CN215896039U - Flame-retardant high-temperature-resistant fireproof cable - Google Patents
Flame-retardant high-temperature-resistant fireproof cable Download PDFInfo
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- CN215896039U CN215896039U CN202121817805.7U CN202121817805U CN215896039U CN 215896039 U CN215896039 U CN 215896039U CN 202121817805 U CN202121817805 U CN 202121817805U CN 215896039 U CN215896039 U CN 215896039U
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Abstract
The utility model discloses a flame-retardant high-temperature-resistant fireproof cable, wherein a ceramic tube is arranged at the center inside an insulating layer, the outer side wall of the ceramic tube is wrapped with a metal wrapping sheet layer, the outer side wall of the metal wrapping sheet layer is bonded with a fireproof glass wool layer, and four ceramic triangular plates are fixedly connected between the outer side wall of the fireproof glass wool layer and the inner side wall of the insulating layer in an equidistant distribution manner. According to the utility model, the phosphorus flame-retardant layer generates a dehydration reaction after being heated, so that the flame-retardant effect is achieved, and the four conductor cores are isolated by the high-temperature-resistant, heat-resistant and heat-insulating effects of the plurality of ceramic triangular plates, so that a single conductor core is isolated when being heated and damaged, and the ignition effect among the four conductor cores is reduced; when filling the nano particle layer through between a plurality of ceramic set squares and making to be heated or expose in flame, form stable protection coking layer easily, restricted easily inflammable unstable cable inner layer and oxygen interact, improved the life of cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a flame-retardant high-temperature-resistant fireproof cable.
Background
A cable is an electrical energy or signal transmission device, typically a rope-like cable made up of several or groups of conductors (at least two in each group) twisted together, each group being insulated from the other and often twisted around a center, the entire outer surface being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation;
the inoxidizing coating that inside parcel one deck flame retardant material of current cable made, at tensile cable's in-process, the inoxidizing coating of cable inside splits easily, causes the electric leakage between a plurality of conductor cores easily, and then causes the condition of igniting easily to take place, and the high temperature resistant fire-resistant effect of cable is not good can be unable better reduction intensity of a fire stretch, has influenced the life of cable, for this reason, provides a fire-retardant high temperature resistant fireproof cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a flame-retardant high-temperature-resistant fireproof cable to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a flame-retardant high-temperature-resistant fireproof cable comprises
The anti-collision device comprises an outer-prevention assembly, an inner-stabilization assembly and an inner-prevention assembly, wherein the outer-prevention assembly comprises an outer-layer sheath, a wrapping tape, a phosphorus flame-retardant layer, a halogen-free flame-retardant layer and an insulating layer;
a wrapping tape is bonded on the inner side wall of the outer layer sheath, and a phosphorus flame-retardant layer is arranged on the inner side wall of the wrapping tape;
the inner stabilizing assembly comprises a metal clad sheet layer, a ceramic tube, a fireproof glass wool layer, a ceramic triangular plate, a nanoparticle layer and a platinum trioxide layer;
a ceramic tube is arranged at the center of the inside of the insulating layer, a metal wrapping sheet layer is wrapped on the outer side wall of the ceramic tube, a fireproof glass wool layer is bonded on the outer side wall of the metal wrapping sheet layer, and four ceramic triangular plates are fixedly connected between the outer side wall of the fireproof glass wool layer and the inner side wall of the insulating layer in an equidistant distribution manner;
the internal protection component comprises a heat-resistant PVC layer, an inner metal sheath, a mineral insulating layer and a conductor core;
four conductor cores are distributed between one adjacent sides of the four ceramic triangular plates.
Preferably: and a halogen-free flame-retardant layer is bonded on the inner side wall of the phosphorus flame-retardant layer.
Preferably: the inner side wall of the halogen-free flame-retardant layer is attached to and contacted with the outer side wall of the insulating layer.
Preferably: and the interior of the ceramic triangular plate is filled with a nano particle layer.
Preferably: the outer side wall of the conductor core is coated with a mineral insulating layer.
Preferably: the outer side wall of the mineral insulating layer is coated with an inner metal sheath.
Preferably: the outer side wall of the inner layer metal sheath is bonded to the inner side wall of the heat-resistant PVC layer.
Preferably: and a platinum trioxide layer is coated and filled between the outer side wall of the ceramic triangle and the inner side wall of the insulating layer and between the outer side wall of the heat-resistant PVC layer.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the phosphorus flame-retardant layer generates dehydration reaction after being heated, a polyphosphate film can be formed on the surface of the combustible polymer to isolate air, so that the flame-retardant effect is achieved, the four conductor cores are isolated by the high-temperature-resistant, heat-resistant and heat-insulating effects of the plurality of ceramic triangular plates, and the single conductor core is isolated when being heated and damaged, so that the ignition effect among the four conductor cores is reduced; and cooperation ceramic pipe and metal clad sheet layer have improved the inside steadiness of this cable, reduce the condition that splits easily at the in-process of tensile cable, through filling the nano particle layer between a plurality of ceramic set triangles and make and be heated or when exposing in flame, form stable protection coking layer easily, restricted easily and easily fire unstable cable inner layer and oxygen interact, obtain good fire-retardant high temperature resistance, improved the life of cable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the outer shield assembly of the present invention;
fig. 3 is a schematic perspective view of the interior protection assembly of the present invention.
