CN115032754B - Indoor optical cable capable of being used for FTTR and POLAN macrobend resistance - Google Patents
Indoor optical cable capable of being used for FTTR and POLAN macrobend resistance Download PDFInfo
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- CN115032754B CN115032754B CN202210711539.2A CN202210711539A CN115032754B CN 115032754 B CN115032754 B CN 115032754B CN 202210711539 A CN202210711539 A CN 202210711539A CN 115032754 B CN115032754 B CN 115032754B
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- core
- optical cable
- wire
- fttr
- polan
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- 230000003287 optical effect Effects 0.000 title claims abstract description 49
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 45
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 241000219122 Cucurbita Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- 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
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to the technical field of indoor optical cables, in particular to an indoor optical cable capable of being used for FTTR and POLAN macrobending resistance, which comprises a fiber core, a reinforcing core and a protective sleeve, wherein the outer surface of the fiber core is sheathed with a protective layer, and the reinforcing core and the protective layer are sheathed inside the protective sleeve. This can be used to indoor optical cable of anti macrobend of FTTR and POLAN, through the cooperation setting of fiber core, strengthen core and protective sheath, when indoor wiring optical cable takes place to bend, strengthen the core and can play the supporting role to the optical cable, increase the angle of buckling of optical cable in corner etc. position, thereby reduce the loss when the inside optic fibre transmission signal of optical cable, through the cooperation setting of strengthening core and protective sheath, can play the supporting role to the fiber core, except having tensile characteristic, still possess certain anti ability of rolling over, the fiber core, strengthen core and protective sheath on the coplanar, strengthen the core and can play better anti ability of rolling over when walking the line.
Description
Technical Field
The invention relates to the technical field of indoor optical cables, in particular to an indoor optical cable capable of being used for FTTR and POLAN macrobending resistance.
Background
With the rapid development of the internet, the demands of users on the network are continuously improved, various access modes such as FTTH, FTTR and the like are extended, an optical cable is needed to be used when the network connection is established, the optical cable is a communication cable component which uses one or more optical fibers arranged in a coating protective sleeve as a transmission medium and can be used singly or in groups, the most important structure in the optical cable is the optical fiber, the optical fiber is a short-term optical fiber made of glass or plastic, and the transmission principle of the optical fiber is total reflection of light.
When the optical cable is routed indoors, the most important is the bending angle of the optical cable, when the bending angle of the optical cable is too large, the loss of optical power can be caused, and the strength of the signal output by the other end is affected, so that a device is needed to solve the problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the indoor optical cable capable of being used for the macrobending resistance of the FTTR and the POLAN, has the advantages of bending resistance, bending resistance and the like, and solves the problem that the indoor wiring of the optical fiber is easy to break.
(II) technical scheme
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an indoor optical cable of anti macrobend of FTTR of usable and POLAN, includes sinle silk, strengthens core and rubber sleeve, the surface of sinle silk has cup jointed the protective layer, it all cup joints inside the rubber sleeve to strengthen core and protective layer, sinle silk, strengthen core and rubber sleeve are in same straight line at the axle center of same cross-section.
Preferably, the protective layer comprises a shielding wire layer and a first filling layer, the interfaces of the shielding wire layer and the first filling layer are all round, the shielding wire layer, the first filling layer and the wire core are coaxial, and the outer surface of the reinforcing core is wound with a wrapping wire.
Preferably, the diameter of the wire core is R 1 The diameter of the reinforcing core is R 2 Wherein R is 1 And R is R 2 The ratio of (C) is K 1 ，K 1 ≥2。
Preferably, the number of strands of the wrapping wire is twelve, and the twelve strands of the wrapping wire are circumferentially distributed with the axis of the reinforcing core as the center.
Preferably, the diameter of the wire core is R 1 The diameter of the reinforcing core is R 3 Wherein R is 1 And R is R 3 The ratio of (C) is K 2 ，2＞K 2 ≥1。
Preferably, the number of strands of the covered wire is twenty, and the twenty strands of the covered wire are circumferentially distributed with the axis of the reinforcing core as the center.
Preferably, the diameter of the wire core is R 1 The diameter of the reinforcing core is R 4 Wherein R is 1 And R is R 4 The ratio of (C) is K 3 ，K 3 ＜1。
Preferably, the number of strands of the wrapping wire is thirty, and the thirty strands of the wrapping wire are circumferentially distributed with the axis of the reinforcing core as the center.
Preferably, the number of the reinforcing cores is two.
Preferably, the two reinforcing cores are symmetrically arranged by taking the axis of the wire core as a symmetry axis.
(III) beneficial effects
Compared with the prior art, the invention provides the indoor optical cable capable of being used for the macrobending resistance of the FTTR and the POLAN, which has the following beneficial effects:
1. this can be used to indoor optical cable of anti macrobend of FTTR and POLAN, through the cooperation setting of sinle silk, rubber sleeve, enhancement core, when indoor wiring optical cable takes place to bend, the enhancement core can play the supporting role to the optical cable, increases the bending angle of optical cable in corner etc. position, has reduced the extrusion to inside optic fibre in dog-ear department to the loss when reducing the inside optic fibre transmission signal of optical cable.
2. This can be used to indoor optical cable of anti macrobend of FTTR and POLAN sets up through the cooperation of strengthening core and envelope, can play the supporting role to strengthening the core, has tensile properties outside, still possesses certain anti ability of rolling over, and the axis cross-section of sinle silk, strengthening core and rubber sleeve is in same straight line, strengthens the core and can play better anti ability of rolling over when walking the line.
Drawings
FIG. 1 is a schematic diagram of the general structure of a first embodiment of a fiber-to-the-air and POLAN macrobend resistant indoor optical cable according to the present invention;
FIG. 2 is a schematic cross-sectional view of a first embodiment of a fiber optic cable in a plenum that is resistant to macrobending for FTTR and POLAN according to the present invention;
FIG. 3 is a schematic general structural diagram of a second embodiment of an indoor fiber optic cable for FTTR and POLAN macrobend resistance according to the present invention;
FIG. 4 is a schematic cross-sectional view of a second embodiment of a fiber optic cable in a plenum that is resistant to macrobending for FTTR and POLAN according to the present invention;
FIG. 5 is a schematic general structural diagram of a third embodiment of an indoor fiber optic cable for FTTR and POLAN macrobend resistance according to the present invention;
FIG. 6 is a schematic cross-sectional view of a third embodiment of a fiber optic cable in a plenum that is resistant to macrobending for FTTR and POLAN according to the present invention;
FIG. 7 is a schematic general structural diagram of a fourth embodiment of an indoor fiber optic cable for FTTR and POLAN macrobend resistance according to the present invention;
fig. 8 is a schematic cross-sectional view of a fourth embodiment of a macrobend resistant indoor optical fiber cable for FTTR and POLAN according to the present invention.
In the figure: 1. a wire core; 2. a reinforcing core; 3. a rubber sleeve; 4. a protective layer; 7. a shield line layer; 8. a first filler layer; 9. and (5) wrapping.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the embodiment of the invention provides an indoor optical cable capable of being used for macrobending resistance of FTTR and POLAN, which comprises a wire core 1, a reinforcing core 2 and a rubber sleeve 3, wherein a protective layer 4 is sleeved on the outer surface of the wire core 1, the reinforcing core 2 and the protective layer 4 are sleeved in the rubber sleeve 3, and the wire core 1, the reinforcing core 2 and the rubber sleeve 3 are positioned on the same straight line in the axle center of the same section.
In the foregoing indoor optical cable capable of being used for FTTR and POLAN macrobend resistant, as a preferred scheme, the protective layer 4 includes the shielding wire layer 7 and the first filling layer 8, the interfaces of the shielding wire layer 7 and the first filling layer 8 are all round, the shielding wire layer 7 and the first filling layer 8 are coaxial with the wire core 1, and the outer surface of the reinforcing core 2 is wound with the wrapping wire 9.
Referring to fig. 1 and 2, fig. 1 and 2 are schematic views of the general structure and cross-section mechanism of a first embodiment of an FTTR and POLAN macrobend resistant indoor optical cable according to the present invention; in the indoor optical cable capable of being used for FTTR and POLAN macrobend resistance, as a preferable scheme, the diameter of the wire core 1 is R1, the diameter of the reinforcing core 2 is R2, wherein the ratio of R1 to R2 is K1, and K1 is more than or equal to 2.
In the indoor optical cable for FTTR and POLAN macrobend resistance, the number of strands of the covered wire 9 is twelve, and the twelve strands of the covered wire 9 are circumferentially distributed around the axis of the reinforcing core 2.
In the first specific embodiment of the invention, the optical cable section is in a gourd shape, the diameter of the wire core 1 is twice larger than that of the reinforced core 2, the number of 9 strands of the wrapping wires outside the reinforced core 2 is less, the bending strength of the reinforced core 2 is smaller when the reinforced core is bent, the reinforced core is easier to attach to a wall when the reinforced core is bent, and the reinforced core is suitable for being used in a wiring environment with an angle smaller than 90 degrees or more bending angles.
Referring to fig. 3 and 4, fig. 3 and 4 are schematic views of the overall structure and cross-sectional mechanism of a second embodiment of an FTTR and POLAN macrobend resistant indoor optical cable according to the present invention; in the indoor optical cable capable of being used for FTTR and POLAN macrobending resistance, as a preferable scheme, the diameter of the wire core 1 is R 1 The diameter of the reinforcing core 2 is R 3 Wherein R is 1 And R is R 3 The ratio of (C) is K 2 ，2＞K 2 ≥1。
In the indoor optical cable applicable to FTTR and POLAN macrobend resistance as described above, the number of strands of the covered wire 9 is twenty, and the twenty strands of the covered wire 9 are circumferentially distributed centering on the axis of the reinforcing core 2 as a preferable solution.
In the second embodiment of the invention, the ratio of the diameters of the wire core 1 and the reinforcing core 2 is moderate, and the number of strands of the wrapping wire 9 wound outside the reinforcing core 2 is moderate, so that the bending resistance of the reinforcing core 2 is improved, and moderate bending resistance is provided when the optical cable is bent, and the method is suitable for the condition of wiring at corners with 90 degrees and ordinary bending angles.
Referring to fig. 5 and 6, fig. 5 and 6 are schematic views of the overall structure and cross-sectional mechanism of a third embodiment of an FTTR and POLAN macrobend resistant indoor optical cable according to the present invention; in the indoor optical cable capable of being used for FTTR and POLAN macrobending resistance, as a preferable scheme, the diameter of the wire core 1 is R 1 The diameter of the reinforcing core 2 is R 4 Wherein R is 1 And R is R 4 The ratio of (C) is K 3 ，K 3 ＜1。
In the indoor optical cable for FTTR and POLAN macrobend resistance, the number of strands of the covered wire 9 is preferably thirty, and the thirty strands of the covered wire 9 are circumferentially distributed around the axis of the reinforcing core 2.
In the third embodiment of the invention, the diameter of the wire core 1 is far smaller than that of the reinforcing core 2, the number of the external wrapping wires 9 of the reinforcing core 2 is more, the reinforcing core 2 is less easy to bend, the stronger bending resistance is improved when the optical cable is bent, the strength of the optical cable is higher, and the optical cable is suitable for the conditions that the angle is larger than 90 degrees and the length of the bent angle is long.
Referring to fig. 7 and 8, fig. 7 and 8 are schematic views of the overall structure and cross-sectional mechanism of a fourth embodiment of an FTTR and POLAN macrobend resistant indoor optical cable according to the present invention; in the indoor optical cable applicable to FTTR and POLAN macrobend resistance as described above, the number of the reinforcing cores 2 is preferably two.
In the indoor optical cable applicable to FTTR and POLAN macrobend resistance, as a preferable scheme, the two reinforcing cores 2 are symmetrically arranged with the axis of the wire core 1 as a symmetry axis.
In the fourth embodiment of the present invention, the reinforcing cores 2 are disposed on two sides of the core 1, and when the optical cable is bent, the reinforcing cores 2 on two sides are bent in the direction of the perpendicular line connecting the two reinforcing cores 2, so that the direction of bending is determined, and the certainty is better when wiring.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. An indoor optical cable capable of being used for FTTR and POLAN macrobend resistance, which is characterized in that: the cable comprises a cable core (1), a reinforcing core (2) and a rubber sleeve (3), wherein a protective layer (4) is sleeved on the outer surface of the cable core (1), the reinforcing core (2) and the protective layer (4) are sleeved inside the rubber sleeve (3), and the cable core (1), the reinforcing core (2) and the rubber sleeve (3) are positioned on the same straight line at the axle center of the same section;
the protective layer (4) comprises a shielding wire layer (7) and a first filling layer (8), the interfaces of the shielding wire layer (7) and the first filling layer (8) are round, the shielding wire layer (7), the first filling layer (8) and the wire core (1) are coaxial, the outer surface of the reinforcing core (2) is wound with a wrapping wire (9),
wire core (1)Is of diameter R 1 The diameter of the reinforcing core (2) is R 2 Wherein R is 1 And R is R 2 The ratio of (C) is K 1 ，K 1 ≥2；
The number of the strands of the wrapping wire (9) is twelve, and the twelve strands of the wrapping wire (9) are circumferentially distributed by taking the axis of the reinforcing core (2) as the center;
the diameter of the wire core (1) is R 1 The diameter of the reinforcing core (2) is R 3 Wherein R is 1 And R is R 3 The ratio of (C) is K 2 ，2＞K 2 ≥1；
The number of strands of the wrapping wire (9) is twenty, and the twenty strands of the wrapping wire (9) are circumferentially distributed with the axis of the reinforcing core (2) as the center;
the diameter of the wire core (1) is R 1 The diameter of the reinforcing core (2) is R 4 Wherein R is 1 And R is R 4 The ratio of (C) is K 3 ，K 3 ＜1；
The number of strands of the wrapping wire (9) is thirty, and the thirty strands of the wrapping wire (9) are circumferentially distributed with the axis of the reinforcing core (2) as the center.
2. An indoor optical fiber cable for FTTR and POLAN macrobend resistance as set forth in claim 1, wherein: the number of the reinforcing cores (2) is two.
3. An indoor optical fiber cable for FTTR and POLAN macrobend resistance as set forth in claim 2, wherein: the two reinforcing cores (2) are symmetrically arranged by taking the axis of the wire core (1) as a symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711539.2A CN115032754B (en) | 2022-06-22 | 2022-06-22 | Indoor optical cable capable of being used for FTTR and POLAN macrobend resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210711539.2A CN115032754B (en) | 2022-06-22 | 2022-06-22 | Indoor optical cable capable of being used for FTTR and POLAN macrobend resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115032754A CN115032754A (en) | 2022-09-09 |
| CN115032754B true CN115032754B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210711539.2A Active CN115032754B (en) | 2022-06-22 | 2022-06-22 | Indoor optical cable capable of being used for FTTR and POLAN macrobend resistance |
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| CN (1) | CN115032754B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6370303B1 (en) * | 2000-10-20 | 2002-04-09 | Pirelli Cables And Systems Llc | Optical fiber cable with support member for indoor and outdoor use |
| US6459837B1 (en) * | 2000-07-20 | 2002-10-01 | Pirelli Cables And Systems Llc | Optical fiber cable with single strength member unit in cable outer jacket |
| DE202012100423U1 (en) * | 2012-02-08 | 2012-03-08 | Fitek Photonics Corp. | A FIBER CABLE WITH A HIGH BEND STRENGTH AND A LITTLE DIAMETER |
| CN203561777U (en) * | 2013-09-30 | 2014-04-23 | 特恩驰(南京)光纤有限公司 | AN-used direct burial type central beam tube cable |
| CN212516685U (en) * | 2020-07-01 | 2021-02-09 | 河南庆州电缆有限公司 | Photoelectric composite cable |
| CN212847754U (en) * | 2020-08-18 | 2021-03-30 | 江苏浦漕科技股份有限公司 | Reinforced high-fidelity telephone line |
| CN113192684A (en) * | 2021-05-21 | 2021-07-30 | 德汝电缆(上海)有限公司 | Flat trinity reel cable |
| CN216014883U (en) * | 2021-09-29 | 2022-03-11 | 江苏兴缘高温线缆有限公司 | Composite cable with high tensile strength and small size |
| CN216248425U (en) * | 2021-11-23 | 2022-04-08 | 海安光易通信设备有限公司 | Anti-sag optical fiber jumper wire |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140140670A1 (en) * | 2012-11-21 | 2014-05-22 | Kuang-Bang Hsu | Small-diameter high bending-resistance fiber optic cable |
-
2022
- 2022-06-22 CN CN202210711539.2A patent/CN115032754B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6459837B1 (en) * | 2000-07-20 | 2002-10-01 | Pirelli Cables And Systems Llc | Optical fiber cable with single strength member unit in cable outer jacket |
| US6370303B1 (en) * | 2000-10-20 | 2002-04-09 | Pirelli Cables And Systems Llc | Optical fiber cable with support member for indoor and outdoor use |
| DE202012100423U1 (en) * | 2012-02-08 | 2012-03-08 | Fitek Photonics Corp. | A FIBER CABLE WITH A HIGH BEND STRENGTH AND A LITTLE DIAMETER |
| CN203561777U (en) * | 2013-09-30 | 2014-04-23 | 特恩驰(南京)光纤有限公司 | AN-used direct burial type central beam tube cable |
| CN212516685U (en) * | 2020-07-01 | 2021-02-09 | 河南庆州电缆有限公司 | Photoelectric composite cable |
| CN212847754U (en) * | 2020-08-18 | 2021-03-30 | 江苏浦漕科技股份有限公司 | Reinforced high-fidelity telephone line |
| CN113192684A (en) * | 2021-05-21 | 2021-07-30 | 德汝电缆(上海)有限公司 | Flat trinity reel cable |
| CN216014883U (en) * | 2021-09-29 | 2022-03-11 | 江苏兴缘高温线缆有限公司 | Composite cable with high tensile strength and small size |
| CN216248425U (en) * | 2021-11-23 | 2022-04-08 | 海安光易通信设备有限公司 | Anti-sag optical fiber jumper wire |
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| CN115032754A (en) | 2022-09-09 |
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