CN213935738U - Intelligent sensing and positioning photoelectric composite cable - Google Patents
Intelligent sensing and positioning photoelectric composite cable Download PDFInfo
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- CN213935738U CN213935738U CN202022554730.XU CN202022554730U CN213935738U CN 213935738 U CN213935738 U CN 213935738U CN 202022554730 U CN202022554730 U CN 202022554730U CN 213935738 U CN213935738 U CN 213935738U
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Abstract
The utility model belongs to the technical field of the communication optical cable, a intelligence perception location photoelectricity composite cable is related to. The intelligent sensing and positioning photoelectric composite cable comprises a power cable unit and 6-12 optical fiber vibration sensing units, wherein an insulating layer and a shielding layer are sequentially coated outside a power transmission conductor to form the power cable unit, the optical fiber vibration sensing units are longitudinally parallel to each other and are arranged at equal intervals along the circumference around the outer surface of the shielding layer, special-shaped filling ropes and water-blocking fillers are filled in gaps to form a cable core, and optical fibers in the cable core are distributed around the power cable unit according to an annular structure. The utility model discloses an annular structure design of optic fibre vibration sensing unit, and then combine distributed optic fibre vibration sensing technique, obtain the vibration information around arbitrary a bit along the optical cable in real time; the vibration information of the optical fiber is intelligently identified by using an intelligent signal processing algorithm, so that the protection and monitoring of the photoelectric composite cable are realized. The utility model discloses can satisfy communication base station construction and operation to electric power supply and information communication's requirement.
Description
Technical Field
The utility model belongs to the technical field of the communication optical cable, in particular to intelligence perception location photoelectricity composite cable.
Background
The photoelectric composite cable is a novel access mode, integrates optical fibers and transmission copper wires, and can solve the problems of broadband access, equipment power supply and signal transmission. With the application and development of the 5G technology, especially the requirement of equipment on power transmission in the construction of base stations, the market demand for the photoelectric composite cable is promoted, and the photoelectric composite cable is needed in many scenes. Once the photoelectric composite cable is damaged, not only information cannot be transmitted, but also electric power is interrupted, so that the protection and monitoring work of the photoelectric composite cable is more and more important.
The traditional photoelectric composite cable has a single structure, although the photoelectric composite cable is buried by utilizing a thick soil layer during construction, the photoelectric composite cable cannot be prevented from being damaged, and the cable laid underground is usually cut off when some manually operated excavators carry out excavation operation. The conventional photoelectric composite cable does not have the capabilities of early warning, alarming and fault point diagnosis, and cannot meet the requirements for protection and monitoring of the photoelectric composite cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the background problem, a intelligent sensing positioning photoelectric composite cable is provided, and the intelligent sensing positioning photoelectric composite cable comprises a power cable unit and 6-12 optical fiber vibration sensing units 4, wherein the power cable unit comprises a power transmission conductor 1, an insulating layer 2 and a shielding layer 3, the insulating layer 2 is coated outside the power transmission conductor 1, the shielding layer 3 is coated outside the insulating layer 2, the optical fiber vibration sensing unit 4 comprises an optical fiber 41 and a jacket layer 42, and the extruded jacket layer 42 coats the optical fiber 41;
the optical fiber vibration sensing units 4 are longitudinally arranged in parallel to each other and surround the outer surface of the shielding layer 3, the optical fiber vibration sensing units 4 are arranged at equal intervals along the circumference of the cross section of the shielding layer, special-shaped filling ropes 5 and water-blocking fillers 6 are filled in gaps between the adjacent optical fiber vibration sensing units 4 to form a cable core of the photoelectric composite cable with a circular cross section, the optical fibers 41 of the optical fiber vibration sensing units 4 are distributed around the power cable unit according to a ring structure on the circular cross section of the cable core, and the cable core is coated by the extruded outer sheath 7 to form the intelligent sensing positioning photoelectric composite cable;
the power transmission conductor 1 is a copper, aluminum alloy or aluminum alloy wire with the outer diameter of 0.15 mm-0.50 mm;
the thickness of the insulating layer 2 is 0.15 mm-0.50 mm, and the material is low-smoke halogen-free flame-retardant polyethylene plastic;
the shielding layer 3 is a metal wire braid layer which is braided by copper-clad aluminum wires with the diameter of 0.015-0.030 mm on the surface of the insulating layer 2, and the tensile strength and the elongation of the material are enhanced because the surface of the aluminum wires is concentrically coated with a layer of pure copper;
the special-shaped filling rope 5 is made of carbon fiber and has the diameter of 0.2 mm;
the water-blocking filler 6 is a water-blocking rope and water-blocking spun yarns;
the water-blocking rope is a semi-conductive buffer water-blocking tape wrapped aramid fiber yarn with the diameter of 0.15-0.20 mm;
the thickness of the outer sheath 7 is 1.0 mm-1.5 mm, and the material is a low-smoke halogen-free flame-retardant polyethylene composite material;
the optical fiber 41 is a bending insensitive optical fiber;
the outer diameter of the tight sleeve layer 42 is 0.6 mm-0.9 mm, and the material is ethylene-tetrafluoroethylene copolymer;
the utility model discloses an annular structure design of optic fibre vibration sensing unit, and then combine distributed optic fibre vibration sensing technique, obtain the vibration information around arbitrary a bit along the optical cable in real time; the vibration information of the optical fiber is intelligently identified by using an intelligent signal processing algorithm, so that the protection and monitoring of the photoelectric composite cable are realized. The utility model discloses can satisfy communication base station construction and operation to electric power supply and information communication's requirement.
