CN214312748U - Light photoelectric composite cable - Google Patents
Light photoelectric composite cable Download PDFInfo
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- CN214312748U CN214312748U CN202022652417.XU CN202022652417U CN214312748U CN 214312748 U CN214312748 U CN 214312748U CN 202022652417 U CN202022652417 U CN 202022652417U CN 214312748 U CN214312748 U CN 214312748U
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- optical fiber
- fiber unit
- power line
- cable core
- reinforcing layer
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- 239000002131 composite material Substances 0.000 title claims abstract description 34
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 31
- 239000000835 fiber Substances 0.000 claims abstract description 8
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 230000017105 transposition Effects 0.000 claims abstract description 3
- 239000013307 optical fiber Substances 0.000 claims description 66
- 229920006231 aramid fiber Polymers 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000004760 aramid Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
- 239000004917 carbon fiber Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 6
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 15
- 238000009941 weaving Methods 0.000 description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 description 5
- 229910001220 stainless steel Inorganic materials 0.000 description 5
- 239000010935 stainless steel Substances 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of optical and electrical cables, in particular to a light optical and electrical composite cable, which comprises a cable core, a cable core reinforcing layer and an outer sheath from inside to outside in sequence; the cable core includes power line, optic fibre unit, winds the covering, several power lines with optic fibre unit is single spiral transposition as the center, winds the covering cladding outside the stranded wire of power line and optic fibre unit. The utility model provides a strong, the durability good, the external diameter is little, light in weight, the strong photoelectric composite cable of photoelectric property of stability.
Description
Technical Field
The utility model relates to a photoelectric cable technical field specifically is a light-duty photoelectric composite cable.
Background
Traditional unmanned aerial vehicle possesses need not artificial intervention, can deploy advantage such as fast and be widely applied to each field. However, the unmanned aerial vehicle is usually powered by a rechargeable lithium battery, so that the endurance time of the unmanned aerial vehicle is short and is difficult to exceed 1 hour, and the application range of the unmanned aerial vehicle is limited due to the defect. The unmanned aerial vehicle is required to be capable of performing all-weather floating operation in the fields of field monitoring, field command and the like, so that the unmanned aerial vehicle is required to be connected with a ground power supply through a photoelectric composite cable.
The existing unmanned aerial vehicle photoelectric composite cable is large in size and weight and small in current load, the load of the unmanned aerial vehicle is increased, the flight control of the unmanned aerial vehicle is influenced, and the floating height and the effective load of the unmanned aerial vehicle are limited; meanwhile, the cable generates heat seriously due to long-term endurance of the unmanned aerial vehicle, and the problems of increased optical path loss, even interruption, serious cable aging and the like are caused by long-term high-temperature work.
Therefore, there is a high necessity for a photoelectric composite cable having a small size, a light weight, a high current carrying capacity and transmission stability, and a long life.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a light-duty photoelectric composite cable, when reducing photoelectric composite cable size and weight, increase photoelectric composite cable's electric current load capacity and transmission stability, increase receiving and releasing life-span and reliability repeatedly of photoelectric composite cable, its concrete structure is:
a light photoelectric composite cable comprises a cable core, a cable core reinforcing layer 2 and an outer sheath 1 in sequence from inside to outside; the cable core includes power line, optical fiber unit, around covering 3, the power line with optical fiber unit is single spiral transposition as the center, around covering 3 cladding outside the power line and optical fiber unit's stranded line.
Further, the cable core comprises 6 power lines and 1 optical fiber unit; the power line comprises a power line conductor 5 and a power line insulating layer 4 from inside to outside in sequence; the optical fiber unit comprises an optical fiber 9, a spiral armor pipe 8, an optical fiber unit reinforcing layer 7 and an optical fiber unit jacket 6 from inside to outside in sequence.
Further, the optical fiber 9 is a single mode optical fiber.
Furthermore, the materials of the optical fiber unit reinforcing layer 7 and the cable core reinforcing layer 2 in the optical fiber unit can be aramid fiber or glass yarn or poly-p-benzobisoxazole or carbon fiber, and the reinforcing layer fiber is coated outside the optical fiber unit and the cable core in a woven structure.
The utility model discloses following beneficial effect can be brought:
1. the utility model discloses the light-duty photoelectric composite cable of preparation, not only the external diameter is thin, and the optical cable external diameter is no longer than 4.5mm, and light in weight (unit weight is less than or equal to 25g/m), promoted unmanned aerial vehicle's lift-off height and payload by a wide margin.
2. The utility model discloses the light-duty photoelectric composite cable of preparation can provide not less than 10A's long-term operating current and the short-term operating current that is not more than 15A, promotes unmanned aerial vehicle's flight performance and load-carrying capacity by a wide margin for unmanned aerial vehicle can be applied to and need carry the flight task that more equipment hovered for a long time.
3. The utility model discloses the light-duty photoelectric composite cable optical fiber unit of preparation all adopts high temperature resistant material to solve the optical signal trouble problem that cable work generates heat and arouses, and increased the life under the cable high load operating condition. Meanwhile, a layer-twisted structure is adopted to be additionally provided with a braided reinforcement, so that the stability of the whole cable is stronger, and the service life of repeated winding and unwinding is greatly prolonged.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
FIG. 1 is a schematic structural view of a lightweight optical-electrical composite cable;
FIG. 2 is a schematic structural diagram of a cable core;
FIG. 3 is a schematic structural view of an optical fiber unit;
FIG. 4 is a schematic diagram of a power line configuration;
FIG. 5 is a schematic structural view of a spiral armor tube.
Description of reference numerals:
1. an outer sheath; 2. a cable core reinforcing layer; 3. wrapping a covering; 4. a power line insulating layer; 5. a power line conductor; 6. an optical fiber unit jacket; 7. an optical fiber unit reinforcing layer; 8. a spiral armor tube; 9. an optical fiber.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The structure of the light photoelectric composite cable of the utility model is as shown in figure 1, and the light photoelectric composite cable comprises a cable core, a cable core reinforcing layer 2 and an outer sheath 1 from inside to outside in sequence;
the cable core is structurally shown in fig. 2 and respectively consists of an optical fiber unit and a plurality of power lines from inside to outside;
as shown in fig. 3, the optical fiber units are respectively an optical fiber 9, a spiral armor tube 8, an optical fiber unit reinforcing layer 7 and an optical fiber unit jacket 6 from inside to outside.
The optical fiber 9 can be a G657B3 type high-temperature resistant bending insensitive single-mode optical fiber, and the working temperature range is 40-150 ℃.
As shown in fig. 5, the optical fiber 9 is wrapped with a spiral armor tube 8 made of 304 stainless steel or 204 stainless steel.
The outer layer of the spiral armor pipe 8 is coated with an optical fiber unit reinforcing layer 7 which is woven by aramid fiber or glass yarn or poly-p-benzobisoxazole or carbon fiber materials.
The optical fiber unit reinforcing layer 7 is coated with an optical fiber unit jacket 6 made of ethylene-tetrafluoroethylene copolymer by extrusion molding.
As shown in fig. 4, the power line is respectively a power line conductor 5 and a power line insulating layer 4 from inside to outside;
the power line conductor 5 can be a normally stranded copper-clad aluminum wire;
the power line insulating layer 4 is coated on the outer layer of the power line conductor 5, and the material can be ethylene-tetrafluoroethylene copolymer sheet;
a plurality of power lines are stranded outside the optical fiber units in a single spiral stranded structure, and a polytetrafluoroethylene tape can be wound on the stranded whole to form a winding layer 3;
a cable core reinforcing layer 2 woven by aramid fibers or glass yarns or poly-p-benzobisoxazole or carbon fiber materials is arranged outside the wrapping layer 3;
and an outer sheath made of ethylene-tetrafluoroethylene copolymer is arranged outside the cable core reinforcing layer 2.
In order to make the utility model discloses a light-duty photoelectric composite cable, its concrete method has included:
the method comprises the following steps: optical fiber unit preparation
As shown in fig. 5, a stainless steel flat wire is wrapped outside an optical fiber 9 by a spiral tube-sheathing machine to form a spiral tube-sheathing optical fiber wrapped with a spiral tube-sheathing 8;
then uniformly weaving aramid fibers outside the spiral armor tube optical fibers by using a weaving machine to weave an optical fiber unit reinforcing layer 7;
and extruding a layer of ethylene-tetrafluoroethylene copolymer outside the optical fibers of the braided optical fiber unit reinforcing layer 7 to form an optical fiber unit sheath 6, and winding the optical fiber unit on a special disc.
Step two: power line fabrication
A plurality of copper-clad aluminum wires are regularly twisted to form a power line conductor 5, and a layer of ethylene-tetrafluoroethylene copolymer is extruded outside the twisted power line conductor 5 to form a power line insulating layer 4, so that the power line is manufactured.
Step three: cabling method
And (3) performing single-spiral stranding on a plurality of power lines by taking one optical fiber unit as a center, and then wrapping a polytetrafluoroethylene tape to manufacture a cable core.
Step four: reinforced layer weave
And a layer of aramid fiber is woven outside the cable core by adopting a high-speed weaving machine.
Step five: sheath extrusion molding
And extruding a layer of ethylene-tetrafluoroethylene copolymer outer sheath outside the knitted reinforcing layer 2 to manufacture the light photoelectric composite cable.
The following embodiments are provided to further illustrate the light photoelectric composite cable and the manufacturing method thereof.
Example 1: 6-core light photoelectric composite cable
In this embodiment, the optical fiber 9 is made of G657B3 type high temperature resistant bending insensitive single mode fiber, and the outer diameter dimension is (0.245 ± 0.005) mm.
The spiral armored pipe 8 is made by wrapping stainless steel flat wires, and the outer diameter size is (0.6 +/-0.05) mm;
the optical fiber unit reinforcing layer 7 is formed by weaving 16 aramid fibers of 220dtex, and the weaving pitch is (16 +/-2) mm.
The optical fiber unit sheath 6 is formed by extrusion molding of ethylene-tetrafluoroethylene copolymer, and has an outer diameter of (1.20. + -. 0.05) mm.
The power line conductor 5 is made by regularly twisting 19 copper-clad aluminum wires with the diameter of 0.18mm, and the outer diameter dimension is (0.90 +/-0.02) mm.
The power line insulating layer 4 adopts ethylene-tetrafluoroethylene copolymer, and the outer diameter dimension is (1.20 +/-0.05) mm.
The six power lines are stranded in a single spiral mode by taking one optical fiber unit as a center, then a polytetrafluoroethylene tape is wound to form a cable core, the stranding pitch is 40mm, the winding pitch is 12mm, and the outer diameter of the cable core after cabling is (3.6 +/-0.1) mm.
The reinforcing layer 2 outside the cable core is formed by weaving 16 pieces of 1100dtex aramid fiber, and the weaving pitch is 45 mm.
A layer of ethylene-tetrafluoroethylene copolymer is extruded outside the cable core reinforcing layer 2 to be used as an outer sheath 1, and the outer diameter size is (4.4 +/-0.2) mm.
Example 2: 6-core light photoelectric composite cable
In this embodiment, the optical fiber 9 is made of G657B3 type high temperature resistant bending insensitive single mode fiber, and the outer diameter dimension is (0.245 ± 0.005) mm.
The spiral armored pipe 8 is made by wrapping stainless steel flat wires, and the outer diameter dimension is (0.90 plus or minus 0.05) mm
The optical fiber unit reinforcing layer 7 is formed by weaving 16 aramid fibers of 220dtex, and the weaving pitch is (24 +/-2) mm.
The optical fiber unit sheath 6 is made of ethylene-tetrafluoroethylene copolymer by extrusion molding, and has an outer diameter of (1.60. + -. 0.05) mm.
The power line conductor 5 is made by regularly twisting 19 copper-clad aluminum wires with the diameter of 0.26mm, and the outer diameter dimension is (1.30 +/-0.03) mm.
The power line insulating layer 4 adopts ethylene-tetrafluoroethylene copolymer, and the outer diameter dimension is (1.60 +/-0.05) mm.
The method comprises the steps of carrying out single-spiral stranding on 6 power lines by taking 1 optical fiber unit as a center, then wrapping a polytetrafluoroethylene tape to manufacture a cable core, wherein the stranding pitch is 50mm, the wrapping pitch is 15mm, and the outer diameter of the cable core after cabling is (4.8 +/-0.1) mm.
The cable core reinforcing layer 2 is formed by weaving 1100dtex aramid fiber with the weaving pitch of 60 mm.
A layer of ethylene-tetrafluoroethylene copolymer is extruded outside the reinforcing layer 2 to be used as an outer sheath 1, and the outer diameter dimension is (5.8 +/-0.2) mm.
Example 3: 6-core light photoelectric composite cable
In this embodiment, the optical fiber 9 is made of G657B3 type high temperature resistant bending insensitive single mode fiber, and the outer diameter dimension is (0.245 ± 0.005) mm.
The spiral armored pipe 8 is made by wrapping stainless steel flat wires, and the outer diameter dimension is (0.90 plus or minus 0.05) mm
The optical fiber unit reinforcing layer 7 is formed by weaving 16 aramid fibers with 440dtex, and the weaving pitch is (24 +/-2) mm.
The optical fiber unit sheath 6 is made of ethylene-tetrafluoroethylene copolymer by extrusion molding, and has an outer diameter of (1.90. + -. 0.05) mm.
The power line conductor 5 is made by regularly twisting 19 copper-clad aluminum wires with the diameter of 0.32mm, and the outer diameter dimension is (1.60 +/-0.03) mm.
The power line insulating layer 4 adopts ethylene-tetrafluoroethylene copolymer, and the outer diameter dimension is (1.90 +/-0.05) mm.
And performing single-spiral stranding on six power lines by taking one optical fiber unit as a center, then wrapping a polytetrafluoroethylene tape to prepare a cable core, wherein the stranding pitch is 60mm, the wrapping pitch is 18mm, and the outer diameter of the cabled cable core is (5.7 +/-0.1) mm.
The cable core reinforcing layer 2 is formed by weaving 1100dtex aramid fiber with the weaving pitch of 60 mm.
A layer of ethylene-tetrafluoroethylene copolymer is extruded outside the cable core reinforcing layer 2 to be used as an outer sheath 1, and the outer diameter size is (6.5 +/-0.2) mm.
The utility model discloses a neotype structural design and material selection have made neotype light-duty photoelectric composite cable, light-duty photoelectric composite cable external diameter is no longer than 4.5mm, and unit weight is less than or equal to 25g/m, has promoted unmanned aerial vehicle's lift-off height and payload by a wide margin.
Meanwhile, the light photoelectric composite cable can provide long-term working current not less than 10A and short-term working current not more than 15A, so that the flight performance and the load capacity of the unmanned aerial vehicle are greatly improved, and the unmanned aerial vehicle can be applied to a flight task needing to be hovered for a long time by carrying more devices.
Furthermore light-duty photoelectric composite cable optical fiber unit all adopt high temperature resistant material to solved the optical signal trouble problem that cable work generated heat and arouses, cable operating temperature reaches 150 ℃, makes unmanned aerial vehicle can work for a long time in all weather. Meanwhile, a layer-twisted structure is adopted to additionally weave a reinforced layer, so that the stability of the whole cable is stronger, the tensile strength reaches 3000N, and the service life of repeated winding and unwinding is greatly prolonged.
The present invention is not limited to the above embodiments, and those skilled in the art can implement the present invention in various other embodiments according to the disclosure of the present invention, and the protection scope of the present invention is defined by the following claims.
Claims (4)
1. A light-duty photoelectric composite cable which characterized in that: the light photoelectric composite cable sequentially comprises a cable core, a cable core reinforcing layer (2) and an outer sheath (1) from inside to outside; the cable core includes power line, optical fiber unit, winds covering (3), the power line with optical fiber unit is single spiral transposition as the center, winds covering (3) cladding outside the stranded line of power line and optical fiber unit.
2. A lightweight optical-electrical composite cable according to claim 1, wherein: the cable core comprises 6 power lines and 1 optical fiber unit; the power line comprises a power line conductor (5) and a power line insulating layer (4) from inside to outside in sequence; the optical fiber unit comprises an optical fiber (9), a spiral armored pipe (8), an optical fiber unit reinforcing layer (7) and an optical fiber unit sheath (6) from inside to outside in sequence.
3. A lightweight optical-electrical composite cable according to claim 2, wherein: the optical fiber (9) is a single mode optical fiber.
4. A lightweight optical-electrical composite cable according to claim 1, 2 or 3, wherein: the optical fiber unit reinforcing layer (7) and the cable core reinforcing layer (2) in the optical fiber unit are made of aramid fibers or glass yarns or poly-p-benzobisoxazole or carbon fiber materials, and the reinforcing layer fibers are coated outside the optical fiber unit and the cable core in a woven structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022652417.XU CN214312748U (en) | 2020-11-17 | 2020-11-17 | Light photoelectric composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022652417.XU CN214312748U (en) | 2020-11-17 | 2020-11-17 | Light photoelectric composite cable |
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| CN214312748U true CN214312748U (en) | 2021-09-28 |
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| CN202022652417.XU Active CN214312748U (en) | 2020-11-17 | 2020-11-17 | Light photoelectric composite cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509745A (en) * | 2020-11-17 | 2021-03-16 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Light photoelectric composite cable and manufacturing method thereof |
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- 2020-11-17 CN CN202022652417.XU patent/CN214312748U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112509745A (en) * | 2020-11-17 | 2021-03-16 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Light photoelectric composite cable and manufacturing method thereof |
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