CN103903813B - Communication cable special for sea - Google Patents
Communication cable special for sea Download PDFInfo
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- CN103903813B CN103903813B CN201410079433.0A CN201410079433A CN103903813B CN 103903813 B CN103903813 B CN 103903813B CN 201410079433 A CN201410079433 A CN 201410079433A CN 103903813 B CN103903813 B CN 103903813B
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Abstract
The invention discloses a communication cable special for sea. The communication cable special for sea comprises a cable core composed of three communication cable core pairs. Each communication cable core pair comprises two communication conductors and first shielding layers located at the peripheries of the communication conductors. The two communication conductors of each communicable cable core pair are twisted in pairs, and different twisted pitches are adopted in the three communication cable core pairs. Gaps between the communication cable core pairs are filled with insulating materials with rounded cable cores. An inside liner, an inner protective layer, a second shielding layer, a water-blocking layer, a protective layer and an outer sheath are sequentially arranged at the periphery of the cable core, wherein the inside liner is formed by wrapping a plurality of levels of wrapping tape, and the positions between the different levels of wrapping tape are filled with talcum powder. The water-blocking layer comprises two layers of water-blocking tape, a plurality of floating elements are arranged between the two layers of water-blocking tape, and gaps between the floating elements are filled with water-blocking powder. The communication cable special for sea is simple in structure, highly resistant to corrosion, excellent in waterproof performance and low in using cost.
Description
Technical field
The present invention relates to field of cable technology, more particularly, to a kind of marine dedicated communications cable.
Background technology
Enter under the background in large-scale development stage in ocean, ocean cable enters Rapid development stage.Naval vessel is in sea
In foreign environment, often may require that and carry out communications and other ships, offshore platform between, mainly adopt in communication transmission process
Carried out with communication cable.In prior art, also there is water resistance deficiency in sea communication cable, and corrosion resistance can adapt to
The problems such as marine corrosive environment, meanwhile, existing marine higher with communication cable cost, it is unfavorable for promoting.
Content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of sea dedicated communications cable, uses
Carry out communications at sea, its structure is simple, and resistance to corrosion is strong, water resistance is outstanding and use cost is relatively low.
A kind of sea proposed by the present invention dedicated communications cable, at sea carrying out communications, including logical by three
The cable core to composition for the letter core, the first screen layer to two communication conductors of inclusion with positioned at communication conductor periphery for the communication core,
Communication two communication conductor pair twists of core centering and three communication cores are empty between core to, being communicated to pitch using different strands
It is filled with the insulant of cable core rounding at gap；Cable core periphery is disposed with inner liner, sheath, secondary shielding layer, resistance
Water layer, overcoat and oversheath；Inner liner is to be filled with Talcum between the wrapped formation of multilamellar twining package tape and different levels twining package tape
Powder；The first proof copper-wire braided net and the second copper wire volume that secondary shielding layer includes aluminium set and is closely attached to aluminium set from aluminium set both sides
Knitmesh, the first proof copper-wire braided net, the second proof copper-wire braided net are formed and are closely attached to by way of stranded for thin copper wire braiding
In aluminium set；Water blocking layer includes two-layer waterstop, is provided with multiple floating elements, the gap location of floating element between two-layer waterstop
Injection has water-proofing powder；First screen layer adopts proof copper-wire braided net to make, and overcoat adopts fiber braiding layer to make.
Preferably, in cable core, the periphery of three communication cores pair is tangent to each other.
Preferably, inner liner is to be filled with Pulvis Talci between the wrapped formation of two-layer twining package tape and two-layer twining package tape.
Preferably, floating element is circle, and close-packed arrays between two-layer waterstop.
Preferably, the polyolefine material that sheath adopts, its raw material components is: ethylene-vinyl acetate copolymer, 60-
80 parts；High density polyethylene (HDPE), 20-30 part；Ethylene propylene diene rubber, 15-25 part；Pentaerythritol tetrathioglycollate, 3-5 part；Calcium stearate, 3-
5 parts；Silane coupler, 3-5 part；Aluminium hydroxide, 20-30 part；Trihydroxy methyl propane trimethyl acrylate, 10-15 part；Boric acid
Zinc, 5-10 part；Paris white, 5-10 part；Peroxidating two alkane, 3-5 part；Titanate esters, 1-2 part；Paraffin, 0.3-0.6 part, its
In, ethylene-vinyl acetate copolymer and acetic acid second that ethylene-vinyl acetate copolymer is 18% by vinyl acetate content
Alkene ester content is 28% ethylene-vinyl acetate copolymer composition, and both ratios are 10:1.
In the present invention, different communication core centering communication conductor twists in pair twist to pitch difference, can effectively eliminate adjacent
Communication core between electromagnetic coupled；First screen layer adopt proof copper-wire braided net make can good shield extraneous high frequency and
Strengthen longitudinal resistance to tension on the basis of low-frequency disturbance；Between the level of inner liner, filling Pulvis Talci can effectively improve cable
Resistance to torsion, thus using marine windy environment；Secondary shielding layer adopts three-decker, can lift shield effectiveness, meanwhile, will
The excessively stranded mode of first proof copper-wire braided net, the second proof copper-wire braided Netcom is adhering closely in aluminium set, is conveniently reclaimed, thus
Reduce use cost；After the setting of water blocking layer can prevent cable water inlet, form water tree and lead to reduce cable service life, block water
The interband that blocks water in layer is arranged from floating element, can reduce cable density so that cable floats on sea, in floating element
Between be full of water-proofing powder, when hydrone is after waterstop entrance, water-proofing powder can be expanded, so that between two-layer waterstop
Space is filled, and therefore, hydrone entrance is more, and water blocking layer block-water effect is better, effectively improves cable block-water performance；Sheath
As the protective to internal core-wire cable, made by the polyolefine material using above-mentioned raw materials component, can be effectively cold-resistant,
Service life under subsea cryogenic environment for the cable can be extended；Wherein, ethylene-vinyl acetate copolymer adopts vinyl acetate
Ester content is 18% ethylene-vinyl acetate copolymer and ethylene-vinyl acetate copolymerization that vinyl acetate content is 28%
Compositions, in the presence of trihydroxy methyl propane trimethyl acrylate, can lift the defence capability to low temperature.
Brief description
Fig. 1 is a kind of structural representation of sea proposed by the present invention dedicated communications cable.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation of sea proposed by the present invention dedicated communications cable.
With reference to Fig. 1, a kind of sea proposed by the present invention dedicated communications cable, at sea carrying out communications, including
The cable core being made up of to 1 three communication cores, communication core includes two communication conductors 11 and is located at communication conductor 11 periphery to 1
First screen layer, to two communication conductor 11 pair twists in 1 and three communication cores adopt different strands to section to 1 to communication core
Away between communication core, gap is filled with the insulant of cable core rounding；Cable core periphery is disposed with inner liner 2, interior
Sheath 3, secondary shielding layer 4, water blocking layer 5, overcoat 6 and oversheath 7；Inner liner 2 is that two-layer twining package tape is wrapped to be formed and two-layer
It is filled with Pulvis Talci between twining package tape；Secondary shielding layer 4 includes aluminium set 42 and is closely attached to aluminium set 42 from aluminium set 42 both sides
The first proof copper-wire braided net 41 and the second proof copper-wire braided net 43, the first proof copper-wire braided net 41, the second proof copper-wire braided net 43 are thin copper
Silk braiding is formed and is closely attached to by way of stranded in aluminium set 42；Water blocking layer 5 includes two-layer waterstop, two-layer waterstop
Between be provided with multiple floating elements 51, the gap location of floating element 51 is full of and has water-proofing powder 52；First screen layer adopts copper wire
Mesh grid makes, and overcoat 6 adopts fiber braiding layer to make.
In technique scheme, different communication core twists different to pitch to communication conductor 11 in 1 in pair twist, can have
Effect eliminates adjacent communication core to the electromagnetic coupled between 1；First screen layer adopts proof copper-wire braided net to make can be in good screen
Strengthen longitudinal resistance to tension on the basis of covering extraneous high and low frequency interference；Between the level of inner liner 2, filling Pulvis Talci is permissible
Effectively improve the resistance to torsion of cable, thus using marine windy environment；Secondary shielding layer 4 adopts three-decker, can be lifted
Shield effectiveness, meanwhile, the first proof copper-wire braided net 41, the second proof copper-wire braided net 43 is adhering closely to aluminium set by way of stranded
On 42, conveniently reclaimed, thus reducing use cost；After the setting of water blocking layer 5 can prevent cable water inlet, form water tree and lead
Cause reduce cable service life, the interband that blocks water in water blocking layer 5 arrange from floating element 51, cable density can be reduced so that
Cable floats on sea, is full of water-proofing powder 52 between floating element 51, when hydrone is after waterstop entrance, water-proofing powder 52 meeting
Expanded, so that space is filled between two-layer waterstop, therefore, hydrone enters more, water blocking layer 5 block-water effect
Better, effectively improve cable block-water performance.
During specific design, in cable core three communication core to 1 periphery tangent to each other so that cable core is more
Compact.
During specific design, floating element 51 is circle, and close-packed arrays between two-layer waterstop.
In the present embodiment, the polyolefine material that sheath 3 adopts, its raw material components is: ethylene-vinyl acetate copolymerization
Thing, 72 parts；High density polyethylene (HDPE), 23 parts；Ethylene propylene diene rubber, 21 parts；Pentaerythritol tetrathioglycollate, 4 parts；Calcium stearate, 3 parts；Silicon
Alkane coupling agent, 5 parts；Aluminium hydroxide, 27 parts；Trihydroxy methyl propane trimethyl acrylate, 12 parts；Firebrake ZB, 7 parts；Calcium Carbonate
Powder, 6 parts；Peroxidating two alkane, 5 parts；Titanate esters, 1.3 parts；Paraffin, 0.4 part, wherein, ethylene-vinyl acetate copolymer by
Vinyl acetate content is 18% ethylene-vinyl acetate copolymer and ethyl vinyl acetate second that vinyl acetate content is 28%
Enoate copolymer forms, and both ratios are 10:1.
Sheath 3 as the protective to internal core-wire cable, by the polyolefine material system using above-mentioned raw materials component
Make, can be effectively cold-resistant, service life under subsea cryogenic environment for the cable can be extended；Wherein, ethylene-vinyl acetate is common
Ethylene-vinyl acetate copolymer that polymers is 18% using vinyl acetate content and the second that vinyl acetate content is 28%
Alkene-vinyl acetate co-polymer compositionss, in the presence of trihydroxy methyl propane trimethyl acrylate, can be lifted to low temperature
Defence capability.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (4)
1. a kind of sea dedicated communications cable, at sea carrying out communications it is characterised in that including by three order wires
The cable core that core forms to (1), communication core includes two communication conductors (11) and be located at communication conductor (11) periphery the to (1)
One screen layer, to two communication conductor (11) pair twists in (1) and three communication cores adopt different strands right to (1) to communication core
Pitch, between communication core, gap is filled with the insulant of cable core rounding；Cable core periphery is disposed with inner liner
(2), sheath (3), secondary shielding layer (4), water blocking layer (5), overcoat (6) and oversheath (7)；Inner liner (2) be multilamellar around
It is filled with Pulvis Talci between the wrapped formation of band and different levels twining package tape；Secondary shielding layer (4) include aluminium set (42) and from
Aluminium set (42) both sides are closely attached to the first proof copper-wire braided net (41) and the second proof copper-wire braided net (43) of aluminium set (42), the first bronze medal
Silk mesh grid (41), the second proof copper-wire braided net (43) are formed and are closely attached to aluminium set by way of stranded for thin copper wire braiding
(42) on；Water blocking layer (5) includes two-layer waterstop, is provided with multiple floating elements (51), floating element between two-layer waterstop
(51) gap location is full of water-proofing powder (52)；First screen layer adopts proof copper-wire braided net to make, and overcoat (6) adopts fiber to compile
Tissue layer makes；
The polyolefine material that sheath (3) adopts, its raw material components is: ethylene-vinyl acetate copolymer, 60-80 part；Highly dense
Degree polyethylene, 20-30 part；Ethylene propylene diene rubber, 15-25 part；Pentaerythritol tetrathioglycollate, 3-5 part；Calcium stearate, 3-5 part；Silane
Coupling agent, 3-5 part；Aluminium hydroxide, 20-30 part；Trihydroxy methyl propane trimethyl acrylate, 10-15 part；Firebrake ZB, 5-10
Part；Paris white, 5-10 part；Peroxidating two alkane, 3-5 part；Titanate esters, 1-2 part；Paraffin, 0.3-0.6 part, wherein, ethylene-
Ethylene-vinyl acetate copolymer and vinyl acetate content that vinyl acetate co-polymer is 18% by vinyl acetate content
Ethylene-vinyl acetate copolymer composition for 28%, and both ratios are 10:1.
2. sea dedicated communications cable according to claim 1 is it is characterised in that three communication cores are to (1) in cable core
Periphery tangent to each other.
3. according to claim 1 sea dedicated communications cable it is characterised in that inner liner (2) be two-layer twining package tape around
It is filled with Pulvis Talci between bag formation and two-layer twining package tape.
4. according to claim 1 sea dedicated communications cable it is characterised in that floating element (51) be circle, and
Close-packed arrays between two-layer waterstop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079433.0A CN103903813B (en) | 2014-03-05 | 2014-03-05 | Communication cable special for sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079433.0A CN103903813B (en) | 2014-03-05 | 2014-03-05 | Communication cable special for sea |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103903813A CN103903813A (en) | 2014-07-02 |
| CN103903813B true CN103903813B (en) | 2017-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079433.0A Active CN103903813B (en) | 2014-03-05 | 2014-03-05 | Communication cable special for sea |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976918A (en) * | 2015-03-16 | 2016-09-28 | 沈群华 | Heterotype filling rope for power cable, manufacture method, and manufacture method for filling rope for optical cable |
| CN105047277B (en) * | 2015-08-20 | 2017-10-27 | 国网山东省电力公司临沂供电公司 | Water resistant tree low-voltage insulating cable |
| CN108148238A (en) * | 2016-12-06 | 2018-06-12 | 管莉 | A kind of communication optical fiber cable sheath tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2034491A2 (en) * | 2007-09-05 | 2009-03-11 | HEW-KABEL /CDT GmbH & Co. KG | Extremely flexible shielded electric data conductor |
| CN101996708A (en) * | 2010-10-19 | 2011-03-30 | 远东电缆有限公司 | Offshore floating wind power generation cable |
| CN103474166A (en) * | 2013-08-23 | 2013-12-25 | 安徽埃克森科技集团有限公司 | Cable for high voltage Ethernet |
| CN203397762U (en) * | 2013-07-10 | 2014-01-15 | 江苏亨通线缆科技有限公司 | Data cable for ship communication |
| CN203826121U (en) * | 2014-03-05 | 2014-09-10 | 安徽中通电缆科技有限公司 | Special maritime communication cable |
-
2014
- 2014-03-05 CN CN201410079433.0A patent/CN103903813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2034491A2 (en) * | 2007-09-05 | 2009-03-11 | HEW-KABEL /CDT GmbH & Co. KG | Extremely flexible shielded electric data conductor |
| CN101996708A (en) * | 2010-10-19 | 2011-03-30 | 远东电缆有限公司 | Offshore floating wind power generation cable |
| CN203397762U (en) * | 2013-07-10 | 2014-01-15 | 江苏亨通线缆科技有限公司 | Data cable for ship communication |
| CN103474166A (en) * | 2013-08-23 | 2013-12-25 | 安徽埃克森科技集团有限公司 | Cable for high voltage Ethernet |
| CN203826121U (en) * | 2014-03-05 | 2014-09-10 | 安徽中通电缆科技有限公司 | Special maritime communication cable |
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| Publication number | Publication date |
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| CN103903813A (en) | 2014-07-02 |
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