CN208240392U - A kind of fireproof cable - Google Patents
A kind of fireproof cable Download PDFInfo
- Publication number
- CN208240392U CN208240392U CN201820808508.8U CN201820808508U CN208240392U CN 208240392 U CN208240392 U CN 208240392U CN 201820808508 U CN201820808508 U CN 201820808508U CN 208240392 U CN208240392 U CN 208240392U
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- CN
- China
- Prior art keywords
- layer
- cable
- outside
- fire
- ceramic
- 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.)
- Expired - Fee Related
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 26
- 239000004020 conductor Substances 0.000 claims abstract description 18
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000012856 packing Methods 0.000 claims abstract description 10
- 238000009422 external insulation Methods 0.000 claims abstract description 9
- 239000012774 insulation material Substances 0.000 claims abstract description 9
- 229920000098 polyolefin Polymers 0.000 claims abstract description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 5
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 5
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 5
- 229910003978 SiClx Inorganic materials 0.000 claims abstract description 4
- 229920001971 elastomer Polymers 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 44
- 239000010445 mica Substances 0.000 claims description 28
- 229910052618 mica group Inorganic materials 0.000 claims description 28
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000002356 single layer 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
- -1 polyene Hydrocarbon Chemical class 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 abstract description 7
- 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 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 abstract description 3
- 238000000576 coating method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 3
- 235000019504 cigarettes Nutrition 0.000 abstract description 2
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a kind of fireproof cable, press the cable core being twisted into, the Ceramic silicon rubber band outside cable core and successively liner layer, metallic sheath and the oversheath outside coating ceramic SiClx rubber strip together with packing material including several cores.Packing material is ceramic halogen-free polyolefin.The inner insulating layer and external insulation layer that core includes conductor and is successively coated on outside conductor；Inner insulating layer uses inorganic mineral insulation material；External insulation layer uses crosslinked polyethylene insulation material.Liner layer is Ceramic silicon rubber；Metallic sheath is to be pressed into the aluminum alloy strip of S type curved surface in advance, and rotate and be coated on outside liner layer centered on cable core, forms one layer of self-locking armouring sheath；Oversheath uses halogen-free and low-smoke flame-retardant polyolefin, Halogen, low cigarette when cable fire, and the feature of environmental protection is high.The fireproof cable of the utility model has good fire-retardant, fire resistance, and cable run still is able to keep the normal operation of certain time after fire generation, guarantees fire line road transport row.
Description
Technical field
The utility model relates to a kind of fireproof cables.
Background technique
The Fire lift of fire-fighting system, fire alarm, emergency lighting high temperature applicationss and the side such as require ultra-safe facility
Fireproof cable used in the power supply line in face, should meet petroleum, chemical industry, metallurgy, fire-fighting, medical treatment and other to fire protection requirement
The fire protection requirement in the fields such as higher basis, civilian installation.Currently, since the fire that electrical cause causes occupies whole fire
Significant fraction.With social high speed development, the power supply safety of critical facility is more and more important.Therefore, wire and cable is improved
Fire protecting performance guarantees critical facility normal use in the event of a fire, and racing against time for fire-fighting rescue seems and more attach most importance to
It wants.
Utility model content
A kind of fireproof cable is provided the purpose of the utility model is to overcome the defect of the prior art, it has good
Fire-retardant, fire resistance, cable run still is able to keep the normal operation of certain time after fire generation, guarantees fire line road transport
Row, brings help to rescue work.
Purpose of the utility model is realized as follows: a kind of fireproof cable, the line of cable center is placed in including several
Core, several cores press together with packing material is twisted into round cable core；
The inner insulating layer and external insulation layer that the core includes conductor and is successively coated on outside conductor；
The fireproof cable further include: the Ceramic silicon rubber band outside the cable core；It is extruded in the ceramic
Liner layer outside silicone rubber belt；Coat the metallic sheath of the liner layer；Coat the oversheath of the metallic sheath；Wherein,
The inner insulating layer uses inorganic mineral insulation material；
The external insulation layer uses crosslinked polyethylene insulation material；
The packing material is ceramic halogen-free polyolefin；
The single-layer ceramic SiClx rubber strip that the Ceramic silicon rubber band uses with a thickness of 0.4~0.6mm, and to be not less than
15% Duplication is around being wrapped in outside the cable core；
The liner layer is not less than the Ceramic silicon rubber of 1.0mm using thickness；
The metallic sheath is to be pressed into the aluminum alloy strip of S type curved surface in advance, and rotate and be coated on outside liner layer centered on cable core,
Form one layer of self-locking armouring sheath.
