CN202940053U - Low-smoke halogen-free flame-retardant fireproof cable - Google Patents
Low-smoke halogen-free flame-retardant fireproof cable Download PDFInfo
- Publication number
- CN202940053U CN202940053U CN 201220604482 CN201220604482U CN202940053U CN 202940053 U CN202940053 U CN 202940053U CN 201220604482 CN201220604482 CN 201220604482 CN 201220604482 U CN201220604482 U CN 201220604482U CN 202940053 U CN202940053 U CN 202940053U
- Authority
- CN
- China
- Prior art keywords
- cable
- fire
- flame
- retardant
- oversheath
- 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
Images
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a low-smoke halogen-free flame-retardant fireproof cable. The cable comprises an outer sheath, and at least three cable cores and fillers which are arranged in the outer sheath, each cable core consists of leads and an insulating layer which wraps the periphery of the leads, all the cable cores and the fillers are intertwisted into a cylindrical shape and a flame0retardant layer wraps the periphery, an inner sheath, an armor layer, and an outer sheath are arranged in sequence from inside to outside in the periphery of the flame-retardant layer, and the inner side face of the outer sheath and the outer side face of the armor layer are tightly bonded. Thus, the cable has the characteristics of light specific gravity, good flame retardancy and fire resistance, and high mechanical strength, so that the cable itself does not burn, and even if flames burn on the cable, multiple precautionary measures ensure that no short circuit accidents are caused. And in the circumstance of burning of the flames, little smoke is generated, released gas is halogen-free and non-toxic, and harm to human bodies and the surrounding environment is little, ensuring safe use and service life of the cable.
Description
Technical field
The utility model relates to a kind of power transmission cable, specifically relates to a kind of low-smoke zero-halogen fire-resistant flame retardant cable.
Background technology
Along with science and technology and rapid development of economy, industrial and civilian industry requires more and more higher to the fire resistant flame retardant of cable, industry cables used such as the energy, petrochemical industry, metallurgy, electric power particularly, because the electric wiring of working under humidity or high temperature for a long time is more, cause cable short circuit and the probability of breaking out of fire is high, in case breaking out of fire, flame can spread along cable passage, fire is enlarged rapidly, produce the public hazards materials such as a large amount of dense smoke, dioxin, acid gas, bring great harm for the people's life and property.Also can generate simultaneously corrosivity pernicious gas (hydrogen halides), some equipment and building are caused corrosion.In order to improve the fail safe of electric wiring, the fire-retardant and fire-resistant problem of cable causes people's great attention.In recent years, the various cables with certain fire-resistant power after suitably improving on original cable basis have appearred, this class cable adopts the fire-resisting cable of magnesium oxide mineral insulation fire-resisting cable and Mica tape/plastics (rubber) compound inslation mostly, but the mineral insulated cable manufacturing cost is higher, and transportation, the mounting and installation difficulty is large; And the fire-resisting cable of mica tape class, hardness is large, and the non-constant of mechanical strength very easily causes mica tape broken in wrapped process, and even fracture so conveniently loses fire-resistant effect, and that gives the user has used of seat belts great hidden danger.For this reason, how improving ensure safety performance and used life, particularly fire resistant flame retardant performance of cable loop is the target that cable industry is pursued always.
The utility model content
The purpose of this utility model is to provide a kind of ductility, pliability, anti-flammability and fire resistance good, and Environmental Safety, the low-smoke zero-halogen fire-resistant flame retardant cable of long service life, can be reduced in the release of harmful substance under flame combustion, can guarantee again normally to move within the regular hour after cable fire.
For achieving the above object, the utility model is achieved through the following technical solutions: a kind of low smoke halogen-free fire retardant fire resistant cable, comprise oversheath and be located at oversheath interior cable core and inserts, described cable core has three at least, every cable core is comprised of the insulating barrier of wire and coated wire periphery, with all cable cores and inserts is twisted into cylindric and at its peripheral flame-retardant layer that coats, described flame-retardant layer periphery is disposed with inner sheath, armour and oversheath from inside to outside, and the lateral surface tight bond of the medial surface of oversheath and armour.
As preferred version, inner sheath described in the utility model is fire-resisting ceramic silicone rubber, and its thickness is between 0.2mm～0.5mm.
As preferred version, armour described in the utility model adopts the Stainless Steel silk braiding of diameter 0.02mm～0.5mm to consist of, and its count is greater than 75%.
The oversheath that described oversheath adopts fire-resistant low-smoke non-halogen flame-retardant polyurethane elastomer material to make.
As preferred version, inserts described in the utility model is the polycrystalline mullite fibre rope, and its diameter is 2.0mm～15mm.
As preferred version, the flame-retardant layer that flame-retardant layer described in the utility model adopts low-smoke halide-free fireproof composite polyolefine material to make, its thickness is 0.2mm～0.5mm.
compared with prior art, the beneficial effects of the utility model are that inner sheath adopts fire-resisting ceramic silicone rubber, armour adopts the Stainless Steel silk, oversheath adopts fire-resistant low-smoke non-halogen flame-retardant polyurethane elastomer material, make this cable have light specific gravity, anti-flammability and fire resistance are good, the characteristic that mechanical strength is high, and the armour pliability of stainless steel wire braiding is good, can be frequently crooked, fusion temperature is also higher, cable itself can not burnt, even flame combustion is on cable the time, flame-retardant layer and polycrystalline mullite fibre still play Pleiotropic Protections to cable core, the adjacent cable core problem that can not be short-circuited, therefore can not cause short circuit accident.And produce few smog in the flame combustion situation, the gas Halogen of release, nontoxic, less to the infringement of human body and surrounding environment, guaranteed that cable uses safety and useful life.In addition, the utility model also has simple in structure, is easy to processing, and with low cost, shield effectiveness is remarkable, and mounting and installation is advantage easily, and suitable household electricity also is fit to commercial power.
Description of drawings
Fig. 1 is cross section structure schematic diagram of the present utility model.
In figure: 1. oversheath, 2. armour, 3. inner sheath, 4. flame-retardant layer, 5. the cable heart, 6. insulating barrier, 7. wire, 8. inserts.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1, a kind of low smoke halogen-free fire retardant fire resistant cable comprises oversheath 1 and is located at cable core 5 and inserts 8 in oversheath 1 that particularly, cable core 5 has three at least, and every cable core 5 is comprised of the insulating barrier 6 of wire 7 and coated wire 7 peripheries.Further; the inserts 8 that is 2.0mm～15mm polycrystalline mullite fibre rope with all cable cores 5 and diameter is twisted into cylindric and coats flame-retardant layer 4 in its periphery; make cable core 5 play Pleiotropic Protections, therefore the problem that can not be short-circuited between cable core 5 can not cause short circuit accident.flame-retardant layer 4 in present embodiment adopts low-smoke halide-free fireproof composite polyolefine material to make, its thickness is 0.2mm～0.5mm, be disposed with from inside to outside inner sheath 3 in flame-retardant layer 4 peripheries, armour 2 and oversheath 1, inner sheath 3 is fire-resisting ceramic silicone rubber, its thickness is between 0.2mm～0.5mm, armour 2 adopts the Stainless Steel silk braiding of diameter 0.02mm～0.5mm to consist of, its count is greater than 75%, oversheath 1 adopts fire-resistant low-smoke non-halogen flame-retardant polyurethane elastomer material to make, and the lateral surface tight bond of the medial surface of oversheath 1 and armour 2.Make this cable have light specific gravity, anti-flammability and fire resistance are good, the characteristic that mechanical strength is high, and armour 2 pliabilities of stainless steel wire braiding are good, can be frequently crooked, and fusion temperature is also higher, and cable itself can not burnt.In addition, because oversheath 1 has advantages of low-smoke non-halogen flame-retardant, produce few smog in the flame combustion situation, the gas Halogen of release, nontoxic, less to the infringement of human body and surrounding environment, guaranteed that cable uses safety and useful life.
Claims (6)
1. low smoke halogen-free fire retardant fire resistant cable, comprise oversheath and be located at oversheath interior cable core and inserts, it is characterized in that: described cable core has three at least, every cable core is comprised of the insulating barrier of wire and coated wire periphery, with all cable cores and inserts is twisted into cylindric and at its peripheral flame-retardant layer that coats, described flame-retardant layer periphery is disposed with inner sheath, armour and oversheath from inside to outside, and the lateral surface tight bond of the medial surface of oversheath and armour.
2. low smoke halogen-free fire retardant fire resistant cable according to claim 1, it is characterized in that: described inner sheath is fire-resisting ceramic silicone rubber, and its thickness is between 0.2mm～0.5mm.
3. low smoke halogen-free fire retardant fire resistant cable according to claim 1 is characterized in that: described armour adopts the Stainless Steel silk braiding of diameter 0.02mm～0.5mm to consist of, and its count is greater than 75%.
4. low smoke halogen-free fire retardant fire resistant cable according to claim 1, is characterized in that: the oversheath that described oversheath adopts fire-resistant low-smoke non-halogen flame-retardant polyurethane elastomer material to make.
5. low smoke halogen-free fire retardant fire resistant cable according to claim 1, it is characterized in that: described inserts is the polycrystalline mullite fibre rope, its diameter is 2.0mm～15mm.
6. low smoke halogen-free fire retardant fire resistant cable according to claim 1 is characterized in that: the flame-retardant layer that described flame-retardant layer adopts low-smoke halide-free fireproof composite polyolefine material to make, its thickness is 0.2mm～0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604482 CN202940053U (en) | 2012-11-03 | 2012-11-03 | Low-smoke halogen-free flame-retardant fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604482 CN202940053U (en) | 2012-11-03 | 2012-11-03 | Low-smoke halogen-free flame-retardant fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940053U true CN202940053U (en) | 2013-05-15 |
Family
ID=48324278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604482 Expired - Fee Related CN202940053U (en) | 2012-11-03 | 2012-11-03 | Low-smoke halogen-free flame-retardant fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940053U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575787A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Novel wire cable |
-
2012
- 2012-11-03 CN CN 201220604482 patent/CN202940053U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104575787A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Novel wire cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202771839U (en) | Low-smoke halogen-free flame-retardant fire-resistant high-voltage power cable | |
| CN207704895U (en) | A kind of high flexibility fire prevention single-core cable with ceramic composite band | |
| CN207602250U (en) | A kind of metallic spacer flexible fire-proof cable | |
| CN213815578U (en) | Fireproof cable | |
| CN202940053U (en) | Low-smoke halogen-free flame-retardant fireproof cable | |
| CN207441331U (en) | A kind of fireproof metal shield controls cable | |
| CN206774295U (en) | A kind of A classes flame-retardant fire-resistant power cable | |
| CN101840747B (en) | Flexible fireproof layer flame-retardant and fire-resistant wire and cable | |
| CN201562468U (en) | Elastomer fire-retarding layer antiflaming fireproof electric wire | |
| CN208538511U (en) | A kind of fireproof cable | |
| CN207663817U (en) | A kind of power cable having excellent fire-retardancy | |
| CN205943549U (en) | Fire -retardant cable | |
| CN206134302U (en) | Environmental protection electric cable | |
| CN201886815U (en) | Insulated flame-resistant cable | |
| CN110634608A (en) | Fire-fighting flame-retardant B1-grade wire and cable and manufacturing method thereof | |
| CN205050612U (en) | Fire -resistant fire -retardant environmental protection electric wire of low smoke and zero halogen | |
| CN201877188U (en) | Fireproof cable | |
| CN203397751U (en) | Novel low smoke halogen-free flame retardant cable | |
| CN203013357U (en) | Low-smoke halogen-free five core fire-resisting cable | |
| CN203055529U (en) | LSOH class A flame-retardant cross-linked polyethylene rare earth high-ferro aluminium alloy power cable | |
| CN209641425U (en) | A kind of low-smoke low-halogen soft rubber cable | |
| CN214043115U (en) | Energy-saving strong-conductivity novel copper alloy fireproof wire cable | |
| CN214505090U (en) | Novel environment-friendly flame-retardant fire-resistant electric wire with long service life | |
| CN206003514U (en) | A kind of low-smoke non-halogen flame-retardant cable | |
| CN203192519U (en) | Fireproof low-smoke halogen-free armored power cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130515 Termination date: 20131103 |