CN209625893U - A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type - Google Patents

A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type Download PDF

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Publication number
CN209625893U
CN209625893U CN201920483938.1U CN201920483938U CN209625893U CN 209625893 U CN209625893 U CN 209625893U CN 201920483938 U CN201920483938 U CN 201920483938U CN 209625893 U CN209625893 U CN 209625893U
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China
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conducting wire
conducting
wire
layer
multiply
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CN201920483938.1U
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Inventor
黄海琴
吴松如
郑有松
朱家俊
周家云
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Anhui Electric Group Shares Co ltd
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Anhui Electric Group Shares Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

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Abstract

The utility model relates to a kind of low wind pressure conducting wires of aluminium packet invar steel core superalloy type;Belting layer is coated on outside strengthening core;Inner conducting layer is formed by the first wire stranding of multiply, and the first conducting wire is circumferentially distributed in outside belting layer, tangent to each other between the first conducting wire of multiply;Conductive layer includes the second conducting wire of multiply in master, second conducting wire is circumferentially distributed in outside inner conducting layer, second conducting wire and the first wire crossbar are distributed, and per share second conducting wire is tangent simultaneously with two strand of first adjacent conducting wire, wherein spaced between two strand of second conducting wire of arbitrary neighborhood;Conductive layer includes multiply privates in pair, and per share privates is arranged among the interval, and tangent with two strand of second adjacent conducting wire and the first conducting wire simultaneously;Outer conducting layer is coated on outside middle conductive layer, and outer conducting layer is twisted by multiply abnormity conductor wire, and the special-shaped conductor wire of arbitrary neighborhood is formed with V-shaped groove on the outer surface of outer conducting layer, and V-shaped groove is towards inner recess.

