CN218730045U - High temperature resistant fireproof control cable - Google Patents
High temperature resistant fireproof control cable Download PDFInfo
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- CN218730045U CN218730045U CN202222751223.4U CN202222751223U CN218730045U CN 218730045 U CN218730045 U CN 218730045U CN 202222751223 U CN202222751223 U CN 202222751223U CN 218730045 U CN218730045 U CN 218730045U
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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
Abstract
The utility model discloses a high temperature resistant fireproof control cable, which comprises a cable core, wherein the cable core is formed by stranding a plurality of insulation control wire cores; filling flame-retardant polyurethane foam adhesive in the gap of the cable core; a nylon hose is extruded outside the cable core; wrapping a PET polyester film belt outside the nylon hose; wrapping a composite fireproof layer outside the PET polyester film belt; the composite fireproof layer is externally provided with a steel strip armoring layer, the outer surface of the steel strip armoring layer is coated with a fireproof coating layer with the thickness of 0.5-1mm, and the fireproof coating layer is wrapped with corrosion-resistant non-woven fabrics in an overlapping mode, wherein the overlapping rate is not lower than 85%. The utility model discloses a setting has thermal-insulated, the fire prevention and separates the compound flame retardant coating of performance such as fire, compares with the control cable that the tradition only was equipped with individual layer flame retardant coating, has promoted control cable's high temperature resistance and fire behavior greatly, makes control cable can keep work longer under the extreme condition of burning by fire, high temperature, strives for the valuable time for fleing for and rescue work, protection life and property safety.
Description
Technical Field
The utility model relates to a control cable specifically is high temperature resistant fire prevention control cable, belongs to cable technical field.
Background
The wire and cable industry is the second industry of China, which is second to the automobile industry, and the product variety satisfaction rate and the domestic market share both exceed 90 percent; the total output value of Chinese electric wires and cables exceeds the United states worldwide, and the electric wires and cables become the first major electric wire and cable producing country in the world; along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved; the control cable is suitable for industrial and mining enterprises, energy transportation departments, occasions such as control and protection lines with the AC rated voltage of below 450/750 volts, and the like; the control cable directly transmits electric energy to various electric equipment from a power distribution point of the power system; when the control cable is applied to important engineering facilities such as large buildings, subways, tunnels and the like and occasions such as large supermarkets, exhibitions centers and the like; the control cable has extremely high requirements on the safety performance under the condition of fire, and the cable can still maintain normal power supply for a period of time under the condition of flame, so that escape and rescue are facilitated;
the invention is disclosed in China: CN214336432U discloses a control cable, the elastic insulation layer of the control cable is soft and easy to bend, and has good bending performance, the filling layer can ensure the roundness of the cable core, the wrapping tape plays a role of buffering and lining, the structure between the wrapping tape and the shielding layer is compact, and enough space is provided for deformation, so that the stress concentration after forming is reduced, the shielding layer can play a role of shielding external electromagnetic waves, and protects the internal signal line from more stable signal transmission and interference resistance, the outer sheath has strong high and low temperature resistance, the control cable has good stability, has good mechanical properties such as thermal aging resistance, tensile strength and elongation at break, and can stably operate in a sharp temperature change range of-50 ℃ to 125 ℃;
the control cable is not enough in heat resistance, is easy to damage under the conditions of fire and high temperature, cannot insist on normal operation for a period of time, and is not beneficial to striving for time for escape and rescue under the condition of fire; therefore, a high-temperature-resistant fireproof control cable is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high temperature resistant fire prevention control cable to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant fireproof control cable comprises a cable core, wherein the cable core is formed by stranding a plurality of insulated control wire cores; filling flame-retardant polyurethane foam adhesive in the gap of the cable core; a nylon hose is extruded outside the cable core; wrapping a PET polyester film belt outside the nylon hose; wrapping a composite fireproof layer outside the PET polyester film belt; a steel strip armoring layer is arranged outside the composite fireproof layer, a fireproof coating layer with the thickness of 0.5-1mm is coated on the outer surface of the steel strip armoring layer, a corrosion-resistant non-woven fabric is wrapped outside the fireproof coating layer in an overlapping mode, and the overlapping rate is not lower than 85%; and a polycarbonate plastic outer sheath is extruded outside the corrosion-resistant non-woven fabric.
