Anti-corrosion low-voltage cable

Abstract

The utility model discloses an anti-corrosion low-voltage cable, which comprises a plurality of cable core units, a plurality of flexible cable units, a shaping piece, an insulating layer, an armor layer and an anti-corrosion layer, the shaping piece comprises a central column, a cylinder and partition plates, a reinforcing frame and a plurality of reinforcing cores are arranged in the central column, the reinforcing frame and the partition plates are arranged in a staggered manner, and the insulating layer is arranged in the cylinder. And the plurality of reinforcing cores are uniformly arranged outside the reinforcing frame and correspond to the cable core units and the flexible cable units. According to the anti-corrosion low-voltage cable provided by the utility model, through arranging the shaping piece, the armor layer and the anti-corrosion layer, pressure can be applied to the cable through the armor layer and the armor layer, and meanwhile, the cylinder on the shaping piece and the anti-corrosion layer are both made of fluororubber materials, so that the anti-corrosion low-voltage cable is not damaged. The fluororubber material has the characteristics of good heat resistance, oxidation resistance, oil resistance, corrosion resistance, aging resistance and the like, so that the corrosion resistance of the cable is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, especially, relate to a kind of anticorrosive low-voltage cable. BACKGROUND

[0002] Cable refers to the material for power, communication and related transmission purposes, with the development of society, cable is more and more widely used in various fields, such as transportation, communication, building etc., therefore, the requirement of professional field of cable is also higher and higher.

[0003] In prior art, cable can only rely on the rubber of outer layer to prevent corrosion, the corrosion resistance effect is not good, and there is no effective supporting structure inside, which can easily lead to poor compression resistance of cable, thereby reducing the corrosion resistance of cable. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide an anticorrosive low-voltage cable which improves compression resistance and corrosion resistance.

[0005] The utility model discloses a kind of anticorrosive low-voltage cables, the anticorrosive low-voltage cable includes multiple cable core units, multiple soft cable units, setting between the cable core unit and the soft cable unit Shaping piece, the insulating layer wrapped in the shaping piece outside, the armor layer is set in the insulating layer outside and the corrosion-resistant layer wrapped in the armor layer outside, the shaping piece includes the center column being set in the cable core unit and the soft cable unit middle, the cylinder being attached to the insulating layer and the partition plate being set between the center column and the cylinder, the center column is provided with reinforcing frame and multiple reinforcing cores, the reinforcing frame is staggered with the partition plate, multiple reinforcing cores are evenly arranged in the outside of the reinforcing frame, the reinforcing core corresponds with the cable core unit and the soft cable unit.

[0006] Further, fireproof layer, waterproof layer and buffer layer are further provided between the insulating layer and the armor layer, the fireproof layer is wrapped in the outside of the insulating layer, the waterproof layer is wrapped in the outside of the fireproof layer, the buffer layer is wrapped in the outside of the waterproof layer, and the armor layer is wrapped in the outside of the buffer layer.

[0007] Further, the number of reinforcing cores is the same as the sum of the number of cable core units and soft cable units, and one reinforcing core corresponds to one cable core unit or one soft cable unit.

[0008] Further, the partition plate has multiple, and multiple partition plates are arranged between the center column and the cylinder.

[0009] Further, the cylinder and the two adjacent partition plates jointly form a cavity, and the cable core unit and the flexible cable unit are accommodated in the corresponding cavity.

[0010] Further, the cavity is also filled with a filler made of polypropylene material.

[0011] Further, the anti-corrosion low-voltage cable further comprises an outer protective layer wrapped outside the armored layer.

[0012] Further, each cable core unit comprises a cable core and an inner insulation layer wrapped outside the cable core.

[0013] Further, each flexible cable unit comprises a plurality of wire cores twisted with each other and a first insulation layer wrapped outside the plurality of wire cores.

[0014] The anti-corrosion low-voltage cable has the advantages that the fluororubber material has good heat resistance, oxidation resistance, oil resistance, corrosion resistance, aging resistance and other properties, thereby increasing the corrosion resistance of the cable. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and examples.

[0016] Figure 1 is the structure schematic diagram of the anti-corrosion low-voltage cable of the utility model.

[0017] The names and numbers of the components in the figure are as follows: 1, cable core unit; 11, cable core; 12, inner insulation layer; 121, protrusion; 2, flexible cable unit; 21, wire core; 22, first insulation layer; 3, shaping piece; 30, cavity; 31, center column; 32, partition plate; 33, cylinder; 4, insulation layer; 5, waterproof layer; 6, buffer layer; 7, fireproof layer; 8, armored layer; 9, corrosion-resistant layer; 10, outer protective layer. DETAILED DESCRIPTION

[0018] The utility model will be further described in connection with the drawings and examples.

[0019] Please refer to Figure 1The utility model provides a kind of anticorrosion low-voltage cable, it includes cable core unit 1, flexible cable unit 2, shaping piece 3, insulating layer 4, armoring layer 8 and corrosion-resistant layer 9, cable core unit 1 and flexible cable unit 2 all have multiple, shaping piece 3 is arranged between cable core unit 1 and flexible cable unit 2, insulating layer 4 is wrapped in the outside of shaping piece 3, insulating layer 4 is made of high insulating performance's irradiation crosslinking polyethylene insulating material, armoring layer 8 is arranged in the outside of insulating layer 4, corrosion-resistant layer 9 is wrapped in the outside of armoring layer 8.

[0020] In the embodiment, corrosion-resistant layer 9 is made of fluorine rubber material, the fluorine rubber material has good heat resistance, oxidation resistance, oil resistance, corrosion resistance, anti-aging property and other characteristics;Armoring layer 8 is twisted by flat steel wire.When cable is subjected to external pressure, pressure passes through armoring layer 8, and armoring layer 8 can have compression resistance to cable.

[0021] In other not shown embodiments, armoring layer 8 can also be twisted by round steel wire, round copper wire or flat copper wire.

[0022] Each cable core unit 1 includes cable core 11 and inner insulating layer 12, and the inner insulating layer 12 is wrapped and arranged outside the cable core 11.In the embodiment, cable core unit 1 has two.

[0023] Further, the outer portion of the inner insulating layer 12 is further provided with a plurality of protrusions 121, and the plurality of protrusions 121 are uniformly arranged outside the inner insulating layer 12, thereby further protecting the cable core unit 1.

[0024] Each flexible cable unit 2 includes wire core 21 and first insulating layer 22, the wire core 21 has multiple, and the multiple wire cores 21 are twisted with each other, and the first insulating layer 22 is wrapped outside the multiple wire cores 21.In the embodiment, flexible cable unit 2 has two.

[0025] The shaped part 3 comprises a center column 31, a partition plate 32 and a cylinder 33, the center column 31 is provided with reinforcing frames 311 and reinforcing cores 312, the reinforcing frames 311 are staggered with the partition plate 32, so as to be able to resist pressure from multiple angles, the reinforcing cores 312 are multiple, the multiple reinforcing cores 312 are uniformly arranged outside the reinforcing frames 311, the reinforcing cores 312 correspond to the cable core unit 1 and the flexible cable unit 2, the number of the reinforcing cores 312 is the same as the total number of the cable core unit 1 and the flexible cable unit 2, one reinforcing core 312 corresponds to one cable core unit 1 or one flexible cable unit 2. In the embodiment, the reinforcing core 312 is a steel wire. The cylinder 33 is attached to the insulation layer 4, the insulation layer 4 is wrapped outside the cylinder 33, the partition plate 32 is multiple, the multiple partition plates 32 are arranged between the center column 31 and the cylinder 33, further, the cylinder 33 and the two adjacent partition plates 32 jointly form a cavity 30, the cable core unit 1 and the flexible cable unit 2 are accommodated in the corresponding cavity 30. In the embodiment, the center column 31 and the partition plate 32 are made of rubber material, and the cylinder 33 is made of corrosion-resistant material.

[0026] Further, the insulation layer 4 and the armored layer 8 are further provided with a fireproof layer 5, a waterproof layer 6 and a buffer layer 7, the fireproof layer 5 is wrapped outside the insulation layer 4, the waterproof layer 6 is wrapped outside the fireproof layer 5, the buffer layer 7 is wrapped outside the waterproof layer 6, and the armored layer 8 is wrapped outside the buffer layer 7. In the embodiment, the waterproof layer 6 is formed by repeatedly winding paraffin cloth tape, the paraffin cloth tape is formed by dipping paraffin emulsifier on the surface of cotton cloth, the paraffin becomes fine particles after emulsification, the paraffin has strong hydrophobicity, and further has good waterproof performance; the buffer layer 7 adopts mineral wool buffer material, the mineral wool and its products have the advantages of light weight, durability, non-combustion, non-corrosion and not being damaged by insects, and are excellent heat insulation and sound absorption materials, the cotton-like short fibers made of silicate melt include mineral wool, rock wool, glass wool and ceramic fiber, etc.; the fireproof layer 5 is made of low-smoke halogen-free flame-retardant polyolefin material. Among them, because the buffer layer 7 adopts mineral wool buffer material, the fine particles on the waterproof layer 6 are not damaged, the hydrophobic performance of the waterproof layer 6 is not damaged, the waterproof layer 6 can be protected, the aging of the cable is prevented, and the service life of the cable is improved.

[0027] The anti-corrosion low-voltage cable further comprises an outer protective layer 10, the outer protective layer 10 is wrapped outside the corrosion-resistant layer 9. In the embodiment, the outer protective layer 10 is made of neoprene material, the neoprene has high strength, good durability, excellent wear resistance, fire resistance, light resistance, ozone resistance and atmospheric aging resistance, and good elasticity, impact resistance and vibration resistance.

[0028] Further, the cavity 30 is further filled with a filler (not shown in the figure), the filler is made of polypropylene material. The filler is arranged, so as to be able to protect the cable core unit 1 and the shaped part 3.

[0029] The anti-corrosion low-voltage cable provided by the utility model has the advantages that the shaped part 3, the armored layer 8 and the corrosion-resistant layer 9 are arranged, pressure passes through the armored layer 8, the armored layer 8 can have the compression resistance of the cable, meanwhile, the cylinder 33 on the shaped part 3 and the corrosion-resistant layer 9 are made of fluorine rubber material, the fluorine rubber material has the characteristics of good heat resistance, oxidation resistance, oil resistance, corrosion resistance and aging resistance, and the corrosion resistance of the cable is further increased.

[0030] The above ideal embodiments according to the utility model are used as inspiration, and the above description can be changed and modified in various ways without deviating from the scope of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A corrosion resistant low voltage cable, characterized by: The anti-corrosion low-voltage cable comprises a plurality of cable core units, a plurality of flexible cable units, a shaping member arranged between the cable core units and the flexible cable units, an insulation layer wrapped outside the shaping member, an armor layer arranged outside the insulation layer, and a corrosion-resistant layer wrapped outside the armor layer, the shaping member comprises a center column arranged between the cable core units and the flexible cable units, a cylinder matched with the insulation layer, and a partition plate arranged between the center column and the cylinder, the center column is provided with a reinforcing frame and a plurality of reinforcing cores, the reinforcing frame and the partition plate are arranged alternately, and the reinforcing cores are uniformly arranged outside the reinforcing frame and correspond to the cable core units and the flexible cable units.

2. The corrosion resistant low voltage cable of claim 1, wherein: The number of the reinforcing cores is the same as the sum of the number of the cable core units and the number of the flexible cable units, and one reinforcing core corresponds to one cable core unit or one flexible cable unit.

3. The corrosion resistant low voltage cable of claim 1, wherein: A fireproof layer, a waterproof layer, and a buffer layer are further arranged between the insulation layer and the armor layer, the fireproof layer is wrapped outside the insulation layer, the waterproof layer is wrapped outside the fireproof layer, the buffer layer is wrapped outside the waterproof layer, and the armor layer is wrapped outside the buffer layer.

4. The corrosion resistant low voltage cable of claim 1, wherein: The partition plate has a plurality of partition plates arranged between the center column and the cylinder.

5. The corrosion resistant low voltage cable of claim 4, wherein: The cylinder and the two adjacent partition plates jointly form a cavity, and the cable core units and the flexible cable units are accommodated in the corresponding cavities.

6. The corrosion resistant low voltage cable of claim 5, wherein: The cavity is also filled with a filler made of polypropylene material.

7. The corrosion resistant low voltage cable of claim 1, wherein: The anti-corrosion low-voltage cable further comprises an outer protective layer wrapped outside the corrosion-resistant layer.

8. The corrosion resistant low voltage cable of claim 1, wherein: Each cable core unit comprises a cable core and an inner insulation layer wrapped outside the cable core.

9. The corrosion resistant low voltage cable of claim 1, wherein: Each flexible cable unit comprises a wire core and a first insulation layer, the wire core has a plurality of wire cores twisted with each other, and the first insulation layer is wrapped outside the wire cores.

10. The corrosion resistant low voltage cable of claim 8, wherein: The outer surface of the inner insulation layer is further provided with a plurality of protrusions uniformly arranged on the outer surface of the inner insulation layer.

Images