CN220439295U - Copper core crosslinked polyethylene insulating low smoke zero halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable - Google Patents
Copper core crosslinked polyethylene insulating low smoke zero halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable Download PDFInfo
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- CN220439295U CN220439295U CN202321669436.0U CN202321669436U CN220439295U CN 220439295 U CN220439295 U CN 220439295U CN 202321669436 U CN202321669436 U CN 202321669436U CN 220439295 U CN220439295 U CN 220439295U
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- wrapping layer
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- 239000000779 smoke Substances 0.000 title claims abstract description 38
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 23
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 19
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 19
- 239000003063 flame retardant Substances 0.000 title claims abstract description 13
- 229920000098 polyolefin Polymers 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 229910052736 halogen Inorganic materials 0.000 title claims description 8
- 150000002367 halogens Chemical class 0.000 title claims description 4
- 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 abstract description 13
- 239000003365 glass fiber Substances 0.000 claims abstract description 52
- 238000011049 filling Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 11
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 15
- 239000001301 oxygen Substances 0.000 claims description 15
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 14
- 239000000945 filler Substances 0.000 claims description 7
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 79
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 235000019504 cigarettes Nutrition 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000001151 other effect Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a copper core crosslinked polyethylene insulating low-smoke halogen-free polyolefin sheath flame-retardant B1-level fire-resistant control cable which comprises a conductor, wherein a fire-resistant mica tape is arranged outside the conductor, an insulating layer is arranged outside the fire-resistant mica tape, a filling structure is arranged outside the insulating layer, a first glass fiber tape wrapping layer is arranged outside the filling structure, a halogen-free low-smoke oxygen-isolation layer is arranged outside the first glass fiber tape wrapping layer, a second glass fiber tape wrapping layer is arranged outside the halogen-free low-smoke oxygen-isolation layer, a steel tape armor layer is arranged outside the second glass fiber tape wrapping layer, a third glass fiber tape wrapping layer is arranged outside the steel tape armor layer, and a halogen-free low-smoke outer sheath is arranged outside the third glass fiber tape wrapping layer. The utility model has the advantage of good fire resistance of the cable.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a copper core crosslinked polyethylene insulating low-smoke zero-halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable.
Background
A cable is an electrical energy or signal transmission device, typically consisting of several wires or groups of wires.
The cable in the prior art mainly realizes the flame retardant function by means of the fireproof coating layer wrapped outside the insulating layer, but the cable still has combustibility, only smoke and toxic gas generated during combustion are less than those of a common cable, so that when the cable is heated seriously due to overlarge load in the use process, the cable with poor flame retardant property is still likely to burn out, potential safety hazards are caused, even the use environment of some cables is at a high temperature or a place with high fire probability, if the fire resistance of the cable is poor, the outer protective sleeve is easily melted to cause electric leakage or cause more serious disasters, and the flame retardant B1-level fireproof control cable of the copper core crosslinked polyethylene insulating low-smoke halogen-free polyolefin protective sleeve is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the copper core crosslinked polyethylene insulating low-smoke halogen-free polyolefin sheath flame-retardant B1-level fire-resistant control cable, which has the advantage of good fire resistance of the cable, and solves the problems that the fire resistance of part of the cable is poor, and the outer layer protective sheath is easy to melt, so that electric leakage is caused or more serious disasters are caused.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the copper core crosslinked polyethylene insulating low-smoke zero-halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable comprises a conductor, a fire-resistant mica tape is arranged outside the conductor, an insulating layer is arranged outside the fire-resistant mica tape, a filling structure is arranged outside the insulating layer, a first glass fiber tape wrapping layer is arranged outside the filling structure, a halogen-free low-smoke oxygen-isolation layer is arranged outside the first glass fiber tape wrapping layer, a second glass fiber tape wrapping layer is arranged outside the halogen-free low-smoke oxygen-isolation layer, a steel tape armor layer is arranged outside the second glass fiber tape wrapping layer, a third glass fiber tape wrapping layer is arranged outside the steel tape armor layer, and a halogen-free low-smoke outer sheath is arranged outside the third glass fiber tape wrapping layer.
