CN102779577B - A kind of Multi-functional high-efficient waterproof electric cable - Google Patents
A kind of Multi-functional high-efficient waterproof electric cable Download PDFInfo
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- CN102779577B CN102779577B CN201210264175.4A CN201210264175A CN102779577B CN 102779577 B CN102779577 B CN 102779577B CN 201210264175 A CN201210264175 A CN 201210264175A CN 102779577 B CN102779577 B CN 102779577B
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Abstract
The invention discloses a kind of Multi-functional high-efficient waterproof electric cable, base-material: ethylene-vinyl acetate copolymer 100 parts, wherein: ethene? 60%-72%, vinyl acetate? 28% ~ 40%; Plasticizer: o-phthalic acid dibutyl ester 15 ~ 25 parts; Lubricant: two alkali formula phthalic acids 3 ~ 5 parts; High high electric conductivity carbon black 12 ~ 20 parts; Stabilizer: calcium stearate 1 ~ 3 part; More than be weight ratio; Have the advantages that technique simply, efficiently blocks water.<!--1-->
Description
One, technical field
The present invention relates to a kind of Multi-functional high-efficient waterproof electric cable.
Two, technical background
At present, water repellent electric cable adopts and insert water blocking yarn or water-proofing powder between stranded conductor single line gap, and be difficult in journey that water blocking yarn is accurately inserted gap and water-proofing powder between conductor and all measure control, water blocking yarn, water-proofing powder are insulator; Certain influence is had to the electric conductivity of cable, and cumbersome, water blocking yarn or water-proofing powder are reached by water-swellable and block water, and water along the longitudinal seepage 900mm ~ 1000mm of cable, can directly reduce the performance blocked water and the effect blocked water in the process.201110192928.0 patent discloses a kind of vertical water-blocked filler material used in cable, and the weight proportion of its material component is: acrylate rubber ACM100, vulcanizing agent 4-7, vulcanization aid 4-7, magnesium oxide 6-8, zinc oxide 7-10, homogenizing agent WB221-3, plasticizer WB3506-8, Mo get Li 935P1-3, silane coupler 0.5-3, reinforcing agent 30-60, filler 90-105, age resistor 2-5, stabilizer 3-6.The filling irregular bar be made up of material water-proof material of the present invention, there is steady chemical structure, be not decomposed by the microorganisms, gelling performance is good, swelliong power is high, longitudinally water baffle bar material of the present invention is filled in cable cabling process, after cable adopts water shutoff material, the electric property of cable improves, and extends the useful life of cable, has saved resource.Patent 02135239.9 transmission cable with core line of alumium-based composite carbon fiber material and preparation, transmission cable with core line of alumium-based composite carbon fiber material and preparation belong to electric power transfer field of material preparation, it is characterized in that a kind of aluminum wire cable strengthened by alumium-based composite carbon fiber material core, the core of this aluminum wire cable is matrix by many aluminum or aluminum alloy, it is uniform-distribution with mixed carbon fibre, volume ratio shared by fiber is 50-60%, mixed carbon fibre is made up of high modulus carbon fiber and high-strength carbon fiber, wherein high modulus carbon fiber accounts for the percent by volume of total fiber is 20-50%, aluminum base carbon fiber composite material filament forms, wire core diameter is 2.5-3.6mm, cable size is 16-40mm, aluminum base carbon fiber composite material core is directly placed in the center of multilayer aluminum steel, form aluminum base carbon fiber composite material core transmission cable.Patent 02131936.7 produces the method for cable insulation material, and relate to a kind of method of being produced cable protection material by extrusion molding olefin type polymer composition, said composition is such as olefin type thermoplastic elastomer composition.The cable protection material of extrusion molding has the surface of smooth flow, and the distribution of material of the balance formed.Therefore, the resistance to wear that had of this cable protection material.Such material is by mixing and mediating olefin type polymer and suitable additive so that make olefin type polymer composition, said composition be cut into pellet and extrusion molding pellet is formed while composition temperature is remained on 190 DEG C-250 DEG C.Patent 00816684.6 is for the seal of longitudinal split cable fitting, seal (DK) comprises several part (DS1, DS2, DS3), a sealing block (DBAS, DBMS) is furnished with respectively in their closed chamber (DKAA, DKAM), sealing block is made up of yielding material, is especially made up of spawn.The sheet (ZE) conically stretched be used to insert seal (DK) and the cable be maintained at wherein carries out centering.The chock (K) can handled by external force can apply the effect of power to the pressure elements of attaching troops to a unit (DE), this pressure elements (DE) makes corresponding sealing block (DBAS, DBMS) distortion is produced, thus spawn of radially extruding.
