CN103903672A - Composite cable - Google Patents
Composite cable Download PDFInfo
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- CN103903672A CN103903672A CN201410153664.1A CN201410153664A CN103903672A CN 103903672 A CN103903672 A CN 103903672A CN 201410153664 A CN201410153664 A CN 201410153664A CN 103903672 A CN103903672 A CN 103903672A
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Abstract
The invention relates to a composite cable which comprises a conductor core layer and a wrapping outer layer twisted outside the conductor core layer. The conductor core layer is a high-strength zinc-coated wire or a carbon fiber composite core. The wrapping outer layer is formed by a plurality of aluminium alloy wires or aluminium wires in a twisting mode, and every two adjacent aluminium alloy wires or aluminium wires are embedded with each other. The cross section of the outer surface of the wrapping outer layer is a full circle. The composite cable is large in current-carrying capacity, excellent in ice and snow resistance performance, large in span, high in power transmission efficiency, saving in energy and low in erecting cost.
Description
Technical field
The present invention relates to cable technology, be specifically related to the cable of a kind of large span, heavy in section, large ampacity.
Background technology
Existing cable, generally adopts copper wire as core, the aluminum steel of outer stranded circle.Mainly there is the problem of following several respects in this cable: one, due to skin stranded be circular aluminum steel, cause the gap of etween the lines large, net sectional area is little, and external diameter is large, store and transportation in take up room greatly.Two, uneven, rough by the stranded superficies that form of circular aluminum steel, easily pile up ice and snow or other heavy burden materials, increase the heavy burden of cable, anti-ice-snow ability, easily bends and destroys cable.Three, the tensile strength of copper wire used is low, and while setting up, span is less, sets up the required shaft tower quantity of cable many, and not only cost is large, wasting manpower and material resources, and also land occupation resource is many.
Based on above problem, existing cable cannot meet the new demand of power construction fast development.
Summary of the invention
In view of this, the present invention aims to provide that a kind of net sectional area is large, ampacity is large, anti-ice-snow function admirable, span is large, power transmission efficiency is high and energy-conservation, set up the composite cable that cost is low.
The present invention takes following technical scheme to address the above problem:
A kind of composite cable, comprises conductor sandwich layer, and outside described conductor sandwich layer stranded coated skin.Wherein, described conductor sandwich layer is high-strength galvanized steel wire or carbon fiber complex core.Described coated skin is by many aluminium alloy wires or aluminum steel is stranded forms, in described aluminium alloy wire or aluminum steel adjacent two mutual chimeric.The cross section of described coated outer field outer surface is full circle.
Preferably, described conductor sandwich layer is by many stranded formation of high-strength galvanized steel wire, and the filament diameter of described high-strength galvanized steel wire is 2.66mm, and tensile strength is more than or equal to 2160MPA; The tensile strength of described carbon fiber complex core is more than or equal to 2940MPA.
Preferably, described aluminium alloy wire is superalloy line or heat resistant aluminum alloy wire, and wherein, the continuous operation allowable temperature of described superalloy line is 210 ℃, and the continuous operation allowable temperature of described heat resistant aluminum alloy wire is 150 ℃.
Preferably, the cross section of described aluminium alloy wire or aluminum steel is Z-type or bow type.
Preferably, described coated skin comprises multiple coating layers, in described multiple coating layers, is that to be greater than near the single cross section of the coating layer of described conductor sandwich layer be aluminium alloy wire or the aluminum steel width in a circumferential direction of Z-type or bow type for the aluminium alloy wire of Z-type or bow type or aluminum steel width in a circumferential direction away from the single cross section of the coating layer of described conductor sandwich layer.
Preferably, the aluminium alloy wire that in described multiple coating layer, many cross sections of two adjacent coating layers are Z-type or aluminum steel mutual chimeric opposite direction in a circumferential direction.
Preferably, the superalloy line that described cross section is Z-type comprises that the first circumferential extension, second week are to extension and connecting portion radially, and described radially connecting portion connects the described first circumferential extension and described second week to extension.
Preferably, the distance of the described first circumferential extension and described conductor sandwich layer is greater than the distance of described second week to extension and described conductor sandwich layer, the described first circumferential extension week width be upwards greater than described second week to extension at week width upwards.
Preferably, the described first circumferential extension thickness diametrically add the above second week equal to extension thickness diametrically described in connecting portion thickness diametrically radially.
Preferably, radian and the arc identical length etc. of first of the aluminium alloy wire of described many cross section Z-types or aluminum steel the circumferential extension; Radian and the arc identical length etc. of the radially connecting portion of the aluminium alloy wire of described many cross section Z-types or aluminum steel, and the radian of described radially connecting portion is the half of the radian of the described first circumferential extension; The aluminium alloy wire of described many cross section Z-types or the second week of aluminum steel are to radian and the arc identical length etc. of extension
Compared with prior art, the beneficial effect of composite cable of the present invention is:
Composite cable of the present invention utilizes high-strength galvanized steel wire or carbon fiber complex core as conductor sandwich layer, thereby improve the tensile strength of composite cable, can realize large span built on stilts and improved ampacity, the required shaft tower quantity of composite cable reduces, greatly reduce the costs such as manpower and materials, and land occupation resource is few; And, utilize adjacent in aluminium alloy wire or aluminum steel two mutual chimeric, making the cross section of coated outer field outer surface is full circle, thereby not only further improve ampacity, and make the smooth surface of composite cable, effectively improved anti-ice-snow performance, and surface is difficult for adhering to dust, can effectively reduces noise and line loss that corona discharge produces.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the composite cable of first embodiment of the invention.
Fig. 2 is the schematic diagram of the composite cable of second embodiment of the invention.
Fig. 3 is the schematic diagram of the composite cable of third embodiment of the invention.
Fig. 4 is the schematic diagram of the composite cable of fourth embodiment of the invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, first embodiment of the invention provides a kind of composite cable, comprise by the stranded conductor sandwich layer 110 forming of many high-strength galvanized steel wires 112, and at described conductor sandwich layer 110 outer stranded coated outer 120.Wherein, described coated outer 120 aluminium alloy wires that are Z-type by many cross sections or aluminum steel 122 is stranded forms, in described aluminium alloy wire or aluminum steel 122 adjacent two mutual chimeric.The cross section of described coated outer 120 outer surface is full circle.
Particularly, in described conductor sandwich layer 110, the filament diameter of single high-strength galvanized steel wire 112 is preferably selected 2.66mm, and tensile strength is more than or equal to 2160MPA.Adopt the high-strength galvanized steel wire 12 of above-mentioned tensile strength to strengthen the ability of composite cable load-bearing, meet the requirement of large span and heavy in section high pressure, ultra high voltage, greatly reduce the shaft tower cost in new line construction, saved valuable land resource and human resources.
Described coated outer 120 comprise multiple coating layers.The aluminium alloy wire that each coating layer in described multiple coating layer is Z-type by many cross sections or aluminum steel 122 be mutual chimeric formation in a circumferential direction.Preferably, the aluminium alloy wire that in described multiple coating layers, many cross sections of two adjacent coating layers are Z-type or aluminum steel 122 mutual chimeric opposite direction in a circumferential direction, can improve stranded tightness and the reliability of coated skin 120 like this.
