CN222281651U - Fireproof flame-retardant cable - Google Patents
Fireproof flame-retardant cable Download PDFInfo
- Publication number
- CN222281651U CN222281651U CN202323460384.9U CN202323460384U CN222281651U CN 222281651 U CN222281651 U CN 222281651U CN 202323460384 U CN202323460384 U CN 202323460384U CN 222281651 U CN222281651 U CN 222281651U
- Authority
- CN
- China
- Prior art keywords
- flame
- retardant
- layer
- cable
- fire
- 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
- 239000003063 flame retardant Substances 0.000 title claims abstract description 64
- 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 title claims abstract description 57
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 11
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims abstract description 11
- 239000011261 inert gas Substances 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 9
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 12
- 230000009970 fire resistant effect Effects 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 229910052736 halogen Inorganic materials 0.000 abstract description 5
- 150000002367 halogens Chemical class 0.000 abstract description 5
- 239000002341 toxic gas Substances 0.000 abstract description 5
- 239000002253 acid Substances 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 229910052760 oxygen Inorganic materials 0.000 abstract description 4
- 239000001301 oxygen Substances 0.000 abstract description 4
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000002265 prevention Effects 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 cables, in particular to a fireproof flame-retardant cable which comprises a conductor, wherein a wrapping mica tape is wrapped on the circumferential outer wall of the conductor, an insulating layer is arranged outside the wrapping mica tape, an isolation layer is arranged outside the insulating layer, and an inner liner is arranged outside the isolation layer. According to the utility model, the cable has a good flame-retardant effect, the cable is ensured to be free of halogen, toxic gas is not generated in the use process and careless combustion, the discharged acid gas is extremely small, the injury to personnel and instruments is reduced, meanwhile, carbon dioxide and inert gas are released after the first flame-retardant sleeve and the second flame-retardant sleeve are arranged on the inner side of the outer sheath, the inert gas can be pressed on the surface of the cable through the carbon dioxide gas, the surface of the cable is effectively isolated from air, the effect of isolating oxygen is achieved, and the fireproof flame retardance of the cable is effectively realized.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a fireproof flame-retardant cable.
Background
With the continuous expansion of the power information network, the demand of the power cable is also continuously expanded, and the cable is used as a bridge for transmitting power and information, and plays an important role in the transmission process. And the number of fires per year due to electricity is also great, wherein fires due to wires and cables are also one of the main reasons.
At present, in the use of power cables, because the flame retardant layer of the existing power cables is single, the flame retardant effect is poor, when the cables are short-circuited or meet fire, the fire is easy to expand further, so that the influence on the life and property safety of people is caused, and meanwhile, most of the existing power cables use polyvinyl chloride as an outer sheath, so that when the fire happens, the polyvinyl chloride is combusted to release a large amount of halogen-containing toxic gas, the smoke concentration is high, and the smoke is easy to inhale the human body to cause poisoning and choking death. Accordingly, there is a need for a flame retardant cable that solves the above problems.
Disclosure of utility model
Based on the above mentioned deficiencies of the prior art in the background art, the present utility model provides a fire-retardant cable for this purpose.
The utility model adopts the following technical scheme to overcome the technical problems, and specifically comprises the following steps:
The fireproof flame-retardant cable comprises a conductor, wherein a wrapped mica tape is wrapped on the circumferential outer wall of the conductor, and an insulating layer is arranged outside the wrapped mica tape;
The insulation layer is provided with an isolation layer outside, the isolation layer is provided with an inner liner outside, the outer wall of the inner liner is provided with an armor layer, and the outer part of the armor layer is provided with a flame-retardant assembly;
An outer sheath is arranged outside the flame-retardant assembly.
As a further scheme of the utility model, a filling layer is arranged in the isolation layer;
the filling material of the filling layer is a fire-resistant rope.
As a still further proposal of the utility model, the number of the conductors is five, and the five groups of conductors are distributed in a circular shape with equal distance inside the isolating layer.
As a still further aspect of the present utility model, a supporting member is provided at the center of the insulating layer, and the circumferential outer wall of the insulating layer is in contact with the circumferential outer wall of the supporting member.
As a still further aspect of the present utility model, the outer sheath is made of a low smoke halogen-free flame retardant material.
As a still further proposal of the utility model, the flame-retardant component comprises a second flame-retardant sleeve arranged on the circumferential outer wall of the armor layer, and the circumferential outer wall of the second flame-retardant sleeve is provided with a first flame-retardant sleeve;
A first cavity and a second cavity are respectively arranged in the first flame-retardant sleeve and the second flame-retardant sleeve;
the inside of the first cavity is filled with carbon dioxide gas, and the inside of the second cavity is filled with inert gas.
As a still further aspect of the present utility model, the isolation layer is made of braided copper wire tape.
As a still further aspect of the present utility model, the armor layer is made of a copper material.
Compared with the prior art, the cable has the advantages that the outer sheath of the outermost layer of the cable is made of the low-smoke halogen-free flame-retardant material, so that the whole cable has a good flame-retardant effect, the cable is free of halogen, toxic gas is not generated in the using process and carelessly combusted, the discharged acid gas is extremely small, the damage to personnel and instrument equipment is reduced, meanwhile, carbon dioxide and inert gas are released after the first flame-retardant sleeve and the second flame-retardant sleeve are broken, the inert gas can be pressed on the surface of the cable through the carbon dioxide gas, the surface of the cable is effectively isolated from air, the effect of isolating oxygen is achieved, and the cable is further effectively prevented from being flame-retarded.
Drawings
Fig. 1 is a schematic end sectional view of the present utility model.
Fig. 2 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.
FIG. 3 is a schematic diagram of the overall structure of the present utility model.
Fig. 4 is an enlarged schematic view of the structure of fig. 3B according to the present utility model.
In the figure, 1, an outer sheath; 2, a first flame-retardant sleeve, 3, a second flame-retardant sleeve, 4, an armor layer, 5, an inner liner layer, 6, an isolation layer, 7, a filling layer, 8, an insulating layer, 9, a wrapped mica tape, 10, a conductor, 11, a support piece, 12, a first cavity, 13 and a second cavity.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the patent and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be configured and operated in a particular orientation, and are therefore not to be construed as limiting the patent.
In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.
Referring to fig. 1 to 4, in an embodiment of the present utility model, a fireproof flame-retardant cable includes a conductor 10, a wrapped mica tape 9 is wrapped around the circumferential outer wall of the conductor 10, and an insulating layer 8 is disposed outside the wrapped mica tape 9;
the insulating layer 8 is externally provided with an isolation layer 6, the isolation layer 6 is externally provided with an inner liner 5, the outer wall of the inner liner 5 is provided with an armor layer 4, and the outer part of the armor layer 4 is provided with a flame-retardant component;
The exterior of the flame retardant assembly is provided with an outer jacket 1.
Preferably, the inner part of the isolation layer 6 is provided with a filling layer 7, and the filling material of the filling layer 7 is a fire-resistant rope.
Preferably, the number of conductors 10 is five, the five groups of conductors 10 being distributed in equidistant circular form inside the isolating layer 6.
Preferably, the center of the isolation layer 6 is provided with a support 11, and the circumferential outer wall of the insulation layer 8 is in contact with the circumferential outer wall of the support 11.
Preferably, the outer sheath 1 is made of a low-smoke halogen-free flame retardant material, and the outer sheath 1 of the outermost layer of the cable is made of the low-smoke halogen-free flame retardant material, so that the whole cable has a good flame retardant effect, the cable is ensured to contain no halogen, no toxic gas is generated in the use process and careless combustion, the discharged acid gas is extremely small, and the damage to personnel and instruments is reduced.
Preferably, the flame-retardant assembly comprises a second flame-retardant sleeve 3 arranged on the circumferential outer wall of the armor layer 4, and the circumferential outer wall of the second flame-retardant sleeve 3 is provided with a first flame-retardant sleeve 2;
The first cavity 12 and the second cavity 13 are respectively arranged in the first flame retardant sleeve 2 and the second flame retardant sleeve 3;
the inside of first cavity 12 is filled with carbon dioxide gas, and the inside of second cavity 13 is filled with inert gas, and when first fire-retardant cover 2 and the back of rupture of being heated of second fire-retardant cover 3, can release carbon dioxide and inert gas, can suppress inert gas on the surface of cable through carbon dioxide gas, effectually keep apart cable surface and air, can play the effect of isolated oxygen, and then effectually realized cable fire prevention fire-retardant.
Preferably, the isolating layer 6 is made of braided copper wire, so that the insulating layer 8 and the conductor 10 can be better contacted, and the increase of the electric field intensity on the surface of the conductor 10 caused by the non-smoothness on the surface of the conductor 10 is eliminated.
Preferably, the armour layer 4 is made of copper material, which not only gives the cable a good fire-resistant effect, but also gives it a certain bending capacity.
The cable has the working principle that the outer sheath 1 at the outermost layer of the cable is made of a low-smoke halogen-free flame-retardant material, so that the whole cable has a good flame-retardant effect, the cable is free of halogen, toxic gas is not generated in the use process and carelessly combusted, the discharged acid gas is extremely small, the harm to personnel and instrument equipment is reduced, meanwhile, carbon dioxide and inert gas can be released after the first flame-retardant sleeve 2 and the second flame-retardant sleeve 3 are broken, the inert gas can be pressed on the surface of the cable through the carbon dioxide gas, the surface of the cable is effectively isolated from air, the effect of isolating oxygen is achieved, and the cable is further effectively flame-retardant.
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 utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.
Claims (8)
1. A fireproof flame-retardant cable comprises a conductor (10), and is characterized in that a wrapping mica tape (9) is wrapped on the circumferential outer wall of the conductor (10), and an insulating layer (8) is arranged outside the wrapping mica tape (9);
The insulation layer (8) is externally provided with an isolation layer (6), the isolation layer (6) is externally provided with an inner liner (5), the outer wall of the inner liner (5) is provided with an armor layer (4), and the outer part of the armor layer (4) is provided with a flame-retardant component;
An outer sheath (1) is arranged outside the flame-retardant assembly.
2. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the inner part of the insulating layer (6) is provided with a filler layer (7);
the filling material of the filling layer (7) is a fire-resistant rope.
3. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the number of conductors (10) is five, the five groups of conductors (10) being distributed in equidistant circular form inside the insulating layer (6).
4. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the centre of the insulating layer (6) is provided with a support (11), the circumferential outer wall of the insulating layer (8) being in contact with the circumferential outer wall of the support (11).
5. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the outer sheath (1) is made of a low-smoke halogen-free flame-retardant material.
6. A fire-resistant flame-retardant cable according to claim 1, characterized in that the flame-retardant assembly comprises a second flame-retardant jacket (3) arranged on the circumferential outer wall of the armor layer (4), the circumferential outer wall of the second flame-retardant jacket (3) being provided with a first flame-retardant jacket (2);
A first cavity (12) and a second cavity (13) are respectively arranged in the first flame-retardant sleeve (2) and the second flame-retardant sleeve (3);
The inside of the first cavity (12) is filled with carbon dioxide gas, and the inside of the second cavity (13) is filled with inert gas.
7. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the insulating layer (6) is made of braided copper wire tape.
8. A fire-resistant and flame-retardant cable according to claim 1, characterized in that the armour layer (4) is made of copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323460384.9U CN222281651U (en) | 2023-12-19 | 2023-12-19 | Fireproof flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323460384.9U CN222281651U (en) | 2023-12-19 | 2023-12-19 | Fireproof flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222281651U true CN222281651U (en) | 2024-12-31 |
Family
ID=93950523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323460384.9U Active CN222281651U (en) | 2023-12-19 | 2023-12-19 | Fireproof flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222281651U (en) |
-
2023
- 2023-12-19 CN CN202323460384.9U patent/CN222281651U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |