CN102356520B - 具有带肋的接地板的电连接器 - Google Patents

具有带肋的接地板的电连接器 Download PDF

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CN102356520B
CN102356520B CN201080012797.7A CN201080012797A CN102356520B CN 102356520 B CN102356520 B CN 102356520B CN 201080012797 A CN201080012797 A CN 201080012797A CN 102356520 B CN102356520 B CN 102356520B
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D·M·约内斯库
J·E·巴克
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    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00Structural 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
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    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/735Printed circuits including an angle between each other
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    • HELECTRICITY
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    • H01R12/00Structural 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
    • H01R12/70Coupling devices
    • H01R12/71Coupling devices for rigid printing circuits or like structures
    • H01R12/72Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/722Coupling 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
    • H01R12/724Coupling 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
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    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6461Means for preventing cross-talk
    • H01R13/6471Means for preventing cross-talk by special arrangement of ground and signal conductors, e.g. GSGS [Ground-Signal-Ground-Signal]
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    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/646Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H01R13/6473Impedance matching
    • H01R13/6474Impedance matching by variation of conductive properties, e.g. by dimension variations
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    • 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  
    • HELECTRICITY
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    • 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  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6585Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
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    • 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  
    • H01R13/658High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581Shield structure
    • H01R13/6585Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6586Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules
    • H01R13/6587Shielding material individually surrounding or interposed between mutually spaced contacts for separating multiple connector modules for mounting on PCBs
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    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/18Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49002Electrical device making
    • Y10T29/49117Conductor or circuit manufacturing
    • Y10T29/49204Contact or terminal manufacturing
    • Y10T29/49208Contact or terminal manufacturing by assembling plural parts

Abstract

本发明提供了一种电连接器,包括绝缘外壳、由绝缘外壳承载的多个电信号触头、和由绝缘外壳承载的接地板。所述电信号触头沿第一平面布置,其中所述信号触头限定信号对,以使得在相邻的信号对之间设置相应的间隙。所述信号触头进一步限定相应的配对端部和安装端部。所述接地板包括接地主体,所述接地主体定向在大体上平行于第一平面并从第一平面偏移的第二平面中。所述接地板包括至少一个肋,所述肋限定相反的第一表面和第二表面,其中肋的第一表面在朝着所述间隙的方向上从接地板主体的第一表面凸出,并且肋的第二表面凹进在接地板主体的第二表面中。

Description

具有带肋的接地板的电连接器
背景技术
电连接器使用导电触头来提供电子设备之间的信号连接。有时需要不改变连接器的物理尺寸(高度、宽度、深度、匹配接口、以及安装接口)而增大经由现存连接器的数据传送。然而,改变电连接器的一个方面而不无意地改变另一个方面是困难的。例如,能够向电连接器加入金属串扰屏蔽以减小串扰,但是屏蔽的增加一般会降低阻抗。在较低的数据传输速度,如1至1.25吉比特/秒时,阻抗匹配并不实质上影响性能。然而,随着数据传输速度增大至10吉比特/秒到40吉比特/秒以及其间的任何离散的点,偏斜和阻抗不匹配就成问题了。因此,虽然通过向现存电连接器加入金属串扰屏蔽能够降低串扰,但是会产生其他信号完整性的问题。
因此需要一种电连接器,其具有能避免传统屏蔽的缺点的屏蔽。
发明内容
根据一个方面,本发明公开了一种电连接器,包括绝缘外壳、由所述绝缘外壳承载的多个电信号触头、以及由所述绝缘外壳承载的接地板。所述电信号触头沿第一平面布置,在第一平面内所述信号触头限定信号对,以使得在相邻的信号对之间设有相应的间隙。所述接地板包括接地板主体,所述接地板主体定向在大体上平行于第一平面并从第一平面偏移的第二平面中。所述接地板主体限定相反的第一表面和第二表面。所述接地板包括至少一个冲压或压印的肋,所述肋限定相反的第一表面和第二表面,其中肋的第一表面在朝向所述间隙的方向上从接地板主体的第一表面凸出,并且肋的第二表面凹进到接地板主体的第二表面中。至少一个冲压或压印的肋取代两个差动信号对之间的接地触头或具有两个差动信号对之间的接地触头的电功能,所述两个差动信号对相互边对边地定位,或相互宽边对宽边地定位。
附图说明
当结合附图阅读时,能更好地理解前述的发明内容以及随后的具体实施方式的详细说明。为例示本发明的灵活架构和相关手段,附图中示出了优选的实施例。然而,应当理解,本申请并不限制于所示出的精确布置和手段。在附图中:
图1是电连接器组件的立体图,所述电连接器组件包括安装在相应的基板上并配置为相互配对的竖直插头连接器和直角插座连接器;
图2A是与图1类似的电连接器组件的立体图,但没有基板;
图2B是图2A中所示的电连接器组件的另一立体图,但是以配对的配置示出了各电连接器;
图3A是图2A-B中所示的IMLA之一的立体图;
图3B是图3A中所示的IMLA的另一立体图,示出了接地板;
图3C是图3A中所示的IMLA的电信号触头的立体图,示出了布置为由引线框外壳支撑的各电信号触头;
图4A是图3B中所示的接地板的立体图;
图4B是图4A中所示的接地板的侧视图;
图5A是图3A中所示的IMLA的立体图,但移除了引线框外壳;
图5B是图3B中所示的IMLA的立体图,但移除了引线框外壳;
图6A是图3B中所示的IMLA的侧视图;
图6B是图6A中所示的IMLA的沿剖切线6B-6B的剖视图;
图6C是图6A中所示的IMLA的沿剖切线6C-6C的剖视图;
图7A是图2B中所示的电连接器组件的侧视图;
图7B是图7A中所示的电连接器组件的沿剖切线7B-7B的剖视图;以及
图8是与图4B中所示的接地板类似,但根据替代实施例构成的接地板的侧视图。
具体功率实施方式
初步参考图1-2B,电连接器组件20包括第一电连接器22和第二电连接器24,所述第一电连接器22和第二电连接器24配置为相互配对以在互补的基板38和42之间建立电连接。如图所示,第一电连接器22能够为限定配对接口26和安装接口28的竖直连接器,所述安装接口28大体上平行于配对接口26延伸。第二电连接器24能够为限定配对接口30和安装接口32的直角连接器,所述安装接口32大体上垂直于配对接口30延伸。
第一电连接器22包括外壳31,所述外壳31承载多个电触头33。所述电触头33可以在接合至外壳31或连缀至外壳31中之前被嵌模。所述电触头33限定相应的配对端部34和安装端部36,所述配对端部34沿配对接口26延伸,所述安装端部36沿安装接口28延伸。每个配对端部34能够限定相应的第一宽边和相应的与第一宽边相反的第二宽边,以限定各插头配对端部。由此,如所例示,所述第一电连接器22能够被称为插头连接器。所述安装端部36可以为配置成电连接至互补电部件(如例示为印刷电路板的基板38)的压配尾部、表面安装尾部、或易熔元件如焊锡球。可以将基板38设置为背板、中间板、子卡等。
因为配对接口26大体上平行于安装接口28,所以能够将第一电连接器22设置为竖直连接器,但是应当理解,第一电连接器22也能够被设置为任何所需要的配置,以将基板38电连接至第二电连接器24。例如,第一电连接器22能够被设置为插头连接器或插座连接器,并且能够随需要将其布置为竖直连接器或夹层连接器或直角连接器。
继续参考图1-2B,第二电连接器24包括由电连接器外壳43承载的多个嵌模的引线框组件(IMLA)40。每个IMLA40承载多个电触头,如直角电触头44。可以使用任何适合的绝缘材料,如空气或塑料来将各直角电触头44相互绝缘。所述各直角电触头44限定各自的插座配对端部46和安装端部48,所述插座配对端部46沿配对接口30延伸,所述安装端部48沿安装接口32延伸。每个配对端部46沿纵向或第一方向L水平向前延伸,并且各IMLA40沿与纵向L大体上垂直的侧向或第二方向A彼此相邻地布置。
每个安装端部48沿与侧向A和纵向L均垂直的横向或第三方向T竖直向下延伸。由此,如所例示,所述纵向L和所述侧向A如所例示地水平地延伸,而横向T竖直地延伸,但是应当理解,这些方向可以取决于例如电连接器24在使用中的定向而变化。本文中除非另外规定,术语“侧向”、“纵向”、和“横向”用于说明各个部件的正交方向分量,并且并不限制于特定的差动信号对配置。关于特定的方向分量的术语“内侧”和“内部”、以及“外侧”和“外部”在本文中就给定装置而使用以意指沿所述方向分量分别朝向和远离所述中心装置的方向。
插座安装端部48可以构造为与插头安装端部36类似,并且由此可以包括配置为电连接至互补电部件(如例示为印刷电路板的基板42)的压配尾部、表面安装尾部、或易熔元件如焊锡球。能够将所述基板42设置为背板、中间板、子卡等。插座配对端部46配置为当将相应的配对接口26和30配合时电连接至第一电连接器22的相应的插头配对端部34。
直角电触头44可以具有大约0.1mm至0.5mm的材料厚度和大约0.1mm至0.9mm的接触高度。所述接触高度在直角电触头44的长度上可以变化。所述第二电连接器24还可以包括电绝缘的或导电的IMLA组织器50,保持IMLA40的导电IMLA组织器50可以借助于所述IMLA组织器50中限定的狭缝52或任何其他适合的连接部电连接至IMLA40的导电部分。
因为配对接口30大体上垂直于安装接口32,能够将所述第二电连接器24设置为直角连接器,但是应当理解,也能够将第一电连接器设置为任何所需要的配置,以将基板42电连接至第一电连接器22。例如,能够将第二电连接器24设置为插座连接器或插头连接器,并且能够随需要将其布置为竖直连接器或夹层连接器或直角连接器。当将连接器22和24安装在其对应的基板38和42上并且相互电连接时,各基板处于即电连通状态。
现在还参考图3A-C,每个IMLA40包括引线框外壳54,能够将所述引线框外壳54设置为限定出侧向相反的外表面71和73的绝缘外壳。所述引线框外壳能够由任何适合的绝缘材料,如塑料制成,并且承载多个形成直角触头的电信号触头56,所述直角触头可以由外壳54包覆模制,或者替代地能够连缀或者以其他方式接合在外壳54中。每个信号触头56包括配对端部58和安装端部60。各信号触头56的各配对端部58沿横向T对准,并且各信号触头56的各安装端部60沿纵向L对准。各信号触头56成对57地布置(还见图6B-C),所述对57能够为差动信号对。替代地,所述信号触头56能够设置为单个端部的信号触头。由间隙59将信号触头56的一个或更多直至所有相邻的对57分离。
每个IMLA40进一步包括由引线框外壳54承载的接地板62。所述接地板62能够由任何适合的导电材料,如金属形成,并且包括主体64、从主体64向前延伸的多个配对端部66、以及从主体向下延伸的多个安装端部68。所述配对端部66和安装端部68能够如上文关于电信号触头56的配对端部58和60所说明的那样构造。所述接地板62能够离散地接合至外壳54或由外壳54包覆模制。现在还参考图4A-B,接地板62的主体64限定内表面或第一表面72以及与所述内表面72侧向地相反的外表面或第二表面70。所述外表面70能够与引线框外壳54的相应外表面71齐平,能够突出超过引线框外壳54的相应外表面71,或能够相对于引线框外壳54的相应外表面71向内凹进。因此,电连接器24的尺寸能够相对于那些由IMLA承载离散的接地触头的电连接器保持不变,那些由IMLA承载离散的接地触头的电连接器如美国专利No.7,497,736所说明,本文在此通过引用方式并入其阐明的全部公开内容。所述内表面72朝向IMLA40的电信号触头56。接地板62能够进一步包括至少一个配置为接合至组织器的配合构件,如上钩或第一钩65以及后钩或第二钩67。
接地板62能够是导电的,并且由此配置为在使用中反射由信号触头56产生的电磁能,但是应当理解,所述接地板62可以替代地配置为吸收电磁能。例如所述接地板62能够由一个或更多ECCOSORB吸收体产品制成,所述ECCOSORB吸收体产品在位于Randolph,MA的Emerson & Cuming有售。所述接地板62能够替代地由一个或更多的SRC RPolyIron吸收体产品制成,所述SRC RPolyIron吸收体产品在位于Santa Rosa,Ca的SRCCables,Inc有售。此外,所述接地板62设置在相邻的IMLA的信号触头56之间,所述接地板62能够提供屏蔽以减小相邻的IMLA40的信号触头56的信号之间的串扰。
接地板62的配对端部66限定接地配对端部,同时接地板62的安装端部68限定接地安装端部。各配对端部66沿横向T对准,并且进一步沿横向T与配对端部58对准。各安装端部68沿纵向L对准,并且沿纵向L与安装端部60对准。所述配对端部66与配对端部58的对57相邻地定位和/或定位在配对端部58的对57之间,并且安装端部68与安装端部60的对相邻地定位和/或定位在安装端部60的对57之间。由此,电连接器24的配对端部46同时包括配对端部58和配对端部66,并且电连接器24的安装端部48同时包括安装端部60和安装端部68。
根据所例示的实施例,接地板62的配对端部66在配对端部58的相邻的对57之间延伸的间隙59中设置成使得包括配对端部58和66的各配对端部46沿电连接器24的配对接口30等距离地间隔开来。同样地,接地板62的安装端部68在安装端部60的相邻对之间延伸的间隙59中设置成使得包括安装端部60和68的各安装端部48沿电连接器24的安装接口32等距离地间隔开来。
电信号触头56的对57可以为差动信号对,或者信号触头56能够设置为单个端部的触头。各信号触头56沿公共的中心线CL边对边地定位。例示了六个差动信号对,然而连接器24能够包括任何数量的沿中心线CL延伸的差动信号对,如两对、三对、四对、五对、六对或更多对。
现在参考图4A-5B,接地板62包括至少一个肋74,如由板主体64支撑的多个肋74。根据所例示的实施例,每个肋74都冲压或压印入主体64中,并且由此与主体64为一体。由此,肋74能够进一步被称为压印部。如所例示,每个肋74限定第一表面75和相反的第二表面77,所述第一表面75限定从内表面72侧向地向内(例如,进入IMLA40中)延伸的凸出部76,所述第二表面77限定出延伸入接地板主体64的外表面70的对应的断片(divot)78或凹进表面。换句话说,主体64包括侧向地从内表面凸出的多个凸出部76,并且进一步包括凹进在外表面70中的,对应于多个凸出部76的多个断片78。肋74限定沿接地板主体64彼此隔开的各自的封闭的外周边80。由此,肋74完全地被包含在板主体64中。
肋74限定出邻近配对端部66设置的前部分或第一部分82,以及邻近安装端部68设置的后部分或第二部分84。所述前部分82和后部分84限定相应的前部终端端部或第一终端端部83,和后部终端端部或第二终端端部85。由此,肋74限定出在第一终端端部83和第二终端端部85之间延伸的长度。如所例示,各肋74能够沿接地板主体64具有不同的长度。例如,那些设置在接地板主体64的上端部或第一端部的肋74比设置在接地板主体64的下端部或第二端部的肋74长。根据所例示的实施例,每个肋74的长度沿从接地板主体64的上端部或第一端部至下端部或第二端部的方向减小。
肋74能够沿一个方向延伸,所述方向包括水平方向或侧向、竖直方向或横向、以及同时具有侧向分量和横向分量的成角度方向中的一个或更多个。例如,如所例示,一些肋74的前部分82沿侧向向后方向或沿从邻近配对端部66的位置到后部分84的方向延伸。所述后部分84沿第二方向延伸,所述第二方向从前部分82至邻近安装端部68的位置侧向地向后并横向地向下延伸。所述后部部分84以相对于前部分82成90°至180°之间的角度延伸。应当理解,一个或更多的肋74,例如图4B中示出的最底部的肋74仅纵向地延伸。应当进一步理解,一个或更多的肋74能够进一步沿第三横向,例如在邻近安装端部68的位置延伸。
现在参考图4A-6C,电信号触头56在第一横向-纵向平面T-L1中对准或布置,所述第一横向-纵向平面T-L1包括公共中心线CL,并且接地板主体64定向在第二横向-纵向接地平面T-L2中,所述第二横向-纵向接地平面T-L2大体上平行于第一平面T-L1延伸,并且从第一平面T-L1侧向地向外偏移或与第一平面T-L1间隔开来。每个肋74的凸出部76从接地板主体64的内表面72向第一平面T-L1侧向地向内延伸。所述凸出部76能够从内表面72侧向地延伸出的距离足以使得每个凸出部76的一部分延伸入第一平面T-L1中,并且由此与各信号触头56(或信号触头56的一部分)共平面,但是所述延伸出的距离比引线框外壳54的厚度小,以使得凸出部76相对于外表面73凹进(见图3B)。所述凸出部76与设置在信号触头56的相邻对57之间的间隙59对准,以使得每个凸出部76的延伸入第一平面T-L1中相邻的对57之间的部分被设置在对应的一个间隙59中。
接地板62包括第一颈61和第二颈63,所述第一颈61在接地板主体64和每个配对端部66之间延伸,所述第二颈63在接地板主体64和每个安装端部68之间延伸。特别地,每个第一颈61沿从接地板主体64纵向向前的方向从第二平面T-L2向第一平面T-L1侧向地向内延伸,以使得配对端部66位于第一平面T-L1中,并且由此与各信号触头56的配对端部58共平面。同样地,第二颈63沿从接地板主体64横向向下的方向从第二平面T-L2向第一平面T-L1侧向地向内延伸,以使得安装端部68位于第一平面T-L1中,并且由此与各信号触头56的安装端部60共平面。
每个肋74限定横截面距离D,所述横截面距离D在与外周边80正交的方向上沿第二平面T-L2延伸。所述距离D沿给定肋74的长度能够是一致的,所述给定肋例如为图4A中所示出的最下部的肋74。替代地,所述距离D能够相应地沿给定肋的长度在前部端部83和后部端部85之间发生变化。例如,所述距离D在后部部分84处能够比在前部部分82处小。换句话说,所述距离D能够沿着材74的长度从后部部分84至前部部分82增大。同样地,设置在各信号触头56的相邻对57之间的间隙59能够沿安装端部60向配对端部58的方向增大,以容纳肋74的逐渐增大的横截面距离D。
继续参考图4A-6C,特别地参考图6B-C,每个肋74能够包括至少一个壁88。所述壁88包括相反的外壁部分90,每个外壁部分90在外周边80处从内表面72侧向地延伸,并且能够沿其从内表面72延伸的方向朝向彼此会聚。当将接地板62安装在IMLA中时,外壁部分90延伸入各信号触头56的相邻对57之间的一个对应的间隙59。如所例示,外壁部分90能够为倾斜的或弯曲的。此外,每个肋74弯曲度能够沿其长度改变。外壁部分90从肋74的近端部92处限定,并且在中壁部分96处终止,所述中壁部分96连接在各外壁部分90之间。肋74的近端部92是肋74上的在邻近内表面72的位置从内表面72延伸的部分。
由此中壁部分96设置在相对于接地板主体64的内表面72侧向地偏移的位置处。根据所例示的实施例,所述中壁部分96限定出位于第一平面T-L1中的肋74的远端部98。所述中壁部分96能够包括沿与限定出对应的间隙59的信号触头56正交地延伸的方向的弯曲部分,或者能够替代地或附加地包括沿与限定间隙59的信号触头56正交地延伸的方向的平坦部分。在这点上,应当理解,所述中壁部分96能够替代地沿与限定对应的间隙59的信号触头56正交地延伸的方向是整体地弯曲的,或者沿与限定间隙59的信号触头56正交地延伸的方向是整体地平坦的。由此,所述肋74能够限定出彼此不同的弯曲度。由此应当理解,肋74能够为弯曲的或锥形的,并且由此避免了相对于差动信号触头56超出平面T-L1的锐利的边缘。此外,每个肋74能够沿其长度与其相邻的限定对应的间隙59的信号触头56以一致的距离间隔开来。而且,每个肋74与其相邻的信号触头56间隔开来的距离能够与一个或更多直至所有其他肋74与其相邻的信号触头间隔开来的距离大体上相等。
虽然如所例示,中壁部分96能够位于第一平面中,应当理解,所述肋74可以替代地在从第一平面T-L1向内、或越过第一平面T-L1定位的远端部98处终止。根据所例示的实施例,所述中壁部分96以距接地板62的内表面72大体上恒定的侧向距离LD延伸,所述侧向距离LD大体上与第二平面T-L2和第一平面T-L1之间的侧向距离相等。
应当理解,每个肋74的一部分可以关于一轴线与限定对应的间隙59的电信号触头56重叠,所述轴线在与第一平面T-L1和第二平面T-L2正交的方向上且在第一平面T-L1和第二平面T-L2之间穿过信号触头56延伸。替代地,肋74能够全部包括在与第一平面T-L1和第二平面T-L2正交的方向上且在第一平面T-L1和第二平面T-L2之间经由信号触头56延伸的各轴线之间。例如,根据所例示的实施例,每个肋74的近端部92相对于对应的限定间隙59的信号触头56向内定位。因此,穿过一个或更多肋74的近端部92延伸的侧向轴线L1也穿过对应的间隙59,而不是限定间隙59的一个信号触头56延伸。替代地,近端部92可以设置成相对于限定间隙59的相应信号触头56向外或相对于所述相应信号触头56成一条直线。因此,延伸穿过近端部92或肋74的其他位置的侧向轴线L1还能够延伸穿过限定所述相应间隙59的信号触头56中一个或两个。
继续参考图4A-6C,每个肋74能够限定第一宽度W1和第二宽度W2,所述第一宽度W1在近端部92处沿平行于接地板平面T-L2的方向延伸,所述第二宽度W2在远端部98处沿平行于接地板平面T-L2的方向延伸,根据所例示的实施例,所述第二宽度W2小于第一宽度W1。至少一个肋74的宽度W1和W2能够小于、大于或大体上等于一个或多个其他肋74的对应宽度W1和W2之一或二者。
虽然例示出肋74从其相应的前端部83至其后端部85连续地延伸,应当理解,一个或更多直至所有肋74也能够在前端部83和后端部85之间是非连续或分段的。例如,如图8中所例示,能够将一个或更多的肋74设置为分离的肋段74a和74b,每个肋段74a和74b限定相应的封闭的周边80a和80b,所述封闭的周边80a和80b在对应的配对端部66和安装端部68之间相互间隔开来。替代地或附加地,给定肋74的中壁部分96能够从内表面72凸出的距离沿肋74在前端部83和后端部85之间的长度而变化。
虽然图6B-C示出了引线框外壳54包覆模制在信号触头56和接地板62之上,应当理解,能将信号触头56、接地板62、或信号触头56和接地板62二者谨慎地接合至引线框外壳54。此外,虽然示出了接地板62沿其长度抵靠引线框外壳54,但是能够替代地由引线框外壳54在接地板62的离散位置支撑接地板62,以使得在外壳54和接地板62之间和所需要的位置设置一个或更多空气间隙。例如,引线框外壳54和肋74之间的空气间隙会允许当接地板62接合至引线框外壳54时存在用于肋74的余隙。应当进一步理解,当引线框外壳54被包覆模制在接地板62上时,可以进一步设置此空气间隙。同样地,虽然示出了信号触头56沿其长度抵靠引线框外壳54,能够替代地由引线框外壳54在信号触头56的离散位置支撑信号触头56,以使得在外壳54和信号触头之间和所需要的位置设置空气间隙。应当进一步理解,当引线框外壳54包覆模制在信号触头56上时,可以进一步设置此空气间隙。
现在参考图7A-B,例示出电连接器24包括多个上文所说明的类型的IMLA40。例示出了四个IMLA40,所述IMLA40具有沿相应的公共中心线CL延伸的电触头44,但是应当理解,连接器24能够包括所需要任何数量的IMLA40。每个IMLA能够包括所需要数量的电信号触头对57和交错的肋74。由此,一个或更多直至所有的ILMA40能够包括上文所说明的类型的接地板62。IMLA40包括大体上同样构造的第一类型的IMLA40A和大体上同样构造的第二类型的IMLA40B。所述IMLA40A和40B沿侧向A交替地布置。根据所例示的实施例,第一IMLA40A的信号触头56相对于所述第二IMLA40B的信号触头56错开。因此,第一IMLA40A的相邻信号对57之间的间隙59相对于第二IMLA40B的间隙59错开。应当理解,配对端部66和安装端部68能够随需要从沿接地板主体64的任何位置延伸,以使得配对端部66以上文所说明的方式设置在信号触头56的配对端部58之间并与信号触头56的配对端部58对准,并且安装端部68以上文所说明的方式设置在信号触头56的安装端部60之间并与信号触头56的安装端部60对准。
例如,根据一个实施例,第一IMLA40A的配对端部46布置为在沿着从配对接口30的顶部向配对接口30的底部的公共中心线CL的方向上以重复的G-S-S-G-S-S图案布置,其中“G”表示电接地触头配对端部66,而“S”表示电信号触头配对端部58。此外,根据一个实施例,第二IMLA40B的配对端部46布置为在沿从配对接口30的顶部向配对接口30的底部的公共中心线CL的方向上以重复的S-S-G-S-S-G图案布置,其中“G”表示电接地触头配对端部66,而“S”表示电信号触头配对端部58。
由此应当理解,生产电连接器的方法包括以下步骤:1)提供多个电信号触头56,2)将所述电信号触头56沿第一平面T-L1保持在引线框外壳54中,以限定出设置在相邻的电信号触头56的对之间的间隙59,3)提供具有接地板主体64的接地板62,所述接地板主体64相应地限定出相反的第一表面72和第二表面70,4)将多个肋74冲压在接地板主体64的第二表面70中,以使得肋74相应地限定出相反的第一表面75和第二表面77,其中每个肋74的第一表面75从接地板主体64的第一表面72向外凸出,并且每个肋的第二表面77凹进到接地板主体64的第二表面70中,以及5)将接地板62接合至引线框外壳54,以使得接地板主体64定向在第二平面T-L2中,所述第二平面T-L2相对于第一平面T-L1偏移,并且每个肋74的第一表面75朝着相应的一个间隙59凸出,所述间隙59是由电信号触头56的相邻的对57限定的。
接地板62是宽的连续导体,并且比如美国专利No.7,497,736中所说明电连接器的接地触头宽,该美国专利中的电连接器与电连接器24大体上相同,只是所述大体上相同的电连接器不包括接地板62,而是包括在间隙59中延伸的离散接地触头,所述间隙59限定相对的接地配对端部和接地安装端部。因此,应当理解,所述电连接器24是基于该大体上相同的电连接器进行的改进,只是所述电连接器24没有离散的接地触头,而是有利地具有在信号触头56的相邻的对57之间延伸的肋74的接地板62。由此,电连接器是相对于具有离散接地触头的无屏蔽的、高密度的、直角电连接器进行的改进,而没有显著降低匹配阻抗并没有显著增大电感。根据本发明的实施例,电连接器24的阻抗并未相对于修改前的连接器有显著改变,电连接器24的电感比同样的修改前的连接器的接地触头低,所述电连接器24的串扰与同样的修改前的连接器相比较低,并且所述电连接器24的总体尺寸与那些的修改前的连接器相同。
例如,可以相信接地板62提供低阻抗的公共路径,所述公共路径拦截并耗散信号触头56之间的杂散电磁能量,否则所述杂散电磁能量会是串扰的来源。还相信如上文所说明的并入了IMLA40的连接器能够在13GHz运行而在受影响的对上具有可接受的最坏情况的多重有源串扰为不大于百分之六,例如小于百分之一,如百分之0.4。所述最坏情况的多重有源串扰可以由美国专利No.7,497,736中所说明的方式确定。
提供前面的说明仅用于解释的目的而不应理解为限制本发明。虽然结合优选的实施例或优选的方法说明了多种实施例,应当理解,本文所使用的词语是说明和例示的词语,而非限制的词语。此外,尽管本文结合特定的结构、方法、以及实施例说明了实施例,本发明并不旨在限制在本文所公开的细节中。得益于此说明书的教导的本领域的技术人员可以对本文所说明的发明进行多种修改,并且可以在不脱离由所附的权利要求限定的本发明的精神和范围的情况下做出变化。

Claims (15)

1.一种电连接器,包括:
绝缘外壳;
多个电信号触头,由绝缘外壳承载,并沿第一平面布置,其中所述电信号触头限定出电信号对,以使得在相邻的电信号对之间设置相应的间隙;
接地板,由绝缘外壳承载,所述接地板包括接地板主体,所述接地板主体定向在大体上平行于第一平面并从第一平面偏移的第二平面中,所述接地板主体限定出多个配对端部、多个安装端部、以及相反的第一表面和第二表面,所述接地板包括完全地被包含在所述接地板主体中的多个肋,所述肋限定出相反的第一表面和第二表面,其中所述多个肋的第一表面在朝着所述间隙的方向上从接地板主体的第一表面凸出,并且所述多个肋的第二表面凹进在接地板主体的第二表面中,所述多个肋限定出第一部分和第二部分,所述第二部分邻近所述接地板的所述多个安装端部,所述电信号触头限定出对应的配对端部和安装端部,并且所述接地板的相应的配对端部和安装端部从所述接地板主体延伸并设置在所述第一平面中。
2.根据权利要求1所述的电连接器,其特征在于,所述绝缘外壳为包覆模制在电信号触头上的引线框外壳。
3.根据权利要求2所述的电连接器,其特征在于,所述接地板离散地结合至引线框外壳。
4.根据权利要求1所述的电连接器,其特征在于,所述多个肋中的至少一个肋压印入接地板中并且所述多个肋中的所述至少一个肋限定出弯曲的外壁部分。
5.根据权利要求1所述的电连接器,其中所述多个肋每个限定出相反的第一表面和第二表面。
6.根据权利要求5所述的电连接器,其特征在于,所述多个肋中的至少一个肋沿着相对于所述多个肋而言不同的长度延伸。
7.根据权利要求1所述的电连接器,其特征在于,所述多个肋每个具有设置在第一平面中的部分,并且至少一个肋的设置在第一平面中的部分具有与所述多个肋的设置在第一平面中的部分不同的弯曲度。
8.根据权利要求1所述的电连接器,其特征在于,所述多个肋中的至少一个肋是分段的。
9.根据权利要求1所述的电连接器,其特征在于,所述电连接器具有与不包括接地板而是包括设置在间隙中的离散电接地触头的大体上同样构造的电连接器相同的总体尺寸。
10.根据权利要求1所述的电连接器,其特征在于,所述电信号对包括差动信号对并且所述多个肋用作相应的相邻差动信号各对之间的接地触头。
11.根据权利要求1所述的电连接器,其特征在于,所述电信号触头为直角触头。
12.一种电连接器,包括:
组织器;以及
由所述组织器保持的多个嵌模的引线框组件,每个所述嵌模的引线框组件包括:
绝缘外壳;
多个电信号触头,由绝缘外壳承载,并沿第一平面布置,其中所述电信号触头成对布置,以使得在相邻的电信号触头的各对之间设置相应的间隙,所述电信号触头限定相应的配对端部和安装端部;
接地板,由绝缘外壳承载,所述接地板包括多个配对端部、多个安装端部、以及接地板主体,所述接地板主体定向在大体上平行于第一平面并从第一平面偏移的第二平面中,所述接地板主体限定出相反的第一表面和第二表面,所述接地板包括:
多个压印的肋,每个所述肋完全地被包含在所述接地板主体中并且每个肋限定出相反的第一表面和第二表面,其中每个肋的第一表面在朝着相应一个间隙的方向上从接地板主体的第一表面凸出,肋的第二表面凹进在接地板主体的第二表面中,所述多个压印的肋每个都限定第一部分和第二部分,所述多个压印的肋的所述第一部分靠近所述多个配对端部,并且所述压印的肋取代相邻的电信号触头的各对之间的接地触头;
所述多个配对端部从接地板主体延伸,并且从所述接地板主体偏移以在第一平面中的与电信号触头的配对端部对准的相应间隙中延伸;以及
所述多个安装端部从接地板主体延伸,并且从所述接地板主体偏移以在第一平面中的与电信号触头的安装端部对准的相应间隙中延伸,
其中从接地板主体延伸的所述多个配对端部和所述多个安装端部设置在所述第一平面中。
13.根据权利要求12所述的电连接器,其特征在于,所述多个嵌模的引线框组件包括交替地布置的第一类型的嵌模的引线框组件和第二类型的嵌模的引线框组件,其中第一类型的嵌模的引线框组件的电信号触头相对于第二类型的嵌模的引线框组件的电信号触头交错。
14.一种制造电连接器的方法,包括以下步骤:
提供多个电信号触头;
将所述电信号触头沿第一平面保持在绝缘外壳中,以限定出设置在相邻的电信号触头的各对之间的间隙;
提供具有接地板主体的接地板,接地板主体限定出多个配对端部、多个安装端部、以及相反的第一表面和第二表面;
将多个肋冲压入接地板主体的第二表面中,以使得肋完全地被包含在所述接地板主体中并且每个肋都限定出相反的第一表面和第二表面,其中每个肋的第一表面从接地板主体的第一表面向外凸出,每个肋的第二表面凹进在接地板主体的第二表面中;并且
将接地板接合至绝缘外壳,以使得接地板主体定向在第二平面中,所述第二平面相对于第一平面偏移,并且每个肋的第一表面朝着由电信号触头的相邻各对限定的相应一个间隙凸出,从而冲压的所述肋取代相邻的电信号触头的各对之间的接地触头,所述多个电信号触头限定出相应的配对端部和安装端部,并且所述接地板主体限定的所述多个配对端部和所述接地板主体限定的所述多个安装端部从接地板主体延伸并设置在所述第一平面中。
15.一种电连接器,包括:
绝缘外壳;
多个电信号触头,由绝缘外壳承载,并沿第一平面布置,其中所述电信号触头限定出电信号对,以使得在相邻的电信号对之间设置相应的间隙;
接地板,由绝缘外壳承载,所述接地板包括接地板主体,所述接地板主体定向在大体上平行于第一平面并从第一平面偏移的第二平面中,所述接地板主体限定出相反的第一表面和第二表面,所述接地板包括至少一个肋,所述肋限定出第一部分、第二部分以及相反的第一表面和第二表面,其中肋的第一表面在朝着所述间隙的方向上从接地板主体的第一表面凸出,并且肋的第二表面凹进在接地板主体的第二表面中,
其中所述电信号触头限定出对应的配对端部和安装端部,所述接地板包括从接地板主体延伸并设置在第一平面中的相应的配对端部和安装端部,所述肋的所述第一部分邻近所述接地板的所述配对端部,且所述第二部分邻近所述接地板的所述安装端部。
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US9461410B2 (en) 2016-10-04
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US9048583B2 (en) 2015-06-02

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