CN112863745A - Coaxial photoelectric composite cable structure - Google Patents
Coaxial photoelectric composite cable structure Download PDFInfo
- Publication number
- CN112863745A CN112863745A CN202110043503.7A CN202110043503A CN112863745A CN 112863745 A CN112863745 A CN 112863745A CN 202110043503 A CN202110043503 A CN 202110043503A CN 112863745 A CN112863745 A CN 112863745A
- Authority
- CN
- China
- Prior art keywords
- optical unit
- cable
- insulating layer
- optical
- flexible
- 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
-
- 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
-
- 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
-
- 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
- H01B7/02—Disposition of insulation
-
- 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
-
- 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
- H01B7/20—Metal tubes, e.g. lead sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Communication Cables (AREA)
Abstract
The invention relates to the technical field of photoelectric composite cables, in particular to a coaxial photoelectric composite cable structure which comprises a cable protective sleeve, an insulating layer, a conductor, an optical unit insulating layer and a flexible armored optical unit; the flexible armored optical unit is located at the central shaft of the whole cable, the optical unit insulating layer is located on the outer wall of the flexible armored optical unit, and the optical unit insulating layer completely wraps the outer wall of the flexible armored optical unit. The invention has the advantages that: through having set up flexible armor optical unit, and flexible armor optical unit is including the armour pipe, filling layer and optic fibre bundle, the armour pipe is spiral tubular structure, flexible armor optical unit is located the center department of whole root cable, because steel armour pipe is spiral tubular structure, the armour pipe provides a passageway for optic fibre, the transmission of passing through power reaches the external force of using optic fibre, make the optic fibre bundle obtain the protection of armour pipe, the resistance to compression and the anti-bending ability of photoelectric composite optical cable part have been promoted, make things convenient for in-service use.
Description
Technical Field
The invention relates to the technical field of photoelectric composite cables, in particular to a coaxial photoelectric composite cable structure.
Background
The photoelectric composite cable is a cable combining an optical cable and an electric cable together, integrates an optical fiber and a transmission conductor wire into a whole to be used as a transmission line, and can solve the problems of optical access, equipment power consumption, signal transmission and the like; the photoelectric composite cable is suitable for insulating communication optical cables, traffic communication optical cable engineering, square optical cable engineering, overhead optical cable construction, power optical cable engineering, high-altitude optical cable construction and the like.
The structure of the traditional product is as follows: RVV, electrical round copper wire inner conductor, polyvinyl chloride insulation, filling rope and polyvinyl chloride sheath GYTS: glass fiber conductor + UV solidification coating layer + high strength phosphating steel wire + coating steel band + polyethylene sheath, the product structure is mostly the form tied in a bundle, or one or more cables are axis center optic fibre bundle around the cable distribution, and electric conductor and light conductor are each other the axle parallel relation in the axial to this kind of structure essence, transversely are non-coaxial relation, have following problem in-service use: the conductor unit is difficult to restore the possibility that can increase the macrobend and the microbend of optic fibre and increase if produce deformation, and the light attenuation increases, and light transmission performance descends, and anti-buckling is not good with the resistance to compression effect, leads to optic fibre to damage easily, because each unit cross section diameter stack can lead to the compound cable diameter grow of photoelectricity moreover, and whole cable is bulky, and weight is heavy.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a coaxial photoelectric composite cable structure and effectively overcomes the defects in the prior art.
The purpose of the invention is realized by the following technical scheme: a coaxial photoelectric composite cable structure comprises a cable protective sleeve, an insulating layer, a conductor, an optical unit insulating layer, a flexible armored optical unit and a tensile element;
the flexible armored optical unit is positioned at the central shaft of the whole cable, the optical unit insulating layer is positioned on the outer wall of the flexible armored optical unit, and the optical unit insulating layer completely wraps the outer wall of the flexible armored optical unit;
the cable protective sleeve is positioned on the outermost side of the whole cable, and more than one insulating layer is arranged between every two electric conductors;
the flexible armored optical unit comprises an armored pipe, a filling layer and an optical fiber bundle;
the tensile element is located at any position within the cable protective sheath.
