CN213781623U - Novel low-smoke halogen-free flame-retardant fire-resistant computer cable - Google Patents
Novel low-smoke halogen-free flame-retardant fire-resistant computer cable Download PDFInfo
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- CN213781623U CN213781623U CN202023002724.XU CN202023002724U CN213781623U CN 213781623 U CN213781623 U CN 213781623U CN 202023002724 U CN202023002724 U CN 202023002724U CN 213781623 U CN213781623 U CN 213781623U
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- 239000000779 smoke Substances 0.000 title claims abstract description 39
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 28
- 239000003063 flame retardant Substances 0.000 title claims abstract description 20
- 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 description 11
- 229920000098 polyolefin Polymers 0.000 claims abstract description 25
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 18
- 150000002367 halogens Chemical class 0.000 claims abstract description 18
- 239000004020 conductor Substances 0.000 claims abstract description 10
- 239000000919 ceramic Substances 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 238000002844 melting Methods 0.000 abstract description 5
- 230000008018 melting Effects 0.000 abstract description 5
- 230000008054 signal transmission Effects 0.000 abstract description 4
- 238000010304 firing Methods 0.000 abstract description 3
- 230000001413 cellular effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 229910052573 porcelain Inorganic materials 0.000 abstract 2
- 230000003628 erosive effect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 206010063385 Intellectualisation Diseases 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the cable technique and specifically relates to a novel fire-retardant fire-resistant computer cable of low smoke and zero halogen, it is three including three cable core and stranding total screen layer the cable core is triangle-shaped and arranges, the cable core includes two conductors, the outside of conductor is equipped with low smoke and zero halogen pottery porcelain polyolefin insulating layer, be equipped with low smoke and zero halogen fire-retardant PP filling layer between cable core and the stranding total screen layer, the outside of stranding total screen layer is equipped with the stranding around the covering, the stranding is equipped with low smoke and zero halogen pottery porcelain polyolefin oversheath around the outside of covering. The utility model discloses meeting the fire and eroding the back can crust rapidly, not delaying to fire, not melting, not droing, the inside cellular micropore that forms of crust plays separates the fire and insulates against heat, has excellent fire resistance and fire resistance, and tensile strength is high, and insulating electrical properties is excellent, through the flame firing, after removing flame, flame almost immediately disappears on the film, does not produce any melting and drips simultaneously, and the compliance is good, and signal transmission interference killing feature is strong.
Description
Technical Field
The utility model relates to the technical field of cables, especially, relate to a novel fire-retardant fire-resistant computer cable of low smoke and zero halogen.
Background
With the continuous development of economic society in China, particularly the popularization of electronic equipment and the demand of informatization and intellectualization at present, computer cables are applied to large buildings, underground markets, luxurious commercial blocks, and the industries of electric power, metallurgy, chemical industry and the like which are continuously promoted by modernization and intellectualization, and are used for circuit connection between automatic control systems and instruments and meters which mainly use electronic computers. Traditional computer cable does not possess fire resistance or only adopts direct cladding refractory material of conductor, and cable insulation, packing, sheath etc. still are conventional material, and traditional computer cable is when meetting open fire, and itself is not fire-resistant or refractory material easily drops and does not play corresponding fire-resistant effect, can release a large amount of smog and toxic gas after itself burns simultaneously, is unfavorable for the expansion of fire rescue. In addition, in some special use occasions, for example, when the cable is used in a fire scene, the cable needs to provide certain normal working time under the fire like a distribution fire-resistant cable for fire protection and rescue, so as to ensure the operation of key instruments and equipment, and simultaneously provide corresponding signal transmission support for fire protection and rescue and the like. Aiming at the situation, the inventor designs and invents a novel low-smoke halogen-free flame-retardant fire-resistant computer cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a novel low-smoke halogen-free flame-retardant fire-resistant computer cable.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the design is a novel fire-retardant fire-resistant computer cable of low smoke and zero halogen, it is including three cable core and stranding total screen layer, three the cable core is triangle-shaped and arranges, the cable core includes two conductors, the outside of conductor is equipped with low smoke and zero halogen pottery polyolefin insulating layer, the outside of low smoke and zero halogen pottery polyolefin insulating layer is equipped with insulating branch screen layer, two insulating branch screen layer is contradicted each other, two the outside that insulating branch screen layer was equipped with the pair twist jointly around the screen layer, be equipped with the fire-retardant PP filling layer of low smoke and zero halogen between cable core and the stranding total screen layer, the outside of stranding total screen layer is equipped with stranding around the screen layer, stranding is equipped with low smoke and zero halogen pottery polyolefin oversheath around the outside of screen layer.
Preferably, the insulating split screen layer and the cabling total screen layer are coated with the electromagnetic shielding film by adopting flexible PE graphene.
Preferably, the pair-twisting wrapping layer and the cabling wrapping layer both adopt fire-resistant polyolefin fiber films.
The utility model provides a novel fire-retardant fire-resistant computer cable of low smoke and zero halogen, beneficial effect lies in: the low-smoke halogen-free ceramic polyolefin insulating layer 2 and the low-smoke halogen-free ceramic polyolefin outer sheath 8 which are arranged in the utility model adopt the low-smoke halogen-free ceramic polyolefin material, and the material can be quickly crusted after ablation in fire without flame delay, melting and falling off, cellular micropores are formed inside the crusted to play a role in fire insulation and heat insulation, and the low-smoke halogen-free ceramic polyolefin insulating layer has excellent fire resistance and fire resistance; the insulating electric property is more outstanding, the dielectric strength can reach more than 25KV/mm, and the volume resistivity reaches 2 multiplied by 1015Omega. mm; the production process is simple, and the material can be produced by a common low-smoke halogen-free extruder.
The utility model discloses also done the optimal design around covering 4 and stranding to the hank, adopted newest fire-resistant polyolefin fiber film around covering 7, fire-resistant polyolefin fiber film is formed by the production of fire-resistant additive and the mixed homogenization of polyolefin polymer, and tensile strength is high, and insulating electrical properties is excellent, through the flame firing, after removing flame, the flame disappears almost immediately on the film, does not produce any melting and drippage simultaneously.
The utility model discloses the compliance is good, and signal transmission interference killing feature is strong. The low-smoke halogen-free flame-retardant PP filling layer 5 has good soft filling effect and does not influence the overall hardness of the wire rod, and the fire-resistant effect of the cable can be further enhanced by matching with the low-smoke halogen-free ceramic polyolefin outer sheath 8; select for use flexible PE graphite alkene coating electromagnetic shield film, when guaranteeing traditional shielding effect, the composite construction of shielding film can also provide certain electrical property, and flexible PE graphite alkene coating electromagnetic shield film is soft collapsible, can make the cable softer, and it is more convenient to process use installation.
Drawings
Fig. 1 is a schematic view of a novel low-smoke halogen-free flame-retardant fire-resistant computer cable structure provided by the present invention;
fig. 2 is the utility model provides a cable core structure schematic diagram of fire-retardant fire-resistant computer cable of novel low smoke and zero halogen.
In the figure: the cable comprises a conductor 1, a low-smoke halogen-free ceramic polyolefin insulating layer 2, an insulating split screen layer 3, a pair-twisted wrapping layer 4, a low-smoke halogen-free flame-retardant PP filling layer 5, a cabling total screen layer 6, a cabling wrapping layer 7, a low-smoke halogen-free ceramic polyolefin outer sheath 8 and a cable core 9.
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.
Referring to fig. 1-2, a novel fire-retardant fire-resistant computer cable of low smoke and zero halogen, including three cable core 9 and stranding total screen layer 6, three cable core 9 is the triangle-shaped range, cable core 9 includes two conductors 1, the outside of conductor 1 is equipped with low smoke and zero halogen pottery polyolefin insulating layer 2, the outside of low smoke and zero halogen pottery polyolefin insulating layer 2 is equipped with insulating branch screen layer 3, insulating branch screen layer 3 and stranding total screen layer 6 all adopt flexible PE graphene coated electromagnetic shielding film, can guarantee wire rod rounding and improve the interference killing feature of computer cable signal transmission, in addition, flexible PE graphene coated electromagnetic shielding film is soft packing effect itself well and does not influence the holistic soft or hard degree of wire rod, cooperation fire-resistant band and fire-resistant insulating sheath material can further strengthen the fire-resistant effect of cable itself.
Two insulating screen layers 3 of dividing contradict each other, and two insulating screen layers 3's outside is equipped with pair twist jointly around covering 4, and pair twist all adopts fire-resistant polyolefin fiber film around covering 4 and stranding around covering 7, and this film is through the flame firing, after removing flame, and flame almost immediately disappears on the film, does not produce any melting and drippage simultaneously. On the other hand, the fire-resistant polyolefin fiber film has higher tensile strength and elongation at break, and ensures the tightness of the twisted and cabled coating.
Be equipped with low smoke and zero halogen fire-retardant PP filling layer 5 between cable core 9 and the cable assembly screen layer 6, the outside of cable assembly screen layer 6 is equipped with the cable and winds the covering 7, and the outside of cable assembly winding covering 7 is equipped with low smoke and zero halogen pottery polyolefin oversheath 8.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (3)
1. A novel low-smoke halogen-free flame-retardant fire-resistant computer cable comprises three cable cores (9) and a cabling total screen layer (6), it is characterized in that the three cable cores (9) are arranged in a triangular shape, the cable cores (9) comprise two conductors (1), the outer side of the conductor (1) is provided with a low-smoke halogen-free ceramic polyolefin insulating layer (2), the outer side of the low-smoke halogen-free ceramic polyolefin insulating layer (2) is provided with an insulating split screen layer (3), the two insulating split screen layers (3) are mutually abutted, the outer sides of the two insulating split screen layers (3) are jointly provided with a pair-twisted wrapping layer (4), a low-smoke halogen-free flame-retardant PP filling layer (5) is arranged between the cable core (9) and the cabling assembly screen layer (6), the outside of cabling total screen layer (6) is equipped with cabling around covering (7), the outside of cabling around covering (7) is equipped with low smoke and zero halogen pottery polyolefin oversheath (8).
2. The novel low-smoke halogen-free flame-retardant fire-resistant computer cable as claimed in claim 1, wherein the insulating split screen layer (3) and the cabling total screen layer (6) are made of flexible PE graphene coated electromagnetic shielding films.
3. The novel low-smoke halogen-free flame-retardant fire-resistant computer cable as claimed in claim 1, wherein the pair-twisted wrapping layer (4) and the cabled wrapping layer (7) both adopt fire-resistant polyolefin fiber films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002724.XU CN213781623U (en) | 2020-12-14 | 2020-12-14 | Novel low-smoke halogen-free flame-retardant fire-resistant computer cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023002724.XU CN213781623U (en) | 2020-12-14 | 2020-12-14 | Novel low-smoke halogen-free flame-retardant fire-resistant computer cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213781623U true CN213781623U (en) | 2021-07-23 |
Family
ID=76898601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023002724.XU Active CN213781623U (en) | 2020-12-14 | 2020-12-14 | Novel low-smoke halogen-free flame-retardant fire-resistant computer cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213781623U (en) |
-
2020
- 2020-12-14 CN CN202023002724.XU patent/CN213781623U/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 New Type of Low Smoke, Zero Halogen, Flame Retardant, and Fire Resistant Computer Cable Effective date of registration: 20230308 Granted publication date: 20210723 Pledgee: Bank of Shanghai Limited by Share Ltd. Pudong branch Pledgor: SHANGHAI MORN ELECTRIC EQUIPMENT Co.,Ltd. Registration number: Y2023310000051 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20210723 Pledgee: Bank of Shanghai Limited by Share Ltd. Pudong branch Pledgor: SHANGHAI MORN ELECTRIC EQUIPMENT Co.,Ltd. Registration number: Y2023310000051 |