Further, aluminium alloy wire or aluminum steel 122 width in a circumferential direction that it is Z-type that the aluminium alloy wire that is Z-type away from the single cross section of the coating layer of described conductor sandwich layer 110 in described multiple coating layer or aluminum steel 122 width are in a circumferential direction greater than near the single cross section of the coating layer of described conductor sandwich layer 110.Specifically, described cross section is that the aluminium alloy wire of Z-type or aluminum steel 122 comprise that the first circumferential extension 1221, second week are to extension 1222 and connecting portion 1223 radially, described radially connecting portion 1223 connect the described first circumferential extension 1221 with described second week to extension 1222.The described first circumferential extension 1221 and the distance of described conductor sandwich layer 110 be greater than described second week to extension 1222 distance with described conductor sandwich layer 110, the described first circumferential extension 1221 week width be upwards greater than described second week to extension 1222 at week width upwards.The described first circumferential extension 1221 thickness diametrically add the above second week equal to extension 1222 thickness diametrically described in connecting portion 1223 thickness diametrically radially.Thereby aluminium alloy wire or aluminum steel 122 that coated outer 120 many cross sections are Z-type can be twisted into a complete rounded outer surface better.
Further, the aluminium alloy wire that in described multiple coating layer, the cross section of every one deck is Z-type or the dimensional parameters of aluminum steel 122 can design definite in the following manner:
The first step, determines the sectional area of some coating layers according to factors such as ampacitys, wherein, the cross section of this layer of coating layer is annulus;
Second step, determines aluminium alloy wire or the stranded radical n of aluminum steel 122 of the Z-type of this layer of coating layer;
The 3rd step, determine in the internal diameter r of this layer of coating layer and outside external diameter r, particularly, the sectional area requiring at definite this layer of coating layer and the stranded aluminium alloy wire of Z-type or the radical of aluminum steel 122, determine the internal diameter of this layer of coating layer according to the external diameter of one deck structure of the adjacent inner side of this layer of coating layer, then calculate the external diameter of this layer of coating layer in conjunction with the sectional area requiring;
The 4th step, determines the aluminium alloy wire of single Z-type or the radian of aluminum steel 122 and the arc length degree of this layer of coating layer.Wherein, in a preferred version of the present invention, radian=360 of the first circumferential extension 1221 °/n, arc length degree=2 π r
outward/ n, that is, and radian and the arc identical length etc. of the first circumferential extension 1221 of the aluminium alloy wire of many Z-types of this layer of coating layer or aluminum steel 122; Radially radian=360 of connecting portion 1223 °/2 × n, arc length degree=2 π r1/2 × n, wherein r
1=(r
outward-r
in)/2+r
in, that is, and radian and the arc identical length etc. of the radially connecting portion 1223 of the aluminium alloy wire of many Z-types of this layer of coating layer or aluminum steel 122, and radially the radian of connecting portion 1223 is the half of the radian of the first circumferential extension 1221; Second week to radian=360 of extension 1222 °/n, arc length degree=2 π r
in/ n; , the second week of the aluminium alloy wire of many Z-types of this layer of coating layer or aluminum steel 122 is to radian and the arc identical length etc. of extension 1222.Aluminium alloy wire or the aluminum steel 122 of the Z-type of this layer of coating layer of producing with above-mentioned preferred dimensional parameters design, size uniform, the aluminium alloy wire or the each position distortion of aluminum steel 122 holding capacity that in stranded process, farthest guarantee Z-type are even, the aluminium alloy wire or aluminum steel 122 stress deformations that prevent Z-type, cause the coating layer of stranded formation abnormal.
Be understandable that, adopt the coated outer 120 of the aluminium alloy wire of Z-type or aluminum steel 122 stranded formation, due to circle completing of its mutual chimeric composition, there is good combination compactness and reliability after therefore stranded.
In addition,, in the composite cable process of implementing in making the present invention first, mainly comprise following main points:
The first point, the design of Z-type mould: smooth in order to guarantee wire drawing, the general principle of design of Z-type mould is to adopt gradual change type deformation design, is deformed into gradually Z-type from circle.
Second point, the wire drawing key point of Z-type aluminium alloy wire or aluminum steel: in drawing process, by aligning guide wheel, guarantee that, in drawing process and on take-up reel, the direction consistency of Z-type aluminium alloy wire or aluminum steel, reduces the single line change in location in twisted wire process.
