CN202796225U - Waterproof anticorrosion power cable - Google Patents
Waterproof anticorrosion power cable Download PDFInfo
- Publication number
- CN202796225U CN202796225U CN201220465677.9U CN201220465677U CN202796225U CN 202796225 U CN202796225 U CN 202796225U CN 201220465677 U CN201220465677 U CN 201220465677U CN 202796225 U CN202796225 U CN 202796225U
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- China
- Prior art keywords
- conductor
- power cable
- waterproof
- cable
- watertight composition
- 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.)
- Expired - Fee Related
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- 239000004020 conductor Substances 0.000 claims abstract description 34
- 229920000728 polyester Polymers 0.000 claims abstract description 14
- 235000019271 petrolatum Nutrition 0.000 claims abstract description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 24
- 239000004700 high-density polyethylene Substances 0.000 claims description 24
- 239000000203 mixture Substances 0.000 claims description 17
- 239000005030 aluminium foil Substances 0.000 claims description 15
- 239000004743 Polypropylene Substances 0.000 claims description 14
- 238000004049 embossing Methods 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- -1 polypropylene Polymers 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 4
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 238000010248 power generation Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 7
- 230000008029 eradication Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- WLZRMCYVCSSEQC-UHFFFAOYSA-N cadmium(2+) Chemical compound [Cd+2] WLZRMCYVCSSEQC-UHFFFAOYSA-N 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 235000015110 jellies Nutrition 0.000 description 1
- 239000008274 jelly Substances 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Insulated Conductors (AREA)
- Ropes Or Cables (AREA)
Abstract
本实用新型公开了一种防水防腐电力电缆，包括由不少于一根绝缘线芯组成的电缆缆芯，围绕在所述电缆缆芯上的防水层，以及围绕于所述防水层上的外被层，绝缘线芯包括由导电材料制成的导体和挤包在所述导体外层的绝缘层，电缆缆芯与防水层之间绕包有聚酯包带，绝缘线芯之间以及与聚酯包带之间的缝隙内填充有阻水石油膏。本实用新型的防水防腐电力电缆不具有机械强度高、抗拉伸能力强、负重能力大、防水性能好、耐酸、碱、盐环境腐蚀等优良等性能。完全能适应近海流域、泥沼湿地等酸盐碱环境的发、配、输送等电力的传输系统需求。
The utility model discloses a waterproof and anti-corrosion power cable, which comprises a cable core composed of not less than one insulating wire core, a waterproof layer surrounding the cable core, and an outer shell surrounding the waterproof layer. The insulated wire core includes a conductor made of conductive material and an insulating layer extruded on the outer layer of the conductor, a polyester tape is wrapped between the cable core and the waterproof layer, and the insulated wire core and The gaps between the polyester straps are filled with water-blocking petroleum jelly. The waterproof and anti-corrosion power cable of the utility model has high mechanical strength, strong tensile resistance, large load-bearing capacity, good waterproof performance, acid, alkali, salt environment corrosion resistance and other excellent performances. It can fully adapt to the power transmission system requirements of power generation, distribution, and transmission in acid-alkaline environments such as offshore watersheds and swamp wetlands.
Description
Technical field
The utility model belongs to the cable technology field, is specifically related to the power cable that field, a kind of shallow sea or mire wetland are sent out, failed, distribution system is used.
Technical background
In recent years, along with the raising of living standards of the people, the development and use in the basin, flourishing and national many shallow seas of tourist industry make the shallow sea wetland come into gradually people's the visual field with waterproof power cable, and compel at the tip of the brow with water-proof cable in the exploitation shallow sea, very urgent.China is the abundant big countries of marine resources, Liaoning, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian, the coastal cities such as Guangdong have 3,000,000 square kilometres marine site and 1500 kilometers coastline, more than 6000 island are distributing, basin, shallow sea mire Wetland Area is wide, unavoidable and the water of cable laying, mud directly contacts, long period of soaking is in the higher or complicated acid-alkali salt environment of water content, in the urgent need to a kind of mire wetland that is fit to be laid in, between nearer field, shallow sea or island and island, continent, be used for the cable product of being transported to delivery of electrical energy of the electric power systems such as shallow sea energy development and utilization.
Summary of the invention
The purpose of this utility model provides a kind of waterproof anticorrosive power cable, sends out to be applicable to field, shallow sea or mire wetland, fails, distribution system uses.
Waterproof anticorrosive power cable of the present utility model comprises by being no less than the stranded cable conductor that forms of an eradication edge core, be centered around the watertight composition on the described cable conductor, and the serving on the described watertight composition, insulated wire cores comprises the conductor of being made by electric conducting material and is extruded in the outer field insulating barrier of described conductor, wherein between cable conductor and watertight composition, be surrounded with the polyester band, between the insulated wire cores and and the polyester band between the slit in be filled with the petroleum jelly that blocks water.Wherein, the conductor that consists of insulated wire cores is that height presses the coefficient twisted copper conductors, and insulating barrier is made by crosslinked polyethylene.
Further, the watertight composition of the utility model waterproof anticorrosive power cable comprises that embossing aluminium foil strip and high density polyethylene (HDPE) sheath are two-layer, and the embossing aluminium foil strip is vertical to be wrapped in outside the polyester band, and the high density polyethylene (HDPE) sheath is extruded on the embossing aluminium foil strip.
The utility model also between the watertight composition of waterproof anticorrosive power cable and serving around armour is arranged, described armour is wrapped in the watertight composition surface composition by rare earth-aluminium-zinc-coated wire.
It is two-layer that the outer jacket of the utility model waterproof anticorrosive power cable comprises that modified pitch and polypropylene fibre PP restrict, and modified pitch is coated on the armour, and polypropylene fibre PP restricts double-deck reverse-winding on modified pitch.
Waterproof anticorrosive power cable of the present utility model has good electrical insulation capability, waterproof, antiseptic property and tensile property, can better adapt to that basin, shallow sea wind-force is powerful, mire wetland tide bulge and fall mineral matter, complex environment that moisture is numerous.
Its beneficial effect is mainly reflected in following several respects.1. conductor adopts height to press the coefficient twisted copper conductors, the stranded rounding of conductor, presses closely knitly, can prevent effectively that hydrone from entering conductor inside, has not only prolonged the useful life of cable, has also guaranteed the fail safe that cable uses.
2. waterproof construction adopts embossing aluminium foil strip and high density polyethylene (HDPE) sheath composite construction, and high density polyethylene (HDPE) density is larger, can prevent effectively that the external water molecule from entering in cable core inside or the insulating barrier, has prevented formation and development that insulating barrier Nei Dianshu, water are set.The high density polyethylene (HDPE) material is harder, makes inner aluminium foil strip bending not be subjected to external influence as the armor of rigidity, when tide bulge and fall, can prevent aluminium foil strip fractures that impact causes to cable such as seawater sandstone, and then the protection cable core.The effect that while embossing aluminium foil strip not only has certain shield electromagnetic can also be played certain resistance to compression buffering effect.3. inserts adopts the petroleum jelly that blocks water, and is mainly used in the space of many conductor wire cable conductor is filled, and plays protection against the tide and insulating effect.Has higher melt temperature, suitable hardness, viscosity and good low-temperature flexibility; Thermal stability and water-resistance are excellent, and electrical insulation capability is strong, loss is little, and is good with the compatibility of oversheath in the cable, is the applied cable filling compound of a kind of good heating.4. outer jacket adopts modified pitch to add the polypropylene fibre PP rope of double-deck reverse-winding, can better adapt to a large amount of mineral matters that basin, shallow sea mire wetland contains, complex environment such as sodium ion, potassium ion, magnesium ion, calcium ion, cadmium ion and various microbes etc. has good Corrosion Protection.
Description of drawings
Fig. 1 is the structural representation of the utility model waterproof anticorrosive power cable.
Among the figure: 1-conductor, 2-insulating barrier, the 3-petroleum jelly that blocks water, 4-polyester band, 5-embossing aluminium foil strip, 6-high density polyethylene (HDPE) sheath, 7-armour, 8-serving.
Embodiment
Below pass through embodiment, and the utility model is described in further detail by reference to the accompanying drawings.
The structure of waterproof anticorrosive power cable as shown in Figure 1, include successively from inside to outside cable conductor, the petroleum jelly 3 that blocks water, polyester band 4, embossing aluminium foil strip 5, high density polyethylene (HDPE) sheath 6, armour 7 and serving 8, wherein cable conductor consists of by many eradications edge core is stranded, and every eradication edge core presses coefficient twisted copper conductors 1 by height and is extruded in conductor 1 outer field material is that the insulating barrier 2 of crosslinked polyethylene consists of.Polyester band 4 is wrapped in the outside of cable conductor, simultaneously between insulated wire cores and and polyester band 4 between the slit in be filled with the petroleum jelly 3 that blocks water.Watertight composition is comprised of embossing aluminium foil strip 5 and high density polyethylene (HDPE) sheath 6, is centered around on the polyester band 4, wherein, and embossing aluminium foil strip 5 vertical wrapping in outside the polyester band 4, high density polyethylene (HDPE) sheath 6 is extruded on the embossing aluminium foil strip 5.Armour 7 is wrapped in the watertight composition surface composition by rare earth-aluminium-zinc-coated wire.It is two-layer that outer jacket 8 comprises that modified pitch and polypropylene fibre PP restrict, and modified pitch is coated on the armour 7, and polypropylene fibre PP restricts double-deck reverse-winding on modified pitch.
The technical performance index of present embodiment waterproof anticorrosive power cable:
Operating voltage: 0.6/1kV;
System frequency: 50Hz;
Cable allows working temperature for a long time: 90 ℃;
Press twisted copper conductors D.C. resistance maximum and in the time of 20 ℃, meet the 2nd class twisted copper conductors regulation among the GB/T 3956-2008, and press coefficient＞0.92;
Test voltage: 3.5kV/5min, cable insulate at the test voltage that continues with in the time and do not puncture (this patent is not recommended other electric pressures);
System of laying: direct-burried, groove, crane span structure; Lay environment: mire wetland, basin, shallow sea;
Insulation tensile strength 〉=12.5N/mm2, insulation can be passed through 135 ℃ * 168h high-temperature circulation test, and the tensile strength rate of change after it wears out and the rate of change of elongation at break be not more than ± and 25%;
Insulation and sheath water absorption: 85 ± 2 ℃ of temperature, duration 336h, the weight maximal increment of insulation is 1mg/cm2;
The jacket shrinkage test: 80 ± 2 ℃ of test temperatures, temperature continue 25h, and the maximum of high density polyethylene (HDPE) sheath allows to be punctured into 3%;
Insulation and cryogenic tensile, the low-temperature impact test of sheath: test temperature-15 ℃, insulation and jacket surface flawless phenomenon after the test;
The test of bearing a heavy burden: whole cable amasss * the 15N test of bearing a heavy burden by cross-sectional area of conductor, and the insulation of cable and jacket surface are without cracking.
Claims (6)
1. waterproof anticorrosive power cable, comprise by being no less than one and thoroughly do away with the stranded cable conductor that forms of edge core, be centered around the watertight composition on the described cable conductor, and the serving on the described watertight composition, wherein said insulated wire cores comprises the conductor of being made by electric conducting material and is extruded in the outer field insulating barrier of described conductor, it is characterized in that between described cable conductor and watertight composition, being surrounded with the polyester band, between described insulated wire cores and and the polyester band between the slit in be filled with the petroleum jelly that blocks water.
2. waterproof anticorrosive power cable according to claim 1 is characterized in that described conductor is that height presses the coefficient twisted copper conductors.
3. waterproof anticorrosive power cable according to claim 1, it is characterized in that described watertight composition comprises embossing aluminium foil strip and high density polyethylene (HDPE) sheath, described embossing aluminium foil strip is vertical to be wrapped in outside the described polyester band, and the high density polyethylene (HDPE) sheath is extruded on the embossing aluminium foil strip.
4. waterproof anticorrosive power cable according to claim 1 is characterized in that between described watertight composition and serving around armour is arranged.
5. waterproof anticorrosive power cable according to claim 4 is characterized in that described armour is wrapped in the watertight composition surface composition by rare earth-aluminium-zinc-coated wire.
6. waterproof anticorrosive power cable according to claim 4, it is characterized in that described serving comprises that modified pitch and polypropylene fibre PP restrict two-layer, described modified pitch is coated on the described armour, and described polypropylene fibre PP restricts double-deck reverse-winding on modified pitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465677.9U CN202796225U (en) | 2012-09-13 | 2012-09-13 | Waterproof anticorrosion power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220465677.9U CN202796225U (en) | 2012-09-13 | 2012-09-13 | Waterproof anticorrosion power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202796225U true CN202796225U (en) | 2013-03-13 |
Family
ID=47823438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220465677.9U Expired - Fee Related CN202796225U (en) | 2012-09-13 | 2012-09-13 | Waterproof anticorrosion power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202796225U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299709A (en) * | 2014-09-30 | 2015-01-21 | 成都英博联宇科技有限公司 | Tensile computer shielding cable |
| CN104299704A (en) * | 2014-09-30 | 2015-01-21 | 成都英博联宇科技有限公司 | Tensile, fire-resistant and water-resistant computer cable |
| CN104318997A (en) * | 2014-11-07 | 2015-01-28 | 成都冠禹科技有限公司 | Low-smoke zero-halogen damp-proof fire-resistant tensile-resistant industrial cable |
| CN104779012A (en) * | 2015-04-09 | 2015-07-15 | 成都赋阳技术开发有限公司 | High-toughness power cable |
| CN109473196A (en) * | 2018-11-29 | 2019-03-15 | 人民电缆集团有限公司 | A kind of reinforced waterproof photovoltaic apparatus connecting line |
| CN110491603A (en) * | 2019-09-09 | 2019-11-22 | 江苏亨通电力电缆有限公司 | A kind of production technology of insect-pest waterproof power cable |
-
2012
- 2012-09-13 CN CN201220465677.9U patent/CN202796225U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104299709A (en) * | 2014-09-30 | 2015-01-21 | 成都英博联宇科技有限公司 | Tensile computer shielding cable |
| CN104299704A (en) * | 2014-09-30 | 2015-01-21 | 成都英博联宇科技有限公司 | Tensile, fire-resistant and water-resistant computer cable |
| CN104318997A (en) * | 2014-11-07 | 2015-01-28 | 成都冠禹科技有限公司 | Low-smoke zero-halogen damp-proof fire-resistant tensile-resistant industrial cable |
| CN104779012A (en) * | 2015-04-09 | 2015-07-15 | 成都赋阳技术开发有限公司 | High-toughness power cable |
| CN109473196A (en) * | 2018-11-29 | 2019-03-15 | 人民电缆集团有限公司 | A kind of reinforced waterproof photovoltaic apparatus connecting line |
| CN110491603A (en) * | 2019-09-09 | 2019-11-22 | 江苏亨通电力电缆有限公司 | A kind of production technology of insect-pest waterproof power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150913 |
|
| EXPY | Termination of patent right or utility model |