CN115032754A - Macro-bending-resistant indoor optical cable applicable to FTTR (fiber to the Home) and POLAN (local area network) - Google Patents
Macro-bending-resistant indoor optical cable applicable to FTTR (fiber to the Home) and POLAN (local area network) Download PDFInfo
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- CN115032754A CN115032754A CN202210711539.2A CN202210711539A CN115032754A CN 115032754 A CN115032754 A CN 115032754A CN 202210711539 A CN202210711539 A CN 202210711539A CN 115032754 A CN115032754 A CN 115032754A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 65
- 238000005452 bending Methods 0.000 title claims abstract description 38
- 239000000835 fiber Substances 0.000 title abstract description 12
- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 239000010410 layer Substances 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 239000013307 optical fiber Substances 0.000 claims description 11
- 239000011241 protective layer Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 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
- 230000009286 beneficial effect 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
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 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
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- 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
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- 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 a macro-bending resistant indoor optical cable for FTTR (fiber to the Home) and POLAN (local area network). This can be used to anti macrobending indoor optical cable of FTTR and POLAN, through the fibre core, strengthen the cooperation setting of core and protective sheath, walk indoor when the optical cable takes place the bending of line, strengthen the core and can play the supporting role to the optical cable, increase the angle of buckling of optical cable in corner equipotential, thereby reduce the loss during the inside optic fibre transmission signal of optical cable, cooperation through strengthening core and protective sheath sets up, can play the supporting role to the fibre core, except that having tensile characteristic, still possess certain bending resistance, the fibre core, strengthen core and protective sheath on the coplanar, strengthen the core and can play better bending resistance when walking the line.
Description
Technical Field
The invention relates to the technical field of indoor optical cables, in particular to an anti-macrobending indoor optical cable for FTTR and POLAN.
Background
With the rapid development of the internet, the demand of users on the network is continuously increased, and a plurality of access modes such as FTTH and FTTR are extended, when network connection is established, an optical cable is needed to be used, the optical cable is a communication cable assembly which uses one or more optical fibers arranged in a coating protective sleeve as a transmission medium and can be used independently or in a group, the most important structure in the optical cable is the optical fiber, the optical fiber is a short-hand writing of an optical fiber and is a fiber made of glass or plastic, and the transmission principle of the optical fiber is 'total reflection of light'.
When the optical cable is wired indoors, the most important is the bending angle of the optical cable, and when the bending angle of the optical cable is too large, the optical power loss is caused, and the signal intensity output by the other end is influenced, so that equipment is needed to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the macrobending resistant indoor optical cable which can be used for FTTR and POLAN, has the advantages of bending resistance, bending resistance and the like, and solves the problem that the indoor routing of the optical cable is easy to break.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an optical cable in anti macrobending room that can be used to FTTR and POLAN, includes sinle silk, strengthens core and rubber sleeve, the protective layer has been cup jointed to the surface of sinle silk, it all cup joints inside the rubber sleeve to strengthen core and protective layer, sinle silk, enhancement core and rubber sleeve are in same straight line at the axle center in same cross-section.
Preferably, the protective layer includes shielding line layer and first filling layer, the interface of shielding line layer and first filling layer is circular, shielding line layer, first filling layer with the sinle silk is coaxial, the surface of strengthening the core has the envelope around having.
Preferably, the radius of the wire core is R 1 The radius of the reinforcing core is R 2 Wherein R is 1 And R 2 Has a ratio of K 1 ，K 1 ≥2。
Preferably, the number of the covered wires is twelve, and the twelve covered wires are distributed circumferentially by taking the axis of the reinforced 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 3 Has a ratio of K 2 ，2＞K 2 ≥1。
Preferably, the number of the strands of the covered wire is twenty, and the twenty covered wires are distributed circumferentially by taking the axis of the reinforced core as a 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 4 Has a ratio of K 3 ，K 3 ＜1。
Preferably, the number of the covered wires is thirty, and the thirty covered wires are distributed circumferentially by taking the axis of the reinforced 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) advantageous effects
Compared with the prior art, the invention provides the macrobend-resistant indoor optical cable for FTTR and POLAN, which has the following beneficial effects:
1. this can be used to anti macrobend indoor optical cable of FTTR and POLAN, through sinle silk, rubber sleeve, the cooperation setting of strengthening the core, when indoor line optical cable of walking takes place to bend, strengthen the core and can play the supporting role to the optical cable, increase optical cable has reduced the extrusion to inside optic fibre in dog-ear department to loss when reducing the inside optic fibre transmission signal of optical cable at the angle of buckling of positions such as corner.