The armored pipe is of a steel spiral tubular structure, the filling layer is located in the steel armored pipe, the diameter of the filling layer is matched with the diameter of the inner wall of the steel armored pipe, so that the compression resistance and the bending resistance of an optical fiber bundle are improved under the protection of the steel armored pipe, the filling layer can meet the tensile or water-blocking performance of the optical unit through selection of materials, and practical use is facilitated.
The optical fiber bundle is composed of one or a plurality of optical fibers, the optical fibers of the optical fiber bundle can be bare fibers, tight-buffered optical fibers, and the optical fibers can be wrapped or paralleled by a filling layer.
The cable protective sleeve, the insulating layer, the electric conductor and the optical unit insulating layer all use the flexible armored optical unit as an axis, and the cable protective sleeve, the insulating layer, the electric conductor, the optical unit insulating layer and the flexible armored optical unit are tightly attached to each other, so that the flexible armored optical unit is located at the center of the whole cable, and the protection effect on optical fibers is improved.
The electric conductors and the insulating layers are respectively provided with a plurality of electric conductors which are respectively positioned among the insulating layers, and the insulating layers are used for isolating the passages among the electric conductors and preventing short circuit.
The invention has the following advantages:
1. the coaxial photoelectric composite cable structure is provided with a flexible armored optical unit, wherein the flexible armored optical unit comprises a steel armored pipe, a possible filling layer and an optical fiber bundle, the steel armored pipe is in a spiral tubular structure, a filler is positioned in the steel armored pipe, the optical fiber bundle consists of one or more optical fibers, the optical fibers in the optical fiber bundle are distributed in a bundle shape, the filling layer possibly exists between the optical fibers in the optical fiber bundle for separating or is wrapped by the filling layer, meanwhile, a cable protective sleeve, an optical unit insulating layer and a conductor adopting a weaving, winding and twisting mode take the flexible armored optical unit as a central shaft, the conductor adopting a direct laying mode takes the flexible armored optical unit as the central shaft and is annularly arranged outside the optical unit insulating layer, the cable protective sleeve, the optical unit insulating layer, the conductor, the insulating layer and the flexible armored optical unit are tightly attached to each other, so that the flexible armored optical unit can be positioned at the center of the whole cable, because the steel armor pipe is of a spiral tubular structure, the armor pipe provides a channel for the optical fiber, and external force transmitted to the optical fiber through the force is isolated, so that the optical fiber bundle is protected by the armor pipe, the compression resistance and bending resistance of the photoelectric composite cable part are improved, and the practical use is facilitated.
2. The coaxial photoelectric composite cable structure is characterized in that an optical unit insulating layer, a weaving or winding twisted conductor and an insulating layer are arranged, the weaving or winding twisted conductor is woven into a tubular shape, the weaving or winding twisted conductor is positioned between a cable protective sleeve and the optical unit insulating layer, the weaving or winding twisted conductor completely wraps the outer wall of the optical unit insulating layer or the insulating layer, the insulating layer completely wraps the outer wall of the weaving or winding twisted conductor, the cable protective sleeve is positioned at the outermost side of a cable, a plurality of weaving, winding, twisting or straight laying conductors can be arranged between the cable protective sleeve and the optical unit insulating layer, the plurality of conductors adopting the weaving or winding twisted form are sequentially and radially superposed by taking an optical unit as a central shaft, the insulating layer is arranged between every two conductors, and the conductors adopting the straight laying mode are annularly arranged around the outer wall of an armored optical, the reasonable conductor arrangement mode can minimize the external diameter of the whole cable as much as possible, because the armored optical unit is located at the center of the cable, the probability of optical fiber damage is reduced, and simultaneously because of the reduction of the cable, the armored pipe gives a reasonable channel to the optical fiber, the bending radius of the cable is greatly reduced, the weight is reduced, and the use is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic structural view of an armor tube of the present invention;
FIG. 5 is a schematic structural diagram according to a first embodiment of the present invention;
