CN210039721U

CN210039721U - Flame-retardant anti-puncture cable

Info

Publication number: CN210039721U
Application number: CN201921095345.4U
Authority: CN
Inventors: 陶建军
Original assignee: Hangzhou Canon Cable Co Ltd
Current assignee: Hangzhou Canon Cable Co Ltd
Priority date: 2019-07-14
Filing date: 2019-07-14
Publication date: 2020-02-07
Anticipated expiration: 2029-07-14

Abstract

The utility model belongs to the technical field of the cable technique and specifically relates to a fire-retardant cable of preventing puncture, including a plurality of inner cores, it is a plurality of the inboard of protective housing including the inner core sets up, its characterized in that, the outside compound bonding of inner protective housing has the extension layer, the surface compound bonding on extension layer has the puncture-proof layer, the surface compound bonding on puncture-proof layer has the flame retardant coating, the flame retardant coating includes the insulating layer that compound bonding is at puncture-proof layer surface, the insulating layer specifically is the rock wool layer, the surface of insulating layer is scribbled and is equipped with the fire prevention dope layer, and the thickness ratio of fire prevention dope layer and insulating layer is 1:3, puncture-proof layer includes the alloy stratum reticulare, the internal surface and the surface of alloy stratum reticulare all compound bonding has the tin ply, and the alloy stratum reticulare contacts through tin ply and insulating layer. The utility model discloses the cable has the function of fire prevention, thermal-insulated and prevent the puncture, is favorable to prolonging the life of cable.

Description

Flame-retardant anti-puncture cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a fire-retardant cable of preventing puncture.

Background

The cable includes power cable, control cable, compensation cable, shielding cable, high temperature cable, computer cable, signal cable, coaxial cable, fire-resistant cable, marine cable, mining cable and aluminum alloy cable, which are composed of single-strand or multi-strand wires and insulating layer for connecting circuit, electric appliance, etc., and the cable can be divided into DC cable and AC cable according to the system of photovoltaic power station.

The cable on the existing market does not have the function of preventing puncture, so that the cable is in contact with sharp objects in the transportation process, the inner core is exposed, great safety accidents can be caused, and meanwhile, the cable does not have the fireproof effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flame-retardant puncture-proof cable.

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

the cable is characterized in that an extension layer is compositely bonded on the outer side of the inner protective shell, a puncture-proof layer is compositely bonded on the outer surface of the extension layer, a fireproof layer is compositely bonded on the outer surface of the puncture-proof layer, the fireproof layer comprises a heat insulation layer compositely bonded on the outer surface of the puncture-proof layer, the heat insulation layer is specifically a rock wool layer, a fireproof coating layer is coated on the outer surface of the heat insulation layer, the thickness ratio of the fireproof coating layer to the heat insulation layer is 1:3, the puncture-proof layer comprises an alloy net layer, a tin paper layer is compositely bonded on the inner surface and the outer surface of the alloy net layer, and the alloy net layer is in contact with the heat insulation layer and the extension layer through the tin paper layer.

Preferably, the extension layer comprises a glass fiber layer which is compositely bonded on the outer surface of the inner protective shell, a silicate layer is compositely bonded on the outer surface of the glass fiber layer, an asbestos layer is compositely bonded on the outer surface of the silicate layer, the asbestos layer is contacted with the tin paper layer, and the thickness ratio of the asbestos layer to the silicate layer to the glass fiber layer is 1:1: 1.

Preferably, the alloy mesh layer is a zinc-nickel alloy layer.

Preferably, an insulating filling layer is arranged on the inner side of the inner protective shell, and the insulating filling layer is specifically an insulating paper layer.

Preferably, the thickness ratio among the fire-proof layer, the extension layer and the puncture-proof layer is 1:2: 4.

The utility model provides a pair of fire-retardant cable of preventing puncture, beneficial effect lies in: even this fire-retardant cable of preventing puncture even contact sharp-pointed object when the transportation, can not impale the cable yet to have fine protection effect to the inside inner core of cable, possess fine fire prevention effect simultaneously, be favorable to prolonging the life of cable, reduce the maintenance cost of later stage to the cable.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of fire-retardant cable of preventing puncture.

Fig. 2 is the utility model provides a fire-retardant structure enlarger of the flame retardant coating of preventing cable of puncture.

Fig. 3 is the utility model provides a structure enlarger of extension layer of fire-retardant puncture-proof cable.

Fig. 4 is the utility model provides a structure enlarger of the puncture-proof layer of the flame-retardant puncture-proof cable.

In the figure: the inner protective shell 1, the fire-proof layer 2, the fireproof paint layer 21, the heat-insulating layer 22, the extension layer 3, the asbestos layer 31, the silicate layer 32, the glass fiber layer 33, the insulating filling layer 4, the inner core 5, the puncture-proof layer 6, the tinfoil layer 61 and the alloy mesh layer 62.

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.

Referring to fig. 1-4, a flame-retardant and puncture-proof cable comprises a plurality of inner cores 5, wherein the plurality of inner cores 5 are arranged on the inner side of an inner protective shell 1, an extension layer 3 is compositely bonded on the outer side of the inner protective shell 1, the extension layer 3 comprises a glass fiber layer 33 compositely bonded on the outer surface of the inner protective shell 1, a silicate layer 32 is compositely bonded on the outer surface of the glass fiber layer 33, an asbestos layer 31 is compositely bonded on the outer surface of the silicate layer 32, the asbestos layer 31 is in contact with a tinfoil layer 61, the thickness ratio of the asbestos layer 31 to the silicate layer 32 to the glass fiber layer 33 is 1:1:1, an insulating filling layer 4 is arranged on the inner side of the inner protective shell 1, the insulating filling layer 4 is specifically an insulating paper layer, the thickness ratio of the flame-proof layer 2 to the extension layer 3 to the puncture-proof layer 6 is 1:2:4, and the glass fibers, the silicate, meanwhile, the heat-insulating and heat-recovering cable has high recovery and heat-insulating effects, and the asbestos layer 31, the silicate layer 32 and the glass fiber layer 33 are arranged according to the thickness of 1:1:1, so that the ductility of the cable can be effectively improved, and the weight of the cable is reduced.

The outer surface complex of extension layer 3 bonds and has puncture-proof layer 6, puncture-proof layer 6 includes alloy stratum reticulare 62, the internal surface of alloy stratum reticulare 62 and the equal complex bonding of surface have a tinfoil layer 61, and alloy stratum reticulare 62 contacts with insulating layer 22 and extension layer 3 through tinfoil layer 61, alloy stratum reticulare 62 specifically is the zinc-nickel alloy layer, the zinc-nickel alloy possesses high strength, corrosion-resistant and high temperature resistant characteristics, thereby can prevent that the cable from being punctureed or impaled by sharp-pointed object, the effectual effect of protecting the cable that has played.

The fireproof layer 2 is compositely bonded on the outer surface of the puncture-proof layer 6, the fireproof layer 2 comprises a heat insulation layer 22 compositely bonded on the outer surface of the puncture-proof layer 6, the heat insulation layer 22 is specifically a rock wool layer, a fireproof coating layer 21 is coated on the outer surface of the heat insulation layer 22, the thickness ratio of the fireproof coating layer 21 to the heat insulation layer 22 is 1:3, the fireproof coating has a fireproof effect, and meanwhile, the rock wool layer has a good heat insulation effect, so that the temperature inside the cable is kept unchanged in a high-temperature environment, the fireproof effect of the cable is improved, and the service life of the cable is effectively prolonged.

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. The flame-retardant puncture-proof cable comprises a plurality of inner cores (5), wherein the inner cores (5) are arranged on the inner side of an inner protective shell (1), the flame-retardant puncture-proof cable is characterized in that an extension layer (3) is compositely bonded on the outer side of the inner protective shell (1), a puncture-proof layer (6) is compositely bonded on the outer surface of the extension layer (3), a fire-proof layer (2) is compositely bonded on the outer surface of the puncture-proof layer (6), the fire-proof layer (2) comprises a heat-insulating layer (22) compositely bonded on the outer surface of the puncture-proof layer (6), the heat-insulating layer (22) is specifically a rock wool layer, a fire-proof coating layer (21) is coated on the outer surface of the heat-insulating layer (22), the thickness ratio of the fire-proof coating layer (21) to the heat-insulating layer (22) is 1:3, the puncture-proof layer (6) comprises an alloy mesh layer (62), and, and the alloy net layer (62) is contacted with the heat insulation layer (22) and the extension layer (3) through the tin paper layer (61).

2. A flame-retardant and puncture-proof cable according to claim 1, wherein the extensible layer (3) comprises a glass fiber layer (33) which is compositely bonded on the outer surface of the inner protective shell (1), a silicate layer (32) is compositely bonded on the outer surface of the glass fiber layer (33), an asbestos layer (31) is compositely bonded on the outer surface of the silicate layer (32), the asbestos layer (31) and the stannum layer (61) are in contact with each other, and the thickness ratio of the asbestos layer (31), the silicate layer (32) and the glass fiber layer (33) is 1:1: 1.

3. A flame-retardant, puncture-resistant cable according to claim 1, characterized in that the alloy mesh layer (62) is in particular a zinc-nickel alloy layer.

4. A flame-retardant, puncture-proof cable according to claim 1, characterized in that the inner side of the inner protective shell (1) is provided with an insulating filling layer (4), and the insulating filling layer (4) is in particular an insulating paper layer.

5. A flame retardant, puncture resistant cable according to claim 1 wherein the ratio of the thickness between the flame retardant layer (2), the extensible layer (3) and the puncture resistant layer (6) is 1:2: 4.