CN217134061U - Fire-resistant flame retarded cable of crosslinked polyethylene - Google Patents
Fire-resistant flame retarded cable of crosslinked polyethylene Download PDFInfo
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- CN217134061U CN217134061U CN202220527545.8U CN202220527545U CN217134061U CN 217134061 U CN217134061 U CN 217134061U CN 202220527545 U CN202220527545 U CN 202220527545U CN 217134061 U CN217134061 U CN 217134061U
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Abstract
The utility model discloses a fire-resistant flame retarded cable of crosslinked polyethylene relates to the cable field, by interior and outer include in proper order the conductor sinle silk, interior around the package flame retardant coating, crowded package insulating layer, metal level, around package flame retardant coating, crowded package oversheath layer, it is equipped with fire-retardant layer to press from both sides between crowded package insulating layer and the metal level, fire-retardant layer is including filling the flame retardant coating and around the package protective layer, there is around the package protective layer around the package shaping between crowded package insulating layer and the metal level, crowded package insulating layer and around being equipped with the packing flame retardant coating between the package protective layer. The fireproof cable is provided with the filling fireproof layer and the wrapping protective layer, the flame-retardant fireproof capacity is improved through the filling fireproof layer and the wrapping protective layer, the flame-retardant capacity of the cable is improved, the circuit integrity of the cable under the flame condition can be kept, and the protection of the cable main body is enhanced.
Description
Technical Field
The utility model relates to a cable field especially relates to a fire-resistant flame retarded cable of crosslinked polyethylene.
Background
With the increase of crowded places such as intelligent buildings and high-rise buildings, crosslinked polyethylene insulated power cables with rated voltage of 8.7/10kV are used in power supply systems of the facilities. Because the common cross-linked polyethylene insulated power cable has no fire resistance, the power supply line can not be kept to continuously and safely and stably operate under the condition of flame, and when a fire disaster occurs, the cable can quickly catch fire and burn to stop supplying power, so that evacuation and evacuation of people and fire rescue are not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire-resistant flame retarded cable of crosslinked polyethylene to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a fire-resistant flame retarded cable of crosslinked polyethylene, from interior to exterior includes in proper order conductor sinle silk, interior around package flame retardant coating, crowded package insulating layer, metal level, around package flame retardant coating, crowded package oversheath layer, press from both sides between crowded package insulating layer and the metal level and be equipped with fire-retardant layer, fire-retardant layer is including filling the flame retardant coating and around the package protective layer, there is around the package protective layer around the package shaping between crowded package insulating layer and the metal level, crowded package insulating layer and around being equipped with the packing flame retardant coating between the package protective layer. The fireproof cable is provided with the filling fireproof layer and the wrapping protective layer, flame retardant capability of the cable is improved, the filling fireproof layer and the wrapping protective layer assist in improving flame retardant and fireproof capability, flame retardant capability of the cable is improved, and protection of the cable main body is enhanced.
Furthermore, the conductor wire core is formed by stranding a plurality of oxygen-free copper conductors. And stranding oxygen-free copper conductors to form a wire harness as a conductor wire core.
Further, the inner lapping refractory layer is formed by lapping inorganic mineral mica tapes. The conductor wire core is fixed by wrapping inorganic mineral mica tapes, the fire resistance of the cable is improved by wrapping the inorganic mineral mica tapes, and the integrity of the circuit is kept under the flame condition.
Furthermore, the extruded insulating layer is extruded and formed by adopting a cross-linked polyethylene material. The cross-linked polyethylene material is extruded and formed to serve as the insulating layer, the insulation resistance of the cable is improved through the extrusion of the cross-linked polyethylene, and the insulating capability and the fire resistance of the cable are guaranteed.
Further, the filling fire-proof layer is a high-fire-retardant filling rope. The flame retardant capability of the cable is improved by filling the high flame retardant filling rope.
Further, the wrapping protective layer is formed by wrapping halogen-free low-smoke high-flame-retardant tapes. Further fix the cable core around the package protective layer, improve the fire-retardant ability of cable through around the package protective layer, improve the fire-retardant ability of cable.
Further, the metal layer is a metal sheath formed by welding aluminum or aluminum alloy. The flame retardant capability and the fire resistance of the cable are ensured by arranging the metal layer, and the interference is prevented.
Furthermore, the wrapping fireproof layer is formed by wrapping a ceramic fireproof composite tape. The metal layer is protected by the ceramic fireproof composite belt wrapped on the metal layer, flame is prevented from directly burning the metal layer, and the fire resistance and flame retardant capability of the cable are improved.
Further, the extruded outer sheath layer is formed by extruding halogen-free low-smoke flame-retardant polyolefin materials. The fixed flame-retardant layer is protected and fixed through the outer wrapping layer and the inner wrapping flame-retardant layer is wrapped. The flame retardant material is formed on the surface of the wrapping fireproof layer to protect the wrapping tape, so that the fire resistance and the flame retardant property are improved.
The utility model has the advantages that: the fireproof cable is provided with the filling fireproof layer and the wrapping protective layer, the flame-retardant fireproof capacity is improved through the filling fireproof layer and the wrapping protective layer, the flame-retardant capacity of the cable is improved, the circuit integrity of the cable under the flame condition can be kept, and the protection of the cable main body is enhanced.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of a cross-linked polyethylene fire-resistant and flame-retardant cable according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cross-linked polyethylene fire-resistant and flame-retardant cable according to an embodiment of the present invention.
