CN203366928U - Resin insulation amorphous alloy dry-type traction rectifier transformer - Google Patents
Resin insulation amorphous alloy dry-type traction rectifier transformer Download PDFInfo
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- CN203366928U CN203366928U CN 201320484731 CN201320484731U CN203366928U CN 203366928 U CN203366928 U CN 203366928U CN 201320484731 CN201320484731 CN 201320484731 CN 201320484731 U CN201320484731 U CN 201320484731U CN 203366928 U CN203366928 U CN 203366928U
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Abstract
The utility model relates to a resin insulation amorphous alloy dry-type traction rectifier transformer, and relates to a transformer. The resin insulation dry-type traction rectifier transformer which is produced by adopting the silicon steel sheet as an iron core is generally adopted in a traction power supply system of a subway locomotive, the no-load loss is large, the energy consumption is high, and the magnetizing rush current is large. The resin insulation amorphous alloy dry-type traction rectifier transformer is characterized in that an iron core column is a rectangular iron core column, the iron core column is formed by laminating multiple amorphous alloy sheets, the amorphous alloy sheets of two phases of iron core columns are lapped with each other to form a magnetic path, a skeleton is embedded inside the iron core column, the skeleton comprises a vertical transverse plate and a longitudinal plate, the transverse plate is vertically intersected with the longitudinal plate, a coil is in a rectangular shape, an insulation supporting bar is arranged between the core column and the coil, the supporting bar is used for supporting the coil outside and pushing against the transverse plate and longitudinal plate inside. By adopting the technical scheme, the stress of the amorphous alloy sheets can be avoided, the stability of the no-load property of the transformer can be guaranteed, and compared with the traditional silicon-steel-sheet iron core transformer, the short-circuit resistance of the amorphous alloy dry-type traction transformer is higher.
Description
Technical field
The utility model relates to a kind of transformer.
Background technology
At present, development along with urban track traffic, requirement to supporting power equipment is more and more higher, at the part circuit of city underground, adopted at present the dry type power transformer of amorphous alloy, but, another important power supply unit dry-type traction rectifier transformer for subway adopts non-crystaline amorphous metal to carry out Design and manufacture, up to now, still belongs to blank at home and abroad.
In the tractive power supply system of existing underground engines, generally adopt and take the resin-insulated dry traction rectifier transformer that silicon steel sheet makes as iron core, comparatively speaking, its no-load loss is large, energy consumption is high, and magnetizing inrush current is large, cause while closing a floodgate the impact to electrical network; The silicon steel plate core working point close to saturation point, the strong as easy as rolling off a log additional generation of the high-order harmonic ability of the check valve side high order harmonic component of a part in addition, whole electrical network is polluted.
The utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is that the prior art scheme is improved and improved, insulation resin amorphous alloy dry-type traction rectifier transformer is provided, low to reach no-load loss, little to the impact of electrical network when transformer drops into electrical network, to suppress high-order harmonic ability strong, caloric value is low, heat-sinking capability is strong, and transformer is safe and reliable, meets the purpose of energy-conserving and environment-protective.For this reason, the utility model is taked following technical scheme.
Insulation resin amorphous alloy dry-type traction rectifier transformer, comprise support body, iron core column, coil, coil is coated at iron core column, it is characterized in that: described iron core column is the rectangular iron stem stem, iron core column is formed by stacking by multi-disc amorphous alloy sheet, mutually overlap and form magnetic circuit between the amorphous alloy sheet of phase and phase iron core column, be embedded with skeleton in described iron core column, described skeleton comprises vertical transverse plate and vertical plate, described transverse plate intersects vertically with vertical plate, described coil is rectangular, be provided with the support bar of insulation between stem stem and coil, support bar supports coil outward, interior transverse plate and the vertical plate of supporting.The thickness of amorphous alloy sheet is the 0.02mm left and right, the technical program is by the way of internal frame, the power that allows coil pass over by the insulating supporting bar in sudden short circuit, be added in by transverse plate and on the skeleton that vertically plate forms rather than be added on the amorphous alloy sheet, avoided the stressed of amorphous alloy sheet, guaranteed the stability of no-load transformer characteristic, also made the amorphous alloy dry-type traction transformer there is the Short Circuit withstand intensity higher than traditional silicon steel disc iron-core transformer.
As the further of technique scheme improved and supplement, the utility model also comprises following additional technical feature.
Described coil comprises valve lateral coil and net lateral coil, and valve lateral coil and net lateral coil are the coil of resin filled type, and the net lateral coil is coated at the valve lateral coil, and the insulating supporting bar is located at the madial wall of valve lateral coil.
Amorphous alloy sheet in iron core column is band, and within its minute, row is stacked, establishes transverse plate between row, and corresponding minute row's overlap joint of the amorphous alloy sheet between the phase and phase iron core column is to form magnetic circuit.
Band in iron core column divides three rows stacked, built-in arrange vertical with band of transverse plate in iron core column, and vertically plate and band be arranged in parallel, and left and right two walls of valve lateral coil inboard are respectively equipped with the two insulating supporting bars relative with transverse plate.The inside compression stress of the sensing valve lateral coil inner surface that the insulating supporting bar produces the even biased valve lateral coil of skeleton in short circuit, the anti-short circuit capability of raising transformer.
Described valve lateral coil and net lateral coil are the square coil with the corner circular arc, between valve lateral coil and net lateral coil, are provided with insulating cylinder.Net lateral coil and valve lateral coil adopt the rectangle resin-cast coil with fillet, have both guaranteed the mechanical strength of self, have also reduced noise; Be provided with insulating cylinder between net lateral coil and valve lateral coil, improve dielectric strength high, reduce load loss and material-saving.
Amorphous alloy sheet in iron core column is placed vertical plate at half place of folded thick direction.Improve the uniformity of skeleton load.
Lambda line terminal and the tap terminals of net lateral coil are located at transformer the same side.Not only easy to adjust, also make mould structure simply be convenient to manufacture and put, also effectively controlled the cost of mould.
Described transverse plate is higher than described vertical plate, the height of transverse plate equals the height of iron core column, transverse plate and vertical plate intersection fluting, make vertical plate be able to through, vertically the height of plate is less than the height of iron core column and is greater than half height of iron core column, described transverse plate, vertical plate are made by insulating material, and transverse plate and vertical plate intersection are coated with insulating cement and cement.Transverse plate fluting allows vertical plate pass, and transverse plate is not only as skeleton but also as the demarcation strip of three row's bands; Due to the amorphous alloy sheet, in end, need crooked with the amorphous alloy oblique cut grafting with the out-phase iron core column, for avoiding interfering, vertically plate height is lower than the barred window height of iron core column, and simultaneously in order to increase the stability of skeleton, transverse plate cements with insulating cement with vertical plate intersection.For guaranteeing the ability of Short Circuit withstand, vertically the height of plate can not be too small, avoids load excessive and cause damage.Transverse plate can be made by epoxy resin bonded fiber with the skeleton that vertically plate forms.
Beneficial effect: the technical program, skeleton is implanted to noncrystal inside unshakable in one's determination, be used for bearing transformer electromotive force; Net lateral coil and valve lateral coil adopt the rectangle resin-cast coil with fillet, have both guaranteed the mechanical strength of self, have also reduced noise; Be provided with insulating cylinder between net lateral coil and valve lateral coil, improve dielectric strength high, reduce load loss and material-saving; Lambda line terminal and the tap terminals of rectangle net lateral coil are drawn in the same side, easy to adjust, also make mould structure simply be convenient to manufacture, and have effectively controlled the cost of mould simultaneously.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is iron core column cross section structure schematic diagram of the present invention.
In figure: 1-iron core column, 2-coil, the lambda line terminal of 3-net lateral coil, the tap terminals of 4-net lateral coil, 5-support body, 6-net lateral coil, 7-insulating cylinder, 8-valve lateral coil, 9-insulating supporting bar, 10-amorphous alloy sheet, 11-skeleton, 111-transverse plate, the vertical plate of 112-.
Embodiment
Below in conjunction with Figure of description, the technical solution of the utility model is described in further detail.
As shown in Figure 1, 2, insulation resin amorphous alloy dry-type traction rectifier transformer, comprise support body 5, iron core column 1, coil 2, and coil 2 is coated at iron core column 1.
Coil 2 is rectangular, and coil 2 comprises valve lateral coil 8 and net lateral coil 6, and valve lateral coil 8 and net lateral coil 6 are the coil of resin filled type, and net lateral coil 6 is coated at valve lateral coil 8;
Iron core column 1 is rectangle, iron core column 1 is formed by stacking by multi-disc amorphous alloy sheet 10, amorphous alloy sheet 10 is band, the single-sheet thickness of band is the 0.02mm left and right, the width of band equals 142mm, 170mm or 213mm, mutually overlap and form magnetic circuit between the amorphous alloy sheet 10 of phase and phase iron core column 1, be embedded with the skeleton 11 that epoxy resin bonded fiber is made in iron core column 1, skeleton 11 stretches out the about 3mm of appearance of iron core column 1, skeleton 11 comprises vertical transverse plate 111 and vertical plate 112, and transverse plate 111 intersects vertically with vertical plate 112.
Be provided with insulating supporting bar 9 between iron core column 1 and valve lateral coil 8, vertical insulating supporting bar 9 outwards withstands valve lateral coil 8, inwardly props up transverse plate 111 and skeleton 11 that vertically plate 112 forms, the length of insulating supporting bar 9 approximates the height of valve lateral coil 8, the thickness of insulating supporting bar 9 depends on the distance between valve lateral coil 8 and iron core column 1, and the two will reach tight fit.
Just because of embed skeleton 11 in iron core column 1, Gu the short circuit compression stress that valve lateral coil 8 passes over by the insulating supporting bar in sudden short circuit, be applied directly on skeleton 11 rather than be applied on amorphous alloy sheet 10, thereby make the amorphous alloy dry-type traction rectifier transformer there is the Short Circuit withstand intensity higher than traditional silicon steel disc iron-core transformer, and the amorphous alloy sheet does not stress, no-load characteristic stable.
Net lateral coil 6 and valve lateral coil 8 adopt the rectangle resin-cast coil with fillet both to guarantee the mechanical strength of self, have also reduced noise; Be provided with insulating cylinder 7 between net lateral coil 6 and valve lateral coil 8, improve dielectric strength high, reduce load loss and material-saving.
For making evenly load of skeleton 11, vertically plate 112 is placed on folded thick half place of iron core column 1.
For easy to adjust, be convenient to manufacture, control the cost of mould, lambda line terminal 3 and the tap terminals 4 of net lateral coil 6 are located at transformer the same side.
For avoiding interfering, and proof strength, transverse plate 111 is higher than vertical plate 112, the lower end of transverse plate 111 props up support body 5, vertically the height of plate 112 be less than iron core column 1 the forms height, be approximately equal to the length of insulating supporting bar 9, vertically plate 112 is embedded in the height and position place that the corresponding outside valve lateral coil 8 overlapped of iron core is complementary.
For meeting different power requirements, the amorphous alloy sheet 10 in iron core column 1 divides row stacked according to strip width, between two rows, establishes transverse plate 111, and 10 corresponding minutes row's overlap joints of the amorphous alloy sheet between the iron core column 1 of phase and phase are to form magnetic circuit.In the present embodiment, 10 minutes three rows are stacked for the amorphous alloy sheet in iron core column 1, and its outline is rectangle, and the band of the amorphous alloy sheet 10 of iron core column 1 is vertical with transverse plate 111, parallel with vertical plate 112;
Left and right two walls of valve lateral coil 8 inboards in Fig. 2 have adopted 6 eradication edge support bars 9 to offset with transverse plate 111 and vertical plate 112 respectively, make skeleton 11 stressed evenly, valve lateral coil 8, at the even load of four direction all around, improves the anti-short circuit capability of transformer.
The specific embodiment of above utility model; the utility model substantive distinguishing features and progress have been embodied; can in the actual production of insulation resin amorphous alloy dry-type traction rectifier transformer, use; above specific embodiment does not limit the utility model; any under enlightenment of the present utility model; it is carried out to the equivalent modifications of the aspects such as shape, structure, all at the row of protection range of the present utility model.
Claims (8)
1. insulation resin amorphous alloy dry-type traction rectifier transformer, comprise support body (5), iron core column (1), coil (2), coil (2) is coated at iron core column (1), it is characterized in that: described iron core column (1) is rectangular iron stem stem (1), iron core column (1) is formed by stacking by multi-disc amorphous alloy sheet (10), between phase and phase amorphous alloy sheet (10), mutually overlaps and forms magnetic circuit; Be embedded with skeleton (11) in described iron core column (1), described skeleton (11) comprises vertical transverse plate (111) and vertical plate (112), and described transverse plate (111) intersects vertically with vertical plate (112); Described coil (2) is rectangular, between iron core column (1) and coil (2), is provided with the insulating supporting bar, the outer support of support bar (9) coil (2), interior transverse plate (111) and the vertical plate (112) of supporting.
2. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 1, it is characterized in that: described coil comprises valve lateral coil (8) and net lateral coil (6), described valve lateral coil (8) and net lateral coil (6) are the coil (2) of resin filled type, net lateral coil (6) is coated at valve lateral coil (8), and described support bar (9) is located at the madial wall of valve lateral coil.
3. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 1, it is characterized in that: the amorphous alloy sheet (10) in iron core column (1) is band, within its minute, row is stacked, establish transverse plate (111) between row, corresponding minute row's overlap joint of the amorphous alloy sheet (10) between phase and phase iron core column (1) is to form magnetic circuit.
4. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 3, it is characterized in that: the band in iron core column (1) divides three rows stacked, built-in arrange vertical with band of transverse plate (111) in iron core column (1), vertically plate (112) be arranged in parallel with band, and inboard left and right two walls of valve lateral coil (8) are respectively equipped with the two insulating supporting bars (9) relative with transverse plate (111).
5. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 2, it is characterized in that: described valve lateral coil (8) and net lateral coil (6) are the square coil (2) with the corner circular arc, between valve lateral coil (8) and net lateral coil (6), are provided with insulating cylinder (7).
6. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 1 is characterized in that: the amorphous alloy sheet (10) in iron core column (1) is placed vertical plate (112) at half place of folded thick direction.
7. insulation resin amorphous alloy dry-type traction rectifier transformer according to claim 5, it is characterized in that: lambda line terminal (3) and the tap terminals (4) of net lateral coil (6) are located at transformer the same side.
8. according to the described insulation resin amorphous alloy dry-type of the arbitrary claim of claim 1-7 traction rectifier transformer, it is characterized in that: described transverse plate (111) is higher than described vertical plate (112), the height of transverse plate (111) equals the height of iron core column (1), transverse plate (111) and vertical plate (112) intersection fluting, make vertical plate (112) be able to through, vertically the height of plate (112) is less than the height of iron core column (1) and is greater than half height of iron core column (1), described transverse plate (111), vertically plate (112) is made by insulating material, transverse plate (111) and vertical plate (112) intersection are coated with insulating cement and cement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320484731 CN203366928U (en) | 2013-08-09 | 2013-08-09 | Resin insulation amorphous alloy dry-type traction rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320484731 CN203366928U (en) | 2013-08-09 | 2013-08-09 | Resin insulation amorphous alloy dry-type traction rectifier transformer |
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| Publication Number | Publication Date |
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| CN203366928U true CN203366928U (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320484731 Withdrawn - After Issue CN203366928U (en) | 2013-08-09 | 2013-08-09 | Resin insulation amorphous alloy dry-type traction rectifier transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413655A (en) * | 2013-08-09 | 2013-11-27 | 卧龙电气集团股份有限公司 | Resin insulating amorphous alloy dry-type traction rectifier transformer |
| CN110189898A (en) * | 2015-05-27 | 2019-08-30 | 株式会社日立产机系统 | Folded iron core conformation body and the transformer for having the folded iron core conformation body |
-
2013
- 2013-08-09 CN CN 201320484731 patent/CN203366928U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413655A (en) * | 2013-08-09 | 2013-11-27 | 卧龙电气集团股份有限公司 | Resin insulating amorphous alloy dry-type traction rectifier transformer |
| CN103413655B (en) * | 2013-08-09 | 2016-03-09 | 卧龙电气集团股份有限公司 | Insulation resin amorphous alloy dry-type traction rectifier transformer |
| CN110189898A (en) * | 2015-05-27 | 2019-08-30 | 株式会社日立产机系统 | Folded iron core conformation body and the transformer for having the folded iron core conformation body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |