CN215342058U

CN215342058U - Fireproof and moistureproof cable

Info

Publication number: CN215342058U
Application number: CN202121981897.2U
Authority: CN
Inventors: 尹民强
Original assignee: Hebei Pengjie Cable Co ltd
Current assignee: Hebei Pengjie Cable Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2021-12-28
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a fireproof and moistureproof cable which comprises a wear-resistant layer, wherein a first insulating layer is fixedly connected to the inner surface of the wear-resistant layer, a heat-insulating layer is fixedly connected to the inner surface of the first insulating layer, a buffer layer is arranged in the heat-insulating layer, a first waterproof layer is arranged in the buffer layer, a tensile layer is fixedly connected to the inner surface of the first waterproof layer, a flame-retardant layer is fixedly connected to the inner surface of the tensile layer, a second waterproof layer is fixedly connected to the inner surface of the flame-retardant layer, a plurality of cables are arranged in the second waterproof layer in a circumferential direction at equal intervals, and the second waterproof layer and the cables are filled through insulating minerals.

Description

Fireproof and moistureproof cable

Technical Field

The utility model relates to the technical field of cables, in particular to a fireproof and moistureproof cable.

Background

With the increasing development of scientific and technological information technology, information exchange and power resource transmission in China, wherein a cable is used as a medium for power transmission and power distribution and is widely applied to aspects of control installation, connection equipment, power transmission and the like, the cable is likely to have short circuit or open circuit problems in the use process and can cause power communication interruption, so that at present when the information technology is rapidly developed, the requirements for ensuring the reliability of information transmission and power supply are higher and higher, the requirements for the performance of the cable are higher, the performance indexes of the performance of the cable are reflected in the aspects of fire resistance, moisture resistance, explosion resistance, corrosion resistance, temperature performance, expansion performance, tensile strength, elasticity, plasticity, hardness, toughness, fatigue strength and the like besides the self conductivity, but the existing power cable has poor moisture-proof and fire-proof effects, the long-term use leads to destructive insulation breakdown, causes electric power accidents, and has low safety.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fireproof and moistureproof cable so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a fireproof and moistureproof cable which comprises a wear-resistant layer, wherein a first insulating layer is fixedly connected to the inner surface of the wear-resistant layer, a heat insulation layer is fixedly connected to the inner surface of the first insulating layer, a buffer layer is arranged in the heat insulation layer, a first waterproof layer is arranged in the buffer layer, a stretch-resistant layer is fixedly connected to the inner surface of the first waterproof layer, a flame-retardant layer is fixedly connected to the inner surface of the stretch-resistant layer, a second waterproof layer is fixedly connected to the inner surface of the flame-retardant layer, a plurality of cables are arranged in the second waterproof layer in a circumferential direction at equal intervals, and the second waterproof layer and the cables are filled through insulating minerals.

Preferably, a second insulating layer is fixedly connected to the outer surface of the cable, and the outer surface of the second insulating layer is in contact with the insulating mineral.

Preferably, the buffer layer comprises a plurality of first bulges fixedly connected with the inner surface of the heat insulation layer at equal intervals, and one ends of the first bulges, which are far away from the heat insulation layer, are abutted against the outer surface of the first waterproof layer; the buffer layer further comprises a plurality of second bulges fixedly connected with the outer surface of the first waterproof layer at equal intervals, one ends of the second bulges, far away from the first waterproof layer, are abutted to the heat insulation layer, and the first bulges and the second bulges are alternately arranged.

Preferably, the anti-stretching layer is formed by annularly arranging a plurality of steel wires, asbestos is filled between the steel wires, and the anti-stretching layer is fixed through the first waterproof layer and the flame-retardant layer.

Preferably, a plurality of through holes are formed in the first protrusion and the second protrusion, and absorbent cotton is arranged in the first protrusion and the second protrusion.

Preferably, the heat insulation layer is fixedly connected with the first protrusions through adhesives, and the first waterproof layer is fixedly connected with the second protrusions through adhesives.

Preferably, the flame retardant layer is a linear aromatic polymer compound.

Preferably, the heat insulation layer is a high temperature resistant compound.

