CN216014925U

CN216014925U - Power cable structure with aluminum-based wire of nanometer film

Info

Publication number: CN216014925U
Application number: CN202122690376.8U
Authority: CN
Inventors: 杜忠东; 种鹏蛟
Original assignee: Wenzhou Anneng Technology Co ltd
Current assignee: Wenzhou Anneng Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-11
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a power cable structure with aluminium base wire of nanometer film relates to medium voltage power cable structure technical field, including the conductor sinle silk, the conductor sinle silk outside from interior to exterior is equipped with semiconduction shielding layer, insulating layer, outer semiconduction shielding layer, metal shielding layer, inner sheath, metal armor and oversheath, and conductor sinle silk, semiconduction shielding layer, insulating layer, outer semiconduction shielding layer and metal shielding layer constitute the cable core and are wrapped up by inner sheath, metal armor and oversheath; the utility model provides a, be equipped with the aluminium base sinle silk of nanometer film among the power cable structure, compact structure is reasonable, and wherein mechanical properties satisfies power cable's production requirement, and the short circuit requirement when electrical properties satisfies power cable current-carrying operation and trouble, corrosion resisting property satisfies the corrosion-resistant requirement of cable when channel or direct burial, even if also enable the wire under the condition that the cable wets not corroded, has prolonged the life of cable.

Description

Power cable structure with aluminum-based wire of nanometer film

Technical Field

The utility model relates to a medium voltage power cable structure technical field especially relates to a power cable structure with aluminium base wire of nanometer film.

Background

The aluminum-based material core is a necessary structure of a medium-low voltage power cable and a control cable, the existing material mainly adopts 8000 series aluminum alloy or 1000 series pure aluminum, but the largest defect of the aluminum material is that the surface is easy to oxidize to form a film resistance. Therefore, part of wires in the cable structure are finished by a copper plating and tin plating method at present;

however, the copper-plated and tin-plated cable products are very easy to corrode or even rot when the surfaces are damaged or wetted due to the fact that the difference of the electrode potentials of the metal contact interfaces is very large, the using effect of the products is greatly influenced, and a novel metal shielding film needs to be designed for protection.

SUMMERY OF THE UTILITY MODEL

The utility model provides a power cable structure with aluminium base wire of nanometer film has solved the technical problem that the aforesaid provided.

For solving the technical problem, the utility model provides a pair of power cable structure with aluminium base wire of nanometer film, including the conductor sinle silk, conductor sinle silk outside from interior to exterior is equipped with semiconduction shielding layer, insulating layer, outer semiconduction shielding layer, metal shielding layer, inner sheath, metal armor and oversheath, and conductor sinle silk, semiconduction shielding layer, insulating layer, outer semiconduction shielding layer and metal shielding layer constitution cable core by inner sheath, metal armor and oversheath parcel, the metal shielding layer is the aluminium base sinle silk of nanometer film, and the metal shielding layer includes metal material body and solid-state conducting film, the outside of outer semiconduction shielding layer is wrapped up to the metal material body, and the internal surface of metal material body is provided with solid-state conducting film.

Preferably, the metal material body takes aluminum or aluminum alloy as a base material.

Preferably, the solid conductive film is bonded to the inner wall surface of the metal material body in the form of chemical bonds and has a thickness of nanometer.

Preferably, the structure that a cable core is wrapped in the inner sheath, the metal armor and the outer sheath is a single-core cable.

Preferably, the structure in which the inner sheath, the metal armor and the outer sheath are wrapped with three cable cores is a three-core cable.

Preferably, three cable cores in the three-core cable are arranged in a triangular shape, and filling materials are filled in gaps among the three cable cores.

Compared with the prior art, the utility model provides a pair of power cable structure with aluminium base wire of nanometer film has following beneficial effect:

the utility model provides a, be equipped with the aluminium base sinle silk of nanometer film among the power cable structure, compact structure is reasonable, wherein mechanical properties satisfies power cable's production requirement, short circuit requirement when electrical properties satisfies power cable current-carrying operation and trouble, corrosion resisting property satisfies the corrosion-resistant requirement of cable when channel or direct burial, even if also enable the wire under the condition that the cable wets not corroded, the life of cable has been prolonged, the problem of the easy quilt corruption of current unique tinned cable product has been solved.

Drawings

Fig. 1 is a schematic view of a single-core cable of the present invention;

fig. 2 is a schematic cross-sectional view of the single-core cable of the present invention;

FIG. 3 is a schematic cross-sectional view of the metal shielding layer of the present invention;

fig. 4 is a schematic view of the three-core cable of the present invention;

fig. 5 is a schematic cross-sectional view of the three-core cable of the present invention.

Reference numbers in the figures: 1. the cable comprises a conductor wire core, 2, a semiconductive shielding layer, 3, an insulating layer, 4, an outer semiconductive shielding layer, 5, a metal shielding layer, 6, an inner sheath, 7, a metal armor, 8, an outer sheath, 9, a filling material, 51, a metal material body, 52 and a solid conductive film.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Embodiment one, given by fig. 1-3, the utility model discloses a conductor sinle silk 1, conductor sinle silk 1 outside from interior to exterior is equipped with semiconductive shield layer 2, insulating layer 3, outer semiconductive shield layer 4, metal shielding layer 5, inner sheath 6, metal armor 7 and oversheath 8, and conductor sinle silk 1, semiconductive shield layer 2, insulating layer 3, outer semiconductive shield layer 4 and metal shielding layer 5 constitute the cable core and are wrapped up by inner sheath 6, metal armor 7 and oversheath 8, metal shielding layer 5 is nanometer film aluminium base sinle silk, and metal shielding layer 5 includes metal material body 51 and solid state conducting film 52, metal material body 51 wraps up outside semiconductive shield layer 4, and the internal surface of metal material body 51 is provided with solid state conducting film 52; the metal material body 51 uses aluminum or an aluminum alloy as a base material; the solid conductive film 52 is combined with the inner wall surface of the metal material body 51 in the form of chemical bonds and has a thickness of nanometer level; the inner sheath 6, the metal armor 7 and the outer sheath 8 are internally wrapped with a cable core, and the structure is a single-core cable;

the single-core cable is composed of a conductor wire core 1, a semi-conductive shielding layer 2, an insulating layer 3, an outer semi-conductive shielding layer 4, a metal shielding layer 5, an inner sheath 6, a metal armor 7 and an outer sheath 8, the single-core cable is provided with a nanoscale film aluminum-based wire core (the metal shielding layer 5), the structure is compact and reasonable, the mechanical performance meets the production requirement of the power cable, the electrical performance meets the short circuit requirement of the power cable during current-carrying operation and fault, the corrosion resistance meets the corrosion resistance requirement of the cable in a channel or direct burial mode, even if the cable is affected with damp, the conductor cannot be corroded, and the service life of the cable is prolonged.

In the second embodiment, based on the first embodiment, as shown in fig. 4 to 5, the structure in which the inner sheath 6, the metal armor 7 and the outer sheath 8 enclose three cable cores is a three-core cable; three cable cores in the three-core cable are arranged in a triangular shape, and filling materials 9 are arranged in gaps among the three cable cores for filling;

the three-core cable is composed of a conductor wire core 1, a semi-conductive shielding layer 2, an insulating layer 3, an outer semi-conductive shielding layer 4, a metal shielding layer 5, an inner sheath 6, a metal armor 7, an outer sheath 8 and filler 9, and is compact and reasonable in structure by being provided with a nanoscale film aluminum-based wire core (the metal shielding layer 5), wherein the mechanical property meets the production requirement of the power cable, the electrical property meets the short circuit requirement of the power cable during current-carrying operation and fault, the corrosion resistance meets the corrosion resistance requirement of the cable during channel or direct burial, the lead is not corroded even if the cable is affected with damp, and the service life of the cable is prolonged.

The working principle is as follows:

the utility model discloses well power cable structure is by conductor sinle silk 1, semiconduction shielding layer 2, insulating layer 3, outer semiconduction shielding layer 4, metal shielding layer 5, inner sheath 6, the cable that metal armor 7 and oversheath 8 are constituteed is equipped with aluminium base sinle silk of nanometer film (metal shielding layer 5), compact structure is reasonable, wherein mechanical properties satisfies power cable's production requirement, the short circuit requirement when electrical properties satisfies power cable current-carrying operation and trouble, corrosion resistance satisfies the corrosion-resistant requirement of cable when channel or direct burial, even if also enable the wire not corroded under the condition that the cable wets, the life of cable has been prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power cable structure with aluminium base wire of nanometer film, includes conductor sinle silk (1), its characterized in that: the conductor wire core (1) is externally provided with a semi-conductive shielding layer (2), an insulating layer (3), an outer semi-conductive shielding layer (4), a metal shielding layer (5), an inner sheath (6), a metal armor (7) and an outer sheath (8) from inside to outside, and the conductor wire core (1), the semi-conductive shielding layer (2), the insulating layer (3), the outer semi-conductive shielding layer (4) and the metal shielding layer (5) form a cable core which is wrapped by an inner sheath (6), a metal armor (7) and an outer sheath (8), the metal shielding layer (5) is a nano-scale film aluminum-based wire core, and the metal shielding layer (5) comprises a metal material body (51) and a solid conductive film (52), the metal material body (51) is wrapped outside the outer semi-conductive shielding layer (4), and the inner surface of the metal material body (51) is provided with a solid conductive film (52).

2. The structure of a power cable provided with nanoscale thin-film aluminum-based conductors as claimed in claim 1, characterized in that said body (51) of metallic material is based on aluminum or an aluminum alloy.

3. The structure of a power cable provided with nanoscale thin-film aluminum-based conductors as claimed in claim 1, wherein said solid-state conductive film (52) is chemically bonded to the inner wall surface of the metallic material body (51) and has a nanoscale thickness.

4. The power cable structure provided with the nanoscale thin-film aluminum-based conductor according to claim 1, characterized in that the structure in which one cable core is wrapped in the inner sheath (6), the metal armor (7) and the outer sheath (8) is a single core cable.

5. The power cable structure provided with the nanoscale thin-film aluminum-based wires is characterized in that the structure with the inner sheath (6), the metal armor (7) and the outer sheath (8) wrapped with the three cable cores is a three-core cable, and the three cable cores are arranged in a triangle.

6. The power cable structure provided with the nanoscale thin-film aluminum-based wires according to claim 5, wherein three cable cores in the three-core cable are arranged in a triangular shape, and gaps among the three cable cores are filled with filling materials (9).