CN201345246Y - Environment-friendly nanocomposite superpolymer power cable - Google Patents
Environment-friendly nanocomposite superpolymer power cable Download PDFInfo
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- CN201345246Y CN201345246Y CNU2009201427761U CN200920142776U CN201345246Y CN 201345246 Y CN201345246 Y CN 201345246Y CN U2009201427761 U CNU2009201427761 U CN U2009201427761U CN 200920142776 U CN200920142776 U CN 200920142776U CN 201345246 Y CN201345246 Y CN 201345246Y
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Abstract
The utility model discloses an environment-friendly nanocomposite superpolymer power cable, wherein a plurality of insulating line cores are intertwisted to form a cable core; a filling layer is arranged in the clearance of the cable core; each of the insulating line cores is formed by a conductor, a mica winding fire-resisting layer and an insulating layer from inside to outside; the power cable is characterized in that the insulating layer is made of nanocomposite, i.e. polyethylene montmorillonite; and the cable core and the filling layer are coated with a water-blocking polyester strip, a halogen-free glass fiber strip, a mica strip fire-resisting layer, an oxygen-isolating waterproof layer, a stainless steel strip armor layer and a sheathing layer sequentially. The cable provided by the utility model has high environmental performance, produces less smoke and no harmful haloid matter when in combustion, has extremely high mechanical strength, and has excellent fermite-proof and mouse-proof performance, fire resistance, radial and axial water-blocking performance, etc.
Description
Technical field:
The utility model relates to a kind of power cable, is specifically related to a kind of environment friendly nano composite high polymer electric cable.
Background technology:
The cable of Xiao Shouing has low smoke and zero halogen power cable, anti-ant or protection against rodents power cable, waterproof power cable, flame-proof power cable, fireproof power cable, flame-retardant power cable etc. in the market, the security performance dullness that these cables are main, can not adapt to has two and above security performance needs; The light rail subway, nuclear industry, airport, the station, offshore platform, hospital, the public arena that personnel such as office building relatively concentrate and the important area of industrial and mining enterprises require cable to have high environmental-protecting performance and high-intensity performance, these zones also are the places that termite or mouse wreak havoc simultaneously, require cable that anti-ant mouse performance is arranged, the place that personnel concentrate also requires when breaking out of fire cable can guarantee operation a period of time, the personnel of assurance have enough time escapes, more or less there are water or steam to exist in the cable passage in above-mentioned place, require cable that good block-water performance and high-intensity performance are arranged, the cable with single security performance that is applied to above-mentioned place thus can not guarantee safe operation.
The utility model content:
For overcoming the defective of prior art, the purpose of this utility model be to provide a kind of produce less smog when possessing high environmental-protecting performance, burning and do not produce harmful hydracid material, have good anti-ant mouse performance, fire resistance, footpath axially block-water performance and the high cable of mechanical strength.
The utility model technical solution problem adopts following technical scheme:
Environment friendly nano composite high polymer electric cable, the stranded formation cable cores of edge core that thoroughly do away with more, be provided with packed layer in the cable core gap, described insulated wire cores from-inner-to-outer is made of conductor, the wrapped flame retardant coating of mica and insulating barrier, described insulating barrier adopts the polyethylene Nano composite material of montmorillonite to make, and is coated with the polyester belt that blocks water, halogen-free glass fiber band, mica tape flame retardant coating, oxygen barrier watertight composition, stainless steel band armour and restrictive coating outside described cable core and packed layer successively.
Described packed layer is the polyester yarn packed layer that blocks water.
Described restrictive coating is a low-smoke and halogen-free flame retardant polyolefin jacket.
Compared with the prior art, the beneficial effects of the utility model are embodied in:
Conductor adopts the tin-coated copper core conductor of the 5th class, can prevent the corrosion of moisture content and other harmful substance; Insulating material adopts polyethylene montmorillonite-based nano polyblend to make, this material not only has the superior electrical property of polyethylene, and compare with common polythene, its mechanical performance is improved greatly, especially tensile strength is several times of common polythene, the environmental stress resistance performance of this material also improves a lot in addition, common polythene material environmental stress resistance performance is poor, the insulation cracking phenomena in use appears easily, but the environmental stress resistance performance of this new material obtains very big improvement, avoided cable the phenomenon that insulate and ftracture, the useful life of having improved cable greatly in use to occur; Packed layer and its outer block water polyester yarn and polyester belt of adopting, water absorption capacity surpasses 50ml/g, prevents that effectively moisture from immersing; The oxygen barrier watertight composition adopts the low-smoke halogen-free polyolefin of high oxygen index, and this material oxygen barrier index reaches 40%, and has humidity resistance; Armour adopts the stainless steel wire steel-tape armouring, this material has high corrosion resistance and compares its corrosion resistance with common stainless steel band or plating lacquer steel band and improve greatly, the mechanical resistance pulling force and the compressive resistance of steel band are also higher, can bear the mechanical force that comes from the outside in the cable use, this material also is a nonmagnetic substance in addition, the magnetic hysteresis loss of having avoided cable in use to produce has improved the bearing capacity of cable; Restrictive coating adopts the anti-ant mouse polyolefine material of environmental-friendly halogen-free low-smoke; this material adopts the termite-resistant rodent-resistant repellant that extracts from multiple natural plants; after repeatedly compound, add in the cable sheath material; make cable jacket contain a kind of specific peculiar smell; because of being upset, its sense of smell detests and rejects contact behind the mouse ant class animal contact cable; also can send impalpable information and produce population effect simultaneously, thereby reach the purpose that the protection cable is not destroyed by the mouse ant to colony.Smoke density was very low when the utility model product had burning, non-corrosiveness gas is overflowed, do not produce harmful hydracid material yet, termite-proof and mouse bites, possesses axially waterproof of footpath simultaneously, high flame retardant and fire-resistant, advantages such as insulation mechanical strength height and environmental stress resistance performance are strong, and multiple performance such as the little bearing capacity of cable loss is strong, can be widely used in nuclear power station, the subway station, telephone exchange and computer controlling center, the skyscraper building, the hotel, TV and Radio Service, hospital, office building, important military installations, oil platform etc., and the concentrated place of personnel, also be extensive use of in China temperate zone and subtropical zone many mouse ant area.In a word, this utility model product be a kind of with environmental protection, block water, anti-ant mouse, fire-retardant, fire-resistant, new product that security performance is integrated in one such as mechanical strength is high, bearing capacity is strong, vast market prospect is arranged.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Number in the figure: 1 conductor, the wrapped flame retardant coating of 2 micas, 3 insulating barriers, 4 packed layers, 5 polyester belts that block water, 6 halogen-free glass fiber bands, 7 mica tape flame retardant coatings, 8 oxygen barrier watertight compositions, 9 stainless steel band armours, 10 restrictive coatings.
Below pass through embodiment, and the utility model is described in further detail in conjunction with the accompanying drawings.
