CN217847494U - Large-section wire with magnetic field prevention function - Google Patents

Abstract

The utility model relates to a wire field specifically is a large cross section wire with antimagnetic field function, including the outer protective layer, the inboard bonding of outer protective layer has insulating protective layer, the inboard bonding of insulating protective layer has fire-retardant layer, the inboard bonding on fire-retardant layer has corrosion resistant layer, the inboard bonding on corrosion resistant layer has antimagnetic field layer, the inboard fixedly connected with aluminium strand core on antimagnetic field layer, the outside fixedly connected with waterproof layer of outer protective layer. The device carries out dual protection to the wire through flame retardant coating and corrosion resistant layer, and thermoplastic polyimide has good high low temperature resistance, can not warp at 269 ℃ below zero-280 ℃ for a long time, and the thermal decomposition temperature can reach 600 ℃ at most, and the corrosion resistant layer of nickel base corrosion resistant alloy material has high strength, good plasticity and toughness, has good cold and hot deformation resistance effect, makes the big cross-section wire can not appear the condition of spontaneous combustion because its inside heat is higher after using for a long time.

Description

Large-section wire with magnetic field prevention function

Technical Field

The utility model relates to a wire field specifically is a large cross-section wire with antimagnetic field function.

Background

With the rapid development of photovoltaic industry and electric power industry, the traditional wire industry brings great convenience to the electric power field, and the wire is used as a material of wires and cables, is also used as a wire in industry, is generally made of copper or aluminum, and is also made of silver wires and used for dredging current or conducting heat.

Present big cross-section wire can produce great heat in the use, use the long time back when the wire, wearing and tearing appear easily in wire protective housing side, when the heat reaches the melting point of wire protective housing, the condition such as spontaneous combustion appears easily in the wire, and the wire uses materials such as steel band, steel wire, copper product to shield, the side of steel band, steel wire, copper product is less with the inside laminating of wire core for the wire shields electromagnetic effect relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a big cross-section wire with prevent magnetic field function to propose the problem of the condition such as the easy spontaneous combustion that appears of wire, the relatively poor of effect of wire shielding electromagnetism in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a large-section lead with a magnetic field prevention function comprises an outer protection layer, wherein an insulating protection layer is bonded on the inner side of the outer protection layer, a flame-retardant layer is bonded on the inner side of the insulating protection layer, a corrosion-resistant layer is bonded on the inner side of the flame-retardant layer, a magnetic field prevention layer is bonded on the inner side of the corrosion-resistant layer, and an aluminum stranded wire core is fixedly connected on the inner side of the magnetic field prevention layer;

the outer side of the outer protective layer is fixedly connected with a waterproof layer, and fluorescent powder is coated on the outer side of the waterproof layer.

Preferably, the magnetic field prevention layer is a double-oriented silicon steel sheet with the thickness of 5 mm.

Preferably, the thickness of the flame-retardant layer is twice of that of the magnetic field prevention layer, and the material of the flame-retardant layer is thermoplastic polyimide.

Preferably, the waterproof layer is made of butyl rubber, and the thickness of the waterproof layer is 3mm.

Preferably, the material of the outer protection layer is a carbon fiber reinforced epoxy resin composite material.

Preferably, the corrosion-resistant layer is made of nickel-based corrosion-resistant alloy, and a polyurethane paint layer is coated on the side surface of the corrosion-resistant layer.

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

the utility model discloses in, carry out duplicate protection through fire-retardant layer and corrosion-resistant layer to the wire, the thermoplasticity polyimide has good high low temperature resistance performance, can be long-term at 269 ℃ -280 ℃ indeformable, the thermal decomposition temperature can reach 600 ℃ at most, and the corrosion-resistant layer of nickel base corrosion-resistant alloy material has intensity height, ductility and toughness is good, has good cold and hot deformation resistance effect for big cross-section wire can not appear the condition of spontaneous combustion because its inside heat is higher after using the longer time.

The utility model discloses in, have surface leveling, thickness even, towards the characteristics that the piece nature is good through two orientation silicon steel sheet, and have good antimagnetic performance for the side on antimagnetic field layer is comparatively sealed with the side contact of aluminium strand core, makes two orientation silicon steel sheet better to the effect of line shielding electromagnetism.

Drawings

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

FIG. 2 is a sectional view of the present invention showing a partial three-dimensional structure;

fig. 3 is a schematic view of a partial three-dimensional structure of the present invention.

In the figure: 1. an outer protective layer; 2. an insulating protective layer; 3. a flame retardant layer; 4. a corrosion resistant layer; 5. a magnetic field prevention layer; 6. an aluminum stranded wire core; 7. a waterproof layer; 8. and (4) fluorescent powder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 the staff with ordinary skill in the art without creative work all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a large-section lead with a magnetic field prevention function comprises an outer protection layer 1, wherein an insulation protection layer 2 is bonded on the inner side of the outer protection layer 1, a flame retardant layer 3 is bonded on the inner side of the insulation protection layer 2, a corrosion resistant layer 4 is bonded on the inner side of the flame retardant layer 3, a magnetic field prevention layer 5 is bonded on the inner side of the corrosion resistant layer 4, and an aluminum stranded wire core 6 is fixedly connected on the inner side of the magnetic field prevention layer 5;

the outer side of the outer protection layer 1 is fixedly connected with a waterproof layer 7, and the outer side of the waterproof layer 7 is coated with fluorescent powder 8.

In this embodiment, as shown in fig. 2 and 3, the antimagnetic field layer 5 is a dual-orientation silicon steel sheet with a thickness of 5mm, and the dual-orientation silicon steel sheet has the characteristics of flat surface, uniform thickness, good stamping property, excellent antimagnetic property, and the like.

In this embodiment, as shown in fig. 2 and 3, the thickness of the flame-retardant layer 3 is twice that of the magnetic field prevention layer 5, and the material of the flame-retardant layer 3 is thermoplastic polyimide, which has characteristics of corrosion resistance, fatigue resistance, damage resistance, impact resistance, low density, low noise, long service life, and excellent high and low temperature resistance, and can not deform at-269 ℃ to 280 ℃ for a long time, and the thermal decomposition temperature can reach 600 ℃ at most.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 3, the waterproof layer 7 is made of butyl rubber, the thickness of the waterproof layer 7 is 3mm, and the butyl rubber has good chemical stability and thermal stability, and most prominently, air tightness and water tightness.

In this embodiment, as shown in fig. 2 and 3, the material of the outer protection layer 1 is a carbon fiber reinforced epoxy resin composite material, the specific strength and specific modulus of the carbon fiber reinforced epoxy resin composite material are the highest among the existing engineering materials, and the carbon fiber has the characteristics of high temperature resistance, friction resistance, electric conductivity, heat conduction, corrosion resistance, and the like.

In this embodiment, as shown in fig. 2 and 3, the corrosion-resistant layer 4 is made of a nickel-based corrosion-resistant alloy, and a polyurethane paint layer is coated on the side surface of the corrosion-resistant layer 4, the nickel-based corrosion-resistant alloy has high strength and good ductility and toughness, and can be smelted, cast, deformed by cold and heat, formed by machining, welded, and the like, and the polyurethane paint has the characteristics of tough paint film, full gloss, strong adhesion, water resistance, wear resistance, corrosion resistance, and the like.

The utility model discloses a use method and advantage: when the large-section lead with the function of preventing the magnetic field is used, the working process is as follows:

as shown in fig. 1, 2 and 3, the wire is doubly protected by the flame-retardant layer 3 and the corrosion-resistant layer 4, the thermoplastic polyimide has a long service life, still has good flame retardancy after the wire is used for a long time, has excellent high and low temperature resistance, can not deform at 269-280 ℃ for a long time, has a thermal decomposition temperature of up to 600 ℃, and the corrosion-resistant layer 4 made of the nickel-based corrosion-resistant alloy has high strength, good plastic toughness and good cold and heat deformation resistance, so that the large-section wire cannot generate spontaneous combustion due to high internal heat after being used for a long time.

The material through antimagnetic field layer 5 is the bi-oriented silicon steel sheet, and the bi-oriented silicon steel sheet has the characteristics of level and smooth surface, uniform thickness and good punching performance, and has excellent antimagnetic performance, so that the side surface of antimagnetic field layer 5 is sealed with the side surface of aluminum twisted wire core 6, and no large gap exists, thereby isolating the electromagnetism and ensuring that the effect of shielding the electromagnetism by the bi-oriented silicon steel sheet is good.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a big cross-section wire with antimagnetic field function, includes outer protective layer (1), its characterized in that: an insulating protective layer (2) is bonded on the inner side of the outer protective layer (1), a flame-retardant layer (3) is bonded on the inner side of the insulating protective layer (2), a corrosion-resistant layer (4) is bonded on the inner side of the flame-retardant layer (3), a magnetic field preventing layer (5) is bonded on the inner side of the corrosion-resistant layer (4), and an aluminum stranded wire core (6) is fixedly connected on the inner side of the magnetic field preventing layer (5);

the outer side of the outer protection layer (1) is fixedly connected with a waterproof layer (7), and fluorescent powder (8) is coated on the outer side of the waterproof layer (7).

2. The large-section wire with the function of preventing the magnetic field according to claim 1, wherein: the magnetic field prevention layer (5) is made of a double-oriented silicon steel sheet with the thickness of 5 mm.

3. The large-section wire with the function of preventing the magnetic field according to claim 1, wherein: the thickness of the flame-retardant layer (3) is twice that of the antimagnetic field layer (5), and the material of the flame-retardant layer (3) is thermoplastic polyimide.

4. The large-section wire with the function of preventing the magnetic field according to claim 1, wherein: the waterproof layer (7) is made of butyl rubber, and the thickness of the waterproof layer (7) is 3mm.

5. The large-section wire with the function of preventing the magnetic field according to claim 1, wherein: the outer protection layer (1) is made of a carbon fiber reinforced epoxy resin composite material.

6. The large-section wire with the function of preventing the magnetic field according to claim 1, wherein: the material of the corrosion-resistant layer (4) is nickel-based corrosion-resistant alloy, and a polyurethane paint layer is coated on the side surface of the corrosion-resistant layer (4).

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