CN107546010B - A kind of transformer regulating winding construction - Google Patents
A kind of transformer regulating winding construction Download PDFInfo
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- CN107546010B CN107546010B CN201710700616.3A CN201710700616A CN107546010B CN 107546010 B CN107546010 B CN 107546010B CN 201710700616 A CN201710700616 A CN 201710700616A CN 107546010 B CN107546010 B CN 107546010B
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Abstract
The invention discloses a kind of transformer regulating winding constructions, including tap-changing windings support tube and down-lead bracket, the tap-changing windings support tube is fixedly mounted on the inner surface of down-lead bracket, insulation board is also fixedly installed on the left side of the tap-changing windings support tube, the upper surface of the down-lead bracket is wound with high-voltage connection, the left end of the high-voltage connection is connected with U-shaped spiral organ, the U-shaped spiral organ is internally provided with transformer winding device, the right side of the U-shaped spiral organ also passes through connecting rod and is connected with down-lead bracket, the U-shaped spiral organ includes rotation axis, the outer surface of the rotation axis is equipped with internal layer paper tube, the surface of the internal layer paper tube is also fixedly installed with inner bracing strip, it can reduce the airway between two layers using U-shaped double helix, coiling is convenient, processing technology is easily guaranteed that, and it can reduce layer Between airway, increase winding space filling rate, saved material cost.
Description
Technical field
The present invention relates to transformer technology field, specially a kind of transformer regulating winding construction.
Background technique
On-load regulator transformer plays an important role in the power system, it can not only steady load center voltage, and
It is also contact power grid, adjusts load current and improve without the indispensable load tapchanging basic mode of important equipment # such as the distribution of work
Mainly linear voltage regulation, coarse and fine voltage regulation and positive-negative voltage-regulation, each way has respective pressure regulation feature and the scope of application, insulation are wanted
Ask also not identical, choose different voltage regulating modes by transformer performance parameter and cost produce bigger effect:
(1) two-layer equation winding is a kind of form that current transformer regulating mainly uses.For U-shaped Helical winding, by
In ectonexine there are the intrinsic helical angle of Helical winding and axial oil channel cushion block, so that winding is in winding process, for rising
Layer place and the features such as difference of ectonexine helical angle, must take some special technological measures, for the technological measure at liter layer
Tapered end circle is usually used, or end is evened up.Internal layer and outer layer cannot share an axial oil channel cushion block, between two layers
The cushion block connection of ectonexine can only be got up by " I " fonts stay, some U-shaped windings also add paper tube between ectonexine,
This structure increases the airway between internal layer and outer layer instead, increases material cost；
(2) for existing transformer most easily there is a problem in that when high pressure head end carries out lighting full-wave impulse test, high pressure is first
It brings out outer layer oil clearance cardboard of the line between high-voltage winding and lofty tone winding and electricity is climbed to pressure regulation winding overhang, cause transformer event
Barrier, the reason is that the outlet of high pressure head end is inadequate to the creepage distance of pressure regulation winding overhang.
Summary of the invention
In order to overcome the shortcomings of that prior art, the present invention provide a kind of transformer regulating winding construction, using U-shaped double
Layer helical structure can reduce the airway between two layers, and coiling is convenient, and processing technology is easily guaranteed that, and can reduce interlayer sky
Road increases winding space filling rate, has saved material cost, can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is: a kind of transformer regulating winding construction, including adjusts
Pressure winding support tube and down-lead bracket, the tap-changing windings support tube are fixedly mounted on the inner surface of down-lead bracket, the pressure regulation
Insulation board is also fixedly installed on the left side of winding support tube, the upper surface of the down-lead bracket is wound with high-voltage connection, institute
The left end for stating high-voltage connection is connected with U-shaped spiral organ, and the U-shaped spiral organ is internally provided with transformer winding device, institute
The right side for stating U-shaped spiral organ also passes through connecting rod and is connected with down-lead bracket, and the U-shaped spiral organ includes rotation axis, described
The outer surface of rotation axis is equipped with internal layer paper tube, and the surface of the internal layer paper tube is also fixedly installed with inner bracing strip, the inner bracing strip
Outer surface be connected by U-bolt with intermediate stays, the tops of the intermediate stays is connected by U-bolt with outer stay
It connects, the end of the outer stay is connected with annular sleeve, and outer winding layer, institute are provided between the outer stay and annular sleeve
The inside for stating intermediate stays is additionally provided with inner winding layer.
As a preferred technical solution of the present invention, the transformer winding device includes main transformer low pressure tap-changing windings axis
Become low pressure winding with the first string, described be lower presses tap-changing windings axis and first to go here and there to become between low pressure winding and be connected by winding wire
It connects.
As a preferred technical solution of the present invention, the main transformer low pressure tap-changing windings axis and the first string become low pressure winding
Left end also pass through winding wire and main transformer low pressure winding and the second string becomes low pressure winding and is connected, the main transformer low pressure winding and the
Two strings, which become between low pressure winding, to be serially connected.
As a preferred technical solution of the present invention, the right end of the main transformer low pressure winding and the second string change low pressure winding
It is additionally provided with main transformer high-voltage winding and string becomes high-voltage winding, the output end that sent main transformer high-voltage winding and string become high-voltage winding passes through
Toggle switch is connected with main transformer high pressure tap-changing windings axis.
As a preferred technical solution of the present invention, the terminal and the beginning phase of outer winding layer of the inner winding layer
Connection, and it is continuously coupled using press-bending type helical structure between inner winding layer and outer winding layer.
As a preferred technical solution of the present invention, the part of the inner winding layer and outer winding layer is additionally provided with U
Type slideway gasket send U-shaped slideway gasket to be arranged on the outer surface of intermediate stays.
Compared with prior art, the beneficial effects of the present invention are:
(1) mode that the present invention is combined using tap-changing windings support tube and down-lead bracket realizes that control is lifted one's head to a high-profile in middle part
Winding overhang climbs electricity, so that lofty tone winding overhang climbs the electric road You Ertiao, first route is lifted one's head from middle part along down-lead bracket, height
Winding midfoot support cylinder is adjusted to climb to the end of lofty tone winding；Article 2 route is to lift one's head from middle part between high pressure and lofty tone winding
Outermost layer annular sleeve surface, climb to the end of lofty tone winding, solve middle part inlet wire high voltage winding terminal to lofty tone winding overhang
Creepage distance problem, can be effectively solved transformer fault problem；
(2) present invention is realized by installation transformer winding device to series transformer pressure regulation, is had the advantage that and is 1. adjusted
Press range wide；2. main transformer can work under permanent magnetic flux, material is taken full advantage of, more for the biggish design of transformer of capacity
It is economical；3. main transformer tap-changing windings and string are got higher, the capacity of low pressure winding depends on range of regulation, value is far smaller than main transformer
Output capacity can substantially reduce tap switch electric current, convenient for choosing the high tap switch of safety coefficient.
(3) present invention use press-bending type helix windings method, will can spirally be modified to continous way, avoid spirally around
The helical angle of group, for the single-screw and double helix of several paralleled conductor, since internal layer and outer layer do not have the difference of helical angle, internal layer with
An oil channel cushion block can be shared between outer layer, can be cancelled interlayer " I " fonts stay, be substantially reduced interlayer airway in this way,
Save material.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is transformer winding apparatus structure schematic diagram of the invention；
Fig. 3 is U-shaped spiral organ structural schematic diagram of the invention.
In figure: 1- down-lead bracket;2- tap-changing windings support tube；3- toggle switch；4- high-voltage connection；5- down-lead bracket；6-U
Type spiral organ；7- transformer winding device；8- connecting rod；9- rotation axis；10- internal layer paper tube；11- inner bracing strip；12-U type bolt；
13- intermediate stays；14-U type slideway gasket；15- outer stay；16- annular sleeve；17- outer winding layer；18- outer winding layer；
19- main transformer high pressure tap-changing windings axis；20- main transformer low pressure tap-changing windings axis；The string of 21- first becomes low pressure winding；22- main transformer low pressure around
Group；The string of 23- second becomes low pressure winding；24- main transformer high-voltage winding；25- string becomes high-voltage winding.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The explanation of following embodiment be with reference to attached drawing, can be to the specific embodiment implemented to the example present invention.
The direction and position term that the present invention is previously mentioned, for example, "upper", " in ", "lower", "front", "rear", "left", "right", "inner", "
Outside ", " side " etc. is only direction and position with reference to annexed drawings.Therefore, the direction and position term used is to illustrate
And understand the present invention, rather than to limit the present invention.
Embodiment:
As shown in figures 1 and 3, the present invention provides a kind of transformer regulating winding constructions, including tap-changing windings support tube 2
With down-lead bracket 1, the tap-changing windings support tube 2 is fixedly mounted on the inner surface of down-lead bracket 1, the tap-changing windings support tube
Insulation board 5 is also fixedly installed on 2 left side, the upper surface of the down-lead bracket 1 is wound with high-voltage connection 4, the high pressure
The left end of lead 4 is connected with U-shaped spiral organ 6, and the U-shaped spiral organ 6 is internally provided with transformer winding device 7, the U
The right side of type spiral organ 6 also passes through connecting rod 8 and is connected with down-lead bracket 1, and the U-shaped spiral organ 6 includes rotation axis 9, institute
The outer surface for stating rotation axis 9 is equipped with internal layer paper tube 10, and the surface of the internal layer paper tube 10 is also fixedly installed with inner bracing strip 11, institute
The outer surface for stating inner bracing strip 11 is connected by U-bolt 12 with intermediate stays 13, and the top of the intermediate stays 13 passes through U-shaped
Bolt is connected with outer stay 15, and the end of the outer stay 15 is connected with annular sleeve 16, the outer stay 15 and annular sleeve
Outer winding layer 17 is provided between 16, the inside of the intermediate stays 13 is additionally provided with inner winding layer 18；
As shown in Figure 1, the terminal of the inner winding layer 18 is connected with the beginning of outer winding layer 17, and internal winding
It is continuously coupled using press-bending type helical structure between layer 18 and outer winding layer 17, the inner winding layer 18 and outer winding layer
17 part is additionally provided with U-shaped slideway gasket 14, and U-shaped slideway gasket 14 is sent to be arranged on the outer surface of intermediate stays 13.
It will can be spirally modified to continous way by the way that U-shaped slideway gasket 14 is arranged, avoid the helical angle of Helical winding,
It can between internal layer and outer layer since internal layer and outer layer do not have the difference of helical angle for the single-screw and double helix of several paralleled conductor
To share an oil channel cushion block, interlayer " I " fonts stay can be cancelled, substantially reduce interlayer airway in this way, it is empty to increase winding
Between filling rate, save production raw material, by adjust every cake wire turn " neutral gear " number, adjust winding with can be convenient and go out end to end
The position of head, also, the end circle between low pressure winding is also easy production up and down, can share an end circle.