As further preferable in the present technical solution: the insulated control wire core comprises a soft copper conductor, a silane crosslinked polyethylene insulating layer is extruded outside the soft copper conductor, and a copper-plastic composite belt is wrapped outside the silane crosslinked polyethylene insulating layer.
As further preferable in the present technical solution: the soft copper conductor is formed by twisting five types of tinned soft copper wires in bundles, and the diameter of each copper wire is 0.14-0.20 mm.
As further preferable in the present technical solution: the thickness of the PET polyester film belt is 3mm-3.5mm.
As a further preferred aspect of the present invention: the thickness of the composite fireproof layer is 4mm-4.2mm.
As further preferable in the present technical solution: the composite fireproof layer comprises a first fireproof layer, a composite flame-retardant layer and a second fireproof layer, wherein the outer of the first fireproof layer is coated with the composite flame-retardant layer, and the outer of the composite flame-retardant layer is coated with the second fireproof layer.
As a further preferred aspect of the present invention: the first fireproof layer is made of alkali-free glass fiber cloth.
As further preferable in the present technical solution: the composite flame-retardant layer comprises a high-temperature-resistant aluminum silicate fiber belt, basalt fiber fireproof cloth, a phenolic resin layer and acrylic fiber cotton fiber fireproof cloth, the high-temperature-resistant aluminum silicate fiber belt is arranged outside the basalt fiber fireproof cloth, the basalt fiber fireproof cloth is annularly arranged outside the phenolic resin layer, and the phenolic resin layer is annularly arranged outside the acrylic fiber cotton fiber fireproof cloth.
As further preferable in the present technical solution: the second fireproof layer is made of aluminum foil fireproof cloth.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a setting has thermal-insulated, the fire prevention and separates the compound flame retardant coating of performance such as fire, compares with the control cable that the tradition only was equipped with individual layer flame retardant coating, has promoted control cable's high temperature resistance and fire behavior greatly, makes control cable can keep work longer under the extreme condition of burning by fire, high temperature, strives for the valuable time for fleing for and rescue work, protection life and property safety.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is an enlarged view of the structure of region A of FIG. 1;
FIG. 4 is a cross-sectional view of the composite flame retardant layer of the present invention;
fig. 5 is a schematic structural view of the intermediate silane crosslinked polyethylene insulating layer and the copper-plastic composite tape of the present invention.
In the figure: 1. a soft copper conductor; 2. a silane crosslinked polyethylene insulating layer; 3. a copper-plastic composite tape; 4. a nylon hose; 5. a PET polyester film tape; 6. a composite fire barrier layer; 61. a first fire resistant layer; 62. compounding a flame retardant layer; 621. high temperature resistant aluminum silicate fiber tape; 622. basalt fiber fireproof cloth; 623. a phenolic resin layer; 624. acrylic cotton fiber fireproof cloth; 63. a second fire-resistant layer; 7. a steel tape armor layer; 8. a fire retardant coating layer; 9. corrosion-resistant non-woven fabric; 10. a polycarbonate plastic outer sheath; 11. flame retardant polyurethane foam rubber.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a high-temperature-resistant fireproof control cable comprises a cable core, wherein the cable core is formed by stranding a plurality of insulating control cable cores; filling flame-retardant polyurethane foam adhesive 11 in the gaps of the cable core; a nylon hose 4 is extruded outside the cable core; a PET polyester film belt 5 is wrapped outside the nylon hose 4; a composite fireproof layer 6 is wrapped outside the PET polyester film belt 5; a steel strip armor layer 7 is arranged outside the composite fire-proof layer 6, a fire-proof coating layer 8 with the thickness of 0.5-1mm is coated on the outer surface of the steel strip armor layer 7, a corrosion-resistant non-woven fabric 9 is lapped outside the fire-proof coating layer 8 in an overlapping mode, and the overlapping rate is not lower than 85%; a polycarbonate plastic outer sheath 10 is extruded outside the corrosion-resistant non-woven fabric 9; the cured flame-retardant polyurethane foam adhesive 11 has various effects of joint filling, bonding, sealing, heat insulation, sound absorption and the like; through setting up the compound flame retardant coating 6 that possess performances such as thermal-insulated, fire prevention and separate fire, compare with the control cable that the tradition only was equipped with the individual layer flame retardant coating, promoted control cable's high temperature resistance and fire behavior greatly, make control cable can keep working for a longer time under the extreme condition of fever, high temperature, strive for the valuable time for fleing for and rescue work, protection life and property safety.