The utility model has the advantages that: the utility model discloses optical fiber vibration sensing unit adopts the design of annular structure for no matter what kind lay the state for the photoelectric composite cable, can all obtain the vibration information around arbitrary a bit along the line of optical cable in real time, utilize the vibration information of intelligent signal processing algorithm intelligent recognition optic fibre, can realize protection and the monitoring to the photoelectric composite cable. In the gaps between adjacent optical fiber vibration sensing units, special-shaped filling ropes are used for filling, so that the effect of pressure reduction protection is achieved on the photoelectric composite cable, and the tensile resistance, the compression resistance and the bending resistance of the photoelectric composite cable are improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an intelligent sensing and positioning composite cable;
fig. 2 is a schematic cross-sectional view of an optical fiber vibration sensing unit.
In the figure, 1 is a power transmission conductor, 2 is an insulating layer, 3 is a shielding layer, 4 is an optical fiber vibration sensing unit, 5 is a special-shaped filling rope, 6 is a water-blocking filler, 7 is an outer sheath, 41 is an optical fiber, and 42 is a tight-sleeve layer.
Detailed Description
The present invention will be further explained with reference to the following embodiments and drawings.
Fig. 1 is a schematic cross-sectional view of an intelligent sensing and positioning composite cable. The intelligent sensing and positioning photoelectric composite cable comprises a power cable unit and 6-12 optical fiber vibration sensing units 4, wherein the power cable unit is composed of a power transmission conductor 1, an insulating layer 2 and a shielding layer 3, the insulating layer 2 is coated outside the power transmission conductor 1, the shielding layer 3 is coated outside the insulating layer 2, the optical fiber vibration sensing units 4 are composed of optical fibers 41 and a tight-sleeved layer 42, and the tight-sleeved layer 42 is extruded to coat the optical fibers 41.
The optical fiber vibration sensing units 4 are longitudinally arranged in parallel to each other and surround the outer surface of the shielding layer 3, the optical fiber vibration sensing units 4 are arranged at equal intervals along the circumference of the cross section of the shielding layer, special-shaped filling ropes 5 and water-blocking fillers 6 are filled in gaps between the adjacent optical fiber vibration sensing units 4 to form a cable core of the photoelectric composite cable with a circular cross section, the optical fibers 41 of the optical fiber vibration sensing units 4 are distributed around the power cable units according to a ring structure on the circular cross section of the cable core, and the cable core is coated by the extruded outer sheath 7 to form the intelligent sensing positioning photoelectric composite cable.
The transmission conductor of the power transmission conductor 1 is a copper, aluminum alloy or rare earth aluminum alloy wire with the outer diameter of 0.15-0.50 mm;
the thickness of the insulating layer 2 is 0.15 mm-0.50 mm, and the material is low-smoke halogen-free flame-retardant polyethylene plastic;
the shielding layer 3 is a metal wire braid layer which is braided by copper-clad aluminum wires with the diameter of 0.015-0.030 mm on the surface of the insulating layer 2, and the tensile strength and the elongation of the material are enhanced because the surface of the aluminum wires is concentrically coated with a layer of pure copper;
the shielding layer 3 is a copper-clad aluminum wire with the diameter of 0.15 mm-0.30 mm which is woven on the surface of the insulating layer 2, and the tensile strength and the elongation of the material are enhanced because the surface of the aluminum wire is concentrically coated with a layer of pure copper;
the special-shaped filling rope 5 is made of carbon fiber and has the diameter of 0.2 mm;
the water-blocking filler 6 is a water-blocking rope and water-blocking spun yarns;
the water-blocking rope is a semi-conductive buffer water-blocking tape wrapped aramid fiber yarn with the diameter of 0.15-0.20 mm;
the thickness of the outer sheath 7 is 1.0 mm-1.5 mm, and the material is a low-smoke halogen-free flame-retardant polyethylene composite material;
the optical fiber 41 is a bend insensitive fiber;
the outer diameter of the tight sleeve layer 42 is 0.6 mm-0.9 mm, and the material is ethylene-tetrafluoroethylene copolymer.
The embodiment is an intelligent perception location photoelectric composite cable with an outer diameter of 6.8mm, and data of the embodiment is summarized as follows:
the power transmission conductor 1 is a copper wire with the outer diameter of 1.0 mm;
the thickness of the insulating layer 2 is 0.5mm, and the material is low-smoke halogen-free flame-retardant polyethylene plastic;
the thickness of the shielding layer 3 is 0.5mm, and the shielding layer is woven by copper-clad aluminum wires with the diameter of 0.15 mm;
the optical fiber 41 is a bend insensitive fiber;
the outer diameter of the tight sleeve layer 42 is 0.9mm, and the material is ethylene-tetrafluoroethylene copolymer;
the thickness of the outer sheath 7 is 1.0mm, and the material is a low-smoke halogen-free flame-retardant polyethylene composite material;
the outer diameter of the intelligent sensing positioning composite cable is 6.8 mm.
The utility model is suitable for a pipeline communication system of laying of outdoor adverse circumstances can play the effect of protection and monitoring to the photoelectric composite cable, satisfies seeking of communication base station power supply and communication. The utility model discloses can satisfy communication base station construction and operation to electric power supply and information communication's requirement.
Claims (10)
1. The intelligent sensing and positioning photoelectric composite cable is characterized by comprising a power cable unit and 6-12 optical fiber vibration sensing units (4), wherein the power cable unit consists of a power transmission conductor (1), an insulating layer (2) and a shielding layer (3), the power transmission conductor (1) is coated with the insulating layer (2), the insulating layer (2) is coated with the shielding layer (3), the optical fiber vibration sensing unit (4) consists of an optical fiber (41) and a tight-buffered layer (42), and the tight-buffered layer (42) is coated with the optical fiber (41);
the optical fiber vibration sensing units (4) are longitudinally arranged in parallel to each other and surround the outer surface of the shielding layer (3), the optical fiber vibration sensing units (4) are arranged at equal intervals along the circumference of the cross section of the shielding layer, special-shaped filling ropes (5) and water-blocking fillers (6) are filled in gaps between adjacent optical fiber vibration sensing units (4) to form a cable core of the photoelectric composite cable with a circular cross section, optical fibers (41) of the optical fiber vibration sensing units (4) are distributed around the power cable unit according to a ring structure on the circular cross section of the cable core, and the cable core is coated by an extruded outer sheath (7) to form the intelligent sensing and positioning photoelectric composite cable.
2. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the power transmission conductor (1) is a copper, aluminum alloy or rare earth aluminum alloy wire with an outer diameter of 0.15mm to 0.50 mm.
3. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the thickness of the insulating layer (2) is 0.15 mm-0.50 mm, and the material is low-smoke halogen-free flame-retardant polyethylene plastic.
4. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the shielding layer (3) is a metal wire braided layer braided on the surface of the insulating layer (2) by using a copper-clad aluminum wire with a diameter of 0.015mm to 0.030 mm.
5. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the profiled filler rope (5) is a filler rope made of carbon fiber and having a diameter of 0.2 mm.
6. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the water-blocking filler (6) is a water-blocking rope and a water-blocking spun yarn.
7. The intelligent sensing and positioning photoelectric composite cable according to claim 6, wherein the water blocking rope is a semi-conductive buffer water blocking tape wrapped aramid fiber wire with a diameter of 0.15 mm-0.20 mm.
8. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the outer sheath (7) is 1.0mm to 1.5mm thick and made of a low-smoke halogen-free flame-retardant polyethylene composite material.
9. The intelligent location-aware opto-electrical composite cable of claim 1, wherein the optical fiber (41) is a bend insensitive optical fiber.
10. The intelligent sensing and positioning photoelectric composite cable according to claim 1, wherein the tight-buffered layer (42) has an outer diameter of 0.6mm to 0.9mm and is made of ethylene-tetrafluoroethylene copolymer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022554730.XU CN213935738U (en) | 2020-11-08 | 2020-11-08 | Intelligent sensing and positioning photoelectric composite cable |
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| CN202022554730.XU CN213935738U (en) | 2020-11-08 | 2020-11-08 | Intelligent sensing and positioning photoelectric composite cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466547A (en) * | 2020-11-08 | 2021-03-09 | 北京亨通斯博通讯科技有限公司 | Intelligent sensing and positioning photoelectric composite cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112466547A (en) * | 2020-11-08 | 2021-03-09 | 北京亨通斯博通讯科技有限公司 | Intelligent sensing and positioning photoelectric composite cable |
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