CN202042272U - Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths - Google Patents
Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths Download PDFInfo
- Publication number
- CN202042272U CN202042272U CN2011200933477U CN201120093347U CN202042272U CN 202042272 U CN202042272 U CN 202042272U CN 2011200933477 U CN2011200933477 U CN 2011200933477U CN 201120093347 U CN201120093347 U CN 201120093347U CN 202042272 U CN202042272 U CN 202042272U
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- power cable
- copper wire
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- copper
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Abstract
The utility model discloses a marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths. The power cable comprises a conductor cable core, wherein the conductor cable core is composed of a copper conductor, a fire-resistant layer, a shielding layer and a cross-linked polyethylene insulated sheath; a wrapping tape, an inner polrvinyl chloride sheath, a copper wire weaving armored layer, an outer polyolefin sheath and a corrosion resisting layer are arranged outside the conductor cable core; and the clearance between the conductor cable core and the wrapping tape are filled with fillers. The power cable is simple in structure and is easy to realize; the inner polrvinyl chloride sheath and the cross-linked polyolefin sheath arranged outside the conductor cable core can effectively increase the inflaming-retarding capacity and the safety of the power cable; the fire-resistant layer arranged outside the copper conductor can effectively increase the fire-resistant property of the conductor cable core; the shielding layer can effectively shield electromagnetic waves; the fillers filled in the clearance between the conductor cable core and the wrapping tape can effectively increase the strength of the power cable; and the corrosion resisting layer can effectively increase the corrosion resisting capacity of the power cable.
Description
Technical field
The utility model relates to the power cable field, is specially a kind of fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable.
Background technology
Power cable is the electric equipment that is used to transmit and distribute electric energy.In power circuit, the shared proportion of cable increases just gradually.It is transmission and distribute high-power electric energy in the basic routing line of electric power system that power cable mainly acts on.Modern steamer electrifing degree is higher, need use a large amount of power cables and carry out electric energy transmitting, and modern steamer has requirement for the flame-retarding characteristic of power cable, and traditional power cable can't satisfy the demand of modern steamer.
The utility model content
The purpose of this utility model provides a kind of fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable, can't satisfy the problem of modern steamer demand with the power cable flame-retarding characteristic that solves prior art.
In order to achieve the above object, the technical scheme that the utility model adopted is:
Fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable, it is characterized in that: the conductor thread core that includes two compound bundle strands, flame retardant coating, screen, crosslinked polyetylene insulated cover that described conductor thread core is enclosed within outside the copper conductor by copper conductor, successively constitute, the twisting pitch ratio of two conductor thread cores is less than 10 times, and copper conductor resistivity is less than 0.017241 Ω .mm
2/ m, two conductor thread core outsides are coated with twining package tape, polyvinyl chloride inner sheath, copper wire braiding armour, polyolefin oversheath, anti-corrosion layer successively, and the space between described conductor thread core and the twining package tape is filled with filler.Described fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable, it is characterized in that: described copper conductor surface is coated with the tin layer.
Described fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable is characterized in that: described copper wire braiding armour is formed by the annealed copper wire braiding that the surface is coated with the tin layer.
The utility model is simple in structure, is easy to realize.Conductor thread core plays the effect of electric energy transmitting, by compound bundle strand two conductor thread cores are twisted together, and twisting pitch can guarantee the power cable compact conformation than less than 10 times, and reduce the loss of electric energy, copper conductor resistivity is less than 0.017241 Ω .mm
2/ m can improve the efficiency of transmission of electric energy, the outer flame retardant coating of copper conductor can improve the fire resistance of conductor thread core effectively, screen outside the copper conductor is shielding electromagnetic wave effectively, the annealed copper wire that is woven into copper wire braiding armour is coated with the tin layer outward, prevent the oxidative phenomena in the course of processing and use, the polyvinyl chloride inner sheath that conductor thread core is outer, the polyolefin oversheath can improve the fire retardancy of power cable effectively, also improved the fail safe of power cable, anti-corrosion layer has strengthened the erosion-resisting ability of power cable effectively, and the filler in space has strengthened the intensity of power cable effectively between conductor thread core and the twining package tape.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
As shown in Figure 1.Fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable, include the conductor thread core 1 of two compound bundle strands, flame retardant coating 3, screen 4, crosslinked polyetylene insulated covers 5 that conductor thread core 1 is enclosed within outside the copper conductor 2 by copper conductor 2, successively constitute, copper conductor 2 surfaces are coated with the tin layer, the twisting pitch ratio of two conductor thread cores 1 is less than 10 times, and copper conductor 2 resistivity are less than 0.017241 Ω .mm
2/ m, two conductor thread core 1 outsides are coated with twining package tape 6, polyvinyl chloride inner sheath 7, copper wire braiding armour 8, polyolefin oversheath 9, anti-corrosion layer 10 successively, space between conductor thread core 1 and the twining package tape 6 is filled with filler 11, and copper wire braiding armour 8 is formed by the annealed copper wire braiding that the surface is coated with the tin layer.
In the utility model, copper conductor adopts oxygen-free copper bar, and the resistivity of copper is less than 0.017241 Ω .mm
2/ m (20 ℃).Annealed copper wire after the wire drawing carries out zinc-plated processing, prevents the oxidative phenomena in the course of processing and use.Conductor thread core adopts compound bundle strand, and the twisting pitch ratio is less than 10 times.Crosslinked polyetylene insulated composite material is adopted in insulation.Semi-finished product soak voltage or dry type spark test.Inner sheath adopts pvc sheathing compound.The braiding of employing tin annealed copper wire.Oversheath adopts the cross-linked polyolefin protective cover material.The exfactory inspection project has: conductor DC resistance, insulation resistance, AC voltage withstand test, construction of cable dimensional gaughing, the inspection of cable outward appearance sign etc.
Claims (3)
1. fire-retardant copper wire armouring polyvinyl chloride, cross-linked polyolefin sheath ship power cable, it is characterized in that: the conductor thread core that includes two compound bundle strands, flame retardant coating, screen, crosslinked polyetylene insulated cover that described conductor thread core is enclosed within outside the copper conductor by copper conductor, successively constitute, the twisting pitch ratio of two conductor thread cores is less than 10 times, and copper conductor resistivity is less than 0.017241 Ω .mm
2/ m, two conductor thread core outsides are coated with twining package tape, polyvinyl chloride inner sheath, copper wire braiding armour, polyolefin oversheath, anti-corrosion layer successively, and the space between described conductor thread core and the twining package tape is filled with filler.
2. fire-retardant copper wire armouring polyvinyl chloride according to claim 1, cross-linked polyolefin sheath ship power cable, it is characterized in that: described copper conductor surface is coated with the tin layer.
3. fire-retardant copper wire armouring polyvinyl chloride according to claim 1, cross-linked polyolefin sheath ship power cable is characterized in that: described copper wire braiding armour is formed by the annealed copper wire braiding that the surface is coated with the tin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200933477U CN202042272U (en) | 2011-03-31 | 2011-03-31 | Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200933477U CN202042272U (en) | 2011-03-31 | 2011-03-31 | Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042272U true CN202042272U (en) | 2011-11-16 |
Family
ID=44969709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200933477U Expired - Fee Related CN202042272U (en) | 2011-03-31 | 2011-03-31 | Marine power cable with inflaming-retarding copper wire armored polrvinyl chloride and cross-linked polyolefin sheaths |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413612A (en) * | 2013-07-23 | 2013-11-27 | 江苏远方电缆厂有限公司 | Cross linked polyethylene insulated power cable |
-
2011
- 2011-03-31 CN CN2011200933477U patent/CN202042272U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413612A (en) * | 2013-07-23 | 2013-11-27 | 江苏远方电缆厂有限公司 | Cross linked polyethylene insulated power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20120331 |