CN114141416B - Fireproof cable - Google Patents
Fireproof cable Download PDFInfo
- Publication number
- CN114141416B CN114141416B CN202111443475.4A CN202111443475A CN114141416B CN 114141416 B CN114141416 B CN 114141416B CN 202111443475 A CN202111443475 A CN 202111443475A CN 114141416 B CN114141416 B CN 114141416B
- Authority
- CN
- China
- Prior art keywords
- fire
- cable
- retardant
- fireproof
- flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003063 flame retardant Substances 0.000 claims abstract description 46
- 239000004020 conductor Substances 0.000 claims abstract description 42
- 239000011241 protective layer Substances 0.000 claims abstract description 33
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000011248 coating agent Substances 0.000 claims abstract description 27
- 238000000576 coating method Methods 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 17
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 69
- 239000000463 material Substances 0.000 claims description 34
- 239000003795 chemical substances by application Substances 0.000 claims description 17
- 230000009970 fire resistant effect Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- 229910052902 vermiculite Inorganic materials 0.000 claims description 3
- 235000019354 vermiculite Nutrition 0.000 claims description 3
- 239000010455 vermiculite Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 10
- 238000012856 packing Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/223—Longitudinally placed metal wires or tapes forming part of a high tensile strength core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a fireproof cable, which comprises a conductor, wherein an inner protective layer is sleeved on the surface of the conductor, a flame-retardant fireproof wrapping tape is wound on the outer surface of the inner protective layer, a flame-retardant filler is filled in an inner cavity of the flame-retardant fireproof wrapping tape, an outer protective layer is sleeved on the outer surface of the flame-retardant fireproof wrapping tape, a fireproof sleeve is wound on the outer surface of the outer protective layer, an outer sheath is sleeved on the outer surface of the fireproof sleeve, a fireproof coating is sprayed on the outer surface of the outer sheath, a fire-extinguishing bag is sleeved on the outer surface of the fireproof coating, and the fire-extinguishing bag comprises packaging paper. The cable has the advantage of good fireproof effect, and solves the problems that the conductor in the cable is not convenient to be damaged by flame, the fire is prevented from spreading rapidly through the cable, the protection of the cable is reduced, the flame around the cable is not convenient to extinguish, and the continuous temperature rise around the cable is easy to be caused in the process of transporting the power of the existing cable.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a fireproof cable.
Background
The cable is made of one or more mutually insulated conductors and an outer insulating protective layer, and is used for transmitting power or information from one place to another place, the cable is made of a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature 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, all of which are composed of single or multi-strand wires and insulating layers and are used for connecting circuits, electric appliances and the like, the manufacturing of the wire cable is completely different from the production mode of most electromechanical products, the electromechanical products are usually manufactured by assembling parts into components, the components are assembled into a single product, the products are measured in number or number, the wire and the cable are manufactured by taking the length as a basic measuring unit, all the wire and the cable are manufactured from the conductor processing, insulation, shielding, cabling, protection layers and the like are added layer by layer at the periphery of the conductor, the more the layers are required for the cable to be fire-resistant in special use occasions, and the fire-resistant cable can be prevented from spreading through the cable.
The current cable is in the in-process to power transportation, is inconvenient to prevent that the conductor of cable inside from being damaged by flame to prevent that the intensity of a fire from spreading through the cable fast, reduced the protectiveness of cable, be inconvenient for putting out a fire to the flame around the cable, cause the temperature around the cable to continuously rise easily.
Disclosure of Invention
The invention aims to provide a fireproof cable which has the advantage of good fireproof effect, and solves the problems that in the process of power transportation of the existing cable, conductors in the cable are inconvenient to prevent from being damaged by flame, fire is prevented from spreading rapidly through the cable, the protection performance of the cable is reduced, flame around the cable is inconvenient to extinguish, and the temperature around the cable is easy to continuously rise.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a fireproof cable, includes the conductor, the fixed surface cover of conductor is equipped with interior inoxidizing coating, the surface winding of interior inoxidizing coating has fire-retardant fire-resistant band, fire-retardant fire-resistant band's inner chamber is filled with fire-retardant filler, fire-retardant fire-resistant band's fixed surface cover is equipped with outer inoxidizing coating, the surface winding of outer inoxidizing coating has the fire prevention cover, the fixed surface cover of fire prevention cover is equipped with the oversheath, the outer surface cover of fire prevention coating is equipped with the package of putting out a fire, the package of putting out a fire includes the wrapping paper, the internal surface of wrapping paper and the outer fixed surface of fire prevention coating are connected, the left and right sides of wrapping paper is provided with fire extinguishing shell respectively, the relative side is provided with the adhesive about the fire extinguishing shell, the internal surface of fire extinguishing shell is provided with the inflation material, the outer fixed surface of wrapping paper is connected with the lead wire, the bottom of lead wire runs through to the inner chamber of wrapping paper and fixedly connected with detonator, the inner chamber of wrapping paper is filled with fire extinguishing agent.
Preferably, a reinforcing core is arranged at the center of the inner cavity of the flame-retardant fireproof wrapping tape, the reinforcing core is made of low-carbon galvanized steel wires, the inner protective layer is wound on the surface of the reinforcing core, and the inner protective layer is positioned in the flame-retardant filler.
Preferably, the conductor is made of copper wire, the flame-retardant filler is aluminum hydroxide, the number of the fire-extinguishing bags is a plurality of the fire-extinguishing bags and the fire-extinguishing bags are uniformly distributed on the outer surface of the fireproof coating, and the flame-retardant fireproof bag strap is made of glass fiber cloth.
Preferably, the inner protective layer comprises a conductor shielding layer, the conductor shielding layer is wound on the surface of the conductor, an insulating layer is fixedly sleeved on the outer surface of the conductor shielding layer, and an insulating shielding layer is wound on the outer surface of the insulating layer.
Preferably, the material of the conductor shielding layer is semiconductive paper, the material of the insulating layer is styrene-butadiene rubber, and the material of the insulating shielding layer is aluminum foil.
Preferably, the outer protective layer comprises an inner sheath, the inner surface of the inner sheath is fixedly connected with the outer surface of the flame-retardant fireproof wrapping tape, the outer surface of the inner sheath is fixedly sleeved with a metal shielding layer, the outer surface of the metal shielding layer is wound with a waterproof layer, and the outer surface of the waterproof layer is fixedly sleeved with an armor layer.
Preferably, the material of the inner sheath is crosslinked polyethylene, the material of the metal shielding layer is copper strips, the material of the waterproof layer is water-blocking expansion strips, and the material of the armor layer is fine round steel wire mesh.
Preferably, the material of the expansion material is expanded vermiculite, and the material of the fire extinguishing agent is dry powder fire extinguishing agent.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the matched use of the fireproof coating, the fire extinguishing bag, the reinforcing core, the flame-retardant fireproof wrapping tape, the flame-retardant filler, the outer sheath, the fireproof sleeve, the fire extinguishing shell, the expansion material, the adhesive, the lead wire, the wrapping paper, the detonator and the fire extinguishing agent, the problems that in the process of transporting electric power, the conductor inside the cable is inconvenient to be damaged by flame, the fire is prevented from spreading rapidly through the cable, the protective property of the cable is reduced, the fire is inconvenient to extinguish the flame around the cable, and the continuous rising of the temperature around the cable is easy to be caused are solved.
2. The invention can conveniently increase the strength of the cable to avoid the damage of the conductor by arranging the reinforcing core, can conveniently prevent the flame from damaging the inner protective layer by the cooperation of the flame-retardant fireproof wrapping tape and the flame-retardant filler, can conveniently prevent the flame from damaging the outer protective layer by arranging the fireproof sleeve, can conveniently prevent the outer protective layer from being worn and damaged by arranging the outer protective sleeve, and can conveniently increase the fireproof effect of the outer protective sleeve by arranging the fireproof coating.
Drawings
FIG. 1 is an isometric view of the present invention;
FIG. 2 is an enlarged view of FIG. 1A in accordance with the present invention;
FIG. 3 is a cross-sectional view of the outer protective layer of the present invention;
FIG. 4 is a cross-sectional view of the inner protective layer of the present invention;
FIG. 5 is an exploded view of the fire extinguishing bag of the present invention;
fig. 6 is a cross-sectional view of a wrapper of the present invention.
In the figure: 1 conductor, 2 inner protective layer, 3 fireproof coating, 4 fire-extinguishing bag, 5 reinforcing core, 6 flame-retardant fire-resistant belting, 7 flame-retardant filler, 8 outer sheath, 9 fireproof sleeve, 10 outer protective layer, 11 inner sheath, 12 metal shielding layer, 13 waterproof layer, 14 armor layer, 15 conductor shielding layer, 16 insulating layer, 17 insulating shielding layer, 18 fire-extinguishing shell, 19 expansion material, 20 adhesive, 21 lead wire, 22 wrapping paper, 23 detonating agent and 24 fire extinguishing agent.
Detailed Description
Referring to fig. 1-6, a fireproof cable comprises a conductor 1, an inner protective layer 2 is fixedly sleeved on the surface of the conductor 1, a conductor shielding layer 15 is sleeved on the surface of the conductor 1, an insulating layer 16 is fixedly sleeved on the outer surface of the conductor shielding layer 15, an insulating shielding layer 17 is wound on the outer surface of the insulating layer 16, the material of the conductor shielding layer 15 is semiconductive paper, the material of the insulating layer 16 is styrene-butadiene rubber, the material of the insulating shielding layer 17 is aluminum foil, partial discharge between the conductor 1 and the insulating layer 16 can be conveniently avoided by arranging the conductor shielding layer 15, leakage of the conductor 1 can be conveniently prevented by arranging the insulating layer 16, discharge of the outer surface of the insulating layer 16 can be conveniently avoided by arranging the insulating shielding layer 17, a flame-retardant fire-resistant tape 6 is wound on the outer surface of the inner protective layer 2, a reinforcing core 5 is arranged at the center of an inner cavity of the flame-retardant fire-resistant tape 6, the material of the reinforcing core 5 is low-carbon galvanized steel wire, the strength of the cable can be conveniently increased to avoid damaging the conductor 1 by arranging the reinforcing core 5, the inner protective layer 2 is wound on the surface of the reinforcing core 5, the inner protective layer 2 is positioned in the flame-retardant filler 7, the material of the conductor 1 is copper wire, the material of the flame-retardant filler 7 is aluminum hydroxide, the number of the fire-extinguishing bags 4 is a plurality of, and the fire-retardant filler is uniformly distributed on the outer surface of the flame-retardant coating 3, the material of the flame-retardant refractory belting 6 is glass fiber cloth, the inner cavity of the flame-retardant refractory belting 6 is filled with the flame-retardant filler 7, the flame damage to the inner protective layer 2 can be conveniently prevented by the cooperation of the flame-retardant refractory belting 6 and the flame-retardant filler 7, the outer surface of the flame-retardant refractory belting 6 is fixedly sleeved with the outer protective layer 10, the outer protective layer 10 comprises an inner sheath 11, the inner surface of the inner sheath 11 is fixedly connected with the outer surface of the flame-retardant refractory belting 6, the outer surface fixing sleeve of the inner sheath 11 is provided with a metal shielding layer 12, the electromagnetic fields inside and outside the cable can be conveniently shielded by arranging the metal shielding layer 12, the outer surface of the metal shielding layer 12 is wound with a waterproof layer 13, the outer surface fixing sleeve of the waterproof layer 13 is provided with an armor layer 14, water can be conveniently prevented from entering the inner protective layer 2 through the outer protective layer 10 by arranging the waterproof layer 13, the protective strength of the conductor 1 can be conveniently increased by arranging the armor layer 14, the inner sheath 11 is made of crosslinked polyethylene, the metal shielding layer 12 is made of copper strips, the waterproof layer 13 is made of a water-blocking expansion belt, the armor layer 14 is made of a thin round steel wire mesh, the outer surface of the outer protective layer 10 is wound with a fireproof sleeve 9, the outer protective layer 10 can be conveniently prevented from being damaged by flame through arranging the fireproof sleeve 9, the outer surface fixing sleeve of the fireproof sleeve 9 is provided with the outer sheath 8, through the arrangement of the outer sheath 8, the outer surface of the outer sheath 8 is sprayed with the fireproof coating 3, the fireproof effect of the outer sheath 8 can be conveniently increased through the arrangement of the fireproof coating 3, the outer surface of the fireproof coating 3 is sleeved with the fire extinguishing bag 4, the fire extinguishing bag 4 comprises a packing paper 22, the fire extinguishing agent 24 can be conveniently stored through the arrangement of the packing paper 22, the inner surface of the packing paper 22 is fixedly connected with the outer surface of the fireproof coating 3, the fire extinguishing shells 18 are respectively arranged on the left side and the right side of the packing paper 22, the adhesive 20 is arranged on the left side and the right side of the fire extinguishing shells 18, the surface of the packing paper 22 can be conveniently dropped off when the fire extinguishing shells 18 are subjected to combustion through the arrangement of the adhesive 20, the inner surface of the fire extinguishing shells 18 is provided with an expansion material 19, the expansion ejection of the fire extinguishing shells 18 can be conveniently carried out through the arrangement of the expansion material 19, the surface fixedly connected with lead wire 21 of wrapping paper 22, the bottom of lead wire 21 runs through to the inner chamber of wrapping paper 22 and fixedly connected with detonator 23, through the cooperation of lead wire 21 and detonator 23 use, can be convenient for detonate wrapping paper 22 and make fire extinguishing agent 24 outburst put out a fire, and the inner chamber of wrapping paper 22 is filled with fire extinguishing agent 24, and the material of inflation material 19 is inflation vermiculite, and the material of fire extinguishing agent 24 is the dry powder fire extinguishing agent:
the application method of the fireproof cable comprises the following steps:
1) When a fire disaster occurs, the flame burns the fire extinguishing bag 4, the adhesive 20 is melted at high temperature, meanwhile, the fire extinguishing bag 4 heats the expansion material 19, the expansion material 19 expands to push up the fire extinguishing shell 18, the fire extinguishing shell 18 drops off the cable, the expanded expansion material 19 drops along with the fire extinguishing shell 18, the flame ignites the lead wire 21, the lead wire 21 ignites the detonator 23, the detonator 23 explodes the packaging paper 22, the fire extinguishing agent 24 in the packaging paper 22 explodes, and the fire extinguishing agent 24 drifts around the cable to extinguish the fire around the cable;
2) When the cable is burnt by flame, the fireproof coating 3 and the outer sheath 8 perform primary blocking on the flame, when the temperature of the flame is gradually increased and the outer sheath 8 is burnt, the fireproof sleeve 9 performs secondary blocking on the flame, and after the fireproof sleeve 9 is burnt by flame, a compact and hard ceramic body is formed at high temperature so as to prevent the flame from spreading;
3) When the fireproof sleeve 9 is damaged by flame, the flame burns out the outer protective layer 10, the flame-retardant filler 7 and the flame-retardant fireproof wrapping tape 6 block the flame again, so that the flame is prevented from burning the inner protective layer 2, the conductor 1 in the inner protective layer 2 is damaged, and electric leakage of the cable is caused.
To sum up: this fireproof cable, through fire prevention coating 3, fire-extinguishing bag 4, strengthen the core 5, fire-retardant fire-resistant band 6, fire-retardant filler 7, oversheath 8, fire-proof jacket 9, fire-extinguishing shell 18, inflation material 19, adhesive 20, lead wire 21, wrapping paper 22, detonator 23 and fire extinguishing agent 24's cooperation is used, the in-process to power transportation of current cable has been solved, be inconvenient for preventing that the inside conductor of cable from being damaged by flame, and prevent that the fire situation from spreading through the cable fast, reduced the protectiveness of cable, be inconvenient for putting out a fire to the flame around the cable, cause the problem that the cable surrounding temperature continuously risees easily.
Claims (3)
1. The utility model provides a fireproof cable, its characterized in that includes conductor (1), the fixed surface cover of conductor (1) is equipped with interior inoxidizing coating (2), the surface winding of interior inoxidizing coating (2) has fire-retardant fire-resistant band (6), the inner chamber of fire-retardant fire-resistant band (6) is filled with fire-retardant filler (7), the fixed surface cover of fire-retardant fire-resistant band (6) is equipped with outer inoxidizing coating (10), outer inoxidizing coating (10) include inner sheath (11), the fixed surface of inner sheath (11) and the fixed surface of fire-retardant fire-resistant band (6) are connected, the fixed surface cover of inner sheath (11) is equipped with metal shielding layer (12), the surface winding of metal shielding layer (12) has waterproof layer (13), the fixed surface cover of waterproof layer (13) is equipped with armor layer (14), the surface winding of outer inoxidizing coating (10) has fire-proof jacket (9), the fixed surface cover of fire-proof jacket (9) is equipped with oversheath jacket (8), the surface of oversheath (8) has fire-proof coating (3), the outer surface cover of fire-proof coating (3) is equipped with packet (4), the fixed surface (22) of fire-proof paper (22) is connected with fire-proof surface (3), fire extinguishing shells (18) are respectively arranged on the left side and the right side of the packaging paper (22), an adhesive (20) is arranged on the left side and the right side of the fire extinguishing shells (18), an expansion material (19) is arranged on the inner surface of the fire extinguishing shells (18), a lead (21) is fixedly connected to the outer surface of the packaging paper (22), the bottom of the lead (21) penetrates through the inner cavity of the packaging paper (22) and is fixedly connected with a detonator (23), and the inner cavity of the packaging paper (22) is filled with a fire extinguishing agent (24);
the fire-retardant cable is characterized in that the conductor (1) is made of copper wires, the fire-retardant filler (7) is made of aluminum hydroxide, the fire-extinguishing bags (4) are uniformly distributed on the outer surface of the fireproof coating (3), the fire-retardant fireproof wrapping tape (6) is made of glass fiber cloth, the inner sheath (11) is made of crosslinked polyethylene, the metal shielding layer (12) is made of copper strips, the waterproof layer (13) is made of water-blocking expansion tapes, the armor layer (14) is made of fine round steel wire meshes, the expansion materials (19) are made of expanded vermiculite, and the fire extinguishing agent (24) is made of dry powder fire extinguishing agent.
2. The fireproof cable according to claim 1, characterized in that a reinforcing core (5) is arranged at the center of the inner cavity of the flame-retardant fireproof wrapping tape (6), the reinforcing core (5) is made of low-carbon galvanized steel wires, the inner protective layer (2) is wound on the surface of the reinforcing core (5), and the inner protective layer (2) is positioned in the flame-retardant filler (7).
3. A fire-proof cable according to claim 1, characterized in that the inner protective layer (2) comprises a conductor shielding layer (15), the conductor shielding layer (15) is wound on the surface of the conductor (1), an insulating layer (16) is fixedly sleeved on the outer surface of the conductor shielding layer (15), and an insulating shielding layer (17) is wound on the outer surface of the insulating layer (16); the material of the conductor shielding layer (15) is semi-conductive paper, the material of the insulating layer (16) is styrene-butadiene rubber, and the material of the insulating shielding layer (17) is aluminum foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443475.4A CN114141416B (en) | 2021-11-30 | 2021-11-30 | Fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111443475.4A CN114141416B (en) | 2021-11-30 | 2021-11-30 | Fireproof cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114141416A CN114141416A (en) | 2022-03-04 |
| CN114141416B true CN114141416B (en) | 2023-11-28 |
Family
ID=80389958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111443475.4A Active CN114141416B (en) | 2021-11-30 | 2021-11-30 | Fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114141416B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114999720B (en) * | 2022-06-13 | 2023-07-11 | 虹峰电缆股份有限公司 | Fire-resistant control cable |
| CN117253666B (en) * | 2023-10-19 | 2024-03-01 | 建业电缆集团有限公司 | Low-smoke halogen-free mica mineral reinforced fireproof cable |
| CN117995478B (en) * | 2024-02-02 | 2024-09-10 | 无锡市胜华电缆有限公司 | Fireproof cable with separation function |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1179521A (en) * | 1957-07-01 | 1959-05-26 | Acec | Fire-extinguishing power electric cables |
| CN202601269U (en) * | 2012-06-07 | 2012-12-12 | 嘉兴市新缆电缆有限公司 | Fireproof cable |
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| CN113299430A (en) * | 2021-05-20 | 2021-08-24 | 江西美园电缆集团有限公司 | Fire-fighting composite cable, manufacturing mold and manufacturing process |
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