CN210296093U

CN210296093U - Single-phase auto-coupling voltage-regulating rectifier transformer

Info

Publication number: CN210296093U
Application number: CN201921563486.4U
Authority: CN
Inventors: 王宏官; 周奇
Original assignee: Jiangsu New Special Transformer Technology Corp Ltd
Current assignee: Jiangsu New Special Transformer Technology Corp Ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-04-10
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a single-phase self coupling voltage regulation rectifier transformer, the transformer is single-phase three-column type transformer, first cylinder, second cylinder, third cylinder and fourth cylinder including parallel arrangement, first cylinder is outside around being equipped with public loop N₁And a voltage regulating coil N_tThe primary coil N is wound outside the second cylinder and the third cylinder₂And a secondary coil N₃And a fourth cylinder without a coil, theThe second cylinder and the third cylinder are nested. The utility model discloses single-phase self coupling voltage regulation rectifier transformer passes through the design of integral structure, and area that has significantly reduced, the cylinder quality can reduce about 20%, is showing and is improving energy-conserving effect.

Description

Single-phase auto-coupling voltage-regulating rectifier transformer

Technical Field

The utility model relates to a transformer technical field especially relates to a single-phase self coupling voltage regulation rectifier transformer.

Background

Referring to fig. 1, the auto-transformer rectifier includes two parts, the left half is the auto-transformer and the right half is the rectifier transformer, and auto-transformer rectification can be realized by the two transformers, wherein N is₁Is a common coil, N_tFor regulating the voltage coil, N₂Is a primary coil, N₃Is 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-column transformer and a second single-phase double-column transformer which are separated from each other, and a common coil N₁Voltage regulating coil N_tRespectively wound on two columns of the first single-phase double-column transformer, and a primary coil N₂Secondary coil N₃And the two single-phase double-column transformers are respectively wound on two columns of the second single-phase double-column transformer. However, in the prior art, the floor space of the split structure is large, the weight of the whole equipment is high, and the production and manufacturing cost is increased.

Therefore, in view of the above technical problems, it is necessary to provide a single-phase autotransformer rectifier transformer.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a single-phase autotransformer with voltage regulation to optimize the transformer structure.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

the utility model provides a single-phase auto-coupling 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 is outside around being equipped with public coil N₁And a voltage regulating coil N_tThe primary coil N is wound outside the second cylinder and the third cylinder₂And a secondary coil N₃And the fourth cylinder is not provided with a coil outside, and the second cylinder and the third cylinder are nested.

As a further improvement of the present invention, the voltage regulating coil N_tIs more than the common coil N₁Is wound around a radius of primary winding N₂Is wound with a radius larger than that of the secondary coilN₃Is provided with a winding radius.

As a further improvement of the utility model, the second column body is embedded in the third column body.

As a further improvement of the utility model, the one end of second cylinder is tangent with the one end of third cylinder, and the other end of second cylinder is located inside the cross-section of third cylinder.

As a further improvement, the height and the sectional area of the first cylinder and the second cylinder are equal, the height of the third cylinder is less than the height of the second cylinder, and the sectional area of the third cylinder is greater than the sectional area of the second cylinder.

As a further improvement of the present invention, the first cylinder and the second cylinder are electrically connected, and the third cylinder and the fourth cylinder are electrically connected.

As a further improvement of the utility model, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder are iron core columns.

The utility model has the advantages that:

the utility model discloses single-phase self coupling voltage regulation rectifier transformer passes through the design of integral structure, and area that has significantly reduced, the cylinder quality can reduce about 20%, is showing and is improving energy-conserving effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic circuit diagram of a prior art autotransformer rectifier transformer;

FIG. 2 is a schematic cross-sectional view of a split type autotransformer rectifier transformer in the prior art;

FIG. 3 is a schematic cross-sectional view of a split type autotransformer rectifier transformer according to the prior art;

fig. 4 is a schematic cross-sectional structural view of an integrated variac rectifier transformer according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional structure diagram of an integrated autotransformer rectifier transformer according to an embodiment of the present invention.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments 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 obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

In the various figures of the present invention, certain dimensions of structures or portions are exaggerated relative to other structures or portions for ease of illustration, and thus, are used only to illustrate the basic structure of the subject matter of the present invention.

Referring to fig. 4 and 5, in an embodiment of the present invention, the single-phase autotransformer is a single-phase three-column transformer, including the first column 10, the second column 20, the third column 30 and the fourth column 40 which are arranged in parallel, the first column 10 is externally wound with the common coil N₁And a voltage regulating coil N_tThe second and

third columns

20 and 30 are externally wound with a primary coil N₂And a secondary coil N₃And no coil is arranged outside the fourth cylinder 40, and the second cylinder 20 and the third cylinder 30 are nested.

Specifically, the voltage regulating coil N_tIs more than the common coil N₁Is wound around a radius of primary winding N₂Is larger than the secondary coil N₃Is provided with a winding radius.

In the present embodiment, the second column 20 is embedded in the third column 30, and as shown in fig. 5, one end (left end) of the second column 20 is tangent to one end (left end) of the third column 30, and the other end (right end) of the second column 20 is located inside the cross section of the third column 30.

In this embodiment, the heights and the 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 height of the third column 30 is less than that of the second column 20, the sectional area of the third column 30 is greater than that of the second column 20, and the third column 30 is electrically connected with the fourth column 40.

The transformer structure in this embodiment is a single-phase three-limb transformer, and the first limb, the second limb, the third limb, and the fourth limb are core limbs. One core limb (first cylinder) is the autotransformer, the middle core limb (second cylinder and third cylinder) is the rectifier transformer, and the other core limb (fourth cylinder) is not sheathed with a coil and is used for closing the difference magnetic flux of the two core limbs in front.

According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has:

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a single-phase auto-coupling voltage regulation rectifier transformer, its characterized in that, the transformer is single-phase three-column transformer, including parallel arrangement's first cylinder, second cylinder, third cylinder and fourth cylinder, first cylinder is outside around being equipped with public coil N₁And a voltage regulating coil N_tThe primary coil N is wound outside the second cylinder and the third cylinder₂And a secondary coil N₃And the fourth cylinder is not provided with a coil outside, and the second cylinder and the third cylinder are nested.

2. The single-phase autotransformer-regulating rectifier transformer of claim 1, wherein said regulating coil N_tIs more than the common coil N₁Is wound around a radius of primary winding N₂Is larger than the secondary coil N₃Is provided with a winding radius.

3. The single-phase self-coupled voltage regulating rectifier transformer of claim 1, wherein the second post is embedded within the third post.

4. The single-phase self-coupled voltage regulating rectifier transformer of claim 3, wherein one end of the second column is tangent to one end of the third column, and the other end of the second column is located inside the cross section of the third column.

5. The single-phase self-coupling voltage-regulating rectifier transformer of claim 1, wherein the first column and the second column are equal in height and cross-sectional area, the third column is smaller than the second column in height, and the third column is larger than the second column in cross-sectional area.

6. The single-phase self-coupled voltage regulating rectifier transformer of claim 1, wherein the first and second legs are electrically connected, and the third and fourth legs are electrically connected.

7. The single-phase self-coupling voltage regulating rectifier transformer of claim 1, wherein the first, second, third and fourth columns are core legs.