CN210837277U - Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire - Google Patents
Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire Download PDFInfo
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- CN210837277U CN210837277U CN201922162663.4U CN201922162663U CN210837277U CN 210837277 U CN210837277 U CN 210837277U CN 201922162663 U CN201922162663 U CN 201922162663U CN 210837277 U CN210837277 U CN 210837277U
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 23
- 238000004132 cross linking Methods 0.000 title claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000009413 insulation Methods 0.000 title claims abstract description 15
- 239000000779 smoke Substances 0.000 title claims description 13
- 239000010410 layer Substances 0.000 claims abstract description 113
- 239000010445 mica Substances 0.000 claims abstract description 38
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 38
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000011241 protective layer Substances 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229920000098 polyolefin Polymers 0.000 claims description 7
- 229920002799 BoPET Polymers 0.000 claims description 4
- 239000005041 Mylar™ Substances 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 235000019504 cigarettes Nutrition 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 3
- 238000012856 packing Methods 0.000 abstract description 3
- 241000209140 Triticum Species 0.000 abstract description 2
- 235000021307 Triticum Nutrition 0.000 abstract description 2
- 239000005030 aluminium foil Substances 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006353 environmental stress Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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Abstract
The utility model provides an insulating steamed low cigarette fire-retardant electric wire that does not have of copper core irradiation cross-linking, including a plurality of sinle silk, be provided with the filling layer between the sinle silk, be provided with around the covering outside the filling layer, shielding layer and sheath, include the fine band layer of mica tape layer and the fire-retardant glass that set up inside and outside around the covering, the shielding layer includes internal shield layer and external shield layer, the internal shield layer is the aluminium foil, the external shield layer is the copper wire mesh grid, be provided with powder mica tape layer between internal shield layer and the external shield layer, soft protective layer and packing net rope, soft protective layer includes the concave-convex structure that a plurality of set up along powder mica tape layer outside circumference, the wheat that is provided with inside and outside distribution between shielding layer. The utility model discloses a soft protective layer has effectively improved the pliability and the intensity of cable, improves the shielding effect of cable through inside and outside shielding layer moreover, has good insulation and flame retardant efficiency simultaneously, reasonable in design, and life is longer, is fit for extensive the popularization.
Description
Technical Field
The utility model belongs to the technical field of the electric power electric wire, especially, relate to an insulating low cigarette fire-retardant electric wire of nothing of copper core irradiation crosslinked.
Background
The irradiation crosslinking wire is manufactured by using an irradiation crosslinking process, wherein the irradiation crosslinking is to bombard the insulating layer by using high-energy electron beams generated by an electron accelerator to break molecular chains to form macromolecular free radicals, and then the macromolecular free radicals are recombined into crosslinking bonds, so that the original linear molecular structure is changed into a three-dimensional reticular molecular structure to form crosslinking. The irradiation crosslinking electric wire has excellent mechanical and physical properties, resistance to various chemical solvents, small outer diameter, light weight and convenient installation and transportation, the maximum rated temperature of the irradiation crosslinking insulated electric wire can reach 125 ℃ when the irradiation crosslinking insulated electric wire works for a long time, and the current-carrying capacity is larger than that of the polyvinyl chloride insulated electric wire; corrosive gas and toxic gas are not released during combustion, and secondary harm is not generated; meanwhile, the composite material also has good electrical performance.
Existing radiation crosslinked wires are typically rope-like wires stranded from several or groups of wires (at least two per group) for communication or power transmission. Specifically, the electric wire comprises a conductor, an insulating layer, a filling layer, a wrapping layer, a shielding layer and a sheath. The internal structure is simple, and the structural strength, the flame retardant property, the shielding effect, the service life and the like of the cable are still insufficient.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the technical problem that foretell irradiation crosslinked cable exists, provide a reasonable in design, intensity is higher, non-deformable, fire behaviour and shielding effect are better and the longer low fire-retardant electric wire of low cigarette of copper core irradiation crosslinked insulation halogen-free.
