CN219085709U - Flexible B1 flame-retardant fireproof cable - Google Patents
Flexible B1 flame-retardant fireproof cable Download PDFInfo
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- CN219085709U CN219085709U CN202222735879.7U CN202222735879U CN219085709U CN 219085709 U CN219085709 U CN 219085709U CN 202222735879 U CN202222735879 U CN 202222735879U CN 219085709 U CN219085709 U CN 219085709U
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- layer
- flame
- retardant
- cable
- flexible
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 42
- 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 40
- 239000004020 conductor Substances 0.000 claims abstract description 23
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 15
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 11
- 229910052802 copper Inorganic materials 0.000 claims abstract description 10
- 239000010949 copper Substances 0.000 claims abstract description 10
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 229920006124 polyolefin elastomer Polymers 0.000 claims abstract description 7
- 229920002725 thermoplastic elastomer Polymers 0.000 claims abstract description 7
- 230000009970 fire resistant effect Effects 0.000 claims description 8
- 239000011819 refractory material Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 11
- 238000005452 bending Methods 0.000 abstract description 8
- 239000011810 insulating material Substances 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a flexible B1 flame-retardant fireproof cable, which comprises a wire set, wherein a first wrapping band layer and a sheath layer are sequentially wrapped on the periphery of the wire set, a fireproof material is filled between the wire set and the wrapping band layer, the wire set is formed by twisting a plurality of wires, and the wires sequentially comprise a conductor layer, a second wrapping band layer and an insulating layer from inside to outside; the first wrapping band layer adopts a ceramic silicon rubber band and the sheath layer adopts a 125-DEG C low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve, so that the high-temperature environment at 650 ℃ and above can be resisted; the conductor layer copper wire is twisted by adopting a copper wire with the monofilament diameter less than or equal to 0.5mm, so that the softness of the cable can be improved; the insulating layer is made of a 125-DEG low-smoke halogen-free flame-retardant cross-linked polyolefin elastomer material, and the copper conductor is combined with the insulating material, so that the bending radius of the cable can be reduced, the flame retardant property is improved, and the cable has good flexibility, small bending radius and high flame retardant property.
Description
Technical Field
The utility model relates to the technical field of flame-retardant fireproof cables, in particular to a flexible B1 flame-retardant fireproof cable.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires. Is made of one or more mutually insulated conductors and an outer insulating protective layer, and is used for transmitting power or information from one place to another place. Typically rope-like cables formed by twisting several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a centre, the whole being covered with a highly insulating coating. The cable has an inner energized, outer insulated feature. The cables include power cables, control cables, compensation cables, shield cables, high temperature cables, computer cables, signal cables, coaxial cables, fire resistant cables, marine cables, mining cables, aluminum alloy cables, and the like. They are composed of single or multi-strand wires and insulating layers for connecting circuits, appliances, etc.
The diameter of a conductor copper wire monofilament of a conventional flame-retardant cable in the existing market is 1.78-2.24mm; the hardness of the insulating material is 95-98A; the oxygen index of the material is more than or equal to 42%, and the oxygen index of the low-smoke halogen-free material in the market is basically about 30-34%; and the oxygen index of the material is less than or equal to 27 percent, which belongs to inflammable materials. Therefore, the conventional flame-retardant cable in the market is hard, the bending radius of the cable is large, the flame retardant performance is poor (only can meet ZA/ZB/ZC in GB/T19666), the cable is not suitable for high-rise buildings, office buildings, hospitals and other personnel to use densely, short circuits occur easily when the cable is used for a long time, fire disaster is caused, and the market demand is not met.
Disclosure of Invention
In view of this, the present utility model aims to provide a flexible B1 flame retardant fire resistant cable.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a flexible B1 fire-retardant fireproof cable, includes wire group the wire group periphery parcel has first band layer and restrictive coating in proper order, it has refractory material to fill between wire group and the band layer, wire group is twisted by a plurality of wire and is formed, the wire is by interior to outside by conductor layer, second band layer and insulating layer constitution in proper order.
Preferably, the first wrapping band layer is a ceramic silicon rubber band.
Preferably, the sheath layer is a 125-DEG low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve.
Preferably, the refractory material is a high-temperature resistant flame-retardant PP rope.
Preferably, the conductor layer is formed by twisting a plurality of five tinned conductor copper wires, and the diameter of each copper wire monofilament is less than or equal to 0.5mm.
Preferably, the second cladding layer is an alloy-coated mica tape.
Preferably, the insulating layer is a 125-DEG low-smoke halogen-free flame-retardant crosslinked polyolefin elastomer rubber sleeve.
The utility model has the technical effects that: the first wrapping band layer adopts a ceramic silicon rubber band and the sheath layer adopts a 125-DEG C low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve, so that the high-temperature environment at 650 ℃ and above can be resisted; the conductor layer copper wire is twisted by adopting a copper wire with the monofilament diameter less than or equal to 0.5mm, so that the softness of the cable can be improved; the insulating layer is made of a 125-DEG low-smoke halogen-free flame-retardant cross-linked polyolefin elastomer material, and the copper conductor is combined with the insulating material, so that the bending radius of the cable can be reduced, the flame retardant property is improved, and the cable has good flexibility, small bending radius and high flame retardant property.
Drawings
FIG. 1 is a block diagram of a flexible B1 flame retardant fire resistant cable of the present utility model.
Detailed Description
The following detailed description of the utility model is provided in connection with the accompanying drawings to facilitate understanding and grasping of the technical scheme of the utility model.
In this embodiment, it should be understood that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "top", "right", "left", "upper", "back", "middle", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model.
