CN114914027A - Be applied to mooring optical cable structure on unmanned aerial vehicle - Google Patents

Be applied to mooring optical cable structure on unmanned aerial vehicle Download PDF

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Publication number
CN114914027A
CN114914027A CN202210431314.1A CN202210431314A CN114914027A CN 114914027 A CN114914027 A CN 114914027A CN 202210431314 A CN202210431314 A CN 202210431314A CN 114914027 A CN114914027 A CN 114914027A
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China
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outer sheath
optical cable
unmanned aerial
aerial vehicle
layer
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CN202210431314.1A
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CN114914027B (en
Inventor
徐文利
赵莉
王迟龙
李军福
王健
王军
蒋华平
邹良龙
王士功
叶桦
徐文峰
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Huainan Wenfeng Space Cable Co ltd
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Huainan Wenfeng Space Cable Co ltd
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    • 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
    • H01B7/0009—Details relating to the conductive cores
    • 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
    • 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
    • H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
    • H01B7/181—Protections not provided for in groups H01B7/182 - H01B7/26 composed of beads or rings
    • 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
    • H01B7/182—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments
    • H01B7/183—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring comprising synthetic filaments forming part of an outer sheath
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • 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
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
    • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/04—Concentric cables

Abstract

The invention discloses a mooring optical cable structure applied to an unmanned aerial vehicle, which comprises: the end part of the cable is connected with a photoelectric switching device; the cable comprises an outer sheath and a shielding layer, wherein the outer sheath surrounds the outside of the shielding layer, the inner wall of the outer sheath is fixedly provided with a plurality of groups of second magnetic strips, and the second magnetic strips are arranged; and the steel ring in the equipment is made of hard stainless steel materials, so that the saturation of the outer sheath is kept, the outer sheath is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath is damaged by pressing is reduced.

Description

Be applied to mooring optical cable structure on unmanned aerial vehicle
Technical Field
The invention relates to the technical field of mooring optical cables, in particular to a mooring optical cable structure applied to an unmanned aerial vehicle.
Background
Unmanned aerial vehicle mooring cable subassembly is the key part of functions such as the transmission of actual small-size unmanned aerial vehicle air lift, recovery and during operation light, signal of telecommunication and equipment power, can say that unmanned aerial vehicle's cardiovascular. The mooring cable has strong mechanical property and meets the photoelectric transmission performance, and the weight of the mooring cable is reduced as much as possible on the basis. The mooring cable is used as a novel optical cable with an access mode and is mostly applied to the fields requiring special requirements such as light weight, stretch resistance and the like.
At present, unmanned aerial vehicles, aerial floating balls and the like are widely applied to cloud monitoring platforms, and mooring cables are used as carriers for connecting aerial servers and ground servers and are responsible for transmission of electric power and optical signals. The mooring cable can meet the transmission of photoelectric composite signals, and has the characteristics of high speed, small attenuation, light weight, good flexibility, high tensile strength, simultaneous transmission performance of electric power and optical signals and the like.
However, in the prior art, the mooring optical cable is easily damaged by compression; therefore, the mooring optical cable structure applied to the unmanned aerial vehicle is provided to solve the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a mooring optical cable structure applied to an unmanned aerial vehicle, which achieves the purpose of keeping concentricity between a conductor and an outer sheath in real time, so that the conductor is not easy to touch under the condition that the cable is extruded, the reliability of the conductor in the using process is improved, specifically, the outer sheath and a shielding layer are kept concentric all the time through the repulsion and the distance between a first magnetic strip and a second magnetic strip, the shielding layer can be arranged in the middle of the outer sheath in a suspending manner, and meanwhile, the heat insulation effect between the inside and the outside of the cable is improved; and the steel ring in the equipment is made of hard stainless steel materials, so that the saturation of the outer sheath is kept, the outer sheath is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath is damaged by pressing is reduced.
In order to achieve the above object, the present invention provides a tethered optical cable structure applied to an unmanned aerial vehicle, comprising:
the end part of the cable is connected with a photoelectric switching device;
the cable comprises an outer sheath and a shielding layer, wherein the outer sheath surrounds the shielding layer, second magnetic strips are fixedly arranged on the inner wall of the outer sheath, a plurality of groups of second magnetic strips are arranged in a circular array shape, first magnetic strips are fixedly arranged on the outer wall of the shielding layer, a plurality of groups of first magnetic strips are arranged in a circular array shape, the first magnetic strips and the corresponding second magnetic strips are mutually repelled and kept away, a first cavity is formed between the outer sheath and the shielding layer, and the outer sheath and the shielding layer are concentric;
the shielding layer is internally provided with a conductor and an optical cable, an armor layer is arranged between the conductor and the optical cable, and the cross section of the armor layer is of a triangular frame structure.
As a further optimization of the scheme, a steel ring is arranged inside the first cavity and is of a circular ring-shaped structure, and the steel ring is fixedly attached to the inner wall of the outer sheath.
The invention realizes the purpose of keeping concentricity between the conductor and the outer sheath in real time, so that the conductor is not easy to touch under the condition that the cable is extruded, the reliability of the conductor in the using process is improved, in particular, the outer sheath and the shielding layer are kept concentric all the time through the repulsion and the distance between the first magnetic strip and the second magnetic strip, the shielding layer can be arranged in the middle of the outer sheath in a suspending way, and meanwhile, the heat insulation effect between the inside and the outside of the cable is improved;
and the steel ring in the equipment is made of hard stainless steel materials, so that the saturation of the outer sheath is kept, the outer sheath is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath is damaged by pressing is reduced.
As a further optimization of the scheme, the section of the steel ring is circular, a plurality of groups of steel rings are arranged, and a plurality of groups of steel rings are arranged at equal intervals along the length direction of the cable.
The steel rings are arranged in multiple groups, the multiple groups of steel rings are arranged in the first cavity at equal intervals or unequal intervals, the basic appearance of the outer sheath is guaranteed, the whole outer sheath can be bent qualitatively, in the actual use process, the magnetic rings can be attached to the two side faces of the steel rings, the two groups of steel rings are mutually repelled and kept away from each other, and the multiple groups of steel rings are arranged in the first cavity at equal intervals.
As a further optimization of the above solution, a first insulating layer is provided outside the conductor.
Furthermore, the first insulating layer, the armor layer, the second insulating layer, the conductor, the outer sheath and the shielding layer are made of high-strength tensile materials, and parameters such as the outer diameter, the weight, the twisting coefficient and the like of the cable are accurately measured in each step, so that the tensile strength and the winding times are calculated.
As a further optimization of the above solution, the optical cable is externally provided with a second insulating layer.
Furthermore, the second insulating layer and the first insulating layer can be extruded by using special tensile and weather-resistant cross-linking materials (XETFE), and the composite material has the characteristics of light weight, high and low temperature resistance, oil resistance, high mechanical strength, excellent cracking resistance, high reliability in severe environment and the like.
As a further optimization of the above scheme, the optical cables are provided with three groups, and the three groups of optical cables are arranged in the middle of three surfaces outside the armor layer.
Wherein, the partial activity laminating that the optical cable is close to the shielding layer outer lane is on the inner wall of shielding layer, and the partial activity laminating that the optical cable kept away from the shielding layer outer lane is on the outer wall of armor, and the adaptation cross-section is triangle-shaped frame structure's armor for three optical cables of group keep respectively all the time in the intermediate position of three faces of armor, have guaranteed the difficult off tracking phenomenon of optical cable.
According to the scheme, the conductors are arranged in a group, the conductors are formed by bundle stranding special copper alloy monofilaments, the group of conductors are arranged in the middle of the armor layer, and the first insulating layer outside the conductors is movably attached to the three inner walls of the armor layer.
Specifically, the adaptive section of the conductor is an armor layer with a triangular frame structure, the conductor can be always kept in the middle of the armor layer, the conductor, the shielding layer and the outer sheath are always concentrically arranged, the conductor is formed by bundle stranding of special copper alloy monofilaments, and the resistance and the tensile resistance of the conductor are improved to some extent.
As a further optimization of the above scheme, a third chamber is formed between the armor layer and the conductor, the armor layer is formed by aramid fiber bundle winding, and the third chamber is filled with engine oil.
The third indoor packing is full of machine oil, and machine oil is fire-retardant, and has the effect of giving the structure heat dissipation and the lubrication of third indoor portion, avoids the cross-section to cause wearing and tearing to first insulation layer outer wall for the armor of triangle frame structure, and the armor adopts aramid fiber to restraint around the shaping, increases tensile strength.
As a further optimization of the above scheme, a second chamber is formed between the armor layer and the shielding layer, and the second chamber is filled with engine oil.
The second cavity is filled with engine oil which is flame-retardant, and the second cavity has the functions of radiating and lubricating the structure inside the second cavity, so that the situation that the cross section of the armor layer of the triangular frame structure is abraded to the inner wall of the shielding layer or the outer wall of the second insulating layer is avoided.
As a further optimization of the scheme, the outer sheath is woven by twisting black ultraviolet-resistant aramid.
The outer sheath is woven by twisting black ultraviolet-resistant aramid fiber, so that the requirements of cable appearance and ultraviolet resistance can be met;
in the device, the optical-electrical switching device is a conventional technology, and is used for respectively transmitting the electrical signal and the optical signal in the conductor and the optical cable, which is not described herein again.
The invention discloses a mooring optical cable structure applied to an unmanned aerial vehicle, which has the following beneficial effects:
1. the invention relates to a mooring optical cable structure applied to an unmanned aerial vehicle, which realizes the purpose of keeping concentricity between a conductor and an outer sheath in real time, so that the conductor is not easy to touch under the state that the cable is extruded, the reliability of the conductor in the use process is improved, concretely, the outer sheath and a shielding layer are kept concentric all the time by the repulsion and the distance of a first magnetic strip and a second magnetic strip, and the shielding layer can be arranged in the middle of the outer sheath in a suspending way, and meanwhile, the heat insulation effect between the inside and the outside of the cable is improved; the steel ring in the device is made of hard stainless steel materials, so that the saturation of the outer sheath is kept, the outer sheath is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath is damaged by pressing is reduced;
2. according to the mooring optical cable structure applied to the unmanned aerial vehicle, the steel rings are provided with a plurality of groups, the plurality of groups of steel rings are arranged in the first chamber at equal intervals or unequal intervals, the basic appearance of the outer sheath is guaranteed, the whole outer sheath can be bent qualitatively, in the actual use process, the two side faces of the steel rings can be attached with the magnetic rings, the two groups of steel rings are mutually repelled and far away, and the plurality of groups of steel rings are arranged in the first chamber at equal intervals;
3. according to the mooring optical cable structure applied to the unmanned aerial vehicle, the first insulating layer, the armor layer, the second insulating layer, the conductor, the outer sheath and the shielding layer are made of high-strength tensile materials, and parameters such as the outer diameter, the weight, the twisting coefficient and the like of the mooring rope are accurate from each step, so that the tensile strength and the winding times are calculated; the second insulating layer and the first insulating layer can be extruded by using a special tensile and weather-resistant cross-linking material (XETFE) at the same time, and have the characteristics of light weight, high and low temperature resistance, oil resistance, high mechanical strength, excellent cracking resistance, high reliability in severe environment and the like; the part of the optical cable close to the outer ring of the shielding layer is movably attached to the inner wall of the shielding layer, and the part of the optical cable far away from the outer ring of the shielding layer is movably attached to the outer wall of the armor layer, so that the armor layer with a triangular frame structure in section is adapted, three groups of optical cables are always respectively kept at the middle positions of three surfaces of the armor layer, and the phenomenon that the optical cable is not easy to deviate is ensured; the adaptive section of the conductor is an armor layer with a triangular frame structure, the conductor can be always kept in the middle of the armor layer, so that the conductor, the shielding layer and the outer sheath are always concentrically arranged, and the conductor is formed by bundle twisting special copper alloy monofilaments, so that the resistance and tensile resistance of the conductor are improved;
4. according to the mooring optical cable structure applied to the unmanned aerial vehicle, the third chamber is filled with the engine oil which is flame-retardant and has the functions of radiating and lubricating the structure inside the third chamber, so that the abrasion of the armor layer with the triangular frame structure in section on the outer wall of the first insulating layer is avoided, the armor layer is formed by winding aramid fiber bundles, and the tensile strength is increased; the second cavity is filled with engine oil which is flame-retardant and has the functions of radiating and lubricating the structure in the second cavity, so that the abrasion of the armor layer with the triangular frame structure on the inner wall of the shielding layer or the outer wall of the second insulating layer is avoided;
5. according to the mooring optical cable structure applied to the unmanned aerial vehicle, the outer sheath is woven by twisting black ultraviolet-resistant aramid fiber, and the requirements of cable appearance and ultraviolet resistance can be met.
There have been disclosed in detail certain embodiments of the invention with reference to the following description and drawings, and it is to be understood that the embodiments of the invention are not limited thereby, but are intended to cover within the spirit and scope of the appended claims, many changes, modifications, and equivalents.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a cable end construction of the present invention;
FIG. 3 is a cross-sectional view of a cable of the present invention;
fig. 4 is a schematic structural diagram of the cable connected to the optical-electrical switching device according to the present invention.
In the figure: the cable comprises a cable 1, an optical-electrical switching device 2, an outer sheath 11, a shielding layer 12, a conductor 21, an optical cable 22, an armor layer 31, a first magnetic strip 41, a second magnetic strip 42, a steel ring 51, a first insulating layer 211, a second insulating layer 221, a first cavity 111, a second cavity 121 and a third cavity 311.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
It should be noted that when an element is referred to as being "disposed on," or provided with "another element, it can be directly on the other element or intervening elements may also be present, when an element is referred to as being" connected, "or coupled to another element, it can be directly on the other element or intervening elements may be present, and" fixedly coupled "means that the element is fixedly coupled in many ways, which are not intended to be within the scope of the present disclosure, the terms" vertical, "" horizontal, "" left, "" right, "and the like are used herein for illustrative purposes only and are not intended to be a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items;
referring to the attached drawings 1-4 of the specification, the invention provides a technical scheme: a be applied to mooring optical cable structure on unmanned aerial vehicle, includes:
the cable 1, the end of the cable 1 connects with the photoelectric switching device 2;
the cable 1 comprises an outer sheath 11 and a shielding layer 12, wherein the outer sheath 11 surrounds the shielding layer 12, second magnetic strips 42 are fixedly arranged on the inner wall of the outer sheath 11, a plurality of groups of second magnetic strips 42 are arranged in a circular array shape, first magnetic strips 41 are fixedly arranged on the outer wall of the shielding layer 12, a plurality of groups of first magnetic strips 41 are arranged in a circular array shape, the first magnetic strips 41 are mutually repelled and kept away from the corresponding second magnetic strips 42, a first cavity 111 is formed between the outer sheath 11 and the shielding layer 12, and the outer sheath 11 and the shielding layer 12 are concentric;
the conductor 21 and the optical cable 22 are arranged in the shielding layer 12, the armor layer 31 is arranged between the conductor 21 and the optical cable 22, and the cross section of the armor layer 31 is of a triangular frame structure.
The steel ring 51 is arranged in the first chamber 111, the steel ring 51 is in a circular ring structure, and the steel ring 51 is fixedly attached to the inner wall of the outer sheath 11.
The invention realizes the purpose of keeping concentricity between the conductor 21 and the outer sheath 11 in real time, so that the conductor 21 is not easy to touch under the extrusion state of the cable 1, the reliability of the conductor 21 in the use process is improved, concretely, the outer sheath 11 and the shielding layer 12 keep concentricity all the time through the repulsion and the distance of the first magnetic strip 41 and the second magnetic strip 42, the shielding layer 12 can be arranged in the middle of the outer sheath 11 in a suspending way, and meanwhile, the heat insulation effect between the inside and the outside of the cable 1 is improved;
the steel ring 51 in the device is made of hard stainless steel materials, so that the saturation of the outer sheath 11 is kept, the outer sheath 11 is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath 11 is damaged by pressing is reduced.
The section of the steel ring 51 is circular, the steel ring 51 is provided with a plurality of groups, and the plurality of groups of steel rings 51 are equidistantly arranged along the length direction of the cable 1.
The steel rings 51 are provided with a plurality of groups, the plurality of groups of steel rings 51 are arranged in the first chamber 111 at equal intervals or at unequal intervals, so that the basic appearance of the outer sheath 11 is ensured, the integral outer sheath 11 can be bent in a certain way, in the actual use process, the two side surfaces of the steel rings 51 can be attached with magnetic rings, the two groups of steel rings 51 are repellent to each other and are far away from each other, and the plurality of groups of steel rings 51 are arranged in the first chamber 111 at equal intervals.
The conductor 21 is provided with a first insulating layer 211 on the outside.
Furthermore, the first insulating layer 211, the armor layer 31, the second insulating layer 221, the conductor 21, the outer sheath 11 and the shielding layer 12 are all made of high-strength tensile materials, and parameters such as the outer diameter, the weight, the twisting coefficient and the like of the cable are accurately measured in each step, so that the tensile strength and the winding times are calculated.
The outside of the optical cable 22 is provided with a second insulation layer 221.
Furthermore, the second insulating layer 221 and the first insulating layer 211 can be extruded by using special tensile and weather-resistant cross-linking materials (XETFE), and have the characteristics of light weight, high and low temperature resistance, oil resistance, high mechanical strength, excellent cracking resistance, high reliability in severe environment and the like.
The optical cables 22 are provided with three sets, and the three sets of optical cables 22 are arranged in the middle of three faces outside the armor layer 31.
Wherein, the partial activity laminating that optical cable 22 is close to shielding layer 12 outer lane is on the inner wall of shielding layer 12, and the partial activity laminating that optical cable 22 kept away from shielding layer 12 outer lane is on armor 31's outer wall, and the adaptation cross-section is triangle-shaped frame structure's armor 31 for three optical cable 22 of group keep respectively all the time in the intermediate position of three faces of armor 31, have guaranteed the difficult off tracking phenomenon of optical cable 22.
The conductors 21 are provided in a group, the conductors 21 are formed by bundle stranding special copper alloy monofilaments, the group of conductors 21 are arranged in the middle of the armor layer 31, and the first insulating layer 211 outside the conductors 21 is movably attached to the three inner walls of the armor layer 31.
Specifically, the conductor 21 adapts to the armor 31 with a triangular frame structure in cross section, the conductor 21 can be always kept in the middle of the armor 31, the conductor 21, the shielding layer 12 and the outer sheath 11 are always concentrically arranged, the conductor 21 is formed by twisting special copper alloy monofilaments, and the resistance and the tensile resistance of the conductor are improved to some extent.
A third chamber 311 is formed between the armor layer 31 and the conductor 21, the armor layer 31 is formed by winding aramid fiber bundles, and the third chamber 311 is filled with engine oil.
Being full of the machine oil in the third chamber 311, machine oil is fire-retardant, and has the effect of giving the inside structure heat dissipation of third chamber 311 and lubrication, avoids the cross-section to cause wearing and tearing for the armor 31 of triangle frame structure to first insulation layer 211 outer wall, and armor 31 adopts aramid fiber to restraint into the type, increases tensile strength.
A second chamber 121 is formed between the armor layer 31 and the shield layer 12, and the second chamber 121 is filled with engine oil.
The second chamber 121 is filled with machine oil, the machine oil is flame-retardant, and the heat dissipation and lubrication effects of the structure inside the second chamber 121 are achieved, so that the abrasion of the inner wall of the shielding layer 12 or the outer wall of the second insulating layer 221 caused by the armor layer 31 with the triangular frame structure on the cross section is avoided.
The outer sheath 11 is woven from twisted black anti-ultraviolet aramid.
The outer sheath 11 is woven by twisting black ultraviolet-resistant aramid fiber, so that the requirements of the appearance and ultraviolet resistance of the cable 1 can be met;
in the apparatus, the optical-electrical switching device 2 is a conventional technology, and is used for transmitting the electrical signal and the optical signal in the conductor 21 and the optical cable 22, respectively, which is not described herein again.
This embodiment provides a be applied to mooring optical cable structure on unmanned aerial vehicle, the working process as follows:
the invention realizes the purpose of keeping concentricity between the conductor 21 and the outer sheath 11 in real time, so that the conductor 21 is not easy to touch under the extrusion state of the cable 1, the reliability of the conductor 21 in the use process is improved, concretely, the outer sheath 11 and the shielding layer 12 keep concentricity all the time through the repulsion and the distance of the first magnetic strip 41 and the second magnetic strip 42, the shielding layer 12 can be arranged in the middle of the outer sheath 11 in a suspending way, and meanwhile, the heat insulation effect between the inside and the outside of the cable 1 is improved;
the steel ring 51 in the device is made of hard stainless steel materials, so that the saturation of the outer sheath 11 is kept, the outer sheath 11 is prevented from being pressed and deformed, the practicability is high, and the phenomenon that the internal structure of the outer sheath 11 is damaged by pressing is reduced; the steel rings 51 are provided with a plurality of groups, the plurality of groups of steel rings 51 are arranged in the first chamber 111 at equal intervals or at unequal intervals, so that the basic appearance of the outer sheath 11 is ensured, and the integral outer sheath 11 can be bent in a certain way; the first insulating layer 211, the armor layer 31, the second insulating layer 221, the conductor 21, the outer sheath 11 and the shielding layer 12 are all made of high-strength tensile materials, and parameters such as the outer diameter, the weight, the twisting coefficient and the like of the cable are accurate from each step, so that the tensile strength and the winding times are calculated; the second insulating layer 221 and the first insulating layer 211 can be extruded by using special tensile and weather-resistant cross-linking materials (XETFE), and have the characteristics of light weight, high and low temperature resistance, oil resistance, high mechanical strength, superior cracking resistance, high reliability in severe environment and the like.
The part of the optical cable 22 close to the outer ring of the shielding layer 12 is movably attached to the inner wall of the shielding layer 12, and the part of the optical cable 22 far away from the outer ring of the shielding layer 12 is movably attached to the outer wall of the armor layer 31, so that the armor layer 31 with a triangular frame structure in section is adapted, three groups of optical cables 22 are always respectively kept at the middle positions of three surfaces of the armor layer 31, and the phenomenon that the optical cable 22 is not easy to deviate is ensured; the conductor 21 adapts to the armor 31 with a triangular frame structure in section, the conductor 21 can be always kept in the middle of the armor 31, the conductor 21, the shielding layer 12 and the outer sheath 11 are always concentrically arranged, the conductor 21 is formed by stranding special copper alloy monofilaments, and the resistance and the tensile resistance of the conductor are improved to some extent.
The third chamber 311 is filled with engine oil, the engine oil is flame-retardant, and has the functions of heat dissipation and lubrication for the structure inside the third chamber 311, so that the outer wall of the first insulating layer 211 is prevented from being abraded by the armor layer 31 with the triangular frame structure, and the armor layer 31 is formed by winding aramid fiber bundles, so that the tensile strength is increased; the second chamber 121 is filled with engine oil, the engine oil is flame-retardant, and has the functions of heat dissipation and lubrication for the structure inside the second chamber 121, so that the abrasion of the armor layer 31 with the triangular frame structure in section on the inner wall of the shielding layer 12 or the outer wall of the second insulating layer 221 is avoided; the outer sheath 11 is woven by twisting black ultraviolet-resistant aramid fiber, and can meet the requirements of the appearance and ultraviolet resistance of the cable 1.
It should be understood that the present invention is not limited to the particular embodiments of the invention, but is intended to cover various modifications, equivalents, and improvements falling within the spirit and scope of the invention.

Claims (10)

1. The utility model provides a be applied to mooring optical cable structure on unmanned aerial vehicle, its characterized in that includes:
the cable (1), the end of the said cable (1) connects with the photoelectric switching device (2);
the cable (1) comprises an outer sheath (11) and a shielding layer (12), wherein the outer sheath (11) surrounds the shielding layer (12), second magnetic strips (42) are fixedly arranged on the inner wall of the outer sheath (11), a plurality of groups of the second magnetic strips (42) are arranged in a circular array, a first magnetic strip (41) is fixedly arranged on the outer wall of the shielding layer (12), a plurality of groups of the first magnetic strips (41) are arranged in a circular array, the first magnetic strips (41) are repelled and far away from the corresponding second magnetic strips (42), a first cavity (111) is formed between the outer sheath (11) and the shielding layer (12), and the outer sheath (11) and the shielding layer (12) keep concentric;
the cable is characterized in that a conductor (21) and an optical cable (22) are arranged inside the shielding layer (12), an armor layer (31) is arranged between the conductor (21) and the optical cable (22), and the cross section of the armor layer (31) is of a triangular frame structure.
2. The structure of claim 1, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: the inner part of the first cavity (111) is provided with a steel ring (51), the steel ring (51) is of a circular ring structure, and the steel ring (51) is fixedly attached to the inner wall of the outer sheath (11).
3. The structure of claim 2, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: the cross-section of steel ring (51) is circular, and steel ring (51) is provided with the multiunit, and multiunit steel ring (51) are provided with the multiunit along the length direction equidistance of cable (1).
4. The structure of claim 3, wherein the mooring optical cable structure applied to the unmanned aerial vehicle comprises: a first insulating layer (211) is provided outside the conductor (21).
5. The structure of claim 4, wherein the mooring optical cable structure applied to the unmanned aerial vehicle comprises: a second insulating layer (221) is arranged outside the optical cable (22).
6. The structure of claim 5, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: the optical cables (22) are arranged in three groups, and the three groups of optical cables (22) are arranged in the middle of three outer surfaces of the armor layer (31).
7. The structure of claim 6, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: the cable is characterized in that the conductors (21) are arranged in a group, the conductors (21) are formed by twisting specially-made copper alloy monofilaments, the group of conductors (21) are arranged in the middle of the armor layer (31), and the first insulating layer (211) outside the conductors (21) is movably attached to the three inner walls of the armor layer (31).
8. The structure of claim 7, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: form third chamber (311) between armor (31) and conductor (21), armor (31) adopt aramid fiber to restraint around the shaping, it is full of machine oil to fill in third chamber (311).
9. The structure of claim 8, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: a second cavity (121) is formed between the armor layer (31) and the shielding layer (12), and engine oil is filled in the second cavity (121).
10. The structure of claim 9, wherein the mooring optical cable structure is applied to an unmanned aerial vehicle, and comprises: the outer sheath (11) is woven by twisting black ultraviolet-resistant aramid.
CN202210431314.1A 2022-04-22 2022-04-22 Mooring optical cable structure applied to unmanned aerial vehicle Active CN114914027B (en)

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WO2024069095A1 (en) * 2022-09-30 2024-04-04 Safran Helicopter Engines Device for measuring the rotational speed of an aircraft propeller

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CN216250084U (en) * 2021-11-24 2022-04-08 新疆胡杨线缆制造有限公司 High resistant high anti ultraviolet type photovoltaic cable of waiting
CN216311374U (en) * 2021-11-14 2022-04-15 江苏远红电缆有限公司 Outdoor super gentle cable of high strength of using resistance to wears

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CN107086081A (en) * 2017-06-09 2017-08-22 安徽埃克森科技集团有限公司 A kind of induction vibration wireline for safety-protection system
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FR3140446A1 (en) * 2022-09-30 2024-04-05 Safran Helicopter Engines Device for measuring the rotational speed of an aircraft propeller

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