WO2019144440A1 - 双屏蔽高速对接连接器 - Google Patents

双屏蔽高速对接连接器 Download PDF

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Publication number
WO2019144440A1
WO2019144440A1 PCT/CN2018/075553 CN2018075553W WO2019144440A1 WO 2019144440 A1 WO2019144440 A1 WO 2019144440A1 CN 2018075553 W CN2018075553 W CN 2018075553W WO 2019144440 A1 WO2019144440 A1 WO 2019144440A1
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WO
WIPO (PCT)
Prior art keywords
insulator
double
docking connector
shield
fixing
Prior art date
Application number
PCT/CN2018/075553
Other languages
English (en)
French (fr)
Inventor
陈信智
Original Assignee
欧品电子(昆山)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 欧品电子(昆山)有限公司 filed Critical 欧品电子(昆山)有限公司
Priority to US16/628,024 priority Critical patent/US10916895B2/en
Publication of WO2019144440A1 publication Critical patent/WO2019144440A1/zh

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H01R13/518—Means for holding or embracing insulating body, e.g. casing, hoods for holding or embracing several coupling parts, e.g. frames
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587—Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits
    • H01R12/724—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures coupling devices mounted on the edge of the printed circuits containing contact members forming a right angle
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them

Definitions

  • the present invention relates to a connector, and more particularly to a double shielded high speed docking connector capable of reducing crosstalk between adjacent differential pair signal terminals.
  • the high-speed docking connector is used in market segments such as networking and wireless devices to provide high-speed or higher-speed transmission.
  • a primary object of the present invention is to provide a double shielded high speed docking connector that effectively reduces crosstalk between adjacent differential pair signal terminals and crosstalk between adjacent frame components.
  • a double shielded high speed butt joint includes an elongated die cast metal casing, an elongated positioning seat, and a row of frame assemblies.
  • the outer casing has a top wall, a bottom wall, two side walls, and a cavity surrounded by the top wall, the bottom wall and the two side walls; the outer casing further has a row behind the outer casing and perpendicular to Parallel stepped vertical walls of the top wall, and a plurality of horizontal channels separated by the vertical walls and in communication with the cavity.
  • the locator has a row of parallel stepped upstanding walls and a plurality of vertical channels separated by the upstanding walls and passing through the bottom of the locator.
  • the frame assembly has an insulator, two rows of signal terminals supported by the insulator and arranged in a differential pair, a first shield mounted on one side of the insulator, and one mounted on the other side of the insulator and capable of A second shield connected to the shield.
  • Each of the signal terminals has a conductive contact exposed at a front end of the insulator, and a conductive tail extending from a bottom edge of the insulator; wherein the conductive contact passes through a corresponding horizontal passage into the cavity of the outer casing, and The conductive tail extends through the corresponding vertical passage and extends out of the bottom surface of the positioning seat.
  • the insulator has at least one fixing groove extending through the left and right sides of the insulator and between adjacent differential signal terminals.
  • the first shield has a first vertical body portion that abuts one side of the insulator, and at least one fixed arm that can extend into the fixing slot of the insulator;
  • the second shield The member has a second vertical body portion abutting against the other side of the insulator, at least one elastic panel formed on the second vertical body portion, and at least one formed on the elastic panel and capable of being aligned a locking hole of the fixing slot; wherein a front end of the fixing arm of the first shielding member is inserted into the locking hole of the second shielding member, so that the first shielding member and the second shielding member are fixed together and fixed together on the insulator .
  • the insulator is formed by combining two halves, one half of which supports one column of signal terminals and the other half of which supports another column of signal terminals, the two halves being combined such that the two columns of signal terminals constitute a plurality of differential pair signal terminals; the fixing slots extend through the two halves and have at least one fixing slot between each two adjacent signal terminals of each half.
  • the fixing arm of the first shielding member is vertically bent toward the insulator, and at least one toothed tab is formed at a front end of the fixing arm; and the elastic panel of the second shielding member is oriented The direction of the insulator is convex.
  • At least one heat dissipation channel is disposed on each side of the insulator; the first shielding member further has at least one first opening formed on the first vertical body portion; and the second The shielding member further has at least one second opening formed on the second vertical body portion; wherein the first opening and the second opening respectively correspond to the heat dissipation channel of the insulator.
  • the first shield further has at least one first flap bent away from the insulator to contact the second shield of the adjacent frame assembly; and the second shield further A second flap having at least one direction that is bent away from the insulator to contact the first shield of another adjacent frame assembly.
  • the double shielded high speed docking connector further includes a row of mountain type grounding strips; and a lateral grounding groove is formed on the bottom surface of the positioning seat corresponding to the bottom position of each of the standing vertical walls; each grounding The pieces are mounted in corresponding lateral grounding slots.
  • each grounding piece has a mountain shape; the grounding piece has a beam, three U-shaped fixing portions protruding from the beam, and three formed on the U-shaped fixing portions. Ground the tail.
  • each of the U-shaped fixing portions has a base portion and two arms symmetrically disposed on both sides of the base portion and perpendicular to the base portion.
