CN116224512A - Compression-resistant flame-retardant optical cable - Google Patents
Compression-resistant flame-retardant optical cable Download PDFInfo
- Publication number
- CN116224512A CN116224512A CN202211700865.XA CN202211700865A CN116224512A CN 116224512 A CN116224512 A CN 116224512A CN 202211700865 A CN202211700865 A CN 202211700865A CN 116224512 A CN116224512 A CN 116224512A
- Authority
- CN
- China
- Prior art keywords
- retardant
- flame
- layer
- optical cable
- compression
- 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.)
- Pending
Links
Images
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
- G02B6/4436—Heat resistant
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to the technical field of optical cables and discloses a compression-resistant flame-retardant optical cable, which comprises an optical cable body, wherein the optical cable body comprises an outer sheath, a compression-resistant flame-retardant member is arranged in an inner cavity of the outer sheath, the compression-resistant flame-retardant member is used for improving the compression-resistant flame-retardant fireproof performance of the optical cable body, a central reinforcing core is arranged in the inner cavity of the compression-resistant flame-retardant member, a filling rope is arranged on the outer surface of the central reinforcing core, an optical cable unit is arranged on the outer surface of the filling rope, a filling layer is filled in gaps among the central reinforcing core, the filling rope, the optical cable unit and the tensile rope, the outer sheath is formed by extruding a low-smoke halogen-free flame-retardant polyethylene sheath material, the cross section of the outer sheath is O-shaped, the compression-resistant flame-retardant member comprises a first flame-retardant layer, and the outer surface of the first flame-retardant layer is fixedly connected with the inner cavity of the outer sheath. The invention can not only improve the flame-retardant, fireproof and compression-resistant performance, but also prevent the optical fiber from being damaged.
Description
Technical Field
The invention relates to the technical field of optical cables, in particular to a compression-resistant flame-retardant optical cable.
Background
The optical cable is manufactured to meet the performance specifications of optics, machinery or environment, one or more optical fibers arranged in a coating sheath are used as transmission media, and can be used singly or in groups, the optical cable is a communication cable component, a certain number of optical fibers form a cable core in a certain mode, the outer sheath is coated outside the optical cable, the optical cable is a communication line used for realizing optical signal transmission, the basic structure of the optical cable generally consists of a cable core, reinforced steel wires, fillers, the sheath and the like, the optical cable is used as a basic material for communication and is laid on a large scale in the global scope along with the development of communication technology, the laid optical cable is mainly concentrated in GYS, GYSA, butterfly cables and other conventional optical cables, the functions and the structures of the optical cable are developed into various types along with the diversification of application environments, such as a rat-proof optical cable, a flame-retardant optical cable and the like, when the optical cable is applied to underground, tunnel, mine and other complex scenes, the requirements on the performance of the optical cable are higher, the optical cable is required to resist compression, the flame-retardant and fireproof performance is also required at this time, and the smooth communication performance is ensured when the collapse, the accident occurs, the compression resistance and the like is better.
The existing mining flame-retardant optical cable (MGTSV-4B 1 mining flame-retardant optical cable) is characterized in that a steel belt is wound on the outer side of an optical unit, a single-layer or two-side flame-retardant sheath is extruded on the outer side of the steel belt, and in practical application, the compression-resistant performance of the optical cable is found to be better, but the flame-retardant fireproof performance is still weaker, when a fire occurs under a mine, heat is easily conducted inwards, and the optical fiber is damaged, so that the compression-resistant flame-retardant optical cable is provided.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides the compression-resistant flame-retardant optical cable which has the advantages of improving the flame-retardant fireproof compression-resistant performance, preventing the optical fiber from being damaged and the like, and solving the problem that the optical fiber is damaged due to weaker flame-retardant fireproof performance.
