CN204558203U - A kind of oil immersed type stereo-triangular wound core high overload transformer - Google Patents
A kind of oil immersed type stereo-triangular wound core high overload transformer Download PDFInfo
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- CN204558203U CN204558203U CN201520135153.7U CN201520135153U CN204558203U CN 204558203 U CN204558203 U CN 204558203U CN 201520135153 U CN201520135153 U CN 201520135153U CN 204558203 U CN204558203 U CN 204558203U
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Abstract
The utility model discloses a kind of oil immersed type stereo-triangular wound core high overload transformer, comprise the three-dimensional winding iron core be put together by three identical rectangle single frames, fuel tank, coil windings, folder, dielectric is filled with in described fuel tank, described coil windings comprises low-voltage coil and high-tension coil, described low-voltage coil and high-tension coil are wound in the iron core column of three-dimensional winding iron core respectively successively, the arrangement triangular in shape of described folder is located at the upper and lower of coil windings, described low-voltage coil, the interlayer of high-tension coil is provided with heat radiation oil duct, the upper and lower side of described low-voltage coil and high-tension coil and coil interlayer are provided with water chestnut lattice glue paper insulating layer.The utility model efficiently solves transformer and normally runs in the light hours, and can safe and reliable operation when overload, can reduce again the manufacturing cost of transformer simultaneously, improve its utilization ratio.
Description
Technical field
The utility model relates to transformer technology field, particularly relates to a kind of oil immersed type stereo-triangular wound core high overload transformer.
Background technology
Current conventional transformer can normally run under rated load, and the temperature rise at each position can meet national standard, the life-span of transformer under rated load is greatly about more than 20 years, but along with the increase of power load, the pasta and the coil temperature rise that exceed transformer during the rated load of transformer all can increase accordingly, according to 6 degree of principles of insulating material, transformer temperature rise often raises 6 DEG C, its life-span reduces half, therefore transformer substation system is when dispatching electricity consumption, guarantee that transformer works below rated load as far as possible, ensure the aging life-span of transformer with this.But the load of electrical network is widely different in different regions, big city, industrial area power consumption is large, load is high, usually all transformer can be configured according to peak load, vast rural area or electricity consumption from far-off regions are in low load levels for a long time, usually small capacity transformer is selected, but will sharply increase at festivals or holidays (particularly the Spring Festival) power consumption, conventional transformer just likely burns because of overload.Therefore be in low load for a long time based on Transformers for Rural Networks or underload transformer, there is interim long-time serious overladen present situation in occasional, has stronger overload capacity in the urgent need to transformer.
Utility model content
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of oil immersed type stereo-triangular wound core high overload transformer, efficiently solves transformer and normally runs in the light hours, and can safe and reliable operation when overload.
The utility model is the technical scheme solving the employing of its technical problem:
A kind of oil immersed type stereo-triangular wound core high overload transformer, comprises the three-dimensional winding iron core be put together by three identical rectangle single frames, fuel tank, coil windings, folder, low-tension bushing, bushing, shunting switch, oil level indicator, is filled with dielectric in described fuel tank, and described three-dimensional winding iron core device, in fuel tank, described fuel tank is provided with case lid, described low-tension bushing, bushing, shunting switch, oil level indicator is arranged on case lid, described coil windings comprises low-voltage coil and high-tension coil, described low-voltage coil and high-tension coil are wound in the iron core column of three-dimensional winding iron core respectively successively, described low-tension bushing is connected with high-tension coil with low-voltage coil respectively with bushing, the arrangement triangular in shape of described folder is located at the upper and lower of coil windings, and linked into an integrated entity by screw rod, described low-voltage coil, the interlayer of high-tension coil is provided with heat radiation oil duct, and the upper and lower side of described low-voltage coil and high-tension coil and coil interlayer are provided with water chestnut lattice glue paper insulating layer.
Further, described dielectric adopts flash-point to be not less than the transformer oil of 160 degree or high burning-point insulating oil.
Further, the wire of described low-voltage coil and high-tension coil adopts the enamel covered wire of 180 grades.
Further, described fuel tank comprises at the bottom of tank wall, case edge, case and fin, and described fuel tank is connected along with case lid one by case, and be provided with sealing offset plate between described case edge and case lid, described sealing offset plate adopts fluorubber.
Further, the surfaces externally and internally of described fuel tank and case lid, folder surface are all coated with high temperature resistant paint.
Further, described low-tension bushing, bushing, be equipped with sealing ring between shunting switch and case lid, described sealing ring adopts fluorubber.
Further, described rectangle single frame is completed by some whole piece silicon steel sheets or amorphous conjunction alloy strip steel rolled stock continuous coiling.
Further, the cross section of described fuel tank and oil cap is the hexagon be connected to form by three long limits and three minor face intervals.
The beneficial effects of the utility model are: a kind of oil immersed type stereo-triangular wound core high overload transformer that the utility model adopts, efficiently solve transformer normally to run in the light hours, and can safe and reliable operation when overload, the manufacturing cost of transformer can be reduced again simultaneously, improve its utilization ratio.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is stereochemical structure partial sectional view of the present utility model;
Fig. 2 is the syndeton schematic diagram of three-dimensional winding iron core of the present utility model, coil windings, folder;
Fig. 3 is the structural representation of three-dimensional winding iron core of the present utility model;
Fig. 4 is vertical view of the present utility model;
Fig. 5 is the schematic cross-section of three-dimensional winding iron core of the present utility model, low-voltage coil, high-tension coil;
Fig. 6 is the syndeton schematic diagram of fuel tank of the present utility model and case lid.
Embodiment
Referring to figs. 1 through Fig. 6, a kind of oil immersed type stereo-triangular wound core high overload transformer of the present utility model, comprise the three-dimensional winding iron core 1, fuel tank 5, coil windings 2, folder 3, low-tension bushing 8, bushing 7, shunting switch 9, the oil level indicator 10 that are put together by three identical rectangle single frames, described rectangle single frame closes alloy strip steel rolled stock continuous coiling by some whole piece silicon steel sheets or amorphous and completes.Be filled with dielectric in described fuel tank 5, described three-dimensional winding iron core 1 device, in fuel tank 5, described fuel tank 5 is provided with case lid 6, and described low-tension bushing 8, bushing 7, shunting switch 9, oil level indicator 10 are arranged on case lid 6.
Described coil windings 2 comprises low-voltage coil 11 and high-tension coil 12, and described low-voltage coil 11 and high-tension coil 12 are wound in the iron core column of three-dimensional winding iron core 1 respectively successively, and the wire of described low-voltage coil 11 and high-tension coil 12 adopts the enamel covered wire of 180 grades.Described low-tension bushing 8 is connected with high-tension coil 12 with low-voltage coil 11 respectively with bushing 7, and the arrangement triangular in shape of described folder 3 is located at the upper and lower of coil windings, and is linked into an integrated entity by screw rod 16.
The interlayer of described low-voltage coil 11, high-tension coil 12 is provided with heat radiation oil duct 15, effectively can improve thermal endurance class and the heat-sinking capability of coil.The upper and lower side of described low-voltage coil 11 and high-tension coil 12 and coil interlayer are provided with water chestnut lattice glue paper insulating layer 13, make the utility model have very strong overload capacity.
Described dielectric adopts flash-point to be not less than the transformer oil of 160 degree, or adopts high burning-point insulating oil, and flash-point can reach 272 degree, and then fail safe of the present utility model is greatly improved.
Described fuel tank 5 comprises tank wall 18, case along 19, at the bottom of case 20 and fin 21, and described fuel tank 5 is connected with case lid 6 one along 19 by case, and the cross section of described fuel tank 5 and case lid 6 is the hexagons be connected to form by three long limits and three minor face intervals.Described case seals offset plate 22 along being provided with between 19 and case lid 6, the fluorubber that described sealing offset plate 22 adopts thermal endurance class higher, and surfaces externally and internally, the folder surface of described fuel tank 5 and case lid 6 are all coated with high temperature resistant paint, therefore, ensure that the heat-resisting ability of fuel tank 5 and the ageing resistance of sealing offset plate 22.
In addition, described low-tension bushing 8, bushing 7, be equipped with sealing ring between shunting switch 9 and case lid 10, described sealing ring adopts the fluorubber that thermal endurance class is higher equally.
The above, just preferred embodiment of the present utility model, the utility model is not limited to above-mentioned execution mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection range of the present utility model.
Claims (8)
1. an oil immersed type stereo-triangular wound core high overload transformer, comprise the three-dimensional winding iron core (1) be put together by three identical rectangle single frames, fuel tank (5), coil windings (2), folder (3), low-tension bushing (8), bushing (7), shunting switch (9), oil level indicator (10), described fuel tank is filled with dielectric in (5), described three-dimensional winding iron core (1) device is in fuel tank (5), described fuel tank (5) is provided with case lid (6), described low-tension bushing (8), bushing (7), shunting switch (9), oil level indicator (10) is arranged on case lid (6), described coil windings (2) comprises low-voltage coil (11) and high-tension coil (12), described low-voltage coil (11) and high-tension coil (12) are wound in the iron core column of three-dimensional winding iron core (1) respectively successively, described low-tension bushing (8) is connected with high-tension coil (12) with low-voltage coil (11) respectively with bushing (7), described folder (3) arrangement triangular in shape is located at the upper and lower of coil windings (2), and linked into an integrated entity by screw rod (16), it is characterized in that: described low-voltage coil (11), the interlayer of high-tension coil (12) is provided with heat radiation oil duct (15), the upper and lower side of described low-voltage coil (11) and high-tension coil (12) and coil interlayer are provided with water chestnut lattice glue paper insulating layer (13).
2. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, is characterized in that: described dielectric adopts flash-point to be not less than the transformer oil of 160 degree or high burning-point insulating oil.
3. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, is characterized in that: the wire of described low-voltage coil (11) and high-tension coil (12) adopts the enamel covered wire of 180 grades.
4. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, it is characterized in that: described fuel tank (5) comprises (20) and fin (21) at the bottom of tank wall (18), case edge (19), case, described fuel tank (5) is connected with case lid (6) one along (19) by case, described case seals offset plate (22) along being provided with between (19) and case lid (6), and described sealing offset plate (22) adopts fluorubber.
5. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, is characterized in that: surfaces externally and internally, folder (3) surface of described fuel tank (5) and case lid (6) are all coated with high temperature resistant paint.
6. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, it is characterized in that: described low-tension bushing (8), bushing (7), be equipped with sealing ring between shunting switch (9) and case lid (6), described sealing ring adopts fluorubber.
7. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, is characterized in that: described rectangle single frame closes alloy strip steel rolled stock continuous coiling by some whole piece silicon steel sheets or amorphous and completes.
8. a kind of oil immersed type stereo-triangular wound core high overload transformer according to claim 1, is characterized in that: the cross section of described fuel tank (5) and oil cap (6) is the hexagon be connected to form by three long limits and three minor face intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135153.7U CN204558203U (en) | 2015-03-10 | 2015-03-10 | A kind of oil immersed type stereo-triangular wound core high overload transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520135153.7U CN204558203U (en) | 2015-03-10 | 2015-03-10 | A kind of oil immersed type stereo-triangular wound core high overload transformer |
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| CN204558203U true CN204558203U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520135153.7U Active CN204558203U (en) | 2015-03-10 | 2015-03-10 | A kind of oil immersed type stereo-triangular wound core high overload transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172364A (en) * | 2017-12-21 | 2018-06-15 | 重庆九能控股有限公司 | Low-loss transformer can drop in one kind |
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2015
- 2015-03-10 CN CN201520135153.7U patent/CN204558203U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108172364A (en) * | 2017-12-21 | 2018-06-15 | 重庆九能控股有限公司 | Low-loss transformer can drop in one kind |
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