CN210606685U - Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire - Google Patents
Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire Download PDFInfo
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- CN210606685U CN210606685U CN201921747191.2U CN201921747191U CN210606685U CN 210606685 U CN210606685 U CN 210606685U CN 201921747191 U CN201921747191 U CN 201921747191U CN 210606685 U CN210606685 U CN 210606685U
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- 229920000098 polyolefin Polymers 0.000 title claims abstract description 25
- 239000004020 conductor Substances 0.000 claims abstract description 45
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 238000000576 coating method Methods 0.000 claims abstract description 18
- 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 claims abstract description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003063 flame retardant Substances 0.000 claims abstract description 16
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 230000017105 transposition Effects 0.000 claims abstract description 6
- 238000001125 extrusion Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 18
- 238000007765 extrusion coating Methods 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 abstract description 21
- 238000005452 bending Methods 0.000 abstract description 5
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 59
- 239000011810 insulating material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003365 glass fiber Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- -1 fluorine ions Chemical class 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an insulating high temperature resistant electric wire of environment-friendly nature crosslinked polyolefin, including conductor and flame retardant coating and insulating layer, the conductor includes central wire and edge wire circle, and central wire runs through edge wire circle, and central wire and edge wire circle are connected through the mode of transposition, the flame retardant coating includes that the inlayer winds the package and the skin winds the package, and the inlayer winds the outer wall connection of package inner circle and edge wire circle, and the inlayer meets around the outer lane of package and the outer inner circle of winding the package. Above-mentioned an environment-friendly natural crosslinking polyolefin insulation high temperature resistant electric wire comprises conductor and flame retardant coating and insulating layer, and the conductor after adopting the transposition will be softer than the single copper wire of same diameter much, and its bending property of the electric wire of making is also better, and the conductor structure who adopts single copper wire is simpler, and is easier to process, and the flame retardant coating includes that the inlayer winds the package and the skin winds the package, adopts the bilayer to overlap around the package technology, and the parcel is more fastened, and synthetic mica has good high temperature resistance and combustion resistance ability.
Description
Technical Field
The utility model belongs to the technical field of an insulating high temperature resistant electric wire technique and specifically relates to an insulating high temperature resistant electric wire of environment-friendly nature crosslinked polyolefin.
Background
With the improvement of fire safety and public safety awareness in the building industry, for public safety building places such as hotels, markets, stations, airports and the like, the requirements for low smoke, halogen free, flame retardant, fire resistance, environmental protection and safety of electric wires and cables become an important performance index, which represents the development trend of the current electric wires and cables, and the traditional home decoration electric wires cannot meet the market requirements. The traditional production process of the cross-linked polyolefin insulated wire is generally radiation cross-linking or ultraviolet radiation cross-linking, the equipment investment is very high by adopting the two cross-linking modes, the cross-linking modes are generally different from 600 to 2000 ten thousand yuan, and the realization difficulty is very high for small and medium-sized cable enterprises. The environment-friendly natural cross-linking polyolefin insulated wire adopts a natural cross-linking polyolefin insulating material, common extrusion equipment is used, extrusion is carried out, the insulating material can realize natural cross-linking after the production of finished products is finished, the cross-linking time is generally two days, a product with a large extrusion thickness can not exceed five days, and the requirement of a user can be met.
SUMMERY OF THE UTILITY MODEL
In view of the above, there is a need for an environment-friendly natural crosslinked polyolefin insulated high-temperature-resistant wire with a simple structure and low cost, which is insulated and resistant to high temperature.
The utility model provides an insulating high temperature resistant electric wire of environment-friendly natural crosslinking polyolefin, includes conductor and flame retardant coating and insulating layer, and the conductor includes central wire and edge wire circle, and central wire runs through edge wire circle, and central wire and edge wire circle are connected through the mode of transposition, the flame retardant coating includes that the inlayer winds the package and the skin winds the package, and the inlayer winds the outer wall connection of package inner circle and edge wire circle, and the inlayer meets around the outer lane of package and the outer inner circle of winding the package, and the inlayer links to each other around the outer wall of package and the inner wall of insulating layer, be connected with the shielding layer on the outer wall of insulating layer, the parcel has the restrictive coating on the outer wall.
Preferably, the edge wire coil is a wire coil formed by arranging six central wires in an annular shape at equal intervals, and the central wires are made of annealed copper wire materials.
Preferably, the inner layer is lapped around the package and is all formed by adopting the overlapping lapping technology with the outer layer, and the overlapping rate of the inner layer is not less than 50% with the outer layer, and the inner layer is lapped around the package and is lapped around the package with the outer layer and is synthetic mica tape material.
Preferably, the insulating layer is made of a naturally cross-linked polyolefin material and is processed by adopting an extrusion type extrusion coating process.
Preferably, the shielding layer is a member woven by a tin-plated copper wire material.