(II) technical scheme
In order to achieve the purposes of improving the flame-retardant, fireproof and compression-resistant performance and preventing the optical fiber from being damaged, the invention provides the following technical scheme: the compression-resistant flame-retardant optical cable comprises an optical cable body, wherein the optical cable body comprises an outer sheath, a compression-resistant flame-retardant member is arranged in an inner cavity of the outer sheath, and the compression-resistant flame-retardant member is used for improving the compression-resistant flame-retardant fireproof performance of the optical cable body;
the inner cavity of the compression-resistant flame-retardant member is provided with a central reinforcing core, the outer surface of the central reinforcing core is provided with a filling rope, the outer surface of the filling rope is provided with an optical cable unit, the outer surface of the optical cable unit is provided with an anti-pulling rope, and gaps among the central reinforcing core, the filling rope, the optical cable unit and the anti-pulling rope are filled with filling layers.
As a preferable technical scheme of the invention, the outer sheath is formed by extruding a low-smoke halogen-free flame-retardant polyethylene sheath material, and the cross section of the outer sheath is O-shaped.
As a preferable technical scheme of the invention, the compression-resistant flame-retardant member comprises a first flame-retardant layer, wherein the outer surface of the first flame-retardant layer is fixedly connected with the inner cavity of the outer sheath, the inner cavity of the first flame-retardant layer is provided with a steel tape armor layer, the steel tape armor layer is arranged along the length direction of the first flame-retardant layer, the inner cavity of the steel tape armor layer is provided with a second flame-retardant layer, the inner cavity of the second flame-retardant layer is sheathed with an elastic tube, the inner cavity of the elastic tube is sheathed with an outer lining layer, and the optical cable unit, the anti-pulling rope and the filling layer are all positioned in the inner cavity of the outer lining layer.
As a preferable technical scheme of the invention, the first flame-retardant layer and the second flame-retardant layer are formed by winding flame-retardant glass fiber belts circumferentially.
As a preferable technical scheme of the invention, the elastic tube is made of polyurethane rubber, and the elastic tube is arranged along the length direction of the second flame retardant layer.
As a preferable technical scheme of the invention, the optical cable unit comprises an optical fiber, an insulating sleeve is sleeved and wrapped on the outer surface of the optical fiber, a cable paste is arranged on the outer surface of the insulating sleeve, an aramid fiber layer is wrapped on the outer surface of the cable paste, an inner protecting layer is wrapped on the outer surface of the aramid fiber layer, a double-sided plastic-coated aluminum belt is wrapped on the outer surface of the inner protecting layer, a third flame-retardant layer is wrapped on the outer surface of the double-sided plastic-coated aluminum belt, a shielding layer is wrapped on the outer surface of the third flame-retardant layer, and the shielding layer is positioned in an inner cavity of the compression-resistant flame-retardant member.
As a preferable technical scheme of the invention, the third flame retardant layer is formed by extrusion molding of a low-smoke halogen-free flame retardant material.
As a preferable technical scheme of the invention, the shielding layer is formed by weaving silver-plated copper alloy wires.
As a preferable technical scheme of the invention, the tensile rope is formed by twisting a plurality of strands of aramid yarns and a plurality of strands of glass fiber yarns.
As a preferred embodiment of the present invention, the filler layer is a viscous substance containing butadiene polymer as a main component.
(III) beneficial effects
Compared with the prior art, the invention provides the compression-resistant flame-retardant optical cable, which has the following beneficial effects:
1. according to the compression-resistant flame-retardant optical cable, the first flame-retardant layer formed by circumferential winding of the flame-retardant glass fiber tape, the steel tape armor layer, the second flame-retardant layer formed by circumferential winding of the flame-retardant glass fiber tape, the elastic tube formed by polyurethane rubber and the outer lining layer are arranged on one side of the inner cavity of the outer sheath, the outer lining layer at the innermost layer is sleeved with the central reinforcing core, the filling rope, the optical cable unit, the anti-pulling rope formed by mutually twisting the multiple strands of aramid yarns and the multiple strands of glass fiber yarns, and the filling layer taking the butadiene polymer as the main component, wherein the tensile property of the optical cable body is enhanced by the tensile rope formed by mutually twisting the multiple strands of aramid yarns and the multiple strands of glass fiber yarns, the filling layer taking the butadiene polymer as the main component plays roles of softness and protection, and then the outer sheath formed by extrusion molding of the low-smoke halogen-free flame-retardant polyethylene sheath material is sleeved with the compression-resistant flame-retardant member, so that the flame-retardant and compression-resistant optical cable unit is conveniently subjected to flame retardance and compression resistance, and the flame-resistant, and the flame-retardant effect of the traditional MGB mining flame-retardant and flame-retardant performance effect is better.
2. This fire-retardant optical cable of resistance to compression is through wrapping up aramid fiber layer, interior sheath, two-sided plastic-coated aluminium strip, by the third fire-retardant layer that low smoke and zero halogen flame retardant material extrusion molding formed and by the shielding layer that silver-plated copper alloy wire woven in proper order at the optic fibre surface that the parcel has insulating boot, then the clearance packing cable cream has the optic fibre surface of insulating boot at the parcel, sets up the optical cable unit at the inner chamber of the fire-retardant component of resistance to the convenience is fire-retardant to the optical cable unit, and then prevents that the optical cable unit is impaired.
Drawings
FIG. 1 is a front perspective view of the present invention;
FIG. 2 is a semi-sectional perspective view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a perspective view of a cable unit of the present invention;
fig. 5 is a schematic cross-sectional view of a cable unit of the present invention.
In the figure: 1. an optical cable body; 11. an outer sheath; 12. a pressure-resistant flame-retardant member; 121. a first flame retardant layer; 122. a steel tape armor layer; 123. a second flame retardant layer; 124. an elastic tube; 125. an outer liner layer; 13. a central reinforcing core; 14. a filling rope; 15. an optical cable unit; 151. an optical fiber; 152. an insulating sleeve; 153. cable paste; 154. an aramid layer; 155. an inner protective layer; 156. double-sided plastic-coated aluminum belts; 157. a third flame retardant layer; 158. a shielding layer; 16. an anti-pull rope; 17. and (5) a filling layer.
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.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-5, a compression-resistant flame-retardant optical cable comprises an optical cable body 1, wherein the optical cable body 1 comprises an outer sheath 11, a compression-resistant flame-retardant member 12 is arranged in an inner cavity of the outer sheath 11, and the compression-resistant flame-retardant member 12 is used for improving the compression-resistant flame-retardant fireproof performance of the optical cable body 1;
the inner chamber of resistance to compression fire-retardant component 12 is provided with central enhancement core 13, and the surface of central enhancement core 13 is provided with filling rope 14, and the surface of filling rope 14 is provided with optical cable unit 15, and the surface of optical cable unit 15 is provided with resistance to stretching wire 16, and the clearance between central enhancement core 13, filling rope 14, optical cable unit 15, the tensile rope 16 all is filled with filling layer 17.
Specifically, the outer sheath 11 is formed by extrusion molding of a low-smoke halogen-free flame retardant polyethylene sheath material, and the cross section of the outer sheath 11 is O-shaped.
In this embodiment, the outer sheath 11 is formed by extrusion molding of a low smoke halogen-free flame retardant polyethylene sheath material, and the cross section of the outer sheath 11 is O-shaped, so that the optical cable body 1 is conveniently flame-retardant and fireproof, and the optical cable unit 15 is prevented from being damaged.
Specifically, the fire-retardant component 12 of resistance to compression includes first fire-retardant layer 121, fixed connection between the surface of first fire-retardant layer 121 and the inner chamber of oversheath 11, the inner chamber of first fire-retardant layer 121 is provided with steel tape armor 122, and steel tape armor 122 sets up along the length direction of first fire-retardant layer 121, the inner chamber of steel tape armor 122 is provided with the fire-retardant layer 123 of second, the inner chamber of fire-retardant layer 123 of second has cup jointed elastic tube 124, outer lining 125 has been cup jointed to the inner chamber of elastic tube 124, optical cable unit 15, anti stay cord 16, filling layer 17 all are located outer lining 125 inner chamber.
In this embodiment, through set up first fire-retardant layer 121 in outer sheath 11 inner chamber one side, the steel tape armor layer 122 of parcel in first fire-retardant layer 121 inner chamber, the second fire-retardant layer 123 of parcel in steel tape armor layer 122 inner chamber, the elastic tube 124 of parcel in second fire-retardant layer 123 inner chamber and the outer lining 125 of parcel in the elastic tube 124 inner chamber, and the outer lining 125 that is in the innermost cup joints the parcel and live optical cable unit 15, the resistance to pulling rope 16, filling layer 17, thereby the convenience is carried out fire-retardant fire prevention resistance to compression to optical cable unit 15, and with traditional MGTSV-4B1 mining fire-retardant optical cable fire-retardant fire prevention resistance to compression performance effect is better.
Specifically, the first flame retardant layer 121 and the second flame retardant layer 123 are formed by winding a flame retardant glass fiber tape in the circumferential direction.
In this embodiment, the first flame retardant layer 121 and the second flame retardant layer 123 are formed by winding a flame retardant glass fiber tape in the circumferential direction, thereby facilitating flame retarding and fire prevention.
Specifically, the elastic tube 124 is made of polyurethane rubber, and the elastic tube 124 is disposed along the length direction of the second flame retardant layer 123.
In this embodiment, the elastic tube 124 is made of polyurethane rubber, and the elastic tube 124 is disposed along the length direction of the second flame retardant layer 123, so as to facilitate compression resistance.
Specifically, the optical cable unit 15 includes an optical fiber 151, an insulating sleeve 152 is sleeved on the outer surface of the optical fiber 151, a cable paste 153 is arranged on the outer surface of the insulating sleeve 152, an aramid fiber layer 154 is wrapped on the outer surface of the cable paste 153, an inner protection layer 155 is wrapped on the outer surface of the aramid fiber layer 154, a double-sided plastic-coated aluminum belt 156 is wrapped on the outer surface of the inner protection layer 155, a third flame-retardant layer 157 is wrapped on the outer surface of the double-sided plastic-coated aluminum belt 156, a shielding layer 158 is wrapped on the outer surface of the third flame-retardant layer 157, and the shielding layer 158 is located in the inner cavity of the compression-resistant flame-retardant member 12.
In this embodiment, the outer surface of the optical fiber 151 wrapped with the insulating sleeve 152 is sequentially wrapped with the aramid fiber layer 154, the inner protective layer 155 wrapped on the outer surface of the aramid fiber layer 154, the double-sided plastic-coated aluminum tape 156 wrapped on the outer surface of the inner protective layer 155, the third flame retardant layer 157 wrapped on the outer surface of the double-sided plastic-coated aluminum tape 156, and the shielding layer 158 wrapped on the outer surface of the third flame retardant layer 157, then the cable paste 153 is gap-filled on the outer surface of the optical fiber 151 wrapped with the insulating sleeve 152, and the optical cable unit 15 is arranged in the inner cavity of the compression-resistant flame retardant member 12, so that the optical cable unit 15 is conveniently subjected to flame retardance and fire prevention, and further the optical cable unit 15 is prevented from being damaged.
Specifically, the third flame retardant layer 157 is extruded from a low smoke, halogen-free flame retardant material.
In this embodiment, the third flame retardant layer 157 is extruded from a low smoke, halogen free flame retardant material to facilitate flame and fire resistance.
Specifically, the shielding layer 158 is woven from silver-plated copper alloy wires.
In this embodiment, the shielding layer 158 is woven from silver-plated copper alloy wires to facilitate shielding.
Specifically, the tensile cord 16 is formed by twisting a plurality of aramid yarns and a plurality of glass fiber yarns.
In this embodiment, the tensile cord 16 is formed by twisting a plurality of aramid yarns and a plurality of glass fiber yarns, so that the tensile property of the tensile cord is conveniently improved.
Specifically, the filler layer 17 is a viscous substance containing a butadiene polymer as a main component.
In this embodiment, the filler layer 17 is a viscous substance made of butadiene polymer as a main component, and is filled in the optical cable body 1 to provide a soft and protective effect.
Working principle: when in use, the outer surface of the optical fiber 151 wrapped with the insulating sleeve 152 is sequentially wrapped with the aramid fiber layer 154, the inner protective layer 155, the double-sided plastic-coated aluminum tape 156, the third flame-retardant layer 157 formed by extrusion molding of the low-smoke halogen-free flame-retardant material and the shielding layer 158 formed by braiding of the silver-plated copper alloy wire, then the cable paste 153 is filled in the gap of the outer surface of the optical fiber 151 wrapped with the insulating sleeve 152, and the optical cable unit 15 is arranged in the inner cavity of the compression-resistant flame-retardant member 12, so that the optical cable unit 15 is convenient to be subjected to flame retardance and fire prevention, and the optical cable unit 15 is prevented from being damaged;
the inner cavity side of the outer sheath 11 is provided with a first flame retardant layer 121 formed by circumferential winding of a flame-retardant glass fiber tape, a steel tape armor layer 122, a second flame retardant layer 123 formed by circumferential winding of the flame-retardant glass fiber tape, an elastic tube 124 formed by polyurethane rubber and an outer lining layer 125, and the outer lining layer 125 at the innermost layer is sleeved with a central reinforcing core 13, a filling rope 14, an optical cable unit 15, a pull-resistant rope 16 formed by mutually twisting a plurality of aramid yarns and a plurality of glass fiber yarns, and a filling layer 17 taking butadiene polymer as a main component, wherein the tensile property of the optical cable body 1 is enhanced by the tensile rope 16 formed by mutually twisting the plurality of aramid yarns and the plurality of glass fiber yarns, the filling layer 17 taking butadiene polymer as the main component plays soft and protective roles, and then the outer sheath 11 formed by extrusion molding of a low-smoke halogen-free flame retardant polyethylene sheath material is sleeved and wrapped on the compression-resistant flame retardant member 12, so that the flame-retardant and compression-resistant performance of the traditional TSV-4B1 mining flame-retardant optical cable is better, and the flame-retardant and compression-resistant performance-resistant device can not only improve the flame-resistant performance of the optical cable unit 15, but also can prevent the flame-resistant performance from being damaged.
It should be noted that in this document, terms such as "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 one … …" 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 (10)
1. The utility model provides a fire-retardant optical cable of resistance to compression, includes optical cable body (1), its characterized in that: the optical cable body (1) comprises an outer sheath (11), wherein an inner cavity of the outer sheath (11) is provided with a compression-resistant flame-retardant member (12), and the compression-resistant flame-retardant member (12) is used for improving the compression-resistant flame-retardant fireproof performance of the optical cable body (1);
the inner cavity of the compression-resistant flame-retardant member (12) is provided with a central reinforcing core (13), the outer surface of the central reinforcing core (13) is provided with a filling rope (14), the outer surface of the filling rope (14) is provided with an optical cable unit (15), and the outer surface of the optical cable unit (15) is provided with an anti-pulling rope (16);
gaps among the central reinforcing core (13), the filling ropes (14), the optical cable units (15) and the tensile ropes (16) are filled with filling layers (17).
2. The pressure-resistant flame-retardant optical cable of claim 1, wherein: the outer sheath (11) is formed by extrusion molding of a low-smoke halogen-free flame-retardant polyethylene sheath material, and the cross section of the outer sheath (11) is O-shaped.
3. The pressure-resistant flame-retardant optical cable of claim 1, wherein: the compression-resistant flame-retardant member (12) comprises a first flame-retardant layer (121), wherein the outer surface of the first flame-retardant layer (121) is fixedly connected with the inner cavity of the outer sheath (11), a steel tape armor layer (122) is arranged in the inner cavity of the first flame-retardant layer (121), the steel tape armor layer (122) is arranged along the length direction of the first flame-retardant layer (121), and a second flame-retardant layer (123) is arranged in the inner cavity of the steel tape armor layer (122);
the inner cavity of the second flame retardant layer (123) is sleeved with an elastic tube (124), the inner cavity of the elastic tube (124) is sleeved with an outer lining layer (125), and the optical cable unit (15), the tensile rope (16) and the filling layer (17) are all located in the inner cavity of the outer lining layer (125).
4. A pressure resistant flame retardant fiber optic cable according to claim 3, wherein: the first flame retardant layer (121) and the second flame retardant layer (123) are formed by winding flame retardant glass fiber belts circumferentially.
5. A pressure resistant flame retardant fiber optic cable according to claim 3, wherein: the elastic tube (124) is made of polyurethane rubber, and the elastic tube (124) is arranged along the length direction of the second flame retardant layer (123).
6. The pressure-resistant flame-retardant optical cable of claim 1, wherein: the optical cable unit (15) comprises an optical fiber (151), an insulating sleeve (152) is sleeved and wrapped on the outer surface of the optical fiber (151), a cable paste (153) is arranged on the outer surface of the insulating sleeve (152), and an aramid fiber layer (154) is wrapped on the outer surface of the cable paste (153);
the outer surface of aramid fiber layer (154) is wrapped with inner sheath (155), the outer surface of inner sheath (155) is wrapped with two-sided plastic-coated aluminum tape (156), the outer surface of two-sided plastic-coated aluminum tape (156) is wrapped with third flame retardant layer (157), the outer surface of third flame retardant layer (157) is wrapped with shielding layer (158), shielding layer (158) is located the inner chamber of resistance to compression flame retardant component (12).
7. The pressure resistant flame retardant fiber optic cable of claim 6, wherein: the third flame retardant layer (157) is extruded from a low smoke, halogen free flame retardant material.
8. The pressure resistant flame retardant fiber optic cable of claim 6, wherein: the shielding layer (158) is woven by silver-plated copper alloy wires.
9. The pressure-resistant flame-retardant optical cable of claim 1, wherein: the tensile rope (16) is formed by twisting a plurality of strands of aramid yarns and a plurality of strands of glass fiber yarns.
10. The pressure-resistant flame-retardant optical cable of claim 1, wherein: the filler layer (17) is a viscous substance containing butadiene polymer as a main component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211700865.XA CN116224512A (en) | 2022-12-28 | 2022-12-28 | Compression-resistant flame-retardant optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211700865.XA CN116224512A (en) | 2022-12-28 | 2022-12-28 | Compression-resistant flame-retardant optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116224512A true CN116224512A (en) | 2023-06-06 |
Family
ID=86579595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211700865.XA Pending CN116224512A (en) | 2022-12-28 | 2022-12-28 | Compression-resistant flame-retardant optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116224512A (en) |
-
2022
- 2022-12-28 CN CN202211700865.XA patent/CN116224512A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4818060A (en) | Optical fiber building cables | |
| US5748823A (en) | Single-tube plenum ribbon cable | |
| EP3270201B1 (en) | Fiber optic cable | |
| CA3006752A1 (en) | Coextruded jacket for flame retardant fiber optic cables | |
| RU2535603C2 (en) | Electrical cold-resistant flame-retarding cable, essentially explosion- and flame-proof, for spark-proof circuits | |
| WO2015024443A1 (en) | Double-layer stranded all-dry type optical cable | |
| WO2021022760A1 (en) | Air-blowing micro-cable | |
| CN211125081U (en) | Armored photoelectric composite cable | |
| CN103456410A (en) | Low smoke halogen-free flame retardant photoelectric composite cable for ships and manufacturing method thereof | |
| CN111190257A (en) | Indoor and outdoor dual-purpose optical cable | |
| KR100423232B1 (en) | A riser rated optical fiber cable | |
| CN219552730U (en) | Abrasion-resistant optical fiber cable | |
| CN116224512A (en) | Compression-resistant flame-retardant optical cable | |
| CN217467290U (en) | Anti-cracking flame-retardant optical cable | |
| CN206331812U (en) | LSOH anti-flaming armouring photoelectric composite low-pressure cable | |
| CN215264168U (en) | Loose sleeve layer stranded optical cable | |
| CN211263885U (en) | Flame-retardant optical cable | |
| CN205620586U (en) | Power communication optical cable of deep diving resistance to compression under water | |
| CN210489270U (en) | Armored double-sheath photoelectric composite cable | |
| KR102007152B1 (en) | Buried cable with flexibility | |
| CN211427899U (en) | A novel fire prevention shielded cable for electron field | |
| CN209912577U (en) | B1-grade flame-retardant intercity rail transit cable | |
| CN211628747U (en) | Waterproof fireproof cable of high elasticity | |
| CN210015717U (en) | Light rat-proof and termite-proof instrument wire harness | |
| CN215067460U (en) | Fire-resistant optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |