CN113903518A - High-torsion-resistance and aging-resistance optical fiber cable - Google Patents
High-torsion-resistance and aging-resistance optical fiber cable Download PDFInfo
- Publication number
- CN113903518A CN113903518A CN202111295351.6A CN202111295351A CN113903518A CN 113903518 A CN113903518 A CN 113903518A CN 202111295351 A CN202111295351 A CN 202111295351A CN 113903518 A CN113903518 A CN 113903518A
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- Prior art keywords
- torsion
- core
- protective layer
- surface layer
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 27
- 239000011241 protective layer Substances 0.000 claims abstract description 51
- 239000002344 surface layer Substances 0.000 claims abstract description 31
- 230000032683 aging Effects 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 239000012212 insulator Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000003063 flame retardant Substances 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims abstract description 4
- 239000000835 fiber Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000003712 anti-aging effect Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000013308 plastic optical fiber Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
Landscapes
- Communication Cables (AREA)
Abstract
The invention discloses an optical fiber cable with high torsion resistance and aging resistance, which comprises a structure main body, wherein the structure main body comprises a torsion-resistant inner core, the torsion-resistant inner core comprises a core column and a core sleeve which is concentrically distributed with the core column, a plurality of groups of separators are arranged between the core column and the core column, the separators divide the space between the core column and the core column into a plurality of core cavities, and core cores are arranged in the core cavities; the cable core comprises a conductor, an insulator is arranged on the surface layer of the conductor in a coated mode, a first anti-torsion protective layer is sleeved on the surface layer of the insulator, and a flame-retardant layer is arranged on the surface layer of the anti-torsion protective layer; the anti-torsion inner core is sleeved with a second anti-torsion protective layer, and the outer protective layer is sleeved on the surface of the second anti-torsion protective layer.
Description
Technical Field
The invention relates to the technical field of optical fiber cables, in particular to an optical fiber cable with high torsion resistance and aging resistance.
Background
An optical fiber cable is a communication cable comprising optical fibers for transmitting communication signals and a cable for electrical conduction, consisting of two or more glass or plastic optical fiber cores, which are located in a protective covering, covered by a plastic PVC outer sleeve, the signal transmission along the inner optical fiber generally using infrared rays, and high-strength optical fiber cables are often used in communication engineering for communication transmission activities.
The existing optical fiber cable in the market is too simple in internal structure design and poor in torsion resistance, and when the optical fiber cable is applied to some special environments needing to be bent and arranged, the surface layer of the optical fiber cable is damaged due to bending torsion, and the normal use of the optical fiber cable is influenced due to the condition that the core of the optical fiber cable is exposed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the optical fiber cable with high torsion resistance and aging resistance, which can effectively solve the problems in the background art.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the optical fiber cable with high torsion resistance and aging resistance comprises a structure main body, wherein the structure main body comprises an torsion-resistant inner core, the torsion-resistant inner core comprises a core column and a core sleeve which is concentrically distributed with the core column, a plurality of groups of separators are arranged between the core column and the core column, the separators divide the space between the core column and the core column into a plurality of core cavities, and core cores are arranged in the core cavities;
the cable core comprises a conductor, an insulator is arranged on the surface layer of the conductor in a coated mode, a first anti-torsion protective layer is sleeved on the surface layer of the insulator, and a flame-retardant layer is arranged on the surface layer of the anti-torsion protective layer;
the anti-torsion inner core is sleeved with a second anti-torsion protective layer, and the outer protective layer is sleeved on the surface of the second anti-torsion protective layer.
Preferably, the core column, the core sleeve and the separator are integrally formed, and the surface layer of the core sleeve is provided with an anti-aging coating.
Preferably, the surface layer of the outer protective layer is provided with a plurality of groups of wear-resistant rings with annular structures, and the wear-resistant rings are uniformly distributed on the surface of the outer protective layer.
Preferably, the wear-resistant ring is one of an elastic silica gel wear-resistant ring or an elastic rubber wear-resistant ring, and the wear-resistant ring is connected with the outer protective layer in a hot melting mode.
Preferably, the surface layer of the outer protective layer is provided with an anti-aging coating.
Preferably, the second torsion-resistant protective layer is formed by spirally winding a steel belt on the torsion-resistant inner core surface layer, and the steel belt is tightly connected with the torsion-resistant inner core surface layer.
Preferably, the first anti-torsion protective layer is a latticed anti-torsion protective layer, the first anti-torsion protective layer is formed by staggered distribution of transverse rubber strips and longitudinal rubber strips, and the transverse rubber strips and the longitudinal rubber strips are processed by elastic rubber materials.
Compared with the prior art, the invention has the beneficial effects that:
through the arrangement of the first anti-torsion protective layer and the second anti-torsion protective layer, the anti-torsion performance of the optical fiber cable is improved, the use requirements of special environments needing to bend and install light are met, and the use performance of the optical fiber cable is improved; the second torsion-resistant protective layer is arranged to be a spiral steel belt wound on the surface layer of the torsion-resistant inner core, so that the compression resistance of the optical fiber cable is further improved; the plurality of wire cores are respectively and independently arranged in the wire core cavities, so that the wire cores are prevented from being mutually extruded and abraded to cause damage; wear-resisting circle is established through the outside cover in the outer protective layer, has improved the wear resistance of optic fibre cable.
Drawings
FIG. 1 is a schematic view of a high torsion and aging resistant optical fiber cable according to the present invention;
FIG. 2 is a front view of a high torsion and aging resistant fiber optic cable according to the present invention;
FIG. 3 is a side view of a fiber optic cable of the present invention that is highly resistant to torsion and aging.
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.
As shown in fig. 1-3:
the embodiment discloses an optical fiber cable with high torsion resistance and aging resistance, which comprises a structural main body, wherein the structural main body comprises an torsion-resistant inner core, the torsion-resistant inner core comprises a core column 6 and a core sleeve 4 which is concentrically distributed with the core column 6, a multi-component separator 5 is arranged between the core column 6 and the core column 6, the separator 5 divides the space between the core column 6 and the core column 6 into a plurality of core cavities 11, and core cores are arranged in the core cavities 11; the cable core comprises a conductor 7, an insulator 8 is arranged on the surface layer of the conductor 7 in a cladding mode, a first anti-torsion protective layer 9 is sleeved on the surface layer of the insulator 8, and a flame-retardant layer 10 is arranged on the surface layer of the anti-torsion protective layer 9; the anti-torsion inner core is sleeved with a second anti-torsion protective layer 3, and the outer protective layer 1 is sleeved on the surface layer of the second anti-torsion protective layer 3.
The core column 6, the core sleeve 4 and the separator 5 are integrally formed, and the surface layer of the core sleeve 4 is provided with an anti-aging coating; a plurality of groups of wear-resistant rings 2 with annular structures are arranged on the surface layer of the outer protective layer 1, and the plurality of groups of wear-resistant rings 2 are uniformly distributed on the surface of the outer protective layer 1; the wear-resistant ring 2 is one of an elastic silica gel wear-resistant ring or an elastic rubber wear-resistant ring, and the wear-resistant ring 2 is connected with the outer protective layer 1 in a hot melting manner; the surface layer of the outer protective layer 1 is provided with an anti-aging coating; the second torsion-resistant protective layer 3 is formed by spirally winding a steel belt on the torsion-resistant inner core surface layer, and the steel belt is tightly connected with the torsion-resistant inner core surface layer; the first anti-torsion protective layer 9 is a latticed anti-torsion protective layer, the first anti-torsion protective layer 9 is formed by staggered distribution of transverse rubber strips and longitudinal rubber strips, and the transverse rubber strips and the longitudinal rubber strips are processed by elastic rubber materials.
According to the optical fiber cable with high torsion resistance and aging resistance, the torsion resistance of the optical fiber cable is improved through the arrangement of the first torsion resistance protective layer and the second torsion resistance protective layer, the use requirements of special environments needing to bend and install light rays are met, and the use performance of the optical fiber cable is improved; the second torsion-resistant protective layer is arranged to be a spiral steel belt wound on the surface layer of the torsion-resistant inner core, so that the compression resistance of the optical fiber cable is further improved; the plurality of wire cores are respectively and independently arranged in the wire core cavities, so that the wire cores are prevented from being mutually extruded and abraded to cause damage; wear-resisting circle is established through the outside cover in the outer protective layer, has improved the wear resistance of optic fibre cable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The optical fiber cable with high torsion resistance and aging resistance is characterized by comprising a structure main body, wherein the structure main body comprises a torsion-resistant inner core, the torsion-resistant inner core comprises a core column and a core sleeve which is concentrically distributed with the core column, a plurality of groups of separating pieces are arranged between the core column and the core column, the separating pieces divide the space between the core column and the core column into a plurality of core cavities, and core cores are arranged in the core cavities;
the cable core comprises a conductor, an insulator is arranged on the surface layer of the conductor in a coated mode, a first anti-torsion protective layer is sleeved on the surface layer of the insulator, and a flame-retardant layer is arranged on the surface layer of the anti-torsion protective layer;
the anti-torsion inner core is sleeved with a second anti-torsion protective layer, and the outer protective layer is sleeved on the surface of the second anti-torsion protective layer.
2. The fiber optic cable of claim 1, wherein: the core column, the core sleeve and the separating piece are integrally formed, and the surface layer of the core sleeve is provided with an anti-aging coating.
3. The fiber optic cable of claim 1, wherein: the outer protective layer surface layer is equipped with the wear-resisting circle of multiunit annular structure, multiunit wear-resisting circle evenly distributed in outer protective layer surface.
4. A highly torsion and aging resistant optical fiber cable according to claim 3, wherein: the wear-resisting ring is one of an elastic silica gel wear-resisting ring or an elastic rubber wear-resisting ring, and the wear-resisting ring is connected with the outer protective layer in a hot melting mode.
5. The fiber optic cable of claim 1, wherein: and an anti-aging coating is arranged on the surface layer of the outer protective layer.
6. The fiber optic cable of claim 1, wherein: the second torsion-resistant protective layer is formed by spirally winding a steel belt on the torsion-resistant inner core surface layer, and the steel belt is tightly connected with the torsion-resistant inner core surface layer.
7. The fiber optic cable of claim 1, wherein: the first anti-torsion protective layer is a latticed anti-torsion protective layer and is formed by crisscross distribution of transverse rubber strips and longitudinal rubber strips, and the transverse rubber strips and the longitudinal rubber strips are processed by elastic rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295351.6A CN113903518A (en) | 2021-11-03 | 2021-11-03 | High-torsion-resistance and aging-resistance optical fiber cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111295351.6A CN113903518A (en) | 2021-11-03 | 2021-11-03 | High-torsion-resistance and aging-resistance optical fiber cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113903518A true CN113903518A (en) | 2022-01-07 |
Family
ID=79028343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111295351.6A Pending CN113903518A (en) | 2021-11-03 | 2021-11-03 | High-torsion-resistance and aging-resistance optical fiber cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113903518A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115116667A (en) * | 2022-06-30 | 2022-09-27 | 齐鲁电缆有限公司 | Signal transmission monitoring data detection integrated power cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6496628B1 (en) * | 1997-09-29 | 2002-12-17 | Ccs Technology, Inc. | Optical cable |
| CN103971825A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Anti-torsion cable |
| CN111009346A (en) * | 2019-12-11 | 2020-04-14 | 欧耐特线缆集团有限公司 | 10KV high-voltage shielding rubber sleeve cable |
| CN210803803U (en) * | 2019-07-31 | 2020-06-19 | 深圳仕佳光缆技术有限公司 | Compact flame-retardant fire-resistant multi-core optical cable |
| CN211858210U (en) * | 2020-03-09 | 2020-11-03 | 江苏美视达线缆有限公司 | Computer network cable with prevent function of breaking |
| CN212967203U (en) * | 2020-09-04 | 2021-04-13 | 济南圣通电力线缆有限公司 | Mould-proof and damp-proof power cable |
-
2021
- 2021-11-03 CN CN202111295351.6A patent/CN113903518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6496628B1 (en) * | 1997-09-29 | 2002-12-17 | Ccs Technology, Inc. | Optical cable |
| CN103971825A (en) * | 2014-04-24 | 2014-08-06 | 安徽徽宁电器仪表集团有限公司 | Anti-torsion cable |
| CN210803803U (en) * | 2019-07-31 | 2020-06-19 | 深圳仕佳光缆技术有限公司 | Compact flame-retardant fire-resistant multi-core optical cable |
| CN111009346A (en) * | 2019-12-11 | 2020-04-14 | 欧耐特线缆集团有限公司 | 10KV high-voltage shielding rubber sleeve cable |
| CN211858210U (en) * | 2020-03-09 | 2020-11-03 | 江苏美视达线缆有限公司 | Computer network cable with prevent function of breaking |
| CN212967203U (en) * | 2020-09-04 | 2021-04-13 | 济南圣通电力线缆有限公司 | Mould-proof and damp-proof power cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115116667A (en) * | 2022-06-30 | 2022-09-27 | 齐鲁电缆有限公司 | Signal transmission monitoring data detection integrated power cable |
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