CN206322516U - A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable - Google Patents
A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable Download PDFInfo
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- CN206322516U CN206322516U CN201621476791.6U CN201621476791U CN206322516U CN 206322516 U CN206322516 U CN 206322516U CN 201621476791 U CN201621476791 U CN 201621476791U CN 206322516 U CN206322516 U CN 206322516U
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Abstract
The utility model provides a kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable, including stranded multiply core, the core is included outside anaerobic copper conductor, the anaerobic copper conductor, and from-inner-to-outer is coated with fireproof mica layer and halogen-free and low-smoke flame-retardant polyolefin insulating barrier successively；Outside the stranded multiply core, from-inner-to-outer is coated with high-fire-resistance glass wool cloth belt and cracking resistant type low-smoke and halogen-free flame retardant polyolefin jacket layer successively；The core gap, core and high fire-retardance glass fiber band lamellar spacing are filled filled with low smoke and zero halogen mineral matter.The utility model construction of cable is simple, reasonable, compact, it is practical, cost is relatively low, while have stronger protection against rodents, ant to bite ability, is a suitable for densely populated place and the low smoke, zero halogen Green Product for the high performance-price ratio for requiring the high fire resistance cable laying occasion of high fire-retardance.
Description
Technical field
The utility model is related to cable technology, more particularly to a kind of heat-insulated, fire insulation type high fire-retardance mineral insulated cable.
Background technology
Fire resisting, fireproof cable are, when fire occurs, to still ensure that circuit normal power-up in certain time, that is,
Under conditions of certain flame temperature burning, normal transmission electric energy, the various control signals of transmission, alarm signal in certain time,
Enable illumination, fire protection alarm device and other emergency sets to continue energization within a certain period of time, enable rescue work just
Often carry out, the continued power time is longer, it is desirable to which the quality grade of fire-resisting cable is higher.
The important public place decoration such as office building, hotel, restaurant, the railway station of modernization is more and more luxurious, uses
Combustible is more and more, under conditions of being required as these important public places once catching fire, and cable can normally continually
Ground transmits electric power, conveys escape, automatic alarm that various control signals and alarm signal are behaved, the startup of fire fighting device, rescue
And the use of emergency set provides valuable time, but under the premise of the excellent fire resistance of cable is met, during by flame combustion,
Whether cable has prevention flame propagation ability, and whether combustion product is harmful, if with dense smoke, is that examination one is excellent
The important performance assessment criteria of matter cable.
Meanwhile, under by cable laying ambient influnence, cable should be able to bear certain external force effect, can rat-and-ant proof gnaw,
It is adaptable, also as the high-grade product required for current market, required along with such, in the market occurs more
Generally using protective metal shell as sheath and fireprotection layer in the fire resisting of species, fireproof cable, its structure, even if this structure can be real
Existing superior performance requirement, but its higher production cost and expensive price, but make it that some buying sides hang back, for this
Situation, it is a kind of to possess stronger fire protecting performance, while having the fire resisting compared with high performance-price ratio, fireproof cable to turn into market rigid demand again
And the brand-new field developed as cable technology.
Utility model content
The purpose of this utility model is regarding to the issue above, it is considered to actual safety factor, to need, propose with reference to market
A kind of heat-insulated, fire insulation type high fire-retardance mineral insulated cable, the cable is provided simultaneously with high fire resistance, high flame retardant, low smoke and zero halogen ring
Protect, rat-and-ant proof high performance-price ratio, the New Mineral insulated flame-resistant cable is simple in construction, and cable electrical superior performance, resistance to ag(e)ing are good,
Fire-retardant, fire resistance is high, and rat-and-ant proof ability is strong, low smoke, zero halogen environmental protection, is a kind of ideal to be layed in personnel more
Intensive place or the mineral insulation fire-resisting cable of building.
To achieve the above object, the technical solution adopted in the utility model is：A kind of heat-insulated, fire insulation type high fire-retardance mineral are exhausted
Edge cable, including stranded multiply core, the core include anaerobic copper conductor, outside the anaerobic copper conductor, from-inner-to-outer according to
It is secondary to be coated with fireproof mica layer and low-smoke halogen-free polyolefin insulating barrier；Outside the stranded multiply core, from-inner-to-outer is wrapped successively
It is covered with high fire-retardance glass fiber belting layer and cracking resistant type low-smoke and halogen-free flame retardant polyolefin jacket layer；The core gap, core with
Filled filled with low smoke and zero halogen mineral matter high fire-retardance glass fiber band lamellar spacing.
The low smoke and zero halogen mineral matter is filled with the mineral matter filling mixed by the purely inorganic thing of low smoke and zero halogen.
Further, the anaerobic copper conductor is solid conductor and/or 2 stranded class conductors.
Further, the copper material of the anaerobic copper conductor is the red copper that purity is more than 99.98%.
Further, the fireproof mica layer is synthetic mica tape lapping layer, closer, and the fireproof mica layer is
Two-sided synthetic mica tape lapping layer, its temperature resistant grade is more than 1000 DEG C, and two-sided synthetic mica tape is that fire safe type electric wire is optimal
Refractory material, temperature resistant grade is high, the coefficient of expansion is small, dielectric strength is big, resistivity is high, while the material has stronger insulation effect.
Further, the halogen-free and low-smoke flame-retardant polyolefin insulating barrier, had both been the second insulating barrier of cable, had gear tide concurrently again
Layer effect, can effectively prevent that topmost mineral insulation layer makes moist inside cable, is effectively guaranteed insulaion resistance and improves
Insulating properties, and halogen-free and low-smoke flame-retardant polyolefin insulating barrier under flame calcination by not producing excitant toxic products, low smoke and zero halogen
Environmental protection.
Further, the low smoke and zero halogen mineral matter is filled with inorganic mineral filling.The low smoke and zero halogen mineral matter is filled out
Fill is with AL (OH)3For the inorganic mineral of major ingredient.Including but not limited to：With AL (OH)3For several inorganic fire-retarded thing warps of major ingredient
Batch mixing is mixed with bonding agent, clay shape material is made, by Bitruder cold-extruded, while equal using plsitive mold
It is even to be coated between core gap and into around cable core, it is directly follow-up again after the completion of coating to use the wrapped flame retardant type alkali-free glass of winding machine
Glass silk strap, wrapped to tighten, the low smoke and zero halogen filling of coating possesses stronger heat-insulated, fire resisting function, by a bit after flame calcination
It is non-ignitable, can be provided for the high fire resisting of cable, high flame retardant it is powerful ensure, while the material of coating has, can to bear rodent small
Animal bites, and is that the overall of cable has added more excellent rat-and-ant proof performance again.
The utility model is using cracking resistant type low-smoke and halogen-free flame retardant polyolefin jacket layer, and it is protecting cable internal structure not
While being damaged, material low smoke and zero halogen itself, environmental protection, and oxygen index (OI) is higher, can effectively organize flame along cable axial direction
Propagate, powerful guarantee is provided for cable-flame retardant performance.
The utility model the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable is simple and reasonable for structure, tight
Gather, compared with prior art with advantages below：
(1) electric property is superior, and inorganic mineral insulation synthetic refractory mica tape plays double-deck effect, in cable without flame
In the case of calcination, there is stronger insulating effect；In the case of cable is by flame calcination, as flame retardant coating, (temperature resistant grade is more than
1000 DEG C), it is ensured that cable normal power supply within a certain period of time.
(2) security is good, and the utility model is heat-insulated, fire insulation type mineral insulation fire-resisting cable, is made using inorganic mineral material
For filling, it the advantage is that：Inorganic mineral material is at all non-ignitable under flame calcination or hot conditions, has both prevented flame along cable
Longitudinally and radially propagate, while the inorganic mineral layer of squash type filling is not melted, not dripped, can water resistant spray, and with very
Good heat-insulated fire insulation effect, it is ensured that electric power and information control is unimpeded under fire condition, is personnel escape and fire-fighting and rescue
Strive for valuable time, and this structure is smokelessly nontoxic in burning, will not produce pollution, fire resistance is high, at 950 degrees Celsius
Burnt 180 minutes in big fire, can ensure cable normal power supply.
(3) practical, the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable, due to there is mineral matter
Stuffed heat insulated layer, makes full use of material property so that cable generates a more excellent termite-resistant rodent-resistant layer.
(4) low smoke and zero halogen, environmental protection, the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable, by closing
The structure design of reason, the product made takes into full account green under combustion case under the premise of possessing high fire-retardance, high fire resisting, rat-and-ant proof
Color environmental protection characteristic, material therefor is low smoke and zero halogen material, the fire resisting of material therefor generally existing or hyperoxia indicial response so that electricity
Cable overall flame fire resistance is obviously improved, and can easily pass through fire-retardant A classes combustion experiment, is carbonized highly low, is a kind of outstanding
WDZA+ type products.
The utility model one kind is heat-insulated after testing, fire insulation type mineral insulation fire-resisting cable environmental protection, and burning has not been produced
Evil halogen gas, Halogen performance pH weighted value >=4.3 of cable, the μ S/mm of electrical conductivity weighted value≤10, the minimum of low cigarette characteristic is thoroughly
Light rate >=60%, electric property is superior, fire resistance can realize that 950 DEG C/180min (requires experiment in existing GB GB/T19666
Temperature is 750 DEG C/90min).
(5) extensive market, cost performance is high, and routinely fire prevention, fire-resisting cable usually contain protective metal shell to existing market, by equipment
Performance and manufacturing process limitation, it is more difficult to or 240mm can not be produced2And with the multicore cable of upper section, buying side is generally all selected
Purchase is split, need to repeatedly be laid, while protective metal shell ground connection needs professional joint, installation is wasted time and energy, and cable cost
Higher with annex cost, the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable overcomes above mentioned problem, no sectional area
With production length limitation, it can be produced by the maximum sabot amount of cable hank, it is ensured that non junction in the middle of cable, while mounting and installation one
It is secondary to complete, it is not necessary to cumbersome terminal fitting, ensureing the excellent fire protecting performance of cable simultaneously, from cable and cable accessory into
This, and in mounting and installation efficiency, cost performance is especially prominent.
To sum up, the utility model construction of cable is simple, reasonable, compact, and concentration realizes the high fire resisting of mineral insulated cable, height
Anti-flammability, while there is cable stronger protection against rodents, ant to bite ability.
Brief description of the drawings
Fig. 1 is that the utility model the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable schematic cross-section.
Embodiment
The utility model is further illustrated with reference to embodiments：
Embodiment 1
Fig. 1 is that the utility model the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable schematic cross-section.
Present embodiment discloses the utility model one kind is heat-insulated, fire insulation type mineral insulation fire-resisting cable, its structure such as Fig. 1 institutes
Show, including 4 stranded strand cores, the core includes anaerobic copper conductor 1, the anaerobic copper conductor 1 is led for 2 stranded classes
Body, its copper material used is more than 99.98% red copper for purity.The core is also coated on the fire resisting outside anaerobic copper conductor
Mica layer 2 (two-sided synthetic mica tape), low-smoke halogen-free polyolefin insulating barrier 3 (the damp insulating barrier of low-smoke halogen-free polyolefin gear).
Wherein anaerobic copper conductor 1 is conductor, and electric property is remarkable, and conductance is high, and it is whole that two-sided synthetic mica tape serves as cable
The fire lagging of body, the low-smoke halogen-free polyolefin insulating barrier 3 serves as the second insulating barrier of cable, same in reinforced insulation performance
When, it is that the two-sided synthetic mica of internal layer takes up gear tide effect.
Stranding is stranded simultaneously for the 4 strand core, without filling at core gap, only with band gap around wrapping
Tightly, and by core after the completion of stranding it is placed on transfer cable hank.
The present embodiment is heat-insulated, fire insulation type mineral insulation fire-resisting cable, also comprising inorganic mineral filling 4, high fire-retardance glass fiber
Belting layer 5 and cracking resistant type low-smoke and halogen-free flame retardant polyolefin jacket layer 6, inorganic mineral filling 4 is with AL (OH)3For the nothing of major ingredient
Machine mineral matter.Specifically, by with AL (OH)3Mix, be made for several inorganic mineral incombustible materials and bonding agent of major ingredient
Clay shape material, through Bitruder cold-extruded be coated on turntable into (including core gap, core at cable core gap
With high fire-retardance glass fiber band lamellar spacing), it should be noted that outside into cable core to tighten band mineral-filled in coating inorganic
It before 4, need to before the handpiece be peelled off, in order to which inorganic mineral filling 4 is evenly applied into cable core gap and surface, be coated
The cable core of inorganic mineral filling 4 is completed through the wrapped 2 floor height fireproof glass silk belting layer 5 of taping head, finishing operation is to be opened using anti-
Split low-smoke halide-free fireproof composite polyolefine material and uniformly extrude one layer of oversheath, while protection cable inside is injury-free, prevent fire
In the case of calamity, flame is along cable Propagation.
Embodiment 2
Present embodiment discloses a kind of heat-insulated, fire insulation type mineral insulation fire-resisting cable, its structure and the basic phase of embodiment 1
Together, heat-insulated, fire insulation type mineral insulation fire-resisting cable described in the present embodiment unlike, the anaerobic copper conductor 1 is led for solid copper
Body, and contained core number is more.
The utility model is not limited to heat-insulated, fire insulation type mineral insulation fire-resisting cable described in above-described embodiment, wherein
The change of oxygen-free copper conductor structure, the change of each thickness degree are within protection domain of the present utility model.
Finally it should be noted that：Various embodiments above is only limited to illustrate the technical solution of the utility model, rather than to it
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (5)
1. a kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable, it is characterised in that including stranded multiply core, institute
Stating core is included outside anaerobic copper conductor, the anaerobic copper conductor, and from-inner-to-outer is coated with fireproof mica layer and low smoke, zero halogen successively
Fire retardant polyolefin insulating barrier；Outside the stranded multiply core, from-inner-to-outer be coated with successively high fire-retardance glass fiber belting layer and
Cracking resistant type low-smoke and halogen-free flame retardant polyolefin jacket layer；The core gap, core and high fire-retardance glass fiber band lamellar spacing are filled out
Filled with the filling of low smoke and zero halogen mineral matter.
2. heat-insulated according to claim 1, fire insulation type high fire-retardance mineral insulation fire-resisting cable, it is characterised in that the anaerobic
Copper conductor is solid conductor and/or passes through 2 stranded class conductors.
3. heat-insulated according to claim 2, fire insulation type high fire-retardance mineral insulation fire-resisting cable, it is characterised in that the anaerobic
The copper material of copper conductor is the red copper that purity is more than 99.98%.
4. heat-insulated according to claim 1, fire insulation type high fire-retardance mineral insulation fire-resisting cable, it is characterised in that the fire resisting
Mica layer is two-sided synthetic mica tape lapping layer.
5. heat-insulated according to claim 1, fire insulation type high fire-retardance mineral insulation fire-resisting cable, it is characterised in that the low cigarette
Halogen mineral matter is filled with inorganic mineral filling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476791.6U CN206322516U (en) | 2016-12-30 | 2016-12-30 | A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621476791.6U CN206322516U (en) | 2016-12-30 | 2016-12-30 | A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable |
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| Publication Number | Publication Date |
|---|---|
| CN206322516U true CN206322516U (en) | 2017-07-11 |
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ID=59261839
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621476791.6U Active CN206322516U (en) | 2016-12-30 | 2016-12-30 | A kind of heat-insulated, fire insulation type high fire-retardance mineral insulation fire-resisting cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109750A (en) * | 2017-11-30 | 2018-06-01 | 新宇电缆集团股份有限公司 | A kind of new-energy automobile charging private cable |
| US10937569B2 (en) | 2018-03-28 | 2021-03-02 | General Cable Technologies Corporation | Fire resistant data communication cable |
-
2016
- 2016-12-30 CN CN201621476791.6U patent/CN206322516U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108109750A (en) * | 2017-11-30 | 2018-06-01 | 新宇电缆集团股份有限公司 | A kind of new-energy automobile charging private cable |
| US10937569B2 (en) | 2018-03-28 | 2021-03-02 | General Cable Technologies Corporation | Fire resistant data communication cable |
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