CN209168903U - A kind of winding construction and transformer - Google Patents
A kind of winding construction and transformer Download PDFInfo
- Publication number
- CN209168903U CN209168903U CN201821734741.2U CN201821734741U CN209168903U CN 209168903 U CN209168903 U CN 209168903U CN 201821734741 U CN201821734741 U CN 201821734741U CN 209168903 U CN209168903 U CN 209168903U
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- coil
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- tertiary
- winding construction
- transformer
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- 238000004804 winding Methods 0.000 title claims abstract description 133
- 238000010276 construction Methods 0.000 title claims abstract description 57
- 239000000203 mixture Substances 0.000 claims description 7
- 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
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Abstract
The utility model 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 utility model, 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 utility model 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.
Utility model content
Therefore, the utility model embodiment technical problems to be solved are winding construction in the prior art, by winding
The coil wound in structure is respectively provided with identical height and forms rectangular area, and the field strength of winding construction end is caused to increase, and holds
Easily cause the insulating bodies in winding construction that punch-through occurs.
For this purpose, the utility model embodiment provides following technical solution:
The utility model embodiment provides a kind of winding construction, including first coil, the second coil and tertiary coil, described
Second coil between the first coil and the tertiary coil, and respectively with the first coil and the tertiary coil
Connection, the first coil and the tertiary coil are equal with the distance between second coil respectively, the first coil
With the tertiary coil respectively successively according to preset interval to second coil configuration, and the adjacent first coil and phase
The height difference of the adjacent tertiary coil is 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 utility model embodiment provides a kind of transformer, comprising: the winding construction, using the winding construction as institute
The high-voltage winding of transformer is stated, 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.
The utility model embodiment technical solution, has the advantages that
The utility model provides a kind of winding construction and transformer, and wherein winding construction includes first coil, the second coil
And tertiary coil, the second coil are connect between first coil and tertiary coil, and 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 respectively successively according to
Preset interval is to the second coil configuration, and the height difference of adjacent first coil and adjacent tertiary coil is the first default threshold
Value.Winding construction in the utility model, by by the layout area of first coil, the second coil and tertiary coil composition etc.
Lumbar triangle shape or isosceles trapezoid make first coil and the height of tertiary coil have certain gradient, can largely,
So that the field strength of the end of winding construction reduces, punch-through, Jin Erzeng can occur to avoid the insulating bodies in winding construction
The electric property of strong winding construction.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the first schematic diagram of winding construction in the utility model embodiment;
Fig. 2 is the second schematic diagram of winding construction in the utility model embodiment;
Fig. 3 is the structural schematic diagram of transformer in the utility model embodiment.
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 utility model embodiment, it is clear that institute
The embodiment of description is the utility model a part of the embodiment, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the range of the utility model protection.
In the description of the utility model embodiment, it should be noted that term " center ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "inner", "outside" is orientation based on the figure or position
Relationship, be merely for convenience of description the utility model embodiment and simplify description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.In addition, term " first ", " second ", " third " are used for description purposes only, it is not understood to indicate or imply relatively important
Property.
In the description of the utility model embodiment, it should be noted that unless otherwise clearly defined and limited, term
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, it can also be indirect by intermediary
It is connected, can also be the connection inside two elements, can be wireless connection, be also possible to wired connection.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
The utility model embodiment provides a kind of winding construction 1, as shown in Figure 1, the winding construction 1 respectively includes First Line
Enclose the 11, 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 utility model embodiment, the quantity of the second coil 12 can be 1 circle, or 2 circles,
Or 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 the quantity of the second coil 12 is multiturn, between the second equal and adjacent coil 12 of the height of the second coil 12 of every circle
Interval it is also equal.
Winding construction 1 in the utility model embodiment, first successively to arrange to the second coil 12 according to preset interval
Coil 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
First coil 11 it is equal with the quantity of tertiary coil 13, i.e., according to preset interval successively to the second coil 12 arrange First Line
The side length that circle 11 is constituted is equal with the side length that the tertiary coil 13 successively arranged to the second coil 12 according to preset interval is constituted, by
This finds out, in Fig. 1, the layout area composition isosceles of the equal first coil 11 of quantity and tertiary coil 13 and the second coil 12
Triangle, in Fig. 2, the layout area composition of the equal first coil 11 of quantity and tertiary coil 13 and multiple second coils 12
Isosceles trapezoid.As it can be seen that composition isosceles triangle or isosceles trapezoid layout area winding construction 1 compare rectangle local, due to around
The end of group structure 1 is distributed in equal difference, largely, it is possible to reduce certain field strength distribution, and then can be to avoid biggish
The insulating bodies being arranged in field strength breakdown winding construction 1, that is, improve the electric property of winding construction 1.
Winding construction 1 in the utility model embodiment, first successively to arrange to the second coil 12 according to preset interval
The distance between first coil and the second coil 12 of coil 11 and tertiary coil 13 are the second preset threshold.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 second preset threshold between No. 31 coils of coil or No. 21 coils and the second coil 12 is a, and a is regarded as winding construction 1
No. 11 coils or No. 21 coils and No. 31 coils of the second coil 12 between horizontal distance.
Winding construction 1 in the utility model embodiment, first successively to arrange to the second coil 12 according to preset interval
The first coil of coil 11 and tertiary coil 13 is respectively third predetermined threshold value with the height difference of the second coil 12.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.In Fig. 1
The height difference of No. 31 coils of the height of No. 11 coils or No. 21 coils and the second coil 12 is b, in Fig. 1 or in Fig. 2, b
For third predetermined threshold value, b is regarded as No. 31 of No. 11 coils of winding construction 1 or the top of No. 21 coils and the second coil 12
Vertical range between the top of coil.
The ratio of winding construction 1 in the utility model embodiment, the second preset threshold and third predetermined threshold value is 2-
2.5, electric-field intensity distribution can be made optimal, realize preferable electric property.
Winding construction 1 in the utility model embodiment, by by first coil 11, the second coil 12 and tertiary coil
13 layout area composition isosceles triangle or isosceles trapezoid, by first coil 11 and tertiary coil 13 according to preset interval to the
Two coil 12 is successively arranged, and first coil 11 and the height of tertiary coil 13 is made to have certain gradient, can be largely
On, so that the field strength of the end of winding construction 1 reduces, punch-through can occur to avoid the insulating bodies in winding construction 1, into
And enhance the electric property of winding construction 1.
Embodiment 2
The utility model embodiment 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 in flexible substation
With the effect of transimission 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 utility model embodiment, the distance between high-voltage winding 21 and low pressure winding 22 are 9mm-
15mm.When setting 9mm-15mm for the distance between high-voltage winding 21 and low pressure winding 22, the high pressure of transformer 2 can be made
Winding 21 and low pressure winding 22 are more compact, further such that the overall volume of transformer 2 reduces, also reduce transformer 2
Manufacturing cost.
Transformer 2 in the utility model embodiment, 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 transformation
The high-voltage winding 21 and the height of low pressure winding 22 of device 2 are closer to, as preferable embodiment, when high-voltage winding 21 with it is low
When height ratio between pressure winding 22 is 0.95, the local field strength of transformer 2 can be made minimum, so that the leakage of transformer 2
Sense and loss are minimum.
Transformer 2 in the utility model embodiment, further including further includes being located at the first iron core, the second iron core, first absolutely
Edge layer and second insulating layer, wherein between high-voltage winding 21 and the first iron core, second insulating layer is located at low the first insulating layer
It presses between winding 22 and the second iron core.
The material of transformer 2 in the utility model embodiment, high-voltage winding 21 and low pressure winding 22 is copper foil material, high
Pressure winding 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 utility model embodiment, by the way that high-voltage winding 21 to be arranged to have certain gradient
Winding construction 1 largely can reduce the field strength between the high-voltage winding 21 of transformer 2 and low pressure winding 22, avoid
Insulating bodies 23 between high-voltage winding 21 and low pressure winding 22 is hidden because of safety caused by the excessive generation punch-through of local field strength
Suffer from, so, the electrical insulation properties and service life of transformer can be enhanced in the transformer 2 in the present embodiment, and then can make
Transformer 2 is obtained to be 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 among the protection scope created still in the utility model.
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 5, 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)
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CN201821734741.2U CN209168903U (en) | 2018-10-24 | 2018-10-24 | A kind of winding construction and transformer |
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CN201821734741.2U CN209168903U (en) | 2018-10-24 | 2018-10-24 | A kind of winding construction and transformer |
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CN209168903U true CN209168903U (en) | 2019-07-26 |
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ID=67334992
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109346291A (en) * | 2018-10-24 | 2019-02-15 | 全球能源互联网研究院有限公司 | A kind of winding construction and transformer |
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2018
- 2018-10-24 CN CN201821734741.2U patent/CN209168903U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109346291A (en) * | 2018-10-24 | 2019-02-15 | 全球能源互联网研究院有限公司 | A kind of winding construction and transformer |
CN109346291B (en) * | 2018-10-24 | 2024-02-13 | 全球能源互联网研究院有限公司 | Winding structure and transformer |
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