CN201927392U - Flame-retardant cable - Google Patents
Flame-retardant cable Download PDFInfo
- Publication number
- CN201927392U CN201927392U CN2010202136179U CN201020213617U CN201927392U CN 201927392 U CN201927392 U CN 201927392U CN 2010202136179 U CN2010202136179 U CN 2010202136179U CN 201020213617 U CN201020213617 U CN 201020213617U CN 201927392 U CN201927392 U CN 201927392U
- Authority
- CN
- China
- Prior art keywords
- flame
- armouring
- layer
- metal
- retardant
- 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 belongs to the field of electric wires and cables and discloses a flame-retardant cable. The flame-retardant cable comprises at least one insulated wire core, a lapped covering layer, an inner sheath and a metal armor layer, wherein each insulated wire core is structurally composed of a conductor and an insulating layer, and the lapped covering layer, the inner sheath and the metal armor layer are distributed around the insulated wire core from inside to outside. The insulating materials utilized by the flame-retardant cable are flame-retardant cross-linked polyethylene materials, the sheath is made of low-smoke, halogen-free and flame-retardant materials, and the metal armor layer is in a chain armor structure. The cable manufactured according the technical scheme has excellent flame-retardant characteristic, A-level flame retarding and low-smoke and halogen-free effects can be achieved, and safety performance is higher. Compared with a low-smoke and halogen-free copper cable, the flame-retardant cable is more remarkable in technical and economic performances.
Description
Technical field
The utility model belongs to the electric wire field, is specifically related to flame retardant cable.
Background technology
Along with quickening of urbanization process, the fast development of electric power transmission and communication makes people more and more higher to the requirement of electric wire, not only requires cable to have the characteristics of safety and environmental protection, and has lower cost.
The employing that traditional cable is more inflammable non-environmental protection material, the most general with pvc material.When breaking out of fire, this class cable non-refractory is easy to burn and produce a large amount of smog, influences people's escape; These materials also contain halogen, and burning generates a large amount of stronger gas of toxicity, and human body is caused greatly injury, often are unfavorable for more that people escape, and have polluted environment; These gases combine with steam and form acidic materials, easily building are caused serious corrosion.In addition, the cause of a lot of event of fire is the second-time burnings that cause owing to cable fire, thereby causes the further expansion of fire incident, and smog that discharges during cable fire and poisonous gas influence people's escape, cause great personnel and property loss.
People reach the purpose of low-smoke non-halogen flame-retardant in order to realize cable, need higher cost could prepare the low-smoke halogen-free cable with splendid flame-retardant performance usually.
Summary of the invention
The desired purpose of the utility model provides the good and flame retardant cable cheaply of a kind of fire resistance.
The utility model adopts following technical scheme:
A kind of flame retardant cable, the structure that comprises the described insulated wire cores of at least one eradication edge core is made of conductor and the insulating barrier that from inside to outside wraps up conductor successively, also comprises around insulated wire cores according to the lapping layer of from inside to outside arranging successively, inner sheath, metal armouring layer.
In the technique scheme, insulating barrier adopts the flame-retardant crosslinking polyethylene material.Insulating barrier is flame-proof silicone hydride crosslinked, chemical crosslinking or IXPE material.Lapping layer is a fireproof glass silk fiber band.At least comprise that two thoroughly do away with the edge core, the gap between insulated wire cores is filled with the combustion-proof glass fiber rope.Be provided with inner sheath between lapping layer and the metal armouring layer, the code name that the selection of inner sheath material meets the GB/T12706-2008 requirement is ST
8Bittern-free flame-proof material.Described inner sheath material adopts low-smoke halide-free fireproof composite polyolefine material.The metal material that the metal armouring layer adopts is an aluminum or aluminum alloy.Before the used metal material armouring of metal armouring layer is banded structure, has certain width and thickness, before the used metal material armouring of metal armouring layer is banded structure, having certain width and thickness, is that 8.0～10.0mm, thickness are the metal tape of 0.35～0.45mm for external diameter before the armouring less than the employing width of 15.80mm; For external diameter before the armouring is that the employing width of 15.81mm～20.50mm is that 11.0～13.0mm, thickness are the metal tape of 0.46～0.6mm; The employing width that for external diameter before the armouring is 20.51mm～38.00mm is the metal tape of 0.61～0.75mm greater than 13.1～15.0mm, thickness; For external diameter before the armouring greater than the employing width of 38.00mm for being the metal tape of 0.76～0.9mm greater than 16.0mm, thickness.The structure of metal armouring layer is the self-locking sheathed structure, forms flange between armouring adjacent layer and the layer, can realize chain mutual button, and the tension that makes adjacent layer can bear 670N does not at least break away from easily, has the better seal effect.The profile of metal armouring layer is corrugated or wrinkle shape.The metal armouring layer is outer can to extrude one deck oversheath, and it is ST that sheath material adopts the code name that meets the GB/T12706-2008 requirement
8Bittern-free flame-proof material.Oversheath is selected low-smoke halide-free fireproof composite polyolefine material.
