CN210443301U

CN210443301U - Power line with long service life

Info

Publication number: CN210443301U
Application number: CN201921779968.3U
Authority: CN
Inventors: 廖琴兰
Original assignee: Guangdong Huashao Wire And Cable Co Ltd
Current assignee: Guangdong Huashao Wire And Cable Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-05-01
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a long service life's power cord, including the metallic conductor sinle silk, the surface cladding of metallic conductor sinle silk has the shielding layer, the surface of shielding layer is connected with high temperature resistant fire-retardant layer through the adhesive, high temperature resistant fire-retardant layer comprises low smoke and zero halogen crosslinked polyethylene fire-retardant layer and methyl ethylene silastic-layer, the surface on high temperature resistant fire-retardant layer is connected with the insulating layer through the adhesive, the surface cladding of insulating layer has the tensile layer, the surface of tensile layer is connected with the wearing layer through the adhesive. The utility model discloses a set up the shielding layer, be favorable to resisting electromagnetic induction and the bad interference of ground connection, through setting up the fire-retardant layer of low smoke and zero halogen crosslinked polyethylene, fire behaviour is excellent, and the security is good, and the smoke intensity is less during the burning, and non-corrosive gas wafts out, has reduced the harm to the person, through setting up methyl ethylene silastic-layer for the power cord has possessed resistant high, low temperature nature and ageing resistance.

Description

Power line with long service life

Technical Field

The utility model relates to a power wire rod technical field specifically is a long service life's power cord.

Background

Although the wire and cable industry is a matched industry, the wire and cable industry occupies the output value of 1/4 in the Chinese electrical industry, has various product types and wide application range, relates to the industries of electric power, construction, communication, manufacturing and the like, is closely related to each department of national economy, and an outer protective layer of the conventional power line only has an insulating effect and single performance, so that the service life of the power line is shortened.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a long service life's power cord possesses long service life's advantage, and the outer jacket of having solved current power cord often only possesses insulating effect, and the performance is single to power cord life's problem has been reduced.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a long service life's power cord, includes the metal conductor sinle silk, the surface cladding of metal conductor sinle silk has the shielding layer, the surface of shielding layer is connected with high temperature resistant fire-retardant layer through the adhesive, high temperature resistant fire-retardant layer comprises low smoke and zero halogen cross-linked polyethylene fire-retardant layer and methyl ethylene silicone rubber layer, the surface on high temperature resistant fire-retardant layer is connected with the insulating layer through the adhesive, the surface cladding of insulating layer has the tensile layer, the surface of tensile layer is connected with the wearing layer through the adhesive, the wearing layer comprises butadiene-acrylonitrile rubber layer and polyamide coating.

Preferably, the shielding layer is a tinned copper wire, and the thickness of the shielding layer is 0.02-0.05 mm.

Preferably, the outer surface of the low-smoke halogen-free crosslinked polyethylene flame-retardant layer is connected with the inner surface of the methyl ethylene silicone rubber layer through an adhesive, and the polyamide coating is coated on the outer surface of the nitrile rubber layer.

Preferably, the tensile layer is a glass fiber layer, and the thickness of the tensile layer is 0.03-0.07 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a long service life's power cord possesses following beneficial effect:

the utility model has the advantages of good flame retardant property, good safety, less smoke during burning, no corrosive gas flowing out, reduced damage to human body, high temperature resistance, low temperature resistance and aging resistance, good insulating property, strong heat resistance, good corrosion resistance and high mechanical strength, and can prevent the power line from being easily broken and prolong the service life of the power line by arranging the methylethylene silicone rubber layer, excellent oil resistance, high wear resistance, good heat resistance and strong bonding force by arranging the butyronitrile rubber layer, further improving the wear resistance of the power line by arranging the polyamide coating, thereby avoiding the easy abrasion of the power line, the problem of current outer jacket of power cord often only possess insulating effect, the performance is single to power cord life has been reduced is solved.

Drawings

Fig. 1 is a schematic cross-sectional structure diagram of the power cord of the present invention;

FIG. 2 is a schematic sectional view of the high temperature resistant flame retardant layer of the present invention;

fig. 3 is the schematic view of the sectional structure of the wear-resistant layer of the present invention.

