CN111210930A - Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof - Google Patents
Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof Download PDFInfo
- Publication number
- CN111210930A CN111210930A CN202010118317.0A CN202010118317A CN111210930A CN 111210930 A CN111210930 A CN 111210930A CN 202010118317 A CN202010118317 A CN 202010118317A CN 111210930 A CN111210930 A CN 111210930A
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- layer
- optical fiber
- aerial vehicle
- unmanned aerial
- concentric
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 50
- 239000013307 optical fiber Substances 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 229910001111 Fine metal Inorganic materials 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims description 15
- 238000009941 weaving Methods 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 229920000271 Kevlar® Polymers 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004761 kevlar Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
Abstract
The invention relates to the technical field of cables, and discloses a concentric unmanned aerial vehicle umbilical cable and a manufacturing process thereof, wherein the umbilical cable comprises a single-mode optical fiber, the single-mode optical fiber is used as a cable core, and an optical fiber loose sleeve, a first conductor layer, a first insulating layer, a second conductor layer, a second insulating layer, a high-strength tensile layer and an outer sheath layer which are concentric with the single-mode optical fiber are sequentially arranged on the outer layer of the single-mode optical fiber; the first conductor layer and the second conductor layer are conductive metal nets woven by fine metal wires; at the tip of umbilical cable, first conductive layer and second conductive layer strand respectively or stranded metal wire are connected to on the binding post that unmanned aerial vehicle corresponds. Compared with the traditional umbilical cable of the unmanned aerial vehicle, the umbilical cable has the advantages that the whole cable is of a concentric structure, copper wire conductors are dispersed under the condition that the tension is not changed, the outer diameter is reduced, and the total outer diameter and the total weight of the cable are further reduced. Further reduced the windage coefficient, reduced unmanned aerial vehicle's load, it is more compact to make the concentric type umbilical cable after the improvement break through traditional structure.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a concentric unmanned aerial vehicle umbilical cable and a manufacturing process thereof.
Background
Ordinary unmanned aerial vehicle umbilical cable is formed by the dedicated filler crisscross combination each other of original heart yearn, optic fibre and cable, and the unmanned aerial vehicle umbilical cable of this kind of structure although can satisfy the use, but because traditional cable structure's restriction, external diameter and weight can't further reduce again, continue the reduction and will influence unmanned aerial vehicle's service power and function. Therefore, in the umbilical of the conventional structure, if the external diameter and the weight are to be reduced, the existing structure needs to be further adjusted.
Disclosure of Invention
The invention provides a concentric unmanned aerial vehicle umbilical cable and a manufacturing process thereof, and solves the problem that the outer diameter and the weight of the umbilical cable cannot be further reduced in the prior art.
The technical scheme of the invention is realized as follows: a concentric unmanned aerial vehicle umbilical cable comprises single-mode optical fibers, wherein the single-mode optical fibers are used as cable cores, and an optical fiber loose sleeve, a first conductor layer, a first insulating layer, a second conductor layer, a second insulating layer, a high-strength tensile layer and an outer sheath layer which are concentric with the single-mode optical fibers are sequentially arranged on the outer layer of the single-mode optical fibers; the first conductor layer and the second conductor layer are conductive metal nets woven by fine metal wires; at the tip of umbilical, first conductor layer and second conductor layer strand into respectively on one or stranded metal wire connects to the binding post that unmanned aerial vehicle corresponds.
Preferably, the first insulating layer and the second insulating layer are both made of PE insulating material with specific gravity less than 1.
As a preferred technical scheme, the high-strength tensile layer is a kevlar braided layer.
Preferably, the outer sheath layer is a TPV sheath layer.
As a preferred technical solution, the first conductor layer and the second conductor layer are respectively used for electrically connecting the positive electrode and the negative electrode of the dc power supply.
A manufacturing process of a concentric unmanned aerial vehicle umbilical cable comprises the following steps:
1) taking the single-mode optical fiber as a center, and extruding an insulating material outside the single-mode optical fiber to form an optical fiber loose sleeve;
2) tightly wrapping a plurality of fine metal wires outside the optical fiber loose sleeve by weaving or winding to form a first conductor layer;
3) extruding an insulating material outside the first conductor layer to form a first insulating layer;
4) tightly wrapping a plurality of fine metal wires with the outer side of the first insulating layer through weaving or winding to form a second conductor layer;
5) extruding an insulating material outside the second conductor layer to form a second insulating layer;
6) weaving tensile fibers on the second insulating layer through a weaving machine to form a high-strength tensile layer;
7) and extruding and wrapping an insulating material outside the high-strength tensile layer to form an outer sheath layer.
As a preferable technical scheme, in step 1, polyester yarns are arranged on the outer side of the single-mode optical fiber, and when the optical fiber loose sleeve is formed by extrusion, the polyester yarns and the single-mode optical fiber are tightly wrapped.
The invention has the beneficial effects that: compared with the traditional umbilical cable of the unmanned aerial vehicle, the umbilical cable has the advantages that the whole cable is of a concentric structure, copper wire conductors are dispersed under the condition that the tension is not changed, the outer diameter is reduced, and the total outer diameter and the total weight of the cable are further reduced. Further reduced the windage coefficient, reduced unmanned aerial vehicle's load, it is more compact to make the concentric type umbilical cable after the improvement break through traditional structure.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a conventional umbilical;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
fig. 3 is a schematic electrical connection diagram according to an embodiment of the present invention.
In the figure, 1-single mode fiber; 2-optical fiber loose sleeve; 3-a first conductor layer; 4-a first insulating layer; 5-a second conductor layer; 6-a second insulating layer; 7-a high strength tensile layer; 8-an outer jacket layer; 9-a wiring terminal; 10-a core wire; 11-a first wire; 12-second conductor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments, and the description of the embodiments is provided to help understanding of the present invention, but not to limit the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. 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, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, a general umbilical cable is formed by twisting a plurality of core wires 10, the core wires inside the umbilical cable may be twisted pairs or special communication cables, a filler is disposed between the core wires 10, and an outer sheath layer 8 is disposed at the outermost layer.
Because inside heart yearn 10 itself has certain external diameter, many heart yearns 10 and the filler between them can make the whole external diameter of umbilical too big certainly, and the external diameter and the weight of umbilical are directly proportional, and consequently the umbilical external diameter is big, must make unmanned aerial vehicle's load increase.
As shown in fig. 2 and 3, the present invention relates to a concentric type unmanned aerial vehicle umbilical cable, which includes a single mode fiber 1, the single mode fiber 1 is used as a cable core, and an optical fiber loose sleeve 2, a first conductor layer 3, a first insulation layer 4, a second conductor layer 5, a second insulation layer 6, a high strength tensile layer 7 and an outer sheath layer 8 concentric with the single mode fiber 1 are sequentially disposed on an outer layer of the single mode fiber 1; the first conductor layer 3 and the second conductor layer 5 are conductive metal meshes woven by fine metal wires, and the metal wires are preferably copper wires.
At the tip of umbilical, first conductor layer 3 and second conductor layer 5 strand one or stranded metal wire are connected to on the binding post 9 that unmanned aerial vehicle corresponds into respectively.
The optical fiber loose sleeve 2 is used for protecting the optical fiber and reducing the tensile force damage of the external to the optical fiber.
The first insulating layer 4 and the second insulating layer 6 are made of PE insulating material with specific gravity smaller than 1 so as to reduce the weight of the umbilical cable.
The high-strength tensile layer 7 is a Kevlar braided layer to enhance the tensile strength added by the cable.
The outer sheath layer 8 is an ultraviolet-resistant TPV sheath layer with small specific gravity and high mechanical strength.
In this embodiment, preferably, the first conductor layer 3 and the second conductor layer 5 are respectively used for electrically connecting the positive electrode and the negative electrode of the power supply, that is, used as the power supply line of the drone.
The invention relates to a manufacturing process of a concentric type unmanned aerial vehicle umbilical cable, which comprises the following steps:
1) taking the single-mode optical fiber 1 as a center, extruding and wrapping an insulating material outside the single-mode optical fiber 1 to form an optical fiber loose sleeve 2, arranging polyester yarns outside the single-mode optical fiber 1, and tightly wrapping the polyester yarns and the single-mode optical fiber 1 when the optical fiber loose sleeve 2 is formed by extrusion;
2) tightly wrapping a plurality of fine metal wires outside the optical fiber loose sleeve 2 through weaving or winding to form a first conductor layer 3;
3) extruding an insulating material outside the first conductor layer 3 to form a first insulating layer 4;
4) tightly wrapping a plurality of fine metal wires with the outer side of the first insulating layer 4 through weaving or winding to form a second conductor layer 5;
5) extruding an insulating material outside the second conductor layer 5 to form a second insulating layer 6;
6) weaving tensile fibers outside the second insulating layer 6 by a weaving machine to form a high-strength tensile layer 7;
7) and extruding an insulating material outside the high-strength tensile layer 7 to form an outer sheath layer 8.
In this embodiment, as shown in fig. 3, in the connection mode of the umbilical cable, at two ends of the umbilical cable, the outer sheath layer 8, the high-strength tensile layer 7 and the second insulating layer 6 are cut open, the second conductor layer 5 is exposed, the metal wires constituting the second conductor layer 5 are twisted into one or more second wires 12, the outer side of the second wires 12 is wound with an insulating tape, the first insulating layer 4 is continuously cut open, the first conductor layer is exposed, the metal wires constituting the first conductor layer 3 are twisted into one or more first wires 11, and the first wires 11 are wound with the insulating tape; and continuously splitting the optical fiber loose sleeve 2, winding an isolation adhesive tape on the outer layer of the single-mode optical fiber 1, ensuring insulation between the first lead 11 and the second lead 12, and connecting the first lead 11, the second lead 12 and the single-mode pipeline with the corresponding connecting terminal 9.
According to the invention, the light material is adopted, and the annular wire mesh is used as a conductor to be connected with the unmanned aerial vehicle, so that the umbilical cable has the advantages of smaller outer diameter, lighter weight and more simplified structure.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A concentric unmanned aerial vehicle umbilical cable is characterized by comprising a single mode optical fiber, wherein the single mode optical fiber is used as a cable core, and an optical fiber loose sleeve, a first conductor layer, a first insulation layer, a second conductor layer, a second insulation layer, a high-strength tensile layer and an outer sheath layer which are concentric with the single mode optical fiber are sequentially arranged on the outer layer of the single mode optical fiber; the first conductor layer and the second conductor layer are conductive metal nets woven by fine metal wires; at the tip of umbilical, first conductor layer and second conductor layer strand into respectively on one or stranded metal wire connects to the binding post that unmanned aerial vehicle corresponds.
2. The concentric unmanned aerial vehicle umbilical of claim 1, wherein: the first insulating layer and the second insulating layer are made of PE insulating materials with specific gravity smaller than 1.
3. The concentric unmanned aerial vehicle umbilical of claim 1, wherein: the high-strength tensile layer is a Kevlar woven layer.
4. The concentric unmanned aerial vehicle umbilical of claim 1, wherein: the outer jacket layer is a TPV jacket layer.
5. The concentric unmanned aerial vehicle umbilical of claim 1, wherein: the first conductor layer and the second conductor layer are respectively used for electrically connecting the positive electrode and the negative electrode of the power supply.
6. The utility model provides a manufacturing process of concentric type unmanned aerial vehicle umbilical cable which characterized in that: the method comprises the following steps:
1) taking the single-mode optical fiber as a center, and extruding an insulating material outside the single-mode optical fiber to form an optical fiber loose sleeve;
2) tightly wrapping a plurality of fine metal wires outside the optical fiber loose sleeve by weaving or winding to form a first conductor layer;
3) extruding an insulating material outside the first conductor layer to form a first insulating layer;
4) tightly wrapping a plurality of fine metal wires with the outer side of the first insulating layer through weaving or winding to form a second conductor layer;
5) extruding an insulating material outside the second conductor layer to form a second insulating layer;
6) weaving tensile fibers on the second insulating layer through a weaving machine to form a high-strength tensile layer;
7) and extruding and wrapping an insulating material outside the high-strength tensile layer to form an outer sheath layer.
7. The process of manufacturing a concentric unmanned aerial vehicle umbilical of claim 6, wherein: in the step 1, polyester yarns are arranged on the outer side of the single-mode optical fiber, and when the optical fiber loose sleeve is formed by extrusion, the polyester yarns and the single-mode optical fiber are tightly wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118317.0A CN111210930A (en) | 2020-02-26 | 2020-02-26 | Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010118317.0A CN111210930A (en) | 2020-02-26 | 2020-02-26 | Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN111210930A true CN111210930A (en) | 2020-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010118317.0A Pending CN111210930A (en) | 2020-02-26 | 2020-02-26 | Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205984399U (en) * | 2016-09-07 | 2017-02-22 | 北京大工科技有限公司 | Optoelectrical composite cable and staying unmanned aerial vehicle |
| CN208622478U (en) * | 2018-09-03 | 2019-03-19 | 珠海市双捷科技有限公司 | One kind being tethered at coaxial cable |
| CN109585082A (en) * | 2017-09-29 | 2019-04-05 | 中航光电科技股份有限公司 | A kind of special type optoelectronic composite cable |
| CN109830343A (en) * | 2019-01-09 | 2019-05-31 | 安徽中邦特种电缆科技有限公司 | A kind of light aircraft photoelectric combined cable |
| CN209343847U (en) * | 2018-11-02 | 2019-09-03 | 杨峰 | Contact line, contact net and unmanned plane |
| CN110718331A (en) * | 2019-09-27 | 2020-01-21 | 山东华苑电缆有限公司 | Unmanned aerial vehicle umbilical cable |
| CN211237759U (en) * | 2020-02-26 | 2020-08-11 | 山东华苑电缆有限公司 | Concentric unmanned aerial vehicle umbilical cable |
-
2020
- 2020-02-26 CN CN202010118317.0A patent/CN111210930A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205984399U (en) * | 2016-09-07 | 2017-02-22 | 北京大工科技有限公司 | Optoelectrical composite cable and staying unmanned aerial vehicle |
| CN109585082A (en) * | 2017-09-29 | 2019-04-05 | 中航光电科技股份有限公司 | A kind of special type optoelectronic composite cable |
| CN208622478U (en) * | 2018-09-03 | 2019-03-19 | 珠海市双捷科技有限公司 | One kind being tethered at coaxial cable |
| CN209343847U (en) * | 2018-11-02 | 2019-09-03 | 杨峰 | Contact line, contact net and unmanned plane |
| CN109830343A (en) * | 2019-01-09 | 2019-05-31 | 安徽中邦特种电缆科技有限公司 | A kind of light aircraft photoelectric combined cable |
| CN110718331A (en) * | 2019-09-27 | 2020-01-21 | 山东华苑电缆有限公司 | Unmanned aerial vehicle umbilical cable |
| CN211237759U (en) * | 2020-02-26 | 2020-08-11 | 山东华苑电缆有限公司 | Concentric unmanned aerial vehicle umbilical cable |
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