CN104932061A - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN104932061A CN104932061A CN201510354546.1A CN201510354546A CN104932061A CN 104932061 A CN104932061 A CN 104932061A CN 201510354546 A CN201510354546 A CN 201510354546A CN 104932061 A CN104932061 A CN 104932061A
- Authority
- CN
- China
- Prior art keywords
- optical fiber
- joints
- interface
- fiber
- fiber optic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3826—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres characterised by form or shape
- G02B6/383—Hermaphroditic connectors, i.e. two identical plugs mating with one another, each plug having both male and female diametrically opposed engaging parts
Abstract
The invention discloses an optical fiber connector. A specific embodiment of the optical fiber connector comprises a shell body, a connecting assembly and internal optical fibers, wherein more than two optical fiber adapters of different types are arranged on two opposite surfaces of the shell body respectively; the connecting assembly and the internal optical fibers are arranged inside the shell body; and the connecting assembly is used for connecting the internal optical fibers to the different optical fiber adapters. The embodiment of the optical fiber connector realizes conversion among various types of optical fiber interfaces by changing connection relations between the internal optical fibers and the optical fiber interfaces.
Description
Technical field
The application relates to communication technical field, is specifically related to technical field of optical fiber communication, particularly relates to a kind of joints of optical fibre.
Background technology
In the daily servicing of optical fiber telecommunications system, particularly in large-scale data center, the scene that fiber interconnect uses gets more and more, and the kind of equipment also gets more and more.But optical fiber interface is not yet completely unified as one, such as, the common interface having LC, FC, SC.Therefore, in various test and maintenance process, when needing dissimilar optical fiber interface mutually to dock, optic fiber converter will be used and dock.
The conversion of current existing single optical fiber interface converter to various interface is single, such as, and LC-FC converter, LC-SC converter etc.A kind of converter is only to realize the conversion of the optical fiber interface of a type.When relating to multiple optical fiber interface type in a daily servicing, just need to carry multiple optic fiber converter, to adapt to the interconnected of dissimilar optical fiber interface.Or, sometimes to on-the-spot, staff just finds that the optic fiber converter type of oneself band is not mated with on-the-spot optical fiber interface type, he needs to return unit and again gets optic fiber converter, makes whole maintenance work consuming time long, have impact on the work efficiency of staff.
Therefore, in order to meet the conversion needs between dissimilar optical fiber interface, improving optical fiber telecommunications system daily servicing efficiency, needing a kind of joints of optical fibre that can connect polytype optical fiber interface.
Summary of the invention
In view of above-mentioned defect of the prior art or deficiency, expect to provide a kind of joints of optical fibre that can connect polytype optical fiber interface.In order to realize above-mentioned one or more object, this application provides a kind of joints of optical fibre.
The joints of optical fibre that the application provides, comprising: housing; Two surfaces that described housing is relative are respectively arranged with the dissimilar fiber optic adapter of two or more; Be arranged on coupling assembling and the internal optical fiber of described enclosure interior, described coupling assembling is used for described internal optical fiber to be connected to different fiber optic adapters.
The joints of optical fibre that the application provides, two surfaces that housing is relative are respectively arranged with the dissimilar fiber optic adapter of two or more, and by the coupling assembling and internal optical fiber being arranged at enclosure interior, the annexation between optical fiber interface can be changed, achieve the conversion between polytype optical fiber interface.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, the other features, objects and advantages of the application will become more obvious:
Fig. 1 shows the structural representation of an embodiment of the joints of optical fibre provided according to the application;
Fig. 2 shows a kind of structural representation realized of the joints of optical fibre provided according to the application's embodiment; And
Fig. 3 shows the structural representation of another embodiment of the joints of optical fibre provided according to the application.
Embodiment
Below in conjunction with drawings and Examples, the application is described in further detail.Be understandable that, specific embodiment described herein is only for explaining related invention, but not the restriction to this invention.It also should be noted that, for convenience of description, in accompanying drawing, illustrate only the part relevant to Invention.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the application in detail in conjunction with the embodiments.
Optical fiber interface can comprise a lot of type, such as, can comprise: all kinds such as FC, SC, LC, D4, DIN, MU.FC type joints of optical fibre external reinforcing mode is for adopting metallic sheath, and fastening means is thread.SC type joints of optical fibre shell is rectangular, adopts the structure of contact pin and coupler sleeve, end face many employings PC of its contact pin or APC type lapping mode.Fastening means adopts insert-pull pin bar-type, does not need to rotate.This type of connector plugging is easy to operate, and insertion loss fluctuation is little, and compressive strength is higher, and packing density is high.The LC type joints of optical fibre adopt easy to operate modular jack breech lock mechanism to make.The size of its contact pin adopted and sleeve is the half of common SC, FC size used, is 1.25mm, can improves the density of the joints of optical fibre in fibre distribution frame like this.The contact pin that the D4 type joints of optical fibre adopt is identical with FC type with the physical dimension of coupler sleeve, and end face processing adopts PC polishing mode.Compared with FC connector, the structure of the D4 type joints of optical fibre is more complex, has the spring of controlled pressure in its inner metal structures, can avoid because grafting pressure is excessive and damage end face.In addition, the mechanical precision of this connector is higher, and thus insertion loss value is less.The MU type joints of optical fibre are the minimum single fiber-optic connectors developed based on SC connector.The MU type joints of optical fibre adopt sleeve pipe and the self-retaining mechanism of 1.25mm diameter, it is advantageous that and can realize high-density installation.
In the daily servicing of optical fiber communication, when needs are interconnected by optical fiber interface, because the optical fiber interface type at scene may be uncertain, therefore, need to carry the multiple joints of optical fibre, thus realize the fiber interconnect intercommunication of different interface type.
The joints of optical fibre that the present embodiment provides, by in one apparatus integrated for dissimilar optical fiber interface, and the inside tail optical fiber of connecting fiber interface can move, thus can change the interconnecting relation between optical fiber interface, what achieve between multiple optical fiber interface is interconnected.
Please refer to Fig. 1, the structural representation of an embodiment of the joints of optical fibre provided according to the application is provided.
As shown in Figure 1, the joints of optical fibre that the present embodiment provides can comprise: housing 101, be arranged at the multiple fiber optic adapter on two relative surfaces of housing and be arranged at coupling assembling 110 and the internal optical fiber 111 of enclosure interior.Internal optical fiber 111 can be connected to different fiber optic adapters by coupling assembling 110.
In the present embodiment, two surfaces that housing is relative can arrange the dissimilar fiber optic adapter of two or more respectively.Each fiber optic adapter all can comprise two optical fiber interfaces, is arranged at the inside and outside both sides of surface of shell respectively.Be appreciated that the conversion in order to realize between multiple optical fiber interface, the optical fiber interface of arbitrary surface outside it for housing is dissimilar; For the optical fiber interface of the arbitrary inner side surface of housing, can be same type, to realize being connected with internal optical fiber 111.Wherein, for two surfaces of housing, the optical fiber interface type inside it can be identical, also can be different.As shown in Figure 2, for two surface of shell, the optical fiber interface of one of them inner side surface is SC type, as optic fiber converter 202,203,204,205; The optical fiber interface of another inner side surface is LC type, as fiber optic adapter 206,207,208,209.
The fiber optic adapter quantity be arranged on two surfaces can be identical, also can be different.In one implementation, one of them can arrange 4 fiber optic adapters 102,103,104,105 on the surface at housing, another also arranges 4 fiber optic adapters 106,107,108,109 on the surface.Wherein, fiber optic adapter 102,103,104,105 can be dissimilar fiber optic adapter; Fiber optic adapter 106,107,108,109 also can be dissimilar fiber optic adapter.For the fiber optic adapter be arranged on different surfaces, such as, breakout box 102 and 106, its type can be identical, also can be different.
In the present embodiment, internal optical fiber 111 can be connected to different fiber optic adapters by the coupling assembling 110 of enclosure interior.Such as, as shown in fig. 1, by coupling assembling 110 and internal optical fiber 111, fiber optic adapter 103 and 109 can be coupled together, thus interface type can be realized to carry out interconnected with fiber optic adapter 103,109 identical equipment respectively.Be appreciated that, also the connection between other fiber optic adapter can be realized by coupling assembling, such as, arbitrary fiber optic adapter on one of them surface can be connected with arbitrary fiber optic adapter on another surface, thus it is interconnected to realize between polytype optical fiber interface.
In an optional implementation of the present embodiment, internal optical fiber 111 can be single-mode fiber or multimode optical fiber.Single-mode fiber is the optical fiber that can only transmit a kind of pattern.Its center glass core is very thin, can be used in long distance, high-capacity optical fiber communication system, in optical fiber locaI area network or various Fibre Optical Sensor.Multimode optical fiber is the optical fiber that can transmit various modes in given operation wavelength.Due to the pattern nearly hundreds of transmitted in multimode optical fiber, the propagation constant of each pattern is different with group rate, makes bandwidth of an optical fiber narrow, and dispersion is large, and loss is also comparatively large, is only applicable to the optical fiber telecommunications system of short-distance and medium-distance and low capacity.In order to adapt to the use of different system, in the joints of optical fibre that the present embodiment provides, internal optical fiber 111 can be single-mode fiber or multimode optical fiber.When internal optical fiber 111 adopts single-mode fiber, such as single mode PC/UPC tail optical fiber, the joints of optical fibre can be used in long distance, high-capacity optical fiber communication system.For APC and multimode optical fiber, corresponding change optic fiber converter and internal optical fiber can realize.In this case, the joints of optical fibre then can be used in the optical fiber telecommunications system of short-distance and medium-distance and low capacity.
The joints of optical fibre that the present embodiment provides, two surfaces that housing is relative are respectively arranged with the dissimilar fiber optic adapter of two or more, and by the coupling assembling and internal optical fiber being arranged at enclosure interior, the annexation between optical fiber interface can be changed, achieve the conversion between polytype optical fiber interface.
In fiber optic communication systems, some optical fiber interface uses more, such as, and LC, SC, FC interface.Therefore, what how can realize between this several interface is interconnected, has considerable influence to the operating efficiency improving optical fiber telecommunications system.
Please refer to Fig. 3, the structural representation of another embodiment of the joints of optical fibre provided according to the application is provided.
As shown in Figure 3, the joints of optical fibre that the present embodiment provides, relative two surfaces are respectively arranged with 3 dissimilar fiber optic adapters, as fiber optic adapter 301,302,302.Wherein, for one of them surface, the optical fiber interface outside it is respectively LC, SC, FC interface, and the optical fiber interface of inner side is SC interface.Also namely for arbitrary surface, LC-SC type fiber optic adapter 301, SC-SC type fiber optic adapter 302, FC-SC type fiber optic adapter 303 is provided with.Therefore, when the joints of optical fibre 301 on a surperficial fiber optic adapter 301 and another surface connect, the conversion of LC-LC optical fiber interface type can be realized.When the joints of optical fibre 302 on a surperficial fiber optic adapter 301 and another surface connect, the conversion of LC-SC optical fiber interface type can be realized.When the joints of optical fibre 303 on a surperficial fiber optic adapter 301 and another surface connect, the conversion of LC-FC optical fiber interface type can be realized.When the joints of optical fibre 302 on a surperficial fiber optic adapter 302 and another surface connect, the conversion of SC-SC optical fiber interface type can be realized.When the joints of optical fibre 303 on a surperficial fiber optic adapter 302 and another surface connect, the conversion of SC-FC optical fiber interface type can be realized.When the joints of optical fibre 303 on a surperficial fiber optic adapter 303 and another surface connect, the conversion of FC-FC optical fiber interface type can be realized.Therefore, use this joints of optical fibre, can realize LC-LC, LC-SC, LC-FC, the conversion of SC-FC, FC-FC optical fiber interface type.
Be appreciated that in the present embodiment, the interface type of internal optical fiber 111 also adopts SC interface type in order to realize internal optical fiber 111 and each fiber optic adapter by the connection between case inside optical fiber interface.
The joints of optical fibre that the present embodiment provides, have two slide rails 304 be arranged in parallel in enclosure interior, each slide rail is respectively arranged with a removable toggle 305.Removable toggle 305 is connected respectively with the two ends of internal optical fiber 111.Removable toggle 305 can move along slide rail, and when removable toggle 305 moves, the two ends of internal optical fiber 111 are also along with moving together.Therefore, the two ends of internal optical fiber 111 can be moved to the position of corresponding different fiber breakout box by stirring removable toggle 305.
The joints of optical fibre that the present embodiment provides, also comprise the multiple grooves 306 that arrange corresponding to each fiber optic adapter.The position of groove 306 is corresponding with the position of each fiber optic adapter.When removable toggle 305 is struck the position of arbitrary groove 306, groove 306 can hold removable toggle 305, namely removable toggle 305 can be struck in arbitrary groove 306, and now, internal optical fiber 111 can be connected on the interior side interface of fiber optic adapter corresponding to this groove.As shown in Figure 3, by stirring removable toggle 305, internal optical fiber 111 can be connected on the fiber optic adapter 302 on the surperficial fiber optic adapter 303 of housing one and another surface of housing, thus the conversion of FC-SC optical fiber interface type can be realized.By being arranged at the groove 306 of enclosure interior, when the annexation of upconversion fiber interface, accurately can locate the position of each optical fiber interface, improve operation rate and accuracy.
In order to realize the conversion between multiple optical fiber interface type, internal optical fiber 111 can be connected to arbitrary fiber optic adapter on one of them surface of the joints of optical fibre and arbitrary fiber optic adapter on another surface.In the process of mobile internal optical fiber 111, internal optical fiber is likely wound around.Therefore, the joints of optical fibre that the present embodiment provides also comprise the multiple fixed support bars 307 being arranged on enclosure interior, are wound around for preventing internal optical fiber 111.As shown in Figure 3, internal optical fiber 111 can be limited in certain region by fixed support bar, and in this region, internal optical fiber 111 can not repeatedly intersect, thus avoids internal optical fiber 111 and be mutually wound around.
The joints of optical fibre that the present embodiment provides, two surfaces that housing is relative are respectively arranged with 3 dissimilar fiber optic adapters, and internal optical fiber can be made to be connected to different fiber optic adapters by being arranged at the slide rail of enclosure interior, removable toggle and groove, achieve the conversion of LC-LC, LC-SC, LC-FC, SC-SC, SC-FC, FC-FC optical fiber interface type.
More than describe and be only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art are to be understood that, invention scope involved in the application, be not limited to the technical scheme of the particular combination of above-mentioned technical characteristic, also should be encompassed in when not departing from described inventive concept, other technical scheme of being carried out combination in any by above-mentioned technical characteristic or its equivalent feature and being formed simultaneously.The technical characteristic that such as, disclosed in above-mentioned feature and the application (but being not limited to) has similar functions is replaced mutually and the technical scheme formed.
Claims (7)
1. joints of optical fibre, is characterized in that, comprising:
Housing;
Two surfaces that described housing is relative are respectively arranged with the dissimilar fiber optic adapter of two or more;
Be arranged on coupling assembling and the internal optical fiber of described enclosure interior, described coupling assembling is used for described internal optical fiber to be connected to different fiber optic adapters.
2. the joints of optical fibre according to claim 1, is characterized in that, each fiber optic adapter includes two optical fiber interfaces, are arranged at the inside and outside both sides on described surface respectively; Wherein, for arbitrary described surface, the optical fiber interface outside it is dissimilar, and the optical fiber interface of inner side is same type.
3. the joints of optical fibre according to claim 2, is characterized in that, two surfaces that described housing is relative are respectively arranged with 3 dissimilar fiber optic adapters; Wherein, for arbitrary described surface, the optical fiber interface outside it is respectively LC, SC, FC interface, and the optical fiber interface of inner side is SC interface.
4. the joints of optical fibre according to claim 1, is characterized in that, described coupling assembling comprises:
Two slide rails be arranged in parallel, each slide rail are respectively arranged with a removable toggle;
The multiple grooves that arrange corresponding to described fiber optic adapter, for holding described removable toggle;
Wherein, described removable toggle is connected respectively with the two ends of described internal optical fiber.
5. the joints of optical fibre according to claim 4, is characterized in that, when in described removable toggle is struck arbitrary described groove, described internal optical fiber is connected on the interior side interface of fiber optic adapter corresponding to this groove.
6., according to the arbitrary described joints of optical fibre of claim 1-5, it is characterized in that, also comprise:
Being arranged on the two or more fixed support bar of described enclosure interior, being wound around for preventing described internal optical fiber.
7. the joints of optical fibre according to claim 6, is characterized in that, described internal optical fiber comprises: single-mode fiber or multimode optical fiber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354546.1A CN104932061B (en) | 2015-06-24 | 2015-06-24 | The joints of optical fibre |
| PCT/CN2015/089543 WO2016206193A1 (en) | 2015-06-24 | 2015-09-14 | Optical fibre connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510354546.1A CN104932061B (en) | 2015-06-24 | 2015-06-24 | The joints of optical fibre |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104932061A true CN104932061A (en) | 2015-09-23 |
| CN104932061B CN104932061B (en) | 2017-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510354546.1A Active CN104932061B (en) | 2015-06-24 | 2015-06-24 | The joints of optical fibre |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104932061B (en) |
| WO (1) | WO2016206193A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515664A (en) * | 2015-11-26 | 2016-04-20 | 国网北京市电力公司 | Communication method and system of intelligent device |
| CN107942452A (en) * | 2017-12-25 | 2018-04-20 | 苏州长光华芯光电技术有限公司 | A kind of laser fiber combination unit |
| CN113433633A (en) * | 2020-03-23 | 2021-09-24 | 阿里巴巴集团控股有限公司 | Optical cross-connect unit, connector adapting unit and optical fiber connecting device |
| CN114779395A (en) * | 2022-04-27 | 2022-07-22 | 中航光电科技股份有限公司 | Multifunctional integrated optical fiber backboard component |
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| US5903698A (en) * | 1997-04-11 | 1999-05-11 | Wiltron Company | Fiber optic connection assembly |
| US20150003786A1 (en) * | 2012-09-28 | 2015-01-01 | Positronic Industries, Inc. | Fiber optic connector assembly |
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| CN203324552U (en) * | 2013-07-30 | 2013-12-04 | 成都亨通光通信有限公司 | Dual-purpose optical fiber splitter |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105515664A (en) * | 2015-11-26 | 2016-04-20 | 国网北京市电力公司 | Communication method and system of intelligent device |
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| CN113433633A (en) * | 2020-03-23 | 2021-09-24 | 阿里巴巴集团控股有限公司 | Optical cross-connect unit, connector adapting unit and optical fiber connecting device |
| WO2021190347A1 (en) * | 2020-03-23 | 2021-09-30 | 阿里巴巴集团控股有限公司 | Optical cross connect unit, connector adaptation unit and optical fiber connection device |
| CN113433633B (en) * | 2020-03-23 | 2022-08-23 | 阿里巴巴集团控股有限公司 | Optical cross-connect unit, connector adapting unit and optical fiber connecting device |
| CN114779395A (en) * | 2022-04-27 | 2022-07-22 | 中航光电科技股份有限公司 | Multifunctional integrated optical fiber backboard component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104932061B (en) | 2017-07-11 |
| WO2016206193A1 (en) | 2016-12-29 |
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