CN110610793B - Single-phase autotransformer with voltage regulation and rectification functions - Google Patents
Single-phase autotransformer with voltage regulation and rectification functions Download PDFInfo
- Publication number
- CN110610793B CN110610793B CN201910888705.4A CN201910888705A CN110610793B CN 110610793 B CN110610793 B CN 110610793B CN 201910888705 A CN201910888705 A CN 201910888705A CN 110610793 B CN110610793 B CN 110610793B
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a single-phase autotransformer, which is a single-phase three-column transformer and comprises a first column, a second column, a third column and a fourth column which are arranged in parallel, wherein a common coil N 1 and a voltage regulating coil N t are wound outside the first column, a primary coil N 2 and a secondary coil N 3 are wound outside the second column and the third column, no coil is arranged outside the fourth column, and the second column and the third column are nested. According to the single-phase autotransformer, through the design of the integrated structure, the occupied area is greatly reduced, the mass of the column body can be reduced by about 20%, and the energy-saving effect is remarkably improved.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to a single-phase autotransformer.
Background
Referring to fig. 1, the autotransformer includes two parts, a left half part is an autotransformer, a right half part is a rectifier transformer, and autotransformer rectification can be implemented through the two transformers, where N 1 is a common coil, N t is a voltage regulating coil, N 2 is a primary coil, and N 3 is a secondary coil.
Referring to fig. 2 and 3, the autotransformer in the prior art adopts a split structure, and includes a first single-phase double-pole transformer and a second single-phase double-pole transformer which are separated, a common coil N 1 and a voltage regulating coil N t are respectively wound on two poles of the first single-phase double-pole transformer, and a primary coil N 2 and a secondary coil N 3 are respectively wound on two poles of the second single-phase double-pole transformer. However, the split structure in the prior art occupies a larger area, and the whole equipment has high weight, so that the production and manufacturing cost is increased.
Therefore, in view of the above-mentioned technical problems, it is necessary to provide a single-phase autotransformer.
Disclosure of Invention
In view of the above, the present invention is directed to a single-phase autotransformer to optimize the transformer structure.
In order to achieve the above object, an embodiment of the present invention provides the following technical solution:
The utility model provides a single-phase autotransformer voltage regulation rectifier transformer, the transformer is single-phase three column type transformer, including parallel arrangement's first cylinder, second cylinder, third cylinder and fourth cylinder, first cylinder outside is around being equipped with public coil N 1 and voltage regulation coil N t, and second cylinder and third cylinder outside are around being equipped with primary coil N 2 and secondary coil N 3, and fourth cylinder outside does not have the coil, second cylinder and third cylinder nest mutually and set up.
As a further improvement of the present invention, the winding radius of the voltage-regulating coil N t is larger than the winding radius of the common coil N 1, and the winding radius of the primary coil N 2 is larger than the winding radius of the secondary coil N 3.
As a further improvement of the invention, the second column is embedded in the third column.
As a further improvement of the invention, one end of the second column is tangent to one end of the third column, and the other end of the second column is positioned inside the section of the third column.
As a further improvement of the invention, the heights and the sectional areas of the first column body and the second column body are equal, the height of the third column body is smaller than that of the second column body, and the sectional area of the third column body is larger than that of the second column body.
As a further improvement of the present invention, the first column is electrically connected to the second column, and the third column is electrically connected to the fourth column.
As a further improvement of the invention, the first column body, the second column body, the third column body and the fourth column body are iron core columns.
The beneficial effects of the invention are as follows:
according to the single-phase autotransformer, through the design of the integrated structure, the occupied area is greatly reduced, the mass of the column body can be reduced by about 20%, and the energy-saving effect is remarkably improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic circuit diagram of an autotransformer in the prior art;
FIG. 2 is a schematic cross-sectional view of a split autotransformer in the prior art;
FIG. 3 is a schematic cross-sectional view of a split autotransformer in the prior art;
FIG. 4 is a schematic cross-sectional view of an integrated autotransformer in accordance with an embodiment of the present invention;
fig. 5 is a schematic cross-sectional structure of an integrated autotransformer according to an embodiment of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
In the various illustrations of the invention, certain dimensions of structures or portions may be exaggerated relative to other structures or portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.
Referring to fig. 4 and 5, in an embodiment of the present invention, the single-phase autotransformer is a single-phase three-pole transformer, which includes a first pole 10, a second pole 20, a third pole 30, and a fourth pole 40 that are disposed in parallel, a common coil N 1 and a voltage-regulating coil N t are wound around the outside of the first pole 10, a primary coil N 2 and a secondary coil N 3 are wound around the outside of the second pole 20 and the third pole 30, no coil is disposed around the outside of the fourth pole 40, and the second pole 20 and the third pole 30 are nested.
Specifically, the winding radius of the voltage-regulating coil N t is larger than the winding radius of the common coil N 1, and the winding radius of the primary coil N 2 is larger than the winding radius of the secondary coil N 3.
The second post 20 in this embodiment is embedded in the third post 30, and referring to fig. 5, one end (left end) of the second post 20 is tangential to one end (left end) of the third post 30, and the other end (right end) of the second post 20 is located inside the cross section of the third post 30.
In this embodiment, the heights and cross-sectional areas of the first column 10 and the second column 20 are equal, and the first column 10 and the second column 20 are electrically connected; the third column 30 has a height smaller than the second column 20, the third column 30 has a cross-sectional area larger than the second column 20, and the third column 30 and the fourth column 40 are electrically connected.
The transformer structure in this embodiment is a single-phase three-column transformer, and the first column, the second column, the third column, and the fourth column are iron core columns. One core limb (first limb) is an autotransformer, the middle core limb (second and third limbs) is a rectifier transformer, and the other core limb (fourth limb) is not sleeved with a coil for closing the differential magnetic flux of the two preceding core limbs.
The technical scheme shows that the invention has the following beneficial effects:
according to the single-phase autotransformer, through the design of the integrated structure, the occupied area is greatly reduced, the mass of the column body can be reduced by about 20%, and the energy-saving effect is remarkably improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a single-phase autotransformer, its characterized in that, the transformer is single-phase three column type transformer, including parallel arrangement's first cylinder, second cylinder, third cylinder and fourth cylinder, first cylinder outside is around being equipped with public coil N 1 and voltage regulating coil N t, and second cylinder and third cylinder outside are around being equipped with primary coil N 2 and secondary coil N 3, and fourth cylinder outside does not have the coil, second cylinder and third cylinder nest the setting mutually, voltage regulating coil N t around establishing the radius and be greater than public coil N 1 around establishing the radius, primary coil N 2 around establishing the radius and be greater than secondary coil N 3 around establishing the radius, the second cylinder is inlayed and is located in the third cylinder.
2. The single-phase autotransformer of claim 1, wherein one end of the second cylinder is tangential to one end of the third cylinder, and the other end of the second cylinder is located inside the cross section of the third cylinder.
3. The single-phase autotransformer of claim 1, wherein the first and second cylinders have equal heights and cross-sectional areas, the third cylinder has a height less than the height of the second cylinder, and the third cylinder has a cross-sectional area greater than the cross-sectional area of the second cylinder.
4. The single-phase autotransformer of claim 1, wherein the first cylinder is electrically connected to the second cylinder, and the third cylinder is electrically connected to the fourth cylinder.
5. The single-phase autotransformer of claim 1, wherein the first, second, third, and fourth cylinders are core cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910888705.4A CN110610793B (en) | 2019-09-19 | 2019-09-19 | Single-phase autotransformer with voltage regulation and rectification functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910888705.4A CN110610793B (en) | 2019-09-19 | 2019-09-19 | Single-phase autotransformer with voltage regulation and rectification functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110610793A CN110610793A (en) | 2019-12-24 |
| CN110610793B true CN110610793B (en) | 2024-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910888705.4A Active CN110610793B (en) | 2019-09-19 | 2019-09-19 | Single-phase autotransformer with voltage regulation and rectification functions |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529363Y (en) * | 2001-12-31 | 2003-01-01 | 潘永歧 | Dry-type magnetic control regulating transformer |
| CN2662418Y (en) * | 2002-11-25 | 2004-12-08 | 谭亚文 | Transformer |
| CN1971778A (en) * | 2006-08-23 | 2007-05-30 | 特变电工沈阳变压器集团有限公司技术中心 | Single-phase self-coupling on-load voltage-regulating transformer |
| KR20100024806A (en) * | 2008-08-26 | 2010-03-08 | 가이오산업 주식회사 | Single phase input - 3 phase output transformer having electrostatic shield |
| CN205789424U (en) * | 2016-05-30 | 2016-12-07 | 特变电工沈阳变压器集团有限公司 | A kind of electrical transformer cores return yoke structure |
| CN109727753A (en) * | 2017-10-27 | 2019-05-07 | 特变电工沈阳变压器集团有限公司 | A kind of extra-high voltage auto-transformer of pressure regulation excitation |
| CN210296093U (en) * | 2019-09-19 | 2020-04-10 | 江苏新特变科技股份有限公司 | Single-phase auto-coupling voltage-regulating rectifier transformer |
-
2019
- 2019-09-19 CN CN201910888705.4A patent/CN110610793B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2529363Y (en) * | 2001-12-31 | 2003-01-01 | 潘永歧 | Dry-type magnetic control regulating transformer |
| CN2662418Y (en) * | 2002-11-25 | 2004-12-08 | 谭亚文 | Transformer |
| CN1971778A (en) * | 2006-08-23 | 2007-05-30 | 特变电工沈阳变压器集团有限公司技术中心 | Single-phase self-coupling on-load voltage-regulating transformer |
| KR20100024806A (en) * | 2008-08-26 | 2010-03-08 | 가이오산업 주식회사 | Single phase input - 3 phase output transformer having electrostatic shield |
| CN205789424U (en) * | 2016-05-30 | 2016-12-07 | 特变电工沈阳变压器集团有限公司 | A kind of electrical transformer cores return yoke structure |
| CN109727753A (en) * | 2017-10-27 | 2019-05-07 | 特变电工沈阳变压器集团有限公司 | A kind of extra-high voltage auto-transformer of pressure regulation excitation |
| CN210296093U (en) * | 2019-09-19 | 2020-04-10 | 江苏新特变科技股份有限公司 | Single-phase auto-coupling voltage-regulating rectifier transformer |
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| Publication number | Publication date |
|---|---|
| CN110610793A (en) | 2019-12-24 |
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