CN111799029B - Fire-resistant and high-temperature-resistant control cable and manufacturing method thereof - Google Patents
Fire-resistant and high-temperature-resistant control cable and manufacturing method thereof Download PDFInfo
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- CN111799029B CN111799029B CN202010692350.4A CN202010692350A CN111799029B CN 111799029 B CN111799029 B CN 111799029B CN 202010692350 A CN202010692350 A CN 202010692350A CN 111799029 B CN111799029 B CN 111799029B
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Classifications
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- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/148—Selection of the insulating material therefor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
-
- 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
- H01B7/0009—Details relating to the conductive cores
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- 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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
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- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
- H01B7/1815—Protections not provided for in groups H01B7/182 - H01B7/26 composed of longitudinal inserts
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- 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
- H01B7/228—Metal braid
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- 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
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- 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
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- 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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a fire-resistant and high-temperature-resistant control cable, which comprises a plurality of groups of conductors and heat dissipation reinforcing pipes, wherein the conductors comprise insulating layers wrapped outside the conductors to form insulating wire cores, a plurality of insulating wire cores are wrapped with braided shielding layers, high-temperature-resistant loose tubes are wrapped outside the braided shielding layers to form main wire cores, the plurality of main wire cores are combined and sequentially wrapped with a fire-resistant heat-insulating layer, a flame-resistant inner sheath, a braided armor layer and a flame-resistant outer sheath, the heat dissipation reinforcing pipes are positioned among the plurality of main wire cores, a plurality of supporting frames are fixedly connected on the heat dissipation reinforcing pipes at equal intervals, and heat-insulating and flame-resistant particles are filled in the fire-resistant heat-insulating layer; the heat dissipation reinforced pipe made of the polytetrafluoroethylene material is arranged among the plurality of main wire cores, the appearance structure is fine, the mechanical impurity intensity is high, the main wire cores are positioned in central gaps of the plurality of main wire cores, and the structural stability, the tensile property and the high temperature resistance of the cable are improved; and through a plurality of air vents on the surface of the heat dissipation reinforcing pipe, the heat dissipation effect can be achieved, and the internal heat resistance of the cable is improved.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a fire-resistant and high-temperature-resistant control cable and a manufacturing method thereof.
Background
Fire-resistant cable means a cable that can be kept in operation safely for a certain period of time in the event of a flame burn. Fire-resistant cables are widely used in places related to fire safety and fire life saving, such as high-rise buildings, underground railways, underground streets, large power stations, and important industrial and mining enterprises, for example, power supply lines and control lines of emergency facilities such as fire-fighting equipment and emergency guide lamps.
The existing cable has poor fire resistance and high temperature resistance, and insufficient tensile and pressure-bearing capacity.
Disclosure of Invention
The invention aims to provide a fire-resistant and high-temperature-resistant control cable and a manufacturing method thereof, and solves the technical problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fire-resistant high temperature resistant control cable, includes the multiunit conductor, including the heat dissipation reinforced pipe, the outside cladding of conductor has the insulating layer to constitute insulating core, many the outer cladding of insulating core has woven shield, the outer cladding of woven shield has high temperature resistant loose tube to constitute the thread core, many the thread core phase combination has fire prevention insulating layer, fire-retardant inner sheath, weaves armor and fire-retardant oversheath in proper order the cladding, the heat dissipation reinforced pipe is located between many thread cores, equidistant a plurality of support frames of fixedly connected with on the heat dissipation reinforced pipe, the inside of fire prevention insulating layer is still filled there are thermal-insulated fire-retardant granule.
Preferably, the heat dissipation reinforced pipe is a polytetrafluoroethylene hose, and a plurality of vent holes are distributed on the peripheral wall of the heat dissipation reinforced pipe.
Preferably, the support frame comprises a fixed pipe hoop, a plurality of outer sleeves are fixedly connected to the outer peripheral wall of the fixed pipe hoop at equal intervals, an inner sleeve is connected in the outer sleeves in a sliding mode, an arc-shaped clamping plate is fixedly connected to one end of the inner sleeve, a first limiting ring is fixedly connected to the other end of the inner sleeve, a second limiting ring is fixedly connected to an opening of the outer sleeve, a pressure spring is arranged in the inner sleeve, and the pressure spring is located between the outer sleeves and the clamping plate; the support frame is made of polycarbonate material.
Preferably, the conductor is formed by twisting a plurality of strands of nickel-plated copper wires; the insulating layer is a ceramic silicon rubber insulating layer.
Preferably, the braided shielding layer is formed by braiding a plurality of silver-plated copper wires.
Preferably, the high-temperature-resistant loose tube is made of high-expansibility glass fiber and is coated with an iron oxide red silica gel layer.
Preferably, the woven armor layer is an aluminum magnesium alloy wire woven layer, the flame-retardant outer sheath is a woven layer formed by interweaving a plurality of layers of glass fibers and carbon fibers, and the flame-retardant inner sheath is a plurality of layers of alkali-free glass fiber woven layers; the fireproof heat insulation layer is halogen-free thermoplastic elastomer.
Preferably, the heat-insulating flame-retardant particles are antimony trioxide particles.
A preparation method of a fire-resistant and high-temperature-resistant control cable comprises the following specific implementation steps:
step one, twisting a plurality of nickel-plated copper wires to prepare a conductor;
secondly, extruding a layer of ceramic silicon rubber to form an insulating layer on the periphery of the conductor, wherein the insulating layer and the conductor form an insulating wire core;
thirdly, twisting a plurality of insulating wire cores to form a packaging body and coating a silver-plated copper wire braided layer to form a braided shielding layer; sleeving a high-bulk glass fiber tube outside the braided shielding layer, and coating iron oxide red silica gel to form a high-temperature-resistant loose tube; the packaging body, the braided shielding layer and the high-temperature loose sleeve form a main wire core;
step four, arranging a plurality of vent holes on the polytetrafluoroethylene hose to form a heat dissipation reinforced pipe, fixing a plurality of support frames at equal intervals outside the heat dissipation reinforced pipe, and arranging a plurality of main wire cores on the periphery of the heat dissipation reinforced pipe through a clamping plate;
step five, covering a halogen-free thermoplastic elastomer outside the main wire cores to form a fireproof heat insulation layer;
sixthly, filling antimony trioxide heat-insulating flame-retardant particles in gaps in the fireproof heat-insulating layer;
and step seven, coating a plurality of alkali-free glass fiber braided layers on the fireproof heat-insulating layer to form a flame-retardant inner sheath, coating an aluminum magnesium alloy wire braided layer outside the flame-retardant inner sheath to form a braided armor layer, and coating a plurality of glass fiber and carbon fiber braided layers outside the braided armor layer to form a flame-retardant outer sheath.
Compared with the prior art, the invention has the beneficial effects that:
1) the fire-resistant high-temperature-resistant control cable is a conductor twisted by a plurality of nickel-plated soft copper monofilaments, so that the aging catalysis of the copper conductor on an insulating layer can be effectively prevented, and the service life of the insulating layer is ensured.
2) According to the fire-resistant high-temperature-resistant control cable, the heat dissipation reinforced pipes made of the polytetrafluoroethylene materials are arranged among the main wire cores, the fire-resistant high-temperature-resistant control cable is fine in appearance organization, high in mechanical impurity strength, excellent in chemical stability, electrical insulation and ageing resistance, and can be used for a long time at the temperature of minus 60-250 ℃; the main wire cores are positioned in the central gaps of the main wire cores, so that the structural stability, the tensile property and the high-temperature resistance of the cable are improved; and through a plurality of air vents on the surface of the heat dissipation reinforcing pipe, the heat dissipation effect can be achieved when the cable generates heat at high temperature, the internal heat resistance of the cable is improved, the service life of the cable is prolonged, and the cable can normally work in various high-temperature environments.
3) This fire-resistant high temperature resistant control cable, through set up ceramic silicon rubber insulating layer outside the conductor, can effectively improve conductor insulating layer's fire resistance, compare in driven oxidized mineral insulating layer, have splendid fire prevention, fire-retardant, low cigarette, characteristics such as nontoxic, extrusion moulding simple process, its residue is hard ceramic shell after the burning, the crust does not melt and does not drip in the fire hazard environment, be applicable to the place that any needs were prevented fires, electric power transmission has played firm guard action in unobstructed under the assurance conflagration condition.
4) This fire-resistant high temperature resistant control cable, through pack thermal-insulated fire-retardant granule in the band layer, can play good thermal-insulated flame retardant efficiency with the fire prevention insulating layer cooperation of alkali-free glass fiber silk weaving layer material, can effectively improve the structural stability and the bearing capacity of cable simultaneously.
5) This fire-resistant high temperature resistant control cable through setting up almag silk weaving layer as the weaving armor of cable, has better structural stability, guarantees that the product has good anti mechanical damage ability and stable structure.
6) Fire-resistant high temperature resistant control cable through setting up the fire-retardant oversheath that multilayer glass fiber and carbon fiber interweaved and the fire-retardant inner sheath that multilayer alkali-free glass fiber silk weaving layer is constituteed, has good corrosion resistance and pliability, and electrical apparatus performance is splendid, can satisfy the performance demand that the working temperature difference is big, contact material corrosivity is strong and fire prevention requirement is very high.
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 the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a main core of the present invention;
FIG. 3 is a schematic structural diagram of the support frame of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the cable comprises a conductor 1, a heat dissipation reinforcing pipe 2, a braided shielding layer 3, an insulating layer 4, a high-temperature-resistant loose tube 5, a fireproof heat-insulating layer 6, a flame-retardant inner sheath 7, a braided armor layer 8, a flame-retardant outer sheath 9, a support frame 10, an air vent 11, a fixed pipe hoop 12, an outer sleeve 13, an inner sleeve 14, a clamping plate 15, a first limiting ring 16, a second limiting ring 17, heat-insulating flame-retardant particles 18 and a pressure spring 19.
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 to 3, the present invention provides the following technical solutions:
example one
The utility model provides a fire-resistant high temperature resistant control cable, including multiunit conductor 1, including heat dissipation reinforced pipe 2, the outside cladding of conductor 1 has insulating layer 4 to constitute insulating core, the outer cladding of many insulating core has woven shielding layer 3, the outer cladding of woven shielding layer 3 has high temperature resistant loose tube 5 to constitute the principal core, many principal core phase combinations and the cladding have fire prevention insulating layer 6 in proper order, fire-retardant inner sheath 7, weave armor 8 and fire-retardant oversheath 9, heat dissipation reinforced pipe 2 is located between many principal cores, a plurality of support frames 10 of equidistant fixedly connected with on the heat dissipation reinforced pipe 2, the inside of fire prevention insulating layer 6 still fills there is thermal-insulated fire-retardant granule 18.
The heat dissipation reinforced pipe 2 is a polytetrafluoroethylene hose, and a plurality of vent holes 11 are distributed on the outer peripheral wall of the heat dissipation reinforced pipe 2; the heat dissipation reinforced pipe 2 made of the polytetrafluoroethylene material is arranged among the plurality of main wire cores, the appearance structure is fine, the mechanical impurity-free strength is high, the chemical stability, the electrical insulation and the ageing resistance are excellent, and the heat dissipation reinforced pipe can be used for a long time at minus 60-250 ℃; the main wire cores are positioned in the central gaps of the main wire cores, so that the structural stability, the tensile property and the high-temperature resistance of the cable are improved; and through a plurality of air vents on the surface of the heat dissipation reinforcing pipe 2, the heat dissipation effect can be achieved when the cable generates heat at high temperature, the internal heat resistance of the cable is improved, the service life of the cable is prolonged, and the cable can normally work in various high-temperature environments.
The supporting frame 10 comprises a fixed pipe hoop 12, a plurality of outer sleeves 13 are fixedly connected to the outer peripheral wall of the fixed pipe hoop 12 at equal intervals, an inner sleeve 14 is connected in the outer sleeve 13 in a sliding mode, an arc-shaped clamping plate 15 is fixedly connected to one end of the inner sleeve 14, a first limiting ring 16 is fixedly connected to the other end of the inner sleeve 14, a second limiting ring 17 is fixedly connected to an opening of the outer sleeve 13, a pressure spring 19 is arranged in the inner sleeve 14, and the pressure spring 19 is located between the outer sleeve 13 and the clamping plate 15; the support frame 10 is made of polycarbonate material.
Wherein, the conductor 1 is formed by twisting a plurality of strands of nickel-plated copper wires; the insulating layer 4 is a ceramic silicon rubber insulating layer; the conductor 1 twisted by a plurality of nickel-plated soft copper monofilaments can effectively prevent the aging catalysis of the copper conductor on the insulating layer so as to ensure the service life of the insulating layer 4; through set up insulating layer 4 of pottery silicon rubber outside conductor 1, can effectively improve conductor insulation's fire resistance, compare in driven oxidized mineral insulating layer, have splendid fire prevention, fire-retardant, low smoke, characteristics such as nontoxic, extrusion moulding simple process, its residue is hard pottery shell after burning, the crust does not melt and does not drip in the fire environment, be applicable to any place that needs the fire prevention, played firm guard action in guaranteeing that power transmission is unobstructed under the conflagration condition.
Wherein, the braided shielding layer 3 is formed by braiding a plurality of silver-plated copper wires.
The high-temperature-resistant loose tube 5 is made of high-bulkiness glass fiber and is coated with an iron oxide red silica gel layer, the iron oxide red silica gel band can be continuously exposed to high temperature of 260 ℃ without being damaged, can bear 15-20 minutes at high temperature of 1090 ℃ and can bear 15-30 seconds at high temperature of 1650 ℃.
The composite material comprises a woven armor layer 8, a flame-retardant outer sheath 9, a flame-retardant inner sheath 7 and a composite material layer, wherein the woven armor layer 8 is an aluminum-magnesium alloy wire woven layer, the flame-retardant outer sheath 9 is a woven layer formed by interweaving a plurality of layers of glass fibers and carbon fibers, and the flame-retardant inner sheath 7 is a plurality of layers of alkali-free glass fiber wire woven layers; the fireproof heat-insulating layer 6 is halogen-free thermoplastic elastomer; the aluminum-magnesium alloy wire braided layer is used as the braided armor layer 8 of the cable, so that the cable has better structural stability, and the product is ensured to have good mechanical damage resistance and a stable structure; through setting up the fire-retardant oversheath 9 that multilayer glass fiber and carbon fiber interweaved and the fire-retardant inner sheath 7 that multilayer alkali-free glass fiber weaving layer constitutes, have good corrosion resistance and pliability, and electrical apparatus performance is splendid, can satisfy the performance demand that the working temperature difference is big, contact material corrosivity is strong and the fire prevention requires very high.
Wherein, the heat-insulating flame-retardant particles 18 are antimony trioxide particles; through pack thermal-insulated fire-retardant granule 18 in the band layer, can play good thermal-insulated flame retardant efficiency with the fire prevention insulating layer 6 cooperation of alkali-free glass fiber silk weaving layer material, can effectively improve the structural stability and the pressure-bearing performance of cable simultaneously.
Example two
A preparation method of a fire-resistant and high-temperature-resistant control cable comprises the following specific implementation steps:
firstly, stranding a plurality of nickel-plated copper wires to prepare a conductor 1;
secondly, extruding a layer of ceramic silicon rubber to form an insulating layer 4 on the periphery of the conductor 1, wherein the insulating layer 4 and the conductor 1 form an insulating wire core;
thirdly, twisting a plurality of insulating wire cores to form a packaging body and coating a silver-plated copper wire braided layer to form a braided shielding layer 3; a high-bulk glass fiber tube is sleeved outside the braided shielding layer 3, and is coated with iron oxide red silica gel to form a high-temperature-resistant loose tube 5; the packaging body, the braided shielding layer 3 and the high-temperature loose tube 5 form a main wire core;
fourthly, arranging a plurality of vent holes 11 on the polytetrafluoroethylene hose to form a heat dissipation reinforced pipe 2, fixing a plurality of support frames 10 at equal intervals outside the heat dissipation reinforced pipe 2, and arranging a plurality of main wire cores on the periphery of the heat dissipation reinforced pipe 2 through a clamping plate 15;
step five, covering a halogen-free thermoplastic elastomer outside the main wire cores to form a fireproof heat-insulating layer 6;
sixthly, filling antimony trioxide heat-insulating flame-retardant particles in gaps in the fireproof heat-insulating layer 6;
and step seven, coating a plurality of alkali-free glass fiber braided layers on the fireproof heat-insulating layer 6 to form a flame-retardant inner sheath 7, coating an aluminum magnesium alloy wire braided layer on the flame-retardant inner sheath 7 to form a braided armor layer 8, and coating a plurality of glass fiber and carbon fiber braided layers on the outside of the braided armor layer 8 to form a flame-retardant outer sheath 9.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The fire-resistant and high-temperature-resistant control cable comprises a plurality of groups of conductors (1) and is characterized by comprising heat dissipation reinforcing pipes (2), wherein an insulating layer (4) is coated outside each conductor (1) to form an insulating wire core, a plurality of insulating wire cores are coated with braided shielding layers (3), a high-temperature-resistant loose tube (5) is coated outside each braided shielding layer (3) to form a main wire core, the plurality of main wire cores are combined and sequentially coated with a fire-resistant heat-insulating layer (6), a flame-resistant inner sheath (7), a braided armor layer (8) and a flame-resistant outer sheath (9), each heat dissipation reinforcing pipe (2) is located among the plurality of main wire cores, a plurality of support frames (10) are fixedly connected to each heat dissipation reinforcing pipe (2) at equal intervals, and heat-insulating and flame-resistant particles (18) are filled inside each fire-resistant heat-insulating layer (6); the supporting frame (10) comprises a fixed pipe hoop (12), a plurality of outer sleeves (13) are fixedly connected to the outer peripheral wall of the fixed pipe hoop (12) at equal intervals, an inner sleeve (14) is connected in the outer sleeves (13) in a sliding mode, an arc-shaped clamping plate (15) is fixedly connected to one end of the inner sleeve (14), a first limiting ring (16) is fixedly connected to the other end of the inner sleeve (14), a second limiting ring (17) is fixedly connected to an opening of the outer sleeve (13), a pressure spring (19) is arranged in the inner sleeve (14), and the pressure spring (19) is located between the outer sleeve (13) and the clamping plate (15); the support frame (10) is made of polycarbonate material.
2. The fire-resistant and high-temperature-resistant control cable according to claim 1, wherein the heat dissipation reinforced tube (2) is a polytetrafluoroethylene hose, and a plurality of vent holes (11) are distributed on the outer peripheral wall of the heat dissipation reinforced tube (2).
3. The fire-resistant and high-temperature-resistant control cable according to claim 1, wherein the conductor (1) is formed by stranding a plurality of strands of nickel-plated copper wires; the insulating layer (4) is a ceramic silicon rubber insulating layer.
4. The fire-resistant and high-temperature-resistant control cable according to claim 1, wherein the braided shielding layer (3) is braided by a plurality of silver-plated copper wires.
5. The fire-resistant and high temperature-resistant control cable according to claim 1, wherein the high temperature-resistant loose tube (5) is made of high-bulkiness glass fiber and is coated with an iron oxide red silica gel layer.
6. The fire-resistant and high-temperature-resistant control cable according to claim 1, wherein the braided armor layer (8) is an aluminum-magnesium alloy wire braided layer, the flame-retardant outer sheath (9) is a braided layer formed by interweaving a plurality of layers of glass fibers and carbon fibers, and the flame-retardant inner sheath (7) is a plurality of layers of alkali-free glass fiber braided layers; the fireproof heat insulation layer (6) is halogen-free thermoplastic elastomer.
7. A fire-resistant and temperature-resistant control cable according to claim 1, wherein said heat-insulating and flame-retardant particles (18) are antimony trioxide particles.
8. The preparation method of the fire-resistant and high-temperature-resistant control cable according to any one of claims 1 to 7, characterized by comprising the following specific implementation steps:
step one, twisting a plurality of nickel-plated copper wires into a conductor (1);
secondly, extruding a layer of ceramic silicon rubber to form an insulating layer (4) on the periphery of the conductor (1), wherein the insulating layer (4) and the conductor (1) form an insulating wire core;
thirdly, twisting a plurality of insulating wire cores to form a packaging body and coating a silver-plated copper wire braided layer to form a braided shielding layer (3); a high-bulk glass fiber tube is sleeved outside the braided shielding layer (3), and is coated with iron oxide red silica gel to form a high-temperature-resistant loose tube (5); the packaging body, the braided shielding layer (3) and the high-temperature-resistant loose tube (5) form a main wire core;
fourthly, arranging a plurality of vent holes (11) on the polytetrafluoroethylene hose to form a heat dissipation reinforced pipe (2), fixing a plurality of support frames (10) on the outer portion of the heat dissipation reinforced pipe (2) at equal intervals, and arranging a plurality of main wire cores on the periphery of the heat dissipation reinforced pipe (2) through a clamping plate (15);
step five, covering halogen-free thermoplastic elastomer outside the main wire cores to form a fireproof heat insulation layer (6);
sixthly, filling antimony trioxide heat-insulating flame-retardant particles in gaps in the fireproof heat-insulating layer (6);
and seventhly, coating a plurality of layers of alkali-free glass fiber woven layers on the fireproof heat-insulating layer (6) to form a flame-retardant inner sheath (7), coating an aluminum magnesium alloy wire woven layer on the flame-retardant inner sheath (7) to form a woven armor layer (8), and coating a plurality of layers of glass fibers and carbon fiber woven layers on the outer part of the woven armor layer (8) to form a flame-retardant outer sheath (9).
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| CN202010692350.4A CN111799029B (en) | 2020-07-17 | 2020-07-17 | Fire-resistant and high-temperature-resistant control cable and manufacturing method thereof |
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| CN202010692350.4A CN111799029B (en) | 2020-07-17 | 2020-07-17 | Fire-resistant and high-temperature-resistant control cable and manufacturing method thereof |
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| CN111799029B true CN111799029B (en) | 2022-02-22 |
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| CN112397239A (en) * | 2020-11-09 | 2021-02-23 | 安徽福日光电科技有限公司 | Practical wire and cable of resistance to compression heat resistance |
| CN113205916B (en) * | 2021-05-06 | 2023-01-10 | 安徽锦标电气科技有限公司 | Photovoltaic cable easy to fix flat cable |
| CN114550986A (en) * | 2022-02-25 | 2022-05-27 | 江苏俊知技术有限公司 | Self-radiating flexible cable for communication power supply and manufacturing method thereof |
| CN114883046A (en) * | 2022-06-07 | 2022-08-09 | 上海耀闻电线电缆有限公司 | Fireproof cable and manufacturing method thereof |
| CN115312247A (en) * | 2022-07-27 | 2022-11-08 | 深圳市成天泰电缆实业发展有限公司 | High flame retardant cable with excellent flame retardant property |
| CN117153466B (en) * | 2023-08-28 | 2024-02-27 | 常熟市景弘盛通信科技股份有限公司 | Tensile heat-resistant flame-retardant environment-friendly energy storage cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2140220B (en) * | 1983-05-18 | 1987-01-07 | Britoil Plc | Mechanical spacer for towed acoustic array |
| CN202711833U (en) * | 2012-07-20 | 2013-01-30 | 安徽国电电缆集团有限公司 | Environment-friendly type watertight-type fireproof four-core marine cable |
| CN109065238A (en) * | 2018-08-10 | 2018-12-21 | 郑州极致科技有限公司 | A kind of Anti-pressure cable with heat dissipation effect |
| CN209029128U (en) * | 2018-09-06 | 2019-06-25 | 广东三康信息科技有限公司 | A kind of unshielded twisted pair with double hyer insulation protection |
| CN209418183U (en) * | 2018-10-30 | 2019-09-20 | 山东新鲁星电缆有限公司 | A kind of low pressure water-proof cable |
| CN209401346U (en) * | 2019-01-18 | 2019-09-17 | 扬州富龙线缆有限公司 | A kind of vapor-permeable type mine cable |
| CN111223609A (en) * | 2020-01-08 | 2020-06-02 | 河北万方线缆集团有限公司 | Composite cable and application thereof |
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