CN201527839U - Environment-friendly metal shielding power cable - Google Patents
Environment-friendly metal shielding power cable Download PDFInfo
- Publication number
- CN201527839U CN201527839U CN2009202118125U CN200920211812U CN201527839U CN 201527839 U CN201527839 U CN 201527839U CN 2009202118125 U CN2009202118125 U CN 2009202118125U CN 200920211812 U CN200920211812 U CN 200920211812U CN 201527839 U CN201527839 U CN 201527839U
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- cable
- environment
- metal shielding
- power cable
- friendly metal
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- Expired - Fee Related
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Abstract
The utility model relates to an environment-friendly metal shielding power cable, which comprises a cable inner core and a cable outer layer coated outside the cable inner core. The inner portion of the cable inner cover is sequentially provided with conducting wire cores and insulation layers from inside to outside, and further, the inner portion of the cable outer layer is sequentially provided with a flame-retardant coating belt, an inner sheath, a metal shielding layer and an outer sheath from inside to outside. The environment-friendly metal shielding power cable has characteristics of having strong electromagnetic interference resistance, lightning resistance and uniform electric fields and improving power supply quality, is adaptable to power circuits with rated voltage not higher than 0.6/1kV, and is particularly adaptable to occasions with precise electronic devices, such as computer centers, aerospace monitoring centers, intelligent buildings and the like.
Description
Technical field
The utility model relates to a kind of cable, particularly a kind of environment-friendly metal shielding power cable.
Background technology
In the various architectural engineerings at home, the electric wire that is used for fixing wiring is used very extensive.Electric wire both can be applicable to the important engineering that there is environmental requirement in top-grade building, dwelling house, office building, large halls and guest houses, subway, tunnel etc., again can with environmental protection electronic equipment, the supporting use of household electrical appliance, relate to huge numbers of families.This class electric wire at present mainly is to be the BLV of representative with IEC in the world, it is the portioned product that is comprised among standard GB 5023-2008 and the mechanical industry standard JB8734-1998, the insulating barrier of cable mostly adopts the insulating material of Halogen, one meets naked light will propagating combustion, and produce a large amount of smog and the very strong hydrogen halide of corrosivity, form " secondary disaster ", in case breaking out of fire in the building, both entail dangers to life also can serious environment pollution.
The utility model content
The purpose of this utility model is that a kind of environment-friendly metal shielding power cable will be provided, and efficiently solves the electric wire easy firing, the burning that exist in the prior art and can produce problems such as toxic gas contaminated environment, oil resistance difference.
The utility model relates to a kind of environment-friendly metal shielding power cable, comprise the cable inner core and wrap in the outer cable outer layer of cable inner core, described cable inner core inside is followed successively by conductor wire core and insulating barrier from inside to outside, and described cable outer layer inside is followed successively by fire-retardant band, inner sheath, metal screen layer and oversheath from inside to outside.The number of the cable inner core in the described cable outer layer is one or more.The material of described conductor wire core is a high purity oxygen free copper.Described conductor wire core is the many soft single lines of round copper that twist together.The soft single line of described round copper is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.The material of described insulating barrier is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.Described fire-retardant band is the fire-retardant band of tack.The material of described inner sheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.
Described metal screen layer is one deck soft copper silk and wraps in the copper wire copper strips combination screen that the outer copper strips of soft copper silk is formed.Described soft copper silk is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.The material of described oversheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.
Insulating barrier of the present utility model, inner sheath and oversheath are made by the thermoplastic low-smoke halide-free CABLE MATERIALS, cable does not just discharge pernicious gas and smog when burning, the amount of being fuming is few, the light transmittance height, prolong product useful life, safe, environment friendly and pollution-free, can be suitable for various specific occasions and lay.This product does not contain any halogenic ingredient, does not contain environmentally hazardous substance, meets the ROHS of European Union standard.Shielding construction of the present utility model can anti-electromagnetic induction, and ground connection is good, reduces puncture or damage that inductance avoids powerful thunder and lightning galvanomagnetic effect voltage to be caused, prevents that induced electromotive force is excessive.The utlity model has stronger anti-electromagnetic interference, anti-thunderbolt and uniform electric field, improve the characteristic of power supply quality, be applicable to rated voltage 0.6/1kV and following power circuit, particularly suitable has the place of precision electronic device, as computer center, Aero-Space Surveillance center, intelligent building etc.
Description of drawings
Accompanying drawing 1 is the cross-sectional view when the utlity model has four cable inner cores.
Below in conjunction with accompanying drawing the utility model is described.
Embodiment
Comprise the cable inner core among the figure and wrap in the outer cable outer layer of cable inner core, described cable inner core inside is followed successively by conductor wire core 1 and insulating barrier 2 from inside to outside, and described cable outer layer inside is followed successively by fire-retardant band 3, inner sheath 4, metal screen layer 5 and oversheath 6 from inside to outside.
The number of the cable inner core in the described cable outer layer is one or more, and three, four, five situations that twist together are more.The material of described conductor wire core is a high purity oxygen free copper.Described conductor wire core is the many soft single lines of round copper that twist together.The soft single line of described round copper is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.The cross section of a plurality of cable inner cores of the present utility model is circular or fan-shaped, its area of section can be identical also can be different, the fixed in shape after the cable inner core is stranded, its cross-sectional area is about 4 ~ 300mm
2, the physical strength of conductor wire core is bigger, is difficult for deformation takes place, and cable is flexible.
