CN218447327U

CN218447327U - Flame-retardant cable

Info

Publication number: CN218447327U
Application number: CN202222779345.4U
Authority: CN
Inventors: 叶儒浩
Original assignee: JIAXING TITION ELECTRONIC WIRE CO Ltd
Current assignee: JIAXING TITION ELECTRONIC WIRE CO Ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-02-03
Anticipated expiration: 2032-10-21

Abstract

The utility model provides a flame retardant cable, include: the wire, the excircle wall fixed mounting of wire has a plurality of insulating layer, the outer wall fixed mounting of insulating layer has the inoxidizing coating, the inoxidizing coating is the carbon fiber cloth system, the graphene coatings has been scribbled respectively to the both sides of inoxidizing coating, the outer wall cladding of insulating layer has the dry powder filling layer, through setting up the inoxidizing coating, when the wire short circuit catches fire, the inoxidizing coating can keep apart the section cable of catching fire, avoid it to spread other positions, control the scene of a fire situation, slow down the speed that the fire spreads, make the staff can put out a fire to the cable before other apparatus are harmd, the security has been improved, through setting up the dry powder filling layer, make the inside dry powder of dry powder filling layer can contact flame, put out a fire to flame, prevent that the fire from spreading, through setting up the sealing layer, when the scene of a fire breaks through the dry powder filling layer, the sealing layer is heated and is dissolved the inside carbon dioxide of the back gas disconnected combustion layer and can play the effect that the secondary was put out a fire.

Description

Flame-retardant cable

Technical Field

The utility model relates to a fire-retardant technical field of cable especially relates to a flame retarded cable.

Background

At present, with the rapid development of national economy, cables are widely applied to various power stations, such as nuclear power stations, thermal power stations, etc., and subway stations, power plants, high-rise buildings, military facilities, oil platforms, etc., and the cables are usually rope-like cables formed by twisting several or several groups of conductors (at least two in each group), wherein the conductors in each group are insulated from each other and are usually twisted around a center, and the whole outer surface is wrapped with a highly-insulated covering layer. The cable has the characteristics of internal electrification and external insulation, and comprises a power cable, a compensation cable, a shielding cable, a flame-retardant cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, which are all composed of single-strand or multi-strand wires and an insulating layer and are used for connecting a circuit, an electric appliance and the like and are respectively applied to different occasions.

According to the application number: CN210606759U, a flame retardant cable, includes a cable core; the cable core is wrapped with a flame-retardant layer, and an outer protective layer is wrapped outside the flame-retardant layer; the flame-retardant layer is provided with a plurality of circles of accommodating cavities along the axial direction, and the accommodating cavities are filled with flame-retardant substances; a partition wall is arranged between the containing cavities, and a marking line is marked on the outer surface of the outer protective layer corresponding to the position of the partition wall; the cable core comprises a control cable unit, a signal cable unit and two power cable units, wherein the control cable unit and the signal cable unit are respectively positioned at two sides of the two power cable units which are arranged side by side; the cable core is wrapped with a fireproof outer skin. The flame-retardant layer plays a flame-retardant role, when flame destroys the flame-retardant layer, the containing cavity of the flame-retardant layer releases flame-retardant objects, and the flame-retardant objects can weaken and even extinguish the fire.

However, the above-mentioned flame-retardant cable still has some disadvantages, such as: play fire-retardant effect through fire-retardant layer, destroy fire-retardant layer when flame, the chamber that holds on fire-retardant layer releases fire-retardant thing, and fire-retardant thing can weaken and put out the intensity of a fire even, but a certain section of cable is on fire easily during the short circuit, and when can not in time put out, the intensity of a fire stretches whole cable easily, causes the damage to other instruments easily simultaneously, causes the conflagration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an overcome above-mentioned problem or solve a flame retarded cable of above-mentioned problem partially at least to when solving the short circuit certain section of cable is on fire easily, in time of can not in time put out, the intensity of a fire stretches whole cable easily, causes the damage to other instruments easily simultaneously, causes the problem of conflagration.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides a flame retardant cable, include: the wire, the excircle wall fixed mounting of wire has a plurality of insulating layer, the outer wall fixed mounting of insulating layer has the inoxidizing coating, the inoxidizing coating is the carbon fiber cloth system, the both sides of inoxidizing coating are scribbled respectively and are equipped with the graphite alkene coating, the outer wall cladding of insulating layer has the dry powder filling layer, the inside packing of dry powder filling layer has the dry powder.

Through adopting above-mentioned technical scheme, through setting up the inoxidizing coating, when the wire short circuit catches fire, the inoxidizing coating can keep apart the section cable of catching fire, avoid it to stretch other positions, control the scene of a fire situation, slow down the intensity of a fire and stretch speed, make the staff can be put out a fire to the cable before other apparatus are harmd, the security has been improved, the safety is improved, through setting up the dry powder filling layer, make the inside dry powder of dry powder filling layer can contact flame, put out a fire to flame, prevent that the intensity of a fire from stretching.

As a further scheme of the utility model, the outside cladding of dry powder filling layer has the sealing layer, the outer disc wall surface of sealing layer covers has gaseous disconnected layer of burning, the inside packing on gaseous disconnected layer has carbon dioxide.

Through adopting above-mentioned technical scheme, through setting up the sealing layer, when the intensity of a fire breaks through the dry powder filling layer, the sealing layer is heated and is dissolved the inside carbon dioxide of gas combustion breaking layer and can play the effect that the secondary was put out a fire, controls once more the intensity of a fire.

As a further aspect of the present invention, the gas-burning interruption layer is coated with a waterproof layer, the waterproof layer is coated with a liquid fire extinguishing layer, and the liquid fire extinguishing layer is filled with water.

Through adopting above-mentioned technical scheme, through setting up liquid fire extinguishing layer, after the intensity of a fire climbs once more, the waterproof layer melts, makes the inside water of liquid fire extinguishing layer put out a fire once more to flame.

As a further aspect of the present invention, the liquid extinguishing layer is externally wrapped with a heat absorbing layer.

Through adopting above-mentioned technical scheme, through setting up the heat-absorbing layer, absorb heat to the heat-absorbing layer inside.

As a further scheme of the utility model, the fixed cover of excircle wall of heat-sink shell is equipped with the wearing layer, the wearing layer is the asbestos system.

Through adopting above-mentioned technical scheme, through setting up the wearing layer, make the wire be difficult to ignite by external article, prevent that the wire from receiving the external influence and burning.

As a further proposal, the excircle wall surface of the wear-resistant layer is provided with radiating holes.

Through adopting above-mentioned technical scheme, through setting up the louvre, dispel the heat to the heat-absorbing layer, prevent that its inside temperature is too high.

The utility model provides a flame retardant cable, beneficial effect lies in:

through setting up the inoxidizing coating, when the wire short circuit catches fire, the inoxidizing coating can keep apart the section cable of catching fire, avoid it to spread other positions, control the scene of a fire situation, slow down the speed that the intensity of a fire spreads, make the staff can put out a fire to the cable before other apparatus are harmd, the security has been improved, through setting up the dry powder filling layer, make the inside dry powder of dry powder filling layer can contact flame, put out a fire to flame, prevent the intensity of a fire from spreading, through setting up the sealing layer, when the intensity of a fire breaks through the dry powder filling layer, the sealing layer is heated and is dissolved the inside carbon dioxide of gas outage burning in situ and can play the effect of secondary fire extinguishing, control once more the intensity of a fire, through setting up liquid fire extinguishing layer, after the intensity of a fire delays once more, the waterproof layer melts, make the inside water of liquid fire extinguishing layer put out a fire once more to flame, through setting up the heat absorption layer, absorb heat through setting up the wearing layer to heat absorption layer inside, make the wire be difficult to be lighted by external goods, prevent that the wire from being influenced by external influence and burn, through setting up louvre, prevent to inhale heat temperature.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic view of a splitting structure provided by an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sealing layer provided in an embodiment of the present invention;

fig. 4 is a schematic view of a protective layer structure according to an embodiment of the present invention.

In the figure: 1. a wire; 2. an insulating layer; 3. a protective layer; 4. a graphene coating; 5. a sealing layer; 6. a gas burnout layer; 7. a waterproof layer; 8. a liquid fire extinguishing layer; 9. a heat absorbing layer; 10. a wear layer; 11. a dry powder fill layer; 12. and (4) radiating holes.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, 2, 3 and 4, the flame retardant cable provided by the embodiment of the invention comprises a wire 1, a plurality of insulating layers 2 are fixedly mounted on the outer circumferential wall surface of the wire 1, a protective layer 3 is fixedly mounted on the outer wall of each insulating layer 2, the protective layer 3 is made of carbon fiber cloth, and by arranging the protective layer 3, when the wire 1 is short-circuited and catches fire, the protective layer 3 can isolate the cable at the fire catching section to prevent the cable from spreading to other positions, control the fire scene situation, slow down the fire spreading speed, enable a worker to extinguish the fire of the cable before other instruments are damaged, improve the safety of the two sides of the protective layer 3 and respectively coat a graphene coating 4 on the two sides, and by arranging the graphene coating 4, improve inoxidizing coating 3's fire behavior, improve the security, the outer wall cladding of insulating layer 2 has dry powder filling layer 11, the inside packing of dry powder filling layer 11 has the dry powder, through setting up dry powder filling layer 11, when wire 1 catches fire, insulating layer 2 can melt at first and catch fire, make the inside dry powder of dry powder filling layer 11 can contact flame, 11 outside claddings of dry powder filling layer have sealing layer 5, the excircle wall cladding of sealing layer 5 has gaseous layer 6 that fires absolutely, gaseous inside packing that fires layer 6 has carbon dioxide absolutely, through setting up sealing layer 5, when dry powder filling layer 11 is broken through to the intensity of a fire, the sealing layer 5 is heated and is dissolved the inside carbon dioxide that gaseous fire layer 6 that fires absolutely can play the effect that the secondary was put out a fire, control once more to the intensity of a fire.

Referring to fig. 2 and 3, the outside cladding of gaseous layer 6 that fires is waterproof layer 7, the outside cladding of waterproof layer 7 is liquid fire extinguishing layer 8, the inside packing of liquid fire extinguishing layer 8 has water, through setting up liquid fire extinguishing layer 8, after the intensity of a fire climbs once more, waterproof layer 7 melts, make the inside water of liquid fire extinguishing layer 8 put out a fire once more to flame, the outside cladding of liquid fire extinguishing layer 8 has heat-absorbing layer 9, through setting up heat-absorbing layer 9, absorb heat to the inside of heat-absorbing layer 9, the outer round wall fixed cover of heat-absorbing layer 9 is equipped with wearing layer 10, wearing layer 10 is the asbestos system, through setting up wearing layer 10, make wire 1 be difficult to be lighted by outside article, prevent that wire 1 from receiving external influence and burning, louvre 12 has been seted up to the outer round wall of wearing layer 10, through setting up louvre 12, heat dissipation 9 dispels the heat, prevent its inside high temperature.

The working principle is as follows: referring to fig. 1-4, when in use, by arranging the protective layer 3, when a short circuit fire happens on the lead 1, the protective layer 3 can isolate the cable at the fire-out section to prevent the cable from spreading to other positions, thereby controlling the fire scene situation and slowing down the fire spreading speed, so that a worker can extinguish the fire on the cable before other instruments are damaged, the safety is improved, by arranging the graphene coating 4, the fireproof performance of the protective layer 3 is improved, the safety is improved, by arranging the dry powder filling layer 11, when the lead 1 catches fire, the insulating layer 2 can firstly melt the fire, so that dry powder inside the dry powder filling layer 11 can contact with flame, the flame is extinguished, thereby preventing the fire from spreading, by arranging the sealing layer 5, when the fire breaks through the dry powder filling layer 11, carbon dioxide inside the gas flame-breaking layer 6 after the sealing layer 5 is heated and dissolved can play a secondary fire extinguishing effect, the fire is controlled again, by arranging the liquid fire extinguishing layer 8, when the fire spreads again, water inside the liquid extinguishing layer 8 can not easily melt the flame, by arranging the heat absorption layer 9, thereby preventing the heat absorption layer 9 from being ignited, and preventing the heat absorption layer from being exposed to the heat of the lead 1, and preventing the heat absorption layer from being ignited, thereby preventing the heat from being affected by the lead 1, and preventing the heat absorption layer from being arranged outside.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims

1. A flame retardant cable, comprising:

wire (1), the excircle wall fixed mounting of wire (1) has a plurality of insulating layer (2), the outer wall fixed mounting of insulating layer (2) has inoxidizing coating (3), inoxidizing coating (3) are the carbon fiber cloth system, the both sides of inoxidizing coating (3) are scribbled respectively and are equipped with graphite alkene coating (4), the outer wall cladding of insulating layer (2) has dry powder filling layer (11), the inside packing of dry powder filling layer (11) has the dry powder.

2. A flame retardant cable according to claim 1 wherein the dry powder filling layer (11) is externally coated with a sealing layer (5), the outer circumferential wall of the sealing layer (5) is coated with a gas flame-stopping layer (6), and the gas flame-stopping layer (6) is internally filled with carbon dioxide.

3. A flame retardant cable according to claim 2, wherein the gas flame-retardant layer (6) is externally coated with a waterproof layer (7), the waterproof layer (7) is externally coated with a liquid fire-extinguishing layer (8), and the liquid fire-extinguishing layer (8) is internally filled with water.

4. A fire-retardant cable according to claim 3, characterised in that said liquid extinguishing layer (8) is externally coated with a heat absorbing layer (9).

5. A flame retardant cable according to claim 4 wherein the outer circumferential wall of the heat absorbing layer (9) is fixedly sleeved with a wear resistant layer (10), the wear resistant layer (10) being made of asbestos.

6. The flame-retardant cable according to claim 5, wherein the outer circumferential wall surface of the wear-resistant layer (10) is provided with heat dissipation holes (12).