WO2023142480A1

WO2023142480A1 - Ethernet plug connector and manufacturing method therefor

Info

Publication number: WO2023142480A1
Application number: PCT/CN2022/116562
Authority: WO
Inventors: 陆平
Original assignee: 深南电路股份有限公司
Priority date: 2022-01-27
Filing date: 2022-09-01
Publication date: 2023-08-03
Also published as: CN116565597A

Abstract

Disclosed in the present application are an Ethernet plug connector and a manufacturing method therefor. The Ethernet plug connector comprises: a circuit board assembly, on which a first conductive terminal and a second conductive terminal are formed, wherein the first conductive terminal and the second conductive terminal are coupled to each other; a magnetic core, which is buried in the circuit assembly, so as to realize the coupling between the first conductive terminal and the second conductive terminal; a first pin, which is connected to the first conductive terminal; a second pin, which is connected to the second conductive terminal; and an encapsulation housing, which encapsulates the circuit board assembly and exposes parts of the first pin and the second pin. By means of the present technical solution, an internal circuit of the Ethernet plug connector is integrated on a circuit board assembly, such that the structure and the manufacturing process of the Ethernet plug connector are simplified, and mass production can be realized.

Description

Ethernet plug connector and method of making the same

This application claims the priority of the Chinese patent application with the application number 202210100683.2 filed on January 27, 2022, and the title of the invention is "Ethernet plug connector and its manufacturing method", the entire contents of which are incorporated herein by reference. Applying.

technical field

The present application relates to the field of connectors, in particular to an Ethernet plug connector and a manufacturing method thereof.

Background technique

In the field of business and industry, Ethernet is the most widely used communication technology today. It has become a widely used network technology in the world and is expanding to various fields at a rapid speed. Ethernet plug connectors are necessary for Ethernet applications. One of the indispensable parts.

At present, in the traditional Ethernet plug connector, the copper wire is wound around the magnetic core and fixed with fixing glue to realize the function. The inventor realizes that the current Ethernet plug connector has problems of complicated winding and low integration, which leads The production process is complicated and it is difficult to produce in large quantities.

Contents of the invention

The present application provides an Ethernet plug connector and a manufacturing method thereof, which can solve the aforementioned problems of complicated winding and low integration of the Ethernet plug connector.

In order to solve the above technical problems, the present application provides an Ethernet plug connector. The Ethernet plug connector includes: a circuit board assembly, a first conductive terminal and a second conductive terminal are formed on the circuit board assembly, and the first conductive terminal and the second conductive terminal are connected to each other. The coupling between the two conductive terminals; the magnetic core is buried in the circuit assembly to realize the coupling between the first conductive terminal and the second conductive terminal. The first pin is connected to the first conductive terminal; the second pin is connected to the The second conductive terminal; the encapsulation shell, encapsulating the circuit board assembly, and exposing part of the first pin and the second pin.

In order to solve the above technical problems, the present application provides a method for manufacturing an Ethernet plug connector, including: obtaining a circuit board, embedding a magnetic core on the circuit board, making a circuit, and leaving the first conductive terminal and the second conductive terminal ; Obtain the first pin and the second pin, wherein the first pin is connected to the first conductive terminal, and the second pin is connected to the second conductive terminal to obtain the circuit board assembly; obtain the packaging shell, package the circuit board assembly, and expose Part of the first pin and the second pin.

The beneficial effects of the present application are: different from the situation of the prior art, the present application provides an Ethernet plug connector and a manufacturing method thereof. The Ethernet plug connector includes: a circuit board assembly, on which a first The conductive terminal and the second conductive terminal are coupled between the first conductive terminal and the second conductive terminal; the magnetic core is buried in the circuit assembly to realize the coupling between the first conductive terminal and the second conductive terminal. The needle is connected to the first conductive terminal; the second pin is connected to the second conductive terminal; the package shell is used to package the circuit board assembly and expose part of the first pin and the second pin. The technical proposal simplifies the structure and production process of the Ethernet plug connector by integrating the internal circuits of the Ethernet plug connector on the circuit board assembly, thereby enabling mass production.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative work, in which:

FIG. 1 is a schematic structural view of an embodiment of an Ethernet plug connector provided by the present application;

Fig. 2 is a structural schematic diagram of another direction of the Ethernet plug connector in Fig. 1;

Fig. 3 is a schematic flow chart of an embodiment of the manufacturing method of the Ethernet plug connector provided by the present application;

FIG. 4 is a schematic structural diagram of an embodiment of a circuit board assembly provided by the present application.

Detailed ways

In order to make the technical problems solved by the application, the technical solutions adopted and the technical effects achieved clearer, the technical solutions of the embodiments of the application will be further described in detail below in conjunction with the accompanying drawings.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to FIG. 1 , FIG. 1 is a schematic structural view of an embodiment of an Ethernet plug connector provided by the present application, and FIG. 2 is a structural schematic view of another direction of the Ethernet plug connector in FIG. 1 . In this embodiment, the Ethernet plug connector includes a circuit board assembly 11 , a first pin 12 , a second pin 13 and a package shell 14 .

Wherein, a first conductive terminal (not shown) and a second conductive terminal 112 are formed on the circuit board assembly 11, and the first conductive terminal and the second conductive terminal 112 are coupled; a magnetic core (not shown) is embedded in the circuit In the component 11 , to realize the coupling between the first conductive terminal and the second conductive terminal 112 ; the first pin 12 is connected to the first conductive terminal, and the second pin is connected to the second conductive terminal 112 . The package case 1 is used to package the circuit board assembly 11 , and part of the first contact pin 12 and the second contact pin 13 are exposed on the package case 1 .

The above structure realizes the integrated setting of the circuit inside the Ethernet plug connector and the circuit board assembly, and simplifies the structure of the Ethernet plug connector.

In other embodiments, the circuit board assembly may include a plurality of circuit boards, and the plurality of circuit boards are stacked in sequence, the first conductive terminal is arranged on the surface of the circuit board at one side edge away from other circuit boards, and the second conductive terminal 112 It is arranged on the surface of the circuit board at the edge of the other side away from other circuit boards.

Exemplarily, the circuit board assembly 11 is formed by stacking three layers of circuit boards, one side of the circuit board assembly 11 is formed with a plurality of first conductive terminals (not shown) arranged in a "line" shape, and the other side edge is formed There are a plurality of second conductive terminals 112 arranged in an array, and a welding point 113 is reserved on the edge of the circuit board assembly 11 away from the second conductive terminals 112 . Wherein, the first conductive terminal and the second conductive terminal 112 include a threaded shape, a cylindrical shape, a rectangular parallelepiped shape, and the like. The structures of the first conductive terminal and the second conductive terminal 112 can also be adjusted as required, the depth of the first conductive terminal is smaller than the thickness of the circuit board assembly 11, and the depth of the second conductive terminal 112 is smaller than the width of the circuit board assembly 11.

In other embodiments, the circuit board assembly 11 may only include one layer of circuit board, and the first conductive terminal and the second conductive terminal 112 are respectively located on two opposite sides of the circuit board.

In other embodiments, a magnetic core (not shown), a first circuit and a second circuit (not shown) are arranged inside the circuit board assembly 11, the first circuit and the second circuit are respectively arranged on both sides of the magnetic core, and the second circuit A circuit and a second circuit are coupled through the magnetic core, the first circuit is connected to the first conductive terminal, and the second circuit is connected to the second conductive terminal 112 .

Through the above structure, the magnetic core is arranged in the circuit board assembly 11, and the first circuit and the second circuit are arranged around the magnetic core to form the first conductive terminal and the second conductive terminal 112 to expose the circuit board assembly 11, effectively avoiding the A complex structure of copper wire surrounding a magnetic core. Realized that the magnetic core is encapsulated in the circuit board assembly 11, and connected to the outside through the first conductive terminal and the second conductive terminal 112, thereby simplifying the structure of the Ethernet plug connector, avoiding the problem of complicated winding, and improving the The degree of integration is conducive to mass production.

In other embodiments, the Ethernet plug connector further includes electronic components (not shown), the second pin 13 is connected to part of the second conductive terminal 112 , and the electronic component is connected to another part of the second conductive terminal 112 .

Exemplarily, the electronic components may include capacitors, resistors, inductors or control chips, or at least any combination of two or more of capacitors, resistors, inductors and control chips, for example, capacitors and resistors, or inductors and control chips , or include capacitance, resistance, and inductance, and so on. And the electronic components and the second pins 12 are disposed on the same side surface of the circuit board assembly 11 .

The function of the Ethernet plug connector is increased by arranging a plurality of electronic components on the circuit board assembly to connect with the second conductive terminal. In other embodiments, the first contact pin 12 is preferably made of gold, silver, copper, aluminum and other metal materials with good electrical conductivity. The number of first pins 12 is equal to the number of first conductive terminals, and the first pins 12 are bent structures, including a first bent section 121 and a second bent section 122, and the second bent section 122 and the first bent section The folding section 121 is set at a preset angle.

Wherein, the preset angle is an acute angle, preferably 10-45 degrees. The length of the first bent section 121 is greater than the depth of the first conductive terminal, the length of the second bent section 122 is shorter than the length of the first bent section 121 ,

In addition, the first bending section 121 and the second bending section 122 of the first pin 12 are both rectangular parallelepiped columns, and the width is much greater than the thickness. One end of the first bending section 121 is fixedly connected to the first conductive terminal, the other end of the first bending section 121 is connected to one end of the second bending section 122 , and the side of the second bending section 122 facing away from the first bending section 121 Connect with the outside.

In other embodiments, the shapes of the first bending section 121 and the second bending section 122 can also be different, and the first bending section 121 can also be in other shapes, such as: thread shape, cylinder shape, cuboid shape and so on.

In other embodiments, the first bent section 121 can also be bent, that is, the first bent section 121 adopts a bent structure, so as to facilitate the fixed connection with the first conductive terminal; Can be other shapes, such as: triangular prism and so on.

In other embodiments, the surface of the second bent section 122 away from the first bent section 121 is preferably flat, so as to facilitate connection with an Ethernet plug.

In other embodiments, the second pins 13 are cylinders, the number of the second pins 13 is equal to the number of the second conductive terminals 112 , and the length of the second pins 13 is twice the depth of the second conductive terminals 112 . One end of the second pin 13 is connected to the second conductive terminal 112 , and the other end is extended perpendicular to the circuit board assembly 11 and connected to the outside.

In other embodiments, the second pin 13 can also be a cylinder of other shapes, and can even be bent. The second pin 13 adopts a bent structure to facilitate external connection; the number of the second pin 13 can also be The length of the second pins 13 may be other sizes than the number of the second conductive terminals 112 .

In other embodiments, the packaging case 14 includes a plastic packaging case 141 and a shielding case 142. The material of the plastic packaging case 141 includes epoxy resins, polyimides, BTs, ABFs, ceramic bases, etc., and the shielding case 142 is preferably made of metal materials with good electrical conductivity such as gold, silver, copper, and aluminum. The plastic package 141 is provided with an opening, and the plastic package 141 forms an accommodating space according to the shape of the circuit board assembly 11. The circuit board assembly 11 is arranged in the accommodating space, and is fixedly connected with the plastic package 141, so as to realize the circuit board assembly 11, An integrated package of the first conductive terminal, the second conductive terminal 112 , the first pin 12 and the second pin 13 .

In other embodiments, parts of the first pins 12 and the second pins 13 are exposed outside the plastic package 141 . The shielding case 142 is also provided with an opening, and is fixedly connected to the plastic casing 141 to form a surface contact, and is fixedly connected to the soldering point 113 of the circuit board assembly 11 , so that the circuit board assembly 11 realizes ground shielding.

Wherein, the connection method between the plastic package 141 and the circuit board assembly 11 includes: screw connection, buckle connection, adhesive bonding and so on. The connection methods of the shielding shell 142 and the plastic package 141 include: threaded connection and buckle connection, and the connection methods of the shielding shell 142 and the circuit board assembly 11 include: bonding, riveting, and welding.

Referring to FIG. 3 , FIG. 3 is a schematic flowchart of an embodiment of a manufacturing method of an Ethernet plug connector provided in the present application.

In this embodiment, the manufacturing method of the Ethernet plug connector includes the following steps:

S101: Obtain a circuit board assembly, embed the magnetic core, make a circuit, and reserve a first conductive terminal, a second conductive terminal and a soldering point.

In one example, the circuit board assembly includes three-layer circuit boards, and a plurality of circuit boards are stacked in sequence, wherein magnetic cores are embedded in the second-layer circuit board, and corresponding magnetic cores are embedded in the first-layer circuit board and the third-layer circuit board. A first circuit and a second circuit are arranged on two sides of the core, the first circuit and the second circuit are coupled through the magnetic core, and are respectively connected to the first conductive terminal and the second conductive terminal.

In another example, the circuit board assembly may only include one layer of circuit board, and the first conductive terminal and the second conductive terminal are respectively located on opposite side surfaces of the layer of circuit board.

Wherein, the first conductive terminal is arranged on the surface of one side edge of the circuit board assembly away from other circuit boards, and the second conductive terminal is arranged on the surface of the other side edge of the circuit board assembly away from other circuit boards, so as to facilitate connection with the outside .

Wherein, the connection methods of the multilayer circuit board include welding, crimping, threading, clamping and the like.

Wherein, the step of arranging the first circuit and the second circuit includes: etching the circuit board to obtain lines, or realizing electrical connection inside the circuit board through holes.

Wherein, when the multi-layer circuit boards are stacked, the electrical connection of the circuit boards is realized through crimping or soldering.

Wherein, the structures of the first conductive terminal and the second conductive terminal are preferably rectangular parallelepiped.

Wherein, the welding point is preferably coplanar with the second conductive terminal, and is located at the edge of the circuit board component away from the second conductive terminal.

In other embodiments, there may be one or more layers of circuit boards in the circuit board assembly. The first conductive terminal and the second conductive terminal can also be arranged at other positions of the circuit board assembly. The structures of the first conductive terminal and the second conductive terminal may also be cylindrical, cube-shaped, or the like. The soldering points can also be arranged at other positions of the circuit board assembly, and multiple ones can also be arranged.

S102: Obtain a first pin and a second pin, wherein the first pin is connected to the first conductive terminal, and the second pin is connected to the second conductive terminal.

An end of the first bent section of the first pin away from the second bent section is fixedly connected to the first conductive terminal, and an end of the second pin that matches the structure of the second conductive terminal is fixedly connected to the second conductive terminal. Wherein, the fixed connection method includes bonding, riveting, welding, screwing, clamping and the like.

The first pins are inserted into the first conductive terminal and arranged in a "line", and the number and spacing of the second bent sections of the first pins are respectively consistent with the Ethernet plug. One end of the second pins is inserted into the second conductive terminal and distributed in an array, and the number and spacing of the second pins are respectively consistent with the number and spacing of the external sockets to be connected.

In other embodiments, the first pins and the second pins can also have other shapes, and can also be arranged in other ways, as long as they match the shape, quantity and spacing of the sockets of the components to be connected.

S103: Obtain a package case, package the circuit board assembly, and expose part of the first pin and the second pin.

The package case includes a plastic package case and a shield case.

A storage space is provided inside the plastic package, and the circuit board assembly is arranged in the storage space, and is fixedly connected with the plastic package, exposing part of the first pin and the second pin, and the end of the plastic package close to the first pin is also provided with a built-in The space and shape are matched with the shape of the Ethernet plug so that the first pin is fixed when it is connected to the Ethernet plug.

The shielding case is made of conductive material, and an accommodating space is provided inside to completely wrap the plastic casing, and a plurality of openings are also provided to expose part of the first pin and the second pin. The shielding shell is fixedly connected with the plastic casing and forms a surface contact, and is fixedly connected with the soldering point of the circuit board assembly. The end part of the first pin away from the circuit board assembly is exposed outside the shielding shell, and the part of the first bending section of the second pin is and the second bending section are arranged in the built-in space of the plastic package.

Wherein, the connection method between the plastic package and the circuit board assembly includes: screw connection, buckle connection, bonding and so on. The connection methods of the shielding case and the plastic casing include: screw connection and buckle connection. The connection methods between the shielding case and the welding points include: bonding, riveting, and welding.

In other embodiments, the plastic package can also be obtained by plastic-sealing part of the structure of the circuit board assembly. Wherein, the first contact pin, the second contact pin and the welding point need to be exposed after plastic sealing, so as to ensure that the Ethernet plug connector can be connected to the outside, and the circuit board assembly can be connected to the shielding case.

Based on the above manufacturing method of the Ethernet plug connector, by integrating the functions of the Ethernet plug connector on the circuit board assembly, the degree of integration is improved, and the complicated winding structure is avoided; the configuration corresponds to the structure of the circuit board assembly The encapsulation shell of the circuit board assembly is fixedly connected to enhance the protection of the circuit board assembly. The circuit board assembly can realize grounding shielding by connecting the shielding shell, which enhances the protection effect.

In other embodiments, electronic components can also be arranged on the circuit board assembly to meet different functional requirements of the circuit board assembly. As shown in FIG. 4 , FIG. 4 is a schematic structural diagram of an embodiment of the circuit board assembly provided by the present application. The circuit board assembly includes a first conductive terminal 41 , a first pin 42 , a second conductive terminal 43 , a second pin 44 , an electronic component 45 and a welding point 46 .

The circuit board assembly is formed by stacking three layers of circuit boards. One side of the circuit board assembly is formed with a plurality of first conductive terminals 41 arranged in a "line" shape, connected to a plurality of first pins 42, and the edge of the other side is formed with A plurality of second conductive terminals 43 arranged in an array are partially connected to the second contact pins 44 , and the other part is connected to the electronic component 45 , and a welding point 46 is reserved on the edge of the circuit board component away from the second conductive terminals 43 .

The electronic component 45 includes a capacitor 451 , a resistor 452 , an inductor 453 , and a control chip 454 , and is arranged on the surface of the same side of the circuit board assembly as the second pin 44 .

In other embodiments, the type and quantity of the electronic components 45 can also be adjusted as required, and the electronic components 45 can also be arranged in other positions of the circuit board assembly, so as to facilitate installation and maintenance.

Through the above structure, the circuit board assembly obtains the circuit function, and the Ethernet plug connector realizes the function through the circuit board assembly. In the technical solution, the Ethernet plug connector has a high degree of integration, a simpler and more stable structure, and convenient and easy assembly. Therefore, the manufacturing process of the Ethernet plug connector can be simplified and mass production can be realized.

The above is only an embodiment of the application, and does not limit the patent scope of the application. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the application, or directly or indirectly used in other related technologies fields, are all included in the scope of patent protection of this application in the same way.

Claims

An Ethernet plug connector, wherein the Ethernet plug connector includes:

A circuit board assembly, where a first conductive terminal and a second conductive terminal are formed on the circuit board assembly, and the first conductive terminal is coupled to the second conductive terminal;

a magnetic core embedded in the circuit assembly to achieve coupling between the first conductive terminal and the second conductive terminal;

a first pin connected to the first conductive terminal;

a second pin connected to the second conductive terminal;

The packaging case encapsulates the circuit board assembly and exposes part of the first pin and the second pin.
The Ethernet plug connector according to claim 1, wherein the circuit board assembly comprises a circuit board, and the first conductive terminal and the second conductive terminal are respectively located on opposite side surfaces of the circuit board or, the circuit board assembly includes a plurality of circuit boards, and a plurality of the circuit boards are stacked in sequence, and the first conductive terminal is arranged on the surface of the circuit board at one side edge away from the other circuit boards , the second conductive terminal is disposed on the surface of the circuit board at the other side edge away from the other circuit boards.
The Ethernet plug connector according to claim 2, wherein a first circuit and a second circuit are formed in the circuit board assembly, one end of the first circuit is connected to the first conductive terminal, and the second circuit One end of the first circuit is connected to the second conductive terminal, and the other end of the first circuit is coupled to the other end of the second circuit through the magnetic core.
The Ethernet plug connector according to claim 1, wherein the Ethernet plug connector further comprises an electronic component, the second pin is connected to the second conductive terminal in the part, and the electronic component is connected to the second conductive terminal in the other part. the second conductive terminal.
The Ethernet plug connector according to claim 4, wherein the electronic components include capacitors, resistors, inductors or control chips, and the electronic components and the second pins are arranged on the same part of the circuit board assembly side surface.
The Ethernet plug connector according to claim 4, wherein the packaging shell includes a plastic shell and a shielding shell, an accommodating space is formed in the plastic shell, and the circuit board assembly is arranged in the accommodating space ; The shielding shell is sheathed outside the plastic casing, and includes a connecting portion electrically connected to the circuit board assembly.
The Ethernet plug connector according to claim 6, wherein the plastic casing is formed with an opening to expose the second pin, the electronic component and part of the first pin.
The Ethernet plug connector according to claim 7, wherein the first pin is a bent structure, including a first bent section and a second bent section, and one end of the first bent section is connected to the The first conductive terminal, the other end of the first bending section is connected to one end of the second bending section, the second bending section is set at a preset angle with the first bending section, the The first bent section is disposed in the plastic package, and the second bent section is exposed in the accommodating space or outside the plastic package.
The Ethernet plug connector of claim 1, wherein,

The first pin is a bent structure, including a first bent section and a second bent section, one end of the first bent section is connected to the first conductive terminal, and the other end of the first bent section One end is connected to one end of the second bending section, and the second bending section is set at a preset angle with the first bending section.
The Ethernet plug connector according to claim 9, wherein the preset angle is an acute angle.
The Ethernet plug connector according to claim 10, wherein the range of the preset angle is 10-45 degrees.
The Ethernet plug connector according to claim 9, wherein the first bending section and the second bending section are both rectangular parallelepiped columns.
The Ethernet plug connector according to claim 9, wherein the first bending section adopts a bending structure.
The Ethernet plug connector according to claim 9, wherein the second pin adopts a bent structure.
The Ethernet plug connector according to claim 9, wherein the surface of the second bent section away from the first bent section is a plane.
The Ethernet plug connector of claim 1, wherein,

The packaging case includes a plastic packaging case and a shielding case, an accommodating space is formed in the plastic packaging case, and the circuit board assembly is arranged in the accommodating space; the shielding case is sleeved outside the plastic packaging case, and It includes a connecting portion electrically connected with the circuit board assembly.
The Ethernet plug connector according to claim 16, wherein the plastic casing is formed with an opening to expose the second pin, the electronic component and a part of the first pin.
A manufacturing method of an Ethernet plug connector, comprising:

Obtain the circuit board assembly, embed the magnetic core, make the circuit, and leave the first conductive terminal and the second conductive terminal;

obtaining a first pin and a second pin, wherein the first pin is connected to the first conductive terminal, and the second pin is connected to the second conductive terminal;

Obtain an encapsulation shell, enclose the circuit board assembly, and expose part of the first pin and the second pin.
The manufacturing method of the Ethernet plug connector according to claim 18, wherein the circuit board assembly further comprises an electronic component, and the electronic component connects part of the second conductive terminal.
The manufacturing method of the Ethernet plug connector according to claim 18, wherein,

The circuit board assembly includes three layers of circuit boards, each circuit board is stacked in sequence, the magnetic core is embedded in the second layer of circuit board, and the positions on both sides of the corresponding magnetic core are in the first layer of circuit board and the third layer of circuit board A first circuit and a second circuit are provided, the first circuit and the second circuit are coupled through the magnetic core, and are respectively connected to the first conductive terminal and the second conductive terminal.