CN1179448C - 带有屏蔽模件的连接器组件及其制造方法 - Google Patents

带有屏蔽模件的连接器组件及其制造方法 Download PDF

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CN1179448C
CN1179448C CNB971978085A CN97197808A CN1179448C CN 1179448 C CN1179448 C CN 1179448C CN B971978085 A CNB971978085 A CN B971978085A CN 97197808 A CN97197808 A CN 97197808A CN 1179448 C CN1179448 C CN 1179448C
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CN1230298A (zh
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S・K・米基韦茨
S·K·米基韦茨
惠内
R·N·惠内
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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Abstract

电连接器组件(10)，它包括绝缘机壳(12)和装配到其上的多个终端组件(30)和在其间的导电屏蔽件(60)。各终端模件(30)包括呈交错构型的第一和第二接点(42，44)，它们的中间部分(50)形成在沿之所选择的位置上，沿此位置，使第一接点(42)的中间部分封装到绝缘腹板(54)中与此模件的第一侧面(32)邻近，且使第二接点(44)的中间部分密封到此腹板(54)中，与此模件的第二侧面(34)邻近。在组装好的连接器(10)中，第一接点(42)沿表面(32)与屏蔽件(60)分开得较近，而第二接点(44)沿表面(34)与屏蔽件(60)分开得较近，由此确保了在各信号接点(40)与相应接地屏蔽件(60)之间而不是与相邻信号接点(40)之间有基本耦合。

Description

带有屏蔽模件的连接器组件 及其制造方法
技术领域
本发明涉及电连接器组件，具有用来屏蔽数列相邻终端使其不受串音影响的屏蔽模件。
背景技术
电子工业中，一般采用直角的连接器用作两块印刷电路板之间或印刷电路板与导线之间的电连接。这种直角连接器通常有着大量的销接纳终端以及与其成直角的，同印刷电路板作电接触的销(例如柔性销)。另一印刷电路板上的接线柱或接线柱连接件则可以插入上述销接纳终端中在其间形成电连接。通过这些连接器的电信号传输频率是很高的，这不仅要求与电路板有匹配的阻抗和这些终端模件内的各个接点有平衡的电容，以减少信号的滞后与反射，还要求在各排的终端间进行屏蔽以减少串音。
终端接点的阻抗匹配问题业已在美国专利No.5066 236和No.5496183中论述到，其中还讨论了低成本和设计简单的直角连接器，这方面的模件设计虽便于生产较短或较长的连接器而不必对全新的连接器作重新设计与加工，但却只能生产出一种新的机壳部来把许多一致的终端模件装配于其内。正如专利No.5066236中所表明的，可以在相邻终端模件之间插入屏蔽件。以上两专利中所讨论的模件是这样制造的：按所选择的形状冲压出引线框，再用绝缘材料于选择的区域中模制到此引线框上，形成把接点保持于所需布置形式中的绝缘腹板。接点的形状和腹板片的厚度控制成能在模件的接点间提供阻抗匹配。这些接点在散热片之间分开成使它们离组装好的相邻屏蔽件等距离。
专利EP-A-0486298中公开的一种连接器中，具有呈交替图案的第一和第二接点。由于每个第二模件中的接点有较宽的中间部分，就能取得屏蔽效果。
发明内容
本发明的目的在于提供一种改进了的终端模件，它具有较大的阻抗控制，用于在高密度的连接器中载运高速信号。
本发明的另一目的在于提供一种连接器，它在信号接点与相关的接地屏蔽件之间提高了耦合性，而在有源信号线之间降低了耦合性。
本发明的又一目的在于提供一种连续的屏蔽件，它在各列终端之间并基本上沿着接点的整个长度从配合界面延伸主板的界面，在接地电路与屏蔽件之间形成可靠和有效的电连接。
本发明的再一个目的在于提供有效和低成本的制造这种组件的方法。
通过提供一电连接器组件，达到本发明的一个目的电连接器组件包括绝缘机壳，组装在其上的多个终端模件和在其间的导电屏蔽件。各终端模件有多个接点，接点包括配合接点部、导线连接部和在它们之间的中间部分，而所述中间部中的至少一个是封装在绝缘腹板之中。每个模件上还安装有导电的屏蔽件，这种连接器组件的特征在于，各终端模件包括取交错构型的第一和第二接点，此第一和第二接点的中间部分形成于沿之所选择的位置上，使得第一接点的中间部分封装在与此模件的第一主侧面邻接的并与其相对的第二主面隔开的绝缘腹板中，而第二接点的中间部分则封装在与模件的第二主面邻接且与其第一主面相隔开的腹板中。在把此终端模件和其间的导电屏蔽件组装到绝缘机壳中时，第一接点的中间部分沿第一主面与第一接地屏蔽件隔开得相对于与第二接点的中间部分较近，而第二接点的中间部分则沿第二主面与第二接地屏蔽件隔开得相对于与第一接点的中间部分较近，由此能保证在各信号接点和相应的接地屏蔽件之间而不是和相邻的信号接点的基本耦合。
本发明的另一目的业已这样地实现：即通过使信号接点之间和周围的介电材料量减至最少，由此来减小信号接点的电容，因此就减小了信号接点之间的耦合以及噪音。
本发明的再一目的已在此终端模件的又一实施形式得以实现，其中各终端模件包括互补的第一和第二半模件以及第一和第二接点的交错构型。此第一和第二接点的中间部分形成于沿之所选择的位置上，使得第一接点的中间部分封装于限定出此模件的第一主侧面的第一半模件的绝缘腹板中，而第二接点的中间部分封装于限定出此模件的第二主面的第二半模件的腹板中。第一与第二半模件组合到一起，并将导电屏蔽件的放置在相邻的终端模件之间。然后将这样形成的组件插入绝缘机壳中。此第一接点的中间部分沿第一主面与第一接地屏蔽件隔开得相对于与第二接点的中间部分较近，而第二接点的中间部分沿第二主面与第二接地屏蔽件隔开得相对于与第一接点的中间部分较近，由此确保了在各信号接点与相应接地屏蔽件之间而不是与相邻信号接点间的基本耦合。
本发明也提出制造终端模件的方法，此模件有多个按交错构型排列的第一和第二接点，各接点具有配合的接点部、导线连接部以及在其间的中间部分，所述方法包括下述步骤：提供具有所述第一接点的第一引线框；提供具有所述第二接点的第二引线框；以绝缘材料模制上述第一引线框的中间接点部分，使所述绝缘材料形成围绕此中间部分的绝缘腹板，以把此中间部分精确和稳定地保持就位，同时限定出第一半模件，而所述第一接点的中间接点部分则与此第一半模件的选定侧面相邻；将上述第一和第二半模件紧固到一起而限定出所述终端模件，以此第一和第二半模件的侧表面朝外来构成所述模件的外侧面；和沿此终端模件的一个外侧面设置接地屏蔽件，确定出屏蔽的终端模件，而所述第一和第二半模件之一的中间接点部分则与此接地屏蔽件相邻。
现在参看附图说明本发明的实施形式。
附图说明
图1是其中设有依据本发明制备的一批终端模件的连接器的一部分的透视图，此模件与屏蔽件组件是从机壳和匹配连接器的底板和一个片段部分分解出的；
图2是终端模件中形成的接点在封装前的布置形式的透视图，其中为便于图示，除去了载承带；
图3是图2中的接点封装后的终端模件的透视图，同时示明了接点的配合部；
图4是从板安装部分所见的图3所示终端模件的透视图；
图5是此终端模件沿平行于其斜支承结构的直线截取的剖面图，同时示明了接点在此模件中的位置；
图6是本发明的插孔连接器的配合面的平面图；
图7是连接器组件表面放大的局部图；
图8是此插孔连接器经部分剖开的顶视平面图，同时示明了由配合连接器的互补接点的信号和接地接点配合部；
图9是具有许多依本发明制备的终端模件的连接器另一实施形式一部分的透视图，此模件与屏蔽件组件是从机壳分解出的；
图10是图9的连接器部分的透视图，其中模件是从连接器机壳分解出的；
