WO2017012135A1 - 一种通用于fttx室内、外圆形引入光缆的快速连接器 - Google Patents
一种通用于fttx室内、外圆形引入光缆的快速连接器 Download PDFInfo
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- WO2017012135A1 WO2017012135A1 PCT/CN2015/085664 CN2015085664W WO2017012135A1 WO 2017012135 A1 WO2017012135 A1 WO 2017012135A1 CN 2015085664 W CN2015085664 W CN 2015085664W WO 2017012135 A1 WO2017012135 A1 WO 2017012135A1
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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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
Definitions
- the utility model belongs to the field of optical communication technology and chemical industry, in particular to precision instrument, optical sensing, optical cable manufacturing, plastic part molding and connector processing technology, and particularly relates to a fast use for FTTX room, inner and outer circular introduction cable. Connector.
- Fiber optic field connectors are fiber optic patch cord that is directly terminated at the construction site and terminated by mechanical or thermal fusion. Fiber optic field connectors are widely used for fast termination and interconnection of fiber or fiber optic cables, with the same connectivity as standard SC, LC, and FC connectors, and are compatible with standard SC, LC, and FC connectors and sockets.
- the on-site assembly of the optical fiber movable connector is simple in operation, the cable is opened and stripped only once, the construction speed is fast, and there is no special requirement for the operating environment; the passive construction, the tool is simple, easy to carry, and is used for the common optical cable; the relative total length of the product is relatively short.
- the commonly used connectors are mainly used for indoor optical cables and leather optical cables, and there is no quick connector for outdoor optical cables or indoor and outdoor circular optical cables.
- the country's popularity of optical communication products, as well as the integration with foreign markets, and the quick connectors that match the existing optical cable types have not met the current market demand, and it is necessary to develop more specifications and more outstanding performance. Assemble the quick connector on site.
- the utility model provides a quick connector which is generally used for indoor and outdoor circular introduction optical cables of FTTX, and the connector can make the construction site not only limited to the on-site end of ordinary indoor soft optical cable, but also can realize indoor and outdoor Circular introduction of the live end of the cable to reduce the prefabrication of the pigtail
- the input of the terminal greatly reduces the maintenance cost and efficiency of the later period.
- a quick connector generally used for FTTX indoor and outdoor circular lead-in cables comprising: an optical cable fixing device, an integrated optical fiber embedded component, a pre-embedded component protection device and an outer casing, wherein the integrated optical fiber embedded component is internally pre-prepared A section of the optical fiber is immersed in the optical fiber, and the bare fiber section after the stripped optical cable is detached through the integrated optical fiber embedded component, and then connected to a section of the optical fiber embedded in the interior thereof, and the embedded component protection device is set to the integrated optical fiber pre-stage.
- the cable fixing device is sleeved outside the embedded component protection device, the outer casing is connected to the tail end of the cable fixing device, and the integrated optical fiber embedded component comprises a ceramic ferrule and a V-shaped The groove, the ceramic ferrule and the V-shaped groove are integrally formed.
- the cable fixing device comprises: a spiral tail sleeve, an outer layer holder and an inner casing, wherein the spiral tail sleeve is used for the circular introduction cable to protect and hide, and the reinforcing yarn for the circular introduction cable is introduced.
- a layer is fixed; one end of the outer layer holder is a circular hole shape for clamping a circular cable, and the other end of the outer layer holder can be inserted into a portion of the inner casing to which the inner casing is connected; a buried component protection device is sleeved inside the inner casing, an outer sleeve of the inner casing is externally connected to the outer casing, and the other end of the inner casing is provided with a thread structure matched with the spiral tail sleeve .
- the connector is adapted to indoor and outer circular lead-in cables
- the circular lead-in cable comprises, in order from the inside to the outside, a tight-fitting fiber unit, a reinforcing yarn layer and an overcoat layer, the circular-introducing cable
- the outer diameter is not less than 2.5 mm
- the thickness of the overcoat layer is 0.4 to 0.5 mm.
- the embedded component protection device comprises a fixed housing, a spring, a card holder and a dust cap
- the fixed housing is wrapped outside the integrated optical fiber embedded component
- the spring is sleeved on the
- the fixed housing and the spring are fixed to the inside of the inner casing by the retaining clip on the cylinder of the fixed casing; the dust cap is inserted into the end surface of the ceramic ferrule.
- the device further includes an introducer detachably attached to the outside of the outer casing, and the introducer can be repeatedly opened.
- the outer casing is adapted to a standard connector interface of the communication industry, and the outer casing cooperates with the guide to complete the repeated opening of the connector.
- the beneficial effects of the utility model are:
- the connector of the utility model is a quick connector suitable for indoor and outdoor circular introduction optical cables, which can not only limit the construction site to the on-site end of the ordinary indoor soft optical cable, but also realize the indoor and outdoor circular introduction of the optical cable.
- the input of the prefabricated end of the pigtail is reduced, the maintenance cost and efficiency are greatly reduced, and the quick connector for the indoor and outdoor circular lead-in cable can be directly used at the end of the field.
- the connector of the utility model has good mechanical and environmental performance, high return loss, low insertion loss, and the insertion loss of the quick connector is ⁇ 0.3 dB, and the return loss is ⁇ 40 (UPC), ⁇ 55 ( APC).
- the quick connector of the utility model has an average assembly time of less than 2 minutes, a one-time assembly success rate of not less than 98%, and can be repeatedly assembled over 8 times, and the assembled tensile strength is at least 50N.
- Figure 1 is a schematic view showing the structure of the connector of the present invention.
- Figure 2 is an exploded view of Figure 1.
- FIG. 3 is a schematic view showing the structure of the indoor and outdoor circular introduction cable of the present invention.
- FIG. 4 is a schematic structural view of the optical cable fixing device of the present invention.
- FIG. 5 is a schematic structural view of the integrated optical fiber embedded component and the embedded component protection device of the present invention.
- FIG. 6 is a schematic structural view of a pre-embedded component protection device of the present invention.
- Figure 7 is a schematic view showing the structure of the outer casing of the present invention.
- Figure 8 is a schematic view of the structure of the introducer of the present invention.
- 101-tight sleeve fiber unit 101-tight sleeve fiber unit; 102-reinforced yarn layer; 103-overlay; 1-round introduction Optical cable; 201-spiral tail sleeve; 202- outer cover holder; 203-inner casing; 204-thread structure; 2-fiber cable fixing device; 3-integrated optical fiber embedded component; 301-ceramic ferrule; -V-shaped groove; 303-pre-embedded optical fiber; 401-fixed housing; 402-spring; 403-card position clamp; 404-dust cap; 4-pre-embedded component protection device; 5--outer body; Device.
- a quick connector universally used for FTTX indoor and outdoor circular drop cables is disclosed.
- the connector is adapted to indoor and outdoor circular lead-in cable 1.
- the circular lead-in cable 1 is internally provided.
- the outer casing comprises, in order, a tight-fitting optical fiber unit 101, a reinforcing yarn layer 102 and an outer coating layer 103.
- the outer diameter of the circular introduction cable is not less than 2.5 mm, and the thickness of the outer cladding layer 103 is greater than 0.4 mm.
- the quick connector in this embodiment mainly includes: an optical cable fixing device 2, an integrated optical fiber embedded component 3, a pre-embedded component protection device 4, an outer casing 5 and an introducer 6, each of which
- the assembly method between the parts is as follows: the integrated optical fiber embedded component 3 is internally embedded with a length of optical fiber, that is, the embedded optical fiber 303 is internally provided, and after the circular introduction optical cable 1 is peeled off, the tightly-packed optical fiber unit 101 is inserted into the integration.
- the embedded component protection device 4 is sheathed on the outside of the integrated optical fiber embedded component 3 to protect the integrated optical fiber embedded component 3, and then integrated with the integrated optical fiber pre-embedded component 4
- the embedded component 3 is sleeved inside the cable fixing device 2, the outer casing 5 is connected to the tail end of the cable fixing device 2, and the guiding device 6 passes the integrated optical fiber embedded component 3 and the embedded component through the outer casing 5.
- the protection device 4 is locked and repeatedly opened.
- the cable fixing device 2 includes a spiral tail sleeve 201, an outer layer holder 202 and an inner casing 203.
- the cable fixing device 2 is a simple portable adjustable device.
- the installation tool can clamp the circular introduction cable, can firmly fix the reinforcing yarn layer 102, the tight fiber unit 101 and the outer layer 103 inside the cable, and can prevent the sway of the tight fiber unit.
- the spiral tail sleeve 201 may be a cylindrical hollow sleeve structure or a truncated cone-shaped hollow sleeve structure.
- the spiral tail sleeve 201 is internally provided with a threaded knot 204, which can be coupled with the inner casing 203 and the knob is mainly
- the reinforcing yarn layer 102 for the circular lead-in cable 1 is protected, hidden and fixed to the circular incoming cable.
- the outer layer holder 202 is a circular hole shape for clamping a circular cable, and the other end of the outer layer holder 202 can be inserted into a portion of the inner casing 203 connected thereto;
- the layer holder 202 is a protective shell connecting the outer and outer layers of the indoor and outdoor circular introduction cable 1 to the open end of the quick connector, and the inside thereof is converted into a small hole according to the structure of the indoor and outdoor circular introduction cable 1.
- the device is a circular hole and clamped;
- the inner casing 203 is a hinge connecting the pre-embedded component protection device 4 and the outer casing 5, and functions as a support for the upper and lower sides, and fixes and protects the inner core portion and the outer casing.
- the tail portion of the inner casing 203 is provided with a thread structure 204 matching the spiral tail sleeve 201, which plays a decisive role in the tensile performance of the entire quick connector.
- the integrated optical fiber embedded component 3 of the present embodiment includes a ceramic ferrule 301 and a V-shaped groove 302, and the ceramic ferrule 301 and the V-shaped groove 302 are integrally formed.
- the ferrule and the V-groove of the conventional structure are made of zirconia powder, and after being kneaded and injection-molded, the high-temperature firing is integrated into an integral structure.
- the integrated ceramic ferrule and V-groove design fully guarantees the linearity of the pre-fabricated fiber for the quick connector of the indoor and outdoor circular drop cable and the mating fiber at the end of the field.
- the pre-embedded component protection device includes a fixed housing 401, a spring 402, a card holder 403 and a dust cap 404.
- the fixed housing 401 is wrapped around the integrated optical fiber embedded component 3, which is
- the integrated integrated optical fiber embedded component 3 serves as a protective main structure, and at the same time, the embedded optical fiber and the optical fiber cable maintain one of linear indispensable components;
- the spring 402 is sleeved on the cylindrical body of the fixed casing 401
- the upper part is a retractable device which is spirally wound into a length by using 0.5 mm thick 304 stainless steel; the fixed casing 401 and the spring are fixed by the above-mentioned card holder 403
- the inner cover 203 is fixed to the inner portion of the inner casing 203;
- the dust cap 404 is inserted into the end surface of the ceramic ferrule 301 to prevent the ceramic ferrule end surface of the quick connector for the indoor and outdoor circular lead-in cable from being fabricated. Dust, anti-injur
- the outer casing 5 is adapted to a standard connector interface of the communication industry, and has a function of opening a hole.
- the outer casing 5 is coupled with the guide 6 to complete the connector repeatedly.
- the device 6 is a re-opening guide that locks and repeatedly opens the integrated optical fiber embedded component 3 and the embedded component protection device 4 through the outer casing 5.
- the quick connector of the utility model successfully realizes the connection with the outdoor circular introduction optical cable, and ensures the characteristics of low loss, high tensile strength, simple operation, convenience and quickness, and realizes stable transmission of optical signals.
- the quick connector has good mechanical and environmental performance, high return loss and low insertion loss. After testing, the quick connector has an insertion loss of ⁇ 0.3dB, and the return loss is ⁇ 40 (UPC), ⁇ 55 (APC). ).
- the utility model relates to a quick connector suitable for indoor and outdoor circular introduction optical cables, the average assembly time is less than 2 minutes, the one-time assembly success rate is not less than 98%, and the assembly can be repeated more than 8 times, and the assembly is completed.
- the tensile strength is at least 50N.
- the connector of the utility model is a quick connector suitable for indoor and outdoor circular introduction optical cables, which can make the construction site not only limited to the on-site end of the ordinary indoor soft optical cable, but also can realize the indoor and outdoor circular introduction of the optical cable.
- the maintenance cost and efficiency of the rear end are greatly reduced, and the quick connector for the indoor and outdoor circular lead-in cable can be directly used at the end of the field.
- the quick connector can be applied to the rapid end of the indoor and outdoor circular introduction cable with the thickness of the outer covering of the optical cable of more than 0.4 mm and the outer diameter of the outer diameter of 2.5 mm or more, which satisfies the repeated operation on the site, reduces the maintenance cost in the later stage of construction, and effectively improves the maintenance.
- Design and construction quality and efficiency ensure the stability and reliability of the network
- the use and transmission performance indicators all meet the technical specifications of China Telecom, China Mobile, China Unicom, China Railcom or Radio and Television for the field-to-end quick connector, satisfying the reliability and flexibility of the smart city fiber network.
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Abstract
一种通用于FTTX 室内、外圆形引入光缆（1）的快速连接器，其包括：光缆固定装置（2）、一体化光纤预埋组件（3）、预埋组件保护装置（4）和外壳体（5），一体化光纤预埋组件（3）内部预埋一段光纤，圆形引入光缆（1）剥离后的裸光纤段穿过所述一体化光纤预埋组件（3）后与预埋在其内部的一段光纤对接，预埋组件保护装置（4）套设到一体化光纤预埋组件（3）外部，光缆固定装置（2）套设在所述预埋组件保护装置（4）外部，外壳体（5）连接所述光缆固定装置（2）的尾端，一体化光纤预埋组件（3）包括陶瓷插芯（301）和V 形槽（302），陶瓷插芯（301）和V 形槽（302）一体成型。该连接器可以使得施工现场不仅限于普通室内软光缆的现场成端，可以实现室内外圆形引入光缆的现场成端，减少尾纤预制端的投入，大大降低后期维护成本与效率。
Description
本实用新型属于光通信技术和化工产业领域，尤其涉及精密仪器、光传感、光缆制成、塑料件成型以及连接器加工技术，具体涉及一种通用于FTTX室、内外圆形引入光缆的快速连接器。
随着FTTX工程不断发展，光纤光缆已经进入到每户人家的电脑桌上、墙壁上86面板盒内，因此，用于FTTX的光缆连接器必不可少。现场组装光纤活动连接器(简称光纤现场连接器)是一种在施工现场直接成端，采用机械接续或热熔接方法成端的光纤活动连接器。光纤现场连接器可广泛地运用在将光纤或光缆快速端接和互连的场合，具备与标准SC、LC和FC连接器同等的接续性能，兼容标准SC、LC和FC连接器和插座。
现场组装光纤活动连接器操作简单，光缆开剥只需一次，施工速度快，对操作环境无特殊要求；无源施工，工具简单，易携带，用于常用光缆；产品相对总长度比较短。
现在通信市场中，常用的连接器主要用于室内光缆及皮线光缆，而并没有专门针对室外光缆或室内外圆形光缆的快速连接器。随着光通信市场的做大，国家对光通信产品的普及，以及与国外市场接轨，与现有光缆类型匹配的快速连接器已经不满足现在市场需求，需要开发更多规格、性能更突出的现场组装快速连接器。
实用新型内容
为解决上述技术问题，本实用新型提供了一种通用于FTTX室内、外圆形引入光缆的快速连接器，该连接器可以使得施工现场不仅限于普通室内软光缆的现场成端，可以实现室内外圆形引入光缆的现场成端，减少尾纤预制
端的投入，大大降低后期维护成本与效率。
为达到上述目的，本实用新型的技术方案如下：
一种通用于FTTX室内、外圆形引入光缆的快速连接器，其包括：光缆固定装置、一体化光纤预埋组件、预埋组件保护装置和外壳体，所述一体化光纤预埋组件内部预埋一段光纤，圆形引入光缆剥离后的裸光纤段穿过所述一体化光纤预埋组件后与预埋在其内部的一段光纤对接，所述预埋组件保护装置套设到一体化光纤预埋组件外部，所述光缆固定装置套设在所述预埋组件保护装置外部，所述外壳体连接所述光缆固定装置的尾端，所述一体化光纤预埋组件包括陶瓷插芯和V形槽，所述陶瓷插芯和V形槽一体成型。
优选的，所述光缆固定装置包括：螺旋尾套、外敷层夹持器和内壳体，所述螺旋尾套用于圆形引入光缆开剥处保护、隐藏且对圆形引入光缆的增强纱线层固定；所述外敷层夹持器的一端为将圆形引入光缆夹紧的圆孔形，所述外敷层夹持器的另一端能够插入所述内壳体与其连接的部分；所述预埋组件保护装置套设在所述内壳体的内部，所述内壳体的一端外部套连接所述外壳体，所述内壳体的另一端设有与所述螺旋尾套匹配的螺纹结构。
优选的，所述连接器适应于室内、外圆形引入光缆，所述圆形引入光缆由内到外依次包括：紧套光纤单元、增强纱线层和外敷层，所述圆形引入光缆的外径不小于2.5mm，所述外敷层的厚度为0.4-0.5mm。
优选的，所述预埋组件保护装置包括固定壳体、弹簧、卡位夹和防尘帽，所述固定壳体包裹在所述一体化光纤预埋组件外部，所述弹簧套设在所述固定壳体的圆柱体上，通过所述卡位夹将所述固定壳体和弹簧固定于所述内壳体的内部；所述防尘帽插入到所述陶瓷插芯的端面。
优选的，还包括导引器，所述导引器可拆卸的卡设在所述外壳体外部，所述导引器能够重复开启。
优选的，所述外壳体适应于通信行业标准连接器接口，所述外壳体与所述导引器配合完成连接器重复开启。本实用新型的有益效果是：
其一、本实用新型的连接器是一种适用于室内外圆形引入光缆的快速连接器，可以使得施工现场不仅限制于普通室内软光缆的现场成端，可以实现室内外圆形引入光缆的现场成端，减少尾纤预制端的投入，大大降低后期维护成本与效率，直接采用适用于室内外圆形引入光缆的快速连接器现场成端即可。
其二、本实用新型的连接器具有较好的机械和环境性能、高回波损耗、低插入损耗，该快速连接器的插入损耗≤0.3dB，回波损耗≥40(UPC)、≥55(APC)。
其三、本实用新型的快速连接器，平均组装时间在2分钟以内，一次性组装成功率不低于98％，可重复组装在8次以上，组装完成的抗拉能力至少达到50N。
为了更清楚地说明本实用新型实施例技术中的技术方案，下面将对实施例技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本实用新型的连接器的结构示意图。
图2为图1的爆炸图。
图3是本实用新型的室内外圆形引入光缆结构示意图。
图4是本实用新型的光缆固定装置结构示意图。
图5是本实用新型的一体化光纤预埋组件和预埋组件保护装置的结构示意图。
图6是本实用新型的预埋组件保护装置结构示意图。
图7是本实用新型的外壳体结构示意图。
图8是本实用新型的导引器结构示意图。
其中，101-紧套光纤单元；102-增强纱线层；103-外覆层；1-圆形引入
光缆；201-螺旋尾套；202-外覆层夹持器；203-内壳体；204-螺纹结构；2-光缆固定装置；3-一体化光纤预埋组件；301-陶瓷插芯；302-V形槽；303-预埋光纤；401-固定壳体；402-弹簧；403-卡位夹；404-防尘帽；4-预埋组件保护装置；5-外壳体；6-导引器。
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
实施例
本实施例中公开了一种通用于FTTX室内、外圆形引入光缆的快速连接器，该连接器适应于室内外圆形引入光缆1，如图3所示，上述圆形引入光缆1由内到外依次包括：紧套光纤单元101、增强纱线层102和外敷层103，上述圆形引入光缆的外径不小于2.5mm，上述外敷层103的厚度大于0.4mm。
如图1-2所示，本实施例中的快速连接器主要包括：光缆固定装置2、一体化光纤预埋组件3、预埋组件保护装置4、外壳体5和导引器6，它们各部分之间的组装方式为：一体化光纤预埋组件3内部预埋一段光纤，即内部设有预埋光纤303，将圆形引入光缆1剥离之后，其中紧套光纤单元101插设到一体化光纤预埋组件3中，预埋组件保护装置4套设在一体化光纤预埋组件3外部对一体化光纤预埋组件3起到保护作用，然后连同预埋组件保护装置4的一体化光纤预埋组件3套设在光缆固定装置2的内部，上述外壳体5连接上述光缆固定装置2的尾端，上述导引器6通过上述外壳体5将上述一体化光纤预埋组件3与预埋组件保护装置4锁紧和重复开启。
具体的，如图4所示，上述光缆固定装置2包括：螺旋尾套201、外敷层夹持器202和内壳体203，上述光缆固定装置2是一个简单的便携可调节
式的安装工具，其能够卡紧圆形引入光缆，能够将光缆内部的增强纱线层102、紧套光纤单元101和外敷层103牢牢固定，并且能够防止紧套光纤单元的窜动。
上述螺旋尾套201可以是圆柱形空心的套结构，也可以是圆台形空心的套结构，螺旋尾套201内部设有螺纹结，204，其可以与内壳体203配合旋钮在一起，其主要用于圆形引入光缆1开剥处保护、隐藏且对圆形引入光缆的增强纱线层102固定。上述外敷层夹持器202的一端为将圆形引入光缆夹紧的圆孔形，上述外敷层夹持器202的另一端能够插入上述内壳体203与其连接的部分；实际上，上述外覆层夹持器202是一个连接室内外圆形引入光缆1外覆层开剥处与快速连接器成头端的保护壳，它的内部根据室内外圆形引入光缆1的结构由大圆孔转换成小圆孔并夹紧的装置；上述内壳体203是连接上述预埋组件保护装置4和外壳体5的枢纽，起到承上启下的作用，既固定且保护了内部核心部分又与外壳体紧密连接，并且，上述内壳体203的尾部设有与上述螺旋尾套201匹配的螺纹结构204，对整个快速连接器抗拉力性能起到决定性的作用。
如图5所示，本实施例中的上述一体化光纤预埋组件3包括陶瓷插芯301和V形槽302，并且上述陶瓷插芯301和V形槽302一体成型。是将传统结构的插芯和V形槽利用氧化锆粉粒，经过混炼、注射成型后高温烧制成一体结构。一体化陶瓷插芯和V形槽的设计，充分保证了适用于室内外圆形引入光缆的快速连接器的预制光纤与现场成端时对接光纤的线性特性。
如图6所示，上述预埋组件保护装置包括固定壳体401、弹簧402、卡位夹403和防尘帽404，上述固定壳体401包裹在上述一体化光纤预埋组件3外部，是对一体化的一体化光纤预埋组件3起到保护作用的主体结构，同时时预埋光纤及光缆光纤保持线性不可或缺的元件之一；上述弹簧402套设在上述固定壳体401的圆柱体上，是采用0.5mm粗的304不锈钢以螺旋状盘绕成一定长度的可伸缩装置；通过上述卡位夹403将上述固定壳体401和弹簧
402固定于上述内壳体203的内部；上述防尘帽404插入到上述陶瓷插芯301的端面，是对制作完成的适用于室内外圆形引入光缆的快速连接器的陶瓷插芯端面进行防尘、防损伤作用的装置。
如图7和8所示，上述外壳体5适应于通信行业标准连接器接口，并且其具备开孔的功能，上述外壳体5与上述导引器配6合完成连接器重复开启，上述导引器6是一种重复开启的导引器，其通过上述外壳体5将上述一体化光纤预埋组件3与预埋组件保护装置4锁紧和重复开启。
