CN110690603B - Female connector, golden finger connector, connector assembly and electronic equipment - Google Patents

Female connector, golden finger connector, connector assembly and electronic equipment Download PDF

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Publication number
CN110690603B
CN110690603B CN201910855092.4A CN201910855092A CN110690603B CN 110690603 B CN110690603 B CN 110690603B CN 201910855092 A CN201910855092 A CN 201910855092A CN 110690603 B CN110690603 B CN 110690603B
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China
Prior art keywords
row
terminal
golden finger
connector
rows
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CN201910855092.4A
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CN110690603A (en
Inventor
喻军
张�杰
欧康华
许仕彬
李永耀
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The application discloses female connector, golden finger connector, connector assembly and electronic equipment belongs to communication technology field. The female connector comprises a slot and N rows of first terminal modules arranged along the depth direction of the slot, wherein N is an integer greater than or equal to 2, the N rows of first terminal modules are positioned on a first side wall of the slot, and each row of first terminal modules comprises a plurality of terminals; in the direction of the row of the first terminal modules in each row, in every two adjacent rows of the first terminal modules, each terminal in one row of the first terminal modules is arranged in a staggered manner with the corresponding terminal in the other row of the first terminal modules. By adopting the method and the device, the technical problems that the positions of the terminals in two rows of terminal modules adjacent to the same side of the slot of the female connector in the related art are opposite, and crosstalk can easily occur between opposite terminals can be solved.

Description

Female connector, golden finger connector, connector assembly and electronic equipment
Technical Field
The application relates to the technical field of communication, in particular to a female connector, a golden finger connector, a connector assembly and electronic equipment.
Background
The female connector and the golden finger connector form a connector assembly which is used for connecting two chips in the electronic equipment to enable the two chips to finish data transmission. When two chips are connected to the female connector and the golden finger connector, the first end of the female connector is electrically connected with one chip, the first end of the golden finger connector is electrically connected with the other chip, and during connection, the golden finger connector is inserted into the slot of the female connector, so that the terminal of the female connector is conducted with the golden finger of the golden finger connector, the electric connection between the two chips can be achieved, and therefore data transmission can be achieved between the two chips.
In the related art female connector, each of two adjacent rows of terminal modules is located on the same side wall of the slot, and each of the terminals in one row of terminal modules is located opposite to one of the terminals in the other row of terminal modules.
In the course of implementing the present application, the inventors found that the related art has at least the following problems:
because the positions of two corresponding terminals in two adjacent rows of terminal modules in the female connector are opposite, crosstalk can easily occur between the two corresponding terminals in the two rows of terminal modules, and data transmission between chips is influenced.
Disclosure of Invention
The embodiment of the application provides a female connector, a golden finger connector, a connector assembly and electronic equipment, and can solve the technical problems existing in the related art.
The embodiment of the application provides a female connector, female connector includes slot and the first terminal module of N row of arranging along the depth direction of slot, and N is for being more than or equal to 2's integer, and the first terminal module of N row is located the first lateral wall of slot, and every row of first terminal module includes a plurality of terminals. In the direction of the row of the first terminal modules in each row, in every two adjacent rows of the first terminal modules, each terminal in one row of the first terminal modules is arranged in a staggered manner with the corresponding terminal in the other row of the first terminal modules.
The slot is used for inserting the PCB of the golden finger connector, the N rows of first terminal modules are arranged on the first side wall of the slot, and the golden finger is arranged on the PCB of the golden finger connector, so that when the PCB is inserted into the slot, the golden finger on the PCB is in contact with the terminal in the female connector.
The direction of the row of the first terminal modules refers to the arrangement direction of the terminals in each row of the first terminal modules, and the direction of the row of the first terminal modules is perpendicular to the depth direction of the slot.
The terminals included in each row of the first terminal module are separated from each other, each terminal can be an elastic metal strip, and the terminals are fixed together through an injection molding process to form a row of the first terminal module. The contact surface of the elastic contact part for contacting with the golden finger on each terminal can be plated with gold. The number of terminals included in each row of the first terminal module may be the same.
Each terminal in one row of the first terminal modules and a corresponding terminal in the other row of the first terminal modules are arranged in a staggered manner, that is, a gap between two adjacent terminals in one row of the first terminal modules is opposite to the position of one terminal in the other row of the first terminal modules, which is equivalent to that one row of the first terminal modules in the two rows of the first terminal modules which are opposite to each other originally is translated for a certain distance along the direction of the row of each row of the first terminal modules, and in a possible implementation mode, the translation distance can be 0.6 mm. The staggered arrangement can reduce crosstalk between the terminals in the two adjacent rows of the first terminal modules and reduce influence on data transmission of the chip.
It should be noted that, the gap between two adjacent terminals in the first terminal module in one row is opposite to the position of one terminal in the first terminal module in the other row, and the gap between two adjacent terminals in the first terminal module in one row may be opposite to the position of one terminal in the first terminal module in the other row, that is, the center of the gap between two adjacent terminals in the first terminal module in one row is directly opposite to one terminal in the first terminal module in the other row, or may not be opposite, which is not limited in the present application.
According to the scheme shown in the embodiment of the application, the first end of the female connector provided by the embodiment of the application can be electrically connected with one chip, the first end of the golden finger connector matched with the female connector can be electrically connected with another chip, and then the golden finger connector is inserted into the slot of the female connector, so that the electrical connection between the two chips can be realized.
In the female connector that this application embodiment provided, lie in two adjacent rows of first terminal modules of the first lateral wall of slot, wherein each terminal in one row of first terminal module and the corresponding terminal dislocation of another row of first terminal module arrange to, crosstalk between two corresponding terminals in two adjacent rows of terminal modules has been reduced, has reduced the influence to data transmission between the chip.
In one possible implementation manner, the first plane is perpendicular to the groove bottom of the slot, in every two adjacent rows of the first terminal modules, a projection of each terminal in one row of the first terminal modules on the first plane is located in an interval between projections of two adjacent terminals in the other row of the first terminal modules respectively in the first plane, or is located outside a projection of one outermost terminal in the other row of the first terminal modules in the first plane.
In the scheme shown in the embodiment of the application, in every two adjacent rows of the first terminal modules, the width of each terminal in one row of the first terminal modules is smaller than the width of a gap between two adjacent terminals in the other row of the first terminal modules, so that in every two adjacent rows of the first terminal modules, the projection of each terminal in one row of the first terminal modules on the first plane is positioned in the interval between the projections of two adjacent terminals in the other row of the first terminal modules in the first plane respectively, or the projection of one outermost terminal in the other row of the first terminal modules in the first plane is positioned outside.
In a possible implementation manner, the receptacle connector provided in the embodiment of the present application further includes N rows of second terminal modules located on the second side wall of the slot, where the second side wall and the first side wall are located on two opposite sides of the slot, respectively, and the N rows of first terminal modules and the N rows of second terminal modules are one-to-one. Along the direction of the rows of the first terminal modules, each terminal in each row of the first terminal modules and the corresponding terminal in the corresponding row of the second terminal modules are arranged in a staggered mode.
Each terminal in each row of the first terminal modules and the corresponding terminal in the corresponding row of the second terminal modules are arranged in a staggered manner, that is, a gap between two adjacent terminals in each row of the first terminal modules is opposite to the position of one terminal in the corresponding row of the second terminal modules, which is equivalent to that the first terminal module or the second terminal module in the first terminal module and the second terminal module which are opposite to each other originally is translated for a certain distance along the direction of the row of the first terminal module, and in a possible implementation mode, the translation distance can be 0.6 mm.
The number of rows of the N rows of the second terminal modules and the N rows of the first terminal modules may be the same, and the number of terminals included in each row of the second terminal modules may be the same as the number of terminals included in each row of the first terminal modules.
In the solution shown in the embodiment of the present application, in order to increase the density of the terminals and further improve the data transmission rate, N rows of second terminal modules are disposed on the second side wall of the slot. Furthermore, in order to reduce crosstalk between each terminal in each row of the first terminal modules and a corresponding terminal in a corresponding row of the second terminal modules, each terminal in each row of the first terminal modules and a corresponding terminal in a corresponding row of the second terminal modules are arranged in a staggered manner.
In one possible implementation manner, in order to reduce crosstalk between two corresponding terminals in two adjacent rows of second terminal modules, in the direction in which the row of each row of second terminal modules is located, in each two adjacent rows of second terminal modules, each terminal in one row of second terminal modules is arranged in a staggered manner from a corresponding terminal in the other row of second terminal modules.
In one possible implementation, the projection of each terminal in each row of the first terminal modules in the first plane is located in an interval between the projections of the adjacent two terminals in the corresponding row of the second terminal modules in the first plane, or is located outside the projection of one outermost terminal in the corresponding row of the second terminal modules in the first plane.
In the solution shown in the embodiment of the present application, correspondingly, the projection of each terminal in each row of second terminal modules in the first plane is located in the interval between the projections of two adjacent terminals in the corresponding row of first terminal modules in the first plane, or located outside the projection in the first plane of one outermost terminal in the corresponding row of first terminal modules.
In a possible implementation manner, the female connector provided in the embodiment of the present application further includes a first supporting portion having N rows of first protruding portions, where the N rows of first protruding portions are in one-to-one correspondence with the N rows of first terminal modules, and a plurality of terminals included in each row of first terminal modules are in one-to-one correspondence with a plurality of protruding portions included in a corresponding row of first protruding portions, where an elastic contact portion of each terminal extends through the corresponding protruding portion.
Wherein, first supporting part is used for installing N row first terminal module, can be located the main part mount pad, and the main part mount pad is the part that is used for installing multirow first terminal module, and this main part mount pad can be the plastic part.
The protruding portion has a terminal hole through which the elastic contact portion of the terminal protrudes.
In one possible implementation manner, in the two adjacent rows of the first protruding parts, the protruding parts located in one row are arranged in a staggered manner with respect to the protruding parts located in the other row.
In the scheme shown in the embodiment of the application, in order to enable each terminal in one row of the first terminal modules and the corresponding terminal in the other row of the first terminal modules to be arranged in a staggered manner in the two adjacent rows of the first terminal modules, correspondingly, in the two adjacent rows of the first extending parts, a plurality of extending parts located in one row of the first extending parts and a plurality of extending parts located in the other row of the first extending parts are arranged in a staggered manner.
In a possible implementation manner, the female connector provided in the embodiment of the present application further includes a second supporting portion having N rows of second protruding portions, where the N rows of second protruding portions correspond to the N rows of second terminal modules one to one, and each row of second terminal modules includes a plurality of terminals and a corresponding row of second protruding portions include a plurality of protruding portions one to one, where an elastic contact portion of each terminal penetrates through the corresponding protruding portion to protrude.
The second support part is used for mounting N rows of second terminal modules, can be positioned on the main body mounting seat and is arranged opposite to the first support part.
