CN216450444U

CN216450444U - Long-life environmental protection cable

Info

Publication number: CN216450444U
Application number: CN202121712631.8U
Authority: CN
Inventors: 李红东; 李晓红; 苟勇; 周凌云
Original assignee: Chengdu Chuanlan Cable Co ltd
Current assignee: Chengdu Chuanlan Cable Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-05-06
Anticipated expiration: 2031-07-27

Abstract

The utility model belongs to the technical field of power cables, and particularly relates to a long-life environment-friendly cable. The problem of ordinary cable accomplish long-time the use, with the house in same life-span is solved. The utility model comprises a long-life environment-friendly cable which comprises two strands of conducting wires, wherein an inner insulating layer wraps each strand of conducting wire, an outer insulating layer wraps the inner insulating layer, a shielding layer wraps the outer insulating layer, and a wear-resistant layer wraps the shielding layer. The utility model provides a long-life environment-friendly cable, which aims to prolong the service life of the cable, achieve the same service life with a house and reduce the cost of replacing and damaging the cable.

Description

Long-life environmental protection cable

Technical Field

The utility model belongs to the technical field of power cables, and particularly relates to a long-life environment-friendly cable.

Background

Because the traditional wire and cable has low use temperature and poor heat resistance, the circuit is aged quickly and the service life is terminated. The replacement of the lines is very troublesome and even the building structure needs to be damaged, so that the lines cannot be replaced in time or even not. In recent years, fire accidents caused by aging of wires and cables tend to increase year by year, the wires and the cables have the problems of short service life and environmental pollution, and the wires and the cables are placed close to corners of walls and are easy to be bitten by mice, so that the power of the wires and the cables leaks outwards, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides an environment-friendly cable with a long service life, which aims to prolong the service life of the cable, achieve the same service life as a house and reduce the cost of replacing and damaging the cable.

The technical scheme adopted by the utility model is as follows:

the utility model provides a long-life environmental protection cable, includes two strands of wires, and every strand of wire has all wrapped up the inner insulating layer outward, and the outer parcel of inner insulating layer has the outer insulating layer, and the outer parcel of outer insulating layer has the shielding layer, and the outer parcel of shielding layer has the wearing layer, be provided with the armor between shielding layer and the wearing layer.

By adopting the technical scheme, the inner insulating layers are wrapped outside the two wires, the outer insulating layers are wrapped outside the inner insulating layers, the shielding layers are wrapped outside the outer insulating layers, and the wear-resistant layers are wrapped outside the shielding layers, so that the inner wires can be sufficiently protected, and the purpose of long service life is achieved; current leakage is avoided in the double-deck insulation protection of inner insulating layer and outer insulating layer, and the shielding layer completely cuts off external signal interference, and the wearing layer is used for resisting the influence to the cable life-span that external physics friction brought, through be provided with the armor between shielding layer and wearing layer, can improve the shock resistance and the anti extrusion ability of cable, further improves the life-span of cable.

Preferably, the conducting wire is formed by stranding a plurality of high-resistance electrothermal alloy single wires. By adopting the preferable technical scheme, a plurality of high-resistance electrothermal alloy single wires are stranded to be used as the conducting wire, so that the service life of the conducting wire can be prolonged.

Preferably, the inner insulating layer and the outer insulating layer are made of polyvinyl chloride materials, and the thickness of the outer insulating layer is twice that of the inner insulating layer. By adopting the preferable technical scheme, the polyvinyl chloride insulating material contains halogen, so that the inner insulating layer and the outer insulating layer have good flame retardant effect, and the service life of the cable is prolonged.

Preferably, the shielding layer is made of a tinned copper wire. By adopting the preferable technical scheme, the tinned wire is used as the material of the shielding layer, the tinned wire is softer in material and good in conductivity, and compared with a bare copper wire, the tinned wire is stronger in corrosion resistance and oxidation resistance, and the service life of a weak current cable can be greatly prolonged.

Preferably, the material of the wear-resistant layer is polyolefin. By adopting the preferable technical scheme, the polyolefin is used as the material of the wear-resistant layer, so that the polyolefin is light in weight, good in corrosion resistance, good in mechanical strength and low in cost, and the wear resistance of the cable can be improved.

Preferably, the material of the armor layer is galvanized steel strip. By adopting the preferable technical scheme, the hard degree of the galvanized steel strip can resist the external physical impact of the cable by adopting the galvanized steel strip as the material of the armor layer, so that the cable is protected.

Preferably, an adhesive tape layer is disposed between the conductive wire and the inner insulating layer. By adopting the preferred technical scheme, the adhesive tape layer is arranged between the conducting wire and the inner insulating layer and wraps the conducting wire, the conducting wire is not a time conducting wire but a plurality of conducting wires twisted into one strand, and the conducting wires are wrapped together by the adhesive tape, so that the relative movement between the conducting wires can be avoided, and the inner insulating layer is further abraded.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the inner insulating layers wrap the two wires, the outer insulating layers wrap the inner insulating layers, the shielding layers wrap the outer insulating layers, and the wear-resistant layers wrap the shielding layers, so that the inner wires can be sufficiently protected, and the purpose of long service life is achieved; the double-layer insulation protection of the inner insulation layer and the outer insulation layer avoids current leakage, the shielding layer isolates external signal interference, and the wear-resistant layer is used for resisting influence on the service life of the cable caused by external physical friction.

2. The service life of the wire can be prolonged by stranding a plurality of high-resistance electrothermal alloy single wires to be used as the wire.

3. Because the polyvinyl chloride insulating material contains halogen, the inner insulating layer and the outer insulating layer have good flame retardant effect, and the service life of the cable is prolonged.

4. Through adopting the tinned wire as the material of shielding layer, the tinned wire material is softer, and electric conductive property is good, compares with naked copper line, and its corrosion resistance, oxidation resistance are stronger, can prolong the life of light current cable greatly.

5. The polyolefin has light weight, good corrosion resistance, good mechanical strength and low cost, and can improve the abrasion resistance of the cable.

6. Through being provided with the armor between shielding layer and wearing layer, can improve the shock resistance and the anti extrusion ability of cable, further improve the life-span of cable.

7. By adopting the galvanized steel strip as the material of the armor layer, the hard degree of the galvanized steel strip can resist the physical impact outside the cable, so that the cable is protected.

8. Through be provided with the sticky tape layer between wire and internal insulation layer, the sticky tape layer parcel holds the wire, and the wire is not a time wire, but several twists into the wire of one strand, utilizes the sticky tape to wrap up the wire together, can avoid the relative motion between the wire, and then causes wearing and tearing to the internal insulation layer.

Drawings

The utility model will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic cross-sectional view of the present invention.

Reference numerals

1-lead, 2-inner insulating layer, 3-outer insulating layer, 4-shielding layer, 5-wear-resistant layer

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of embodiments of the present application, generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

The present invention will be described in detail with reference to fig. 1.

Example 1:

as shown in fig. 1, a plurality of high-resistance electrothermal alloy single wires are twisted into two wires 1, a layer of adhesive tape is wrapped outside each wire 1, an inner insulating layer 2 is wrapped outside each adhesive tape layer, an outer insulating layer 3 is wrapped outside each inner insulating layer 2, the inner insulating layers 2 and the outer insulating layers 3 are both made of polyvinyl chloride, and the thickness of each outer insulating layer 3 is twice that of each inner insulating layer 2; two 3 parcels of outer insulating layer have the material to be tinned wire's shielding layer 4, and the outer parcel of shielding layer 4 has the material to be the armor of galvanized steel band, and the armor parcel has the material to be polyolefin's wearing layer 5 outward.

The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.

Claims

1. The utility model provides a long-life environmental protection cable, its characterized in that includes two strands of wires (1), and every strand of wire (1) all wraps up there is insulating inner layer (2) outward, and the outer parcel of insulating inner layer (2) has insulating outer layer (3), and the outer parcel of insulating outer layer (3) has shielding layer (4), and the outer parcel of shielding layer (4) has wearing layer (5), be provided with the armor between shielding layer (4) and wearing layer (5).

2. A long life environmental friendly cable as claimed in claim 1, wherein said conductor (1) is formed by stranding a plurality of high resistance electrothermal alloy element wires.

3. An environmentally friendly cable with a long service life as claimed in claim 1, wherein the inner insulating layer (2) and the outer insulating layer (3) are made of polyvinyl chloride material, and the thickness of the outer insulating layer (3) is twice that of the inner insulating layer (2).

4. The long-life environmental-friendly cable as claimed in claim 1, wherein the shielding layer (4) is made of tinned copper wire.

5. An environmentally friendly cable with a long service life as claimed in claim 1, wherein the material of said abrasion resistant layer (5) is polyolefin.

6. The long-life environmental protection cable of claim 1, wherein the material of said armor layer is galvanized steel tape.

7. The long-life environmental-friendly cable according to claim 1, wherein an adhesive tape layer is arranged between the conducting wire (1) and the inner insulating layer (2).