CN208622478U - One kind being tethered at coaxial cable - Google Patents
One kind being tethered at coaxial cable Download PDFInfo
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- CN208622478U CN208622478U CN201821438240.XU CN201821438240U CN208622478U CN 208622478 U CN208622478 U CN 208622478U CN 201821438240 U CN201821438240 U CN 201821438240U CN 208622478 U CN208622478 U CN 208622478U
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- coaxial cable
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Abstract
The utility model provides one kind and is tethered at coaxial cable, wherein, including optical cable fibre core, the first braiding conductive layer, insulating layer, the second braiding conductive layer, layer and aramid fiber tensile layer are draped over one's shoulders outside, first braiding conductive layer is coated on outside optical cable fibre core, insulating layer is coated on outside the first braiding conductive layer, second braiding conductive layer is coated on outside insulating layer, is draped over one's shoulders layer outside and is coated on outside the second braiding conductive layer, and aramid fiber tensile layer is coated on outer drape over one's shoulders outside layer.This, which is tethered at coaxial cable, has the advantages that small, light-weight, the flexible height of cross-sectional area, calorific value is low and wearability is good.
Description
Technical field
The utility model relates to unmanned plane technical field of cables, specifically, being to be related to one kind to be tethered at coaxial cable.
Background technique
The existing unmanned plane that is tethered at is required to realize the power supply for being tethered at unmanned plane and communication transfer by being tethered at cable, with
Guarantee, which is tethered at unmanned plane, to fly and be communicated for a long time.But traditional being tethered in cable is that each route is mutually only
It is vertical, so that the problems such as cross section for being tethered at cable is big, unit length cable weight is big and the hardness of cable is big is caused, so that giving
The folding and unfolding for taking off, continuing a journey and being tethered at cable for being tethered at unmanned plane brings inconvenience and puzzlement.In addition, traditional is tethered at cable
There is also it is not wear-resisting, be easy the problems such as hot so that when being tethered at towed cable, folding and unfolding cable outer surface be easy fluffing, very
It to being easy to cause cable to be broken, is integrally scrapped so that being tethered at cable, influences operation completion, cause economic loss.
Summary of the invention
To solve the above-mentioned problems, it is small, light-weight, flexible to be to provide a kind of cross-sectional area for the main purpose of the utility model
High, calorific value is low and what wearability was good is tethered at coaxial cable.
In order to realize the main purpose of the utility model, the utility model provides one kind and is tethered at coaxial cable, wherein including
Optical cable fibre core, insulating layer, the second braiding conductive layer, drapes over one's shoulders layer and aramid fiber tensile layer at the first braiding conductive layer outside, and the first braiding is conductive
Layer is coated on outside optical cable fibre core, and insulating layer is coated on outside the first braiding conductive layer, and the second braiding conductive layer is coated on outside insulating layer,
It drapes over one's shoulders layer outside to be coated on outside the second braiding conductive layer, aramid fiber tensile layer is coated on outer drape over one's shoulders outside layer.
One Preferable scheme is that, aramid fiber tensile layer is woven by a plurality of Kafra fiber line.
Further embodiment is that the item number of Kafra fiber line is 15 to 17, and the denier of Kafra fiber line is 800
Denier, 1000 denier or 1200 denier.
Further scheme is that the item number of Kafra fiber line is 16, and the denier of Kafra fiber line is 1000 denier.
Another Preferable scheme is that, first braiding conductive layer is woven by more the first tinned wird of ingot groups, second compile
Conductive layer is knitted to be woven by more the second tinned wird of ingot groups.
Further embodiment is that the number of spindles of the first tinned wird group is 15 ingots to 17 ingots, each the first tinned wird of ingot group
It being twisted by 5 to 7 the first tinned wirds, the diameter of the first tinned wird of each is 0.05 millimeter to 0.07 millimeter,
The number of spindles of second tinned wird group is 15 ingots to 17 ingots, and each ingot the second tinned wird group is twisted by 5 to 7 the second tinned wirds
It closes, the diameter of the second tinned wird of each is 0.05 millimeter to 0.07 millimeter.
Further scheme is that the number of spindles of the first tinned wird group is 16 ingots, and each ingot the first tinned wird group is by 6
First tinned wird is twisted, and the diameter of the first tinned wird of each is 0.06 millimeter, the number of spindles of the second tinned wird group
For 16 ingots, each ingot the second tinned wird group is twisted by 6 the second tinned wirds, the diameter of the second tinned wird of each
It is 0.06 millimeter.
Further scheme is that optical cable fibre core is single mode optical fiber.
Further scheme is to drape over one's shoulders layer outside and be made of silica gel.
Further scheme is that insulating layer is made of silicon rubber.
Therefore the utility model by be tethered at coaxial cable structure design so that being tethered at coaxial cable has
Photoelectricity complex function, and effectively reduce and be tethered at the cross-sectional area of coaxial cable mitigates the coaxial cable that is tethered at of unit length
Weight and the flexibility for improving cable, moreover it is possible to effectively improve the wearability and thermal insulation for being tethered at coaxial cable.Wherein, optical cable
Fibre core meets the communication need for being tethered at unmanned plane, the first braiding conductive layer and the second braiding conductive layer are used for for carrying out Tongxu
It carries out conductive, realizes and be powered to being tethered at unmanned plane, and be arranged between the first braiding conductive layer and the second braiding conductive layer
Insulating layer can be avoided the first braiding conductive layer and the second braiding conductive layer is shorted.It can be same to being tethered in addition, draping over one's shoulders layer outside
Axis cable plays insulation and heat-insulated effect, to avoid coaxial cable excessive heating, hot is tethered at.It is being tethered at coaxial cable most
Outer layer setting aramid fiber tensile layer can be improved the tensile strength for being tethered at coaxial cable, and improve the wearability for being tethered at coaxial cable,
Fluffing problem occurs due to friction to avoid coaxial cable is tethered at during towed, folding and unfolding.
Detailed description of the invention
Fig. 1 is the cross-sectional view that the utility model is tethered at coaxial cable embodiment.
The following is a further explanation of the present invention with reference to the accompanying drawings and embodiments.
Specific embodiment
The coaxial cable provided by the utility model that is tethered at is mainly used for assisting being powered and communicate biography to be tethered at unmanned plane
It is defeated, it is illustrated below in conjunction be tethered at coaxial cable of the Fig. 1 to the utility model.
Be tethered at coaxial cable 100 include optical cable fibre core 1, first weave conductive layer 2, insulating layer 3, second weave conductive layer 4,
Layer 5 and aramid fiber tensile layer 6 are draped over one's shoulders outside, wherein the first braiding conductive layer 2 is coated on optical cable fibre core 1, and insulating layer packet 3 is compiled first
It knits on conductive layer 2, the second braiding conductive layer 4 cladding on the insulating layer 3, drapes over one's shoulders layer 5 outside and is coated on the second braiding and lead in 4 electric layer, virtue
Synthetic fibre tensile layer 6 is coated on outer drape over one's shoulders on layer 5.Wherein, optical cable fibre core 1 can be single mode optical fiber or multimode fibre, it is preferable that optical cable fibre core
1 selects single mode optical fiber, and the model of single mode optical fiber is preferably AWG22-6C.
First braiding conductive layer 2 is woven by more the first tinned wird of ingot groups, wherein the number of spindles of the first tinned wird group
For 15 ingots to 17 ingots, and each ingot the first tinned wird group is twisted by 5 to 7 the first tinned wirds, each first
The diameter of tinned wird is 0.05 millimeter to 0.07 millimeter.Preferably, the number of spindles of the first tinned wird group is 16 ingots, each ingot the
One tinned wird group is twisted by 6 the first tinned wirds, and the diameter of the first tinned wird of each is 0.06 millimeter.
Second braiding conductive layer 4 is woven by more the second tinned wird of ingot groups, wherein the number of spindles of the second tinned wird group
For 15 ingots to 17 ingots, and each ingot the second tinned wird group is twisted by 5 to 7 the second tinned wirds, each second
The diameter of tinned wird is 0.05 millimeter to 0.07 millimeter.Preferably, the number of spindles of the second tinned wird group is 16 ingots, each ingot the
Two tinned wird groups are twisted by 6 the second tinned wirds, and the diameter of the second tinned wird of each is 0.06 millimeter.
First braiding conductive layer 2 and the second braiding conductive layer 4 are used to be tethered at unmanned plane and are to be tethered at unmanned plane power supply
External power supply is attached, so that external power supply can be to be tethered at unmanned plane to be powered by being tethered at coaxial cable 100,
Guarantee, which is tethered at unmanned plane, can have enough cruising abilities.In addition, the first braiding conductive layer 2 and the second braiding conductive layer 4 are also
There is function of shielding, for shielding the external signal for being tethered at coaxial cable 100, to avoid external signal to being tethered at coaxial cable 100
Optical cable fibre core 1 signal transmission impact.And it is the setting of insulating layer 3 is conductive in the first braiding electric conductor 2 and the second braiding
Between body 4, insulating layer 3 separates the first braiding electric conductor 2 and the second braiding electric conductor 4, avoids the first volume
Knit causes to be tethered at coaxial cable 100 short circuit occurs between electric conductor 2 and the second braiding electric conductor 4 due to occurring being electrically connected.
It drapes over one's shoulders layer 5 outside to be made of silica gel, wherein the minimum thickness for draping over one's shoulders layer 5 outside can be 0.28 millimeter, and drape over one's shoulders layer by the way that setting is outer
5, the outer layer 5 that drapes over one's shoulders protects the braiding conductive layer 2 of optical cable fibre core 1, first wrapped up and the second braiding conductive layer 4
Shield, and play waterproof action.In addition, the outer layer 5 that drapes over one's shoulders of silica gel support can effectively completely cut off the braiding conduction of optical cable fibre core 1, first
The heat that layer 2 and the second braiding conductive layer 4 generate, to avoid the surface for being tethered at coaxial cable 100 hot.
Aramid fiber tensile layer 6 is woven by a plurality of Kafra fiber line, wherein the item number of Kafra fiber line be 15 extremely
17, and the denier of each Kafra fiber line is 800 denier, 1000 denier or 1200 denier.Preferably, the item of Kafra fiber line
Number is 16, and the denier of Kafra fiber line is 1000 denier.Had by the thread aramid fiber tensile layer 6 of Kafra fiber excellent
Tensile strength can bear the pulling force up to double centner, so as to effectively improve be tethered at coaxial cable 100 whole tension it is strong
Degree.In addition, also there is permanent heatproof combustion resistance, antistatic property by the thread aramid fiber tensile layer 6 of Kafra fiber, can be resistant to
The erosion of soda acid and organic solvent meets fire and does not generate molten drop and toxic gas, and 6 cloth cover of aramid fiber tensile layer can increase when chance fire
Thickness enhances leakproofness and does not rupture.Furthermore also had by the thread aramid fiber tensile layer 6 of Kafra fiber wear-resisting high, anti-
The strong advantage of lancinating.
Wherein, diameter is bent in the use for being tethered at coaxial cable 100 be no more than 5 for 120 millimeters, wire rod maximum hoist weight
Kilogram, deflect frequency be 20 times per minute under conditions of, the number that deflects provided by the utility model for being tethered at coaxial cable 100 can
Up to 120,000 times or more, and the coaxial cable 100 provided by the utility model that is tethered at, after 50,000 times deflect, essential electrical transmits
Performance is as follows:
Decay (dB/km)≤3.5/1.5;
Bandwidth (MHZkm) >=160/200.
In addition, the flame retardant property test provided by the utility model for being tethered at coaxial cable 100 is as follows:
According to UL1851 VW-1 testing standard, 1 meter is sampled to coaxial cable 100 is tethered at, requires to be tried according to UL1851
Sample is placed in standard combustion experiment case for burning 15 seconds, being spaced and rest 15 seconds at room temperature, and repeats 5 by sample production
After secondary, experimental result is to light the flames of anger, prolong combustion phenomenon without residue, nothing.
The wear-resisting property test provided by the utility model for being tethered at coaxial cable 100 is as follows:
1 meter is sampled to coaxial cable 100 is tethered at, sample is placed on reciprocating friction experimental apparatus platform, applies 1 kilogram
Pressure is tested on sample, and with the speed of 0.2 metre per second (m/s), 70 centimetres of frictional distance friction sample 500 times or more repeatedly
As a result still phozy to be tethered at the outer surface of coaxial cable 100.
To sum up, provided by the utility model to be tethered at coaxial cable not only and have photoelectricity complex function, but also there is cross section
Small, light-weight, the flexible advantage high, calorific value is low and wearability is good of product.
Finally it is emphasized that the above is only the preferred embodiment of the present invention, it is not limited to this reality
With novel, for those skilled in the art, the utility model can have various change and change, all in the utility model
Spirit and principle within, any modification, equivalent substitution, improvement and etc. done should be included in the protection model of the utility model
Within enclosing.
Claims (10)
1. one kind is tethered at coaxial cable characterized by comprising
Optical cable fibre core;
First braiding conductive layer, the first braiding conductive layer are coated on outside the optical cable fibre core;
Insulating layer, the insulating layer are coated on outside the first braiding conductive layer;
Second braiding conductive layer, the second braiding conductive layer are coated on outside the insulating layer;
Layer is draped over one's shoulders outside, and the outer layer that drapes over one's shoulders is coated on outside the second braiding conductive layer;
Aramid fiber tensile layer, the aramid fiber tensile layer are coated on outside described and drape over one's shoulders outside layer.
2. according to claim 1 be tethered at coaxial cable, it is characterised in that:
The aramid fiber tensile layer is woven by a plurality of Kafra fiber line.
3. according to claim 2 be tethered at coaxial cable, it is characterised in that:
The item number of the Kafra fiber line is 15 to 17;
The denier of the Kafra fiber line is 800 denier, 1000 denier or 1200 denier.
4. according to claim 3 be tethered at coaxial cable, it is characterised in that:
The item number of the Kafra fiber line is 16;
The denier of the Kafra fiber line is 1000 denier.
5. according to claim 1 be tethered at coaxial cable, it is characterised in that:
The first braiding conductive layer is woven by more the first tinned wird of ingot groups;
The second braiding conductive layer is woven by more the second tinned wird of ingot groups.
6. according to claim 5 be tethered at coaxial cable, it is characterised in that:
The number of spindles of the first tinned wird group is 15 ingots to 17 ingots, and the first tinned wird group described in each ingot is by 5 articles to 7 articles the
One tinned wird is twisted, and the diameter of the first tinned wird described in each is 0.05 millimeter to 0.07 millimeter;
The number of spindles of the second tinned wird group is 15 ingots to 17 ingots, and the second tinned wird group described in each ingot is by 5 articles to 7 articles the
Two tinned wirds are twisted, and the diameter of the second tinned wird described in each is 0.05 millimeter to 0.07 millimeter.
7. according to claim 6 be tethered at coaxial cable, it is characterised in that:
The number of spindles of the first tinned wird group is 16 ingots, and the first tinned wird group described in each ingot is described first tin plating by 6
Copper wire is twisted, and the diameter of the first tinned wird described in each is 0.06 millimeter;
The number of spindles of the second tinned wird group is 16 ingots, and the second tinned wird group described in each ingot is described second tin plating by 6
Copper wire is twisted, and the diameter of the second tinned wird described in each is 0.06 millimeter.
8. according to any one of claims 1 to 7 be tethered at coaxial cable, it is characterised in that:
The optical cable fibre core is single mode optical fiber.
9. according to claim 8 be tethered at coaxial cable, it is characterised in that:
Layer is draped over one's shoulders outside described to be made of silica gel.
10. according to claim 9 be tethered at coaxial cable, it is characterised in that:
The insulating layer is made of silicon rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821438240.XU CN208622478U (en) | 2018-09-03 | 2018-09-03 | One kind being tethered at coaxial cable |
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CN201821438240.XU CN208622478U (en) | 2018-09-03 | 2018-09-03 | One kind being tethered at coaxial cable |
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CN208622478U true CN208622478U (en) | 2019-03-19 |
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CN201821438240.XU Active CN208622478U (en) | 2018-09-03 | 2018-09-03 | One kind being tethered at coaxial cable |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111081411A (en) * | 2019-12-09 | 2020-04-28 | 河北碳垣纳米科技有限公司 | Carbon nanotube fiber flexible cable |
CN111210930A (en) * | 2020-02-26 | 2020-05-29 | 山东华苑电缆有限公司 | Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof |
-
2018
- 2018-09-03 CN CN201821438240.XU patent/CN208622478U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111081411A (en) * | 2019-12-09 | 2020-04-28 | 河北碳垣纳米科技有限公司 | Carbon nanotube fiber flexible cable |
CN111210930A (en) * | 2020-02-26 | 2020-05-29 | 山东华苑电缆有限公司 | Concentric unmanned aerial vehicle umbilical cable and manufacturing process thereof |
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