CN102087392B - 光纤分路器模块 - Google Patents

光纤分路器模块 Download PDF

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CN102087392B
CN102087392B CN2011100541687A CN201110054168A CN102087392B CN 102087392 B CN102087392 B CN 102087392B CN 2011100541687 A CN2011100541687 A CN 2011100541687A CN 201110054168 A CN201110054168 A CN 201110054168A CN 102087392 B CN102087392 B CN 102087392B
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module
housing portion
main housing
fiber optic
frame
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CN102087392A (zh
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S·C·齐梅尔
T·D·史密斯
P·涅
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Commscope Technologies LLC
Commscope Connectivity LLC
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ADC Telecommunications Inc
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4453Cassettes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3887Anchoring optical cables to connector housings, e.g. strain relief features
    • G02B6/3888Protection from over-extension or over-compression
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3897Connectors fixed to housings, casing, frames or circuit boards
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4441Boxes
    • G02B6/4446Cable boxes, e.g. splicing boxes with two or more multi fibre cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4452Distribution frames
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/444Systems or boxes with surplus lengths
    • G02B6/4453Cassettes
    • G02B6/4455Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/4457Bobbins; Reels
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439Auxiliary devices
    • G02B6/4471Terminating devices ; Cable clamps
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes

Abstract

一种电信组件(10)包括机架(12)和安装在所述机架内的多个光纤分路器模块(14)。每一分路器模块包括至少一个光纤连接器(18)。将至少一个光纤适配器(16)置于所述机架的内部。在安装位置通过机架的正面开口插入所述分路器模块能够将所述分路器模块的连接器置于适当位置,从而插入到所述机架的适配器内并与所述机架的适配器配合。整体形成安装在所述机架内部的适配器,使之作为可拆卸的适配器组件的部分。还公开了一种将光纤分路器模块安装到电信机架内的方法。