In the embodiment of the present application, the number of rows of the first terminal modules and the number of rows of the second terminal modules may be the same, so that the number of rows of the N rows of the first extending portions on the first supporting portion and the number of rows of the N rows of the second extending portions on the second supporting portion are also the same. Since the N rows of first terminal modules and the N rows of second terminal modules are one-to-one, the N rows of first terminal modules and the N rows of first protruding portions are one-to-one, and the N rows of second terminal modules and the N rows of second protruding portions are one-to-one, the N rows of first protruding portions and the N rows of second protruding portions are also one-to-one.
In one possible implementation manner, in the two adjacent rows of the second protruding parts, the protruding parts located in one row are arranged in a staggered manner with respect to the protruding parts located in the other row.
In the scheme shown in the embodiment of the application, in order to enable each terminal in one row of the second terminal modules to be arranged in a staggered manner with a corresponding terminal in another row of the first terminal modules in two adjacent rows of the second terminal modules, correspondingly, in two adjacent rows of the second extending parts, a plurality of extending parts located in one row of the second extending parts are arranged in a staggered manner with a plurality of extending parts located in another row of the second extending parts.
In one possible implementation manner, in order to make each terminal in each row of the first terminal modules and the corresponding terminal in the corresponding row of the second terminal modules be arranged in a staggered manner, correspondingly, each protruding portion in each row of the first protruding portions and the corresponding protruding portion in the corresponding row of the second protruding portions are arranged in a staggered manner.
In one possible implementation manner, each row of the first terminal modules includes a plurality of signal terminals and a plurality of ground terminals, and a distance between a pin of one signal terminal and a pin of one ground terminal that are adjacent to each other is greater than a distance between pins of two signal terminals that are adjacent to each other.
The pin is a portion of the terminal for electrically connecting with the chip, and may be a bent portion at the bottom end of the terminal. The pins may be soldered or crimped together with the PCB board on which the chip is located.
The ground terminal is a terminal for grounding, and the signal terminal is a terminal for transmitting a signal.
In the scheme shown in the embodiment of the application, the ratio of the signal terminals to the ground terminals is 2:1, namely, two signal terminals are arranged between every two ground terminals. The two signal terminals are called as a group of signal terminals, the distance between the pins of the two adjacent signal terminals is smaller than the distance between the pins of the adjacent signal terminal and the ground terminal, so that the distance between the two non-adjacent signal terminals is longer, further, the distance between every two groups of signal terminals is longer, the crosstalk between the signal terminals is reduced, and the data transmission between two chips is facilitated.
In one possible implementation manner, each row of the second terminal modules includes a plurality of signal terminals and a plurality of ground terminals, and a distance between a pin of one adjacent signal terminal and a pin of one ground terminal is greater than a distance between pins of two adjacent signal terminals.
In the solution shown in the embodiment of the present application, for the description of the signal terminal and the ground terminal in the second terminal module, reference may be made to the description of the signal terminal and the ground terminal in the first terminal module, which is not described herein again.
In one possible implementation manner, each row of the first terminal modules includes a plurality of signal terminals and a plurality of ground terminals, and then the connection portions of the pins of the plurality of signal terminals are located on one straight line, and the connection portions of the pins of the plurality of ground terminals are located on another straight line, where the one straight line and the another straight line are not the same straight line.
The connecting part is a part which is used for being connected with the PCB on the pin. Alternatively, the connection portion of the pin may be an end portion of the pin. The connecting part can be a welding part or a crimping part.
According to the scheme shown in the embodiment of the application, the connecting parts of the pins of the signal terminals and the connecting parts of the pins of the ground terminals are not arranged on the same straight line, and under the condition that the distance between every two adjacent terminals is the same, the distance between the connecting parts of the pins of the two adjacent signal terminals is smaller than the distance between the connecting parts of the pins of one signal terminal and one ground terminal. Thus, crosstalk between adjacent signal terminals can be further reduced.
The connecting part can be a welding part or a crimping part, namely, the connecting mode between the pin and the PCB where the chip is positioned can be welding or crimping. In particular, soldering can be divided into soldering with a solder ball and soldering without a solder ball.
When the pin is used for soldering on a PCB, the pin is called a solder pin, and the connection portion is a solder portion. The PCB is provided with a bonding Pad (Pad), the welding pin is a bending part at the bottom of the terminal, a welding part of the welding pin can be provided with a welding Ball, the welding Ball is melted during welding, so that the welding pin and the PCB are welded together, and the connection mode at the moment is called as Ball Grid Array (BGA). In another case, the soldering portion of the soldering pin is not provided with a solder ball, but the soldering portion of the soldering pin is directly soldered to the PCB, and the connection manner is called Surface Mounting Technology (SMT).
When the pin is pressed against the PCB board, the pin at this time is called a press pin, and the connection portion is a press contact portion. The PCB is provided with Plated Through Holes (PTH), the bottom of the terminal is not provided with a bent part but is a vertical plug structure, and each crimping pin is inserted into the PTH through Hole during crimping. In one possible implementation, the outer diameter of the press-fit pin is larger than the inner diameter of the PTH through hole, and then the press-fit pin and the PTH through hole can be in direct interference connection. In another possible implementation manner, the outer diameter of the press-fit pin is smaller than the inner diameter of the PTH through hole, and after the press-fit pin is inserted into the PTH through hole, the press-fit pin needs to be welded in the PTH through hole.
When the pins of the terminals are welding pins, the welding pins are bent parts at the bottom of the terminals, and the lengths of the bent parts of all the signal terminals can be equal in order to enable the welding parts of the pins of all the signal terminals in the same row of the first terminal module to be positioned on the same straight line. In order to make the welding parts of the pins of all the grounding terminals in the first terminal module in the same row be positioned on the same straight line, the lengths of the bent parts of all the grounding terminals are equal. Meanwhile, in order to prevent the welding part of the pin of the signal terminal and the welding part of the pin of the grounding terminal from being positioned on the same straight line, the lengths of the bent part of the signal terminal and the bent part of the grounding terminal are different. In one possible implementation, the length of the bent portion of the signal terminal is greater than the length of the bent portion of the ground terminal, and in another possible implementation, the length of the bent portion of the signal terminal is less than the length of the bent portion of the ground terminal.
In one possible implementation, the connection portions of the pins of all the terminals in each row of the first terminal module are arranged on the same straight line.
In a possible implementation manner, each row of the second terminal modules includes a plurality of signal terminals and a plurality of ground terminals, and the connection portions of the pins of the plurality of signal terminals are located on a straight line, and the connection portions of the pins of the plurality of ground terminals are located on another straight line, where the straight line and the another straight line are not the same straight line.
In the solution shown in the embodiment of the present application, regarding the descriptions related to the plurality of signal terminals and the plurality of ground terminals in the second terminal module, the descriptions related to the plurality of signal terminals and the plurality of ground terminals in the first terminal module may be referred to, and are not described herein again.
In one possible implementation, each row of the first terminal modules further comprises a first injection molding plate, and the plurality of terminals of each row of the first terminal modules are fixed together through the first injection molding plate. The female connector further includes a plurality of shield plates, each of which is mounted on the first injection-molded plate of the row of first terminal modules. And the shielding plate is used for weakening crosstalk among the terminals in the first terminal module in the same row.
The injection molding plate is a plate formed after an injection molding material is solidified when a plurality of terminals are manufactured into a row of first terminal modules through an injection molding process.
The shield plate is a metal member for reducing crosstalk between the plurality of terminals.
According to the scheme shown in the embodiment of the application, when the first terminal modules in each row are manufactured, firstly, the metal plate is punched to obtain a plurality of separated terminals, and then, each terminal is fixed through an injection molding process, so that the first terminal modules in each row are formed.
The plurality of terminals comprise signal terminals and ground terminals, two signal terminals are arranged between two adjacent ground terminals, and the number ratio of the signal terminals to the ground terminals is 2: 1. Each shielding plate comprises a plurality of connecting rods, and each connecting rod is respectively contacted with one grounding terminal, so that all the grounding terminals in the first terminal modules in the same row are conducted, and the crosstalk between the signal terminals is weakened.
Each injection molding plate can be provided with a plurality of bulges, the shielding plate can be provided with a plurality of through holes, when the shielding plate is installed, the through holes of the shielding plate are aligned with the bulges of the injection molding plate, and then the bulges of the injection molding plate are inserted into the through holes of the shielding plate, so that the installation between each row of first terminal modules and the shielding plate is completed.
Through addding the shield plate, can weaken the crosstalk between the terminal in each row first terminal module to, be favorable to the data transmission between two chips more.
In one possible implementation, each row of the second terminal modules further comprises a second injection molded plate, and the plurality of terminals of each row of the second terminal modules are fixed together through the second injection molded plate. The female connector further includes a plurality of shield plates, each of which is mounted on the first injection-molded plate of the row of second terminal modules. And the shielding plate is used for weakening crosstalk among the terminals in the second terminal module in the same row.
The embodiment of the application provides a golden finger connector, and this golden finger connector includes PCB board and the first golden finger group of N row of setting on the PCB board, and N is more than or equal to 2's integer, and the first golden finger group of N row is arranged along the direction of insertion of PCB board, and the first golden finger group of N row is located the first surface of PCB board, and every row of first golden finger group includes a plurality of golden fingers. And along the direction of the rows of the first golden finger groups in each row, in every two adjacent rows of the first golden finger groups, each golden finger in one row of the first golden finger groups is arranged in a staggered way with the corresponding golden finger in the other row of the first golden finger groups.
Wherein, the golden finger is golden conductive contact on the PCB board, and the surfaces of the conductive contact can be plated with gold. The number of gold fingers included in each row of the first gold finger group may be the same.
The direction of the rows of the first golden finger groups refers to the arrangement direction of the golden fingers in the first golden finger groups, and the direction of the rows of the first golden finger groups is perpendicular to the insertion direction of the PCB. The insertion direction of the PCB board refers to a moving direction of the PCB board during the process of inserting the PCB board into the socket.
Each golden finger in one row of the first golden finger group is arranged in a staggered manner with a corresponding golden finger in the other row of the first golden finger group, that is, a gap between two adjacent golden fingers in one row of the first golden finger group is opposite to the position of one golden finger in the other row of the first golden finger group, which is equivalent to that one row of the two rows of the first golden finger groups which are opposite to each other originally is translated for a certain distance along the direction of the row of each row of the first golden finger group, and in a possible implementation manner, the translation distance can be 0.6 mm.
It should be noted that, a gap between two adjacent gold fingers in one row of the first gold finger group is opposite to a position of one gold finger in the other row of the first gold finger group, and the gap between two adjacent gold fingers in one row of the first gold finger group may be directly opposite to a position of one gold finger in the other row of the first gold finger group, that is, a center of the gap between two adjacent gold fingers in one row of the first gold finger group is directly opposite to a position of one gold finger in the other row of the first gold finger group, or may not be directly opposite to the position of the one gold finger in the other row of the first gold finger group.
According to the scheme shown in the embodiment of the application, the golden finger connector provided by the embodiment of the application can be matched with the female connector provided by the embodiment of the application to be used, and a connector assembly is formed together and used for connecting a chip in electronic equipment.
