CN219716492U - Cable with protection function - Google Patents

Cable with protection function Download PDF

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Publication number
CN219716492U
CN219716492U CN202320309769.6U CN202320309769U CN219716492U CN 219716492 U CN219716492 U CN 219716492U CN 202320309769 U CN202320309769 U CN 202320309769U CN 219716492 U CN219716492 U CN 219716492U
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China
Prior art keywords
cable
layer
flame
retardant
fireproof
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CN202320309769.6U
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Chinese (zh)
Inventor
张海涛
钟建庆
林顺豪
林震顺
林顺杰
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Guangdong Huanwei Wires And Cables Co ltd
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Guangdong Huanwei Wires And Cables Co ltd
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Abstract

The utility model discloses a cable with a protection function, wherein the cross section of the cable with the protection function is of an annular structure, and the cable comprises: the waterproof layer is arranged on the packaging layer; the waterproof layer, the fireproof layer and the packaging layer are sequentially arranged from inside to outside by taking the conductive unit as a center; the conductive unit comprises a plurality of wire cores, the conductive unit is cylindrical, and fireproof materials are arranged at the gaps between the inner walls of the conductive unit and the wire cores for filling; according to the cable with the protection function, the conductive unit is arranged in the cable with the annular structure and comprises the plurality of wire cores, the outer surface is arranged on the inner side wall of the cable core, which is attached to the fireproof material, the flame-retardant pipe is arranged at the gap between the outer surface and the metal conductive wire, the periphery of the conductive unit is also provided with the fireproof layer, the fireproof layer comprises the flame-retardant pipe, and the nesting arrangement mode of the plurality of flame-retardant pipes is nested so that the whole cable is additionally provided with the flame-retardant effect.

Description

Cable with protection function
Technical Field
The utility model relates to the technical field of industrial wires, in particular to a cable with a protection function.
Background
Along with the acceleration of manufacturing industry, industrial cable is widely used in engineering capital construction and on the relevant scene of equipment power consumption, and the user is paid attention to the security behind the installation of industrial cable gradually, and current industrial cable bulk material is mostly crosslinked polyethylene material, installs the back near tunnel, irrigation ditch and air-raid shelter, receives the conflagration easily, and water trouble and rodent gnaws external factors such as stings and cause the cable to damage, and current non-fire-retardant fire-resistant cable is very easily destroyed in the flame. Because the materials used for the industrial cable can emit harmful gases in the combustion process, the construction personnel can be injured. Thus resulting in poor rat and termite resistance and flame retardance of the industrial cable as a whole. The existing industrial cable in the current market has the problem of poor flame retardant property in the use process.
Disclosure of Invention
The embodiment of the utility model provides a cable with a protection function, and the cable with the protection function aims to solve the problem of flame retardance in the prior art.
A cable with a protective function, wherein the cross section of the cable with the protective function is of a ring-shaped structure, and the cable comprises: packaging layer, waterproof layer, flame retardant coating, conductive unit.
The waterproof layer, the fireproof layer and the packaging layer are sequentially arranged from inside to outside by taking the conductive unit as a center;
the conductive unit comprises a plurality of wire cores, the conductive unit is cylindrical, and fireproof materials are arranged at the gaps between the inner walls of the conductive unit and the wire cores for filling.
The wire core laminating the inside wall of fire-proof material is provided with outer skin, the clearance department between outer skin and the metal electric wire is provided with fire-retardant pipe.
The fireproof layer is of a double-layer annular structure and comprises an inner surface skin and a flame-retardant pipe sleeved on the periphery of the inner surface skin.
The packaging layer is a nylon packaging layer, and the packaging layer is attached to the periphery of the fireproof layer for wrapping.
A cable with a protection function, wherein metal conductive wires in a wire core are formed by twisting a plurality of strands of metal wires.
A cable with protective function, wherein an inner protective sleeve is further arranged between the metal conductive wire and the flame retardant pipe.
The cable core is characterized in that an inner protective sleeve shell, a flame-retardant pipe and an outer surface are sequentially arranged in the cross section from inside to outside by taking the metal conductive wire as a center, and an inner protective sleeve shell is further arranged between the metal conductive wire and the flame-retardant pipe.
A cable with protective function, wherein the inner sheath shell is a crosslinked polyethylene sheath shell.
The cable with the protection function comprises a cable core, wherein a sleeve, a water blocking tape and an inner protective layer are sequentially arranged on the cross section of the cable core from inside to outside by taking the metal conductive wire as a center.
The cross section of waterproof layer is three-layer annular structure, just three-layer annular structure includes sleeve, water blocking strip and the interior sheath of glass fiber structure, interior sheath is the polyethylene interior sheath.
The cable with the protection function comprises a glass fiber sleeve, a water blocking tape and a ratio of the radius of the inner protective layer to the radius of the cable with the protection function, wherein the ratio is not less than 20%.
The cable with the protection function is characterized in that the flame-retardant pipe is a halogen-free low-smoke flame-retardant ceramic polyolefin flame-retardant pipe.
Compared with the prior art, the utility model has the following advantages:
according to the cable with the protection function, the conductive unit is arranged in the cable with the annular structure and comprises the plurality of wire cores, the outer surface is arranged on the inner side wall of the cable core, which is attached to the fireproof material, the flame-retardant pipe is arranged at the gap between the outer surface and the metal conductive wire, the periphery of the conductive unit is also provided with the fireproof layer, the fireproof layer comprises the flame-retardant pipe, and the nesting arrangement mode of the plurality of flame-retardant pipes is nested so that the whole cable is additionally provided with the flame-retardant effect.
In addition, waterproof layer and nylon material's packaging layer are still installed to the inside of cable for the cable after the installation has the water-proof effects additional, improves the holistic protective properties of cable.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a structural diagram of a cable with a protection function according to an embodiment of the present utility model;
fig. 2 is a diagram of a conductive unit structure of a cable with protection function according to an embodiment of the present utility model;
fig. 3 is a wire core structure diagram of a cable with a protection function according to an embodiment of the present utility model.
1 conductive unit, 2 wire core, 11 metal conductive wire, 12 inner protective sleeve, 13 flame-retardant pipe, 14 fireproof material, 21 glass fiber sleeve, 22 water-blocking belt, 23 inner protective layer of polyethylene structure, 30 inner skin and 40 packaging layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
The embodiment of the utility model provides a cable with a protection function, and the cable with the protection function aims to solve the problem of flame retardance in the prior art.
