CN218896485U - Anticorrosion underground cable - Google Patents

Abstract

The utility model relates to the technical field of cables and discloses an anti-corrosion underground cable, which comprises a cable body, wherein the cable body comprises a protective layer, an outer layer, an inner layer and a filling layer, the filling layer is arranged in the cable body, the inner layer comprises four wire cores, insulating layers and shielding layers, the insulating layers are wrapped on the outer sides of the wire cores, the shielding layers are arranged on the other side of the insulating layers, and the outer layer comprises a first waterproof layer, an anti-corrosion layer and a second waterproof layer; according to the utility model, through the arrangement of the shielding layer, the interference of external electromagnetic to the cable can be reduced, the cable signal can be conveniently transmitted, the cable core can be protected through the arrangement of the insulating layer, the phenomenon of electric leakage is prevented, and through the arrangement of the first waterproof layer, the anti-corrosion layer and the second waterproof layer, the acid-base salt corrosion substances can be prevented from being corroded, and the groundwater can be prevented from being directly contacted with the cable, so that the anti-corrosion effect is improved.

Description

Anticorrosion underground cable

Technical Field

The utility model relates to the technical field of cables, in particular to an anti-corrosion underground cable.

Background

Cables are a generic term for items such as optical cables and electric cables. The cable has a plurality of purposes, is mainly used for controlling multiple functions such as installation, connection equipment, power transmission and the like, and is a common and indispensable thing in daily life. The underground cable is a cable which is buried in the ground more often than the conventional overhead wire, and is also called an underground cable.

The cable is often laid in cable pit, tunnel, pipeline or indoor, because at present city construction etc. reasons adopt underground cable transmission mode to lay mostly, because underground soil is comparatively moist, and when burying underground for a long time, the cable is very easily caused the injury by corrosive substance to destroyed the composition structure of cable, and then seriously influenced the transmission between the signal, greatly reduced the efficiency of its work.

Disclosure of Invention

The present utility model is directed to an anti-corrosion underground cable, which solves the problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anticorrosion underground cable, includes the cable body, the cable body includes inoxidizing coating, skin, inlayer and filling layer, the filling layer sets up the inside at the cable body, the inlayer includes sinle silk, insulating layer and shielding layer, the quantity of sinle silk has four, the insulating layer parcel is in the outside of sinle silk, the shielding layer sets up the opposite side at the insulating layer, the skin includes first waterproof layer, anticorrosion layer and second waterproof layer, first waterproof layer sets up the opposite side at the shielding layer, the anticorrosion layer sets up the opposite side at first waterproof layer, the second waterproof layer sets up the opposite side of keeping away from first waterproof layer at the anticorrosion layer.

Preferably, the protective layer comprises a reinforcing layer, a wear-resistant layer and an outer protective sleeve, wherein the wear-resistant layer is arranged between the reinforcing layer and the outer protective sleeve, and the outer protective sleeve is arranged at the outermost side of the wear-resistant layer.

Preferably, the anti-corrosion layer is made of neoprene materials, and the first waterproof layer is made of polyurethane materials.

Preferably, a filler is arranged in the filling layer, and the filler is made of glass fiber.

Preferably, the shielding layer is woven by copper wires, and the insulating layer is made of ethylene propylene rubber materials.

Preferably, the outer protective sleeve is made of polyolefin materials.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the arrangement of the shielding layer, the interference of external electromagnetic to the cable can be reduced, the cable signal can be conveniently transmitted, the cable core can be protected through the arrangement of the insulating layer, the phenomenon of electric leakage is prevented, and through the arrangement of the first waterproof layer, the anti-corrosion layer and the second waterproof layer, not only can the acid-base salt corrosion substances be prevented from being corroded, but also the groundwater can be prevented from being directly contacted with the cable, so that the anti-corrosion effect is improved, and the problem that the existing underground cable is easy to be corroded by water, and the anti-corrosion effect is poor is solved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a protective layer according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the outer layer of the present utility model;

FIG. 4 is a schematic cross-sectional view of the inner layer of the present utility model.