The utility model obtains following technique effect:
1. the insulating material of the utility model employing is the flame-retardant crosslinking polyethylene material, crosslinking method can be chemical crosslinking, crosslinked with silicane or IXPE material, cable after crosslinked makes cable drip phenomenon occur at the Shi Buhui that catches fire, in crosslinked polyethylene, add simultaneously fire retardant, make cable occur therefore can playing further fire retardation along the phenomenon of combustion at the Shi Buhui that catches fire.
2. the insulating material of the utility model employing is a crosslinked polyethylene, in order to realize better economy and technique effect, the utility model adopts flame-retardant organosilane cross-linked poly-ethylene, and by the polyethylene crosslinking that the crosslinked with silicane mode realizes, processing cost is lower and reach better technical effect.
3. the present invention is for the insulated wire cores that comprises more than two or two, in order to make the rounding property that keeps cable, slit between cable is filled, packing material adopts fire-retardant glass fibre gasket for packing, not only can play further enhancing flame retardant effect, packing material has certain rigidity, the impact energy that therefore can effectively dissipate when withstanding shocks, the reliability of increase cable.
4. the utility model extrudes one deck halogen-free low-smoke flame retardant material in the lapping layer outside, in order to realize the better economic technique effect, adopts the low-smoke halogen-free polyolefin material, and this restrictive coating plays fire retardation preferably.
5. the utility model is at the armoured layer of metal sheathed structure of inner sheath; this sheathed structure adopts interlock type armouring mode; detain mutually by flange realization interlock type between adjacent armour; the armouring profile is wrinkle or corrugated; this armouring metal material adopts aluminum or aluminum alloy; when catching fire; because this armouring mode, have the better seal effect, can stop ignite sheath below the armour of outside flame; the aluminum or aluminum alloy material has conductive force preferably; make the very fast loss of heat, simultaneously because wave structure has heat sinking function preferably; guaranteeing the inner restrictive coating that conducts to that heat can not be very fast, is that cable is realized fire-retardant good protection structure.Wave structure can also provide enough deformation spaces simultaneously, strengthens the impact resistance of cable.
6. the utility model cable outermost layer extrudes one deck oversheath, adopt and the same material of inner sheath, it can effectively stop external flame, can not make the cable second-time burning, when playing enhancing cable intensity, also make cable can be used for the more abominable place of fire-fighting condition.
7. the structure of the utility model metal armouring layer is the self-locking sheathed structure, form flange between armouring adjacent layer and the layer, can realize chain mutual button, make adjacent layer can bear the tension of 670N at least, do not break away from easily, have the better seal effect, cause spot fire thereby can effectively stop inner material to come off.
8. the utility model is because the selection and the structure Design of materials such as flame-retardant crosslinking polyethylene insulated, fire-retardant twining package tape, low-smoke non-halogen flame-retardant inner sheath, the chain armour of metal, low-smoke non-halogen flame-retardant oversheath, the cable that manufactures thus has excellent flame-retarding characteristic, can reach A level flame retardant effect, and effect with low smoke and zero halogen, has higher safety performance, more traditional low smoke and zero halogen copper cable cost is lower, and performance is more excellent.
Description of drawings
Fig. 1 does not have the no oversheath low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagram of filling for single core insulation core.
Fig. 2 is that three core insulation cores do not have the no oversheath low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagram of filling.
Fig. 3 does not have the no oversheath low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagram of filling for the four-core insulated wire cores.
Fig. 4 is that five core insulation cores do not have the no oversheath low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagram of filling.
Fig. 5 is that three core insulation cores do not have the low-smoke halogen-free inflaming-retarding cable of filling cross section structure schematic diagram.
Fig. 6 is that five core insulation cores do not have the low-smoke halogen-free inflaming-retarding cable of filling cross section structure schematic diagram.
Fig. 7 does not have oversheath low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagram for the four-core insulated wire cores.
Fig. 8 is five core insulation core low-smoke halogen-free inflaming-retarding cable cross section structure schematic diagrames.
Embodiment
A kind of flame retardant cable comprises at least one eradication edge core, and centers on insulated wire cores according to the lapping layer of from inside to outside arranging successively, inner sheath, metal armouring layer.
In the technique scheme, insulated wire cores comprises aluminium alloy conductor, and forms around the insulating barrier that aluminium alloy conductor is from inside to outside arranged successively.Insulating barrier adopts flame-retardant crosslinking polyethylene (as Shanghai lastization macromolecular material Co., Ltd production newly), preferred flame-retardant organosilane cross-linked poly-ethylene material (as Shanghai lastization macromolecular material Co., Ltd production newly).Lapping layer is fireproof glass silk fiber band (open reach Industrial Co., Ltd. as the Wuxi).At least comprise that two thoroughly do away with the edge core, for example can be 2,3,4,5,6,8,10,15, the gap between insulated wire cores is filled with combustion-proof glass fiber rope (as Tianjin gold seashore development in science and technology Co., Ltd).Be provided with inner sheath between inner cladding and the metal armouring layer, the inner sheath material is selected low-smoke halide-free fireproof composite polyolefine material (as Yixing Wangda Plastic Industry Co., Ltd.).It is ST that described inner sheath material adopts the code name that meets the GB/T12706-2008 requirement
8Bittern-free flame-proof material.The metal material that the metal armouring layer adopts is aluminium alloy (aluminium alloy of 5052H24 state, a Shanghai Pan Zhu company).Before the used metal material armouring of metal armouring layer is banded structure, has certain width and thickness, before the used metal material armouring of metal armouring layer is banded structure, having certain width and thickness, is that 8.0～10.0mm, thickness are the metal tape of 0.35～0.45mm for external diameter before the armouring less than the employing width of 15.80mm; For external diameter before the armouring is that the employing width of 15.81mm～20.50mm is that 11.0～13.0mm, thickness are the metal tape of 0.46～0.6mm; For external diameter before the armouring is that the employing width of 20.51mm～38.00mm is that 13.1～15.0mm, thickness are the metal tape of 0.61～0.75mm; For external diameter before the armouring greater than the employing width of 38.00mm for being the metal tape of 0.76～0.9mm greater than 16.0mm, thickness, for example width is 17.00mm.The structure of metal armouring layer is the self-locking sheathed structure, forms flange between armouring adjacent layer and the layer, can realize chain mutual button, and the tension that makes adjacent layer can bear 670N does not at least break away from easily.The profile of metal armouring layer is corrugated or wrinkle shape.The metal armouring layer is outer can to extrude one deck oversheath, and sheath material adopts the halogen-free flameproof jacket material preferentially to select low-smoke halide-free fireproof composite polyolefine material (Yixing Wangda Plastic Industry Co., Ltd.).Jacket material is that to meet the code name that GB/T12706-2008 requires be ST
8Bittern-free flame-proof material.
Referring to Fig. 1, a kind of flame retardant cable comprises 1 core, and every core is by conductor 1, and flame-retardant crosslinking polyethylene insulated 2 form, and are enclosed with glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5 around core from inside to outside successively.
Referring to Fig. 2, a kind of flame retardant cable comprises 3 cores, and every core is by conductor 1, and flame-retardant crosslinking polyethylene insulated 2 form, and are enclosed with glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5 around core from inside to outside successively.
Referring to Fig. 3, a kind of flame retardant cable comprises 4 cores, and every core is by conductor 1, and flame-retardant crosslinking polyethylene insulated 2 form, and are enclosed with glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5 around core from inside to outside successively.
Referring to Fig. 4, a kind of flame retardant cable comprises 5 cores, and every core is by conductor 1, and flame-retardant crosslinking polyethylene insulated 2 form, and are enclosed with glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5 around core from inside to outside successively.
Embodiment 6
Referring to Fig. 5, a kind of flame retardant cable comprises 3 cores, and every core is by conductor 1, and is flame-retardant crosslinking polyethylene insulated 2,, glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5, low smoke halogen-free flame-retardant polyolefin oversheath 6.
Embodiment 7
Referring to Fig. 6, a kind of flame retardant cable comprises 5 cores, and every core is by conductor 1, and is flame-retardant crosslinking polyethylene insulated 2, glass fiber band 3, low smoke halogen-free flame-retardant polyolefin inner sheath 4, aluminum alloy strip armouring 5, low smoke halogen-free flame-retardant polyolefin oversheath 6.
Embodiment 8
Referring to Fig. 7, a kind of flame retardant cable comprises 4 cores, every core is by conductor 1, and is flame-retardant crosslinking polyethylene insulated 2, is enclosed with glass fibre gasket for packing 3 around core from inside to outside successively, glass fiber band 4, low smoke halogen-free flame-retardant polyolefin inner sheath 5, aluminum alloy strip armouring 6.
A kind of flame retardant cable, comprise 5 cores, every core is by conductor 1, flame-retardant crosslinking polyethylene insulated 2, around core, be enclosed with glass fibre gasket for packing 3, glass fiber band 4, low smoke halogen-free flame-retardant polyolefin inner sheath 5 from inside to outside successively, aluminum alloy strip armouring 6, low smoke halogen-free flame-retardant polyolefin oversheath 7.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the unsubstantiality that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection range of the present utility model.
Claims (9)
1. flame retardant cable, it is characterized in that comprising at least one eradication edge core, the structure of described insulated wire cores is made of the insulating barrier of conductor and parcel conductor, also comprises around insulated wire cores according to the lapping layer of from inside to outside arranging successively, inner sheath, metal armouring layer.
2. flame retardant cable according to claim 1 is characterized in that insulating barrier adopts the flame-retardant crosslinking polyethylene material.
3. flame retardant cable according to claim 1 is characterized in that insulating barrier is the flame-retardant organosilane cross-linked poly-ethylene material.
4. flame retardant cable according to claim 1 is characterized in that comprising at least that two thoroughly do away with the edge core, and the gap between insulated wire cores can be filled with the combustion-proof glass fiber rope, the outer wrapped one deck twining package tape of insulated wire cores, and the material of lapping layer is a fireproof glass silk fiber band.
5. flame retardant cable according to claim 1 is characterized in that being before the used metal material armouring of metal armouring layer banded structure, is that 8.0～10.0mm, thickness are the metal tape of 0.35～0.45mm for external diameter before the armouring less than the employing width of 15.80mm; For external diameter before the armouring is that the employing width of 15.81mm～20.50mm is that 11.0～13.0mm, thickness are the metal tape of 0.46～0.6mm; The employing width that for external diameter before the armouring is 20.51mm～38.00mm is the metal tape of 0.61～0.75mm greater than 13.1～15.0mm, thickness; For external diameter before the armouring greater than the employing width of 38.00mm for being the metal tape of 0.76～0.9mm greater than 16.0mm, thickness.
6. flame retardant cable according to claim 1 or 5, it is characterized in that the metal material that the metal armouring layer adopts is an aluminum or aluminum alloy, the structure of metal armouring layer is the self-locking sheathed structure, form flange between armouring adjacent layer and the layer, can realize chain mutual button, the profile of metal armouring layer is corrugated or wrinkle shape.
7. flame retardant cable according to claim 1 is characterized in that extruding between twining package tape and the armour one deck inner sheath, and the code name that the selection of inner sheath material meets the GB/T12706-2008 requirement is ST
8Bittern-free flame-proof material.
8. flame retardant cable according to claim 1 is characterized in that can extruding one deck oversheath outside the metal armouring layer, and it is ST that jacket material adopts the code name that meets the GB/T12706-2008 requirement
8Bittern-free flame-proof material.
9. flame retardant cable according to claim 1 is characterized in that described inner sheath material adopts low-smoke halide-free fireproof composite polyolefine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202136179U CN201927392U (en) | 2010-06-03 | 2010-06-03 | Flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202136179U CN201927392U (en) | 2010-06-03 | 2010-06-03 | Flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927392U true CN201927392U (en) | 2011-08-10 |
Family
ID=44431229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202136179U Expired - Fee Related CN201927392U (en) | 2010-06-03 | 2010-06-03 | Flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927392U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035332A (en) * | 2012-12-20 | 2013-04-10 | 四川鑫电电缆有限公司 | Aluminum-alloy conductor environmental-friendly flame-retardant cable |
-
2010
- 2010-06-03 CN CN2010202136179U patent/CN201927392U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035332A (en) * | 2012-12-20 | 2013-04-10 | 四川鑫电电缆有限公司 | Aluminum-alloy conductor environmental-friendly flame-retardant cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201877143U (en) | Fire-resistant cable | |
| AU2013206638B2 (en) | Electrical cable resistant to fire, water and mechanical stresses | |
| CN203644445U (en) | Flame-retardant composite fireproof cable | |
| CN201174276Y (en) | Environment protection and security type fire resistant power cable | |
| CN206849578U (en) | Fire resistant flexible type railway signal cable | |
| CN104319004A (en) | Damp-proof corrosion-resistant inflaming-retarding electric power communication cable | |
| CN103646712B (en) | A kind of flame-retardant composite fireproof cable | |
| CN204760074U (en) | Super flexible fireproof cable of chain armor metal covering of mica insulation protection | |
| CN201204089Y (en) | Environment protection type composite insulated high temperature resistant flame-proof cable | |
| CN208622457U (en) | A kind of subway fire prevention signal cable | |
| CN205303048U (en) | High temperature resistant fireproof cable of using | |
| CN201489859U (en) | Halogen-free flame retardant control cable | |
| CN106409395A (en) | Marine light power cable and manufacturing method thereof | |
| CN201477924U (en) | Smoke and halogen-free noncombustible instrument cable | |
| CN201927392U (en) | Flame-retardant cable | |
| CN103794282A (en) | Power cable for nuclear power plant | |
| CN203760139U (en) | Fireproof cable for ship | |
| CN206532614U (en) | Middle pressure optical fiber composite cable is laid after a kind of new light unit | |
| CN205038997U (en) | Heat -resisting fire -retardant fire prevention power cable | |
| CN201408599Y (en) | Power cable with fireproof, flame resistance and waterproof functions | |
| CN106653173A (en) | Novel middle-voltage optical fiber composite cable laid behind optical unit | |
| CN201749725U (en) | Novel special control cable for ship | |
| CN104538094A (en) | Flexible fireproof cable | |
| CN205158969U (en) | Low -smoke halogen -free flame -retardant fireproof cable | |
| CN204407035U (en) | Flexible fire-proof cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160118 Address after: 050000 773 Taihang Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee after: Yu Guiliang Patentee after: Lin Zemin Address before: The new station in Anhui city of Hefei Province Zhang Sag Road 230041 No. 98 Patentee before: Joy Sense Cable Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 050000 759 Taihang Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee after: Yu Guiliang Patentee after: Lin Zemin Address before: 050000 773 Taihang Avenue, hi tech Zone, Hebei, Shijiazhuang Patentee before: Yu Guiliang Patentee before: Lin Zemin |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180108 Granted publication date: 20110810 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20200603 Granted publication date: 20110810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20190603 |