In this embodiment, if not specifically described, the members may be connected or fixed by bolts, pins, or the like, which are commonly used in the prior art, and therefore, the details thereof will not be described in this embodiment.
The utility model provides a flexible B1 fire-retardant fireproof cable, shown in FIG. 1, includes wire group 1 periphery parcel has first band layer 2 and restrictive coating 3 in proper order, it has refractory material 4 to fill between wire group 1 and the band layer 2, wire group 1 is twisted by a plurality of wire 11 and is formed, wire 11 is from inside to outside by conductor layer 12, second band layer 13 and insulating layer 14 in proper order. The first wrapping band layer 2 is a ceramic silicon rubber band. Specifically, the ceramic silicon rubber tape wrapping ceramic silicon rubber is formed by rolling and compounding ceramic fireproof silicon rubber and high-temperature-resistant glass fiber cloth, the ceramic silicon rubber tape begins to harden under the flame or flameless condition at 650 ℃ or above, the maximum temperature can reach 3000 ℃, the ceramic silicon rubber tape is quickly sintered into a ceramic-shaped hard complete shell along with the rise of the temperature, the longer the burning time is, the higher the temperature is, the harder the shell is, the better the protection effect is played on a circuit by the hard shell after burning, and the smoothness of the circuit under the fire condition is ensured. The sheath layer 3 is a 125-DEG C low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve. Specifically, the low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer material with the temperature of 125 ℃ can meet the performance under the flame or flameless condition at the temperature of 650 ℃ and above. Along with the temperature rise, the ceramic-shaped hard complete shell is quickly sintered, the longer the burning time is, the higher the temperature is, the harder the shell is, the better the protection effect is played on the circuit by the hard shell after burning, and the smoothness of the circuit under the condition of fire is ensured. The refractory material 4 is a high-temperature-resistant flame-retardant PP rope. The conductor layer 12 is formed by twisting a plurality of five tinned conductor copper wires, and the diameter of each copper wire monofilament is less than or equal to 0.5mm. Specifically, five types of tinned conductor copper wires are adopted as the conductor types, the copper wires are twisted by adopting copper wires with the monofilament diameter less than or equal to 0.5mm, and the smaller the diameter of the conductor monofilament, the softer the cable. The second tape layer 13 is an alloy mica tape. Specifically, the coated alloy mica tape has flame-retardant and fireproof functions. The insulating layer 14 is a 125-DEG low-smoke halogen-free flame-retardant crosslinked polyolefin elastomer rubber sleeve. Specifically, a 125-DEG low-smoke halogen-free flame-retardant crosslinked polyolefin elastomer material is adopted, the hardness of the insulating material is 80A, and the combination of the copper conductor and the insulating material can lead the bending radius of the cable to be less than 6D, and the oxygen index of the material to be more than or equal to 42.
The utility model has the technical effects that: the first wrapping band layer adopts a ceramic silicon rubber band and the sheath layer adopts a 125-DEG C low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve, so that the high-temperature environment at 650 ℃ and above can be resisted; the conductor layer copper wire is twisted by adopting a copper wire with the monofilament diameter less than or equal to 0.5mm, so that the softness of the cable can be improved; the insulating layer is made of a 125-DEG low-smoke halogen-free flame-retardant cross-linked polyolefin elastomer material, and the copper conductor is combined with the insulating material, so that the bending radius of the cable can be reduced, the flame retardant property is improved, and the cable has good flexibility, small bending radius and high flame retardant property.
Of course, the above is only a typical example of the utility model, and other embodiments of the utility model are also possible, and all technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the utility model claimed.
Claims (5)
1. A flexible B1 flame retardant fire resistant cable, characterized in that: the high-temperature-resistant flame-retardant PP cable comprises a wire set, wherein a first wrapping belt layer and a sheath layer are sequentially wrapped on the periphery of the wire set, a refractory material is filled between the wire set and the wrapping belt layer, the wire set is formed by twisting a plurality of wires, the wires are sequentially composed of a conductor layer, a second wrapping belt layer and an insulating layer from inside to outside, the refractory material is a high-temperature-resistant flame-retardant PP cable, and the insulating layer is a 125-DEG low-smoke halogen-free flame-retardant crosslinked polyolefin elastomer rubber sleeve.
2. A flexible B1 flame retardant fire resistant cable according to claim 1, wherein: the first wrapping band layer is a ceramic silicon rubber band.
3. A flexible B1 flame retardant fire resistant cable according to claim 1, wherein: the sheath layer is a 125-DEG low-smoke halogen-free flame-retardant ceramic thermoplastic elastomer rubber sleeve.
4. A flexible B1 flame retardant fire resistant cable according to claim 1, wherein: the conductor layer is formed by twisting a plurality of five tinned conductor copper wires, and the diameter of each copper wire monofilament is less than or equal to 0.5mm.
5. A flexible B1 flame retardant fire resistant cable according to claim 1, wherein: the second wrapping band layer is an alloy-coated mica tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222735879.7U CN219085709U (en) | 2022-10-17 | 2022-10-17 | Flexible B1 flame-retardant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222735879.7U CN219085709U (en) | 2022-10-17 | 2022-10-17 | Flexible B1 flame-retardant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219085709U true CN219085709U (en) | 2023-05-26 |
Family
ID=86403831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222735879.7U Active CN219085709U (en) | 2022-10-17 | 2022-10-17 | Flexible B1 flame-retardant fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219085709U (en) |
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2022
- 2022-10-17 CN CN202222735879.7U patent/CN219085709U/en active Active
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