CN212874095U - Fireproof flame-retardant anti-interference composite cable - Google Patents
Fireproof flame-retardant anti-interference composite cable Download PDFInfo
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- CN212874095U CN212874095U CN202022310159.7U CN202022310159U CN212874095U CN 212874095 U CN212874095 U CN 212874095U CN 202022310159 U CN202022310159 U CN 202022310159U CN 212874095 U CN212874095 U CN 212874095U
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Abstract
The utility model discloses a fire-proof flame-retardant anti-interference composite cable, which comprises an insulation cable, a signal cable, a filling layer, an inner protection layer, an outer conductor layer, an armor layer, a flame-retardant wrapping layer, a flame-retardant reinforcing layer and an outer sheath layer from inside to outside in sequence, wherein the insulation cable comprises a phase conductor with a semicircular section, an anti-interference neutral conductor with a semicircular section and a shielding layer, and the signal cable comprises a signal conductor and a signal conductor insulating layer; the outer conductor layer is composed of a signal reinforcing cable and a flame-retardant filling core, and the signal reinforcing cable is composed of a signal reinforcing conductor and a signal and conductor insulating layer. The utility model discloses a special structural design has fabulous thermal-insulated effect of separating oxygen, has both reduced the interference between the cable, has still guaranteed communication signal's transmission, and holistic softness can be fabulous, effectively keeps apart high temperature flame and to the inside infringement of circuit, delays the decomposition of inside material, guarantees the unblocked of circuit under the conflagration condition, has reduced the installation and has laid the cost, has compromise enterprise and social.
Description
The technical field is as follows:
the utility model relates to a cable, in particular to fire prevention fire-retardant type anti-interference composite cable.
Background art:
with the rapid development of information technology, the performance requirements of indoor networks on the comprehensive wiring system are higher and higher. Indoor coverage construction requirements are increased rapidly, and a novel construction mode is urgently needed to be introduced to provide power supply and communication guarantee for a large number of terminal network element devices in fast-paced engineering construction. In the current network wiring system, particularly low-voltage power cables, main cables and ground cables cannot well distinguish the specific engineering environment and the use place in the laying process, so that the construction complexity is increased; and the cable that anti-interference performance is poor between the cable, lay along high-rise building in, because of there is not shielding layer, can cause the damage of insulating layer or be punctured, can appear the conflagration when serious, seriously influences people's daily life and life safety.
The utility model has the following contents:
the utility model discloses the technical problem that will solve is: the defects of the prior art are overcome, the fireproof anti-interference composite cable is provided, the cable adopts a unique structural design, mutual electromagnetic interference is reduced, good electrical isolation performance is achieved, good signal transmission is guaranteed, and the flexibility is excellent.
The utility model discloses a technical scheme who solves technical problem and take is:
a fireproof flame-retardant anti-interference composite cable sequentially comprises an insulating cable, a signal cable, a filling layer, an inner protection layer, an outer conductor layer, an armor layer, a flame-retardant wrapping layer, a flame-retardant reinforcing layer and an outer sheath layer from inside to outside, wherein the insulating cable sequentially comprises a phase conductor with a semicircular cross section, an anti-interference neutral conductor with a semicircular cross section and a shielding layer from inside to outside, the phase conductor comprises a phase conductor wire core with a semicircular cross section and a phase conductor insulating layer, the anti-interference neutral conductor comprises an anti-interference neutral conductor wire core with a semicircular cross section and a phase conductor insulating layer, and the signal cable comprises a signal conductor and a signal conductor insulating layer; the outer conductor layer is composed of a signal reinforcing cable and a flame-retardant filling core, and the signal reinforcing cable is composed of a signal reinforcing conductor and a signal and conductor insulating layer.
The phase conductor wire core and the anti-interference neutral conductor wire core are distributed in a centrosymmetric manner, a phase conductor insulating layer is wrapped outside the phase conductor wire core, and an anti-interference neutral conductor insulating layer is wrapped outside the anti-interference neutral conductor wire core; the phase conductor insulation layer and the anti-interference neutral conductor insulation layer form a circle, and the shielding layer wraps the phase conductor and the anti-interference neutral conductor.
The cable comprises three insulated cables, the outer walls of the three insulated cables are distributed in a tangent mode, signal cables are arranged between the outer portions of the three insulated cables and the inner protection layer, the number of the signal cables is three, a filling layer is arranged in a gap between the outer portions of the signal cables and the inner protection layer and between the outer portions of the signal cables and the insulated cables, and the outer portions of the three insulated cables are provided with the inner protection layer; the filling layer is formed by processing glass fiber filling materials, and the inner protection layer is formed by overlapping and wrapping polyester tapes.
The phase conductor wire core and the anti-interference neutral conductor wire core are both formed by processing 8030 aluminum alloy materials, the phase conductor insulating layer and the anti-interference neutral conductor insulating layer are both formed by processing cross-linked polyethylene materials, and the shielding layer is formed by processing soft weather-resistant polyvinyl chloride plastics.
The number of the signal reinforcing cables is three, three flame-retardant filling cores are arranged between the adjacent signal reinforcing cables, the signal reinforcing cables and the flame-retardant filling cores are uniformly surrounded outside the inner protective layer, and armor layers are arranged outside the signal reinforcing cables and the flame-retardant filling cores; the signal is strengthened the conductor and is adopted 8030 aluminum alloy material processing to form, and the signal adds the conductor insulating layer and adopts soft level weatherability polyvinyl chloride plastics processing to form, fire-retardant filler core adopts fire-retardant high density polyethylene macromolecular material processing to form, the armor is woven by 8030 aluminum alloy monofilament and is formed.
The signal conductor is processed by adopting an 8030 aluminum alloy material, and the signal conductor insulating layer is processed by adopting soft weather-resistant polyvinyl chloride plastic.
The flame-retardant wrapping layer is formed by wrapping high-flame-retardant glass cloth belts.
The flame-retardant reinforced layer is formed by wrapping a low-smoke halogen-free high-flame-retardant tape.
The outer sheath layer is processed by ceramic polyolefin sheath materials.
The utility model discloses an actively beneficial effect is:
the utility model discloses a special structural design has both reduced the interference between the cable, has still guaranteed communication signal's transmission, and holistic softness can be fabulous, has reduced the installation and has laid the cost, has compromise enterprise and social.
Compared with the common cable, the utility model discloses, its key technology innovation is at following several points:
firstly, a phase conductor wire core and an anti-interference neutral conductor wire core: the cable is made of 8030 series aluminum alloy materials, has higher creep resistance and compaction than pure aluminum, avoids the problem of relaxation caused by creep deformation, has high tensile strength and is much lower in price than a copper core cable.
A phase conductor insulating layer and an anti-interference neutral conductor insulating layer: the material is processed by cross-linked polyethylene material, has good heat resistance, corrosion resistance and heat insulation, the conventional working temperature can reach 95 ℃, and the material can be tested for 8000 hours under the environment of 110 ℃, particularly the creep strength, the change of the strength along with the service time is not obvious, and the service life can reach 50 years; and the insulating layers processed by the crosslinked polyethylene materials are independently wrapped outside the phase conductor wire core and the anti-interference neutral conductor wire core respectively, so that the mutual electromagnetic interference is reduced.
③ shielding layer: the flexible weather-resistant polyvinyl chloride cable is processed by adopting flexible weather-resistant polyvinyl chloride plastics, and wraps the phase conductor and the anti-interference neutral conductor together, so that the bending performance of the cable is ensured, and the phase conductor and the anti-interference neutral conductor are protected from being scratched and collided.
Fourthly, signal conductor: the aluminum alloy is processed by 8030 series aluminum alloy materials, and good signal transmission is ensured.
Signal conductor insulating layer: the cable is processed by soft weather-resistant polyvinyl chloride plastic, ensures the bending performance of the cable and has insulating property.
Sixthly, filling layer: the glass fiber-reinforced plastic composite material is processed by glass fiber filler, has good heat resistance and electrical insulation, is a high-grade electrical insulation material, and is also used for fireproof shielding; when the cable suffers from burning, a large amount of heat can be absorbed, a carbonization layer is formed, an air isolation layer and an insulation layer are protected from burning, and the loss of fire is prevented from further expanding.
And the inner protective layer: adopt the polyester area to overlap around the package and form, tighten insulating sinle silk and signal cable, make it not loose be convenient for going on of subsequent handling, compare with the non-woven fabrics, have light in weight, advantage that tensile strength is big, high temperature resistant simultaneously has fine insulating properties.
And the outer conductor layer: the cable is composed of a signal reinforced cable and a flame-retardant filling core, wherein the signal reinforced cable is composed of a signal reinforced conductor and a signal and conductor insulation layer, so that the installation and construction are convenient while the signal transmission is ensured, and the laying cost is saved; the flame-retardant filling core is made of flame-retardant high-density polyethylene high polymer materials, is resistant to corrosion of acid, alkali and various salts, has small permeability to water vapor and air and low water absorption, can prevent conductors from being corroded, and meanwhile, the extruded filling core requires uniform and consistent outer diameter, so that the roundness of a cable during filling is ensured.
Ninthly, armor layer: the cable is formed by weaving 8030 series aluminum alloy monofilaments, is light in weight, easy to bend and break, excellent in flexibility, and capable of tightening the outer conductor layer, the insulated cable and the signal cable to reduce the overall outer diameter of the cable.
R, flame-retardant wrapping layer: adopt high fire-retardant glass strap to wind the package and form, when the cable suffered the burning, can absorb a large amount of heats to form the carbide bed, isolated gas layer, protective insulation layer avoid burning, make the loss of conflagration not in further the expansion.
⑪, flame-retardant reinforcing layer: the high flame-retardant belt wrapping low-smoke halogen-free material is formed by wrapping a low-smoke halogen-free high-flame-retardant belt, has the characteristics of light weight, low cost, thin thickness and good flexibility, resists temperature up to 280 degrees, protects a flame-retardant wrapping layer and an armor layer, and reduces potential safety hazards.
⑫, outer sheath layer: the ceramic material is processed by ceramic polyolefin sheath materials, and is prepared by taking polyolefin resin as a base material, adding high-efficiency ceramic-forming filler, flame retardant and other functional additives, and mixing, plasticizing and granulating; under the condition of temperature or flame above 650 ℃, a complete ceramic shell can be rapidly generated, the generated ceramic shell is not cracked and dropped, the ceramic shell has excellent electrical isolation performance and excellent oxygen insulation and heat insulation effects, the damage of high-temperature flame to the inside of a circuit can be effectively isolated, the decomposition of internal materials is delayed, the conductor is prevented from being fused in the flame, and the smoothness of the circuit under the fire disaster condition is ensured.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
the invention will be further explained and explained with reference to the drawings and the embodiments:
example (b): referring to fig. 1, the fireproof flame-retardant anti-interference composite cable sequentially comprises an insulating cable, a signal cable, a filling layer 8, an inner protective layer 9, an outer conductor layer, an armor layer 13, a flame-retardant wrapping layer 14, a flame-retardant reinforcing layer 15 and an outer sheath layer 16 from inside to outside, wherein the insulating cable sequentially comprises a phase conductor with a semicircular section, an anti-interference neutral conductor with a semicircular section and a shielding layer 5 from inside to outside, the phase conductor comprises a phase conductor core 1 with a semicircular section and a phase conductor insulating layer 3, the anti-interference neutral conductor comprises an anti-interference neutral conductor core 2 with a semicircular section and a phase conductor insulating layer 3, and the signal cable comprises a signal conductor 6 and a signal conductor insulating layer 7; the outer conductor layer is composed of a signal reinforcing cable and a flame-retardant filling core 10, and the signal reinforcing cable is composed of a signal reinforcing conductor 11 and a signal and conductor insulation layer 12.
