CN218513220U

CN218513220U - Novel flame-retardant fireproof cable

Info

Publication number: CN218513220U
Application number: CN202222948121.1U
Authority: CN
Inventors: 陈华菁
Original assignee: Dongguan Jinxunyuan Wire And Cable Co ltd
Current assignee: Dongguan Jinxunyuan Wire And Cable Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-02-21
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a novel fire-retardant fireproof cable, this novel fire-retardant fireproof cable aim at solving the not good technical problem of current fire-retardant fire behavior of cable and crushing resistance. This novel fire-retardant fireproof cable includes a plurality of cable cores, the equal fixedly connected with insulating layer in the outside of a plurality of cable cores, the equal fixedly connected with flame retardant coating of lateral wall of insulating layer, the outside of a plurality of cable cores is equipped with fire-retardant layer, fire-retardant layer center department is equipped with the center tube, even a set of backup pad of fixedly connected with on the periphery lateral wall of center tube, the equal fixedly connected with backing sheet in outer end of backup pad, the inside on fire-retardant layer is equipped with the filling layer, fixedly connected with armor on the lateral wall of fire-retardant layer, fixedly connected with flame retardant coating on the periphery lateral wall of armor, a set of chamber of putting out a fire has evenly been seted up in the flame retardant coating, the intracavity of putting out a fire all is filled with the dry powder of putting out a fire, fixedly connected with outer jacket on the lateral wall of flame retardant coating.

Description

Novel flame-retardant fireproof cable

Technical Field

The utility model belongs to the technical field of the cable, concretely relates to novel fire-retardant fireproof cable.

Background

Cables are generally rope-like cables made up of several or groups of at least two conductors twisted together, each group being insulated from one another and often twisted around a center, the entire outer surface being covered with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation.

1. As shown in fig. 7, for traditional cable 14, traditional cable 14 only carries out fire-retardant through fire-retardant circle layer 15, and single fire-retardant effect is not good, and the effect of preventing fires is not good simultaneously, if the cable appears the phenomenon of burning because of catching fire, and the burning of the open flame is blocked in time to inconvenient, and the security is not good.

2. The crushing resistance of cable among the prior art is not good, when receiving external pressure extrusion, cracked phenomenon appears in its inside cable core receives the oppression easily, reduces the life-span of cable use.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a novel fire-retardant fireproof cable, this novel fire-retardant fireproof cable aims at solving the current fire-retardant fire behavior of cable not good and the not good technical problem of crushing resistance.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a such novel fire-retardant fireproof cable, this novel fire-retardant fireproof cable includes a plurality of cable cores, and is a plurality of the equal fixedly connected with insulating layer in the outside of cable core, the equal fixedly connected with flame retardant coating of lateral wall of insulating layer, it is a plurality of the outside of cable core is equipped with fire-retardant layer, fire-retardant layer center department is equipped with the center tube, a set of backup pad of even fixedly connected with on the periphery lateral wall of center tube, the equal fixedly connected with backing sheet in outer end of backup pad, the inside on fire-retardant layer is equipped with the filling layer, fixedly connected with armor on the lateral wall of fire-retardant layer, fixedly connected with flame retardant coating on the periphery lateral wall of armor, a set of chamber of putting out a fire has evenly been seted up in the flame retardant coating, it has the dry powder of putting out a fire to all fill in the chamber, fixedly connected with outer jacket on the lateral wall of flame retardant coating.

Can carry on fire-retardantly to the cable through flame retardant coating and fire-retardant layer, duplicate protection, fire-retardant effect is better, if the cable because of catching fire the phenomenon that appears burning, the open fire will put out a fire the chamber and burn the back and put out a fire dry powder and flow out, can put out a fire the processing to the open fire, can prevent the continuation burning of open fire, can follow the inside of cable through center tube, backup pad and backing sheet and support, improve the performance of resistance to compression.

Preferably, the fire-resistant layer is made of a three-in-one composite mica tape; the fire-resistant effect of the fire-resistant layer can be enhanced, and the flame-retardant performance is improved.

Further, the flame-retardant layer is made of a halogen-free flame-retardant PC thin film material, and the insulating layer is made of a high-temperature-resistant inorganic material; the flame-retardant layer made of the halogen-free flame-retardant PC film material has excellent flame-retardant performance, and is more environment-friendly if combustion occurs.

Furthermore, the center of the support plate is in a hollow design, the cross section of the support sheet is in a circular arc shape, and the periphery of the support sheet is attached to the inner periphery of the flame-retardant layer; elastic deformation can take place for the backup pad of cavity design to can carry out elastic support, improve the compressive property of cable, still conveniently separate the cable core, avoid appearing mutual interference's phenomenon.

Furthermore, the number of the cable cores is three, and the number of the cable cores in each cable core is not less than three; the transmission of electric power is conveniently carried out.

Furthermore, the fire extinguishing chambers on the plane of the fire-proof layer are distributed in a circumferential manner, and the number of the fire extinguishing chambers is four; convenient comprehensive cable carries out fire prevention and handles, improves the scope of putting out a fire, and the effect of fire prevention is better.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a flame retardant coating and fire-retardant can carry out duplicate protection to the cable, avoid the cable inside overheated phenomenon that appears burning, improve fire-retardant effect, through flame retardant coating, the chamber of putting out a fire and the dry powder of putting out a fire, can in time put out a fire to the naked light and handle, avoid the cable to appear the phenomenon that continues the burning, the security is higher;

2. the utility model discloses center tube, backup pad and backing sheet can be followed the inside of cable and supported, are showing the compressive property who improves the cable, avoid the cable core to receive external force and appear damaged phenomenon, are showing the application scope and the life who improves the cable, can also reduce mutual interference between the cable core.

Drawings

FIG. 1 is a schematic view of an integral peeling three-dimensional structure according to an embodiment of the present invention;

fig. 2 is a schematic view of an overall front side plane structure in an embodiment of the present invention;

fig. 3 is a schematic view of the whole internal three-dimensional structure in the embodiment of the present invention.

Fig. 4 is a schematic view of an overall three-dimensional structure in a specific embodiment of the present invention.

Fig. 5 is a schematic view of an internal structure of a fire-proof layer according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a central tube, a support plate and a support plate according to an embodiment of the present invention.

Fig. 7 is a schematic diagram of the background art of the present invention.

The labels in the figures are: 1. a cable core; 2. an insulating layer; 3. a refractory layer; 4. a flame retardant layer; 5. a central tube; 6. a support plate; 7. a support sheet; 8. a filling layer; 9. an armor layer; 10. a fire barrier layer; 11. a fire extinguishing chamber; 12. fire extinguishing dry powder; 13. an outer jacket; 14. a conventional cable; 15. and a flame-retardant ring layer.

Detailed Description

This embodiment is a novel fire-retardant fireproof cable, its schematic structure is shown in fig. 1-6, this novel fire-retardant fireproof cable includes a plurality of cable cores 1, the equal fixedly connected with insulating layer 2 in the outside of a plurality of cable cores 1, the equal fixedly connected with flame retardant coating 3 of lateral wall of insulating layer 2, the outside of a plurality of cable cores 1 is equipped with fire-retardant layer 4, fire-retardant layer 4 center department is equipped with center tube 5, even fixedly connected with a set of backup pad 6 on the periphery lateral wall of center tube 5, the equal fixedly connected with backing sheet 7 in outer end of backup pad 6, the inside of fire-retardant layer 4 is equipped with filling layer 8, fixedly connected with armor 9 on the lateral wall of fire-retardant layer 4, fixedly connected with flame retardant coating 10 on the periphery lateral wall of armor 9, a set of chamber 11 that puts out a fire has evenly been seted up in the flame retardant coating 10, it has 12 to put out a fire all to fill in the chamber 11, dry powder fixedly connected with outer jacket 13 on the lateral wall of flame retardant coating 10.

For the present embodiment, the types and specifications of the center tube 5, the support plate 6, and the support plate 7 may be set as needed.