图11是图9中终端模件与接地平面组件的分解图，用于说明模件的制备方法；
图12是图11中的接点在封装后的终端模件的透视图，且具有从其中分解出的接地屏蔽件同时示明了模件的板安装面；
图13是图12的终端模件的板安装面的平面图，示明了沿此面上的两个半模件的交错情形；
图14是组合好的图12中模件和接地屏蔽件的侧视平面图；
图15是已屏蔽好的图14中模件的顶视平面图；
图16是图9中插孔连接器的顶视平面图，经部分剖开，同时示明了由配合连接器的互补接点所配合的信号和接地接点的配合部。
具体实施方式
图1示出的连接器10具有机壳12和多个依据本发明制备的屏蔽的终端模件30。所示的连接器10是从电路板或底板74分解出的。机壳12包括配合面14、安装面16、装配面18、多个信号接点接纳通道26和从装配面18延伸到配合面14的多个接地接点接纳通道28。信号接点通道26包括在配合面14上的孔27，用来接纳配合连接器80的互补信号接点84。接地接点通道28包括在配合面14上的槽29，用以接纳配合连接器80的互补接地接点86，如图6和7所示。
配合连接器80包括机壳82，此机壳有许多信号接点84排列成与连接器10的信号接点阵列互补的交错阵列。机壳82还包括许多适合接纳在连接器10的接地接点62之间的接地片86。配合连接器80可安装到电路板(未示明)上，且属于美国专利No 4975 084中所公开的这种类型。
现在参看图2至4，每个终端模件30有相对的第一和第二主侧面32和34、引导或前端边缘36和板安装边缘38。模件30包括许多统一以40标明的接点，此接点包括第一和第二实施形式42和44。每个接点40包括一其上具有接触面48的配合接触部46、板安装部52和在其间延伸的中间部分50。上述第一和第二接点实施形式42、44相互不同，使得中间部分50沿相对方向成形或弯曲，而把相应中间部分50置放于接近终端模件30的相对主侧面32、34中的一个，后面将对此更详细地说明。相应终端40的各中间部分50至少有某些是封装在一绝缘腹板54中，以一部分绝缘体56环绕相应的中间接点部50，如图3与4所清楚表明的。图3与4还表明了第一接点42的中间部分50较靠近第一主侧面32，而第二接点44则邻近第二主侧面34。图4中还示明了从模件30分解出的接地屏蔽件60。
终端模件30的结构便于其采用自动化的制造和装配过程。接点冲压成引线框构型，中间部分50形成为第一和第二接点42、44的交错阵列，然后将此引线框用腹板材料54模制。如这些实施形式所示，板连接部42是以焊引线的形式示明的，但也可采用柔顺销或其它的构型。
参看图3和4可以最清楚地理解所示模制腹板54的结构。腹板54包括许多薄塑料带56，它们基本上围住了对应的中间终端部分50的三个侧面。腹板54大致呈矩形，包括在板安装面附近的支座55以及沿其外表面的用于在图1所示连接器10的组件中固定到加强件70上的槽58。加强件70由卡子71固定在机壳12上并取与美国专利No.4952172中所示相同的类型。
在所示腹板条56中第一和第二接点42、44的相应中间部分50的位置可从图5的剖面图中最好地看清。第一接点42的中间部分50和第一主侧面隔开得较近，而第二接点44的中间部分50则同第二主侧面隔开得较近。
如图4和5所示，由于终端模件30的直角构型，中间接点部40具有不同的长度，而接点的长度不同意味着它们有不同的电容，而这是高速数据传输中所不希望的，其理由已较详细地说明了上面引述的专利中。模件30中于选择的位置处设有气袋以补偿接点的长度差。气袋用来减小相邻接点间的介电常数，并使中间接点部的电容相互匹配，这是出于前述专利中所述的相同理由。结果，对于所选定的接点，使得沿此接点传送的信号延迟，从而实质上均衡了信号沿任何一个接点传输过模件的时间，应该指出，板连接部52都是在同一平面内，即使相应的中间部30和配合部46则并不处在同一平面中，这些配合部46如同相关的中间部分50，邻近模件30的同一主侧面。
现在参看图4，接地屏蔽件60基本上是一平面件，它所具有的接点配合部62包括：上面形成有接触面64的多个悬臂63、平面体部件66以及沿着其板安装边缘延伸的板安装段68。接地屏蔽件60的尺寸使其能设置在相邻的终端模件30之间，如图1所示。最好是用插入到绝缘腹板的槽57中的接头65将屏蔽件固定到各模件30之上。屏蔽件60如图4所示实质上覆盖模件30的一个主侧面的整个表面。
图6示明了配合面14而图7示明了连接器机壳12的装配面18，其中信号接点接纳通道26设在接地接点接纳通道28的对角线的相对端部处。图8示明了连接器机壳12的一个片段部分，其中配合连接器80的信号插销84同信号接点40的相应的接点配合部46配合，同时配合连接器80的各接地接头则与接地接点的接点配合部62配合。从这些图中可见，信号接点46同相关的接地屏蔽件60比同相应的信号接点40隔开得更近，即在终端模件30中与之相邻。信号接点40与相应的接地屏蔽件60的紧邻，保证了各个信号接点与相应的接地屏蔽件之间而不与相邻的信号接点之间的耦联，从而就减少了与串音和噪音有关的问题。
正如美国专利No.5066236和No.5496183中所公开的，图1中的终端模件30和接地屏蔽件60然后并排地装配到机壳模件12的背面，在此，销接纳端38用于接纳互补的插销终端，而连接终端52则是用于同印刷电路板上的通孔导电接触。在所示实施例中，信号接点的各终端52容纳于电路板74的通孔76中，而接地屏蔽件60的板安装段68则容纳于板74的通孔78中，如图1所示。
图9和10示明了另一个连接器的实施例110，它具有机壳112和许多依据本发明制备的屏蔽的终端模件130。机壳112包括配合面114、安装面116、一批信号接点接纳通道116和一批接地接点接纳通道128。机壳112基本上按前述机壳12的相同方式构造。为便于说明，连接器110有10排信号接点而连接器10有8排接点。连接器110与前述的连接器80类似，适合与互补的连接器配合。
现在参看图11-15，各个终端模件130分别包括互补的第一和第二半模件131、133。装配好的模件130具有相对的第一和第二主侧面132、134、引导或前端边缘136、板安装边缘138和由第一与第二组142、144组成的多个接点140。每个接点140包括其上有接触面142的配合接触部146、板安装部152和在其间延伸的中间部150。第一半模件131包括第一接点组142，第一半模件133包括第二接点组144。此第一和第二接点组142、144相互不同，使得第一组142的各中间部150成形或弯曲成在与第二组144的接点的中间部分150的相对方向上与板安装部152邻接。如这些图中所示，各组中的接点在组装起的模件130中是交错的。在所示实施例中，在组装后的连接器110内，第一接点组142包括一、三、五、七、九排中的接点，第二接点组144包括二、四、六、八、十排中的接点。各个弯曲段的位置选择成使得各中间部分150的大部分与终端模件130的相对主侧面132、134之一邻接，而在模件131装配好时，相应的板安装部152基本上是从板安装边缘136的中间延伸出，后面将对此作更详细的说明。各终端140的每个中间部分150的至少一部分封装于绝缘腹板154中，可从图11和12中清楚看到。图11和12还表明了，第一组接点142的中间部分150更靠近第一主侧面132，而第二组接点144的中间部分150则与第二主侧面134相邻。图12还示明了从模件130上分解出的接地屏蔽件160。
终端模件130的结构可使其适合自动化制造和装配方法。各组接点冲压成引线框构型141a，141b，而中间部分沿所选方向成形。然后各个引线框再用腹板材料54模制来形成半模件131或133中之一。如这些实施例中所示，板连接部152取得引线形式，但也可采用柔顺的部段或其它构型。
参考图11和12可以最好地理解所示的这种模制的腹板154的结构。腹板154包括薄的基本上是实心的壁，限定了模件130的两个主侧面132、134之一。上述壁充分地环绕中间的终端部分150，将中间接点位置精确和稳定地保持于半模件之中。各个腹板154大致为矩形，以其各侧包括终端模件130对应边缘的一个/半个厚度。如图11和13所示，各个相应的板安装部152由腹板材料的“指形件”138a或138b所围绕。这些指形件138a、138b在半模件131、133组装成模件130时相互交错。从图11中可以清楚地看到，至少有一个半模件包括一对柱135，同时至少其中一个半模件包括一对用来将这两个半模件固定到一起的互补孔137。至少半模件的外表面还包括凹部和由此外延的凸部139，用来与屏蔽件160配合，下面将对此更全面地说明。
如上所述，终端模件130的直角状构型使得中间接触部分150具有不同的长度，结果导致接点具有不同的电容。为了调节相应接点的电容和补偿不同的长度，腹板154如图14所示，沿各个接点中间部分150的表面，设有许多穿过腹板的孔158。此外，为了使组合的模件130获得所需的电性质，半模件131、133在装配到一起时于其间形成一个气袋。应该指出，板连接部152处于同一平面中。即使相应的中间部分150和配合部146不处于同一平面中。
现在参看图14和15，接地屏蔽件160基本上是类似于前述屏蔽件60的平面件。屏蔽件160具有的接点配合部162包括许多在其上形成有接触面164的悬臂、平面体部件166和沿其板安装边缘延伸的许多板安装段168。接地屏蔽件160所取尺寸能使其如前所述置于相邻的终端模件130之间。在所示的这一实施例中，屏蔽件160包括一凹角部165，具有穿过它的孔167并适合固定到半模件131的柱139上。接地屏蔽件160可以固定到装配好的模件上，或者可在增加第二个半模件133而形成屏蔽的模件130前，将屏蔽件160装附到半模件131之上。图7是图6中的装配好的模件的顶视图，上面安装了接地屏蔽件160。然后如前所述，将终端模件130和接地屏蔽件160并排地组装到机壳模件112的背部上。
图16示明了连接器机壳112的一个局部，其中配合连接器180的信号插销184同信号接点140的相应接点配合部146配合，而配合连接器180的相应接地接头186则如连接器实施形式10一样同接地接点的接点配合部62配合。如这些图中所示，信号接点140的配合部146相对于一相关的接地屏蔽件160隔开得很接近，而且同在终端模件130中与之相邻的相应信号接点140相比，更紧密地与此屏蔽件160相关联。

Claims (4)

1.电连接器组件(10，110)，包括绝缘机壳(12，112)，组装在其上的多个终端模件(30，130)和其间的导电屏蔽件(60，160)，各终端模件(30，130)有多个信号接点(40，140)，这些接点包括配合接点部(46，146)、导线连接部(52，152)和在它们之间的中间部分(50，150)，而所述中间部分中的至少一个是封装在绝缘腹板(54，154)之中，每个模件上还安装有导电的屏蔽件(60，160)，这种连接器组件(10，110)的特征在于，各终端模件(30，130)包括取交错构型的第一和第二接点(42，142；44，144)，此第一和第二接点(42，142；44，144)的中间部分(54，154)形成于沿之所选择的位置上，使得第一接点的中间部分(50，150)封装在与此模件(30，130)的第一主侧面(32，132)邻接的并与其相对的第二主面(34，134)隔开的绝缘腹板(154)中，而第二接点(44，144)的中间部分(54，154)则封装在与模件(30，130)的第二主面(34，134)邻接且与其第一主面(32，132)相隔开的腹板中，由此，在把此终端模件(30，130)和其间的导电屏蔽件(60，160)组装到绝缘机壳(12，112)中时，第一接点(42，142)的中间部分(50，150)沿第一主面(32，132)与第一接地屏蔽件(60，160)隔开得相对于与第二接点(44，144)的中间部分(50，150)较近，而第二接点(44，144)的中间部分(50，150)则沿第二主面(34，134)与第二接地屏蔽件(60，160)隔开得相对于与第一接点(42，142)的中间部分(50，150)较近，由此能保证在各信号接点(42，142；44，144)和相应的接地屏蔽件(60，160)之间而不是和相邻的信号接点(44，144；42；142)的耦合。
2.权利要求1所述的连接器组件(110)，其中各终端模件(130)包括互补的半模件(131，133)，各个半模件(131，133)包括一批此第一和第二接点(142，144)中之一。
3.电连接器组件(110)，包括绝缘机壳(112)，组装在其上的多个终端模件(130)和在其间的导电屏蔽件(160)，各终端模件(130)有多个信号接点(140)，这些接点包括配合接点部(146)、导线连接部(152)和在它们之间的中间部分(150)，而所述中间部分(150)中的至少一个是封装在绝缘腹板(154)之中，每个模件上还安装有导电的屏蔽件(160)，这种连接器组件(110)的特征在于，各终端模件(130)包括互补的第一和第二半模件(131，133)以及第一和第二接点(142，144)的交错构型，此第一和第二接点(142，144)的中间部分(150)形成于沿之所选择的位置上，使得第一接点(142)的中间部分(150)封装于限定出此模件(130)的第一主侧面(132)的第一半模件(131)的绝缘腹板中，而第二接点(144)的中间部分(150)封装于限定出此模件(130)的第二主面(134)的第二半模件(133)的腹板中；这样当此第一与第二终端半模件(131，133)组合到一起，并将导电屏蔽件(160)放置在相邻的模件(130)之间，然后把它们插入绝缘机壳(112)中时，此第一接点(142)的中间部分(150)沿第一主面(132)与第一接地屏蔽件(160)隔开得相对于与第二接点(44，144)的中间部分(150)较近，而第二接点(144)的中间部分(150)沿第二主面(134)与第二接地屏蔽件(160)隔开得相对于与第一接点(142)的中间部分(150)较近，由此确保了在各信号接点(142，144)与相应接地屏蔽件(160)之间而不是与相邻信号接点(144，142)的耦合。
4.制造终端模件(130)的方法，此模件有多个按交错构型排列的第一和第二接点(142，144)，各接点(142，144)具有配合的接点部(146)、导线连接部(152)以及在其间的中间部分(150)，所述方法包括下述步骤：
提供具有所述第一接点(142)的第一引线框(141a)；
提供具有所述第二接点(144)的第二引线框(141b)；
以绝缘材料模制上述第一引线框(141a)的中间接点部分(150)，使所述绝缘材料形成围绕此中间部分(150)的绝缘腹板(154)，以把此中间部分(150)精确和稳定地保持就位，同时限定出第一半模件(131)，而所述第一接点(142)的中间接点部分(150)则与此第一半模件的选定侧面相邻；
将上述第一和第二半模件(131，133)紧固到一起而限定出所述终端模件(130)，以此第一和第二半模件的侧表面朝外来构成所述模件(130)的外侧面；和
沿此终端模件(130)的一个外侧面设置接地屏蔽件(160)，确定出屏蔽的终端模件，而所述第一和第二半模件(131，133)之一的中间接点部分(150)则与此接地屏蔽件相邻。
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DE69711716T2 (de) 2002-10-24
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AU4259997A (en) 1998-04-02
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US5795191A (en) 1998-08-18
WO1998011633A1 (en) 1998-03-19
EP1012925B1 (en) 2002-04-03
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JP2002513502A (ja) 2002-05-08

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