The material of described insulating barrier is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.The material of described inner sheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.The material of described oversheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.By crosslinked special processing, change polyethylene line style molecular structure into upright network molecular structure, improved the electric property of product greatly, physical property, mechanical performance and other properties.The low-smoke halogen-free polyolefin material of crosslinkable type is not only high temperature resistant and have the advantages that to be not easy to spread and can not produce hydrogen halide, and cable just can not discharge harmful smog, unlikely causing " secondary disaster " when burning like this.Because used the low-smoke halogen-free polyolefin material of crosslinkable type, the thickness of inner sheath is attenuate suitably, makes the finished product external diameter reduce, weight saving has improved the mechanical strength on electric wire top layer, thereby has improved the poling capacity and reduced freight, be easy to construction, simple installation.
Described fire-retardant band is the fire-retardant band of tack, has good tack, fire protection flame retarding, and processing technology is simple, and is respond well.Fire-retardant band can be selected low-smoke non-halogen flame-retardant glass strap for use, this fire-retardant band is not contain any halogen and be furnished with mixed solutions such as highly effective inorganic flame-proof agent, interpolation metal hydrate in dip-coating on the glass fibre, is made through advanced technologies flow processs such as impregnation hot curings.Fire-retardant band is water-fast, sour, alkali, salt performance are good, nontoxic, tasteless, pollution-free.When fire took place, fire-retardant band can form the shell isolated air of carbon rapidly, hindered the supply of oxygen and flowing of fuel gas, resisted cable and further burnt, and the smog that is discharged during burning is few, reduced the so harmful degree of fire greatly.
Described metal screen layer is one deck soft copper silk and wraps in the copper wire copper strips combination screen that the outer copper strips of soft copper silk is formed.Described soft copper silk is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.Metal screen layer adopts copper wire copper strips combination shielding construction, closely twines one deck soft copper silk earlier on inner sheath, at its reverse wrapped one deck copper strips in surface copper wire and inner sheath etc. is tightened then.Copper wire copper strips set of shield layer can play and suppress the externally effect of emission of electromagnetic wave, can be used as the passage of short circuit current again, can play the protective effect of neutral core.The utility model can anti-electromagnetic induction, and ground connection is good, reduces inductance, avoids the galvanomagnetic effect voltage of powerful thunder and lightning to cause the puncture or the damage of cable, prevents that induced electromotive force is excessive.
Claims (11)
1. environment-friendly metal shields power cable, comprise the cable inner core and wrap in the outer cable outer layer of cable inner core, it is characterized in that: described cable inner core inside is followed successively by conductor wire core and insulating barrier from inside to outside, and described cable outer layer inside is followed successively by fire-retardant band, inner sheath, metal screen layer and oversheath from inside to outside.
2. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: the number of the cable inner core in the described cable outer layer is one or more.
3. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: the material of described conductor wire core is a high purity oxygen free copper.
4. as any described environment-friendly metal shielding power cable among the claim 1-3, it is characterized in that: described conductor wire core is the many soft single lines of round copper that twist together.
5. environment-friendly metal shielding power cable as claimed in claim 4, it is characterized in that: the soft single line of described round copper is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.
6. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: the material of described insulating barrier is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.
7. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: described fire-retardant band is the fire-retardant band of tack.
8. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: the material of described inner sheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.
9. environment-friendly metal shielding power cable as claimed in claim 1 is characterized in that: described metal screen layer is one deck soft copper silk and wraps in the copper wire copper strips combination screen that the outer copper strips of soft copper silk is formed.
10. environment-friendly metal shielding power cable as claimed in claim 9, it is characterized in that: described soft copper silk is that naked round annealed copper wire or overlay coating are the single round copper wire of tin.
11. environment-friendly metal shielding power cable as claimed in claim 1, it is characterized in that: the material of described oversheath is the crosslinking type low-smoke halogen-free flame-retardant polyethylene insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202118125U CN201527839U (en) | 2009-11-03 | 2009-11-03 | Environment-friendly metal shielding power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202118125U CN201527839U (en) | 2009-11-03 | 2009-11-03 | Environment-friendly metal shielding power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527839U true CN201527839U (en) | 2010-07-14 |
Family
ID=42519122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202118125U Expired - Fee Related CN201527839U (en) | 2009-11-03 | 2009-11-03 | Environment-friendly metal shielding power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201527839U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956299A (en) * | 2011-08-24 | 2013-03-06 | 江苏赛德电气有限公司 | Torsion-resistant flexible cable for wind power generation with rated voltage of 3kV and below |
| CN103325476A (en) * | 2013-06-27 | 2013-09-25 | 山东华凌电缆有限公司 | Power cable for ships with nominal voltage being 0.6/1kV or below |
| CN104200912A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德集团股份有限公司 | Elastic extrusion-resistant power cable for aviation |
| CN109149441A (en) * | 2018-08-13 | 2019-01-04 | 中国电力科学研究院有限公司 | A kind of surface treatment method and device for reducing conducting wire scattered field |
-
2009
- 2009-11-03 CN CN2009202118125U patent/CN201527839U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956299A (en) * | 2011-08-24 | 2013-03-06 | 江苏赛德电气有限公司 | Torsion-resistant flexible cable for wind power generation with rated voltage of 3kV and below |
| CN103325476A (en) * | 2013-06-27 | 2013-09-25 | 山东华凌电缆有限公司 | Power cable for ships with nominal voltage being 0.6/1kV or below |
| CN104200912A (en) * | 2014-08-26 | 2014-12-10 | 安徽蓝德集团股份有限公司 | Elastic extrusion-resistant power cable for aviation |
| CN109149441A (en) * | 2018-08-13 | 2019-01-04 | 中国电力科学研究院有限公司 | A kind of surface treatment method and device for reducing conducting wire scattered field |
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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: 20100714 Termination date: 20171103 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |