CN216772885U

CN216772885U - Outdoor waterproof electric wire of ageing resistance

Info

Publication number: CN216772885U
Application number: CN202123384683.XU
Authority: CN
Inventors: 孙晓冬; 刘仁静
Original assignee: Suzhou Yonghao Cable Co ltd
Current assignee: Suzhou Yonghao Cable Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-17
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an anti-aging outdoor waterproof wire, relates to the technical field of wires, and aims to solve the problems that when the existing wire is used in a humid environment, an outer sheath part of the existing wire is generally in large-area contact with the ground, is easily influenced by underground moisture, and the service life of the existing wire is shortened. The utility model discloses a silicon rubber insulation oversheath, including silicon rubber insulation oversheath, dampproofing support bar, and four dampproofing support bars all set up with silicon rubber insulation oversheath integrated into one piece, be provided with the steel wire armor on the inner wall of silicon rubber insulation oversheath, be provided with waterproof flame retardant fiber layer on the inner wall of steel wire armor, be provided with silicon rubber insulation inner sheath on waterproof flame retardant fiber layer's the inner wall, the inside of silicon rubber insulation inner sheath is provided with insulating filling layer, the inside of insulating filling layer is provided with the conductor sinle silk.

Description

Outdoor waterproof electric wire of ageing resistance

Technical Field

The utility model relates to the technical field of electric wires, in particular to an anti-aging outdoor waterproof electric wire.

Background

Wire and cable refers to materials used in power, electrical and related transmission applications. "wires" and "cables" are not strictly defined. Products with small number of cores, small product diameter and simple structure are generally called wires, products without insulation are called bare wires, and other products are called cables; larger (greater than 6 square millimeters) conductor cross-sectional areas are referred to as large cables, and smaller (less than or equal to 6 square millimeters) are referred to as electrical wires.

However, when the existing electric wire is used in a humid environment, the outer sheath part of the existing electric wire is generally in large-area contact with the ground, is easily affected by underground moisture, and reduces the service life.

We have proposed an anti-aging outdoor waterproof electric wire in order to solve the problems set forth above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-aging outdoor waterproof electric wire, which solves the problems that when the existing electric wire proposed in the background art is used in a humid environment, an outer sheath part of the existing electric wire is generally in large-area contact with the ground, is easily influenced by underground moisture and has a shortened service life.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an outdoor waterproof electric wire of ageing resistance, includes silicon rubber insulating outer sheath, the outside dampproofing support bar that all is provided with all around of silicon rubber insulating outer sheath, dampproofing support bar are provided with four, and four dampproofing support bars all set up with silicon rubber insulating outer sheath integrated into one piece, be provided with the steel wire armor on the inner wall of silicon rubber insulating outer sheath, be provided with waterproof flame retardant fiber layer on the inner wall of steel wire armor, be provided with silicon rubber insulating inner sheath on waterproof flame retardant fiber layer's the inner wall, the inside of silicon rubber insulating inner sheath is provided with insulating filling layer, the inside of insulating filling layer is provided with the conductor sinle silk.

Preferably, be provided with anti-skidding line on the outer wall of dampproofing support bar, and anti-skidding line sets up with dampproofing support bar integrated into one piece.

Preferably, the waterproof flame-retardant fiber layer comprises a glass fiber cloth substrate and a polyurethane coating layer, and the polyurethane coating layer is arranged on the outer surface of the glass fiber cloth substrate.

Preferably, an aluminum oxide coating is arranged on the outer wall of the silicon rubber insulating outer sheath.

Preferably, a metal shielding layer is arranged on the inner wall of the silicon rubber insulating inner sheath.

Preferably, an outer semi-conductive shielding layer is arranged between the metal shielding layer and the insulating filling layer, and an inner semi-conductive shielding layer is arranged between the conductor wire core and the insulating filling layer.

Preferably, the steel wire armor layer is arranged between the silicon rubber insulating outer sheath and the waterproof flame-retardant fiber layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the four moisture-proof support strips are arranged outside the silicon rubber insulating outer sheath, when the electric wire is paved and used in a humid environment, no matter what angle the electric wire is positioned, the two moisture-proof support strips can support the electric wire, so that the bottom surface of the sheath is prevented from being directly contacted with the ground, and the problems that the outer sheath part of the existing electric wire is generally contacted with the ground in a large area, the influence of underground moisture is easily caused, and the service life is shortened when the existing electric wire is used in the humid environment are solved.

2. Through set up waterproof flame retardant fiber layer inside the electric wire, waterproof flame retardant fiber layer is made by glass fiber cloth base member surface coating polyurethane coating, can possess the fire-retardant and the water-proof effects of polyurethane of glass fiber cloth simultaneously, and the silicon rubber insulation inner sheath of cooperation inlayer and outermost silicon rubber insulation outer sheath use, and triple waterproof has improved the security.

3. Through the outside coating alumina coating at silicon rubber insulation oversheath, can further promote the ageing resistance effect of electric wire, simultaneously, because of the setting of four dampproofing support bars, the alumina coating is difficult for receiving factors such as external friction to take place wearing and tearing, and the ageing of reseing is long.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a partial structural view of the waterproof and flame-retardant fiber layer of the present invention;

in the figure: 1. a silicon rubber insulating outer sheath; 2. the moisture-proof support bars; 3. anti-skid lines; 4. a steel wire armor layer; 5. a waterproof flame-retardant fiber layer; 501. a glass fiber cloth substrate; 502. a polyurethane coating layer; 6. a silicon rubber insulating inner sheath; 7. a metal shielding layer; 8. an outer semiconductive shield layer; 9. an insulating filling layer; 10. an inner semiconductive shield layer; 11. a conductor core; 12. and (3) coating aluminum oxide.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: the utility model provides an outdoor waterproof electric wire of ageing resistance, including silicon rubber insulating outer sheath 1, silicon rubber insulating outer sheath 1 is outside all be provided with dampproofing support bar 2 all around, dampproofing support bar 2 is provided with four, and four dampproofing support bar 2 all set up with silicon rubber insulating outer sheath 1 integrated into one piece, be provided with steel wire armor 4 on silicon rubber insulating outer sheath 1's the inner wall, be provided with waterproof flame retardant fiber layer 5 on steel wire armor 4's the inner wall, be provided with silicon rubber insulating inner sheath 6 on waterproof flame retardant fiber layer 5's the inner wall, the inside of silicon rubber insulating inner sheath 6 is provided with insulating filling layer 9, the inside of insulating filling layer 9 is provided with conductor sinle silk 11.

Further, be provided with anti-skidding line 3 on the outer wall of dampproofing support bar 2, and anti-skidding line 3 sets up with 2 integrated into one piece of dampproofing support bar, dampproofing support bar 2 is provided with four groups, the equipartition is on the outer wall of electric wire, no matter what angle the electric wire is in, all have two dampproofing support bars 2 to support it, avoid the sheath bottom surface directly to touch to earth, receive underground moisture influence, the anti-skidding line on 2 surfaces of dampproofing support bar can increase the frictional force that touches to earth, improves wiring stability.

Further, the waterproof flame-retardant fiber layer 5 comprises a glass fiber cloth substrate 501 and a polyurethane coating layer 502, the polyurethane coating layer 502 is arranged on the outer surface of the glass fiber cloth substrate 501, the glass fiber cloth substrate 501 has good flame-retardant performance, and the polyurethane coating layer 502 is coated on the surface of the glass fiber cloth substrate, so that the glass fiber cloth substrate has good waterproof performance.

Further, be provided with alumina coating 12 on the outer wall of silicon rubber insulating outer sheath 1, silicon rubber insulating outer sheath 1 self has better weatherability, and its ageing resistance effect can further be promoted to its outside alumina coating 12, prolongs the life of electric wire.

Further, a metal shielding layer 7 is arranged on the inner wall of the silicon rubber insulating inner sheath 6, and the metal shielding layer 7 is formed by wrapping a copper strip and mainly plays a role in shielding an electric field.

Further, an outer semi-conductive shielding layer 8 is arranged between the metal shielding layer 7 and the insulating filling layer 9, an inner semi-conductive shielding layer 10 is arranged between the conductor wire core 11 and the insulating filling layer 9, the outer semi-conductive shielding layer 8 and the metal shielding layer 7 are equipotential and are in good contact with the insulating filling layer 9, partial discharge between the conductor wire core and the metal shielding layer 7 due to defects such as cable insulating surface cracks can be avoided, the inner semi-conductive shielding layer 10 can be used for homogenizing an outer surface electric field of the conductor wire core 11, and partial discharge between the conductor and the insulation due to unsmooth surface of the conductor wire core 11 and air gaps generated by wire core twisting is avoided.

Further, steel wire armor 4 sets up between silicon rubber insulating outer sheath 1 and waterproof flame retardant fiber layer 5, and steel wire armor 4 can promote the holistic tensile of electric wire and drag the performance.

The working principle is as follows: when the wire is used, the four moisture-proof support bars 2 are uniformly arranged outside the wire, when the wire is paved and used in a humid environment, no matter what angle the wire is positioned, the two moisture-proof support bars 2 can support the wire, the bottom surface of the sheath is prevented from directly touching the ground and being influenced by underground moisture, the outermost layer of the wire is the silicon rubber insulating outer sheath 1 and has better weather resistance, the outer part of the wire is coated with the alumina coating 12, the anti-aging effect can be further improved, meanwhile, due to the arrangement of the four moisture-proof support bars 2, the alumina coating 12 is not easy to be worn by factors such as external friction and the like, the retention time is long, the steel wire armor layer 4 is arranged on the inner wall of the silicon rubber insulating outer sheath 1, the integral tensile drag performance of the wire can be improved, the waterproof flame-retardant fiber layer 5 is arranged on the inner wall of the steel wire armor layer 4, and the waterproof flame-retardant fiber layer 5 is made of the polyurethane coating 502 coated on the surface of the glass fiber cloth substrate 501, the flame-retardant polyurethane waterproof cable can simultaneously have the flame-retardant effect of glass fiber cloth and the waterproof effect of polyurethane, is matched with the inner silicon rubber insulating sheath 6 on the inner layer and the outermost silicon rubber insulating sheath 1 for use, is triple waterproof, and improves safety.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an outdoor waterproof electric wire of ageing resistance, includes silicon rubber insulating outer sheath (1), its characterized in that: all be provided with dampproofing support bar (2) around silicon rubber insulating outer sheath (1) is outside, dampproofing support bar (2) are provided with four, and four dampproofing support bars (2) all set up with silicon rubber insulating outer sheath (1) integrated into one piece, be provided with steel wire armor (4) on the inner wall of silicon rubber insulating outer sheath (1), be provided with waterproof flame retardant fiber layer (5) on the inner wall of steel wire armor (4), be provided with silicon rubber insulating inner sheath (6) on the inner wall of waterproof flame retardant fiber layer (5), the inside of silicon rubber insulating inner sheath (6) is provided with insulating filling layer (9), the inside of insulating filling layer (9) is provided with conductor sinle silk (11).

2. The outdoor waterproof electric wire of claim 1, characterized in that: be provided with on the outer wall of dampproofing support bar (2) anti-skidding line (3), and anti-skidding line (3) and dampproofing support bar (2) integrated into one piece set up.

3. The outdoor waterproof electric wire of claim 1, characterized in that: the waterproof flame-retardant fiber layer (5) comprises a glass fiber cloth substrate (501) and a polyurethane coating layer (502), and the polyurethane coating layer (502) is arranged on the outer surface of the glass fiber cloth substrate (501).

4. The outdoor waterproof electric wire of claim 1, characterized in that: an aluminum oxide coating (12) is arranged on the outer wall of the silicon rubber insulating outer sheath (1).

5. The outdoor waterproof electric wire of claim 1, characterized in that: and a metal shielding layer (7) is arranged on the inner wall of the silicon rubber insulating inner sheath (6).

6. The anti-aging outdoor waterproof wire according to claim 5, characterized in that: an outer semi-conductive shielding layer (8) is arranged between the metal shielding layer (7) and the insulating filling layer (9), and an inner semi-conductive shielding layer (10) is arranged between the conductor wire core (11) and the insulating filling layer (9).

7. The outdoor waterproof electric wire of claim 1, characterized in that: the steel wire armor layer (4) is arranged between the silicon rubber insulating outer sheath (1) and the waterproof flame-retardant fiber layer (5).