CN219321073U - Novel low-temperature-resistant flexible cable - Google Patents

Abstract

The utility model discloses a novel low-temperature-resistant flexible cable, which comprises an external rubber layer and an anti-corrosion layer, wherein a metal shielding layer is arranged on the inner side of the external rubber layer, an insulating layer is arranged on the inner side of the metal shielding layer, a polyurethane layer, a polytetrafluoroethylene reinforcing layer and a phenolic resin layer are sequentially arranged in the insulating layer, the polytetrafluoroethylene reinforcing layer is arranged on one side of the polyurethane layer, the phenolic resin layer is arranged on one side of the polytetrafluoroethylene reinforcing layer, flexible copper pipes are arranged on the inner side of the insulating layer and the outer side of the anti-corrosion layer, and a plurality of flexible copper pipes are arranged between the insulating layer and the anti-corrosion layer. The polyurethane layer, the polytetrafluoroethylene reinforced layer and the phenolic resin layer have extremely high resistivity, are materials for blocking the flow of charges, and have high strength and are not easy to damage.

Description

Novel low-temperature-resistant flexible cable

Technical Field

The utility model relates to the technical field of flexible cables, in particular to a novel low-temperature-resistant flexible cable.

Background

A wire made of one or more mutually insulated conductors and an outer insulating protective layer for transmitting power or information from one place to another; typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating. The cable has the characteristics of inner power supply and outer insulation, and is classified into a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.

Such devices on the market today are of a wide variety and can basically meet the use demands of people, but still have a certain problem, but flexible cables may have poor insulation effect when used for a long time, and the cable housing is easy to be electrified.

Disclosure of Invention

The utility model aims to provide a novel flexible cable for solving the problem that the insulation effect is poor in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel flexible cable of low temperature resistant, includes outside rubber layer and corrosion protection layer, the metal shielding layer is installed to the inboard of outside rubber layer, the insulating layer is installed to the inboard of metal shielding layer, polyurethane layer, polytetrafluoroethylene enhancement layer and phenolic resin layer are installed in proper order to the inside of insulating layer, polytetrafluoroethylene enhancement layer is installed to one side of polyurethane layer, phenolic resin layer is installed to one side of polytetrafluoroethylene enhancement layer, the flexible copper pipe is installed with the outside of corrosion protection layer to the inboard of insulating layer, flexible copper pipe installs a plurality ofly between insulating layer and corrosion protection layer.

Preferably, the inner side of the anti-corrosion layer is provided with a protective layer, a cable core is arranged in the protective layer, and the protective layer plays a role in protection.

Preferably, a plurality of cable cores are arranged in the protective layer, the cable cores are mutually spirally wound, and the cable cores have the function of conducting electricity.

Preferably, the glass fiber layer, the epoxy resin layer and the polyethylene layer are sequentially arranged in the anti-corrosion layer, the epoxy resin layer is arranged on one side of the glass fiber layer, the polyethylene layer is arranged on one side of the epoxy resin layer, and the anti-corrosion layer plays a role in protection.

Preferably, the outer side of the polyurethane layer is in contact with the inner side of the metal shielding layer, and the inner side of the phenolic resin layer is in contact with the outer side of the flexible copper pipe.

Preferably, the outer side of the glass fiber layer is in contact with the inner side of the flexible copper pipe, and the inner side of the polyethylene layer is in contact with the outer side of the protective layer.

Compared with the prior art, the utility model has the beneficial effects that: the novel flexible cable has the advantages of reasonable structure, has the following advantages:

(1) The purpose of good insulation effect is achieved through installing polyurethane layer, polytetrafluoroethylene enhancement layer and phenolic resin layer, and current device insulation effect is not good, therefore, polyurethane layer, polytetrafluoroethylene enhancement layer and phenolic resin layer's resistivity is high, is the material that hinders the electric charge flow, and polyurethane layer, polytetrafluoroethylene enhancement layer and phenolic resin layer intensity is high, and is not fragile.

(2) The cable low temperature resistant purpose is realized through installing glass fiber layer, epoxy layer and polyethylene layer, and current device damages under low temperature environment easily, therefore, glass fiber layer, epoxy layer and polyethylene layer have intensity height, toughness are good, wear-resisting, prevent wind, winter protection, difficult fracture when the low temperature to the protection electricity core that can be better.

(3) The effect that cable functionality is strong has been realized through installing outside rubber layer, metal shielding layer and flexible copper pipe, consequently, through installing outside rubber layer, outside rubber layer's intensity is high, the wearability is strong, through being provided with the metal shielding layer, thereby the influence of electromagnetic wave around can shielding to the effect of electrostatic shielding can be played in the effect of metal shielding layer's effective isolated inside and outside electromagnetic wave interference according to the principle of faraday cage, and flexible copper pipe has good bending property, and strengthen the intensity of cable simultaneously, prevent cable length overlength time cable bending radian too big lead to the cable fracture.

Drawings

FIG. 1 is a schematic cross-sectional elevation view of the present utility model;

FIG. 2 is a schematic view of the internal structure of an insulating layer according to the present utility model;

FIG. 3 is a schematic view showing the internal structure of the anticorrosive coating according to the present utility model;

fig. 4 is a schematic side view of the present utility model.