  • the double-shielded high-speed docking connector further includes a long strip holder having horizontal fixing pieces and vertical fixing pieces perpendicular to each other, the horizontal fixing piece being fixed to the top wall of the outer casing Upper, and the vertical fixing piece is fixed to the rear surface of the positioning seat.
  • the double-shielded high-speed docking connector of the present invention can reduce crosstalk between adjacent differential pair signal terminals by providing two shielded members on each frame assembly, and can effectively reduce crosstalk. Signal interference between adjacent frame components.
  • crosstalk can be further reduced by providing a grounding piece.
  • FIG. 1 is a schematic perspective view of a double shielded high speed docking connector of the present invention.
  • FIG. 2 is a schematic exploded view of the double shielded high speed docking connector of the present invention shown in FIG. 1.
  • FIG 3 is a schematic exploded view of the double shielded high speed docking connector of the present invention in another direction.
  • FIG. 4 is a perspective view of the outer casing of the double shielded high speed docking connector of the present invention.
  • Figure 5 is a schematic view showing the structure of the outer casing of the present invention in the other direction.
  • Figure 6 is a schematic cross-sectional view of the outer casing taken along line A-A of Figure 5.
  • FIG. 7 is a perspective view showing the positioning structure of the double-shielded high-speed docking connector of the present invention.
  • Fig. 8 is a cross-sectional structural view of the positioning seat taken along line B-B of Fig. 7.
  • Figure 9 is an enlarged schematic view showing the structure of the bottom surface portion of the positioning base of the present invention.
  • Figure 10 is a schematic view showing the structure of one of the frame assemblies shown in Figure 2, the frame assembly having a plurality of signal terminals arranged in differential pairs.
  • Figure 11 is an exploded perspective view of the frame assembly of Figure 10 with the two shields removed from the sides of the frame assembly.
  • Fig. 12 is a structural schematic view showing the frame assembly of Fig. 11 further exploded.
  • Figure 13 is a schematic view showing the structure of the frame assembly of the present invention in another direction.
  • Figure 14 is an exploded perspective view of the frame assembly of Figure 13 mainly showing the separation of the two shield members from both sides of the frame assembly.
  • Figure 15 is a structural arrangement relationship between two shield members of the present invention.
  • Figure 16 is a perspective view showing the structure of the grounding piece of the present invention.
  • Figure 17 is a schematic view showing the bottom structure of the double shielded high speed docking connector of the present invention, in which the partial structure of the bottom portion is mainly shown.
  • Figure 18 is a block diagram of a high speed plug connector that can be interfaced with the double shielded high speed docking connector of the present invention.
  • Figure 19 is a schematic view showing the structure of one of the frame assemblies of the high speed plug connector shown in Figure 18.
  • FIG. 20 is a schematic view of the docking of the high speed docking connector of FIG. 1 and the high speed plug connector of FIG. 18.
  • First shield 33 first vertical body portion 330
  • Second shield 34 second vertical body 340
  • the double shielded high speed docking connector 1 of the present invention is referred to herein as a high speed socket connector that can be mounted in parallel on a circuit board (not shown).
  • the high speed docking connector 1 includes an elongated outer casing 10, an elongated positioning seat 20, and a row of frame assemblies 30.
  • the outer casing 10 has a longer top wall 11, a shorter bottom wall 12, two side walls 13, and a periphery of the top wall 11, the bottom wall 12 and the two side walls 13.
  • the cavity 14 is formed.
  • the outer casing is a die-cast metal casing that provides electromagnetic shielding.
  • the outer casing 10 further has a row of parallel stepped vertical walls 15, and a plurality of partitions separated by the vertical walls 15 and associated with the cavity 14 Horizontal channel 16 that is in communication. These vertical walls 15 are located behind the outer casing 10 and perpendicular to the top wall 11.
  • the positioning base 20 has an elongated shape, and has a row of parallel stepped upright walls 21, and a plurality of the vertical standing walls 21 are separated and passed through the positioning seat.
  • the vertical channel 22 at the bottom of the 20 (see Figure 8).
  • three vertical passages 22 are formed between every two upright walls 21.
  • a lateral grounding groove 23 is formed on the bottom surface of the positioning base 20 corresponding to the bottom position of each of the upright walls 21.
  • the frame assembly 30 has an insulator 31, two rows of signal terminals 32 supported by the insulator 31 and arranged in a differential pair, and one mounted on the side of the insulator 31.
  • the first shield member 33 and a second shield member 34 mounted on the other side of the insulator 31 and connectable to the first shield member 33.
  • phase connection means that the first shielding member 33 forms a ground connection with the second shielding member 34, and the manner of achieving “phase connection” includes, but is not limited to, formed by contact between the two. Connection, and the connection formed by the two being fixed together. A connection method (such as a fixed connection) will be described in detail later.
  • the insulator 31 has at least one fixing groove 310 penetrating the left and right sides of the insulator 31.
  • the fixed slot 310 is located between two adjacent differential pair signal terminals 32.
