CN210443290U

CN210443290U - 10MPa longitudinal watertight photoelectric composite cable

Info

Publication number: CN210443290U
Application number: CN201921340146.5U
Authority: CN
Inventors: 王维亚; 徐颖; 边文斌
Original assignee: Kunshan Spectrum Electronic Technology Co ltd
Current assignee: Kunshan Spectrum Electronic Technology Co ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-05-01
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a 10MPa vertical watertight photoelectricity composite cable, including the power group that a plurality of power cords constitute, the outer parcel of power group has main shielding layer, it has a plurality of packing ropes to distribute between power group and the main shielding layer, the shielding layer distributes outward has a plurality of signal group and a plurality of light unit group, constitute total core structure, total core structure distributes outward and has interior around the area, it has the inner sheath to distribute outward around the area, the inner sheath distributes outward and has the weaving layer, the weaving layer distributes outward and has the outer band of winding, it has the oversheath to distribute outward around the band of outward. Therefore, the mode of coating the water-blocking glue is adopted in the twisting process, and the longitudinal watertight performance of 10MPa can be effectively realized. The double-layer shielding of the aluminum-clad plastic tape and the woven tinned copper wire is adopted to meet the electromagnetic shielding requirement. The electric cabling/pair twisting gap is filled with water-blocking colloid, and the 10MPa longitudinal watertight requirement can be realized. The underwater cable protection device has a composite armor structure, and ensures the protection of the cable when underwater equipment is used for penetrating a cabin.

Description

10MPa longitudinal watertight photoelectric composite cable

Technical Field

The utility model relates to a composite cable especially relates to a 10MPa vertical watertight photoelectricity composite cable.

Background

The 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, and can solve the problems of broadband access, equipment power consumption and signal transmission.

However, the existing composite cable is only suitable for use in conventional environments, and for submarine laying, the corresponding pressure-resistant effect cannot be achieved, and water leakage and damage are easy to occur.

Meanwhile, in combination with a longitudinal watertight cable of the prior art of patent No. 201711381271.6, a longitudinal watertight cable of patent No. 201720990870.7, a longitudinal watertight cable of patent No. 201921767088.x, a longitudinal watertight cable of patent No. 201810401254.2, a low-smoke low-toxicity large-depth bus watertight coaxial cable, a longitudinal watertight cable/electric wire of patent No. 200510023498.7, a longitudinal watertight stream photoelectric composite cable of patent No. 201811385961.3 and a production method, various structures conforming to the cable are provided, but the watertight use requirement of 10MPa cannot be met.

In view of the above-mentioned drawbacks, the present designer actively makes research and innovation to create a 10MPa longitudinal watertight photoelectric composite cable, which has industrial value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims at providing a 10MPa vertical watertight photoelectricity composite cable.

The utility model discloses a 10MPa vertical watertight photoelectricity composite cable, including the power group that a plurality of power cords constitute, wherein: the power cord set is wrapped by a main shielding layer, a plurality of filling ropes are distributed between the power cord set and the main shielding layer, a plurality of signal cord sets and a plurality of optical unit groups are distributed outside the shielding layer to form a total core body structure, inner wrapping tapes are distributed outside the total core body structure, inner sheaths are distributed outside the wrapping tapes, braided layers are distributed outside the inner sheaths, outer wrapping tape is distributed outside the braided layers, and outer sheaths are distributed outside the outer wrapping tape.

Further, the 10MPa longitudinal watertight photoelectric composite cable, wherein the total core structure comprises at least 1 power line group, 7 signal line groups, and 2 light unit groups.

Furthermore, according to the 10MPa longitudinal watertight photoelectric composite cable, the power line is an extruded insulated power line, the extruded insulated power line forms a power line body through three-core cabling, a water-blocking colloid is coated outside the power line body, and an aluminum-plastic composite tape is wound outside the water-blocking colloid.

Furthermore, in the 10MPa longitudinal watertight photoelectric composite cable, the main shielding layer and the auxiliary main shielding layer are braided tinned copper wire shielding layers.

Furthermore, foretell 10MPa vertical watertight photoelectricity composite cable, wherein, the signal line group is including the signal line body, the signal line body is crowded outward and is wrapped up insulating material, constitutes the signal sinle silk, the signal sinle silk is to the transposition back and is scribbled the colloid that blocks water, constitutes the product signal line, finished product model line wraps up outward has vice shielding layer, vice shielding layer coats outward and is scribbled the colloid that blocks water.

Furthermore, in the 10MPa longitudinal watertight photoelectric composite cable, the optical unit group includes a longitudinal watertight tightly-wrapped optical fiber, the optical fiber body is formed by a six-core cabling manner, the optical fiber body is wrapped with a non-woven fabric, and a water-blocking colloid is filled between the optical fiber body and the non-woven fabric.

Still further, in the 10MPa longitudinal watertight photoelectric composite cable, the inner sheath and the outer sheath are both polyurethane sheaths.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

1. and a water-blocking glue coating mode is adopted in the twisting process, so that the longitudinal watertight performance of 10MPa can be effectively realized.

2. The double-layer shielding of the aluminum-clad plastic tape and the woven tinned copper wire is adopted to meet the electromagnetic shielding requirement.

3. The electric cabling/pair twisting gap is filled with water-blocking colloid, and the 10MPa longitudinal watertight requirement can be realized.

4. The underwater cable protection device has a composite armor structure, and ensures the protection of the cable when underwater equipment is used for penetrating a cabin.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

FIG. 1 is a schematic structural diagram of a 10MPa longitudinal watertight photoelectric composite cable.

The meanings of the reference symbols in the drawings are as follows.

1 power cord set 2 filling rope

3 main shielding layer 4 inner sheath

5 inner wrapping band 6 outer wrapping band

7 braided layer 8 outer sheath

9 optical unit group 10 signal line group

11 auxiliary shielding layers

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The 10MPa longitudinal watertight photoelectric composite cable shown in figure 1 comprises a power line group 1 formed by a plurality of power lines, and is characterized in that: the power cord set 1 is wrapped by a main shielding layer 3, and a plurality of filling ropes 2 are distributed between the power cord set 1 and the main shielding layer 3 to ensure that the power cord set is not collapsed. Meanwhile, a plurality of signal wire groups 10 and a plurality of optical unit groups 9 are distributed outside the shielding layer to form a total core body structure. In order to meet the requirements of effective sealing performance and pressure resistance, an inner wrapping tape 5 is distributed outside the total core body structure. In addition, in order to realize multi-level armor protection distribution, an inner sheath 4 is distributed outside the wrapping tape, a braided layer 7 (which can be braided by steel wires to improve strength) is distributed outside the inner sheath 4, an outer wrapping tape 6 is distributed outside the braided layer 7, and an outer sheath 8 is distributed outside the outer wrapping tape 6. Of course, in consideration of normal use requirements and meeting the requirements of stable transmission of power and signals, the total core structure adopted includes at least 1

power line group

1, 7

signal line groups

10 and 2 optical unit groups 9. In practical implementation, 3 power lines, 7 pairs of super-five network lines and 12-core optical fibers can be included.

Combine the utility model relates to an embodiment of preferred sees, considers stable power transmission, satisfies the operation needs of all kinds of deep sea equipment, and the power cord is crowded package insulated power cord, and crowded package insulated power cord constitutes the power cord body through three-core stranding, and the glue that blocks water has been coated outside the power cord body, and the glue that blocks water has the plastic-aluminum composite tape around wrapping outward, possess the water-proof effects of preferred, the infiltration can not appear. The inner sheath 4 and the outer sheath 8 are both polyurethane sheaths. Therefore, on one hand, the flexibility of the cable is ensured, on the other hand, the vulcanization construction is convenient to carry out on the use site, and the applicability and the maintainability of the cable are improved.

Further, considering the needs of ocean exploration, ocean exploitation and deep sea information transmission, the signal line group 10 comprises a signal line body, the signal line body is externally extruded with an insulating material to form a signal line core, the signal line core is coated with a water-blocking colloid after being twisted in pairs to form a product signal line, a finished product type line is externally wrapped with an auxiliary shielding layer 11, and the auxiliary shielding layer 11 is externally coated with the water-blocking colloid. Meanwhile, the adopted optical unit group 9 comprises a longitudinal watertight tightly-wrapped optical fiber, a six-core cabling mode is adopted to form an optical fiber body, a non-woven fabric is wrapped outside the optical fiber body, and a water-blocking colloid is filled between the optical fiber body and the non-woven fabric. In addition, the main shielding layer 3 and the auxiliary shielding layer 11 are braided tinned copper wire shielding layers so that signals among the power line group 1, the signal line group 10 and the optical unit group 9 are not interfered with each other.

The forming process of the utility model is as follows:

after comprehensive gluing and extrusion insulation of the power line conductor, gluing is carried out in a three-core cabling wrapping mode, and finally weaving wrapping gluing is carried out to form the power line group.

After the signal wire conductor is coated with glue and extruded and insulated, the signal wire conductor is coated with glue in a pair-twisting mode. And then, weaving, lapping and gluing to form a signal wire group.

The optical fiber was coated with silicone gel and buffered by extrusion. And then, cabling, lapping and gluing are carried out to form the optical unit group.

And then combining the corresponding number of power line groups, signal line groups and optical unit groups into a cable, and installing an inner sheath. And then, after weaving, wrapping and gluing, adding an outer sheath to form the fabric.

According to the actual test, a complete sample of more than 1.5 meters is taken according to 4.5.24 regulations in GJB1916, one end of the cable is placed in a watertight tank, the other end of the cable passes through a sealing element and is exposed at the outer end of the watertight tank, the outer end of the cable is used for collecting water drops leaked out by a dry container, and the volume of the water is measured after the test is finished. The utility model discloses can accord with this national standard requirement.

Through foretell expression of characters and combination of the attached drawing can be seen, adopt the utility model discloses afterwards, possess following advantage:

Furthermore, the indication directions or positional relationships described in the present invention are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the indicated device or structure must have a specific direction or operate in a specific directional configuration, and therefore, should not be construed as limiting the present invention.

The terms "primary" and "secondary" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "primary" or "secondary" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1.10MPa vertical watertight photoelectricity composite cable, including the power cord group that a plurality of power cords constitute, its characterized in that: the power cord set is wrapped by a main shielding layer, a plurality of filling ropes are distributed between the power cord set and the main shielding layer, a plurality of signal cord sets and a plurality of optical unit groups are distributed outside the shielding layer to form a total core body structure, inner wrapping tapes are distributed outside the total core body structure, inner sheaths are distributed outside the wrapping tapes, braided layers are distributed outside the inner sheaths, outer wrapping tape is distributed outside the braided layers, and outer sheaths are distributed outside the outer wrapping tape.

2. The 10MPa longitudinal watertight photoelectric composite cable of claim 1, wherein: the total core structure comprises at least 1 power line group, 7 signal line groups and 2 optical unit groups.

3. The 10MPa longitudinal watertight photoelectric composite cable of claim 1, wherein: the power line is an extruded insulated power line, the extruded insulated power line forms a power line body through three-core cabling, a water-blocking colloid is coated outside the power line body, and an aluminum-plastic composite belt is wound outside the water-blocking colloid.

4. The 10MPa longitudinal watertight photoelectric composite cable of claim 1, wherein: the main shielding layer is a braided tinned copper wire shielding layer.

5. The 10MPa longitudinal watertight photoelectric composite cable of claim 1, wherein: the signal group is including the signal line body, the signal line body is crowded package insulating material outward, constitutes the signal sinle silk, the signal sinle silk is to scribbling after twisting and is blocked water the colloid, constitutes the product signal line, the outer parcel of product signal line has vice shielding layer, vice shielding layer coats outward and is scribbled the colloid that blocks water.

6. The 10MPa longitudinal watertight photoelectric composite cable of claim 5, wherein: the auxiliary shielding layer is a braided tinned copper wire shielding layer.

7. The 10MPa longitudinal watertight photoelectric composite cable of claim 1, wherein: the inner sheath and the outer sheath are both polyurethane sheaths.