CN104616724A - Moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor - Google Patents
Moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor Download PDFInfo
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- CN104616724A CN104616724A CN201510069512.8A CN201510069512A CN104616724A CN 104616724 A CN104616724 A CN 104616724A CN 201510069512 A CN201510069512 A CN 201510069512A CN 104616724 A CN104616724 A CN 104616724A
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Abstract
The invention discloses a moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor. The moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor is composed of a heat-resistant circular aluminum alloy core wire (1) on an inner layer, single heat-resistant trapezoid aluminum alloy wires (2) on a middle layer and single heat-resistant circular aluminum alloy wires (3) on an outer layer in a twisting mode. The section of each single heat-resistant trapezoid aluminum alloy wire (2) is trapezoid, the five layers of the single heat-resistant trapezoid aluminum alloy wires (2) on the middle layer are stranded around the heat-resistant circular aluminum alloy core wire (1) from inside to outside in a concentric mode, and the number of each layer of the single heat-resistant trapezoid aluminum alloy wires (2) is at least six. The moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor is a novel overhead conductor, and the gap in the domestic market is filled in. The moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor has the advantages that the alternating-current resistance is low, connection is convenient and easy, the electromagnetic induction loss does not exist, the line loss is low, the creep resistance performance is good, and circuit sag cannot easily change. Compared with aluminum-magnesium-silicon high-strength aluminum alloy, the moderate-strength abnormally-shaped heat-resistant aluminum alloy overhead conductor has more advantages, the production technology is simple, the cost is low, and the efficiency is high.
Description
Technical field
The present invention relates to strength thermal resistant aluminium alloy shaped overhead conductors in a kind of electric power overhead wire, particularly one.
Background technology
Domestic general based on ACSR with high strength aluminium wires in application high-strength aluminum alloy process, be applied in Great span, heavy icing area.All aluminium alloy twisted wire was also having certain application in recent years, but due to its conductance low, large-scale popularization application also there is certain difficulty.Two kinds of aluminium alloy wire kind LHA1, LHA2 in China wire standard GB/T1179-2008 are high-strength aluminum alloy, conductance is respectively 52.5%IACS and 53%IACS, compared with the conductance 61%IACS of the hard-drawn aluminium wire LY9 adopted with steel reinforced aluminium conductor ACSR, when same wire cross section, its D.C. resistance will increase about 15%, when by same current, its resistance loss is corresponding increase about 15% also.Middle intensity all aluminium alloy twisted wire has that resistance loss is low, sag characteristic good, without the feature such as magnetic hysteresis loss, overload performance be good, therefore, one of middle intensity all aluminium alloy twisted wire main line kind probably becoming aerial condutor future development, but occur there are no Related product in the market.
Summary of the invention
Technical problem to be solved by this invention is to provide that a kind of resistance loss is low, sag characteristic good, without magnetic hysteresis loss, middle strength thermal resistant aluminium alloy shaped overhead conductors that overload performance is good, thus to fill a hole in the market, and overcomes above-mentioned the deficiencies in the prior art.
For solving the problems of the technologies described above, technical scheme of the present invention is as follows:
Middle strength thermal resistant aluminium alloy shaped overhead conductors, it is by the heat-resisting circular aluminum alloy core wire of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer and outer field heat-resisting circular aluminum alloy filaments is mutually stranded forms, the cross sectional shape of the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer is trapezoidal, and the heat-resisting circular aluminum alloy core wire of internal layer and the cross sectional shape of outer field heat-resisting circular aluminum alloy filaments are circle; The heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer divides 1 ~ 5 layer of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire, and the quantity of every layer of heat-resisting trapezoidal aluminium alloy monofilament is at least 6.
Above-mentioned middle strength thermal resistant aluminium alloy shaped overhead conductors, preferably, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer be point 1 layer of concentric stranding around heat-resisting circular aluminum alloy core wire, the quantity of heat-resisting trapezoidal aluminium alloy monofilament is 6.
Aforesaid middle strength thermal resistant aluminium alloy shaped overhead conductors, preferably, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer divides 2 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament is 6, and the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament is 12.
Aforesaid middle strength thermal resistant aluminium alloy shaped overhead conductors, preferably, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer divides 3 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament is 12, and the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament is 18.
Aforesaid middle strength thermal resistant aluminium alloy shaped overhead conductors, preferably, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer divides 4 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament is 18, and the quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament is 24.
Aforesaid middle strength thermal resistant aluminium alloy shaped overhead conductors, preferably, the heat-resisting trapezoidal aluminium alloy monofilament in intermediate layer divides 5 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament is 18, and the quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament is 24, and the quantity of the 5th layer of heat-resisting trapezoidal aluminium alloy monofilament is 30.
