CN1090761C - 可调滤光器控制装置 - Google Patents
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/007—Optical devices or arrangements for the control of light using movable or deformable optical elements the movable or deformable optical element controlling the colour, i.e. a spectral characteristic, of the light
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29389—Bandpass filtering, e.g. 1x1 device rejecting or passing certain wavelengths
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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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29379—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device
- G02B6/29395—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means characterised by the function or use of the complete device configurable, e.g. tunable or reconfigurable
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
- Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
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- Y—GENERAL 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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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18888—Reciprocating to or from oscillating
- Y10T74/1892—Lever and slide
- Y10T74/18936—Slidable connections
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- Y—GENERAL 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20396—Hand operated
- Y10T74/20474—Rotatable rod, shaft, or post
- Y10T74/20492—Gear
- Y10T74/20504—Screw and nut
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Abstract
本发明公开了一种可调滤光器控制装置包括:一基座,沿第一和第二光导纤维之间光导路径安装于基座上的可调滤光器,可旋转地安装于基座上用于支承可调滤光器的框架,安装于基座上用于提供转动力的驱动装置,减速装置,及随可移动部件的直线运动而转动框架的转动组件。此减速装置具有从驱动装置的转轴伸出的螺杆和与螺杆啮合并根据螺杆转动方向沿螺杆往复运动的带螺孔的可移动部件。
Description
本发明涉及一种可调滤光器控制装置,此装置可选择地传输入射光预定波长的光线,特别是涉及用于控制入射光线与可调滤光器表面法线所形成的夹角的控制装置。
通常,包括线路滤波器(line filter)如可调滤光器采用波分多路复用器(WDM)、掺铒光纤放大器(EDEA)或类似装置来选择光学通讯***中特定波长的光线。
参照图1,一般的可调滤光器控制装置包括:安装可调滤光器5的支座8,用于驱动可调滤光器5的直流伺服电机11,固定在直流伺服电机11的转轴11a上的编码器13,用于将伺服电机11的转速改变为合适速度的减速齿轮。通过检测直流伺服电机的转角编码器测量可调滤光器相对于入射光线的布置角。
直流伺服电机11控制可调滤光器相对于入射光线的布置角。可调滤光器有选择地传输从第一光导纤维1中发出的光线中的特定波长的光线并使所选的光线对准第二光导纤维9。
安装在直流伺服电机11和可调滤光器5之间的减速齿轮15包括:安装在直流伺服电机11的转轴上的中央齿轮17,与中央齿轮17啮合的第一、第二和第三齿轮18a、18b和18c,带有与第一、第二和第三齿轮18a、18b和18c啮合的内圆周面上的齿19a的齿圈19。装在齿圈19的盖19b的中心处的转轴19c与支座8装在一起,为驱动可调滤光器微动,就要配备许多如上所述的减速齿轮15。
当中央齿轮17随直流伺服电机11的转动而转动时,与中央齿轮17啮合的第一、第二和第三齿轮18a、18b和18c同时被转动。由于第一、第二和第三齿轮18a、18b和18c与齿圈19啮合,它们围绕中央齿轮17转动。齿圈19以与第一、第二和第三齿轮18a、18b和18c相同的转速转动。
因此,齿圈19以比直流伺服电机11低的转速转动,同时安装在齿圈19的转轴19c上的支座8以同样的低速转动,从而可调滤光器5的布置角可以微控。由于可调滤光器的布置角根据编码器的测量值可适当控制,就能有选择的传输特定波长的光线。
然而,由于此可调滤光器控制装置带有许多减速齿轮,所以此控制装置结构复杂,整个控制装置的体积也很大。
为解决上述问题,本发明的目的是提供一种可调滤光器控制装置,用于微控可调滤光器的配置角度,其结构简单、体积小。
因此,为达到上述目的,所提供的可调滤光器控制装置包括:一基座,沿第一和第二光导纤维之间的光导路径安装在基座上的可调滤光器,可旋转地安装于基座上以支承可调滤光器的托架,安装于基座上用于提供转动力的驱动装置,具有从驱动装置的转轴伸出的螺杆和形成有与螺杆啮合的螺孔以根据螺杆转动方向沿螺杆往复运动的可移动部件的减速装置,以及根据可移动部件的直线运动转动托架的转动装置。
此处转动装置包括,一端固定在托架上而另一端与可移动部件接触并随可移动部件的直线运动绕所述一端旋转的控制杆,以及将控制杆朝向可移动部件弹性偏压以使控制杆与可移动部件保持接触的弹性偏压装置。
另外,弹性偏压装置包括:一端与控制杆接触的支承部件,安装在基座上以滑动支承支承部件的支架,以及压靠控制杆的支承部件以与可移动部件保持接触的弹簧。
根据本发明的一方面,转动装置包括:从可移动部件一侧伸出并带有一连接销的连接杆,从托架一侧伸出并带有连接销滑动地安装在其中的纵向槽的连接件。
通过参考附图详细介绍其优选实施例,本发明的上述目的和优点会更明显。
图1为普通可调滤光器控制装置的分解透视图。
图2为本发明可调滤光器控制装置一实施例的透视图。
图3和图4为说明图2所示可调滤光器控制装置的操作的局部横剖视图。
图5为本发明可调滤光器控制装置另一实施例的局部横剖视图。
图6为图5所示可调滤光器控制装置工作时的局部横剖视图。
如图2和图3所示,本发明可调滤光器控制装置的一实施例包括一基座101、安装在基座101上用于提供转动力的驱动装置110。此外,测量驱动装置110转角的编码器130和以预定减速比将动力从驱动装置110最终传递到托架141的减速装置100也安装在基座上。
驱动装置110配置有一台电机,如直流伺服电机。编码器130固定于驱动装置110的轴上,以测量驱动装置110的转角。
减速装置100包括从驱动装置110的转轴伸出的螺杆(worm gear)107和与螺杆107啮合的带有螺纹孔105a的可移动部件105,可移动部件用于将驱动装置110的转动转变为直线运动。从而,随着螺杆107的转动,可移动部件105沿导向部件106前、后运动。这里,当螺杆107和螺孔105a的螺距较细小时,就能将驱动装置110的高速转动转变为可移动部件105的较低的直线运动。
同时,由托架141支承的可调滤光器5设置于安装在基座101上的第一和第二光导纤维1和9之间,托架141固定在控制杆140一端,而控制杆140的另一端随着可移动部件105的移动而移动。换句话说,随着可移动部件105的移动,控制杆140绕其所述一端枢转,从而托架141也转动。
控制杆140被一弹性偏压装置150偏压向可移动部件105以保持控制杆140与可移动部件105接触。弹性偏压装置150包括支承控制杆140的支承部件153、将支承部件153朝控制杆140方向偏压的弹簧155及设置在基座101上以滑动支承支承部件153的支架157。
控制杆140和弹性偏压装置150用于随着可移动部件105的直线运动而转动托架141。
在本实施例的操作中,随着螺杆107被驱动装置110转动,与螺杆107啮合的可移动部件105沿导向部件106向前移动,如图4所示。同时,与可移动部件105接触的控制杆140枢转以转动托架141,因此,可通过转动由托架141支承的可调滤光器来控制可调滤光器5相对于入射光线的布置角度。在此,由于驱动装置110的转动变为可移动部件105的缓慢的直线运动,因此,可调滤光器5的倾斜角度可微调。
当螺杆107被反向转动时,可移动部件105向后移动,相应地,控制杆140在弹性偏压装置150作用下沿相反方向枢转。因此,通过适当转动螺杆来控制可调滤光器5相对于入射光线的配置角度使得可调滤光器5能够可选择地传导从第一光导纤维1发出的光线中的特定波长的光线并将选定的光线导向第二光导纤维9。
本发明可调滤光器控制装置的另一实施例参照图5来说明。在此,与图1所示相同数字代表具有同一功能的类似部件。
参照图5,带有一连接销257的连接杆250从可移动部件105的一侧伸出。一连接件240从支承可调滤光器5的托架141的一侧伸出并有一纵向槽253,可移动部件105的连接销257安装在此槽中并可在其中滑动。
连接件240和连接杆250用于随着可移动部件105的直线运动转动托架141。
在本实施例的操作中,当螺杆107被驱动装置110转动时,与螺杆107啮合的可移动部件105沿导向部件106向前移动,如图6所示。同时,可移动部件105的连接杆250移动,因此,连接销257沿连接件240的纵向槽253滑动。从而托架141被转动以控制可调滤光器5相对入射光线的角度。
如上所述的本发明可调滤光器控制装置能够通过借助于一包括有螺杆和可移动部件的简单减速装置将驱动装置的高速转动减小为托架的慢速运动来对可调滤光器进行微调。因此,装置结构简单,尺寸得以减小。
Claims (2)
1.一种可调滤光器控制装置,包括一基座,沿第一和第二光导纤维之间的光路设置在基座上的一可调滤光器,一可转动地安装在基座上以支承可调滤光器的托架,一安装于基座上、用于提供转动力的驱动装置,其特征在于,可调滤光器控制装置包括:一减速装置,具有从驱动装置的转轴伸出的一螺杆以及形成有与螺杆啮合的螺孔以按照螺杆转动方向沿螺杆往复运动的可移动部件;以及根据移动部件的直线运动而转动托架的一转动装置;
转动装置包括:一控制杆,其一端固定于托架而另一端与可移动部件接触并随着可移动部件的直线运动绕所述一端枢转;以及一弹性偏压装置,朝向可移动部件弹性偏压所述控制杆以使控制杆与可移动部件保持接触;
弹性偏压装置包括:一端与控制杆接触的一支承部件,设置在基座上以滑动支承所述支承部件的支架,以及弹性靠压控制杆的支承部件以使控制杆与可移动部件保持接触的弹簧。
2.如权利要求1所述的可调滤光器控制装置,其中,还包括用于导引可移动部件的直线运动的导向部件。
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KR21337/97 | 1997-05-28 | ||
KR1019970021337A KR100213107B1 (ko) | 1997-05-28 | 1997-05-28 | 동조 필터 조절장치 |
KR26103/97 | 1997-06-20 | ||
KR1019970026103A KR100238294B1 (ko) | 1997-06-20 | 1997-06-20 | 동조 필터 조절장치 |
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JP (1) | JPH10332982A (zh) |
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KR100442616B1 (ko) * | 2002-01-18 | 2004-08-02 | 삼성전자주식회사 | 더블유디엠 시스템의 광 파장 고정장치 |
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1998
- 1998-03-25 US US09/047,383 patent/US5966987A/en not_active Expired - Fee Related
- 1998-03-30 BR BR9801209A patent/BR9801209A/pt not_active Application Discontinuation
- 1998-04-09 JP JP10097938A patent/JPH10332982A/ja active Pending
- 1998-04-22 CN CN98107311A patent/CN1090761C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH10332982A (ja) | 1998-12-18 |
CN1200490A (zh) | 1998-12-02 |
BR9801209A (pt) | 1999-06-15 |
US5966987A (en) | 1999-10-19 |
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