CN210166544U - Optical fiber ribbon and optical cable using same - Google Patents

Optical fiber ribbon and optical cable using same Download PDF

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Publication number
CN210166544U
CN210166544U CN201921237474.2U CN201921237474U CN210166544U CN 210166544 U CN210166544 U CN 210166544U CN 201921237474 U CN201921237474 U CN 201921237474U CN 210166544 U CN210166544 U CN 210166544U
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China
Prior art keywords
optical fiber
ribbon
sub
layer
fiber ribbon
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Expired - Fee Related
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CN201921237474.2U
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Chinese (zh)
Inventor
沈群华
其他发明人请求不公开姓名
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Changshu Greater Mechanical Product Design Co ltd
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Changshu Greater Mechanical Product Design Co ltd
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Abstract

The utility model belongs to the field of cables, in particular to an optical fiber ribbon, which comprises an optical fiber ribbon body, an upper layer optical fiber and a lower layer optical fiber, wherein the upper layer optical fiber and the lower layer optical fiber are bonded on the upper side and the lower side of the optical fiber ribbon body, the upper layer optical fiber and the lower layer optical fiber are in a half-cladding bonding state, and the upper layer optical fiber and the lower layer optical fiber are not contacted with each other; the utility model solves the problems of low space utilization rate of the loose tube or the framework groove and the waste of optical cable materials; the utility model also relates to an optical cable adopting the optical fiber ribbon; the utility model has the advantages of simple structure, convenient processing, thin optical fiber ribbon, low cost and the like.