Thirdly, Z-type aluminium alloy wire or aluminium cabling key point: in twisted wire process, unwrapping wire threading direction is consistent, simultaneously stranded head is line ball guide wheel fixed-direction for place, guarantees that the direction of single line in stranded process is consistent.
Refer to Fig. 2, second embodiment of the invention provides a kind of composite cable, comprise by the stranded conductor sandwich layer 210 forming of many high-strength galvanized steel wires 212, and at described conductor sandwich layer 210 outer stranded coated outer 220.Wherein, described coated outer 220 is the aluminium alloy wire of bow type or aluminum steel 222 is stranded forms by many cross sections, in described aluminium alloy wire or aluminum steel 222 adjacent two mutual chimeric.The cross section of described coated outer 220 outer surface is full circle.
Particularly, in described conductor sandwich layer 210, the filament diameter of single high-strength galvanized steel wire 212 is preferably selected 2.66mm, and tensile strength is more than or equal to 2160MPA.Adopt the high-strength galvanized steel wire 212 of above-mentioned tensile strength to strengthen the ability of composite cable load-bearing, meet the requirement of large span and heavy in section high pressure, ultra high voltage, greatly reduce the shaft tower cost in new line construction, saved valuable land resource and human resources.
Further, the aluminium alloy wire that described coated outer 220 cross section is bow type or the dimensional parameters of aluminum steel 222 can design definite in the following manner:
The first step, determines coated outer 220 sectional area according to factors such as ampacitys, and wherein, this coated cross section of outer 220 is annulus;
Second step, determines aluminium alloy wire or the stranded radical n of aluminum steel 222 of described coated outer 220 bow type;
The 3rd step, determine in described coated outer 220 internal diameter r and outside external diameter r, particularly, in the case of determining described coated outer 220 sectional areas and the stranded aluminium alloy wire of bow type or the radical of aluminum steel 222 that require, determine described coated outer 220 internal diameter according to the external diameter of one deck structure of described coated outer 220 adjacent inner sides, then calculate described coated outer 220 external diameter in conjunction with the sectional area requiring;
The 4th step, determines the aluminium alloy wire of described coated outer 220 single bow type or the radian of aluminum steel 222 and arc length degree.Wherein, in a preferred version of the present invention, outer radian=360 of the radian of the aluminium alloy wire of single bow type or aluminum steel 222 °/n, outer arc length=2 π r
outward/ n; Interior radian=360 °/n, inner arc length=2 π r
in/ n, that is to say, the aluminium alloy wire of described coated outer 220 many bow types or the outer radian of aluminum steel 222, outer arc length, interior radian, inner arc length equate respectively, consistent size.Aluminium alloy wire or the aluminum steel 222 of described coated outer 220 the bow type of producing with above-mentioned preferred dimensional parameters design, size uniform, the aluminium alloy wire or the each position distortion of aluminum steel 222 holding capacity that in stranded process, farthest guarantee bow type are even, prevent aluminium alloy wire or aluminum steel 222 stress deformations of bow type, cause the coated outer 220 abnormal of stranded formation.
Refer to Fig. 3, third embodiment of the invention provides a kind of composite cable, comprise by the stranded conductor sandwich layer 310 forming of carbon fiber complex core 312, and at described conductor sandwich layer 310 outer stranded coated outer 320.Wherein, described coated outer 320 is the aluminium alloy wire of bow type or aluminum steel 322 is stranded forms by many cross sections, in described aluminium alloy wire 322 adjacent two mutual chimeric.The cross section of described coated outer 320 outer surface is full circle.
Particularly, in described conductor sandwich layer 310, the tensile strength of carbon fiber complex core 312 is more than or equal to 2940MPA.Adopt the carbon fiber complex core 312 of above-mentioned tensile strength to strengthen the ability of composite cable load-bearing, lightweight, 1/4 of the not enough steel of proportion, meet the requirement of large span and heavy in section high pressure, ultra high voltage, greatly reduce the shaft tower cost in new line construction, saved valuable land resource and human resources.And carbon fiber complex core 312 has common zinc-coated wire incomparable excellent resistance to elevated temperatures and decay resistance, has guaranteed the stability of composite cable in During Process of Long-term Operation.
In in this enforcement, described conductor sandwich layer 310 comprises a carbon fiber complex core 312.Described coated outer 320 comprise aluminium alloy wire or the aluminum steel 322 that 8 cross sections are bow type.
Refer to Fig. 4, fourth embodiment of the invention provides a kind of composite cable, comprise by the stranded conductor sandwich layer 410 forming of carbon fiber complex core 412, and at described conductor sandwich layer 410 outer stranded coated outer 420.Wherein, described coated outer 420 aluminium alloy wires that are Z-type by many cross sections or aluminum steel 422 is stranded forms, adjacent mutually chimeric in described aluminium alloy wire or aluminum steel 422.The cross section of described coated outer 420 outer surface is full circle.
Particularly, in described conductor sandwich layer 410, the tensile strength of carbon fiber complex core 412 is more than or equal to 2940MPA.Adopt the carbon fiber complex core 412 of above-mentioned tensile strength to strengthen the ability of composite cable load-bearing, and lightweight, meet the requirement of large span and heavy in section high pressure, ultra high voltage, greatly reduced the shaft tower cost in new line construction, saved valuable land resource and human resources.In in this enforcement, described conductor sandwich layer 410 comprises a carbon fiber complex core 412.
Described coated outer 420 comprise multiple coating layers.The aluminium alloy wire that each coating layer in described multiple coating layer is Z-type by many cross sections or aluminum steel 422 be mutual chimeric formation in a circumferential direction.Preferably, the aluminium alloy wire that in described multiple coating layers, many cross sections of two adjacent coating layers are Z-type or aluminum steel 422 mutual chimeric opposite direction in a circumferential direction, can improve stranded tightness and the reliability of coated skin 420 like this.In the present embodiment, each coating layer in described multiple coating layers comprises aluminium alloy wire or the aluminum steel 422 that 412 cross sections are Z-type.
Further, the aluminium alloy wire 422 that it is Z-type that the aluminium alloy wire that is Z-type away from the single cross section of the coating layer of described conductor sandwich layer 410 in described multiple coating layer or aluminum steel 422 width are in a circumferential direction greater than near the single cross section of the coating layer of described conductor sandwich layer 410 width in a circumferential direction.Specifically, described cross section is that the aluminium alloy wire of Z-type or aluminum steel 422 comprise that the first circumferential extension 4221, second week are to extension 4222 and connecting portion 4223 radially, described radially connecting portion 4223 connect the described first circumferential extension 4221 with described second week to extension 4222.The described first circumferential extension 4221 and the distance of described conductor sandwich layer 410 be greater than described second week to extension 4222 distance with described conductor sandwich layer 410, the described first circumferential extension 4221 week width be upwards greater than described second week to extension 4222 at week width upwards.The described first circumferential extension 4221 thickness diametrically add the above second week equal to extension 4222 thickness diametrically described in connecting portion 4223 thickness diametrically radially.Thereby aluminium alloy wire or aluminum steel 422 that coated outer 420 many cross sections are Z-type can be twisted into a complete rounded outer surface better.
Composite cable of the present invention adopts many aluminium alloy wire or full circle of the stranded formation of aluminum steel that cross section is Z-type or bow type, make composite cable smooth surface and tight, there is good anti-ice-snow ability, and surface is difficult for adhering to dust, can effectively reduce noise and line loss that corona discharge produces.
Ampacity refers to the electric weight that a cable line passes through in the time of transmission of electric energy, and under thermally-stabilised condition, the current-carrying capacity of cable in the time that cable conductor reaches long-term permission working temperature is called long-run allowable amperage of cable.
Wherein, affect ampacity because have:
A: the long-term permission operation working temperature of cable conductor, this temperature is higher, and long-run allowable amperage of cable is larger;
B: the differences such as the residing ambient temperature of cable, air themperature, allow ampacity also different;
C: cable conductor sectional area, cross-sectional area of conductor is long-pending larger, allows ampacity larger;
D: the resistance coefficient of cable conductor material, resistance coefficient is larger, allows ampacity less;
E: cable surrounding environment thermal resistance, thermal resistance is larger, dispels the heat slower, and ampacity is less.
Known according to the influencing factor of above-mentioned ampacity, because composite cable of the present invention adopts aluminium alloy wire or aluminum steel that many cross sections are Z-type or bow type stranded, amass this stranded effective cross section that can greatly increase closely, improve the ampacity of composite cable, ampacity is than adopting circular aluminium alloy wire to improve more than 60%, and total body diameter of composite cable is than adopting circular aluminium alloy wire to reduce by 20% left and right.
Further, described aluminium alloy wire preferably adopts superalloy line or heat resistant aluminum alloy wire, superalloy line or heat resistant aluminum alloy wire resistance coefficient are little, and continuous operation allowable temperature is high, wherein, the continuous operation allowable temperature of described superalloy line is 210 ℃, and the comparable common aluminum alloy line of ampacity improves 60% left and right; The continuous operation allowable temperature of described heat resistant aluminum alloy wire is 150 ℃, and ampacity improves 40% left and right than common aluminum alloy line; Thereby, adopt superalloy line or heat resistant aluminum alloy wire can greatly improve ampacity.
In addition, composite cable of the present invention can leave certain gap between the layers, makes composite cable have excellent self-damping effect, has reduced the vibration in composite cable running.
Compared with traditional like product, composite cable of the present invention can meet the construction of heavy in section high pressure, extra high voltage line, has reduced the loss of electric power in transmission, has improved power transmission efficiency.
Composite cable of the present invention utilizes high-strength galvanized steel wire or carbon fiber complex core as conductor sandwich layer, thereby improve the tensile strength of composite cable, can realize large span built on stilts and improved ampacity, the required shaft tower quantity of composite cable reduces, greatly reduce the costs such as manpower and materials, and land occupation resource is few; And, utilize adjacent in aluminium alloy wire or aluminum steel two mutual chimeric, making the cross section of coated outer field outer surface is full circle, thereby not only further improve ampacity, and make the smooth surface of composite cable, effectively improved anti-ice-snow performance, and surface is difficult for adhering to dust, can effectively reduces noise and line loss that corona discharge produces.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a composite cable, it is characterized in that: comprise conductor sandwich layer, and outside described conductor sandwich layer stranded coated skin, wherein, described conductor sandwich layer is high-strength galvanized steel wire or carbon fiber complex core, described coated skin is by many aluminium alloy wires or aluminum steel is stranded forms, in described aluminium alloy wire or aluminum steel adjacent two mutual chimeric, the cross section of described coated outer field outer surface is full circle.
2. composite cable according to claim 1, is characterized in that: described conductor sandwich layer is by many stranded formation of high-strength galvanized steel wire, and the filament diameter of described high-strength galvanized steel wire is 2.66mm, and tensile strength is more than or equal to 2160MPA; The tensile strength of described carbon fiber complex core is more than or equal to 2940MPA.
3. composite cable according to claim 1, it is characterized in that: described aluminium alloy wire is superalloy line or heat resistant aluminum alloy wire, wherein, the continuous operation allowable temperature of described superalloy line is 210 ℃, and the continuous operation allowable temperature of described heat resistant aluminum alloy wire is 150 ℃.
4. according to the composite cable described in claim 1-3 any one, it is characterized in that: the cross section of described aluminium alloy wire or aluminum steel is Z-type or bow type.
5. composite cable according to claim 4, it is characterized in that: described coated skin comprises multiple coating layers, is that to be greater than near the single cross section of the coating layer of described conductor sandwich layer be aluminium alloy wire or the aluminum steel width in a circumferential direction of Z-type or bow type for the aluminium alloy wire of Z-type or bow type or aluminum steel width in a circumferential direction away from the single cross section of the coating layer of described conductor sandwich layer in described multiple coating layers.
6. composite cable according to claim 5, is characterized in that: the aluminium alloy wire that in described multiple coating layers, many cross sections of two adjacent coating layers are Z-type or aluminum steel mutual chimeric opposite direction in a circumferential direction.
7. composite cable according to claim 4, it is characterized in that: the superalloy line that described cross section is Z-type comprises that the first circumferential extension, second week are to extension and connecting portion radially, described radially connecting portion connects the described first circumferential extension and described second week to extension.
8. composite cable according to claim 7, it is characterized in that: the distance of the described first circumferential extension and described conductor sandwich layer is greater than the distance of described second week to extension and described conductor sandwich layer, the described first circumferential extension week width be upwards greater than described second week to extension at week width upwards.
9. composite cable according to claim 7, is characterized in that: the described first circumferential extension thickness diametrically add the above second week equal to extension thickness diametrically described in connecting portion thickness diametrically radially.
10. composite cable according to claim 7, is characterized in that: radian and the arc identical length etc. of the first circumferential extension of the aluminium alloy wire of described many cross section Z-types or aluminum steel; Radian and the arc identical length etc. of the radially connecting portion of the aluminium alloy wire of described many cross section Z-types or aluminum steel, and the radian of described radially connecting portion is the half of the radian of the described first circumferential extension; The aluminium alloy wire of described many cross section Z-types or the second week of aluminum steel are to radian and the arc identical length etc. of extension.
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| CN201410153664.1A CN103903672B (en) | 2014-04-16 | 2014-04-16 | Composite cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871556A (en) * | 2016-09-23 | 2018-04-03 | 江苏亨通电力电缆有限公司 | The aerial insulated cable and its manufacturing process of high current-carrying capacity |
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| CN101034601A (en) * | 2007-04-16 | 2007-09-12 | 中国人民解放军国防科学技术大学 | Heat-resisting and low expansion double capacity compound material core aluminum twisted wire and its making method |
| CN101625911A (en) * | 2009-08-10 | 2010-01-13 | 广东吉青电缆实业有限公司 | High-conductivity anti-icing lead and production method thereof |
| CN202134262U (en) * | 2011-07-27 | 2012-02-01 | 郑州华力电缆有限公司 | Anti-ice-snow overhead conductor |
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2014
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|---|---|---|---|---|
| JP2006318869A (en) * | 2005-05-16 | 2006-11-24 | J-Power Systems Corp | Spaced capacity-increased sag-suppressed electric wire |
| CN101034601A (en) * | 2007-04-16 | 2007-09-12 | 中国人民解放军国防科学技术大学 | Heat-resisting and low expansion double capacity compound material core aluminum twisted wire and its making method |
| CN101625911A (en) * | 2009-08-10 | 2010-01-13 | 广东吉青电缆实业有限公司 | High-conductivity anti-icing lead and production method thereof |
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| CN107871556A (en) * | 2016-09-23 | 2018-04-03 | 江苏亨通电力电缆有限公司 | The aerial insulated cable and its manufacturing process of high current-carrying capacity |
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Address after: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Address before: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee before: Fujikura Hengtong Aerial Cable System Ltd. |
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Effective date of registration: 20200110 Address after: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Co-patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Address before: 215000 Industrial Zone, seven Town, Wujiang District, Jiangsu, Suzhou Patentee before: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. |
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Effective date of registration: 20220126 Address after: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Patentee after: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. Patentee after: JIANGSU HENGTONG WIRE&CABLE TECHNOLOGY Co.,Ltd. Address before: 215000 Qidu Industrial Zone, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Jiangsu Hengtong Electric Power Intelligent Network Technology Co.,Ltd. Patentee before: JIANGSU HENGTONG ELECTRIC POWER SPECIAL WIRE Co.,Ltd. |