Description

A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type
Technical field
The utility model relates to leader cable fields, and in particular to a kind of low wind pressure of aluminium packet invar steel core superalloy type Conducting wire.
Background technique
With the progress of science and technology, the voltage class of route is higher and higher, and the distribution of china natural resources and east economy Fast development, determine China's transmission line of electricity present extra-high voltage, the transportation characteristics of long range.
The main problem encountered in extra-high voltage, long distance delivery route is: one, building " a galvanic electricity according to Utilities Electric Co. The requirement of net ", overhead power line should have the characteristics that resource-conserving and environmentally friendly.With the increase of voltage class, The corona loss of conducting wire on the line causes the extensive attention of scientific research personnel, really, by increasing the area of conducting wire to increase Big wire diameter can reduce corona phenomenon, and still, the increasing of entire route one-time construction cost can be caused by increasing conductor cross-section Add;Two, Ultra-high Voltage Wire can pass through different climatic provinces during long distance delivery, and the conducting wire by wind pressure accounts for whole route 60% or so or even some transmission lines of electricity can pass through strong wind area, and in strong wind area in addition to conducting wire intensity itself need to be amenable to wind Load test is outer, and tower bar needs to bear the power that conducting wire is passed over by wind load and tower bar itself and made by the resultant force of wind load With.Wind load how is reduced, conducting wire and steel tower safety in operation are improved, how under the premise of guaranteeing transmission capacity, reduces line Road overall cost reduces corona loss, prevents Electromagnetic Interference, be current urgent problem to be solved.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of low wind pressure of aluminium packet invar steel core superalloy type Conducting wire, to solve the problems, such as proposed in background technique.
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of aluminium packet invar steel core is super resistance to The low wind pressure conducting wire of hot aluminium alloy type, it is characterised in that: including outer conducting layer, middle conductive layer, inner conducting layer, belting layer and reinforcement Core;
Belting layer is coated on outside strengthening core;Inner conducting layer is formed by the first wire stranding of multiply, and the first conducting wire circumferentially divides Cloth is tangent to each other between the first conducting wire of multiply outside belting layer;
Middle conductive layer includes conductive layer and conductive layer in pair in main;Conductive layer includes the second conducting wire of multiply in master, and second leads Line is circumferentially distributed in outside inner conducting layer, and the second conducting wire and the first wire crossbar are distributed, and per share second conducting wire with it is adjacent Two strand of first conducting wire simultaneously it is tangent, it is wherein spaced between two strand of second conducting wire of arbitrary neighborhood;Conductive layer includes in pair Multiply privates, per share privates are arranged among the interval, and simultaneously with two strand of second adjacent conducting wire and One conducting wire is tangent;
Outer conducting layer is coated on outside middle conductive layer, and outer conducting layer is twisted by multiply abnormity conductor wire, arbitrary neighborhood Special-shaped conductor wire be formed with V-shaped groove on the outer surface of outer conducting layer, V-shaped groove is towards inner recess.
Preferably, the periphery of the second conducting wire and the periphery of privates and the same circumference inscribe.
Preferably, middle conductive layer is twisted by the second conducting wire with privates, the strand of direction of lay and inner conducting layer It closes contrary.
Preferably, strengthening core is aluminium packet invar steel core, is formed by more aluminium packet invar silk concentric strandings.
Preferably, the first conducting wire, the second conducting wire and privates are heat resistant aluminum alloy wire.
Preferably, the outer surface of special-shaped conductor wire is plane, and the peripheral shape of outer conducting layer is conductive by multiply abnormity The regular polygon that line medial plane is constituted.
Preferably, it is recessed inwardly to form arc-shaped concave at the outer surface center of special-shaped conductor wire.
Compared to the prior art, the utility model has the beneficial effects that: during (1) is main conductive layer the second conducting wire and first Wire crossbar distribution, the privates in pair in conductive layer are arranged between two strand of second conducting wire, and simultaneously with adjacent two strands Second conducting wire and the first conducting wire are tangent, so that cable overall structure becomes more compact, in the case where same outer diameter, energy With bigger conductive section, section utilization rate is improved, effectively increases transmission line capability, and reduce the electricity of cable surface It is dizzy;(2) peripheral shape of outer conducting layer is regular polygon, and has multiple V-shaped grooves, to constitute a kind of non-cylinder , fairing shape that have wheel Guo, and increase the outer surface roughness of outer conducting layer, high speed can be made to blow to cable conductor windward The laminar winds in face generate directional separation, collision, recirculating zone cannot be formed at the cable conductor back side, so that cable conductor entirety wind pressure It reduces, cable conductor wind shake is dynamic to be reduced.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the utility model;
Each appended drawing reference is as follows:
1, outer conducting layer;2, conductive layer in pair;3, conductive layer in master;4, inner conducting layer;5, belting layer;6, strengthening core;7, Arc-shaped concave;8, V-shaped groove.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.Term The orientation or state relation of the instructions such as "inner", "upper", "lower" are orientation based on the figure or state relation, merely to just In description the utility model and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention;The specification of the utility model It is to be used to distinguish similar objects with the term " first " in claims and above-mentioned attached drawing, " second " etc., without being used for The specific sequence of description or precedence.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to here The embodiments of the present invention of description.
The low wind pressure conducting wire of a kind of aluminium packet invar steel core superalloy type as shown in Figure 1, including outer conducting layer 1, in lead Electric layer, inner conducting layer 4, belting layer 5 and strengthening core 6;
Belting layer 5 is coated on outside strengthening core 6;Inner conducting layer 4 is formed by the first wire stranding of multiply, and the first conducting wire is circumferential It is distributed in outside belting layer 5, it is tangent to each other between the first conducting wire of multiply;
Middle conductive layer includes conductive layer 3 and conductive layer 2 in pair in main;In master conductive layer 3 include the second conducting wire of multiply, second Conducting wire is circumferentially distributed in outside inner conducting layer 4, and the second conducting wire and the first wire crossbar are distributed, and per share second conducting wire with phase Two strand of first adjacent conducting wire is tangent simultaneously, wherein spaced between two strand of second conducting wire of arbitrary neighborhood;Conductive layer 2 wraps in pair Include multiply privates, per share privates is arranged among the interval, and simultaneously with adjacent two strand of second conducting wire and First conducting wire is tangent;
Outer conducting layer 1 is coated on outside middle conductive layer, and outer conducting layer 1 is twisted by multiply abnormity conductor wire, any phase Adjacent special-shaped conductor wire is formed with V-shaped groove 8 on the outer surface of outer conducting layer 1, and V-shaped groove 8 is towards inner recess.
In the present embodiment, strengthening core 6 is aluminium packet invar steel core, is formed by more aluminium packet invar silk concentric strandings.Aluminium packet Yin Steel wire is to have aluminium layer composition in invar silk external sheath.Invar is a kind of iron-nickel alloy material of low thermal coefficient of expansion, and heat is swollen Swollen coefficient is 2.8 × 10-6/ DEG C, so the linear expansion coefficient of aluminium packet invar steel core is extremely low, when conducting wire is when higher temperature works, is led The arc sag of line not will increase very much, and line energizing flow amount is improved, so that the temperature limit of conducting wire be made to greatly improve.
Belting layer 5 is specially PTFE tape in the present embodiment, and belting layer 5 prevents from turning round in bending for the strengthening core 6 that is fastened Turn to cause to misplace between aluminium packet invar silk when cable, while the existing higher heat resistance of PTFE material, and has preferable Flame retardant property can preferably protect cable.
In the present embodiment, the first conducting wire, the second conducting wire and privates are heat resistant aluminum alloy wire, and heat resistant aluminum alloy wire is A kind of aluminium Zirconium alloy material line of resistance to 210 DEG C~230 DEG C high temperature, conductivity 60%IACS, the transmission that cable can be improved are held Amount.
In the present embodiment, less than the outer diameter of the second conducting wire, the outer diameter of the second conducting wire leads less than first for the outer diameter of privates The outer diameter of line, after being arranged in this way, convenient for the second conducting wire with the first conducting wire is tangent is interspersed, but also the periphery of the second conducting wire and It the periphery of privates can be with the same circumference inscribe, so that cable overall structure becomes more compact, in same outer diameter In the case where, there can be bigger conductive section, improve section utilization rate, effectively increase transmission line capability, and reduce electricity The corona on cable surface.
In the present embodiment, middle conductive layer is twisted by the second conducting wire with privates, direction of lay and inner conducting layer 4 Direction of lay it is opposite.
In the present embodiment, the inner side plane of special-shaped conductor wire is arc surface, and both side surface is plane, and outer surface is also flat Face, the peripheral shape of outer conducting layer 1 are the regular polygon that is made of multiply abnormity conductor wire medial plane, are positive 12 here Side shape;In the present embodiment, the periphery edge of special-shaped conductor wire is handled by fillet, thus in adjacent special-shaped conductor wire contact V-shaped groove is formd at position, thus constitute a kind of non-cylinder, have the fairing shape of wheel Guo, furthermore special-shaped conductive It is also recessed inwardly to form arc-shaped concave 7 at the outer surface center of line, the outer surface for further increasing outer conducting layer 1 is coarse Degree, the laminar winds that high speed can be made to blow to cable conductor windward side generate directional separation, collision, cannot be formed at the cable conductor back side Recirculating zone, so that cable conductor entirety wind pressure reduces, cable conductor wind shake is dynamic to be reduced.
More than, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, according to the utility model Technical solution and its utility model design be subject to equivalent substitution or change, should all cover the protection scope of the utility model it It is interior.

