CN109755779B - Socket electric connector and communication equipment - Google Patents
Socket electric connector and communication equipment Download PDFInfo
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- CN109755779B CN109755779B CN201811444798.3A CN201811444798A CN109755779B CN 109755779 B CN109755779 B CN 109755779B CN 201811444798 A CN201811444798 A CN 201811444798A CN 109755779 B CN109755779 B CN 109755779B
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Abstract
The application relates to a socket electric connector and communication equipment, comprising a base, a first wall, a second wall and a plurality of pins; the base, the first wall and the second wall form an accommodating cavity; a plurality of pins are arranged on the base; at least one wall in first wall and the second wall is close to the one side of acceping the chamber and is provided with the direction boss of at least two sets of co-altitude not, and wherein, every group direction boss is used for acceping a plug connector and accepts the chamber and lead when being connected with the stitch. The application sets up the direction boss of co-altitude not only can connect the great new plug connector of width, can connect narrower old plug connector again.
Description
Technical Field
The present invention relates to the field of Printed Circuit Boards (PCBs), and more particularly, to an electrical receptacle connector.
Background
At present, most of communication equipment systems use a PCB interconnection architecture, as shown in fig. 1, the communication equipment systems can be divided into daughter cards and backplane according to functions, and the daughter cards are connected with the daughter cards or the backplane is connected with the backplane through connectors. As shown in fig. 2, in order to pursue higher density, the device sub-card pitch requirement is as small as possible, the size of the corresponding connector in the direction 1 is as small as possible, the direction 1 is perpendicular to the sub-card direction, differential signal single-side backflow before the signal rate is 10Gbps does not cause severe influence, GND (ground potential) missing design is adopted in some positions of the outermost side of the direction 1 of many connectors, but with the increase of the signal rate, especially for the rate of more than 25Gbps, the differential signal single-side backflow causes serious crosstalk degradation, and the application requirement cannot be met. The prior art has added additional ground terminals on the connector pins by increasing the size of the connector.
As shown in fig. 3, the size of the accommodating cavity of the insulating housing of the new connector is increased, and when the accommodating cavity is matched with the connector on the other side, an interfitting gap is formed. Resulting in complete loss of the guiding and limiting functions on at least one side of the plug connector and failure to be forward compatible.
Content of application
The purpose of the embodiment of the application is to solve the problem of single-side backflow of differential signals of a high-speed connector and simultaneously to be compatible with an old-version connector.
In a first aspect the present application provides an electrical receptacle connector comprising: the device comprises a base, a first wall, a second wall and a plurality of pins; the base, the first wall and the second wall form an accommodating cavity; a plurality of pins are arranged on the base; at least one wall in first wall and the second wall is close to the one side of acceping the chamber and is provided with the direction boss of at least two sets of co-altitude not, and wherein, every group direction boss is used for acceping a plug connector and accepts the chamber and lead when being connected with the stitch. The guide bosses with different heights are arranged, so that not only can a new plug connector with larger width be connected, but also an old plug connector with narrower width can be connected.
In a possible embodiment, the difference between the height of the guide projection with the largest height and the height of the guide projection with the smallest height in at least two groups of guide projections with different heights is greater than or equal to 0.4 mm.
In a possible embodiment, at least one of the first wall and the second wall is provided with three sets of guide bosses with different heights on the side close to the containing cavity. Three groups of guiding bosses with different heights can be used for guiding and connecting three plug connectors with different widths.
In one possible embodiment, the plurality of pins includes a plurality of ground pins and a plurality of signal pins, the first contact areas of the plurality of ground pins and the first contact areas of the plurality of signal pins are connected to the plug connector, the second contact areas of the plurality of ground pins and the second contact areas of the plurality of signal pins are connected to the PCB, and the first contact areas of the plurality of ground pins and the first contact areas of the plurality of signal pins are located in the receiving cavity. The first contact area may be connected to the plug connector and the second contact area may be connected to the backplane.
In one possible embodiment, two signal pins are disposed between each two ground pins in the plurality of pin columns.
In one possible embodiment, the plurality of pin columns are equally spaced.
In one possible embodiment, the spacing between the plurality of rows of pins is 1.8-2.0 millimeters.
In a possible implementation manner, when at least two sets of guide bosses only include two sets of guide bosses, the receptacle electrical connector is used for being connected with the first plug connector and the second plug connector respectively, a difference between the first plug connector and the second plug connector is greater than or equal to 0.4 mm, a width of the first plug connector is smaller than that of the second plug connector, when the receptacle electrical connector is connected with the first plug connector, a part of the ground pins in the plurality of ground pins are connected with the first plug connector, and a part of the ground pins in the plurality of ground pins, which are close to the guide bosses, are not connected with the first plug connector; when the socket electric connector is connected with the second plug connector, the plurality of grounding pins are connected with the second plug connector. This embodiment can connect plug connectors of different widths.
In a possible embodiment, when the at least two sets of guide bosses only include two sets of guide bosses, the receptacle electrical connector is configured to be connected with the first plug connector and the second plug connector respectively, a difference between the first plug connector and the second plug connector is greater than or equal to 0.4 mm, and a width of the first plug connector is smaller than that of the second plug connector; when the socket electric connector is connected with the first plug connector, part of the grounding pins in the grounding pins are connected with the first plug connector, and the grounding pins which are arranged in the grounding pins and close to the structure protrusions in the grounding pins are not connected with the first plug connector; when the socket electric connector is connected with the second plug connector, the plurality of grounding pins are connected with the second plug connector.
In a second aspect, an embodiment of the present application provides a communication device, where the system includes the receptacle electrical connector of the first aspect, a plug connector, a first printed circuit board PCB, and a second PCB, where the receptacle electrical connector is connected to the first printed circuit board PCB, and the receptacle electrical connector is connected to the second PCB through the plug connector.
In one possible embodiment, the communication device includes a router, a switch, a server, an optical transport network OTN and a packet transport network PTN, and the second PCB includes a switch board and a service board.
Drawings
FIG. 1 is a schematic diagram of a connector application scenario;
FIG. 2 is a schematic of a reflux deletion design;
FIG. 3 is a schematic diagram of a prior art solution defect by increasing the dimension in direction 1;
fig. 4 is a schematic structural diagram of a receptacle connector according to an embodiment of the present disclosure;
FIG. 5 is a top view of FIG. 4;
fig. 6 is a schematic structural diagram of a signal pin and a ground pin according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of two plug connectors to which the receptacle electrical connector of FIG. 4 may be connected;
FIG. 8 is an illustration of the mating of the receptacle connector of FIG. 4 with the plug connector of FIG. 7;
fig. 9 is a schematic top view of a receptacle connector according to an embodiment of the present application;
fig. 10 is a schematic diagram of a system implementation provided in an embodiment of the present application.
Detailed Description
The application provides a socket electric connector is through setting up two sets of at least direction bosss of highly difference in acceping the chamber, can ensure that the plug connector of different width can return and insert new system.
In one example, an embodiment of the present application is directed to a receptacle electrical connector comprising a base, a first wall, a second wall, and a plurality of pins; the base, the first wall and the second wall form an accommodating cavity; a plurality of pins are arranged on the base; at least one wall in first wall and the second wall is close to the one side of acceping the chamber and is provided with the direction boss of at least two sets of co-altitude not, and wherein, every group direction boss is used for acceping a plug connector and accepts the chamber and lead when being connected with the stitch. The guide bosses with different heights are arranged, so that not only can a new plug connector with larger width be connected, but also an old plug connector with narrower width can be connected.
In one example, the wall corresponds to a baffle for forming a receiving cavity with the base to confine the plug connector within the receiving cavity.
In one example, the difference in height between the guide bosses with the largest height and the guide bosses with the smallest height in the at least two sets of guide bosses is greater than or equal to 0.4 mm.
In one example, the base, the first wall, and the second wall are injection molded from Liquid Crystal Polymer (LCP).
Fig. 4 is a schematic structural diagram of a receptacle connector according to an embodiment of the present invention, as shown in fig. 4, the receptacle connector includes a base 612, two walls 611, a plurality of ground pins 620, and a plurality of signal pins 630, wherein the base 612 and the two walls form a receiving cavity 640, which is a space for receiving a plug connector; a plurality of ground pins 620, a plurality of signal pins 630 disposed on the base 612; one side of one of the walls 611 close to the accommodating cavity is provided with two groups of guide bosses with different heights: a guiding projection 613 and a guiding projection 614, wherein each group of guiding projections is used for guiding a plug connector when entering the receiving cavity and being connected with the pins. Wherein, the height of direction boss is the height that the wall that the direction boss is perpendicular to was located.
It should be understood that only one wall 611 has the guiding projection in fig. 4 is an example, and at least two kinds of guiding projections with different heights may be simultaneously disposed on the other wall 611 according to design requirements. Because the guiding boss plays a guiding role when being connected with the plug connector, the effect of guiding the plug connectors with different widths can be achieved as long as the height difference of the guiding boss on the same wall meets the first threshold value, and the first threshold value to be achieved by the height difference can be changed according to the actual design requirement.
In one example, the first wall has guide bosses of 3 heights, the guide boss of the largest height being H mm, and the other two guide bosses may have heights of (H-0.1) mm, (H-0.5) mm, or (H-0.5) mm, (H-1) mm. The socket electric connector can be connected with 3 widths of plug connectors corresponding to the guide bosses with 3 heights.
In one example, the guide ledge 614 in fig. 4 is 1.3 millimeters higher than the guide ledge 613.
Fig. 5 is a schematic top view of fig. 4, and as shown in fig. 6, a plurality of ground pins 620 and a plurality of signal pins 630 are arranged in a plurality of pin rows 700 in a direction 1, each pin row 700 may correspond to one guide boss 613 or one guide boss 614 and is perpendicular to a wall 611 where the guide bosses are arranged, wherein the pins in each pin row 700 near the guide bosses are arranged as ground pins 620, and 2 signal pins 630 are arranged between every 2 adjacent ground pins 620 in each pin row 700.
It should be understood that the ground pins 620 and the signal pins 630 are connected to the plug connector, so the arrangement of the ground pins 620 and the signal pins 630 is determined by the plug connector to be connected, and the arrangement of the guide bosses corresponding to the pin rows is also determined by the plug connector to be connected.
In one example, the plurality of pin columns are equally spaced.
In one example, the distance between the plurality of pin columns is 1.8-2.0 millimeters.
In one example, the rows of pins are equally spaced, with a pitch of 1.9 millimeters.
Fig. 6 is a schematic structural diagram of a signal pin and a ground pin according to an embodiment of the present invention, as shown in fig. 7, each ground pin 620 includes a first contact area 621, an intermediate portion 622, and a second contact area 623. The middle portion 622 of the ground pin is located between the first contact area 621 and the second contact area 623. Each signal pin 630 includes a first contact area 631, an intermediate portion 632, and a second contact area 633, the intermediate portion 632 of the signal pin 630 being located between the first contact area 631 and the second contact area 633. Corresponding to the base 612 in fig. 5, the first contact area 621 of the ground pin 620 and the first contact area 631 of the signal pin 630 are both located on a side of the base 612 near the receiving cavity; the second contact areas 623 and 633 of the ground pins 620 and the signal pins 630 are located on the side of the base 612 of the accommodating cavity away from the accommodating cavity; the intermediate portions 622 of the ground pins 620 and the intermediate portions 632 of the signal pins 630 are all located within the base 612.
In one example, as shown in fig. 4 and 7, one receptacle electrical connector 600 may be interfitting with one header connector 200 or header connector 300, wherein the width of the header connector 200 in direction 1 is 13 mm and the width of the header connector 300 in direction 1 is 14 mm, when the receptacle electrical connector 600 is interfitting with the header connector 200, the guiding projections 614 are used for interfitting guidance, and when the receptacle electrical connector 600 is interfitting with the header connector 300, the guiding projections 613 are used for interfitting guidance, wherein direction 1 is a direction perpendicular to the first wall 611 and direction 2 is a direction parallel to the first wall 611.
Fig. 8 is a schematic view of the socket electrical connector 600 shown in fig. 4 and 7 and the first plug connector 200 and the second plug connector 300.
In the above example, as shown in fig. 8 and 9, when the receptacle electrical connector 600 is mated with the first header connector 200, the ground pins 620 near the structure projection guides 613 are located outside the first header connector 200 and do not participate in the mating contact, and when the receptacle electrical connector 600 is mated with the second header connector 300, the ground pins 620 near the guide projections 613 participate in the mating connection and are grounded, improving the signal quality.
It should be understood that a third wall, or two walls, may be additionally provided on the basis of the existing first and second walls: and the third wall and the fourth wall are perpendicular to the first wall, wherein the third wall and the fourth wall are used for packaging and are not provided with guide bosses.
The embodiment of the application further provides a communication device, which comprises the socket electric connector, the plug connector, the first printed circuit board PCB and the second PCB, wherein the socket electric connector is connected with the first printed circuit board PCB, and the socket electric connector is connected with the second PCB through the plug connector.
In one example, the communication device may be a router, a switch, a server, an Optical Transport Network (OTN) or a Packet Transport Network (PTN), and the second PCB may be a switch board or a service board.
The first printed circuit board PCB is a backboard, the second PCB is a single board connected with the backboard, and the single board is also called a daughter card.
As shown in fig. 10, the receptacle electrical connector 600 is fixed to the package via 501 of the PCB 500 through the second contact regions 623 of the ground pins 620 and the second contact regions 633 of the signal pins 630, and the plug connector 200 and the plug connector 300 are fixed to the package via 401 of the PCB 400 through the tail crimping fisheye 201 and the crimping fisheye 301, respectively, so as to finally realize signal interconnection between the PCB 400 and the PCB 500.
The above-mentioned embodiments, further detailed description of the purpose, technical solutions and advantages of the present application, it should be understood that the above-mentioned embodiments are only specific embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, improvements, etc. made on the basis of the technical solutions of the present application should be included in the scope of the present application.
Claims (10)
1. An electrical receptacle connector, comprising: the device comprises a base, a first wall, a second wall and a plurality of pins;
the base, the first wall and the second wall form an accommodating cavity;
the plurality of pins are vertically arranged on the base;
the first wall and at least one wall in the second wall is close to one side of acceping the chamber is provided with the direction boss of at least two sets of co-altitude, wherein, the direction boss is not provided with the stitch just the height of direction boss does the height of direction boss perpendicular to place wall, and is provided with the wall perpendicular to of direction boss the base, every group direction boss is used for getting into a plug connector accept the chamber with the stitch leads when connecting.
2. The electrical receptacle connector of claim 1, wherein the difference between the height of the guide projection of the largest height and the height of the guide projection of the smallest height in the at least two sets of guide projections of different heights is greater than or equal to 0.4 mm.
3. The receptacle electrical connector of claim 1 or 2, wherein the plurality of pins comprises a plurality of ground pins and a plurality of signal pins, wherein a first contact area of the plurality of ground pins and a first contact area of the plurality of signal pins are each connected to a plug connector, and wherein a second contact area of the plurality of ground pins and a second contact area of the plurality of signal pins are each connected to a Printed Circuit Board (PCB).
4. The electrical receptacle connector of claim 1, wherein the plurality of pins comprises a plurality of pin columns.
5. The receptacle electrical connector of claim 4, wherein two signal pins are disposed between each two ground pins in each of the plurality of pin columns.
6. The electrical receptacle connector of claim 4, wherein the plurality of pin columns are equally spaced.
7. The electrical receptacle connector of claim 6, wherein the plurality of pin columns are spaced 1.8-2.0 millimeters apart.
8. The receptacle electrical connector according to claim 3, wherein when the at least two sets of guide projections comprise only two sets of guide projections, the receptacle electrical connector is configured to be connected to a first plug connector and a second plug connector respectively, the difference between the first plug connector and the second plug connector is greater than or equal to 0.4 mm, the width of the first plug connector is smaller than that of the second plug connector,
when the socket electric connector is connected with the first plug connector, part of the grounding pins in the grounding pins are connected with the first plug connector, and part of the grounding pins close to the guide boss in the grounding pins are not connected with the first plug connector;
when the socket electric connector is connected with the second plug connector, the grounding pins are connected with the second plug connector.
9. A communication device, characterized in that the communication device comprises a socket electrical connector according to any one of claims 1-8, a plug connector, a first printed circuit board PCB, a second PCB, the socket electrical connector being connected to the first printed circuit board PCB, the socket electrical connector being connected to the second PCB via the plug connector.
10. The communication device of claim 9, wherein the communication device comprises a router, a switch, a server, an Optical Transport Network (OTN) and a Packet Transport Network (PTN), and wherein the second PCB comprises a switch board and a service board.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018203244938 | 2018-03-09 | ||
| CN201820324493 | 2018-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109755779A CN109755779A (en) | 2019-05-14 |
| CN109755779B true CN109755779B (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811444798.3A Active CN109755779B (en) | 2018-03-09 | 2018-11-29 | Socket electric connector and communication equipment |
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| CN (1) | CN109755779B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808499B (en) * | 2019-10-12 | 2022-04-05 | 华为机器有限公司 | Male end connector, female end connector, connector assembly and communication equipment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008124101A2 (en) * | 2007-04-04 | 2008-10-16 | Amphenol Corporation | Electrical connector lead frame |
| US7905751B1 (en) * | 2009-09-23 | 2011-03-15 | Tyco Electronics Corporation | Electrical connector module with contacts of a differential pair held in separate chicklets |
| CN101872908B (en) * | 2010-06-09 | 2012-07-25 | 四川华丰企业集团有限公司 | High-speed signal connector |
| US9520689B2 (en) * | 2013-03-13 | 2016-12-13 | Amphenol Corporation | Housing for a high speed electrical connector |
| CN203607576U (en) * | 2013-10-18 | 2014-05-21 | 立讯精密工业（昆山）有限公司 | Electric connector |
| CN204720598U (en) * | 2015-04-30 | 2015-10-21 | 中兴通讯股份有限公司 | Back panel connector and electronic equipment |
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2018
- 2018-11-29 CN CN201811444798.3A patent/CN109755779B/en active Active
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| CN109755779A (en) | 2019-05-14 |
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