CN206363798U - A kind of fire proof power cable - Google Patents
A kind of fire proof power cable Download PDFInfo
- Publication number
- CN206363798U CN206363798U CN201620860219.3U CN201620860219U CN206363798U CN 206363798 U CN206363798 U CN 206363798U CN 201620860219 U CN201620860219 U CN 201620860219U CN 206363798 U CN206363798 U CN 206363798U
- Authority
- CN
- China
- Prior art keywords
- fire
- power cable
- proof power
- outside
- resistant belt
- 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.)
- Active
Links
Abstract
The utility model belongs to power cable technical field, more particularly to a kind of fire proof power cable, including by the stranded cable core of multiple cores, the core includes extruding external insulation layer outside the conductor of lay configuration, conductor outer cladding inner insulating layer, inner insulating layer；The cable core gap is filled with mineral matter rope; it is surrounded with outside cable core outside internal layer fire resistant belt, internal layer fire resistant belt and is extruded with mineral matter fire proofing material, outer layer fire resistant belt is surrounded with outside mineral matter fire proofing material; having outside outer layer fire resistant belt outside the metallic sheath of lock armo, metallic sheath has environmentally friendly sheath.The utility model can meet fire-fighting requirements, and the production of such cable does not need special equipment, and cost is relatively low.
Description
Technical field
The utility model belongs to power cable technical field, more particularly to a kind of fire proof power cable.
Background technology
At present, because the fire that electric reason triggers occupies the significant fraction of whole fire.With social high speed development,
The power supply safety of critical facility is more and more important.Therefore, the fire protecting performance of electric wire is improved, it is ensured that fire is occurring for critical facility
Normally used in the case of calamity, be that fire-fighting rescue is raced against time and seems even more important.
However, meeting the fireproof cable of fire-fighting requirements in the market mainly has two kinds, it is that magnesium oxide insulated is firm respectively
Property fireproof cable and inorganic mineral insulation（Predominantly mica tape）Metal tape indulges bag flexible fire-proof cable.Its oxygen of rigid fireproof cable
Change magnesium insulation moisture-sensitive, structure is harder, mounting and installation inconvenience, while being limited by the constraint of production technology, cable continuously produces length
Degree is restricted, and transition joint is more.Inorganic mineral insulation cable insulating barrier not only easily makes moist and under high-temp combustion, rises exhausted
The mica of edge and resistance to fire action into powdered can come off, while protective metal shell is not heat-treated through mechanically deform, it is impossible to protect
Demonstrate,prove the flexibility of cable.And this two kinds of cable productions are both needed to private cable equipment, invest larger, cable product is expensive,
And common fire-resisting cable does not reach fire-fighting requirements.
The content of the invention
The technical problems to be solved in the utility model is exactly to overcome above-mentioned the deficiencies in the prior art, and providing one kind can meet
Fire-fighting requirements, and cable production does not need special equipment, lower-cost fire proof power cable.
In order to solve the above technical problems, the technical solution adopted in the utility model is：
A kind of fire proof power cable is designed, including by the stranded cable core of multiple cores, the core includes stranded knot
External insulation layer is extruded outside the conductor of structure, conductor outer cladding inner insulating layer, inner insulating layer；The cable core gap is filled with mineral matter
Rope, is surrounded with outside internal layer fire resistant belt, internal layer fire resistant belt outside cable core and is extruded with mineral matter fire proofing material, mineral matter fire proofing material it is outer around
Being surrounded by outside the metallic sheath outside outer layer fire resistant belt, outer layer fire resistant belt with lock armo, metallic sheath has environmentally friendly sheath.
Preferably, in above-mentioned fire proof power cable, the conductor forms for annealed copper wire is stranded.
Preferably, in above-mentioned fire proof power cable, the inner insulating layer is synthetic mica tape.
Preferably, in above-mentioned fire proof power cable, the external insulation layer is the ceramic high polymer extruded, described high poly-
Thing is silicon rubber or polyolefin.
Preferably, in above-mentioned fire proof power cable, the mineral matter rope is asbestos cord or glass fiber rope.
Preferably, in above-mentioned fire proof power cable, the internal layer fire resistant belt is glass fibre belt.
Preferably, in above-mentioned fire proof power cable, the mineral matter fire proofing material is ceramic high polymer, described high poly-
Thing is silicon rubber either polyolefin.
Preferably, in above-mentioned fire proof power cable, the outer layer fire resistant belt is glass fibre belt.
Preferably, in above-mentioned fire proof power cable, the metallic sheath is that stainless steel band, aluminum alloy strip, copper strips or copper are closed
Lock armo of choosing any one kind of them in gold ribbon is formed.
Preferably, in above-mentioned fire proof power cable, the environmentally friendly sheath is irradiation low-smoke halogen-free polyolefin sheath.
The beneficial effect of technical solutions of the utility model is：
1st, the insulating barrier of cable is collectively formed in the utility model by two-sided synthetic mica tape, ceramic high polymer；Extrude
Ceramic high polymer not only can effectively solve former fireproof cable and insulate the defect of moisture-sensitive, and ceramic high polymer is heated
" crust " effect can effectively solve the defect that mica tape is heated into shed powder.
2nd, ectonexine fire resistant belt and ceramic high polymer composition " sandwich " fireprotection layer in the utility model, it may have heated
" crust " is acted on, and can effectively protect cable body.
3rd, original drawing copper tubes and the vertical bag welding of copper strips are replaced by metal tape lock armo in the utility model, makes cable
Flexibility is greatly improved, while the production technology is not by length limitation, transition joint is less.
4th, supplementary insulation separation layer and oversheath use exposed material in the utility model, can greatly improve cable
Heat resistance, mechanical performance and water resistance.
5th, the utility model all material uses environment-friendly materials, does not produce pollution to environment.
Brief description of the drawings
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation of the utility model fire proof power cable；
Sequence number in figure：1st, stranded conductor, 2, inner insulating layer, 3, external insulation layer, 4, mineral matter rope, 5, internal layer fire resistant belt, 6,
Mineral matter fire proofing material, 7, outer layer fire resistant belt, 8, metallic sheath, 9, environmentally friendly sheath.
Embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model embodiment is carried out to have understood
Whole description, it is clear that described embodiment is only the schematical part embodiment of the utility model, and it is not used to limit
Fixed scope of the present utility model, any those skilled in the art institute on the premise of the utility model design and principle is not departed from
The equivalent variations made and modification, all should belong to the scope of the utility model protection.
Referring to Fig. 1, in figure, the utility model fire proof power cable, including stranded conductor 1, wrapped inner insulating layer 2 outside conductor
With external insulation layer 3.The core of some Shu Hanyou external insulations layers is twisted into outside cable core, cable core gap filling mineral matter rope 4, cable core
Wrapped outer layer fire resistant belt 7 outside mineral matter fire proofing material 6, fire proofing material is extruded outside wrapped internal layer fire resistant belt 5, internal layer fire guard, it is resistance to
There is environmentally friendly sheath 9 outside the outer metallic sheath 8 with lock armo of fire band, metallic sheath.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the stranded conductor 1 is annealed copper
Line is stranded to be formed, and is the stranded copper conductor pressed.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the inner insulating layer 2 is synthesis cloud
Master tape, is completed, it is ensured that the performance of cable is stable using bull winding machine is once wrapped.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the external insulation layer 3 is to extrude
Ceramic high polymer, the high polymer can be silicon rubber either polyolefin.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the mineral matter rope 4 is asbestos cord
Or glass fiber rope.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the internal layer fire guard 5 is glass
Band.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the mineral matter fire proofing material 6 is
Ceramic high polymer, the high polymer can be silicon rubber either polyolefin.Ceramic high polymer be using high polymer as base, plus
Enter inorganic refractory fire retardant, ceramic additive and various auxiliary agents to be composited, under thermal-flame, can change into rapidly heat-insulated
Ceramic-like object, effectively protects cable body.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the outer layer fire resistant belt 7 is glass
Band.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the metallic sheath 8 is stainless steel
Use of choosing any one kind of them " S " type lock armo in band, aluminum alloy strip, copper strips or copper alloy belt, all linked with one another form.
In the specific embodiment of the utility model one, in above-mentioned fire proof power cable, the environmentally friendly sheath 9 is low to irradiate
Need to use high-power electron beam or ultraviolet light irradiation after cigarette halogen-free polyolefin, extruding machine extrusion, polymer is changed into by linear structure
Tridimensional network.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and it
Identical similar part is cross-referenced between the difference of its embodiment, each embodiment.
To the described above of disclosed embodiment, those skilled in the art are enable to realize or use the utility model.It is right
The many places modification of these embodiments is apparent to those skilled in the art, and generic principles defined herein can
On the premise of the spirit or scope of utility model are not departed from, to realize in other embodiments.Therefore, the utility model will not
These embodiments illustrated herein are limited to, and are to fit to the most wide model consistent with features of novelty with principles disclosed herein
Enclose.
Claims (10)
1. a kind of fire proof power cable, including by the stranded cable core of multiple cores, it is characterized in that：The core includes stranded
External insulation layer is extruded outside the conductor of structure, conductor outer cladding inner insulating layer, inner insulating layer；The cable core gap is filled with mineral matter
Rope, is surrounded with outside internal layer fire resistant belt, internal layer fire resistant belt outside cable core and is extruded with mineral matter fire proofing material, mineral matter fire proofing material it is outer around
Being surrounded by outside the metallic sheath outside outer layer fire resistant belt, outer layer fire resistant belt with lock armo, metallic sheath has environmentally friendly sheath.
2. fire proof power cable according to claim 1, it is characterized in that：The conductor forms for annealed copper wire is stranded.
3. fire proof power cable according to claim 1, it is characterized in that：The inner insulating layer is synthetic mica tape.
4. fire proof power cable according to claim 1, it is characterized in that：The external insulation layer is that the ceramic height extruded is poly-
Thing, the high polymer is silicon rubber or polyolefin.
5. fire proof power cable according to claim 1, it is characterized in that：The mineral matter rope is asbestos cord or glass fiber rope.
6. fire proof power cable according to claim 1, it is characterized in that：The internal layer fire resistant belt is glass fibre belt.
7. fire proof power cable according to claim 1, it is characterized in that：The mineral matter fire proofing material is that ceramic height is poly-
Thing, the high polymer is silicon rubber either polyolefin.
8. fire proof power cable according to claim 1, it is characterized in that：The outer layer fire resistant belt is glass fibre belt.
9. fire proof power cable according to claim 1, it is characterized in that：The metallic sheath be stainless steel band, aluminum alloy strip,
Lock armo of choosing any one kind of them in copper strips or copper alloy belt is formed.
10. fire proof power cable according to claim 1, it is characterized in that：The environmentally friendly sheath gathers for irradiation low smoke and zero halogen
Alkene sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860219.3U CN206363798U (en) | 2016-08-10 | 2016-08-10 | A kind of fire proof power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620860219.3U CN206363798U (en) | 2016-08-10 | 2016-08-10 | A kind of fire proof power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206363798U true CN206363798U (en) | 2017-07-28 |
Family
ID=59369145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620860219.3U Active CN206363798U (en) | 2016-08-10 | 2016-08-10 | A kind of fire proof power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206363798U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346217A (en) * | 2018-10-11 | 2019-02-15 | 何银亚 | A kind of anti-wire structure for earning drawing hot-face insulation |
| CN110993156A (en) * | 2019-10-11 | 2020-04-10 | 重庆泰山电缆有限公司 | Intelligent flexible fireproof and fire-resistant cable |
-
2016
- 2016-08-10 CN CN201620860219.3U patent/CN206363798U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346217A (en) * | 2018-10-11 | 2019-02-15 | 何银亚 | A kind of anti-wire structure for earning drawing hot-face insulation |
| CN110993156A (en) * | 2019-10-11 | 2020-04-10 | 重庆泰山电缆有限公司 | Intelligent flexible fireproof and fire-resistant cable |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319004B (en) | Damp-proof corrosion-resistant inflaming-retarding electric power communication cable | |
| CN205028678U (en) | Medium voltage fireproof cable | |
| CN202258471U (en) | Environment-friendly fire-proof medium-voltage cable | |
| CN211929067U (en) | Polyvinyl chloride insulating halogen-free low-smoke flame-retardant fire-resistant cable | |
| CN211529645U (en) | Super flexible mineral substance fireproof cable | |
| CN214671968U (en) | Fire-resistant waterproof type medium-voltage crosslinked polyethylene insulated environment-friendly power cable | |
| CN206363798U (en) | A kind of fire proof power cable | |
| CN202171970U (en) | Low-smoke halogen-free flame retardant fireproof cable used in urban railway system | |
| CN202839059U (en) | Ceramic fireproof fire resistant cable | |
| CN205943485U (en) | Double -deck crowded insulating radiation cross -linking does not altogether have steamed low fire -retardant power cable of cigarette | |
| CN205177474U (en) | Fire -resistant power cable of cross -linked insulation | |
| CN206363777U (en) | A kind of environment-friendly type fire resistant flexible midium voltage cable | |
| CN208368204U (en) | A kind of organic fire prevention flexible cable | |
| CN207409288U (en) | A kind of flexible mineral matter fireproof cable | |
| CN207718911U (en) | A kind of ceramic polyolefin fire resistant flame retardant cable | |
| CN205943517U (en) | Fire -resistant power cable of improved generation middling pressure | |
| CN105070394A (en) | Fire-proof and fire-resistant medium-voltage power cable | |
| CN201622871U (en) | Halogen-free, low-smoke, flame-retardant and fire-proof cable | |
| CN210443320U (en) | Flame-retardant heat-resistant cable | |
| CN204651023U (en) | The halogen-free flameproof fireproof cable of modified node method | |
| CN205016296U (en) | Fire -resistant high temperature resistance medium voltage power cable | |
| CN210606749U (en) | Low-smoke environment-friendly halogen-free flame-retardant fire-resistant cable | |
| CN209045187U (en) | A kind of fire-type protective metal shell flexible inorganic mineral insulation control cable | |
| CN205028681U (en) | Flexible fireproof cable of mineral insulation strap lock armo | |
| CN208489013U (en) | Flexible cable is used in a kind of connection of copper core polyvinyl chloride insulation flame-retardant strand type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |