CN208796788U - Four layer screw type loop constructions - Google Patents
Four layer screw type loop constructions Download PDFInfo
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- CN208796788U CN208796788U CN201820849271.8U CN201820849271U CN208796788U CN 208796788 U CN208796788 U CN 208796788U CN 201820849271 U CN201820849271 U CN 201820849271U CN 208796788 U CN208796788 U CN 208796788U
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Abstract
The utility model relates to four layer screw type loop constructions, including insulating cylinder, the periphery of insulating cylinder, which is equipped with to be introduced along axial screw coiling from the upper end of insulating cylinder by conducting wire and commutated to draw from the upper end of insulating cylinder again three times, is formed by four layer line cakes；The four layer lines cake is followed successively by the first layer line cake, the second layer line cake, third layer line cake and the 4th layer line cake from inside to outside；Between the first layer line cake and the insulating cylinder, the support of line cake is equipped on the outside of the 4th layer line cake, between the second layer line cake and the first layer line cake, between the third layer line cake and the second layer line cake and the 4th layer line cake and the third layer line cake, it is equipped with oil duct support；The both ends of the four layer lines cake are respectively provided with an end circle；The four layer lines cake turn-to-turn is lined with paper circle；Layer to layer transition correcting wedge is equipped at the commutation of the conducting wire.The utility model has many advantages, such as that structure is reliable rationally, cabling is simple, coiling is convenient, applied widely, at low cost, resistance to shorting performance is good.
Description
Technical field
The utility model relates to technical field of transformer manufacturing, and in particular to four layer screw type loop constructions.
Background technique
With the continuous development of modern industry, electricity consumption persistently increases, and the requirement to power supply system is also higher and higher, electricity
A series of problems, such as demand increases so that generating radius of electricity supply increase, and transformer capacity demand increases.And transformer capacity
Increase, increases transformer current demand, that is to say, that the structural shape of transformer winding there will be basic change.
Currently, each transformer manufacturers be 10.5kV for voltage class and low-voltage coil below frequently with to be spiral or
Continuous structural shape.Helical winding structure is simple, replaces less, but be only applicable to products with larger capacity (core-diameter is big,
The number of turns is few) or the relatively high product of reactance height, it is unfavorable for reducing product main material cost；When helical winding is not suitable for, lead to
Be frequently with continuous winding, but the problem of continuous winding: the quantity that replaces in winding process is more, and is both needed between every section of section
Cushion block is placed, coiling is time-consuming, and when using winding transposition wire, inside and outside transposition also needs to manufacture or cushioning transposition correcting wedge,
Quantity is more, time-consuming, and higher cost.Above-mentioned either helical winding or continuous winding, low voltage lead structure all compared with
For structure is complicated, coil is all the method lead drawn using top introducing, lower part, influences the interior empty size of lower oil tank,
It is unfavorable for controlling the artificial and material cost of product.
Utility model content
To overcome the above-mentioned deficiency in the presence of the prior art, the utility model provides a kind of four layer screw type coil knots
The advantages that structure, this is reasonable in design, convenient, time saving with coiling, applied widely, good economy performance, structure is reliable.
The technical solution of the utility model includes: four layer screw type loop constructions, including insulating cylinder, the periphery of insulating cylinder be equipped with by
Conducting wire introduces along axial screw coiling from the upper end of insulating cylinder and is commutated to draw from the upper end of insulating cylinder again three times and is formed by
Four layer line cakes；The four layer lines cake is followed successively by the first layer line cake, the second layer line cake, third layer line cake and the 4th layer line from inside to outside
Cake；Between the first layer line cake and the insulating cylinder, the support of line cake, respectively First Line cake branch are equipped on the outside of the 4th layer line cake
Support and the support of the second line cake, the First Line cake support and the support of the second line cake are one group of support being uniformly distributed circumferentially
Item, between the second layer line cake and the first layer line cake, the third layer line cake and the second layer line cake and described
Between 4th layer line cake and the third layer line cake, it is equipped with oil duct support, respectively is the support of the first oil duct, the second oil duct
Support, the support of third oil duct, the support of above-mentioned oil duct are one group of support bar being uniformly distributed circumferentially；The first layer line cake,
The both ends of second layer line cake, third layer line cake and the 4th layer line cake are respectively provided with an end circle；The first layer line cake, the second layer
The turn-to-turn of line cake, third layer line cake and the 4th layer line cake is lined with paper circle；Layer to layer transition wedge piece is equipped at the commutation of the conducting wire
Block.
