WO2021037068A1

WO2021037068A1 - Connector and electronic device

Info

Publication number: WO2021037068A1
Application number: PCT/CN2020/111423
Authority: WO
Inventors: 徐扣; 鲁向前; 汪泽文; 颜波
Original assignee: 华为技术有限公司
Priority date: 2019-08-30
Filing date: 2020-08-26
Publication date: 2021-03-04
Also published as: CN210866667U

Abstract

The present application provides a connector and an electronic device, for reducing crosstalk between signals and improving data transmission rate and transmission quality. The connector comprises a terminal assembly, housings, and a plurality of conductive parts, wherein the terminal assembly comprises at least one terminal module stacked in a first direction, each terminal module comprising a plurality of insulators extending in a second direction and arranged at intervals, the plurality of insulators of at least one terminal module being located opposite to each other, and each insulator being provided with a signal terminal; the housings comprise a first housing and a second housing respectively arranged on two sides of the terminal assembly; and the conductive parts extend in the second direction, the conductive parts being staggered with the insulators of the at least one terminal module, each conductive part comprising a first side and a second side in the first direction, the first side being electrically connected to the first housing, the second side being electrically connected to the second housing, and each conductive part being grounded with one of the housings.

Description

Connector and electronic equipment

This application claims the priority of a Chinese patent application filed with the State Intellectual Property Office, the application number is 201921442326.4, and the application name is "a connector and electronic equipment" on August 30, 2019. The entire content of this application is incorporated into this application by reference. in.

Technical field

This application relates to the technical field of electronic equipment, and in particular to a connector and electronic equipment.

Background technique

High-speed connectors are widely used in information and communication technology. They are commonly used in large-scale communication equipment, ultra-high-performance servers and supercomputers, industrial computers, and high-end storage devices. Their main function is to connect single boards and backplanes, and High-speed differential signals or single-ended signals and large currents are transferred between them. With the continuous improvement of communication technology, the requirements for data transmission rate and transmission quality are getting higher and higher. At present, due to the limitations of various structures in the connector, crosstalk between signals is more serious and affects the data. Transmission rate and transmission quality.

Summary of the invention

This application provides a connector and electronic equipment to reduce crosstalk between signals and improve data transmission rate and transmission quality.

In the first aspect, the present application provides a connector that includes a terminal module, a housing, and a plurality of conductive parts, wherein the terminal module is used for signal transmission, and the housing and the conductive parts cooperate for Realize the isolation of the signal. When specifically arranged, the terminal module includes at least one terminal module, the at least one terminal module can be stacked in a first direction, and each terminal module includes a plurality of insulators, the plurality of insulators all extend in the second direction and are spaced apart from each other , The multiple insulators of at least one terminal module are positioned opposite each other, and each insulator is provided with a signal terminal; the housing includes a first housing and a second housing, and the first housing is provided on one side of the terminal module along the first direction. Side, the second housing is arranged on the other side of the terminal module along the first direction; the conductive elements also extend in the second direction and are alternately arranged with the insulators of the at least one terminal module. Along the first direction, each conductive element It includes a first side and a second side, where the first side can be electrically connected to the first housing, and the second side can be electrically connected to the second housing, so that the signal terminals in each insulator can be isolated. Or when the shell is grounded, the signal terminal can be fully shielded.

The connector provided by the embodiment of the present application can achieve a 360-degree full shielding effect on the signal terminals in the terminal module through the cooperation of the conductive member and the housing, thereby improving the data transmission rate and transmission quality.

During the specific arrangement, the insulator may be an injection-molded colloidal structure, and the multiple insulators of the terminal module may adopt an integral molding design.

When the number of the terminal module is one, the conductive element can be a ground terminal, and the ground terminal can be connected to the adjacent insulator. At this time, the ground terminal can be the terminal module's own terminal structure, and there is no need to provide other conductive parts. The structure can realize full shielding of signal terminals.