In one embodiment: the insulated control wire core comprises a soft copper conductor 1, a silane crosslinked polyethylene insulating layer 2 is extruded outside the soft copper conductor 1, and a copper-plastic composite belt 3 is wound outside the silane crosslinked polyethylene insulating layer 2.
In one embodiment: the soft copper conductor 1 is formed by twisting five types of tinned soft copper wires in bundles, the diameter of each copper wire is 0.14-0.20mm, the thickness of the PET polyester film belt 5 is 3-3.5 mm, the thickness of the composite flame-retardant layer 6 is 4-4.2 mm, the composite flame-retardant layer 6 comprises a first flame-retardant layer 61, a composite flame-retardant layer 62 and a second flame-retardant layer 63, the first flame-retardant layer 61 is coated with the composite flame-retardant layer 62 in an outer wrapping mode, and the second flame-retardant layer 63 is coated with the composite flame-retardant layer 62 in an outer wrapping mode.
In one embodiment: the first fireproof layer 61 is alkali-free glass fiber cloth; the alkali-free glass fiber is an inorganic fiber, has incombustibility and excellent heat resistance, and can effectively increase the heat insulation property of the control cable.
In one embodiment: the composite flame-retardant layer 62 comprises a high-temperature-resistant aluminum silicate fiber belt 621, basalt fiber fireproof cloth 622, a phenolic resin layer 623 and acrylic cotton fiber fireproof cloth 624, wherein the high-temperature-resistant aluminum silicate fiber belt 621 is annularly arranged outside the basalt fiber fireproof cloth 622, the basalt fiber fireproof cloth 622 is annularly arranged outside the phenolic resin layer 623, and the phenolic resin layer 623 is annularly arranged outside the acrylic cotton fiber fireproof cloth 624; the basalt fiber fireproof cloth separates a safe working layer for a cable core of the control cable; the phenolic resin layer has the characteristics of fire prevention and heat insulation; the acrylic fiber fireproof cloth has the highest fire resistance temperature of 1000 ℃, has good high temperature resistance and insulating property, and also has the superior properties of low heat conductivity coefficient, good earthquake resistance, high tensile strength, no toxicity, no harm, convenient construction and the like.
In one embodiment: the second fireproof layer 63 is an aluminum foil fireproof cloth; the fire-proof, radiation-proof and high-temperature-resistant properties of the control cable can be increased by means of the second fire-proof layer 63.
The utility model discloses a theory of operation is: by arranging the composite fireproof layer 6, the first fireproof layer 61 in the composite fireproof layer 6 is alkali-free glass fiber cloth; the alkali-free glass fiber is inorganic fiber, has incombustibility and excellent heat resistance, and can effectively increase the heat insulation property of the control cable; the basalt fiber fireproof cloth on the surface of the composite flame-retardant layer 62 in the composite fireproof layer 6 can be used for isolating a safe working layer for a cable core of a control cable; the phenolic resin layer on the surface of the composite flame-retardant layer 62 in the composite fireproof layer 6 has the characteristics of fire prevention and heat insulation; the acrylic fiber fireproof cloth on the surface of the composite flame-retardant layer 62 in the composite fireproof layer 6 has the highest fire-resistant temperature of 1000 ℃, and has good high-temperature resistance and insulating property; the second fireproof layer 63 in the composite fireproof layer 6 is an aluminum foil fireproof cloth; the fireproof, radiation-proof and high-temperature-resistant performances of the control cable can be improved by the aid of the second fireproof layer 63; therefore, the heat insulation, fire prevention, fire insulation and other performances of the control cable can be greatly improved by the composite fireproof layer 6; compared with the traditional control cable only provided with a single-layer fireproof layer, the high-temperature resistance and the fireproof capacity of the control cable are greatly improved, so that the control cable can work for a longer time under the extreme conditions of burning and high temperature, precious time is won for escape and rescue work, and the life and property safety is protected.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A high-temperature-resistant fireproof control cable comprises a cable core, wherein the cable core is formed by stranding a plurality of insulating control wire cores; filling flame-retardant polyurethane foam adhesive (11) in the gap of the cable core; a nylon hose (4) is extruded outside the cable core; a PET polyester film belt (5) is wrapped outside the nylon hose (4); a composite fireproof layer (6) is wrapped outside the PET polyester film belt (5); a steel strip armoring layer (7) is arranged outside the composite fireproof layer (6), a fireproof coating layer (8) with the thickness of 0.5-1mm is coated on the outer surface of the steel strip armoring layer (7), a wrapping corrosion-resistant non-woven fabric (9) is overlapped outside the fireproof coating layer (8), and the overlapping rate is not lower than 85%; and a polycarbonate plastic outer sheath (10) is extruded outside the corrosion-resistant non-woven fabric (9).
2. The high temperature resistant fire control cable of claim 1, wherein: the insulated control wire core comprises a soft copper conductor (1), a silane crosslinked polyethylene insulating layer (2) is extruded outside the soft copper conductor (1), and a copper-plastic composite belt (3) is wound outside the silane crosslinked polyethylene insulating layer (2).
3. The high temperature resistant fire control cable of claim 2, wherein: the soft copper conductor (1) is formed by twisting five types of tinned soft copper wires in bundles, and the diameter of each copper wire is 0.14-0.20 mm.
4. The high temperature resistant fire control cable of claim 1, wherein: the thickness of the PET polyester film belt (5) is 3mm-3.5mm.
5. The high temperature resistant fire control cable of claim 1, wherein: the thickness of the composite fireproof layer (6) is 4mm-4.2mm.
6. The high temperature resistant fire control cable of claim 1, wherein: the composite fireproof layer (6) comprises a first fireproof layer (61), a composite flame-retardant layer (62) and a second fireproof layer (63), the composite flame-retardant layer (62) is coated outside the first fireproof layer (61), and the second fireproof layer (63) is wrapped outside the composite flame-retardant layer (62).
7. The high temperature resistant fire control cable of claim 6, wherein: the first fireproof layer (61) is alkali-free glass fiber cloth.
8. The high temperature resistant fire control cable of claim 6, wherein: the composite flame-retardant layer (62) comprises a high-temperature-resistant aluminum silicate fiber belt (621), basalt fiber fireproof cloth (622), a phenolic resin layer (623) and acrylic cotton fiber fireproof cloth (624), wherein the high-temperature-resistant aluminum silicate fiber belt (621) is annularly arranged outside the basalt fiber fireproof cloth (622), the basalt fiber fireproof cloth (622) is annularly arranged outside the phenolic resin layer (623), and the phenolic resin layer (623) is annularly arranged outside the acrylic cotton fiber fireproof cloth (624).
9. The high temperature resistant fire control cable of claim 6, wherein: the second fireproof layer (63) is made of aluminum foil fireproof cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751223.4U CN218730045U (en) | 2022-10-19 | 2022-10-19 | High temperature resistant fireproof control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222751223.4U CN218730045U (en) | 2022-10-19 | 2022-10-19 | High temperature resistant fireproof control cable |
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| Publication Number | Publication Date |
|---|---|
| CN218730045U true CN218730045U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222751223.4U Active CN218730045U (en) | 2022-10-19 | 2022-10-19 | High temperature resistant fireproof control cable |
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| Country | Link |
|---|---|
| CN (1) | CN218730045U (en) |
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2022
- 2022-10-19 CN CN202222751223.4U patent/CN218730045U/en active Active
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