During the in-service use, the first end of female coupling ware can with a chip electric connection, the first end of golden finger connector can with another chip electric connection, then, insert the golden finger connector in the slot of female coupling ware, can realize the electric connection between two chips.
In a possible implementation manner, the second plane is parallel to the first surface of the PCB board, in each two adjacent rows of the first gold finger groups, an extension of a projection of each gold finger in one row of the first gold finger groups on the second plane is located in a space between projections of two adjacent gold fingers in the other row of the first gold finger groups in the second plane, or is located outside a projection of one outermost gold finger in the other row of the first gold finger groups in the second plane.
In the scheme shown in the embodiment of the application, in every two adjacent rows of the first golden finger groups, the width of each golden finger in one row of the first golden finger groups is smaller than the width of the gap between two adjacent golden fingers in the other row of the first golden finger groups, so that, in every two adjacent rows of the first golden finger groups, the extended part of the projection of each golden finger in one row of the first golden finger groups on the second plane is positioned in the interval between the projections of two adjacent golden fingers in the other row of the first golden finger groups on the second plane respectively, or the outer side of the projection of one outermost golden finger in the other row of the first golden finger groups on the second plane respectively.
In a possible implementation manner, the gold finger connector further includes N rows of second gold finger groups disposed on the second surface of the PCB, the first surface and the second surface are two surfaces facing away from the PCB, respectively, and the N rows of first gold finger groups and the N rows of second gold finger groups are one-to-one. Along the direction of the rows of the first golden finger groups, each golden finger in each row of the first golden finger groups and the corresponding golden finger in the corresponding row of the second golden finger groups are arranged in a staggered mode.
Each golden finger in each row of the first golden finger group and the corresponding golden finger in the corresponding row of the second golden finger group are arranged in a staggered manner, that is, a gap between two adjacent golden fingers in each row of the first golden finger group is opposite to the position of one golden finger in the corresponding row of the second golden finger group, which is equivalent to that the first golden finger group or the second golden finger group in the first golden finger group and the second golden finger group which are opposite to each other originally is translated for a certain distance along the direction of the row of each row of the first golden finger group, and in a possible implementation manner, the translation distance can be 0.6 mm.
The number of the rows of the N rows of the first golden finger groups is the same as that of the rows of the N rows of the second golden finger groups, and the number of the golden fingers included in each row of the first golden finger groups is the same as that of the golden fingers included in each row of the second golden finger groups.
According to the scheme provided by the embodiment of the application, in order to increase the density of the golden fingers and further improve the data transmission efficiency, N rows of second golden finger groups are arranged on the second surface of the PCB. Furthermore, in order to cooperate with the female connector provided in the embodiment of the present application, each gold finger in each row of the first gold finger group and the corresponding gold finger in the corresponding row of the second gold finger group are arranged in a staggered manner.
In a possible implementation manner, in every two adjacent rows of the second gold finger groups, an extension of a projection of each gold finger in one row of the second gold finger groups on the second plane is located in an interval between projections of two adjacent gold fingers in the other row of the second gold finger groups on the second plane, or is located outside a projection of one outermost gold finger in the other row of the second gold finger groups on the second plane.
In a possible implementation manner, the projection of each gold finger in each row of the first gold finger group in the second plane is located in the interval between the projections of two adjacent gold fingers in the corresponding row of the second gold finger group in the second plane, or is located outside the projection of one outermost gold finger in the corresponding row of the second gold finger group in the second plane.
According to the scheme shown in the embodiment of the application, the width of each golden finger in each row of first golden finger groups is smaller than the width of a gap between two adjacent golden fingers in a corresponding row of second golden finger groups, so that the projection of each golden finger in each row of first golden finger groups in the second plane is located in the interval between the projections of two adjacent golden fingers in the corresponding row of second golden finger groups in the second plane respectively, or is located outside the projection of one outermost golden finger in the corresponding row of second golden finger groups in the second plane.
An embodiment of the present application provides a connector assembly, which includes any one of the above-mentioned female connector and any one of the above-mentioned golden finger connector, wherein each terminal in the female connector is used for contacting one golden finger in the golden finger connector.
For the female connector and the gold finger connector, reference may be made to the above, and details are not repeated herein.
In the solution shown in the embodiment of the present application, the connector assembly provided in the embodiment of the present application may include a female connector and a gold finger connector, and the gold finger connector includes a PCB board. The female connector is fixed on the PCB where the chip is located and electrically connected with one chip. The golden finger on the PCB board of the golden finger connector is electrically connected with another chip through a cable. During connection, the golden finger connector is inserted into the slot of the female connector, so that the golden finger on the PCB is in contact with the terminal in the female connector, thereby realizing the electric connection between the two chips and realizing the data transmission between the two chips.
The connector assembly provided by the embodiment of the application can further comprise two female connectors and a golden finger connector, the golden finger connector comprises two PCB boards, and the golden fingers on the two PCB boards are electrically connected through cables. One of the mother socket connectors is fixed on the first PCB and electrically connected with the first chip, and the other mother socket connector is fixed on the second PCB and electrically connected with the second chip. Then, insert one PCB board in the golden finger connector in the slot of a female connector, insert another PCB board in the golden finger connector in the slot of another female connector for the golden finger on two PCB boards of golden finger connector contacts with the terminal in two female connectors respectively, thereby, realize the electric connection between first chip and the second chip, can realize data transmission between first chip and the second chip. The first PCB and the second PCB may be the same PCB or two different PCBs.
In one possible implementation manner, during the process of inserting the golden finger connector into the female connector or during the process of extracting the golden finger connector from the female connector, the elastic contact part of each terminal in each row of terminal modules in the female connector is not contacted with the golden fingers in other rows of golden finger groups which pass through but are arranged in the staggered arrangement with the target golden fingers before being contacted with the target golden fingers.
Wherein, each row of terminal modules refers to each row of first terminal modules and each row of second terminal modules.
The target gold finger is a gold finger for a certain terminal to contact with the terminal.
The other gold finger row groups that have passed through are that, for a certain row of terminal modules, in the process of inserting or extracting the gold finger connector, the gold fingers in the gold finger row groups have already contacted with the terminals in the row of terminal modules, or the gaps between two adjacent gold fingers in the gold finger row groups have already contacted with the terminals in the row of terminal modules.
The other gold finger arrangement groups arranged in a staggered manner with the arrangement of the target gold finger can also be considered as gold finger groups with odd gold finger groups arranged between the other gold finger arrangement groups and the arrangement of the target gold finger.
According to the scheme shown in the embodiment of the application, in the process that the golden finger connector is inserted into the female connector or is pulled out from the female connector, before the elastic contact part of each terminal in each row of terminal modules in the female connector is contacted with the target golden finger, the elastic contact part is not contacted with the golden fingers in other rows of golden fingers which pass through the elastic contact part and are arranged in the staggered arrangement with the target golden finger, so that the golden finger connector reduces redundant abrasion on the golden fingers and the terminals as much as possible in the process of inserting and pulling out the female connector, and the service life of the connector assembly is prolonged.
In order to achieve the above function, correspondingly, the width of the elastic contact part of each terminal in each row of terminal modules in the female connector is smaller than the width of the gap between two adjacent golden fingers in other rows of golden finger groups which have passed through but are arranged in a staggered manner with the row where the target golden finger is located.
In a possible implementation manner, two side walls of a PCB board of the gold finger connector are respectively provided with a first limiting groove, an inner side of a third side wall and an inner side of a fourth side wall of the slot are respectively provided with a first limiting boss, and the third side wall and the fourth side wall are two opposite side walls in the slot. A first limiting boss arranged on the inner side of the third side wall of the slot is clamped in one first limiting groove, and a first limiting boss arranged on the inner side of the fourth side wall of the slot is clamped in the other first limiting groove.
The PCB of the golden finger connector exposes two side walls and a plugging front wall, the two side walls are opposite, and the plugging front wall is located at the plugging front end of the PCB.
According to the scheme shown in the embodiment of the application, the first limiting boss is arranged on the inner side of the third side wall of the slot and the inner side of the fourth side wall of the slot respectively, the limiting grooves are arranged on the two side walls of the PCB respectively, and the PCB can be prevented from shaking greatly in the vertical direction and the horizontal direction in the interior of the female connector.
Two first spacing bosss are elasticity boss, and are specific, and two first spacing bosss are metal shrapnel structure.
In a possible implementation manner, a second limiting groove is arranged on the plugging front wall of the PCB. The bottom surface of the slot is provided with a second limiting boss, and the second limiting groove is used for clamping the second limiting boss.
The shown scheme of this application embodiment sets up the spacing boss of second through the bottom surface at the slot, sets up the second spacing groove on the plug antetheca of the PCB board of golden finger connector, can prevent that the PCB board from taking place great rocking in the inside of female connector on the horizontal direction.
In a possible implementation manner, a third limiting groove is further formed in one side of the PCB along the width direction of the PCB of the golden finger connector, the width of the third limiting groove is matched with the thickness of a third side wall of the slot, the third limiting groove is used for being clamped on the third side wall, and the width direction of the PCB is perpendicular to the plugging direction of the PCB.
The width direction of the PCB of the golden finger connector is perpendicular to the plugging and unplugging direction of the golden finger connector. The inserting and pulling direction of the golden finger connector refers to the moving direction of the golden finger connector in the process of inserting or pulling the golden finger connector into or out of the slot of the female connector.
According to the scheme shown in the embodiment of the application, the third limiting groove is arranged, so that the third limiting groove is clamped on the third side wall of the slot, and therefore the PCB is prevented from shaking greatly in the horizontal direction.
In a possible implementation manner, along the width direction of the PCB board of the gold finger connector, two side edges of the PCB board are respectively provided with a fourth limiting groove. The female connector further comprises two ear buckles, the two ear buckles are arranged at the front end of the inserting and pulling part of the slot and are respectively positioned at two sides of the slot along the width direction of the slot.
The width direction of the PCB of the golden finger connector is perpendicular to the plugging direction of the PCB, and each fourth limiting groove is matched with one ear buckle. The inserting and pulling direction of the golden finger connector refers to the moving direction of the golden finger connector in the process of inserting or pulling the golden finger connector into or out of the slot of the female connector.
The structure of the ear clip can be similar to the structure of the component which is arranged at the two ends of the memory bank slot and used for fixing the memory bank, and the ear clip can also be called as a clip.
The plugging front end of the slot refers to the part of the PCB board which passes through the PCB board firstly in the process of inserting the PCB board of the golden finger connector into the slot of the female connector. The plugging front end of the slot can be the top wall of the slot, namely the top wall of the main body mounting seat.
The shown scheme of this application embodiment, ear clip include fixed part and rotating part, and the fixed part is fixed on the plug front end of slot, and the rotating part can be rotatory around the fixed part. Before the PCB board of grafting golden finger connector, will be earlier with two rotating parts outspinning, avoid the rotating part to interfere the grafting of PCB board, after the completion of pegging graft of PCB board, with two rotating part relative rotations, make ear buckle and fourth spacing groove contact to, block the PCB board, restrict rocking of PCB board.