In the figure: 10. an outer shield assembly; 11. an outer sheath; 12. wrapping belts; 13. a phosphorus-based flame retardant layer; 14. a halogen-free flame retardant layer; 15. an insulating layer; 20. an inner stabilizing assembly; 21. a metal clad layer; 22. a ceramic tube; 23. a fire-proof glass wool layer; 24. a ceramic set square; 25. a nanoparticle layer; 26. a platinum trioxide layer; 30. an interior protection component; 31. a heat resistant PVC layer; 32. an inner metal sheath; 33. a mineral insulation layer; 34. a conductor core.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: a flame-retardant high-temperature-resistant fireproof cable comprises an outer-protection component 10, wherein the outer-protection component 10 comprises an outer-layer sheath 11, a wrapping tape 12, a phosphorus flame-retardant layer 13, a halogen-free flame-retardant layer 14 and an insulating layer 15;
a wrapping tape 12 is bonded on the inner side wall of the outer layer sheath 11, and a phosphorus flame-retardant layer 13 is arranged on the inner side wall of the wrapping tape 12;
the inner stabilizing component 20, the inner stabilizing component 20 comprises a metal clad sheet layer 21, a ceramic tube 22, a fireproof glass wool layer 23, a ceramic triangle plate 24, a nanoparticle layer 25 and a platinum trioxide layer 26;
a ceramic tube 22 is arranged at the center inside the insulating layer 15, the outer side wall of the ceramic tube 22 is wrapped with a metal wrapping sheet layer 21, a fireproof glass wool layer 23 is bonded on the outer side wall of the metal wrapping sheet layer 21, and four ceramic triangular plates 24 are fixedly connected between the outer side wall of the fireproof glass wool layer 23 and the inner side wall of the insulating layer 15 in an equidistant distribution manner;
an interior shield assembly 30, the interior shield assembly 30 comprising a heat resistant PVC layer 31, an inner metal sheath 32, a mineral insulation layer 33, and a conductor core 34;
four conductor cores 34 are distributed between adjacent sides of the four ceramic triangular plates 24.
In this embodiment, specifically: the inner side wall of the phosphorus flame-retardant layer 13 is bonded with the halogen-free flame-retardant layer 14, the phosphorus flame-retardant layer 13 generates dehydration reaction after being heated, a polyphosphate film can be formed on the surface of the combustible polymer to isolate air, so that the flame-retardant effect is achieved, meanwhile, the phosphorus flame-retardant layer 13 can promote the dehydration and carbonization of the polymer to form a non-combustible protective layer, the flame-retardant purpose is achieved, and the phosphorus flame-retardant layer 14 is non-volatile during combustion and does not generate corrosive gas for use.
In this embodiment, specifically: the laminating of the inside wall on steamed flame retardant layer 14 contacts in the lateral wall of insulating layer 15, makes through insulating layer 15 and carries out the separation between the heating wire, prevents that people from electrocuteeing and hurting.
In this embodiment, specifically: the ceramic triangular plate 24 is internally filled with the nanoparticle layer 25, and the four conductor cores 34 are isolated by high temperature resistance, heat resistance and heat insulation effects of the ceramic triangular plates 24, so that the single conductor core 34 can be effectively isolated when being heated and damaged, and the ignition effect among the four conductor cores 34 is further reduced.
In this embodiment, specifically: the lateral wall cladding of conductor core 34 has mineral insulating layer 33, and mineral insulating layer 33 can not produce the burning, also can not be combustion-supporting, and cooperates ceramic set square 24 to conductor core 34's isolation, has further improved the stability and the fire resistance of cable and has increased the life of cable.
In this embodiment, specifically: the outer side wall of the mineral insulating layer 33 is covered with an inner metal sheath 32, and the outer side of the mineral insulating layer 33 is protected by the inner metal sheath 32.
In this embodiment, specifically: the outer side wall of the inner metal sheath 32 is bonded to the inner side wall of the heat-resistant PVC layer 31.
In this embodiment, specifically: and a platinum trioxide layer 26 is coated and filled between the outer side wall of the ceramic triangle plate 24 and the inner side wall of the insulating layer 15 and between the outer side wall of the heat-resistant PVC layer 31, and the phosphorus flame-retardant layer 13 and the platinum trioxide layer 26 are cooperated, so that excellent flame-retardant property can be obtained.
The working mode of the utility model is as follows: according to the utility model, the phosphorus flame-retardant layer 13 generates dehydration reaction after being heated, a polyphosphate film can be formed on the surface of a combustible polymer to isolate air, so that the flame-retardant effect is achieved, meanwhile, the phosphorus flame-retardant layer 13 can promote the dehydration and carbonization of the polymer to form an incombustible protective layer, so that the flame-retardant purpose is achieved, the phosphorus flame-retardant cable is matched with the halogen-free flame-retardant layer 14 to be nonvolatile during combustion and does not generate corrosive gas for use, the heat-emitting wires are isolated through the insulating layer 15 to prevent people from being injured by electric shock, the four conductor cores 34 are isolated through the high-temperature resistance, heat resistance and heat insulation effects of the ceramic triangular plates 24, so that the isolation of the single conductor core 34 when being damaged by heating can be effectively reduced, the ignition effect among the four conductor cores 34 is further reduced, the stability in the cable is improved through the ceramic triangular plates 24, the ceramic tubes 22 and the metal wrapping sheet layer 21, and when a nano particle layer 25 is filled among the ceramic triangular plates 24 to enable the heating or being exposed to flame, a stable protective coking layer is easily formed, interaction between a flammable and unstable cable layer and oxygen is limited, so that the flame retardance of the cable is enhanced, and excellent flame-retardant and high-temperature-resistant performance can be obtained through the synergistic effect of the phosphorus flame-retardant layer 13 and the platinum trioxide layer 26.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The flame-retardant high-temperature-resistant fireproof cable is characterized by comprising an outer-protection component (10), an inner-stable component (20) and an inner-protection component (30), wherein the outer-protection component (10) comprises an outer-layer sheath (11), a wrapping tape (12), a phosphorus flame-retardant layer (13), a halogen-free flame-retardant layer (14) and an insulating layer (15);
a wrapping tape (12) is bonded on the inner side wall of the outer layer sheath (11), and a phosphorus flame-retardant layer (13) is arranged on the inner side wall of the wrapping tape (12);
the inner stabilizing component (20) comprises a metal clad layer (21), a ceramic tube (22), a fireproof glass wool layer (23), a ceramic triangular plate (24), a nano particle layer (25) and a platinum trioxide layer (26);
a ceramic tube (22) is arranged at the center inside the insulating layer (15), the outer side wall of the ceramic tube (22) is wrapped with a metal wrapping layer (21), a fireproof glass wool layer (23) is bonded on the outer side wall of the metal wrapping layer (21), and four ceramic triangular plates (24) are fixedly connected between the outer side wall of the fireproof glass wool layer (23) and the inner side wall of the insulating layer (15) in an equidistant distribution manner;
the inner shield assembly (30) comprises a heat-resistant PVC layer (31), an inner metal sheath (32), a mineral insulation layer (33) and a conductor core (34);
four conductor cores (34) are distributed between the adjacent sides of the four ceramic triangular plates (24).
2. The flame-retardant high-temperature-resistant fireproof cable according to claim 1, wherein: and a halogen-free flame-retardant layer (14) is bonded on the inner side wall of the phosphorus flame-retardant layer (13).
3. The flame-retardant high-temperature-resistant fireproof cable according to claim 2, wherein: the inner side wall of the halogen-free flame-retardant layer (14) is attached to and contacted with the outer side wall of the insulating layer (15).
4. The flame-retardant high-temperature-resistant fireproof cable according to claim 1, wherein: the interior of the ceramic triangular plate (24) is filled with a nano particle layer (25).
5. The flame-retardant high-temperature-resistant fireproof cable according to claim 1, wherein: the outer side wall of the conductor core (34) is coated with a mineral insulating layer (33).
6. The flame-retardant high-temperature-resistant fireproof cable according to claim 5, wherein: the outer side wall of the mineral insulating layer (33) is coated with an inner metal sheath (32).
7. The flame-retardant high-temperature-resistant fireproof cable according to claim 6, wherein: the outer side wall of the inner layer metal sheath (32) is bonded to the inner side wall of the heat-resistant PVC layer (31).
8. The flame-retardant high-temperature-resistant fireproof cable according to claim 1, wherein: and a platinum oxide layer (26) is coated and filled between the outer side wall of the ceramic triangle (24) and the inner side wall of the insulating layer (15) and the outer side wall of the heat-resistant PVC layer (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817805.7U CN215896039U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant high-temperature-resistant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121817805.7U CN215896039U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant high-temperature-resistant fireproof cable |
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| Publication Number | Publication Date |
|---|---|
| CN215896039U true CN215896039U (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121817805.7U Active CN215896039U (en) | 2021-08-05 | 2021-08-05 | Flame-retardant high-temperature-resistant fireproof cable |
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| CN (1) | CN215896039U (en) |
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2021
- 2021-08-05 CN CN202121817805.7U patent/CN215896039U/en active Active
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