Compared with prior art, the four layer screw type loop constructions of the utility model have following progress:
(1) structurally reasonable, coiling is convenient: single or more axial direction is simultaneously had mercy on, and any transposition is not needed in coil-winding process,
Coil changes layer and can be realized by one correcting wedge of cushioning, every coil totally 6, simple and convenient；
(2) applied widely: to have no special requirements to coil reactance height, winding wire is due to without transposition, wire gauge
Value can relax；
(3) coiling is time saving: each layer turn-to-turn of line cake without oil duct, only it is each layer by layer between place axial oil duct support, laying method is
With every layer of first circle coiling, totally 3 layers, cushion block standing time between disk-type winding section is saved；
(4) manufacturing cost is low: the correcting wedge quantity that coil itself uses greatly reduces, and reduces accessory processing cost；
Coil winding is simple, reduces cost of labor；Low-voltage coil, which is lifted one's head, is unified in coil top, and low-voltage lead cabling is simple, lead
And conductor grip usage amount is reduced, while reducing cost of labor and material cost；Low-voltage coil, which is lifted one's head, is unified in coil top, under
Oil tank can be designed as trench structure, can reduce the usage amount of transformer oil；
(5) structure is reliable: insulation margin is high, and shelf depreciation is only 50pC；The product of the structure is tried by sudden short circuit
Verifying, product resistance to shorting performance is good, and temperature rise data are ideal, is better than standard requirements.
As optimization, in four layer screw types loop construction above-mentioned, the insulating cylinder, the first layer line cake, the second layer line cake,
It is respectively equipped on the outside of third layer line cake and the 4th layer line cake and paper ring, the first oil duct is supported by the First Line cake that strip cardboard surrounds
Paper ring, the second oil duct support paper ring, third oil duct support paper ring and the second line cake is supported to support paper ring；The support bar is bonded in
The described First Line cake support paper ring, the first oil duct support paper ring, the second oil duct support paper ring, third oil duct support paper ring and the
Two wires cake supports on the outside of paper ring.The support bar is adhered to above-mentioned paper ring, guarantees support bar circumferential position accuracy, prevents online cake
Support bar displacement causes kinking uneven in winding process.
As optimization, in four layer screw types loop construction above-mentioned, the support bar is the molded part through pre- densification process,
Its length is greater than the height of strip cardboard；The support bar upper end has step surface, and the step surface height is equal to strip
The height of cardboard, step surface depth are equal to calliper.Preferably, the cardboard height is 200mm, with a thickness of 1mm；The branch
Stay width is 4mm, with a thickness of 5mm；Support bar length is adapted with insulating cylinder height, is consistent support thickness totally,
Can making conducting wire, coiling circle number is most in the axial direction, prevents conducting wire knocking over, and do not waste memory space.
As optimization, in four layer screw types loop construction above-mentioned, the first layer line cake, the second layer line cake, third layer
The turn-to-turn of four circle of first and last of line cake and the 4th layer line cake is lined with two layers of packing paper circle, remaining each turn-to-turn is lined with one layer of paper circle, the paper
Circle is ring structure, is sheathed between each circle.Four turn-to-turn of first and last respectively pads two layers of paper circle, binds for head, remaining each circle pad one
A paper circle is used for turn-to-turn insulation.
As optimization, in four layer screw types loop construction above-mentioned, the conducting wire is one or more paint in simultaneously row pattern
Copper-clad line.
