CN218159961U

CN218159961U - Integral type reactance transformer

Info

Publication number: CN218159961U
Application number: CN202222072978.1U
Authority: CN
Inventors: 聂祝洋; 杜庆云; 刁连杰; 张艳; 万静龙; 张德光; 刘国安; 王玲
Original assignee: HEFEI ECRIEE-TAMURA ELECTRIC CO LTD
Current assignee: HEFEI ECRIEE-TAMURA ELECTRIC CO LTD
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-12-27
Anticipated expiration: 2032-08-08

Abstract

The utility model provides an integral type reactance transformer, including transformer unit and reactor unit, transformer unit includes the magnetic core and twines the winding on the magnetic core, the reactor unit is including the iron core, and transformer unit transversely places, the reactor unit comprises on the iron core by the partial coil winding of transformer unit winding, the utility model discloses with the integrated design of transformer unit and reactor unit, the degree that integrates is high, wholly adopts horizontal structure, can reduce holistic volume, weight and cost, for traditional product, wholly neatly more beautifully, whole product fuses in addition, still has the fork truck mouth, conveniently carries out the transportation and the installation of complete machine, uses very convenience.

Description

Integral type reactance transformer

Technical Field

The utility model relates to a transformer technical field specifically is an integral type reactance transformer.

Background

Along with the development of new energy industry, the demand of test power supply equipment is increasing day by day, wherein the test power supply generally requires a direct current output end capable of being adjusted, in order to realize the smooth adjustment of output voltage within a certain range, a rectifier circuit generally adopts a transformer and a reactor to be matched for use, and the reactor can stabilize the level of the voltage of a transformer winding, so that the voltage fluctuation on the winding is small, and the effect of smoothly adjusting the output voltage of the transformer is achieved.

In the existing rectification circuit, the adopted reactor placing method is generally an externally-attached type placing method, namely, a transformer and a reactor are designed and placed independently, so that the occupied size is large, the finished product produced by manufacturing the whole rectification circuit is high, the structure is complex, the use is inconvenient, and the requirement of the modern society on the high integration of the test power supply cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral type reactance transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

an integrated reactance transformer comprising a transformer unit and a reactor unit, wherein:

the reactor comprises a transformer unit, a reactor unit and a connecting clamping piece, wherein the transformer unit comprises a magnetic core and a winding wound on the magnetic core, the reactor unit is transversely placed and is formed by winding partial coils of the winding of the transformer unit on the iron core, two ends of the magnetic core of the transformer unit are fixed between an upper clamping piece of a transformer yoke and a lower clamping piece of the transformer yoke, the lower end of the lower clamping piece of the transformer yoke is provided with a lower clamping piece of the reactor yoke, and the lower clamping piece of the transformer yoke and the lower clamping piece of the reactor yoke are connected through the connecting clamping piece;

the reactor comprises a reactor unit and is characterized in that two ends of an iron core on the reactor unit are fixed on a reactor iron yoke lower clamping piece, an reactor iron yoke upper clamping piece is fixed on the upper end face of each of two ends of the iron core on the reactor unit, the reactor iron yoke lower clamping piece and the reactor iron yoke upper clamping piece are connected through fastening bolts, and a forklift opening is formed in the bottom of the reactor iron yoke lower clamping piece.

Preferably, the coil wound on the iron core is a secondary winding or a primary winding of a transformer unit winding.

Preferably, the connecting clamping pieces are fixed on the side surfaces of the lower iron yoke clamping piece of the transformer and the lower iron yoke clamping piece of the reactor by bolts, the upper ends of the connecting clamping pieces are provided with longitudinal waist-shaped holes, the lower ends of the connecting clamping pieces are provided with transverse waist-shaped holes, the bolts penetrate through the longitudinal waist-shaped holes to be connected with the lower iron yoke clamping piece of the transformer, and the bolts penetrate through the transverse waist-shaped holes to be connected with the lower iron yoke clamping piece of the reactor.

Preferably, the left side and the right side of the transformer yoke upper clamping piece and the transformer yoke lower clamping piece are connected through reinforcing frames, and a plurality of groups of reinforcing bolts are further arranged in the middle of the transformer yoke upper clamping piece and the transformer yoke lower clamping piece for connection.

Preferably, the two upper clamping pieces of the reactor iron yoke and the two lower clamping pieces of the reactor iron yoke at the front end and the rear end of the transformer unit are connected through connecting bolts.

Preferably, the height of the forklift opening is 60-70mm.

Preferably, the reactance type transformer is a three-phase transformer, and the transformer unit and the reactor unit are both provided with three groups.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses with transformer unit and reactor unit integrated design, the degree that integrates is high, wholly adopts horizontal structure, can reduce holistic volume, weight and cost, and for traditional product, whole neatly more pleasing to the eye, whole product fuses in addition, still has the fork truck mouth, conveniently carries out the transportation and the installation of complete machine, uses very convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connecting clip of the present invention;

fig. 3 is a front view of the transformer unit and the reactor unit mounting body of the present invention;

fig. 4 is a schematic structural diagram of the transformer unit and the reactor unit mounting body according to the present invention.

In the figure: the device comprises a transformer unit 1, a reactor unit 2, a transformer yoke upper clamping piece 3, a transformer yoke lower clamping piece 4, a reactor yoke lower clamping piece 5, a forklift opening 51, a connecting clamping piece 6, a reactor yoke upper clamping piece 7, a fastening bolt 8, a reinforcing frame 9, a reinforcing bolt 10 and a connecting bolt 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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 all belong to the protection scope of the present invention.

The embodiment is as follows:

referring to fig. 1 to 4, the present invention provides a technical solution:

an integrated reactance transformer comprising a transformer unit 1 and a reactor unit 2, wherein:

the transformer unit 1 comprises a magnetic core and windings wound on the magnetic core, the reactor unit 2 comprises an iron core, the reactance type transformer is a three-phase transformer, three groups of coils are arranged on the transformer unit 1 and the reactor unit 2, the transformer unit 1 is transversely placed, the reactor unit 2 is formed by winding partial coils of the windings of the transformer unit 1 on the iron core, the coils wound on the iron core are secondary windings or primary windings of the transformer unit 1, the coils of the reactor unit 2 are required by a rectifier circuit, if the reactor unit 2 is required to be on the primary side of the transformer, the primary windings of the transformer unit 1 are selected to be wound on the iron core, if the reactor unit 2 is required to be on the secondary side of the transformer, the primary windings of the transformer unit 1 are selected to be wound on the iron core, the transformer unit 1 and the reactor unit 2 are integrally designed, the degree of integration is high, the whole body adopts a horizontal structure, and the volume, the weight and the cost of the whole body can be reduced.

The transformer unit is characterized in that two ends of a magnetic core of the transformer unit are fixed between an upper clamp 3 of a transformer yoke and a lower clamp 4 of the transformer yoke, the upper clamp 3 of the transformer yoke and the left and right sides of the lower clamp 4 of the transformer yoke are connected through a reinforcing frame 9 in a bolt connection mode, a plurality of groups of reinforcing bolts 10 are further arranged in the middle of the upper clamp 3 of the transformer yoke and the lower clamp 4 of the transformer yoke for connection, screws of the reinforcing bolts 10 penetrate through the upper clamp 3 of the transformer yoke and the lower clamp 4 of the transformer yoke to connect the two, the side edges of the upper clamp 3 of the transformer yoke are bent upwards, the integral structural strength is enhanced, the upper clamp 3 of the transformer yoke is further provided with through holes, hoisting is convenient, and structural members cannot deform when the transformer yoke is integrally assembled and is hoisted by dipping.

The lower end of the transformer yoke lower clamping piece 4 is provided with a reactor yoke lower clamping piece 5, the transformer yoke lower clamping piece 4 is connected with the reactor yoke lower clamping piece 5 through a connecting clamping piece 6, the connecting clamping piece 6 is fixed on the side faces of the transformer yoke lower clamping piece 4 and the reactor yoke lower clamping piece 5 through bolts, the upper end of the connecting clamping piece 6 is provided with a longitudinal kidney-shaped hole 61, the lower end of the connecting clamping piece 6 is provided with a transverse kidney-shaped hole 62, the bolts penetrate through the longitudinal kidney-shaped hole 61 and are connected with the transformer yoke lower clamping piece 4, the bolts penetrate through the transverse kidney-shaped hole 62 and are connected with the reactor yoke lower clamping piece 5, the height between the transformer yoke lower clamping piece 4 and the reactor yoke lower clamping piece 5 can be adjusted through the longitudinal kidney-shaped hole 61, the horizontal positions of the transformer yoke lower clamping piece 4 and the reactor yoke lower clamping piece 5 relative to each other can be adjusted through the transverse kidney-shaped hole 62, the reactor unit 2 is arranged between the two, the connecting clamping piece 6 is moved up and down and back and forth, so that the inductance can be adjusted as required during production, the size deviation of an iron core is reduced, the coil during the wire winding is adapted, and the efficiency of the production is improved.

The two ends of the iron core on the reactor unit 2 are fixed on the reactor yoke lower clamping piece 5, the reactor yoke upper clamping pieces 7 are fixed on the upper end faces of the two ends of the iron core on the reactor unit 2, the reactor yoke lower clamping pieces 5 and the reactor yoke upper clamping pieces 7 are connected through the fastening bolts 8, the iron core of the reactor unit 2 is clamped between the two clamping pieces when the fastening bolts 8 are tightened, so that the reactor unit 2 is fixed more stably, the two reactor yoke upper clamping pieces 7 at the front end and the rear end of the transformer unit 1 and the two reactor yoke lower clamping pieces 5 are connected through the connecting bolts 11, the connecting plates are arranged between the reactor yoke upper clamping pieces 7 which are in contact with the connecting bolts 11 and on the side faces of the reactor yoke lower clamping pieces 5, for example, the connecting plates are fixed on the upper end faces of the reactor yoke upper clamping pieces 7 at the front side and the rear side, the screw rod of the connecting bolt 11 penetrates through the connecting plates to connect the two reactor yoke upper clamping pieces 7, the connecting mode between the two yoke lower clamping pieces 5 is the same, so that the whole product is connected into a whole, and the reactor is more attractive compared with the traditional reactor product.

The bottom of the reactor iron yoke lower clamping piece 5 is provided with a forklift opening 51, the height of the forklift opening 51 is 60-70mm, and a forklift arm of a forklift can be directly inserted into the forklift opening 51, so that the transportation and installation of the whole machine are facilitated, and the reactor iron yoke lower clamping piece is very convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integrated reactance transformer, comprising a transformer unit (1) and a reactor unit (2), said transformer unit (1) comprising a magnetic core and a winding wound on the magnetic core, said reactor unit (2) comprising an iron core, characterized in that:

the transformer unit (1) is transversely placed, the reactor unit (2) is formed by winding partial coils of windings of the transformer unit (1) on an iron core, two ends of a magnetic core of the transformer unit are fixed between an upper transformer yoke clamping piece (3) and a lower transformer yoke clamping piece (4), a lower reactor yoke clamping piece (5) is arranged at the lower end of the lower transformer yoke clamping piece (4), and the lower transformer yoke clamping piece (4) and the lower reactor yoke clamping piece (5) are connected through a connecting clamping piece (6);

the reactor is characterized in that two ends of an iron core on the reactor unit (2) are fixed on the reactor iron yoke lower clamping piece (5), the upper end faces of two ends of the iron core on the reactor unit (2) are fixed with the reactor iron yoke upper clamping piece (7), the reactor iron yoke lower clamping piece (5) and the reactor iron yoke upper clamping piece (7) are connected through fastening bolts (8), and a forklift opening (51) is formed in the bottom of the reactor iron yoke lower clamping piece (5).

2. The integrated reactance transformer of claim 1, characterized in that: and the coil wound on the iron core is a secondary winding or a primary winding of a winding of the transformer unit (1).

3. The integrated reactance transformer of claim 1, characterized in that: the connecting clamping pieces (6) are fixed on the side faces of the transformer iron yoke lower clamping piece (4) and the reactor iron yoke lower clamping piece (5) through bolts, the upper ends of the connecting clamping pieces (6) are provided with longitudinal waist-shaped holes (61), the lower ends of the connecting clamping pieces are provided with transverse waist-shaped holes (62), the bolts penetrate through the longitudinal waist-shaped holes (61) to be connected with the transformer iron yoke lower clamping piece (4), and the bolts penetrate through the transverse waist-shaped holes (62) to be connected with the reactor iron yoke lower clamping piece (5).

4. The integrated reactance transformer of claim 1, characterized in that: the transformer yoke upper clamping piece (3) is connected with the left side and the right side of the transformer yoke lower clamping piece (4) through a reinforcing frame (9), and a plurality of groups of reinforcing bolts (10) are further arranged in the middle of the transformer yoke upper clamping piece (3) and the transformer yoke lower clamping piece (4) to be connected.

5. The integrated reactance transformer of claim 1, characterized in that: the two upper clamping pieces (7) of the reactor iron yoke and the two lower clamping pieces (5) of the reactor iron yoke at the front end and the rear end of the transformer unit (1) are connected through connecting bolts (11).

6. The integrated reactance transformer of claim 1, characterized in that: the height of the forklift opening (51) is 60-70mm.

7. An integral reactance transformer as claimed in any of claims 1-6, characterized in that: the reactance transformer is a three-phase transformer, and the transformer unit (1) and the reactor unit (2) are both provided with three groups.