CN213815585U - Submarine cable for deep water - Google Patents
Submarine cable for deep water Download PDFInfo
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- CN213815585U CN213815585U CN202022477864.6U CN202022477864U CN213815585U CN 213815585 U CN213815585 U CN 213815585U CN 202022477864 U CN202022477864 U CN 202022477864U CN 213815585 U CN213815585 U CN 213815585U
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Abstract
The utility model discloses a submarine cable is used to deep water, including the cable core, the outside cladding of cable core is provided with the oversheath, and characteristics are that the cable core includes an at least insulation core, and insulation core includes the conductor, and the conductor includes inner conductor layer and the outer conductor layer that sets gradually from inside to outside, and inner conductor layer is the carbon fiber stick, and the outer conductor layer is the copper conductor, and the copper conductor cladding sets up in the outside of carbon fiber stick, and the outside cladding of conductor is provided with conductor shielding layer, insulating layer and insulation shielding layer in proper order, and the oversheath cladding sets up insulation shielding layer's outside. The cable has the advantages that the conductor of the insulated wire core is composed of the inner conductor layer and the outer conductor layer which are sequentially arranged from inside to outside, wherein the inner conductor layer is a carbon fiber rod, the outer conductor layer is a copper conductor, and the carbon fiber rod has the characteristics of small mass and high strength, so that the dead weight of the cable body can be effectively reduced, the cable is favorable for laying, meanwhile, the rigidity of the dynamic section of the cable body can be effectively increased, and the cable is favorable for laying in deep water.
Description
Technical Field
The utility model relates to a submarine cable especially relates to a submarine cable is used to deep water.
Background
Submarine cables are cables wrapped by insulating materials, laid on the sea bottom and used for telecommunication transmission. At present, the common submarine cable in the market generally adopts metal armor for protection, however, when the water depth of seawater reaches more than 2000 meters, the strength of the metal armor cannot meet the performance requirement of the submarine cable, so that the performance and the strength of the submarine cable which generally adopts the metal armor for protection are poor when the submarine cable is used in deep water; in addition, the submarine cable with metal armor has larger dead weight, so that the laying difficulty is also larger.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a submarine cable for deep water that simple structure, dead weight are light, intensity and performance are good, are suitable for and use in deep water.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model provides a submarine cable for deep water, includes the cable core, the outside cladding of cable core be provided with the oversheath, the cable core include an at least insulation core, insulation core include the conductor, the conductor include inner conductor layer and outer conductor layer that sets gradually from inside to outside, inner conductor layer be the carbon fiber stick, outer conductor layer be the copper conductor, the copper conductor cladding set up carbon fiber stick's outside, the outside cladding of conductor set gradually conductor shielding layer, insulating layer and insulation shielding layer, the oversheath cladding set up insulation shielding layer's outside.
The cable comprises three insulated wire cores, wherein the three insulated wire cores are twisted to form the cable core, a cabling wrapping belt is wrapped outside the cable core, and an outer sheath is wrapped outside the cabling wrapping belt.
A first semi-conductive waterproof layer is arranged between the copper conductor and the conductor shielding layer, the first semi-conductive waterproof layer is coated outside the copper conductor, and the conductor shielding layer is coated outside the first semi-conductive waterproof layer; the insulation shielding layer is coated with a metal shielding layer, and the metal shielding layer is coated with a second semi-conductive waterproof layer. Through the first semi-conductive water-resistant layer and the second semi-conductive water-resistant layer, on the premise that the whole weight is not increased, the cable core has better waterproof and water-resistant performances.
The outer cladding of the second semi-conductive water-blocking layer is wound with an aluminum-plastic composite belt which enables the insulated wire core to be in a full-circle structure, and the outer cladding of the aluminum-plastic composite belt is provided with an inner sheath. The whole insulated wire core can be in a full circle structure by the aluminum-plastic composite tape, so that the waterproof and water-resistant performance of the cable core is further enhanced.
The filling layer is filled when the cable cores are stranded in a cabling way, the cable cores are in a full-circle structure through the filling layer and are coated into the cable through the cabling wrapping belt, and the filling layer is internally provided with an optical unit. The filling layer is used for promoting the cable core to be in a full circle structure, and the optical unit is arranged in the cable core, so that the waterproof performance requirement of the optical unit is ensured to the maximum extent.
The filling layer is formed by uniformly distributing three filling structures with the same structure, each filling structure comprises a first inner framework, a second inner framework and an outer framework, the inner diameters of the first inner framework and the second inner framework are matched with the outer diameter of the inner sheath, the outer diameter of the outer framework is matched with the inner diameter of the outer sheath, the inner end of the first inner framework is connected with the inner end of the second inner framework through an inwards-concave arc-shaped connecting framework, the inner diameter of the arc-shaped connecting framework is matched with the outer diameter of the optical unit, the outer ends of the first inner framework and the second inner framework are respectively connected with two ends of the outer framework, and a plurality of supporting frameworks are arranged between the first inner framework and the outer framework; the optical unit inlay establish the arc connect the skeleton in, the optical unit with the arc connect the skeleton laminating setting, first inner frame with the second inner frame respectively with correspond the inner sheath laminating setting, the cabling band around the package set up the outer skeleton outside. Above-mentioned filling layer simple structure, the hollow structure's that constitutes by first inner frame, second inner frame and exoskeleton filling structure has the advantage that the quality is light, save material on ensureing to play the basis of stabilizing the filling effect, and the support chassis that sets up between inner frame and exoskeleton is used for ensureing to support intensity.
The supporting framework is obliquely arranged. The supporting framework is obliquely arranged, so that the filling structure can provide more firm and stable supporting strength.
The insulated wire core is a single wire, a first semi-conductive waterproof layer is arranged between the copper conductor and the conductor shielding layer, the first semi-conductive waterproof layer is arranged outside the copper conductor in a coating mode, and the conductor shielding layer is arranged outside the first semi-conductive waterproof layer in a coating mode; the cable-forming belt is wound outside the second semi-conductive waterproof layer. Through the first semi-conductive water-resistant layer and the second semi-conductive water-resistant layer, on the premise that the whole weight is not increased, the cable core has better waterproof and water-resistant performances.
The metal shielding layer is a copper wire wound outside the insulating shielding layer.
And a copper strip is wound and arranged outside the copper wire. The metal shielding layer formed by matching the copper wire and the copper strip has more excellent shielding performance.
Compared with the prior art, the utility model has the advantages of: the conductor of the insulated wire core is composed of an inner conductor layer and an outer conductor layer which are sequentially arranged from inside to outside, wherein the inner conductor layer is a carbon fiber rod, the outer conductor layer is a copper conductor, the carbon fiber rod has the characteristic of small mass but high strength, the dead weight of the cable body can be effectively reduced, the cable body is favorable for laying, meanwhile, the rigidity of the dynamic section of the cable body can be effectively increased, the carbon fiber rod has the characteristic of high strength, an armor layer is not required to be additionally arranged on the submarine cable, the defect that the use strength of armor in deep sea or deep water is possibly insufficient is effectively avoided, and the cable is favorable for laying in deep water.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a filling structure in a first embodiment of the present invention;
fig. 3 is a schematic structural view of the plastic member of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The first embodiment is as follows: the utility model provides a submarine cable for deep water, including the cable core, the outside cladding of cable core is provided with oversheath 1, the cable core includes an at least insulation core, insulation core includes conductor 2, conductor 2 includes inner conductor layer 201 and outer conductor layer 202 that sets gradually from inside to outside, inner conductor layer 201 is the carbon fiber stick, outer conductor layer 202 is the copper conductor, the copper conductor cladding sets up the outside at the carbon fiber stick, the outside cladding of conductor 2 has set gradually conductor shielding layer 3, insulating layer 4 and insulation shielding layer 5, the outside of oversheath 1 cladding setting is in insulation shielding layer 5's outside.
In this specific embodiment, the number of the insulated wire cores is three, the three insulated wire cores are twisted to form a cable core, the exterior of the cable core is wrapped with the cabling tape 6, and the outer sheath 1 is wrapped and arranged on the exterior of the cabling tape 6.
In this embodiment, a first semi-conductive water-resistant layer 7 is disposed between the copper conductor and the conductor shielding layer 3, the first semi-conductive water-resistant layer 7 is disposed outside the copper conductor in a cladding manner, and the conductor shielding layer 3 is disposed outside the first semi-conductive water-resistant layer 7 in a cladding manner; the insulating shielding layer 5 is coated with a metal shielding layer 8, and the metal shielding layer 8 is coated with a second semi-conductive water-resistant layer 9. Through the first semi-conductive water-resistant layer 7 and the second semi-conductive water-resistant layer 9, on the premise that the whole weight is not increased, the cable core has good waterproof and water-resistant performances.
In this embodiment, the second semi-conductive water-resistant layer 9 is wrapped with an aluminum-plastic composite tape 10 for making the insulated wire core in a round structure, and the outer surface of the aluminum-plastic composite tape 10 is wrapped with an inner sheath 11. The aluminum-plastic composite tape 10 can make the whole insulated wire core be in a full circle structure, so as to further enhance the waterproof and water-resistant performance of the cable core.
In this embodiment, a filling layer is filled during cabling and stranding of the cable core, the cable core is in a full circle structure through the filling layer and is wrapped by the cabling tape 6 to form a cable, and the filling layer is provided with the optical unit 12. The filling layer is used for promoting the cable core to be in a full circle structure, and the optical unit 12 is arranged in the cable core, so that the waterproof performance requirement of the optical unit 12 is ensured to the maximum extent.
In this specific embodiment, the filling layer is formed by uniformly distributing three filling structures T having the same structure, each filling structure T includes a first inner frame T1, a second inner frame T2 and an outer frame T3, inner diameters of the first inner frame T1 and the second inner frame T2 are matched with an outer diameter of the inner sheath 11, an outer diameter of the outer frame T3 is matched with an inner diameter of the outer sheath 1, an inner end of the first inner frame T1 is connected with an inner end of the second inner frame T2 through an inwardly recessed arc-shaped connecting frame T5, an inner diameter of the arc-shaped connecting frame T5 is matched with an outer diameter of the optical unit 12, outer ends of the first inner frame T1 and the second inner frame T2 are respectively connected with two ends of the outer frame T3, and a plurality of supporting frames T4 are arranged between the first inner frame T1 and the second inner frame T2 and the outer frame T3; the light unit 12 is embedded in the arc connection framework T3, the light unit 12 is connected the framework T3 laminating setting with the arc, first inner frame T1 and second inner frame T2 respectively with the inner sheath 11 laminating setting that corresponds, the cabling band 6 sets up the outside at outer frame T3 around the package. The filling layer is simple in structure, the filling structure T of the hollow structure formed by the first inner framework T1, the second inner framework T2 and the outer framework T3 has the advantages of light weight and material saving on the basis of ensuring the stable filling effect, and the supporting framework T4 arranged between the inner framework and the outer framework T3 is used for ensuring the supporting strength.
In this embodiment, the supporting frame T4 is disposed diagonally. The supporting frame T4 is obliquely arranged, so that the filling structure T can provide more firm and stable supporting strength.
In this embodiment, the metallic shielding layer 8 is a copper wire 801 wound around the outside of the insulating shielding layer 5.
In this particular embodiment, the copper wire 801 is wrapped around its exterior with a copper tape 802. The metal shielding layer 8 formed by matching the copper wire 801 and the copper strip 802 has more excellent shielding performance.
Example two: the utility model provides a submarine cable for deep water, including the cable core, the outside cladding of cable core is provided with oversheath 1, the cable core includes an at least insulation core, insulation core includes conductor 2, conductor 2 includes inner conductor layer 201 and outer conductor layer 202 that sets gradually from inside to outside, inner conductor layer 201 is the carbon fiber stick, outer conductor layer 202 is the copper conductor, the copper conductor cladding sets up the outside at the carbon fiber stick, the outside cladding of conductor 2 has set gradually conductor shielding layer 3, insulating layer 4 and insulation shielding layer 5, the outside of oversheath 1 cladding setting is in insulation shielding layer 5's outside.
In this embodiment, the insulated wire core is a single wire, a first semi-conductive waterproof layer 7 is arranged between the copper conductor and the conductor shielding layer 3, the first semi-conductive waterproof layer 7 is coated and arranged outside the copper conductor, and the conductor shielding layer 3 is coated and arranged outside the first semi-conductive waterproof layer 7; the metal shielding layer 8 is arranged on the outer portion of the insulation shielding layer 5 in a wrapping mode, the second semi-conductive waterproof layer 9 is arranged on the outer portion of the metal shielding layer 8 in a wrapping mode, and the cabling wrapping belt 6 is arranged on the outer portion of the second semi-conductive waterproof layer 9 in a wrapping mode. Through the first semi-conductive water-resistant layer 7 and the second semi-conductive water-resistant layer 9, on the premise that the whole weight is not increased, the cable core has good waterproof and water-resistant performances.
In this embodiment, the metallic shielding layer 8 is a copper wire 801 wound around the outside of the insulating shielding layer 5.
In this particular embodiment, the copper wire 801 is wrapped around its exterior with a copper tape 802. The metal shielding layer 8 formed by matching the copper wire 801 and the copper strip 802 has more excellent shielding performance.
Claims (10)
1. The utility model provides a submarine cable for deep water, includes the cable core, the outside cladding of cable core be provided with the oversheath, its characterized in that the cable core include an at least insulation core, insulation core include the conductor, the conductor include inner conductor layer and the outer conductor layer that sets gradually from inside to outside, inner conductor layer be the carbon fiber stick, the outer conductor layer be the copper conductor, the copper conductor cladding set up carbon fiber stick's outside, the outside cladding of conductor set gradually conductor shielding layer, insulating layer and insulation shielding layer, the oversheath cladding set up insulation shielding layer's outside.
2. The submarine cable according to claim 1, wherein the number of the insulated wire cores is three, the three insulated wire cores are twisted to form the cable core, a cabling tape is wrapped outside the cable core, and the outer sheath is wrapped outside the cabling tape.
3. The submarine cable according to claim 2, wherein a first semi-conductive and water-resistant layer is disposed between said copper conductor and said shielding layer, said first semi-conductive and water-resistant layer being coated on the outside of said copper conductor, and said shielding layer being coated on the outside of said first semi-conductive and water-resistant layer; the insulation shielding layer is coated with a metal shielding layer, and the metal shielding layer is coated with a second semi-conductive waterproof layer.
4. The submarine cable according to claim 3, wherein the second semi-conductive water-blocking layer is wrapped with an aluminum-plastic composite tape around the outer surface of the second semi-conductive water-blocking layer, so that the insulated wire core is in a full-circle structure, and the outer surface of the aluminum-plastic composite tape is wrapped with an inner sheath.
5. The submarine cable according to claim 4, wherein a filler layer is filled during stranding of the cable cores, the cable cores are made to be in a full-circle structure by the filler layer and are coated with the cabling tape to form the cable, and the filler layer is internally provided with optical units.
6. The submarine cable according to claim 5, wherein said filling layer is formed by three filling structures having the same structure, the filling structure comprises a first inner framework, a second inner framework and an outer framework, the inner diameters of the first inner framework and the second inner framework are matched with the outer diameter of the inner sheath, the outer diameter of the outer framework is matched with the inner diameter of the outer sheath, the inner end of the first inner framework is connected with the inner end of the second inner framework through an inwards concave arc-shaped connecting framework, the inner diameter of the arc-shaped connecting framework is matched with the outer diameter of the light unit, the outer ends of the first inner framework and the second inner framework are respectively connected with the two ends of the outer framework, a plurality of supporting frameworks are arranged between the first inner framework and the outer framework and between the second inner framework and the outer framework; the optical unit inlay establish the arc connect the skeleton in, the optical unit with the arc connect the skeleton laminating setting, first inner frame with the second inner frame respectively with correspond the inner sheath laminating setting, the cabling band around the package set up the outer skeleton outside.
7. The submarine cable according to claim 6, wherein said supporting framework is disposed diagonally.
8. The submarine cable according to claim 2, wherein the insulated wire core is a single wire, a first semi-conductive and water-resistant layer is disposed between the copper conductor and the conductor shielding layer, the first semi-conductive and water-resistant layer is wrapped around the copper conductor, and the conductor shielding layer is wrapped around the first semi-conductive and water-resistant layer; the cable-forming belt is wound outside the second semi-conductive waterproof layer.
9. The submarine cable according to claim 3 or 8, wherein the metallic shield is a copper wire wound around the outside of the insulating shield.
10. The submarine cable according to claim 9, wherein the copper wires are wrapped with copper tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477864.6U CN213815585U (en) | 2020-10-30 | 2020-10-30 | Submarine cable for deep water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022477864.6U CN213815585U (en) | 2020-10-30 | 2020-10-30 | Submarine cable for deep water |
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| Publication Number | Publication Date |
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| CN213815585U true CN213815585U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022477864.6U Active CN213815585U (en) | 2020-10-30 | 2020-10-30 | Submarine cable for deep water |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496411A (en) * | 2021-12-20 | 2022-05-13 | 中天科技海缆股份有限公司 | Submarine cable, submarine cable assembly, submarine cable cabling device and molding method |
| CN115714040A (en) * | 2022-11-25 | 2023-02-24 | 江苏亨通高压海缆有限公司 | Torsion-resistant submarine cable |
-
2020
- 2020-10-30 CN CN202022477864.6U patent/CN213815585U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496411A (en) * | 2021-12-20 | 2022-05-13 | 中天科技海缆股份有限公司 | Submarine cable, submarine cable assembly, submarine cable cabling device and molding method |
| CN115714040A (en) * | 2022-11-25 | 2023-02-24 | 江苏亨通高压海缆有限公司 | Torsion-resistant submarine cable |
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