As optimization, in four layer screw types loop construction above-mentioned, the support bar number of the oil duct support is line cake branch
Twice of the support bar number of support.Preferably, in the line cake support, the circumferential angle between adjacent two support bar is 18 °；It is described
In oil duct support, circumferential angle is 9 ° between adjacent two support bar.At this point, oil can be come into full contact with coil, heat dissipation effect
Preferably.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the four layer screw type loop constructions of the utility model；
Fig. 2 is the structural schematic diagram of the four layer screw type loop construction overlooking states of the utility model；
Fig. 3 is that the four layer screw type loop construction tops of the utility model lead in/out the structural representation of end and layer to layer transition
Figure；
Fig. 4 is the four layer screw type loop construction lower part interlayer transitional structure schematic diagrames of the utility model；
Fig. 5 is the coiling schematic diagram of the four layer screw type loop construction line cakes of the utility model；
Fig. 6 is the support bar of the four layer screw type loop constructions of the utility model and the installation diagram of cardboard.
Appended drawing reference:
1- insulating cylinder；2- support bar；The end 3- circle；4- oil duct；5- leading-in end；6- exit, 7- layer to layer transition correcting wedge；
8- cardboard, the support of 81- First Line cake, 811- First Line cake support paper ring, the support of the first oil duct of 82-, the support of the first oil duct of 821-
Paper ring, the support of the second oil duct of 83-, the second oil duct of 831- support paper ring, and the support of 84- third oil duct, 841- third oil duct support paper
Ring, the support of 85- the second line cake, 851- the second line cake support paper ring；9- paper circle；10- conducting wire, 101- the first layer line cake, 102-
Two layer line cakes, 103- third layer line cake, the 4th layer line cake of 104-.
Specific embodiment
(embodiment) is further described the utility model with reference to the accompanying drawings and detailed description, this place is retouched
The specific embodiment stated is only used to explain the utility model, but is not intended as the foundation limited the utility model.
Referring to Fig. 1-6, the four layer screw type loop constructions of the utility model, including insulating cylinder 1, the periphery of insulating cylinder 1 are set
Have and is introduced from the upper end of insulating cylinder 1 along axial screw coiling by conducting wire 10 and draw institute from the upper end of insulating cylinder 1 again through 3 commutations
The 4 layer line cakes formed (referring to Fig. 1-3, leading-in end 5 is 10 leading-in end of conducting wire, and exit 6 is 10 exit of conducting wire)；Described 4 layers
Line cake is followed successively by the first layer line cake 101, the second layer line cake 102, third layer line cake 103 and the 4th layer line cake 104 from inside to outside；Institute
It states between the first layer line cake 101 and the insulating cylinder 1, be equipped with the support of line cake, respectively First Line cake on the outside of the 4th layer line cake 104
Support 81 and the second line cake support 85, the First Line cake support 81 and the second line cake support 85 are one group and circumferentially uniformly divide
The support bar 2 of cloth, between the second layer line cake 102 and the first layer line cake 101, the third layer line cake 103 and described
Between second layer line cake 102 and the 4th layer line cake 104 and the third layer line cake 103, it is equipped with oil duct support, according to
It is one group of edge week that secondary respectively the first oil duct, which supports the 82, second oil duct support 83, third oil duct support 84, the support of above-mentioned oil duct,
To equally distributed support bar 2；The first layer line cake 101, the second layer line cake 102, third layer line cake 103 and the 4th layer line cake
104 both ends are respectively provided with an end circle 3 (for being compressed at the commutation of line cake)；The first layer line cake 101, the second layer line cake
102, the turn-to-turn of third layer line cake 103 and the 4th layer line cake 104 is lined with paper circle 9；Interlayer mistake is equipped at the commutation of the conducting wire 10
Cross correcting wedge 7.The support bar 2 plays the role of that conducting wire 10 is supported to wind, and support bar 2 and support bar 2, support bar 2 and leads
Gap between line 10 constitutes oil duct 4.
As optimization: the insulating cylinder 1, the first layer line cake 101, the second layer line cake 102, third layer line cake 103 and the 4th
First Line cake support paper ring 811, the first oil duct support paper ring surrounded by strip cardboard 8 is respectively equipped on the outside of layer line cake 104
821, the second oil duct support paper ring 831, third oil duct support paper ring 841 and the second line cake support paper ring 851；The support bar 2
It is bonded in the First Line cake support paper ring 811, the first oil duct support paper ring 821, the second oil duct support paper ring 831, third
Oil duct supports 851 outside of paper ring 841 and the second line cake support paper ring.The support bar 2 is adhered to above-mentioned paper ring, guarantees support bar
2 circumferential position accuracies prevent the displacement of support bar 2 in online cake winding process from causing kinking uneven.
As optimization: the support bar 2 is the molded part through pre- densification process, and length is greater than the height of strip cardboard 8
Degree；2 upper end of support bar has step surface, and the step surface height is equal to the height of strip cardboard 8, step surface depth etc.
In 8 thickness of cardboard.Preferably, 8 height of cardboard is 200mm, with a thickness of 1mm；2 width of support bar is 4mm, with a thickness of 5mm, length
It is adapted with insulating cylinder height, above-mentioned design is consistent bearing height totally, can make the coiling circle in the axial direction of conducting wire 10
Number at most, prevents 10 knocking over of conducting wire, and do not waste memory space.
As optimization: the first layer line cake 101, the second layer line cake 102, third layer line cake 103 and the 4th layer line cake 104
The turn-to-turn of four circle of first and last be lined with two layers of packing paper circle 9, remaining each turn-to-turn is lined with one layer of paper circle 9；The paper circle 9 is ring structure,
It being sheathed between each circle, is easily installed and increases paper ring layer number, four turn-to-turn of first and last respectively pads two layers of paper circle 9, it is bound for head,
A paper circle 9 is respectively padded between remaining each circle, is used for turn-to-turn insulation.
As optimization: the conducting wire 10 is one or more enamel covered wire in simultaneously row pattern, is convenient for coiling line cake and conducting wire
Between insulation (when conducting wire 10 is more enamel covered wires, in circle, being not necessarily to packing paper circle 9 between more enamel covered wires).
As optimization: 2 number of support bar of the oil duct support is twice of 2 number of support bar of line cake support.It is preferred that
, in the support of line cake, 2 number of support bar is 20, is uniformly distributed circumferentially, i.e., circumferential angle is 18 ° between support bar 2；Oil duct
In support, 2 number of support bar is 40, is uniformly distributed circumferentially, i.e., circumferential angle is 9 ° between support bar 2, convenient for oil and coil
It comes into full contact with, enhances heat dissipation effect.
For the utility model structure through more product beta tests, various aspects advantage is significant, specifically has:
(1) economy is good: SZ11-50000/110 (impedance 17%, low pressure 10.5kV coil) uses this structure, manually,
The various aspects overall cost such as correcting wedge, copper bar, transformer oil, separate unit can add up to reduce by 100,000 yuan or more；
(2) features simple structure, operating efficiency significantly improve.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
With made any modifications, equivalent replacements, and improvements within novel spirit and principle etc., this should be included in novel guarantor
Within the scope of shield.
Claims (8)
1. four layer screw type loop constructions, it is characterised in that:
Including insulating cylinder (1), the periphery of insulating cylinder (1) is equipped with to be introduced from the upper end of insulating cylinder (1) along axial screw by conducting wire (10)
It curls up to make and draw from the upper end of insulating cylinder (1) again through 3 commutations and is formed by 4 layer line cakes；
The 4 layer line cake is followed successively by the first layer line cake (101), the second layer line cake (102), third layer line cake (103) from inside to outside
With the 4th layer line cake (104)；
Between the first layer line cake (101) and the insulating cylinder (1) and the outside of the 4th layer line cake (104), is all provided with
Wired cake support, respectively First Line cake support (81) and the second line cake support (85)；The second layer line cake (102) and described
Between first layer line cake (101), the third layer line cake (103) and the second layer line cake (102) and the 4th layer line
Between cake (104) and the third layer line cake (103), it is equipped with oil duct support, respectively is the first oil duct support (82), the
Two oil ducts support (83), third oil duct support (84)；The line cake support and oil duct support are one group circumferentially uniform
The support bar (2) of distribution；
The first layer line cake (101), the second layer line cake (102), third layer line cake (103) and the 4th layer line cake (104) two
End is respectively provided with an end circle (3)；
The first layer line cake (101), the second layer line cake (102), third layer line cake (103) and the 4th layer line cake (104) circle
Between be lined with paper circle (9)；
Layer to layer transition correcting wedge (7) are equipped at the commutation of the conducting wire (10).
2. four layer screw types loop construction according to claim 1, it is characterised in that: the insulating cylinder (1), the first layer line
It is respectively equipped on the outside of cake (101), the second layer line cake (102), third layer line cake (103) and the 4th layer line cake (104) and uses strip
The First Line cake that cardboard (8) surrounds supports paper ring (811), the first oil duct support paper ring (821), the second oil duct to support paper ring
(831), third oil duct support paper ring (841) and the second line cake support paper ring (851)；The support bar (2) is bonded in described
First Line cake supports paper ring (811), the first oil duct support paper ring (821), the second oil duct to support paper ring (831), third oil duct branch
It supports on the outside of paper ring (841) and the second line cake support paper ring (851).
3. four layer screw types loop construction according to claim 2, it is characterised in that: the support bar (2) is through pre- close
Change the molded part of processing, length is greater than the height of strip cardboard (8)；Support bar (2) upper end has step surface, described
Step surface height is equal to the height of strip cardboard (8), and step surface depth is equal to cardboard (8) thickness.
4. four layer screw types loop construction according to claim 3, it is characterised in that: the cardboard (8) is highly
200mm, with a thickness of 1mm；Support bar (2) width is 4mm, with a thickness of 5mm.
5. according to claim 1 to four layer screw type loop construction described in 4 any claims, it is characterised in that: described
One layer line cake (101), the second layer line cake (102), third layer line cake (103) and the 4th layer line cake (104) four circle of first and last circle
Between be lined with two layers of packing paper circle (9), remaining each turn-to-turn is lined with one layer of paper circle (9), and the paper circle (9) is ring structure, is sheathed on each
Between circle.
6. four layer screw types loop construction according to claim 5, it is characterised in that: the conducting wire (10) is one or more
Root is in the enamel covered wire of simultaneously row pattern.
7. according to claim 1 to four layer screw type loop construction described in 4 any claims, it is characterised in that: the oil
The support bar number of road support is twice of the support bar number of line cake support.
8. four layer screw types loop construction according to claim 7, it is characterised in that: in the line cake support, adjacent two
Circumferential angle between support bar (2) is 18 °；In the oil duct support, circumferential angle is 9 ° between adjacent two support bar (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849271.8U CN208796788U (en) | 2018-06-04 | 2018-06-04 | Four layer screw type loop constructions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820849271.8U CN208796788U (en) | 2018-06-04 | 2018-06-04 | Four layer screw type loop constructions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208796788U true CN208796788U (en) | 2019-04-26 |
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ID=66200697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820849271.8U Active CN208796788U (en) | 2018-06-04 | 2018-06-04 | Four layer screw type loop constructions |
Country Status (1)
| Country | Link |
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| CN (1) | CN208796788U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185686A (en) * | 2020-09-22 | 2021-01-05 | 中车株洲电机有限公司 | Winding direction alternating continuous type coil winding device and method |
| CN115621015A (en) * | 2022-11-07 | 2023-01-17 | 成都双星变压器有限公司 | Oil-immersed transformer winding structure and winding production line thereof |
| CN115863025A (en) * | 2023-02-28 | 2023-03-28 | 广州西门子能源变压器有限公司 | Oil-immersed generator transformer |
-
2018
- 2018-06-04 CN CN201820849271.8U patent/CN208796788U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112185686A (en) * | 2020-09-22 | 2021-01-05 | 中车株洲电机有限公司 | Winding direction alternating continuous type coil winding device and method |
| CN112185686B (en) * | 2020-09-22 | 2022-06-21 | 中车株洲电机有限公司 | Winding direction alternating continuous type coil winding device and method |
| CN115621015A (en) * | 2022-11-07 | 2023-01-17 | 成都双星变压器有限公司 | Oil-immersed transformer winding structure and winding production line thereof |
| CN115863025A (en) * | 2023-02-28 | 2023-03-28 | 广州西门子能源变压器有限公司 | Oil-immersed generator transformer |
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