CN218123031U

CN218123031U - Power line with corrosion-resistant function

Info

Publication number: CN218123031U
Application number: CN202221827283.3U
Authority: CN
Inventors: 覃德华; 尹志鹏; 倪颖婷; 左倩
Original assignee: Hubei Zhikang Electronic Co ltd
Current assignee: Hubei Zhikang Electronic Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-12-23
Anticipated expiration: 2032-07-16

Abstract

The utility model belongs to the technical field of the power cord technique and specifically relates to a power cord with corrosion-resistant function and specifically relates to a power cord, including protecting sheathing, protection inner shell and inner core, the stranded the inner core is located the inside of protection inner shell, the outside of protection inner shell is provided with the tensile layer, the tensile layer with be provided with corrosion resistant layer between the protecting sheathing, the polytetrafluoroethylene layer bonds protecting sheathing with between the butadiene acrylonitrile rubber layer, and the size on butadiene acrylonitrile rubber layer with the thickness on polytetrafluoroethylene layer is the same setting. The utility model discloses a double-deck housing's protection promotes the holistic intensity of power cord, is provided with the anticorrosion layer simultaneously in inside, with the help of the anticorrosive characteristics of material, the effectual life that has prolonged.

Description

Power line with corrosion-resistant function

Technical Field

The utility model relates to a power cord technical field especially relates to a power cord with corrosion-resistant function.

Background

The power line is a wire that transmits current, and the common way of transmitting current is point-to-point transmission. The power line can be divided into an AC power line and a DC power line according to the purpose;

the power cord on the existing market usually has not corrosion resistance, because the power cord need expose in the external world, the outside of power cord is corroded the back, causes inside inner core to expose, can produce the incident during the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the power line in the prior art needs to be exposed to the outside, the outside of the power line is corroded, the inner core inside is exposed, the safety accident can be generated during the use, and the power line with the corrosion-resistant function is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

designing a power line with a corrosion-resistant function, which comprises a protective outer shell, a protective inner shell and a plurality of inner cores, wherein the inner cores are positioned inside the protective inner shell, a tensile layer is arranged outside the protective inner shell, and a corrosion-resistant layer is arranged between the tensile layer and the protective outer shell;

the corrosion-resistant layer comprises a polytetrafluoroethylene layer and a butadiene-acrylonitrile rubber layer, the butadiene-acrylonitrile rubber layer is compositely bonded on the outer portion of the tensile layer, the polytetrafluoroethylene layer is bonded between the protective shell and the butadiene-acrylonitrile rubber layer, and the size of the butadiene-acrylonitrile rubber layer and the thickness of the polytetrafluoroethylene layer are the same.

Preferably, the tensile layer includes polystyrene layer, glass fiber layer and PVC layer, the PVC layer sets up the outside of protection inner shell, the polystyrene layer sets up the outside on butadiene acrylonitrile rubber layer, the glass fiber layer complex bonds between polystyrene layer and PVC layer, polystyrene layer, glass fiber layer and PVC layer thickness ratio are 1:1:2.

preferably, the inner and outer protective shells are polyethylene layers.

Preferably, a filling layer is arranged between the inner core and the protective inner shell, and the filling layer is a mica tape layer.

The utility model provides a pair of power cord with corrosion-resistant function, beneficial effect lies in: this power cord with corrosion-resistant function through double-deck casing's protection, promotes the holistic intensity of power cord, is provided with anti-corrosion coating simultaneously in inside, with the help of the anticorrosive characteristics of material, the effectual life that has prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a power line with a corrosion-resistant function according to the present invention.

Fig. 2 is an enlarged view of the structure of the tensile layer of the power line with corrosion resistance provided by the present invention.

Fig. 3 is a structure enlarged view of the corrosion-resistant layer of the power line with corrosion-resistant function according to the present invention.

In the figure: the composite material comprises a filling layer 1, an inner core 2, a tensile layer 3, a polystyrene layer 31, a glass fiber layer 32, a PVC layer 33, a protective inner shell 4, an anti-corrosion layer 5, a polytetrafluoroethylene layer 51, a butadiene-acrylonitrile rubber layer 52 and a protective outer shell 6.

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.

Example 1

Referring to fig. 1 and 3, the power cord with the corrosion resistance function comprises a protective outer shell 6, a protective inner shell 4 and inner cores 2, wherein the multiple inner cores 2 are positioned inside the protective inner shell 4, the protective inner shell 4 and the protective outer shell 6 are specifically polyethylene layers, polyethylene has excellent low temperature resistance, the lowest use temperature can reach-100 to-70 ℃, the chemical stability is good, most of acid and alkali erosion can be resisted, the power cord is insoluble in common solvents at normal temperature, the water absorption is small, and the electrical insulation property is excellent.

Be provided with filling layer 1 between inner core 2 and the protection inner shell 4, filling layer 1 is the mica tape layer, and the mica tape is as insulating product, has good high temperature resistance and fire resistance, has fine protection effect to the inner core 2 of protection inner shell 4 inside.

The outer portion of the inner protective shell 4 is provided with a tensile layer 3, a corrosion-resistant layer 5 is arranged between the tensile layer 3 and the outer protective shell 6, the corrosion-resistant layer 5 comprises a polytetrafluoroethylene layer 51 and a butadiene-acrylonitrile rubber layer 52, the butadiene-acrylonitrile rubber layer 52 is compositely bonded on the outer portion of the tensile layer 3, the polytetrafluoroethylene layer 51 is bonded between the outer protective shell 6 and the butadiene-acrylonitrile rubber layer 52, the size of the butadiene-acrylonitrile rubber layer 52 and the thickness of the polytetrafluoroethylene layer 51 are the same, the polytetrafluoroethylene and the butadiene-acrylonitrile rubber have good corrosion-resistant functions, the power cord is wrapped on the outer portion of the inner protective shell 4, the power cord is prevented from being corroded, and the service life of the power cord is prolonged.

Example 2

Referring to fig. 2, the difference between this embodiment and embodiment 1 is that the tensile layer 3 includes a polystyrene layer 31, a fiberglass layer 32 and a PVC layer 33, the PVC layer 33 is disposed on the outer side of the protective inner shell 4, the polystyrene layer 31 is disposed on the outer side of the butadiene-acrylonitrile rubber layer 52, the fiberglass layer 32 is compositely bonded between the polystyrene layer 31 and the PVC layer 33, and the thickness ratio of the polystyrene layer 31, the fiberglass layer 32 and the PVC layer 33 is 1:1:2, because the power cord exposes in the outside of equipment, the market receives the effect of external force, causes the condition of dragging, and the part that the outside protection appears cracks and cracked problem to set up polystyrene layer 31, PVC layer 33 and glass fiber layer 32, increase the outside pull resistance of power cord, avoid producing cracked problem and appear.

The concrete operating principle of the structure is as follows:

the polyethylene has excellent low temperature resistance, the lowest use temperature can reach-100 to-70 ℃, the chemical stability is good, most of acid and alkali erosion can be resisted, the polyethylene is insoluble in common solvents at normal temperature, the water absorption is small, and the electrical insulation property is excellent; because the power cord exposes in the outside of equipment, market receives the effect of external force, causes the condition of dragging, and the part that the external protection appears cracks and cracked problem to set up polystyrene layer 31, PVC layer 33 and glass fiber layer 32, increase the outside pull resistance of power cord, avoid producing cracked problem and appearing.

The mica tape is used as an insulating product, has excellent high temperature resistance and combustion resistance, has good protection effect on the inner core 2 inside the protective inner shell 4, has good corrosion resistance function on both polytetrafluoroethylene and nitrile butadiene rubber, is wrapped outside the protective inner shell 4, inhibits the power line from being corroded, and prolongs the service life of the power line.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A power line with a corrosion resistance function comprises a protective outer shell (6), a protective inner shell (4) and an inner core (2), and is characterized in that a plurality of strands of the inner core (2) are positioned inside the protective inner shell (4), a tensile layer (3) is arranged outside the protective inner shell (4), and a corrosion resistance layer (5) is arranged between the tensile layer (3) and the protective outer shell (6);

the corrosion-resistant layer (5) comprises a polytetrafluoroethylene layer (51) and a nitrile rubber layer (52), the nitrile rubber layer (52) is compositely bonded to the outer portion of the tensile layer (3), the polytetrafluoroethylene layer (51) is bonded between the protective shell (6) and the nitrile rubber layer (52), and the size of the nitrile rubber layer (52) is the same as the thickness of the polytetrafluoroethylene layer (51).

2. The power cord with the corrosion-resistant function according to claim 1, wherein the tensile layer (3) comprises a polystyrene layer (31), a glass fiber layer (32) and a PVC layer (33), the PVC layer (33) is arranged on the outer side of the protective inner shell (4), the polystyrene layer (31) is arranged on the outer side of the butadiene-acrylonitrile rubber layer (52), the glass fiber layer (32) is compositely bonded between the polystyrene layer (31) and the PVC layer (33), and the thickness ratio of the polystyrene layer (31), the glass fiber layer (32) and the PVC layer (33) is 1:1:2.

3. the corrosion-resistant functional power cord according to claim 2, characterized in that the inner protective shell (4) and the outer protective shell (6) are in particular polyethylene layers.

4. The power cord with corrosion resistance function according to claim 3, wherein a filling layer (1) is arranged between the inner core (2) and the protective inner shell (4), and the filling layer (1) is a mica tape layer.