CN216119864U

CN216119864U - One drags two structure annular wire winding network transformers

Info

Publication number: CN216119864U
Application number: CN202122651202.0U
Authority: CN
Inventors: 陈巨亮; 王冬; 曾巍; 李长征
Original assignee: Zhongshan Zhanhui Electronic Equipments Co ltd
Current assignee: Zhongshan Zhanhui Electronic Equipments Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-22
Anticipated expiration: 2031-11-02

Abstract

The utility model discloses a one-to-two structure annular winding network transformer, which belongs to the technical field of network electronic equipment. The enameled wires are respectively led out from different choke coil wire brakes, so that the fact that the choke coil is loose due to the fact that the same wire brake is led out is avoided, the winding is firm, the impedance of the choke coil is fixed, and the overall quality of a product is improved. And the outlet ends of the enameled wires are mutually twisted to ensure that the choke coil is tightly wound.

Description

One drags two structure annular wire winding network transformers

Technical Field

The utility model belongs to the technical field of network electronic equipment, and particularly relates to a one-to-two structure annular winding network transformer.

Background

The router is connected with an external network cable and an internal electronic element through a network transformer to reduce electromagnetic interference. With the continuous development of the width bandwidth, the working frequency of the router is gradually improved, the electronic elements are distributed more and more densely, the electromagnetic interference in the router circuit is stronger and stronger, the traditional network transformer is generally a winding which is independently connected with a choke coil, and the network transformer adopting the traditional structure occupies a large amount of the area of the PCB of the router. The network transformer has more internal components and higher production cost. The traditional choke coil is wound from the same end, and the coil is very easy to loose and retract in the installation and transportation process, so that the impedance of the choke coil is changed, and the normal work of the router is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the background art, the utility model provides the one-to-two structure annular winding network transformer, the area of a PCB (printed circuit board) occupied by the network transformer is reduced by connecting the two choke coils through the transformation coil, internal elements of the network transformer are reduced, and the production cost is reduced. The choke coils are respectively led out from different wire brakes, and the winding is firm.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a one-to-two structure annular winding network transformer comprises a transformation coil, a first choke coil, a second choke coil, a first enameled wire, a second enameled wire, a third enameled wire and a fourth enameled wire, wherein the first enameled wire, the second enameled wire, the third enameled wire and the fourth enameled wire are twisted into a composite twisted wire, the composite twisted wire is uniformly wound on the transformation coil, a wire outlet end of the first enameled wire and a wire outlet end of the second enameled wire are drawn out from a wire brake I at the top of the composite twisted wire, a wire outlet end of the third enameled wire and a wire outlet end of the fourth enameled wire are drawn out from a wire brake II at the top of the composite twisted wire, and two positions of the wire brake I and the wire brake II are adjacent; the first lead end of the enameled wire and the second lead end of the enameled wire are drawn out from the left side of the composite stranded wire, the first lead end of the enameled wire and the second lead end of the enameled wire are stranded into a first stranded wire, the first stranded wire is wound on the first choke coil at uniform intervals, and the first terminal of the enameled wire and the second terminal of the enameled wire are led out from the first choke coil; the three lead ends of the enameled wire and the four lead ends of the enameled wire are drawn out from the right side of the composite stranded wire, the three lead ends of the enameled wire and the four lead ends of the enameled wire are stranded into a second stranded wire, the second stranded wire is wound on a second choke coil at uniform intervals, and the three terminal ends of the enameled wire and the four terminal ends of the enameled wire are led out from the second choke coil.

Furthermore, the outlet ends of the first enameled wire and the second enameled wire are twisted after being led out; and the third outlet end of the enameled wire and the fourth outlet end of the enameled wire are stranded after being led out.

The utility model has the beneficial effects that: the two choke coils share one transformation coil, so that the network transformer elements are reduced, the cost is reduced, and the area of a PCB (printed circuit board) occupied by the network transformer is reduced. The enameled wires are respectively led out from different choke coil wire brakes, so that the fact that the choke coil is loose due to the fact that the same wire brake is led out is avoided, the winding is firm, the impedance of the choke coil is fixed, and the overall quality of a product is improved. And the outlet ends of the enameled wires are mutually twisted to ensure that the choke coil is tightly wound.

Drawings

FIG. 1 is a schematic view of a magnetic ring assembly according to the present invention;

in the figure, 1-transformation coil, 2-first choke coil, 3-second choke coil, 41-enameled wire first terminal, 42-enameled wire first terminal, 43-enameled wire first terminal, 51-enameled wire second terminal, 52-enameled wire second terminal, 53-enameled wire second terminal, 61-enameled wire third terminal, 62-enameled wire second terminal, 63-enameled wire third terminal, 71-enameled wire fourth terminal, 72-enameled wire fourth terminal, 73-enameled wire fourth terminal.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1, the one-to-two structure annular winding network transformer comprises a transformation coil 1, a first choke coil 2, a second choke coil 3, a first enameled wire, a second enameled wire, a third enameled wire and a fourth enameled wire, wherein the colors of the enameled wires are different, so that the wires can be conveniently distinguished in the later period. And the enameled wire I, the enameled wire II, the enameled wire III and the enameled wire IV are twisted into a composite twisted wire, the composite twisted wire is uniformly wound on the transformer coil, and the transformer proportion is determined according to the winding brake number of the composite twisted wire according to the transformer requirement of a user. The first enameled wire outlet end 41 and the second enameled wire outlet end 51 are drawn out from the first composite stranded wire top wire brake, the third enameled wire outlet end 61 and the fourth enameled wire outlet end 71 are drawn out from the second composite stranded wire top wire brake, the first wire brake and the second wire brake are adjacent, the transformer coils 1 are respectively led out from different wire brakes, the winding is firm, the number of the transformer coils 1 cannot be changed loosely in the installation and transportation processes, the transformation ratio of the network transformer is fixed, the product stability is improved, and the normal work of the router is ensured. And the enameled wire I, the enameled wire II, the enameled wire III and the enameled wire IV are twisted into a composite twisted wire, the composite twisted wire is uniformly wound on the transformer coil, and the transformer proportion is determined according to the winding brake number of the composite twisted wire according to the transformer requirement of a user. The first enameled wire outlet end 41 and the second enameled wire outlet end 51 are drawn out from the first composite stranded wire top wire brake, the third enameled wire outlet end 61 and the fourth enameled wire outlet end 71 are drawn out from the second composite stranded wire top wire brake, the first wire brake and the second wire brake are adjacent, the transformer coils 1 are respectively led out from different wire brakes, the winding is firm, the number of the transformer coils 1 cannot be changed loosely in the installation and transportation processes, the transformation ratio of the network transformer is fixed, the product stability is improved, and the normal work of the router is ensured. The two choke coils share one transformation coil, so that the network transformer elements are reduced, the cost is reduced, and the area of a PCB (printed circuit board) occupied by the network transformer is reduced.

Furthermore, the first outlet end 43 of the enameled wire and the second outlet end 53 of the enameled wire are twisted after being led out; and the third enameled wire outlet end 63 and the fourth enameled wire outlet end 73 are twisted after being led out. The enameled wire has small diameter, the single wire outlet is easy to bend and break, and the enameled wires are stably connected after the wire outlet ends are twisted, so that the choking coil is tightly wound.

Finally, it is noted that the above preferred embodiments are merely illustrative of the technical solutions of the present invention and not restrictive, and although the present invention has been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the present invention.

Claims

1. A one drags two structure annular wire winding network transformers, characterized by: the transformer winding device comprises a transformer coil, a first choke coil, a second choke coil, a first enameled wire, a second enameled wire, a third enameled wire and a fourth enameled wire, wherein the first enameled wire, the second enameled wire, the third enameled wire and the fourth enameled wire are twisted into a composite twisted wire, the composite twisted wire is uniformly wound on the transformer coil, a wire outlet end of the first enameled wire and a wire outlet end of the second enameled wire are extracted from a wire brake I at the top of the composite twisted wire, a wire outlet end of the third enameled wire and a wire outlet end of the fourth enameled wire are extracted from a wire brake II at the top of the composite twisted wire, and two positions of the wire brake I and the wire brake II are adjacent; the first lead end of the enameled wire and the second lead end of the enameled wire are drawn out from the left side of the composite stranded wire, the first lead end of the enameled wire and the second lead end of the enameled wire are stranded into a first stranded wire, the first stranded wire is wound on the first choke coil at uniform intervals, and the first terminal of the enameled wire and the second terminal of the enameled wire are led out from the first choke coil; the three lead ends of the enameled wire and the four lead ends of the enameled wire are drawn out from the right side of the composite stranded wire, the three lead ends of the enameled wire and the four lead ends of the enameled wire are stranded into a second stranded wire, the second stranded wire is wound on a second choke coil at uniform intervals, and the three terminal ends of the enameled wire and the four terminal ends of the enameled wire are led out from the second choke coil.

2. The one-driven-two structure ring-shaped winding network transformer of claim 1, which is characterized in that: the first enameled wire outlet end and the second enameled wire outlet end are twisted after being led out; and the third outlet end of the enameled wire and the fourth outlet end of the enameled wire are stranded after being led out.