CN210349373U

CN210349373U - Light environment-friendly submarine cable

Info

Publication number: CN210349373U
Application number: CN201921748948.XU
Authority: CN
Inventors: 程晶; 黄世虎; 段斌; 程伟; 张红伟
Original assignee: Jiangxi Hanguang Cable Co ltd
Current assignee: Jiangxi Hanguang Cable Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-04-17
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a light-duty environmental protection submarine cable, including electric core, the outer cladding of electric core has the conductor shielding layer, and the outer cladding of conductor shielding layer has the insulating layer, the outer cladding of insulating layer has the insulating shield layer, and the outer cladding of insulating shield layer has PE protective sheath, PE protective sheath is provided with the resin filling layer outward, and contains reinforcing fiber in the resin filling layer, the outer cladding of resin filling layer has the inner liner, and the outer cladding of inner liner has the aluminum alloy protective sheath, the outer cladding of aluminum alloy protective sheath has the braid, and is provided with the armor outside the braid, the outer cladding of armor has the outer jacket, adopts aluminum alloy protective sheath to replace commonly used lead alloy protective sheath, and the density of aluminum alloy is little, can make the whole weight of cable lighten greatly, the cost of transportation and laying descends, simultaneously after the cable abandonment, aluminum metal can, does not cause harm to marine life and human health.

Description

Light environment-friendly submarine cable

Technical Field

The utility model relates to the technical field of cables, specifically a light-duty environmental protection submarine cable.

Background

The submarine cable is mainly used for cross-sea power transportation, has special use environment and higher requirement on the weather resistance of the cable, because the submarine cable has high maintenance difficulty and large cost, the cable of waste gas can not be recycled basically, the protective layer used by the existing submarine cable is made of lead alloy materials and has high lead density, the weight of the cable is too large, the transportation and laying cost of the cable is increased, the strength and the hardness are lower, the loss is too large in use, the strength of the cable is difficult to ensure, the cable is easy to break down, meanwhile, as the cable contains heavy metal lead, the cable of the waste gas is left on the seabed and can not be recycled, and the long-time deposition can cause ocean pollution, make lead enter into marine organism's internal, finally enter into people's internal, cause serious harm to the human body, have wide development prospect, for this the utility model provides a light-duty environmental protection submarine cable is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a light-duty environmental protection submarine cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a light-duty environmental protection submarine cable, includes electric core, the outer cladding of electric core has the conductor shielding layer, and the outer cladding of conductor shielding layer has the insulating layer, the outer cladding of insulating layer has the insulating shielding layer, and the outer cladding of insulating shielding layer has the PE protective sheath, the PE protective sheath is provided with the resin filling layer outward, and is provided with reinforcing fiber in the resin filling layer, the outer cladding of resin filling layer has the inner liner, and is provided with the aluminum alloy protective sheath outward on the inner liner, the outer cladding of aluminum alloy protective sheath has the braid, and is provided with the armor outside the braid, the outer cladding.

Preferably, the PE protective sleeve is a PE sleeve and is bonded to the insulation shielding layer by an adhesive.

Preferably, the resin filling layer is formed by curing unsaturated polyester resin, is filled between the PE protective sleeve and the inner liner layer, and the reinforcing fibers are cured inside the resin filling layer.

Preferably, the woven belt is made of non-woven fabrics and is bonded on the outer surface of the aluminum alloy protective sleeve through an adhesive.

Preferably, the armor is formed by winding a galvanized copper wire spirally and tightly on the surface of the braided belt.

Preferably, the outer jacket is made of polypropylene, and the surface of the outer jacket is uniformly coated with an anticorrosive coating.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the aluminum alloy protective sleeve is adopted to replace a common lead alloy protective sleeve, the density of the aluminum alloy is low, the overall weight of the cable can be greatly reduced, the transportation and laying cost is reduced, and meanwhile, after the cable is abandoned, the aluminum metal cannot cause heavy metal pollution like lead metal, and cannot cause harm to the health of marine organisms and human beings;

2. the resin filling layer is arranged, so that the internal electric core can be protected, the permeation of gas and moisture is prevented, particularly, the loss caused by the entry of hydrogen generated in the use process of aluminum alloy is prevented from being increased, and the reinforcing fibers are added into the resin filling layer, so that the resin strength can be increased, the service life of the cable is prolonged, and the accidental damage in a submarine environment is avoided;

3. the armor is formed by spirally winding the galvanized copper wire, the protective effect is effectively achieved on the internal utility layer, the copper wire does not have ferromagnetism and does not have magnetic loss, so that the generated loss is small, the anti-corrosion coating is uniformly coated on the surface of the outer protective layer, the protective effect is achieved on the utility layer on the inner side, and the weather resistance of the cable is improved.

Drawings

FIG. 1 is a sectional view of the present invention;

fig. 2 is a schematic cross-sectional view of the present invention.

In the figure: electric core 1, conductor shielding layer 2, insulating layer 3, insulating shielding layer 4, PE protective sheath 5, resin filling layer 6, reinforcing fiber 7, inner liner 8, aluminum alloy protective sheath 9, braid over braid 10, armor 11, outer jacket 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: a light environment-friendly submarine cable comprises an electric core 1, wherein a conductor shielding layer 2 is coated outside the electric core 1, an insulating layer 3 is coated outside the conductor shielding layer 2, an insulating shielding layer 4 is coated outside the insulating layer 3, a PE protective sleeve 5 is coated outside the insulating shielding layer 4, a resin filling layer 6 is arranged outside the PE protective sleeve 5, reinforcing fibers 7 are arranged in the resin filling layer 6, an inner liner 8 is coated outside the resin filling layer 6, an aluminum alloy protective sleeve 9 is arranged outside the inner liner 8, a braided belt 10 is coated outside the aluminum alloy protective sleeve 9, an armor 11 is arranged outside the braided belt 10, an outer protective layer 12 is coated outside the armor 11, the aluminum alloy protective sleeve 9 is used for replacing a commonly-used lead alloy protective sleeve, the density of aluminum alloy is small, the overall weight of the cable can be greatly reduced, the cost of transportation and laying is reduced, and meanwhile after the cable, the deposition of the aluminum metal does not cause heavy metal pollution like lead metal, and does not cause harm to the health of marine organisms and human beings.

The PE protective sleeve 5 is a PE sleeve and is bonded on the insulation shielding layer 4 through an adhesive, the PE protective sleeve 5 plays a role in protecting and fixing the battery cell 1, and meanwhile, the resin filling layer 6 is isolated, so that the situation that unsaturated polyester resin permeates into the battery cell 1 in the curing process, damages are caused to the battery cell 1, and the cable conductivity is influenced is avoided;

the resin filling layer 6 is formed by solidifying unsaturated polyester resin, a curing agent, a modifier and the like are added, the resin filling layer is solidified by heating, the internal battery core 1 can be protected, the permeation of gas and moisture is prevented, particularly, the loss increase caused by the entry of hydrogen generated in the use process of aluminum alloy is prevented, the resin filling layer is filled between the PE protective sleeve 5 and the lining layer 8, the reinforcing fiber 7 is solidified inside the resin filling layer 6, the reinforcing fiber 7 can be two-dimensional glass fiber or carbon fiber, and is added into the resin before the resin is solidified and is left in the resin filling layer 6 along with the solidification of the resin, so that the resin strength is increased;

the braided belt 10 is made of non-woven fabrics, is bonded on the outer surface of the aluminum alloy protective sleeve 9 through an adhesive, and is padded between the aluminum alloy protective sleeve 9 and the armor 11, so that abrasion is avoided;

the armor 11 is formed by spirally and tightly winding galvanized copper wires on the surface of the braid 10, the armor 11 can effectively protect an internal utility layer, and meanwhile, the copper wires have no ferromagnetism and no magnetic loss, so that the generated loss is small, and the outer surface adopts a galvanized design, so that the corrosion resistance of the armor can be improved;

the outer protective layer 12 is made of polypropylene, and the surface of the outer protective layer 12 is uniformly coated with an anticorrosive coating, so that the inner utility layer is protected, and the weather resistance of the cable is improved;

the working principle is as follows: the aluminum alloy protective sleeve is adopted to replace a commonly used lead alloy protective sleeve, the density of the aluminum alloy is small, the overall weight of the cable can be greatly reduced, the transportation and laying cost is reduced, meanwhile, after the cable is abandoned, the aluminum metal cannot cause heavy metal pollution like lead metal, and the damage to the health of marine organisms and human beings is avoided, a resin filling layer is arranged between the PE protective sleeve and the inner liner layer, the resin filling layer can protect an internal battery core, the permeation of gas and moisture is prevented, particularly, the loss caused by the hydrogen generated in the use process of the aluminum alloy is prevented from entering, and the reinforcing fiber is added in the resin filling layer, the resin strength can be increased, the service life of the cable is prolonged, the accidental damage in a submarine environment is avoided, the armor is formed by the tight winding of the galvanized copper wire spiral, and the protective effect on the internal utility layer is, meanwhile, the copper wire has no ferromagnetism and magnetic loss, so that the loss is small, the surface of the outer protective layer is uniformly coated with the anticorrosive coating, the inner utility layer is protected, and the weather resistance of the cable is improved.

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

Claims

1. The utility model provides a light-duty environmental protection submarine cable, includes electric core (1), its characterized in that: electric core (1) outer cladding has conductor shielding layer (2), and conductor shielding layer (2) outer cladding has insulating layer (3), insulating layer (3) outer cladding has insulation shielding layer (4), and insulation shielding layer (4) outer cladding has PE protective sheath (5), PE protective sheath (5) are provided with resin filling layer (6) outward, and are provided with reinforcing fiber (7) in resin filling layer (6), resin filling layer (6) outer cladding has inner liner (8), and inner liner (8) are provided with aluminum alloy protective sheath (9) outward, aluminum alloy protective sheath (9) outer cladding has braid over braid (10), and braid over braid (10) are provided with armor (11) outward, armor (11) outer cladding has outer jacket (12).

2. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the PE protective sleeve (5) is a PE sleeve and is bonded on the insulation shielding layer (4) through an adhesive.

3. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the resin filling layer (6) is formed by curing unsaturated polyester resin, is filled between the PE protective sleeve (5) and the lining layer (8), and the reinforcing fibers (7) are cured inside the resin filling layer (6).

4. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the braided strap (10) is made of non-woven fabrics and is bonded on the outer surface of the aluminum alloy protective sleeve (9) through an adhesive.

5. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the armor (11) is formed by spirally and tightly winding a galvanized copper wire on the surface of the braided belt (10).

6. A lightweight environmentally friendly submarine cable according to claim 1, wherein: the outer jacket (12) is made of polypropylene, and an anti-corrosion coating is uniformly coated on the surface of the outer jacket (12).