CN203338836U - Constructional high-performance aluminium alloy cable - Google Patents
Constructional high-performance aluminium alloy cable Download PDFInfo
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- CN203338836U CN203338836U CN2013203775578U CN201320377557U CN203338836U CN 203338836 U CN203338836 U CN 203338836U CN 2013203775578 U CN2013203775578 U CN 2013203775578U CN 201320377557 U CN201320377557 U CN 201320377557U CN 203338836 U CN203338836 U CN 203338836U
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Abstract
The utility model discloses a constructional high-performance aluminium alloy cable. The aluminium alloy cable solves the problems of large copper consumption, poor bending property and short service life of the conventional constructional electric cable, and has the advantages of light weight, corrosion resistance, small bending radius, halogen-free flame retardation, superior electrical properties and long service life. The aluminium alloy cable comprises a cable core, and is formed in a manner that the cable core is composed of a plurality of aluminium alloy wire core conductors arranged in a filling body, and each core wire conductor is coated with double insulating layers; the plurality of wire core conductors are symmetrically arranged and stranded; and the filling body is sequentially coated with a cable taping layer, a cable armor layer and a cable sheath layer from internal to external.
Description
Technical field
The utility model relates to a kind of aluminium alloy cable, relates in particular to the high-performance aluminium alloy cable for building that a kind of design service life reaches 70 years.
Background technology
The normally used cable of building mostly is copper, aluminium conductor at present, under the environment day by day consumed at copper ore resource, line cable industry is expected to develop a kind of conductor always, can continue to carry out with aluminium for copper, the numerous deficiencies that exist as cable conductor for fine aluminium, the developed countries such as Australia and Canada have developed aluminium alloy conductor.The general design safety of cable for building useful life is 30 years, can't the match average life span standard of 70 years, within every 30 years, change one time under normal circumstances the electric wire in building, and each replacing relates to huge numbers of families and cost is too large, also to the resident, very large trouble and financial burden have been brought, due to cable laying, in building, once break down, change also comparatively loaded down with trivial details.If the burning of the accidents such as breaking out of fire can discharge toxic gas and smoke density is large, serious threat resident's life security.
Chinese patent CN202142335U discloses a kind of aluminium alloy service-entrance power cable for building.It comprises the cable core that at least two cores form, and cable core is provided with oxygen barrier layer outward, oxygen barrier layer peripheral hardware interlocking armour, the lock armo layer is provided with the low smoke and zero halogen restrictive coating outward, between oxygen barrier layer and core, is provided with filling, and core comprises the insulating barrier outside conductor and conductor, wherein, conductor is aluminium alloy conductor.Although this kind of aluminium alloy service-entrance power cable for building adopted aluminium alloy as conductor material, but this body structure is not broken through conventional electric power cable form yet, the insulation of employing individual layer, performance is single, and now Building Design useful life for being not less than 70 years, the design service life of this kind of cable is not broken through yet, still can't the match design service life, therefore still need to change cable two to three times in the building length of life, replacement cost is huge during this time, engineering is loaded down with trivial details, causes very large drain on manpower and material resources.
Chinese patent CN202473352U discloses a kind of aluminium alloy cable for building, it comprises sheath and is positioned at the fire-retardant band of sheath nexine, the nexine of described fire-retardant band comprises extrusion type pottery filler and core, described core consists of conductor and insulating barrier, described conductor is aluminum alloy material, and described insulating barrier is that irradiation crosslinking halogen-free fire retardant polyolefin material forms.The radical of described core is four.This kind of aluminium alloy for building adopted aluminium alloy as conductor material, but this body structure is not broken through conventional electric power cable form yet, employing individual layer insulation, performance is single, and now Building Design useful life for being not less than 70 years, the design service life of this kind of cable is not broken through yet, still can't the match design service life, therefore in the building length of life, still need to change cable two to three times, during replacement cost huge, engineering is loaded down with trivial details, causes very large drain on manpower and material resources.
The utility model content
The purpose of this utility model, exactly for overcoming above-mentioned the deficiencies in the prior art, provides a kind of high-performance aluminium alloy cable for building, and this cable tool is lightweight, corrosion-resistant, and bending radius is little, and low smoke, zero halogen is fire-retardant, superior electrical property, the characteristics such as long service life.
For achieving the above object, the utility model adopts following proposal:
A kind of high-performance aluminium alloy cable for building, it comprises cable core, and cable core adopts some core conductors of aluminium alloy to form by being arranged in obturator, and every core conductor outer wall is equipped with conductor double hyer insulation layer; Stranded the forming of described some core conductor symmetric arrays; Described obturator outer wall wraps up tape for cables layer, cable sheath and the coat layer of power cable from inside to outside successively.