fig. 6 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: the cable comprises 1-cable protective sleeve, 2-insulating layer, 3-electric conductor, 4-optical unit insulating layer, 5-flexible armored optical unit, 501-armored pipe, 502-filling layer and 503-optical fiber bundle.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1 to 4, a coaxial optical-electrical composite cable structure includes a cable protective sleeve 1, an insulating layer 2, a conductor 3, an optical unit insulating layer 4, a flexible armored optical unit 5 and a tensile element;
the flexible armored optical unit 5 is positioned at the central shaft of the whole cable, the optical unit insulating layer 4 is positioned on the outer wall of the flexible armored optical unit 5, and the optical unit insulating layer 4 completely wraps the outer wall of the flexible armored optical unit 5;
the electric conductor 3 is positioned between the optical unit insulating layer 4 and the insulating layer 2, the electric conductor 3 can exist in a weaving, winding, twisting or direct laying mode according to the requirements of conductive load and quantity, one or a plurality of electric conductors 3 can be arranged according to the actual requirement, the electric conductors 3 all use the flexible armored optical unit 5 as a central shaft, the electric conductor 3 is positioned on the outer wall of the optical unit insulating layer 4, the insulating layer 2 completely wraps the outer wall of the electric conductor 3, the cable protective sleeve 1 is positioned on the outermost side of the whole cable, and more than one insulating layer 2 is arranged between every two electric conductors 3;
the flexible armored optical unit 5 comprises an armored pipe 501, a filling layer 502 and an optical fiber bundle 503;
the tensile element is located the optional component of optical-electrical composite cable at arbitrary position in cable protective sheath 1, and tensile element lays in arbitrary position in the protective sheath according to the tensile requirement.
As an optional technical scheme of the invention: the armor pipe 501 is of a spiral tubular structure, the filling layer 502 is located in the armor pipe 501, the diameter of the filling layer 502 is matched with that of the inner wall of the armor pipe 501, the armor pipe 501 can be made of materials which can be changed according to requirements of a use environment, if copper or steel is used, the structure of the armor pipe still adopts the spiral tubular structure, and the copper has good conductivity and can be used as an electrode of a photoelectric composite cable, so that the practical use is facilitated.
As an optional technical scheme of the invention: the optical fiber bundle 503 is composed of a plurality of optical fibers, the optical fiber bundle 503 is completely wrapped by the filling layer 502, the optical fibers in the optical fiber bundle 503 are distributed in an annular array, the optical fibers in the optical fiber bundle 503 are separately wrapped by the filling layer 502, and in specific implementation, the optical fibers in the steel armored pipe 501 of the armored optical unit can adopt formed bundled optical fibers, so that the length consistency of the optical fibers is ensured, and the optical transmission signal delay rate of each optical fiber is ensured to be consistent.
As an optional technical scheme of the invention: cable protective sheath 1, insulating layer 2, electric conductor 3 and light unit insulating layer 4 all use flexible armor light unit 5 as the axle center, cable protective sheath 1, insulating layer 2, electric conductor 3, light unit insulating layer 4, closely laminate each other between the flexible armor light unit 5, make flexible armor light unit 5 be located the center department of whole root cable, make its protective strength grow, because optical fiber bundle 503 compares electric conductor 3 more fragile, make it be located the axle center, the protective effect is better, the overall arrangement is more reasonable, filling layer 502 in the 5 steel armor pipes 501 of armor light unit adopts from taking insulating electric conductor, can increase the electrode number of leading.
As an optional technical scheme of the invention: conductor 3 and insulating layer 2 all have a plurality of, and a plurality of conductor 3 are located between a plurality of insulating layers 2 and the light unit insulating layer 4 respectively, and when in actual use, can set up the multilayer as required and weave or twine transposition conductor 3, can effectively reduce the whole diameter of cable, and every more one deck is woven or twines transposition conductor 3, only need weave or twine 3 outer walls of transposition conductor wrap up one deck insulating layer 2 can in the one deck that exceeds. And each layer of braided or wound stranded conductor 3 is added, so that the thickness of the wall thickness of the braided or wound stranded conductor 3 and the insulating layer 2 is increased, and the number of the insulating layers is reduced.
The first embodiment is as follows: as shown in fig. 5, the electrical conductors 3 are braided cables, and the electrical conductors 3 are all centered on the flexible armored optical unit 5, which has the following advantages: the electric conductors 3 exist in a weaving or winding twisting mode, the electric conductors 3 in the weaving or winding twisting mode are sequentially and radially superposed by taking the armored optical unit 5 as a central shaft, the insulating layer 2 is arranged between every two electric conductors 3, the external diameter of the whole cable can be reduced as much as possible by the reasonable arrangement mode of the electric conductors 3, the armored optical unit 5 is positioned at the center of the cable, the probability of optical fiber damage is reduced, the pressure resistance of the armored pipe 501 of the armored optical unit 5 greatly improves the safety of the cable, the armored pipe 501 provides a reasonable channel for the optical fiber, the bending radius of the cable is greatly reduced, and the cable is convenient to use.
Example two: as shown in fig. 6, the electrical conductors 3 are single independent cables, the electrical conductors 3 are distributed in an annular array around the outside of the armored optical unit 5, the electrical conductors 3 are distributed in a straight spread manner, the electrical conductors 3 are all parallel to the armored optical unit 5, the embodiment has the advantages that the electrical conductors 3 in the straight spread manner are annularly arranged outside the insulated layer of the armored optical unit 5 by taking the flexible armored optical unit 5 as a central shaft, the cable protective sleeve 1, the optical unit insulated layer 4, the electrical conductors 3, the insulated layer 2 and the flexible armored optical unit 5 are tightly attached to each other, the flexible armored optical unit 5 can be positioned at the center of the whole cable, because the steel armored pipe 501 is in a spiral tubular structure, the armored pipe 501 provides a channel for optical fibers, and isolates external force transmitted to the optical fibers through the force, so that the optical fiber bundle is protected by the armored pipe 501, and the compression resistance and bending resistance of the optical portion of the optical-electrical composite cable are improved, is convenient for practical use.
The invention has the following advantages: when a user uses the cable, the flexible armored optical unit 5 is arranged, the flexible armored optical unit 5 comprises a steel armored pipe 501, a filling layer 502 and an optical fiber bundle 503, the steel armored pipe 501 is in a spiral tubular structure, the filling layer 502 which may exist is positioned inside the steel armored pipe 501, the diameter of the filling layer 502 is matched with the diameter of the inner wall of the steel armored pipe 501, the optical fiber bundle 503 is composed of a plurality of optical fibers, meanwhile, the cable protective sleeve 1, the optical unit insulating layer 4, the braided or wound stranded conductor 3 and the insulating layer 2 all use the flexible armored optical unit 5 as a central shaft, the cable protective sleeve 1, the optical unit insulating layer 4, the braided or wound stranded conductor 3, the insulating layer 2 and the flexible armored optical unit 5 are tightly attached to each other, the flexible armored optical unit 5 is positioned at the central shaft center of the whole cable, and the steel armored optical unit 501 is in a spiral tubular structure and has excellent lateral pressure resistance, the effect of external force to optic fibre has been kept apart, has reduced the impaired probability of optic fibre, has increased the compressive capacity of optoelectrical composite cable, and flexible armour pipe 501 gives optic fibre a reasonable passageway simultaneously, and bend radius is littleer, does benefit to the construction and lays.
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 (5)
1. The utility model provides a coaxial photoelectricity composite cable structure which characterized in that: the flexible armored optical unit comprises a cable protective sleeve (1), an insulating layer (2), an electric conductor (3), an optical unit insulating layer (4), a flexible armored optical unit (5) and a tensile element;
the flexible armored optical unit (5) is positioned at the central shaft of the whole cable, the optical unit insulating layer (4) is positioned on the outer wall of the flexible armored optical unit (5), and the optical unit insulating layer (4) completely wraps the outer wall of the flexible armored optical unit (5);
the cable protection sleeve is characterized in that the electric conductor (3) is positioned between the optical unit insulation layer (4) and the insulation layer (2), the electric conductor (3) takes the flexible armored optical unit (5) as a central shaft, the electric conductor (3) is positioned on the outer wall of the optical unit insulation layer (4), the insulation layer (2) completely wraps the outer wall of the electric conductor (3), the cable protection sleeve (1) is positioned on the outermost wall of the whole cable, and more than one insulation layer (2) is arranged between every two electric conductors (3);
the flexible armored optical unit (5) comprises an armored pipe (501), a filling layer (502) and an optical fiber bundle (503); the tensile element is located at any position in the cable protective sleeve (1).
2. The coaxial optical-electrical composite cable structure of claim 1, wherein: the armor pipe (501) is of a spiral tubular structure, the filling layer (502) is located inside the armor pipe (501), and the diameter of the filling layer (502) is matched with that of the inner wall of the armor pipe (501).
3. The coaxial optical-electrical composite cable structure of claim 1, wherein: the optical fiber bundle (503) is composed of 1 or a plurality of optical fibers, and the optical fiber bundle (503) and the filling layer (502) are distributed in a bundle shape or are wrapped by the filling layer (502).
4. The coaxial optical-electrical composite cable structure of claim 1, wherein: the cable protective sleeve (1), the insulating layer (2), the electric conductor (3) and the optical unit insulating layer (4) all use the flexible armored optical unit (5) as an axis, and the cable protective sleeve (1), the insulating layer (2), the electric conductor (3), the optical unit insulating layer (4) and the flexible armored optical unit (5) are tightly attached to each other.
5. The coaxial optical-electrical composite cable structure of claim 1, wherein: the number of the electric conductors (3) and the number of the insulating layers (2) are respectively a plurality of the electric conductors (3) which are respectively positioned between the insulating layers (2) and the optical unit insulating layers (4) or the insulating layers (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110043503.7A CN112863745A (en) | 2021-01-13 | 2021-01-13 | Coaxial photoelectric composite cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110043503.7A CN112863745A (en) | 2021-01-13 | 2021-01-13 | Coaxial photoelectric composite cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112863745A true CN112863745A (en) | 2021-05-28 |
Family
ID=76003466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110043503.7A Pending CN112863745A (en) | 2021-01-13 | 2021-01-13 | Coaxial photoelectric composite cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112863745A (en) |
-
2021
- 2021-01-13 CN CN202110043503.7A patent/CN112863745A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2273425C (en) | Composite cable for access networks | |
| JP6641428B2 (en) | HDMI optical / electrical composite cable and method of manufacturing the same | |
| US4606604A (en) | Optical fiber submarine cable and method of making | |
| CN201732191U (en) | Flexible type fully-armored waterproof tail cable | |
| RU2441293C1 (en) | Earth wire with optical communication cable | |
| CN201274185Y (en) | Photoelectric fire-retarding electric cable in 8 font shape | |
| CN211125081U (en) | Armored photoelectric composite cable | |
| CN2916864Y (en) | Composite optical/electric cable | |
| CN214175726U (en) | Coaxial photoelectric composite cable structure | |
| CN112863745A (en) | Coaxial photoelectric composite cable structure | |
| US20170316852A1 (en) | Self-supporting overhead telecommunication/power cable | |
| CN210489270U (en) | Armored double-sheath photoelectric composite cable | |
| CN211404141U (en) | Low temperature resistant photoelectric composite cable | |
| CN210039749U (en) | Mooring multi-shaft light photoelectric composite cable | |
| US20110013873A1 (en) | Fiber optic aerial drop cable | |
| WO2021168947A1 (en) | Bundled submarine cable and manufacturing method therefor | |
| CN210039662U (en) | Cable for photoelectric composite coal mining machine | |
| CN202258545U (en) | Self-bearing anti-bird pecking overhead aluminum core composite optical cable | |
| CN202584887U (en) | Photoelectric composite cable | |
| CN213716591U (en) | Photoelectric composite cable | |
| CN107359003B (en) | WMF high-strength high-toughness load-bearing detection cable capable of measuring and adjusting simultaneously | |
| CN215118451U (en) | High-wear-resistance waterproof armored photoelectric composite cable | |
| CN110853808A (en) | Digital communication photoelectric composite cable | |
| CN213211804U (en) | High-temperature-resistant photoelectric composite logging cable | |
| CN215265689U (en) | Armored photoelectric towing 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 |