CN203882638U - Aluminium-clad aluminium conductor steel reinforced cable - Google Patents
Aluminium-clad aluminium conductor steel reinforced cable Download PDFInfo
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- CN203882638U CN203882638U CN201420308245.6U CN201420308245U CN203882638U CN 203882638 U CN203882638 U CN 203882638U CN 201420308245 U CN201420308245 U CN 201420308245U CN 203882638 U CN203882638 U CN 203882638U
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Abstract
The utility model discloses an aluminium-clad aluminium conductor steel reinforced cable. The cable includes a core wire which is formed by a plurality of aluminum-clad steel wires in a stranded manner, an inner conductor layer wrapping the core wire and an outer conductor layer wrapping the inner conductor layer, wherein both of the inner conductor layer and the outer conductor layer are formed by a plurality of aluminium wires which are manufactured from heat-resistant aluminium alloy in the stranded manner. A cross section of each aluminium wire is fan-shaped. Cross sections of both the inner conductor layer and the outer conductor layer are annular in shapes. A sum of the cross section area of the inner conductor layer and the cross section area of the outer conductor layer is 10 times as the section area of the core wire. The sum of the cross section area of the outer conductor layer and the cross section area of the inner conductor layer is 10 times as the section area of the core wire. With the aluminium-clad aluminium conductor steel reinforced cable, a current-carrying capacity can be increased and a performance of resisting a wind load and an ice load can be improved.
Description
Technical field
The utility model relates to field of cables, particularly relates to a kind of aluminium Baogang core aluminum stranded wire.
Background technology
In transmission line, the cable often using is steel reinforced aluminium conductor.In existing steel reinforced aluminium conductor, stranded wire is round line structure, these wire heat resisting temperatures are poor, and between wire, be line contact, contact area is little, cause the ampacity of wire little, easily freeze, ant wind load and ice load ability, if can not meet the demands at some regional peak times of power consumption transmission capacities, will have a strong impact on socioeconomic development.
Utility model content
Goal of the invention of the present utility model is: for the problem of above-mentioned existence, provide a kind of aluminium Baogang core aluminum stranded wire, can increase ampacity, improve ant wind load and ice load ability.
The technical solution adopted in the utility model is such:
A kind of aluminium Baogang core aluminum stranded wire is provided, comprise the heart yearn being become by Duo Gen aluminium Baogang core wire stranding, the outer conductor layer of wrapping up the inner conductor layer of described heart yearn and wrapping up described inner conductor layer, described inner conductor layer and described outer conductor layer are by many stranded the forming of aluminum conductor that adopt heat-resisting aluminium alloy to make, the cross sectional shape of described aluminum conductor is fan-shaped, the cross sectional shape of described inner conductor layer and described outer conductor layer is annulus, and the ratio of the area of section of described outer conductor layer and described inner conductor layer is 5:3, 10 times of the area of section that the area of section summation of described outer conductor layer and described inner conductor layer is described heart yearn.
Wherein, the area of section of described aluminum conductor is 14.52mm
2.
Wherein, the aluminum conductor quantity of described inner conductor layer is nine, and the aluminum conductor quantity of described outer conductor layer is 15.
Wherein, described aluminium Baogang core number of conductors is seven.
Wherein, the wire diameter of described aluminium Baogang core wire is 2.5mm, and the wire diameter of described aluminum conductor is 4.3mm.
Wherein, described aluminum conductor is T shape structure.
Wherein, the thickness of the aluminum conductor of described inner conductor layer is 3.95mm, and the thickness of the aluminum conductor of described outer conductor layer is 3.9mm.
Wherein, the conductance of described aluminum conductor is greater than 60%IACS, and average the upper limit temperature of heat tolerance is 210 DEG C, and instantaneous the upper limit temperature of heat tolerance is 240 DEG C.
In sum, owing to having adopted technique scheme, the beneficial effects of the utility model are: because the cross section of aluminum conductor is fan-shaped, between aluminum conductor, for face contact, ampacity be can increase, ant wind load and ice load ability improved, twisted wire compact conformation, not-easy-to-freeze, ant wind load and ice load ability are improved, and aluminum conductor employing heat-resisting aluminium alloy, higher heat resisting temperature there is.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the aluminium Baogang core aluminum stranded wire that provides of the utility model embodiment.
Mark in figure: 1 is heart yearn; 2 is inner conductor layer; 3 is outer conductor layer.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, be the schematic cross-section of the aluminium Baogang core aluminum stranded wire that provides of the utility model embodiment.Aluminium Baogang core aluminum stranded wire comprises the heart yearn 1, the inner conductor layer 2 of parcel heart yearn 1 and the outer conductor layer 3 of the interior aluminum conductor layer 2 of parcel that are become by Duo Gen aluminium Baogang core wire stranding, inner conductor layer 2 and outer conductor layer 3 are by many stranded the forming of aluminum conductor that adopt heat-resisting aluminium alloy to make, the cross sectional shape of aluminum conductor is fan-shaped, the cross sectional shape of inner conductor layer 2 and outer conductor layer 3 is annulus, and the ratio of the area of section of outer conductor layer 3 and inner conductor layer 2 is 5:3.Preferably, the area of section of aluminum conductor is 14.52mm
2.
In the present embodiment, the quantity of aluminium Baogang core wire is seven, and the aluminum conductor quantity of inner conductor layer 2 is nine, and the aluminum conductor quantity of outer conductor layer is 15.The wire diameter of aluminium Baogang core wire is 2.5mm, and the wire diameter of aluminum conductor is 4.3mm.Alternatively, aluminum conductor is T shape structure, and the thickness of the aluminum conductor of inner conductor layer 2 is 3.95mm, and the thickness of the aluminum conductor of outer conductor layer 3 is 3.9mm.The conductance of aluminum conductor is greater than 60%IACS, and average the upper limit temperature of heat tolerance is 210 DEG C, and instantaneous the upper limit temperature of heat tolerance is 240 DEG C.
Adopt after above-mentioned size, the area of section summation of inner conductor layer 2 and outer conductor layer 3 is about 350mm
2, the area of section of heart yearn 1 is about 35mm
2, the area of section summation of inner conductor layer 2 and outer conductor layer 3 is 10 times of area of section of heart yearn 1.
Alternatively, the direction of lay of the aluminum conductor of inner conductor layer 2 and outer conductor layer 3 can be contrary.Such as the direction of lay of the aluminum conductor of inner conductor layer 2 is left-hand, the direction of lay of the aluminum conductor of outer conductor layer 3 is dextrad.
Aluminium of the present utility model Baogang core aluminum conductor has following effect:
1, between inner conductor layer and the aluminum conductor of outer conductor layer, be face contact, contact area is large, in conjunction with tightr, twisted wire ampacity is increased.
2, twisted wire periphery does not have gap, smooth surface, and moment of torsion is large, and compared with the twisted wire that adopts circle line structure with tradition, external diameter is less, very little thereby ice and snow covers while wrapping up in thickness, so should not freeze, can improve ant wind load and ice load ability.
3, aluminum conductor adopts heat-resisting aluminium alloy, and heat resisting temperature is large, has further increased ampacity, so transmission capacity also increases.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (9)
1. a Zhong Lv Baogang core aluminum stranded wire, it is characterized in that, comprise the heart yearn being become by Duo Gen aluminium Baogang core wire stranding, the outer conductor layer of wrapping up the inner conductor layer of described heart yearn and wrapping up described inner conductor layer, described inner conductor layer and described outer conductor layer are by many stranded the forming of aluminum conductor that adopt heat-resisting aluminium alloy to make, the cross sectional shape of described aluminum conductor is fan-shaped, the cross sectional shape of described inner conductor layer and described outer conductor layer is annulus, and the ratio of the area of section of described outer conductor layer and described inner conductor layer is 5:3, 10 times of the area of section that the area of section summation of described outer conductor layer and described inner conductor layer is described heart yearn.
2. aluminium according to claim 1 Baogang core aluminum stranded wire, is characterized in that, the area of section of described aluminum conductor is 14.52mm
2.
3. aluminium according to claim 2 Baogang core aluminum stranded wire, is characterized in that, the aluminum conductor quantity of described inner conductor layer is nine, and the aluminum conductor quantity of described outer conductor layer is 15.
4. according to the aluminium Baogang core aluminum stranded wire described in claims 1 to 3 any one, other are just, described aluminium Baogang core number of conductors is seven.
5. aluminium according to claim 4 Baogang core aluminum stranded wire, is characterized in that, the wire diameter of described aluminium Baogang core wire is 2.5mm, and the wire diameter of described aluminum conductor is 4.3mm.
6. aluminium according to claim 1 Baogang core aluminum stranded wire, is characterized in that, described aluminum conductor is T shape structure.
7. aluminium according to claim 6 Baogang core aluminum stranded wire, is characterized in that, the thickness of the aluminum conductor of described inner conductor layer is 3.95mm, and the thickness of the aluminum conductor of described outer conductor layer is 3.9mm.
8. aluminium according to claim 1 Baogang core aluminum stranded wire, is characterized in that, the conductance of described aluminum conductor is greater than 60%IACS, and average the upper limit temperature of heat tolerance is 210 DEG C, and instantaneous the upper limit temperature of heat tolerance is 240 DEG C.
9. aluminium according to claim 1 Baogang core aluminum stranded wire, is characterized in that, the direction of lay of the aluminum conductor of described inner conductor layer and described outer conductor layer is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308245.6U CN203882638U (en) | 2014-06-11 | 2014-06-11 | Aluminium-clad aluminium conductor steel reinforced cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308245.6U CN203882638U (en) | 2014-06-11 | 2014-06-11 | Aluminium-clad aluminium conductor steel reinforced cable |
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| Publication Number | Publication Date |
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| CN203882638U true CN203882638U (en) | 2014-10-15 |
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| CN201420308245.6U Active CN203882638U (en) | 2014-06-11 | 2014-06-11 | Aluminium-clad aluminium conductor steel reinforced cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834045A (en) * | 2019-04-16 | 2020-10-27 | 中天电力光缆有限公司 | Metal composite wire, preparation method thereof and conducting wire |
-
2014
- 2014-06-11 CN CN201420308245.6U patent/CN203882638U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834045A (en) * | 2019-04-16 | 2020-10-27 | 中天电力光缆有限公司 | Metal composite wire, preparation method thereof and conducting wire |
| CN111834045B (en) * | 2019-04-16 | 2021-09-24 | 中天电力光缆有限公司 | Metal composite wire, preparation method thereof and conducting wire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: China Power Engineering Consulting Group Southwest Electric Power Design Institute Co., Ltd. Patentee after: Zhongtian Science and Technology Co., Ltd., Jiangsu Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: Southwest Electric Power Design Institute of China Power Engineering Consulting Group Corporation Patentee before: Zhongtian Science and Technology Co., Ltd., Jiangsu |