The utility model discloses the following technical effects: the service life of the fireproof and moistureproof cable is prolonged by arranging the wear-resistant layer outside the seat of the cable, the first insulating layer is arranged in the wear-resistant layer to prevent short circuit, the thermal insulation layer is arranged in the first insulating layer to keep constant temperature in the cable, so that high temperature cannot be transmitted into the cable, the buffer layer is arranged in the thermal insulation layer to reduce impact force of the outside to the inside of the cable and prolong the service life of the cable, the first waterproof layer is arranged in the buffer layer to block water to the outside of the first waterproof layer to prevent water from entering the cable, the anti-stretching layer is arranged in the first waterproof layer to increase the service strength of the cable and prevent the cable from being damaged difficultly, the flame-retardant layer is arranged in the anti-stretching layer to prevent fire from entering the inside of the cable when the outside of the cable catches fire, the second waterproof layer is arranged in the flame-retardant layer to prevent water from entering the inside of the cable when the first waterproof layer fails, and short circuit is caused, and insulation fireproof protection is performed on the cable by filling insulation minerals between the second waterproof layer and the cable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a schematic view of the construction of the fireproof and moisture-proof cable according to the present invention;

wherein: 1. a wear layer; 2. a first insulating layer; 3. a thermal insulation layer; 4. a first waterproof layer; 5. A stretch resistant layer; 6. a flame retardant layer; 7. a second waterproof layer; 8. a cable; 9. an insulating mineral; 10. A second insulating layer; 11. a buffer layer; 12. a first protrusion; 13. a second protrusion; 14. a steel wire.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1, the utility model provides a fireproof and moistureproof cable, which comprises a wear-resistant layer 1, wherein a first insulating layer 2 is fixedly connected to the inner surface of the wear-resistant layer 1, a heat insulating layer 3 is fixedly connected to the inner surface of the first insulating layer 2, a buffer layer 11 is arranged in the heat insulating layer 3, a first waterproof layer 4 is arranged in the buffer layer 11, a stretch-resistant layer 5 is fixedly connected to the inner surface of the first waterproof layer 4, a flame-retardant layer 6 is fixedly connected to the inner surface of the stretch-resistant layer 5, a second waterproof layer 7 is fixedly connected to the inner surface of the flame-retardant layer 6, a plurality of cables 8 are arranged in the second waterproof layer 7 at equal intervals in the circumferential direction, and the second waterproof layer 7 and the cables 8 are filled through insulating minerals 9.

The service life of the fireproof and moistureproof cable is prolonged by arranging the wear-resistant layer 1 outside the seat of the cable 8, the first insulating layer 2 is arranged in the wear-resistant layer 1, so that the cable cannot generate a short circuit problem, the heat-insulating layer 3 is arranged in the first insulating layer 2, so that the temperature in the cable 8 is kept constant, the high temperature cannot be transmitted into the cable 8, the buffer layer 11 is arranged in the heat-insulating layer 3, so that the impact force of the outside on the inside of the cable 8 is reduced, the service life of the cable 8 is prolonged, the first waterproof layer 4 is arranged in the buffer layer 11, so that water is blocked to the outside of the first waterproof layer 4, so that the water is prevented from entering the cable 8, the tensile layer 5 is arranged in the first waterproof layer 4, so that the service strength of the cable 8 is increased, so that the cable is not easy to damage, the flame is prevented from entering the inside of the cable 8 when the outside of the cable 8 catches fire by arranging the flame-retardant layer 6 in the tensile layer 5, through set up second waterproof layer 7 in fire-retardant layer 6, when preventing that first waterproof layer 4 from becoming invalid, water gets into inside the cable 8, causes the short circuit, through filling insulating mineral 9 between second waterproof layer 7 and cable 8, carries out insulating fire protection to cable 8.

According to the further optimization scheme, the outer surface of the cable 8 is fixedly connected with the second insulating layer 10, the outer surface of the second insulating layer 10 is in contact with the insulating mineral 9, and when the first insulating layer 2 on the outer portion is failed, the cable 8 is protected, and short circuit is prevented.

According to a further optimized scheme, the buffer layer 11 comprises a plurality of first bulges 12 fixedly connected with the inner surface of the heat insulation layer 3 at equal intervals, and one ends of the first bulges 12, which are far away from the heat insulation layer 3, are abutted against the outer surface of the first waterproof layer 4; the buffer layer 11 further includes a plurality of second protrusions 13 fixedly connected to the outer surface of the first waterproof layer 4 at equal intervals, one end of each second protrusion 13, which is far away from the first waterproof layer 4, is abutted to the heat insulation layer 3, and the first protrusions 12 and the second protrusions 13 are alternately arranged.

The first protrusions 12 and the second protrusions 13 are alternately arranged in the buffer layer 11 to increase the buffering effect of the buffer layer 11, and when the protrusion on one side fails, the protrusion on the other side can also function.

According to the further optimized scheme, the anti-stretching layer 5 is formed by annularly arranging a plurality of steel wires 14, asbestos is filled among the steel wires 14 and is fixed through the first waterproof layer 4 and the flame-retardant layer 6, and the tensile property of the cable 8 is improved.

Further optimize the scheme, be equipped with a plurality of through-holes on first arch 12 and the second arch 13, be equipped with the cotton that absorbs water in first arch 12 and the second arch 13, when water infiltration buffer layer 11 in, the cotton that absorbs water can absorb certain moisture, alleviates first waterproof layer 4's waterproof pressure.

According to a further optimized scheme, the heat insulation layer 3 is fixedly connected with the first bulges 12 through an adhesive, and the first waterproof layer 4 is fixedly connected with the second bulges 13 through an adhesive.

In a further optimized scheme, the heat insulation layer 3 is made of a high-temperature resistant material, specifically, fluorinated ethylene propylene.

In a further optimized scheme, the first waterproof layer 4 is water-blocking glass yarns, and when water and the water-blocking glass yarns expand, the water is isolated outside the first waterproof layer 4.

In a further optimized scheme, the flame-retardant layer 6 is made of linear aromatic high molecular compounds, specifically polyether-ether-ketone.

In a further optimized scheme, the wear-resistant layer 1 is made of a high-wear-resistant material, specifically polypropylene or polyester.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. A fireproof and moisture-proof cable is characterized in that: including wearing layer (1), the internal surface rigid coupling of wearing layer (1) has first insulation layer (2), the internal surface rigid coupling of first insulation layer (2) has insulating layer (3), be equipped with buffer layer (11) in insulating layer (3), be equipped with first waterproof layer (4) in buffer layer (11), the inherent stretch-proofing layer of internal surface (5) of first waterproof layer (4), the internal surface rigid coupling of stretch-proofing layer (5) has fire-retardant layer (6), the internal surface rigid coupling of fire-retardant layer (6) has second waterproof layer (7), circumference is equipped with a plurality of cables (8) in second waterproof layer (7) between the same time, second waterproof layer (7) with fill through insulating mineral (9) between cable (8).

2. A fire and moisture resistant cable as claimed in claim 1, wherein: the outer surface of cable (8) is rigid coupling has second insulating layer (10), the surface of second insulating layer (10) with insulating mineral (9) contact.

3. A fire and moisture resistant cable as claimed in claim 1, wherein: the buffer layer (11) comprises a plurality of first bulges (12) fixedly connected with the inner surface of the heat insulation layer (3) at equal intervals, and one ends of the first bulges (12) far away from the heat insulation layer (3) are abutted against the outer surface of the first waterproof layer (4); the buffer layer (11) further comprises a plurality of second bulges (13) fixedly connected with the outer surface of the first waterproof layer (4) at equal intervals, one ends, far away from the first waterproof layer (4), of the second bulges (13) are abutted to the heat insulation layer (3), and the first bulges (12) and the second bulges (13) are alternately arranged.

4. A fire and moisture resistant cable as claimed in claim 1, wherein: the anti-stretching layer (5) is formed by annularly arranging a plurality of steel wires (14), asbestos is filled among the steel wires (14), and the anti-stretching layer is fixed through the first waterproof layer (4) and the flame-retardant layer (6).

5. A fire and moisture resistant cable as claimed in claim 3, wherein: the first bulge (12) and the second bulge (13) are provided with a plurality of through holes, and water absorption cotton is arranged in the first bulge (12) and the second bulge (13).

6. A fire and moisture resistant cable as claimed in claim 3, wherein: the heat insulation layer (3) is fixedly connected with the first bulges (12) through an adhesive, and the first waterproof layer (4) is fixedly connected with the second bulges (13) through the adhesive.

7. A fire and moisture resistant cable as claimed in claim 1, wherein: the flame-retardant layer (6) is a linear aromatic high molecular compound.

8. A fire and moisture resistant cable as claimed in claim 1, wherein: the heat insulation layer (3) is a high-temperature resistant compound.