CN212874077U

CN212874077U - High-strength aluminum alloy core aluminum stranded wire

Info

Publication number: CN212874077U
Application number: CN202021264313.5U
Authority: CN
Inventors: 林轶君; 厉凤理
Original assignee: Lurens Electric Co ltd
Current assignee: Lurens Electric Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-04-02
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a high strength aluminum alloy core aluminum stranded conductor, the waterproof layer comprises a waterproof layer, the inside of waterproof layer is provided with the insulating layer, the inside of insulating layer is provided with the conducting layer, the inside of conducting layer is provided with zinc steel wire layer, the inside on zinc steel wire layer is provided with the elasticity filling layer, the inside of elasticity filling layer is provided with soft aluminum alloy type line layer, the inside on soft aluminum alloy type line layer is provided with the anti-corrosion coating, the inside of anti-corrosion coating is provided with polymer fiber strip. The utility model discloses a setting of waterproof layer to improve the anti-wind load and the ice load ability of inner core layer, set up soft aluminium alloy type line layer simultaneously and make the tensile ability who improves inner core layer, thereby reduce the influence that inner core layer received, improved inner core layer's power supply efficiency, through setting up anti-corrosion coating, make the inner core layer surface receive the probability of corruption, and through the setting of strengthening the core, make the loss of circuit little, work efficiency is high, thereby the life of inner core layer has been prolonged.

Description

High-strength aluminum alloy core aluminum stranded wire

Technical Field

The utility model relates to a stranded conductor technical field specifically is a high strength aluminum alloy core aluminum stranded conductor.

Background

With the rapid development of national economy, the power industry in China has a rapid progress, and according to the strategic deployment of 'west-east power transmission, south-north mutual supply and national networking', the construction of a long-distance and large-capacity power transmission line is imperative, and simultaneously, higher requirements are provided for an overhead power transmission conductor as a decision for improving the power transmission capacity, the decision is mainly solved from two ways, namely, the improvement of the power transmission voltage and the improvement of the power transmission current, and the improvement of the power transmission current density, namely, the improvement of the power transmission capacity of the conductor per unit area is very important on the premise of certain voltage.

The existing aluminum stranded wire is weak in tensile capability, poor in wind load resistance and ice load resistance, so that the aluminum stranded wire is easily influenced, the power supply efficiency of the aluminum stranded wire is reduced, the existing aluminum stranded wire is low in corrosion resistance, large in line loss and large in resistance, the surface of the aluminum stranded wire is possibly corroded, and the service life of the aluminum stranded wire is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength aluminum alloy core aluminum stranded conductor to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength aluminum alloy core aluminum stranded conductor, includes the waterproof layer, the inside of waterproof layer is provided with the insulating layer, the inside of insulating layer is provided with the conducting layer, the inside of conducting layer is provided with zinc steel wire layer, the inside on zinc steel wire layer is provided with the elasticity filling layer, the inside of elasticity filling layer is provided with soft aluminum alloy type line layer, the inside on soft aluminum alloy type line layer is provided with the anti-corrosion layer, the inside of anti-corrosion layer is provided with polymer fiber strip, the inside of anti-corrosion layer is provided with the inner core layer, the inside of anti-corrosion layer is provided with the enhancement core.

Preferably, the conducting layer is formed by 20 high-strength aluminum alloy single lines.

Preferably, the material of the insulating layer is a linear low density polyethylene resin sheath, and the thickness of the insulating layer is 0.9-1.4 cm.

Preferably, the single wire conductivity of the soft aluminum alloy wire layer is 55% IACS and the tensile strength of the soft aluminum alloy wire layer is 295MPa or more.

Preferably, the material of the elastic filling layer is TPE.

Preferably, the material of the polymer fiber strip is a PBO fiber strip.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this high strength aluminum alloy core aluminum stranded conductor through the setting of waterproof layer to improve the anti-wind load and the ice load ability of inner core layer, set up soft aluminum alloy type line layer simultaneously and make the tensile ability who improves inner core layer, thereby reduce the influence that inner core layer received, improved inner core layer's power supply efficiency.

2. This high strength aluminum alloy core aluminum stranded conductor is through setting up the anti-corrosion coating for reduce the probability that the inner core layer surface received the corruption, and through the setting of strengthening the core, make the loss of circuit little, work efficiency is high, thereby has prolonged the life of inner core layer.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a waterproof layer; 2. an insulating layer; 3. a conductive layer; 4. a zinc steel wire layer; 5. an elastic filling layer; 6. a soft aluminum alloy molding line layer; 7. an anti-corrosion layer; 8. a polymer fiber strip; 9. An inner core layer; 10. and (6) reinforcing the core.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a high strength aluminum alloy core aluminum stranded conductor, including waterproof layer 1, waterproof layer 1's inside is provided with insulating layer 2, setting through waterproof layer 1, thereby improve the anti-wind load and the ice load capacity of inner core layer 9, set up soft aluminum alloy type line layer 6 simultaneously and make the tensile strength who improves inner core layer 9, thereby reduce the influence that inner core layer 9 received, the power supply efficiency of inner core layer 9 has been improved, insulating layer 2's material is linear low density polyethylene resin sheath and insulating layer 2 thickness is 0.9-1.4cm, the inside of insulating layer 2 is provided with conducting layer 3, 20 high strength aluminum alloy single lines are constituteed to conducting layer 3, the inside of conducting layer 3 is provided with zinc steel wire layer 4, the inside of zinc steel wire layer 4 is provided with elasticity filling layer 5, the material of elasticity filling layer 5 is TPE, the inside of elasticity filling layer 5 is provided with soft aluminum alloy type line layer 6, the single line conductivity of soft aluminum alloy type line layer 6 is more than 55% IACS and the intensity 295MPa of soft aluminum The inside of soft aluminum alloy type line layer 6 is provided with anti-corrosion coating 7, through setting up anti-corrosion coating 7, make reduce the probability that the inner core layer 9 surface received the corruption, and through the setting of strengthening core 10, make the loss of circuit little, work efficiency is high, thereby the life of inner core layer 9 has been prolonged, anti-corrosion coating 7's inside is provided with polymer fiber strip 8, polymer fiber strip 8's material is PBO fiber strip, anti-corrosion coating 7's inside is provided with inner core layer 9, anti-corrosion coating 7's inside is provided with strengthens core 10.

The working principle is as follows: when using a high strength aluminum alloy core aluminum stranded conductor, when the external environment rainy when freezing, outermost waterproof layer 1 carries out effectual protection, when producing static, the insulating layer can carry out effectual protection, when the electric current is too big, can be by conducting layer 3 direction ground, when the outside has external force to extrude, through the setting on zinc copper wire layer 4, make the inside elasticity filling layer 5 in zinc copper wire layer 4, can carry out effectual external force absorption, thereby the effectual safe in utilization who protects the internal conductor, through setting up anti-corrosion coating 7, make and reduce the probability that the inner core layer 9 surface is corroded, and through the setting of strengthening core 10, make the loss of circuit little, high work efficiency, thereby the life of inner core layer 9 has been prolonged.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or scope of the present invention. Accordingly, the embodiments of the present invention are exemplary, and not limiting. The scope of the invention is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high strength aluminum alloy core aluminum stranded conductor, includes waterproof layer (1), its characterized in that: the anti-corrosion coating is characterized in that an insulating layer (2) is arranged inside the waterproof layer (1), a conducting layer (3) is arranged inside the insulating layer (2), a zinc steel wire layer (4) is arranged inside the conducting layer (3), an elastic filling layer (5) is arranged inside the zinc steel wire layer (4), a soft aluminum alloy wire layer (6) is arranged inside the elastic filling layer (5), an anti-corrosion layer (7) is arranged inside the soft aluminum alloy wire layer (6), a polymer fiber strip (8) is arranged inside the anti-corrosion layer (7), an inner core layer (9) is arranged inside the anti-corrosion layer (7), and a reinforcing core (10) is arranged inside the anti-corrosion layer (7).

2. The high-strength aluminum alloy core aluminum stranded wire according to claim 1, characterized in that: the conducting layer (3) is formed by arranging 20 high-strength aluminum alloy single lines.

3. The high-strength aluminum alloy core aluminum stranded wire according to claim 1, characterized in that: the insulating layer (2) is made of a linear low-density polyethylene resin sheath, and the thickness of the insulating layer (2) is 0.9-1.4 cm.

4. The high-strength aluminum alloy core aluminum stranded wire according to claim 1, characterized in that: the single-wire conductivity of the soft aluminum alloy wire layer (6) is 55% IACS, and the tensile strength of the soft aluminum alloy wire layer (6) is more than 295 MPa.

5. The high-strength aluminum alloy core aluminum stranded wire according to claim 1, characterized in that: the elastic filling layer (5) is made of TPE.

6. The high-strength aluminum alloy core aluminum stranded wire according to claim 1, characterized in that: the polymer fiber strips (8) are made of PBO fiber strips.