CN213877658U - Irradiation low-smoke halogen-free fire-resistant cable - Google Patents
Irradiation low-smoke halogen-free fire-resistant cable Download PDFInfo
- Publication number
- CN213877658U CN213877658U CN202022826284.3U CN202022826284U CN213877658U CN 213877658 U CN213877658 U CN 213877658U CN 202022826284 U CN202022826284 U CN 202022826284U CN 213877658 U CN213877658 U CN 213877658U
- Authority
- CN
- China
- Prior art keywords
- fire
- cable
- fireproof
- layer
- resistant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses an irradiation low smoke zero halogen fire-resistant cable, which comprises a cable body and a fire-resistant mechanism, wherein the fire-resistant mechanism is arranged inside the cable body, when the cable is ignited from the outside, the periphery of a first fire-resistant layer is in a circular arc structure, the periphery of the first fire-resistant layer is matched with the inner wall of an insulating protective layer, the inside of the first fire-resistant layer is filled with fire-resistant gas, the fire-resistant gas is a component made of heptafluoropropane material, when the first fire-resistant layer is burnt and dissolved, the fire-resistant gas is sprayed to the outside to extinguish a fire, the fire-resistant performance of the cable is improved, the first fire-resistant layer is embedded and spliced with the cable body, when the first fire-resistant layer is burnt and dissolved at one ignition point to enable the fire-resistant gas to start fire extinguishing operation, other first fire-resistant components at each place are in an independent operation state, and the phenomenon that the fire-resistant gas is lost due to one ignition point is avoided, the fire extinguishing effect on the cable is guaranteed.
Description
Technical Field
The utility model relates to the technical field of cables, specifically a low smoke and zero halogen fire resisting cable of irradiation.
Background
The low-smoke halogen-free cable is an insulating layer material halogen substance of the cable, does not release halogen-containing gas under the condition of combustion, has low smoke concentration, has the reference standard of JB/T10491-2004 and the models of WDZ-BYJ, WDZ-RYJ and the like, has production capacity in domestic mass manufacturers, adopts halogen-free environment-friendly materials, utilizes high-energy electrons generated by an electron accelerator to bombard the insulating layer, breaks molecular chains to form crosslinking again, and is also an irradiation crosslinking process.
Present irradiation low smoke and zero halogen fire resisting cable is catching fire when, is not convenient for compromise simultaneously to inside and outside ignition, if external ignition is more, some packings have the ignition of gas cable of putting out a fire inconvenient to put out a fire simultaneously to the ignition of each position, if a ignition makes the gaseous operation of starting to put out a fire, then other many ignition will fail to put out a fire, the poor problem of fire control effect.
To solve the above problems. Therefore, an irradiation low-smoke halogen-free fire-resistant cable is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an irradiation low smoke and zero halogen fire resisting cable to solved among the prior art irradiation low smoke and zero halogen fire resisting cable when catching fire, be not convenient for compromise simultaneously to inside and outside ignition point, if external ignition point is more, some packings have the gas cable of putting out a fire and just put out a fire simultaneously to the ignition point of each position, if a ignition point makes the gaseous start operation of putting out a fire, then other many ignition points will be unable to put out a fire, the poor problem of fire control effect.
In order to achieve the above object, the utility model provides a following technical scheme: an irradiation low-smoke halogen-free fireproof cable comprises a cable body and a fireproof mechanism, wherein the fireproof mechanism is arranged inside the cable body, the cable body comprises an insulating protective layer and a cable core, the cable core is positioned inside the insulating protective layer, and the cable core is connected with the insulating protective layer through the fireproof mechanism;
the fire prevention mechanism includes first fire prevention subassembly and second fire prevention subassembly, and the second fire prevention subassembly sets up in the periphery of first fire prevention subassembly.
Preferably, the insulating protective layer is a member made of a halogen-free material, and the inner wall of the insulating protective layer is attached to the periphery of the second fireproof component.
Preferably, the first fireproof assembly comprises a first fireproof layer and fireproof gas, the fireproof gas is filled in the first fireproof layer, and the fireproof gas is a component made of heptafluoropropane.
Preferably, first flame retardant coating includes first filling cavity and embedded groove, and first filling cavity has been seted up to the inside of first flame retardant coating, and cooperatees between the adjacent first flame retardant coating and constitute the embedded groove.
Preferably, the periphery of the first fireproof layer is of an arc-shaped structure, and the periphery of the first fireproof layer is matched with the inner wall of the insulating protective layer.
Preferably, the second fireproof component comprises a second fireproof layer and quartz sand, and the inside of the second fireproof layer is filled with the quartz sand.
Preferably, a second filling cavity is formed in the second fireproof layer, and the second fireproof layer is matched with the embedded groove.
Preferably, the bottom of the second fireproof layer is of an arc-shaped structure, and the bottom of the second fireproof layer is matched with the periphery of the cable core.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model provides a pair of low smoke and zero halogen fire resisting cable of irradiation, be the component that a halogen-free material was made through the insulating protective layer, improve the fire resistance of cable, reduce the amount of smoke during the burning, when the cable begins to catch fire from the external world, periphery through first flame retardant coating is circular-arc structure, and the periphery of first flame retardant coating is identical with the inner wall of insulating protective layer, the inside packing of first flame retardant coating has fire prevention gas, and fire prevention gas is the component that a heptafluoropropane material was made, when burning and dissolving first flame retardant coating, fire prevention gas will put out a fire to the external blowout, improve the fire behavior of cable.
2. The utility model provides an irradiation low smoke and zero halogen fireproof cable, through when there are many ignition points in the cable external world, constitute the embedded groove through matching between the adjacent first flame retardant coating, second flame retardant coating and embedded groove phase-match, make first flame retardant coating carry out embedded concatenation installation with the cable body relatively, when one ignition point burns and dissolves first flame retardant coating and makes fire prevention gas begin to put out a fire the operation, other first fire prevention subassembly everywhere will be in the independent operating condition of treating, avoid appearing because of one ignition point the phenomenon that the loss of fire prevention gas is totally lost, the guarantee is to the fire extinguishing effect of cable.
3. The utility model provides an irradiation low smoke and zero halogen fireproof cable, include second flame retardant coating and quartz sand through second fire prevention subassembly, the inside packing of second flame retardant coating has quartz sand, the bottom of second flame retardant coating is a circular-arc structure, and the bottom of second flame retardant coating is identical with the periphery of cable core, the isolation through embedded concatenation installation, make mutual noninterference between first flame retardant coating and the second flame retardant coating, for external burning things which may cause a fire disaster, remain throughout and wait the state of putting out a fire to the cable core, catch fire when the cable core, after burning and dissolving the second flame retardant coating, quartz sand will cover the ignition, be convenient for compromise simultaneously to inside and outside ignition, the operation of putting out a fire.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall internal three-dimensional structure of the present invention;
FIG. 3 is a schematic perspective view of a second fireproof layer and a cable core of the present invention;
fig. 4 is a schematic perspective view of the first fire-proof layer and the insulating protective layer of the present invention;
fig. 5 is the utility model discloses a first flame retardant coating concatenation state spatial structure sketch map.
In the figure: 1. a cable body; 11. an insulating protective layer; 12. a cable core; 2. a fire prevention mechanism; 21. a first fire-resistant assembly; 211. a first fire resistant layer; 2111. a first filled cavity; 2112. a groove is embedded; 212. a fire-retardant gas; 22. a second fire-resistant assembly; 221. a second fire-resistant layer; 2211. a second filled cavity; 222. and (4) quartz sand.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2 and 4-5, an irradiation low smoke zero halogen fire-resistant cable includes a cable body 1 and a fire-proof mechanism 2, the fire-proof mechanism 2 is disposed inside the cable body 1, the cable body 1 includes an insulating protection layer 11 and a cable core 12, the cable core 12 is disposed inside the insulating protection layer 11, the cable core 12 is connected to the insulating protection layer 11 through the fire-proof mechanism 2, the fire-proof mechanism 2 includes a first fire-proof component 21 and a second fire-proof component 22, the second fire-proof component 22 is disposed on the periphery of the first fire-proof component 21, the insulating protection layer 11 is a member made of a halogen-free material, the inner wall of the insulating protection layer 11 is attached to the periphery of the second fire-proof component 22, the first fire-proof component 21 includes a first fire-proof layer 211 and a fire-proof gas 212, the first fire-proof layer 211 is filled with the fire-proof gas 212, and the fire-proof gas 212 is a member made of a heptafluoropropane material, the first fireproof layer 211 comprises a first filling cavity 2111 and an embedded groove 2112, the first fireproof layer 211 is internally provided with the first filling cavity 2111, the adjacent first fireproof layers 211 are matched to form the embedded groove 2112, the periphery of the first fireproof layer 211 is of an arc-shaped structure, the periphery of the first fireproof layer 211 is matched with the inner wall of the insulating protective layer 11, the insulating protective layer 11 is a member made of halogen-free materials, the fire resistance of the cable is improved, the smoke amount during combustion is reduced, when the cable is ignited from the outside, the periphery of the first fireproof layer 211 is of an arc-shaped structure, the periphery of the first fireproof layer 211 is matched with the inner wall of the insulating protective layer 11, the inside of the first fireproof layer 211 is filled with fireproof gas 212, the fireproof gas 212 is a member made of heptafluoropropane, and when the first fireproof layer 211 is burnt and dissolved, the fireproof gas 212 is sprayed to the outside to extinguish fire, improve the fire resistance of cable, through when there are many ignition points in the cable external world, constitute embedded groove 2112 through cooperateing between the adjacent first flame retardant coating 211, second flame retardant coating 221 and embedded groove 2112 phase-match, make first flame retardant coating 211 carry out embedded concatenation installation with cable body 1 relatively, burn when a ignition point burns and dissolves first flame retardant coating 211 and make fire prevention gas 212 begin to put out a fire the operation, other everywhere first fire prevention subassembly 21 will be in the independent operating condition of treating, avoid appearing because of a ignition point with the almost phenomenon of fire prevention gas 212 loss, the guarantee is to the fire extinguishing effect of cable.
Referring to fig. 2-3, a low-smoke zero-halogen radiation fireproof cable, wherein a second fireproof component 22 comprises a second fireproof layer 221 and quartz sand 222, the quartz sand 222 is filled in the second fireproof layer 221, a second filling cavity 2211 is formed in the second fireproof layer 221, the second fireproof layer 221 is matched with an embedded groove 2112, the bottom of the second fireproof layer 221 is of an arc-shaped structure, the bottom of the second fireproof layer 221 is matched with the periphery of a cable core 12, and the first fireproof layer 211 and the second fireproof layer 221 are not interfered with each other through embedded separation of splicing installation, relative to an external fire source, a state to be extinguished of the cable core 12 is always kept, when the cable core 12 is on fire, after the second fireproof layer 221 is burnt and dissolved, the quartz sand 222 covers the ignition point, so that both the internal ignition point and the external ignition point can be considered simultaneously, and extinguishing operation can be performed.
In summary, the following steps: the utility model provides an irradiation low smoke and zero halogen fireproof cable, including cable body 1 and fireproof mechanism 2, fireproof mechanism 2 sets up in cable body 1's inside, be a component that the halogen-free material was made through insulating inoxidizing coating 11, improve the fire resistance of cable, reduce the smoke volume when burning, when the cable started catching fire from the external world, the periphery through first flame retardant coating 211 is a circular-arc structure, and the periphery of first flame retardant coating 211 is identical with the inner wall of insulating inoxidizing coating 11, the inside packing of first flame retardant coating 211 has fire prevention gas 212, and fire prevention gas 212 is a component that heptafluoropropane made, when burning and dissolving first flame retardant coating 211, fire prevention gas 212 will be outwards spout and put out a fire, improve the fire behavior of cable, when there are many ignition points when the cable external world, constitute embedded groove 2112 through matching between the adjacent first flame retardant coating 211, the second fireproof layer 221 is matched with the embedded groove 2112, so that the first fireproof layer 211 is relatively embedded and spliced with the cable body 1, when a fire point burns and dissolves the first fireproof layer 211 to enable the fireproof gas 212 to start fire extinguishing operation, the first fireproof components 21 at other places are in an independent operation waiting state, the phenomenon that the fireproof gas 212 is lost due to one fire point is avoided, the fire extinguishing effect on the cable is ensured, the second fireproof components 22 comprise the second fireproof layer 221 and quartz sand 222, the quartz sand 222 is filled in the second fireproof layer 221, the bottom of the second fireproof layer 221 is of an arc-shaped structure, the bottom of the second fireproof layer 221 is matched with the periphery of the cable core 12, the first fireproof layer 211 and the second fireproof layer 221 are not interfered with each other through the isolation of embedded splicing installation, and the fire source to the outside is kept in the fire extinguishing state of the cable core 12 all the time, when the cable core 12 catches fire, after the second fireproof layer 221 is melted, the quartz sand 222 covers the fire point, so that the fire point can be considered at the same time inside and outside, and the fire extinguishing operation can be carried out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an irradiation low smoke and zero halogen fire resisting cable, includes cable body (1) and fire prevention mechanism (2), fire prevention mechanism (2) set up the inside at cable body (1), its characterized in that: the cable body (1) comprises an insulating protective layer (11) and a cable core (12), the cable core (12) is positioned inside the insulating protective layer (11), and the cable core (12) is connected with the insulating protective layer (11) through a fireproof mechanism (2);
the fire-proof mechanism (2) comprises a first fire-proof component (21) and a second fire-proof component (22), and the second fire-proof component (22) is arranged on the periphery of the first fire-proof component (21).
2. The irradiation low smoke zero halogen fire resistant cable of claim 1, characterized in that: the insulating protective layer (11) is a component made of halogen-free materials, and the inner wall of the insulating protective layer (11) is attached to the periphery of the second fireproof component (22).
3. The irradiation low smoke zero halogen fire resistant cable of claim 1, characterized in that: the first fireproof assembly (21) comprises a first fireproof layer (211) and fireproof gas (212), the fireproof gas (212) is filled in the first fireproof layer (211), and the fireproof gas (212) is a component made of heptafluoropropane.
4. The irradiation low smoke zero halogen fire resistant cable of claim 3, characterized in that: first flame retardant coating (211) are including first filling cavity (2111) and embedded groove (2112), and first filling cavity (2111) has been seted up to the inside of first flame retardant coating (211), and cooperate between adjacent first flame retardant coating (211) and constitute embedded groove (2112).
5. The irradiation low smoke zero halogen fire resistant cable of claim 3, characterized in that: the periphery of the first fireproof layer (211) is of an arc-shaped structure, and the periphery of the first fireproof layer (211) is matched with the inner wall of the insulating protective layer (11).
6. The irradiation low smoke zero halogen fire resistant cable of claim 1, characterized in that: the second fireproof assembly (22) comprises a second fireproof layer (221) and quartz sand (222), and the interior of the second fireproof layer (221) is filled with the quartz sand (222).
7. The irradiation low smoke zero halogen fire resistant cable of claim 6, characterized in that: and a second filling cavity (2211) is formed in the second fireproof layer (221), and the second fireproof layer (221) is matched with the embedded groove (2112).
8. The irradiation low smoke zero halogen fire resistant cable of claim 6, characterized in that: the bottom of the second fireproof layer (221) is of an arc-shaped structure, and the bottom of the second fireproof layer (221) is matched with the periphery of the cable core (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826284.3U CN213877658U (en) | 2020-11-27 | 2020-11-27 | Irradiation low-smoke halogen-free fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826284.3U CN213877658U (en) | 2020-11-27 | 2020-11-27 | Irradiation low-smoke halogen-free fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213877658U true CN213877658U (en) | 2021-08-03 |
Family
ID=77065278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022826284.3U Active CN213877658U (en) | 2020-11-27 | 2020-11-27 | Irradiation low-smoke halogen-free fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213877658U (en) |
-
2020
- 2020-11-27 CN CN202022826284.3U patent/CN213877658U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213877658U (en) | Irradiation low-smoke halogen-free fire-resistant cable | |
| CN210073420U (en) | Fire-resistant cable | |
| CN213815578U (en) | Fireproof cable | |
| CN202210179U (en) | Novel fire-resistant optical cable | |
| CN210156158U (en) | Flame-retardant fireproof environment-friendly cable for home decoration | |
| CN112164510A (en) | High-flame-retardant new energy automobile cable | |
| CN113871090B (en) | Halogen-free low-smoke high-flame-retardance power cable | |
| CN210667840U (en) | Flame-retardant control cable | |
| CN213483462U (en) | Fire-retardant fire-resistant type cable of oxygen barrier | |
| CN206210435U (en) | Fire-retardant fireproof cable | |
| CN113299430B (en) | Fire-fighting composite cable, manufacturing mold and manufacturing process | |
| CN101840747B (en) | Flexible fireproof layer flame-retardant and fire-resistant wire and cable | |
| CN212230131U (en) | Fire-resistant cable with high protection function | |
| CN210667882U (en) | Flame-retardant shielded cable | |
| CN203397739U (en) | Multifunctional isolation type flame resistant cable | |
| CN215496125U (en) | Energy-saving flame-retardant environment-friendly cable | |
| CN208752987U (en) | Crosslinking polyethylene insulated steel band armored low-smoke non-halogen flame-retardant A class fire-resisting cable | |
| CN220306021U (en) | Low smoke zero halogen fire-resistant power cable of concentric conductor | |
| CN214043190U (en) | Novel fireproof electric wire for wooden building | |
| CN217485108U (en) | Low-smoke low-halogen flame-retardant flexible fireproof high-shielding medium-voltage power cable | |
| CN205376202U (en) | Multicore branch type inside cable | |
| CN208689990U (en) | Long-life environmental-friendflame-retardant flame-retardant cable | |
| CN219180254U (en) | Low-smoke halogen-free flame-retardant fire-resistant wire cable | |
| CN210743659U (en) | Fire-resistant composite cable for smart power grids | |
| CN212847827U (en) | Flame-retardant cable for home decoration |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |