CN202676960U - Optical fiber ribbon and optical cable employing the same - Google Patents

Optical fiber ribbon and optical cable employing the same Download PDF

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Publication number
CN202676960U
CN202676960U CN 201220291178 CN201220291178U CN202676960U CN 202676960 U CN202676960 U CN 202676960U CN 201220291178 CN201220291178 CN 201220291178 CN 201220291178 U CN201220291178 U CN 201220291178U CN 202676960 U CN202676960 U CN 202676960U
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China
Prior art keywords
groove
line
light transmitting
fibre
transmitting fiber
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Expired - Fee Related
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CN 201220291178
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Chinese (zh)
Inventor
沈群华
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林丽云
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Abstract

The utility model belongs to the technical field of fibers and optical cables, and especially relates to an optical fiber ribbon. The optical fiber ribbon is integrally formed by a plurality of optical fibers and bonding materials, wherein axes of the optical fibers are parallel to each other, and the optical fibers are all positioned inside the bonding materials. The optical fiber ribbon is characterized in that upper surfaces and lower surfaces of the bonding material are formed by protruding bodies and grooves, wherein the protruding bodies and the grooves are mutually arranged at intervals; the axes of the optical fibers are in the same plane; and gaps exist between each two adjacent optical fibers. The utility model also discloses an optical cable employing the above optical fiber ribbon. A problem that a conventional optical fiber ribbon is poor in resistance to lateral pressure is solved. The beneficial effects of the optical fiber ribbon are that the optical fiber ribbon is higher in resistance to lateral pressure; a product is more stable and reliable in performance; the product is simple to produce; and lower requirements are needed for a disc tool for coiling the optical fiber ribbon, and requirement about points for attention for operation workers are reduced.

Description

Fibre ribbon and adopt the optical cable of this fibre ribbon
Technical field
The utility model belongs to the optical fiber cable technical field, especially relates to a kind of withstand voltage fibre ribbon and adopts the optical cable of this fibre ribbon.
Background technology
Along with the continuous growth of broadband demand, the application quantity of optical fiber grows with each passing day, and for the broadband demand that reaches the high density customer group and the broadband requirement of cloud computing, optical fibre band optical cable is widely applied.At home in the optical fiber cable industry, fibre ribbon in the optical fibre band optical cable is according to People's Republic of China's communication industry standard: the regulation of YD/T 979-2009 " fibre ribbon technical requirement and acceptance method " is produced and is checked, stipulate two types fibre ribbon in this standard, be respectively edge binding type and integral coating type.In the edge binding type fibre ribbon, by the bonding paint adhesion, the upper and lower of optical fiber exposes between the optical fiber, and therefore, fibre ribbon reaches in process of production easily to be scraped by foreign object and injures oppressed and fracture or optical fiber produced stress, causes fibre ribbon normally not use; Integral coating type fibre ribbon is ring bodies (seeing Fig. 3 of standard), optical fiber integrally is arranged in and is with coating, and band produce in since fibre ribbon be coiled on the tool, along with increasing of the coiling number of plies, the fibre ribbon of internal layer is constantly oppressed, therefore, the inner layer optical fiber band need to bear larger wall pressure, after therefore fibre ribbon is finished in production, in the process of test, usually find that the fracture of inner layer optical fiber band or stressed rear optical parametric become bad phenomenon, this has not only affected production, delivery, and has brought many troubles for check, producers.
Summary of the invention
In order to address the above problem, the purpose of this utility model is a kind of fibre ribbon of utility model, can effectively reduce the problem because of fibercuts, fiber optics and degraded in mechanical properties that wall pressure causes in the production run of fibre ribbon; Further have, the utility model has also disclosed a kind of optical cable that uses this kind fibre ribbon.The utility model is realized by the following technical solutions.
A kind of fibre ribbon, it is to be made of many axis light transmitting fiber 2, binding material 1 one of placing that be parallel to each other, light transmitting fiber all is positioned among the binding material; It is characterized in that: the upper surface of binding material and lower surface all are to be made of convex body 11 and groove 12 that the space distributes; Fibre-optic axis is in same plane; Gapped between the adjacent light transmitting fiber.
In first embodiment of the present utility model, convex body be positioned at fibre-optic directly over and under, groove be positioned at adjacent fibre-optic gap directly over and under; On arbitrary xsect, the line L3 at light transmitting fiber top is straight line, the bottom line L1 of the groove of upper surface is straight line, and the bottom line L1 of the groove of upper surface is positioned at the line L3 top at light transmitting fiber top, the line L4 at the end, light transmitting fiber top is straight line, the bottom line L2 of the groove of lower surface is straight line, and the bottom line L2 of the groove of lower surface is positioned at the line L4 below at the end, light transmitting fiber top, and convex body is positioned at outside the bottom line L2 of groove of the bottom line L1 of groove of upper surface and lower surface; Convex body be shaped as circular arc.
In second embodiment of the present utility model, groove be positioned at fibre-optic directly over and under, convex body be positioned at adjacent fibre-optic gap directly over and under; On arbitrary xsect, the line L3 at light transmitting fiber top is straight line, the bottom line L1 of the groove of upper surface is straight line, and the bottom line L1 of the groove of upper surface is positioned at the line L3 top at light transmitting fiber top, the line L4 at the end, light transmitting fiber top is straight line, the bottom line L2 of the groove of lower surface is straight line, and the bottom line L2 of the groove of lower surface is positioned at the line L4 below at the end, light transmitting fiber top, and convex body is positioned at outside the bottom line L2 of groove of the bottom line L1 of groove of upper surface and lower surface; Described convex body be shaped as rectangle.
The 3rd embodiment of the present utility model and the first embodiment are basic identical, and difference is the triangle that is shaped as of convex body.
The 4th embodiment of the present utility model and the 3rd embodiment are basic identical, and difference is that being shaped as of convex body is trapezoidal.
Fibre ribbon described above is characterized in that described light transmitting fiber is single-mode fiber or multimode optical fiber.
Further, fibre ribbon described above is characterized in that described light transmitting fiber is G.652 type or G.651 type or G.653 type or G.654 type or G.655 type or G.657 type or A1a type or A1b type.
A kind of optical cable that discloses in the utility model embodiment five is realized by the following technical solutions: a kind of optical fibre band optical cable, it is characterized in that it be by the loose sleeve pipe 3 that is positioned at central authorities, be positioned at loose sleeve pipe reinforcement 4 outer and that be close to loose sleeve pipe, the restrictive coating 5 that is coated on the reinforcement consists of; Include many fibre ribbons described above in the described loose sleeve pipe, and the multifiber band stacks successively in stacked mode, fibre ribbon and loose sleeve pipe tube wall are discontiguous.
Optical fibre band optical cable described above, the material that it is characterized in that described loose sleeve pipe is polybutylene terephthalate or polypropylene.
Optical fibre band optical cable described above, the material that it is characterized in that described reinforcement are fragrant human relations yarn or glass fiber tape.
Optical fibre band optical cable described above, the material that it is characterized in that described restrictive coating are Low Density Polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon or Polyvinylchloride.
Optical cable in the utility model is not limited to the situation of embodiment five, so long as adopt the optical cable of the utility model fibre ribbon, and all should be within protection domain of the present utility model.
In the utility model fibre ribbon, because the existence of convex body and groove, and the position relationship of they and fibre ribbon, so that fibre ribbon of the present utility model has good anti-lateral pressure resistant performance, fibre ribbon of the present utility model is in the situation that experience short-term 2200N/100mm, long-term 1000N/100mm flat pressure, and the additional attenuation of fibre ribbon surpasses 0.03dB/km; The short-term time is lasting 10 minutes, and the long-term time is lasting 1 hour; And after the test, fibre ribbon does not have any crackle at 50 times amplification Microscopic observation.
Therefore, the utlity model has following beneficial effect: anti-wall pressure is higher, and the performance of product is more stable, reliable; Production is simple, the dish tool of coiled fiber band is required points for attention lower, that operating personnel are required still less.
Description of drawings
Fig. 1 is one section perspective view of the embodiment 1 of the utility model fibre ribbon.
Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1.
Fig. 3 is one section perspective view of the embodiment 2 of the utility model fibre ribbon.
Fig. 4 is the cross-sectional structure schematic diagram of Fig. 3.
Fig. 5 is one section perspective view of the embodiment 3 of the utility model fibre ribbon.
Fig. 6 is the cross-sectional structure schematic diagram of Fig. 5.
Fig. 7 is one section perspective view of the embodiment 4 of the utility model fibre ribbon.
Fig. 8 is the cross-sectional structure schematic diagram of Fig. 7.
Fig. 9 is one section perspective view of the utility model optical cable.
Figure 10 is the cross-sectional structure schematic diagram of Fig. 9.
Embodiment
Embodiment 1 is the embodiment of the utility model fibre ribbon to embodiment 4, and embodiment 5 is the embodiment of the utility model optical cable.
Embodiment 1
Ask for an interview Fig. 1 and Fig. 2, a kind of fibre ribbon, it is to be made of many axis light transmitting fiber 2, binding material 1 one of placing that be parallel to each other, light transmitting fiber all is positioned among the binding material; It is characterized in that: the upper surface of binding material and lower surface all are to be made of convex body 11 and groove 12 that the space distributes; Fibre-optic axis is in same plane; Gapped between the adjacent light transmitting fiber; Convex body be positioned at fibre-optic directly over and under, groove be positioned at adjacent fibre-optic gap directly over and under; On arbitrary xsect, on arbitrary xsect, the line L3 at light transmitting fiber top is straight line, the bottom line L1 of the groove of upper surface is straight line, and the bottom line L1 of the groove of upper surface is positioned at the line L3 top at light transmitting fiber top, the line L4 at the end, light transmitting fiber top is straight line, the bottom line L2 of the groove of lower surface is straight line, and the bottom line L2 of the groove of lower surface is positioned at the line L4 below at the end, light transmitting fiber top, and convex body is positioned at outside the bottom line L2 of groove of the bottom line L1 of groove of upper surface and lower surface; Convex body be shaped as circular arc.
Embodiment 2
Ask for an interview Fig. 3 and Fig. 4, a kind of fibre ribbon, it is to be made of many axis light transmitting fiber 2, binding material 1 one of placing that be parallel to each other, light transmitting fiber all is positioned among the binding material; It is characterized in that: the upper surface of binding material and lower surface all are to be made of convex body 11 and groove 12 that the space distributes; Fibre-optic axis is in same plane; Gapped between the adjacent light transmitting fiber; Groove be positioned at fibre-optic directly over and under, convex body be positioned at adjacent fibre-optic gap directly over and under; On arbitrary xsect, the line L3 at light transmitting fiber top is straight line, the bottom line L1 of the groove of upper surface is straight line, and the bottom line L1 of the groove of upper surface is positioned at the line L3 top at light transmitting fiber top, the line L4 at the end, light transmitting fiber top is straight line, the bottom line L2 of the groove of lower surface is straight line, and the bottom line L2 of the groove of lower surface is positioned at the line L4 below at the end, light transmitting fiber top, and convex body is positioned at outside the bottom line L2 of groove of the bottom line L1 of groove of upper surface and lower surface; Described convex body be shaped as rectangle.
Embodiment 3
Ask for an interview Fig. 5 and Fig. 6, a kind of fibre ribbon, substantially with embodiment 1, difference is the triangle that is shaped as of convex body.
Embodiment 4
Ask for an interview Fig. 7 and Fig. 8, a kind of fibre ribbon, substantially with embodiment 1, difference is that being shaped as of convex body is trapezoidal.
Fibre ribbon described in above-mentioned arbitrary embodiment is characterized in that described light transmitting fiber is single-mode fiber or multimode optical fiber.
Further, the fibre ribbon described in above-mentioned arbitrary embodiment is characterized in that described light transmitting fiber is G.652 type or G.651 type or G.653 type or G.654 type or G.655 type or G.657 type or A1a type or A1b type.
Fibre ribbon described in above-mentioned arbitrary embodiment is characterized in that described light transmitting fiber radical is not limited to 6, also can be 2,4,8,10,12,18,24.
Fibre ribbon described in above-mentioned arbitrary embodiment is characterized in that described binding material is heat reactive resin or ultraviolet-curing resin.
Fibre ribbon described in above-mentioned arbitrary embodiment, it all is to be made of many axis light transmitting fiber 2, binding material 1 one of placing that be parallel to each other, light transmitting fiber all is positioned among the binding material; It is characterized in that: the upper surface of binding material and lower surface all are to be made of convex body 11 and groove 12 that the space distributes; Fibre-optic axis is in same plane; Gapped between the adjacent light transmitting fiber.
Embodiment 5
Ask for an interview Fig. 9 and Figure 10, a kind of optical fibre band optical cable, it is characterized in that it be by the loose sleeve pipe 3 that is positioned at central authorities, be positioned at loose sleeve pipe reinforcement 4 outer and that be close to loose sleeve pipe, the restrictive coating 5 that is coated on the reinforcement consists of; Include many fibre ribbons described in above-mentioned arbitrary embodiment in the described loose sleeve pipe, and the multifiber band stacks successively in stacked mode, fibre ribbon and loose sleeve pipe tube wall are discontiguous.
Optical fibre band optical cable described above, the material that it is characterized in that described loose sleeve pipe is polybutylene terephthalate or polypropylene.
Optical fibre band optical cable described above, the material that it is characterized in that described reinforcement are fragrant human relations yarn or glass fiber tape.
Optical fibre band optical cable described above, the material that it is characterized in that described restrictive coating are Low Density Polyethylene or medium density polyethylene or high density polyethylene or low smoke and zero halogen tygon or Polyvinylchloride.
Optical cable in the utility model is not limited to the situation of embodiment five, so long as adopt the optical cable of the utility model fibre ribbon, and all should be within protection domain of the present utility model.
In the utility model fibre ribbon, because the existence of convex body and groove, and the position relationship of they and fibre ribbon, so that fibre ribbon of the present utility model has good anti-lateral pressure resistant performance, fibre ribbon of the present utility model is in the situation that experience short-term 2200N/100mm, long-term 1000N/100mm flat pressure, and the additional attenuation of fibre ribbon surpasses 0.03dB/km; The short-term time is lasting 10 minutes, and the long-term time is lasting 1 hour; And after the test, fibre ribbon has no any crackle at 50 times amplification Microscopic observation.
Therefore, the utlity model has following beneficial effect: anti-wall pressure is higher, and the performance of product is more stable, reliable; Production is simple, the dish tool of coiled fiber band is required points for attention lower, that operating personnel are required still less.
The utility model is not limited to above-mentioned preferred forms, should be appreciated that design of the present utility model can be by other various forms enforcement utilizations, and they drop in the protection domain of the present utility model equally.

Claims (6)

1. fibre ribbon, it is to be made of many axis light transmitting fiber, the binding material one of placing that be parallel to each other, light transmitting fiber all is positioned among the binding material; It is characterized in that: the upper surface of binding material and lower surface all are to be made of convex body and groove that the space distributes; Fibre-optic axis is in same plane; Gapped between the adjacent light transmitting fiber.
2. fibre ribbon according to claim 1, it is characterized in that described convex body be positioned at fibre-optic directly over and under, groove be positioned at adjacent fibre-optic gap directly over and under; The line at light transmitting fiber top is straight line, the bottom line of the groove of upper surface is straight line, and the bottom line of the groove of upper surface is positioned at the line top at light transmitting fiber top, the line at the end, light transmitting fiber top is straight line, the bottom line of the groove of lower surface is straight line, and the bottom line of the groove of lower surface is positioned at the line below at the end, light transmitting fiber top, the bottom line that convex body is positioned at the groove of upper surface reaches, outside the bottom line of the groove of lower surface; Convex body be shaped as circular arc or triangle or trapezoidal.
3. fibre ribbon according to claim 1, it is characterized in that described groove be positioned at fibre-optic directly over and under, convex body be positioned at adjacent fibre-optic gap directly over and under; The line at light transmitting fiber top is straight line, the bottom line of the groove of upper surface is straight line, and the bottom line of the groove of upper surface is positioned at the line top at light transmitting fiber top, the line at the end, light transmitting fiber top is straight line, the bottom line of the groove of lower surface is straight line, and the bottom line of the groove of lower surface is positioned at The line at the end, light transmitting fiber topBelow, convex body are positioned at outside the bottom line of groove of the bottom line of groove of upper surface and lower surface; Described convex body be shaped as rectangle.
4. according to claim 2 or any one fibre ribbon claimed in claim 3, it is characterized in that described light transmitting fiber is single-mode fiber or multimode optical fiber.
5. fibre ribbon according to claim 4 is characterized in that described light transmitting fiber is G.652 type or G.651 type or G.653 type or G.654 type or G.655 type or G.657 type or A1a type or A1b type.
6. optical fibre band optical cable, it is characterized in that it be by the loose sleeve pipe that is positioned at central authorities, be positioned at loose sleeve pipe outer and WithThe reinforcement be close to of pine sleeve pipe, be coated on that restrictive coating on the reinforcement consists of; Include many claims 1 in the described loose sleeve pipe to any one fibre ribbon claimed in claim 3, and the multifiber band stacks successively in stacked mode, fibre ribbon and loose sleeve pipe tube wall are discontiguous.
CN 201220291178 2012-06-20 2012-06-20 Optical fiber ribbon and optical cable employing the same Expired - Fee Related CN202676960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220291178 CN202676960U (en) 2012-06-20 2012-06-20 Optical fiber ribbon and optical cable employing the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220291178 CN202676960U (en) 2012-06-20 2012-06-20 Optical fiber ribbon and optical cable employing the same

Publications (1)

Publication Number Publication Date
CN202676960U true CN202676960U (en) 2013-01-16

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Application Number Title Priority Date Filing Date
CN 201220291178 Expired - Fee Related CN202676960U (en) 2012-06-20 2012-06-20 Optical fiber ribbon and optical cable employing the same

Country Status (1)

Country Link
CN (1) CN202676960U (en)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20130620