Through setting up ear knot and fourth spacing groove, when the PCB board of golden finger connector is the large size PCB board, it is better to rocking the restriction of PCB board.
In a possible implementation manner, the golden finger connector further comprises a shell, a first guide protrusion and a second guide protrusion are arranged on the outer wall of the shell, the female connector further comprises a shell, and a first guide groove and a second guide groove are arranged on the shell. The position and the shape of the first guide protrusion are matched with those of the first guide groove, the position and the shape of the second guide protrusion are matched with those of the second guide groove, and the difference between the width of the first guide groove and the width of the first guide protrusion is larger than the difference between the width of the second guide groove and the width of the second guide protrusion.
According to the scheme shown in the embodiment of the application, the female connector comprises two buckle covers which are respectively buckled on the first supporting part and the second supporting part of the main body mounting seat. Through the buckle closure, all cover N row first terminal module and N row second terminal module to, arrange first terminal module and N row second terminal module and played the guard action.
The edge positions of the first supporting part and the second supporting part on the main body mounting seat are provided with bulges for mounting, the edge of the buckle cover is provided with a through hole for mounting, the position and the shape of each bulge are matched with those of one through hole, the through holes are aligned to the bulges during mounting, and the bulges are inserted into the through holes, so that the fixing between the buckle cover and the main body mounting seat is completed.
The shell of the female connector is sleeved on the main body mounting seat and the buckle cover, wherein the shell can be a plastic part. The lower part of each buckle cover is provided with two bulges, and the thickness of the two bulges is gradually increased from top to bottom. And, the lower part of the outer wall of two lateral walls of the main body mount pad also has a protruding respectively, and the protruding thickness of this arch also increases from top to bottom gradually. Correspondingly, the lower part of the wall of the shell of the female connector, which is matched with the buckle cover, is provided with two through holes, and the lower part of the wall of the shell, which is matched with the side wall of the main body mounting seat, is provided with one through hole. Each through hole is matched with the position and the shape of one bulge.
During installation, the female connector is inserted into the main body installation seat provided with the buckle cover, each protrusion is gradually inserted into each through hole in the insertion process, and finally, each protrusion is clamped in one through hole, so that the installation among the shell, the buckle cover and the main body installation seat is completed.
Through set up the direction recess on the casing of female seat connector, set up the direction arch on the outer wall of gold finger connector's shell for when the gold finger connector is pegging graft the recess of female seat connector, need insert the direction arch earlier in the direction recess, thereby, at the grafting in-process, played the guide effect to the gold finger connector, and then, made things convenient for pegging graft of gold finger connector and female seat connector.
And the width difference of the first guide groove and the first guide protrusion is larger than the width difference of the second guide groove and the second guide protrusion, so that the first guide groove is matched with the first guide protrusion to play a coarse guide role in the plugging process of the golden finger connector, and the second guide groove is matched with the second guide protrusion to play a fine guide role in the plugging process of the golden finger connector. Furthermore, in the inserting process of the golden finger connector, the fool-proof effect can be achieved, and the PCB of the golden finger connector is prevented from shaking greatly in the female connector. Alternatively, the width of the first guide protrusion may be greater than the width of the second guide protrusion, and correspondingly, the width of the first guide groove may be greater than the width of the second guide groove.
The embodiment of the application provides electronic equipment, which comprises the connector assembly, wherein at least two chips in the electronic equipment are electrically connected through the connector assembly.
The electronic device may be a terminal or a server.
According to the scheme shown in the embodiment of the application, the electronic equipment provided by the embodiment of the application uses the connecting component to connect two chips in the electronic equipment, so that data transmission can be performed between the two chips. The first end of the female connector can be electrically connected with one chip, the first end of the golden finger connector can be electrically connected with another chip, and then the golden finger connector is inserted into the slot of the female connector, so that the electrical connection between the two chips can be realized. In every two adjacent rows of first terminal modules, each terminal in one row of first terminal modules and the corresponding terminal in the other row of first terminal modules are arranged in a staggered mode, so that crosstalk between two corresponding terminals in the two adjacent rows of first terminal modules is weakened, and influence on data transmission between chips is reduced.
The technical scheme provided by the embodiment of the application has the following beneficial effects:
the embodiment of the application provides a female connector, two adjacent rows of first terminal modules of the first lateral wall of slot in this female connector, wherein each terminal in one row of first terminal module and the corresponding terminal dislocation of another row of first terminal module arrange to, reduce the crosstalk between two corresponding terminals in two adjacent rows of first terminal modules, reduced the influence to data transmission between the chip.
Drawings
Fig. 1 is a schematic view of a female connector provided in an embodiment of the present application;
FIG. 2 is a schematic view of a golden finger connector according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a two-row first terminal module according to an embodiment of the present disclosure;
fig. 4 is a schematic view of a two-row first terminal module according to an embodiment of the present disclosure;
FIG. 5 is a schematic view of a connector assembly according to an embodiment of the present disclosure when connected;
FIG. 6 is a schematic view of a body mount provided in an embodiment of the present application;
fig. 7 is an assembled schematic view of a female connector provided in an embodiment of the present application;
fig. 8 is a sectional view of a female connector according to an embodiment of the present application;
fig. 9 is an assembled schematic view of a female connector provided in an embodiment of the present application;
fig. 10 is a schematic view of a female connector provided in an embodiment of the present application;
fig. 11 is a sectional view of a female connector according to an embodiment of the present application;
fig. 12 is a schematic view of a female connector provided in an embodiment of the present application;
fig. 13 is a schematic view of a female connector according to an embodiment of the present application;
FIG. 14 is a schematic view of a golden finger connector according to an embodiment of the present application;
fig. 15 is an internal schematic view of a female connector according to an embodiment of the present application;
FIG. 16 is a schematic view of a golden finger connector according to an embodiment of the present application;
FIG. 17 is a schematic view of a portion of a connector assembly provided by an embodiment of the present application;
fig. 18 is a schematic diagram of an arrangement of pins according to an embodiment of the present application;
fig. 19 is a schematic diagram of an arrangement of pins according to an embodiment of the present application;
fig. 20 is a schematic diagram of an arrangement of pins according to an embodiment of the present application;
fig. 21 is a schematic application environment diagram of a connector assembly according to an embodiment of the present application;
fig. 22 is a schematic application environment diagram of a connector assembly according to an embodiment of the present application.
Description of the figures
1. The female connector comprises a female connector 10, a main body mounting seat 101, a first supporting part 102, a second supporting part 103, a first limiting boss 104, a second limiting boss 11, a first terminal module 12, a second terminal module 13, a shielding plate 14, a buckle cover 15, a shell 151, a first guide groove 152, a second guide groove 16, an ear buckle 2, a golden finger connector 20, a PCB board 201, a first limiting groove 202, a second limiting groove 203, a third limiting groove 204, a fourth limiting groove 21, a first golden finger group 22, a second golden finger group 23, a shell 231, a first guide bulge 232 and a second guide bulge.
Detailed Description
The embodiment of the application provides a female connector 1, a golden finger connector 2, a connector assembly and an electronic device. The female connector 1 and the gold finger connector 2 may form a connector assembly, and are commonly used in an electronic device to connect two chips in the electronic device, so that data transmission can be performed between the two chips, where the two chips may be located on different PCB boards, as shown in fig. 21, or on the same PCB board, as shown in fig. 22. The female connector 1 can be fixed on a PCB, and the female connector 1 is electrically connected to a chip disposed on the PCB, and the gold finger connector 2 is electrically connected to another chip. Then, the golden finger connector 2 is inserted into the slot of the female connector 1, so that the golden finger in the golden finger connector 2 contacts with the terminal in the female connector 1, and the electrical connection between the two chips can be realized, thereby realizing the data transmission between the two chips.
The embodiment of the application provides a female connector 1, as shown in fig. 1, the female connector 1 includes a slot and N rows of first terminal modules 11 arranged along a depth direction of the slot, N is an integer greater than or equal to 2, the N rows of first terminal modules 11 are located on a first side wall of the slot, and each row of first terminal modules 11 includes a plurality of terminals. In the direction along the row of each row of first terminal modules 11, in each two adjacent rows of first terminal modules 11, each terminal in one row of first terminal modules 11 is arranged in a staggered manner with the corresponding terminal in the other row of first terminal modules 11.
Wherein, the slot is used for supplying PCB board 20 of golden finger connector 2 to insert, is provided with the first terminal module 11 of N row on the first lateral wall of slot, is provided with the golden finger on PCB board 20 of golden finger connector 2 to, when PCB board 20 inserts the slot, make the golden finger on PCB board 20 and the terminal contact in the female connector 1.
The direction of the row of the first terminal modules 11 refers to the arrangement direction of the terminals in each row of the first terminal modules 11, and the direction of the row of the first terminal modules 11 is perpendicular to the depth direction of the slot.
Each row of first terminal modules 11 includes terminals separated from each other, each terminal may be an elastic metal strip, the shape of the terminal may be as shown in fig. 4, and the terminals are fixed together through an injection molding process to form a row of first terminal modules 11. The contact surface of the elastic contact part for contacting with the golden finger on each terminal can be plated with gold. Each row of the first terminal module 11 may include the same number of terminals.
As shown in fig. 3, the fact that each terminal in one row of the first terminal modules 11 is arranged in a staggered manner with respect to a corresponding terminal in another row of the first terminal modules 11 means that a gap between two adjacent terminals in one row of the first terminal modules 11 is opposite to a position of one terminal in another row of the first terminal modules 11, which is equivalent to that one row of the first terminal modules 11 in two rows of the first terminal modules 11 that are opposite to each other is translated by a distance along a direction in which the row of each row of the first terminal modules 11 is located, and in a possible implementation manner, the distance of translation may be 0.6 mm. The offset arrangement can reduce crosstalk between the terminals in the two adjacent rows of the first terminal modules 11, and reduce influence on chip data transmission.
It should be noted that, a gap between two adjacent terminals in one row of the first terminal modules 11 is opposite to a position of one terminal in the other row of the first terminal modules 11, a gap between two adjacent terminals in one row of the first terminal modules 11 may be directly opposite to a position of one terminal in the other row of the first terminal modules 11, that is, a center of a gap between two adjacent terminals in one row of the first terminal modules 11 is directly opposite to one terminal in the other row of the first terminal modules 11, or may not be directly opposite to the other row of the first terminal modules 11, which is not limited in this application.
According to the scheme shown in the embodiment of the application, the first end of the female connector 1 provided by the embodiment of the application can be electrically connected with one chip, the first end of the golden finger connector 2 matched with the female connector 1 can be electrically connected with another chip, and then the golden finger connector 2 is inserted into the slot of the female connector 1, so that the electrical connection between the two chips can be realized.
In the female connector 1 provided in the embodiment of the present application, two adjacent rows of first terminal modules 11 located on the first side wall of the slot are arranged, and each terminal in one row of first terminal modules 11 is arranged in a staggered manner with a corresponding terminal in another row of first terminal modules 11, so that crosstalk between two corresponding terminals in two adjacent rows of terminal modules is reduced, and influence on data transmission between chips is reduced.
In a possible implementation manner, the first plane is perpendicular to the slot bottom of the slot, in each two adjacent rows of the first terminal modules 11, a projection of each terminal in one row of the first terminal modules 11 on the first plane is located in an interval between projections of two adjacent terminals in the other row of the first terminal modules 11 in the first plane, or is located outside a projection of one outermost terminal in the other row of the first terminal modules 11 in the first plane.
In the scheme shown in the embodiment of the present application, in every two adjacent rows of the first terminal modules 11, the width of each terminal in one row of the first terminal modules 11 is smaller than the width of the gap between two adjacent terminals in the other row of the first terminal modules 11, so that, in every two adjacent rows of the first terminal modules 11, the projection of each terminal in one row of the first terminal modules 11 on the first plane is located in the interval between the projections of two adjacent terminals in the other row of the first terminal modules 11 on the first plane, or is located outside the projection of one outermost terminal in the other row of the first terminal modules 11 on the first plane.
In a possible implementation manner, the female connector 1 provided in the embodiment of the present application further includes N rows of second terminal modules 12 located on the second side wall of the slot, the second side wall and the first side wall are respectively located on two opposite sides of the slot, and the N rows of first terminal modules 11 and the N rows of second terminal modules 12 are one-to-one. Along the direction of the rows of the first terminal modules 11, each terminal in each row of the first terminal modules 11 and the corresponding terminal in the corresponding row of the second terminal modules 12 are arranged in a staggered manner.
Each terminal in each row of the first terminal modules 11 and the corresponding terminal in the corresponding row of the second terminal modules 12 are arranged in a staggered manner, which means that a gap between two adjacent terminals in each row of the first terminal modules 11 is opposite to a position of one terminal in the corresponding row of the second terminal modules 12, which is equivalent to that the first terminal modules 11 or the second terminal modules 12 in the originally opposite row of the first terminal modules 11 and the second terminal modules 12 are translated by a distance along the direction of the row of the first terminal modules 11, in a possible implementation manner, the distance of translation may be 0.6 mm.
The number of rows of the N rows of second terminal modules 12 and the N rows of first terminal modules 11 may be the same, and the number of terminals included in each row of second terminal modules 12 may be the same as the number of terminals included in each row of first terminal modules 11.
In the solution shown in the embodiment of the present application, in order to increase the density of the terminals and further improve the data transmission rate, N rows of second terminal modules 12 are disposed on the second side wall of the slot. Further, in order to reduce crosstalk between each terminal in each row of the first terminal modules 11 and a corresponding terminal in a corresponding row of the second terminal modules 12, each terminal in each row of the first terminal modules 11 and a corresponding terminal in a corresponding row of the second terminal modules 12 are arranged in a staggered manner.
In one possible implementation manner, in order to reduce crosstalk between two corresponding terminals in the two adjacent rows of second terminal modules 12, in the direction in which the row of each row of second terminal modules 12 is located, in each two adjacent rows of second terminal modules 12, each terminal in one row of second terminal modules 12 is arranged to be offset from the corresponding terminal in the other row of second terminal modules 12.
In a possible implementation, the projection of each terminal in each row of the first terminal modules 11 in the first plane is located in the interval between the projections of the adjacent two terminals in the corresponding row of the second terminal modules 12 in the first plane, or is located outside the projection of one outermost terminal in the corresponding row of the second terminal modules 12 in the first plane.
In the solution shown in the embodiment of the present application, correspondingly, the projection of each terminal in each row of the second terminal modules 12 in the first plane is located in the interval between the projections of each two adjacent terminals in the corresponding row of the first terminal modules 11 in the first plane, or located outside the projection in the first plane of one outermost terminal in the corresponding row of the first terminal modules 11.
In a possible implementation manner, the female connector 1 provided in the embodiment of the present application further includes a first supporting portion 101 having N rows of first protruding portions, where the N rows of first protruding portions correspond to the N rows of first terminal modules 11 one to one, and a plurality of terminals included in each row of first terminal modules 11 correspond to a plurality of protruding portions included in a corresponding row of first protruding portions one to one, where an elastic contact portion of each terminal penetrates through the corresponding protruding portion to protrude.
The first supporting portion 101 is used for mounting N rows of first terminal modules 11, and may be located on the main body mounting base 10, the main body mounting base 10 is a component for mounting a plurality of rows of first terminal modules 11, and the main body mounting base 10 may be a plastic component. The body mount 10 may be as shown in fig. 6.
The protruding portion has a terminal hole through which the elastic contact portion of the terminal protrudes.
In one possible implementation manner, in the two adjacent rows of the first protruding parts, the protruding parts located in one row are arranged in a staggered manner with respect to the protruding parts located in the other row.
In the scheme shown in the embodiment of the present application, in order to make each terminal in one row of the first terminal modules 11 and the corresponding terminal in the other row of the first terminal modules 11 in the two adjacent rows of the first terminal modules 11 staggered, correspondingly, in the two adjacent rows of the first extending portions, the plurality of extending portions located in the one row of the first extending portions and the plurality of extending portions located in the other row of the first extending portions are staggered.
In a possible implementation manner, the female connector 1 provided in the embodiment of the present application further includes a second supporting portion 102 having N rows of second protruding portions 12, where the N rows of second protruding portions correspond to the N rows of second terminal modules 12 one to one, and each row of second terminal modules 12 includes a plurality of terminals corresponding to one row of second protruding portions, where the elastic contact portion of each terminal protrudes through the corresponding protruding portion.
The second support 102 is used for mounting N rows of second terminal modules 12, and may be located on the main body mounting base 10 and opposite to the first support 101.
In the embodiment of the present application, the number of rows of the first terminal modules 11 and the number of rows of the second terminal modules 12 may be the same, and thus the number of rows of the N rows of the first protruding portions on the first support portion 101 and the number of rows of the N rows of the second protruding portions on the second support portion 102 are also the same. Since the N-row first terminal modules 11 and the N-row second terminal modules 12 are one-to-one, the N-row first terminal modules 11 and the N-row first protruding portions are one-to-one, and the N-row second terminal modules 12 and the N-row second protruding portions are one-to-one, the N-row first protruding portions and the N-row second protruding portions are also one-to-one.
In one possible implementation manner, in the two adjacent rows of the second protruding parts, the protruding parts located in one row are arranged in a staggered manner with respect to the protruding parts located in the other row.
In the scheme shown in the embodiment of the present application, in order to make each terminal in one row of the second terminal modules 12 and the corresponding terminal in the other row of the first terminal modules 11 in the two adjacent rows of the second terminal modules 12 arranged in a staggered manner, correspondingly, in the two adjacent rows of the second extending portions, the plurality of extending portions located in one row of the second extending portions and the plurality of extending portions located in the other row of the second extending portions arranged in a staggered manner.
In a possible implementation manner, in order to make each terminal in each row of the first terminal modules 11 and the corresponding terminal in the corresponding row of the second terminal modules 12 be arranged in a staggered manner, correspondingly, each protruding portion in each row of the first protruding portions and the corresponding protruding portion in the corresponding row of the second protruding portions are arranged in a staggered manner.
In one possible implementation, each row of the first terminal module 11 includes a plurality of signal terminals and a plurality of ground terminals, and a distance between a pin of an adjacent one of the signal terminals and a pin of one of the ground terminals is greater than a distance between pins of two adjacent signal terminals.
The pin is a portion of the terminal for electrically connecting with the chip, and may be a bent portion at the bottom end of the terminal. The pins may be soldered or crimped together with the PCB board on which the chip is located.
The ground terminal is a terminal for grounding, and the signal terminal is a terminal for transmitting a signal.
In the scheme shown in the embodiment of the application, the ratio of the signal terminals to the ground terminals is 2:1, namely, two signal terminals are arranged between every two ground terminals. The two signal terminals are called as a group of signal terminals, the distance between the pins of the two adjacent signal terminals is smaller than the distance between the pins of the adjacent signal terminal and the ground terminal, so that the distance between the two non-adjacent signal terminals is longer, further, the distance between every two groups of signal terminals is longer, the crosstalk between the signal terminals is reduced, and the data transmission between two chips is facilitated.
As shown in fig. 18 to 20, L1 represents the distance between the pins of two adjacent signal terminals, and L2 represents the distance between the pin of one adjacent signal terminal and the pin of one ground terminal. In fig. 18, 19 and 20, each figure provides an illustration of the arrangement of the connection portions of the three pins.
In one possible implementation, each row of the second terminal modules 12 includes a plurality of signal terminals and a plurality of ground terminals, and the distance between the pins of one signal terminal and the pins of one ground terminal is greater than the distance between the pins of two adjacent signal terminals.
In the solution shown in the embodiment of the present application, for the description of the signal terminal and the ground terminal in the second terminal module 12, reference may be made to the above description of the signal terminal and the ground terminal in the first terminal module 11, and details are not repeated here.
In one possible implementation manner, each row of the first terminal modules 11 includes a plurality of signal terminals and a plurality of ground terminals, so that the connection portions of the pins of the plurality of signal terminals are located on a straight line, and the connection portions of the pins of the plurality of ground terminals are located on another straight line, where the straight line and the another straight line are not the same straight line.
The connecting part is a part which is used for being connected with the PCB on the pin. Alternatively, the connection portion of the pin may be an end portion of the pin. The connecting part can be a welding part or a crimping part.
According to the scheme shown in the embodiment of the application, the connecting parts of the pins of the signal terminals and the connecting parts of the pins of the ground terminals are not arranged on the same straight line, and under the condition that the distance between every two adjacent terminals is the same, the distance between the connecting parts of the pins of the two adjacent signal terminals is smaller than the distance between the connecting parts of the pins of one signal terminal and one ground terminal. Thus, crosstalk between adjacent signal terminals can be further reduced.
The connection portion may be a soldering portion or a crimping portion, that is, the connection manner between the pin and the PCB board on which the chip is located may be soldering (as shown in fig. 18 and 19) or crimping (as shown in fig. 20). In particular, soldering can be divided into soldering with a solder ball and soldering without a solder ball.
When the pin is used for soldering on a PCB, the pin is called a solder pin, and the connection portion is a solder portion. The PCB board is provided with a Pad (Pad) (as shown in fig. 18 and 19), the solder pin is a bent portion of the bottom of the terminal (as shown in fig. 4 and 5), a solder Ball may be provided on the solder portion of the solder pin, and the solder Ball is melted during soldering to solder the solder pin and the PCB board together, in which case, the connection method is called Ball Grid Array (BGA). In another case, the soldering portion of the soldering pin is not provided with a solder ball, but the soldering portion of the soldering pin is directly soldered to the PCB, and the arrangement of the soldering pin is as shown in fig. 19, and the connection manner is called Surface Mounting Technology (SMT).
When the pin is pressed against the PCB board, the pin at this time is called a press pin, and the connection portion is a press contact portion. Plated Through Holes (PTHs) are formed in the PCB (see fig. 20), and the bottom of the terminal is not provided with a bent portion but is a vertical pin structure (not shown), and each of the press pins is inserted into the PTH Through Hole during press-fitting. In one possible implementation, the outer diameter of the press-fit pin is larger than the inner diameter of the PTH through hole, and then the press-fit pin and the PTH through hole can be in direct interference connection. In another possible implementation manner, the outer diameter of the press-fit pin is smaller than the inner diameter of the PTH through hole, and after the press-fit pin is inserted into the PTH through hole, the press-fit pin needs to be welded in the PTH through hole.
When the pins of the terminals are solder pins, the solder pins are bent portions of the bottom portions of the terminals, and the lengths of the bent portions of all the signal terminals may be equal to each other so that the solder portions of the pins of all the signal terminals in the same row of the first terminal module 11 are located on the same straight line. In order to align the soldering portions of the pins of all the ground terminals in the same row of the first terminal module 11, the bent portions of all the ground terminals have the same length. Meanwhile, in order to prevent the welding part of the pin of the signal terminal and the welding part of the pin of the grounding terminal from being positioned on the same straight line, the lengths of the bent part of the signal terminal and the bent part of the grounding terminal are different. In one possible implementation, the length of the bent portion of the signal terminal is greater than the length of the bent portion of the ground terminal, and in another possible implementation, the length of the bent portion of the signal terminal is less than the length of the bent portion of the ground terminal.
In one possible implementation, the connection portions of the pins of all the terminals in each row of the first terminal module 11 are arranged on the same straight line.
In one possible implementation manner, each row of the second terminal modules 12 includes a plurality of signal terminals and a plurality of ground terminals, so that the connection portions of the pins of the plurality of signal terminals are located on a straight line, and the connection portions of the pins of the plurality of ground terminals are located on another straight line, where the straight line and the another straight line are not the same straight line.
In the solution shown in the embodiment of the present application, regarding the description of the multiple signal terminals and the multiple ground terminals in the second terminal module 12, reference may be made to the description of the multiple signal terminals and the multiple ground terminals in the first terminal module 11, and details are not repeated here.
In a possible implementation, each row of the first terminal modules 11 further includes a first injection molded plate, and the plurality of terminals of each row of the first terminal modules 11 are fixed together by the first injection molded plate. The female connector 1 further comprises a plurality of shield plates 13, each shield plate 13 being mounted on a first injection molded plate of a row of first terminal modules 11. And a shield plate 13 for reducing crosstalk between the plurality of terminals in the first terminal module 11 in the same row.
The injection molding plate is a plate formed after an injection molding material is solidified when a plurality of terminals are manufactured into a row of first terminal modules 11 through an injection molding process.
The shield plate 13 is a metal member for reducing crosstalk between the plurality of terminals.
According to the scheme shown in the embodiment of the application, when the first terminal modules 11 in each row are manufactured, firstly, a metal plate is stamped to obtain a plurality of separated terminals, and then, each terminal is fixed through an injection molding process, so that the first terminal modules 11 in each row are formed.
The plurality of terminals comprise signal terminals and ground terminals, two signal terminals are arranged between two adjacent ground terminals, and the number ratio of the signal terminals to the ground terminals is 2: 1. Each of the shield plates 13 includes a plurality of tie bars, each of which is in contact with one of the ground terminals, thereby turning on all the ground terminals in the same row of the first terminal modules 11 and reducing crosstalk between the signal terminals.
Each injection molding plate can be provided with a plurality of bulges, the shielding plate 13 can be provided with a plurality of through holes, when the shielding plate 13 is installed, the through holes of the shielding plate 13 are aligned with the bulges of the injection molding plate, and then the bulges of the injection molding plate are inserted into the through holes of the shielding plate 13, so that the installation between each row of first terminal modules 11 and the shielding plate 13 is completed.
By adding the shielding plate 13, crosstalk between the terminals in each row of the first terminal module 11 can be reduced, and thus, data transmission between two chips is facilitated.
In one possible implementation, each row of the second terminal modules 12 further includes a second injection molded plate, and the plurality of terminals of each row of the second terminal modules 12 are fixed together by the second injection molded plate. The female connector 1 further comprises a plurality of shield plates 13, each shield plate 13 being mounted on a first injection-molded plate of a row of second terminal modules 12. And a shield plate 13 for reducing crosstalk between the plurality of terminals in the second terminal module 12 in the same row.
The embodiment of the application provides a golden finger connector 2, as shown in fig. 2, the golden finger connector 2 includes a PCB 20 and N rows of first golden finger groups 21 arranged on the PCB 20, where N is an integer greater than or equal to 2, the N rows of first golden finger groups 21 are arranged along an insertion direction of the PCB 20, the N rows of first golden finger groups 21 are located on a first surface of the PCB 20, and each row of first golden finger groups 21 includes a plurality of golden fingers. Along the direction of the row of each row of first golden finger group 21, in each two adjacent rows of first golden finger groups 21, each golden finger in one row of first golden finger group 21 is arranged in a staggered manner with the corresponding golden finger in the other row of first golden finger group 21.
The gold finger is a golden conductive contact on the PCB 20, and the surface of the conductive contact may be plated with gold. Each row of the first gold finger group 21 may comprise the same number of gold fingers.
The row direction of each row of the first golden finger group 21 refers to the arrangement direction of the golden fingers in each row of the first golden finger group 21, and the row direction of each row of the first golden finger group 21 is perpendicular to the plugging and unplugging direction of the PCB 20. The inserting and extracting direction of the PCB 20 refers to a moving direction of the PCB 20 during the process of inserting the PCB 20 into the slot or extracting the groove.
Each golden finger in one row of the first golden finger group 21 is arranged in a staggered manner with a corresponding golden finger in the other row of the first golden finger group 21, that is, a gap between two adjacent golden fingers in one row of the first golden finger group 21 is opposite to a position of one golden finger in the other row of the first golden finger group 21, which is equivalent to that one row of the first golden finger group 21 in the two rows of the first golden finger groups 21 which are opposite to each other originally is translated by a certain distance along a direction in which the row of each row of the first golden finger group 21 is located, and in a possible implementation manner, the translation distance may be 0.6 mm.
It should be noted that, a gap between two adjacent golden fingers in one row of the first golden finger group 21 is opposite to a position of one golden finger in another row of the first golden finger group 21, and the gap between two adjacent golden fingers in one row of the first golden finger group 21 may be opposite to a position of one golden finger in another row of the first golden finger group 21, that is, a center of the gap between two adjacent golden fingers in one row of the first golden finger group 21 is opposite to a position of one golden finger in another row of the first golden finger group 21, or may not be opposite to the position.
According to the scheme shown in the embodiment of the application, the golden finger connector 2 provided by the embodiment of the application can be matched with the female connector 1 provided by the embodiment of the application to form a connector assembly together, and the connector assembly is used for connecting a chip in electronic equipment.
During the actual use, the first end of female connector 1 can be with a chip electric connection, and the first end of golden finger connector 2 can be with another chip electric connection, then, insert golden finger connector 2 in the slot of female connector 1, can realize the electric connection between two chips.
In a possible implementation, the second plane is parallel to the first surface of the PCB 20, and in each two adjacent rows of the first gold finger groups 21, an extension of a projection of each gold finger in one row of the first gold finger groups 21 on the second plane is located in a space between projections of two adjacent gold fingers in the other row of the first gold finger groups 21 in the second plane, or is located outside a projection of one outermost gold finger in the other row of the first gold finger groups 21 in the second plane.
In the embodiment of the present application, in each two adjacent rows of the first gold finger groups 21, the width of each gold finger in one row of the first gold finger groups 21 is smaller than the width of the gap between two adjacent gold fingers in the other row of the first gold finger groups 21, so that, in each two adjacent rows of the first gold finger groups 21, the extension of the projection of each gold finger in one row of the first gold finger groups 21 on the second plane is located in the interval between the projections of each two adjacent gold fingers in the other row of the first gold finger groups 21 on the second plane, or is located outside the projection of one outermost gold finger in the other row of the first gold finger groups 21 on the second plane.
In a possible implementation manner, the gold finger connector 2 further includes N rows of second gold finger groups 22 disposed on the second surface of the PCB 20, the first surface and the second surface are two surfaces facing away from the PCB 20, respectively, and the N rows of first gold finger groups 21 and the N rows of second gold finger groups 22 are one-to-one. Along the direction of the rows of the first golden finger group 21, each golden finger in each row of the first golden finger group 21 and the corresponding golden finger in the corresponding row of the second golden finger group 22 are arranged in a staggered manner.
Each golden finger in each row of the first golden finger group 21 and the corresponding golden finger in the corresponding row of the second golden finger group 22 are arranged in a staggered manner, which means that a gap between two adjacent golden fingers in each row of the first golden finger group 21 is opposite to a position of one golden finger in the corresponding row of the second golden finger group 22, which is equivalent to that the first golden finger group 21 or the second golden finger group 22 in the first golden finger group 21 and the second golden finger group 22 which are opposite to each other originally is translated by a distance along a direction in which the row of each row of the first golden finger group 21 is located, and in a possible implementation manner, the translation distance may be 0.6 mm.
The number of rows of the N rows of the first golden finger groups 21 is the same as that of the N rows of the second golden finger groups 22, and the number of golden fingers included in each row of the first golden finger groups 21 is the same as that of the golden fingers included in each row of the second golden finger groups 22.
In the solution provided by the embodiment of the present application, in order to increase the density of the gold fingers and further improve the efficiency of data transmission, N rows of second gold finger groups 22 are disposed on the second surface of the PCB board 20. Further, in order to cooperate with the female connector 1 provided in the embodiment of the present application, each gold finger in each row of the first gold finger group 21 and the corresponding gold finger in the corresponding row of the second gold finger group 22 are arranged in a staggered manner.
In a possible implementation manner, in every two adjacent rows of the second gold finger groups 22, an extension of a projection of each gold finger in one row of the second gold finger groups 22 on the second plane is located in an interval between projections of two adjacent gold fingers in the other row of the second gold finger groups 22 on the second plane, or is located outside a projection of one outermost gold finger in the other row of the second gold finger groups 22 on the second plane.
In a possible implementation, the projection of each gold finger in each row of the first gold finger group 21 in the second plane is located in the interval between the projections of two adjacent gold fingers in the corresponding row of the second gold finger group 22 in the second plane, or is located outside the projection of one outermost gold finger in the corresponding row of the second gold finger group 22 in the second plane.
In the solution shown in the embodiment of the present application, the width of each gold finger in each row of the first gold finger group 21 is smaller than the width of the gap between two adjacent gold fingers in the corresponding row of the second gold finger group 22, so that the projection of each gold finger in each row of the first gold finger group 21 in the second plane is located in the interval between the projections of two adjacent gold fingers in the corresponding row of the second gold finger group 22 in the second plane, or is located outside the projection of one outermost gold finger in the corresponding row of the second gold finger group 22 in the second plane.
The embodiment of the present application provides a connector assembly, as shown in fig. 5, which includes any one of the above-mentioned female connector 1 and any one of the above-mentioned golden finger connector 2, wherein each terminal in the female connector 1 is used for contacting one golden finger in the golden finger connector 2.
For the female connector 1 and the gold finger connector 2, reference may be made to the above description, which is not repeated herein.
In the solution shown in the embodiment of the present application, the connector assembly provided in the embodiment of the present application may include a female connector 1 and a gold finger connector 2, and the gold finger connector 2 includes a PCB 20. The female connector 1 is fixed on a PCB where the chip is located and electrically connected with one chip. The golden finger on the PCB board 20 of the golden finger connector 2 is electrically connected to another chip through a cable. During connection, the golden finger connector 2 is inserted into the slot of the female connector 1, so that the golden finger on the PCB 20 is in contact with the terminal in the female connector 1, thereby realizing the electric connection between the two chips and realizing the data transmission between the two chips.
The connector assembly provided by the embodiment of the application can further comprise two female connectors 1 and one golden finger connector 2, the golden finger connector 2 comprises two PCB boards 20, and the golden fingers on the two PCB boards 20 are electrically connected through cables. One mother socket connector 1 is fixed on the first PCB and electrically connected to the first chip, and the other mother socket connector 1 is fixed on the second PCB and electrically connected to the second chip. Then, insert one PCB board in golden finger connector 2 in the slot of a female connector 1, insert another PCB board in golden finger connector 2 in the slot of another female connector 1 for the golden finger on two PCB boards of golden finger connector 2 contacts with the terminal in two female connector 1 respectively, thereby, realize the electric connection between first chip and the second chip, can realize data transmission between first chip and the second chip. The first PCB and the second PCB may be the same PCB or two different PCBs.
In a possible implementation manner, during the insertion of the gold finger connector 2 into the female connector 1 or during the extraction from the female connector 1, the elastic contact portion of each terminal in each row of terminal modules in the female connector 1 is not contacted with the gold finger in the other row of gold finger groups that has passed through but is arranged in the staggered row with the target gold finger before contacting with the target gold finger.
Each row of terminal modules refers to each row of the first terminal module 11 and each row of the second terminal module 12.
The target gold finger is a gold finger for a certain terminal to contact with the terminal.
The other gold finger row groups that have passed through are that, for a certain row of terminal modules, in the process of inserting or extracting the gold finger connector 2, the gold fingers in the gold finger row groups have already contacted the terminals in the row of terminal modules, or the gaps between two adjacent gold fingers in the gold finger row groups have already contacted the terminals in the row of terminal modules.
The other gold finger arrangement groups arranged in a staggered manner with the arrangement of the target gold finger can also be considered as gold finger groups with odd gold finger groups arranged between the other gold finger arrangement groups and the arrangement of the target gold finger.
According to the scheme shown in the embodiment of the application, in the process that the golden finger connector 2 is inserted into the female connector 1 or pulled out from the female connector 1, before the elastic contact part of each terminal in each row of terminal modules in the female connector 1 is contacted with the target golden finger, the golden finger in other rows of golden fingers which pass through the elastic contact part but are arranged in a staggered manner with the row where the target golden finger is located is not contacted, so that the golden finger connector 2 reduces redundant abrasion on the golden finger and the terminal as much as possible in the process of inserting and pulling out the female connector 1, and the service life of the connector assembly is prolonged.
In order to achieve the above function, correspondingly, the width of the elastic contact portion of each terminal in each row of terminal modules in the female connector 1 is smaller than the width of the gap between two adjacent golden fingers in the other row of golden finger groups which have passed through but are arranged in a staggered manner with the row where the target golden finger is located.
In a possible implementation manner, as shown in fig. 15 and 16, two side walls of the PCB 20 of the golden finger connector 2 are respectively provided with a first limiting groove 201, an inner side of a third side wall and an inner side of a fourth side wall of the slot are respectively provided with a first limiting boss 103, and the third side wall and the fourth side wall are two opposite side walls in the slot. A first limiting boss 103 arranged on the inner side of the third side wall of the slot is clamped in one first limiting groove 201, and a first limiting boss 103 arranged on the inner side of the fourth side wall of the slot is clamped in the other first limiting groove 201.
The PCB 20 of the golden finger connector 2 exposes two side walls and a plug front wall, the two side walls are opposite, and the plug front wall is located at the plug front end of the PCB 20.
According to the scheme shown in the embodiment of the application, the first limiting boss 103 is arranged on the inner side of the third side wall and the inner side of the fourth side wall of the slot respectively, the two side walls of the PCB 20 are respectively provided with the limiting groove, so that the PCB 20 can be prevented from shaking greatly in the vertical direction and the horizontal direction in the female connector 1.
Two first spacing bosss 103 are elastic bosss, and specifically, two first spacing bosss 103 are metal shrapnel structures.
In one possible implementation, as shown in fig. 15 and 16, a second limiting groove 202 is formed on the plugging front wall of the PCB 20. The bottom surface of the slot is provided with a second limiting boss 104, and the second limiting groove 202 is used for clamping the second limiting boss 104.
The scheme shown in the embodiment of the application sets up the second limit boss 104 on the bottom surface of the slot, and sets up the second limit groove 202 on the plug front wall of the PCB board 20 of the golden finger connector 2, so that the PCB board 20 can be prevented from greatly shaking in the horizontal direction in the interior of the female connector 1.
During the grafting, insert the PCB board 20 of golden finger connector 2 in the slot of female connector 1, the lateral wall and two first spacing bosss 103 of PCB board 20 at first contact, under the pressure of lateral wall, two first spacing archs shrink, when two first spacing archs and two first spacing grooves 201 contact, two first spacing protruding expansions to the card is in two first spacing grooves 201. Meanwhile, the second limit boss 104 is clamped in the second limit groove 202, thereby completing the limit insertion of the PCB board 20.
In a possible implementation manner, as shown in fig. 16, a third limiting groove 203 is further disposed on one side of the PCB 20 along a width direction of the PCB 20 of the gold finger connector 2, a width of the third limiting groove 203 matches with a thickness of a third sidewall of the slot, the third limiting groove 203 is used for being clamped on the third sidewall, and the width direction of the PCB 20 is perpendicular to the inserting and extracting direction of the PCB 20.
The width direction of the PCB 20 of the gold finger connector 2 is perpendicular to the inserting and extracting direction of the gold finger connector 2. The inserting and extracting direction of the gold finger connector 2 refers to a moving direction of the gold finger connector 2 in a process of inserting or extracting the gold finger connector 2 into or from the slot of the female connector 1.
According to the scheme shown in the embodiment of the application, the third limiting groove 203 is arranged, so that the third limiting groove 203 is clamped on the third side wall of the slot, and therefore the PCB 20 is prevented from shaking greatly in the horizontal direction.
In one possible implementation manner, as shown in fig. 17, a fourth limiting groove is respectively disposed on two side edges of the PCB along the width direction of the PCB board 20 of the gold finger connector 2. The female connector 1 further includes two ear clips 16, and the two ear clips 16 are disposed at the front end of the insertion slot and located on two sides of the insertion slot along the width direction of the insertion slot.
The width direction of the PCB 20 of the golden finger connector 2 is perpendicular to the plugging direction of the PCB 20, and each fourth limiting groove is matched with one ear clip 16.
The structure of the ear clip 16 may be similar to the structure of the component for fixing the memory bank disposed at the two ends of the memory bank slot, and may also be referred to as a clip.
The insertion and extraction front end of the slot refers to the portion of the PCB 20 that the PCB 20 passes through first during the process of inserting the PCB 20 of the golden finger connector 2 into the slot of the female connector 1. The plugging front end of the slot may refer to a top wall of the slot, that is, a top wall of the main body mounting base 10.
In the embodiment of the present application, the ear clip 16 includes a fixing portion and a rotating portion, the fixing portion is fixed on the front end of the insertion and extraction slot, and the rotating portion can rotate around the fixing portion. Before inserting the PCB board 20 of golden finger connector 2, will be earlier with two rotating parts outwards rotatory, avoid the rotating part to interfere the grafting of PCB board 20, after PCB board 20 grafting is accomplished, with two rotating part relative rotations, make ear buckle 16 and fourth spacing groove contact to, block PCB board 20, restrict rocking of PCB board 20.
By arranging the ear clip 16 and the fourth limiting groove, when the PCB 20 of the golden finger connector 2 is a large-sized PCB, the shaking limitation on the PCB 20 is better.
In one possible implementation manner, as shown in fig. 13 and 14, the gold finger connector 2 further includes a housing 23, a first guiding protrusion 231 and a second guiding protrusion 232 are disposed on an outer wall of the housing 23, the female connector 1 further includes a housing 15, and a first guiding groove 151 and a second guiding groove 152 are disposed on the housing 15. The first guide protrusion 231 is matched with the first guide groove 151 in position and shape, the second guide protrusion 232 is matched with the second guide groove 152 in position and shape, and the difference between the width of the first guide groove 151 and the width of the first guide protrusion 231 is greater than the difference between the width of the second guide groove 152 and the width of the second guide protrusion 232.
In the solution shown in the embodiment of the present application, as shown in fig. 9 to 11, the female connector 1 includes two snap caps 14, and the two snap caps 14 are respectively snapped on the first supporting portion 101 and the second supporting portion 102 of the main body mounting seat 10. The multi-row first terminal modules 11 and the multi-row second terminal modules 12 are covered by the buckle cover 14, so that the multi-row first terminal modules 11 and the multi-row second terminal modules 12 are protected.
The edge positions of the first supporting part 101 and the second supporting part 102 on the main body installation base 10 are provided with protrusions for installation, the edge of the buckle cover 14 is provided with through holes for installation, the position and the shape of each protrusion are matched with the position and the shape of one through hole, during installation, the through holes are aligned to the protrusions, and the protrusions are inserted into the through holes, so that the buckle cover 14 and the main body installation base 10 are fixed.
The housing 15 of the female connector 1 is sleeved on the main body mounting seat 10 and the buckle cover 14, wherein the housing 15 may be a plastic part. The lower portion of each buckle cover 14 is provided with two protrusions, the thickness of which gradually increases from top to bottom. Also, the lower portions of the outer walls of the two side walls of the main body mounting seat 10 are respectively provided with a protrusion, and the thickness of the protrusion is gradually increased from top to bottom. Correspondingly, two through holes are arranged on the lower part of the wall of the shell 15 matched with the buckle cover 14 of the female connector 1, and one through hole is arranged on the lower part of the wall of the shell 15 matched with the side wall of the main body mounting seat 10. Each through hole is matched with the position and the shape of one bulge.
During installation, the female connector 1 is inserted into the main body installation seat 10 with the buckle cover 14 installed, and in the insertion process, the protrusions are gradually inserted into the through holes, and finally, each protrusion is clamped in one through hole, so that the installation among the shell 15, the buckle cover 14 and the main body installation seat 10 is completed.
As for the assembling process of the female connector 1, fig. 7 to 12 can be referred to.
Through set up the direction recess on casing 15 at female seat connector 1, set up the direction arch on the outer wall of the shell 23 of golden finger connector 2 for when the golden finger connector 2 is pegging graft the recess of female seat connector 1, need insert the direction recess earlier with the direction arch, thereby, at the grafting in-process, played the guide effect to golden finger connector 2, and then, made things convenient for grafting of golden finger connector 2 with female seat connector 1.
Moreover, the width difference between the first guide groove 151 and the first guide protrusion 231 is greater than the width difference between the second guide groove 152 and the second guide protrusion 232, so that the first guide groove 151 is matched with the first guide protrusion 231 to play a coarse guide role in the plugging process of the golden finger connector 2, and the second guide groove 152 is matched with the second guide protrusion 232 to play a fine guide role in the plugging process of the golden finger connector 2. Furthermore, in the plugging process of the gold finger connector 2, the function of fool-proofing can be achieved, and the PCB board 20 of the gold finger connector is prevented from shaking greatly in the female connector 1. Alternatively, as shown in fig. 14, the width of the first guide protrusion 231 may be greater than the width of the second guide protrusion 232, and accordingly, as shown in fig. 13, the width of the first guide groove 151 may be greater than the width of the second guide groove 152.
In one possible implementation, as shown in fig. 12, a guide groove is provided on the housing of the female connector 1.
Through each limit structure, the PCB 20 is limited from shaking in the female connector 1, so that the PCB 20 is more stably contacted with the female connector 1. The Demating of the matching of the female connector 1 and the PCB 20 is less than 0.8 mm. Wherein, Demating means that PCB board 20 and female socket connector 1 peg graft the back, the direct maximum clearance in cooperation interface, when PCB board 20 and female socket connector 1 peg graft promptly, be greater than 0.8mm apart from the cooperation position and do not switch on, switch on at the position that is less than 0.8mm, thereby, make golden finger connector 2 and female socket connector 1 in case the grafting is gone up, the contact of golden finger and terminal is just very stable, avoided very far apart from the cooperation position, golden finger connector 2 and female socket connector 1 are electric connection just, data transmission's stability has been guaranteed.
The embodiment of the application provides electronic equipment, which comprises the connector assembly, wherein at least two chips in the electronic equipment are electrically connected through the connector assembly.
The electronic device may be a terminal or a server.
According to the scheme shown in the embodiment of the application, the electronic equipment provided by the embodiment of the application uses the connecting component to connect two chips in the electronic equipment, so that data transmission can be performed between the two chips. The first end of the female connector 1 can be electrically connected with one chip, the first end of the golden finger connector 2 can be electrically connected with another chip, and then the golden finger connector 2 is inserted into the slot of the female connector 1, so that the electrical connection between the two chips can be realized. In every two adjacent rows of first terminal modules, each terminal in one row of first terminal modules and the corresponding terminal in the other row of first terminal modules are arranged in a staggered mode, so that crosstalk between two corresponding terminals in the two adjacent rows of first terminal modules is weakened, and influence on data transmission between chips is reduced.
The above description is only one embodiment of the present application and should not be taken as limiting the present application, and any modifications, equivalents, improvements, etc. made within the principle of the present application should be included in the protection scope of the present application.

Claims (18)

1. A female connector is characterized by comprising a slot and N rows of first terminal modules arranged along the depth direction of the slot, wherein N is an integer greater than or equal to 2, the N rows of first terminal modules are positioned on a first side wall of the slot, and each row of first terminal modules comprises a plurality of terminals;
in the direction of the row of the first terminal modules in each row, in every two adjacent rows of the first terminal modules, each terminal in one row of the first terminal modules is arranged in a staggered way with the corresponding terminal in the other row of the first terminal modules;
each row of first terminal module comprises a plurality of signal terminals and a plurality of ground terminals, the distance between the connecting part of the pin of one adjacent signal terminal and the connecting part of the pin of one ground terminal is greater than the distance between the connecting parts of the pins of two adjacent signal terminals, the connecting parts of the pins of the plurality of signal terminals are positioned on one straight line, the connecting parts of the pins of the plurality of ground terminals are positioned on another straight line, and the straight line and the another straight line are not the same straight line.
2. The header connector according to claim 1, wherein the first plane is perpendicular to the groove bottom of the insertion groove, in each of two adjacent rows of the first terminal modules, wherein a projection of each terminal in one row of the first terminal modules onto the first plane is located in a space between projections of each of two adjacent terminals in the other row of the first terminal modules onto the first plane, or is located outside a projection of one outermost terminal in the other row of the first terminal modules onto the first plane.
3. The female connector according to claim 1 or 2, further comprising N rows of second terminal modules located on second side walls of the insertion slot, the second side walls and the first side walls being located on opposite sides of the insertion slot, respectively, the N rows of first terminal modules and the N rows of second terminal modules being one-to-one;
along the direction of the rows of the first terminal modules, each terminal in each row of the first terminal modules and the corresponding terminal in the corresponding row of the second terminal modules are arranged in a staggered mode.
4. The female connector according to claim 3, wherein a first plane is perpendicular to a groove bottom of the insertion groove, a projection of each terminal in each row of the first terminal modules in the first plane is located in a space between projections of each of adjacent two terminals in a corresponding row of the second terminal modules in the first plane, or an outer side of a projection of one outermost terminal in a corresponding row of the second terminal modules in the first plane.
5. The female connector according to claim 1 or 2, further comprising a first support having N rows of first projecting portions, the N rows of first projecting portions corresponding one-to-one to the N rows of first terminal modules, and each row of first terminal modules including a plurality of terminals corresponding one-to-one to a plurality of projecting portions included in a corresponding row of first projecting portions, wherein the elastic contact portion of each terminal projects through the corresponding projecting portion.
6. The female connector according to claim 5, wherein in the first protruding portions in two adjacent rows, the plurality of protruding portions in one row are arranged to be offset from the plurality of protruding portions in the other row.
7. A golden finger connector, which is used for matching with the female connector of any one of claims 1 to 6, and comprises a PCB and N rows of first golden finger groups arranged on the PCB, wherein N is an integer greater than or equal to 2, the N rows of first golden finger groups are arranged along the insertion direction of the PCB, the N rows of first golden finger groups are positioned on the first surface of the PCB, and each row of first golden finger groups comprises a plurality of golden fingers;
and along the direction of the rows of the first golden finger groups in each row, in every two adjacent rows of the first golden finger groups, each golden finger in one row of the first golden finger groups is arranged in a staggered way with the corresponding golden finger in the other row of the first golden finger groups.
8. The gold finger connector of claim 7 wherein the second plane is parallel to the first surface of the PCB board, and in each two adjacent rows of the first gold finger sets, an extension of a projection of each gold finger in one row of the first gold finger sets onto the second plane is located in a space between projections of each of two adjacent gold fingers in the other row of the first gold finger sets onto the second plane, or is located outside a projection of an outermost gold finger in the other row of the first gold finger sets onto the second plane.
9. The golden finger connector of claim 7 or 8, further comprising N rows of second golden finger groups disposed on a second surface of the PCB board, the first surface and the second surface being two surfaces facing away from the PCB board, respectively, the N rows of first golden finger groups being one-to-one with the N rows of second golden finger groups;
along the direction of the rows of the first golden finger groups, each golden finger in each row of the first golden finger groups and the corresponding golden finger in the corresponding row of the second golden finger groups are arranged in a staggered mode.
10. The gold finger connector of claim 9 wherein the second plane is parallel to the first surface of the PCB board, and wherein the projection of each gold finger in each first set of gold fingers in each row in the second plane is located in the space between the projections of each of the adjacent two gold fingers in the corresponding second set of gold fingers in the second row or is located outside the projection of one outermost gold finger in the corresponding second set of gold fingers in the second plane.
11. A connector assembly comprising the female connector of any one of claims 1 to 6 and the gold finger connector of any one of claims 7 to 10, each terminal in the female connector being for contact with a corresponding one of the gold fingers.
12. The connector assembly of claim 11, wherein during the insertion of the golden finger connector into the female connector, the resilient contact portion of each terminal in each row of terminal modules in the female connector is not in contact with the golden finger in the other row of golden finger groups that has passed through but is in an offset arrangement with the row in which the golden finger is located before the resilient contact portion of each terminal in each row of terminal modules is in contact with the target golden finger.
13. The connector assembly of claim 11, wherein the two side walls of the PCB board are respectively provided with a first position-limiting groove, the inner sides of the third side wall and the fourth side wall of the slot are respectively provided with a first position-limiting projection, and the third side wall and the fourth side wall are two opposite side walls in the slot; the first limiting boss arranged on the inner side of the third side wall of the slot is clamped in the first limiting groove, and the first limiting boss arranged on the inner side of the fourth side wall of the slot is clamped in the other first limiting groove.
14. The connector assembly of claim 13, wherein the insertion front wall of the PCB board is provided with a second retaining groove; the bottom surface of the slot is provided with a second limiting boss, and the second limiting groove is used for clamping the second limiting boss.
15. The connector assembly according to claim 14, wherein a third limiting groove is further formed in one side of the PCB along a width direction of the PCB, a width of the third limiting groove matches a thickness of a third sidewall of the slot, the third limiting groove is configured to be clamped on the third sidewall, and the width direction of the PCB is perpendicular to a plugging direction of the PCB.
16. The connector assembly according to claim 11 or 12, wherein a fourth limiting groove is formed on each of both side edges of the PCB in the width direction of the PCB;
the female connector still includes two ear buckles, two ear buckles all are set up the plug front end of slot, and follow the width direction of slot is located respectively the both sides of slot, wherein the width direction perpendicular to of slot the plug direction of PCB board, each fourth spacing groove and an ear buckle phase-match.
17. The connector assembly of claim 11, wherein the golden finger connector further comprises a housing, the housing having an outer wall provided with a first guide projection and a second guide projection, the female connector further comprising a housing provided with a first guide groove and a second guide groove;
the position and the shape of the first guide protrusion are matched with those of the first guide groove, the position and the shape of the second guide protrusion are matched with those of the second guide groove, and the difference between the width of the first guide groove and the width of the first guide protrusion is larger than the difference between the width of the second guide groove and the width of the second guide protrusion.
18. An electronic device comprising the connector assembly of any one of claims 11-17, wherein at least two chips in the electronic device are electrically connected by the connector assembly.
CN201910855092.4A 2019-09-10 2019-09-10 Female connector, golden finger connector, connector assembly and electronic equipment Active CN110690603B (en)

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Publication number Priority date Publication date Assignee Title
CN112103723B (en) * 2020-10-09 2022-03-29 东莞立讯技术有限公司 Terminal structure and electric connector
CN114520424A (en) * 2020-11-19 2022-05-20 中兴通讯股份有限公司 Golden finger connector and connect electric module, power cabinet thereof
CN113904144B (en) * 2021-09-22 2024-04-05 中航光电科技股份有限公司 Adapter and printed board connector assembly

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CN201117857Y (en) * 2007-11-19 2008-09-17 东莞长安乌沙联基电业制品厂 Crosstalk-free high-resolution multimedia digital connector
CN103996914A (en) * 2013-02-20 2014-08-20 日本航空电子工业株式会社 Connector
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