In order to achieve the above object, the technical solution adopted by the present invention is that, the present invention provides a copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant electric wire, which comprises a plurality of wire cores, wherein each wire core comprises a conductor and an insulating layer arranged outside the conductor, a filling layer is arranged between the wire cores, a wrapping layer, a shielding layer and a sheath are arranged outside the filling layer, the wrapping layer comprises an inner mica tape layer and an outer flame-retardant glass fiber tape layer, the shielding layer comprises an inner shielding layer and an outer shielding layer, the inner shielding layer is an aluminum foil, the outer shielding layer is a copper wire mesh grid, a mica powder tape layer, a soft protective layer and a filling mesh rope are arranged between the inner shielding layer and the outer shielding layer, the soft protective layer is made of irradiation crosslinking halogen-free low-smoke polyolefin material, the soft protective layer comprises a plurality of concave-convex structures circumferentially arranged along the outer side, adjacent concave-convex structure closely sets up, be provided with the interior outer mylar layer and the armor that distribute of outer between shielding layer and the sheath.
Preferably, the mica powder tape layer comprises two layers, namely an inner layer mica powder tape layer and an outer layer mica powder tape layer, the same layer mica tape layer is tightly wound, the overlapping coverage rate is less than 1/10, and the outer layer mica powder tape layer is wound outside the winding gap of the inner layer mica powder tape layer.
Preferably, the sheath is made of a halogen-free low-smoke flame-retardant polyolefin material.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model provides a pair of insulating steamed low cigarette fire-retardant electric wire that does not have of copper core irradiation cross-linking has effectively improved the pliability and the intensity of cable through soft protective layer, improves the shielding effect of cable through inside and outside shielding layer moreover, has good insulation and flame retardant efficiency simultaneously. The utility model discloses have low cigarette, no halogen, nontoxic and better fire behaviour, the conductor can be at 90 ℃ normal work, and the environmental protection is pollution-free, reasonable in design, and life is longer, is fit for extensive the popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural diagram of an embodiment of a copper core irradiation cross-linked insulation halogen-free low-smoke flame-retardant wire;
in the above figures, 1, core; 2. a filling layer; 3. wrapping a covering; 4. a shielding layer; 41. an inner shield layer; 42. an outer shield layer; 5. a mica powder tape layer; 6. a soft protective layer; 7. filling a net rope; 8. a Mylar film layer; 9. an armor layer; 10. a sheath.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Embodiment, as shown in fig. 1, the utility model provides a pair of insulating halogen-free low cigarette fire-retardant electric wire of copper core irradiation cross-linking, including a plurality of sinle silk 1, sinle silk 1 includes conductor 11 and sets up at the outside insulating layer 12 of conductor, is provided with filling layer 2 between sinle silk 1, and filling layer 2 is provided with outward around covering 3, shielding layer 4 and sheath 10. On this basis, the utility model provides a mica tape layer and the fine band layer of fire-retardant glass of interior outer setting are drawn including around covering 3, shielding layer 4 includes internal shield layer 41 and outer shielding layer 42, internal shield layer 41 is the aluminium foil, outer shielding layer 42 is the copper wire mesh grid, be provided with mica powder tape layer 5 between internal shield layer 41 and the outer shielding layer 42, soft protective layer 6 and packing wire rope 7, soft protective layer 6 is made by the zero halogen low cigarette polyolefin material of irradiation crosslinking, soft protective layer 6 includes the concave-convex structure that a plurality of set up along mica powder tape layer 5 outside circumference, adjacent concave-convex structure closely sets up, the wheat that is provided with inside and outside distribution between shielding layer 4 and the sheath 10 draws rete and armor.
In the device, the mica tape adopted by the mica tape layer is a high-performance mica insulation product, has excellent high-temperature resistance and combustion resistance, and the glass fiber tape adopted by the flame-retardant glass fiber tape layer plays roles of high flame retardance, oxygen isolation and fire isolation, improves the flame retardance of the product and has fireproof and insulation effects; meanwhile, under the action of the inner shielding layer 41 and the outer shielding layer 42, namely the aluminum foil and copper wire mesh grid, the shielding effect of the cable is effectively improved. The copper wire mesh grid 42 has another excellent effect that the compactness among the mica powder band layer 5, the soft protective layer 6 and the filling net rope 7 in the device can be strengthened, and the physical performance of the cable is effectively improved. Further, mica powder band 5 can increase the adhesive force of soft protective layer 6, and the structure of soft protective layer 6 is regarded as the biggest characteristics of this novel well cable of use, this soft protective layer 6's concave convex structure can provide certain week clearance for the cable, every week clearance's distance is less than 0.1mm, make the cable automatically close adjacent concave convex structure's week clearance in the bending, but soft protective layer 6 still has sufficient structural strength under the protection of packing net rope 7 and copper wire mesh grid, good anti extrusion ability has been obtained like this simultaneously, toughness and intensity, effective service life is longer. Moreover, the polyolefin material of the soft protective layer 6 has obvious performance change after radiation crosslinking, such as improvement of mechanical performance, reduction or disappearance of environmental stress cracking resistance, improvement of oxidation resistance and thermal deformation resistance, and especially obvious thin-wall insulation effect. The mylar film layer 8 has the characteristics of high insulation strength and voltage resistance, is resistant to invasion of moisture, gas, high heat and chemical substances, has low shrinkage rate, is not easy to embrittle, and is wear-resistant. Armor 9 has certain anti external force performance, can also carry and prevent that the mouse from baiting, is unlikely to see through the armor and causes the power transmission problem, and the bend radius of armor will be big, and the armor can ground connection, protection cable.
In order to improve the physical properties of cable, the utility model provides a mica powder tape layer 5 includes that inlayer mica powder tape and outer mica powder tape are two-layer, and closely twine and overlap the coverage for being less than 1/10 with the layer mica powder tape, and outer mica powder tape twines outside the winding gap of inlayer mica powder tape. The mica powder tape has good flexibility in a normal state, is suitable for main fire-resistant insulating layers in various fire-resistant cables, basically does not volatilize harmful smoke when being burnt in open fire, and is environment-friendly and pollution-free. Meanwhile, the overlapping of the two mica powder tapes ensures that the mica powder tape layer has good wear resistance and provides a good packaging foundation for the soft protective layer.
The sheath 10 is made of halogen-free low-smoke flame-retardant polyolefin material, and has good insulativity and corrosion resistance, easy processing and long service life.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (3)
1. A copper core irradiation cross-linking insulation halogen-free low-smoke flame-retardant electric wire comprises a plurality of wire cores, wherein each wire core comprises a conductor and an insulation layer arranged outside the conductor, a filling layer is arranged between the wire cores, a wrapping layer, a shielding layer and a sheath are arranged outside the filling layer, it is characterized in that the wrapping layer comprises a mica tape layer and a flame-retardant glass fiber tape layer which are arranged inside and outside, the shielding layer comprises an inner shielding layer and an outer shielding layer, the inner shielding layer is an aluminum foil, the outer shielding layer is a copper wire mesh grid, a mica powder tape layer, a soft protective layer and a filling net rope are arranged between the inner shielding layer and the outer shielding layer, the soft protective layer is made of irradiation cross-linking halogen-free low-smoke polyolefin materials, the soft protective layer comprises a plurality of concave-convex structures circumferentially arranged along the outer side of the mica powder tape layer, adjacent concave-convex structures are tightly arranged, and a mylar layer and an armor layer which are distributed inside and outside are arranged between the shielding layer and the sheath.
2. The copper core irradiation crosslinking insulation halogen-free low smoke flame retardant wire of claim 1, characterized in that, the mica powder tape layer includes two layers of inner layer mica powder tape and outer layer mica powder tape, the same layer mica tape is tightly wound and overlapping coverage rate is less than 1/10, the outer layer mica powder tape is wound outside the winding gap of the inner layer mica powder tape.
3. The copper core irradiation crosslinking insulation halogen-free low smoke flame retardant wire according to claim 2, wherein the sheath is made of halogen-free low smoke flame retardant polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162663.4U CN210837277U (en) | 2019-12-06 | 2019-12-06 | Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922162663.4U CN210837277U (en) | 2019-12-06 | 2019-12-06 | Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210837277U true CN210837277U (en) | 2020-06-23 |
Family
ID=71264648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922162663.4U Active CN210837277U (en) | 2019-12-06 | 2019-12-06 | Copper core irradiation crosslinking insulation halogen-free low-smoke flame-retardant wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210837277U (en) |
-
2019
- 2019-12-06 CN CN201922162663.4U patent/CN210837277U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper core irradiation cross-linked insulated halogen-free low smoke flame-retardant wire Effective date of registration: 20230423 Granted publication date: 20200623 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200623 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2023980038766 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A copper core irradiation cross-linked insulated halogen-free low smoke flame-retardant wire Granted publication date: 20200623 Pledgee: Liaocheng Branch of Postal Savings Bank of China Co.,Ltd. Pledgor: Liaocheng Zhengsheng Cable Co.,Ltd. Registration number: Y2024980020776 |