CN211907035U

CN211907035U - Environment-friendly flame-retardant cross-linked insulated armored power cable

Info

Publication number: CN211907035U
Application number: CN202020842186.6U
Authority: CN
Inventors: 陈建
Original assignee: Guangdong Yuanyang Cable Technology Co ltd
Current assignee: Guangdong Yuanyang Cable Technology Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-11-10
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses an insulating armoured power cable of fire-retardant cross-linking of environment-friendly, including the sinle silk, interior sheath and outer sheath, be equipped with ethylene thermal contraction layer between sinle silk and the interior sheath, and the outside of sinle silk is filled with the polyurethane rubber piece, ethylene thermal contraction layer passes through cladding sinle silk and polyurethane rubber piece, interior sheath passes through cladding ethylene thermal contraction layer, be equipped with the steel strip armor between outer sheath and the interior sheath, and the steel strip armor through weaving the cladding in the interior sheath outside, the outside cladding of outer sheath has the anion layer, the outside cladding of anion layer has fire prevention fire-retardant layer, through being equipped with ethylene thermal contraction layer between sinle silk and interior sheath, have excellent adhesion, the characteristics that final adhesion and intensity are high, play the effect that reduces thermal contraction simultaneously; the filling layer is changed into the polyurethane rubber block, so that the polyurethane rubber block has higher tensile strength; by arranging the anion layer between the fireproof flame-retardant layer and the outer protective layer, dust particles in the air can be deposited, and the purpose of air purification is achieved.

Description

Environment-friendly flame-retardant cross-linked insulated armored power cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to an insulating armor power cable of fire-retardant crosslinked of environment-friendly.

Background

With the development of the world economy and science, the demand of the electric wire and the electric cable is increased, and the performance requirements of the electric wire and the electric cable are improved. Under new economic conditions and technical conditions, the development of the global wire and cable industry presents a new trend, and the environment-friendly cable gradually becomes the development key point of the global cable. At present, the requirements for the quality and performance of wires and cables in various fields are higher and higher, more and more fires are caused due to aging of wires and cables, how to reduce the occurrence rate of the fires and the death rate of the fires, and fire prevention and environmental protection also become the development direction of the wire and cable industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an insulating armoured power cable of fire-retardant cross-linking of environment-friendly has solved 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 an insulating armor power cable of fire-retardant cross-linking of environment-friendly, includes sinle silk, interior sheath and outer jacket, be equipped with ethylene thermal contraction layer between sinle silk and the interior sheath, and the outside packing of sinle silk has the polyurethane rubber block, ethylene thermal contraction layer passes through cladding sinle silk and polyurethane rubber block, interior sheath passes through the cladding ethylene thermal contraction layer, be equipped with the steel tape armor between outer jacket and the interior sheath, and the steel tape armor is through weaving the cladding in the interior sheath outside, the outside cladding of outer jacket has the anion layer, the outside cladding of anion layer has the fire-retardant layer of preventing fires.

Further, the sinle silk includes oxygen-free copper conductor, electrically conductive shielding area and the polyethylene insulating layer that sets gradually from inside to outside, electrically conductive shielding area passes through the cladding in the outside of oxygen-free copper conductor, the polyethylene insulating layer passes through the cladding in the outside of electrically conductive shielding area.

Further, more than three wire cores are arranged.

Furthermore, the inner sheath layer is made of a fluorinated ethylene propylene material.

Furthermore, the outer protective layer is made of radiation cross-linked polyolefin.

Further, the thickness of the negative ion layer is not less than 0.2 mm.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides an environment-friendly fire-retardant crosslinked insulation armor power cable, through be equipped with ethylene thermal contraction layer between sinle silk and inner sheath, have excellent adhesion, finally glue and the high characteristics of intensity, play the effect that reduces thermal contraction simultaneously; the filling layer is changed into the polyurethane rubber block, so that the polyurethane rubber block has higher tensile strength; by arranging the anion layer between the fireproof flame-retardant layer and the outer protective layer, dust particles in the air can be deposited, and the purpose of air purification is achieved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: the cable comprises a cable core 1, an inner protection layer 2, an outer protection layer 3, an ethylene thermal contraction layer 4, a polyurethane rubber block 5, a steel tape armor 6, an anion layer 7, a fireproof flame-retardant layer 8, an oxygen-free copper conductor 11, a conductive shielding tape 12 and a polyethylene insulation layer 13.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

in the description of the present invention, it is to be understood that the terms "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "inner," and the like are used in the orientation or positional relationship indicated in the drawings, merely for the purpose of describing the invention and simplifying the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention; furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated; thus, the definitions "first" and "second" are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly including one or more of such features.