The characteristics such as described core conductor is aluminium alloy conductor, cable is had lightweight, corrosion-resistant, and ductility is good.
Described tape for cables layer is fire-retardant gluing type glass strap, makes fire resistance more reliable.
Described cable sheath is lock armo, and armour is aluminum alloy strip.
Described the coat layer of power cable is low-smoke non-halogen flame-retardant cross-linking radiation polyolefin jacket layer.
Described conductor double hyer insulation layer comprises inner insulating layer and external insulation layer; Wherein, inner insulating layer is the IXPE insulating barrier, and external insulation layer is low-smoke non-halogen flame-retardant irradiation crosslinked polyolefin insulating layer, and conductor adopts double hyer insulation co-extrusion process technology outward, and inside and outside thickness of insulating layer is than being 1:1.
By high-performance aluminium alloy cable for building being carried out to the thermal life assessment of material, extrapolate the thermal life of cable critical material at the long-term work temperature.Adopt the Arrhenius model, tested according to the method for GB/T11026.1-2003 regulation, push away the material thermal life that draws set point of temperature, and can draw according to the Arrhenius formula to calculating activation energy of material.According to the activation energy of material, cable qualified life and the cable long-term work temperature of expection, select corresponding accelerating thermal aging test temperature just can calculate the duration of accelerating heat ageing.As calculated, the utility model can reach 70 years useful life.
High-performance aluminium alloy cable for building adopts aluminium alloy as conductor material, by pressing stranded technique, maximum is pressed coefficient can reach 0.93, effectively reduce conductor diameter, the aluminium alloy conductor after annealing in process have high extend, the characteristics such as flexible, low bounce-back, corrosion-resistant, creep resistant, stable connection.Conductor adopts double hyer insulation co-extrusion process technology outward, the ectonexine insulation thickness is carried out structural design by 1:1, reasonably thickness proportion makes the double hyer insulation gapless bonding, has avoided dust, gas etc. between the ectonexine insulation to affect the generation of electric property factor, makes cable performance more stable; Primary insulation employing good electrical property, the IXPE Insulation Material that temperature resistant grade is high, guaranteed electrical property and weatherability in high-performance aluminium alloy cable transmission process for building, and outer layer insulation adopts low-smoke non-halogen flame-retardant irradiation crosslinked polyolefin insulating material; Adopt the aluminum alloy strip lock armo, guarantee that cable has stronger resistance to compression, shock resistance, lightweight, good bending property, be easy to install, and can exempt from the crane span structure expense, and mechanical strength is high, but direct-burried is exempted from corrosive pipeline, can be used for inflammable, the explosive characteristics such as hazardous area; Sheath material adopts low-smoke non-halogen flame-retardant cross-linking radiation polyolefine material, makes high-performance aluminium alloy cable for building have flame-retarding characteristic.
The utility model is the high-performance aluminium alloy cable that is applied to building, every core conductor adopts aluminium alloy conductor, alleviated cable weight, improved the elongation of cable, make cable there is stronger pliability, the primary insulation of every core conductor outer wall adopts good electrical property, the IXPE Insulation Material that temperature resistant grade is high, electrical property and the weatherability of product have been guaranteed, outer layer insulation adopts low-smoke non-halogen flame-retardant irradiation crosslinked polyolefin insulating material, the double-layer coextrusion processing technology makes the double hyer insulation gapless bonding by accelerator irradiation after extruding, avoid between ectonexine producing dust, the medium that affects properties of product of gas, make properties of product more stable, ageing resistance is more reliable and more stable.Oversheath adopts low-smoke non-halogen flame-retardant cross-linking radiation polyolefine material, make this product have fire-retardant characteristic, even in the situation that burning can not discharge toxic gas yet, and the smoke density discharged is very little, be easy to find extra exit, giving escape and grabbing property provides convenience and time.
Tape for cables is fire-retardant gluing type glass strap, makes fire resistance more reliable.
Cable sheath adopts the chain armouring of aluminum alloy strip, guarantees that cable has stronger resistance to compression, shock resistance, lightweight, good bending property, be easy to install, and can exempt from the crane span structure expense, mechanical strength is high, but direct-burried is exempted from corrosive pipeline, can be used for inflammable, explosive hazardous area.