In the figure: 1. a metal conductor core; 2. a shielding layer; 3. a high temperature resistant flame retardant layer; 301. a low-smoke halogen-free crosslinked polyethylene flame-retardant layer; 302. a methyl vinyl silicone rubber layer; 4. an insulating layer; 5. a tensile layer; 6. a wear layer; 601. a nitrile rubber layer; 602. and (3) coating polyamide.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses a metal conductor sinle silk 1, shielding layer 2, high temperature resistant fire-retardant layer 3, low smoke and zero halogen crosslinked polyethylene fire-retardant layer 301, methyl ethylene silicone rubber layer 302, insulating layer 4, tensile layer 5, wearing layer 6, butadiene acrylonitrile rubber layer 601 and polyamide coating 602 part are the parts that general standard spare or field technician know, and its structure and principle all are this technical staff and all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-3, a power cord with a long service life includes a metal conductor core 1, a shielding layer 2 is coated on the outer surface of the metal conductor core 1, the shielding layer 2 is a tinned copper wire, the thickness of the shielding layer 2 is 0.02-0.05mm, the shielding layer 2 is arranged to be beneficial to resisting electromagnetic induction and bad ground interference, the outer surface of the shielding layer 2 is connected with a high temperature resistant flame retardant layer 3 through an adhesive, the high temperature resistant flame retardant layer 3 is composed of a low smoke zero halogen cross-linked polyethylene flame retardant layer 301 and a methyl ethylene silicone rubber layer 302, the outer surface of the low smoke zero halogen cross-linked polyethylene flame retardant layer 301 is connected with the inner surface of the methyl ethylene silicone rubber layer 302 through the adhesive, the low smoke zero halogen cross-linked polyethylene flame retardant layer 301 is arranged to have excellent flame retardant performance, good safety, low smoke during combustion, no corrosive gas is emitted, and damage to human body, through the arrangement of the methyl vinyl silicone rubber layer 302, the power line has high temperature resistance, low temperature resistance and aging resistance, the outer surface of the high temperature resistant flame retardant layer 3 is connected with the insulating layer 4 through an adhesive, the outer surface of the insulating layer 4 is coated with the tensile layer 5, the tensile layer 5 is a glass fiber layer, the thickness of the tensile layer 5 is 0.03-0.07mm, through the arrangement of the tensile layer 5, the power line has the characteristics of good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength, the power line is prevented from being easily broken, the service life of the power line is prolonged, the outer surface of the tensile layer 5 is connected with the wear-resistant layer 6 through the adhesive, the wear-resistant layer 6 consists of a nitrile rubber layer 601 and a polyamide coating 602, the polyamide coating 602 is coated on the outer surface of the nitrile rubber layer 601, through the arrangement of the nitrile rubber layer 601, the, the adhesive force is strong, and the wear-resisting property of the power line is further improved by arranging the polyamide coating 602, so that the power line is prevented from being easily worn.

When in use, the shielding layer 2 is arranged, which is beneficial to resisting electromagnetic induction and bad ground interference, the low-smoke halogen-free crosslinked polyethylene flame-retardant layer 301 is arranged, which has excellent flame-retardant property and good safety, has small smoke intensity during combustion, no corrosive gas drifts out, and reduces the damage to human body, the methylethylene silicone rubber layer 302 is arranged, so that the power line has high and low temperature resistance and aging resistance, the tensile layer 5 is arranged, so that the power line has the characteristics of good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength, the power line is prevented from being easily broken, the service life of the power line is prolonged, the butyronitrile rubber layer 601 is arranged, which has excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force, the wear resistance of the power line is further improved by arranging the polyamide coating layer 602, thereby avoiding easy wear of the power line, the problem of current outer jacket of power cord often only possess insulating effect, the performance is single to power cord life has been reduced is solved.

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 long service life's power cord, includes metal conductor sinle silk (1), its characterized in that: the surface cladding of metallic conductor sinle silk (1) has shielding layer (2), the surface of shielding layer (2) is connected with high temperature resistant fire-retardant layer (3) through the adhesive, high temperature resistant fire-retardant layer (3) comprises low smoke and zero halogen cross-linked polyethylene fire-retardant layer (301) and methyl ethylene silicone rubber layer (302), the surface of high temperature resistant fire-retardant layer (3) is connected with insulating layer (4) through the adhesive, the surface cladding of insulating layer (4) has tensile layer (5), the surface of tensile layer (5) is connected with wearing layer (6) through the adhesive, wearing layer (6) comprise butyronitrile rubber layer (601) and polyamide coating (602).

2. A long-life power cord as claimed in claim 1, wherein: the shielding layer (2) is a tinned copper wire, and the thickness of the shielding layer (2) is 0.02-0.05 mm.

3. A long-life power cord as claimed in claim 1, wherein: the outer surface of the low-smoke halogen-free crosslinked polyethylene flame-retardant layer (301) is connected with the inner surface of the methyl vinyl silicone rubber layer (302) through an adhesive, and the polyamide coating (602) is coated on the outer surface of the nitrile rubber layer (601).

4. A long-life power cord as claimed in claim 1, wherein: the tensile layer (5) is a glass fiber layer, and the thickness of the tensile layer (5) is 0.03-0.07 mm.