CN102222541A - Anti-corrosion submarine cable with low armoring loss for communication monitoring - Google Patents
Anti-corrosion submarine cable with low armoring loss for communication monitoring Download PDFInfo
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- CN102222541A CN102222541A CN 201110189800 CN201110189800A CN102222541A CN 102222541 A CN102222541 A CN 102222541A CN 201110189800 CN201110189800 CN 201110189800 CN 201110189800 A CN201110189800 A CN 201110189800A CN 102222541 A CN102222541 A CN 102222541A
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Abstract
The invention relates to an anti-corrosion submarine cable with low armoring loss for communication monitoring, comprising a wire core (1), a shielding layer (2), an insulating layer (3), an insulator shielding layer, an inner protective layer (4), an armoring inner bedding layer (5), an armoring layer (7) and an armoring outer protective layer (8) which are sequentially arranged from inside to outside, wherein the armoring layer (7) consists of a plurality of non magnetic anti-corrosion metal wires (71), and an optical cable layer (6) is arranged between the armoring layer (7) and the armoring inner bedding layer (5). The anti-corrosion submarine cable has the advantages that serious eddy and magnetic hysteresis loss caused by a zinc-coated wire armoring structure can be eliminated, the allowed carry current of the cable is higher than that of the zinc-coated wire armoring cable by nearly 30 percent, the tensile strength of a submarine crosslinking power cable is ensured, and the armoring layer is formed by the non magnetic anti-corrosion metal wires, thereby having good anti-corrosion effect; besides, as a polyethylene protective layer is not needed to be coated outside the non magnetic anti-corrosion metal wires, good heat radiating effect is achieved, thereby meeting the communication and monitoring demands of the anti-corrosion submarine cable with low armoring loss for communication monitoring, reducing the armoring loss, being beneficial to heat radiation and ensuring anti-corrosion performance of armoring.
Description
Technical field
But the present invention relates to a kind of anticorrosion extra large cable of low armouring loss of communication monitoring, but refer in particular to the anticorrosion extra large cable of the low armouring loss of a kind of communication monitoring that is compounded with optical cable.
Background technology
Existing a kind of patent No. discloses a kind of structure for the Chinese utility model patent that the CN200820034047.X name is called " seabed fiber compound power cable ", its structure comprises conductor, insulating barrier, water blocking layer, metal sheath layer, inner restrictive coating, inner cushion layer, external sheath layer, armour, serving, be outside equipped with insulating barrier at conductor, be outside equipped with water blocking layer at insulating barrier, be outside equipped with metal sheath layer at water blocking layer, be outside equipped with inner restrictive coating at metal sheath layer; The sea electric power cable most external is a serving, and armour is housed in the serving, and armour adopts steel wire, and inner cushion layer is housed in the armour; Device has the seabed fiber unit in the power cable core gap, seabed in inner cushion layer.It both can electric energy transmitting, can carry out digital communication again, by checkout equipment, and can also be to the temperature of cable, the stressed monitoring.But its shortcoming is armour not to be improved, and this armature of cable layer mostly adopts zinc-coated wire, strengthens the resistance to tension of extra large cable with this, and zinc-coated wire itself possesses anti-corrosion capability.Zinc-coated wire belongs to magnetic metal, and serious eddy current, the magnetic hysteresis loss of taking the zinc-coated wire sheathed structure to produce cause the decline of ampacity.
Existing a kind of patent No. is 200720108676.8 and is called that the Chinese utility model patent of " a kind of seabed cross-linked power cable " discloses a kind of structure, its structure comprises core, armouring inner covering, armour and the armouring outer jacket that is provided with from inside to outside, characteristics are that armour is made up of around the nonmagnetic metal silk of arranging many uniform ring, and the nonmagnetic metal silk is outside equipped with the plastics anticorrosive coat; Advantage is to substitute the zinc-coated wire sheathed structure with nonmagnetic metal silk sheathed structure both to have exempted serious eddy current, the magnetic hysteresis loss of taking the zinc-coated wire sheathed structure and producing, it is nearly 30% to make it allow ampacity to exceed than the permission ampacity of zinc-coated wire armoured cable, has guaranteed the tensile strength of seabed cross-linked power cable again; Be outside equipped with the plastics anticorrosive coat at the nonmagnetic metal silk, make nonmagnetic metal silk armoured cable place seawater for a long time and can not be corroded.But being the plastics anticorrosive coat, its shortcoming in a single day have the damage meeting sharply to corrode the nonmagnetic metal silk of the inside and the radiating effect that the existence of anticorrosive coat has influenced sea electric power cable, the secondth, can not carry out digital communication and real time on-line monitoring cable temperature and situation such as stressed.
Therefore develop a kind of communication and monitoring needs that can satisfy sea electric power cable, can reduce the armouring loss again, be beneficial to heat radiation and ensure that the sea electric power cable of the anticorrosion demand of armouring is ready-made to be a kind of development trend.
Summary of the invention
Technical problem to be solved by this invention is that a kind of communication that can satisfy sea electric power cable and monitoring needs are provided at above-mentioned prior art present situation, but can reduce the armouring loss again and be beneficial to heat radiation and have the anticorrosion extra large cable of low armouring loss of a kind of communication monitoring of good antiseptic effect.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: but the anticorrosion extra large cable of the low armouring loss of this communication monitoring; comprise and be disposed with core, screen, insulating barrier, insulator screen, sheath, armouring inner cushion layer, armour and armouring external protection from the inside to the outside; it is characterized in that: described armour is made up of many non magnetic non-corrosive metal (NCM) lines, is provided with the optical cable layer between described armour and armouring inner cushion layer.
As improvement; described optical cable layer is made up of the non-permeability alloys line of cable line, filling laying, protection optical cable; described cable line is positioned on the same periphery with the cross section of filling laying and non-permeability alloys line, and described non-permeability alloys line is positioned on the right and left of cable line.
Improve, the optical cable in the described optical cable layer is by one to four group again, and every group of optical cable is by a cable line and be positioned at each non-permeability alloys line of cable line the right and left and form.
Improving, be arranged on the same periphery of optical cable layer branches such as described every group of optical cable, can certainly be five equilibrium not, specifically can decide by design.
Improve, described insulator screen includes insulation screen, semiconductive water-blocking buffer layer, copper strips lapping layer, its arrangement position for being followed successively by insulation screen, semiconductive water-blocking buffer layer, copper strips lapping layer, semiconductive water-blocking buffer layer from the inside to the outside again.
Improve, described non magnetic non-corrosive metal (NCM) line can be preferably anticorrosion duralumin, hard alumin ium alloy silk or copper alloy silk again.
Improve, described armouring inner cushion layer may be selected to be the pe sheath layer again.
Improve, described armouring external protection is the pitch outer wrapping layer of polypropylene rope as inner reinforcement again.
Improve, described core can be preferably the conductor that copper conductor combines again.
Improve, described sheath may be selected to be the alloy lead layer again.
Compared with prior art, the invention has the advantages that armour adopts to form, between described armour and armouring inner cushion layer, be provided with the optical cable layer by many non magnetic non-corrosive metal (NCM) lines.Adopt this structure can eliminate the serious eddy current of taking the zinc-coated wire sheathed structure and producing, magnetic hysteresis loss, make it allow ampacity to exceed nearly 30% than the permission ampacity of zinc-coated wire armoured cable, guaranteed the tensile strength of seabed cross-linked power cable again, armour is made up of non magnetic anti-corrosion alloy silk, so have good anticorrosion ability, again owing to outside non magnetic anti-corrosion alloy silk, need not be enclosed with the pe sheath layer, so have great heat radiation effect, but can satisfy the communication and the monitoring needs of anticorrosion extra large cable of the low armouring loss of communication monitoring like this, can reduce the armouring loss again and be beneficial to heat radiation and ensure the anticorrosion of armouring.So be a kind of very practical product, be worthy of popularization.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is the structural representation of the another kind of embodiment of the present invention;
Fig. 3 is the structural representation of another embodiment of the present invention;
Fig. 4 is the structural representation of another embodiment of the present invention;
Fig. 5 is the enlarged drawing of I portion among Fig. 1.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
But, comprise being disposed with core 1, screen 2, insulating barrier 3, insulator screen, sheath 4, armouring inner cushion layer 5, armour 7 and armouring external protection 8 from the inside to the outside as the anticorrosion extra large cable of Fig. 1 to the low armouring loss of the communication monitoring of present embodiment shown in Figure 5.The conductor that core 1 combines for copper conductor.Armour 7 is made up of many non magnetic non-corrosive metal (NCM) lines 71, and the non magnetic non-corrosive metal (NCM) line 71 of present embodiment adopts the duralumin, hard alumin ium alloy silk, can certainly adopt copper alloy silk or other material, specifically can decide by design.Described many non magnetic non-corrosive metal (NCM) lines 71 can be 40～50, also can be more or less, specifically can decide by the size of cable, the non magnetic non-corrosive metal (NCM) line 71 of present embodiment is 42, and the cross section of these 42 non magnetic non-corrosive metal (NCM) lines 71 is positioned on the same periphery.Between described armour 7 and armouring inner cushion layer 5, be provided with optical cable layer 6; this optical cable layer 6 is made up of the non-permeability alloys line 61 of cable line 62, filling laying 60, protection optical cable; cable line 62 is positioned on the same periphery with the cross section of filling laying 60 and non-permeability alloys line 61, and described non-permeability alloys line 61 is positioned on the right and left of cable line 62.Optical cable in the described optical cable layer 6 is by one to four group, and every group of optical cable is by a cable line 62 and be positioned at each non-permeability alloys line 61 of one of cable line 62 the right and lefts and form.Be arranged at the same periphery of optical cable layer 6 every group of branch such as optical cable.Five equilibrium specifically can not decided by design.Above-mentioned insulator screen includes insulation screen 9, semiconductive water-blocking buffer layer 91, copper strips lapping layer 92, semiconductive water-blocking buffer layer 91, and its arrangement position is for being followed successively by insulation screen 9, semiconductive water-blocking buffer layer 91, copper strips lapping layer 92, semiconductive water-blocking buffer layer 91 from the inside to the outside.Above-mentioned armouring inner cushion layer 5 is the pe sheath layer, and above-mentioned armouring external protection 8 is the pitch outer wrapping layer of polypropylene rope as inner reinforcement.Above-mentioned sheath 4 is the alloy lead layer.
Claims (10)
1. but the anticorrosion extra large cable of the low armouring loss of communication monitoring; comprise and be disposed with core (1), screen (2), insulating barrier (3), insulator screen, sheath (4), armouring inner cushion layer (5), armour (7) and armouring external protection (8) from the inside to the outside; it is characterized in that: described armour (7) is made up of many non magnetic non-corrosive metal (NCM) lines (71), is provided with optical cable layer (6) between described armour (7) and armouring inner cushion layer (5).
2. anticorrosion extra large cable according to claim 1; it is characterized in that: described optical cable layer (6) is made up of the non-permeability alloys line (61) of cable line (62), filling laying (60), protection optical cable; described cable line (62) is positioned on the same periphery with the cross section of filling laying (60) and non-permeability alloys line (61), and described non-permeability alloys line (61) is positioned on the right and left of cable line (62).
3. anticorrosion extra large cable according to claim 2 is characterized in that: the optical cable in the described optical cable layer (6) is by one to four group, and every group of optical cable is by a cable line (62) and be positioned at each non-permeability alloys line (61) of cable line (62) the right and left and form.
4. anticorrosion extra large cable according to claim 3 is characterized in that: be arranged on the same periphery of optical cable layer (6) branches such as described every group of optical cable.
5. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: described insulator screen includes insulation screen (9), semiconductive water-blocking buffer layer (91), copper strips lapping layer (92), its arrangement position for being followed successively by insulation screen (9), semiconductive water-blocking buffer layer (91), copper strips lapping layer (92), semiconductive water-blocking buffer layer (91) from the inside to the outside.
6. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: described non magnetic non-corrosive metal (NCM) line (71) is anticorrosion duralumin, hard alumin ium alloy silk or copper alloy silk.
7. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: described armouring inner cushion layer (5) is the pe sheath layer.
8. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: described armouring external protection (8) is the pitch outer wrapping layer of polypropylene rope as inner reinforcement.
9. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: the conductor that described core (1) combines for copper conductor.
10. according to arbitrary described anticorrosion extra large cable in the claim 1 to 4, it is characterized in that: described sheath (4) is the alloy lead layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189800 CN102222541A (en) | 2011-07-05 | 2011-07-05 | Anti-corrosion submarine cable with low armoring loss for communication monitoring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110189800 CN102222541A (en) | 2011-07-05 | 2011-07-05 | Anti-corrosion submarine cable with low armoring loss for communication monitoring |
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| CN102222541A true CN102222541A (en) | 2011-10-19 |
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| CN 201110189800 Pending CN102222541A (en) | 2011-07-05 | 2011-07-05 | Anti-corrosion submarine cable with low armoring loss for communication monitoring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985458A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Cable with strong watertightness |
| CN106448856A (en) * | 2016-11-29 | 2017-02-22 | 重庆泰山电缆有限公司 | Double-layer reverse high-strength aluminum alloy armored ocean cable |
| CN112017812A (en) * | 2020-09-17 | 2020-12-01 | 湖北第二师范学院 | Submarine cable |
| CN114582557A (en) * | 2022-01-25 | 2022-06-03 | 通鼎互联信息股份有限公司 | Tensile anti-corrosion power cable suitable for high-fall place |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201170970Y (en) * | 2008-01-24 | 2008-12-24 | 上海浦东电线电缆(集团)有限公司 | Single core metal-shielding type power cable with low loss |
| CN101807453A (en) * | 2010-03-29 | 2010-08-18 | 浙江省电力公司舟山电力局 | Power cable for seabed |
| CN202134240U (en) * | 2011-07-05 | 2012-02-01 | 浙江省电力公司舟山电力局 | Low armour loss anticorrosion submarine cable capable of being monitored by communication |
-
2011
- 2011-07-05 CN CN 201110189800 patent/CN102222541A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201170970Y (en) * | 2008-01-24 | 2008-12-24 | 上海浦东电线电缆(集团)有限公司 | Single core metal-shielding type power cable with low loss |
| CN101807453A (en) * | 2010-03-29 | 2010-08-18 | 浙江省电力公司舟山电力局 | Power cable for seabed |
| CN202134240U (en) * | 2011-07-05 | 2012-02-01 | 浙江省电力公司舟山电力局 | Low armour loss anticorrosion submarine cable capable of being monitored by communication |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985458A (en) * | 2014-04-11 | 2014-08-13 | 安徽省赛华电缆有限公司 | Cable with strong watertightness |
| CN106448856A (en) * | 2016-11-29 | 2017-02-22 | 重庆泰山电缆有限公司 | Double-layer reverse high-strength aluminum alloy armored ocean cable |
| CN112017812A (en) * | 2020-09-17 | 2020-12-01 | 湖北第二师范学院 | Submarine cable |
| CN114582557A (en) * | 2022-01-25 | 2022-06-03 | 通鼎互联信息股份有限公司 | Tensile anti-corrosion power cable suitable for high-fall place |
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Application publication date: 20111019 |