CN1076830C - 光纤配线装置 - Google Patents
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 68
- 230000003287 optical effect Effects 0.000 claims abstract description 10
- 239000000835 fiber Substances 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 12
- 238000007665 sagging Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4455—Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4452—Distribution frames
- G02B6/44524—Distribution frames with frame parts or auxiliary devices mounted on the frame and collectively not covering a whole width of the frame or rack
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/44528—Patch-cords; Connector arrangements in the system or in the box
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
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- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
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Abstract
公开的是具有滑出盘架的光纤配线装置(10),它包括光连接器(32)和安装在其上的铰接盘架(30)。每个盘架都有一个铰接的保护盖子(43)和一个前面部分(21),它向下垂落用以接近连接器。铰接盘架安装在平台(24)上,从而进入盘架的光纤(26)可以存放在所形成的间隙内。
Description
本发明涉及使用在光纤配线架中的光纤盘架。
在电信系统中,作为光纤馈线(干线)和配线(传输)电缆间的接口,光线配线架是一个重要部件。典型地,馈线光缆从盘架的后部或侧部馈给每个盘架,以束式光纤的形式被保护管覆盖着。每个光纤在盘架上被绞接在光纤引出端,并且引出端的另一端上有一个光连接器被安装在盘架前面附近的一个面板上(参见美国专利第5,071,211号和4,898,448号)。在盘架的前方,通过连接器,跨线电缆与引出端光纤光学连接在一起,用以与其它仪器光学连接。
在这种盘架中,尽量提供高密度的光纤和连接器,并且还允许容易接近连接器和绞接盘架,便于维护。为了接近的目的,光纤盘架在一个搁板内可以滑动,并且包括一个用以接近连接器的“下落”(drop-down)部分(参见美国专利第5,129,030号和第5,071,211号)。
可移动式盘架的使用产生一些问题,特别是在高密度应用中,如何以及在装置中哪里可存放多余的光纤的问题。另一关心的问题是如何保护连接器和引出端,并且还使它们容易接近。
在光制导交叉连接应用(典型地使用在总局)中,从后部,馈线光缆馈给盘架。然而,在互连应用中,比如使用在有线电视中,馈线电缆常在盘架的前部。因此希望提供一个盘架,使得它既能从前部,又能从后部接收电缆。
按照一个方面,本发明是一个光纤配线盘架,它安装在一个配线支架的一个搁板内,能够滑动。每个盘架包括一前面部分和后面部分。后面部分包括多个光学连接器,前面部分包括连接到所述连接器的分配光纤的装置,还包括一基底部分,一个与它相垂直的前表面。通过铰链装置,基底安装在盘架的后面部分。通过铰链装置,盖子被安装在配线装置的前面部分,它基本上与基底相平行,从而保护光纤和连接器。
依照另一方面,本发明是一个光纤配线支架,它安装在光纤配线支架的搁板内,可以滑动。每个盘架包括一个前面部分和一个后面部分。后面部分包括一个基底和安装在基底上的一个平台。在平台和基底之间有一个间隔,用以形成隔间,它有足够的大小容许光纤进入盘架存放在其内,并且容许当盘架滑出它的搁板时,光纤也能滑到隔间之外。
本发明的这些和其它特征在下面将被详细描述,在图中:
图1是按照本发明一个实施方式光纤配线支架的透视图;
图2是按照本发明一个实施方式,盘架和搁板的透视图,它们是图1支架的一部分;以及
图3和图4是图2中沿线3-3盘架的截面图。
为了说明目的,这些图形没有必要按一定尺寸绘制,这是可以的。
使用本发明的一个实施方式,图1说明了一个光纤配线支架10。架支包括多个搁板,比如11和14,它们被安排在两组。每个搁板包括多个盘架(将被描述),其中干线电缆12和传输电缆13的光纤通过跨线光纤15相连,完成电缆间的跨接。典型地,在支架后部,干线电缆12和传输电缆13被引入支架,通过一个开孔,电缆的光纤进入到每个盘架,该孔既可以定位在支架的前面,也可在支架的后面。
