CN112415694A - Corrosion-resistant optical fiber bundle miniature optical cable - Google Patents
Corrosion-resistant optical fiber bundle miniature optical cable Download PDFInfo
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- CN112415694A CN112415694A CN202011486241.3A CN202011486241A CN112415694A CN 112415694 A CN112415694 A CN 112415694A CN 202011486241 A CN202011486241 A CN 202011486241A CN 112415694 A CN112415694 A CN 112415694A
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- Prior art keywords
- corrosion
- resistant
- layer
- rubber
- fiber bundle
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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
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a corrosion-resistant optical fiber bundle miniature optical cable in the technical field of optical cables, which comprises: a plurality of optical cable cores; the shock absorption inner protection layers are correspondingly coated on the outer walls of the optical cable cores one by one; the anti-bending armored shielding layer is coated on the outer walls of the plurality of shock absorption inner protection layers; the corrosion-resistant layer is coated on the outer wall of the anti-bending armor shielding layer; the outer protection layer is coated on the outer wall of the corrosion-resistant layer, the corrosion-resistant layer is formed by mixing polydopamine active groups, carbon fibers and corrosion-resistant rubber, the outer protection layer is formed by mixing hydrophobic silica, a fire retardant and wear-resistant rubber, and the corrosion resistance and the water resistance of the optical cable can be effectively improved by arranging the corrosion-resistant layer and the hydrophobic layer.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a corrosion-resistant optical fiber bundle miniature optical cable.
Background
Fiber optic cables are manufactured to meet optical, mechanical, or environmental performance specifications and utilize one or more optical fibers disposed in a covering jacket as the transmission medium and may be used individually or in groups as telecommunication cable assemblies. The optical cable is mainly composed of optical fibers (thin glass filaments like hair), a plastic protective sleeve and a plastic sheath, and metals such as gold, silver, copper and aluminum are not contained in the optical cable, so that the optical cable generally has no recycling value. The optical cable is a communication line which is formed by a certain number of optical fibers into a cable core in a certain mode, is externally coated with a sheath, and is also coated with an outer protective layer for realizing optical signal transmission. Namely: a cable formed by subjecting an optical fiber (optical transmission carrier) to a certain process. The basic structure of the optical cable generally comprises a cable core, a reinforcing steel wire, a filler, a sheath and other parts, and further comprises a waterproof layer, a buffer layer, an insulated metal wire and other components according to requirements.
The micro optical cable is a key component element in the access network and has the function of transmitting information. The optical transmission index of the micro optical cable is the same as that of the common optical cable, and the micro optical cable is shorter than the common optical cable in terms of external diameter, so the micro optical cable is called a micro cable for short.
The hydrophobic layer of the existing miniature optical cable is mainly used for hydrophobic treatment of the surface of rubber by using oily substances such as paraffin and the like, so that the waterproof performance of the optical cable is improved, dirt is easily formed on the surface of the optical cable due to certain adhesiveness of the oily substances, some corrosive dirt can corrode the surface of the optical cable, the service life of the optical cable is seriously influenced, the existing miniature optical cable is subjected to corrosion prevention by using the self corrosion resistance of the rubber, but the rubber has narrow corrosion resistance and can only resist corrosion of a small amount of corrosive substances.
Disclosure of Invention
The invention aims to provide a corrosion-resistant optical fiber bundle micro optical cable, which solves the problems that the hydrophobic layer of the existing micro optical cable proposed in the background technology is mainly used for hydrophobic treatment of the surface of rubber by using oily substances such as paraffin and the like, so that the waterproof performance of the optical cable is improved, dirt is easily formed on the surface of the optical cable due to certain adhesiveness of the oily substances, some corrosive dirt can corrode the surface of the optical cable, the service life of the optical cable is seriously influenced, the corrosion resistance of the existing micro optical cable is utilized for corrosion prevention, but the corrosion resistance of the rubber is narrow, and only a small amount of corrosion of corrosive substances can be resisted.
In order to achieve the purpose, the invention provides the following technical scheme: a corrosion resistant optical fiber bundle miniature cable comprising:
a plurality of optical cable cores;
the shock absorption inner protection layers are correspondingly coated on the outer walls of the optical cable cores one by one;
the central reinforcing rib is arranged on the inner sides of the shock absorption inner protection layers;
the anti-bending armored shielding layer is coated on the outer walls of the plurality of shock absorption inner protection layers;
the corrosion-resistant layer is coated on the outer wall of the anti-bending armor shielding layer;
the hydrophobic outer protective layer is coated on the outer wall of the corrosion-resistant layer.
Preferably, the shock absorbing inner sheath includes:
a first silicone rubber layer;
the shock absorption strips are uniformly embedded on the outer wall of the first silicon rubber layer in an annular shape, and are made of wave-shaped spring steel;
and the second silicon rubber layer is coated on the outer sides of the shock absorption strips.
Preferably, the bending-resistant armor shield includes:
a shielding layer;
the silica gel rods are uniformly embedded on the outer wall of the shielding layer in an annular shape;
the armor layer, the armor layer cladding is in the shielding layer and a plurality of on the outer wall of silica gel stick.
Preferably, the corrosion-resistant layer is formed by mixing polydopamine active groups, carbon fibers and corrosion-resistant rubber.
Preferably, the corrosion-resistant rubber is prepared by mixing any two or more of styrene-butadiene rubber, nitrile rubber, butyl rubber, chloroprene rubber, silicone rubber, fluororubber and polysulfide rubber.
Preferably, the hydrophobic outer protective layer is formed by mixing hydrophobic silica, a flame retardant and wear-resistant rubber.
Preferably, the hydrophobic silica is prepared by removing sodium ions from diluted water glass through ion exchange, adding hydrochloric acid to perform acid-heat reflux concentration, adding a dimethyldichlorosilane monomer solvent to perform hydrophobic treatment, removing the solvent and drying.
Preferably, the flame retardant is prepared by mixing any two or more of aluminum hypophosphite, diethyl aluminum hypophosphite, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule-coated red phosphorus, pentaerythritol, ammonium polyphosphate, aluminum hydroxide, magnesium hydroxide, triazine charring agent, zinc borate, carbon nano tube and montmorillonite.
Preferably, the wear-resistant rubber is formed by mixing any two or more of nitrile rubber, ethylene propylene diene monomer, butyl rubber, natural rubber and butadiene rubber.
Compared with the prior art, the invention has the beneficial effects that: the corrosion resistance and the water resistance of the optical cable can be effectively improved by arranging the corrosion-resistant layer and the hydrophobic layer, the corrosion-resistant layer is coated on the outer wall of the bending-resistant armor shielding layer and is formed by mixing the polydopamine active group, the carbon fiber and the corrosion-resistant rubber, the corrosion-resistant rubber is formed by mixing any two or more than two of styrene butadiene rubber, nitrile butadiene rubber, butyl rubber, chloroprene rubber, silicon rubber, fluororubber and polysulfide rubber, a compact carbon fiber layer is formed on the surface of the corrosion-resistant rubber by crosslinking the polydopamine active group and the active group in the carbon fiber, the carbon fiber has strong corrosion resistance, can resist the corrosion of acid, alkali and salt, can resist the corrosion of ultraviolet rays and radiation, can resist the corrosion of seawater and freshwater, improves the corrosion resistance of the rubber, and further improves the corrosion resistance of the optical cable, the hydrophobic outer protective layer is coated on the outer wall of the corrosion-resistant layer and is formed by mixing hydrophobic silicon dioxide, a flame retardant and wear-resistant rubber, the hydrophobic silicon dioxide is prepared by removing sodium ions from diluted water glass through ion exchange, adding hydrochloric acid for acid-heat reflux concentration, adding a dimethyl dichlorosilane monomer solvent for hydrophobization treatment, removing the solvent and drying, the flame retardant is prepared by mixing any two or more of aluminum hypophosphite, diethyl aluminum hypophosphite, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule-coated red phosphorus, pentaerythritol, ammonium polyphosphate, aluminum hydroxide, magnesium hydroxide, triazine char forming agents, zinc borate, carbon nano tubes and montmorillonite, and the wear-resistant rubber is prepared by mixing any two or more of nitrile rubber, ethylene propylene diene monomer, butyl rubber, natural rubber and cis-butadiene rubber, the hydrophobic silica forms a compact hydrophobic layer on the rubber, so that the waterproof capability of the optical cable is improved, and the hydrophobic silica does not have adhesion and cannot form corrosive dirt on the surface of the optical cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the shock absorbing inner shell of the present invention;
fig. 3 is a schematic structural view of the bending-resistant armor shielding layer of the invention.
In the figure: 100 optical cable cores, 200 shock absorption inner protective layers, 210 first silicon rubber layers, 220 shock absorption strips, 230 second silicon rubber layers, 300 central reinforcing ribs, 400 bending-resistant armored shielding layers, 410 shielding layers, 420 silicon rubber rods, 430 armor layers, 500 corrosion-resistant layers and 600 hydrophobic outer protective layers.
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.
The invention provides a corrosion-resistant optical fiber bundle miniature optical cable, which can effectively improve the corrosion resistance and the waterproof performance of the optical cable by arranging a corrosion-resistant layer and a hydrophobic layer, and please refer to fig. 1, wherein the corrosion-resistant optical fiber bundle miniature optical cable comprises the following components: the cable comprises a cable core 100, a shock absorption inner protective layer 200, a central reinforcing rib 300, an anti-bending armored shielding layer 400, a corrosion-resistant layer 500 and a hydrophobic outer protective layer 600;
referring to fig. 1 again, the plurality of optical cable cores 100 are arranged in a ring shape;
referring to fig. 1-2, the inner shock absorbing sheath 200 is correspondingly coated on the outer wall of the optical cable cores 100, and the inner shock absorbing sheath 200 includes:
the first silicone rubber layer 210 is coated on the outer wall of the optical cable core 100;
a plurality of damping strips 220 are uniformly embedded on the outer wall of the first silicon rubber layer 210 in an annular shape, and the damping strips 220 are wave-shaped spring steel;
the second silicone rubber layer 230 covers the outer sides of the plurality of shock-absorbing strips 220, reduces the external force through the elasticity of the shock-absorbing strips 220, and directly arranges the shock-absorbing strips 220 on the inner protective layer, so as to directly protect the cable cores;
referring to fig. 1 again, the central reinforcing rib 300 is disposed on the inner side of the plurality of shock-absorbing inner sheaths 200, the plurality of shock-absorbing inner sheaths 200 are uniformly distributed on the outer wall of the central reinforcing rib 300, and the central reinforcing rib 300 is a steel wire or a kevlar fiber wire, which can effectively enhance the tensile strength of the optical cable;
referring to fig. 1 to 3, the anti-bending armored shielding layer 400 is coated on the outer walls of the plurality of shock-absorbing inner sheaths 200, and the anti-bending armored shielding layer 400 includes:
the shielding layer 410 is coated on the outer wall of the second silicone rubber layer 230;
the silica gel rods 420 are uniformly embedded on the outer wall of the shielding layer 410 in an annular shape, and the bending angle of the optical cable is increased through the silica gel rods 420, so that the bending resistance of the optical cable is improved;
the armor layer 430 is coated on the outer walls of the shielding layer 410 and the plurality of silica gel rods 420;
referring to fig. 1 again, the corrosion-resistant layer 500 is coated on the outer wall of the anti-bending armor shielding layer 400, the corrosion-resistant layer 500 is formed by mixing poly-dopamine active groups, carbon fibers and corrosion-resistant rubber, the corrosion-resistant rubber is formed by mixing any two or more of styrene butadiene rubber, nitrile butadiene rubber, butyl rubber, chloroprene rubber, silicon rubber, fluororubber and polysulfide rubber, a compact carbon fiber layer is formed on the surface of the corrosion-resistant rubber by crosslinking the poly-dopamine active groups and the active groups in the carbon fibers, and the carbon fibers have strong corrosion resistance, can resist corrosion of acid, alkali and salt, can resist corrosion of ultraviolet rays and radiation, can resist corrosion of seawater and fresh water, improve the corrosion resistance of the rubber, and further improve the corrosion resistance of the optical cable;