Beneficial effect: compared with prior art, the present invention is a kind of novel aerial condutor, fill up domestic market blank, it has the high conductivity of 63%IACS, intensity is 240 ~ 250MPa, want high by 40 ~ 50% with common duralumin single line specific strength, have AC resistance little, continue convenient and simple, without electromagnetic induction loss, the advantage such as line loss is low and creep-resistant property good, line-sag not easily changes, there is advantage more more than al-mg-si high-strength aluminum alloy, this alloy wire is the aluminium alloy wire of non-heat treated, so production technology is easy, cost is low, efficiency is high.Long-term service temperature of the present invention is 150 DEG C, and temperature can reach 180 DEG C in short-term, allows that ampacity is 1.4 ~ 1.5 times of same specification plain conductor continuously, and adopt all aluminium alloy silk, weight, tensile strength is 1.5 times of the steel reinforced aluminium conductor of specification of the same race.
Accompanying drawing explanation
Fig. 1 is 1+6 structural representation of the present invention;
Fig. 2 is 1+6+12 structural representation of the present invention;
Fig. 3 is 1+6+12+18 structural representation of the present invention;
Fig. 4 is the 1+6+12+18+24 structural representation of invention;
Fig. 5 is the 1+6+12+18+24+30 structural representation of invention;
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated.
Embodiment
Embodiment 1: as shown in Figure 1, by the heat-resisting circular aluminum alloy core wire 1 of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament 2 in intermediate layer with outer field heat-resisting circular aluminum alloy filaments 3 is stranded forms, the cross section of the heat-resisting circular aluminum alloy core wire 1 of internal layer is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 cross section in intermediate layer is trapezoidal, and outer field heat-resisting circular aluminum alloy filaments 3 cross section is circular.Heat-resisting trapezoidal aluminium alloy monofilament 2 points of 1 layer of concentric strandings are around heat-resisting circular aluminum alloy core wire 1, and the quantity of every 1 layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 6.
Embodiment 2: as shown in Figure 2, by the heat-resisting circular aluminum alloy core wire 1 of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament 2 in intermediate layer with outer field heat-resisting circular aluminum alloy filaments 3 is stranded forms, the cross section of the heat-resisting circular aluminum alloy core wire 1 of internal layer is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 cross section in intermediate layer is trapezoidal, and outer field heat-resisting circular aluminum alloy filaments 3 cross section is circular.Heat-resisting trapezoidal aluminium alloy monofilament 2 divides 2 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire 1, and the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 6, and the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 12.
Embodiment 3: as shown in Figure 3, by the heat-resisting circular aluminum alloy core wire 1 of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament 2 in intermediate layer and outer field heat-resisting circular aluminum alloy filaments 3 is stranded forms, the cross section of the heat-resisting circular aluminum alloy core wire 1 of internal layer is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 cross section in intermediate layer is trapezoidal, outer field heat-resisting circular aluminum alloy filaments 3 cross section is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 divides 3 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire 1, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 18.
Embodiment 4: as shown in Figure 4, by the heat-resisting circular aluminum alloy core wire 1 of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament 2 in intermediate layer with outer field heat-resisting circular aluminum alloy filaments 3 is stranded forms, the cross section of the heat-resisting circular aluminum alloy core wire 1 of internal layer is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 cross section in intermediate layer is trapezoidal, and outer field heat-resisting circular aluminum alloy filaments 3 cross section is circular.Heat-resisting trapezoidal aluminium alloy monofilament 2 divides 4 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire 1, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 12, and the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 18.The quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 24.
Embodiment 5: as shown in Figure 5, by the heat-resisting circular aluminum alloy core wire 1 of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament 2 in intermediate layer with outer field heat-resisting circular aluminum alloy filaments 3 is stranded forms, the cross section of the heat-resisting circular aluminum alloy core wire 1 of internal layer is circular, heat-resisting trapezoidal aluminium alloy monofilament 2 cross section in intermediate layer is trapezoidal, and outer field heat-resisting circular aluminum alloy filaments 3 cross section is circular.Heat-resisting trapezoidal aluminium alloy monofilament 2 divides 5 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire 1, the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 18, the quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 24, and the quantity of the 5th layer of heat-resisting trapezoidal aluminium alloy monofilament 2 is 30.
Embodiments of the present invention are not limited to above-described embodiment, and the various changes made under the prerequisite not departing from present inventive concept all belong within protection scope of the present invention.
Claims (6)
1. strength thermal resistant aluminium alloy shaped overhead conductors in a kind, it is characterized in that: by the heat-resisting circular aluminum alloy core wire (1) of internal layer, the heat-resisting trapezoidal aluminium alloy monofilament (2) in intermediate layer with outer field heat-resisting circular aluminum alloy filaments (3) is mutually stranded forms, the cross sectional shape of the heat-resisting trapezoidal aluminium alloy monofilament (2) in intermediate layer is trapezoidal; The heat-resisting circular aluminum alloy core wire (1) of internal layer and the cross sectional shape of outer field heat-resisting circular aluminum alloy filaments (3) are circle; The heat-resisting trapezoidal aluminium alloy monofilament (2) in intermediate layer divides 1 ~ 5 layer of concentric stranding from inside to outside around the heat-resisting circular aluminum alloy core wire (1) of internal layer, and the quantity of every layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is at least 6.
2. middle strength thermal resistant aluminium alloy shaped overhead conductors according to claim 1, it is characterized in that: heat-resisting trapezoidal aluminium alloy monofilament (2) point 1 layer of concentric stranding in described intermediate layer is around heat-resisting circular aluminum alloy core wire (1), and the quantity of heat-resisting trapezoidal aluminium alloy monofilament (2) is 6.
3. middle strength thermal resistant aluminium alloy shaped overhead conductors according to claim 1, it is characterized in that: the heat-resisting trapezoidal aluminium alloy monofilament (2) in described intermediate layer divides 2 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire (1), the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 6, and the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 12.
4. middle strength thermal resistant aluminium alloy shaped overhead conductors according to claim 1, it is characterized in that: the heat-resisting trapezoidal aluminium alloy monofilament (2) in described intermediate layer divides 3 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire (1), the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 12, and the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 18.
5. middle strength thermal resistant aluminium alloy shaped overhead conductors according to claim 1, it is characterized in that: the heat-resisting trapezoidal aluminium alloy monofilament (2) in described intermediate layer divides 4 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire (1), the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 18, and the quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 24.
6. middle strength thermal resistant aluminium alloy shaped overhead conductors according to claim 1, it is characterized in that: the heat-resisting trapezoidal aluminium alloy monofilament (2) in described intermediate layer divides 5 layers of concentric stranding from inside to outside around heat-resisting circular aluminum alloy core wire (1), the quantity of the 1st layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 6, the quantity of the 2nd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 12, the quantity of the 3rd layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 18, the quantity of the 4th layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 24, the quantity of the 5th layer of heat-resisting trapezoidal aluminium alloy monofilament (2) is 30.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105139957A (en) * | 2015-09-07 | 2015-12-09 | 江苏荣宜电缆有限公司 | High efficient energy saving high conductive anti-extrusion aerial cable |
| CN106229035A (en) * | 2016-08-24 | 2016-12-14 | 超达电线电缆有限公司 | Profile conductor and preparation method thereof and application in the cable |
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| CN203260377U (en) * | 2013-04-04 | 2013-10-30 | 河南科信电缆有限公司 | Low-line loss high-strength full aluminum alloy conducting wire |
| CN103559955A (en) * | 2013-11-25 | 2014-02-05 | 扬州曙光电缆股份有限公司 | Single line separated conductor |
| CN204348356U (en) * | 2015-02-03 | 2015-05-20 | 贵州星天电线电缆有限公司 | Middle strength thermal resistant aluminium alloy shaped overhead conductors |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012094504A2 (en) * | 2011-01-05 | 2012-07-12 | Alcan Products Corporation | Aluminum alloy conductor composite reinforced for high voltage overhead power lines |
| CN202093845U (en) * | 2011-06-17 | 2011-12-28 | 远东电缆有限公司 | Medium-intensity overhead conducting wire |
| CN203260377U (en) * | 2013-04-04 | 2013-10-30 | 河南科信电缆有限公司 | Low-line loss high-strength full aluminum alloy conducting wire |
| CN103559955A (en) * | 2013-11-25 | 2014-02-05 | 扬州曙光电缆股份有限公司 | Single line separated conductor |
| CN204348356U (en) * | 2015-02-03 | 2015-05-20 | 贵州星天电线电缆有限公司 | Middle strength thermal resistant aluminium alloy shaped overhead conductors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105139957A (en) * | 2015-09-07 | 2015-12-09 | 江苏荣宜电缆有限公司 | High efficient energy saving high conductive anti-extrusion aerial cable |
| CN106229035A (en) * | 2016-08-24 | 2016-12-14 | 超达电线电缆有限公司 | Profile conductor and preparation method thereof and application in the cable |
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Application publication date: 20150513 |
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