The utility model provides an insulating high temperature resistant electric wire of environment-friendly natural cross-linking polyolefin, constitute by conductor and flame retardant coating and insulating layer, the conductor after adopting the transposition will be softer than the single copper wire of same diameter much, its bending property of the electric wire of making is also better, the conductor structure who adopts single copper wire is simpler, it is easier to process, the flame retardant coating includes that the inlayer winds the package and the skin winds the package, adopt double-deck overlapping to wind the package technology, the parcel is more fastened, and synthetic mica has good high temperature resistance and fire resistance, the insulating layer is natural cross-linking polyolefin material, use ordinary extrusion molding equipment, the extrusion formula is extruded, insulating material can realize natural cross-linking after finished product production, the cross-linking time generally is two days, can not exceed five days to the great product of extruding thickness yet, can satisfy user's demand, reduce the cost.
Drawings
FIG. 1 is an overall block diagram of an embodiment of the present invention;
FIG. 2 is a diagram of a refractory layer according to an embodiment of the present invention;
FIG. 3 is a diagram of a second embodiment of the present invention;
fig. 4 is a third structural diagram of an embodiment of the present invention.
In the figure: 1. a conductor; 11. a center conductor; 12. an edge wire loop; 2. a refractory layer; 21. wrapping the inner layer; 22. wrapping the outer layer; 3. an insulating layer; 31. a shielding layer; 32. a sheath layer.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, with reference to the accompanying drawings and embodiments, will explain the environment-friendly natural crosslinked polyolefin insulated high temperature resistant electric wire of the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The first embodiment is as follows:
referring to fig. 1-2, an environment-friendly natural cross-linked polyolefin insulated high temperature resistant electric wire according to an embodiment of the present invention includes a conductor 1, a flame retardant coating 2 and an insulating layer 3, the conductor 1 includes a center conductor 11 and an edge conductor 12, the center conductor 11 penetrates the edge conductor 12, and the center conductor 11 and the edge conductor 12 are connected by twisting, the edge conductor 12 is a conductor loop formed by six center conductors 11 arranged annularly at equal intervals, the center conductor 11 and the edge conductor 12 are twisted together by regular twisting to form a conductor 1 with a larger diameter, the center conductor 11 is an annealed copper wire material, the flexibility of the annealed copper wire material is greatly improved compared with that before annealing to eliminate stress and defects in the center conductor 11, the direct current resistance of the center conductor 11 at 20 ℃ meets the relevant regulations of GB/T3956-2008, the flame retardant coating 2 includes an inner layer wrapping 21 and an outer layer wrapping 22, the inner ring of the inner layer wrapping 21 is connected with the outer wall of the edge coil 12, the outer ring of the inner layer wrapping 21 is connected with the inner ring of the outer layer wrapping 22, the outer wall of the inner layer wrapping 21 is connected with the inner wall of the insulating layer 3, the inner layer wrapping 21 and the outer layer wrapping 22 are processed by adopting an overlapping wrapping process, the overlapping rate of the inner layer wrapping 21 and the outer layer wrapping 22 is not less than 50 percent, the inner layer wrapping 21 and the outer layer wrapping 22 are both made of synthetic mica tape materials, the synthetic mica tape materials are wrapped outside the conductor 1 to be at least two layers after the single-layer processing of the inner layer wrapping 21 is finished, after the outer layer wrapping 22 is finished, the synthetic mica tape materials are wrapped outside the conductor 1 to be at least four layers, the synthetic mica uses fluorine ions to replace hydroxyl groups, the synthetic mica has large size and complete crystal form, has excellent high temperature resistance and combustion resistance, and the highest working temperature can reach above 950 ℃, the outer wall of the insulating layer 3 is connected with a shielding layer 31, the shielding layer 31 is a component woven by a tinned copper wire material, and can prevent corrosion, shield an electric field and a magnetic field, so that power transmission and control signal transmission are not interfered with each other, information transmission is accurate, and electric energy loss is reduced, the outer wall of the shielding layer 31 is wrapped with a sheath layer 32, the sheath layer 32 is made of a mixed material of silicon resin and glass fiber and is processed by an extrusion type extrusion wrapping process, a very firm film is formed after solidification, bubbles and peeling are avoided, the toughness is strong, the glass fiber cloth and the glass fiber sleeve which are treated by the silicon resin can still keep the original appearance and excellent tearing resistance after being repeatedly bent, the phenomenon of opening scattering is avoided, the conductor 1 is convenient to bend, the insulating layer 3 is made of a natural cross-linked polyolefin material, and the polyolefin has small relative density, chemical resistance and good water resistance, good mechanical strength, electrical insulation nature etc. characteristics, and insulating layer 3 adopts extrusion formula crowded package technology to process and forms, uses ordinary extrusion molding equipment, and the extrusion formula is extruded, and insulating material can realize the natural crosslinking after finished product production, and the crosslinking time generally is two days, can not exceed five days to the great product that extrudes thickness of specification yet, can satisfy user's demand.