Three, summary of the invention
Object of the present invention is adopt a kind of novel (extrusion type) material water-proof material, stranded by extrusion molding of heating, material water-proof material is made closely to be filled in gap between stranded single line, every root conductor single line is separate, mutually rely on, technique is simple, material water-proof material is semiconductive elastomer, ensure that electric conductivity reaches again efficient water stop function, and the longitudinal seepage of this cable of empirical tests is less than 2mm.A kind of Multi-functional high-efficient waterproof electric cable is characterized in that, base-material: ethylene-vinyl acetate copolymer 100 parts, wherein: ethene 60%-72%, and vinyl acetate 28% ~ 40%; Plasticizer: o-phthalic acid dibutyl ester 15 ~ 25 parts; Lubricant: two alkali formula phthalic acids 3 ~ 5 parts; High high electric conductivity carbon black 12 ~ 20 parts; Stabilizer: calcium stearate 1 ~ 3 part; More than be weight ratio.
First the conductor single wire surface being placed on center is evenly extruded one deck material water-proof material by plastic extruding machine, Extruder temperature is arranged on: feed zone: 50 DEG C ± 5 DEG C, compression section: 90 DEG C ± 10 DEG C, homogenizing zone: 100 DEG C ± 10 DEG C, machine neck: 110 DEG C ± 10 DEG C, head: 100 DEG C ± 10 DEG C, extrude thickness 0.8mm, the thinnest some 0.7mm.
Use Multifucntional water repellent electric cable conductor wringing equipment; The material water-proof material of heated center conductor single wire surface and center outer contact single line to 90 DEG C ~ 100 DEG C, stranded by rotating; The material water-proof material of center conductor single wire surface is squeezed from the gap between outer contact single line and overflows material water-proof material, twisting pitch controls at 170mm ~ 190mm.
Heating stranded conductor to 90 DEG C ~ 100 DEG C; Evenly extrude by plastic extruding machine material water-proof material one deck material water-proof material and stranded conductor outer contact single line gap overflowed to mix and be integrated; Extruder temperature is arranged on: feed zone: 50 DEG C ± 5 DEG C, compression section: 90 DEG C ± 5 DEG C, homogenizing zone: 100 DEG C ± 5 DEG C, machine neck: 110 DEG C ± 5 DEG C, head: 100 DEG C ± 5 DEG C, again by the compacting of water repellent electric cable Multifunctional Curettage compression mould, scrape light, sizing, make the material water-proof material between gap more substantial, tight; Effective control cables outer diameter tolerance simultaneously.
Four, accompanying drawing explanation
Fig. 1 is a kind of Multi-functional high-efficient waterproof electric cable structure principle chart.
Five, embodiment
In FIG, 1 is conductor single line, and 2 is material water-proof material, and 3 is insulating material.Base-material: ethylene-vinyl acetate copolymer 100 parts, wherein: ethene 60%-72%, vinyl acetate 28% ~ 40%; Plasticizer: o-phthalic acid dibutyl ester 15 ~ 25 parts; Lubricant: two alkali formula phthalic acids 3 ~ 5 parts; High high electric conductivity carbon black 12 ~ 20 parts; Stabilizer: calcium stearate 1 ~ 3 part; More than be weight ratio.
First the conductor single wire surface being placed on center is evenly extruded one deck material water-proof material by plastic extruding machine, Extruder temperature is arranged on: feed zone: 50 DEG C ± 5 DEG C, compression section: 90 DEG C ± 10 DEG C, homogenizing zone: 100 DEG C ± 10 DEG C, machine neck: 110 DEG C ± 10 DEG C, head: 100 DEG C ± 10 DEG C, extrude thickness 0.8mm, the thinnest some 0.7mm.
Use Multifucntional water repellent electric cable conductor wringing equipment; The material water-proof material of heated center conductor single wire surface and center outer contact single line to 95 DEG C, stranded by rotating; The material water-proof material of center conductor single wire surface is squeezed from the gap between outer contact single line and overflows material water-proof material, twisting pitch controls at 180mm.
Heating stranded conductor to 98 DEG C; Evenly extrude by plastic extruding machine material water-proof material one deck material water-proof material and stranded conductor outer contact single line gap overflowed to mix and be integrated; Extruder temperature is arranged on: feed zone: 52 DEG C, compression section: 91 DEG C, homogenizing zone: 103 DEG C, machine neck: 108 DEG C, head: 102 DEG C, again by the compacting of water repellent electric cable Multifunctional Curettage compression mould, scrape light, sizing, make the material water-proof material between gap more substantial, tight; Effective control cables outer diameter tolerance simultaneously.
Claims (1)
1. a preparation method for water repellent electric cable, is characterized in that,
First the conductor single wire surface being placed on center is evenly extruded one deck material water-proof material by plastic extruding machine, Extruder temperature is arranged on: feed zone: 50 DEG C ± 5 DEG C, compression section: 90 DEG C ± 10 DEG C, homogenizing zone: 100 DEG C ± 10 DEG C, machine neck: 110 DEG C ± 10 DEG C, head: 100 DEG C ± 10 DEG C, extrude thickness 0.8mm, the thinnest some 0.7mm;
Use water repellent electric cable conductor wringing equipment, the material water-proof material of heated center conductor single wire surface and center outer contact single line to 90 DEG C ~ 100 DEG C, stranded by rotating, the material water-proof material of center conductor single wire surface is squeezed from the gap between outer contact single line and overflows material water-proof material, twisting pitch controls at 170mm ~ 190mm;
Heating stranded conductor to 90 DEG C ~ 100 DEG C; Evenly extrude by plastic extruding machine material water-proof material one deck material water-proof material and stranded conductor outer contact single line gap overflowed to mix and be integrated; Extruder temperature is arranged on: feed zone: 50 DEG C ± 5 DEG C, compression section: 90 DEG C ± 5 DEG C, homogenizing zone: 100 DEG C ± 5 DEG C, machine neck: 110 DEG C ± 5 DEG C, head: 100 DEG C ± 5 DEG C, scrape compaction die by water repellent electric cable again, scrape light, sizing, make the material water-proof material between gap more substantial, tight; Control cables outer diameter tolerance simultaneously; Wherein,
Consisting of of material water-proof material:
Base-material is ethylene-vinyl acetate copolymer, 100 parts, wherein: ethene 60%-72%, and vinyl acetate 28% ~ 40%;
Plasticizer is o-phthalic acid dibutyl ester, 15 ~ 25 parts;
Lubricant is two alkali formula phthalic acids, 3 ~ 5 parts;
High high electric conductivity carbon black 12 ~ 20 parts;
Stabilizer is calcium stearate, 1 ~ 3 part;
More than be weight portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264175.4A CN102779577B (en) | 2012-07-27 | 2012-07-27 | A kind of Multi-functional high-efficient waterproof electric cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210264175.4A CN102779577B (en) | 2012-07-27 | 2012-07-27 | A kind of Multi-functional high-efficient waterproof electric cable |
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| Publication Number | Publication Date |
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| CN102779577A CN102779577A (en) | 2012-11-14 |
| CN102779577B true CN102779577B (en) | 2016-01-20 |
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| CN201210264175.4A Expired - Fee Related CN102779577B (en) | 2012-07-27 | 2012-07-27 | A kind of Multi-functional high-efficient waterproof electric cable |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9658417B2 (en) | 2013-12-02 | 2017-05-23 | Tyco Electronics Subsea Communications Llc | Conductive water blocking material including metallic particles and an optical cable and method of constructing an optical cable including the same |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374220Y (en) * | 2009-04-03 | 2009-12-30 | 特变电工(德阳)电缆股份有限公司 | Water blocking overhead insulated cable |
| CN101885873A (en) * | 2010-05-05 | 2010-11-17 | 深圳市联嘉祥科技股份有限公司 | Semi-conductive ethylene vinyl acetate (EVA) plastic for shielding and production method thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201374220Y (en) * | 2009-04-03 | 2009-12-30 | 特变电工(德阳)电缆股份有限公司 | Water blocking overhead insulated cable |
| CN101885873A (en) * | 2010-05-05 | 2010-11-17 | 深圳市联嘉祥科技股份有限公司 | Semi-conductive ethylene vinyl acetate (EVA) plastic for shielding and production method thereof |
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| CN102779577A (en) | 2012-11-14 |
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Effective date of registration: 20170517 Address after: 610036, No. 1, 2, 28, 669 Jin Fu Road, Chengdu, Sichuan, Jinniu District Patentee after: Chengdu Yonghua Yongdao Trading Co. Ltd. Address before: 611930, Pengzhou Industrial Development Zone, Chengdu, Sichuan (three section of three ring road and 128 Ring Road) Patentee before: Chengdu Suli Cable Co., Ltd. |
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Granted publication date: 20160120 Termination date: 20190727 |
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