CN209843308U

CN209843308U - Crosslinked polyethylene cable

Info

Publication number: CN209843308U
Application number: CN201920626443.XU
Authority: CN
Inventors: 毛科达
Original assignee: Wuxi Shenguang Cable Co Ltd
Current assignee: Wuxi Shenguang Cable Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2019-12-24
Anticipated expiration: 2029-04-30

Abstract

The utility model discloses a crosslinked polyethylene cable, including oversheath layer, armor, first insulation layer, flame retardant coating, second insulating layer, first shielding layer, third insulating layer, filling layer and cable main part, the inside wall of oversheath layer is fixed with the armor, the inside wall of armor is fixed with the first insulation layer. The utility model discloses a set up the flame retardant coating, and the flame retardant coating adopts the mica tape, this kind of material has excellent insulating properties, high temperature resistance and fire resistance ability, so can play fine fire prevention effect, through setting up the filling layer, and the filling layer adopts glass fiber, this kind of material has excellent insulating properties and thermal-insulated thermal insulation performance, thereby can play fine heat-proof quality, and then enable the fine adaptation external environment's of cable temperature, through setting up first shielding layer, can completely cut off external environment's interference, through setting up the second shielding layer, can make mutual noninterference between the adjacent cable main part, thereby can play better shielding effect.

Description

Crosslinked polyethylene cable

Technical Field

The utility model relates to the technical field of cables, specifically a crosslinked polyethylene cable.

Background

A cable is generally a rope-like cable made up of several or groups of at least two twisted conductors, each group of conductors being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating, and the cable can be classified into a power cable, a communication cable, a control cable, etc. according to its purpose.

However, the fire-proof performance, the heat-insulating performance and the shielding performance of the cable are poor at present, so that a crosslinked polyethylene cable is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a crosslinked polyethylene cable has solved the problem that fire behavior, heat-proof quality and shielding property are all relatively poor of current cable.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a crosslinked polyethylene cable comprises an outer sheath layer, an armor layer, a first insulating layer, a fireproof layer, a second insulating layer, a first shielding layer, a third insulating layer, a filling layer and a cable main body, wherein the armor layer is fixed on the inner side wall of the outer sheath layer, the first insulating layer is fixed on the inner side wall of the armor layer, the fireproof layer is arranged on the inner side wall of the first insulating layer, the second insulating layer is fixed on the inner side wall of the fireproof layer, the first shielding layer is fixed on the inner side wall of the second insulating layer, the third insulating layer is fixed on the inner side wall of the first shielding layer, the cable main body is arranged on the inner side of the third insulating layer, the filling layer is arranged between the cable main body and the third insulating layer, the cable main body is composed of a cable core body, a fourth insulating layer, a second shielding layer and a fifth insulating layer, a fourth insulating layer is fixed on the outer side wall of the cable core body, the second shielding layer is fixed, and a fifth insulating layer is fixed on the outer side wall of the second shielding layer.

Further optimizing this technical scheme, the cable core is made by copper.

Further optimizing the technical scheme, the outer sheath layer, the first insulating layer, the second insulating layer, the third insulating layer, the fourth insulating layer and the fifth insulating layer are all made of cross-linked polyethylene.

Further optimizing the technical scheme, the armor layer is a braided net-shaped steel wire.

Further optimizing the technical scheme, the fireproof layer is a mica tape.

Further optimizing the technical scheme, the first shielding layer and the second shielding layer are both woven mesh magnesium-aluminum alloy.

Further optimizing the technical scheme, the filling layer is made of glass fiber.

(III) advantageous effects

Compared with the prior art, the utility model provides a crosslinked polyethylene cable possesses following beneficial effect:

this crosslinked polyethylene cable, through setting up the flame retardant coating, and the flame retardant coating adopts the mica tape, this kind of material has excellent insulating properties, high temperature resistance and fire resistance ability, so can play fine fire prevention effect, through setting up the filling layer, and the filling layer adopts glass fiber, this kind of material has excellent insulating properties and thermal-insulated thermal insulation performance, thereby can play fine heat-proof quality, and then enable the fine adaptation external environment's of cable temperature, through setting up first shielding layer, can completely cut off external environment's interference, through setting up the second shielding layer, can make mutual noninterference between the adjacent cable main part, thereby can play better shielding effect.

Drawings

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

fig. 2 is the schematic diagram of the cable main structure of the present invention.

In the figure: 1. an outer jacket layer; 2. an armor layer; 3. a first insulating layer; 4. a fire barrier layer; 5. a second insulating layer; 6. a first shielding layer; 7. a third insulating layer; 8. a filling layer; 9. a cable body; 10. a cable core; 11. a fourth insulating layer; 12. a second shielding layer; 13. a fifth insulating 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. 1-2, the present invention provides a technical solution: a cross-linked polyethylene cable comprises an outer sheath layer 1, an armor layer 2, a first insulating layer 3, a fireproof layer 4, a second insulating layer 5, a first shielding layer 6, a third insulating layer 7, a filling layer 8 and a cable main body 9, wherein the inner side wall of the outer sheath layer 1 is fixed with the armor layer 2, the inner side wall of the armor layer 2 is fixed with the first insulating layer 3, the inner side wall fireproof layer 4 of the first insulating layer 3, the inner side wall of the fireproof layer 4 is fixed with the second insulating layer 5, the inner side wall of the second insulating layer 5 is fixed with the first shielding layer 6, the inner side wall of the first shielding layer 6 is fixed with the third insulating layer 7, the inner side of the third insulating layer 7 is provided with the cable main body 9, the filling layer 8 is arranged between the cable main body 9 and the third insulating layer 7, the cable main body 9 is composed of a cable core body 10, a fourth insulating layer 11, a second shielding layer 12 and a fifth insulating layer 13, the outer side wall, the lateral wall of fourth insulating layer 11 is fixed with second shielding layer 12, the lateral wall of second shielding layer 12 is fixed with fifth insulating layer 13, through setting up flame retardant coating 4, and flame retardant coating 4 adopts the mica tape, this kind of material has excellent insulating properties, high temperature resistance and combustion resistance, so can play fine fire prevention effect, through setting up filling layer 8, and filling layer 8 adopts glass fiber, this kind of material has excellent insulating properties and thermal-insulated thermal insulation performance, thereby can play fine heat-proof quality, and then can make the fine adaptation external environment's of cable temperature, through setting up first shielding layer 6, can completely cut off external environment's interference, through setting up second shielding layer 12, can make mutual noninterference between the adjacent cable main part 9, thereby can play better shielding effect.

Specifically, the cable core 10 is made of copper, and the conductivity of copper is excellent.

Specifically, the outer sheath layer 1, the first insulating layer 3, the second insulating layer 5, the third insulating layer 7, the fourth insulating layer 11 and the fifth insulating layer 13 are all made of cross-linked polyethylene, and the cross-linked polyethylene has good insulating property, corrosion resistance, pressure resistance and heat resistance.

Specifically, armor 2 is for weaving netted steel wire, is favorable to improving the structural strength of cable.

Specifically, the fireproof layer 4 is a mica tape which is a material with good insulating property and fireproof property.

Specifically, the first shielding layer 6 and the second shielding layer 12 are both woven mesh magnesium-aluminum alloy, which is convenient for improving shielding performance.

Specifically, the filling layer 8 is made of glass fiber, and the glass fiber has good heat insulation performance.

When using, through setting up armor 2, can improve the overall structure intensity of cable, through setting up flame retardant coating 4, can play better fire prevention effect, through setting up first shielding layer 6, can completely cut off external environment's interference, through setting up filling layer 8, can play better thermal-insulated heat preservation effect, be favorable to the better adaptation external environment temperature's of cable change like this, through setting up second shielding layer 12, can make mutual interference between the adjacent cable main part 9.

In conclusion, this crosslinked polyethylene cable, through setting up flame retardant coating 4, and flame retardant coating 4 adopts the mica tape, this kind of material has excellent insulating properties, high temperature resistance and fire resistance, so can play fine fire prevention effect, through setting up filling layer 8, and filling layer 8 adopts glass fiber, this kind of material has excellent insulating properties and thermal-insulated thermal insulation performance, thereby can play fine heat-proof quality, and then can make the fine adaptation external environment's of cable temperature, through setting up first shielding layer 6, can completely cut off external environment's interference, through setting up second shielding layer 12, can make mutual noninterference between the adjacent cable main part 9, thereby can play better shielding effect.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 crosslinked polyethylene cable, includes oversheath layer (1), armor (2), first insulating layer (3), flame retardant coating (4), second insulating layer (5), first shielding layer (6), third insulating layer (7), filling layer (8) and cable main part (9), its characterized in that: the cable is characterized in that an armor layer (2) is fixed on the inner side wall of the outer sheath layer (1), a first insulating layer (3) is fixed on the inner side wall of the armor layer (2), a fireproof layer (4) is arranged on the inner side wall of the first insulating layer (3), a second insulating layer (5) is fixed on the inner side wall of the fireproof layer (4), a first shielding layer (6) is fixed on the inner side wall of the second insulating layer (5), a third insulating layer (7) is fixed on the inner side wall of the first shielding layer (6), a cable main body (9) is arranged on the inner side of the third insulating layer (7), a filling layer (8) is arranged between the cable main body (9) and the third insulating layer (7), the cable main body (9) is composed of a cable core body (10), a fourth insulating layer (11), a second shielding layer (12) and a fifth insulating layer (13), and a fourth insulating layer (11) is fixed on the outer side wall of the, and a second shielding layer (12) is fixed on the outer side wall of the fourth insulating layer (11), and a fifth insulating layer (13) is fixed on the outer side wall of the second shielding layer (12).

2. A crosslinked polyethylene cable according to claim 1, characterized in that: the cable core (10) is made of copper.

3. A crosslinked polyethylene cable according to claim 1, characterized in that: the outer sheath layer (1), the first insulating layer (3), the second insulating layer (5), the third insulating layer (7), the fourth insulating layer (11) and the fifth insulating layer (13) are all made of cross-linked polyethylene.

4. A crosslinked polyethylene cable according to claim 1, characterized in that: the armor layer (2) is a braided net-shaped steel wire.

5. A crosslinked polyethylene cable according to claim 1, characterized in that: the fireproof layer (4) is a mica tape.

6. A crosslinked polyethylene cable according to claim 1, characterized in that: the first shielding layer (6) and the second shielding layer (12) are both woven mesh magnesium-aluminum alloy.

7. A crosslinked polyethylene cable according to claim 1, characterized in that: the filling layer (8) is made of glass fiber.