Above-mentioned fireproof cable, wherein the conductor is twisted into circle by more annealed copper wires.
Above-mentioned fireproof cable, wherein the inner insulating layer is the single-side reinforced calcinated type of 0.12mm by four thickness degree
Mica tape is constituted, and the mica of the mica tape of innermost layer faces outwardly, and the mica of the mica tape of secondary internal layer faces interior, the mica of secondary outer layer
The mica of band faces outwardly, in the mica of outermost mica tape faces, four stratus master tapes with the Duplication not less than 40% around
It is wrapped in outside the conductor.
Above-mentioned fireproof cable, wherein the oversheath uses halogen-free and low-smoke flame-retardant polyolefin.
The fireproof cable of the utility model, using the mineral insulation package conductor with oxygen barrier fire insulation, and with
The aluminum alloy strip lock armo for being pressed into S type curved surface in advance substitutes the metallic sheath of existing drawing copper tubes and the welding of copper strips longitudinal wrap, makes electricity
The flexibility of cable greatly improves, flexible, facilitates installation, also using Ceramic silicon rubber as liner layer, ceramic Halogen polyene
Hydrocarbon is as stranding packing material, so that cable can form rapidly hard armour body in the case where encountering fire or high temperature, thus
Play the role of good fire-retardant, fire insulation, in the case of fire, cable run still is able to keep the normal operation of certain time,
Guarantee fire line road transport row, brings help to rescue work.
Detailed description of the invention
Fig. 1 is the sectional view of the fireproof cable of the utility model.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail.
Referring to Fig. 1, the fireproof cable of the utility model, the core of cable center, several cores are placed in including several
Press together with packing material 4 and is twisted into round cable core.
Fireproof cable further includes Ceramic silicon rubber band 5 outside cable core, is extruded in outside Ceramic silicon rubber band 5
Liner layer 6, the metallic sheath 7 for coating liner layer 6 and the oversheath 8 for coating metallic sheath 7；Wherein,
The inner insulating layer 2 and external insulation layer 3 that core includes conductor 1 and is successively coated on outside conductor 1；
Conductor 1 is twisted into circle by more annealed copper wires；
Inner insulating layer 2 uses inorganic mineral insulation material, which is to be by four thickness degree
The single-side reinforced calcinated type mica tape of 0.12mm is constituted, and the mica of the mica tape of innermost layer faces outwardly, the mica tape of secondary internal layer
In mica faces, the mica of the mica tape of secondary outer layer is faced outwardly, and in the mica of outermost mica tape faces, four stratus master tapes are equal
With the Duplication not less than 40% around being wrapped in outside conductor 1；
External insulation layer 3 is using crosslinked polyethylene insulation material and is extruded in outside inner insulating layer 2；
Packing material 4 is ceramic halogen-free polyolefin and is extruded in the gap of more cores；
The single-layer ceramic SiClx rubber strip that Ceramic silicon rubber band 5 uses with a thickness of 0.4~0.6mm, and to be not less than
15% Duplication is around being wrapped in outside the cable core；
Liner layer 6 is not less than the Ceramic silicon rubber of 1.0mm using thickness；
Metallic sheath 7 is the aluminum alloy strip for being pressed into S type curved surface in advance, and is rotated and be coated on outside liner layer 6 centered on cable core, respectively
Section S type curved surface itself mutually fastens, and forms one layer of self-locking armouring sheath；
Oversheath 8 uses halogen-free and low-smoke flame-retardant polyolefin.
The fireproof cable of the utility model has the following characteristics that
1. using twisted copper conductors and the inside and outside insulating layer of relatively soft high fireproof environmental, and by metal tape lock armo
The metallic sheath for substituting existing drawing copper tubes and the welding of copper strips longitudinal wrap, greatly improves the flexibility of cable, flexible, facilitates peace
Dress, while the production technology of metal tape lock armo, not by length limitation, transition joint is less；
2. the refractory temperature grade of the inner insulating layer of conductor is high, reach 950~1000 DEG C, therefore the function with oxygen barrier fire insulation
Energy；
3. the external insulation layer using crosslinked polyethylene insulation material as conductor can effectively solve former fireproof cable insulation
The defect of moisture-sensitive；
4. liner layer uses Ceramic silicon rubber, has the function of heated " crust ", can effectively solve mica tape and be heated into
The defect of shed powder；
5. the ceramic high polymer that packing material uses, it may have the effect of heated " crust ", it can be with effective protection cable
Ontology；
6. oversheath uses halogen-free and low-smoke flame-retardant polyolefin, Halogen, low cigarette when cable fire, the feature of environmental protection is high.
The fireproof cable of the utility model, all material are all made of environment-friendly materials, do not generate pollution to environment.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff can also make various transformation or modification in the case where not departing from the spirit and scope of the utility model, because
This all equivalent technical solution also should belong to the scope of the utility model, should be limited by each claim.
Claims (4)
1. a kind of fireproof cable, the core of cable center is placed in including several, several cores press strand together with packing material
Synthesize round cable core, which is characterized in that
The inner insulating layer and external insulation layer that the core includes conductor and is successively coated on outside conductor；
The fireproof cable further include:
Ceramic silicon rubber band outside the cable core；
The liner layer being extruded in outside the Ceramic silicon rubber band；
Coat the metallic sheath of the liner layer；
Coat the oversheath of the metallic sheath；The inner insulating layer uses inorganic mineral insulation material；
The external insulation layer uses crosslinked polyethylene insulation material；
The packing material is ceramic halogen-free polyolefin；
The single-layer ceramic SiClx rubber strip that the Ceramic silicon rubber band uses with a thickness of 0.4~0.6mm, and to be not less than 15%
Duplication around being wrapped in outside the cable core；
The liner layer is not less than the Ceramic silicon rubber of 1.0mm using thickness；
The metallic sheath is to be pressed into the aluminum alloy strip of S type curved surface in advance, and rotate and be coated on outside liner layer centered on cable core, is formed
One layer of self-locking armouring sheath.
2. fireproof cable according to claim 1, which is characterized in that the conductor is twisted into circle by more annealed copper wires
Shape.
3. fireproof cable according to claim 1, which is characterized in that the inner insulating layer is 0.12mm by four thickness degree
Single-side reinforced calcinated type mica tape constitute, the mica of the mica tape of innermost layer faces outwardly, the mica face of the mica tape of secondary internal layer
Inwardly, the mica of the mica tape of secondary outer layer faces outwardly, and in the mica of outermost mica tape faces, four stratus master tapes are not with small
In 40% Duplication around being wrapped in outside the conductor.
4. fireproof cable according to claim 1, which is characterized in that the oversheath uses LSOH anti-flaming polyene
Hydrocarbon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808508.8U CN208240392U (en) | 2018-05-28 | 2018-05-28 | A kind of fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820808508.8U CN208240392U (en) | 2018-05-28 | 2018-05-28 | A kind of fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240392U true CN208240392U (en) | 2018-12-14 |
Family
ID=64575134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820808508.8U Expired - Fee Related CN208240392U (en) | 2018-05-28 | 2018-05-28 | A kind of fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240392U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017821A (en) * | 2019-05-29 | 2020-12-01 | 国网河南省电力公司桐柏县供电公司 | Fire-resistant cable |
| CN113035431A (en) * | 2021-03-02 | 2021-06-25 | 郑缆科技股份有限公司 | High-stability environment-friendly fireproof cable |
-
2018
- 2018-05-28 CN CN201820808508.8U patent/CN208240392U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017821A (en) * | 2019-05-29 | 2020-12-01 | 国网河南省电力公司桐柏县供电公司 | Fire-resistant cable |
| CN113035431A (en) * | 2021-03-02 | 2021-06-25 | 郑缆科技股份有限公司 | High-stability environment-friendly fireproof cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181214 |