Description

光纤分路器模块
本申请是根据2007年2月6日提交的发明名称为“光纤分路器模块”的专利申请200780005252.1(PCT/US2007/003035)提出的分案申请。
技术领域
本发明总体上涉及光纤电信设备。更具体而言,本发明涉及光纤模块和用于固定光纤模块的机架。
背景技术
在光纤电信系统中,一种普遍的做法是通过对单股光缆传输的信号进行光学拆分或者通过使多股光缆的各条光纤扇出而将传输光缆的光纤拆分成多个股。此外,在安装这样的系统时,已知在安装中提供超额能力,以支持将来的光纤增加和利用。在这些安装中,往往采用包括分路器或扇出端的模块提供传输光纤和客户光纤之间的连接。为了降低造价和初始安装的复杂性,并且仍然能够提供针对未来扩展的选项,可以在这样的安装中采用能够安装多个模块的模块安装机架。
尽管机架可以容纳几个模块,但是初始安装可以只包括较少的几个安装在机架内的模块,或者足以满足当前需求。这些机架可能被配置为对其一侧或多侧的接触存在限制,或者可能被安装在狭促的位置上。此外,可以将这些机架中的一些预先配置为具有最大的传输光缆容量,以容纳并链接至将来可能安装的模块。由于在新模块的安装过程中,希望能够触及机架内的部件,以对其清洁,因而希望机架的某一设置或特征允许用户触及并清洁这些预先连接器化的并且预先安装的传输光缆的连接器。
还希望将所述机架配置为确保模块得到正确安装,并且与机架内的其他部件对准,从而与预先连接器化的预先安装传输光缆匹配。
发明内容
本发明涉及一种包括机架和安装在所述机架内的多个模块的电信组件。所述模块包括一个或多个光纤连接器。将对应的光纤适配器置于所述机架内部的每一安装位置处。在安装位置通过机架的正面开口插入所述模块能够将所述模块的一个或多个连接器置于适当位置,从而插入到所述机架的适配器内并与所述机架的适配器配合。在可拆卸适配器组件内整体形成安装在所述机架内部的适配器。
本发明还涉及在机架内安装电信模块的方法。
附图说明
说明书所包括的并且构成其组成部分的附图示出了本发明的几个方面,其与具体实施方式一起起着描述本发明的原理的作用。附图说明如下:
图1是带有多个安装在机架内的光纤分路器模块的电信组件的背部透视图,其中,从所述电信组件分解出了所述适配器组件中的一个;
图2是图1的电信组件的顶视图;
图3是图1的电信组件的正视图;
图4是图1的电信组件的后视图;
图5是图1的电信组件的左侧视图;
图6是图1的电信组件的右侧视图;
图7是图1的电信组件的特写图,其示出了从电信组件中分解出来的适配器组件;
图8是图1的适配器组件之一的正面透视图;
图9是图8的适配器组件的背面透视图;
图10是图8的适配器组件的右侧视图;
图11是图8的适配器组件的左侧视图;
图12是图8的适配器组件的正视图;
图13是图8的适配器组件的后视图;
图14是图8的适配器组件的顶视图;
图15是图8的适配器组件的底部视图;
图16是图1的光纤分路器模块中的一个的右侧视图,其被示为带有安装于其上的适配器组件;
图17是图16的光纤分路器模块和适配器组件的左侧视图;
图18是图16的光纤分路器模块和适配器组件的正视图;
图19是图16的光纤分路器模块和适配器组件的后视图;
图20是图16的光纤分路器模块的正面透视图,其中,以隔离的形式将其示为不带有安装于其上的适配器组件;
图21是图20的光纤分路器模块的背面透视图;
图22是图16的光纤分路器模块的分解图,其被示为带有从所述光纤分路器模块分解的适配器组件;
图23是图20的光纤分路器模块的左视图;
图24是图20的光纤分路器模块的右视图;
图25是图20的光纤分路器模块的正视图;
图26是图20的光纤分路器模块的后视图;
图27是图20的光纤分路器模块的顶视图;
图28是图20的光纤分路器模块的底视图;
图29是图20的光纤分路器模块的右视图,其被示为不带有盖,从而暴露了光纤分路器模块的内部特征,其包括光纤分路器模块内的光缆的路由;
图30是沿图29的剖面线30-30得到的截面图;
图31示出了局部插入到图1的机架内的光纤分路器模块,所述机架包括安装于其上的适配器组件,其中,在所述分路器模块的连接器接触位于所述机架内的遮板之前的位置上示出了所述光纤分路器模块;
图32示出了图31的光纤分路器模块;其被示为,在机架内的位置上,使光纤分路器模块的连接器与位于机架内的遮板初步接触;
图33示出了图31的光纤分路器模块;其被示为处于完全插入到了所述机架内的位置上;
图34是贯穿所述光纤分路器模块的中心得到的处于所述机架内的图32所示的光纤分路器模块的侧视截面图;
图35是贯穿所述光纤分路器模块的中心得到的处于所述机架内的图33所示的光纤分路器模块的侧视截面图;