The phase conductor core 1 and the anti-interference neutral conductor core 2 are distributed in a centrosymmetric manner, the phase conductor core 1 is wrapped by a phase conductor insulating layer 3, and the anti-interference neutral conductor core 2 is wrapped by an anti-interference neutral conductor insulating layer 4; the outer wall of one side of the phase conductor insulating layer 3 is tightly attached to the outer wall of one side of the anti-interference neutral conductor insulating layer 4, the phase conductor insulating layer 3 and the anti-interference neutral conductor insulating layer 4 form a circle, and the shielding layer 5 wraps the phase conductor and the anti-interference neutral conductor.
The number of the three insulated cables is three, the outer walls of the three insulated cables are distributed in a tangent mode, signal cables are arranged between the outer portions of the three insulated cables and the inner protection layer 9, the number of the three signal cables is three, a filling layer 8 is arranged in a gap between the outer portion of the signal cable and the inner protection layer 9 and between the outer portion of the signal cable and the insulated cables, and the outer portions of the three insulated cables are provided with the inner protection layer 9; the filling layer 8 is made of glass fiber filling materials, and the inner protection layer 9 is formed by overlapping and wrapping polyester tapes.
The phase conductor wire core 1 and the anti-interference neutral conductor wire core 2 are both processed by 8030 series aluminum alloy materials, the phase conductor insulating layer 3 and the anti-interference neutral conductor insulating layer 4 are both processed by cross-linked polyethylene materials, and the shielding layer 5 is processed by soft weather-resistant polyvinyl chloride plastics.
The number of the signal reinforced cables is four, three flame-retardant filling cores 10 are arranged between adjacent signal reinforced cables, the signal reinforced cables and the flame-retardant filling cores 10 uniformly surround the outer part of the inner sheath 9, and armor layers 13 are arranged on the outer parts of the signal reinforced cables and the flame-retardant filling cores 10; the signal reinforcing conductor 11 is made of 8030 series aluminum alloy materials, the signal conductor insulating layer 12 is made of soft weather-resistant polyvinyl chloride plastics, the flame-retardant filling core 10 is made of flame-retardant high-density polyethylene high polymer materials, and the armor layer 13 is formed by weaving 8030 series aluminum alloy monofilaments.
The signal conductor 6 is processed by adopting 8030 series aluminum alloy materials, and the signal conductor insulating layer 7 is processed by adopting soft weather-resistant polyvinyl chloride plastics.
The flame-retardant wrapping layer 14 is formed by wrapping high-flame-retardant glass cloth tapes.
The flame-retardant reinforced layer 15 is formed by wrapping a low-smoke halogen-free high-flame-retardant tape.
The outer jacket layer 16 is formed by processing a ceramic polyolefin jacket material.
The utility model discloses a special structural design has fabulous thermal-insulated effect of separating oxygen, has both reduced the interference between the cable, has still guaranteed communication signal's transmission, and holistic softness can be fabulous, effectively keeps apart high temperature flame and to the inside infringement of circuit, delays the decomposition of inside material, guarantees the unblocked of circuit under the conflagration condition, has reduced the installation and has laid the cost, has compromise enterprise and social.
Claims (9)
1. The utility model provides a fire prevention fire-retardant type anti-interference composite cable which characterized in that: the fireproof flame-retardant anti-interference composite cable sequentially comprises an insulating cable, a signal cable, a filling layer (8), an inner protective layer (9), an outer conductor layer, an armor layer (13), a flame-retardant wrapping layer (14), a flame-retardant reinforcing layer (15) and an outer sheath layer (16) from inside to outside, the insulating cable sequentially comprises a phase conductor with a semicircular cross section, an anti-interference neutral conductor with a semicircular cross section and a shielding layer (5) from inside to outside, the phase conductor comprises a phase conductor wire core (1) with a semicircular cross section and a phase conductor insulating layer (3), the anti-interference neutral conductor comprises an anti-interference neutral conductor wire core (2) with a semicircular cross section and a phase conductor insulating layer (3), and the signal cable comprises a signal conductor (6) and a signal conductor insulating layer (7); the outer conductor layer is composed of a signal reinforcing cable and a flame-retardant filling core (10), and the signal reinforcing cable is composed of a signal reinforcing conductor (11) and a signal and conductor insulation layer (12).