In an embodiment of the present utility model, please refer to fig. 1 and fig. 2, as shown in the accompanying drawings, wherein a cross section of the cable with a protection function is a ring structure, and the cable includes: a packaging layer 40, a waterproof layer (not shown), a fireproof layer (not shown), and a conductive unit 1.
A waterproof layer, a fireproof layer and a packaging layer 40 are sequentially arranged from inside to outside by taking the conductive unit 1 as a center;
the conductive unit 1 comprises a plurality of wire cores 2, the conductive unit 1 is cylindrical, and a fireproof material 14 is arranged at a gap between the inner wall of the conductive unit 1 and the wire cores 2 for filling.
The inner side wall of the wire core 2, which is attached to the fireproof material 14, is provided with an outer surface, and a flame-retardant pipe 13 is arranged at a gap between the outer surface and the metal conductive wire 15.
The fireproof layer is of a double-layer annular structure and comprises an inner surface skin 30 and a flame-retardant pipe 13 sleeved on the periphery of the inner surface skin 30.
The packaging layer 40 is a nylon packaging layer, and the packaging layer 40 is attached to the periphery of the fireproof layer for wrapping.
Specifically, the cross section of the cable with the protection function is of an annular structure, a plurality of flame retardant pipes 13 are arranged in the cable, the flame retardant pipe 13 body is a flame retardant pipe made of halogen-free low-smoke flame retardant ceramic polyolefin material, and the halogen-free low-smoke flame retardant ceramic polyolefin material has a flame retardant function, so that the flame retardant layer and the wire core of the added flame retardant pipe have corresponding flame retardant effects, and the overall flame retardance of the cable is further improved.
Specifically, the inner surface layer 30 provided with the fireproof layer adopts a galvanized steel strip double-layer wrapping processing method, so that the cable can be ensured to be impacted and collided by various foreign matters to further protect the cable core from normal use when being installed and used outdoors, and the galvanized steel strip is higher in integral strength and higher in corrosion resistance, so that the galvanized steel strip is used mechanically on the basis of not damaging the original wire, the integral protection capability of the cable is improved, and the integral rat and termite protection capability of the cable is improved.
Further, because most cables need to be laid outdoors, and the cables are erected in ditches, ravines or tunnels, the number of rats and ants in the south is relatively large, a layer of packaging layer is additionally arranged on the outer wall of the halogen-free low-smoke flame-retardant ceramic polyolefin material outer sheath, the packaging layer is made of novel nylon materials, the packaging layer is high in hardness, the surface is very smooth, the wear-resistant and tear-resistant performance is excellent, the chemical properties are stable, formic acid and other acidic substances secreted by insects can be resisted, the overall tear-resistant performance of the cables is further improved by the arrangement mode, the stable operation of other components in the packaging layer is ensured, and the stability of the overall operation of the cables in the transmission operation process is improved.
In the embodiment of the present utility model, please refer to fig. 1 and 3, wherein the metal conductive wire 11 in the core 2 is formed by twisting a plurality of metal wires.
Specifically, stranded metal wires are stranded to form a metal conductive wire to form a single wire core 2, and adjacent wire cores 2 are in contact with each other, so that a plurality of wire cores 2 are wrapped by a fireproof material filled in a conductive unit, and the wire cores 2 are horizontally fixed in the cable.
Further, the wire core is a conductor with good conductivity, and the conductor resistance accords with the specification of GB/T3956-2008.
A cable with protection function, wherein an inner sheath shell 12 is further arranged between the metal conductive wire 15 and the flame retardant pipe 13.
The core 2 is provided with an inner sheath shell 12, a flame-retardant pipe 13 and an outer skin in sequence from inside to outside by taking the metal conductive wire 15 as a center in the cross section, and an inner sheath shell is further arranged between the metal conductive wire 15 and the flame-retardant pipe 13.
Specifically, the sinle silk 2 is three-layer annular structure, and the inside of single sinle silk 2 installs the setting mode of a plurality of cover layers additional to promote the protection effect of itself of sinle silk, promoted single holistic flame retardant efficiency of sinle silk after installing fire-retardant pipe 13 additional, promoted single holistic corrosion-resistant and the high strength's of sinle silk effect after installing the interior protective case of polyethylene additional.
In an embodiment of the present utility model, referring to fig. 1, 2 and 3, a cable with protection function is disclosed, wherein the inner sheath shell 12 is a crosslinked polyethylene sheath shell.
Specifically, the crosslinked polyethylene jacket is a cable material with higher current use rate, the crosslinked polyethylene does not contain plasticizers, does not mildew or grow bacteria, does not contain harmful ingredients, has higher safety and good heat resistance, can withstand 8000 hours of testing in the environment of 110 ℃, has good pressure resistance, has two grades of 12.5bar and 20bar at normal temperature, has certain corrosion resistance, can withstand corrosion of most chemicals, and has good heat insulation effect. And the material can be bent at will, and after the inner sheath shell 12 made of the crosslinked polyethylene is additionally arranged, the material cannot be broken after being tested under strong pressure. The creep strength is high, can cooperate the tubular metal resonator to consolidate, can save the connecting pipe fitting, reduce the installation cost, the user of being convenient for maintains.
Furthermore, the important characteristics of the crosslinked polyethylene are that the strength and the temperature resistance, especially the creep strength of the crosslinked polyethylene, are not remarkably formed along with the change of the service time, the service life can reach 50 years, the halogen-free low-smoke flame-retardant ceramic polyolefin is extruded and wrapped on the crosslinked polyethylene insulating outer sheath, the damage probability of the crosslinked polyethylene after sleeving is reduced, and the integral stability of the cable after being placed and installed is improved.
In the embodiment of the present utility model, referring to fig. 1, a cable with a protection function is disclosed, wherein a sleeve, a water-blocking tape 22 and an inner protection layer 23 are sequentially arranged on the cross section of the cable core 2 from inside to outside with the metal conductive wire as a center;
the cross section of the waterproof layer is of a three-layer annular structure, the three-layer annular structure comprises a sleeve of a glass fiber structure, a water blocking belt 22 and an inner protective layer 23, and the inner protective layer 23 is a polyethylene inner protective layer.
Specifically, the material of the inner protective layer 23 is polyethylene, and the polyethylene is selected as the inner protective layer 23 of the cable because the polyethylene has better water resistance and extremely low water permeability, so that the overall waterproof function of the cable is further improved.
Further, the waterproof layer is integrally processed and designed by adopting a multi-layer wrapping structure, the overall tensile degree of the multi-wrapping fireproof glass ribbon is high, and the cable after the fireproof glass ribbon is additionally arranged has the function of preventing rats and ants from biting due to the fact that the glass ribbon has higher tensile strength, one layer is a flame-retardant water-blocking tape, and the cable is integrally provided with certain flame-retardant performance and longitudinal water-blocking performance after the flame-retardant water-blocking tape is additionally arranged, so that the two functions of flame retardance and rat and termite prevention are further realized.
In the embodiment of the present utility model, referring to fig. 1, a cable with a protection function is disclosed, wherein the ratio of the radii of the glass fiber sleeve, the water blocking tape 22 and the inner sheath 23 to the cable with a protection function is not less than 20%.
Specifically, the covering rate of each layer is not less than 20%, the ratio of each layer of the glass fiber sleeve 21, the water blocking tape 22 and the inner protective layer 23 relative to the whole radius of the cable is not less than 20%, and after the waterproof layer of the three-layer annular structure is added, the waterproof performance of the whole cable with the protection function is further improved.
In the embodiment of the present utility model, please refer to fig. 1, as shown in the drawing, wherein the flame retardant pipe 13 is a halogen-free low smoke flame retardant ceramic polyolefin flame retardant pipe.
Specifically, since the halogen-free low-smoke flame-retardant ceramic polyolefin material is a novel flame-retardant environment-friendly cable material, the cable with the protection function has various flame-retardant characteristics after being additionally provided with the flame-retardant pipe 13 made of the material, and the characteristics include: the metal conductive wire is provided with the crosslinked polyethylene epidermis at the periphery, and the halogen-free low-smoke flame-retardant ceramic polyolefin is extruded on the epidermis.
Further, the traditional cable with the function of preventing mice and ants generally adopts a method of adding chemical additives such as capsaicin, pyrethroid and the like into a sheath to reduce damage of the mice and ants to the cable, the additives generally have toxicity or strong irritation and certain harm to the environment and human bodies, the cable with the protection function is treated in a physical mode aiming at the problems of preventing the mice and ants and flame retardance, and the cable is reprocessed by adopting a nontoxic and environment-friendly material in the arrangement mode, so that the cable has the characteristics of no toxicity and environment protection.
The relevant test parameters of the cable with the protection function are as follows; first: the conductor resistance meets the specification of GB/T3956-2008. Second,: bundled flame retardant test (class a) (fire time: 40min, fire time is the length of time to heat or bake the cable body). Third,: carbonization range: the charring range on the sample should not exceed 2.5m above the bottom edge of the torch. Fourth,: rat-proof properties (rat biting test): the protection grade is obvious, the protection rate is more than or equal to 0.9, no tooth mark exists on the surface of the sample protection layer, or a visual biting mark exists on the surface of the sample protection layer, and the biting depth is less than 1mm. Fifth,: termite-proofing properties (formicary method): the surface of the wire and the cable is not damaged by termites and has no tooth mark when the grade is 1.
According to the cable with the protection function, the conductive unit is arranged in the cable with the annular structure and comprises the plurality of wire cores, the outer surface is arranged on the inner side wall of the cable core, which is attached to the fireproof material, the flame-retardant pipe is arranged at the gap between the outer surface and the metal conductive wire, the periphery of the conductive unit is also provided with the fireproof layer, the fireproof layer comprises the flame-retardant pipe, and the nesting arrangement mode of the plurality of flame-retardant pipes is nested so that the whole cable is additionally provided with the flame-retardant effect.
In addition, waterproof layer and nylon material's packaging layer are still installed to the inside of cable for the cable after the installation has the water-proof effects additional, improves the holistic protective properties of cable.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (7)

1. The utility model provides a cable with safeguard function, its characterized in that, the cross section of cable with safeguard function is annular structure, includes: the waterproof layer is arranged on the packaging layer;
the waterproof layer, the fireproof layer and the packaging layer are sequentially arranged from inside to outside by taking the conductive unit as a center;
the conductive unit comprises a plurality of wire cores, the conductive unit is cylindrical, and fireproof materials are arranged at gaps between the inner wall of the conductive unit and the wire cores for filling;
an outer skin is arranged on the inner side wall, which is attached to the fireproof material, of the wire core, and a flame-retardant pipe is arranged at a gap between the outer skin and the metal conducting wire;
the fireproof layer is of a double-layer annular structure and comprises an inner surface and a flame-retardant pipe sleeved on the periphery of the inner surface;
the packaging layer is a nylon packaging layer, and the packaging layer is attached to the periphery of the fireproof layer for wrapping.
2. The cable with protective function according to claim 1, wherein the metal conductive wires in the core are formed by twisting a plurality of metal wires.
3. The cable with protective function according to claim 1, wherein an inner protective sleeve is further arranged between the metal conductive wire and the flame retardant pipe;
the cable core is characterized in that an inner protective sleeve shell, a flame-retardant pipe and an outer surface are sequentially arranged in the cross section from inside to outside by taking the metal conductive wire as a center, and an inner protective sleeve shell is further arranged between the metal conductive wire and the flame-retardant pipe.
4. A cable having a protective function according to claim 3, wherein the inner sheath is a crosslinked polyethylene sheath.
5. The cable with the protection function according to claim 1, wherein the core is provided with a sleeve, a water-blocking tape and an inner protective layer in sequence from inside to outside with the metal conductive wire as a center in the cross section;
the cross section of waterproof layer is three-layer annular structure, just three-layer annular structure includes sleeve, water blocking strip and the interior sheath of glass fiber structure, interior sheath is the polyethylene interior sheath.
6. The cable with protective function according to claim 5, wherein the ratio of the radii of the sleeve of the glass fiber structure, the water blocking tape and the inner sheath to the cable with protective function is not less than 20%.
7. The cable with the protection function according to claim 1, wherein the flame-retardant pipe is a halogen-free low-smoke flame-retardant ceramic polyolefin flame-retardant pipe.
CN202320309769.6U 2023-02-24 2023-02-24 Cable with protection function Active CN219716492U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320309769.6U CN219716492U (en) 2023-02-24 2023-02-24 Cable with protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320309769.6U CN219716492U (en) 2023-02-24 2023-02-24 Cable with protection function

Publications (1)

Publication Number Publication Date
CN219716492U true CN219716492U (en) 2023-09-19

Family

ID=88004223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320309769.6U Active CN219716492U (en) 2023-02-24 2023-02-24 Cable with protection function

Country Status (1)

Country Link
CN (1) CN219716492U (en)

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