CN205177487U - Super alumite alloy wire of aluminium base ceramic fibre core - Google Patents

Super alumite alloy wire of aluminium base ceramic fibre core Download PDF

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Publication number
CN205177487U
CN205177487U CN201520867738.8U CN201520867738U CN205177487U CN 205177487 U CN205177487 U CN 205177487U CN 201520867738 U CN201520867738 U CN 201520867738U CN 205177487 U CN205177487 U CN 205177487U
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China
Prior art keywords
aluminium
fibre core
ceramic fibre
base ceramic
zirconium
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CN201520867738.8U
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Chinese (zh)
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罗文长
邵鹏
黄红鼎
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Kunming Dianli Electric Cable Co Ltd
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Kunming Dianli Electric Cable Co Ltd
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Abstract

The utility model discloses a belong to wire and cable technical field, concretely relates to super alumite alloy wire of aluminium base ceramic fibre core. This super alumite alloy wire of aluminium base ceramic fibre core includes aluminium base ceramic fibre core and aluminium zirconium stranded conductor, and this aluminium zirconium stranded conductor uses aluminium base ceramic fibre core to be the concentric circles structure as the centre of a circle and arranges, and the ceramic fibre core includes aluminium base and a plurality of axial embeddings of following alumina ceramics fibre in aluminium base, the cross -section of aluminium zirconium stranded conductor is circular or trapezoidal, the outsourcing of aluminium base ceramic fibre core is covered with the aluminium lamination, has the aluminum alloy paper tinsel around the package between aluminium lamination and the aluminium zirconium stranded conductor, aluminium zirconium stranded conductor still wraps up outward has high temperature insulating layer. The utility model provides a poor, the big problem of line loss of aluminium conductors (cable) steel -reinforced heat resistance in the current air wire to the corona that the arc hangs down and the wire is surperficial has been reduced. This air wire heat resistance is good, operating temperature 210~230 DEG C for a long time, and the line loss is little, and the conductivity is high, has practiced thrift the electric energy.

Description

Al-base ceramic fibre core superalloy conductor
Technical field
The utility model patent belongs to technical field of electric wires and cables, is specifically related to a kind of Al-base ceramic fibre core superalloy conductor.
Background technology
The carrier that overhead power transmission conducting wire is carried as electric power, occupies very consequence in transmission line.In prior art, the overhead power transmission conducting wire of extensive use is steel core heat-resisting aluminium alloy twisted wire, and it has following defect: heat resistance is poor, and heat resisting temperature is low, is only 70 ~ 90 DEG C; Transmission ampacity is little, line loss is large; The wire coefficient of expansion is large, sag large, the corona of conductive line surfaces is large.Therefore a kind of Novel rack hollow wire is needed to solve the problems referred to above.
Utility model content
The utility model is for the deficiencies in the prior art, steel reinforced aluminium conductor heat resistance in existing transmission of electricity electric wire is poor, the large problem of line loss to provide a kind of Al-base ceramic fibre core superalloy conductor of dependable performance to solve, and the corona of sag and conductive line surfaces is low.
The technical solution of the utility model is achieved in that this Al-base ceramic fibre core superalloy conductor comprises Al-base ceramic fibre core and is wrapped in the aluminium zirconium twisted wire outside Al-base ceramic fibre core, aluminium zirconium twisted wire with Al-base ceramic fibre core for the center of circle be concentric structure arrangement, it is characterized in that, described ceramic fibre core comprise aluminium base and some embed vertically described aluminium base in ceramic alumina fiber; The cross section of described aluminium zirconium twisted wire is circular or trapezoidal; Described Al-base ceramic fibre core outsourcing is covered with aluminium lamination, is surrounded with alloy foil between described aluminium lamination and aluminium zirconium twisted wire; Described aluminium zirconium twisted wire is also enclosed with high-temperature insulating layer outward.
Described high-temperature insulating layer outside is also provided with insulation protective jacket, and described insulation protective jacket is buckle-type insulation protective jacket, its thickness 2.5 ~ 3.8mm.
Institute's aluminium zirconium twisted wire be a kind of resistance to 210 ~ 230 DEG C of high temperature containing zirconium superalloy line of material.
Described high-temperature insulating layer to be heat resisting temperature the be black weatherability cross-linked polyolefin overhead insulating material of 230 DEG C.
The utility model solves the defect existed in background technology, has following beneficial effect:
(1) heat resistance is good, long-term stable operation temperature 210 ~ 230 DEG C.
(2) transmit 1.6 times that ampacity can reach steel core, and line loss is little, conductance high (conductance is 58%IACS), saves energy.
(3) coefficient of linear expansion of Al-base ceramic fibre core is little, less than the sag of common steel core, and the outer strand structure adopting aluminium zirconium twisted wire, when waiting external diameter, conductive section is large, effectively increases transmission line capability, also has from advantages such as heavy and light, low arc drop, corona are little.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: 1-Al-base ceramic fibre core, 2-aluminium lamination, 3-alloy foil, 4-aluminium zirconium twisted wire, 5-high-temperature insulating layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Al-base ceramic fibre core superalloy conductor as shown in Figure 1, the aluminium zirconium twisted wire 4 comprising Al-base ceramic fibre core 1 and be wrapped in outside Al-base ceramic fibre core 1, aluminium zirconium twisted wire 4 with Al-base ceramic fibre core 1 for the center of circle be concentric structure arrangement, it is characterized in that, ceramic fibre core 1 comprise aluminium base and some embed vertically described aluminium base in ceramic alumina fiber; The cross section of aluminium zirconium twisted wire 4 is circular or trapezoidal; Al-base ceramic fibre core 1 outsourcing is covered with aluminium lamination 2, and aluminium lamination 2 can be fine aluminium also can be heat-resisting aluminium alloy, gets on to be formed the coating layer of continuous and derivable, improve the anti-pressure ability of fibre core by the extruding of routine, wrapped or dip-coating.Be surrounded with alloy foil 3 between aluminium lamination 2 and aluminium zirconium twisted wire 4, fixing tight bundle Al-base ceramic fibre core 1 can be played.Aluminium zirconium twisted wire 4 is outer is also enclosed with high-temperature insulating layer 5.High-temperature insulating layer 5 outside is also provided with insulation protective jacket, and insulation protective jacket is buckle-type insulation protective jacket, its thickness 2.5 ~ 3.8mm.Aluminium zirconium twisted wire 4 be a kind of resistance to 210 ~ 230 DEG C of high temperature containing zirconium superalloy line of material.High-temperature insulating layer 5 for heat resisting temperature be the black weatherability cross-linked polyolefin overhead insulating material of 230 DEG C.
The utility model implementation process is: in aluminium, add a small amount of zirconium (Zr) make aluminium alloy, can improve its thermal endurance and can be controlled in minimum zone the impact of conductance.Zirconium (Zr) element, can improve the recrystallization temperature of aluminium, little on the impact of reduction conductance again.The utility model improves on the basis of existing 90 DEG C of heat-resisting aluminum-alloy overhead twisted wires based on this principle, the long-time running temperature of twisted wire is made to bring up to 230 DEG C, conductance can reach 58%IACS, sees standard GB/T30551-2014 " overhead stranded conductor heat resistant aluminum alloy wire ".High-temperature insulating layer 4 adopts crosslinked polyolefin materials, and cross-linked polyolefin has remarkable combustion characteristics and mechanical performance.Also insulation resistance can not be made significantly to reduce even if make moist, thoroughly stop the possibility of leaking electricity.Al-base ceramic fibre core 1 has the less characteristic of high-fire resistance, high mechanical properties, low thermal expansion and quality, with its overhead stranded conductor as strengthening core, rated continuous working temperature can reach 210 ~ 230 DEG C, emergent temperature can reach 260 DEG C, quality is only 1.2 times of aluminium, and hot strength 8 is doubly to aluminium, suitable with steel, coefficient of linear expansion is 1/2 of steel, and conductivity is 4 times of steel.Adopt heat-resisting aluminium alloy molded line strand structure processed, when waiting external diameter, conductive section is large, effectively increases transmission line capability, and reduces the corona of conductive line surfaces.Insulation protective jacket adopts silica gel, the material that Ethylene Propylene Terpolymer etc. have high temperature weatherability is made, have the following advantages: easy accessibility, construction is simple, can to waft to plain conductor wind such as power transmission and transformation line, wire jumpers the external insulation protection of the transmission lines such as caused short circuit, and the protection to the corrosion of bare metal wire such as the soda acid thing such as salt fog, dirt, birds droppings; For the anti-bird pest of circuit and dust storm sand and dust, humid air, acid rain etc. to the oxidative attack of plain conductor, the protection of damage; Effectively prevent the short circuit power cut fault caused by foreign matter overlap joint.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (4)

1. an Al-base ceramic fibre core superalloy conductor, comprise Al-base ceramic fibre core (1) and be wrapped in Al-base ceramic fibre core (1) aluminium zirconium twisted wire (4) outward, aluminium zirconium twisted wire (4) with Al-base ceramic fibre core (1) for the center of circle be concentric structure arrangement, it is characterized in that, described ceramic fibre core (1) comprise aluminium base and some embed vertically described aluminium base in ceramic alumina fiber; The cross section of described aluminium zirconium twisted wire (4) is circular or trapezoidal; Described Al-base ceramic fibre core (1) outsourcing is covered with aluminium lamination (2), is surrounded with alloy foil (3) between described aluminium lamination (2) and aluminium zirconium twisted wire (4); Described aluminium zirconium twisted wire (4) is also enclosed with high-temperature insulating layer (5) outward.
2. Al-base ceramic fibre core superalloy conductor according to claim 1; it is characterized in that: described high-temperature insulating layer (5) outside is also provided with insulation protective jacket; described insulation protective jacket is buckle-type insulation protective jacket, its thickness 2.5 ~ 3.8mm.
3. Al-base ceramic fibre core superalloy conductor according to claim 1, is characterized in that: what institute's aluminium zirconium twisted wire (4) was a kind of resistance to 210 ~ 230 DEG C of high temperature contains zirconium superalloy line of material.
4. Al-base ceramic fibre core superalloy conductor according to any one of claim 1 to 3, is characterized in that: described high-temperature insulating layer (5) for heat resisting temperature be the black weatherability cross-linked polyolefin overhead insulating material of 230 DEG C.
CN201520867738.8U 2015-11-03 2015-11-03 Super alumite alloy wire of aluminium base ceramic fibre core Active CN205177487U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112718907A (en) * 2020-12-10 2021-04-30 南京理工大学 High-strength heat-resistant heterogeneous aluminum alloy conductor and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112718907A (en) * 2020-12-10 2021-04-30 南京理工大学 High-strength heat-resistant heterogeneous aluminum alloy conductor and preparation method thereof

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