CN203423006U - +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable - Google Patents
+/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable Download PDFInfo
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- CN203423006U CN203423006U CN201320507320.7U CN201320507320U CN203423006U CN 203423006 U CN203423006 U CN 203423006U CN 201320507320 U CN201320507320 U CN 201320507320U CN 203423006 U CN203423006 U CN 203423006U
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- cable
- submarine cable
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Abstract
The utility model discloses a +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable. The +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable comprises a water resisting conductor, a conductor shielding layer, an insulating layer, an insulation shielding layer, a semi-conductive water resisting belt, an alloy lead sleeve, a PE protective jacket, an inner lining layer, an armoring layer and an outer coating layer which are sequentially arranged from inside to outside, wherein the water resisting conductor is arranged at the center of the cable, and the outer coating layer is arranged at the outermost layer of the cable; the submarine cable further comprises a photoelectric composite layer; and the photoelectric composite layer is arranged between the semi-conductive water resisting belt and the alloy lead sheath. With the +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable adopted, long-distance and large-capacity power and communication signal transmission can be realized, and damage risk of the cable can be decreased.
Description
Technical field
The utility model relates to a kind of submarine cable, specifically refers to that a kind of ± 160kV flexible transmission is used up to reply by cable to close direct current submarine cable.
Background technology
At present, ac cable is widely used in land cable and extra large cable, but the following problem of ac cable ubiquity: and during transmission of electricity, line loss is large; When transmission capacity is larger, diameter and the weight of ac cable are large, cost is high; Ac cable, owing to being subject to the restriction of transmission range, cannot be realized remote large capacity transmission; The required construction investment of ac cable is higher.
Direct current transportation has that transmission power is high, line loss is little, regulates electric current and changes that power direction of transfer is convenient, investment cost is few, can reduce the advantages such as short circuit current, corona radio interference between backbone and electrical network is little than ac transmission.
Seabed transferring electric power and signal of communication are generally by different cables, to complete respectively, for the sea electric power cable of transferring electric power with for the submarine fiber cable of transmit communications signals, independently be laid in respectively seabed, and cable and optical cable all need to possess water-impervious, water pressure resistance, tension, the performance such as anticorrosion, anti-wear, to reach the requirement of using and laying in seabed.Therefore, though existing submarine cable and submarine fiber cable have solved the problem of electric power and signal of communication transmission, but manufacturing expense and the expense of laying are separately also very high.
Application number is that 2013100427356 Chinese patent application discloses a kind of ± 320kV flexible transmission direct current submarine cable, comprise the water-blocking conductor, conductor shield, insulating barrier, the insulation screen that set gradually from inside to outside, insulation screen is surrounded with semiconductive waterstop, alloy plumbous cover, PE sheath, inner covering, armour outward and drapes over one's shoulders layer outward, between inner covering and armour, be provided with the composite filled layer of photoelectricity, the composite filled layer of photoelectricity comprises at least one optical cable and Duo Gen PE gasket for packing, and the both sides of optical cable are respectively arranged with armouring wire.The composite filled layer of photoelectricity of this submarine cable is arranged between inner covering and armour; when extra large cable is subject to outside destroy, the armour of extra large cable stands in the breach, and the composite filled layer of photoelectricity of directly being protected by it can be damaged immediately; optical cable is also very easily impaired, and then has affected the transmission of communication.
Utility model content
The purpose of this utility model is to provide, and a kind of ± 160kV flexible transmission uses up to reply by cable closes direct current submarine cable, and this submarine cable can be realized remote large volume transport electric power and signal of communication, and reduces the damage risk of optical cable.
This purpose of the present utility model realizes by the following technical solutions: a kind of ± 160kV flexible transmission is used up to reply by cable and closed direct current submarine cable, comprise the water-blocking conductor setting gradually from inside to outside, conductor shield, insulating barrier, insulation screen, semiconductive waterstop, the plumbous cover of alloy, PE sheath, inner covering, armour and serving, wherein, water-blocking conductor is positioned at the center of submarine cable, serving is positioned at the outermost layer of submarine cable, it is characterized in that: described submarine cable also comprises photoelectricity composite bed, photoelectricity composite bed is between described semiconductive waterstop and the plumbous cover of alloy.
Submarine cable of the present utility model, photoelectricity composite bed is arranged between the plumbous cover of semiconductive waterstop and alloy, so photoelectricity composite bed is subject to the duplicate protection of armour and the plumbous cover of alloy, can significantly reduce the risk that prior art is easily damaged optical cable.Insulation screen described in described semi-conducting water-resistant tape, the wrapped described semiconductive waterstop of described photoelectricity composite bed, the plumbous cover of described alloy extrudes described photoelectricity composite bed, and described PE sheath extrudes the plumbous cover of described alloy.
Described photoelectricity composite bed is the compound rectangular wire that optical cable and wire extrude formation, and described optical cable is at least one, and many optical cables form a line side by side, and optical cable is positioned at centre position, and wire is positioned at the both sides of optical cable, and optical cable is shielded.
Described wire is copper wire or steel wire.
The material of described insulating barrier is direct current crosslinked polyethylene.
The thickness of described insulating barrier is within the scope of 10～20mm.
Described armour is high-strength anti-corrosion steel wire.
Described serving is netted wrapped.
Compared with prior art, submarine cable of the present utility model can be realized high voltage, remote large capacity transmission; With with prismatic submarine cable that exchanges, compare, its transmission capacity reaches it more than twice; In transmission of electricity process, its line loss is little, and transmission cable signal simultaneously, has greatly saved cable and construction cost; Optical cable is positioned between semiconductive waterstop and the plumbous cover of alloy, can significantly reduce the risk that prior art is easily damaged optical 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 overall structure figure of the utility model submarine cable embodiment mono-;
Fig. 2 is the cross sectional representation of the utility model submarine cable embodiment mono-;
Fig. 3 is the cross sectional representation of the utility model submarine cable embodiment bis-.
Description of reference numerals
1, water-blocking conductor; 2, conductor shield; 3, insulating barrier; 4, insulation screen;
5, semiconductive waterstop; 6, photoelectricity composite bed; 61, optical cable; 62, wire;
7, the plumbous cover of alloy; 8, PE sheath; 9, inner covering; 10, armour; 11, serving;
Embodiment
Embodiment mono-
The utility model is a kind of ± 160kV flexible transmission use up reply by cable close direct current submarine cable embodiment mono-as shown in Figure 1 to Figure 2, comprise and setting gradually from inside to outside and coated water-blocking conductor 1, conductor shield 2, insulating barrier 3, insulation screen 4, semiconductive waterstop 5, photoelectricity composite bed 6, the plumbous cover 7 of alloy, PE sheath 8, inner covering 9, armour 10 and serving 11 layer by layer, wherein, water-blocking conductor 1 is positioned at the center of submarine cable, serving 11 is positioned at the outermost layer of submarine cable, and photoelectricity composite bed 6 is between semiconductive waterstop 5 and the plumbous cover 7 of alloy.The material of conductor shield 2 and insulation screen 4 is direct current shielding material, and the material of insulating barrier 3 is direct current crosslinked polyethylene, and the thickness of insulating barrier 3 is 15mm, and armour 10 is high-strength anti-corrosion steel wire, and serving 11 is netted wrapped.
In the present embodiment, the concrete set-up mode of insulation screen 4, semiconductive waterstop 5, photoelectricity composite bed 6, the plumbous cover 7 of alloy is: semiconductive waterstop 5 lapped insulation screens 4, the wrapped semiconductive waterstop 5 of photoelectricity composite bed 6, the plumbous cover 7 of alloy extrudes photoelectricity composite bed 6, and PE sheath 8 extrudes the plumbous cover 7 of alloy.
Photoelectricity composite bed 6 in the present embodiment is the compound rectangular wire that optical cable 61 and wire 62 extrude formation, and photoelectricity composite bed 6 comprises an optical cable 61, and the both sides of optical cable 61 are provided with an one metal wire 62, and optical cable 61 is shielded, and this wire 62 is copper wire.
As the conversion of the present embodiment, the thickness of insulating barrier 3 can be selected according to the requirement of the external diameter of submarine cable and transmission capacity within the scope of 10-20mm.
Conversion as the present embodiment; photoelectricity composite bed 6 is the compound rectangular wire that optical cable 61 and wire 62 extrude formation; optical cable 61 is at least one; many optical cables 61 form a line side by side; optical cable 61 is positioned at centre position; wire 62 is positioned at the both sides of optical cable 61, and optical cable 61 is shielded, and wire 62 can be selected copper wire or steel wire.
Embodiment bis-
The utility model is a kind of ± 160kV flexible transmission use up reply by cable close direct current submarine cable embodiment bis-as shown in Figure 3, different with embodiment mono-is, photoelectricity composite bed 6 comprises three optical cables 61, three optical cables 61 form a line side by side, three optical cables 61 are positioned at centre position, wire 62 is positioned at the both sides of three optical cables 61, and this wire 62 is steel wire.
Above-described embodiment of the present utility model is not the restriction to the utility model protection range; execution mode of the present utility model is not limited to this; all this kind is according to foregoing of the present utility model; according to ordinary skill knowledge and the customary means of this area; do not departing under the above-mentioned basic fundamental thought of the utility model prerequisite; the modification of other various ways that the utility model said structure is made, replacement or change, within all should dropping on protection range of the present utility model.
Claims (8)
1. one kind ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable, comprise the water-blocking conductor (1) setting gradually from inside to outside, conductor shield (2), insulating barrier (3), insulation screen (4), semiconductive waterstop (5), the plumbous cover of alloy (7), PE sheath (8), inner covering (9), armour (10) and serving (11), wherein, water-blocking conductor (1) is positioned at the center of submarine cable, serving (11) is positioned at the outermost layer of submarine cable, it is characterized in that: described submarine cable also comprises photoelectricity composite bed (6), photoelectricity composite bed (6) is positioned between described semiconductive waterstop (5) and the plumbous cover of alloy (7).
2. according to claim 1 ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable, it is characterized in that: the wrapped described insulation screen of described semiconductive waterstop (5) (4), the wrapped described semiconductive waterstop of described photoelectricity composite bed (6) (5), the plumbous cover of described alloy (7) extrudes described photoelectricity composite bed (6), and described PE sheath (8) extrudes the plumbous cover of described alloy (7).
3. according to claim 2 ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable; it is characterized in that: described photoelectricity composite bed (6) is the compound rectangular wire that optical cable (61) and wire (62) extrude formation; described optical cable (61) is at least one; many optical cables (61) form a line side by side; optical cable (61) is positioned at centre position; wire (62) is positioned at the both sides of optical cable (61), and optical cable (61) is shielded.
4. according to claim 3 ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable, it is characterized in that: described wire (62) is copper wire or steel wire.
According to described in claim 1 to 4 any one ± 160kV flexible transmission uses up to reply by cable and closes direct current submarine cable, it is characterized in that: the material of described insulating barrier (3) is direct current crosslinked polyethylene.
6. according to claim 5 ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable, it is characterized in that: the thickness of described insulating barrier (3) is within the scope of 10～20mm.
According to described in claim 1 to 4 any one ± 160kV flexible transmission uses up to reply by cable and closes direct current submarine cable, it is characterized in that: described armour (10) is high-strength anti-corrosion steel wire.
8. according to claim 1 ± 160kV flexible transmission is used up to reply by cable and is closed direct current submarine cable, it is characterized in that: described serving (11) is for netted wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320507320.7U CN203423006U (en) | 2013-08-19 | 2013-08-19 | +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320507320.7U CN203423006U (en) | 2013-08-19 | 2013-08-19 | +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423006U true CN203423006U (en) | 2014-02-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320507320.7U Expired - Lifetime CN203423006U (en) | 2013-08-19 | 2013-08-19 | +/-160kV flexible power transmission-used photoelectric composite direct-current submarine cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489523A (en) * | 2013-08-19 | 2014-01-01 | 广东电网公司电力科学研究院 | Photoelectric composite direct current submarine cable for +/- 160kV flexible power transmission |
-
2013
- 2013-08-19 CN CN201320507320.7U patent/CN203423006U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489523A (en) * | 2013-08-19 | 2014-01-01 | 广东电网公司电力科学研究院 | Photoelectric composite direct current submarine cable for +/- 160kV flexible power transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |
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| CX01 | Expiry of patent term |