CN211699760U

CN211699760U - Saline-alkali resistant communication cable

Info

Publication number: CN211699760U
Application number: CN202020465011.8U
Authority: CN
Inventors: 沈庆录
Original assignee: Wuhan Shenyu Special Wire And Cable Co ltd
Current assignee: Wuhan Shenyu Special Wire And Cable Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2020-10-16
Anticipated expiration: 2030-04-02

Abstract

The utility model relates to a saline and alkaline resistant communication cable, including electric power sinle silk, stainless steel optic fibre sinle silk, control sinle silk, drainage line, earth core, Y type shielding baffle, band layer, internal insulation layer, outer shielding layer, water blocking layer, temperature resistant layer, sheath, anticorrosive coating, outer insulating layer, wrap up one in the band layer Y type shielding baffle, Y type shielding baffle will band layer space falls into three interval, electric power sinle silk with earth core stainless steel optic fibre sinle silk control sinle silk with the drainage line is located respectively in three interval, set gradually from outside in the band layer the insulating layer outer shielding layer the water blocking layer temperature resistant layer the sheath anticorrosive coating the outer insulating layer. For current cable, the utility model relates to a performance such as cable anti-interference, anticorrosion and salt and alkali resistance is better, and has special properties such as low smoke and zero halogen, low toxicity.

Description

Saline-alkali resistant communication cable

Technical Field

The utility model relates to a communication cable field especially relates to a resistant saline and alkaline communication cable.

Background

In recent years, with the development of social economy, the power and telecommunication industries have penetrated into daily life, and cables are widely used as carriers of signal transmission. The communication cables are classified according to different cable use environments, and the communication cables are mainly classified into two types, namely, the communication cables are used indoors and are protected by buildings or protective equipment to avoid direct sunlight irradiation and rain; the other type is a communication cable used outdoors, no special protection measures are provided, and the communication cable is irradiated by sunlight and is subjected to rain. In the prior art, under the condition that some communication cables are not protected by protection measures, once the communication cables are corroded by moisture, water and saline alkali in hot and humid areas, conductors are oxidized and corroded, so that signal transmission errors are caused, and the normal operation of communication facilities is influenced.

Disclosure of Invention

In order to overcome the technical defects. An object of the utility model is to provide a waterproof, resistant saline and alkaline and anticorrosive resistant saline and alkaline communication cable.

The utility model discloses a realize above-mentioned purpose, realize through following technical scheme, a saline and alkaline resistant communication cable, including power core, stainless steel optic fibre sinle silk, control sinle silk, drainage line, ground core, Y type shielding baffle, band layer, internal insulation layer, outer shielding layer, water blocking layer, temperature resistant layer, sheath, anticorrosive coating, outer insulating layer, wrap up one in the band layer Y type shielding baffle, Y type shielding baffle will the space falls into three interval in the band layer, power core stainless steel optic fibre sinle silk the control sinle silk is located respectively in three interval, ground core with power core is located same interval, the drainage line with control sinle silk is located same interval, band layer skin sets gradually from inside to outside the internal insulation layer the outer shielding layer water blocking layer temperature resistant layer, The sheath, the anticorrosive coating and the outer insulating layer.

In order to improve the electromagnetic field generated due to the unsmooth surface of the conductor and prevent the partial discharge phenomenon between the conductor and the insulating layer, the power line core and the control line core sequentially comprise the conductor, the shielding layer and the insulating layer from inside to outside.

In order to improve the anti-interference capability of the cable and ensure that the optical fiber is not influenced by the environment, the stainless steel optical fiber core sequentially comprises the optical fiber, a stainless steel shielding layer and a protective sleeve from inside to outside, and the stainless steel shielding layer is a metal pipe network which is woven by stainless steel and has the density of more than or equal to 80%.

In order to improve the tensile strength and flexibility of the conductor and slow down the oxidation of a conductor material, the conductor is formed by stranding a plurality of metal-plated annealed soft copper wires, the shielding layer is a metal net which is woven by iron-nickel alloy and has the density of more than or equal to 80%, and the insulating layer is made of a rubber material.