The beneficial effects of the utility model are: the saving copper resource, and lightweight, halogen-free flameproof, superior electrical property, long service life.The cable material therefor is all low-smoke non-halogen flame-retardant ep-type materials, in fire-retardant, guaranteed cable the feature of environmental protection, improved cable useful life.Insulation adopts double-layer coextrusion technology and irradiation crosslinking technological, makes cable have more superior electrical property.Armour adopts the chain armouring of aluminum alloy strip, guarantees that cable has stronger resistance to compression, shock resistance, lightweight, and good bending property is easy to install, and can exempt from the crane span structure expense, and mechanical strength is high, but direct-burried is exempted from corrosive pipeline, can be used for inflammable, explosive hazardous area.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1. conductor, 2. primary insulation, 3. outer layer insulation, 4. obturator, 5. tape for cables layer, 6. armour, 7. cable jacket layer.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further.
In Fig. 1, cable core comprises four core conductors 1 that are arranged at the interior employing aluminium alloy of low-smoke non-halogen flame-retardant obturator 4, and symmetric arrays is stranded to be formed; Every core conductor outer wall is wrapping inner layer insulation 2 and outer layer insulation 3 successively all, and wherein primary insulation 2 is the IXPE insulating barrier; Outer layer insulation 3 is low-smoke non-halogen flame-retardant irradiation crosslinked polyolefin insulating layer.Outer wall at obturator 4 wraps up tape for cables layer 5, cable sheath 6 and cable jacket layer 7 from inside to outside successively.
Tape for cables layer 5 is fire-retardant gluing type glass strap, makes fire resistance more reliable; Cable sheath is the chain armour 6 of aluminum alloy strip, and cable jacket layer 7 is low-smoke non-halogen flame-retardant cross-linking radiation polyolefin jacket layer.
Although above-mentioned, by reference to the accompanying drawings embodiment of the present utility model is described; but be not the restriction to the utility model protection range; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection range of the present utility model.
Claims (5)
1. a high-performance aluminium alloy cable for building, is characterized in that, it comprises cable core, and cable core adopts some core conductors of aluminium alloy to form by being arranged in obturator, and every core conductor outer wall is equipped with conductor double hyer insulation layer; Stranded the forming of described some core conductor symmetric arrays; Described obturator outer wall wraps up tape for cables layer, cable sheath and the coat layer of power cable from inside to outside successively.
2. high-performance aluminium alloy cable for building as claimed in claim 1, is characterized in that, described tape for cables layer is fire-retardant gluing type glass strap.
3. high-performance aluminium alloy cable for building as claimed in claim 1, is characterized in that, described cable sheath is the chain armouring of aluminum alloy strip.
4. high-performance aluminium alloy cable for building as claimed in claim 1, is characterized in that, described the coat layer of power cable is low-smoke non-halogen flame-retardant cross-linking radiation polyolefin jacket layer.
5. high-performance aluminium alloy cable for building as claimed in claim 1, is characterized in that, described conductor double hyer insulation layer comprises inner insulating layer and external insulation layer; Wherein, inner insulating layer is the IXPE insulating barrier, and external insulation layer is low-smoke non-halogen flame-retardant irradiation crosslinked polyolefin insulating layer, and inside and outside thickness of insulating layer is than being 1:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203775578U CN203338836U (en) | 2013-06-27 | 2013-06-27 | Constructional high-performance aluminium alloy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203775578U CN203338836U (en) | 2013-06-27 | 2013-06-27 | Constructional high-performance aluminium alloy cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203338836U true CN203338836U (en) | 2013-12-11 |
Family
ID=49707500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203775578U Expired - Lifetime CN203338836U (en) | 2013-06-27 | 2013-06-27 | Constructional high-performance aluminium alloy cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203338836U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337290A (en) * | 2013-06-27 | 2013-10-02 | 山东华凌电缆有限公司 | High-performance aluminium alloy cable for building |
| CN105244093A (en) * | 2015-10-30 | 2016-01-13 | 苏俊兰 | Wear-resistant low-smoke environmental protection device |
| CN109148033A (en) * | 2018-08-30 | 2019-01-04 | 金杯电工衡阳电缆有限公司 | A kind of low smoke halogen-free fire retardant fire resistant aluminium alloy power cable |
-
2013
- 2013-06-27 CN CN2013203775578U patent/CN203338836U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337290A (en) * | 2013-06-27 | 2013-10-02 | 山东华凌电缆有限公司 | High-performance aluminium alloy cable for building |
| CN105244093A (en) * | 2015-10-30 | 2016-01-13 | 苏俊兰 | Wear-resistant low-smoke environmental protection device |
| CN109148033A (en) * | 2018-08-30 | 2019-01-04 | 金杯电工衡阳电缆有限公司 | A kind of low smoke halogen-free fire retardant fire resistant aluminium alloy power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |