CN108777217A - Transformer coil and transformer - Google Patents
Transformer coil and transformer Download PDFInfo
- Publication number
- CN108777217A CN108777217A CN201810537360.3A CN201810537360A CN108777217A CN 108777217 A CN108777217 A CN 108777217A CN 201810537360 A CN201810537360 A CN 201810537360A CN 108777217 A CN108777217 A CN 108777217A
- Authority
- CN
- China
- Prior art keywords
- coil
- transformer
- oil duct
- tension
- low
- 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.)
- Pending
Links
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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
-
- 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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F27/322—Insulating of coils, windings, or parts thereof the insulation forming channels for circulation of the fluid
-
- 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
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention provides a kind of transformer coil and transformers, are related to the technical field of transformer, the transformer coil, including high-tension coil and high-tension coil oil duct；The high-tension coil oil duct is arranged in the high-tension coil；Heat radiation oil duct is had additional in the outermost of the high-tension coil oil duct, to increase the heat dissipation area of coil, the heat dissipation area for solving transformer coil existing in the prior art is smaller, transformer coil integral heat sink ability is relatively low, it is general to increase heat dissipation area by increasing the coil inside oil duct number of plies, this will increase coil copper wire dosage the technical issues of.
Description
Technical field
The present invention relates to the technical fields of transformer, more particularly, to a kind of transformer coil and transformer.
Background technology
Wen Sheng is a crucial performance parameter for oil-immersed transformer, directly affects the operation longevity of transformer
Life, by the 6 degree of rules of heat ageing for covering the release of Singh's rule, within the temperature range of 80 to 140 degrees Celsius, the aging of paper oil insulation
The coefficient that rate varies with temperature is taken as constant, that is, temperature often increases 6K, and ageing rate increases by 1 times, transformer life less one
Half.If the coil temperature liter of the prior art is excessively high not to have repair scheme, can only be scrapped in addition to amplifying fuel tank.
The transformer coil of the prior art, outermost layer wrapped multiple lead to outermost layer without the insulation such as latitude band and reinforcement material
Coil radiating efficiency is relatively low, and heat dissipation area is smaller for the coil of the prior art, this makes to be put into coil integral heat sink ability
Relatively low generally to be realized by increasing the coil inside oil duct number of plies to increase coil heat dissipation area, this will increase coil copper wire and use
Amount, and influence coil short impedance and load loss value.
The information for being disclosed in the background technology part is merely intended to deepen understanding of the general background technology to the present invention, and
It is not construed as recognizing or implying in any form that the information constitutes the prior art known to those skilled in the art.
Invention content
The purpose of the present invention is to provide transformer coil and transformers, to alleviate transformer existing in the prior art
The heat dissipation area of coil is smaller, and transformer coil integral heat sink ability is relatively low, generally increases by increasing the coil inside oil duct number of plies
Add heat dissipation area, this will increase coil copper wire dosage the technical issues of.
In a first aspect, a kind of transformer coil provided by the invention, including：High-tension coil and high-tension coil oil duct；It is described
High-tension coil oil duct is arranged in the high-tension coil；Heat radiation oil duct is had additional in the outermost of the high-tension coil oil duct, with
Increase the heat dissipation area of coil.
Further,
The heat radiation oil duct includes：Straightway and arc section；
The straightway is consistent with the high-tension coil oil duct length, and the circle is separately connected at the both ends of the straightway
Segmental arc.
Further,
The straightway is at least two times of the high-tension coil oil duct length plus the oil duct length of the arc section.
Further,
The length of the arc section is less than the arc length of the arc section of coil.
Further,
The transformer coil further includes：Low-voltage coil；
The low-voltage coil is arranged in the outside of the high-tension coil, and is wound with low-voltage coil in the low-voltage coil
Oil duct.
Further,
The transformer coil further includes：Insulating layer；
The insulating layer is arranged between the low-voltage coil and the high-tension coil.
Further,
The transformer coil further includes：Coil rack；
The low-voltage coil is wound on the outside of the coil rack.
Second aspect, a kind of transformer, including：Shell and first aspect any one of them transformer coil, the change
Transformer coil is arranged in the shell.
Using transformer coil provided by the invention and transformer, at least there is advantageous effect：
Transformer coil provided by the invention, including：High-tension coil and high-tension coil oil duct；The setting of high-tension coil oil duct exists
In high-tension coil；Heat radiation oil duct is had additional in the outermost of high-tension coil oil duct, to increase the heat dissipation area of coil.
Here, increase by one layer of long oil duct by the outmost turns of the high-tension coil oil duct in high-tension coil, to increase coil
Heat dissipation area, but it is increased without the dosage of coil copper, and coil short impedance and load loss value are not influenced, and it is available to original
Temperature rises unqualified coil and places under repair.The easy implementation simple for process of above-mentioned closet coil, convenient for being widely popularized and applying.
Transformer provided by the invention, including：Transformer coil described in shell and first aspect, the transformer coil
It is arranged in the shell.Here transformer has the advantages that all of above-mentioned transformer coil.
Description of the drawings
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 are briefly described, it should be apparent that, in being 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, other drawings may also be obtained based on these drawings.
Fig. 1 is the dimensional structure diagram of transformer coil provided in an embodiment of the present invention；
Fig. 2 is the vertical view of transformer coil provided in an embodiment of the present invention；
Fig. 3 is the dimensional structure diagram of oil duct provided in an embodiment of the present invention；
Fig. 4 is the vertical view of oil duct provided in an embodiment of the present invention.
Icon：1- coil racks；2- low-voltage coils；3- high-tension coils；4- insulating layers；5- low-voltage coil oil ducts；
6- high-tension coil oil ducts；7- heat radiation oil ducts；8- is without latitude band；9- latitude stays；10- is through stay.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for the description present invention and simplify description, do not indicate or imply the indicated device or element must have a particular orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for description purposes only, and is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the dimensional structure diagram of transformer coil provided in an embodiment of the present invention；Fig. 2 carries for the embodiment of the present invention
The vertical view of the transformer coil of confession；Fig. 3 is the dimensional structure diagram of oil duct provided in an embodiment of the present invention；Fig. 4 is this hair
The vertical view for the oil duct that bright embodiment provides.
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, below in conjunction with attached drawing to transformer coil provided in an embodiment of the present invention and
Transformer elaborates.
A kind of transformer coil that at least one embodiment of the present invention provides, including：High-tension coil 3 and high-tension coil oil duct
6；The high-tension coil oil duct 6 is arranged in the high-tension coil 3；It is had additional in the outermost of the high-tension coil oil duct 6 scattered
Deep fat road 7, to increase the heat dissipation area of coil.
It should be noted that here, increasing by one layer of long oil by the outmost turns of the high-tension coil oil duct 6 in high-tension coil 3
Road to increase the heat dissipation area of coil, but is increased without the dosage of coil copper, and does not influence coil short impedance and load loss
Value, and can be used and place under repair to the unqualified coil of original temperature liter.The easy implementation simple for process of above-mentioned closet coil, convenient for extensive
Promotion and application.
In addition, the heat radiation oil duct 7 includes：Straightway and arc section；
The straightway is consistent with 6 length of high-tension coil oil duct, is separately connected at the both ends of the straightway described
Arc section.
Specifically, straightway is at least two times of 6 length of high-tension coil oil duct plus the oil duct length of the arc section.
The length of arc section is less than the arc length of the arc section of coil.
It should be noted that the transformer coil that provides of at least one embodiment of the present invention can high-efficient radiating function be to use
What following manner was realized：By increasing heat radiation oil duct 7 in 3 long axis side outermost layer of high-tension coil, increase the outermost heat dissipation of coil
Efficiency, the 1/4 circular arc segment length of coil long axis side two is generally 2 times longer than coil inside straightway oil duct plus length of straigh line,
Coil heat dissipation area is greatly increased, to achieve the effect that high efficiency and heat radiation.
In addition, the transformer coil further includes：Low-voltage coil 2；
The low-voltage coil 2 is arranged in the outside of the high-tension coil 3, and is wound with low pressure in the low-voltage coil 2
Coil oil duct 5.
Increasing heat radiation oil duct 7 in 3 long axis side outermost layer of high-tension coil, oil duct coats the arc section and straightway of long axis side,
But long axis side arc section is not got higher than, does not increase transformer coil centre-to-centre spacing.
Transformer coil provided by the invention, solve in the prior art transformer coil heat radiation energy force difference, temperature increase cannot
The problem of repairing, operability is strong, while cost increase is less.
Here, the transformer coil further includes：Insulating layer 4；
The insulating layer 4 is arranged between the low-voltage coil 2 and the high-tension coil 3.
Meanwhile the transformer coil further includes：Coil rack 1；
The low-voltage coil 2 is wound on the outside of the coil rack 1.
The transformer coil that at least one embodiment of the present invention provides, including：Coil rack 1, low-voltage coil 2, high-voltage line
Circle 3, insulating layer 4, low-voltage coil oil duct 5, high-tension coil oil duct 6, on the outside of heat radiation oil duct 7 and coil without latitude band 8.Its mesolow
Coil 2 is wound on coil rack 1, and insulating layer 4 is wound on low-voltage coil 2, and high-tension coil 3 is wound on insulating layer 4, high,
Low-voltage coil oil duct 5 is wound on respectively inside high and low pressure coil 2, and heat radiation oil duct 7 is wound on the outside of 3 long axis side of high-tension coil, outside
Side is without 8 winding of latitude band on the outside of entire coil.
Transformer coil structure is not limited to square coil, can be the variously-shaped coils such as circular coil, oval coil,
Transformer coil provided by the invention can be used and increase oil duct in long axis side outermost to increase the heat dissipation area of coil.
The structure of above-mentioned oil duct is formed by a plurality of latitude stay 9, through stay 10, and latitude stay 9 will be integrally located at through stay 10
Under, without top-bottom cross；And 9 thickness and width size of latitude stay is much smaller compared with through stay 10, latitude stay 9 and through stay in addition
10 thickness and width dimensions will reasonably be coordinated.
Here oil duct uses grid type oil duct technology, and oil duct easily blocks in the prior art, heat dissipation area is small for solution, anti-short
The weak problem of road ability.Grid type oil duct latitude stay 9 is relatively thin and is spaced apart, and will not form the continuous pleat of obstruction oil flow channel
Wrinkle ensures that oil flow channel is smooth.Since latitude stay 9 will not block oil duct, it can accomplish original stay through 10 thickness of stay
Half or smaller, therefore the oil that coil can double under the premise of not influencing Transformer Short Circuit Impedance and load loss
The road number of plies, and then the heat dissipation area doubled realize high-efficient radiating function.Grid type oil duct has high-tensile and resistance
Shape has higher mechanical strength, and still has higher mechanical strength at high temperature at normal temperatures, in coil short
Good support is formed to each layer of coil, coil is made to be unlikely to deform, realizes resistance to shorting function.
Second aspect, a kind of transformer provided by the invention, including：Shell and first aspect any one of them transformer
Coil, the transformer coil are arranged in the shell.
The transformer coil and transformer of the present invention are illustrated above, still, the present invention is not limited to above-mentioned tools
The embodiment of body can carry out various deformations or change without departing from the scope of the claims.The present invention includes
Various modifications within the scope of the claims and change.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (8)
1. a kind of transformer coil, including：High-tension coil and high-tension coil oil duct；The high-tension coil oil duct is arranged in the height
In crimping circle；It is characterized in that, the outermost in the high-tension coil oil duct has additional heat radiation oil duct, to increase the heat dissipation of coil
Area.
2. transformer coil according to claim 1, which is characterized in that the heat radiation oil duct includes：Straightway and circular arc
Section；
The straightway is consistent with the high-tension coil oil duct length, and the circular arc is separately connected at the both ends of the straightway
Section.
3. transformer coil according to claim 2, which is characterized in that the straightway adds the oil duct of the arc section
Long be at least the high-tension coil oil duct length two times.
4. transformer coil according to claim 3, which is characterized in that the length of the arc section is less than the circular arc of coil
The arc length of section.
5. transformer coil according to claim 1, which is characterized in that the transformer coil further includes：Low-voltage coil；
The low-voltage coil is arranged in the outside of the high-tension coil, and low-voltage coil oil is wound in the low-voltage coil
Road.
6. transformer coil according to claim 5, which is characterized in that the transformer coil further includes：Insulating layer；
The insulating layer is arranged between the low-voltage coil and the high-tension coil.
7. transformer coil according to claim 5, which is characterized in that the transformer coil further includes：Coil rack；
The low-voltage coil is wound on the outside of the coil rack.
8. a kind of transformer, including：Shell and claim 1-7 any one of them transformer coils, the transformer coil
It is arranged in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537360.3A CN108777217A (en) | 2018-05-30 | 2018-05-30 | Transformer coil and transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810537360.3A CN108777217A (en) | 2018-05-30 | 2018-05-30 | Transformer coil and transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108777217A true CN108777217A (en) | 2018-11-09 |
Family
ID=64028168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810537360.3A Pending CN108777217A (en) | 2018-05-30 | 2018-05-30 | Transformer coil and transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108777217A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151149A (en) * | 2013-03-07 | 2013-06-12 | 山东威特变压器厂 | Oil-saving transformer |
| CN104064331A (en) * | 2014-07-09 | 2014-09-24 | 伊戈尔电气股份有限公司 | Wrapping insulation part for high tension coils of oil-immersed transformer |
| CN205264472U (en) * | 2015-12-25 | 2016-05-25 | 上海南桥变压器有限责任公司 | High insulation system who transships distribution transformer |
| CN205845675U (en) * | 2016-06-07 | 2016-12-28 | 广东瑞智电力科技有限公司 | A kind of supporting construction of Long Circle coil |
| CN106981349A (en) * | 2017-03-22 | 2017-07-25 | 宁波奥克斯高科技有限公司 | A kind of resistance to shorting structure of amorphous alloy transformer |
| CN208589336U (en) * | 2018-05-30 | 2019-03-08 | 上海置信电气非晶有限公司 | Transformer coil and transformer |
-
2018
- 2018-05-30 CN CN201810537360.3A patent/CN108777217A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151149A (en) * | 2013-03-07 | 2013-06-12 | 山东威特变压器厂 | Oil-saving transformer |
| CN104064331A (en) * | 2014-07-09 | 2014-09-24 | 伊戈尔电气股份有限公司 | Wrapping insulation part for high tension coils of oil-immersed transformer |
| CN205264472U (en) * | 2015-12-25 | 2016-05-25 | 上海南桥变压器有限责任公司 | High insulation system who transships distribution transformer |
| CN205845675U (en) * | 2016-06-07 | 2016-12-28 | 广东瑞智电力科技有限公司 | A kind of supporting construction of Long Circle coil |
| CN106981349A (en) * | 2017-03-22 | 2017-07-25 | 宁波奥克斯高科技有限公司 | A kind of resistance to shorting structure of amorphous alloy transformer |
| CN208589336U (en) * | 2018-05-30 | 2019-03-08 | 上海置信电气非晶有限公司 | Transformer coil and transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181109 |
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| RJ01 | Rejection of invention patent application after publication |