图36示出了带有安装于其上的光纤分路器模块的图1所示的机架的正面透视图,其是结合从所述机架分解的防尘罩/测试工具示出的,其中,将所述防尘罩/测试工具用作测试工具;
图37示出了图36的机架的正面透视图,其是结合从所述机架分解的防尘罩/测试工具示出的,其中,将所述防尘罩/测试工具用作防尘罩;
图38示出了图36的防尘罩/测试工具,其是结合了图8的适配器组件的分解图示出的;
图39是图36的防尘罩/测试工具的正面透视图,其被示为带有安装于其上的适配器组件,并且被示为带有从防尘罩/测试工具分解出的防尘罩/测试工具的测试连接器之一;
图40是图36的防尘罩/测试工具的背面透视图,其被示为不带有防尘罩/测试工具的测试连接器;
图41是图40的防尘罩/测试工具的正面透视图;
图42是图40的防尘罩/测试工具的右视图;
图43是图40的防尘罩/测试工具的左视图;
图44是图40的防尘罩/测试工具的后视图;
图45是图40的防尘罩/测试工具的顶视图;
图46是根据本发明的夹紧延伸部的底部正面透视图;
图47是图46的夹紧延伸部的底部背面透视图;
图48是图46的夹紧延伸部的底视图;
图49是图46的夹紧延伸部的顶视图;
图50是图46的夹紧延伸部的右视图;
图51是图46的夹紧延伸部的左视图;以及
图52是图46的夹紧延伸部的后视图。
具体实施方式
现在将详细参考在附图中示出的本发明的示范性方面。只要可能,将在所有的附图中采用相同的附图标记表示相同或类似的部分。
图1-7示出了电信组件10,其包括电信机架12和适于安装在所述机架12内的多个光纤分路器模块14。将光纤分路器模块14配置为以可滑动的方式插入到机架12内,并且可以被光学耦合至安装在机架12内的适配器组件16。安装在机架12内的适配器组件16形成了在端接至输入光缆的连接器和分路器模块14的连接器之间的连接位置,在下文中将对其给出更为详细的讨论。
仍然参考图1-7,机架12包括在一对相对的横向侧壁22和24之间延伸的顶壁18和底壁20。机架12包括通过机架12的背面28的开口26和通过机架12的正面32的开口30。将光纤分路器模块14通过正面开口30插入到机架12内。将适配器组件16通过机架12的背面开口26插入并邻近所述开口安装。侧壁22和24均包括从所述正面开口30朝向背面28延伸的切口34。通过所述切口34可以看到安装在所述机架12内的分路器模块14。所述机架12的侧壁22和24还限定了处于所述机架12的背面28的插入部分36,其有助于触及适配器组件16。
在图1中,机架12被示为具有安装于其上的八个光纤分路器模块14。应当指出,在其他实施例中,可以将机架的尺寸设为容纳更多或更少的分路器模块。
仍然参考图1-7,机架12包括用于以滑动的方式接收分路器模块14的多个安装位置38。每一安装位置38限定了与机架12的顶壁18相邻的插槽40和与机架12的底壁20相邻的插槽42。在图1中可以看到与底壁20相邻的插槽42。在图36和37中示出了与顶壁18相邻的插槽40。插槽40和42从机架12的正面32延伸至机架12的背面28。将插槽40和42配置为接收如图36和37所示的分路器模块14的安装凸缘44和46,从而使模块14与机架12内的其他部件(例如,适配器组件的适配器)对准,进而与预先连接器化的和/或预先安装的传输光缆配合。
在机架12的顶壁18的下面限定的插槽40比在机架12的底壁20上限定的插槽42深。将插槽40和42的深度配置为容纳在分路器模块14的顶壁和底壁上限定的不同尺寸的凸缘44和46。通过这种方式,插槽40和42以及光纤分路器模块14的安装凸缘44和46提供了确保将模块14按照正确的朝向插入到机架12内的锁定机制。
机架12的顶壁18下面的插槽40限定于多个隔板(bulkhead)48之间(参考图36和37)。隔板48从机架12的正面32延伸至机架12的背面28。在机架12的前端32处,每一隔板48限定了向下延伸的前唇板50(图35),其与分路器模块14的带有回弹力的可形变闭锁件52(例如悬臂)联锁,从而使分路器模块14在机架12内固定就位,这一点将在下文中更为详细地讨论。
参考图1和图7,在机架12的后端28处,每一隔板48限定了背面54,其带有用于接收适配器组件16的紧固件58(例如,指旋螺丝)的紧固件孔56,从而将适配器组件16安装到机架12上。在图示的实施例中,使紧固件孔56带有螺纹,以接收螺丝型紧固件。应当指出,在其他实施例中,可以采用其他类型的紧固结构将适配器组件16安装到机架12的背面28。
在与后端28相邻的位置,每一隔板48还包括水平插槽60和竖直插槽62,它们与适配器组件16的形状互补,从而滑动接收适配器组件16。
图8-15示出了根据本发明的适配器组件16。适配器组件16在端接至输入光缆的连接器和安装在机架12内的分路器模块14的连接器之间形成了连接位置。
参考图8-15,适配器组件16包括被形成为整体式外壳66的一部分的两个集成适配器64。在其他实施例中,也可能采用其他数量的适配器。适配器组件16的每一适配器64包括前端68和后端70。每一适配器64的前端68接收光纤分路器模块14的连接器,后端70接收端接至输入光缆的连接器。
适配器组件外壳66包括从外壳66的顶部74延伸的机架安装滑块72,其通过后端28容纳于机架12内。滑块72限定了水平部分76和竖直部分78。将水平部分76配置为以可滑动的方式容纳于隔板48的水平插槽60内,将竖直部分78配置为以可滑动的方式容纳于隔板48的竖直插槽62内。
机架安装滑块72包括一对凸缘80,其用于支持紧固件58,从而将适配器组件16固定至机架12。如前所述,将紧固件58置于由位于机架12的顶壁18的下面的隔板48的背面54限定的开口56内。紧固件58优选为系留紧固件。在如图所示的适配器组件的实施例中,紧固件58为指旋螺丝,在其他实施例中,可以采用其他类型的紧固件。
使紧固件58发生旋转从而借助螺纹将适配器组件16连接至隔板48。还将紧固件58配置为,一旦将适配器组件16安装到机架12上,其能够为适配器组件16提供相对于机架12的预定量的水平浮动。如图8-14所示,适配器组件16的紧固件58包括凸缘81。紧固件58能够相对于适配器组件外壳66在凸缘80内水平移动。如图35所示,一旦安装到了机架12上,适配器组件外壳66能够在凸缘81和隔板48的背面之间相对于紧固件58水平浮动或移动。例如,在图35中,适配器组件16被示为能够朝向机架12的后端移动或浮动距离A。通过这种方式,当在拆卸过程中将分路器模块14从机架12中以滑动的方式拉出时,随着分路器14的啮合的连接器118拉紧适配器组件16的适配器64,适配器组件16能够朝向分路器模块14浮动距离A。通过这种方式,为适配器组件16提供了在啮合至分路器模块14或从其上拆下时产生的一定量的水平浮动。
如图38中的适配器组件16的分解图所示,通过侧面开口82将每一适配器64的元件置入到形成于适配器组件外壳66内的适配器凹陷84内。每一适配器64的元件包括箍圈对准套筒86和一对内部半壳体88。通过与1993年5月20日颁发的名为“ONE-PIECE SC ADAPTER”的为本申请人所共有美国专利No.5317663所公开的类似的方式将这些元件置入到凹陷84内,在此将其公开内容引入以供参考。面板90关闭开口82,并保护每一适配器64内的元件。所示的适配器64是用于SC样式的连接器的,但是在本公开的范围内也可以采用其他类型、样式和形式的适配器以及与这些备选适配器配合的连接器。
在图16-19中,将适配器组件16示为在机架12之外安装到光纤分路器模块14上。
图20-30示出了根据本发明的光纤分路器模块14中的一个。参考图20-30,光纤分路器模块14包括分路器模块外壳92。分路器模块外壳92包括主壳体部分94和可卸盖96。主壳体部分94包括在顶壁100、底壁102、后壁104和前壁106之间延伸的第一横向侧壁98。可卸盖96限定了分路器模块外壳92的第二横向壁108,并且关闭了模块主壳体94的开口侧。
通过使紧固件(未示出)穿过限定于主壳体部分94上的紧固件底座110将盖96安装到主壳体部分94上。盖96延伸到第一横向壁98之外,以形成分路器模块14的顶部安装凸缘44和底部安装凸缘46。参考图23、25和26,如上所述,分路器模块外壳92的底部凸缘46和机架12上的对应插槽42在尺寸上小于顶部凸缘44和机架12上的对应插槽40。将底部插槽42的尺寸设置为,可以将底部凸缘46容纳于插槽42内,而较大的顶部凸缘44则不匹配。其确保了将模块14按照特定的预期取向置于正面开口30内。在1994年11月8日颁发的名为“FIBER OPTIC CONNECTOR MODULE”的共有美国专利No.5363465中描述了类似的凸缘,在此将其公开内容引入以供参考,通过这种方式,将光纤模块14按照正确的取向在每一安装位置38连接至邻近机架12的背面28安装的适配器组件16。
主壳体部分94的后壁104包括曲面部分112,其被配置为为内部114之内的光缆提供弯曲半径保护。主壳体92的后壁104还包括插入部分116。置于插入部分116处的一对光纤连接器118从后壁104向后突出,从而与安装在机架12内的适配器组件16的光纤适配器64配合。
如图5和图6所示,使模块主壳体94的前壁106相对于机架12的正面开口30成一定角度,其有助于光缆处于有利的方向,从而使朝向预期的位置离开模块14。在其他实施例中,在本公开的范围内,可以使前壁106大致平行于机架12的正面32。
每一模块14包括两个从模块主壳体94的前壁106延伸的光缆出口120。如图22所示,将光缆出口120可滑动安装到模块14的主壳体94上,并且在将盖96安装到主壳体94上时,使模块14的盖96俘获光缆出口120。光缆出口120限定了突出的后唇板122,其可以滑动插入到围绕前窗孔126限定的用于容纳光缆出口120的插槽124内。盖96还包括狭缝128,其接收光缆出口120的后唇板122,以俘获光缆出口120。光缆出口120允许将模块14内的电信光缆引出到模块14之外。如图25所示,优选将光缆出口120的尺寸设置为足够薄,以匹配到光纤分路器模块14的轮廓内,并由此保持电信组件10的密度。
主壳体94包括整体形成的柔性闭锁件52(即,悬臂),其适于啮合机架12的一部分,从而将模块14固定到机架12的正面开口30内。柔性闭锁件52还可以发生偏转,从而允许将模块14从机架12上拆卸下来。
仍然参考图20-30,模块14的闭锁件52包括指状夹紧突起130、前闭锁突起132和后闭锁突起134。前闭锁突起132和后闭锁突起134在其间限定了凹陷136。后闭锁突起134包括倾斜面138,在将模块14插入到机架12内时,所述倾斜面138使闭锁件52向下发生弹性偏转。后闭锁突起134还包括方形面140,其与前闭锁突起132的方形面142相对。
在两个闭锁突起132和134之间的凹陷136内俘获处于机架12的安装位置38上的隔板48的前唇板50,从而使模块14在机架12内固定就位。在插入过程中,随着隔板48的前唇板50越过倾斜的后突起134,并被俘获在两个闭锁突起132和134之间的凹陷136内,闭锁件52将向上回弹。闭锁件52的两个突起132和134之间的凹陷136允许分路器模块14在机架12内发生一定量的水平浮动,在下文中将对其做进一步讨论。
通过向下按闭锁件52,使后突起134的方形面140脱离唇板50,并使模块14滑出机架12来执行模块14的拆卸。模块14包括固定的夹紧突起144,其与柔性闭锁件52相对并与之相邻,从而有助于将模块14从机架12上拆下。将固定的夹紧突起144形成为模块14的前壁106的一部分。优选将固定的夹紧突起144置于模块14上与闭锁件52相对的位置,从而使用户可以对闭锁件52和固定的夹紧突起144施加相对的力,从而牢固地夹紧模块14,以及将其从机架12上拆除。优选将固定的夹紧突起144置于模块14上的足够接近闭锁件52的位置,从而使用户可以用两个相邻的手指施加力。
图22示出了说明模块14的内部部件的光纤分路器模块14的分解图。在图22中将光纤分路器模块14示为带有从模块14上分解出来的适配器组件16。
在主壳体94的内部114之内,分路器模块14包括与主壳体94的后壁104的曲面部分122相邻的第一半径限制器146。分路器模块14包括与接近光缆出口120的外壳94的前壁106相邻的第二半径限制器148。将分路器模块14的连接器118可滑动插入到形成于后壁104上的窗孔156内的相对插槽154内。连接器118在后壁104的插入部分116处从后壁104突出。连接器118的外壳150包括容纳于相对的插槽154内的横向凸缘152,所述相对的插槽154形成于用于容纳连接器118的窗孔156内。一旦将连接器118可滑动插入,盖96就会将连接器118俘获到外壳92内。
诸如光纤分路器或扇出端的光学部件158与内部114内的主壳体94的底壁102相邻。通过夹板160(即托架)使光学部件158紧靠底壁102的内部固定。借助紧固件(未示出)将夹板160安装到限定于分路器模块主壳体94上的夹板底座162上。在如图所示的外壳94的实施例中,夹板底座162包括两对安装孔164和166。根据用于将光学部件158固定到底壁102上的夹板的尺寸采用上面的一组孔164或下面的一组孔166。应当注意,不同的光学部件可以具有不同的厚度,并且可能需要采用不同尺寸的夹板将光学部件固定就位。在某些实施例中,可以采用一个叠在另一个上的两个光学部件,在这种情况下,可以采用较小的夹板将所述两个光学部件固定就位。
通过一组光缆管理结构168使光学部件158从第一横向壁98的内部一侧发生偏移。在图示的模块14的实施例中,所述的一组光缆管理结构168是在其间限定了光缆管理狭缝172的细长结构170。在将光学部件158固定就位时,可以使光缆通过光学部件158和第一横向壁98的内侧之间的狭缝172路由(请参考图29和30)。
分路器模块主壳体94还包括位于第二半径限制器148之下与外壳94的前壁106相邻的作为整体形成的压接(crimp)支架174(例如,插槽)。如图22和29所示,将压接至通过光学部件158拆分的光缆的末端的压接元件176可滑动容纳到压接支架174内。压接元件176限定了方形凸缘175,在方形凸缘175之间限定了凹陷部分177。压接支架174包括与压接元件互补的结构,从而在将压接元件176可滑动插入到压接支架174内之后,在凸缘175的作用下避免压接元件176沿纵向移动。一旦将压接元件176滑动插入之后,就通过安装到分路器模块主壳体94上的盖96将压接元件176固定就位。在图示的实施例中,有九个压接固定插槽174,每一插槽能够容纳多达四个压接元件176。其他数量也是可能的。也可能采用其他压接元件和压接固定插槽之间的互补外形提供滑动匹配,并且在将压接元件插入到压接支架内之后避免压接元件发生轴向移动。
图29示出了不带盖96的光纤分路器模块14,其暴露了包括光缆在光纤分路器模块14内的路由的光纤分路器模块14的内部特征。图30是沿图29的剖面线30-30得到的截面图。
如图29所示,第一光缆178从连接器118朝向安装在模块外壳92内的光学部件158延伸。如前面讨论的,光学部件158可以是分路器、扇出端或者其他类型的光学部件。在图示的实施例中,光学部件158是用于将单股的信号拆分成多个次级信号的光纤分路器。在另一实施例中,第一光缆178可以是带有多股光纤的多股光缆,所述光学部件可以是用于将各个股分离成多个第二光缆中的每一个的扇出端。
随着第一光缆178朝向光学部件158延伸,将所述第一光缆178通过光学部件158和模块外壳94的第一横向壁98的内侧之间的狭缝172(参考图22、29和30)插入,并使其环绕第一半径限制器146,之后在被光学部件158接收之前环绕第二半径限制器148。第二光缆180从光学部件158开始延伸,并且在通往压接支架174之前也一直环绕第一半径限制器146。压接至压接元件176的其他末端的光缆(未示出)从压接支架174通过模块出口120离开所述模块。
外部光缆(未示出)可以延伸至适配器组件16的适配器64的后端70,并端接于连接器(图29中未示出),在将模块14插入到机架12内后,所述连接器通过适配器64光学连接至模块14的连接器118。应当指出,如图29和30所示的光纤光缆在模块14内的路由只是一个例子,也可能采用光缆在所述模块内的其他路由方式。
将如图所示的光纤分路器模块14的实施例配置为使其能够容纳降低的弯曲半径光纤。降低的弯曲半径光纤可以具有大约15mm的弯曲半径,而未降低的弯曲半径光纤可以具有大约30mm的弯曲半径。
在本申请人共有的美国专利申请No.10980978(2004年11月3日提交,名为“FIBER OPTIC MODULE AND SYSTEM INCLUDING REARCONNECTORS”);11/138063(2005年5月25日提交,名为“FIBER OPTICSPLITTER MODULE”);11/138889(2005年5月25日提交,名为“FIBEROPTIC ADAPTER MODULE”);以及11/215837(2005年8月29日提交,名为“FIBER OPTIC SPLITTER MODULE WITH CONNECTOR ACCESS”)中描述了类似的光纤分路器模块,在此将其公开内容引入以供参考。
在图31-35中示出了分路器模块14向机架12内的插入。参考图31-35,光纤模块14向机架12的正面开口30内的插入开始于模块14向机架12以及向适配器组件16的适配器64的配合。随着模块14的插入,顶部凸缘44啮合机架12的顶部插槽40,底部凸缘46啮合机架12的底部插槽42。
仍然参考图31-35,机架12包括处于每一安装位置38上的柔性遮板182。遮板182适于避免意外暴露于光下。将遮板182置于适配器组件16的每一适配器64的前端68。在将分路器模块14放在相关的安装位置38上之前,如果连接至适配器组件16的适配器64的带有连接器的光缆受到了照明并且传输光信号,那么遮板182将避免意外暴露至这些信号之下,因为这些信号可能损害眼睛或其他敏感器官或者损害附近的通信设备。如图31-33所示,分路器模块14的插入将遮板182推开。
随着模块14通过正面开口30插入,遮板182在模块14的作用下发生偏转,从而使模块14的连接器118能够与适配器组件16的适配器64配合。遮板182优选由可弹性变形的材料构成,在将模块14从安装位置38退出时,其将返回到所述位置。
例如,在图31中,将光纤分路器模块14示为在分路器模块14的连接器118接触机架12的遮板182之前部分插入到机架12内。在图32中,将光纤分路器模块14示为处于机架12内的位置上,其中,光纤分路器模块14的连接器118初始接触机架12的遮板182,从而将遮板182移开(图34中示出了侧视截面图)。在图33中,将光纤分路器模块14示为处于机架12内的完全插入的位置上,这时已经将遮板182移开了(图35中示出了侧视截面图)。
将遮板182配置为,在连接器118接触遮板182从而将其移开时,遮板182不与分路器模块14的连接器118的箍圈184啮合。相反,外侧的连接器外壳150会将遮板182推开。
可以通过紧固件将遮板182连接至机架12,或者作为替代,可以将遮板182与机架12作为一体形成,或者通过点焊或其他紧固技术安装遮板182。
随着遮板182完全偏转,模块14的进一步插入将使连接器118与适配器64接触,并使连接器118容纳于适配器64的前端68内。随着模块14的插入,闭锁件52向内偏转,之后回弹,从而使隔板48的前唇板50被俘获在凹陷136内。现在,模块14已经处于了能够通过模块内部114内的第一光缆178、光学部件158和第二光缆180处理和传输来自光缆的信号的位置。
参考图35,如上所述,闭锁件52的两个突起132和134之间的凹陷136为分路器模块14提供了在机架12内的一定量的水平浮动。如图35所示,在隔板48的前唇板50接触后突起134的方形面140之前,允许所述前唇板50移动距离D。将分路器模块14配置为,在将分路器模块14从机架12的前面32拉出时,隔板48的前唇板50在接触后突起134的方形面140之前所经过的距离D小于如上文讨论的为适配器组件16提供的水平浮动(即,距离A)。
通过这种方式,分路器模块14提供了一种保护形式,其能够避免模块的连接器118从机架12的背面28上的适配器组件16意外脱落。将模块14的凹陷136的尺寸配置为,在将适配器组件16朝向机架12的正面拉出足够远的距离,从而使其水平运动停止并使模块14的连接器118从适配器64意外脱落之前中断分路器模块14的水平浮动。
图36-45示出了被配置为与电信组件10的适配器组件16结合使用的防尘罩/测试工具190。防尘罩/测试工具190包括带有前端194和后端196的主体192。防尘罩/测试工具190包括一对从前端194突出的连接器118。如图39所示,将一对连接器118滑动插入到防尘罩/测试工具190的主体192的连接器支架193内。与在分路器模块14的外壳94中一样,连接器支架193包括用于容纳连接器118的外壳的凸缘的插槽195。防尘罩/测试工具190还包括一对从后端196突出的防尘塞198。防尘罩/测试工具190包括顶壁200和底壁202以及第一横向侧面204和第二横向侧面206。顶壁和底壁200和202分别包括滑动插入到机架12内的顶部和底部凸缘208和210,这与光纤分路器模块14类似。第一横向侧面204包括用于引导端接于防尘罩/测试工具190的连接器118的光缆的半径限制器212。在前端194处存在与主体192作为整体形成的第一夹钳214。在防尘罩/测试工具190的后端196处,存在限定于与主体192作为整体形成的半径限制器212的末端的第二夹钳216。
如图36和37所示,将防尘罩/测试工具190可滑动插入到机架12内,并且可以按照两种不同的方式对其加以利用。在图36中,将防尘罩/测试工具190示为被用作测试工具,以测试输入到适配器组件16内的光学信号。由于适配器组件16位于机架的后端28,适配器组件16的适配器64的前端68位于后端28处的机架12的内部,因而变得难以触及所述连接,以实现测试或其他目的。将防尘罩/测试工具190的前端194上的一对连接器118设计为在将防尘罩/测试工具190可滑动插入到机架12内时连接至适配器组件16的适配器64。通过这种方式,可以在不将适配器组件16从机架12上拆下,并且无需进入机架12的情况下测试适配器组件16处的连接。
如图37所示,可以使防尘罩/测试工具190翻转180°,并将其用作防尘罩,以密封适配器64的内部,避免污染物的影响。如果不将分路器模块14插入到机架12的安装位置38之一内,防尘罩/测试工具190可以起到占位器的作用,并且可以被滑动插入到机架12内。防尘塞198包括凹陷部分199,其用于容纳处于适配器64内部的半壳体的臂91的突出突起89。凹陷部分199有助于使防尘塞保持在适配器64之内。
在图38中,示出了防尘罩/测试工具190与分解出的适配器组件16结合。在图39中,防尘罩/测试工具190被示为带有安装于其上的适配器组件16,并且被示为带有从防尘罩/测试工具190中分解出来的防尘罩/测试工具190的测试连接器118之一。
图46-52示出了适于与连接至适配器组件16的适配器64的背面70的连接器118结合使用的夹紧延伸部218。将夹紧延伸部218设计为增加连接器118的外壳150的长度,从而有助于在诸如电信组件10的密集环境下触及各个连接器118。优选在使光缆端接于连接器118之前,首先将夹紧延伸部安装到光缆上。一旦使连接器118端接于光缆,就使夹紧延伸部218滑过连接器的保护罩(boot)220,并安装到连接器118的外壳150上,如图7所示。
参考图46-52,夹紧延伸部218包括伸长体222,其带有四个从伸长体222的正面部分224延伸出来的四个悬臂。两个相对的悬臂226和228包括用于与连接器118的外壳150的夹紧表面232啮合的突出翼片230。另外两个相对的悬臂234和236包括用于啮合限定于连接器外壳150上的凸缘240的狭缝238。借助四个悬臂226、228、234和236,将夹紧延伸部218卡扣配合到连接器外壳150上。夹紧延伸部主体222的背面部分242包括顶侧244、开放的底侧246和两个沿从正面224到背面242的方向呈锥形的横向侧248和250。顶侧和底侧244和246包括夹紧结构252,以有助于拉动夹紧延伸部218,以拆除连接器118。
上述说明、实例和数据提供了对本发明的制造和使用的完整说明。由于在不背离本发明的精神和范围的情况下可以实施很多本发明的实施例,因而本发明涵盖于权利要求的范围内。

Claims (17)

1.一种电信模块,包括:
包括主壳体部分的模块外壳,所述主壳体部分限定了共同限定内部的第一横向壁、前壁、后壁、顶壁和底壁;
所述主壳体部分包括至少一个从所述后壁朝向所述模块之外延伸的光纤连接器;
所述主壳体部分包括从所述模块外壳的前壁朝向所述模块之外延伸的至少一个光缆出口;
所述模块包括位于所述模块的内部的与所述主壳体部分的底壁相邻的光学部件;
所述模块包括位于所述模块的内部的用于引导在所述连接器和所述光学部件之间延伸的光缆的第一光缆管理结构;
所述模块包括位于所述模块的内部的用于引导在所述光学部件和所述光缆出口之间延伸的光缆的第二光缆管理结构;并且
所述模块外壳包括安装到所述主壳体部分上的盖部分,其用于封闭所述主壳体部分的内部。
2.根据权利要求1所述的电信模块,还包括从所述主壳体部分的顶壁和底壁延伸的安装引导凸缘,处于顶壁处的凸缘在尺寸上不同于处于底壁处的凸缘。
3.根据权利要求1所述的电信模块,其中,所述光学部件包括将单个输入信号拆分成多个相同的输出信号的光纤分路器。
4.根据权利要求1所述的电信模块,其中,所述主壳体部分的后壁包括曲面部分,其中,所述第一光缆管理结构包括与所述曲面部分相邻设置的线轴。
5.根据权利要求1所述的电信模块,还包括第三光缆管理结构,其限定了位于所述第一横向壁的内侧与所述光学部件之间的沟槽。
6.根据权利要求5所述的电信模块,其中,所述光学部件通过第三光缆管理结构从所述第一横向壁的内侧偏移。
7.根据权利要求1所述的电信模块,其中,所述模块外壳包括从所述主壳体部分的前壁延伸的柔性悬臂,其用于提供与电信设备的卡扣配合连接。
8.根据权利要求1所述的电信模块,其中,所述后壁包括插入部分,并且其中,所述连接器位于所述后壁的插入部分处。
9.根据权利要求1所述的电信模块,其中,将所述前壁设置为相对于所述主壳体部分的顶壁和底壁成一定角度。
10.根据权利要求1所述的电信模块,其中,所述主壳体部分包括位于与所述至少一个光缆出口相邻的位置的压接支架,其用于固定从所述光学部件朝向所述至少一个光缆出口延伸的光缆的压接末端。
11.一种根据权利要求10所述的电信模块,其中所述压接支架被配置为沿大致从所述盖部分延伸至所述主壳体部分的第一横向侧面的方向以叠置布局可滑动地接收光缆的压接末端。
12.根据权利要求11所述的电信模块,其中,所述压接支架限定了用于接收所述光缆的压接末端的插槽。
13.根据权利要求12所述的电信模块,其中,所述压接支架限定了九个插槽。
14.根据权利要求13所述的电信模块,其中,每一插槽容纳四个压接元件。
15.一种根据权利要求7所述的电信模块,包括:
从所述主壳体部分的前壁朝向所述模块之外延伸的所述柔性悬臂,其用于提供与电信设备的卡扣配合连接,所述模块还包括从所述主壳体部分的前壁朝向所述模块之外延伸的与所述柔性悬臂相邻的固定夹紧突起。
16.根据权利要求15所述的电信模块,其中,所述悬臂包括斜面突起,在将所述模块插入到电信设备内时,所述斜面突起使所述悬臂发生偏转。
17.根据权利要求15所述的电信模块,其中,所述悬臂大致与沿着从所述主壳体部分的前壁到所述主壳体部分的后壁的方向的所述模块的连接器成直线。
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US20170184805A1 (en) 2017-06-29
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US20070189692A1 (en) 2007-08-16
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US7606459B2 (en) 2009-10-20
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US8798428B2 (en) 2014-08-05
US20200142146A1 (en) 2020-05-07
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