2. The fire-retardant anti-interference composite cable according to claim 1, wherein: the phase conductor wire core (1) and the anti-interference neutral conductor wire core (2) are distributed in a central symmetry manner, a phase conductor insulating layer (3) wraps the outside of the phase conductor wire core (1), and an anti-interference neutral conductor insulating layer (4) wraps the outside of the anti-interference neutral conductor wire core (2); the outer wall of one side of the phase conductor insulating layer (3) is tightly attached to the outer wall of one side of the anti-interference neutral conductor insulating layer (4), the phase conductor insulating layer (3) and the anti-interference neutral conductor insulating layer (4) form a circle, and the shielding layer (5) wraps the phase conductor and the anti-interference neutral conductor.
3. The fire-retardant anti-interference composite cable according to claim 1, wherein: the number of the three insulated cables is three, the outer walls of the three insulated cables are distributed in a tangent mode, signal cables are arranged between the outer portions of the three insulated cables and the inner protection layer (9), the number of the three signal cables is three, a filling layer (8) is arranged in a gap between the outer portion of the signal cable and the inner protection layer (9) and between the outer portion of the signal cable and the insulated cables, and the inner protection layer (9) is arranged on the outer portions of the three insulated cables; the filling layer (8) is formed by processing glass fiber filling materials, and the inner protection layer (9) is formed by lapping polyester tapes in an overlapping mode.
4. The fire-retardant anti-interference composite cable according to claim 1, wherein: phase conductor sinle silk (1) and anti-interference neutral conductor sinle silk (2) all adopt 8030 series aluminum alloy material processing to form, phase conductor insulating layer (3) and anti-interference neutral conductor insulating layer (4) all adopt crosslinked polyethylene material processing to form, shielding layer (5) adopt soft level weatherability polyvinyl chloride plastics processing to form.
5. The fire-retardant anti-interference composite cable according to claim 1, wherein: the number of the signal reinforcing cables is four, three flame-retardant filling cores (10) are arranged between the adjacent signal reinforcing cables, the signal reinforcing cables and the flame-retardant filling cores (10) are uniformly surrounded outside the inner sheath (9), and armor layers (13) are arranged outside the signal reinforcing cables and the flame-retardant filling cores (10); the signal reinforcing conductor (11) is made of 8030 series aluminum alloy materials, the signal and conductor insulating layer (12) is made of soft weather-resistant polyvinyl chloride plastics, the flame-retardant filling core (10) is made of flame-retardant high-density polyethylene high polymer materials, and the armor layer (13) is formed by weaving 8030 series aluminum alloy monofilaments.
6. The fire-retardant anti-interference composite cable according to claim 1, wherein: the signal conductor (6) is processed by adopting an 8030 series aluminum alloy material, and the signal conductor insulating layer (7) is processed by adopting soft weather-resistant polyvinyl chloride plastic.
7. The fire-retardant anti-interference composite cable according to claim 1, wherein: the flame-retardant wrapping layer (14) is formed by wrapping high-flame-retardant glass cloth tapes.
8. The fire-retardant anti-interference composite cable according to claim 1, wherein: the flame-retardant reinforced layer (15) is formed by wrapping a low-smoke halogen-free high-flame-retardant tape.
9. The fire-retardant anti-interference composite cable according to claim 1, wherein: the outer sheath layer (16) is processed by ceramic polyolefin sheath materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310159.7U CN212874095U (en) | 2020-10-16 | 2020-10-16 | Fireproof flame-retardant anti-interference composite cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022310159.7U CN212874095U (en) | 2020-10-16 | 2020-10-16 | Fireproof flame-retardant anti-interference composite cable |
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| CN212874095U true CN212874095U (en) | 2021-04-02 |
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| CN202022310159.7U Active CN212874095U (en) | 2020-10-16 | 2020-10-16 | Fireproof flame-retardant anti-interference composite cable |
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