CN215731021U - Fire-resistant flame-retardant cable - Google Patents
Fire-resistant flame-retardant cable Download PDFInfo
- Publication number
- CN215731021U CN215731021U CN202121276291.9U CN202121276291U CN215731021U CN 215731021 U CN215731021 U CN 215731021U CN 202121276291 U CN202121276291 U CN 202121276291U CN 215731021 U CN215731021 U CN 215731021U
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- fire
- water
- flame
- cable
- heat
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Abstract
The utility model provides a fire-resistant flame-retardant cable, which relates to the technical field of cables and comprises a cable core, wherein a shielding case is sleeved on the surface of the cable core, fire-proof sand is arranged in the shielding case, an inorganic heat-absorbing layer is arranged on the surface of the shielding case, a flame-retardant strip is arranged on the surface of the inorganic heat-absorbing layer, a cable sheath can effectively protect the interior of the cable, when water is met, the water flows into the water-absorbing water storage layer through a water through hole, the water-absorbing water storage layer after being filled with the water can effectively block a fire source, a heat-resistant layer can effectively block an external heat source from entering the heat-resistant layer, the flame-retardant strip can effectively resist the flame, the inorganic heat-absorbing layer can effectively absorb the heat to prevent the heat from being introduced into the inorganic heat-absorbing layer, the fire-proof sand and the shielding case can further prevent the fire source from damaging the cable core, and can effectively resist the flame of the cable, the potential safety hazard is effectively reduced, and the resources are also saved.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fire-resistant flame-retardant cable.
Background
The cables are visible everywhere in daily production and life, and a large number of cables are usually intensively paved in cable ducts in power plants, factories and laboratories so as to facilitate wiring, maintenance and attractiveness. With the increase of the dependence of people on electricity, more and more cables are arranged in the cable trench, and the cable trench is longer and longer. The occurrence probability of fire accidents is correspondingly increased, once a cable is in fire, large-area cable burning is caused, production cannot be recovered in a short time, and economic loss is great.
When the existing cable meets an external fire source, the cable is very easy to catch fire, great potential safety hazards exist, and resources are wasted.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fire-resistant flame-retardant cable, and aims to solve the problems in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: the fire-resistant flame-retardant cable comprises a cable core, wherein a shielding case is sleeved on the surface of the cable core, fire-proof sand is arranged in the shielding case, an inorganic heat-absorbing layer is arranged on the surface of the shielding case, a flame-retardant strip is arranged on the surface of the inorganic heat-absorbing layer, a heat-resistant barrier layer is arranged on the surface of the flame-retardant strip, a water-absorbing water storage layer is arranged on the surface of the heat-resistant barrier layer, a cable sheath is arranged on the surface of the water-absorbing water storage layer, and a water through hole is formed in the cable sheath.
In order to enable the water absorption and water storage layer to absorb water more conveniently, the utility model has the further technical scheme that the diameter value of the limber hole is not more than 1 cm.
In order to enable the water absorption and storage layer to have the function of more conveniently absorbing and storing water, the water absorption and storage layer is made of water absorption resin.
In order to make the utility model have the function of blocking external fire sources, the further technical scheme of the utility model is that the heat blocking layer is a layer made of refractory materials or flame retardant halogen-free materials.
In order to enable the heat absorbing layer to have the function of effectively absorbing an external heat source, the further technical scheme of the utility model is that the material of the inorganic heat absorbing layer is one or more of magnesium hydroxide, aluminum hydroxide, hydrated potassium aluminum sulfate and hydrated calcium sulfate.
In order to ensure that the cable sheath has the protection effect on the cable sheath, the further technical scheme is that the surface of the cable sheath is coated with a heat insulation coating layer, and the heat insulation coating layer is a bismuth-doped modified nano tin oxide transparent heat insulation coating layer.
The utility model has the beneficial effects that:
the sheath can effectually protect the cable inside, when meetting water, water flows in the inside of the reservoir of absorbing water through the limbers, the reservoir of absorbing water after filling water can effectually block the flame sources, the thermal barrier can effectually block in the external heat source gets into the thermal barrier, fire-retardant strip can effectually carry out fire-retardant, inorganic heat-absorbing layer can effectual heat absorption, avoid in the leading-in inorganic heat-absorbing layer of heat, prevent that the fire sources that fire prevention sand and cage can be further damage the cable core, can effectually carry out fire-retardant to the cable, the effectual potential safety hazard that has reduced, the resource has also been practiced thrift.
Drawings
FIG. 1 is a schematic cross-sectional plan view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional perspective view of an embodiment of the present invention.
In the figure: 1. a cable core; 2. fire-proof sand; 3. an isolation cover; 4. an inorganic heat absorbing layer; 5. a flame retardant strip; 6. a thermal barrier layer; 7. a water absorbing and storing layer; 8. a cable sheath; 9. a water hole.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-2, a fire-resistant flame-retardant cable comprises a cable core 1, a shielding case 3 is sleeved on the surface of the cable core 1, fire-proof sand 2 is arranged in the shielding case 3, an inorganic heat-absorbing layer 4 is arranged on the surface of the shielding case 3, the inorganic heat-absorbing layer 4 is made of one or more of magnesium hydroxide, aluminum hydroxide, hydrated potassium aluminum sulfate and hydrated calcium sulfate, a flame-retardant strip 5 is arranged on the surface of the inorganic heat-absorbing layer 4, a thermal barrier layer 6 is arranged on the surface of the flame-retardant strip 5, the thermal barrier layer 6 is made of a fire-resistant material or a fire-retardant halogen-free material, a water-absorbing storage layer 7 is arranged on the surface of the thermal barrier layer 6, the water-absorbing storage layer 7 is made of water-absorbent resin, a cable sheath 8 is arranged on the surface of the water-absorbing storage layer 7, a heat-insulating coating layer is coated on the surface of the cable sheath 8, and the heat-insulating coating layer is a bismuth-doped modified nano tin oxide transparent heat-insulating coating layer, the cable sheath 8 is internally provided with a water through hole 9, and the diameter value of the water through hole 9 is not more than 1 cm.
In this embodiment, sheath 8 can be effectual protects inside the cable, when meetting water, water flows into the inside of the reservoir stratum 7 that absorbs water through limbers 9, the reservoir stratum 7 that absorbs water after filling water can effectually block the flame sources, heat barrier 6 can effectually block outside heat source and get into in heat barrier 6, fire-retardant strip 5 can effectually carry out fire-retardant, inorganic heat sink 4 can effectual heat absorption, avoid in the leading-in inorganic heat sink 4 of heat, fire prevention sand 2 and cage 3 can further block the flame sources and damage cable core 1, can effectually carry out fire-retardant to the cable, the effectual potential safety hazard that has reduced, the resource has also been practiced thrift.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides a fire-resistant flame retarded cable, characterized by, includes cable core (1), the surface cover of cable core (1) is equipped with cage (3), be provided with fire prevention sand (2) in cage (3), the surface of cage (3) is provided with inorganic heat-sink shell (4), the surface of inorganic heat-sink shell (4) is provided with fire-retardant strip (5), the surface of fire-retardant strip (5) is provided with thermal barrier layer (6), the surface of thermal barrier layer (6) is provided with water storage layer (7) that absorbs water, the surface of water storage layer (7) that absorbs water is provided with cable crust (8), limbers (9) have been seted up in cable crust (8).
2. Fire-resistant and flame-retardant cable according to claim 1, characterized in that the diameter of the water passage holes (9) has a value not greater than 1 cm.
3. The fire-resistant and flame-retardant cable according to claim 1, wherein the water-absorbing and water-storing layer (7) is made of water-absorbing resin.
4. The fire-resistant and flame-retardant cable according to claim 1, wherein the thermal barrier (6) is a layer made of a fire-resistant material or a flame retardant halogen-free material.
5. The fire-resistant and flame-retardant cable according to claim 1, wherein the inorganic heat-absorbing layer (4) is made of one or more of magnesium hydroxide, aluminum hydroxide, hydrated potassium aluminum sulfate and hydrated calcium sulfate.
6. A fire-resistant flame-retardant cable according to any one of claims 1 to 5, wherein the surface of the cable sheath (8) is coated with a heat-insulating coating layer, and the heat-insulating coating layer is a bismuth-doped modified nano tin oxide transparent heat-insulating coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121276291.9U CN215731021U (en) | 2021-06-08 | 2021-06-08 | Fire-resistant flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121276291.9U CN215731021U (en) | 2021-06-08 | 2021-06-08 | Fire-resistant flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215731021U true CN215731021U (en) | 2022-02-01 |
Family
ID=80041554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121276291.9U Expired - Fee Related CN215731021U (en) | 2021-06-08 | 2021-06-08 | Fire-resistant flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215731021U (en) |
-
2021
- 2021-06-08 CN CN202121276291.9U patent/CN215731021U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220201 |