  • at least one heat dissipation channel 311 is disposed on both sides of the insulator 31.
  • the insulator 31 is formed by combining two halves 35, 36, wherein one half 35 supports one column of signal terminals 32 and the other half 36 supports another column of signal terminals 32'.
  • the two halves 35, 36 are combined such that the two column signal terminals 32, 32' constitute a plurality of differential pair signal terminals 32a, 32b, 32c.
  • the fixing groove 310 penetrates the two halves 35, 36.
  • the half 35 has a plurality of fixing grooves 310, and at least one fixing groove 310 is provided between every two adjacent signal terminals 32 of the half 35.
  • the shape of the fixing grooves 310 is not the same.
  • an upper fixing groove 310 is L-shaped, and a lower fixing groove 310 is in a letter shape.
  • each of the signal terminals 32 has a conductive contact portion 320 exposed at the front end of the insulator 31, and a conductive tail portion 321 extending from the bottom edge of the insulator 31.
  • the frame assembly 30 has six signal terminals 32 arranged as three differential pair signal terminals 32a, 32b, 32c.
  • the first shield member 33 has a first vertical body portion 330 and at least one fixed arm 331 perpendicular to the first vertical body portion 330.
  • the first vertical body portion 330 can abut against a side surface of the insulator 31.
  • the fixing arm 331 extends into the fixing slot 310 of the insulator 31 to be engaged with the second shielding member 34.
  • the fixed arm 331 is vertically bent toward the insulator 31, and at least one toothed tab 332 is formed at a front end thereof.
  • the first shield 33 has three fixed arms 331 perpendicular to the first vertical body portion 330, and two toothed tabs 332 are formed at the front end of a portion of the fixed arms 331.
  • the number of the fixed arm 331 and the toothed insert 332 may vary according to structural requirements.
  • the second shielding member 34 has a second vertical body portion 340 , at least one elastic panel 341 formed on the second vertical body portion 340 , and at least one formed on the elastic body.
  • the second vertical body portion 340 can abut against the other side of the insulator 31, and the locking hole 342 is aligned with the corresponding fixing slot 310 to be inserted into the front end of the fixing arm 331 of the first shielding member 33.
  • the keyhole 342 is inside. Specifically, please refer to FIG. 11 and FIG.
  • the toothed tab 332 of the first shielding member 33 can be inserted into the locking hole 342 of the second shielding member 34, thereby the first shielding member 33 and The second shield members 34 are coupled together such that the first shield member 33 is integrally formed with the second shield member 34 while both are firmly fixed to the insulator 31.
  • the elastic panel 341 protrudes toward the insulator 31 to ensure that the toothed tab 332 and the locking hole 342 do not loosen after the latching.
  • the second shielding member 34 has a plurality of elastic panels 341 and a plurality of locking holes 342. It can be seen that the number of the locking holes 342 can be determined according to the actual structure.
  • the first shield member 33 is mounted on one side of one of the half portions 35, and its first body portion 330 is away from the other half portion 36.
  • the second shield member 34 is mounted to one side of the other half 36 and its second body portion 340 is remote from the half of the portion 35.
  • the first shielding member 33 further has at least one first opening 333 formed on the first vertical body portion 330
  • the second shielding member 34 further has at least one formed thereon.
  • the second opening 343 of the second vertical body portion 340, the first opening 333 and the second opening 343 correspond to the heat dissipation channel 311 of the insulator 31, so that the heat dissipation channel 311 can be kept open.
  • the first shield member 33 further has at least one first flap 334 bent away from the insulator 31, and is capable of contacting a second shield member of an adjacent frame assembly (not labeled), thereby Form a complete shield.
  • the second shield member 34 also has at least one second flap 344 bent away from the insulator 31, and is capable of contacting the first shield of another adjacent frame assembly. Thereby forming a complete shielding structure.
  • some structures matching the insulator 31 may be disposed on the first shielding member 33 or/and the second shielding member 34 to enhance the bonding force between the two shielding members 33 and 34 and the insulator 31.
  • the first shielding member 33 is mounted on the side of the insulator 31 , and each of the fixing arms 331 extends into the corresponding fixing slot 310 of the insulator 31 , and can be isolated in the fixing slot 310 .
  • the toothed insert 332 can be inserted into the locking hole 342 of the second shield member 34 to fix the first shield member 33 and the second shield member 34 to the insulator 31.
  • each frame assembly 30 passes through the corresponding horizontal passage 16 from the rear of the outer casing 10 and enters the outer space of the outer casing 10.
  • the cavity 14 (shown in Figure 1) is ready to interface with a high speed plug connector.
  • the conductive tails 321 of the frame assembly 30 pass through the corresponding vertical passages 22 from above the positioning base 20 and protrude from the bottom surface of the positioning base 20, as shown in FIG.
  • the stepped upright walls 21 of the positioning seat 20 cooperate with the stepped vertical walls 15 of the outer casing 10 to enclose the frame assemblies 30 to form a unitary body.
  • the double shielded high speed docking connector 1 further includes a row of mountain-shaped grounding lugs 40.
  • each of the grounding pieces 40 has a mountain shape.
  • the grounding strip 40 has a beam 41, three U-shaped fixing portions 42 protruding from the beam 41, and at least one grounding tail portion 43 protruding from one of the fixing portions.
  • the beam 41 has a vertical plate-like structure
  • each of the U-shaped fixing portions 42 has a base portion 420 and two arm portions 422 symmetrically disposed on both sides of the base portion 420 and perpendicular to the base portion 420.
  • the ground tail portion 43 is pin-eye shaped and extends downward from the lower edge of the base portion 420.
  • the grounding lug 40 has three grounding tails 43 formed on the three U-shaped fixing portions 42, respectively.
  • each grounding piece 40 is mounted in a corresponding lateral grounding groove 23 on the bottom surface of the positioning seat 20, and each U-shaped fixing portion 42 is aligned.
  • the three ground tails 43 extend out of the bottom surface of the positioning seat 20.
  • the double shielded high speed docking connector 1 of the present invention further includes an elongated retainer 50.
  • the holder 50 has a horizontal fixing piece 51 and a vertical fixing piece 52 which are perpendicular to each other, and the horizontal fixing piece 51 is fixed to the top wall 11 of the outer casing, and the vertical fixing piece 52 is fixed to the rear of the positioning seat 20. On the surface.
  • the present invention also provides another double shielded high speed docking connector, referred to herein as a high speed plug connector 9.
  • a high speed plug connector 9 As shown in Fig. 19, two shield members 91, 92 are provided on the plug frame assembly 90 of the high speed plug connector 9, so that crosstalk between adjacent differential pair signal terminals can be effectively reduced.
  • the high speed plug connector 9 can be interfaced with the high speed socket connector (double shielded high speed dock connector 1).
  • the double-shielded high-speed docking connector 1 of the present invention can reduce the phase by providing a double shielding structure connected or fixed together on each frame assembly 30, for example, the first shielding member 33 and the second shielding member 34.
  • the crosstalk between the adjacent differential pair signal terminals 32 can also effectively reduce signal interference between adjacent frame assemblies 30. Further, by providing the grounding piece 40, crosstalk can be further reduced.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

本发明公开一种双屏蔽高速对接连接器，其包括有一外壳、一定位座、以及一排框架组件。该框架组件具有一绝缘体、两列由该绝缘体支撑并被布置成差分对的信号端子、一安装于该绝缘体一侧的第一屏蔽件、以及一安装于该绝缘体另一侧并能够与该第一屏蔽件相连接的第二屏蔽件。本发明双屏蔽高速对接连接器通过在每个框架组件上设置两个屏蔽件，不但可以降低相邻差分对信号端子之间的串扰，还可以有效降低相邻框架组件之间的信号干扰。

Description

双屏蔽高速对接连接器 技术领域
本发明涉及一种连接器，特别是有关于一种双屏蔽高速对接连接器，能够降低相邻差分对信号端子之间的串扰。
背景技术
高速对接连接器(docking connector)用于网络和无线设备等市场领域，能够提供高速或更高速率的传输。作为信号互连与传输的中介，高速对接连接器的研制起着极为重要的地位。
在高速对接连接器中，差分信号以其良好的抗干扰性能得到了广泛应用。但在实际应用中，现有的高速对接连接器的结构无法消除相邻差分对信号端子之间的串扰噪声，这严重影响高速系统的信号完整性。
因此，申请人正在积极地研究一种能够有效降低相邻差分对之间串扰的高速对接连接器。
发明内容
本发明的主要目的在于提供一种双屏蔽高速对接连接器，能够有效降低相邻差分对信号端子之间的串扰，以及相邻框架组件之间的串扰。
本发明的其它目的和优点可以从本发明所揭露的技术特征中得到进一步的了解。
为达上述目的，本发明采用如下技术方案：一种双屏蔽高速对接连接器包括有一纵长形压铸金属外壳、一纵长形定位座、以及一排框架组件。该外壳具有一顶壁、一底壁、两侧壁、以及一由该顶壁、该底壁及该两侧壁围绕而成的空腔；该外壳还具有一排位于该外壳后方且垂直于该顶壁的平行的阶梯状竖直壁，以及若干个由这些竖直壁分隔开的并且与该空腔相连通的水平通道。该定位座具有一排平行的阶梯状直立壁、以及若干个由这些直立壁分隔开并穿过该定位座底部的竖直通道。该框架组件具有一绝缘体、两列由该绝缘体支撑并被布置成差分对的信号端子、一安装于该绝缘体一侧的第一屏蔽件、以及一安装于该绝缘体另一侧并能够与该第一屏蔽件相连接的第二屏蔽件。每一信号端子均具有一暴露在该绝缘体前端的导电接触部、以及一伸出该绝缘体底边的导电尾部；其中该导电接触部穿过相对应的水平通道而进入该外壳的空腔内，而该导电尾部则穿过相对应的竖直通道而伸出该定位座 的底面。
在其中一实施例中，该绝缘体具有至少一贯穿该绝缘体左右两侧并位于相邻两差分对信号端子之间的固定槽。
在其中一实施例中，该第一屏蔽件具有一贴靠于该绝缘体的一侧的第一竖直主体部、以及至少一能够伸入该绝缘体的固定槽中的固定臂；该第二屏蔽件具有一贴靠于该绝缘体的另一侧的第二竖直主体部、至少一形成于该第二竖直主体部上的弹性面板、以及至少一形成于该弹性面板上并能够对准该固定槽的锁孔；其中该第一屏蔽件的固定臂的前端插入该第二屏蔽件的锁孔内，使得该第一屏蔽件与该第二屏蔽件固定在一起并一同固定于该绝缘体上。
在其中一实施例中，该绝缘体是由两个半部结合而成，其中一半部支撑一列信号端子，另一半部支撑另一列信号端子，这两个半部相结合使得这两列信号端子构成多个差分对信号端子；所述固定槽贯穿这两个半部，而且在每一半部的每两相邻信号端子之间均具有至少一个固定槽。
在其中一实施例中，该第一屏蔽件的固定臂朝向该绝缘体垂直折弯而成，并在该固定臂的前端形成有至少一齿状插片；以及该第二屏蔽件的弹性面板朝向该绝缘体的方向凸出。
在其中一实施例中，该绝缘体的两侧各设置有至少一散热槽道；该第一屏蔽件还具有至少一形成于该第一竖直主体部上的第一开孔；以及该第二屏蔽件还具有至少一形成于该第二竖直主体部上的第二开孔；其中该第一开孔与该第二开孔均对应于该绝缘体的散热槽道。
在其中一实施例中，该第一屏蔽件还具有至少一朝远离该绝缘体的方向折弯的第一折片，以与相邻框架组件的第二屏蔽件接触；以及该第二屏蔽件还具有至少一朝远离该绝缘体的方向折弯的第二折片，以与另一相邻框架组件的第一屏蔽件接触。
在其中一实施例中，该双屏蔽高速对接连接器还包括有一排山字型接地片；而在该定位座的底面上对应于每一直立壁的底部位置均形成有一横向接地槽；每个接地片均安装于相对应的横向接地槽内。
在其中一实施例中，每一接地片均呈山字型；该接地片具有一横梁、三个凸设于该横梁上的U型固定部、以及三个形成于这些U型固定部上的接地尾部。
在其中一实施例中，每一U型固定部均具有一基部以及两个对称布置于 该基部两侧并垂直于该基部的臂部。
在其中一实施例中，该双屏蔽高速对接连接器还包括有一长条状固定器，该固定器具有相互垂直的水平固定片及竖直固定片，该水平固定片固定至该外壳的顶壁上，而该竖直固定片则固定至该定位座的后表面上。
相较于现有技术，本发明双屏蔽高速对接连接器通过在每个框架组件上设置两个连接在一起的屏蔽件，不但可以降低相邻差分对信号端子之间的串扰，还可以有效降低相邻框架组件之间的信号干扰。此外，通过设置接地片，能够进一步降低串扰。
附图说明
图1为本发明双屏蔽高速对接连接器的立体结构示意图。
图2为图1所示本发明双屏蔽高速对接连接器的分解结构示意图。
图3为本发明双屏蔽高速对接连接器沿另一方向的分解结构示意图。
图4为本发明双屏蔽高速对接连接器的外壳的立体结构示意图。
图5为本发明外壳沿另一方向的结构示意图。
图6为沿图5所示A-A线的外壳剖面结构示意图。
图7为本发明双屏蔽高速对接连接器的定位座的立体结构示意图。
图8为沿图7所示B-B线的定位座剖面结构示意图。
图9为本发明定位座的底面部分结构放大示意图。
图10为图2所示的其中一框架组件的结构示意图，该框架组件具有多个被布置成差分对的信号端子。
图11为图10所示框架组件的分解结构示意图，其中将两个屏蔽件从该框架组件的两侧拆分开。
图12为将图11所示框架组件进一步分解后的结构示意图。
图13为本发明框架组件沿另一方向的结构示意图。
图14为图13所示框架组件的分解结构示意图，主要表现出将两个屏蔽件从该框架组件的两侧拆分开。
图15为本发明两屏蔽件之间的结构组配关系。
图16为本发明接地片的立体结构示意图。
图17为本发明双屏蔽高速对接连接器的底部结构示意图，其中主要显示了该底部的局部结构。
图18为一高速插头连接器的结构示意图，可以与本发明双屏蔽高速对接 连接器对接。
图19为图18所示高速插头连接器的其中一框架组件的结构示意图。
图20为图1所示高速对接连接器与图18所示高速插头连接器的对接示意图。
上述附图中的附图标记说明如下：
高速对接连接器  1           外壳           10
顶壁           11           底壁           12
侧壁           13           空腔           14
竖直壁         15           水平通道       16
定位座         20           直立壁         21
竖直通道       22           横向接地槽     23
框架组件       30           绝缘体         31
固定槽         310          散热槽道       311
信号端子       32、32’、32a、32b、32c
导电接触部     320          导电尾部       321
第一屏蔽件     33           第一竖直主体部 330
固定臂         331          齿状插片       332
第一开孔       333          第一折片       334
第二屏蔽件     34           第二竖直主体部 340
弹性面板       341          锁孔           342
第二开孔       343          第二折片       344
半部           35、36       接地片         40
横梁           41           U型固定部      42
基部           420          臂部           422
接地尾部       43           固定器         50
水平固定片     51           竖直固定片     52
高速插头连接器 9           插头框架组件    90
屏蔽件         91、92。
具体实施方式
以下实施例的说明是参考附加的图式，用以例示本发明可用以实施的特定实施例。本发明所提到的方向用语，例如「上」、「下」、「前」、「后」、「左」、 「右」、「顶」、「底」等，仅是参考附加图式的方向。因此，使用的方向用语是用以说明及理解本发明，而非用以限制本发明。
请参照图1、图2、图3所示，本发明双屏蔽高速对接连接器1在此被称为高速插座连接器，其能够平行安装于电路板(未图示)上。该高速对接连接器1包括有一纵长形外壳10、一纵长形定位座20、以及一排框架组件30。
如图2所示，该外壳10具有一较长的顶壁11、一较短的底壁12、两侧壁13、以及一由该顶壁11、该底壁12及该两侧壁13围绕而成的空腔14。在本实施例中，该外壳是一压铸金属外壳，能够提供电磁屏蔽的作用。
如图3、图4、图5、图6所示，该外壳10还具有一排平行的阶梯状竖直壁15，以及若干个由这些竖直壁15分隔开的并且与该空腔14相连通的水平通道16。这些竖直壁15位于该外壳10后方且垂直于该顶壁11。
如图2、图7、图8所示，该定位座20呈纵长形，其具有一排平行的阶梯状直立壁21、以及若干个由这些直立壁21分隔开并穿过该定位座20底部的竖直通道22(标号见图8)。在本实施例中，在每两直立壁21之间均形成有三个竖直通道22。
如图9所示，在该定位座20的底面上对应于每一直立壁21的底部位置均形成有一横向接地槽23。
如图10、图11、图13、图14所示，该框架组件30具有一绝缘体31、两列由该绝缘体31支撑并被布置成差分对的信号端子32、一安装于该绝缘体31一侧的第一屏蔽件33、以及一安装于该绝缘体31另一侧并能够与该第一屏蔽件33相连接的第二屏蔽件34。需说明的是，此处“相连接”是指该第一屏蔽件33与该第二屏蔽件34形成了一接地连接，而实现“相连接”的方式包括但不限于因二者接触形成的连接，以及因二者固定在一起形成的连接。后面会对其中一种连接方式(如固定连接)进行详细介绍。