referring to fig. 1 again, the outer hydrophobic protective layer 600 is coated on the outer wall of the corrosion-resistant layer 500, the outer hydrophobic protective layer 600 is formed by mixing hydrophobic silica, a flame retardant and wear-resistant rubber, the hydrophobic silica is prepared by ion-exchanging diluted water glass to remove sodium ions, adding hydrochloric acid to perform acid-heat reflux concentration, adding a dimethyldichlorosilane monomer solvent to perform hydrophobic treatment, removing the solvent and drying, the flame retardant is prepared by mixing any two or more of aluminum hypophosphite, diethyl aluminum hypophosphite, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule-coated red phosphorus, pentaerythritol, ammonium polyphosphate, aluminum hydroxide, magnesium hydroxide, triazine char forming agents, zinc borate, carbon nanotubes and montmorillonite, and the wear-resistant rubber is prepared by mixing any two or more of nitrile rubber, ethylene propylene diene monomer, butyl rubber, the optical cable is prepared by mixing any two or more of natural rubber and butadiene rubber, a compact hydrophobic layer is formed by the hydrophobic silica in the rubber, the waterproof capability of the optical cable is improved, and the hydrophobic silica does not have adhesiveness and cannot form corrosive dirt on the surface of the optical cable.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (9)
1. A corrosion-resistant optical fiber bundle miniature optical cable is characterized in that: the method comprises the following steps:
a plurality of optical cable cores (100);
the shock absorption inner protection layers (200) are coated on the outer walls of the optical cable cores (100) in a one-to-one correspondence mode;
a central reinforcing rib (300), the central reinforcing rib (300) being disposed inside the plurality of inner shock absorbing sheaths (200);
the anti-bending armored shielding layer (400) is coated on the outer walls of the shock absorption inner protection layers (200);
the corrosion-resistant layer (500), the corrosion-resistant layer (500) is coated on the outer wall of the bending-resistant armor shielding layer (400);
the outer protective layer (600) is covered on the outer wall of the corrosion-resistant layer (500).
2. The corrosion-resistant optical fiber bundle micro cable according to claim 1, wherein: the inner shock absorbing jacket (200) includes:
a first silicone rubber layer (210);
the shock absorption strips (220) are uniformly embedded on the outer wall of the first silicon rubber layer (210) in an annular shape, and the shock absorption strips (220) are made of wave-shaped spring steel;
the second silicon rubber layer (230), the said second silicon rubber layer (230) wraps the outside of a plurality of said shock-absorbing strips (220).
3. The corrosion-resistant optical fiber bundle micro cable according to claim 1, wherein: the anti-buckling armor shield (400) comprises:
a shielding layer (410);
the silica gel rods (420) are uniformly embedded on the outer wall of the shielding layer (410) in an annular shape;
an armor layer (430), the armor layer (430) cladding is on shielding layer (410) and a plurality of the outer wall of silica gel stick (420).
4. The corrosion-resistant optical fiber bundle micro cable according to claim 1, wherein: the corrosion-resistant layer (500) is formed by mixing polydopamine active groups, carbon fibers and corrosion-resistant rubber.
5. The corrosion-resistant optical fiber bundle micro cable according to claim 4, wherein: the corrosion-resistant rubber is prepared by mixing any two or more than two of styrene-butadiene rubber, nitrile rubber, butyl rubber, chloroprene rubber, silicone rubber, fluororubber and polysulfide rubber.
6. The corrosion-resistant optical fiber bundle micro cable according to claim 1, wherein: the hydrophobic outer protective layer (600) is formed by mixing hydrophobic silicon dioxide, a flame retardant and wear-resistant rubber.
7. The corrosion-resistant optical fiber bundle micro cable according to claim 6, wherein: the hydrophobic silicon dioxide is prepared by removing sodium ions from diluted water glass through ion exchange, adding hydrochloric acid to perform acid-heat reflux concentration, adding a dimethyl dichlorosilane monomer solvent to perform hydrophobic treatment, removing the solvent and drying.
8. The corrosion-resistant optical fiber bundle micro cable according to claim 6, wherein: the flame retardant is prepared by mixing any two or more of aluminum hypophosphite, diethyl aluminum hypophosphite, melamine polyphosphate, melamine pyrophosphate, melamine cyanurate, red phosphorus, microcapsule-coated red phosphorus, pentaerythritol, ammonium polyphosphate, aluminum hydroxide, magnesium hydroxide, triazine charring agent, zinc borate, carbon nano tube and montmorillonite.
9. The corrosion-resistant optical fiber bundle micro cable according to claim 6, wherein: the wear-resistant rubber is formed by mixing any two or more than two of nitrile rubber, ethylene propylene diene monomer, butyl rubber, natural rubber and butadiene rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486241.3A CN112415694A (en) | 2020-12-16 | 2020-12-16 | Corrosion-resistant optical fiber bundle miniature optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011486241.3A CN112415694A (en) | 2020-12-16 | 2020-12-16 | Corrosion-resistant optical fiber bundle miniature optical cable |
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| CN112415694A true CN112415694A (en) | 2021-02-26 |
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| CN202011486241.3A Pending CN112415694A (en) | 2020-12-16 | 2020-12-16 | Corrosion-resistant optical fiber bundle miniature optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116010A (en) * | 2021-04-26 | 2021-07-16 | 河北泰能鸿森医疗科技有限公司 | Butyronitrile gloves with wear-resistant fingers and preparation method thereof |
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|---|---|---|---|---|
| US6574400B1 (en) * | 1998-03-26 | 2003-06-03 | Corning Cable Systems Llc | Fiber optic cable with water blocking features |
| CN101927569A (en) * | 2009-06-26 | 2010-12-29 | 明安国际企业股份有限公司 | Method for manufacturing composite products with reversely flanged edges |
| CN204832598U (en) * | 2015-06-17 | 2015-12-02 | 顾琪超 | Optical cable with shock -absorbing function |
| CN106158117A (en) * | 2016-08-20 | 2016-11-23 | 成都云士达科技有限公司 | The anti-torsion cable that a kind of mechanical strength is high |
| CN106634449A (en) * | 2017-01-10 | 2017-05-10 | 滁州职业技术学院 | Recombined organosilicone modified epoxide resin water-based coat used for corrosion resistant electric power fitting and preparation method thereof |
| CN106814428A (en) * | 2017-04-11 | 2017-06-09 | 李晓强 | A kind of optical cable with enhancing structure |
| CN110045470A (en) * | 2019-04-08 | 2019-07-23 | 安徽长荣光纤光缆科技有限公司 | A kind of preparation method of the outdoor optical cable of pressure-resistant corrosion-resistant |
| CN111040410A (en) * | 2019-12-17 | 2020-04-21 | 安徽集讯科技有限公司 | Rubber-plastic alloy material with excellent oil resistance and corrosion resistance and preparation method thereof |
| CN111875830A (en) * | 2020-08-03 | 2020-11-03 | 江苏旭信机械制造有限公司 | Wear-resistant and corrosion-resistant nylon product and preparation method thereof |
-
2020
- 2020-12-16 CN CN202011486241.3A patent/CN112415694A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6574400B1 (en) * | 1998-03-26 | 2003-06-03 | Corning Cable Systems Llc | Fiber optic cable with water blocking features |
| CN101927569A (en) * | 2009-06-26 | 2010-12-29 | 明安国际企业股份有限公司 | Method for manufacturing composite products with reversely flanged edges |
| CN204832598U (en) * | 2015-06-17 | 2015-12-02 | 顾琪超 | Optical cable with shock -absorbing function |
| CN106158117A (en) * | 2016-08-20 | 2016-11-23 | 成都云士达科技有限公司 | The anti-torsion cable that a kind of mechanical strength is high |
| CN106634449A (en) * | 2017-01-10 | 2017-05-10 | 滁州职业技术学院 | Recombined organosilicone modified epoxide resin water-based coat used for corrosion resistant electric power fitting and preparation method thereof |
| CN106814428A (en) * | 2017-04-11 | 2017-06-09 | 李晓强 | A kind of optical cable with enhancing structure |
| CN110045470A (en) * | 2019-04-08 | 2019-07-23 | 安徽长荣光纤光缆科技有限公司 | A kind of preparation method of the outdoor optical cable of pressure-resistant corrosion-resistant |
| CN111040410A (en) * | 2019-12-17 | 2020-04-21 | 安徽集讯科技有限公司 | Rubber-plastic alloy material with excellent oil resistance and corrosion resistance and preparation method thereof |
| CN111875830A (en) * | 2020-08-03 | 2020-11-03 | 江苏旭信机械制造有限公司 | Wear-resistant and corrosion-resistant nylon product and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113116010A (en) * | 2021-04-26 | 2021-07-16 | 河北泰能鸿森医疗科技有限公司 | Butyronitrile gloves with wear-resistant fingers and preparation method thereof |
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Application publication date: 20210226 |