本实用新型快速连接器成功实现与室外型圆形引入光缆的连接，保障了其低损耗、高抗拉强度及操作简单、方便快捷等特点，并实现光信号稳定传输。
以下通过相关测试参数表来进一步说明本实用新型提供的适用于室内外圆形引入光缆的快速连接器各方面特性：
1、该快速连接器具有较好的机械和环境性能、高回波损耗、低插入损耗，经过测试该快速连接器的插入损耗≤0.3dB，回波损耗≥40(UPC)、≥55(APC)。
2、本实用新型的一种适用于室内外圆形引入光缆的快速连接器，平均组装时间在2分钟以内，一次性组装成功率不低于98％，可重复组装在8次以上，组装完成的抗拉能力至少达到50N。
3、本实用新型的连接器是一种适用于室内外圆形引入光缆的快速连接器，可以使得施工现场不仅限制于普通室内软光缆的现场成端，可以实现室内外圆形引入光缆的现场成端，减少尾纤预制端的投入，大大降低后期维护成本与效率，直接采用适用于室内外圆形引入光缆的快速连接器现场成端即可。
该快速连接器能够适用于光缆外覆层厚度大于0.4mm、外径大于等于2.5mm的室内外圆形引入光缆的快速成端，满足现场重复操作，减少了施工后期的维护成本，切实提高了设计施工质量效率，确保了网络的稳定可靠的
使用，传输性能指标，全部满足中国电信、中国移动、中国联通、中国铁通或广电对于现场成端快速连接器的技术规范，满足于智慧城市光纤网络的可靠性和灵活性。
对所公开的实施例的上述说明，使本领域专业技术人员能够实现或使用本实用新型。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的，本文中所定义的一般原理可以在不脱离本实用新型的精神或范围的情况下，在其它实施例中实现。因此，本实用新型将不会被限制于本文所示的这些实施例，而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (6)
- 一种通用于FTTX室内、外圆形引入光缆的快速连接器，其包括：光缆固定装置、一体化光纤预埋组件、预埋组件保护装置和外壳体，所述一体化光纤预埋组件内部预埋一段光纤，圆形引入光缆剥离后的裸光纤段穿过所述一体化光纤预埋组件后与预埋在其内部的一段光纤对接，所述预埋组件保护装置套设到一体化光纤预埋组件外部，所述光缆固定装置套设在所述预埋组件保护装置外部，所述外壳体连接所述光缆固定装置的尾端，其特征在于，所述一体化光纤预埋组件包括陶瓷插芯和V形槽，所述陶瓷插芯和V形槽一体成型。
- 根据权利要求1所述的一种通用于FTTX室内、外圆形引入光缆的快速连接器，其特征在于，所述光缆固定装置包括：螺旋尾套、外敷层夹持器和内壳体，所述螺旋尾套用于圆形引入光缆开剥处保护、隐藏且对圆形引入光缆的增强纱线层固定；所述外敷层夹持器的一端为将圆形引入光缆夹紧的圆孔形，所述外敷层夹持器的另一端能够插入所述内壳体与其连接的部分；所述预埋组件保护装置套设在所述内壳体的内部，所述内壳体的一端外部套连接所述外壳体，所述内壳体的另一端设有与所述螺旋尾套匹配的螺纹结构。
- 根据权利要求1所述的一种通用于FTTX室内、外圆形引入光缆的快速连接器，其特征在于，所述连接器适应于室内、外圆形引入光缆，所述圆形引入光缆由内到外依次包括：紧套光纤单元、增强纱线层和外敷层，所述圆形引入光缆的外径不小于2.5mm，所述外敷层的厚度为0.40.5mm。
- 根据权利要求1所述的一种通用于FTTX室内、外圆形引入光缆的快速连接器，其特征在于，所述预埋组件保护装置包括固定壳体、弹簧、卡位夹和防尘帽，所述固定壳体包裹在所述一体化光纤预埋组件外部，所述弹簧套设在所述固定壳体的圆柱体上，通过所述卡位夹将所述固定壳体和弹簧固 定于所述内壳体的内部；所述防尘帽插入到所述陶瓷插芯的端面。
- 根据权利要求1所述的一种通用于FTTX室内、外圆形引入光缆的快速连接器，其特征在于，还包括导引器，所述导引器可拆卸的卡设在所述外壳体外部，所述导引器能够重复开启。
- 根据权利要求5所述的一种通用于FTTX室内、外圆形引入光缆的快速连接器，其特征在于，所述外壳体适应于通信行业标准连接器接口，所述外壳体与所述导引器配合完成连接器重复开启。
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