CN204496951U - The non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable - Google Patents
The non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable Download PDFInfo
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- CN204496951U CN204496951U CN201520184684.5U CN201520184684U CN204496951U CN 204496951 U CN204496951 U CN 204496951U CN 201520184684 U CN201520184684 U CN 201520184684U CN 204496951 U CN204496951 U CN 204496951U
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Abstract
The utility model discloses the non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable, comprise cable conductor and serving, inner covering is surrounded by outside cable conductor, the high-strength aluminum alloy silk extruding plastic layer is provided with in the middle of inner covering and serving, gap-fill between the high-strength aluminum alloy silk extruding plastic layer has anti-corrosion asphalt, the high-strength aluminum alloy silk extruding plastic layer comprises high-strength aluminum alloy silk and the plastic layer being wrapped in its surface, the utility model is lightweight, non magnetic, cable not easily produces eddy current loss when running, improve the ampacity of cable, monofilament extrudes plastic layer, technique easily realizes, and seawater can be cut off, corrosion-resistant, the intensity of aluminum-alloy wire is high, the diameter of adjustable aluminum-alloy wire, what make the stretching resistance of aluminum-alloy wire reach with armouring wire is the same, the plastic layer extruded is insulator, the damages such as the electrochemical corrosion caused due to ocean electric current and ground magnetic action can not be subject to, extend the useful life of cable.
Description
Technical field
The utility model relates to the non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable.
Background technology
The exigent reliability of submarine cable, because they are once after laying, keeps in repair very difficult.For preventing the mechanical damage of submarine cable, usual submarine cable is formed by inner covering, thicker wire armouring, serving.Although armouring thicker wire is wrapped on cable, there is stretching resistance effect, outside mechanical damage can be prevented again, but these steel wire majorities are magnetic materials, when cable runs, induced current can be produced, cause extra supplementary load loss at armour, reduce the ampacity of cable, further, in long-term operation, armouring wire is usually subject to the damages such as the electrochemical corrosion caused due to ocean electric current and ground magnetic action, thus shortens the useful life of submarine cable, if armouring wire directly uses the aluminium alloy wire (being usually made up of aldray) of high strength instead, although be nonmagnetic substance, the problem of magnetic hysteresis and eddy current loss can be solved, but because aluminium alloy is active metal, the oxide layer on its surface, the further oxidation of aluminium alloy can be stoped in atmosphere, but be subject to electrolytical effect in the seawater, surface oxide layer can be corroded very soon, aluminum-alloy wire can be subject to further corrosion, serving can not cut off again the effect of seawater to aluminum-alloy wire armouring, although, a plastic layer is extruded outside whole aluminium alloy armored, the effect cutting off seawater can be played in theory, but because the general external diameter of submarine cable is larger, length is long, Heavy Weight, this scheme is difficult to realize in most of submarine cable.
Utility model content
Extra supplementary load loss can be produced in order to overcome prior art and the deficiency because ocean electric current and ground magnetic action and the electrochemical corrosion that causes etc. damage can be subject to, the utility model provides a kind of submarine cable non magnetic anti-corrosion and high strength aluminum-alloy wire armouring, reduce the electric energy excess loss of armour, improve the ampacity of cable; The corrosion resistance of armour is strengthened, thus extends the useful life of cable, improve the security reliability of electrical network.
The technical solution adopted in the utility model is:
The non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable, described high-strength aluminum alloy silk armouring comprises cable conductor and serving, inner covering is surrounded by outside described cable conductor, be provided with the high-strength aluminum alloy silk extruding plastic layer in the middle of described inner covering and serving, described in extrude plastic layer high-strength aluminum alloy silk between gap-fill have anti-corrosion asphalt.
The described high-strength aluminum alloy silk extruding plastic layer comprises high-strength aluminum alloy silk and the plastic layer being wrapped in its surface.
Advantage of the present utility model: there is certain mechanical strength owing to have employed, the aluminum-alloy wire extruding plastic layer of corrosion, with the thicker wire sheathed structure ratio of routine, it has lightweight, non magnetic, cable not easily produces eddy current loss when running, thus reduce the electric energy excess loss of armour, improve the ampacity of cable, due to monofilament extruding plastic layer, technique easily realizes, after extruding plastic layer, aluminum-alloy wire and seawater are cut off, seawater can not to aluminum-alloy wire effect, thus it is completely corrosion-resistant, because the intensity of aluminum-alloy wire is high, the diameter of suitable adjustment aluminum-alloy wire, what the stretching resistance of aluminum-alloy wire can be made to reach with armouring wire is the same, the plastic layer extruded is insulator, the damages such as the electrochemical corrosion caused due to ocean electric current and ground magnetic action can not be subject to, thus, extend the useful life of cable.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the transversal structural map of the utility model;
Fig. 2 is the high-strength aluminum alloy silk extruding plastic layer.
Wherein: 1, cable conductor; 2, inner covering; 3, the high-strength aluminum alloy silk of plastic layer is extruded; 4, anti-corrosion asphalt; 5, serving; 6, plastic layer; 7, high-strength aluminum alloy silk.
Embodiment
As shown in Figure 1, 2, the non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable, described high-strength aluminum alloy silk armouring comprises cable conductor 1 and serving 5, inner covering 2 is surrounded by outside described cable conductor, the high-strength aluminum alloy silk 3 extruding plastic layer is provided with in the middle of described inner covering and serving, gap-fill between the described high-strength aluminum alloy silk extruding plastic layer has anti-corrosion asphalt 4, described in extrude plastic layer high-strength aluminum alloy silk comprise high-strength aluminum alloy silk 7 and the plastic layer 6 being wrapped in its surface.
The utility model has certain mechanical strength owing to have employed, the aluminum-alloy wire extruding plastic layer of corrosion, with the thicker wire sheathed structure ratio of routine, it has lightweight, non magnetic, cable not easily produces eddy current loss when running, thus reduce the electric energy excess loss of armour, improve the ampacity of cable, due to monofilament extruding plastic layer, technique easily realizes, after extruding plastic layer, aluminum-alloy wire and seawater are cut off, seawater can not to aluminum-alloy wire effect, thus it is completely corrosion-resistant, because the intensity of aluminum-alloy wire is high, the diameter of suitable adjustment aluminum-alloy wire, what the stretching resistance of aluminum-alloy wire can be made to reach with armouring wire is the same, the plastic layer extruded is insulator, the damages such as the electrochemical corrosion caused due to ocean electric current and ground magnetic action can not be subject to, thus, extend the useful life of cable.
Claims (2)
1. the non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of submarine cable, it is characterized in that: described high-strength aluminum alloy silk armouring comprises cable conductor and serving, inner covering is surrounded by outside described cable conductor, be provided with the high-strength aluminum alloy silk extruding plastic layer in the middle of described inner covering and serving, described in extrude plastic layer high-strength aluminum alloy silk between gap-fill have anti-corrosion asphalt.
2. the non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable according to claim 1, is characterized in that: described in extrude plastic layer high-strength aluminum alloy silk comprise high-strength aluminum alloy silk and the plastic layer being wrapped in its surface.
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CN201520184684.5U CN204496951U (en) | 2015-03-31 | 2015-03-31 | The non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable |
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CN201520184684.5U CN204496951U (en) | 2015-03-31 | 2015-03-31 | The non magnetic anti-corrosion and high strength aluminum-alloy wire sheathed structure of a kind of submarine cable |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104766652A (en) * | 2015-03-31 | 2015-07-08 | 江苏通光强能输电线科技有限公司 | Non-magnetic corrosion-resistant high-strength aluminum alloy wire armor structure of submarine cable |
CN105679429A (en) * | 2016-04-07 | 2016-06-15 | 江苏通光强能输电线科技有限公司 | Zinc-wire-filled corrosion-resisting armour structure for submarine cable |
-
2015
- 2015-03-31 CN CN201520184684.5U patent/CN204496951U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104766652A (en) * | 2015-03-31 | 2015-07-08 | 江苏通光强能输电线科技有限公司 | Non-magnetic corrosion-resistant high-strength aluminum alloy wire armor structure of submarine cable |
CN105679429A (en) * | 2016-04-07 | 2016-06-15 | 江苏通光强能输电线科技有限公司 | Zinc-wire-filled corrosion-resisting armour structure for submarine cable |
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