Wherein, the fire-resistant layer 3 is made of a three-in-one composite mica tape.

In addition, the flame-retardant layer 4 is made of halogen-free flame-retardant PC thin film material, and the insulating layer 2 is made of high-temperature-resistant inorganic material.

In addition, the center of the support plate 6 is hollow, the cross section of the support sheet 7 is arc-shaped, and the outer periphery of the support sheet 7 is attached to the inner periphery of the flame retardant layer 4.

In addition, the number of the cable cores 1 is three, and the number of the wire cores in each cable core 1 is not less than three.

In addition, the fire extinguishing chambers 11 on the plane of the fire-proof layer 10 are distributed in a circumferential manner, and the number of the fire extinguishing chambers 11 is four.

The integral split-stripping three-dimensional structure of the novel flame-retardant fireproof cable is shown in figure 1, and the integral front side plane structure of the novel flame-retardant fireproof cable is shown in figure 2.

It should be noted in particular that the support plate 6 is of hollow oval design in the center and that the support plate 6 is provided with a certain elasticity.

When using this cable, can carry out fire-retardantly to the cable through flame retardant coating 3 and fire-retardant layer 4, duplicate protection, fire-retardant effect is better, if the cable is because of catching fire the phenomenon that appears the burning, the dry powder 12 that puts out a fire after the chamber 11 that will put out a fire of naked light burns out flows out, can put out a fire to the naked light and handle, can prevent the continuation burning of naked light, can follow the inside of cable through center tube 5, backup pad 6 and backing sheet 7 and support, improve the performance of resistance to compression.

As shown in fig. 2, the cable can be supported, so that the phenomenon that the cable core 1 is damaged due to external force compression is avoided, and the application range of the cable is widened.

As shown in figure 3, the fire extinguishing dry powder 12 in the fire extinguishing chamber 11 can extinguish open fire, avoid the phenomenon of continuous combustion of cables, reduce loss and improve safety.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment does the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a novel fire-retardant fireproof cable, this novel fire-retardant fireproof cable includes a plurality of cable cores (1), its characterized in that, and is a plurality of the equal fixedly connected with insulating layer (2) in the outside of cable core (1), the equal fixedly connected with flame retardant coating (3) of the lateral wall of insulating layer (2), it is a plurality of the outside of cable core (1) is equipped with fire-retardant layer (4), fire-retardant layer (4) center department is equipped with center tube (5), even fixedly connected with a set of backup pad (6) on the periphery lateral wall of center tube (5), the equal fixedly connected with backing sheet (7) in the outer end of backup pad (6), the inside of fire-retardant layer (4) is equipped with filling layer (8), fixedly connected with armor (9) on the lateral wall of fire-retardant layer (4), fixedly connected with flame retardant coating (10) on the periphery lateral wall of armor (9), a set of chamber (11) of putting out a fire has evenly been seted up in flame retardant coating (10), it has dry powder (12) all to fill in chamber (11) of putting out a fire, fixedly connected with outer jacket (13) on the lateral wall of flame retardant coating (10).

2. The novel flame-retardant fireproof cable according to claim 1, wherein: the fire-resistant layer (3) is made of a three-in-one composite mica tape.

3. The novel flame-retardant fireproof cable according to claim 1, wherein: the flame-retardant layer (4) is made of a halogen-free flame-retardant PC film material, and the insulating layer (2) is made of a high-temperature-resistant inorganic material.

4. The novel flame-retardant fireproof cable according to claim 1, wherein: the center of the supporting plate (6) is in a hollow design, the cross section of the supporting sheet (7) is in a circular arc shape, and the periphery of the supporting sheet (7) is attached to the inner periphery of the flame-retardant layer (4).

5. The novel flame-retardant fireproof cable according to claim 1, wherein: the number of the cable core (1) is three, and the number of the cable cores in each cable core (1) is not less than three.

6. The novel flame-retardant fireproof cable according to claim 1, wherein: the fire extinguishing cavities (11) on the plane of the fire-proof layer (10) are circumferentially distributed, and the number of the fire extinguishing cavities (11) is four.