CN220672266U - Flexible fire-resistant cable cladding piece - Google Patents
Flexible fire-resistant cable cladding piece Download PDFInfo
- Publication number
- CN220672266U CN220672266U CN202322362581.0U CN202322362581U CN220672266U CN 220672266 U CN220672266 U CN 220672266U CN 202322362581 U CN202322362581 U CN 202322362581U CN 220672266 U CN220672266 U CN 220672266U
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- China
- Prior art keywords
- layer
- wall
- heat shrinkage
- fire
- flame
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Links
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 25
- 238000005253 cladding Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 13
- 238000000576 coating method Methods 0.000 claims abstract description 13
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 239000003063 flame retardant Substances 0.000 claims description 32
- 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 description 28
- 239000000463 material Substances 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 229920001971 elastomer Polymers 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Classifications
-
- 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of power transmission cables, in particular to a flexible fire-resistant cable coating sheet, which comprises a cable core, wherein the outer wall of the cable core is coated with a protective sleeve, the outer walls of a plurality of protective sleeves are provided with fire-resistant coating sheet assemblies, each fire-resistant coating sheet assembly comprises a substrate layer, a fire-resistant layer and a sealing layer, the substrate layer is coated on the outer wall of the protective sleeve, the fire-resistant layer is arranged on the outer wall of one side of the substrate layer far away from the cable core, and the sealing layer is coated on the outer wall of the fire-resistant layer.
Description
Technical Field
The utility model relates to the technical field of power transmission cables, in particular to a flexible fire-resistant cable coating sheet.
Background
In the prior art, cables are typically composed of a plurality of wires or lines, which are typically encased in a covering material in order to protect the wires and provide electrical insulation.
In order to improve the weather resistance of the existing cable material, the wrapping sheet used for wrapping the outside of the existing cable material is mainly made of rubber and is used for assisting the metal wire to strengthen and fix, but the rubber is used as the wrapping sheet, so that the fire resistance of the cable is insufficient, the cable is ignited when being burnt, and the thickness of the metal wire is increased to play a certain role in fire prevention, but the flexibility of the cable is affected.
In view of the above, it is necessary to invent a flexible fire-resistant cable covering sheet.
Disclosure of Invention
Therefore, the utility model provides the flexible fire-resistant cable coating sheet, which aims to solve the problems that the fire resistance of a cable is insufficient due to the adoption of rubber as the coating sheet, the cable is ignited when being burnt, and the thickness of a metal wire is increased to play a certain role in fire prevention, but the flexibility of the cable is influenced.
In order to achieve the above object, the present utility model provides the following technical solutions: the flexible fire-resistant cable cladding sheet comprises a cable core, wherein the outer wall of the cable core is wrapped with a protective sleeve, and fire-resistant cladding sheet assemblies are arranged on the outer walls of a plurality of the protective sleeves;
the fire-resistant cladding piece subassembly includes substrate layer, fire-retardant layer and sealing layer, the outer wall at the protective sheath is wrapped up in to the substrate layer, fire-retardant layer sets up the outer wall in one side that the cable core was kept away from to the substrate layer, the sealing layer wraps up the outer wall at fire-retardant layer.
Preferably, a heat shrinkage layer is fixed on the outer wall of the substrate layer and on one side far away from the cable core, and the heat shrinkage layer is a heat shrinkage film.
Preferably, the inner wall of the flame retardant layer is fixed with the outer wall of the heat shrinkage layer, and the outer wall of the flame retardant layer is provided with strip-shaped grooves.
Preferably, the plurality of strip-shaped grooves are all arranged in an annular array mode, and the inner wall of the sealing layer is fixedly connected with the outer wall of the flame-retardant layer.
Preferably, the outer walls of the strip-shaped grooves are filled with filling layers, and the filling layers are filled with a thickness larger than the thickness dimension of the heat shrinkage layer.
Preferably, the outer wall of one side of the sealing layer far away from the flame retardant layer is wrapped with an outer insulating layer, and the thickness dimension of the outer insulating layer is smaller than that of the base material layer.
Preferably, the thickness dimension of the heat-shrinkable layer is smaller than the thickness dimension of the base material layer, the thickness dimension of the base material layer is 0.5mm, and the thickness dimension of the heat-shrinkable layer is 0.1mm.
The beneficial effects of the utility model are as follows:
according to the utility model, the cable core can be protected for the first time through the arranged base material layer, the fire resistance of the base material layer can be improved again through the cooperation of the arranged flame retardant layer, the filling layer and the sealing layer, and the materials are flexible materials, so that the fire resistance of the cable core is improved, the influence on the flexibility of the cable core can be avoided, and the cable core is more convenient for related personnel to use.
Drawings
FIG. 1 is a schematic view of a part of a structure in a side view direction of the present utility model;
FIG. 2 is a schematic cross-sectional structural view of a cross-section of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is a schematic perspective view of a flame retardant layer according to the present utility model.
In the figure: 100. a cable core; 110. a protective sleeve; 200. an outer insulating layer; 210. a substrate layer; 220. a heat-shrinkable layer; 230. a flame retardant layer; 231. a bar-shaped groove; 232. a filling layer; 240. and (3) a sealing layer.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
Referring to fig. 1-4, the flexible fire-resistant cable wrapping sheet provided by the utility model comprises a cable core 100, wherein the outer wall of the cable core 100 is wrapped with a protecting sleeve 110, the protecting sleeve 110 is arranged to protect the outer wall of the cable core 100, the protecting sleeve 110 is made of a protective rubber layer, the protecting sleeve can protect the cable core 100 and simultaneously insulate the cable core 100, the wrapping of the cable cores 100 is avoided, the outer walls of the protecting sleeves 110 are provided with fire-resistant wrapping sheet assemblies, the fire-resistant wrapping sheet assemblies comprise a substrate layer 210, a fire-retardant layer 230 and a sealing layer 240, the substrate layer 210 is wrapped on the outer wall of the protecting sleeve 110, the arranged substrate layer 210 can be made of a high-temperature-resistant silicone rubber material, the silicone rubber material has excellent high-temperature resistance and weather resistance, can be kept stable in a high-temperature environment, the heat shrinkage layer 220 is fixed on one side of the outer wall of the substrate layer 210 far away from the cable core 100, the heat shrinkage layer 220 is a heat shrinkage film, the heat shrinkage layer 220 is arranged for heat shrinkage, so that the base material layer 210 can clamp and fix the cable core 100, the heat shrinkage layer 220 is a special type plastic film which can shrink and tightly adhere to the surface of an object when being heated, the functions of protection, encapsulation, insulation, decoration and the like are provided, the flame retardant layer 230 is arranged on the outer wall of the side of the base material layer 210 far away from the cable core 100, the inner wall of the flame retardant layer 230 is fixed with the outer wall of the heat shrinkage layer 220, the flame retardant layer 230 is arranged for improving the fire resistance protection of the base material layer 210 to the cable core 100 again, the flame retardant layer 230 is made of flame retardant polymer materials such as polyurethane, polyimide and the like, has higher fire resistance, can prevent the spread of flame under the fire condition, the outer wall of the flame retardant layer 230 is provided with strip grooves 231, the plurality of strip-shaped grooves 231 are all arranged in an annular array mode, the arranged strip-shaped grooves 231 can be used for filling some filling layers 232 on the outer wall of the flame-retardant layer 230 to serve as protection, the arranged filling layers 232 are used for enhancing the fire resistance of the flame-retardant layer 230, the inner wall of the sealing layer 240 is fixedly connected with the outer wall of the flame-retardant layer 230, the filling layers 232 are filled on the outer wall of the strip-shaped grooves 231, the filling thickness of the filling layers 232 is larger than the thickness dimension of the heat shrinkage layer 220, preferably, the arranged filling layers 232 are made of materials which can be selected to contain fillers with good fire resistance such as aluminum hydroxide and magnesium hydroxide, the fillers can increase the density and the thermal inertia of the materials, slow down heat conduction and accordingly improve the fire resistance;
the sealing layer 240 wraps the outer wall of the flame retardant layer 230, the sealing layer 240 is mainly used for sealing the outer wall of the strip-shaped groove 231, so that the filling layer 232 can be protected, the sealing layer 240 is preferably an asbestos wrapping layer, the outer wall of one side, far away from the flame retardant layer 230, of the sealing layer 240 is wrapped with the outer insulating layer 200, the thickness dimension of the outer insulating layer 200 is smaller than that of the base material layer 210, the thickness dimension of the heat shrinkage layer 220 is smaller than that of the base material layer 210, the thickness dimension of the base material layer 210 is 0.5mm, the thickness dimension of the heat shrinkage layer 220 is 0.1mm, the outer insulating layer 200 is used for improving the overall insulating effect of the cable, and the outer insulating layer 200 is a common insulating wrapping layer of the cable.
