CN211699970U

CN211699970U - Novel OD formula transformer structure

Info

Publication number: CN211699970U
Application number: CN202020695479.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiaxing Shimizu Electronics Co ltd
Current assignee: Jiaxing Shimizu Electronics Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-16
Anticipated expiration: 2030-04-29

Abstract

The utility model provides a novel OD type transformer structure, which comprises a coil, an oriented silicon steel core and a base; the base is provided with two parallel oriented silicon steel cores, two ends of each oriented silicon steel core are provided with plastic insulating shells, the coil penetrates through the central axes of the two oriented silicon steel cores to surround into an O shape, and the plastic insulating shells at the two ends are also surrounded; the plastic insulating shell is uniformly provided with protruding teeth, a terminal board is fixed below the plastic insulating shell on one side, and a wiring terminal is arranged on the terminal board and is electrically connected with the coil; the coil penetrates through the oriented silicon steel core, the magnetic density value is increased due to design, the copper loss of the coil is further reduced, and meanwhile, the oriented silicon steel with low loss is used as the magnetic core, so that the damage of the magnetic core is also reduced, and the service life of the whole transformer is further prolonged.

Description

Novel OD formula transformer structure

Technical Field

The utility model relates to a transformer technical field especially relates to a novel OD formula transformer structure.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

When a common transformer works in voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, loss is generated on an iron core and a coil, so that the service life of the transformer is shortened.

SUMMERY OF THE UTILITY MODEL

In view of the above, an object of the present invention is to provide a novel OD type transformer structure, which reduces the loss generated by the coil and the iron core when the transformer is in operation.

Technical scheme

The utility model provides a novel OD type transformer structure, which comprises a coil, an oriented silicon steel core and a base; the base is provided with two parallel oriented silicon steel cores, two ends of each oriented silicon steel core are provided with plastic insulating shells, the coil penetrates through the central axes of the two oriented silicon steel cores to surround into an O shape, and the plastic insulating shells at the two ends are also surrounded; the plastic insulation shell is uniformly provided with protruding teeth, a terminal block is fixed below the plastic insulation shell on one side, and a wiring terminal is arranged on the terminal block and is electrically connected with the coil.

Furthermore, 90-degree turned edges are arranged on two sides of the plastic insulating shell, the 90-degree turned edges cover the exposed part of the coil, and the protruding teeth on two sides are uniformly distributed in the middle of the 90-degree turned edges.

Furthermore, the wiring terminal is connected with the coil through an electric wire, the electric wire penetrates through a gap between the protruding teeth to be connected with the coil, the protruding teeth are evenly provided with protruding blocks, and the electric wire is wound between the protruding blocks and is fixed.

Furthermore, the protruding tooth boundary of the 90-degree flanging is provided with a protruding edge.

Furthermore, the plastic insulating shells at the two ends are different in height, and the plastic insulating shell connected with one end of the terminal board is higher than the plastic insulating shell at the other end of the terminal board.

Furthermore, a connecting sheet is arranged between the two oriented silicon steel cores, L-shaped flanges are arranged at two ends of the connecting sheet, the L-shaped flanges at two sides are tightly attached to the plastic insulating shells at two sides, and the bottom of the connecting sheet is fixedly connected with the base.

Furthermore, the connecting plates are uniformly provided with connecting holes, the L-shaped flanges are provided with round holes, and the round holes of the L-shaped flanges on one side are higher than the round holes on the other side.

Furthermore, the oriented silicon steel core is formed by overlapping a plurality of oriented silicon steel sheets.

Advantageous effects

1. The utility model discloses passing the orientation silicon steel core with the coil, both coiling the orientation silicon steel core to the coil, this kind of structure can let the magnetic circuit shorten with the even use of effective sectional area of orientation silicon steel core, and the increase of design magnetic density value, and then reduced the copper loss of coil, and the material that the orientation silicon steel this kind of loss of adoption simultaneously is low as the magnetic core, has also reduced the damage of magnetic core, and then has improved the life of whole transformer.

2. The utility model discloses an orientation silicon steel core and coil are all fixed on the base for lying, adopt the effectual space of having saved of structure of this kind of flat formula, can lie the installation flat, also can be with the vertical installation of base for the installation is more nimble.

Drawings

Fig. 1 is a top view of a transformer according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a transformer according to an embodiment of the present invention;

100, coils; 110. an electric wire; 200. an oriented silicon steel core; 300. a base; 310. a terminal plate; 311. a wiring terminal; 400. a plastic insulating case; 410. a projecting tooth; 411. a raised block; 420. flanging for 90 degrees; 421. a raised edge; 500. connecting sheets; 501. connecting holes; 510. l-shaped flanging; 511. a circular hole.

Detailed Description

The following describes the embodiments of the present invention in further detail with reference to the accompanying drawings and examples; the following examples are provided for illustrative purposes of the present invention, but are not intended to limit the scope of the invention;

fig. 1 shows a novel OD transformer structure, which includes a coil 100, an oriented silicon steel core 200 and a base 300; wherein, two oriented silicon steel cores 200 are arranged side by side on the base 300, plastic insulation cases 400 are fixed at both ends of the oriented silicon steel cores 200, the coil 100 passes through the central axes of the two oriented silicon steel cores 200 to surround into an O shape, and the plastic insulation cases 400 at both ends are also surrounded; specifically, the plastic insulating case 400 is integrally formed with protruding teeth 410 uniformly distributed, the terminal block 310 is fixed under the plastic insulating case 400 on one side, the terminal block 310 is provided with a terminal block 311, and the terminal block 311 is connected with the coil 100 by using the electric wire 110.

The specific oriented silicon steel core 200 is formed by overlapping a plurality of oriented silicon steel sheets.

As shown in fig. 1-2, two sides of the plastic insulating case 400 are integrally formed with 90 ° flanges 420, the 90 ° flanges 420 are used for covering the exposed portion of the coil 100 and protecting the 90 ° flanges 420, and the protruding teeth 410 at two sides are uniformly distributed in the middle of the 90 ° flanges 420.

As shown in fig. 1-2, the connection terminal 311 is connected to the coil 100 through the wire 110, the wire 110 is connected to the coil 100 through the gap between the protruding teeth 410, and the protruding teeth 410 are integrally formed with evenly distributed protruding blocks 411, and the wire 110 is wound between the protruding blocks 411 and fixed, so that the wire 110 is fixed and cannot easily move.

As shown in fig. 1-2, a protruding edge 421 for protecting the electric wire 110 passing through the protruding tooth 410 is integrally formed on the boundary of the protruding tooth 410 of the 90 ° burring 420.

As shown in fig. 2, the plastic insulating cases 400 at both ends have different heights, and the plastic insulating case 400 at one end connected with the terminal board 310 is higher than the plastic insulating case 400 at the other end, so that the terminal board 310 is higher in position, thereby facilitating the connection of the transformer.

As shown in FIG. 2, a connecting piece 500 is arranged between two oriented silicon steel cores 200, L-shaped flanges 510 are integrally formed at two ends of the connecting piece 500, the L-shaped flanges 510 at two sides are tightly attached to the plastic insulating cases 400 at two sides, and the bottom of the connecting piece 500 is fixed with the base 300 through connecting bolts.

As shown in fig. 2, the connecting sheet 500 is provided with connecting holes 501 uniformly distributed for connection and fixation, the L-shaped flanges 510 are provided with round holes 511, the round holes 511 of the L-shaped flanges 510 on one side are higher than the round holes 511 on the other side, and screws are used to penetrate through the round holes 511 to fix the plastic insulating housing 400 on both ends of the connecting sheet 500.

By adopting the horizontal structure, the space is saved and the installation is convenient.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A novel OD type transformer structure is characterized by comprising a coil, an oriented silicon steel core and a base; the base is provided with two parallel oriented silicon steel cores, two ends of each oriented silicon steel core are provided with plastic insulating shells, the coil penetrates through the central axes of the two oriented silicon steel cores to surround into an O shape, and the plastic insulating shells at the two ends are also surrounded; the plastic insulation shell is uniformly provided with protruding teeth, a terminal block is fixed below the plastic insulation shell on one side, and a wiring terminal is arranged on the terminal block and is electrically connected with the coil.

2. The novel OD type transformer structure of claim 1, wherein 90 ° flanges are arranged on both sides of the plastic insulating shell, the 90 ° flanges cover the exposed portion of the coil, and the protruding teeth on both sides are uniformly distributed in the middle of the 90 ° flanges.

3. The OD transformer of claim 2 wherein the terminals are connected to the coils by wires, the wires are connected to the coils by passing through spaces between the protruding teeth, the protruding teeth have protrusions formed thereon, and the wires are wound around the protrusions and fixed therebetween.

4. The novel OD transformer structure of claim 3, wherein the protruding teeth of the 90 ° flanges are provided with raised edges on their boundaries.

5. The OD transformer of claim 1 wherein the plastic insulating cases at the two ends are different in height, and the plastic insulating case at the end to which the terminal plate is connected is higher than the plastic insulating case at the other end.

6. The novel OD type transformer structure of claim 2, wherein a connecting plate is arranged between the two oriented silicon steel cores, L-shaped flanges are arranged at two ends of the connecting plate, the L-shaped flanges at two sides are tightly attached to the plastic insulating shells at two sides, and the bottom of the connecting plate is fixedly connected with the base.

7. The novel OD type transformer structure of claim 6, wherein the connecting plates are uniformly distributed with connecting holes, the L-shaped flanges are provided with round holes, and the round holes of the L-shaped flanges on one side are higher than those on the other side.

8. The novel OD transformer structure of claim 1, wherein the oriented silicon steel core is formed by stacking a plurality of oriented silicon steel sheets.