Claims (7)

1. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type, it is characterised in that: including outer conducting layer (1), in lead Electric layer, inner conducting layer (4), belting layer (5) and strengthening core (6);
It is external that belting layer (5) is coated on strengthening core (6);Inner conducting layer (4) is formed by the first wire stranding of multiply, the first conducting wire week It is external to belting layer (5) is distributed in, it is tangent to each other between the first conducting wire of multiply;
Middle conductive layer includes conductive layer (2) in conductive layer (3) in master and pair;Conductive layer (3) includes the second conducting wire of multiply in master, the Two conducting wires are circumferentially distributed in inner conducting layer (4) outside, and the second conducting wire and the first wire crossbar are distributed, and per share second conducting wire is equal It is tangent simultaneously with two strand of first adjacent conducting wire, it is wherein spaced between two strand of second conducting wire of arbitrary neighborhood;It is conductive in pair Layer (2) include multiply privates, per share privates is arranged among the interval, and simultaneously with adjacent two strand second Conducting wire and the first conducting wire are tangent;
Outer conducting layer (1) is coated on outside middle conductive layer, and outer conducting layer (1) is twisted by multiply abnormity conductor wire, any phase Adjacent special-shaped conductor wire is formed with V-shaped groove (8) on the outer surface of outer conducting layer (1), and V-shaped groove (8) is towards inner recess.
2. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: The periphery of two conducting wires and the periphery of privates and the same circumference inscribe.
3. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: in Conductive layer is twisted by the second conducting wire with privates, and direction of lay is opposite with the direction of lay of inner conducting layer (4).
4. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: add Qiang Xin (6) is aluminium packet invar steel core, is formed by more aluminium packet invar silk concentric strandings.
5. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: One conducting wire, the second conducting wire and privates are heat resistant aluminum alloy wire.
6. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: different The outer surface of shape conductor wire is plane, and the peripheral shape of outer conducting layer (1) is by multiply abnormity conductor wire medial plane institute structure At regular polygon.
7. a kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type according to claim 1, it is characterised in that: different It is recessed inwardly to form arc-shaped concave (7) at the outer surface center of shape conductor wire.
CN201920483938.1U 2019-04-11 2019-04-11 A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type Active CN209625893U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110148496A (en) * 2019-04-11 2019-08-20 安徽电气集团股份有限公司 A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110148496A (en) * 2019-04-11 2019-08-20 安徽电气集团股份有限公司 A kind of low wind pressure conducting wire of aluminium packet invar steel core superalloy type

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