Description

Optical fiber ribbon and optical cable using same
Technical Field
The utility model belongs to the cable field especially relates to an optical fiber ribbon and adopt optical cable of this optical fiber ribbon.
Background
With the continuous development of the communication industry in China, the optical fiber ribbon optical cable has more and more applications due to the fact that the optical fiber ribbon optical cable has the advantages of being large in fiber core density, high in space utilization rate and the like. In the prior art, an optical fiber ribbon is formed by combining a plurality of optical fibers into a single-layer flat optical fiber ribbon, and the plurality of optical fiber ribbons are overlapped into an optical fiber ribbon overlapped body and put into a loose tube or a skeleton groove to form a central tube type optical cable or a layer stranded optical cable or a skeleton type optical cable.
The above prior art has the following disadvantages: 1. the space utilization rate of the loose tube or the framework groove is low; 2 the material is wasted and the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention discloses an optical fiber ribbon and an optical cable using the same, which is implemented by the following technical solutions.
An optical fiber ribbon comprises an optical fiber ribbon body, an upper layer optical fiber and a lower layer optical fiber, wherein the upper layer optical fiber and the lower layer optical fiber are bonded on the upper side and the lower side of the optical fiber ribbon body, the upper layer optical fiber and the lower layer optical fiber are in a half-coating bonding state, and the upper layer optical fiber and the lower layer optical fiber are not in contact with each other.
The utility model provides an optical fiber ribbon, the first subband has, second subband and third subband, first subband is located second subband top, the third subband is located second subband top below, and the adhesion adds, the upper optical fiber of first subband and the lower floor's optic fibre of third subband are half cladding adhesive state, the upper and lower layer optic fibre of second subband all is full cladding state, wherein, each subband is by the optical fiber ribbon area body, be located the upper optical fiber and the lower floor's optic fibre of the upper and lower both sides of the optical fiber ribbon area body and constitute, upper optical fiber and lower floor's optic fibre respectively with the optical fiber ribbon area body adhesion, upper optical fiber and lower floor's optic fibre are contactless each other.
An optical fiber ribbon cable is provided with an outer protective layer, a plurality of reinforcing units and a loose tube, wherein the outer protective layer is positioned on the outer side of the loose tube, and the reinforcing units are positioned in a main body of the outer protective layer; the optical fiber ribbon is characterized in that at least one optical fiber ribbon is arranged in the loose tube.
An optical fiber ribbon cable is provided with an outer protective layer, a reinforcing unit and a loose tube, wherein the loose tube is arranged around the reinforcing unit, and the outer protective layer is positioned on the outer side of the loose tube; the optical fiber ribbon is characterized in that at least one optical fiber ribbon is arranged in the loose tube.
The optical cable with the optical fiber ribbon is characterized in that the loose tube material is polybutylene terephthalate or modified polypropylene.
An optical fiber ribbon cable is provided with an outer protective layer, a reinforcing unit and a framework, wherein the framework is composed of a framework groove main body, a plurality of framework grooves are formed in the periphery of the framework groove main body, the framework is located on the outer side of the reinforcing unit, and the outer protective layer is located on the outer side of the framework; the optical fiber ribbon is characterized in that at least one optical fiber ribbon is arranged in each framework groove.
The optical cable with the optical fiber ribbon is characterized in that the main material of the skeleton groove is high-density polyethylene.
The optical cable with the optical fiber ribbon is characterized in that the material of the reinforcing unit is a phosphated steel wire or a stainless steel wire or a non-metal glass fiber rod.
The optical cable with the optical fiber ribbon is characterized in that the outer protective layer material is high-density polyethylene or medium-density polyethylene or low-density polyethylene or flame-retardant polyolefin.
The optical fiber ribbon described above, wherein the optical fiber is a g.652d optical fiber, a g.657a1 optical fiber, a g.657a2 optical fiber, or a g.655c optical fiber.
The utility model has the advantages of simple structure, convenient processing, thin optical fiber ribbon, low cost and the like.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 3 of the present invention.
Fig. 4 is a schematic perspective view of embodiment 4 of the present invention.
Fig. 5 is a schematic perspective view of embodiment 5 of the present invention.
Fig. 6 is a schematic perspective view of embodiment 6 of the present invention.
In the figure: 1. the optical fiber band, 11, upper optical fibers, 12, an optical fiber band body, 13, lower optical fibers, 14, a separation port, 2, an outer protective layer, 3, a reinforcing unit, 4, an armor layer, 5, a belting layer, 6, a loose tube, 7, a framework, 71, a framework main body, 72, a framework groove, 8, a first sub-band, 9, a second sub-band and 10, a third sub-band.
Detailed Description
Example 1
Referring to fig. 1, an optical fiber ribbon includes a ribbon body 12, and an upper optical fiber 11 and a lower optical fiber 13 bonded to the upper and lower sides of the ribbon body 12 symmetrically, wherein the upper optical fiber 11 and the lower optical fiber 13 are both in a half-clad bonded state, the upper optical fiber 11 and the lower optical fiber 13 are not in contact with each other, and the upper surface of the ribbon body 12 is coated with a color different from that of the ribbon body 12 to identify the upper and lower sides of the optical fiber ribbon.
Example 2
Referring to fig. 2, a fiber optic ribbon of this embodiment is substantially the same as that of embodiment 1, except that each lower optical fiber 13 is located between two adjacent upper optical fibers 11, which reduces the thickness of the fiber optic ribbon, saves the material of the ribbon body 12, and allows more optical fibers to be accommodated in the loose tube, thereby increasing the core density of the fiber optic cable.
Above-mentioned optical fiber ribbon, half cladding bonding state can also be the circular arc recess that is greater than half a circle, and optic fibre is embedded into in the circular arc recess, like this, the core number of optical fiber ribbon can be gone into the change manyly, when optic fibre inlays, can be with circular arc recess local bonding, be convenient for like this put and get. The structure saves the cost of the optical fiber ribbon and reduces the occupied area.
Example 3
Referring to fig. 3, an optical fiber ribbon includes a first sub-ribbon 8, a second sub-ribbon 9 and a third sub-ribbon 10, the first sub-ribbon 8 is located above the second sub-ribbon 9, the third sub-ribbon 10 is located above and below the second sub-ribbon 9, and is overlapped and adhered, an upper layer optical fiber 11 of the first sub-ribbon 8 and a lower layer optical fiber 13 of the third sub-ribbon 10 are in a half-clad state, and upper and lower layers optical fibers of the second sub-ribbon 9 are all in a full-clad state, wherein each sub-ribbon includes an optical fiber ribbon body 12, an upper layer optical fiber 11 and a lower layer optical fiber 13 located on upper and lower sides of the optical fiber ribbon body 12, the upper layer optical fiber 11 and the lower layer optical fiber 13 are respectively adhered to the optical fiber ribbon body 12, and the upper; of course, the right side of the optical fiber ribbon body 12 corresponding to the central line position of each optical fiber layer except the upper optical fiber 11 of the first sub-band 8 can be provided with a separation port 14 for quickly separating the optical fiber ribbon, and the upper surface of the optical fiber ribbon body 12 is coated with a color different from the color of the optical fiber ribbon body 12 for identifying the upper side and the lower side of the optical fiber ribbon; this embodiment further loosens the tubes to accommodate more fibers and increases the core density of the cable.
Example 4
Referring to fig. 4, fig. 1, fig. 2 and fig. 3, an optical fiber ribbon cable has an outer sheath 2, two reinforcing units 3 and a loose tube 6, the outer sheath 2 is located outside the loose tube 6, the reinforcing units 3 are located in the main body of the outer sheath 2, and a wrapping layer 5 and an armor layer 4 wrapping the wrapping layer 5 are further disposed between the outer sheath 2 and the loose tube 6; the optical fiber ribbon is characterized in that at least one optical fiber ribbon described in embodiment 1, embodiment 2 or embodiment 3 is arranged in the loose tube 6.
Of course, in the optical fiber ribbon cable described in embodiment 4, the number of the reinforcing units 3 is not limited to two, and the optical fiber ribbon cable can be dispersed into a plurality of thinner reinforcing units 3 as long as the tensile property of the optical fiber ribbon cable meets the design requirement, so that the outer protective layer can be thinner, the outer diameter of the optical fiber cable is thinner, the manufacturing cost of the optical fiber cable is reduced, and the optical fiber cable is softer and has better bending property.
Example 5
Referring to fig. 5, fig. 1, fig. 2 and fig. 3, an optical fiber ribbon cable includes an outer sheath 2, a reinforcing unit 3 and a loose tube 6, the loose tube 6 is disposed around the reinforcing unit 3, the outer sheath 2 is disposed outside the loose tube 6, and a wrapping layer 5 and an armor layer 4 wrapping the wrapping layer 5 are further disposed between the outer sheath 2 and the loose tube 6; the optical fiber ribbon is characterized in that at least one optical fiber ribbon described in embodiment 1, embodiment 2 or embodiment 3 is arranged in the loose tube 6; alternatively, part of the loose tube 6 may be replaced with a filling rope; the embodiment increases the fiber core density of the optical cable, and can be used in occasions with large optical fiber requirements such as trunk lines and the like.
Example 6
Referring to fig. 6, 1, 2 and 3, an optical fiber ribbon cable includes an outer sheath 2, a reinforcing unit 3 and a framework 7, where the framework 7 is formed by a framework groove main body 71, a plurality of framework grooves 72 are formed around the framework groove main body 71, the framework 7 is located outside the reinforcing unit 3, the outer sheath 2 is located outside the framework 7, and a tape wrapping layer 5 is further disposed between the outer sheath 2 and the framework 7; the optical fiber ribbon is characterized in that at least one optical fiber ribbon described in embodiment 1, embodiment 2 or embodiment 3 is arranged in each framework groove 72; in the embodiment, the framework bears axial tension and lateral pressure, so that the optical cable has excellent mechanical property and impact resistance, and the optical fiber microbending loss caused by cabling is small.
The utility model discloses, the optical fiber ribbon adopts half cladding adhesion when producing, and the upper end of upper optic fibre 11 and the lower extreme of lower floor's optic fibre 13 do not have the optical fiber ribbon cladding material, and simultaneously, upper optic fibre 11 and lower floor's optic fibre 13 share an optical fiber ribbon body, have greatly saved the material of optical fiber ribbon body, have also reduced the thickness of optical fiber ribbon; when a plurality of optical fiber ribbons are superposed and bonded, gaps among the optical fiber ribbons are removed, the space is further saved, and the outer diameter of the optical cable can be smaller.
In the description of the present invention, it is to be understood that the terms "up and down" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the indicated device or component must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above-mentioned embodiments are merely preferred technical solutions of the present invention, and should not be construed as limitations of the present invention. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (6)

1. An optical fiber ribbon having a ribbon body (12) and upper (11) and lower (13) optical fibers bonded to upper and lower sides of the ribbon body (12), characterized in that: the upper layer optical fiber (11) and the lower layer optical fiber (13) are in a half-coating bonding state, and the upper layer optical fiber (11) and the lower layer optical fiber (13) are not contacted with each other.
2. An optical fiber ribbon having a first sub-ribbon (8), a second sub-ribbon (9) and a third sub-ribbon (10), the first sub-ribbon (8) being located above the second sub-ribbon (9), the third sub-ribbon (10) being located below the second sub-ribbon (9) and being superposed and adhered, characterized in that: the upper-layer optical fiber (11) of the first sub-band (8) and the lower-layer optical fiber (13) of the third sub-band (10) are in a half-coating bonding state, the upper-layer optical fiber and the lower-layer optical fiber of the second sub-band (9) are in a full-coating state, each sub-band consists of an optical fiber band body (12), the upper-layer optical fiber (11) and the lower-layer optical fiber (13) which are positioned on the upper side and the lower side of the optical fiber band body (12), the upper-layer optical fiber (11) and the lower-layer optical fiber (13) are respectively adhered to the optical fiber band body (12), and the upper-layer optical fiber (11) and the lower.
3. An optical fiber ribbon cable is provided with an outer protective layer (2), a plurality of reinforcing units (3) and a loose tube (6), wherein the outer protective layer (2) is positioned on the outer side of the loose tube (6), and the reinforcing units (3) are positioned in a main body of the outer protective layer (2); characterized in that at least one optical fiber ribbon according to claim 1 or claim 2 is provided in the loose tube (6).
4. An optical fiber ribbon cable is provided with an outer protective layer (2), a reinforcing unit (3) and a loose tube (6), wherein the loose tube (6) is arranged around the reinforcing unit (3), and the outer protective layer (2) is positioned on the outer side of the loose tube (6); characterized in that at least one optical fiber ribbon according to claim 1 or claim 2 is provided in the loose tube (6).
5. An optical fiber ribbon cable is provided with an outer protective layer (2), a reinforcing unit (3) and a framework (7), wherein the framework (7) is composed of a framework groove main body (71), a plurality of framework grooves (72) are formed around the framework groove main body (71), the framework (7) is positioned on the outer side of the reinforcing unit (3), and the outer protective layer (2) is positioned on the outer side of the framework (7); characterized in that at least one optical fiber ribbon according to claim 1 or claim 2 is provided in each of the skeleton grooves (72).
6. The fiber ribbon cable of claim 5, wherein the backbone groove body material is high density polyethylene.
CN201921237474.2U 2019-08-01 2019-08-01 Optical fiber ribbon and optical cable using same Expired - Fee Related CN210166544U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921237474.2U CN210166544U (en) 2019-08-01 2019-08-01 Optical fiber ribbon and optical cable using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921237474.2U CN210166544U (en) 2019-08-01 2019-08-01 Optical fiber ribbon and optical cable using same

Publications (1)

Publication Number Publication Date
CN210166544U true CN210166544U (en) 2020-03-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114675388A (en) * 2022-05-27 2022-06-28 江苏亨通光电股份有限公司 Skeleton type optical fiber ribbon cable and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114675388A (en) * 2022-05-27 2022-06-28 江苏亨通光电股份有限公司 Skeleton type optical fiber ribbon cable and preparation method thereof
CN114675388B (en) * 2022-05-27 2022-12-27 江苏亨通光电股份有限公司 Skeleton type ribbon optical cable and preparation method thereof

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Granted publication date: 20200320