CN218447346U

CN218447346U - Underwater dragging photoelectric composite cable

Info

Publication number: CN218447346U
Application number: CN202222369021.3U
Authority: CN
Inventors: 黄师伟; 徐轶辉; 鲍继锦
Original assignee: Suheng Cable Nantong Co ltd
Current assignee: Suheng Cable Nantong Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-03
Anticipated expiration: 2032-09-07

Abstract

The utility model discloses a drag photoelectric composite cable under water, including first electric unit and interior sheath, first electric unit one side is equipped with the signal line, signal line one side is equipped with the central line, the central line outside is equipped with three optical unit, wherein two be equipped with second electric unit between the optical unit, the utility model discloses a set up first electric unit, signal line, central line, interior sheath and enhancement layer, communication signal's transmission under higher mechanical stress environment under the deep sea water environment, protective sheath and interior sheath and enhancement layer have stronger marine water resistance to the cable protection, and the enhancement layer can improve composite cable's stretching resistance, improves composite cable's stretching resistance effect, and it is not good to have solved current photoelectric composite cable to drag the stretching resistance effect under water, leads photoelectric composite cable to take place fracture or damage easily, influences the problem of the practicality of photoelectric composite cable under water use.

Description

Underwater dragging photoelectric composite cable

Technical Field

The utility model belongs to the technical field of the photoelectric composite cable, especially, relate to a drag photoelectric composite cable under water.

Background

The photoelectric composite cable is suitable for being used as a transmission line in a broadband access network system, is a novel access mode, integrates optical fibers and transmission copper wires, can solve the problems of broadband access, equipment power consumption and signal transmission, combines the advantages of the cable and the optical cable, adopts low-smoke halogen-free materials, meets the requirements of the use environment of ships, adopts water-blocking glue filling and water-blocking tape wrapping, and meets the requirements of water tightness; adopt aramid fiber stranded rope, improve cable tensile strength, adopt low density material, reach and subtract heavy showy purpose, adopt anti microbending optic fibre, have decay and reduce, the frequency band is wide, communication capacity is big, relay distance is long, anti-electromagnetic interference, the security is strong, the external diameter is little, light in weight, density is less than sea water density, reduces the pulling force that pulls, resistant warping, wear-resisting, can receive and release the use repeatedly.

The existing patent publication No. CN203503365U discloses a watertight dragging photoelectric composite cable, which comprises a double-core cable unit, an optical cable unit, a tensile reinforcement, filling water-blocking glue, a wrapping layer and a sheath layer, wherein the tensile reinforcement is arranged between the cable unit and the optical cable unit, the water-blocking filling is arranged in the cable unit, the peripheries of the optical cable unit, the cable unit and the tensile reinforcement are the wrapping layer, and the periphery of the wrapping layer is the sheath layer. The advantages are that: the product organically combines cable transmission electric energy and optical cable high-performance signal transmission, has strong information throughput and high-speed data transmission, realizes seamless butt joint of an underwater submarine and a battle group, meets the requirements of horizontal and longitudinal watertight and floating, has the characteristics of high tensile strength, flexibility resistance, oil resistance, aging resistance and the like, can be repeatedly collected and reused, is used as a key element of underwater maintenance detection equipment and seabed positioning equipment, and effectively ensures the power supply of the detection head and the transmission of detection signals.

Based on the search of the above patent and the discovery of combining the underwater dragging photoelectric composite cable in the prior art, when the above photoelectric composite cable is actually applied, the problems in the prior art are: the existing photoelectric composite cable has poor tensile resistance effect when being dragged underwater, and the existing photoelectric composite cable is easy to break or damage, so that the practicability of the photoelectric composite cable used underwater is influenced.