2. This can be used to FTTR and POLAN anti macrobend indoor optical cable sets up through the cooperation of strengthening the core and envelope curve, can have tensile characteristic outward to strengthening the supporting role of playing of core, still possesses certain bending resistance ability, and the axis cross-section of sinle silk, strengthening core and rubber sleeve is in same straight line, and the strengthening core can play better bending resistance ability when walking the line.
Drawings
Fig. 1 is a schematic general structural diagram of a first embodiment of an optical cable for resisting macrobending in FTTR and POLAN according to the present invention;
fig. 2 is a schematic cross-sectional structure diagram of a first embodiment of an optical cable for FTTR and POLAN macro-bend resistant indoor use according to the present invention;
fig. 3 is a schematic general structural diagram of a second embodiment of an optical cable for FTTR and POLAN macro-bend resistant indoor use according to the present invention;
fig. 4 is a schematic cross-sectional structure view of a second embodiment of an optical fiber cable for FTTR and POLAN macro-bend resistant indoor use according to the present invention;
fig. 5 is a schematic general structural diagram of a third embodiment of an optical cable for FTTR and POLAN macro-bend resistant indoor use according to the present invention;
fig. 6 is a schematic cross-sectional structure view of a third embodiment of an optical fiber cable for FTTR and POLAN macro-bend resistance indoor use according to the present invention;
fig. 7 is a schematic general structural diagram of a fourth embodiment of an optical fiber cable for FTTR and POLAN macro-bend resistance indoor use according to the present invention;
fig. 8 is a schematic cross-sectional structure view of a fourth embodiment of an optical fiber cable for FTTR and POLAN macro-bend resistance indoor use 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 shielding wire layer; 8. a first filling layer; 9. and (6) covering the wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, a macro-bending resistant indoor optical cable for FTTR and POLAN according to a specific embodiment of the present invention includes a cable core 1, a reinforcing core 2, and a rubber sleeve 3, wherein a protective layer 4 is sleeved on an outer surface of the cable core 1, the reinforcing core 2 and the protective layer 4 are both sleeved inside the rubber sleeve 3, and axes of the cable core 1, the reinforcing core 2, and the rubber sleeve 3 on a same cross section are located on a same straight line.
In the optical cable for resisting macrobending in FTTR and POLAN, as a preferable scheme, the protective layer 4 includes the shielding wire layer 7 and the first filling layer 8, the interface between the shielding wire layer 7 and the first filling layer 8 is circular, the shielding wire layer 7 and the first filling layer 8 are coaxial with the core 1, and the outer surface of the reinforced core 2 is wrapped and connected with the covered wire 9.
Referring to fig. 1 and 2, fig. 1 and 2 are schematic diagrams of an overall structure and a cross-sectional mechanism of a first embodiment of an optical cable for an FTTR and a POLAN macro-bending resistant indoor unit according to the present invention; in the macro-bending resistant indoor optical cable capable of being used for FTTR (fiber to the Home) and POLAN (fiber to the Internet), as a preferable scheme, the radius of the wire core 1 is R 1 The radius of the reinforcing core 2 is R 2 Wherein R is 1 And R 2 Has a ratio of K 1 ，K 1 ≥2。
In the macro-bending resistant indoor optical cable for FTTR and POLAN, the number of the covered wires 9 is preferably twelve, and the twelve covered wires 9 are circumferentially distributed around the axis of the strength member 2.
In the first embodiment of the invention, the cross section of the optical cable is in a gourd shape, the diameter of the wire core 1 is two times larger than that of the reinforced core 2, the number of covered wires 9 outside the reinforced core 2 is small, the bending strength of the reinforced core 2 is small when the optical cable is bent, the optical cable is easy to be attached to a wall when being bent, and the optical cable is suitable for being used in a wiring environment with an angle smaller than 90 degrees or more folding angles.
Referring to fig. 3 and 4, fig. 3 and 4 are schematic diagrams of an overall structure and a cross-sectional mechanism of a second embodiment of an optical cable for an FTTR and a POLAN macro-bending resistant indoor unit according to the present invention; in the above macro-bending resistant indoor optical cable for FTTR and POLAN, preferably, the diameter of the core 1 is R 1 The diameter of the reinforcing core 2 is R 3 Wherein R is 1 And R 3 Has a ratio of K 2 ，2＞K 2 ≥1。
In the macro-bending resistant indoor optical cable applicable to FTTR and POLAN, the number of the covered wires 9 is preferably twenty, and the twenty covered wires 9 are circumferentially distributed around the axis of the strength member 2.
In the second embodiment of the invention, the ratio of the diameters of the wire core 1 and the reinforced core 2 is moderate, and the number of strands of the covered wire 9 wound outside the reinforced core 2 is moderate, so that the bending resistance of the reinforced core 2 is improved, moderate bending resistance is provided when the optical cable is bent, and the optical cable is suitable for wiring at a wall corner with 90 degrees and general bending angle number.
Referring to fig. 5 and 6, fig. 5 and 6 are schematic diagrams of an overall structure and a cross-sectional mechanism of a third embodiment of an optical cable for an FTTR and a POLAN macro-bending resistant indoor unit according to the present invention; in the above macro-bending resistant indoor optical cable for FTTR and POLAN, preferably, the diameter of the core 1 is R 1 The diameter of the reinforcing core 2 is R 4 Wherein R is 1 And R 4 Has a ratio of K 3 ，K 3 ＜1。
In the above macro-bending resistant indoor optical cable for FTTR and POLAN, the number of strands of the covered wires 9 is preferably thirty, and the thirty covered wires 9 are circumferentially distributed around the axis of the strength member 2.
In the third embodiment of the invention, the diameter of the wire core 1 is far smaller than that of the reinforced core 2, and the number of the covered wires 9 outside the reinforced core 2 is more, so that the reinforced core 2 is less prone to bending, the folding resistance of the optical cable is improved when the optical cable is bent, the strength of the optical cable is higher, and the optical cable is suitable for being used under the conditions that the angle is larger than 90 degrees and the length of the folding angle is very long.
Referring to fig. 7 and 8, fig. 7 and 8 are schematic diagrams of an overall structure and a cross-sectional mechanism of a fourth embodiment of an optical cable for an FTTR and a POLAN macro-bending resistant indoor unit according to the present invention; in the above macro-bending resistant indoor optical cable for FTTR and POLAN, it is preferable that the number of the strength member 2 is two.
In the above macro-bending resistant indoor optical cable for FTTR and POLAN, preferably, the two reinforcing cores 2 are symmetrically disposed with the axis of the core 1 as a symmetry axis.
In the fourth embodiment of the present invention, the strength cores 2 are disposed at two sides of the core 1, and when the optical cable is bent, the strength cores 2 at two sides are bent towards a perpendicular line direction of a connection line of the two strength cores 2, so as to determine a bending direction, and thus, the method is more deterministic in wiring.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an anti macrobend indoor optical cable that can be used to FTTR and POLAN which characterized in that: including sinle silk (1), strengthen core (2) and rubber sleeve (3), protective layer (4) have been cup jointed to the surface of sinle silk (1), strengthen core (2) and protective layer (4) and all cup joint inside rubber sleeve (3), sinle silk (1), strengthen core (2) and rubber sleeve (3) are in same straight line at the axle center of same cross-section.
2. An optical fiber cable for FTTR and POLAN macro-bend resistant indoor use according to claim 1, wherein: protective layer (4) are including shielding line layer (7) and first filling layer (8), the interface of shielding line layer (7) and first filling layer (8) is circular, shielding line layer (7), first filling layer (8) with sinle silk (1) is coaxial, the surface of strengthening core (2) has around having connect envelope (9).
3. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 2, characterized in that: the radius of the wire core (1) is R 1 The radius of the reinforced core (2) is R 2 Wherein R is 1 And R 2 Has a ratio of K 1 ，K 1 ≥2。
4. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 3, characterized in that: the number of the covered wires (9) is twelve, and the twelve covered wires (9) are distributed in a circumferential manner by taking the axis of the reinforced core (2) as the center.
5. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 2, characterized in that: 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 3 Has a ratio of K 2 ，2＞K 2 ≥1。
6. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 5, wherein: the number of the covered wires (9) is twenty, and the twenty covered wires (9) are circumferentially distributed by taking the axis of the reinforced core (2) as the center.
7. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 2, characterized in that: 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 4 Has a ratio of K 3 ，K 3 ＜1。
8. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 7, wherein: the number of the covered wires (9) is thirty, and the thirty covered wires (9) are distributed circumferentially by taking the axis of the reinforced core (2) as the center.
9. An optical fiber cable for FTTR and POLAN macro-bend resistant indoor use according to claim 1, wherein: the number of the reinforcing cores (2) is two.
10. An indoor optical cable for FTTR and POLAN macro bending resistance according to claim 9, 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 true CN115032754A (en) | 2022-09-09 |
| CN115032754B CN115032754B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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| 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 |
| US20140140670A1 (en) * | 2012-11-21 | 2014-05-22 | Kuang-Bang Hsu | Small-diameter high bending-resistance fiber optic 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 |
-
2022
- 2022-06-22 CN CN202210711539.2A patent/CN115032754B/en active Active
Patent Citations (10)
| 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 |
| US20140140670A1 (en) * | 2012-11-21 | 2014-05-22 | Kuang-Bang Hsu | Small-diameter high bending-resistance fiber optic cable |
| 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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| CN115032754B (en) | 2023-11-21 |
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