The labels in the figure are: conductor sinle silk 1, interior package flame retardant coating 2, crowded package insulating layer 3, the flame retardant coating 4 of filling, around package protective layer 5, metal level 6, around package flame retardant coating 7, crowded package oversheath layer 8.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "up, down, left, and right" used generally refer to up, down, left, and right as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 1-fig. 2, an embodiment of the utility model provides a pair of fire-resistant flame retarded cable of crosslinked polyethylene includes conductor sinle silk in proper order from interior to exterior, winds package flame retardant coating, crowded package insulating layer, metal level, winds package flame retardant coating, crowded package oversheath layer, press from both sides between crowded package insulating layer and the metal level and be equipped with fire-retardant layer, fire-retardant layer is including filling the flame retardant coating and around the package protective layer, there is around the package protective layer around the package shaping between crowded package insulating layer and the metal level, crowded package insulating layer and around being equipped with the packing flame retardant coating between the package protective layer. The fireproof cable is provided with the filling fireproof layer and the wrapping protective layer, flame retardant capability of the cable is improved, the filling fireproof layer and the wrapping protective layer assist in improving flame retardant and fireproof capability, flame retardant capability of the cable is improved, and protection of the cable main body is enhanced.
The conductor wire core is formed by stranding a plurality of oxygen-free copper conductors. And stranding oxygen-free copper conductors to form a wire harness as a conductor wire core.
The inner lapping refractory layer is formed by lapping inorganic mineral mica tapes. The conductor wire core is fixed by wrapping inorganic mineral mica tapes, the fire resistance of the cable is improved by wrapping the inorganic mineral mica tapes, and the integrity of the circuit is kept under the flame condition.
The extrusion insulating layer is formed by extrusion of a cross-linked polyethylene material. The cross-linked polyethylene material is extruded and formed to serve as the insulating layer, the insulation resistance of the cable is improved through the extrusion of the cross-linked polyethylene, and the insulating capability and the fire resistance of the cable are guaranteed.
The filling fireproof layer is a high-flame-retardant filling rope. The flame retardant capability of the cable is improved by filling the high flame retardant filling rope.
The wrapping protective layer is formed by wrapping halogen-free low-smoke high-flame-retardant tapes. Further fix the cable core around the package protective layer, improve the fire-retardant ability of cable through around the package protective layer, improve the fire-retardant ability of cable.
The metal layer is a metal sheath formed by welding aluminum or aluminum alloy. The flame retardant capability and the fire resistance of the cable are ensured by arranging the metal layer, and the interference is prevented.
The wrapping fireproof layer is formed by wrapping a ceramic fireproof composite tape. The metal layer is protected by the ceramic fireproof composite belt wrapped on the metal layer, flame is prevented from directly burning the metal layer, and the fire resistance and flame retardant capability of the cable are improved.
The extruded outer sheath layer is formed by extruding halogen-free low-smoke flame-retardant polyolefin materials. The fixed flame-retardant layer is protected and fixed through the outer wrapping layer and the inner wrapping flame-retardant layer is wrapped. The flame retardant material is formed on the surface of the wrapping fireproof layer to protect the wrapping tape, so that the fire resistance and the flame retardant property are improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A fire-resistant flame retarded cable of crosslinked polyethylene which is characterized in that: from interior to exterior in proper order including the conductor sinle silk, interior around package flame retardant coating, crowded package insulating layer, metal level, around package flame retardant coating, crowded package oversheath layer, press from both sides between crowded package insulating layer and the metal level and be equipped with fire-retardant layer, fire-retardant layer is including filling the flame retardant coating and around the package protective layer, it has around the package protective layer to wrap the package shaping between crowded package insulating layer and the metal level, crowded package insulating layer and around being equipped with the packing flame retardant coating between the package protective layer.
2. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the conductor wire core is formed by stranding a plurality of oxygen-free copper conductors.
3. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the inner lapping refractory layer is formed by lapping inorganic mineral mica tapes.
4. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the extrusion insulating layer is formed by extrusion of a cross-linked polyethylene material.
5. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the filling fire-proof layer is a high-fire-retardant filling rope.
6. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the wrapping protective layer is formed by wrapping halogen-free low-smoke high-flame-retardant tapes.
7. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the metal layer is a metal sheath formed by welding aluminum or aluminum alloy.
8. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the wrapping fireproof layer is formed by wrapping a ceramic fireproof composite tape.
9. The crosslinked polyethylene fire-resistant flame-retardant cable according to claim 1, wherein: the extruded outer sheath layer is formed by extruding halogen-free low-smoke flame-retardant polyolefin materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220527545.8U CN217134061U (en) | 2022-03-11 | 2022-03-11 | Fire-resistant flame retarded cable of crosslinked polyethylene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220527545.8U CN217134061U (en) | 2022-03-11 | 2022-03-11 | Fire-resistant flame retarded cable of crosslinked polyethylene |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134061U true CN217134061U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220527545.8U Active CN217134061U (en) | 2022-03-11 | 2022-03-11 | Fire-resistant flame retarded cable of crosslinked polyethylene |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217134061U (en) |
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2022
- 2022-03-11 CN CN202220527545.8U patent/CN217134061U/en active Active
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