When the number of terminal modules is two, the connector further includes a conductive plate, which is arranged between the two terminal modules and includes a plurality of first sub-boards and a plurality of second sub-boards alternately arranged, wherein the first One sub-board is opposite to the insulators of the terminal modules on both sides, and the second sub-board is at the wrong position with the insulators of the terminal modules on both sides. At this time, the second sub-board can be used as a conductive element; in order to achieve the shielding effect, The first housing and the second housing are respectively grounded.

In order to achieve conductive contact between the conductive plate and the first housing and the second housing, in a specific embodiment, grooves are respectively provided on both sides of the first sub-board, and the depth of the grooves is not less than that of the insulator When the insulators on both sides are arranged in the corresponding grooves, the two sides of the second sub-board can extend beyond the insulator and contact the first shell and the second shell.

In another specific embodiment, the first housing and the second housing can also be designed as a concave-convex structure. Specifically, the first housing corresponding to the first sub-board is provided with a first avoiding convex for avoiding the insulator. Therefore, the second housing corresponding to the second sub-board is provided with a second avoiding protrusion for avoiding the insulator, and the depth of the two avoiding protrusions is also not less than the thickness of the insulator, so that each of the terminal modules on both sides When the insulators are respectively arranged in the corresponding avoiding protrusions, the two sides of the second sub-board can respectively contact the first shell and the second shell.

Of course, in other embodiments, on the basis of opening grooves on both sides of the first sub-board, the first shell and the second shell can be designed with concave and convex at the same time. At this time, it is only necessary to ensure that the depth of the groove and the It is sufficient that the sum of the depths of the avoiding protrusions is not less than the thickness of the insulator.

When the first shell or the second shell is provided with protrusions, the first shell and the second shell can be formed by stamping or metal injection molding.

When the first housing is grounded, along the second direction, one end of the first housing corresponding to the second sub-board is provided with a first pin, and the first pin can be used to connect to the ground of the circuit board. Connection; when the second housing is grounded, along the second direction, a second pin is provided at one end of the second housing corresponding to the second sub-board, and the second pin can be used to connect to the ground of the circuit board Wire electrical connection.

In addition, the first housing and the second housing may also be provided with connection terminals for electrical connection with other connectors. Specifically, along the second direction, the other end of the first housing corresponding to the second sub-board has The first connection terminal, the first connection terminal can be used to electrically connect with other connectors; the other end of the second shell corresponding to the second sub-board is provided with a second connection terminal, and the second connection terminal is used to connect with other connectors. The connector is electrically connected.

In a specific embodiment, the signal terminal in the insulator is a single-ended signal terminal. In this case, the connector can realize the shielding of the single-ended signal.

In another specific embodiment, the signal terminals in the insulator are differential signal terminals arranged in pairs. At this time, the connector can realize the shielding of the differential signal.

In the second aspect, the present application also provides an electronic device, the electronic device includes the connector in any possible implementation of the above-mentioned first aspect, the connector can be used to transfer between the circuit board of the electronic device and other functional modules Signal to improve the data transmission rate and transmission quality.

Description of the drawings

FIG. 1 is a schematic diagram of a cross-sectional structure of a connector according to an embodiment of the application;

Figure 2 is a schematic diagram of the exploded structure of the connector in the embodiment of Figure 1;

Figure 3 is a schematic diagram of the shielding of the signal terminal in the embodiment of Figure 1;

4 is a schematic diagram of a cross-sectional structure of a connector according to another embodiment of the application;

Figure 5 is a schematic diagram of the exploded structure of the connector in the embodiment of Figure 4;

Figure 6 is a schematic diagram of the assembly structure of the connector in the embodiment of Figure 4;

Fig. 7 is a schematic structural diagram of the first housing of the connector in the embodiment of Fig. 4;

Fig. 8 is a schematic diagram of the shielding of the signal terminal in the embodiment of Fig. 4;

FIG. 9 is a schematic diagram of a cross-sectional structure of a connector according to another embodiment of the application;

FIG. 10 is a schematic diagram of the shielding of the signal terminal in the embodiment of FIG. 9;

11 is a schematic diagram of a cross-sectional structure of a connector according to another embodiment of the application;

Figure 12 is a schematic diagram of the exploded structure of the connector in the embodiment of Figure 11;

Fig. 13 is a schematic diagram of the shielding of the signal terminal in the embodiment of Fig. 11.

detailed description

In order to make the purpose, technical solutions, and advantages of the application more clear, the application will be further described in detail below with reference to the accompanying drawings.

In order to facilitate the understanding of the connector provided in the embodiment of the present application, the following first describes its application scenario. The connector can be used in electronic equipment to transmit high-speed differential signals or single-ended signals and to transmit large currents. The electronic equipment can be communication equipment, servers, supercomputers or routers, switches and other equipment in the prior art. With the continuous improvement of communication technology, the requirements for data transmission rate and transmission quality are getting higher and higher, which requires further reduction of crosstalk between signals. Based on this, an embodiment of the present application provides a connector. The signal terminal can be fully shielded 360 degrees, which can improve the data transmission rate and transmission quality.

The connector provided by the embodiment of the present application includes a terminal module, a housing, and a plurality of conductive parts. The terminal module is used to realize signal transmission, and the housing and conductive parts are used to realize isolation between signals. As shown in FIG. 1, the terminal module 10 includes a terminal module 11. When specifically configured, the number of the terminal module 11 can be one or two. When the number of the terminal module 11 is two, the two terminal modules 11 can be The first direction (that is, the x direction) is stacked and arranged. The terminal module 11 includes a plurality of insulators 12, the plurality of insulators 12 all extend in the second direction (ie, the y direction), and the insulators 12 are arranged at intervals, and the signal terminals 13 for transmitting signals are wrapped in the insulator 12 . Among them, the insulator 12 may be an injection-molded gel structure, and the multiple insulators 12 of the terminal module 11 may adopt an integral molding design to simplify the manufacturing process of the terminal module 11. At this time, the 12 insulators can be referred to as shown in FIG. 2 As shown, the intermediate colloid 14 is used to realize the interconnection. In addition, when the two terminal modules 11 are stacked and arranged, the respective insulators 12 of the two terminal modules 11 are positioned opposite to each other. In addition, along the second direction, both ends of the signal terminal 13 respectively extend beyond the ends of the insulator 12 to realize the connection with the circuit board and other connectors. Specifically, one end of the signal terminal 13 has a fisheye pin 15 for electrical connection with a circuit board, and the other end has an elastic arm 16 for electrical connection with other connectors.

It should be noted that, in the embodiment of the present application, the signal terminal 13 in the insulator 12 can be either a single-ended signal terminal or a pair of differential signal terminals. Therefore, the connector provided in the embodiment of the present application can be To realize the shielding of single-ended signals, it can also realize the shielding of differential signals.

When setting the housing, please refer to Figures 1 and 2. The housing 20 includes a first housing 21 and a second housing 22, wherein the first housing 21 is arranged on the terminal module 10 along the first direction ( That is, on one side of the x direction), the second housing 22 is disposed on the other side of the terminal module 10 along the first direction, so that the terminal module 10 is sandwiched between the first housing 21 and the second housing 22 between.

Please continue to refer to FIG. 2, the conductive member 30 also extends along the above-mentioned second direction. The conductive member 30 is alternately arranged with a plurality of insulators 12 of the terminal module 11, that is, a conductive member 12 is provided between every two adjacent insulators 12 To isolate two adjacent insulators 12, of course, for the outermost insulator 12, the side of the insulator 12 away from other insulators 12 can also be provided with a conductive member 30 to further improve the shielding effect. Along the first direction, the conductive member 30 includes a first side 31 and a second side 32, wherein the first side 31 is in conductive contact with the first housing 21 to form an electrical connection, and the second side 32 is in conductive contact with the second housing 22 To form an electrical connection.

When the terminal module 10 includes only one terminal module 11, referring to FIGS. 1 and 2, in an embodiment of the present application, the conductive member 30 may be a ground terminal 33. At this time, in the second direction, the ground terminal One end of 33 is provided with a fisheye pin 15 for electrical connection of the ground wire of the circuit board, and the other end may be provided with an elastic arm 16 electrically connected to the ground terminal of other connectors. Taking a pair of differential wire numbers in each insulator as an example, FIG. 3 is a schematic diagram of the shielding of the differential signal terminals in this embodiment. It can be seen that the ground terminal 33 is connected to the first housing 21 at both ends of the terminal module 10. Conductive contact with the second housing 22 can form a 360-degree shielding effect on the signal terminals 13 in each insulator 12, thereby greatly reducing crosstalk between signals and improving data transmission rate and transmission quality. In addition, in order to ensure the reliability of the electrical connection between the ground terminal 33 and the first housing 21 and the second housing 22, both sides of the ground terminal 33 may be fixedly connected to the first housing 21 and the second housing 22, respectively. In the specific setting, the connection structure can be used to realize the connection, or the ground terminal 33 can be welded and fixed to the first housing 21 and the second housing 22 by laser welding.

In the above embodiment, in order to facilitate the conductive contact between the ground terminal 33 and the first housing 21 and the second housing 22, the first housing 21 and the second housing 22 may be designed as a concave-convex structure. For example, in the embodiment shown in FIGS. 1 and 2, the cross section of the ground terminal 33 is in the shape of a "several". At this time, for the first housing 21, the portion of the first housing 21 corresponding to the ground terminal 33 may be The back of the ground terminal 33 protrudes to make conductive contact with the first side 31 of the "several"-shaped ground terminal 33. For the second housing 22, the part of the second housing 22 corresponding to the ground terminal 33 can protrude toward the ground terminal 33 , So as to make conductive contact with the second side 32 of the "several"-shaped ground terminal 33. In this solution, when the first housing 21 and the second housing 22 are manufactured, a stamping or metal injection molding process can be used to form a concave-convex structure design between the two, which is not specifically limited in this application.

When the terminal module 10 includes two terminal modules 11, as shown in FIG. 4, in the embodiment of the present application, the connector further includes a conductive plate 40, the conductive plate 40 is located between the two terminal modules 11, including alternately arranged A plurality of first sub-boards 41 and a plurality of second sub-boards 42 of the first sub-board 41, wherein the first sub-board 41 is the part of the conductive plate 40 that is opposite to the insulators 12 on both sides. It can be understood that the second sub-board 42 is The position of the conductive plate 40 and the insulators 12 on both sides are staggered. At this time, the second sub-board 42 can be formed as the conductive member 30 in the embodiment of the present application.

In the foregoing embodiment, in order to facilitate conductive contact between the conductive plate 40 and the first housing 21 and the second housing 22, referring to FIG. 5, in an embodiment of the present application, the first sub-board may be Grooves 43 are provided on both sides of 41, and the depth of the groove 43 should not be less than the thickness of the insulator 12. In this way, when the insulators 12 of the terminal modules 11 on both sides are embedded in the corresponding grooves 43, the first The two sub-boards 42 can be flush with the surface of the insulator 12 or even exceed the surface of the insulator 12, so that both sides of the second sub-board 41 can be in contact with the first housing 21 and the second housing 22 respectively.

In another embodiment of the present application, the first housing 21 and the second housing 22 can also be designed as a concave-convex structure. Specifically, referring to FIGS. 4 and 6, the first housing 21 corresponds to the first sub The position of the plate 41 is provided with a first avoiding protrusion 23 for avoiding the insulator 12 on one side, and the second housing 22 is provided with a second avoiding protrusion 23 for avoiding the insulator 12 on the other side at a position corresponding to the first sub-board 41. From 24, the depth of the two avoiding protrusions should be no less than the thickness of the insulator 12. In this way, when the insulators 12 of the terminal modules 11 on both sides are respectively arranged in the corresponding avoiding protrusions, the second sub-board can be guaranteed Both sides of 42 can be in contact with the first housing 21 and the second housing 22 respectively. In this solution, when manufacturing the first housing 21 and the second housing 22, stamping or metal injection molding can be specifically used to form a concave-convex structure design between them.

It is understandable that in other embodiments of the present application, on the basis of opening grooves on both sides of the first sub-board, the first shell and the second shell can be designed with concave and convex at the same time. In this case, it is only necessary to ensure that the concave The sum of the depth of the groove and the depth of the avoiding protrusion should not be less than the thickness of the insulator, which will not be repeated here.

In the embodiment of the present application, the conductive plate 40 may be specifically made of conductive plastic, electroplated plastic, or conductive metal, which is not limited in the present application. In order to ensure the reliability of the electrical connection between the conductive plate 40 and the first housing 21 and the second housing 22, the second sub-board 42 of the conductive plate 40 can be connected to the first housing 21 and the second housing 22, respectively. Fixed connection. For example, when the conductive plate 40 is made of conductive glue or electroplated plastic material, the second sub-board 42 can be directly bonded to the first housing 21 and the second housing 22 through a conductive glue to achieve electrical conduction; When 40 is made of a metal material, the second sub-board 42 can be welded to the first housing 21 and the second housing 22 by means of laser welding, respectively, to achieve electrical conduction. In addition, in order to accurately align the housing, the conductive plate 40, and the terminal modules 11 on both sides, as shown in FIGS. 4 and 6, in the embodiment of the present application, the first housing 21 and the second housing 22 are Positioning holes (not shown in the figure) are also respectively opened, and each insulator 12 is provided with positioning posts 17 that match the positioning holes. In this way, each component can be accurately positioned during assembly, thereby further ensuring A reliable shielding effect is formed for the signal terminals 13 of the terminal modules on both sides.

Similarly, for ease of implementation, the embodiment of the present application can achieve the shielding effect by grounding the housing. Specifically, referring to FIGS. 5 and 7, along the second direction, the first housing 21 corresponds to the second sub One end of the part of the board 42 is provided with a first pin 25, and the first pin 25 is used for electrical connection with the ground of the circuit board. The second housing 22 is provided with a first pin 25 at one end of the portion corresponding to the second sub-board 42. Two pins 26, the second pins 26 are also used for electrical connection with the ground wire of the circuit board, so that a 360-degree shielding effect can be achieved for the signal terminals in each insulator 12 of the two terminal modules 11; In the specific configuration, the first pin 25 and the second pin 26 may also adopt the form of fisheye needles in the foregoing embodiment.

Of course, the first housing 21 and the second housing 22 may also be provided with connection terminals for electrical connection with other connectors. Please continue to refer to Figures 5 and 7, along the second direction, the other end of the portion of the first housing 21 corresponding to the second sub-board 42 is provided with a first connection terminal 27, and similarly, the second housing 22 The other end of the part corresponding to the second sub-board 42 is provided with a second connecting terminal 28, through which the interconnection with the shielding shells of other connectors can be realized; in the specific setting, the first connecting terminal 27 and The second connecting terminal 28 may also take the form of the elastic arm in the foregoing embodiment.

It should be noted that the above embodiment is described by taking the signal terminal provided in the insulator as a single-ended signal terminal as an example. At this time, the principle diagram of shielding the single-ended signal can be specifically referred to as shown in FIG. 8; when the insulator is When it is a differential signal terminal, as shown in FIG. 9, the various components of the connector can still adopt the structure in the above embodiment. At this time, the principle diagram of shielding the differential signal can be specifically referred to as shown in FIG. 10.

In the foregoing embodiment solutions, the two terminal modules 11 can be respectively carried on the conductive plate 40, so that the structural strength of the connector can be improved. Moreover, in this solution, the two terminal modules 11 can share a conductive plate 40. If the conductive plate 40 is also regarded as a housing structure, then the solution uses the first housing 21, the second housing 22 and the conductive The three shell structures of the board 40 can achieve a 360-degree shielding effect on the signal terminals in each insulator 12 of the two terminal modules 11, thereby reducing the shielding on one side and helping to improve the signal row in the connector. The density of the cloth.

In addition, when the terminal module includes two terminal modules, the conductive member 30 can also be arranged in the strip structure shown in FIG. 11 and FIG. 12, and the conductive member 30 of the strip structure can be formed by two of the upper terminal module 11 The insulators 12 extend to between the two insulators 12 corresponding to the lower terminal module 11, that is to say, the two terminal modules 11 in this solution can be in direct contact, and each conductive member 30 is set independently. For the shielding principle diagram, please refer to the figure 13 shown. The solution of this embodiment can reduce the thickness of the connector, so that it can be used in electronic equipment with a relatively constrained installation space. Similarly, the conductive member 30 in this embodiment can also be made of conductive plastic, electroplated plastic, or conductive metal, and the details are not repeated here.

In summary, the connector provided by the embodiment of the present application can achieve a 360-degree full shielding effect on the signal terminals in the terminal module through the cooperation of the conductive member and the housing, thereby improving the data transmission rate and transmission quality.

The embodiment of the present application also provides an electronic device using the connector in the above-mentioned embodiment. The electronic device may be a communication device, server, supercomputer, router, switch, etc. in the prior art. Among them, the above-mentioned embodiment The connector provided in can be used to transfer signals between the circuit board of the electronic device and other functional modules to improve the data transmission rate and transmission quality.

The above are only specific implementations of this application, but the scope of protection of this application is not limited to this. Any person skilled in the art can easily conceive of changes or substitutions within the technical scope disclosed in this application, which shall cover Within the scope of protection of this application. Therefore, the protection scope of this application should be subject to the protection scope of the claims.

Claims

A connector, which is characterized by comprising a terminal module, a housing and a plurality of conductive parts, wherein:

The terminal module includes at least one terminal module stacked in a first direction, each of the terminal modules includes a plurality of insulators extending in a second direction and arranged at intervals, and a plurality of the insulators of at least one of the terminal modules The respective positions are opposite, and each of the insulators is provided with a signal terminal;

The housing includes a first housing and a second housing respectively arranged on both sides of the terminal module;

The conductive member extends along the second direction, and the conductive member is alternately arranged with at least one of the insulators of the terminal module. Along the first direction, the conductive member includes a first side and a second side , The first side is electrically connected with the first housing, and the second side is electrically connected with the second housing;

The conductive member and one of the shells are grounded.
The connector according to claim 1, wherein the number of the terminal module is one;

The conductive member is a ground terminal, and each ground terminal is connected to the adjacent insulator.
The connector according to claim 1, wherein the number of said terminal modules is two;

The connector further includes a conductive plate disposed between the two terminal modules, the conductive plate includes a plurality of first sub-boards and a plurality of second sub-boards alternately arranged, the first sub-board and the two The positions of the insulators on the sides are opposite, and the second sub-board is staggered with the positions of the insulators on both sides;

The second sub-board is formed as the conductive member, and the first housing and the second housing are respectively grounded.
The connector according to claim 3, wherein grooves are respectively provided on both sides of the first sub-board, and each of the insulators of the two terminal modules are arranged in the corresponding grooves, and Both sides of the second sub-board respectively extend beyond the insulator.
The connector according to claim 3, wherein a position on the first housing corresponding to the first sub-board has a first avoiding protrusion for avoiding the insulator, and the second housing corresponds to The position of the first sub-board has a second avoiding protrusion for avoiding the insulator.
The connector of claim 3, wherein, along the second direction, a first pin is provided at one end of the first housing corresponding to the second sub-board, and the first The pin is used for electrical connection with the ground wire of the circuit board;

Along the second direction, a second pin is provided at one end of the second housing corresponding to the second sub-board, and the second pin is electrically connected to the ground wire of the circuit board.
The connector according to claim 6, wherein along the second direction, the other end of the portion of the first housing corresponding to the second sub-board has a first connection terminal, and the first The connecting terminal is used for electrical connection with other connectors;

Along the second direction, a second connecting terminal is provided at the other end of the part of the second housing corresponding to the second sub-board, and the second connecting terminal is used for electrical connection with other connectors.
The connector according to any one of claims 1 to 7, wherein the signal terminal is a single-ended signal terminal, and each of the insulators is provided with one single-ended signal terminal.
The connector according to any one of claims 1 to 7, wherein the signal terminal is a differential signal terminal, and a pair of the differential signal terminal is provided in each of the insulators.
An electronic device, characterized by comprising the connector according to any one of claims 1-9.