An insulating armoured power cable of fire-retardant cross-linking of environment-friendly as shown in figure 1, including sinle silk 1, interior sheath 2 and outer sheath 3, be equipped with ethylene thermal contraction layer 4 between sinle silk 1 and the interior sheath 2, and the outside packing of sinle silk 1 has polyurethane rubber block 5, ethylene thermal contraction layer 4 is through cladding sinle silk 1 and polyurethane rubber block 5, interior sheath 2 is through the cladding ethylene thermal contraction layer 4, be equipped with steel strip armor 6 between outer sheath 3 and the interior sheath 2, and steel strip armor 6 is through weaving the cladding in the interior sheath 2 outside, the outside cladding of outer sheath 3 has anion layer 7, the outside cladding of anion layer 7 has fire-retardant layer 8 of preventing fires.

In this embodiment, the core 1 includes an oxygen-free copper conductor 11, a conductive shielding tape 12 and a polyethylene insulating layer 13, which are sequentially arranged from inside to outside, the conductive shielding tape 12 is wrapped outside the oxygen-free copper conductor 11, and the polyethylene insulating layer 13 is wrapped outside the conductive shielding tape 12.

In this embodiment, the number of the wire cores 1 is more than three.

In this embodiment, the inner sheath layer 2 is made of a fluorinated ethylene propylene material.

In this embodiment, the outer protective layer 3 is made of radiation cross-linked polyolefin.

In this embodiment, the thickness of the negative ion layer 7 is not less than 0.2 mm.

The utility model discloses a leading principle: the ethylene thermal shrinkage layer 4 is arranged between the wire core 1 and the inner protection layer 2, so that the adhesive has the characteristics of excellent adhesiveness, high final adhesion and high strength, and the effect of reducing thermal shrinkage is achieved; the filling layer is changed into the polyurethane rubber block 5, so that the polyurethane rubber block has higher tensile strength; by arranging the anion layer 7 between the fireproof flame-retardant layer 8 and the outer protective layer 3, dust particles in the air can be deposited, and the purpose of air purification is achieved.

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 an insulating armoured power cable of fire-retardant crosslinked of environment-friendly which characterized in that: including sinle silk (1), interior sheath (2) and outer jacket (3), be equipped with ethylene thermal contraction layer (4) between sinle silk (1) and the interior sheath (2), and the outside packing of sinle silk (1) has polyurethane rubber block (5), ethylene thermal contraction layer (4) are through cladding sinle silk (1) and polyurethane rubber block (5), interior sheath (2) are through the cladding ethylene thermal contraction layer (4), be equipped with steel band armor (6) between outer jacket (3) and interior sheath (2), and steel band armor (6) are through weaving the cladding in the interior sheath (2) outside, the outside cladding of outer jacket (3) has anion layer (7), the outside cladding of anion layer (7) has fire prevention flame retardant coating (8).

2. The environment-friendly flame-retardant cross-linked insulated armored power cable according to claim 1, wherein: sinle silk (1) include oxygen-free copper conductor (11), electrically conductive shielding area (12) and polyethylene insulating layer (13) that set gradually from inside to outside, electrically conductive shielding area (12) are through the cladding in the outside of oxygen-free copper conductor (11), polyethylene insulating layer (13) are through the cladding in the outside of electrically conductive shielding area (12).

3. The environment-friendly flame-retardant cross-linked insulated armored power cable according to claim 1, wherein: more than three wire cores (1) are arranged.

4. The environment-friendly flame-retardant cross-linked insulated armored power cable according to claim 1, wherein: the inner protection layer (2) is made of fluorinated ethylene propylene.

5. The environment-friendly flame-retardant cross-linked insulated armored power cable according to claim 1, wherein: the outer protective layer (3) is made of radiation cross-linked polyolefin.

6. The environment-friendly flame-retardant cross-linked insulated armored power cable according to claim 1, wherein: the thickness of the negative ion layer (7) is not less than 0.2 mm.