为了说明目的,所示的一组跨接线15,经过开孔16、17,从搁板11的盘架连接到搁板14的盘架上。当然,在合适的搁板间,干线电缆的任何光纤却可通过跨接线,与传输电缆的任何光纤相连。
说明的特定配线支架被设计装配在总局的一个支架上,用以光制导交叉连接应用。本发明也可以应用到互连应用中,在这里,电缆和跨接线光纤放在搁板的前部。
图2的透视图和图3、4的截面图表示了滑出型盘架的一个例子。盘架20包括前面部分21和后面部分22。后面部分22包括一个基底部分23,它可以滑进搁板(如51)的槽内。一个升起的平台24固定在基底23上,从而形成一个隔间25,它之间足够的高度可以提供空间用以存放馈线电缆(图1中的12),该电缆通过搁板的开孔50放进搁板51内。通常,进入搁板的光纤是用一个管子保护的。图2和图3中只显示了一个这样的光纤26,用以说明。典型地,隔间25的高度在0.5-0.65cm之间。
平台24在其顶部包括一对绕线架27和28,它们用以存放多余的光纤。在该倒中,当光纤的前端离开隔间时,绕线架27接收来自于隔间25的光纤26。固定在绕线架之间的是一个标准铰接盘架30,它用以把光纤26与存放在绕线架28之间的引出端光纤31相连。再一次,可以把几个进入的光纤与几个相应的引出端光纤相连。为了清楚起见,并没画出这些附加的光纤。术语“引出端光纤”暗示:光纤31的相反端在光连接器32中断。该光连接器可以是一个标准类型的,如ST连接器。
隔板33固定在基底23的前部附近。隔板包括多个缝隙,其间用以放置相应的套垫(图中只示出了一个套垫34),用以提供引出端连接器和相应的连接到跨线光纤的连接器的光连接。再一次,只显示了一个跨线光纤36和一个连接器35与引出端光纤31光学相连接。
盘架的前面部分21还包括一个基底部分37。连接到37那里或与37相结合的是前表面38,它与基底37垂直。基底部分的每边都是打开的,以允许来自于盘架的跨线光纤(如36)引出。在隔板33的临近基底部分37上提供了一串支撑杆。支撑杆的每个空中穿过多个跨线光纤,从而防止了光纤的变形。
通过绞链装置40-42,与前表面38机械相连的是一个盖子43。图2中显示了打开位置,图3中显示关闭位置。
通过绞链装置44-47,前面部分21的基底37与后面部分22的基底23机械相连。如图4所示,前、后部分的铰链连接,允许前面部分21可以下垂,从而可以容易地接近隔板33中的连接器。
当盘架24在其搁板之内时,盖子43关闭(图3所示),用以保护跨线光纤36、连接器32和35以及支撑杆34免遭损坏。仍然如图3所示,引入光纤(如26)将在基底部分23和平台24之间形成的隔间中缠绕。典型地,可以存放61cm的光纤。通常,在隔间内的每个光纤的长度为50-70cm。当盘架以搁板中拉出时,存放的光纤26将自动地滑出隔间25,放在搁板的平板53上。这样,可以最小地影响光纤,拉出盘架。当盘架拉出足够时,盖子43可以置于打开位置,并且前面部分21置于向下,用以接近连接器(如35)。这种情况下,引出端盘架30可以存放在搁板的范围内。如果希望接近引出端盘架30,盘架20可以拉出到它的最外端位置(图2)。
还应注意,通过连接到隔板33的插销(如48),前面部分21可以保持在水平位置。即使盘架被拉出最大位置,这也允许前面部分21保持水平,所以当在后面部分一个技术人员接近引出端盘架时,盖子43将保护连接器。当希望将盘架滑回搁板时,未缠绕的光纤(26)将自动地滑回,并在隔间25内缠绕自己。这种操作是由盘架的边52协助完成的,该盘架边轻轻地下向弯曲用以把光纤26“铲”回隔间。
另一个希望的特征是使用铰链44-47,通过在水平位置上向上旋转前面部分,这些铰链可以容易地从后面部分22的基底23上移去。前面部分的移去可以容许后面部分从搁板的前面或后面滑出,从而在已从搁板上移出一些工作面上,技术人员可以工作在引出端和连接器上。
本发明的各种修正对于本领域的熟练技术人员来说是很清楚的。基于这种技术所有这些改变被认为属于本发明的范围。
Claims (13)
1.安装在配线支架(10)的一个搁板(51)内的可以滑动的光纤配线盘架(20)包括:
一个后面部分(22),它包括多个光连接器(32);
一个连接到该后面部分(22)的前面部分(21),包括连接到所述连接器,用以分配光纤的装置,它包括一个基底部分(37)和一个必须与基底垂直的前表面(38),通过铰链(44-47),基底部分安装在盘架的后面部分;
其特征在于:
通过铰链(40-42),盖子(43)被安装在配线装置的前表面,使得它与关闭位置上的基底部分相平行,从而保护了光纤和连接器。
2.根据权利要求1的盘架,其中当盘架部分从搁板滑出时,前面部分可以相对于后面部分下垂一个角度,并且盖子被旋转,从而可以接近连接器。
3.根据权利要求1的盘架,其中前面部分被插挂在后面部分上,从而当盘架滑出搁板时,可允许前面部分和后面部分位于同一平面上。
4.根据权利要求1的盘架,其中前面部分是可移去地安装在后面部分上。
5.根据权利要求1的盘架,其特征在于进一步包括安装在基底部分的多个支撑杆(39),用以避免光纤变形。
6.根据权利要求1的盘架,其中后面部分包括第二基底部分(23)和安装在它之上的有一定距离的平台(24),从而形成一个具有足够空间的隔间,用以让来自于搁板的光纤进入盘架被存在其中。
7.根据权利要求6的盘架,其中绞接盘架(30)被安装在平台(24)的顶部,用以把所述进入的光纤连接到引出端光纤(31),该引出端光纤也安装在平台上。
8.安装在光纤配线支架的搁板内的可以滑动的光纤配线盘架(20),其特征在于:
后面部分(22)包括一个基底部分(23)和安装在基底上,与其有一定距离用以形成隔间(25)的平台(24),该隔间(25)具有足够的空间允许光纤(26)进入盘架存放在其内,并且当该盘架从搁板滑出时,光纤也可以滑出该隔间;以及
通过铰链(40-42),盖子(43)被安装到隔间,在关闭位置,盖子(43)与基底部分平行,从而保护光纤和连接器。
9.根据权利要求8的盘架,还包括一个安装在平台顶部的绞接盘架(30),所述铰接盘架用以把进入的光纤铰接到安装在顶部的光纤引出端(31)。
10.根据权利要求8的盘架,其中存放在隔间内的每个光纤长度在50-70cm之间。
11.根据权利要求8的装置,其中间隙在0.5-0.65cm之间。
12.根据权利要求9的盘架,还包括在所述顶部形成的绕线架(27,28),用以存放多余的所述进入光纤和所述引出端光纤。
13.根据权利要求8的盘架,其中基底部分包括一个向下的延伸边部分(52),当盘架滑入搁板时,用以“铲”回光纤。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16345793A | 1993-12-08 | 1993-12-08 | |
US163,457 | 1993-12-08 | ||
US08/311,204 US5490229A (en) | 1993-12-08 | 1994-09-27 | Slidably mounted optical fiber distribution tray |
US311,204 | 1994-09-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1122455A CN1122455A (zh) | 1996-05-15 |
CN1076830C true CN1076830C (zh) | 2001-12-26 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN94119871A Expired - Fee Related CN1076830C (zh) | 1993-12-08 | 1994-12-07 | 光纤配线装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5490229A (zh) |
EP (1) | EP0657757B1 (zh) |
JP (1) | JPH07198960A (zh) |
KR (1) | KR100315570B1 (zh) |
CN (1) | CN1076830C (zh) |
DE (1) | DE69433613T2 (zh) |
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-
1994
- 1994-09-27 US US08/311,204 patent/US5490229A/en not_active Expired - Fee Related
- 1994-12-05 DE DE69433613T patent/DE69433613T2/de not_active Expired - Fee Related
- 1994-12-05 EP EP94309010A patent/EP0657757B1/en not_active Expired - Lifetime
- 1994-12-07 CN CN94119871A patent/CN1076830C/zh not_active Expired - Fee Related
- 1994-12-07 KR KR1019940033034A patent/KR100315570B1/ko not_active IP Right Cessation
- 1994-12-08 JP JP6304493A patent/JPH07198960A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
CN1122455A (zh) | 1996-05-15 |
KR950019783A (ko) | 1995-07-24 |
KR100315570B1 (ko) | 2002-04-06 |
EP0657757A3 (en) | 1996-03-06 |
EP0657757B1 (en) | 2004-03-17 |
EP0657757A2 (en) | 1995-06-14 |
DE69433613D1 (de) | 2004-04-22 |
JPH07198960A (ja) | 1995-08-01 |
US5490229A (en) | 1996-02-06 |
DE69433613T2 (de) | 2005-04-07 |
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