In the figure: 1. a cable body; 11. an inner layer; 111. a reinforcing layer; 112. a wear-resistant layer; 113. an outer protective sleeve; 12. an outer layer; 121. a first waterproof layer; 122. an anti-corrosion layer; 123. a second waterproof layer; 13. a protective layer; 131. a wire core; 132. an insulating layer; 133. a shielding layer; 2. and (5) a filling layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-4, an anti-corrosion underground cable comprises a cable body 1, the cable body 1 comprises a protective layer 11, an outer layer 12, an inner layer 13 and a filling layer 2, the filling layer 2 is arranged in the cable body 1, a filler is arranged in the filling layer 2, and is made of glass fiber, the cable has the advantages of good insulativity, high heat resistance, good corrosion resistance, high mechanical strength and the like through the arrangement of the filling layer 2, the inner layer 13 comprises a cable core 131, an insulating layer 132 and a shielding layer 133, the number of the cable cores 131 is four, the insulating layer 132 is wrapped on the outer side of the cable core 131, the shielding layer 133 is arranged on the other side of the insulating layer 132, the outer layer 12 comprises a first waterproof layer 121, an anti-corrosion layer 122 and a second waterproof layer 123, the first waterproof layer 121 is arranged on the other side of the first waterproof layer 121, the second waterproof layer 123 is arranged on the other side of the first waterproof layer 121, the cable signal is conveniently transmitted through the arrangement of the shielding layer 133, the cable core 131 can be protected, the cable is prevented from being corroded by the first waterproof layer 123, the anti-corrosion effect of the cable is further improved, and the anti-corrosion effect of the cable is further poor, the anti-corrosion effect of the underground cable is prevented from being directly caused by the water.

The protective layer 11 comprises a reinforcing layer 111, a wear-resistant layer 112 and an outer protective sleeve 113, wherein the wear-resistant layer 112 is arranged between the reinforcing layer 111 and the outer protective sleeve 113, and the outer protective sleeve 113 is arranged on the outermost side of the wear-resistant layer 112.

The anticorrosive coating 122 is made of neoprene materials, so that the anticorrosive coating can play an anticorrosive role on acid-base salts, the first waterproof layer 121 is made of polyurethane, and water can be prevented from directly contacting wires inside the cable through the arrangement of the first waterproof layer 121, so that the cable is prevented from being damaged.

The shielding layer 133 is formed by braiding copper wires, the insulating layer 132 is made of ethylene propylene rubber, the interference of external electromagnetic waves to the cable can be reduced through the arrangement of the shielding layer 133, the cable signal can be conveniently transmitted, and meanwhile, the shielding layer 132 has good chemical resistance, electrical insulation performance, impact elasticity, low-temperature performance, low density, high filling performance, hot water resistance, water vapor resistance and the like.

Working principle: when the cable is laid underground and used, the arrangement of the shielding layer 133 can reduce the interference of external electromagnetic cables, the cable signals can be conveniently transmitted, the cable cores 131 can be protected through the arrangement of the insulating layer 132, the electric leakage phenomenon is prevented, the acid-base salt corrosion substances can be prevented from being corroded through the arrangement of the first waterproof layer 121, the corrosion-resistant layer 122 and the second waterproof layer 123, the underground water can be prevented from being directly contacted with the cable, the corrosion-resistant effect is further improved, the cable can be protected when laid underground through the arrangement of the reinforcing layer 111, the wear-resistant layer 112 and the outer protective sleeve 113, the bending resistance of the cable is improved, and the service life of the cable is greatly prolonged.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims (6)

1. An anti-corrosion underground cable comprising a cable body (1), characterized in that: the cable body (1) comprises a protective layer (11), an outer layer (12), an inner layer (13) and a filling layer (2), the filling layer (2) is arranged inside the cable body (1), the inner layer (13) comprises a wire core (131), an insulating layer (132) and a shielding layer (133), the number of the wire cores (131) is four, the insulating layer (132) is wrapped on the outer side of the wire cores (131), the shielding layer (133) is arranged on the other side of the insulating layer (132), the outer layer (12) comprises a first waterproof layer (121), an anti-corrosion layer (122) and a second waterproof layer (123), the first waterproof layer (121) is arranged on the other side of the shielding layer (133), the anti-corrosion layer (122) is arranged on the other side of the first waterproof layer (121), and the second waterproof layer (123) is arranged on the other side of the anti-corrosion layer (122) away from the first waterproof layer (121).

2. The anti-corrosion underground cable of claim 1, wherein: the protective layer (11) comprises a reinforcing layer (111), a wear-resistant layer (112) and an outer protective sleeve (113), wherein the wear-resistant layer (112) is arranged between the reinforcing layer (111) and the outer protective sleeve (113), and the outer protective sleeve (113) is arranged at the outermost side of the wear-resistant layer (112).

3. The anti-corrosion underground cable of claim 1, wherein: the anti-corrosion layer (122) is made of neoprene materials, and the first waterproof layer (121) is made of polyurethane materials.

4. The anti-corrosion underground cable of claim 1, wherein: the inside of the filling layer (2) is provided with a filler, and the filler is made of glass fiber.

5. The anti-corrosion underground cable of claim 1, wherein: the shielding layer (133) is formed by weaving copper wires, and the insulating layer (132) is made of ethylene propylene rubber materials.

6. The anti-corrosion underground cable of claim 2, wherein: the outer protective sleeve (113) is made of polyolefin materials.

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