The working process is as follows: during production, the central lead 11 and the edge lead coil 12 are twisted together in a regular twisting mode to form a conductor 1 with a larger diameter, an inner layer wrapping 21 and an outer layer wrapping 22 are wound at one end of the conductor 1, the overlapping rate of the inner layer wrapping 21 and the outer layer wrapping 22 is not less than 50%, after the wrapping is finished, the insulating layer 3 is extruded, common extrusion equipment is used for extrusion, the conductor is extruded in an extrusion mode and connected with a shielding layer 31, after the natural crosslinking of the insulating material is finished, finally, the sheath layer 32 is extruded through the extrusion equipment, a very firm film is formed after the sheath layer 32 is cured, when the cable is used, the conductor 1 completes signal transmission, the high-temperature resistance and the combustion resistance of the flame retardant coating 2 can effectively prevent the ignition of the inner conductor 1, the insulating layer 3 is insulated, the shielding layer 31 can prevent corrosion, and an electric field and a magnetic field are shielded, so that the electric power, information transmission is accurate, reduces the power consumption, and restrictive coating 32 plays the protection, conveniently bends.
Example two:
referring to fig. 3, in this embodiment, the number of the edge wire loops 12 is not less than two, and the inner ring of the outer edge wire loop 12 just wraps the inner edge wire loop 12, and other structures are the same as those in the first embodiment, in the case of the conductor 1 with the same diameter in this embodiment, the diameter of the central wire 11 is smaller than that of the central wire 11 in the first embodiment, and the stranded conductor 1 is much softer than a single copper wire with the same diameter, so that the bending performance of the manufactured electric wire is better, and the more the number of the single wires is, the softer the stranded wire is, and the stranded wire is suitable for an area needing to be repeatedly bent or a place with a larger bending degree.
Example three:
referring to fig. 4, in the present embodiment, the conductor 1 is formed by a single annealed round copper wire, the single annealed round copper wire in the present embodiment replaces the center wire 11 and the edge wire loop 12 in the first embodiment, and other structures are the same as those in the first embodiment.
In summary, the following steps: the utility model provides an environment-friendly natural cross-linking polyolefin insulation high temperature resistant electric wire, by conductor 1 and flame retardant coating 2 and insulating layer 3 constitution, conductor 1 after adopting the transposition is more softer than the single copper wire of the same diameter, its bending property of the electric wire made is also better, conductor 1 structure that adopts single copper wire is simpler, it is easier to process, flame retardant coating 2 includes inlayer around package 21 and skin around package 22, adopt double-deck overlapping around the package technology, the parcel is more firm, and synthetic mica has good high temperature resistance and combustion resistance, insulating layer 3 is natural cross-linking polyolefin material, use ordinary extrusion molding equipment, the extrusion formula is extruded, insulating material can realize the natural cross-linking after finished product production, the cross-linking time generally is two days, it is thicker not can also to extrude the product of thickness to the specification great, can satisfy user's demand, the cost is reduced.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description in any form, and although the present invention has been disclosed with reference to the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention.
Claims (5)
1. The utility model provides an insulating high temperature resistant electric wire of environment-friendly nature crosslinked polyolefin, includes conductor (1) and flame retardant coating (2) and insulating layer (3), its characterized in that: conductor (1) includes central wire (11) and edge wire circle (12), and central wire (11) runs through edge wire circle (12), and central wire (11) and edge wire circle (12) are connected through the mode of transposition, flame retardant coating (2) include that the inlayer winds package (21) and skin around package (22), and the inlayer winds the outer wall connection of package (21) inner circle and edge wire circle (12), and the inlayer winds the outer lane of package (21) and connects with the outer inner circle of package (22) around, and the inlayer is continuous with the inner wall of insulating layer (3) around the outer wall of package (21), be connected with shielding layer (31) on the outer wall of insulating layer (3), and the parcel has restrictive coating (32) on the outer wall of shielding layer (31).
2. The environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire of claim 1, wherein: the edge lead coils (12) are lead coils formed by arranging six central leads (11) in an annular shape at equal intervals, and the central leads (11) are made of annealed copper wire materials.
3. The environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire of claim 1, wherein: the inner layer is around package (21) and outer layer is around package (22) and all adopts overlapping around the package technology processing to form, and the inner layer is around package (21) and outer layer is around package (22) overlap ratio and is not less than 50%, and the inner layer is around package (21) and outer layer is synthetic mica tape material around package (22).
4. The environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire of claim 1, wherein: the insulating layer (3) is made of a naturally cross-linked polyolefin material, and the insulating layer (3) is processed by adopting an extrusion type extrusion coating process.
5. The environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire of claim 1, wherein: the shielding layer (31) is a component woven by tin-plated copper wire materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747191.2U CN210606685U (en) | 2019-10-17 | 2019-10-17 | Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747191.2U CN210606685U (en) | 2019-10-17 | 2019-10-17 | Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210606685U true CN210606685U (en) | 2020-05-22 |
Family
ID=70690744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921747191.2U Expired - Fee Related CN210606685U (en) | 2019-10-17 | 2019-10-17 | Environment-friendly natural cross-linked polyolefin insulated high-temperature-resistant wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210606685U (en) |
-
2019
- 2019-10-17 CN CN201921747191.2U patent/CN210606685U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |