CN210956421U

CN210956421U - Scott magnetic regulating transformer for glass ball production process

Info

Publication number: CN210956421U
Application number: CN201921512094.5U
Authority: CN
Inventors: 周奇; 徐子扬
Original assignee: Jiangsu New Special Transformer Technology Corp ltd
Current assignee: Jiangsu New Special Transformer Technology Corp ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-07
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a ste magnetic modulation transformer for glass ball production technology, ste magnetic modulation transformer includes primary, secondary and magnetic core, ste magnetic modulation transformer still includes the reactance coil who establishes ties with the primary and set up, and the direct current control coil who sets up with the primary coupling. The utility model discloses the three-phase input of scott magnetic modulation transformer, two single-phase output have guaranteed the three-phase balance of electric wire netting, and the transformer has the stepless voltage regulation characteristic of magnetic voltage regulator concurrently again, but two sets of independent control to guarantee the output power demand, satisfy the different power demands of glass cellar for storing things stove, simplify the gear shift operation, improve the technology precision, be equipped with automatic control, more can realize constant current or homothermal control.

Description

Scott magnetic regulating transformer for glass ball production process

Technical Field

The utility model relates to a transformer technical field especially relates to a scott magnetic modulation transformer for glass ball production technology.

Background

In the past process of glass ball production and heating in the glass industry, 8 electrodes are inserted into a glass kiln, two single-phase transformers supply power, and a plurality of taps are arranged on the low-voltage side of each transformer so as to meet the requirements of different powers of the glass kiln.

The prior art has a plurality of defects: the shifting of the transformer is troublesome; the output power of the transformer cannot be well matched with the required power; because 2 single-phase transformers are used, three-phase power is unbalanced.

Therefore, in view of the above technical problems, there is a need for a scott magnetic tuning transformer for glass ball production process.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a scott magnetic tuning transformer for glass ball production process to realize stepless voltage regulation and adjust the output of any power within the adjustable range.

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

the Scott magnetic tuning transformer comprises a primary coil, a secondary coil and a magnetic core, and further comprises a reactance coil and a direct current control coil, wherein the reactance coil is connected with the primary coil in series, and the direct current control coil is coupled with the primary coil.

As a further improvement of the present invention, the primary coil includes the first primary coil, the second primary coil, the third primary coil and the fourth primary coil that are arranged in parallel, the first primary coil and the second primary coil are connected to the a phase terminal, the third primary coil is connected to the B phase terminal, and the fourth primary coil is connected to the C phase terminal.

As a further improvement of the present invention, the reactance coil includes a first reactance coil, a second reactance coil, a third reactance coil and a fourth reactance coil which are respectively connected in series with the first primary coil, the second primary coil, the third primary coil and the fourth primary coil.

As a further improvement of the present invention, the dc control coil includes a first dc control coil disposed by coupling with the first primary coil and the second primary coil, and a second dc control coil disposed by coupling with the third primary coil and the fourth primary coil.

As a further improvement of the present invention, the dc control coil and the primary coil are arranged in a cross-coupled manner.

As a further improvement of the present invention, the magnetic core includes a first magnetic core opposed to the first primary coil and the second primary coil, and a second magnetic core opposed to the third primary coil and the fourth primary coil.

As a further improvement of the present invention, the secondary coil includes a first secondary coil and a second secondary coil arranged in parallel, and a third secondary coil and a fourth secondary coil arranged in parallel, and the first secondary coil, the second secondary coil, the third secondary coil and the fourth secondary coil are respectively connected to the output terminal a, the output terminal x, the output terminal b and the output terminal y.

The utility model has the advantages that:

the utility model discloses the three-phase input of scott magnetic modulation transformer, two single-phase output have guaranteed the three-phase balance of electric wire netting, and the transformer has the stepless voltage regulation characteristic of magnetic voltage regulator concurrently again, but two sets of independent control to guarantee the output power demand, satisfy the different power demands of glass cellar for storing things stove, simplify the gear shift operation, improve the technology precision, be equipped with automatic control, more can realize constant current or homothermal control.

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 Scott transformer of the prior art;

fig. 2 is a schematic circuit diagram of a scott magnetic tuning 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. 1, a scott magnetic tuning transformer used in a glass ball production process in the prior art includes a primary coil, a secondary coil, and a magnetic core, and further includes a reactance coil connected in series with the primary coil, and a dc control coil coupled to the primary coil.

Specifically, the primary coils include a first primary coil 11, a second primary coil 12, a third primary coil 13, and a fourth primary coil 14 arranged in parallel, the first primary coil 11 and the second primary coil 12 are connected to an a-phase terminal, the third primary coil 13 is connected to a B-phase terminal, and the fourth primary coil 14 is connected to a C-phase terminal.

The magnetic cores include a first magnetic core 31 opposing the first primary coil 11 and the second primary coil 12, and a second magnetic core 32 opposing the third primary coil 13 and the fourth primary coil 14.

The secondary coils include a first secondary coil 21 and a second secondary coil 22 arranged in parallel, and a third secondary coil 23 and a fourth secondary coil 24 arranged in parallel, and the first secondary coil 21, the second secondary coil 22, the third secondary coil 23 and the fourth secondary coil 24 are respectively connected with an output terminal a, an output terminal x, an output terminal b and an output terminal y.

Referring to fig. 2, in an embodiment of the present invention, the scott transformer is combined with the magnetic voltage regulator, and on the basis of the original scott transformer, a reactance coil and a dc control coil are added, the reactance coil is connected in series with the primary coil, and the dc control coil is coupled with the reactance coil.

Specifically, the reactor includes a first reactor 41, a second reactor 42, a third reactor 43, and a fourth reactor 44, which are provided in series with the first primary coil 11, the second primary coil 12, the third primary coil 13, and the fourth primary coil 14, respectively.

The dc control coil includes a first dc control coil 51 coupled to the first primary coil 11 and the second primary coil 12, and a second dc control coil 52 coupled to the third primary coil 13 and the fourth primary coil 14. Preferably, the dc control coil in this embodiment is disposed to be vertically cross-coupled with the primary coil.

By adjusting the magnitude of the direct current flowing through the first direct current control coil 51 and the second direct current control coil 52, the magnitude of the output voltage Uax and Uby can be independently adjusted, stepless voltage regulation can be realized, the output of any power can be adjusted within an adjustable range, different power requirements of the glass kiln can be met, the gear shifting operation is simplified, and the process precision is improved.

Three-phase in and two-phase out of the Scott magnetic control system ensure three-phase balance of a power grid and can utilize electric energy more efficiently.

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 Scott magnetic tuning transformer for the glass ball production process comprises a primary coil, a secondary coil and a magnetic core, and is characterized by further comprising a reactance coil and a direct current control coil, wherein the reactance coil is connected with the primary coil in series, and the direct current control coil is coupled with the primary coil.

2. The Scott magnetic tuning transformer for glass sphere production process according to claim 1, wherein the primary coils comprise a first primary coil, a second primary coil, a third primary coil and a fourth primary coil arranged in parallel, the first primary coil and the second primary coil are connected with the A-phase terminal, the third primary coil is connected with the B-phase terminal, and the fourth primary coil is connected with the C-phase terminal.

3. A scott magnetic tuning transformer for glass sphere production process according to claim 2, wherein the reactance coils comprise a first reactance coil, a second reactance coil, a third reactance coil and a fourth reactance coil arranged in series with a first primary coil, a second primary coil, a third primary coil and a fourth primary coil, respectively.

4. A scott magnetic tuning transformer for glass sphere production process according to claim 2, wherein the dc control coils comprise a first dc control coil coupled to the first primary coil and the second primary coil, and a second dc control coil coupled to the third primary coil and the fourth primary coil.

5. A scott magnetic tuning transformer for glass sphere production process according to claim 1, characterized in that the dc control coil is cross-coupled with the primary coil.

6. A scott magnetic tuning transformer for glass sphere production process according to claim 2, characterized in that the magnetic cores comprise a first magnetic core opposite to the first and second primary coils and a second magnetic core opposite to the third and fourth primary coils.

7. A scott magnetic tuning transformer for glass ball production process according to claim 2, characterized in that the secondary coils comprise a first secondary coil and a second secondary coil arranged in parallel and a third secondary coil and a fourth secondary coil arranged in parallel, the first secondary coil, the second secondary coil, the third secondary coil and the fourth secondary coil are respectively connected with output terminal a, output terminal x, output terminal b and output terminal y.