CN203085283U - Shallow seabed-used coaxial cable with composite inner conductor - Google Patents
Shallow seabed-used coaxial cable with composite inner conductor Download PDFInfo
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- CN203085283U CN203085283U CN 201220686786 CN201220686786U CN203085283U CN 203085283 U CN203085283 U CN 203085283U CN 201220686786 CN201220686786 CN 201220686786 CN 201220686786 U CN201220686786 U CN 201220686786U CN 203085283 U CN203085283 U CN 203085283U
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- periphery
- coated layer
- layer
- dipping
- bitumen coated
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Abstract
The utility model relates to a shallow seabed-used coaxial cable with a composite inner conductor; the composite inner conductor is formed by winding a plurality of flexible round copper wires outside a central conductor; a high pressure polyethylene insulation layer is extruded outside the composite inner conductor; an outer conductor is uniformly braided outside the high pressure polyethylene insulation layer; two polyester film tapes are wrapped in opposite directions outside the outer conductor; and the polyester film tape is wrapped from from inside to outside by a first asphalt coating, a first dipping hemp rope lining, a second asphalt coating, a copper alloy wire armoring layer, a third asphalt coating, a second dipping hemp rope lining, a fourth asphalt coating, an aluminized magnesium alloy steel wire armoring layer, a fifth asphalt coating, a first dipping gunnysack tape, a sixth asphalt coating, a second dipping gunnysack tape, a seventh asphalt coating and a plastic film anti-bonding layer. The cable is stable in structure, good in tension property, is water resistant, corrosion resistant, and is stable in signal transmission when impacted by water.
Description
Technical field
The utility model relates to a kind of telecommunication cable, and particularly a kind of have seabed, a compound conductor shallow sea coaxial cable.
Background technology
Development and use along with marine energy, submarine cable as seabed signal transmission current-carrying equipment uses more and more, specification requirement is also more and more higher, especially require cable machinery physical property and electric property excellence, have and guarantee that under sea water immersion impacts excellent signal transmission performance, water-impervious, seawater corrosion resistance, tension drag mechanical performance, long service life, the reliability height.Common telecommunication cable is used for the seabed or because of own wt gentlier can cause cable bad, signal attenuation serious because of seawater impacts, or causes the cable tension to drag stressed damage easily too greatly because of own wt is heavier; The general selection of prior art is arranged together the compound cable of formation to telecommunication cable with power cable, though this kind structure has been guaranteed the structural safety of telecommunication cable, but the highfield that causes power cable easily impacts the signal transmission of telecommunication cable, and do not need occasion that power cable only needs telecommunication cable as adopting then serious waste of resources of composite cable for some, do not adopt composite cable to cause the bad adaptability of telecommunication cable again easily environment.
The utility model content
The purpose of this utility model is; overcome problems of the prior art; a kind of seabed, compound conductor shallow sea coaxial cable that has is provided; Stability Analysis of Structures, weight are suitable, water-impervious, seawater corrosion resistance, tension are dragged good mechanical property, it is good to meet the water slug stable signal transmission, can be used between continent and the offshore island seabed, shallow sea the situation comparatively section of the special mechanical protection of complicated needs or the liaison at seabeach.
For realizing above purpose, a kind of seabed, compound conductor shallow sea coaxial cable that has provided by the utility model, the outer strand of center conductor constitutes compound conductor around many soft circular copper wires, described compound conductor is extruded with high pressure polyethylene insulated layer outward, the periphery of described high pressure polyethylene insulated layer evenly is woven with outer conductor, the periphery of described outer conductor is surrounded with two layers polyester film band with opposite direction, the periphery of described mylar tape is coated with the first bitumen coated layer, the periphery of the described first bitumen coated layer evenly is woven with the first dipping rope made of hemp lining, the periphery of the described first dipping rope made of hemp lining is coated with the second bitumen coated layer, the periphery of the described second bitumen coated layer closely is enclosed with the copper alloy wire armour with concentric strand around mode, the periphery of described copper alloy wire armour is coated with the 3rd bitumen coated layer, the periphery of described the 3rd bitumen coated layer evenly is woven with the second dipping rope made of hemp lining, the periphery of the described second dipping rope made of hemp lining is coated with the 4th bitumen coated layer, the periphery of described the 4th bitumen coated layer closely is enclosed with the magnesium alloy steel wire armour layer of aluminizing with concentric strand around mode, described periphery of aluminizing magnesium alloy steel wire armour layer is coated with the 5th bitumen coated layer, the periphery of described the 5th bitumen coated layer evenly is surrounded with the first dipping sack belt, the periphery of the described first dipping sack belt is coated with the 6th bitumen coated layer, the periphery of described the 6th bitumen coated layer evenly is surrounded with the second dipping sack belt, the periphery of the described second dipping sack belt is coated with the 7th bitumen coated layer, and the periphery of described the 7th bitumen coated layer is surrounded with the anti-adhesive linkage of plastic film.
With respect to prior art, the utility model has been obtained following beneficial effect: (1) compound conductor is soft, is easy to bending, and is disconnected in being not easy to take place.(2) high pressure polyethylene insulated layer structure is closely knit, density is little, mechanical strength is high, electrical insulation properties is good.(3) outer conductor evenly is woven in the periphery of high pressure polyethylene insulated layer, and its smooth outer surface, smooth helps stable signal transmission.(4) mylar tape is overlapping wrappedly can wrap cable core, and it is loose to have avoided the stranding cable core to take place on the one hand, and polyester film has the moistureproof impregnability of excellent water resistance simultaneously, and can favourable protection insulation making moist insulation reduces.(5) dipping rope made of hemp lining is well isolated metal armouring layer and restrictive coating or bitumen coated layer, weakens the defectives such as burr that may exist on internal compressing power of its outer layer metal armouring and the armouring silk damage is caused in inside; Rope made of hemp braiding has the slit, and each single rope made of hemp is independent of each other, and can reduce the stress in the cable bending, strengthens the toughness of cable; The mechanical strength height of the dipping rope made of hemp, pliability is good, and the deformation with excellence is restorative, can bear very big axial force, and vertical tension that can greatly strengthen cable is dragged performance.(6) pitch has good meltbility and processing performance, is convenient to evenly be coated in the cable core periphery, and especially the asphalt waterproofing excellent performance is corrosion-resistant, can prevent that outside seawater is penetrated into cable inside after experience is long-time, causes cable operation hidden danger.(7) the copper alloy wire armour both can be every magnetic, and the loss of avoiding the eddy current magnetic hysteresis to cause increases ampacity, mechanical strength is bigger than copper again, cost is then cheap than copper, and has excellent anti-seawater corrosion performance, benefits for the long-term security operation of cable.(8) the magnesium alloy steel wire armour layer of aluminizing can strengthen the mechanical tensile strength of cable well, and the protection cable is not mechanically damaged, and has excellent anti-seawater corrosion performance, provides mechanical protection to it in the cable time limit in useful life.(9) the mechanical strength height of dipping sack belt, pliability is good, and the deformation with excellence is restorative, and self has water resistance, twine the back denser, water-swellable can stop seawater further to enter, and can closely wrap up cable, can bear very big radial load, adopt the double-deck lateral stressed performance that can strengthen cable, make the cable resistant to salt water impact, dipping sack belt formed buffer strip when external force impacted to cable, weakened inner stressed.Bitumen coated layer generation fusion adhesion caused between the adjacent cable and bonds when (10) the anti-adhesive linkage of plastic film can prevent high temperature production or construction operation, influenced operation.
As preferred version of the present utility model, described center conductor is the solid soft copper conductor of 1.5mm diameter, described center conductor periphery with one heart strand is that the described soft copper round wire of 0.6mm constitutes described compound conductor around ten diameters, described soft copper circle cabling lay ratio is 18 ~ 25 times, and the nominal outside diameter of described compound conductor is 2.7mm; The nominal thickness of described high pressure polyethylene insulated layer be 3.5mm and minimum thickness be not less than nominal thickness 90%, maximum ga(u)ge is not more than 110% of nominal thickness, the diameter deviation that arbitrary vertical cross-section records is no more than 10%.Compound conductor is soft, is easy to bending, and is disconnected in being not easy to take place; High pressure polyethylene insulated layer structure is closely knit, density is little, mechanical strength is high, electrical insulation properties is good; 20 ℃ of compound conductor D.C. resistances of this coaxial cable are not more than 3.9 Ω/km, 20 ℃ of outer conductor D.C. resistances are not more than 1.25 Ω/km, insulation resistance is not less than 50000 M Ω km, mutual capacitance is not more than 0.10 μ F/km, 50Hz alternating voltage test wire between 5000V/5min do not puncture, natural attenuation (60kHz and 228kHz) is not more than 1.042dB/km, and characteristic impedance (60kHz and 228kHz) is 55 ± 5.5 Ω.
As preferred version of the present utility model, described outer conductor adopts nine soft flat type copper wires evenly to be woven in outside the compound conductor insulation, every described soft flat type copper wire wide * thick be 3.28mm * 0.5mm.This outer conductor smooth outer surface, smooth helps stable signal transmission.
As preferred version of the present utility model, the nominal thickness of described mylar tape is 0.04mm; The described first dipping rope made of hemp lining and the second dipping rope made of hemp lining are formed by the tight with one heart braiding of the impregnated cable rope made of hemp of 2.5mm respectively.
As preferred version of the present utility model, the described first bitumen coated layer, the second bitumen coated layer, the 3rd bitumen coated layer, the 4th bitumen coated layer, the 5th bitumen coated layer, the 6th bitumen coated layer and the 7th bitumen coated layer adopt low temperature-20 ℃ not chap respectively, and 90 ℃ of bitumen coated of not dripping of high temperature form.
As preferred version of the present utility model, the diameter of the copper alloy wire of described copper alloy wire armour is 4.0 ± 0.03 mm, and raw material components and weight content are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10; Described diameter of aluminizing magnesium alloy steel wire armour layer is 6.0 ± 0.03 mm; Described copper alloy wire armour and described direction of lay of aluminizing magnesium alloy steel wire armour layer are left-hand.This copper alloy wire armour both can be every magnetic, and the loss of avoiding the eddy current magnetic hysteresis to cause increases ampacity, and mechanical strength is bigger than copper again, and cost is then cheap than copper, and have excellent anti-seawater corrosion performance, benefits for the long-term security operation of cable; This magnesium alloy steel wire armour layer machinery tensile strength height of aluminizing can be protected cable not to be mechanically damaged, and have excellent anti-seawater corrosion performance.
As preferred version of the present utility model, the described first dipping sack belt and the second dipping sack belt are overlapping being entwined of impregnated cable sack band of 2.0mm by thickness respectively, and both winding directions are opposite.Two-layer reverse acting spiral twines and can guarantee the stable of structure, has comprehensive water resistance as the outer protection layer of cable.
As preferred version of the present utility model, the periphery of the anti-adhesive linkage of described plastic film is coated with the talc slurry layer.The talc slurry layer can reduce the frictional force between the cable appearance, prevents that cable outer layer is bonding mutually.
Description of drawings
Fig. 1 the utlity model has the structural representation of seabed, compound conductor shallow sea with coaxial cable.
Among the figure: 1. compound conductor; 2. high pressure polyethylene insulated layer; 3. outer conductor; 4. mylar tape; 5. the first bitumen coated layer; 6. first floods rope made of hemp lining; 7. the second bitumen coated layer; 8. copper alloy wire armour; 9. the 3rd bitumen coated layer; 10. second floods rope made of hemp lining; 11. the 4th bitumen coated layer; The magnesium alloy steel wire armour layer 12. aluminize; 13. the 5th bitumen coated layer; 14. the first dipping sack belt; 15. the 6th bitumen coated layer; 16. the second dipping sack belt; 17. the 7th bitumen coated layer; 18. plastic film is prevented adhesive linkage.
Embodiment
The utlity model has seabed, compound conductor shallow sea makes successively according to the following steps with coaxial cable: (1) is that the concentric strand of solid soft copper conductor periphery of 1.5mm is the soft copper round wire formation compound conductor 1 of 0.6mm around ten diameters at diameter, and described soft copper circle cabling lay ratio is 18 ~ 25 times; Extruding nominal thickness outside described compound conductor 1 is the high pressure polyethylene insulated layer 2 of 3.5mm, the minimum thickness of high pressure polyethylene insulated layer 2 is not less than 90% of nominal thickness, maximum ga(u)ge is not more than 110% of nominal thickness, and the diameter deviation that arbitrary vertical cross-section records is no more than 10%.(2) the periphery of described high pressure polyethylene insulated layer 2 adopt nine wide * thick be the even braided outer conductor 3 of soft flat type copper wire of 3.28mm * 0.5mm.(3) in the periphery of described outer conductor 3 with the wrapped two layers polyester film of opposite direction band 4, the nominal thickness of mylar tape 4 is 0.04mm, applies the first bitumen coated layer 5 in the periphery of described mylar tape 4.(4) periphery at the first bitumen coated layer 5 adopts the impregnated cable rope made of hemp of 2.5mm closely to weave the first dipping rope made of hemp lining 6 with one heart, periphery at the first dipping rope made of hemp lining 6 applies the second bitumen coated layer 7, periphery at the second bitumen coated layer 7 is closely wrapped up copper alloy wire armour 8 with concentric strand around mode, the diameter of the copper alloy wire of copper alloy wire armour 8 is 4.0 ± 0.03 mm, direction of lay is a left-hand, and raw material components and weight content are as follows, copper: iron: lead: zinc=(89.0 ~ 91.0): (0.01 ~ 0.05): (0.01 ~ 0.05): 10.(5) periphery at copper alloy wire armour 8 applies the 3rd bitumen coated layer 9, adopt the closely wrapped with one heart second dipping rope made of hemp lining 10 of the impregnated cable rope made of hemp of 2.5mm in the periphery of the 3rd bitumen coated layer 9, periphery at the second dipping rope made of hemp lining 10 applies the 4th bitumen coated layer 11, periphery at the 4th bitumen coated layer 11 is closely wrapped up the magnesium alloy steel wire armour layer 12 of aluminizing with concentric strand around mode, the diameter of magnesium alloy steel wire armour layer 12 of aluminizing is 6.0 ± 0.03 mm, and direction of lay is a left-hand.(6) periphery at the magnesium alloy steel wire armour layer 12 of aluminizing applies the 5th bitumen coated layer 13, periphery employing thickness at the 5th bitumen coated layer 13 is the overlapping first dipping sack belt 14 that is wound in of impregnated cable sack band of 2.0mm, periphery at the first dipping sack belt 14 applies the 6th bitumen coated layer 15, it is opposite to adopt thickness to be that the overlapping winding direction and first that is wound in the second dipping sack belt, 16, the second dipping sack belts 16 of impregnated cable sack band of 2.0mm floods sack belt 14 in the periphery of the 6th bitumen coated layer 15.(7) periphery at the second dipping sack belt 16 applies the 7th bitumen coated layer 17, and at the anti-adhesive linkage 18 of the wrapped plastic film of the periphery of the 7th bitumen coated layer 17, the periphery of the anti-adhesive linkage 18 of plastic film applies the talc slurry layer.
In the above step, the first bitumen coated layer 5, the second bitumen coated layer 7, the 3rd bitumen coated layer 9, the 4th bitumen coated layer 11, the 5th bitumen coated layer 13, the 6th bitumen coated layer 15 and the 7th bitumen coated layer 17 adopt low temperature-20 ℃ not chap respectively, and 90 ℃ of bitumen coated of not dripping of high temperature form.
The above finished cable of making is carried out electrical performance test, and the result is as follows:
| Pilot project | Technical indicator |
| 20 ℃ of compound conductor D.C. resistances | ≤3.9Ω/km |
| 20 ℃ of outer conductor D.C. resistances | ≤1.25Ω/km |
| Insulation resistance | ≥50000 MΩ·km |
| Mutual capacitance | ≤0.10μF/km |
| The test of 50Hz alternating voltage | 5000V/5min does not puncture |
| Natural attenuation (60kHz and 228kHz) | ≤1.042dB/km |
| Characteristic impedance (60kHz and 228kHz) | 55±5.5Ω |
The above only is the preferable possible embodiments of the utility model, and is non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection range of the utility model requirement.
Claims (7)
1. one kind has seabed, compound conductor shallow sea coaxial cable, it is characterized in that: the outer strand of center conductor constitutes compound conductor around many soft circular copper wires, described compound conductor is extruded with high pressure polyethylene insulated layer outward, the periphery of described high pressure polyethylene insulated layer evenly is woven with outer conductor, the periphery of described outer conductor is surrounded with two layers polyester film band with opposite direction, the periphery of described mylar tape is coated with the first bitumen coated layer, the periphery of the described first bitumen coated layer evenly is woven with the first dipping rope made of hemp lining, the periphery of the described first dipping rope made of hemp lining is coated with the second bitumen coated layer, the periphery of the described second bitumen coated layer closely is enclosed with the copper alloy wire armour with concentric strand around mode, the periphery of described copper alloy wire armour is coated with the 3rd bitumen coated layer, the periphery of described the 3rd bitumen coated layer evenly is woven with the second dipping rope made of hemp lining, the periphery of the described second dipping rope made of hemp lining is coated with the 4th bitumen coated layer, the periphery of described the 4th bitumen coated layer closely is enclosed with the magnesium alloy steel wire armour layer of aluminizing with concentric strand around mode, described periphery of aluminizing magnesium alloy steel wire armour layer is coated with the 5th bitumen coated layer, the periphery of described the 5th bitumen coated layer evenly is surrounded with the first dipping sack belt, the periphery of the described first dipping sack belt is coated with the 6th bitumen coated layer, the periphery of described the 6th bitumen coated layer evenly is surrounded with the second dipping sack belt, the periphery of the described second dipping sack belt is coated with the 7th bitumen coated layer, and the periphery of described the 7th bitumen coated layer is surrounded with the anti-adhesive linkage of plastic film.
2. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that, described center conductor is the solid soft copper conductor of 1.5mm diameter, described center conductor periphery with one heart strand is that the described soft copper round wire of 0.6mm constitutes described compound conductor around ten diameters, described soft copper circle cabling lay ratio is 18 ~ 25 times, and the nominal outside diameter of described compound conductor is 2.7mm; The nominal thickness of described high pressure polyethylene insulated layer be 3.5mm and minimum thickness be not less than nominal thickness 90%, maximum ga(u)ge is not more than 110% of nominal thickness, the diameter deviation that arbitrary vertical cross-section records is no more than 10%.
3. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that, described outer conductor adopts nine soft flat type copper wires evenly to be woven in outside the compound conductor insulation, every described soft flat type copper wire wide * thick be 3.28mm * 0.5mm.
4. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that the nominal thickness of described mylar tape is 0.04mm; The described first dipping rope made of hemp lining and the second dipping rope made of hemp lining are formed by the tight with one heart braiding of the impregnated cable rope made of hemp of 2.5mm respectively.
5. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that, the described first bitumen coated layer, the second bitumen coated layer, the 3rd bitumen coated layer, the 4th bitumen coated layer, the 5th bitumen coated layer, the 6th bitumen coated layer and the 7th bitumen coated layer adopt low temperature-20 ℃ not chap respectively, and 90 ℃ of bitumen coated of not dripping of high temperature form.
6. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that, the described first dipping sack belt and the second dipping sack belt are overlapping being entwined of impregnated cable sack band of 2.0mm by thickness respectively, and both winding directions are opposite.
7. according to claim 1 have seabed, a compound conductor shallow sea coaxial cable, it is characterized in that, the periphery of the anti-adhesive linkage of described plastic film is coated with the talc slurry layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686786 CN203085283U (en) | 2012-12-13 | 2012-12-13 | Shallow seabed-used coaxial cable with composite inner conductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220686786 CN203085283U (en) | 2012-12-13 | 2012-12-13 | Shallow seabed-used coaxial cable with composite inner conductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203085283U true CN203085283U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220686786 Withdrawn - After Issue CN203085283U (en) | 2012-12-13 | 2012-12-13 | Shallow seabed-used coaxial cable with composite inner conductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203085283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969073A (en) * | 2012-12-13 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Coaxial cable with compound inner conductor for use in shallow sea bed and manufacturing method thereof |
-
2012
- 2012-12-13 CN CN 201220686786 patent/CN203085283U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969073A (en) * | 2012-12-13 | 2013-03-13 | 江苏远洋东泽电缆股份有限公司 | Coaxial cable with compound inner conductor for use in shallow sea bed and manufacturing method thereof |
| CN102969073B (en) * | 2012-12-13 | 2015-04-29 | 江苏远洋东泽电缆股份有限公司 | Coaxial cable with compound inner conductor for use in shallow sea bed and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20150429 |