As shown in Fig. 2, the transformer winding device 7 include main transformer low pressure tap-changing windings axis 20 and first string be lower pressure around
Group 21, described be lower press tap-changing windings axis 20 and first to go here and there to become between low pressure winding 21 and be connected by winding wire；The main transformer
The left end that low pressure tap-changing windings axis 20 and the first string become low pressure winding 21 also passes through winding wire and main transformer low pressure winding 22 and second
String becomes low pressure winding 23 and is connected, and is serially connected between the main transformer low pressure winding 22 and the second string change low pressure winding 23；Institute
The right end for stating main transformer low pressure winding 22 and the second string change low pressure winding 23 is additionally provided with main transformer high-voltage winding 24 and string change high voltage winding
The output end that group 25, sent main transformer high-voltage winding 24 and string become high-voltage winding 25 pass through toggle switch 3 and the pressure regulation of main transformer high pressure around
Group axis 19 is connected, described after main transformer high pressure flanks primary side voltage, passes through electromagnetic induction, the low pressure winding and pressure regulation of main transformer
Winding all generates constant voltage.The high voltage supply become using the independent tap-changing windings of main transformer to string, realizes energy transmission.Pass through
Change tap the number of turns of main transformer tap-changing windings to change the voltage for being applied to string and becoming high-voltage winding, string is caused to become the electricity of low pressure winding
Pressure changes, to change the low pressure winding resultant voltage that main, string becomes.
In conclusion the main characteristic of the invention lies in that:
(1) mode that the present invention is combined using tap-changing windings support tube and down-lead bracket realizes that control is lifted one's head to a high-profile in middle part
Winding overhang climbs electricity, so that lofty tone winding overhang climbs the electric road You Ertiao, first route is lifted one's head from middle part along down-lead bracket, height
Winding midfoot support cylinder is adjusted to climb to the end of lofty tone winding；Article 2 route is to lift one's head from middle part between high pressure and lofty tone winding
Outermost layer annular sleeve surface, climb to the end of lofty tone winding, solve middle part inlet wire high voltage winding terminal to lofty tone winding overhang
Creepage distance problem, can be effectively solved transformer fault problem；
(2) present invention is realized by installation transformer winding device to series transformer pressure regulation, is had the advantage that and is 1. adjusted
Press range wide；2. main transformer can work under permanent magnetic flux, material is taken full advantage of, more for the biggish design of transformer of capacity
It is economical；3. main transformer tap-changing windings and string are got higher, the capacity of low pressure winding depends on range of regulation, value is far smaller than main transformer
Output capacity can substantially reduce tap switch electric current, convenient for choosing the high tap switch of safety coefficient.
(3) present invention use press-bending type helix windings method, will can spirally be modified to continous way, avoid spirally around
The helical angle of group, for the single-screw and double helix of several paralleled conductor, since internal layer and outer layer do not have the difference of helical angle, internal layer with
An oil channel cushion block can be shared between outer layer, can be cancelled interlayer " I " fonts stay, be substantially reduced interlayer airway in this way,
Save material.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of transformer regulating winding construction, it is characterised in that: including tap-changing windings support tube (2) and down-lead bracket (1), institute
State the inner surface that tap-changing windings support tube (2) is fixedly mounted on down-lead bracket (1), the left side of the tap-changing windings support tube (2)
It is also fixedly installed on face insulation board (5), the upper surface of the down-lead bracket (1) is wound with high-voltage connection (4), and the high pressure is drawn
The left end of line (4) is connected with U-shaped spiral organ (6), and the U-shaped spiral organ (6) is internally provided with transformer winding device
(7), the right side of the U-shaped spiral organ (6) also passes through connecting rod (8) and is connected with down-lead bracket (1), the U-shaped spiral organ
It (6) include rotation axis (9), the outer surface of the rotation axis (9) is equipped with internal layer paper tube (10), the table of the internal layer paper tube (10)
Face is also fixedly installed with inner bracing strip (11), and the outer surface of the inner bracing strip (11) passes through U-bolt (12) and intermediate stays (13)
It is connected, the top of the intermediate stays (13) is connected by U-bolt with outer stay (15), the end of the outer stay (15)
End is connected with annular sleeve (16), is provided with outer winding layer (17), institute between the outer stay (15) and annular sleeve (16)
The inside for stating intermediate stays (13) is additionally provided with inner winding layer (18)；The transformer winding device (7) includes main transformer low pressure
Tap-changing windings axis (20) and the first string become low pressure winding (21), and the main transformer low pressure tap-changing windings axis (20) is lower pressure with the first string
Winding is connected between (21) by winding wire.
2. a kind of transformer regulating winding construction according to claim 1, it is characterised in that: the main transformer low pressure pressure regulation around
The left end that group axis (20) and the first string become low pressure winding (21) also passes through winding wire and main transformer low pressure winding (22) and the second string becomes
Low pressure winding (23) is connected, and is serially connected between the main transformer low pressure winding (22) and the second string change low pressure winding (23).
3. a kind of transformer regulating winding construction according to claim 2, it is characterised in that: the main transformer low pressure winding
(22) and the right end of the second string change low pressure winding (23) is additionally provided with main transformer high-voltage winding (24) and string becomes high-voltage winding (25), institute
The output end for sending main transformer high-voltage winding (24) and string to become high-voltage winding (25) passes through toggle switch (3) and main transformer high pressure tap-changing windings
Axis (19) is connected.
4. a kind of transformer regulating winding construction according to claim 1, it is characterised in that: the inner winding layer (18)
Terminal be connected with the beginning of outer winding layer (17), and between inner winding layer (18) and outer winding layer (17) using pressure
Curved formula helical structure is continuously coupled.
5. a kind of transformer regulating winding construction according to claim 1, it is characterised in that: the inner winding layer (18)
It is additionally provided with U-shaped slideway gasket (14) with the part of outer winding layer (17), U-shaped slideway gasket (14) is sent to be arranged in intermediate stays
(13) on outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700616.3A CN107546010B (en) | 2017-08-16 | 2017-08-16 | A kind of transformer regulating winding construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710700616.3A CN107546010B (en) | 2017-08-16 | 2017-08-16 | A kind of transformer regulating winding construction |
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| Publication Number | Publication Date |
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| CN107546010A CN107546010A (en) | 2018-01-05 |
| CN107546010B true CN107546010B (en) | 2019-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710700616.3A Active CN107546010B (en) | 2017-08-16 | 2017-08-16 | A kind of transformer regulating winding construction |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0696967A (en) * | 1992-09-14 | 1994-04-08 | Ulvac Japan Ltd | Matching device for high-frequency power supply for processing device |
| JP2000184714A (en) * | 1998-12-14 | 2000-06-30 | Sharp Corp | Coil winding structure of transformer and switching power supply device using the same |
| CN201698881U (en) * | 2010-02-04 | 2011-01-05 | 中电电气(江苏)股份有限公司 | On-load voltage regulating structure of 110kV power transformer |
| CN201601006U (en) * | 2010-02-09 | 2010-10-06 | 四川蜀能电器有限责任公司 | Voltage regulating coil structure of transformer fitted with on-load-tap-changer |
| CN101968994A (en) * | 2010-07-16 | 2011-02-09 | 江苏上能变压器有限公司 | Double-ring on-load tap changer with ultrahigh impedance of 110 kV |
| DE102011014325B4 (en) * | 2011-03-18 | 2014-11-27 | Maschinenfabrik Reinhausen Gmbh | OLTC |
| CN103606445A (en) * | 2013-12-04 | 2014-02-26 | 正泰电气股份有限公司 | Method for effectively reducing current passing through on-load tap-changer of transformers |
| CN204596593U (en) * | 2015-04-30 | 2015-08-26 | 柳州索能特种变压器有限责任公司 | A kind of transformer regulating section winding construction |
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- 2017-08-16 CN CN201710700616.3A patent/CN107546010B/en active Active
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Effective date of registration: 20201215 Address after: 221000 plant area of Xuzhou sluke Construction Machinery Co., Ltd., Liulu village, Daxu Town, Tongshan District, Xuzhou City, Jiangsu Province Patentee after: Jiangsu Hongbian Electric Co.,Ltd. Address before: 241000 Henan Industrial Park, Changjiang Road, Jiujiang District, Wuhu City, Anhui Province Patentee before: WUHU KAIXIN LIGHTNING ARRESTER Co.,Ltd. |