresholds.
6. winding construction according to claim 4, which is characterized in that second preset threshold and the third preset threshold
The ratio of value is 2-2.5.
7. winding construction according to claim 1-6, which is characterized in that the first coil, second line
The layout area of circle and tertiary coil composition is isosceles trapezoid or isosceles triangle.
8. a kind of transformer characterized by comprising
Winding construction described in any one of claim 1-7, using the winding construction as the high-voltage winding of the transformer, institute
High-voltage winding is stated for exporting first voltage；
Low pressure winding, for exporting second voltage；
Insulating bodies, between the high-voltage winding and the low pressure winding, for generating insulation resistance.
9. transformer according to claim 8, which is characterized in that between the high-voltage winding and the low pressure winding away from
From for 9mm-15mm.
10. according to the described in any item transformers of claim 8-9, which is characterized in that the high-voltage winding and the low pressure around
Height ratio between group is 0.8-1.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244454.8A CN109346291B (en) | 2018-10-24 | 2018-10-24 | Winding structure and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811244454.8A CN109346291B (en) | 2018-10-24 | 2018-10-24 | Winding structure and transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109346291A true CN109346291A (en) | 2019-02-15 |
| CN109346291B CN109346291B (en) | 2024-02-13 |
Family
ID=65312006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811244454.8A Active CN109346291B (en) | 2018-10-24 | 2018-10-24 | Winding structure and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109346291B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB397312A (en) * | 1931-10-06 | 1933-08-24 | Westinghouse Electric & Mfg Co | Improvements in or relating to electric transformers |
| CN101582323A (en) * | 2008-05-12 | 2009-11-18 | 铜陵三佳变压器有限责任公司 | High-voltage resistant chip transformer |
| CN102930959A (en) * | 2011-08-08 | 2013-02-13 | 株式会社神户制钢所 | A press powder magnetic core component used for a winding component, producing method, press powder magnetic core used for a winding component, and a winding component |
| CN105900183A (en) * | 2014-09-05 | 2016-08-24 | 日立金属株式会社 | Insulated wire and winding |
| CN209168903U (en) * | 2018-10-24 | 2019-07-26 | 全球能源互联网研究院有限公司 | A kind of winding construction and transformer |
-
2018
- 2018-10-24 CN CN201811244454.8A patent/CN109346291B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB397312A (en) * | 1931-10-06 | 1933-08-24 | Westinghouse Electric & Mfg Co | Improvements in or relating to electric transformers |
| CN101582323A (en) * | 2008-05-12 | 2009-11-18 | 铜陵三佳变压器有限责任公司 | High-voltage resistant chip transformer |
| CN102930959A (en) * | 2011-08-08 | 2013-02-13 | 株式会社神户制钢所 | A press powder magnetic core component used for a winding component, producing method, press powder magnetic core used for a winding component, and a winding component |
| CN105900183A (en) * | 2014-09-05 | 2016-08-24 | 日立金属株式会社 | Insulated wire and winding |
| CN209168903U (en) * | 2018-10-24 | 2019-07-26 | 全球能源互联网研究院有限公司 | A kind of winding construction and transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109346291B (en) | 2024-02-13 |
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