CN216719599U - CFU photoelectric composite cable - Google Patents
CFU photoelectric composite cable Download PDFInfo
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- CN216719599U CN216719599U CN202123355225.3U CN202123355225U CN216719599U CN 216719599 U CN216719599 U CN 216719599U CN 202123355225 U CN202123355225 U CN 202123355225U CN 216719599 U CN216719599 U CN 216719599U
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Abstract
The utility model discloses a CFU photoelectric composite cable, which comprises a first cable, wherein the first cable comprises a first conducting wire, a first protective layer coated outside the first conducting wire and a first identification color strip arranged at one end of the first protective layer, which is far away from the first conducting wire; the second cable comprises a second conducting wire, a second protective layer coated outside the second conducting wire and a second identification color bar arranged at one end of the second protective layer far away from the second conducting wire; the cable comprises a cable core, a water-blocking wrapping belt and an inner sheath, wherein the water-blocking wrapping belt wraps the cable core, the inner sheath wraps the water-blocking wrapping belt, and the cable core is formed by stranding a plurality of multi-core optical fiber units by water-blocking yarns; the multi-core optical fiber unit is formed by coating and curing a plurality of optical fibers by resin, and orderly arranging and bonding the optical fibers; the outer sheath is coated outside the first cable, the second cable and the cable subassembly. The photoelectric units are mutually independent, the multi-core optical fiber units are simply stripped, and the construction efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of photoelectric composite cables, in particular to a CFU photoelectric composite cable.
Background
The photoelectric composite cable is a novel access mode, integrates optical fibers and transmission copper wires, can solve the problems of broadband access, equipment power utilization and signal transmission, and is suitable for scenes such as a communication remote power supply system, a short-distance communication system and the like;
however, the existing optical-electrical composite cable has a single structure, wherein the optical unit generally adopts a loose tube structure, the tube is filled with fiber paste, the tube is disposed around the cable core, and the PE is generally used as an insulating and sheathing material, which does not have flame retardant and fire resistant properties.
Therefore, there is a need for an environmentally friendly flame retardant composite optical cable with a large core number and simple optical unit stripping.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the utility model is to overcome the problems of the photoelectric composite cable in the prior art.
In order to solve the above technical problem, the present invention provides a CFU photoelectric composite cable, including:
the first cable comprises a first lead, a first protective layer coated outside the first lead and a first identification color bar arranged on the first protective layer, wherein the first identification color bar is used for marking the positive pole;
the second cable comprises a second lead, a second sheath layer coated outside the second lead and a second identification color bar arranged on the second sheath layer, and the second identification color bar is used for negative marking;
the cable comprises a cable core, a water-blocking wrapping belt and an inner sheath, wherein the water-blocking wrapping belt wraps the cable core, the inner sheath wraps the water-blocking wrapping belt, and the cable core is formed by twisting a plurality of multi-core optical fiber units by water-blocking yarns; the multi-core optical fiber unit is formed by coating and curing a plurality of optical fibers by resin and orderly arranging and bonding the optical fibers;
the outer sheath is covered outside the first cable, the second cable and the cable subassembly, and the first cable, the second cable and the cable subassembly are all tightly attached to the inner wall of the outer sheath;
the cable component is arranged between the first cable and the second cable and is closely arranged with the first cable and the second cable;
and during processing, the first cable, the second cable and the cable subassembly are extruded in the outer sheath to form the photoelectric composite cable. As a preferable mode of the present invention, the outer sheath and the inner sheath both use LSZH low smoke zero halogen material.
In a preferred embodiment of the present invention, the first cable and the second cable are symmetrically arranged with respect to the cable assembly.
In a preferred embodiment of the present invention, the first cable is disposed on one side of the cable assembly and is abutted against the cable assembly.
In a preferred embodiment of the present invention, the second cable is disposed on a side of the cable assembly away from the first cable, and is abutted against the cable assembly.
In a preferred embodiment of the present invention, the distance from the first conductive wire to the cable assembly is equal to the distance from the second conductive wire to the cable assembly.
In a preferred embodiment of the present invention, the first protective layer and the second protective layer are both made of PVC material.
In a preferred embodiment of the present invention, the first lead is a positive electrode, and the second lead is a negative electrode.
In a preferred embodiment of the present invention, the first identification color bar and the second identification color bar are different in color, so as to distinguish the positive electrode from the negative electrode.
As a preferable mode of the present invention, a plurality of optical fibers in the multi-core optical fiber unit are colored optical fibers, so as to distinguish each optical fiber.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the CFU photoelectric composite cable has the advantages of large core number, simple and convenient construction and low construction cost; the cable has good mechanical property and strong applicability, and can provide transmission performance of various cables such as communication, electric power and the like at the same time when laid once; the multi-core optical fiber unit improves the optical fiber density, is simple to strip and is convenient for branch connection; the positive and negative levels are marked and distinguished by the marking color bars, so that the construction efficiency is improved; adopts low-smoke halogen-free materials, is environment-friendly and flame-retardant.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference will now be made in detail to the present disclosure, examples of which are illustrated in the accompanying drawings.
Fig. 1 is a schematic view of a CFU optoelectric hybrid cable of the present invention.
Fig. 2 is a schematic diagram of a multi-core fiber unit of the present invention.
The specification reference numbers indicate: 1. the cable comprises an outer sheath, 2, a cable component, 10, a first cable, 11, a second cable, 20, a cable core, 21, water-blocking yarns, 22, water-blocking wrapping tapes, 23, an inner sheath, 24, a multi-core optical fiber unit, 100, a first lead, 101, a first PVC (polyvinyl chloride) sheath, 102, a first identification color bar, 110, a second lead, 111, a second PVC sheath, 112, a second identification color bar, 240, optical fibers, 241 and resin.
Detailed Description
The present invention is further described below in conjunction with the following figures and specific examples so that those skilled in the art may better understand the present invention and practice it, but the examples are not intended to limit the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "second" or "first" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features, or indirectly contacting the first and second features through intervening media. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements does not include a limitation to the listed steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1-2, an embodiment of a CFU optical/electrical composite cable according to the present invention includes an outer sheath 1 and a cable assembly 2 disposed inside the outer sheath 1.
The outer sheath 1 is made of an LSZH (Low smoke zero halogen) material, namely a Low smoke zero halogen) material, which is based on polyolefin, is doped with hydrated minerals and rubber compound which does not contain halogen (F, Cl, Br, I and At) or lead, cadmium, chromium and mercury substances, does not generate halogen or caustic acid, only generates a small amount of smoke or even completely does not generate smoke, and even if the smoke is generated, the smoke does not contain toxic substances such as hydrogen halide, carbon monoxide and the like.
Preferably, a first cable 10 and a second cable 11 are further disposed in the outer sheath 1, and the first cable 10 and the second cable 11 are symmetrically disposed with the cable assembly 2 as a center.
Preferably, the first cable 10 and the second cable 11 are closely arranged with the cable assembly 2, and the first cable 10, the second cable 11 and the cable assembly 2 are extruded into the outer sheath 1 during processing, so as to form the optical/electrical composite cable.
As shown in fig. 1, the first cable 10 is disposed at one side of the cable assembly 2 and is abutted against the cable assembly 2; one side of the first cable 10 far away from the cable assembly 2 is abutted against the outer sheath 1, namely the circumferential surface of the first cable 10 is attached to the outer sheath 1; the second cable 11 is arranged on one side of the cable subassembly 2 far away from the first cable 10 and is abutted against the cable subassembly 2; one side of the second cable 11 far from the cable assembly 2 is abutted against the outer sheath 1, namely the circumferential surface of the second cable 11 is attached to the outer sheath 1.
The first cable 10 includes a first conductive wire 100 and a first sheath 101 wrapping the first conductive wire 100, the first conductive wire 100 is a positive electrode, and the first sheath 101 is made of PVC (polyvinyl chloride); the second cable 11 includes a second conductive wire 110 and a second sheath 111 wrapping the second conductive wire 110, the second conductive wire 110 is a negative electrode, and the second sheath 111 is made of PVC material.
Wherein, the distance from the first conducting wire 100 to the cable assembly 2 is the same as the distance from the second guiding wire 110 to the cable assembly.
The first protective layer 101 and the second protective layer 111 made of PVC material provide insulation protection for the wires; PVC material has excellent electrical insulation, is not easy to burn, is self-extinguishing when leaving flame, and is a material with self-extinguishing property and flame retardancy.
Preferably, referring to fig. 1, the first protective layer 101 is provided with a first identification color bar 102, and the first identification color bar 102 is used for positive marking; the second sheath 111 is provided with a second identification color bar 112, and the second identification color bar 112 is used for negative electrode marking.
The first identification color bar 102 and the second identification color bar 112 are different in color, so as to distinguish the positive electrode from the negative electrode.
By adopting the technical scheme, the arrangement of the outer sheath 1 can ensure safe insulation and improve the environment-friendly flame retardant property; the first protective layer 101 and the second protective layer 111 are arranged to provide insulation and flame retardance for the first cable 100 and the second cable 110, so that the flame retardance is improved while the safe insulation is ensured; the arrangement of the first identification color bar 102 and the second identification color bar 112 can distinguish the positive electrode and the negative electrode of the photoelectric composite cable, so that the positive electrode and the negative electrode of the photoelectric composite cable can be rapidly judged when constructors construct the photoelectric composite cable, and the construction efficiency is improved.
Preferably, the optical fiber assembly comprises a cable core 20, a water-blocking tape 22 coated outside the cable core 20, and an inner sheath 23 coated outside the water-blocking tape 22, wherein the cable core 20 is formed by twisting a plurality of multi-core optical fiber units 24 by water-blocking yarns 21.
The multi-core optical fiber unit 24 is a CFU optical unit, which is a dense optical fiber unit, as shown in fig. 2, the dense optical fiber unit is formed by coating and curing a plurality of optical fibers 240 with a resin 241 according to a certain arrangement rule by using a bundling mold, and orderly arranging and bonding the optical fibers together.
The multi-core optical fiber unit 24 has good mechanical properties, longitudinal water resistance and optical fiber stripping properties, and can be torn by hand to separate each optical fiber 240 without using any special tool.
Wherein, the optical fiber 240 in the multi-core optical fiber unit 24 is a colored optical fiber; the effective distinction of each multi-core optical fiber unit 24 is realized by means of code spraying and printing, and the effective distinction of each optical fiber 240 is realized by means of optical fiber chromatography.
Referring to fig. 1, a plurality of multi-core optical fiber units 24 are twisted by water-blocking yarns 21 to form a dense cable core 20; the inner sheath 23 is made of the same LSZH material as the outer sheath 1.
By adopting the technical scheme, the arrangement of the water-blocking wrapping tape 22 can extrude the water-blocking yarn 21 and the multi-core optical fiber unit 24 into the LSZH inner sheath 23 during processing, so as to form the cable assembly 2.
Preferably, The CFU photoelectric composite cable meets The requirements of The FTTH (fiber) To The Home, i.e., fiber To The Home) indoor and outdoor communication network applications, and is suitable for laying an FTTH communication line for synchronous power supply and signal input; the photoelectric signal synchronous input device can be applied to multi-branch scenes needing synchronous input of photoelectric signals, including but not limited to indoor and outdoor scenes of data centers, machine rooms, multi-storey houses, hospitals, exhibition halls, company office areas, outdoor base stations and the like.
The CFU photoelectric composite cable has the following specific advantages:
1. the construction is simple and convenient, and the construction cost is low;
2. the mechanical property is good, and the applicability is strong;
3. the transmission performance of various cables such as communication, electric power and the like can be provided at the same time by laying once, and the cable laying method has strong applicability to equipment and strong expandability;
4. the multi-core optical fiber unit is used for improving the density of the optical fiber, facilitating branch connection and meeting the transmission performance requirement;
5. if one function is not needed, the expansion function can be reserved, and secondary construction is avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the scope of the utility model.
Claims (10)
1. A CFU optoelectrical composite cable, comprising:
the first cable comprises a first lead, a first protective layer coated outside the first lead and a first identification color bar arranged on the first protective layer, wherein the first identification color bar is used for marking the positive pole;
the second cable comprises a second lead, a second sheath layer coated outside the second lead and a second identification color bar arranged on the second sheath layer, and the second identification color bar is used for negative marking;
the cable comprises a cable core, a water-blocking wrapping belt and an inner sheath, wherein the water-blocking wrapping belt wraps the cable core, the inner sheath wraps the water-blocking wrapping belt, and the cable core is formed by twisting a plurality of multi-core optical fiber units by water-blocking yarns; the multi-core optical fiber unit is formed by coating and curing a plurality of optical fibers by resin and orderly arranging and bonding the optical fibers;
the outer sheath covers the first cable, the second cable and the cable subassembly, and the first cable, the second cable and the cable subassembly are tightly attached to the inner wall of the outer sheath;
the cable subassembly is arranged between the first cable and the second cable and is closely arranged with the first cable and the second cable;
and during processing, the first cable, the second cable and the cable subassembly are extruded in the outer sheath to form the photoelectric composite cable.
2. The CFU photoelectric composite cable of claim 1, wherein the outer and inner sheaths are both LSZH low smoke zero halogen material.
3. The CFU composite optical and electrical cable according to claim 1, wherein the first and second cables are symmetrically disposed about the cable assembly.
4. The CFU composite optical and electrical cable of claim 3, wherein the first cable is disposed on one side of the cable assembly and is abutted against the cable assembly.
5. The CFU composite optical and electrical cable of claim 3, wherein the second cable is disposed on a side of the cable assembly away from the first cable, and is abutted against the cable assembly.
6. The CFU composite optical and electrical cable according to claim 3, wherein the distance from the first conductive wires to the cable assemblies is equal to the distance from the second conductive wires to the cable assemblies.
7. The CFU optoelectric composite cable of claim 1, wherein the first and second sheaths are each comprised of PVC.
8. The CFU optical/electrical composite cable of claim 1, wherein the first conductive wire is a positive electrode and the second conductive wire is a negative electrode.
9. The CFU photoelectric composite cable of claim 1, wherein the first identification color bar and the second identification color bar are different colors so as to distinguish between positive and negative electrodes.
10. The CFU optoelectric composite cable of claim 1, wherein a plurality of the optical fibers in the multi-core optical fiber unit are colored fibers so as to distinguish each optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123355225.3U CN216719599U (en) | 2021-12-28 | 2021-12-28 | CFU photoelectric composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123355225.3U CN216719599U (en) | 2021-12-28 | 2021-12-28 | CFU photoelectric composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719599U true CN216719599U (en) | 2022-06-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123355225.3U Active CN216719599U (en) | 2021-12-28 | 2021-12-28 | CFU photoelectric composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216719599U (en) |
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2021
- 2021-12-28 CN CN202123355225.3U patent/CN216719599U/en active Active
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