CN220651697U - High-capacity photoelectric composite mineral fireproof cable - Google Patents
High-capacity photoelectric composite mineral fireproof cable Download PDFInfo
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- CN220651697U CN220651697U CN202321625714.2U CN202321625714U CN220651697U CN 220651697 U CN220651697 U CN 220651697U CN 202321625714 U CN202321625714 U CN 202321625714U CN 220651697 U CN220651697 U CN 220651697U
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- retardant
- fire
- cable
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- 239000002131 composite material Substances 0.000 title claims abstract description 30
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 24
- 239000011707 mineral Substances 0.000 title claims abstract description 24
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 230000003287 optical effect Effects 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 229920000098 polyolefin Polymers 0.000 claims abstract description 5
- 239000010445 mica Substances 0.000 claims description 15
- 229910052618 mica group Inorganic materials 0.000 claims description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 10
- 239000004698 Polyethylene Substances 0.000 claims description 10
- 239000008397 galvanized steel Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 10
- -1 polyethylene Polymers 0.000 claims description 10
- 229920000573 polyethylene Polymers 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 8
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 5
- 229910052721 tungsten Inorganic materials 0.000 description 5
- 239000010937 tungsten Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 230000009970 fire resistant effect Effects 0.000 description 4
- 239000004115 Sodium Silicate Substances 0.000 description 3
- 230000034994 death Effects 0.000 description 3
- 231100000517 death Toxicity 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 229910052911 sodium silicate Inorganic materials 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000009295 sperm incapacitation Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-capacity photoelectric composite mineral fireproof cable which comprises a composite cable core, wherein the composite cable core comprises an insulating wire core structure and an optical unit structure, the center of the composite cable core is filled with a high flame-retardant material, the edge of the composite cable core is filled with a mineral fire-retardant layer, the mineral fire-retardant layer is wrapped with a high flame-retardant wrapping tape, and the high flame-retardant wrapping tape is wrapped with a low-smoke halogen-free flame-retardant polyolefin sheath finished product. According to the utility model, the metal aluminum sheath and the mineral fireproof layer form the fireproof layer for isolating flames, and besides the function of isolating flames, the aluminum sheath also serves as a ground wire, so that the safety protection function is realized, the production efficiency is improved, and the production cost of the material is reduced on the premise of meeting the function of the fireproof cable.
Description
Technical Field
The utility model relates to the field of cables, in particular to a high-capacity photoelectric composite mineral fireproof cable.
Background
In modern society, the event report of death due to fire is countless, and life is more and more injured by fire. According to the statistics of fire departments, about 85% of deaths in a fire are due to toxic death of harmful gases generated in the fire, choking of diffused smoke or incapacitation of escape due to invisible paths. The number of the comprehensive wiring cables in the building is large, the space is small, various plastic cables, optical cables and signal cables are fully distributed in the whole cable well, the plastic cables belong to inflammable products, and when a fire disaster occurs, the cable products are burnt, and a large amount of harmful gases are released to cause choking of life. Therefore, a fire-proof cable capable of preventing flame from burning must be designed, developed and researched in a narrow space, so that not only can electric energy be transmitted, but also signals such as images and characters can be transmitted, namely, when a fire disaster occurs, the cable is not easy to burn, and belongs to a fire-proof cable, when the fire disaster occurs, the cable product can continuously be electrified and run for a certain time, a green channel is opened for firefighters, and enough time is available for rescue, so that the fire-proof type electric wire and cable product for buildings is a content of attention.
Disclosure of Invention
Aiming at the problems in the prior art, the application provides a high-capacity photoelectric composite mineral fireproof cable.
The technical scheme for realizing the aim of the utility model is as follows: the utility model provides a high-capacity photoelectric composite mineral fireproof cable, includes the composite cable core, the composite cable core includes insulating sinle silk structure and optical unit structure, the center packing of composite cable core is high fire-retardant material, and composite core cable edge fills mineral fire-proof layer, and the mineral is fire-proof to be wrapped the high fire-retardant band outward, and the high fire-retardant is wrapped the low smoke and zero halogen fire-retardant polyolefin sheath finished product of out-of-band crowded package.
Preferably, the insulated wire core structure comprises a conductor, wherein the conductor is externally wrapped with a fireproof mica tape layer, the fireproof mica tape layer is externally extruded with a crosslinked polyethylene insulating material to form an insulating layer, the insulating layer is externally wrapped with a layer of high-temperature resistant glass fiber tape, the wire core containing the glass fiber tape is externally longitudinally wrapped with a metal aluminum sheath, and the wire core containing the metal aluminum sheath is externally extruded with a polyethylene moisture-proof layer.
Preferably, 3-5 insulating wire core structures are arranged.
Preferably, the optical unit structure comprises a plurality of optical fiber units, wherein a first galvanized steel wire reinforcing layer is armored outside the optical fiber units, a first polyethylene dampproof layer is extruded outside the first steel wire reinforcing layer, a second galvanized steel wire reinforcing layer is armored outside the first polyethylene dampproof layer, a calcined mica fire-proof layer is wrapped outside the second galvanized steel wire reinforcing layer in a wrapping mode, and a second polyethylene dampproof layer is extruded outside the calcined mica fire-proof layer to form the optical unit structure.
Preferably, the optical fiber unit is a G652D optical fiber including a stainless steel tube.
By adopting the technical scheme, the utility model has the following beneficial effects: (1) The mineral fire-insulating layer structure enables the product to continuously burn for three hours under the flame condition of 850-900 ℃ and is continuously broken.
(2) According to the utility model, the metal aluminum sheath and the mineral fire-proof layer form a fire-proof layer for isolating flames, and besides the fire-proof effect, the aluminum sheath also serves as a ground wire, so that the 3 main wire cores and 1 ground wire core structure type structure of the conventional plastic insulated cable are designed to be 3-core structures, the ground wire core is the aluminum sheath, one ground wire is reduced, the aluminum sheath is only grounded and is not used as a current carrier, when a short circuit occurs, the aluminum sheath is used as the ground wire to be connected with a short circuit current, the safety protection effect is achieved, the production efficiency is improved, and the production cost of materials is reduced on the premise of meeting the function of the fireproof cable.
(3) Compared with the traditional copper metal sheath fireproof cable, the product of the utility model has the advantages of small specific gravity of the aluminum sheath, light weight, low price, about 5-8% lower cost than the copper sheath, and higher cost performance under the use condition of the copper sheath cable.
(4) The optical unit structure is added in the product structure, so that the power transmission system is compounded with the signal and image transmission system, the laying space of the product is reduced, the cost performance and the production cost of the product are reduced, and the transportation and the laying construction are higher.
(5) The light unit is reinforced by double steel wires, so that the probability of breaking the light unit in the production, manufacture or construction process of the traditional light unit is reduced, and the performance guarantee is higher.
(6) The structure is mainly suitable for photoelectric composite transmission with large electric energy transmission capacity, high power and large mechanical strength.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of a light unit structure in the present utility model.
Detailed Description
Example 1
Referring to fig. 1 to 2, the high-capacity photoelectric composite mineral fireproof cable of the embodiment comprises a composite cable core, wherein the composite cable core comprises an insulating wire core structure and an optical unit structure, the center of the composite cable core is filled with a high flame-retardant material 7, the edge of the composite cable core is filled with a mineral fire-proof layer 8, a high flame-retardant wrapping tape 9 is wrapped outside the mineral fire-proof layer, and a low-smoke halogen-free flame-retardant polyolefin sheath 10 finished product is extruded outside the high flame-retardant wrapping tape 9.
The insulation wire core structure comprises a conductor 1, wherein the conductor 1 is externally wrapped with a fire-resistant mica tape layer 2, the fire-resistant mica tape layer 2 is externally extruded with a crosslinked polyethylene insulation material to form an insulation layer 3, the insulation layer 3 is externally wrapped with a layer of high-temperature-resistant glass fiber tape 4, the wire core containing the glass fiber tape 4 is externally longitudinally wrapped with a metal aluminum sheath 5, and the wire core containing the metal aluminum sheath 5 is externally extruded with a polyethylene moisture-proof layer 6.
The utility model comprises a twisted conductor formed by annealed copper wires, a fire resistant layer formed by wrapping 2-3 layers of mineral mica tapes outside the conductor, wherein the overlapping rate of the mica tapes is not less than 30%, an insulating layer is formed by extruding and wrapping crosslinked polyethylene insulating materials outside the fire resistant mica tapes, a layer of high-temperature resistant glass fiber tape is wrapped outside the insulating layer, a metal aluminum sheath longitudinally wraps outside the glass fiber tape, a polyethylene dampproof layer is extruded and wrapped outside the metal aluminum sheath, 3-5 composite cable cores are formed by twisting an insulating wire core containing the aluminum sheath and a light unit structure, the center of each cable core is filled with a high-flame-retardant material (glass fiber rope), the cable cores are required to be filled closely, a layer of magnesium hydroxide and sodium silicate mixture is extruded and filled in a gap between the edges of the cable cores to form a mineral fire-proof layer (the mixture ratio of magnesium hydroxide and sodium silicate is about 1:0.72), the overlapping rate is not less than 30%, and the low-smoke halogen-free flame-retardant polyolefin sheath is extruded outside the cable cores.
The optical unit structure 11 comprises a plurality of optical fiber units 12, wherein the optical fiber units are G652D optical fibers containing stainless steel tubes, first galvanized steel wire reinforcing layers 13 are sheathed outside the optical fiber units, armored steel wires are arranged tightly, gaps do not allow the diameters of the steel wires to exceed, high-density polyethylene first moisture-proof layers 14 are extruded outside the first steel wire reinforcing layers, second galvanized steel wire reinforcing layers 15 are sheathed outside the first moisture-proof layers, a calcined mica fire-proof layer 16 is lapped outside the second galvanized steel wire reinforcing layers, and a high-density polyethylene second moisture-proof layer 17 is extruded outside the calcined mica fire-proof layer to form an optical unit finished product.
In the implementation process, inert gas is used as tungsten electrode protection gas in the welding process, the flow of the inert gas is generally regulated to (6-8) MPa, a welding current is used for heating a tungsten electrode and forming a loop with a ground wire so as to form a welding arc, an aluminum belt is melted, so that the welding effect is achieved, the tungsten electrode is maintained and polished regularly in the welding process, the welding quality is affected by long-time work of the tungsten electrode, and the phenomenon of welding leakage or virtual welding of the aluminum belt occurs.
2. The protection of the crosslinked insulating layer by the aluminum sheath during the welding process. In the welding process, the welding temperature of the tungsten electrode is about 160-170 ℃, the melting temperature of the crosslinked polyethylene is equivalent to the temperature, and the melting of the insulating layer is ensured to be caused when repair welding or stay time is long, so that a high-temperature-resistant glass fiber belt is required to be arranged outside the insulation.
3. The product is designed to mix magnesium hydroxide and sodium silicate according to a certain proportion, and the mixture contains water, so that the insulating layer does not have any defect breakdown point, and the aluminum sheath and the moisture-proof layer are not allowed to have defects, so that the insulation breakdown is easy to cause once the aluminum sheath and the moisture-proof layer have defects.
While the foregoing is directed to embodiments of the present utility model, other and further details of the utility model may be had by the present utility model, it should be understood that the foregoing description is merely illustrative of the present utility model and that no limitations are intended to the scope of the utility model, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the utility model.
Claims (4)
1. A high-capacity photoelectric composite mineral fireproof cable is characterized in that: the composite cable comprises a composite cable core, wherein the composite cable core comprises an insulating cable core structure and an optical unit structure, the center of the composite cable core is filled with a high flame-retardant material (7), the edge of the composite cable core is filled with a mineral fire-proof layer (8), the mineral fire-proof layer is externally wrapped with a high flame-retardant wrapping tape (9), and the high flame-retardant wrapping tape (9) is externally extruded to form a finished product of the low-smoke halogen-free flame-retardant polyolefin sheath (10).
2. The high capacity photoelectric composite mineral fire protection cable of claim 1, wherein: the insulation wire core structure comprises a conductor (1), wherein the conductor (1) is externally wrapped with a fireproof mica tape layer (2), the fireproof mica tape layer (2) is externally extruded with a crosslinked polyethylene insulation material to form an insulation layer (3), the insulation layer (3) is externally wrapped with a layer of high-temperature-resistant glass fiber tape (4), the wire core containing the glass fiber tape (4) is externally longitudinally wrapped with a metal aluminum sheath (5), and the wire core containing the metal aluminum sheath (5) is externally extruded with a polyethylene moisture-proof layer (6).
3. The high capacity photoelectric composite mineral fire protection cable of claim 2, wherein: the insulating wire core structure is provided with 3-5 insulating wire cores.
4. The high capacity photoelectric composite mineral fire protection cable of claim 1, wherein: the optical unit structure (11) comprises a plurality of optical fiber units (12), wherein the optical fiber units (12) are externally armored with a first galvanized steel wire reinforcing layer (13), the first galvanized steel wire reinforcing layer (13) is externally extruded with a polyethylene first dampproof layer (14), the polyethylene first dampproof layer (14) is externally armored with a second galvanized steel wire reinforcing layer (15), the second galvanized steel wire reinforcing layer (15) is externally wrapped with a calcined mica fire-proof layer (16), and the calcined mica fire-proof layer (16) is externally extruded with a polyethylene second dampproof layer (17) to form the optical unit structure (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625714.2U CN220651697U (en) | 2023-06-26 | 2023-06-26 | High-capacity photoelectric composite mineral fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321625714.2U CN220651697U (en) | 2023-06-26 | 2023-06-26 | High-capacity photoelectric composite mineral fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220651697U true CN220651697U (en) | 2024-03-22 |
Family
ID=90296876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321625714.2U Active CN220651697U (en) | 2023-06-26 | 2023-06-26 | High-capacity photoelectric composite mineral fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220651697U (en) |
-
2023
- 2023-06-26 CN CN202321625714.2U patent/CN220651697U/en active Active
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