CN218004416U - A-type flame-retardant B1-level cable - Google Patents
A-type flame-retardant B1-level cable Download PDFInfo
- Publication number
- CN218004416U CN218004416U CN202220537931.5U CN202220537931U CN218004416U CN 218004416 U CN218004416 U CN 218004416U CN 202220537931 U CN202220537931 U CN 202220537931U CN 218004416 U CN218004416 U CN 218004416U
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- Prior art keywords
- retardant
- fire
- cable
- flame
- fire prevention
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 61
- 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 37
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000002955 isolation Methods 0.000 claims abstract description 23
- 230000002265 prevention Effects 0.000 claims abstract description 23
- 239000004020 conductor Substances 0.000 claims abstract description 21
- 238000005253 cladding Methods 0.000 claims abstract description 9
- 229910052751 metal Inorganic materials 0.000 claims abstract description 8
- 239000002184 metal Substances 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 229920000573 polyethylene Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 239000000945 filler Substances 0.000 abstract description 5
- 239000000178 monomer Substances 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 47
- 238000002485 combustion reaction Methods 0.000 description 17
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 5
- 239000000347 magnesium hydroxide Substances 0.000 description 5
- 239000006087 Silane Coupling Agent Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- XZTOTRSSGPPNTB-UHFFFAOYSA-N phosphono dihydrogen phosphate;1,3,5-triazine-2,4,6-triamine Chemical compound NC1=NC(N)=NC(N)=N1.OP(O)(=O)OP(O)(O)=O XZTOTRSSGPPNTB-UHFFFAOYSA-N 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
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Abstract
The utility model discloses a class-A flame-retardant B1-level cable, which comprises a plurality of monomer wire cores, wherein each monomer wire core comprises an innermost conductor and an insulating layer coated outside the conductor; a plurality of single wire cores are wound and cabled through the arranged fireproof belt isolation layer after being annularly twisted, and high-flame-retardant filler is filled between the single wire cores and the fireproof belt isolation layer; the fire prevention area isolation layer outside still the cladding have the interior sheath of fire prevention, this the outside metal armor that still has the cladding of this the fire prevention interior sheath, the outside of this metal armor still cladding has fire-retardant and fire prevention outer jacket. The utility model discloses a cable is for improving cable fire behaviour and B1 performance, and the material that has fire-retardant characteristic has all been adopted to high fire-retardant stopping, fire prevention area isolation layer, the interior sheath of fire prevention, fire-retardant and fire prevention outer jacket wherein, all produces minimum heat and smog when burning, plays the critical effect for whole fire behaviour and the improvement of resistant burning performance.
Description
Technical Field
The utility model relates to a high fire-retardant fireproof cable equipment field, specific fire-retardant B1 level cable of A class that says so.
Background
In the prior art, for example, in important public places such as schools, hospitals, subways and the like and in places with dense personnel, cables to be adopted must have high flame retardancy and fireproof performance, for example: publication (bulletin) No.: CN211045115U patent document discloses "an ultra a-class halogen-free low-smoke flame-retardant low-voltage power cable passing B1-level combustion test", which is composed of a main wire core and a filler rope and has good flame-retardant and fireproof performances.
However, for class a class B1 cables, it is also necessary to have a low heat release amount and a low release rate during combustion, and to control the amount of smoke generated during combustion and the growth rate of combustion; in addition, the class A flame retardant test is passed.
Therefore, there is a need to develop a class a flame retardant B1 cable that can better control heat release and control smoke combustion and can pass class a flame retardant tests.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire-retardant B1 level cable of A class to the not enough of prior art existence, has the fire-resistant assurance of inside and outside bilayer.
The technical scheme is as follows: the utility model provides a technical scheme that the problem adopted does: a class-A flame-retardant B1-level cable comprises a plurality of single wire cores, wherein each single wire core respectively comprises an innermost conductor and an insulating layer coated outside the conductor; a plurality of single wire cores are annularly twisted and then wrapped into a cable through the arranged fireproof belt isolation layer, and high-flame-retardant filling materials are filled between the single wire cores and the fireproof belt isolation layer; the fireproof belt isolation layer is further coated with a fireproof inner protection layer, the fireproof inner protection layer is further coated with a metal armor layer, and the metal armor layer is further coated with a flame-retardant fireproof outer protection layer.
Furthermore, the number of the single wire cores is five.
Further, the conductor of the single wire core is provided with a copper conductor or an aluminum conductor; the insulating layer is a polyethylene insulating layer or a cross-linked polyethylene insulating layer or a low-smoke halogen-free insulating layer or a polyvinyl chloride insulating layer.
Further, the material of the high flame-retardant filling material is arranged into an inorganic filling rope; the material of the fire-proof belt isolation layer is a glass fiber woven mesh belt; the material of the fireproof inner protection layer is high-flame-retardant low-smoke halogen-free flame-retardant polyolefin containing melamine pyrophosphate, and aluminum hydroxide and magnesium hydroxide powder are added in the material of the inner protection layer, so that the fireproof inner protection layer can play a role in flame retardance and moisture release in the combustion process.
Furthermore, the flame-retardant and fireproof outer protection layer is made of a silane coupling agent, aluminum hydroxide and magnesium hydroxide mixture.
Has the advantages that: compared with the prior art, the utility model, have following advantage:
(1) The material of the conductor and the insulating layer of the utility model can be selected according to the relevant standard requirements of the electric wire and the cable, and the conductor material is selected to be copper or aluminum; the material of the insulating layer is polyethylene hydrocarbon or cross-linked polyethylene or low-smoke halogen-free or polyvinyl chloride.
(2) All materials used by the cable of the utility model have the environmental protection function, and no harmful substances are generated during combustion;
(3) In order to improve the flame retardant property and the B1 property of the cable, the high flame retardant filler, the fireproof belt isolation layer, the fireproof inner protection layer, the flame retardant and fireproof outer protection layer all adopt materials with flame retardant property, and generate extremely small heat and smoke during combustion, thereby playing a critical role in improving the overall flame retardant property and the combustion resistance;
(4) The flame-retardant and fireproof outer protection layer adopts a flame-retardant and fireproof material, the flame retardance of silane coupling agent, aluminum hydroxide and magnesium hydroxide is increased in the sheath material according to a certain proportion, the flame-retardant property is improved, the coating effect on the flame retardant is achieved, a coke shell can be effectively formed in the combustion process, the flame is protected from entering the cable, and the flame-retardant property and the combustion resistance are improved;
(5) The utility model discloses a guarantee fire-retardant and resistant dual characteristic of burning, set up the fire prevention area isolation layer and prevent fires the inner sheath in cable inside, the fire prevention area isolation layer plays inside and outside oxygen and separates insulating effect, inside the effectual flame that prevents gets into the cable, and the inner sheath of preventing fires then plays the effect of cooling, can effectively release moisture in the combustion process, plays the effect that reduces the cable temperature, effectively improves the flame retardant efficiency and the resistant burning performance of cable.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1, a class a flame retardant B1 cable includes a plurality of single core wires, each single core wire includes an innermost conductor 1 and an insulating layer 2 covering the conductor 1; a plurality of monomer wire cores are wound and cabled through the arranged fireproof belt isolation layer 3 after being annularly twisted, and high flame retardant filler 4 is filled between the monomer wire cores and the fireproof belt isolation layer 3; 3 outsides of fireproof strip isolation layer still have the cladding of the interior sheath of fire prevention 5, and this 5 outsides of the interior sheath of fire prevention have metal armor layer 6, and the outside of this metal armor layer 6 still cladding has fire-retardant and fire prevention outer jacket 7.
The number of the single wire cores is five; the conductor 1 of the single wire core is provided with a copper conductor or an aluminum conductor; the insulating layer 2 is a polyethylene insulating layer or a cross-linked polyethylene insulating layer or a low-smoke halogen-free insulating layer or a polyvinyl chloride insulating layer. The material of the high flame-retardant filler 4 is an inorganic filling rope; the material of the fire-proof belt isolation layer is a glass fiber woven mesh belt; the material of the fireproof inner protection layer 5 is high-flame-retardant low-smoke halogen-free flame-retardant polyolefin containing melamine pyrophosphate, and aluminum hydroxide and magnesium hydroxide powder are added in the inner protection layer, so that the fireproof inner protection layer has the functions of flame retardance and moisture release in the combustion process.
The flame-retardant and fireproof outer protective layer 7 is made of a silane coupling agent, aluminum hydroxide and magnesium hydroxide mixture.
The material of the conductor and the insulating layer of the utility model can be selected according to the relevant standard requirements of the electric wire and the cable, and the conductor material is selected to be copper or aluminum; the insulating layer is made of polyethylene or cross-linked polyethylene or low-smoke halogen-free or polyvinyl chloride; the utility model discloses a whole materials that the cable used all have environmental protection, do not produce harmful substance when burning.
The utility model discloses a cable is for improving cable fire behaviour and B1 performance, and the material that has fire-retardant characteristic has all been adopted to interior sheath of high fire-retardant stopping, fire prevention area isolation layer, fire prevention wherein, fire-retardant and fire prevention outer jacket, all produces minimum heat and smog when burning, plays critical effect for whole fire behaviour and the improvement of resistant burning performance.
The utility model discloses a fire-retardant and fire prevention outer jacket has adopted fire-retardant and fire prevention type material, has increased silane coupling agent, aluminium hydroxide, the magnesium hydrate fire resistance of certain proportion in the sheath material, is used for improving fire-retardant characteristic to and the cladding effect of fire retardant, can effectively form the burnt shell in the combustion process, inside protection flame did not get into the cable, improved fire behavior and fire resistance ability.
The utility model discloses a guarantee fire-retardant and resistant dual characteristic of burning, set up the fire prevention area isolation layer and prevent fires the inner sheath in cable inside, the fire prevention area isolation layer plays inside and outside oxygen and separates insulating effect, inside the effectual flame that prevents gets into the cable, and the inner sheath of preventing fires then plays the effect of cooling, can effectively release moisture in the combustion process, plays the effect that reduces the cable temperature, effectively improves the flame retardant efficiency and the resistant burning performance of cable.
The utility model discloses a cable obtains following data conclusion after experimental:
1) Low total heat release: the total heat release amount of the product is not more than 15mMJ within 1200 seconds of combustion;
2) Low heat release rate: the maximum peak value is not more than 30kW;
3) And the total amount of the produced smoke is low: the total amount of smoke produced in 1200S is not more than 50m 2 ；
4) Low burn growth rate: the maximum burn growth rate index is not greater than 100W/s;
5) And the peak value of the smoke generation rate is low: maximum peak value of not more than 0.20m 2 /s；
6) Class a bundled combustion: the burning distance is not more than 2.0m.
The utility model discloses can be used to have the occasion of fire prevention requirement and high flame retardant requirement, like important public places such as school, hospital, subway and the intensive place of personnel, the utility model discloses have lower heat release amount and heat release rate, lower product cigarette total amount and extremely low burning increase rate when burning, the cable can release moisture in the conflagration and carry out the self-cooling, plays effectual inhibiting action to stretching of conflagration, secondly still has extremely high flame retardant property to through A class flame retardant test.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.
Claims (4)
1. A fire-retardant B1 level cable of A class which characterized in that: the cable comprises a plurality of single wire cores, wherein each single wire core comprises an innermost conductor (1) and an insulating layer (2) coated outside the conductor (1); a plurality of single wire cores are wound and cabled through the arranged fireproof belt isolation layer (3) after being annularly twisted, and high-flame-retardant filling materials (4) are filled between the single wire cores and the fireproof belt isolation layer (3); fireproof belt isolation layer (3) outside still the cladding have fire prevention inner sheath (5), this fire prevention inner sheath (5) outside still the cladding have metal armor (6), the outside of this metal armor (6) still the cladding have fire-retardant and fire prevention outer jacket (7).
2. The class a flame retardant B1 cable of claim 1, wherein: the number of the single wire cores is five.
3. The class a flame retardant B1 cable of claim 2, wherein: the conductor (1) of the single wire core is provided with a copper conductor or an aluminum conductor; the insulating layer (2) is a polyethylene hydrocarbon insulating layer or a cross-linked polyethylene insulating layer or a low-smoke halogen-free insulating layer or a polyvinyl chloride insulating layer.
4. The class a flame retardant B1 cable of claim 1, wherein: the high flame-retardant filling material (4) is an inorganic filling rope; the fire-proof belt isolation layer (3) is a glass fiber woven mesh belt isolation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220537931.5U CN218004416U (en) | 2022-03-10 | 2022-03-10 | A-type flame-retardant B1-level cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220537931.5U CN218004416U (en) | 2022-03-10 | 2022-03-10 | A-type flame-retardant B1-level cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218004416U true CN218004416U (en) | 2022-12-09 |
Family
ID=84287870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220537931.5U Active CN218004416U (en) | 2022-03-10 | 2022-03-10 | A-type flame-retardant B1-level cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218004416U (en) |
-
2022
- 2022-03-10 CN CN202220537931.5U patent/CN218004416U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Class A flame-retardant B1 cable Effective date of registration: 20230926 Granted publication date: 20221209 Pledgee: Yangzhou Branch of Zheshang Bank Co.,Ltd. Pledgor: JIANGSU TC SMART SYSTEMS GROUP Co.,Ltd. Registration number: Y2023980058847 |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No.2252, Shaling Road, Shatou, Jiangsu Province Patentee after: Jiangsu Tiancheng Intelligent Group Co.,Ltd. Country or region after: China Address before: No.2252, Shaling Road, Shatou, Jiangsu Province Patentee before: JIANGSU TC SMART SYSTEMS GROUP Co.,Ltd. Country or region before: China |