CN214588159U - Fire-resistant insulated cable - Google Patents
Fire-resistant insulated cable Download PDFInfo
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- CN214588159U CN214588159U CN202120864199.8U CN202120864199U CN214588159U CN 214588159 U CN214588159 U CN 214588159U CN 202120864199 U CN202120864199 U CN 202120864199U CN 214588159 U CN214588159 U CN 214588159U
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- 239000010410 layer Substances 0.000 claims abstract description 211
- 238000009413 insulation Methods 0.000 claims abstract description 85
- 239000004020 conductor Substances 0.000 claims abstract description 65
- 239000003063 flame retardant Substances 0.000 claims abstract description 41
- 239000011248 coating agent Substances 0.000 claims abstract description 35
- 238000000576 coating method Methods 0.000 claims abstract description 35
- 239000011241 protective layer Substances 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 33
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- 239000011888 foil Substances 0.000 claims description 29
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- 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 abstract description 32
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- 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a fire-resistant insulated cable relates to fireproof cable technical field. The utility model discloses a conductor, Dike aluminium foil heat insulation book and waterproof layer, the outside of two pairs of conductors is provided with the Dike aluminium foil heat insulation book, and one side periphery that the conductor was kept away from to the Dike aluminium foil heat insulation book is provided with the waterproof layer, and two pairs of conductors are the rectangular array and distribute in the centre of the Dike aluminium foil heat insulation book. The utility model discloses a conductor, the insulating layer, the outsourcing protective layer, fire-retardant layer, the thermal-insulated book of Dike aluminium foil, receive the insulating layer a little, the waterproof layer, high temperature inorganic coating, it is that the inflammable goods caused the conflagration hidden danger easily to have solved current cable, present fireproof cable, practical life is short, endurance is not strong, along with time increases, the cable only possesses inside fire prevention effect and has ignored the cable surface that outside high temperature caused and drop, cause the flame retardant coating to become invalid, the practicality is poor, waterproof performance is poor, inner structure is unsafe when the cable is damaged, in case traditional mineral insulated cable is punctured and just can't resume its electrical property again, only can scrapped problem.
Description
Technical Field
The utility model belongs to the technical field of the fireproof cable, especially, relate to a fire-resistant insulated cable.
Background
The present invention relates to a cable for transmitting electric power or information from one place to another place, and is characterized by that said cable is made up by using one or several mutually-insulated conductors and an external insulating protective layer, and is a rope-like cable formed from several or several groups of conductors (at least two in every group) which are twisted together, and every group of conductors is mutually insulated, and is usually twisted around a centre, and the whole external surface is covered with a high-insulating covering layer. The cable has the characteristics of internal electrification and external insulation, copper price rises at a high speed in six and seventies, copper materials are controlled by trade as strategic materials due to political factors, a large amount of aluminum is adopted as a main conductor material of the power transmission cable in China, and 'aluminum replaces copper' becomes a technical policy generally followed by the electrical industry. Therefore, the trunk lines and the branch lines of the civil buildings all adopt pure aluminum cables. The disadvantages of pure aluminum conductors are mainly shown in the following aspects: the copper-aluminum transition connection structure has the advantages of poor mechanical strength, easiness in breaking, creep deformation, frequent screw fastening, easiness in overload heating, potential safety hazard and no good solution to the problem of copper-aluminum transition connection. These problems are not only the problems faced in China, but also the same problems faced by the world cable industry, but the following disadvantages still exist in practical use:
1. the existing cable is also an inflammable product and easily causes fire hazard, the existing fireproof cable is short in service life and weak in endurance, a fireproof layer of the cable is easy to fall off along with the increase of time, the fireproof effect is lost, the cable only has an internal fireproof effect, and the falling of the surface of the cable caused by external high temperature is ignored, so that the fireproof layer is failed, the practicability is poor, the waterproof performance is poor, and the internal structure is unsafe when the cable is damaged;
2. the existing cable is spread to the electrical equipment connected with the cable or other areas with explosion-proof requirements through the gap between the cable sheath and the insulating layer, so that the existing cable is carefully selected in important places such as fire-fighting systems and the like. In addition, if the traditional cable accidentally generates overvoltage in the using process, the traditional mineral insulated cable cannot recover the electrical performance once being punctured due to improper selection of the sheath and can only be discarded.
Therefore, the existing fire-resistant insulated cable cannot meet the requirement in practical use, so that the market needs an improved technology to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire-resistant insulated cable, through having set up conductor, insulating layer, outsourcing protective layer, fire-retardant layer, Dike aluminium foil heat insulation book, polyurethane foaming layer, micro-nano insulating layer, waterproof layer, high temperature inorganic coating, it is inflammable and easy to cause the fire hidden danger to have solved current cable, current fireproof cable, practical life is short, the endurance is not strong, along with the time increase, its flame retardant coating drops easily, lose the effect of fire prevention, the cable only possesses the inside fire prevention effect and neglects the cable surface that outside high temperature caused and drops, cause the flame retardant coating to become invalid, the practicality is poor, waterproof performance is poor, the internal structure is unsafe when the cable is damaged; the cable is spread to the electrical equipment connected with the cable or other areas with explosion-proof requirements through the gap between the cable sheath and the insulating layer, so that the cable is carefully selected in important places such as fire-fighting systems and the like. In addition, if the traditional cable accidentally generates overvoltage in the using process, the traditional mineral insulated cable cannot recover the electrical performance once being punctured due to improper selection of the sheath, and only can be scrapped.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a fire-resistant insulated cable, including conductor, Dike aluminium foil heat insulation book and waterproof layer, the outside of two pairs of the conductor is provided with the Dike aluminium foil heat insulation book, the circumference of one side that the conductor was kept away from to the Dike aluminium foil heat insulation book is provided with the waterproof layer, and two pairs of the conductor is rectangular array distribution in the middle of the Dike aluminium foil heat insulation book; through having set up conductor and Dike aluminium foil heat insulation book and waterproof layer, the conductor is inside the Dike aluminium foil heat insulation book, keep apart and protect through a series of fire-proof insulating material, the setting of the Dike aluminium foil heat insulation book is to cable inner structure's protection and thermal-insulated, exterior structure layer is simple, the waterproof layer is in the outside, also the one deck of the most important, waterproof layer protection inner structure is not polluted by the rainwater, further protect inside structure normal use, inside electrical apparatus in case reveals, the damage that causes can not be estimated, so the outside of waterproof layer has set up the difficult protective material that drops of one deck.
Furthermore, the outer side surfaces of the conductors are fixedly connected with isolation layers, one side, far away from the conductors, of each isolation layer is fixedly connected with an insulating layer, outer side of the two pairs of the insulating layers on the conductors are provided with outer covering protection layers, a filling layer is filled between each outer covering protection layer and each insulating layer, and the filling layer is arranged inside the Dike aluminum foil heat insulation roll; the insulation layer and the insulation layer are arranged, the insulation layer is arranged on the outer side of the conductor, the direct contact between the conductor and substances on the outer side is cut off, the conductor is protected, water-soluble epoxy resin is selected as a cross-linking agent, an organic silicon polymer forms a layer which is singly adhered to a polyolefin substrate surface protection layer, the heat-resistant and shrink-proof effect of the substrate is obviously improved, macromolecules in the polypropylene substrate can bear the high temperature of 100-165 ℃, the change caused by the oriented arrangement and heating can be reduced to the minimum limit, the shrinkage rate is ensured to be below 1 percent, the index requirement of the insulation layer of the electric wire and cable is completely met, the insulation layer is arranged, the electric power in the conductor is protected from leaking, the material of the insulation layer adopts a thermoplastic resin prepared by polymerizing ethylene, does not contain halogen substances, and is an 'environment-friendly' material. PE is odorless and nontoxic, feels like wax, has excellent low-temperature resistance (the lowest use temperature can reach-100 to-70 ℃), has good chemical stability, and can resist corrosion of most of acid and alkali (cannot resist acid with oxidation property); the paint is insoluble in common solvents at normal temperature, and has small water absorption and excellent electrical insulation; but is harder in texture and more expensive than PVC. Through adding other material, can with PVC appearance, possess the broad characteristic scope, through having set up the filling layer, the filling layer is between insulating layer and outsourcing protective layer, and the material of filling layer is with low smoke halogen-free material as the main material, and the material is nontoxic, produces a small amount of smog, to proruption conflagration, the harm of greatly reduced cable to human body and equipment.
Furthermore, the outer side of the outer protective layer arranged on the outer side of the conductor is fixedly connected with a flame-retardant layer, one side of the flame-retardant layer, which is far away from the conductor, is fixedly connected with an oxygen-isolating layer, and one side of the oxygen-isolating layer, which is far away from the flame-retardant layer, is fixedly connected with a fire-resistant layer; the flame-retardant layer and the oxygen-isolating layer are arranged, the flame-retardant layer is arranged on the outer side of the outer side outer covering protective layer on the conductor, so that objects of the cable are prevented from being burnt by flames or sparks of the flames to cause irreparable loss, the flame-retardant layer is made of ZFBD type self-adhesive cable fireproof flame-retardant wrapping tape, is a novel fireproof flame-retardant material for cables and optical cables, and has the characteristics of high flame retardance, self adhesion and tensile strength; this product is around the surface of package at cable, communication optical cable's protective layer, and when cable, communication optical cable were on fire, thereby the band formed the carbonization zone of thermal-insulated oxygen-resistant thereby prevents that flame prolongs cable expansion burning. When the external environment is on fire, the self-adhesive fireproof wrapping tape can protect the cable and the communication optical cable from normally running for a certain time. The self-adhesive cable fireproof flame-retardant wrapping tape is nontoxic, tasteless and pollution-free in production and use, and is convenient and quick to construct and use once for all due to self-adhesion. The product is tightly attached to the cable and the communication optical cable, and has no influence on the heat dissipation capacity of the current-carrying capacity of the cable and the communication optical cable; the service life of the product is synchronous with that of the cable, the product is a new fireproof and flame-retardant product for various types of cables and optical cables, the flame retardant layer is arranged outside the oxygen isolation layer, and the material adopts a material capable of bearing high temperature and is used for protecting the surface of the outer protective layer.
Furthermore, the inner side of the Dike aluminum foil heat insulation roll is fixedly connected with a fire-resistant layer arranged on the outermost side of the conductor, one side, far away from the fire-resistant layer, of the Dike aluminum foil heat insulation roll is fixedly connected with a heat-preservation heat insulation paper layer, one side, far away from the Dike aluminum foil heat insulation roll, of the heat-preservation heat insulation paper layer is fixedly connected with a glass fiber cotton layer, and one side, far away from the heat-preservation heat insulation paper layer, of the glass fiber cotton layer is fixedly connected with a polyurethane foaming layer; through having set up Dike aluminium foil thermal-insulated book and heat preservation insulated paper, a pair of cable in low temperature environment keeps warm the measure, secondly keep apart external high temperature, can reflect most sunshine, the inside fire resistive construction's of effectual protection is complete, thermal insulation material plays the guard action, through having set up the cotton layer of glass fiber, the cotton layer of glass fiber is good to thermal-insulated effect, good insulation, the heat resistance is strong, be an excellent performance's inorganic non-metallic material, glass fiber is usually as the reinforcing material among the combined material, electric insulation material and adiabatic insulation material, seamless, have better seal, can improve comprehensive energy-conserving effect, through having set up the polyurethane foaming layer, waterproof nature is very high, article density is high, the effect is instant, the heat preservation is strong, economic benefits is good, ageing-resistant.
Further, a centrifugal stripping fiber cotton layer is fixedly connected to the outer side of the polyurethane foaming layer arranged on the outer side of the Dike aluminum foil heat insulation roll, a micro-nano heat insulation layer is fixedly connected to one side, away from the polyurethane foaming layer, of the centrifugal stripping fiber cotton layer, a waterproof layer is fixedly connected to one side, away from the centrifugal stripping fiber cotton layer, of the micro-nano heat insulation layer, and a high-temperature inorganic coating is fixedly connected to one side, away from the micro-nano heat insulation layer, of the waterproof layer; through having set up high temperature inorganic coating, the temperature resistant is high, the hardness is good, the coating job stabilization, other parameter index of high temperature inorganic coating also a lot of innovation, surpass international advanced technical level, a plurality of innovation technologies have overcome the world chemical industry difficult problem, apply for a plurality of world patents, also bring the sexual transition for other industrial production, high temperature resistant inorganic coating adopts high temperature resistant solution, temperature resistant 1800 ℃, can directly face to roast for a long time, thermal-insulated heat preservation rate is splendid, the coating coefficient of heat conductivity is only 0.03W/m.K, through having set up receiving the insulating layer a little, block external high temperature, the effectual high temperature that can prevent the conflagration and bring.
The utility model discloses following beneficial effect has:
1. the utility model discloses a conductor, insulating layer, outsourcing protective layer, fire-retardant layer, Dike aluminium foil heat insulation book, polyurethane foaming layer, receive insulating layer, waterproof layer, high temperature inorganic coating a little, it is that the inflammable goods easily causes the conflagration hidden danger to have solved current cable, present fireproof cable, practical life is short, the endurance is not strong, along with time increase, its flame retardant coating drops easily, lose the effect of fire prevention, the cable only possesses inside fire prevention effect and neglects the cable surface that outside high temperature caused and drops, cause the flame retardant coating to become invalid, the practicality is poor, waterproof performance is poor, the problem that the inner structure is unsafe when the cable is damaged; the flame-retardant layer and the oxygen-isolating layer are arranged, the flame-retardant layer is arranged on the outer side of the outer side outer covering protective layer on the conductor, so that objects of the cable are prevented from being burnt by flames or sparks of the flames to cause irreparable loss, the flame-retardant layer is made of ZFBD type self-adhesive cable fireproof flame-retardant wrapping tape, is a novel fireproof flame-retardant material for cables and optical cables, and has the characteristics of high flame retardance, self adhesion and tensile strength; the product is wrapped on the outer surfaces of the protective layers of the cable and the communication optical cable, and when the cable and the communication optical cable are on fire, the wrapping tape forms a heat-insulating and oxygen-blocking carbonized layer so as to prevent flame from expanding and burning along the cable; when the external environment is on fire, the self-adhesive fireproof wrapping tape can protect the cable and the communication optical cable from normally running for a certain time; the self-adhesive cable fireproof flame-retardant wrapping tape is nontoxic, tasteless and pollution-free in production and use, and is convenient and quick to construct and use once for all due to self-adhesion; the product is tightly attached to the cable and the communication optical cable, and has no influence on the heat dissipation capacity of the current-carrying capacity of the cable and the communication optical cable; the service life of the product is synchronous with that of the cable, the product is a new fireproof and flame-retardant product for various types of cables and optical cables, the flame retardant layer is arranged outside the oxygen isolation layer, and the material adopts a material capable of bearing high temperature and is used for protecting the surface of the outer protective layer.
2. The utility model discloses a conductor, insulating layer, outsourcing protective layer, fire-retardant layer, Dike aluminium foil heat insulation book, polyurethane foaming layer, receive insulating layer, waterproof layer, high temperature inorganic coating a little, solved the cable and propagated cable junction's electrical equipment or other areas that have explosion-proof requirement through the space of cable sheathing and insulating layer, so in some important places, like fire extinguishing system etc. should carefully select. In addition, if the traditional cable generates overvoltage accidentally in the using process, the traditional mineral insulated cable cannot recover the electrical performance once being broken down due to improper selection of the sheath and can only be scrapped; through having set up high temperature inorganic coating, the temperature resistant is high, the hardness is good, the coating job stabilization, other parameter index of high temperature inorganic coating also a lot of innovation, surpass international advanced technical level, a plurality of innovation technologies have overcome the world chemical industry difficult problem, apply for a plurality of world patents, also bring the sexual transition for other industrial production, high temperature resistant inorganic coating adopts high temperature resistant solution, temperature resistant 1800 ℃, can directly face to roast for a long time, thermal-insulated heat preservation rate is splendid, the coating coefficient of heat conductivity is only 0.03W/m.K, through having set up receiving the insulating layer a little, block external high temperature, the effectual high temperature that can prevent the conflagration and bring.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
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 introduced 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 that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a detailed view of the conductor structure of the present invention;
fig. 4 is a detailed structural view of the die aluminum foil heat insulation roll of the present invention;
fig. 5 is a detailed structural diagram of the waterproof layer of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. a conductor; 101. an isolation layer; 102. an insulating layer; 103. coating a protective layer outside; 104. a filling layer; 105. a flame retardant layer; 106. an oxygen barrier layer; 107. a refractory layer; 200. a Dike aluminum foil insulation roll; 201. a heat-insulating paper layer; 202. a glass fiber cotton layer; 203. a polyurethane foam layer; 204. centrifugally stripping the fiber cotton layer; 205. a micro-nano heat insulation layer; 300. a waterproof layer; 301. high-temperature inorganic paint.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-5, the present invention relates to a fire-resistant insulated cable, which includes conductors 100, Dike aluminum foil insulation rolls 200 and a waterproof layer 300, wherein the outer sides of two pairs of conductors 100 are provided with the Dike aluminum foil insulation rolls 200, the periphery of one side of the Dike aluminum foil insulation rolls 200 away from the conductors 100 is provided with the waterproof layer 300, and the two pairs of conductors 100 are distributed in a rectangular array in the middle of the Dike aluminum foil insulation rolls 200; after processing various materials, the conductors 100 are combined, objects on the peripheral sides of the two pairs of conductors 100 are installed, the Dike aluminum foil heat insulation roll 200 is fixed on the outer side of the conductors 100, and the waterproof layer 300 is fixed on the outer side of the Dike aluminum foil heat insulation roll 200 for waterproofing.
As shown in fig. 1-2, an isolation layer 101 is fixedly connected to the outer surface of each conductor 100, an insulation layer 102 is fixedly connected to one side of each isolation layer 101, which is far away from each conductor 100, an outer protective layer 103 is arranged on the outer sides of the insulation layers 102 on the two pairs of conductors 100, a filling layer 104 is filled between the outer protective layer 103 and the insulation layer 102, and the filling layer 104 is arranged inside the Dike aluminum foil insulation roll 200; the outside of conductor 100 is fixed with isolation layer 101, and the outside fixedly connected with insulating layer 102 of isolation layer 101, after internal conductor 100 circular telegram, inside electric power blocks, guarantees personnel's safety, and the outside fixedly connected with outsourcing protective layer 103 of insulating layer 102 has filling layer 104 on the outsourcing protective layer 103 and between insulating layer 102, and the material can not cause a large amount of smog when filling layer 104 plays protection conductor 100 and conflagration, causes secondary pollution to the personnel.
As shown in fig. 1 to 3, a flame retardant layer 105 is fixedly connected to the outer side of the outer protective layer 103 disposed on the outer side of the conductor 100, an oxygen barrier layer 106 is fixedly connected to one side of the flame retardant layer 105 away from the conductor 100, and a fire retardant layer 107 is fixedly connected to one side of the oxygen barrier layer 106 away from the flame retardant layer 105; the flame retardant layer 105 is arranged on the outer side of the outer protective layer 103 and used for preventing external sparks from burning to the inner structure, and the flame retardant layer 107 is arranged on the outer side of the oxygen isolating layer 106 and made of a material capable of withstanding high temperature and used for protecting the surface of the outer protective layer 103.
As shown in fig. 1 to 4, the inner side of the Dike aluminum foil insulation roll 200 is fixedly connected with the fire-resistant layer 107 arranged on the outermost side of the conductor 100, one side of the Dike aluminum foil insulation roll 200 far away from the fire-resistant layer 107 is fixedly connected with a heat-preservation insulation paper layer 201, one side of the heat-preservation insulation paper layer 201 far away from the Dike aluminum foil insulation roll 200 is fixedly connected with a glass fiber cotton layer 202, and one side of the glass fiber cotton layer 202 far away from the heat-preservation insulation paper layer 201 is fixedly connected with a polyurethane foaming layer 203; the glass fiber cotton layer 202 is an inorganic non-metallic material with excellent heat insulation effect, good insulativity and strong heat resistance, the glass fiber is usually used as a reinforcing material, an electrical insulating material and a heat insulation material in a composite material, no seam exists, the glass fiber cotton layer has better airtightness, and the comprehensive energy-saving effect can be improved, the polyurethane foam layer 203 is arranged on the outer side of the glass fiber cotton layer 202, the waterproof performance is very high, the object density is high, the effect is instant, the heat insulation effect is strong, the economic benefit is good, and the glass fiber cotton layer is ageing-resistant.
As shown in fig. 1-5, a centrifugal stripping fiber cotton layer 204 is fixedly connected to the outer side of a polyurethane foam layer 203 arranged on the outer side of a Dike aluminum foil insulation roll 200, a micro-nano thermal insulation layer 205 is fixedly connected to one side, away from the polyurethane foam layer 203, of the centrifugal stripping fiber cotton layer 204, a waterproof layer 300 is fixedly connected to one side, away from the centrifugal stripping fiber cotton layer 204, of the micro-nano thermal insulation layer 205, and a high-temperature inorganic coating 301 is fixedly connected to one side, away from the micro-nano thermal insulation layer 205, of the waterproof layer 300; the high-temperature inorganic coating 301 is high in temperature resistance, good in hardness and stable in coating work, other parameter indexes of the coating of the high-temperature inorganic coating 301 are innovated, the international advanced technical level is surpassed, the world chemical problems are overcome by multiple innovative technologies, multiple world patents are applied, the sexual transformation is brought to other industrial production, the high-temperature inorganic coating 301 adopts a high-temperature resistant solution, the temperature is 1800 ℃ resistant, the high-temperature inorganic coating can directly face long-time barbecue, the heat insulation rate is excellent, the heat conductivity coefficient of the coating is only 0.03W/m.K, the micro-nano heat insulation layer 205 blocks the external high temperature, and the high temperature caused by fire can be effectively prevented.
One specific application of this embodiment is: after various materials are processed, the conductors 100 are combined, objects on the peripheral sides of the two pairs of conductors 100 are installed, a Dike aluminum foil heat insulation roll 200 is fixed on the outer side of the conductors 100, a waterproof layer 300 is fixed on the outer side of the Dike aluminum foil heat insulation roll 200 for waterproofing, an isolation layer 101 is fixed on the outer side of the conductors 100, an insulation layer 102 is fixedly connected on the outer side of the isolation layer 101, after the inner conductors 100 are electrified, the inner electric power is blocked, the safety of personnel is ensured, an outer wrapping protection layer 103 is fixedly connected on the outer side of the insulation layer 102, a filling layer 104 is arranged between the outer wrapping protection layer 103 and the insulation layer 102, the filling layer 104 protects the conductors 100 and materials in fire from causing a large amount of smoke and secondary pollution to personnel, the outer side of the flame retardant layer 105 on the outer wrapping protection layer 103 prevents external sparks from burning to the inner structure, the flame retardant layer 107 is arranged on the outer side of the oxygen insulation layer 106, and the materials can withstand high temperature, the high-temperature inorganic coating 301 is used for protecting the surface of the outer protective layer 103, the glass fiber cotton layer 202 has excellent heat insulation effect, good insulation property and strong heat resistance, and is an inorganic non-metallic material with excellent performance, the glass fiber is usually used as a reinforcing material, an electrical insulating material and a heat insulation material in a composite material, has no seam, has better tightness, and can improve the comprehensive energy-saving effect, the polyurethane foam layer 203 is arranged at the outer side of the glass fiber cotton layer 202, has very high water resistance, high object density, instant effect, strong heat insulation effect, good economic benefit, aging resistance, high temperature resistance, good hardness, stable coating work, and other parameter indexes of the high-temperature inorganic coating 301 are innovated, exceeds the international advanced technical level, solves the problem in the chemical world by multiple innovative technologies, applies for multiple world patents, and brings sexual transition to other industrial production, the high-temperature-resistant inorganic coating 301 adopts a high-temperature-resistant solution, can resist temperature of 1800 ℃, can directly face long-time roasting, has excellent heat insulation and heat preservation rate, has a coating heat conductivity coefficient of only 0.03W/m.K, blocks external high temperature through the micro-nano heat insulation layer 205, and can effectively prevent high temperature caused by fire.
The above is only the preferred embodiment of the present invention, and the present invention is not limited thereto, any technical solutions recorded in the foregoing embodiments are modified, and some technical features thereof are replaced with equivalent ones, and any modification, equivalent replacement, and improvement made thereby all belong to the protection scope of the present invention.
Claims (5)
1. A fire-resistant insulated cable comprising a conductor (100), a Dike aluminum foil insulation roll (200) and a waterproof layer (300), characterized in that: dike aluminum foil heat insulation rolls (200) are arranged on the outer sides of the two pairs of conductors (100), a waterproof layer (300) is arranged on the periphery of one side, away from the conductors (100), of the Dike aluminum foil heat insulation rolls (200), and the two pairs of conductors (100) are distributed in a rectangular array in the middle of the Dike aluminum foil heat insulation rolls (200).
2. The fire-resistant insulated cable according to claim 1, wherein an insulating layer (101) is fixedly connected to the outer side surface of the conductor (100), an insulating layer (102) is fixedly connected to one side of the insulating layer (101) far away from the conductor (100), outer protective coatings (103) are arranged on the outer sides of the insulating layers (102) on the two pairs of conductors (100), a filling layer (104) is filled between the outer protective coatings (103) and the insulating layers (102), and the filling layer (104) is arranged inside the Dike aluminum foil thermal insulation roll (200).
3. The fire-resistant insulated cable according to claim 1, wherein a fire-retardant layer (105) is fixedly connected to the outer side of the outer protective layer (103) arranged on the outer side of the conductor (100), an oxygen-insulating layer (106) is fixedly connected to one side of the fire-retardant layer (105) far away from the conductor (100), and a fire-retardant layer (107) is fixedly connected to one side of the oxygen-insulating layer (106) far away from the fire-retardant layer (105).
4. The fire-resistant insulated cable according to claim 1, wherein the inner side of the Dike aluminum foil thermal insulation roll (200) is fixedly connected with a fire-resistant layer (107) arranged on the outermost side of the conductor (100), one side of the Dike aluminum foil thermal insulation roll (200) far away from the fire-resistant layer (107) is fixedly connected with a thermal insulation paper layer (201), one side of the thermal insulation paper layer (201) far away from the Dike aluminum foil thermal insulation roll (200) is fixedly connected with a glass fiber cotton layer (202), and one side of the glass fiber cotton layer (202) far away from the thermal insulation paper layer (201) is fixedly connected with a polyurethane foam layer (203).
5. The fire-resistant insulated cable according to claim 1, wherein a centrifugal stripping fiber cotton layer (204) is fixedly connected to the outer side of a polyurethane foam layer (203) arranged on the outer side of the Dike aluminum foil insulation roll (200), a micro-nano insulation layer (205) is fixedly connected to one side, away from the polyurethane foam layer (203), of the centrifugal stripping fiber cotton layer (204), a waterproof layer (300) is fixedly connected to one side, away from the centrifugal stripping fiber cotton layer (204), of the micro-nano insulation layer (205), and a high-temperature inorganic coating (301) is fixedly connected to one side, away from the micro-nano insulation layer (205), of the waterproof layer (300).
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| CN202120864199.8U CN214588159U (en) | 2021-04-25 | 2021-04-25 | Fire-resistant insulated cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115440426A (en) * | 2022-09-28 | 2022-12-06 | 广东双利电缆有限公司 | Effectual aluminum alloy cable of high temperature resistant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115440426A (en) * | 2022-09-28 | 2022-12-06 | 广东双利电缆有限公司 | Effectual aluminum alloy cable of high temperature resistant |
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Denomination of utility model: A fire-resistant insulated cable Effective date of registration: 20230410 Granted publication date: 20211102 Pledgee: Bank of China Co.,Ltd. Wuming Branch of Nanning City Pledgor: GUANGXI GUICHAO CABLE INVESTMENT Co.,Ltd. Registration number: Y2023450000036 |
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Granted publication date: 20211102 Pledgee: Bank of China Co.,Ltd. Wuming Branch of Nanning City Pledgor: GUANGXI GUICHAO CABLE INVESTMENT Co.,Ltd. Registration number: Y2023450000036 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A fire-resistant insulated cable Granted publication date: 20211102 Pledgee: Bank of China Co.,Ltd. Wuming Branch of Nanning City Pledgor: GUANGXI GUICHAO CABLE INVESTMENT Co.,Ltd. Registration number: Y2024980012100 |
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