CN102184761A - Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable - Google Patents
Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable Download PDFInfo
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- CN102184761A CN102184761A CN 201010187000 CN201010187000A CN102184761A CN 102184761 A CN102184761 A CN 102184761A CN 201010187000 CN201010187000 CN 201010187000 CN 201010187000 A CN201010187000 A CN 201010187000A CN 102184761 A CN102184761 A CN 102184761A
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Abstract
The invention discloses a mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable. The concentric conductor cable comprises a fireproof insulation wire and an outer sheath, and is characterized by further comprising a zero line concentric conductive layer wrapped outside the fireproof insulation wire, an isolation layer wrapped outside the zero line concentric conductive layer and a protection wire concentric conductor layer wrapped outside the isolation layer; and the outer sheath is wrapped outside the protection wire concentric conductor layer. The mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable has the advantages that: the cable can be applied to an environment capable of preventing mouse biting and termite gnawing, and all materials are environment-friendly, so various fireproof and antiflaming environment requirements can be met. By arranging the zero line concentric conductive layer and the protection wire concentric conductor layer, phase sequence impedance and zero sequence impedance can be matched. The concentric conductor cable is a very ideal power cable applied to public places and large engineering such as nuclear power stations, metros, airports and the like.
Description
Technical field
The present invention relates to the cable technology field, particularly a kind of protection against rodents, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable.
Background technology
Common five core lv power cables are general adopt five core circles, fan-shaped or watt type structure together stranding twist together, the cable phase sequence of this structure is bigger, and each phase of impedance is unequal, can produce problems such as bigger circuit loss and impedance unbalance like this.Simultaneously common protection against rodents, termite proof cable generally adopt additive such as the bigger dieldrite of the toxicity that adds non-environmental protection in the cable jacket, the agent of Chinese mugwort formula and heavy metal material as stabilizer, and these materials move easily, after a period of time surrounding environment are caused bigger pollution.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of protection against rodents, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, to solve the existing in prior technology weak point.
In order to realize the foregoing invention purpose; protection against rodents of the present invention, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable; comprise hot-face insulation core and oversheath; it is characterized in that; comprise also being coated on the outer zero line concentric conductor layer of the hot-face insulation core separator outer and being coated on the outer protection core concentric conductor layer of separator that oversheath is coated on outside the protection core concentric conductor layer with being coated on zero line concentric conductor layer.
Wherein, oversheath adopts the termite-proof low-smoke and halogen-free flame retardant polyolefin jacket material of protection against rodents to extrude and forms, and its oxygen index should be not less than 36.
Protection core concentric conductor layer of the present invention by some copper cash dredge around conductor layer that structure forms, be coated on the fine copper belt outside the conductor layer, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt constitutes with the glass fiber flame retardant belt; wherein the strand of conductor layer is to being left-hand, and pitch is 410-420mm.Copper cash material anaerobic cathode copper, the cross section is 70mm
2, structure is 47/1.38mm.Fine copper belt and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt.
Separator of the present invention adopts the low-smoke bittern-free highly fire-proof cable material of polyolefin to extrude and forms, the oxygen index of described low-smoke bittern-free highly fire-proof cable material of polyolefin 〉=36, and thickness is about 1.4mm.
Zero line concentric conductor layer of the present invention by some copper cash dredge around zero line concentric conductor layer that structure forms, be coated on the fine copper belt outside the zero line concentric conductor layer, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt constitutes with the glass fiber flame retardant belt, wherein the strand of conductor layer is to being left-hand, and pitch is 350-360mm.Copper cash material anaerobic cathode copper, the cross section is 140mm
2, structure is 55/1.67mm.Fine copper belt and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt.
Hot-face insulation core of the present invention comprises that the cable core cable core flame retardant coating outer with being coated on cable core constitutes, and wherein cable core is made of some eradication edge heart yearns, filler, and the pitch of cable core is a 45-47 times of laying up diameter; Described cable core flame retardant coating adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃, and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14-0.17mm.
Filler of the present invention is alkali-free glass wool gasket for packing or asbestos cord, and its oxygen index (OI) is more than 58.
Insulation heart yearn of the present invention is made of with being coated on the flame retardant coating outside the conductor and being coated on the outer insulating barrier of flame retardant coating conductor, and wherein conductor adopts the annealed copper stranded conductor, and material is the anaerobic cathode copper, and cross sectional shape is circular or fan-shaped; Flame retardant coating adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃. and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14-0.17mm; Insulating barrier adopts crosslinked polyethylene insulation material to squeeze tubular type and coats.
Advantage of the present invention is that this cable can be applied to have the damaged by rats of preventing and closes termite and gnaw in the environment of biting, and all material all adopts ep-type material, can satisfy fire-resistant and fire-retardant multiple environmental requirement.The present invention makes cyclic impedance and zero sequence impedance coupling by zero line concentric conductor layer and protection core concentric conductor layer are set, and the present invention is a kind of public place and very desirable power cable kinds of heavy construction such as nuclear power station, subway, airport of being widely used in
Description of drawings
Fig. 1 is the radial cross-section of protection against rodents of the present invention, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable embodiment 1.
Fig. 2 is the radial cross-section of protection against rodents of the present invention, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable embodiment 2.
Embodiment
Following specific embodiments and the drawings further specify the present invention.
Protection against rodents as described in Figure 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable; comprise the hot-face insulation core, be coated on the outer zero line concentric conductor layer of hot-face insulation core, be coated on the outer separator 9 of zero line concentric conductor layer, be coated on the protection core concentric conductor layer outside the separator 9, be coated on the outer oversheath 13 of protection core concentric conductor layer.
Oversheath 13 adopts the termite-proof low-smoke and halogen-free flame retardant polyolefin jacket material of protection against rodents to extrude and forms, and its oxygen index should be not less than 36, and thickness is about 2.5mm, and external diameter is 47.1-47.5mm.The color of oversheath 13 is generally black, can be adjusted into other color according to customer requirement.
Protection core concentric conductor layer by some copper cash dredge around conductor layer 10 that structure forms, be coated on the fine copper belt 11 outside the conductor layer, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt 11 constitutes with glass fiber flame retardant belt 12; wherein the strand of conductor layer 10 is to being left-hand; pitch is 410-420mm, and external diameter is 41.3-41.7mm.。Copper cash material anaerobic cathode copper, the cross section is 70mm
2, structure is 47/1.38mm.Fine copper belt 11 and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt 12.Low smoke and zero halogen type electric wire should be not less than 58 with the oxygen index of glass fiber flame retardant band.
Zero line concentric conductor layer by some copper cash dredge around zero line concentric conductor layer 6 that structure forms, be coated on the fine copper belt 7 outside the zero line concentric conductor layer 6, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt 7 constitutes with glass fiber flame retardant belt 8, wherein the strand of conductor layer 6 is to being left-hand, pitch is 350-360mm, and external diameter is 35.1-35.4mm.Copper cash material anaerobic cathode copper, the cross section is 140mm
2, structure is 55/1.67mm.Fine copper belt 7 and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt 8.Low smoke and zero halogen type electric wire should be not less than 58 with the oxygen index of glass fiber flame retardant band.
The hot-face insulation core comprises cable core and is coated on the outer cable core flame retardant coating of cable core 5 formations, cable core flame retardant coating 5 adopts synthetic mica tape wrapped, the refractory temperature of synthetic mica tape is not less than 850 ℃, and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and the synthetic mica tape thickness is 0.14mm.
Cable core is made of 3 eradication edge heart yearns, filler 4, and the pitch of cable core is 45 times of laying up diameter, is about 150mm.Filler 4 is alkali-free glass wool gasket for packing or asbestos cord, and its oxygen index (OI) is more than 58.The filling radical is that the central authorities of 4* Φ 4,3 eradication edge heart yearns fill one, and peripheral clearance is filled one respectively.
The insulation heart yearn is made of with being coated on the flame retardant coating 2 outside the conductor 1 and being coated on flame retardant coating 2 outer insulating barriers 3 conductor 1, and wherein conductor 1 adopts the annealed copper stranded conductor, and material is the anaerobic cathode copper, and cross sectional shape is circular, and the cross section is 120mm
2, structure is 36/2.1mm; Flame retardant coating 2 adopts synthetic mica tape wrapped, and the refractory temperature of synthetic mica tape is not less than 850 ℃.Wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14mm; Insulating barrier 3 adopts crosslinked polyethylene insulation material, and insulating barrier 3 nominal thickness are: 1.2mm, the insulation external diameter is between the 15.0-15.4mm.Insulating barrier 3 extrudes to adopt and squeezes the tubular type coating, and guarantees that insulating barrier 3 and flame retardant coating 2 coat closely.Three thoroughly do away with edge core color is respectively: red, yellow, green.
Referring to Fig. 2, outside the cross sectional shape of the insulation heart yearn of present embodiment and embodiment 1 were different, all the other were identical with embodiment 1.The insulation heart yearn of present embodiment is made of with being coated on the flame retardant coating 2 outside the conductor 1 and being coated on flame retardant coating 2 outer insulating barriers 3 conductor 1, and wherein conductor 1 adopts the annealed copper stranded conductor, and material is the anaerobic cathode copper, and cross sectional shape is the fan-shaped stranded structure of pressing.Fan-shaped height is 11.3 ± 0.1mm, fan-shaped wide 18.8 ± 0.2mm. at first becomes conductor 1 with 36 annealed copper wires according to the arrangement mode concentric stranding of 6+12+18, it is opposite to amount to 3 layers of every layer of direction of lay, and every layer of strand direction of lay is followed successively by from the inside to the outside: dextrad, left-hand, dextrad.Flame retardant coating 2 adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃. and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14; Insulating barrier 3 adopts crosslinked polyethylene insulation material, and insulating barrier 3 nominal thickness are: 1.2mm, the insulation external diameter is between the 15.0-15.4mm.Insulating barrier 3 extrudes to adopt and squeezes the tubular type coating, and guarantees that insulating barrier 3 and flame retardant coating 2 coat closely.Three thoroughly do away with edge core color is respectively: red, yellow, green.
The advantage of protection against rodents of the present invention, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable is to compare with existing common lv power cable, realized cyclic impedance and zero sequence impedance coupling, and have LSZH, protection against rodents, anti-ant, environmental protection, high flame retardant and function such as fire-resistant, be a kind of public place and very desirable power cable kinds of heavy construction such as nuclear power station, subway, airport of being widely used in.
Claims (9)
1. protection against rodents, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable; comprise hot-face insulation core and oversheath; it is characterized in that; comprise also being coated on the outer zero line concentric conductor layer of the hot-face insulation core separator outer and being coated on the outer protection core concentric conductor layer of separator that oversheath is coated on outside the protection core concentric conductor layer with being coated on zero line concentric conductor layer.
2. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable is characterized in that described oversheath adopts the termite-proof low-smoke and halogen-free flame retardant polyolefin jacket material of protection against rodents to extrude and forms, and its oxygen index should be not less than 36.
3. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, it is characterized in that, described protection core concentric conductor layer by some copper cash dredge around conductor layer that structure forms, be coated on the fine copper belt outside the conductor layer, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt constitutes with the glass fiber flame retardant belt, wherein the strand of conductor layer is to being left-hand, and pitch is 410-420mm; Fine copper belt and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt.
4. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, it is characterized in that, described separator adopts the low-smoke bittern-free highly fire-proof cable material of polyolefin to extrude and forms the oxygen index of described low-smoke bittern-free highly fire-proof cable material of polyolefin 〉=36.
5. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, it is characterized in that, described zero line concentric conductor layer by some copper cash dredge around zero line concentric conductor layer that structure forms, be coated on the fine copper belt outside the zero line concentric conductor layer, the low smoke and zero halogen type electric wire that is coated on outside the fine copper belt constitutes with the glass fiber flame retardant belt, wherein the strand of conductor layer is to being left-hand, and pitch is 350-360mm; Fine copper belt and low smoke and zero halogen type electric wire Duplication 〉=15% of glass fiber flame retardant belt.
6. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, it is characterized in that, described hot-face insulation core comprises cable core and is coated on the outer cable core flame retardant coating formation of cable core, wherein cable core is made of some eradication edge heart yearns, filler, and the pitch of cable core is a 45-47 times of laying up diameter; Described cable core flame retardant coating adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃, and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14-0.17mm.
7. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable is characterized in that described filler is alkali-free glass wool gasket for packing or asbestos cord, and its oxygen index (OI) is more than 58.
8. protection against rodents as claimed in claim 1, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable, it is characterized in that, described insulation heart yearn is made of with being coated on the flame retardant coating outside the conductor and being coated on the outer insulating barrier of flame retardant coating conductor, wherein conductor adopts the annealed copper stranded conductor, material is the anaerobic cathode copper, and cross sectional shape is circular or fan-shaped; Flame retardant coating adopts synthetic mica tape wrapped, and the refractory temperature of mica tape is not less than 850 ℃. and wrapped mode repeats wrapped 2 layers to be not less than 50% Duplication, and mica tape thickness is 0.14-0.17mm.
9. protection against rodents as claimed in claim 8, anti-ant, the fire-resistant environment-friendly type concentric conductor of high flame retardant cable is characterized in that, described insulating barrier adopts crosslinked polyethylene insulation material to squeeze tubular type and coats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010187000.9A CN102184761B (en) | 2010-05-28 | 2010-05-28 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010187000.9A CN102184761B (en) | 2010-05-28 | 2010-05-28 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
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| Publication Number | Publication Date |
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| CN102184761A true CN102184761A (en) | 2011-09-14 |
| CN102184761B CN102184761B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010187000.9A Active CN102184761B (en) | 2010-05-28 | 2010-05-28 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102637478A (en) * | 2012-05-04 | 2012-08-15 | 无锡市恒汇电缆有限公司 | Fire-resistant inflaming retarding high-voltage cable |
| CN104810109A (en) * | 2015-03-23 | 2015-07-29 | 安徽贝特电缆科技有限公司 | Moisture-proof high-voltage-withstanding power cable |
| CN105702329A (en) * | 2016-01-29 | 2016-06-22 | 四川明星电缆股份有限公司 | K3 fire-resisting cable and preparation technology thereof |
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| CN2591713Y (en) * | 2002-12-21 | 2003-12-10 | 新疆特变电工股份有限公司 | Concentric five-core electrical cable |
| CN2845116Y (en) * | 2005-11-20 | 2006-12-06 | 江苏亨通电力电缆有限公司 | Shielded cable for frequency control of motor working below 35 KV |
| CN201036073Y (en) * | 2007-03-29 | 2008-03-12 | 长江电缆有限公司 | Multifunctional environment protection type one-step method silicone hydride crosslinked power cable |
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| CN102637478A (en) * | 2012-05-04 | 2012-08-15 | 无锡市恒汇电缆有限公司 | Fire-resistant inflaming retarding high-voltage cable |
| CN104810109A (en) * | 2015-03-23 | 2015-07-29 | 安徽贝特电缆科技有限公司 | Moisture-proof high-voltage-withstanding power cable |
| CN105702329A (en) * | 2016-01-29 | 2016-06-22 | 四川明星电缆股份有限公司 | K3 fire-resisting cable and preparation technology thereof |
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| Publication number | Publication date |
|---|---|
| CN102184761B (en) | 2014-07-09 |
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