Embodiment,
Non-limiting examples is as described below:
Embodiment: shown in Figure 1, the described environment friendly nano composite high polymer electric cable of present embodiment, conductor 1 adopts the soft tinned copper wire of multiply of the 5th class formation to be twisted into conductor wire core, conductor production is through following step: wire drawing-annealing is zinc-plated-and synnema-(the multiple strand), conductor adopts the form of bundle strand, and the cross section is at 6mm
2Following conductor adopts the synnema form, and the cross section is at 6mm
2And above conductor, because the cross section is big, conductor monofilament radical is too many, also will carry out multiple strand, wherein 1mm behind synnema
2With monofilament maximum gauge in the lower conductor is 0.21mm, 1.5-2.5mm
2The monofilament maximum gauge is 0.26mm in the conductor, 4-6mm
2The monofilament maximum gauge is 0.31mm in the conductor, 10-50mm
2The monofilament maximum gauge is 0.41mm in the conductor, 70mm
2Reaching with monofilament maximum gauge in the upper conductor is 0.51mm.The wrapped flame retardant coating 2 of the wrapped formation mica of mica tape, at first at the overlapping wrapped two-layer mica tape of conductive surface, all adopt overlapping wrapped, the rate of putting up is controlled between 20～30%, insulating barrier 3 adopts polyethylene montmorillonite-based nano polyblend Insulation Material, its production process is produced on the SJ65 plastic extruding machine and is finished, adopt tubular molding tool to extrude, its extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 180 ± 10 ℃, and head temperature is controlled at 200 ± 5 ℃, and die temperature is controlled at 190 ± 5 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differ 5～10 ℃ in winter and summer.Water preventing ability, anti-flammability and the roundness of packed layer 4 and block water polyester belt 5 and halogen-free glass fiber band 6 assurance cables, halogen-free glass fiber band 6 outer wrapped mica tape flame retardant coatings 7.The mode that oxygen barrier watertight composition 8 adopts the high flame resistance, low smoke halogen-free polyolefin to extrude is produced, and its extrusion way is for squeezing tubular type.Stainless steel band armour 9 adopts the wrapped mode of clad steel band gap, realizes this process by tape armouring machine, and the steel band gap should be not more than 50% of bandwidth.Restrictive coating 10 adopts the flame-retardant polyolefin sheathed layer of low smoke and zero halogen protection against rodents ant, also adopt tubular molding tool to extrude, extrusion temperature is according to the difference of warm area and different, body temperature is controlled at 115 ± 10 ℃, head temperature is controlled at 140 ± 10 ℃, die temperature is controlled at 130 ± 5 ℃, can carry out suitable adjustment according to extrusion equipment and material different, differs 5～10 ℃ in winter and summer.Production equipment can adopt different sheath extruders to produce according to the size of the outside diameter of cable: the use SJ90 extruder of external diameter below 35mm, the use SJ120 extruder of external diameter more than 35mm.
Claims (3)
1, environment friendly nano composite high polymer electric cable, the stranded formation cable cores of edge core that thoroughly do away with more, be provided with packed layer (4) in the cable core gap, described insulated wire cores from-inner-to-outer is made of conductor (1), the wrapped flame retardant coating of mica (2) and insulating barrier (3), it is characterized in that, described insulating barrier adopts the polyethylene Nano composite material of montmorillonite to make, and is coated with the polyester belt that blocks water (5), halogen-free glass fiber band (6), mica tape flame retardant coating (7), oxygen barrier watertight composition (8), stainless steel band armour (9) and restrictive coating (10) outside described cable core and packed layer successively.
2, environment friendly nano composite high polymer electric cable according to claim 1 is characterized in that, described packed layer (4) is the polyester yarn packed layer that blocks water.
3, environment friendly nano composite high polymer electric cable according to claim 1 is characterized in that, described restrictive coating (10) is a low-smoke and halogen-free flame retardant polyolefin jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427761U CN201345246Y (en) | 2009-01-20 | 2009-01-20 | Environment-friendly nanocomposite superpolymer power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201427761U CN201345246Y (en) | 2009-01-20 | 2009-01-20 | Environment-friendly nanocomposite superpolymer power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345246Y true CN201345246Y (en) | 2009-11-11 |
Family
ID=41276831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009201427761U Expired - Lifetime CN201345246Y (en) | 2009-01-20 | 2009-01-20 | Environment-friendly nanocomposite superpolymer power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345246Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184761A (en) * | 2010-05-28 | 2011-09-14 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
-
2009
- 2009-01-20 CN CNU2009201427761U patent/CN201345246Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184761A (en) * | 2010-05-28 | 2011-09-14 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
| CN102184761B (en) * | 2010-05-28 | 2014-07-09 | 湖南金杯电缆有限公司 | Mouse-proof, termite-proof, high-antiflaming, fireproof and environment-friendly concentric conductor cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091111 Effective date of abandoning: 20090120 |