CN203721444U - Low-noise amorphous alloy dry type traction rectifier transformer - Google Patents
Low-noise amorphous alloy dry type traction rectifier transformer Download PDFInfo
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- CN203721444U CN203721444U CN201320738920.4U CN201320738920U CN203721444U CN 203721444 U CN203721444 U CN 203721444U CN 201320738920 U CN201320738920 U CN 201320738920U CN 203721444 U CN203721444 U CN 203721444U
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- Prior art keywords
- arc section
- amorphous alloy
- coil
- arc
- circular arc
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- 229910000808 amorphous metal alloy Inorganic materials 0.000 title claims abstract description 28
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000009413 insulation Methods 0.000 claims description 16
- 230000005855 radiation Effects 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model provides a low-noise amorphous alloy dry type traction rectifier transformer and relates to the technical field of rectifier transformers. The utility model solves the problem that as the geometrical shape of a coil of the amorphous alloy dry type traction rectifier transformer is in the shape of an ordinary rectangle with a corner circular arc at present, the amorphous alloy dry type traction rectifier transformer has larger noise and worse short circuit resistance. The low-noise amorphous alloy dry type traction rectifier transformer comprises a base, an iron core and a coil, wherein the outer side of the iron core is sleeved with the coil; and the iron core is formed by superposing amorphous alloy sheets. The low-noise amorphous alloy dry type traction rectifier transformer is characterized in that the cross section of the coil comprises a first circular arc section, a second circular arc section, a third circular arc section, a fourth circular arc section, a fifth circular arc section, a sixth circular arc section, a seventh circular arc section and an eighth circular arc section, wherein the first circular arc section, the second circular arc section, the third circular arc section, the fourth circular arc section, the fifth circular arc section, the sixth circular arc section, the seventh circular arc section and the eighth circular arc section are connected in sequence to form a symmetrical rectangular-like structure. With the adoption of the technical scheme, the low-noise amorphous alloy dry type traction rectifier transformer has the advantages of low noise and strong short circuit resistance, and the running reliability of the transformer is improved.
Description
Technical field
The utility model belongs to rectifier transformer technical field, particularly relates to a kind of low noise amorphous alloy dry-type traction rectifier transformer.
Background technology
In existing amorphous alloy dry-type traction rectifier transformer, the geometry of its coil is mostly the shape of ordinary rectangular band corner circular arc, between coil and coil and coil and iron core surface exists vibration wave reflection, thereby its noise is larger, and the ability of Short Circuit withstand is poor.
Summary of the invention
In order to address the above problem, the utility model proposes a kind of low noise amorphous alloy dry-type traction rectifier transformer, noise is little, and anti-short circuit capability is strong, has improved the operational reliability of transformer, is convenient to non-billon traction rectifier transformer large-scale promotion.
For this reason, the utility model is taked following technical scheme:
A kind of low noise amorphous alloy dry-type traction rectifier transformer, comprises base, iron core, coil, and coil is enclosed within iron core outside, and described iron core is formed by stacking by amorphous alloy material thin slice; It is characterized in that: coil section comprises the first arc section, the second arc section, three-arc section, the 4th arc section, the 5th arc section, the 6th arc section, the 7th arc section, the 8th arc section, described the first arc section, the second arc section, three-arc section, the 4th arc section, the 5th arc section, the 6th arc section, the 7th arc section, the 8th arc section are in turn connected to form symmetrical class rectangular configuration.
As the further of technique scheme improved and supplemented, the utility model also comprises following additional technical feature.
Described class rectangular configuration is the arc-shaped edges that four side is evagination, between adjacent side, forms the class rectangular configuration with eight arc sections by transition arc marginal ray slip.
Limit, two opposite sides first arc section of rectangular configuration, the arc length of the 5th arc section are greater than the arc length of limit, other two opposite sides three-arc section, the 7th arc section, the radius of curvature of the first arc section, the 5th arc section is greater than the radius of curvature of three-arc section, the 7th arc section, and the radius of curvature of three-arc section, the 7th arc section is greater than the radius of curvature as second arc section on transition arc limit, the 4th arc section, the 6th arc section, the 8th arc section.The inner surface of coil is arc, and it and amorphous close the plane surface of iron core and arrange in pairs or groups, and can effectively reduce noise.
Described coil comprises valve lateral coil and the net lateral coil that is coated at valve lateral coil, and valve lateral coil is similar with net lateral coil cross section, is class rectangular configuration.
Described net lateral coil is wire-wound cast-type coil.Net lateral coil adopts resin filled type, and partial discharge is little, and coil intensity is good, and resistance to short-circuit capacity is strong.
Described valve lateral coil is that paper tinsel is around cast-type coil.Valve lateral coil be paper tinsel around cast-type, effectively suppress transformer horizontal leakage field, reduce supplementary load loss simultaneously for further strengthening the anti-sudden short circuit ability of valve lateral coil.
Insulation supporting cylinder of inner surface liner of described valve lateral coil, offers multiple uniform heat radiation mesh on described insulation supporting cylinder.Can effectively improve the anti-short circuit capability of valve lateral coil, in strengthening the mechanical strength of valve lateral coil, improve again the heat radiation of valve lateral coil.
Between insulation supporting cylinder and valve lateral coil, be provided with the epoxy resin layer for being connected.Epoxy resin layer is by aggregates to insulation supporting cylinder and valve lateral coil.
Described insulation supporting cylinder is class rectangular configuration.
Iron core of the present utility model uses amorphous alloy material, coil section intersects and forms with eight sections of circular arcs, overcome in the past traditional shortcoming that matrix loop structure noise is large, anti-short circuit capability is poor, reducing noise, the anti-short circuit capability of amorphous alloy traction rectifier transformer are strengthened, improve the operational reliability of transformer, be convenient to non-billon traction rectifier transformer large-scale promotion.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the coil section figure of Fig. 1.
Fig. 3 is that the p of Fig. 2 is to structural representation.
In figure: 1-iron core, 2-coil, 201-the first arc section, 202-the second arc section, 203-three-arc section, 204-the 4th arc section, 205-the 5th arc section, 206-the 6th arc section, 207-the 7th arc section, 208-the 8th arc section, 3-base, 4-insulation supporting cylinder, 5-valve lateral coil, 6-net lateral coil.
Embodiment
Below in conjunction with accompanying drawing, the utility model/invention is further illustrated.
With reference to Fig. 1, Fig. 2, Fig. 3, the utility model comprises base 3, iron core 1, coil 2, and coil 2 is enclosed within iron core 1 outside, and iron core 1 is formed by stacking by amorphous alloy material thin slice; Coil 2 cross sections comprise that the first arc section 201, the second arc section 202, three-arc section 203, the 4th arc section 204, the 5th arc section 205, the 6th arc section 206, the 7th arc section 207, the 8th arc section 208, the first arc sections 201, the second arc section 202, three-arc section 203, the 4th arc section 204, the 5th arc section 205, the 6th arc section 206, the 7th arc section 207, the 8th arc section 208 are in turn connected to form symmetrical class rectangular configuration.Class rectangular configuration is the arc-shaped edges that four side is evagination, between adjacent side, forms the class rectangular configuration with eight arc sections by transition arc marginal ray slip.Limit, two opposite sides first arc section 201 of class rectangular configuration, the arc length of the 5th arc section 205 are greater than the arc length of limit, other two opposite sides three-arc section 203, the 7th arc section 207, the radius of curvature of the first arc section 201, the 5th arc section 205 is greater than the radius of curvature of three-arc section 203, the 7th arc section 207, and the radius of curvature of three-arc section 203, the 7th arc section 207 is greater than the radius of curvature as second arc section 202 on transition arc limit, the 4th arc section 204, the 6th arc section 206, the 8th arc section 208.Coil 2 comprises valve lateral coil 5 and the net lateral coil 6 that is coated at valve lateral coil 5, and valve lateral coil 5 is similar with net lateral coil 6 cross sections, is class rectangular configuration.For take into account anti-short circuit capability in proof strength, net lateral coil 6 adopts wire-wound cast-type coil, and valve lateral coil 5 adopts paper tinsel around cast-type coil.
For strengthening the mechanical strength of valve lateral coil 5 when, improve again the heat radiation of valve lateral coil 5, insulation supporting cylinder 4 of inner surface liner of valve lateral coil 5, offers multiple uniform heat radiation mesh on insulation supporting cylinder 4.Between insulation supporting cylinder 4 and valve lateral coil 5, be provided with the epoxy resin layer for being connected.Insulation supporting cylinder 4 is class rectangular configuration, to increase and the mating surface area of valve lateral coil 5.
The circular arc inner surface of the valve lateral coil 5 of rectifier transformer of the present utility model, corresponding to the flat outer surface of the noncrystal iron core 1 of rectangle, is reflected in the effect of sound wave conduction and reflective sound wave, has the effect of obvious reduction noise; Net lateral coil 6 adopts resin filled type, partial discharge is little, coil intensity is good, resistance to short-circuit capacity is strong, valve lateral coil 5 be paper tinsel around cast-type, effectively suppress transformer horizontal leakage field, reduce supplementary load loss simultaneously for further strengthening the anti-sudden short circuit ability of valve lateral coil 5, at insulation supporting cylinder 4 of inner surface liner of valve lateral coil 5, insulation supporting cylinder 4 has heat radiation mesh, in strengthening the mechanical strength of valve lateral coil 5, has improved again the heat radiation of valve lateral coil 5.
This embodiment has the technical characterstic that the utility model has, and can in dry type amorphous alloy traction rectifier transformer, extensively adopt.
Claims (9)
1. a low noise amorphous alloy dry-type traction rectifier transformer, comprises base (3), iron core (1), coil (2), and coil (2) is enclosed within iron core (1) outside, and described iron core (1) is formed by stacking by amorphous alloy material thin slice, it is characterized in that: coil (2) cross section comprises the first arc section (201), the second arc section (202), three-arc section (203), the 4th arc section (204), the 5th arc section (205), the 6th arc section (206), the 7th arc section (207), the 8th arc section (208), described the first arc section (201), the second arc section (202), three-arc section (203), the 4th arc section (204), the 5th arc section (205), the 6th arc section (206), the 7th arc section (207), the 8th arc section (208) is in turn connected to form symmetrical class rectangular configuration.
2. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 1, it is characterized in that: described class rectangular configuration is the arc-shaped edges that four side is evagination, between adjacent side, form the class rectangular configuration with eight arc sections by transition arc marginal ray slip.
3. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 2, it is characterized in that: limit, two opposite sides first arc section (201) of class rectangular configuration, the arc length of the 5th arc section (205) is greater than other two opposite sides limit three-arc sections (203), the arc length of the 7th arc section (207), the first arc section (201), the radius of curvature of the 5th arc section (205) is greater than three-arc section (203), the radius of curvature of the 7th arc section (207), three-arc section (203), the radius of curvature of the 7th arc section (207) is greater than the second arc section (202) as transition arc limit, the 4th arc section (204), the 6th arc section (206), the radius of curvature of the 8th arc section (208).
4. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 3, it is characterized in that: described coil (2) comprises valve lateral coil (5) and is coated at the net lateral coil (6) of valve lateral coil (5), valve lateral coil (5) is similar with net lateral coil (6) cross section, is class rectangular configuration.
5. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 4, is characterized in that: described net lateral coil (6) is wire-wound cast-type coil.
6. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 5, is characterized in that: described valve lateral coil (5) is for paper tinsel is around cast-type coil.
7. according to a kind of low noise amorphous alloy dry-type traction rectifier transformer described in the arbitrary claim of claim 4-6, it is characterized in that: an insulation supporting cylinder of inner surface liner (4) of described valve lateral coil (5), on described insulation supporting cylinder (4), offer multiple uniform heat radiation mesh.
8. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 7, is characterized in that: between insulation supporting cylinder (4) and valve lateral coil (5), be provided with the epoxy resin layer for being connected.
9. a kind of low noise amorphous alloy dry-type traction rectifier transformer according to claim 8, is characterized in that: described insulation supporting cylinder (4) is class rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738920.4U CN203721444U (en) | 2013-11-20 | 2013-11-20 | Low-noise amorphous alloy dry type traction rectifier transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320738920.4U CN203721444U (en) | 2013-11-20 | 2013-11-20 | Low-noise amorphous alloy dry type traction rectifier transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203721444U true CN203721444U (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320738920.4U Expired - Lifetime CN203721444U (en) | 2013-11-20 | 2013-11-20 | Low-noise amorphous alloy dry type traction rectifier transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203721444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217845A (en) * | 2014-08-21 | 2014-12-17 | 浙江德通变压器有限公司 | Amorphous alloy transformer |
| CN106783086A (en) * | 2016-12-07 | 2017-05-31 | 江苏扬动电气有限公司 | A kind of built-in epoxy cylinder of amorphous transformer coil |
-
2013
- 2013-11-20 CN CN201320738920.4U patent/CN203721444U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217845A (en) * | 2014-08-21 | 2014-12-17 | 浙江德通变压器有限公司 | Amorphous alloy transformer |
| CN106783086A (en) * | 2016-12-07 | 2017-05-31 | 江苏扬动电气有限公司 | A kind of built-in epoxy cylinder of amorphous transformer coil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |