CN208767071U - A kind of unmanned plane mooring photoelectric composite cable - Google Patents
A kind of unmanned plane mooring photoelectric composite cable Download PDFInfo
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- CN208767071U CN208767071U CN201820510746.0U CN201820510746U CN208767071U CN 208767071 U CN208767071 U CN 208767071U CN 201820510746 U CN201820510746 U CN 201820510746U CN 208767071 U CN208767071 U CN 208767071U
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Abstract
A kind of unmanned plane mooring photoelectric composite cable, core is filled out including first and fills out three uniformly distributed electrical lead units of core center circumferential around first, it further include filling out two uniformly distributed light units of core center circumferential around first and second filling out core, wherein, two electrical lead units that two light units are filled out core with first respectively and closed on are tangent, and second to fill out two electrical lead units that core is filled out core and closed on first tangent；Described second fills out core, and with first to fill out the diameter of core equal；The electrical lead unit includes that several stranded conductors and poly(p-phenylene terephthalamide) are twisted wire rod；The light unit includes optical fiber and the TPEE casing that fiber outer layer is arranged in；Described first, which fills out core and second, fills out core as round linear poly(p-phenylene terephthalamide)；Outside is equipped with poly(p-phenylene terephthalamide) braiding layer and TPEE oversheath.The weight of optoelectronic composite cable is reduced, on the basis of meeting captive unmanned plane using function to promote the height of unmanned plane rising and the range of detecting.
Description
Technical field
The utility model relates to a kind of optoelectronic composite cables, and in particular to one kind can be tethered at high altitude operation unmanned plane and be it
The enhanced optoelectronic composite cable of power and signal transmission is provided.
Background technique
With the development of technology with the promotion of innovative product functional requirement, the unmanned planes of different purposes using increasingly extensive,
It needs rotation for a long time to stop aerial unmanned plane also to have come into operation, is tethered at multiaxis rotor wing unmanned aerial vehicle, is current unmanned plane field
One important branch.
Be tethered at multiaxis rotor wing unmanned aerial vehicle and be mainly used for long-time hovering operation, the aerial residence time up to the several months it
Long, what support was tethered at that multiaxis rotor wing unmanned aerial vehicle hovers ability for a long time is ground high voltage direct current voltage-stabilizing system, mooring photoelectric composite cable
The unique tie for then becoming the connection of both ground high voltage direct current voltage-stabilizing system and unmanned plane plays electric energy transmission and information transmission
Effect.
When unmanned plane rises, the length of optoelectronic composite cable can be continuously increased, and self weight is also being continuously increased.Due to unmanned plane
The lift of offer has critical point, this has resulted in the raised height of unmanned plane and has received the weight limitation for being tethered at cable.At present
Tether cable is broadly divided into pure hawser, is tethered at cable, tether cable, four class of mooring photoelectric composite cable in industry, wherein being tethered at light
Photoelectric compound cable includes light unit and electrical lead unit simultaneously, the most complicated in structure, is tethered in self weight relative to other
Hawser also provides no advantage against, but advantage is the most significant in terms of functionality.
Patent CN201956126U provides a kind of mooring photoelectric composite cable, solves tether cable volume, weight, anti-electromagnetism
Interference, fatigue life and it is anti-lightning strike the problems such as.Its fiber unit is stranded in one together with power supply line and filling-modified rubber
Center is filled out around core, then with the wrapped rear extrusion molding layer of polyethylene inner sheath of polyester film for constituting close cable core structure；?
Aramid fiber is twisted outside polyethylene inner sheath；Sheath in layer of polyethylene is squeezed into outside the cable core after twisted aramid fiber again, is constituted
Tensile elements layer；Alloy wire is woven outside middle sheath and lets out thunder layer, and that finally squeezes into polyethylene outer sheath the utility model is tethered at light
It is all greatly improved in the performances such as weight, volume, the transmittability of photoelectric compound cable；The reinforcer and its stranded mode of use pass through
Specially treated is crossed, so that the fatigue life of folding and unfolding repeatedly of hawser is increased to 500 times or so by original 200 times or so.
The mooring photoelectric composite cable plays tension and armouring using larger-diameter aramid fiber, and is provided with more
Layer jacket structure, volume and weight is larger, although by using optical fiber transmission signal so that the weight of tether cable, volume,
It is all greatly improved in the performances such as transmittability, but on the whole, structure type and selection still result in mooring photoelectric and answer
It is larger to close cable weight, is unfavorable for unmanned plane elevated height.
Patent CN206249950U discloses a kind of multi-functional tether cable of unmanned plane, including optoelectronic composite cable rope and infusion
Hose, multi-functional tether cable are inwardly followed successively by sheath, copper wire woven layer, insulating protective layer, insulation protection from outermost layer sheath
Include light unit, electrical lead unit, infusion tube in layer, is also filled up between light unit, electrical lead unit and infusion tube
Fill out core, in insulating protective layer with light unit, electrical lead unit, infusion tube, to fill out between core in gap be filled layer, infusion is soft
Pipe is PVC fiber reinforcement hose, can convey water, pesticide.
The tether cable mainly considers that unmanned machine operation is sprayed insecticide use, provides liquid supplying passage, but for
The weight of tether cable does not give consideration, according to the insulating protective layer of conventional design, fills out core, filled layer and optical fiber and electrical lead
Arrangement be respectively formed biggish weight.
The weight of optoelectronic composite cable itself is to limit its in the ultimate challenge of captive unmanned plane field application, if can be
Meet using the weight for reducing optoelectronic composite cable on the basis of function, all by range of height, detecting risen to unmanned plane etc.
There is the promotion of matter.
Utility model content
In view of above situation, in order to solve the problems, such as that above-mentioned technology exists, the utility model proposes a kind of unmanned plane systems
Optoelectronic composite cable is stayed, the weight of optoelectronic composite cable can be reduced, on the basis of meeting captive unmanned plane using function to mention
Rise the range of height and detecting that unmanned plane rises.
Unmanned plane mooring photoelectric composite cable according to the present utility model, including first fill out core and fill out core center around first
Three electrical lead units of circumference uniform distribution further include filling out two uniformly distributed light units of core center circumferential around first and second filling out
Core, wherein two electrical lead units that two light units are filled out core with first respectively and closed on are tangent, and second fills out core fills out with first
Core and the two electrical lead units closed on are tangent；Described second fills out core, and with first to fill out the diameter of core equal；The electrical lead
Unit includes that several stranded conductors and the poly(p-phenylene terephthalamide) being arranged between the stranded conductor are twisted wire rod, is twisted
It closes conductor and poly(p-phenylene terephthalamide) is twisted the periphery of wire rod equipped with ethylene-tetrafluoroethylene copolymer insulating layer；It is described
Light unit includes optical fiber and the TPEE casing that fiber outer layer is arranged in；Described first, which fills out core and second, fills out core as round linear poly- pair
Phenylene terepthalamide；Described first fills out core, the second outside for filling out core, electrical lead unit and light unit is equipped with and gathers to benzene two
Formyl p-phenylenediamine braiding layer, the poly(p-phenylene terephthalamide) outside of braided layer are equipped with TPEE oversheath.
Preferably, it described first fills out core/the second and fills out the outside of core and be equipped with the thin sheath of TPEE or ethylene-tetrafluoroethylene and be copolymerized
The thin sheath of object.
Preferably, the poly(p-phenylene terephthalamide) braiding layer is Fanglun 1414 and copper wire
Composite braided structures.
Preferably, the poly(p-phenylene terephthalamide) braiding layer and first fills out core, second fills out core, electrical lead unit
And poly(p-phenylene terephthalamide) is filled between light unit.Remaining gap is further filled up, overall performance is enhanced.
Preferably, several stranded conductors are that silver-plated 6th class is twisted the twisted composite guide constituted of flexible conductor fine pith
Body.
Preferably, the optical fiber is G657A2 type single mode optical fiber.
Take the utility model proposes technology after, it is multiple with mooring photoelectric according to the unmanned plane of the utility model embodiment
Cable is closed, is had the advantages that
1) weight of optoelectronic composite cable, Neng Gouxian are significantly reduced on the basis of meeting captive unmanned plane using function
Write the range for promoting height and detecting that unmanned plane rises.
2) by electrical lead unit, light unit and first fill out core and second fill out core arrangement constitute novel enhanced knot
Structure supports it mutually, not only can guarantee the realization of respective function, but also can reduce volume and weight while ensureing intensity.
3) component combination that specific structure is constructed by selection suitable material, subtracts while fully ensuring that with improving performance
Few material utilization amount, and can be reduced unnecessary other filler materials and supplementary structure.
4) by the protective layer of ethylene-tetrafluoroethylene copolymer insulation layer building conductor, by TPEE casing as optical fiber
Protective layer, with least material realize conductor and optical fiber interior isolation, can provide simultaneously electric signal and optical signal transmission and
It is independent of each other.
5) by first fill out core and second fill out core, poly(p-phenylene terephthalamide) braiding layer and TPEE oversheath building in
Outer multilayer tensile structure shares pulling force caused by pendency, is dispersed in everywhere in cable, reaches loss of weight and increase its intensity
Purpose.
Detailed description of the invention
Fig. 1 shows the unmanned plane mooring photoelectric composite cable cross-section structure of embodiment one；
Fig. 2 shows the unmanned plane of embodiment two mooring photoelectric composite cable cross-section structures.
Specific embodiment
The utility model is described in further detail below in conjunction with the embodiment that attached drawing provides.Described implementation
Example includes the various details for helping to understand, but they can only be counted as illustratively, be a part of the utility model
Embodiment, instead of all the embodiments.Unless otherwise defined, the technical term or scientific term used herein should be this
The ordinary meaning that personage in utility model fields with general technical ability is understood.Meanwhile in order to keep specification more clear
Chu is succinct, by omission pair it is well known that the detailed description of function and construction.
Embodiment one
As shown in Figure 1, a kind of unmanned plane mooring photoelectric composite cable, including first fills out core 11 and fills out in core 11 around first
Three electrical lead units 2 of heart circumference uniform distribution, further include around first fill out two uniformly distributed light units 3 of 11 center circumferential of core and
Second fills out core 12, wherein and two electrical lead units 2 that two light units 3 are filled out core 11 respectively and closed on first are tangent, and second
It is tangent to fill out two electrical lead units 2 that core 12 is filled out core 11 and closed on first；Described second, which fills out core 12 and first, fills out core 11
Diameter is equal；The electrical lead unit 2 includes several stranded conductors 21 and be arranged between the stranded conductor 21 poly- pair
Phenylene terepthalamide is twisted wire rod 22, and the periphery that stranded conductor 21 and poly(p-phenylene terephthalamide) are twisted wire rod 22 is set
There is ethylene-tetrafluoroethylene copolymer insulating layer 23；The light unit 3 includes optical fiber 31 and the TPEE set that 31 outer layer of optical fiber is arranged in
Pipe 32；Described first, which fills out core 11 and second, fills out core 12 as round linear poly(p-phenylene terephthalamide)；Described first fill out core 11,
Second outside for filling out core 12, electrical lead unit 2 and light unit 3 is equipped with poly(p-phenylene terephthalamide) braiding layer 4, described poly-
TPEE oversheath 5 is equipped on the outside of poly P phenylene diamine terephthalamide braiding layer 4.
Described first, which fills out core 11/ second, fills out the outside of core 12 equipped with the thin sheath of TPEE or ethylene-tetrafluoroethylene copolymer
Thin sheath.
The poly(p-phenylene terephthalamide) braiding layer 4 is Fanglun 1414 and the compound volume of copper wire
Knit structure.
The poly(p-phenylene terephthalamide) braiding layer 4 and first fills out core 11, second fills out core 12, electrical lead unit 2
And poly(p-phenylene terephthalamide) is filled between light unit 3.Remaining gap is further filled up, overall performance is enhanced.
Several stranded conductors 21 are that silver-plated 6th class is twisted the twisted composite conductor constituted of flexible conductor fine pith.It is described
Optical fiber 31 is G657A2 type single mode optical fiber.
According to the unmanned plane mooring photoelectric composite cable of the application, second fills out core 12, and with first to fill out the diameter of core 11 equal,
Balanced hexagonal structure is advantageously formed, guarantees there is the smallest volume while monnolithic case is round, and can be not required to
It wants to remain in the case where other auxiliary packing materials to be maintained at circumferencial direction and be respectively consistent substantially to mechanical performance.In this situation
Under, electrical lead unit 2, light unit 3 and second fill out core 12 and first fill out the diameter of core 11 substantially close to, particularly suitable for
To the substantially matched unmanned plane application of power transmission and optical fiber transmittability, can ensure using function and volume, drop
Low weight.
The stranded conductor 21 is twisted flexible conductor using silver-plated 6th class, and fine pith is twisted, first time 15-17, and second
12-14, third time 9-11.When twisted, mixed in twisted conductor poly(p-phenylene terephthalamide) (Kevlar,
KEVLAR it) is twisted together.The 2 structure beneficial effect of electrical lead unit of the application is that bending property is more superior, anticorrosive
Performance is strong, and the tension intensity that conductor is born is high, and electric conductivity is more superior.
The insulating materials of electrical lead unit 2 uses ethylene-tetrafluoroethylene copolymer, which is most tough in fluoroplastics
, while it not only maintains good heat-resisting, chemical-resistance and electrical insulation capability, radiation hardness and mechanical performance have very greatly
The improvement of degree, tensile strength can reach 50MPa, close to 2 times of polytetrafluoroethylene (PTFE).Resistance to temperature: -65 DEG C to+150 DEG C.High resistant
Combustion property.It selects this material as insulation, the advantage is that material proportion is light, there is higher tensile strength and toughness.And electrically
It can be excellent, it is only necessary to which 0.23mm thickness is just able to satisfy the voltage requirement of 600V, and if voltage class is low, insulation thickness can be into one
Step reduces.Other materials person needs 0.7mm.Its heat resistance is superior simultaneously, up to 150 DEG C, even if conductor is because of self-resistance
Fever will not generate heat damage to insulation.Cross-linked polyolefin, perfluoroethylene-propylene that the existing product that compares uses etc. is more
It is excellent.
Optical fiber 31 uses G657 (G657A2) type bend-insensitive single-mode optical fiber, compared with other single mode optical fibers, G657 light
Fine most significant feature is bend-insensitive.This means that the bending loss of G657 optical fiber is smaller.It is suitble to hawser in folding and unfolding
Shi Yinwei is bent the influence to optical fiber property, and can reduce the setting of auxiliary packing and the use of other Anti-bending structures, shows
Writing reduces volume and weight.
3 outsourcing material of light unit is using TPEE material as casing.The hardness of extra large emerald green material TPEE can from shore 30-82D,
Its elasticity and intensity are between rubber and plastics.Compared with other thermoplastic elastomer (TPE)s, at conditions of low strain, TPEE modulus
It is higher than other thermoplastic elastomer (TPE)s of same rigidity.When being important design condition with modulus, product can be reduced with TPEE
Cross-sectional area reduces material utilization amount.TPEE has high tensile strength.Compared with polyurethane (TPU), TPEE compression modulus with
Stretch modulus wants much higher TPEE and TPU production Same Part with same rigidity, and the former can bear bigger load.In room
More than temperature, TPEE bending modulus is very high, and overly hard not as TPU when low temperature thus suitable for making cantilever beam or torque
Type component is particularly suitable for production high-temperature component.The good low temperature notched impact strength of TPEE low-temperature flexibility is better than other TPE, wear-resisting
Consumption is suitable with TPU.At conditions of low strain, TPEE has excellent fatigue performance and the loss of stagnant shield is few, this feature with
High resiliency combines, and the material is made to become the ideal material under multiple repeated loading use condition.
TPEE has excellent heat resistance, and hardness is higher, and heat resistance is better；TPEE is in 110~140 DEG C of laser heatings
10h is not substantially weightless, heats 10h respectively at 160 DEG C and 180 DEG C, weightlessness is only 0.05% and 0.1%, thus the use of TPEE
Temperature is very high, and short-period used temperature is higher, adapts to the baking finish temperature (150~160 DEG C) on auto production line, and it
Loss of mechanical properties is small under high/low temperature.TPEE is used above at 120 DEG C, and tensile strength is significantly larger than TPU, and furthermore TPEE also has
There is outstanding resistance to low temperature, TPEE brittle point is lower than -70 DEG C and hardness is lower, and cold resistance is better, and most of TPEE can be -40
It is used for a long time at DEG C.Due to the equalization performance that TPEE is shown in high and low temperature, its operating temperature range is very wide, can-
70~200 DEG C of uses.
Light unit 3 passes through the fit structure of optical fiber 31 and TPEE casing 32, and intensity is high, and heatproof is high, it is possible to reduce sectional area,
And then weight is reduced, and anti-fatigue performance is excellent, it is conducive to long-term lift-off and uses.Mainly use PBT material at present in the prior art
Expect the casing as light unit, pliability is insufficient, and Tg (30 DEG C) is low, and H.D.T. is 60 DEG C under loading, and shock resistance is strong
It spends bad.
First fills out core 11 and second fills out core 12 and poly(p-phenylene terephthalamide) braiding layer 4 and first and fill out core 11,
Two fill out between core 12, electrical lead unit 2 and light unit 3 and are filled with poly(p-phenylene terephthalamide), enhance as a whole
System.
Kevlar (KEVLAR) as optoelectronic composite cable filling original part (tensile members) main function as compound mooring rope
Filling and tensile members are strong since this new material density is low, intensity is high, good toughness, high temperature resistant, easy to process and molding
Degree is 5 times of equal quality steel, but density be only steel 1/5th (Kevlar density is 1.44 grams per cubic centimeter,
Steel density is 7.859 grams per cubic centimeter).Reinforcement of this whole enhancing system of the application as optoelectronic composite cable,
It is light-weight, intensity is high, good toughness.
It is woven on the outside of optoelectronic composite cable after stranding using Kevlar (KEVLAR) material and (is similar to metallic copper to compile
Knit) poly(p-phenylene terephthalamide) braiding layer 4 is formed, enhance the supplement of system as a whole, poly- paraphenylene terephthalamide is to benzene two
Amine braiding layer 4 can be very good pulling force caused by sharing pendency, be dispersed in everywhere in cable, reaches loss of weight and increases it by force
The purpose of degree.
TPEE oversheath 5 substitutes TPU in the prior art using the emerald green material TPEE in sea, and function and effect are consistent with the above,
Loss of weight and increase its intensity while protection.
Since unmanned plane is the problem of thunderstorm weather may be subjected to lightning stroke, by being compiled in poly(p-phenylene terephthalamide)
Composite braided using Kevlar and copper progress in tissue layer 4, composition lets out Thunder Network.It increases and lets out Thunder Network intensity, also reach and let out Thunder Network
Functional requirement, as long as letting out Thunder Network resistance no more than 4 ohm.
First fill out core 11 or second fill out core 12 outside the thin sheath of one layer of TPEE or ethylene-can be arranged by co-extrusion
The thin sheath of TFE copolymer enhances protective capacities, promotes service life.
Embodiment two
As shown in Fig. 2, a kind of unmanned plane mooring photoelectric composite cable, including first fills out core 11 and fills out in core 11 around first
Three electrical lead units 2 of heart circumference uniform distribution, three electrical lead units 2 are tangent two-by-two and fill out 11 phase of core with first
It cuts；It further include filling out two uniformly distributed light units 3 of 11 center circumferential of core around first and second filling out core 12, wherein two light units 3
It is tangent with two electrical lead units 2 closing on respectively that core 12 is filled out with second；Described second diameter for filling out core 12 is greater than described the
One fills out the diameter of core 11；The electrical lead unit 2 includes several stranded conductors 21 and is arranged between the stranded conductor 21
Poly(p-phenylene terephthalamide) be twisted wire rod 22, stranded conductor 21 and poly(p-phenylene terephthalamide) are twisted wire rod 22
Periphery is equipped with ethylene-tetrafluoroethylene copolymer insulating layer 23；The light unit 3 includes optical fiber 31 and 31 outer layer of optical fiber is arranged in
TPEE casing 32；Described first, which fills out core 11 and second, fills out core 12 as round linear poly(p-phenylene terephthalamide)；Described first
Fill out core 11, the second outside for filling out core 12, electrical lead unit 2 and light unit 3 is equipped with poly(p-phenylene terephthalamide) braiding layer
4, TPEE oversheath 5 is equipped on the outside of the poly(p-phenylene terephthalamide) braiding layer 4.
The main distinction of the present embodiment and embodiment one be first fill out core 11, second fill out core 12, electrical lead unit 2 and
Structural relation between light unit 3, other structures feature are the same as example 1.It is main to consider in actual use, due to nothing
Man-machine type and the difference for executing task, it is sometimes desirable to more power supply causes 2 section of electrical lead unit bigger than normal, this
The structure of Shi Caiyong embodiment one will will cause it is unbalance, can not ensure it is each be consistent substantially to mechanical performance, in the sky by
Under the action of gravity and tractive force and wind-force, concentration of local stress, accelerated ageing or damage will lead to.It can be taken at this time by three
Root electrical lead unit 2 layout tangent to each other and uniformly distributed around center circumferential, makes electrical lead unit 2, while reducing first
The diameter of core 11 is filled out, and the second diameter for filling out core 12 is greater than the described first diameter for filling out core 11, on the one hand can ensure and still may be used
Form balanced hexagonal structure, guarantee there is the smallest volume while monnolithic case is round, and can not need it is other
It remains to be maintained at circumferencial direction in the case where auxiliary packing material and be respectively consistent substantially to mechanical performance.And it can guarantee that electric power is led
2 sectional area of line unit is larger, improves power supply performance.On the other hand, it can also ensure that first fills out core 11 and be located at three electrical lead lists
The center of member 2, center when being twisted as a whole, also as center when pulling.
Claims (4)
1. a kind of unmanned plane mooring photoelectric composite cable, which is characterized in that fill out core (11) including first and fill out core around first
(11) three uniformly distributed electrical lead units (2) of center circumferential, further include around first fill out core (11) center circumferential it is uniformly distributed two
Root light unit (3) and second fill out core (12), wherein two electricity that two light units (3) are filled out core (11) respectively and closed on first
Power lead unit (2) is tangent, and second to fill out two electrical lead units (2) that core (12) is filled out core (11) and closed on first tangent；
Described second fills out core (12), and with first to fill out the diameter of core (11) equal；The electrical lead unit (2) includes several stranded conductors
(21) and poly(p-phenylene terephthalamide) of the setting between the stranded conductor (21) is twisted wire rod (22), stranded conductor
(21) and poly(p-phenylene terephthalamide) is twisted the periphery of wire rod (22) equipped with ethylene-tetrafluoroethylene copolymer insulating layer
(23)；The light unit (3) includes the TPEE casing (32) of optical fiber (31) and setting in optical fiber (31) outer layer；Described first fills out core
(11) and second fills out core (12) as round linear poly(p-phenylene terephthalamide)；Described first fills out core (11), second fills out core
(12), the outside of electrical lead unit (2) and light unit (3) is equipped with poly(p-phenylene terephthalamide) braiding layer (4), described poly-
TPEE oversheath (5) are equipped on the outside of poly P phenylene diamine terephthalamide braiding layer (4)；The poly(p-phenylene terephthalamide) braiding
Layer (4) is Fanglun 1414 and copper wire composite braided structures.
2. a kind of unmanned plane mooring photoelectric composite cable according to claim 1, which is characterized in that described first fills out core
(11)/second the outside for filling out core (12) is equipped with the thin sheath of TPEE or the thin sheath of ethylene-tetrafluoroethylene copolymer.
3. a kind of unmanned plane mooring photoelectric composite cable according to claim 1, which is characterized in that the poly- terephthaldehyde
Acyl p-phenylenediamine braiding layer (4) and first fills out core (11), second fills out between core (12), electrical lead unit (2) and light unit (3)
It is filled with poly(p-phenylene terephthalamide).
4. a kind of unmanned plane mooring photoelectric composite cable according to claim 1, which is characterized in that several be twisted is led
Body (21) is that silver-plated 6th class is twisted the twisted composite conductor constituted of flexible conductor fine pith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820510746.0U CN208767071U (en) | 2018-04-11 | 2018-04-11 | A kind of unmanned plane mooring photoelectric composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820510746.0U CN208767071U (en) | 2018-04-11 | 2018-04-11 | A kind of unmanned plane mooring photoelectric composite cable |
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| Publication Number | Publication Date |
|---|---|
| CN208767071U true CN208767071U (en) | 2019-04-19 |
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ID=66125496
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718331A (en) * | 2019-09-27 | 2020-01-21 | 山东华苑电缆有限公司 | Unmanned aerial vehicle umbilical cable |
| CN113643849A (en) * | 2021-08-11 | 2021-11-12 | 江苏中天科技股份有限公司 | Mooring photoelectric hybrid cable |
-
2018
- 2018-04-11 CN CN201820510746.0U patent/CN208767071U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110718331A (en) * | 2019-09-27 | 2020-01-21 | 山东华苑电缆有限公司 | Unmanned aerial vehicle umbilical cable |
| CN113643849A (en) * | 2021-08-11 | 2021-11-12 | 江苏中天科技股份有限公司 | Mooring photoelectric hybrid cable |
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Granted publication date: 20190419 |