CN103594182A - 6-35kV nanometer super class-A flame-retardant power cable structure - Google Patents
6-35kV nanometer super class-A flame-retardant power cable structure Download PDFInfo
- Publication number
- CN103594182A CN103594182A CN201310656601.3A CN201310656601A CN103594182A CN 103594182 A CN103594182 A CN 103594182A CN 201310656601 A CN201310656601 A CN 201310656601A CN 103594182 A CN103594182 A CN 103594182A
- Authority
- CN
- China
- Prior art keywords
- flame
- nano
- power cable
- nanometer
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention relates to a 6-35kV nanometer super class-A flame-retardant power cable structure. The 6-35kV nanometer super class-A flame-retardant power cable structure comprises a cable core formed by combing a plurality of insulating line cores in a twisting mode, semicircular tooth-shaped sleeves (4)wrapping the insulating line cores, wherein each nanometer flame-retardant layer (5), each lapping nanometer composite belt (6) and each low smoke zero halogen sheath (7) are sequentially arranged outside one semicircular tooth-shaped sleeve (4). Compared with the prior art, the flame resistance of the 6-35kV nanometer super class-A flame-retardant power cable structure can reach above 850 DEG C, 70min, the flame-retardant grade is largely improved, and the defects of original flame-retardant power cables are thoroughly overcome.
Description
Technical field
The present invention relates to a kind of cable, especially relate to the super category-A flame-proof power cable of a kind of 6-35kV Nano type structure.
Background technology
At present, along with improving constantly of scientific and technological level, middle pressure drag combustion cable application scope is more and more wider, lays local more and more, in in the past, press flame retardant cable major part to be that employing is fire-retardant and reach flame retardant effect with lapping layer and sheath, but this effect can not be applicable to present development trend far away.
Summary of the invention
Object of the present invention is exactly to provide the super category-A flame-proof power cable of a kind of 6-35kV Nano type structure in order to overcome the defect of above-mentioned prior art existence.
Object of the present invention can be achieved through the following technical solutions: the super category-A flame-proof power cable of a kind of 6-35kV Nano type structure, it is characterized in that, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve of each insulated wire cores outer wrapping, the nanometer flame retardant coating that semi-circular tooth profile sleeve sets gradually outward, wrapped nano combined band and low smoke and zero halogen sheath.
Described insulated wire cores is by copper conductor and be coated on successively that three-layer co-extruded outside copper conductor goes out layer and metal tape forms.
It is described that three-layer co-extruded to go out layer be coated successively conductor shield, insulating barrier, insulation screen.
Described metal tape is copper strips.
Described nanometer flame retardant coating adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15-80 of nanometer, nano silicon 10-40, nanometer quartz sand 5-25, nano-aluminum hydroxide 10-45, wollastonite in powder 5-35, color native 5-10, glue 20-40, perlite 5-15, nano-calcium carbonate 15-70.The artificial powder of nanometer is ground and is made by magnesium oxide, calcium oxide, calcium carbonate homogenizing in water; The weight ratio of magnesium oxide, calcium oxide, calcium carbonate, water is 15:13:25:400.
Semi-circular tooth profile sleeve has protection insulation fibre core and water-proof function.
Described wrapped nano combined band is made by the following method: take 25～30 parts of methyl vinyl silicone rubbers, 0.5～1.2 part of diphenyl silanediol, 0.5～1.2 part of vinyltrimethoxy silane, 15～20 parts of nano silicons (vapor phase method), 15～19 parts of nano silicons (precipitation method), 7～10 parts, calcium hydroxide, 9～12 parts of alundum (Al2O3)s, 1.3～2.0 parts of nano titanium oxides, 0.3～1.0 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
This wrapped nano combined band adopts the materials such as cooperation methyl vinyl silicone rubber, diphenyl silanediol, vinyltrimethoxy silane such as nano silicon (vapor phase method), nano silicon (precipitation method), Nano titanium dioxide to make high temperature resistant composite; and this high temperature resistant composite is pressed together on to glass fiber tape both sides; bi-material is combined; can under flame, decompose rear surface and form a kind of housing and effectively protect the normal operation of insulation fibre core by electric current, not punctured, promote current-carrying capacity of cable superior function.
Described semi-circular tooth profile sleeve is petal-like semicircle profile of tooth cover for being connected to form cross section by a plurality of semicircle outer rings, is equipped with a hollow inner ring in each semicircle outer ring, and each outside, outer ring is provided with at least one tooth.