SUMMERY OF THE UTILITY MODEL

The problem to prior art exists, the utility model provides a drag photoelectric composite cable under water possesses the stretching resistance that improves photoelectric composite cable, avoids photoelectric composite cable to take place damage or fracture when dragging the use under water, improves the practicality of photoelectric composite cable use's advantage, and it is not good to have solved the stretching resistance effect that current photoelectric composite cable dragged under water, leads to photoelectric composite cable breaking or damage easily, influences the practicality of photoelectric composite cable under water's problem.

The utility model relates to a realize like this, a drag photoelectric composite cable under water, including first electric unit and interior sheath, first electric unit one side is equipped with the signal line, signal line one side is equipped with the central line, the central line outside is equipped with three optical unit, wherein two be equipped with the second electric unit between the optical unit for carry out the interior sheath of protecting to optical unit, first electric unit, second electric unit and signal line, interior sheath one side is equipped with the enhancement layer, enhancement layer outside cover is equipped with the oversheath, interior sheath and oversheath are the low density polyethylene material.

As the utility model discloses it is preferred, the signal line is two, two the signal line is the pair twist setting, the signal line diameter is 2mm.

As the utility model discloses preferred, the central line is located interior sheath central point and puts, sheath is inboard including optical unit, first electric unit and second electric unit are the circumference arrangement.

As the utility model discloses preferred, the enhancement layer inboard is equipped with the filler, the filler is the water absorption inflation type glue that blocks water.

As the utility model discloses preferred, first electric unit 1 and the symmetrical setting of second electric unit 5, first electric unit and second electric unit diameter are 0.75mm.

As the utility model discloses preferred, the central line is central reinforcement core, central reinforcement core is the ductile metallic member.

As the utility model discloses preferred, the enhancement layer is double-deck, the enhancement layer is that one deck aramid fiber plays the armor structure of reinforcing effect is woven again to the transposition in outmost for ectonexine aramid fiber SZ.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the cooperation of first electric unit, signal line, central line, optical unit, second electric unit, interior sheath, enhancement layer and oversheath and use, interior sheath and oversheath are the low density polyethylene material, and optical unit, first electric unit, second electric unit and signal line are located interior sheath inboard and are the circumference arrangement, and the transmission of communication signal under higher mechanical stress environment can be closed to the deep sea water environment to the compound cable of photoelectricity, and protective sheath and interior sheath and enhancement layer have stronger sea water resistance to cable protection, and the enhancement layer can improve the stretching resistance of compound cable, improves the stretching resistance effect of compound cable.

2. The utility model discloses a set up the signal line is two, two the signal line is the pair twist setting, the signal line diameter is 2mm, can improve two signal lines and carry out the effect transmitted to the signal.

3. The utility model discloses a set up the central line is located interior sheath central point and puts, the sheath is inboard including optical unit, first electric unit and second electric unit are arranged for the circumference, and the central line can support optical unit, first electric unit and second electric unit fixedly, can make optical unit, first electric unit and second electric unit and interior sheath laminating.

4. The utility model adopts the water absorption expansion type water-blocking glue for sealing and filling by arranging the filler, and fills the space of the reinforced layer to achieve the watertight requirement and enhance the compression resistance; and meanwhile, a layer of water blocking tape is tightly wrapped when the core wires are cabled, so that glue is prevented from overflowing, and the towing cable structure is more compact.

5. The utility model discloses a set up first electric unit and second electric unit symmetry set up, first electric unit and second electric unit diameter are 0.75mm, can increase the pull resistance and the electric power transmission's of first electric unit and second electric unit stable effect.

6. The utility model discloses a set up the central line is central reinforcement core, central reinforcement core is the ductile metallic member, can improve the effect that composite cable carries out resistant bending, takes place damage or fracture when can preventing composite cable from dragging.

7. The utility model discloses a set up the enhancement layer is double-deck, the enhancement layer is the armor structure that one deck aramid fiber plays the reinforcing effect again outmost weaving to the transposition for ectonexine aramid fiber SZ, aramid fiber armor enhancement layer structure, weaves the reinforced effect that one deck aramid fiber played composite cable again, improves composite cable's tensile resistance.

Drawings

Fig. 1 is a schematic structural diagram provided by an embodiment of the present invention.

In the figure: 1. a first electrical unit; 2. a signal line; 3. a centerline; 4. a light unit; 5. a second electrical unit; 6. an inner sheath layer; 7. a reinforcing layer; 8. an outer sheath; 9. and (4) filling materials.

Detailed Description

For further understanding the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1, the embodiment of the utility model provides a pair of drag photoelectricity composite cable under water, including first electric unit 1 and interior sheath 6, first electric unit 1 one side is equipped with

signal line

2, 2 one sides of signal line are equipped with central line 3, the 3 outsides of central line are equipped with three optical unit 4, wherein two be equipped with second electric unit 5 between the optical unit 4, interior sheath 6 one side is equipped with enhancement layer 7, 7 outside covers of enhancement layer are equipped with oversheath 8, interior sheath 6 and oversheath 8 are the low density polyethylene material.

The scheme is adopted: through the cooperation that sets up first electrical unit 1, signal line 2, central line 3, optical unit 4, second electrical unit 5, interior sheath 6, enhancement layer 7 and oversheath 8 and use, interior sheath 6 and oversheath 8 are the low density polyethylene material, and optical unit 4, first electrical unit 1, second electrical unit 5 and signal line 2 are located 6 inboards in the sheath and are the circumference array, and the transmission of communication signal under the high mechanical stress environment can be closed to the compound cable of photoelectricity, and protective sheath and interior sheath 6 and enhancement layer 7 have stronger resistant waterborne to cable protection, and the reinforcing layer 7 can improve the stretching resistance of compound cable, improves the stretching resistance effect of compound cable.

Referring to fig. 1, the number of the signal lines 2 is two, the two signal lines 2 are twisted in pairs, and the diameter of each signal line 2 is 2mm.

The scheme is adopted: through setting up signal line 2 is two, two signal line 2 is the pair twist setting, 2 diameters of signal line are 2mm, can improve two signal line 2 and carry out the effect of transmission to the signal.

Referring to fig. 1, the central line 3 is located at the center of the inner sheath 6, and the optical unit 4, the first electrical unit 1 and the second electrical unit 5 are circumferentially arranged outside the inner sheath 6.

The scheme is adopted: through setting up central line 3 is located interior sheath 6 central point and puts, sheath 6 is inboard including optical unit 4, first electric unit 1 and second electric unit 5 are the circumference range, and central line 3 can support fixedly optical unit 4, first electric unit 1 and second electric unit 5, can make optical unit 4, first electric unit 1 and second electric unit 5 and interior sheath 6 laminating.

Referring to fig. 1, a filler 9 is arranged on the inner side of the reinforcing layer 7, and the filler 9 is a water-swelling type water-blocking glue.

The scheme is adopted: the filler 9 is arranged, the filler 9 is water-absorbing expansion type water-blocking glue, and the water-absorbing expansion type water-blocking glue is adopted for sealing and filling and is filled in gaps of the reinforcing layer 7 so as to meet the watertight requirement and enhance the compression resistance; and meanwhile, a layer of water blocking tape is tightly wrapped when the core wires are cabled, so that glue is prevented from overflowing, and the towing cable structure is more compact.

Referring to fig. 1, the first electrical unit 1 and the second electrical unit 5 are symmetrically arranged, and the first electrical unit 1 and the second electrical unit 5 are both 0.75mm in diameter.

Adopt above-mentioned scheme: by arranging the first electric unit 1 and the second electric unit 5 symmetrically, the diameters of the first electric unit 1 and the second electric unit 5 are both 0.75mm, and the tensile strength of the first electric unit 1 and the second electric unit 5 and the stable effect of power transmission can be increased.

Referring to fig. 1, the centerline 3 is a central reinforcing core that is a ductile metallic member.

The scheme is adopted: through setting up central line 3 is the central core of strengthening, the central core of strengthening is the ductile metallic spare, can improve the effect that compound cable carried out resistant bending, can prevent to take place damage or fracture when the compound cable drags.

Referring to fig. 1, the reinforcing layer 7 is a double layer, and the reinforcing layer 7 is an armor structure in which an inner layer and an outer layer of aramid fibers are stranded in the SZ direction and a layer of aramid fibers is woven at the outermost layer to play a reinforcing role.

Adopt above-mentioned scheme: through setting up the enhancement layer 7 is the bilayer, the armor structure that one deck aramid fiber plays the reinforcing effect is woven again to transposition for ectonexine aramid fiber SZ to the enhancement layer 7, aramid fiber armor enhancement layer structure, weaves the reinforced effect that one deck aramid fiber played composite cable again, improves composite cable's tensile resistance.

The utility model discloses a theory of operation:

in conclusion: the underwater dragging photoelectric composite cable is used in a matched mode through the arrangement of the first electric unit 1, the signal line 2, the central line 3, the optical unit 4, the second electric unit 5, the inner protection layer 6, the reinforcing layer 7 and the outer sheath 8, the inner protection layer 6 and the outer sheath 8 are made of low-density polyethylene materials, the optical unit 4, the first electric unit 1, the second electric unit 5 and the signal line 2 are located on the inner side of the inner protection layer 6 and are arranged in a circle mode, the photoelectric composite cable can transmit communication signals in a high mechanical stress environment in a deep sea water environment, the protective protection layer, the inner protection layer 6 and the reinforcing layer 7 have high sea water resistance to cable protection, the reinforcing layer 7 can improve the tensile resistance of the composite cable, the tensile resistance effect of the composite cable is improved, and the problems that the existing photoelectric composite cable is poor in tensile resistance effect when being dragged underwater, the photoelectric composite cable is prone to breakage or damage, and the practicability of the photoelectric composite cable is affected when being used underwater are solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tow photoelectricity composite cable under water, includes first electric unit (1) and interior sheath (6), its characterized in that: first electrical unit (1) one side is equipped with signal line (2), signal line (2) one side is equipped with central line (3), central line (3) outside is equipped with three optical unit (4), two of them be equipped with second electrical unit (5) between optical unit (4), interior sheath (6) one side is equipped with enhancement layer (7), enhancement layer (7) outside cover is equipped with oversheath (8), interior sheath (6) and oversheath (8) are the low density polyethylene material.

2. The underwater towed opto-electrical composite cable of claim 1, wherein: the number of the signal wires (2) is two, the two signal wires (2) are arranged in a twisted pair mode, and the diameter of each signal wire (2) is 2mm.

3. The underwater towed photovoltaic composite cable of claim 1, wherein: the central line (3) is located at the central position of the inner protective layer (6), and the optical unit (4), the first electric unit (1) and the second electric unit (5) are circumferentially arranged on the inner side of the inner protective layer (6).

4. The underwater towed opto-electrical composite cable of claim 1, wherein: and a filler (9) is arranged on the inner side of the reinforcing layer (7), and the filler (9) is water-absorbing expansion type water-blocking glue.

5. The underwater towed opto-electrical composite cable of claim 1, wherein: the first electric unit (1) and the second electric unit (5) are symmetrically arranged, and the diameters of the first electric unit (1) and the second electric unit (5) are both 0.75mm.

6. The underwater towed opto-electrical composite cable of claim 1, wherein: the central line (3) is a central reinforcing core which is a flexible metal piece.

7. The underwater towed opto-electrical composite cable of claim 1, wherein: the reinforced layer (7) is double-layer, and the reinforced layer (7) is an armor structure with an inner layer and an outer layer of aramid fibers SZ-direction twisted and a layer of aramid fibers woven on the outermost layer to play a reinforcing role.