CN217386740U

CN217386740U - Mould-proof and damp-proof power line

Info

Publication number: CN217386740U
Application number: CN202221203825.XU
Authority: CN
Inventors: 钱剑
Original assignee: Yuyao Jindu Electric Co ltd
Current assignee: Yuyao Jindu Electric Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-09-06
Anticipated expiration: 2032-05-19

Abstract

The utility model discloses a damp-proofing power cord of mould proof, including power cord skin, inoxidizing coating, zero line, live wire, ground wire, conductive core, inner pad layer, insulating layer, dampproof course, around band layer, waterproof layer, mould proof layer, conductor shielding layer and parcel layer. Compared with the prior art, the utility model discloses possess following beneficial effect: this dampproofing power cord of mould proof, through setting up the insulating layer, insulating layer surface cladding dampproof course, the insulating layer and the dampproof course of dampproofing electric wire adopt double-deck crowded altogether, one-time shaping, set up mould proof layer and waterproof layer in its skin simultaneously, improve the mould proof dampproofing ability of power cord greatly, improve the life of power cord, this dampproofing electric wire improves greatly than the moisture resistance of simple one deck polyvinyl chloride insulating layer electric wire, and the cost is substantially the same, while technology, processability improve greatly, and cost greatly reduced.

Description

Mould-proof and damp-proof power line

Technical Field

The utility model relates to a power cord device specifically is a dampproofing power cord of mould proof.

Background

When the conventional BV type wire is used in the environments of civil, industrial, commercial and building, the insulating layer is made of polyvinyl chloride, so that the BV type wire is easy to absorb water and wet. The structure and material characteristics of the BV-type wire lead the wire to generate heat after long-term use, heat cannot be timely dissipated, and high heat accelerates the aging of the wire, so that the wire is easy to break down, and serious disasters such as people injury and fire hazard caused by electric discharge are caused.

The traditional BYJ type electric wire has the disadvantages of large material consumption per unit length, high cost, low cost performance, backward process technology and labor waste. The conventional BV or BYJ type wire production process has the following problems I) the conductor processing process is backward and only single layer extrusion is possible; 2) the insulating layer has unreasonable structure and no double-layer co-extrusion; 3) the BV type wire insulating layer has good air permeability, absorbs water, is easy to damp and accelerates the aging of the wire.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mould proof moisture proof power cord for solving above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: the utility model provides a dampproofing power cord of mould proof, includes zero line, live wire and ground wire, the outside of zero line, live wire and ground wire is provided with the inoxidizing coating, the outside of inoxidizing coating is provided with the power cord skin, the outside of zero line, live wire and ground wire is provided with the parcel layer, the inside on parcel layer is provided with the conductor shielding layer, the inboard of conductor shielding layer is provided with mould proof layer, the mould proof layer sets gradually the water blocking layer outward, around band layer, dampproof course, insulating layer, inner cushion layer and conductive core.

Preferably, the moisture-proof layer and the insulating layer are arranged to be concentric, and the moisture-proof layer and the insulating layer are formed in one step by double-layer concentric co-extrusion.

Preferably, the insulating layer is arranged between the moisture-proof layer and the inner cushion layer, and the insulating layer is a polyvinyl chloride insulating layer.

Preferably, the moisture-proof layer is arranged between the wrapping tape layer and the insulating layer, and the moisture-proof layer is a high-density crosslinked polyethylene layer.

Preferably, the power line outer layer 1, the protective layer 2 and the wrapping layer 14 are all arranged in a double-layer structure.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this mould proof damp-proof power cord through setting up the insulating layer, insulating layer surface cladding dampproof course, and the insulating layer and the dampproof course of dampproofing electric wire adopt the double-deck crowded altogether, and one-time molding sets up mould proof layer and water blocking layer in its skin simultaneously, improves the mould proof dampproofing ability of power cord greatly, improves the life of power cord.

2. Compared with a single-layer polyvinyl chloride insulating layer wire, the mould-proof and damp-proof power wire has the advantages that the damp-proof performance is greatly improved, the cost is basically equivalent, meanwhile, the process technology and the processability are greatly improved, and the cost is greatly reduced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the power cord of the present invention;

in the figure: 1. an outer layer of the power line; 2. a protective layer; 3. a zero line; 4. a live line; 5. a ground wire; 6. a conductive wire core; 7. an inner cushion layer; 8. an insulating layer; 9. a moisture barrier; 10. wrapping a belt layer; 11. a water resistant layer; 12. a mold-resistant layer; 13. a conductor shield layer; 14. and (7) a wrapping 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.

Example one

Referring to fig. 1-2, a mildew-proof and moisture-proof power line comprises a zero line 3, a fire line 4 and a ground line 5, wherein a protective layer 2 is arranged outside the zero line 3, the fire line 4 and the ground line 5, a moisture-proof layer 9 and an insulating layer 8 are arranged in a concentric structure, the moisture-proof layer 9 and the insulating layer 8 are formed by double-layer concentric co-extrusion and are formed at one time, a power line outer layer 1 is arranged outside the protective layer 2, the insulating layer 8 is arranged between the moisture-proof layer 9 and an inner cushion layer 7, the insulating layer 8 is a polyvinyl chloride insulating layer, a wrapping layer 14 is arranged on the outermost side of the zero line 3, the fire line 4 and the ground line 5, a conductor shielding layer 13 is arranged inside the wrapping layer 14, the moisture-proof layer 9 is arranged between a wrapping tape 10 and the insulating layer 8, the moisture-proof layer 9 is a high-density cross-linked polyethylene layer, and a mildew-proof layer 12 is arranged on the inner side of the conductor shielding layer 13, the outer 1 of power cord, inoxidizing coating 2 and parcel layer 14 all set up to bilayer structure, mould proof layer 12 sets gradually water blocking layer 11 outward in, around band layer 10, dampproof course 9, insulating layer 8, inner cushion layer 7 and conductive core 6.

Example two

As shown in fig. 1 to 2: the utility model provides a dampproofing power cord of mould proof, including zero line 3, live wire 4 and ground wire 5, zero line 3, the outside of live wire 4 and ground wire 5 is provided with inoxidizing coating 2, the outside of inoxidizing coating 2 is provided with power cord skin 1, zero line 3, the outside of live wire 4 and ground wire 5 is provided with parcel layer 14, the inside of parcel layer 14 is provided with conductor shield 13, the inboard of conductor shield 13 is provided with mould proof layer 12, mould proof layer 12 sets gradually the water blocking layer 11 in the outer, around band layer 10, dampproof course 9, insulating layer 8, inner cushion 7 and conductive core 6.

The working principle is as follows: when using this mould proof damp-proof power cord, at first, wrap up inner cushion layer 7, insulating layer 8, dampproof course 9, around band layer 10, water blocking layer 11, mould proof layer 12 and conductor shielding layer 13 in proper order on with conductive core 6, secondly utilize power cord skin 1, inoxidizing coating 2 and parcel layer 14 parcel with it, connect in power department can normal use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a dampproofing power cord of mould proof, includes zero line (3), live wire (4) and ground wire (5), its characterized in that: the outside of zero line (3), live wire (4) and ground wire (5) is provided with inoxidizing coating (2), the outside of inoxidizing coating (2) is provided with power cord skin (1), the outside of zero line (3), live wire (4) and ground wire (5) is provided with parcel layer (14), the inside of parcel layer (14) is provided with conductor shielding layer (13), the inboard of conductor shielding layer (13) is provided with mould proof layer (12), mould proof layer (12) have set gradually water blocking layer (11) in the outer, around band layer (10), dampproof course (9), insulating layer (8), inner cushion layer (7) and conductive core (6).

2. The power cord of claim 1, wherein: the moisture-proof layer (9) and the insulating layer (8) are arranged to be of a concentric structure, the moisture-proof layer (9) and the insulating layer (8) are formed in a one-step mode through double-layer concentric co-extrusion.

3. The power cord of claim 1, wherein: the insulating layer (8) is arranged between the moisture-proof layer (9) and the inner cushion layer (7), and the insulating layer (8) is a polyvinyl chloride insulating layer.

4. The power cord of claim 1, wherein: the moisture-proof layer (9) is arranged between the wrapping tape layer (10) and the insulating layer (8), and the moisture-proof layer (9) is a high-density crosslinked polyethylene layer.

5. The power cord of claim 1, wherein: the power line outer layer (1), the protective layer (2) and the wrapping layer (14) are all set to be of a double-layer structure.