如图11所示，该绝缘体31具有至少一贯穿该绝缘体31左右两侧的固定槽310。该固定槽310位于两个相邻的差分对信号端子32之间。此外，在该绝缘体31的两侧都设置有至少一散热槽道311。
在本实施例中，如图12所示，该绝缘体31是由两个半部35、36结合而成，其中一半部35支撑一列信号端子32，另一半部36支撑另一列信号端子32’，这两个半部35、36相结合使得这两列信号端子32、32’构成多个差分对信号端子32a、32b、32c。该固定槽310贯穿这两个半部35、36。
现以其中一半部35为例详细介绍该绝缘体31的结构。如图12所示，该半部35具有多个固定槽310，而且在该半部35的每两相邻信号端子32之间均具有至少一个固定槽310。这些固定槽310的形状并不相同，例如一上方固定槽310呈L型，而一下方固定槽310呈一字型。当这两个半部35、36结合为一绝缘体31时，这两半部35、36的相对应的固定槽310能够相互连通。
如图11、图12所示，每一信号端子32均具有一暴露在该绝缘体31前端的导电接触部320、以及一伸出该绝缘体31底边的导电尾部321。在本实施例中，该框架组件30具有六个信号端子32，被布置成三个差分对信号端子32a、32b、32c。
如图11、图14所示，该第一屏蔽件33具有一第一竖直主体部330、以及至少一垂直于该第一竖直主体部330的固定臂331。其中该第一竖直主体部330能够贴靠于该绝缘体31的一侧面，该固定臂331则伸入该绝缘体31的固定槽310中，以准备与该第二屏蔽件34配合。在该固定臂331是朝向该绝缘体31垂直折弯而成，并在其前端形成有至少一齿状插片332。在本实施例中，该第一屏蔽件33具有三个垂直于该第一竖直主体部330的固定臂331，并且在一部分固定臂331前端形成有两个齿状插片332。当然，在其它实施例中，所述固定臂331与所述齿状插片332的数量可以根据结构需要而改变。
如图11、图14所示，该第二屏蔽件34具有一第二竖直主体部340、至少一形成于该第二竖直主体部340上的弹性面板341、以及至少一形成于该弹性面板341上的锁孔342。其中该第二竖直主体部340能够贴靠于该绝缘体31的另一侧面，该锁孔342对准相对应的固定槽310，以准备接受该第一屏蔽件33的固定臂331的前端插入该锁孔342内。具体地讲，请同时参照图11与图15所示，该第一屏蔽件33的齿状插片332能够插入该第二屏蔽件34的锁孔342内，从而将该第一屏蔽件33与该第二屏蔽件34连接在一起，使得该第一屏蔽件33与该第二屏蔽件34形成一个整体，同时使得二者均牢固地固定于该绝缘体31上。此外，该弹性面板341朝向该绝缘体31的方向凸出，以保证该齿状插片332与该锁孔342在锁扣之后不会松脱。在本实施例中，该第二屏蔽件34具有多个弹性面板341以及多个锁孔342。可见，所述锁孔342数量可以根据实际结构而定。
再详细地讲，该第一屏蔽件33安装于其中一半部35的一侧面上，并且其第一主体部330远离另一半部36。该第二屏蔽件34安装于另一半部36的一侧面上，并且其第二主体部340远离所述的其中一半部35。
此外，如图11所示，该第一屏蔽件33还具有至少一形成于该第一竖直主体部330上的第一开孔333，而该第二屏蔽件34还具有至少一形成于该第二竖直主体部340上的第二开孔343，该第一开孔333与该第二开孔343对应于该绝缘体31的散热槽道311，能够使得该散热槽道311保持通畅。
如图11所示，该第一屏蔽件33还具有至少一朝远离该绝缘体31的方向折弯的第一折片334，能够与相邻框架组件(未标示)的第二屏蔽件接触，从而形成一完整的屏蔽体。同样地，如图14所示，该第二屏蔽件34也具有至少一朝远离该绝缘体31的方向折弯的第二折片344，能够与另一相邻框架组件的第一屏蔽件接触，从而构成一完整的屏蔽结构。
当然，在该第一屏蔽件33或/和该第二屏蔽件34上还可以设置一些与该绝缘体31相配合的结构，以增强这两个屏蔽件33、34与该绝缘体31的结合力。
在组装时，如图11所示，该第一屏蔽件33安装于该绝缘体31一侧，每一固定臂331均伸入该绝缘体31的相应的固定槽310中，能够隔离位于该固定槽310两侧的相邻两差分对信号端子32，从而降低相邻两差分对信号端子32之间的串扰；该第二屏蔽件34安装于该绝缘体31的另一侧，并且该第一屏蔽件33的齿状插片332能够插入该第二屏蔽件34的锁孔342内，从而将该第一屏蔽件33与该第二屏蔽件34固定于该绝缘体31上。
在组装时，请同时参照图2、图3、图10所示，每一框架组件30的导电接触部320均自该外壳10的后方穿过相对应的水平通道16而进入该外壳10的空腔14内(如图1所示)，以准备与一高速插头连接器相对接。该框架组件30的导电尾部321均自该定位座20的上方穿过相对应的竖直通道22，并伸出该定位座20的底面，如图17所示。此时，该定位座20的这些阶梯状直立壁21与该外壳10的呈阶梯状排列的竖直壁15相配合，将这些框架组件30包围起来，从而形成一个整体。
如图2和图3所示，该双屏蔽高速对接连接器1还包括有一排山字型接地片40。
如图16所示，每一接地片40均呈山字型。该接地片40具有一横梁41、三个凸设于该横梁41上的U型固定部42、以及至少一个凸设于其中一固定部上的接地尾部43。在本实施例中，该横梁41呈竖直板状结构，每一U型固定部42均具有一基部420以及两个对称布置于该基部420两侧并垂直于该基部420的臂部422。在本实施例中，该接地尾部43呈针眼状，其自该基部420的下边 缘向下延伸。在其中一实施例中，该接地片40具有三个接地尾部43，分别形成于这三个U型固定部42上。
在组装时，请同时参照图9和图17所示，每个接地片40均安装于该定位座20底面的相对应的横向接地槽23内，且每个U型固定部42均对准位于该横向接地槽23内的差分对信号端子32。这三个接地尾部43伸出该定位座20的底面。
此外，如图2、图3所示，本发明双屏蔽高速对接连接器1还包括有一长条状固定器50。该固定器50具有相互垂直的水平固定片51及竖直固定片52，该水平固定片51固定至该外壳的顶壁11上，而该竖直固定片52则固定至该定位座20的后表面上。
请参照图18所示，本发明还提供了另一种双屏蔽高速对接连接器，在此被称为高速插头连接器9。如图19所示，在该高速插头连接器9的插头框架组件90上设置两个屏蔽件91、92，从而能够有效降低相邻差分对信号端子之间的串扰。
如图20所示，该高速插头连接器9能够与上述高速插座连接器(双屏蔽高速对接连接器1)相对接。
综上所述，本发明双屏蔽高速对接连接器1通过在每个框架组件30上设置连接或固定在一起的双屏蔽结构，例如第一屏蔽件33与第二屏蔽件34，不但可以降低相邻差分对信号端子32之间的串扰，还可以有效降低相邻框架组件30之间的信号干扰。此外，通过设置接地片40，能够进一步降低串扰。

Claims (10)

  1. 一种双屏蔽高速对接连接器，其特征在于：包括有一纵长形压铸金属外壳、一纵长形定位座、以及一排框架组件；
    该外壳具有一顶壁、一底壁、两侧壁、以及一由该顶壁、该底壁及该两侧壁围绕而成的空腔；该外壳还具有一排位于该外壳后方且垂直于该顶壁的平行的阶梯状竖直壁，以及若干个由这些竖直壁分隔开的并且与该空腔相连通的水平通道；
    该定位座具有一排平行的阶梯状直立壁、以及若干个由这些直立壁分隔开并穿过该定位座底部的竖直通道；
    该框架组件具有一绝缘体、两列由该绝缘体支撑并被布置成差分对的信号端子、一安装于该绝缘体一侧的第一屏蔽件、以及一安装于该绝缘体另一侧并能够与该第一屏蔽件相连接的第二屏蔽件；
    其中每一信号端子均具有一暴露在该绝缘体前端的导电接触部、以及一伸出该绝缘体底边的导电尾部；其中该导电接触部穿过相对应的水平通道而进入该外壳的空腔内，而该导电尾部则穿过相对应的竖直通道而伸出该定位座的底面。
  2. 如权利要求1所述的双屏蔽高速对接连接器，其特征在于：该绝缘体具有至少一贯穿该绝缘体左右两侧并位于相邻两差分对信号端子之间的固定槽；
    该第一屏蔽件具有一贴靠于该绝缘体的一侧的第一竖直主体部、以及至少一能够伸入该绝缘体的固定槽中的固定臂；以及
    该第二屏蔽件具有一贴靠于该绝缘体的另一侧的第二竖直主体部、至少一形成于该第二竖直主体部上的弹性面板、以及至少一形成于该弹性面板上并能够对准该固定槽的锁孔；其中该第一屏蔽件的固定臂的前端插入该第二屏蔽件的锁孔内，使得该第一屏蔽件与该第二屏蔽件相连接并一同固定于该绝缘体上。
  3. 如权利要求2所述的双屏蔽高速对接连接器，其特征在于：该绝缘体是由两个半部结合而成，其中一半部支撑一列信号端子，另一半部支撑另一列信号端子，这两个半部相结合使得这两列信号端子构成多个差分对信号端子；所述固定槽贯穿这两个半部，而且在每一半部的每两相邻信号端子之间 均具有至少一个固定槽。
  4. 如权利要求2所述的双屏蔽高速对接连接器，其特征在于：该第一屏蔽件的固定臂朝向该绝缘体垂直折弯而成，并在该固定臂的前端形成有至少一齿状插片；以及
    该第二屏蔽件的弹性面板朝向该绝缘体的方向凸出。
  5. 如权利要求2所述的双屏蔽高速对接连接器，其特征在于：该绝缘体的两侧各设置有至少一散热槽道；
    该第一屏蔽件还具有至少一形成于该第一竖直主体部上的第一开孔；以及
    该第二屏蔽件还具有至少一形成于该第二竖直主体部上的第二开孔；
    其中该第一开孔与该第二开孔均对应于该绝缘体的散热槽道。
  6. 如权利要求1所述的双屏蔽高速对接连接器，其特征在于：该第一屏蔽件还具有至少一朝远离该绝缘体的方向折弯的第一折片，以与相邻框架组件的第二屏蔽件接触；以及
    该第二屏蔽件还具有至少一朝远离该绝缘体的方向折弯的第二折片，以与另一相邻框架组件的第一屏蔽件接触。
  7. 如权利要求1所述的双屏蔽高速对接连接器，其特征在于：该双屏蔽高速对接连接器还包括有一排山字型接地片；而在该定位座的底面上对应于每一直立壁的底部位置均形成有一横向接地槽；每个接地片均安装于相对应的横向接地槽内。
  8. 如权利要求7所述的双屏蔽高速对接连接器，其特征在于：每一接地片均呈山字型；该接地片具有一横梁、三个凸设于该横梁上的U型固定部、以及三个形成于这些U型固定部上的接地尾部。
  9. 如权利要求8所述的双屏蔽高速对接连接器，其特征在于：每一U型固定部均具有一基部以及两个对称布置于该基部两侧并垂直于该基部的臂部。
  10. 如权利要求1所述的双屏蔽高速对接连接器，其特征在于：该双屏蔽高速对接连接器还包括有一长条状固定器，该固定器具有相互垂直的水平固定片及竖直固定片，该水平固定片固定至该外壳的顶壁上，而该竖直固定片则固定至该定位座的后表面上。
PCT/CN2018/075553 2018-01-29 2018-02-07 双屏蔽高速对接连接器 WO2019144440A1 (zh)

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