In the figure: 1. an outer rubber layer; 2. a metal shielding layer; 3. an insulating layer; 301. a polyurethane layer; 302. a polytetrafluoroethylene reinforced layer; 303. a phenolic resin layer; 4. a flexible copper tube; 5. an anti-corrosion layer; 501. a glass fiber layer; 502. an epoxy resin layer; 503. a polyethylene layer; 6. a protective layer; 7. a cable core.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a novel flexible cable of low temperature resistant, including outside rubber layer 1 and anticorrosive coating 5, metal shielding layer 2 is installed to the inboard of outside rubber layer 1, metal shielding layer 2 shields outside electromagnetic wave, insulating layer 3 is installed to the inboard of metal shielding layer 2, polyurethane layer 301 is installed in proper order to the inside of insulating layer 3, polytetrafluoroethylene enhancement layer 302 and phenolic resin layer 303, polytetrafluoroethylene enhancement layer 302 is installed to one side of polyurethane layer 301, phenolic resin layer 303 is installed to one side of polytetrafluoroethylene enhancement layer 302, flexible copper pipe 4 is installed to the inboard of insulating layer 3 and the outside of anticorrosive coating 5, flexible copper pipe 4 has played the effect of strengthening the cable, flexible copper pipe 4 installs a plurality ofly between insulating layer 3 and anticorrosive coating 5, the outside of polyurethane layer 301 and the inboard of metal shielding layer 2 contact each other, the inboard of phenolic resin layer 303 and the outside of flexible copper pipe 4 contact each other;

the polyurethane layer 301, the polytetrafluoroethylene reinforced layer 302 and the phenolic resin layer 303 have extremely high resistivity and are materials for blocking the flow of charges, and the polyurethane layer 301, the polytetrafluoroethylene reinforced layer 302 and the phenolic resin layer 303 have high strength and are not easy to damage;

the inner side of the anti-corrosion layer 5 is provided with a protective layer 6, the interior of the protective layer 6 is provided with cable cores 7, a plurality of cable cores 7 are arranged in the interior of the protective layer 6, and the cable cores 7 are mutually spirally wound;

the glass fiber layer 501, the epoxy resin layer 502 and the polyethylene layer 503 are sequentially arranged in the anti-corrosion layer 5, the epoxy resin layer 502 is arranged on one side of the glass fiber layer 501, the polyethylene layer 503 is arranged on one side of the epoxy resin layer 502, the outer side of the glass fiber layer 501 is in contact with the inner side of the flexible copper pipe 4, and the inner side of the polyethylene layer 503 is in contact with the outer side of the protective layer 6;

the glass fiber layer 501, the epoxy resin layer 502 and the polyethylene layer 503 have the advantages of high strength, good toughness, wear resistance, wind resistance, cold resistance and difficult fracture at low temperature, so that the battery core can be better protected.

By installing the outer rubber layer 1, the outer rubber layer 1 has high strength and strong wear resistance, the metal shielding layer 2 can shield the influence of surrounding electromagnetic waves, the flexible copper pipe 4 has good bending performance, the strength of the cable is enhanced, and cable breakage caused by overlarge bending radian of the cable when the cable is too long is prevented;

this embodiment is when using, through putting the device suitable position, through installing outside rubber layer 1, the intensity of outside rubber layer 1 is high, the wearability is strong, and the influence of electromagnetic wave around the metal shield layer 2 can be shielded, and flexible copper pipe 4 can strengthen the intensity of cable, prevent cable length overlength time cable crooked radian too big lead to the cable fracture, through installing polyurethane layer 301, polytetrafluoroethylene enhancement layer 302 and phenolic resin layer 303, polyurethane layer 301, polytetrafluoroethylene enhancement layer 302 and phenolic resin layer 303's resistivity is high, be the material that hinders the electric charge flow, and polyurethane layer 301, polytetrafluoroethylene enhancement layer 302 and phenolic resin layer 303 intensity is high, not fragile, glass fiber layer 501, epoxy layer 502 and polyethylene layer 503 have intensity is high, toughness is good, wear resistance, prevent wind, the winter protection, be difficult for breaking when low temperature), thereby protection core that can be better, and 6 further protect inside core, the practicality is strong.

Claims (6)

1. A novel low temperature resistant flexible cable, characterized in that: including outside rubber layer (1) and corrosion protection layer (5), metal shielding layer (2) are installed to the inboard of outside rubber layer (1), insulating layer (3) are installed to the inboard of metal shielding layer (2), polyurethane layer (301), polytetrafluoroethylene enhancement layer (302) and phenolic resin layer (303) are installed in proper order to the inside of insulating layer (3), polytetrafluoroethylene enhancement layer (302) are installed to one side of polyurethane layer (301), phenolic resin layer (303) are installed to one side of polytetrafluoroethylene enhancement layer (302), flexible copper pipe (4) are installed to the inboard of insulating layer (3) and the outside of corrosion protection layer (5), flexible copper pipe (4) install a plurality of between insulating layer (3) and corrosion protection layer (5).

2. The novel low temperature resistant flexible cable of claim 1, wherein: the inner side of the anti-corrosion layer (5) is provided with a protective layer (6), and a cable core (7) is arranged in the protective layer (6).

3. The novel low temperature resistant flexible cable of claim 2, wherein: the cable cores (7) are arranged in the protective layer (6), and the cable cores (7) are spirally wound with each other.

4. The novel low temperature resistant flexible cable of claim 1, wherein: the anti-corrosion coating is characterized in that a glass fiber layer (501), an epoxy resin layer (502) and a polyethylene layer (503) are sequentially arranged in the anti-corrosion coating (5), the epoxy resin layer (502) is arranged on one side of the glass fiber layer (501), and the polyethylene layer (503) is arranged on one side of the epoxy resin layer (502).

5. The novel low temperature resistant flexible cable of claim 1, wherein: the outer side of the polyurethane layer (301) is in contact with the inner side of the metal shielding layer (2), and the inner side of the phenolic resin layer (303) is in contact with the outer side of the flexible copper pipe (4).

6. The novel low temperature resistant flexible cable of claim 4, wherein: the outer side of the glass fiber layer (501) is in contact with the inner side of the flexible copper pipe (4), and the inner side of the polyethylene layer (503) is in contact with the outer side of the protective layer (6).

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