The application process of the utility model is as follows: specifically, after the cable core 100 is wound and connected, a person can wrap the protective sleeve 110 around the cable core 100, then wind the plurality of protective sleeves 110 together, and then include a layer of substrate layer 210 on the outer wall of the protective sleeve 110, then fix the plurality of protective sleeves 110 by using the heat shrinkage performance of the heat shrinkage layer 220, after that, the person can sleeve the flame retardant layer 230 on the outer wall of the heat shrinkage layer 220, then sleeve a layer of sealing layer 240 for sealing on the outer wall of the flame retardant layer 230, then fill the filling layer 232 in the bar-shaped groove 231, and finally wrap and seal the whole material by using the outer insulation layer 200;
specifically, when the cable core 100 is specifically used, the sealing layer 240, the flame retardant layer 230 and the filling layer 232 are arranged to be matched with the base material layer 210, so that the fire resistance of the whole cable core 100 can be effectively improved, and the cable core 100 can be better protected.
The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.
Claims (7)
1. A flexible fire resistant cable coating sheet comprising a cable core (100), the outer wall of the cable core (100) being wrapped with a protective sheath (110), characterized in that: the outer walls of the plurality of protective sleeves (110) are provided with refractory cladding sheet assemblies;
the fire-resistant cladding sheet assembly comprises a substrate layer (210), a flame-retardant layer (230) and a sealing layer (240), wherein the substrate layer (210) is wrapped on the outer wall of the protective sleeve (110), the flame-retardant layer (230) is arranged on the outer wall of one side, far away from the cable core (100), of the substrate layer (210), and the sealing layer (240) is wrapped on the outer wall of the flame-retardant layer (230).
2. A flexible fire resistant cable coating according to claim 1, wherein: and a heat shrinkage layer (220) is fixed on one side, far away from the cable core (100), of the outer wall of the base material layer (210), and the heat shrinkage layer (220) is a heat shrinkage film.
3. A flexible fire resistant cable coating according to claim 2, wherein: the inner wall of the flame retardant layer (230) is fixed with the outer wall of the heat shrinkage layer (220), and the outer walls of the flame retardant layer (230) are provided with strip grooves (231).
4. A flexible fire resistant cable coating according to claim 3, wherein: the plurality of strip-shaped grooves (231) are all arranged in an annular array mode, and the inner wall of the sealing layer (240) is fixedly connected with the outer wall of the flame-retardant layer (230).
5. A flexible fire resistant cable coating according to claim 3, wherein: the outer walls of the strip-shaped grooves (231) are filled with filling layers (232), and the thickness of the filling layers (232) is larger than the thickness dimension of the heat shrinkage layers (220).
6. A flexible fire resistant cable coating according to claim 1, wherein: an outer insulating layer (200) is wrapped on the outer wall of one side, far away from the flame-retardant layer (230), of the sealing layer (240), and the thickness dimension of the outer insulating layer (200) is smaller than that of the base material layer (210).
7. A flexible fire resistant cable coating according to claim 2, wherein: the thickness dimension of the heat shrinkage layer (220) is smaller than that of the base material layer (210), the thickness dimension of the base material layer (210) is 0.5mm, and the thickness dimension of the heat shrinkage layer (220) is 0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362581.0U CN220672266U (en) | 2023-08-31 | 2023-08-31 | Flexible fire-resistant cable cladding piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322362581.0U CN220672266U (en) | 2023-08-31 | 2023-08-31 | Flexible fire-resistant cable cladding piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672266U true CN220672266U (en) | 2024-03-26 |
Family
ID=90343512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322362581.0U Active CN220672266U (en) | 2023-08-31 | 2023-08-31 | Flexible fire-resistant cable cladding piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672266U (en) |
-
2023
- 2023-08-31 CN CN202322362581.0U patent/CN220672266U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |