CN206340376U - A kind of new embossing copper sheath fire prevention low-voltage cable - Google Patents
A kind of new embossing copper sheath fire prevention low-voltage cable Download PDFInfo
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- CN206340376U CN206340376U CN201621325501.8U CN201621325501U CN206340376U CN 206340376 U CN206340376 U CN 206340376U CN 201621325501 U CN201621325501 U CN 201621325501U CN 206340376 U CN206340376 U CN 206340376U
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Abstract
The utility model belongs to electrical equipment field of cable technology, and in particular to a kind of new embossing copper sheath fire prevention low-voltage cable.A kind of new embossing copper sheath fire prevention low-voltage cable proposed has cable core；Described cable core is multiple；Each described cable core includes copper conductor（1）, polyester belt lapping layer（2）And insulating barrier（3）；Described polyester belt lapping layer（2）It is wrapped in copper conductor（1）Outer face on；Described insulating barrier（3）By being wrapped in polyester belt lapping layer（2）The two-sided synthetic mica tape of multilayer constitute；Flame retardant coating is coated with the outside of multiple cable cores（4）, and in the flame retardant coating（4）Outside coat separation layer successively from inside to outside（5）, flame-retardant layer（6）, refuge floor（7）And metal sheath（8）.In summary, the utility model ensure that the safe handling of electrical equipment in special occasions, reduce economic loss.
Description
Technical field
The utility model belongs to technical field of cable, and in particular to a kind of new embossing copper sheath fire prevention low tension
Cable.
Background technology
With the fast development of China's economy, the continuous quickening of urban construction speed, the public building of various functions and
Facility rising sheer from level ground like the mushrooms after rain, the probability for thus occurring fire accordingly increases.According to the statistics of fire-fighting system, occur
Fire in, major part is caused by electrical equipment malfunction, wherein organic insulation cable fault overheat it is chain initiation fire account for
Significant proportion.Even if transforming the insulating materials of organic insulation cable, low-smoke non-halogen flame-retardant and fire-resistance property are made it have
Function, but card, flame retardant type and fire safe type organic insulation cable are reflected in terms of theory and practice, do not improve theirs fundamentally
Fire performance.Search to the bottom reason, be due to the material of organic insulation cable, ignition temperature is relatively low（About 400 DEG C）, easy firing,
Big calorimetric can be produced in burning simultaneously, there is combustion-supporting effect.Improved organic insulation cable be not improved ignition temperature and
Its combustion-supporting energy is reduced, here it is easy failure overheat can not be changed, the basic reason of chain initiation fire.
Utility model content
To solve above-mentioned technical barrier, the purpose of this utility model is to propose a kind of new embossing copper sheath fire prevention low tension
Cable, can be applied to high temperature, inflammable and explosive special occasions, meet fire-fighting demand.
The utility model adopts the following technical scheme that to complete above-mentioned purpose：
A kind of new embossing copper sheath fire prevention low-voltage cable, described fire prevention low-voltage cable has cable core；Described cable core
To be multiple：One of cable core is located at the center of fire prevention low-voltage cable, and the cable core described in remaining is around fire prevention low-voltage cable center
Described cable core is set；Each described cable core includes copper conductor, polyester belt lapping layer and insulating barrier；Described polyester belt around
Covering is wrapped on the outer face of copper conductor；Described insulating barrier is by the two-sided synthetic mica of the multilayer for being wrapped in polyester belt lapping layer
Band is constituted；Insulating barrier positioned at cable core described in fire prevention low-voltage cable center is in contact with the insulating barrier of other cable cores；It is other
Be coated with flame retardant coating on the outside of the cable core, and the outside of the flame retardant coating from inside to outside successively cladding separation layer, flame-retardant layer,
Refuge floor and metal sheath.
The copper conductor is formed using annealed copper monofilament is stranded.
The polyester belt lapping layer uses thickness wrapped for 0.05mm polyester belt two superimposed, and wrapped to put up rate not small
In 25%.
The insulating barrier uses heatproof not less than 1000 DEG C, thickness for 0.17mm two-sided synthetic mica tape is overlapping wrapped
Into wrapped 3 to 6 layers according to insulation thickness, every layer of Duplication is not less than 25%.
The flame retardant coating uses thickness wrapped for 0.17mm synthetic mica tape two superimposed, and the wrapped rate of putting up is not less than
25%。
The separation layer uses thickness wrapped for 0.40mm Ceramic silicon rubber band two superimposed, and wrapped puts up rate not
Less than 25%.
The flame-retardant layer uses thickness wrapped for 0.17mm high fire-retardance band two superimposed, and the wrapped rate of putting up is not less than
15%。
The refuge floor is extruded using low smoke halogen-free flame-retardant polyolefin oxygen barrier material and formed, it is desirable to material oxygen index (OI) OI >=45,
Density is not more than 1.45g/cm simultaneously3。
The metal sheath use argon arc welding embossing copper sheath, copper strips be annealed copper band (M state), tensile strength >=
205 MPa, elongation >=30%.
The utility model proposes a kind of new embossing copper sheath fire prevention low-voltage cable, using above-mentioned technical proposal, have
Following beneficial effect：
1st, insulation is wrapped for multilayer mica, does not contain any combustable organic thing, does not possess the fundamental of burning fire, ring
Protect Halogen nontoxic.
2nd, the fire-retardant wrapped isolation of multiple layer refractory, and Ceramic silicon rubber band can form hard ceramics under the calcination of flame
Change duricrust, do not melt, do not drip in fire hazard environment, heat-insulated fire insulation, flameproof effect is more excellent.
3rd, embossing copper metal sheath, plays fire prevention, shielding, the three layers of effect of resistance external force, and bending property is excellent, is adapted to narrow
The mounting and installation in small space, it is to avoid electromagnetic interference.
In summary, the utility model, which ensure that, can be applied to high temperature, inflammable and explosive special occasions, and satisfaction disappears
Anti- demand.
Brief description of the drawings
Fig. 1 the utility model structural representations.
In figure：1st, copper conductor, 2, polyester belt lapping layer, 3, insulating barrier, 4, flame retardant coating, 5, separation layer, 6, flame-retardant layer, 7,
Refuge floor, 8, metal sheath.
Embodiment
The utility model is illustrated with reference to the drawings and specific embodiments：
As shown in figure 1, a kind of new embossing copper sheath fire prevention low-voltage cable, described fire prevention low-voltage cable has cable core；
Described cable core is multiple；Each described cable core includes copper conductor 1, polyester belt lapping layer 2 and insulating barrier 3；The copper is led
Body is formed using annealed copper monofilament is stranded, and conductor can press circular or die mould；Ensure that resistance and elongation meet GB
It is required that；Described polyester belt lapping layer 2 is wrapped on the outer face of copper conductor 1, the reliability to ensure insulaion resistance；It is described
Polyester belt lapping layer uses thickness wrapped for 0.05mm polyester belt two superimposed, and wrapped puts up rate not less than 25%；Described
Insulating barrier 3 is made up of the two-sided synthetic mica tape of the multilayer for being wrapped in polyester belt lapping layer 2；The insulating barrier 3 is using six multilayers
Winding machine is once around wrap molding, it is ensured that wrapped Duplication and wrapped uniformity；The insulating barrier is not less than using heatproof
1000 DEG C, thickness for 0.17mm two-sided synthetic mica tape it is overlapping it is wrapped form, wrapped multilayer, every layer of Duplication is not less than 25%；
Be coated with flame retardant coating 4 on the outside of multiple cable cores, and the outside of the flame retardant coating 4 from inside to outside successively cladding separation layer 5,
Flame-retardant layer 6, refuge floor 7 and metal sheath 8.
The stranding flame retardant coating 4, separation layer 5 and flame-retardant layer 6 are using six multilayer winding machines once around wrap molding, it is ensured that around
The Duplication of bag and wrapped uniformity；The fire-retardant lapping layer use thickness for 0.17mm high fire-retardance band two superimposed around
Bag, wrapped puts up rate not less than 15%.
The separation layer 5 uses thickness wrapped for 0.40mm Ceramic silicon rubber band two superimposed, and wrapped puts up rate
Not less than 20%.
The flame-retardant layer 6 uses thickness wrapped for 0.17mm high fire-retardance band two superimposed, and the wrapped rate of putting up is not less than
15%。
The refuge floor 7 is extruded using low smoke halogen-free flame-retardant polyolefin oxygen barrier material and formed.It is required that material oxygen index (OI) OI >=45,
Density is not more than 1.45g/cm simultaneously3；Halogen-free and low-smoke flame-retardant polyolefin oxygen barrier layered material, is, using vistanex as base-material, to add
High-quality and efficient halogen-free flame retardants and other processing aids, forms through mixing, plasticizing, granulation, is put during burning without halogen acid gas
Go out, toxicity and corrosive gas burst size are few, and smokescope is extremely low.Using tailored version Suitable compression than Halogen material extrude spiral shell
Bar（Deep type screw rod is not waited equidistantly）Extrusion.
The metal sheath uses argon arc welding embossing copper sheath, adds core coalignment, double-draught device, drying dress
Put with hair-removing appliance etc., at the same copper strips is cleaned, trimming, arrangement, vertical bag, welding, quick cooling, eddy current inspection, prevent
The problem of solder skip;Traction crawler belt has been changed in protective metal shell forming process, the crawler belt with arc groove has been employed, solves
The problem of cable is flattened in traction.
Claims (9)
1. a kind of new embossing copper sheath fire prevention low-voltage cable, it is characterised in that：Described fire prevention low-voltage cable has cable core；Institute
The cable core stated is multiple；One of cable core is located at the center of fire prevention low-voltage cable, and the cable core described in remaining is around fire prevention low pressure
Cable core described in cable center is set；Each described cable core includes copper conductor（1）, polyester belt lapping layer（2）And insulating barrier
（3）；Described polyester belt lapping layer（2）It is wrapped in copper conductor（1）Outer face on；Described insulating barrier（3）It is poly- by being wrapped in
Ester band lapping layer（2）The two-sided synthetic mica tape of multilayer constitute；Positioned at the insulating barrier of cable core described in fireproof control cable center with
The insulating barrier of other cable cores is in contact；Flame retardant coating is coated with the outside of other cable cores（4）, and in the flame retardant coating
（4）Outside coat separation layer successively from inside to outside（5）, refuge floor（7）, flame-retardant layer（6）And metal sheath（8）.
2. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The copper conductor
（1）Formed using annealed copper monofilament is stranded.
3. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The polyester belt around
Covering（2）Use thickness wrapped for 0.05mm polyester belt two superimposed, wrapped puts up rate not less than 25%.
4. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The insulating barrier
（3）Use heatproof not less than 1000 DEG C, thickness for 0.17mm two-sided synthetic mica tape it is overlapping it is wrapped form, according to insulation thickness
Wrapped 3 to 6 layers, every layer of Duplication is not less than 25%.
5. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The flame retardant coating
（4）Use heatproof not less than 1000 DEG C, thickness for 0.17mm two-sided synthetic mica tape it is overlapping it is wrapped form, wrapped 2 layers, every layer
Duplication is not less than 25%.
6. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The separation layer
（5）Use thickness wrapped for 0.40mm Ceramic silicon rubber band two superimposed, wrapped puts up rate not less than 20%.
7. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The flame-retardant layer
（6）Use thickness wrapped for 0.17mm high fire-retardance band two superimposed, wrapped puts up rate not less than 15%.
8. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The refuge floor
（7）Extruded and formed using low smoke halogen-free flame-retardant polyolefin oxygen barrier material.
9. a kind of new embossing copper sheath fire prevention low-voltage cable as claimed in claim 1, it is characterised in that：The metal sheath
（8）Using argon arc welding embossing stainless steel sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325501.8U CN206340376U (en) | 2016-12-06 | 2016-12-06 | A kind of new embossing copper sheath fire prevention low-voltage cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621325501.8U CN206340376U (en) | 2016-12-06 | 2016-12-06 | A kind of new embossing copper sheath fire prevention low-voltage cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340376U true CN206340376U (en) | 2017-07-18 |
Family
ID=59307739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621325501.8U Active CN206340376U (en) | 2016-12-06 | 2016-12-06 | A kind of new embossing copper sheath fire prevention low-voltage cable |
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| CN (1) | CN206340376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147997A (en) * | 2018-10-16 | 2019-01-04 | 睿康文远电缆股份有限公司 | High temperature high pressure deep well detects cable |
-
2016
- 2016-12-06 CN CN201621325501.8U patent/CN206340376U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109147997A (en) * | 2018-10-16 | 2019-01-04 | 睿康文远电缆股份有限公司 | High temperature high pressure deep well detects cable |
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