In order to improve mutual interference of electromagnetic waves among various wire cores, the space in the belting layer is divided into three sections by the Y-shaped shielding partition plate, the power wire core, the stainless steel optical fiber wire core and the control wire core are respectively positioned in the three sections, the grounding wire core and the power wire core are positioned in the same section, the drainage wire and the control wire core are positioned in the same section, the Y-shaped shielding partition plate is made of metal plates, and the shielding performance of the metal plates is higher than that of a metal net.

In order to improve the water-blocking effect, the water-blocking layer is a split-phase water-blocking filling material.

When the environment has saline and alkaline nature, will produce the destruction to the cable structure, for the life of improvement cable, improve the mechanical properties of cable simultaneously, the sheath is low smoke and zero halogen resistant saline and alkaline elastic material.

In order to improve the insulation property of the cable, an insulating layer is required to be coated outside the cable, and the oil-impregnated paper has the characteristics of good aging resistance and low possibility of breaking, and is used as the outer insulating layer.

The beneficial effects of the utility model reside in that:

compared with the prior art, the utility model adopts the multilayer shielding layer, especially the use of the Y-shaped shielding baffle plate, thereby effectively improving the mutual interference among various wire cores and the external signal interference; the shielding layer is arranged between the conductor and the insulating layer in the wire core, so that an electromagnetic field generated due to unsmooth surface of the conductor is improved, a partial discharge phenomenon between the conductor and the insulating layer is prevented, the safe use of the cable is ensured, and meanwhile, the cable has an anti-interference effect; the conductor is coated with a plurality of insulating layers, so that the insulating effect and the high-voltage resistance of the cable can be improved, the use safety of the cable is ensured, the aging of the cable is effectively slowed down, and the service life of the cable is prolonged; the sheath is made of low-smoke halogen-free saline-alkali resistant elastic material, so that the damage of the saline-alkali property in the environment to the cable is effectively eliminated, and the mechanical property of the cable is improved; finally, a water-resistant layer, a temperature-resistant layer, an anti-corrosion coating and a sheath are arranged in the cable structure, so that the cable is prevented from being damaged by corrosive substances in the environment, the normal use of the cable under the conditions of low temperature and high temperature is ensured, and the service life of the cable is prolonged; finally, each conductor is formed by twisting a plurality of metal-plated annealed soft copper wires, and the cable is reasonable and scientific in structure, small in outer diameter, good in flexibility and convenient to install and lay.

Drawings

Fig. 1 is the structural schematic diagram of the saline-alkali resistant communication cable of the present invention.

In the figure: 1. a power line core; 2. a stainless steel optical fiber core; 3. a control wire core; 4. a drainage wire; 5. a grounding wire core; 6. a Y-shaped shielding partition plate; 7. a belting layer; 8. an inner insulating layer; 9. an outer shield layer; 10. a water resistant layer; 11. a temperature resistant layer; 12. a sheath; 13. an anti-corrosion coating; 14. an outer insulating layer; 15. a conductor; 16. a shielding layer; 17. an insulating layer; 201. an optical fiber; 202. a stainless steel shielding layer; 203. and (6) a protective sleeve.

Detailed Description

As shown in figure 1, a saline-alkali resistant communication cable, including power core 1, stainless steel optic fibre sinle silk 2, control sinle silk 3, drainage wire 4, ground core 5, Y type shielding baffle 6, band layer 7, internal insulation layer 8, external shielding layer 9, water blocking layer 10, temperature resistant layer 11, sheath 12, anticorrosive coating 13, external insulation layer 14, wrap up a Y type shielding baffle 6 in band layer 7, Y type shielding baffle 6 divides into three interval with band layer (7) inner space, power core 1, stainless steel optic fibre sinle silk 2, control sinle silk 3 are located respectively in three interval, ground core 5 with power sinle silk 1 is located same interval, drainage wire 4 with control sinle silk 3 is located same interval, band layer 7 outer sets gradually internal insulation layer 8, external shielding layer 9 from inside to outside, A water-resistant layer 10, a temperature-resistant layer 11, a sheath 12, an anti-corrosion coating 13 and an outer insulating layer 14.

In order to improve the electromagnetic field generated by the unsmooth surface of the conductor 15 and prevent the partial discharge phenomenon between the conductor 15 and the insulating layer 17, the power wire core 1 and the control wire core 3 sequentially comprise the conductor 15, the shielding layer 16 and the insulating layer 17 from inside to outside.

In order to improve the anti-interference capability of the cable, the stainless steel optical fiber core 2 sequentially comprises an optical fiber 201, a stainless steel shielding layer 202 and a protective sleeve 203 from inside to outside, the stainless steel shielding layer 202 is a metal pipe network which is woven by stainless steel and has the density of 80%, and the higher the weaving density of the metal pipe network is, the better the shielding effect is.

In order to improve the tensile strength and flexibility of the conductor and slow down the oxidation of the material of the conductor 15, the conductor 15 is formed by stranding a plurality of metal-plated annealed soft copper wires, the shielding layer 16 is a metal net which is woven by iron-nickel alloy and has the density of 90%, and the insulating layer 17 is made of rubber material.

In order to improve the mutual interference of electromagnetic waves among various wire cores, the power wire core 1, the grounding wire core 5, the stainless steel optical fiber wire core 2, the control wire core 3 and the drainage wire 4 are respectively positioned in three intervals divided by the Y-shaped shielding partition plate 6 in the belting layer 7, the Y-shaped shielding partition plate 6 is a metal plate, the shielding performance of the metal plate is higher than that of a metal net, the Y-shaped shielding partition plate 6 is a metal plate, and the copper plate, the iron plate or the aluminum plate can be selected and used, wherein the shielding effect of the copper plate and the iron plate is basically the same, and the shielding effect of the aluminum plate is.

In order to improve the water-blocking effect, the water-blocking layer 10 is a phase-splitting water-blocking filling material.

When the environment has saline and alkaline nature, will produce the destruction to cable structure, for the life of improvement cable, improve the mechanical properties of cable simultaneously, sheath 12 is the resistant saline and alkaline elastic material of low smoke and zero halogen.

In order to improve the insulation of the cable, an insulating layer needs to be coated outside the cable, and the oil-impregnated paper is a material of the outer insulating layer 14 because the oil-impregnated paper has the characteristics of good aging resistance and low possibility of breaking.

Claims

1. The utility model provides a resistant saline and alkaline communication cable which characterized in that: the cable comprises a power wire core (1), a stainless steel optical fiber wire core (2), a control wire core (3), a drainage wire (4), a grounding wire core (5), a Y-shaped shielding partition plate (6), a belting layer (7), an inner insulating layer (8), an outer shielding layer (9), a water-blocking layer (10), a temperature-resistant layer (11), a sheath (12), an anti-corrosion coating (13) and an outer insulating layer (14), wherein the belting layer (7) is internally wrapped by the Y-shaped shielding partition plate (6), the space in the belting layer (7) is divided into three sections by the Y-shaped shielding partition plate (6), the power wire core (1), the stainless steel optical fiber wire core (2) and the control wire core (3) are respectively positioned in the three sections, the grounding wire core (5) and the power wire core (1) are positioned in the same section, the drainage wire (4) and the control wire core (3) are positioned in the same, the outer layer of the wrapping tape layer (7) is sequentially provided with the inner insulating layer (8), the outer shielding layer (9), the water resisting layer (10), the temperature resistant layer (11), the sheath (12), the anticorrosive coating (13) and the outer insulating layer (14) from inside to outside.

2. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the power line core (1) and the control line core (3) sequentially comprise a conductor (15), a shielding layer (16) and an insulating layer (17) from inside to outside.

3. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the stainless steel optical fiber cable core (2) sequentially comprises an optical fiber (201), a stainless steel shielding layer (202) and a protective sleeve (203) from inside to outside, and the stainless steel shielding layer (202) is a metal pipe network woven by stainless steel and having a density of more than or equal to 80%.

4. The saline-alkali resistant communication cable as claimed in claim 2, wherein: the conductor (15) is formed by twisting a plurality of metal-plated annealed soft copper wires, the shielding layer (16) is a metal net which is woven by iron-nickel alloy and has the density of more than or equal to 80%, and the insulating layer (17) is made of rubber material.

5. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the Y-shaped shielding partition plate (6) is made of a metal plate.

6. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the water-resistant layer (10) is a split-phase water-resistant filling material.

7. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the sheath (12) is made of low-smoke halogen-free elastic material.

8. The saline-alkali resistant communication cable as claimed in claim 1, wherein: the outer insulating layer (14) is oil-impregnated paper.