The cross section of the tooth on outer ring is square, triangle or trapezoidal.
The present invention has improved the middle pressure drag combustion construction of cable and refractory material, develops novel semi-circular tooth profile sleeve and nanometer refractory material, and material heatproof can reach more than 1400 ℃.In common category-A, pressure drag combustion cable testing temperature is 750 ℃, 40min, and that the super category-A flame-proof power cable of 6-35kV Nano type of the present invention has superelevation is fire-resistant, at 70min, vertical combustion under 850 ℃ of flames, charing is highly not more than 2.5 meters, nonmetal content can reach 14L/ rice, it is over 70 ℃ that conductor allows working temperature for a long time, during short circuit (maximum length in time is no more than 5 seconds), the maximum temperature of cable conductor is no more than 165 ℃, cable is not laid drop and is limited, lightweight good bending property, cable installation and maintenance are simple and convenient, during cable laying, ambient temperature is not less than 0 ℃, have corrosion-resistant, high temperature resistant and anti-flammability, ampacity is large.Improve greatly flame retardant rating, thoroughly changed the weak point of flame retardant cable in the past.
Compared with prior art, the super category-A flame-proof power cable of 6-35kV Nano type mainly structurally improves and refractory material research and development, develop nanometer refractory material heatproof and can reach 1400 ℃, structure is with a kind of novel semi-circular tooth profile sleeve structure of autonomous innovation, this structure has stable water resistance and the effect of protection insulation fibre core, nanometer flame retardant coating is to extrude in semi-circular tooth profile sleeve internal layer space, closely knitly fill up in fibre core space but also can not come off, to replace the common packing material of thinking, effectively promote fire resistance, changed in the past and pressed flame-proof power cable filling part in category-A, thoroughly changed the weak point of flame retardant cable in the past.
Accompanying drawing explanation
Fig. 1 is the super category-A flame-proof power cable of 6-35kV Nano type structural representation;
Fig. 2 is semi-circular tooth profile sleeve 4 schematic diagrames in embodiment 1;
Fig. 3 is semi-circular tooth profile sleeve 4 schematic diagrames in embodiment 2.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, the super category-A flame-proof power cable of a kind of 6-35kV Nano type structure, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve 4 of each insulated wire cores outer wrapping, the outer nanometer flame retardant coating 5 setting gradually of semi-circular tooth profile sleeve 4, is wrappedly nano combinedly with 6 and low smoke and zero halogen sheath 7.
Described insulated wire cores is by copper conductor 1 and be coated on successively that three-layer co-extruded outside copper conductor 1 goes out layer 2 and metal copper strips 3 forms.It is described that three-layer co-extruded to go out layer 2 be coated successively conductor shield, insulating barrier, insulation screen.
Described nanometer flame retardant coating 5 adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15 of nanometer, nano silicon 10, nanometer quartz sand 5, nano-aluminum hydroxide 10, wollastonite in powder 5, color soil 5, glue 20, perlite 5, nano-calcium carbonate 15.The artificial powder of nanometer is ground and is made by magnesium oxide, calcium oxide, calcium carbonate homogenizing in water; The weight ratio of magnesium oxide, calcium oxide, calcium carbonate, water is 15:13:25:400.
Semi-circular tooth profile sleeve has protection insulation fibre core and water-proof function.Described semi-circular tooth profile sleeve 4 is petal-like semicircle profile of tooth cover for being connected to form cross section by a plurality of semicircle outer rings 41, is equipped with a hollow inner ring 42 in each semicircle outer ring 41, and each outside, outer ring is provided with at least one tooth 43, and the cross section of tooth 43 is square.The interior core that all wraps up of each inner ring 42.
Described wrapped be nano combinedly with 6 to make by the following method: to take by weight 25 parts of methyl vinyl silicone rubbers, 0.5 part of diphenyl silanediol, 0.5 part of vinyltrimethoxy silane, 15 parts of nano silicons (vapor phase method), 15 parts of nano silicons (precipitation method), 7 parts, calcium hydroxide, 9 parts of alundum (Al2O3)s, 1.3 parts of nano titanium oxides, 0.3 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
As shown in Figure 1, the super category-A flame-proof power cable of a kind of 6-35kV Nano type structure, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve 4 of each insulated wire cores outer wrapping, the outer nanometer flame retardant coating 5 setting gradually of semi-circular tooth profile sleeve 4, is wrappedly nano combinedly with 6 and low smoke and zero halogen sheath 7.
Described insulated wire cores is by copper conductor 1 and be coated on successively that three-layer co-extruded outside copper conductor 1 goes out layer 2 and metal copper strips 3 forms.It is described that three-layer co-extruded to go out layer 2 be coated successively conductor shield, insulating barrier, insulation screen.
Described nanometer flame retardant coating 5 adopts the mixed raw material of following component and weight portion content to become: the artificial powder 80 of nanometer, nano silicon 40, nanometer quartz sand 25, nano-aluminum hydroxide 45, wollastonite in powder 35, color soil 10, glue 40, perlite 15, nano-calcium carbonate 70.The artificial powder of nanometer is ground and is made by magnesium oxide, calcium oxide, calcium carbonate homogenizing in water; The weight ratio of magnesium oxide, calcium oxide, calcium carbonate, water is 15:13:25:400.
Semi-circular tooth profile sleeve has protection insulation fibre core and water-proof function.Described semi-circular tooth profile sleeve 4 is petal-like semicircle profile of tooth cover for being connected to form cross section by a plurality of semicircle outer rings 41, is equipped with a hollow inner ring 42 in each semicircle outer ring 41, and each outside, outer ring is provided with at least one tooth 43, and the cross section of tooth 43 is trapezoidal.The interior core that all wraps up of each inner ring 42.
Described wrapped be nano combinedly with 6 to make by the following method: to take 30 parts of methyl vinyl silicone rubbers, 1.2 parts of diphenyl silanediols, 1.2 parts of vinyltrimethoxy silanes, 20 parts of nano silicons (vapor phase method), 19 parts of nano silicons (precipitation method), 10 parts, calcium hydroxide, 12 parts of alundum (Al2O3)s, 2.0 parts of nano titanium oxides, 1.0 parts of peroxide vulcanizing agents, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
Claims (7)
1. the super category-A flame-proof power cable of a 6-35kV Nano type structure, it is characterized in that, comprise by the stranded cable core forming of some insulated wire cores, the semi-circular tooth profile sleeve (4) of each insulated wire cores outer wrapping, outer nanometer flame retardant coating (5), wrapped nano combined band (6) and the low smoke and zero halogen sheath (7) setting gradually of semi-circular tooth profile sleeve (4).
2. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described insulated wire cores is by copper conductor (1) and be coated on successively outer three-layer co-extruded of copper conductor (1) and go out layer (2) and metal tape (3) formation.
3. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 2 structure, is characterized in that, described three-layer co-extruded to go out layer (2) be coated successively conductor shield, insulating barrier, insulation screen.
4. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 2 structure, is characterized in that, described metal tape (3) is copper strips.
5. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described nanometer flame retardant coating (5) adopts the mixed raw material of following component and weight portion content to become: the artificial powder 15-80 of nanometer, nano silicon 10-40, nanometer quartz sand 5-25, nano-aluminum hydroxide 10-45, wollastonite in powder 5-35, color native 5-10, glue 20-40, perlite 5-15, nano-calcium carbonate 15-70.
6. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described wrapped nano combined band (6) is made by the following method: take 25～30 parts of methyl vinyl silicone rubbers, 0.5～1.2 part of diphenyl silanediol, 0.5～1.2 part of vinyltrimethoxy silane, 15～20 parts of nano silicons (vapor phase method), 15～19 parts of nano silicons (precipitation method), 7～10 parts, calcium hydroxide, 9～12 parts of alundum (Al2O3)s, 1.3～2.0 parts of nano titanium oxides, 0.3～1.0 part of peroxide vulcanizing agent, after mixing, turn refining, resulting materials is arranged on glass cloth upper and lower surface, and by prolonging compression technology, undertaken compound with glass strap, then toast and vulcanize, finally cut, be wound around, packing.
7. the super category-A flame-proof power cable of a kind of 6-35kV Nano type according to claim 1 structure, it is characterized in that, described semi-circular tooth profile sleeve (4) is petal-like semicircle profile of tooth cover for being connected to form cross section by a plurality of semicircle outer rings, in each semicircle outer ring, be equipped with a hollow inner ring, each outside, outer ring is provided with at least one tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656601.3A CN103594182A (en) | 2013-12-06 | 2013-12-06 | 6-35kV nanometer super class-A flame-retardant power cable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310656601.3A CN103594182A (en) | 2013-12-06 | 2013-12-06 | 6-35kV nanometer super class-A flame-retardant power cable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103594182A true CN103594182A (en) | 2014-02-19 |
Family
ID=50084280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310656601.3A Pending CN103594182A (en) | 2013-12-06 | 2013-12-06 | 6-35kV nanometer super class-A flame-retardant power cable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103594182A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788730A (en) * | 2016-02-03 | 2016-07-20 | 上海胜华电气股份有限公司 | Super A-type flame-retardant power cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388751Y (en) * | 1999-11-18 | 2000-07-19 | 王建新 | Optical cable sleeve |
| US20060068201A1 (en) * | 2002-10-17 | 2006-03-30 | Graeme Alexander | Fire resistant polymeric compositions |
| CN102584107A (en) * | 2012-03-08 | 2012-07-18 | 任学明 | Halogen-free A2 grade fireproof plate |
| CN102850805A (en) * | 2012-09-24 | 2013-01-02 | 无锡江南电缆有限公司 | Fire-resistant ceramic silicone rubber, preparation method of fire-resistant ceramic silicone rubber and application in wires and cables |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
| CN203673864U (en) * | 2013-12-06 | 2014-06-25 | 上海特种电线电缆（集团）有限公司 | 6-35 kV nanometer super class A flame-retardant power cable structure |
-
2013
- 2013-12-06 CN CN201310656601.3A patent/CN103594182A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2388751Y (en) * | 1999-11-18 | 2000-07-19 | 王建新 | Optical cable sleeve |
| US20060068201A1 (en) * | 2002-10-17 | 2006-03-30 | Graeme Alexander | Fire resistant polymeric compositions |
| CN102584107A (en) * | 2012-03-08 | 2012-07-18 | 任学明 | Halogen-free A2 grade fireproof plate |
| CN202771839U (en) * | 2012-07-05 | 2013-03-06 | 安徽江淮电缆集团有限公司 | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable |
| CN102850805A (en) * | 2012-09-24 | 2013-01-02 | 无锡江南电缆有限公司 | Fire-resistant ceramic silicone rubber, preparation method of fire-resistant ceramic silicone rubber and application in wires and cables |
| CN203673864U (en) * | 2013-12-06 | 2014-06-25 | 上海特种电线电缆（集团）有限公司 | 6-35 kV nanometer super class A flame-retardant power cable structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788730A (en) * | 2016-02-03 | 2016-07-20 | 上海胜华电气股份有限公司 | Super A-type flame-retardant power cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103606410A (en) | Nanometer type ultra-A-class fire-resistant control cable | |
| CN104952539A (en) | Environment-friendly cable with high compressive strength | |
| CN203673864U (en) | 6-35 kV nanometer super class A flame-retardant power cable structure | |
| CN205564360U (en) | Fire -retardant power cable of super A class | |
| CN103594182A (en) | 6-35kV nanometer super class-A flame-retardant power cable structure | |
| CN105788730B (en) | A kind of super A classes flame-proof power cable | |
| CN105976913A (en) | Improved-type medium-voltage fireproof power cable | |
| CN103106966A (en) | Soft high-fire-resistance cable | |
| CN204143916U (en) | Novel inorganic mineral insulation flexible multicore fireproof cable | |
| CN103617836A (en) | Nanometer type super-A-class flame-retardant power cable | |
| CN205943517U (en) | Fire -resistant power cable of improved generation middling pressure | |
| CN203721270U (en) | A fluoroplastic insulation highly flame retardant highly temperature resistant cable used for an ore factory | |
| CN103617835A (en) | 6-35kV nanometer type ultra A type flame retardant fireproof power cable structure | |
| CN203673865U (en) | Nanometer super class A flame-retardant fireproof control cable | |
| CN206163180U (en) | Low smoke and zero halogen is mining, and flexible cable is overlapped to shielding rubber | |
| CN204695853U (en) | The cable that a kind of environmental protection compression strength is high | |
| CN204632398U (en) | A kind of mine down-hole fireproof cable | |
| CN205028715U (en) | Novel flame resistant cable | |
| CN209691421U (en) | A kind of inorganic insulation fireproof cable | |
| CN208352011U (en) | A kind of novel flame-retardant fireproof environmental cable | |
| CN202662373U (en) | Movable medium-voltage fireproof power cable | |
| CN203288348U (en) | Intrinsic safety explosion-proof type power cable | |
| CN103617834A (en) | Nanometer type super fire-resistant power cable | |
| CN206401100U (en) | A kind of multifunction railway traffic fireproof cable | |
| CN203760191U (en) | Nanometer ultrahigh fire-resistant power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20181019 |