CN210896656U

CN210896656U - Novel seabed photoelectric composite cable

Info

Publication number: CN210896656U
Application number: CN201921931153.2U
Authority: CN
Inventors: 刘君
Original assignee: People Electrical Appliance Group Shanghai Co Ltd
Current assignee: People Electrical Appliance Group Shanghai Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-30
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a novel seabed photoelectricity composite cable, including conductor, internal insulation layer and outer insulating layer, conductor outside cladding internal insulation layer, internal insulation outside cladding external insulation layer, internal insulation and outer insulating layer structure are the same all by anti fire layer, shielding layer and inner liner, and the outside of inner insulation layer is overlapped to the outer insulating layer to distribute fire-retardant layer between internal insulation layer and the outer insulating layer. The utility model relates to a novel seabed photoelectricity composite cable has good chemical corrosion resistance, high temperature resistance, oxidation resistance, weatherability, processing nature and antifatigue and creep nature, long service life, and seamless structure plays the guard action, prevents water or other salty, the outer protective layer of acid material corruption conductor, optimizes the overall structure of cable, increases the intensity of lead sheath, prevents inside vapor gets into the cable, has improved its dampproofing and corrosion resisting property greatly, has promoted the corrosion resisting property of cable.

Description

Novel seabed photoelectric composite cable

Technical Field

The utility model relates to a composite cable technical field specifically is a novel seabed photoelectricity composite cable.

Background

Currently used submarine cables include submarine power cables that transmit power and submarine optical cables that communicate or transmit information. Submarine power cable is generally by copper conductor core, be equipped with conductor shield outside the conductor in proper order, the insulating layer, the insulation shield, semiconduction inflation zone of tape, the lead sheath layer, the polypropylene filling layer, the inner sheath layer, steel wire armor and oversheath layer, cabling three same sinle silks, but because current lead sheath layer is when the production installation, owing to receive the technology restriction, current lead sheath layer is the cladding outside insulation shield mostly, thereby make the lead sheath layer have the interface in a gap, and plumbous mechanical strength is very low, can warp at the time and lead to sealing performance to weaken under very little effort.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel seabed photoelectricity composite cable, good resistant chemical corrosion nature has, high temperature resistance, oxidation resistance, weatherability, processing nature and antifatigue and creep property, long service life, seamless structure plays the guard action, prevent water or other salty, the outer protective layer of acid material corruption conductor, optimize the overall structure of cable, increase the intensity of lead sheath, prevent that vapor from getting into inside the cable, its dampproofing and corrosion resisting property has been improved greatly, the corrosion resisting property of cable has been promoted, the problem among the prior art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: a novel submarine photoelectric composite cable comprises a conductor, an inner insulating layer and an outer insulating layer, wherein the outer side of the conductor is coated with the inner insulating layer, the outer side of the inner insulating layer is coated with the outer insulating layer, the inner insulating layer and the outer insulating layer are in the same structure and respectively comprise an anti-flaming layer, a shielding layer and an inner lining layer, the outer insulating layer is sleeved outside the inner insulating layer, the anti-flaming layer is distributed between the inner insulating layer and the outer insulating layer, the outer side of the outer insulating layer is sleeved with the insulating shielding layer and a lead sheath layer, and the outer side of the insulating shielding layer is;

the lead sheath layer comprises an outer sleeve layer and an inner sleeve layer, the inner sleeve layer is sleeved on the outer side of the insulation shielding layer, and the outer sleeve layer and the inner sleeve layer are internally provided with a closed cable layer;

airtight cable layer includes Z type structural layer and galvanizing coat, Z type structural layer outside cladding galvanizing coat, airtight cable layer cup joints for the seamless with the lead sheathing layer, airtight cable layer outside cover polypropylene filling layer, polypropylene filling layer outside cover attach inner sheath layer, and inner sheath layer outside cover attaches the steel wire armor, and steel wire armor layer outside cover attaches the oversheath layer.

Preferably, the flame-retardant layer of the inner insulating layer is polyvinyl chloride, and the flame-retardant layer of the outer insulating layer is polyvinyl chloride.

Preferably, a plurality of conductors are inserted in the lining layer, the conductors are sleeved with the shielding layer, and the shielding layer is a tinned copper wire.

Preferably, the Z-shaped structure layer is a circular layer formed by closely connecting at least three Z-shaped structures, and the outer layer of each Z-shaped structure is wrapped by a zinc coating.

Preferably, the flame-resistant layer is sleeved outside the shielding layer, and the shielding layer is sleeved outside the lining layer.

Preferably, the conductor is inserted into a cavity formed in the lining layer, and a gap formed between the conductor and the lining layer is filled with inclusions.

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

1. the utility model relates to a novel seabed photoelectricity composite cable, outer insulating layer cover in the outside of inner insulating layer to distribute fire-retardant layer between inner insulating layer and outer insulating layer, outer insulating layer outside cover attaches insulating shield layer and lead sheath layer, and inner insulating layer and outer insulating layer have good chemical corrosion resistance, high temperature resistance, oxidation resistance, weatherability, processability and antifatigue and creep nature, long service life.

2. The utility model relates to a novel seabed photoelectricity composite cable, the circular layer of Z type structural layer for being no less than three Z type structure zonulae occludens and forming, and the outer equal parcel of every Z type structure has the galvanizing coat, airtight cable layer and lead sheath layer are seamless cup joint, seamless structure, play the guard action, prevent water or other salty, the outer protective layer of acid substance corruption conductor, optimize the overall structure of cable, airtight cable layer outside cover polypropylene filling layer, polypropylene filling layer outside cover attaches the inner sheath layer, inner sheath layer outside cover attaches the steel wire armor layer, steel wire armor layer outside cover attaches the outer sheath layer, closely arrange and wrap up the design of galvanizing coat through Z type structure, increase the intensity of lead sheath, prevent that vapor from getting into inside the cable, its dampproofing and corrosion resisting property has been improved greatly, the corrosion resisting property of cable has been promoted.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a side view of the present invention in partial structure;

FIG. 3 is a cross-sectional view of the structure between the conductor and the outer insulating layer according to the present invention;

fig. 4 is a cross-sectional view of a conductor structure of the present invention;

fig. 5 is a schematic diagram of the expansion device of the present invention;

fig. 6 is a schematic structural diagram of the Z-shaped structural layer of the present invention.

In the figure: 1. a conductor; 2. an inner insulating layer; 3. an outer insulating layer; 4. a flame resistant layer; 5. a shielding layer; 6. an inner liner layer; 7. a flame retardant layer; 8. an insulating shield layer; 9. a lead sheath layer; 901. an overcoat layer; 902. an inner jacket layer; 10. a closed cable layer; 101. a Z-shaped structural layer; 102. a zinc coating layer; 11. a polypropylene filler layer; 12. an inner jacket layer; 13. a steel wire armor layer; 14. an outer jacket layer.

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. 1-4, a novel submarine photoelectric composite cable comprises a conductor 1, an inner insulating layer 2 and an outer insulating layer 3, wherein the outer side of the conductor 1 is coated with the inner insulating layer 2, the outer side of the inner insulating layer 2 is coated with the outer insulating layer 3, the inner insulating layer 2 and the outer insulating layer 3 are structurally the same and are composed of an anti-combustion layer 4, a shielding layer 5 and an inner liner layer 6, a plurality of conductors 1 are inserted into the inner liner layer 6, the shielding layer 5 is sleeved on the conductor 1, the shielding layer 5 is a tinned copper wire, the anti-combustion layer 4 is sleeved outside the shielding layer 5, the shielding layer 5 is sleeved outside the inner liner layer 6, the conductors 1 are inserted into a cavity formed inside the inner liner layer 6, a gap formed between the conductors 1 and the inner liner layer 6 is filled with inclusions, the anti-combustion layer 4 of the inner insulating layer 2 is 70-degree polyvinyl chloride, the anti-combustion layer 4 of, and a flame retardant layer 7 is distributed between the inner insulating layer 2 and the outer insulating layer 3, an insulating shielding layer 8 and a lead sheath layer 9 are sleeved outside the outer insulating layer 3, and the inner insulating layer 2 and the outer insulating layer 3 have good chemical corrosion resistance, high temperature resistance, oxidation resistance, weather resistance, processability, fatigue resistance and creep resistance and long service life.

Referring to fig. 5-6, the outer side of the insulation shielding layer 8 is coated with the lead sheath layer 9, the lead sheath layer 9 includes an outer sheath layer 901 and an inner sheath layer 902, the inner sheath layer 902 is sleeved on the outer side of the insulation shielding layer 8, the enclosed cable layer 10 is disposed in the outer sheath layer 901 and the inner sheath layer 902, the enclosed cable layer 10 includes a Z-shaped structure layer 101 and a zinc coating layer 102, the outer side of the Z-shaped structure layer 101 is coated with the zinc coating layer 102, the Z-shaped structure layer 101 is a circular layer formed by tightly connecting at least three Z-shaped structures, each outer layer of the Z-shaped structure is coated with the zinc coating layer 102, the enclosed cable layer 10 and the lead sheath layer 9 are in seamless sleeve joint, and have a seamless structure, so as to play a role in protection, prevent water or other salty and acidic substances from corroding the protective layer outside the conductor 1, and simultaneously save a semiconductive expansion tape layer, correspondingly reduce the production cost, optimize the overall structure, The outer side of the polypropylene filling layer 11 is sheathed with an inner sheath layer 12, the outer side of the inner sheath layer 12 is sheathed with a steel wire armor layer 13, the outer side of the steel wire armor layer 13 is sheathed with an outer sheath layer 14, and the outer side of the steel wire armor layer 13 is closely arranged and wrapped with a galvanized layer 102 through a Z-shaped structure, so that the strength of a lead sheath is increased, water vapor is prevented from entering the inside of the cable, the moisture resistance and the corrosion resistance of the cable are greatly improved, and the corrosion resistance of the cable is improved.

In summary, the following steps: the utility model discloses submarine photoelectricity composite cable, outer insulating layer 3 cover is outside inner insulating layer 2, and fire-retardant layer 7 distributes between inner insulating layer 2 and outer insulating layer 3, outer insulating layer 3 outside cover attaches insulation shield 8 and lead sheath layer 9, inner insulating layer 2 and outer insulating layer 3 have good chemical corrosion resistance, high temperature resistance, oxidation resistance, weatherability, processability and antifatigue and creep nature, long service life, Z type structural layer 101 is the circular layer of being no less than three Z type structure zonulae occludens constitution, and the outer parcel of every Z type structure has zinc-plated layer 102, airtight cable layer 10 and lead sheath layer 9 are seamless cup joint, the seamless structure, play the guard action, prevent water or other salt, the outer protective layer of acid material corruption conductor 1, and simultaneously, still can save semiconduction inflation zone, correspondingly reduce its manufacturing cost, optimize the overall structure of cable, the polypropylene filling layer 11 is coated outside the airtight cable layer 10, the inner sheath layer 12 is coated outside the polypropylene filling layer 11, the steel wire armor layer 13 is coated outside the inner sheath layer 12, the outer sheath layer 14 is coated outside the steel wire armor layer 13, the strength of the lead sheath is increased through the design that the Z-shaped structure is closely arranged and wrapped with the galvanized layer 102, the water vapor is prevented from entering the cable, the moisture-proof and corrosion-resistant performance of the cable is greatly improved, and the corrosion-resistant performance of the cable is improved.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

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 novel seabed photoelectricity composite cable, includes conductor (1), inner insulating layer (2) and outer insulating layer (3), its characterized in that: the outer side of the conductor (1) is coated with an inner insulating layer (2), the outer side of the inner insulating layer (2) is coated with an outer insulating layer (3), the inner insulating layer (2) and the outer insulating layer (3) are identical in structure and are respectively composed of a flame-retardant layer (4), a shielding layer (5) and an inner lining layer (6), the outer insulating layer (3) is sleeved outside the inner insulating layer (2), flame-retardant layers (7) are distributed between the inner insulating layer (2) and the outer insulating layer (3), the outer side of the outer insulating layer (3) is sleeved with an insulating shielding layer (8) and a lead sheath layer (9), and the outer side of the insulating shielding layer (8) is coated with the lead sheath layer (9; the lead sheath layer (9) comprises an outer sleeve layer (901) and an inner sleeve layer (902), the inner sleeve layer (902) is sleeved on the outer side of the insulation shielding layer (8), and a closed cable layer (10) is arranged in the outer sleeve layer (901) and the inner sleeve layer (902); airtight cable layer (10) include Z type structural layer (101) and galvanizing coat (102), Z type structural layer (101) outside cladding galvanizing coat (102), airtight cable layer (10) and lead sheath layer (9) are seamless cup joint, airtight cable layer (10) outside cover polypropylene filling layer (11), polypropylene filling layer (11) outside cover attaches inner sheath layer (12), and inner sheath layer (12) outside cover attaches steel wire armor layer (13), and outer sheath layer (14) is attached to steel wire armor layer (13) outside cover.

2. The novel undersea photoelectric composite cable of claim 1, wherein: the flame-retardant layer (4) of the inner insulating layer (2) is made of 70-degree polyvinyl chloride, and the flame-retardant layer (4) of the outer insulating layer (3) is made of 90-degree polyvinyl chloride.

3. The novel undersea photoelectric composite cable of claim 1, wherein: a plurality of conductors (1) are inserted into the inner liner (6), the shielding layer (5) is sleeved on the conductors (1), and the shielding layer (5) is a tinned copper wire.

4. The novel undersea photoelectric composite cable of claim 1, wherein: the Z-shaped structure layer (101) is a circular layer formed by closely connecting at least three Z-shaped structures, and the outer layer of each Z-shaped structure is wrapped with a zinc coating (102).

5. The novel undersea photoelectric composite cable of claim 1, wherein: the flame-retardant layer (4) is sleeved outside the shielding layer (5), and the shielding layer (5) is sleeved outside the lining layer (6).

6. The novel undersea photoelectric composite cable of claim 1, wherein: the conductor (1) is inserted into a cavity formed in the lining layer (6), and impurities are filled in a gap formed between the conductor (1) and the lining layer (6).