CN208297790U

CN208297790U - A kind of optical fiber fiber protection component

Info

Publication number: CN208297790U
Application number: CN201820924033.9U
Authority: CN
Inventors: 聂双江; 肖兴国; 陈家江; 施裕明; 王宗源; 王向飞; 张党卫; 李青宁
Original assignee: Photop Technologies Inc
Current assignee: Photop Technologies Inc
Priority date: 2018-06-14
Filing date: 2018-06-14
Publication date: 2018-12-28
Anticipated expiration: 2028-06-14

Abstract

The utility model relates to a kind of optical fiber fibers to protect component, it includes optical fiber, pyrocondensation tube assembly, fiber optic protection fixing piece, the heat-shrink tube component is set in the fiber position of optical fiber, the fiber optic protection fixing piece is in shell structure, after the heat-shrink tube component is set in the fiber position of optical fiber, it is fixed in the shell structure of fiber optic protection fixing piece, the utility model proposes optical fiber fiber protection component can realize better anti-side pulling performance, process is fixed without glue simultaneously, simpler convenience is reprocessed in later period disassembly, the utility model light channel structure is simple, it is small in size, it is easily achieved, online layback may be implemented less than the requirement of 0.1dB variable quantity.

Description

A kind of optical fiber fiber protection component

Technical field

The utility model relates to optical-fibre communications fields, protect component particularly with regard to a kind of optical fiber fiber.

Background technique

At present optical communication application in photoelectric module structure it is more and more compacter, and the complexity of product it is higher and higher it is necessary to The optical fiber pigtail number of the output module of optical-electric module is asked to increase, thus traditional fiber structure is difficult to meet application demand.

In addition higher to the fiber requirement of optical-electric module in the market, it is wanted before according to Telcordia GR-1221-CORE Ask, only it is non-it is online under the conditions of compare mechanical lateral pulling experiment variable quantity and be less than a certain range.And there is customer requirement at present Higher bending property is realized under the conditions of online, very harsh requirement is proposed to fiber structure, as expired under the conditions of online layback Sufficient 0.1dB requirement.Therefore it needs to design the new fiber structure of one kind to meet the market demand.

Summary of the invention

The case where based on the prior art, utility model aims to solve when front optical module fiber mode, there are problems And deficiency, a kind of optical fiber fiber protection group that can be achieved at the same time multifiber output and solve online bending loss requirement is provided Part, specifically, optical-electric module, under extremely harsh working environment, module output optical fibre locations of structures is chronically at small bending Under the conditions of radius or lateral force, guarantee that optical transmission signal is still no more than the energy loss of 0.1dB.

In order to realize above-mentioned technical purpose, the technical solution adopted in the utility model are as follows:

A kind of optical fiber fiber protection component comprising optical fiber, pyrocondensation tube assembly, fiber optic protection fixing piece, the pyrocondensation Tube assembly is set in the fiber position of optical fiber, and the fiber optic protection fixing piece is in shell structure, the heat-shrink tube assembly set After being located at the fiber position of optical fiber, it is fixed in the shell structure of fiber optic protection fixing piece.

As one of embodiment of pyrocondensation tube assembly, the pyrocondensation tube assembly has two layers comprising by it is interior extremely The soft heat-shrink tube and protection heat-shrink tube being sequentially mutually socketed outside.

As the another embodiment of pyrocondensation tube assembly, the pyrocondensation tube assembly has three layers comprising from the inside to the outside Soft heat-shrink tube, protection heat-shrink tube and the fixed heat-shrink tube being sequentially mutually socketed.

Preferably, the soft heat-shrink tube is cross-linked polyolefin heat-shrink tube.

Preferably, the protection heat-shrink tube is halogen-free environmental heat-shrinkable T bush.

Preferably, the fixation heat-shrink tube is halogen-free environmental heat-shrinkable T bush.

Further, the one side of the fiber optic protection fixing piece is equipped with the fixing card being adapted with heat-shrink tube modular construction Slot.

Preferably, the radial section of the fixed card slot is in U-shape and the fixation heat-shrinkable T bush length and fixed card slot U-shaped two sides spacing be adapted and be connected in the U-shaped structure of fixed card slot.

Preferably, the fiber optic protection fixing piece is metal material molding.

Further, the pyrocondensation tube assembly is heated after-contraction by the way of hot plate and protects the optical fiber, the hot plate Heating temperature to the pyrocondensation tube assembly is 120 DEG C.

Further, the optical fiber uses the optical fiber with preferable bending property.

Using above-mentioned technical solution, the utility model has the following beneficial effects: the utility model passes through a large amount of theoretical point Analysis and experimental verification, the hardness and experiment effect of fiber protection heat-shrink tube have very big relationship, after lot of experiment validation, most Soft or hard heat-shrink tube association schemes are chosen eventually, and can be very good, which reduces bending stress, reduces optical fiber cable degree of injury, reaches online The requirement of layback bending loss 0.1dB, in addition, the utility model has the further advantage that 1, structure is simple, dismantling side Just；2, the variable quantity requirement of online bending loss 0.1dB may be implemented in better bending property；It 3, can be multi output optical fiber Product provides fiber solution；4, better solution is provided in the fiber of compact modules；5, mode occur is card slot knot Structure, installation and tear down operations are convenient.

Detailed description of the invention

Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation It is bright, to be fully understood from the purpose of this utility model, feature and effect.

Fig. 1 is the brief implementation diagram of the utility model optical fiber fiber protection component, wherein fiber optic protection fixing piece is not It shows；

Fig. 2 is the axial cutting structural schematic diagram of structure shown in Fig. 1；

Fig. 3 is the radial cutting structural schematic diagram of structure shown in Fig. 1；

Fig. 4 is the brief implementation diagram of the utility model optical fiber fiber protection component.

Appended drawing reference is as follows:

1- optical fiber；The soft heat-shrink tube of 2-；3- protects heat-shrink tube；4- fixes heat-shrink tube；5- fixed card slot；6- fiber optic protection is solid Determine part.

Specific embodiment

As shown in Fig. 1 to one of 4, the utility model it include optical fiber 1, pyrocondensation tube assembly, fiber optic protection fixing piece 6, institute The heat-shrink tube component stated is set in the fiber position of optical fiber 1, and the fiber optic protection fixing piece 6 is in shell structure, the heat After draw component is set in the fiber position of optical fiber 1, it is fixed in the shell structure of fiber optic protection fixing piece 6.

As the another embodiment of pyrocondensation tube assembly, the pyrocondensation tube assembly has three layers comprising from the inside to the outside The soft heat-shrink tube 2 that is sequentially mutually socketed, protection heat-shrink tube 3 and fixed heat-shrink tube 4, it is preferred that the soft heat-shrink tube 2 is Cross-linked polyolefin heat-shrink tube, it is preferred that the protection heat-shrink tube 3 is halogen-free environmental heat-shrinkable T bush, it is preferred that the fixation Heat-shrink tube 4 is halogen-free environmental heat-shrinkable T bush, wherein simplifies embodiment as one kind, fixed heat-shrinkable T bush 4 can also be according to need It is removed.

Further, the one side of the fiber optic protection fixing piece 6 is equipped with the fixing card being adapted with heat-shrink tube modular construction Slot 5, it is preferred that the radial section of the fixed card slot 5 is in U-shape and 4 length of fixation heat-shrinkable T bush and fixed card slot 5 U-shaped two sides spacing is adapted and is connected in the U-shaped structure of fixed card slot 5, it is preferred that the fiber optic protection fixing piece 6 is Metal material molding.

The utility model optical fiber fiber protects the production of component and application method as follows:

Soft heat-shrink tube 2, protection heat-shrink tube 3 and fixation heat-shrink tube 4 are successively distinguished in pyrocondensation to optical fiber 1 in order, and Above-mentioned component is placed in fiber optic protection fixed card slot 5, two layers of shrinkable tube structure plays buffer function to lateral force, realizes more Good anti-side pulling performance, while process is fixed without glue, later period disassembly is reprocessed more convenient simple.

Optical fiber 1 is using the optical fiber with preferable bending property, such as the ZBL optical fiber of Corning Incorporated.

Using hot plate or other heating methods, under the conditions of about 120 DEG C, being relatively easy to makes soft heat-shrink tube 2, protection On heat-shrink tube 3 and fixed 4 heat shrink of heat-shrink tube protection to optical fiber 1, the effect protected to fibre-optical bending is realized.

Attached drawing 4 is the applicating example of the protection component of optical fiber fiber involved in one preferred embodiment of the utility model.It utilizes Hot plate or other heating methods, under the conditions of about 120 DEG C or other suitable temperatures, first by soft heat-shrink tube 2 and protection pyrocondensation Pipe 3 is placed in the fixture one being pre-designed in pyrocondensation to optical fiber 1, then fixed heat-shrink tube 4 is placed into the fixture two being pre-designed In middle pyrocondensation to protection heat-shrink tube 3, the preparation of optical fiber fiber protection component is completed.The component is carried out according to Telcordia GR-1221-CORE standard 0.25kg points of three directions carry out layback experiment, and experimental result is as follows.

The fiber protection component of the use of the new type is easy to operate, and easy for installation, test can achieve bending damage in an experiment The requirement of 0.1dB is consumed, the structure by optimization can accomplish the bending loss of 0.05dB, while mention in later period maintenance or replacement For simpler and quick operating method.

The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can It, all should be within the scope of protection determined by the claims with obtained technical solution.

Claims

1. a kind of optical fiber fiber protects component, it is characterised in that: it includes optical fiber, pyrocondensation tube assembly, fiber optic protection fixing piece, institute The heat-shrink tube component stated is set in the fiber position of optical fiber, and the fiber optic protection fixing piece is in shell structure, the pyrocondensation After tube assembly is set in the fiber position of optical fiber, it is fixed in the shell structure of fiber optic protection fixing piece.

2. a kind of optical fiber fiber according to claim 1 protects component, it is characterised in that: the pyrocondensation tube assembly includes The soft heat-shrink tube and protection heat-shrink tube being sequentially mutually socketed from the inside to the outside.

3. a kind of optical fiber fiber according to claim 1 protects component, it is characterised in that: the pyrocondensation tube assembly includes Soft heat-shrink tube, protection heat-shrink tube and the fixed heat-shrink tube being sequentially mutually socketed from the inside to the outside.

4. a kind of optical fiber fiber according to claim 2 or 3 protects component, it is characterised in that: the soft heat-shrink tube For cross-linked polyolefin heat-shrink tube.

5. a kind of optical fiber fiber according to claim 2 or 3 protects component, it is characterised in that: the protection heat-shrink tube For halogen-free environmental heat-shrinkable T bush.

6. a kind of optical fiber fiber according to claim 2 protects component, it is characterised in that: the fiber optic protection fixing piece One side is equipped with the fixed card slot being adapted with heat-shrink tube modular construction.

7. a kind of optical fiber fiber according to claim 3 protects component, it is characterised in that: the fixation heat-shrink tube is nothing Halogen environmental protection heat-shrinkable T bush.

8. a kind of optical fiber fiber according to claim 3 protects component, it is characterised in that: the fiber optic protection fixing piece One side is equipped with the fixed card slot being adapted with heat-shrink tube modular construction.

9. a kind of optical fiber fiber according to claim 8 protects component, it is characterised in that: the radial direction of the fixed card slot is cut Face is in U-shape and the fixation heat-shrinkable T bush length and the U-shaped two sides spacing of fixed card slot are adapted and are connected to fixed card slot U-shaped structure in.

10. a kind of optical fiber fiber protection component according to claim 6 or 8, it is characterised in that: the fiber optic protection is solid Part is determined for metal material molding.