Further, the halogen-free low-smoke oxygen-isolation layer is extruded and coated on the first glass fiber tape wrapping layer.
Further, the insulating layer is a crosslinked polyethylene layer.
Further, the average thickness of the halogen-free low-smoke oxygen-isolating layer is 1.5 mm, and the oxygen index is more than 45.
Further, the first glass fiber tape wrapping layer, the second glass fiber tape wrapping layer, the steel tape armor layer and the third glass fiber tape wrapping layer are wrapped in two layers, and the oxygen index reaches more than 75.
Further, the thickness of the halogen-free low-smoke outer sheath is 2.1 mm.
Further, the filling structure adopts filling ropes.
Further, the filling structure adopts the filling strip, and this filling strip includes arc interconnect limit and arc outer connection limit, and they are connected through the connection limit the inside supporting edge that is equipped with of arc interconnect limit be equipped with V-arrangement supporting edge between supporting edge and the arc outer connection limit be equipped with circular passageway in the V-arrangement supporting edge the outside of arc interconnect limit is equipped with the extension limit.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. the copper core crosslinked polyethylene insulating low-smoke halogen-free polyolefin sheath flame-retardant B1-level fire-resistant control cable has the main characteristics that the fire-resistant cable is high in heat resistance level, can reach A-level fire resistance level and better in fire resistance, is provided with an insulating layer, is a crosslinked polyethylene layer, is of a three-dimensional reticular structure in molecular structure, is insoluble and not dripped, is a thermosetting material, has obvious improvement on mechanical property and heat resistance, simultaneously has excellent insulating capability, is excellent in flame resistance, low in heat productivity during combustion, and excellent in low smoke performance, and meets environmental protection performance by arranging a halogen-free low-smoke oxygen isolation layer;
2. the copper core crosslinked polyethylene insulating low-smoke halogen-free polyolefin sheath flame-retardant B1-level fire-resistant control cable comprises a first glass fiber band wrapping layer, a second glass fiber band wrapping layer, a steel tape armor layer and a third glass fiber band wrapping layer which are wrapped by two layers, wherein the oxygen index reaches above 75, the temperature index reaches 550 ℃, the halogen-free low-smoke outer sheath is a high-oxygen index high-crust low-heat release halogen-free low-smoke material with the thickness of 2.1 mm, the material is not easy to drop, and the cable body is ensured to have better fire resistance;
3. adopt the filler strip, this filler strip includes arc interconnect limit and arc outer connection limit, and they are connected through connecting the limit, are equipped with the supporting edge in the inside of arc interconnect limit, are equipped with V-arrangement supporting edge between supporting edge and arc outer connection limit, are equipped with circular passageway in the V-arrangement supporting edge, are equipped with the extension limit in the outside of arc interconnect limit, make inside supportability good to can place the sinle silk of other effects in circular passageway, make the function compound diversified.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is a schematic structural view of the filler strip according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1, the copper core crosslinked polyethylene insulation low-smoke zero-halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable comprises a conductor 1, wherein a fire-resistant mica tape 2 is arranged outside the conductor 1, an insulating layer 3 is arranged outside the fire-resistant mica tape 2, the insulating layer 3 is a crosslinked polyethylene layer, a filling structure 4 is arranged outside the insulating layer 3, the filling structure 4 adopts a filling rope, a first glass fiber band wrapping layer 5 is arranged outside the filling structure 4, a halogen-free low-smoke oxygen-isolating layer 6 is arranged outside the first glass fiber band wrapping layer 5 in a squeezing mode, the average thickness of the halogen-free low-smoke oxygen-isolating layer 6 is 1.5 mm, the oxygen index reaches more than 45, a second glass fiber band wrapping layer 7 is arranged outside the halogen-free low-smoke oxygen-isolating layer 6, a steel tape armor layer 8 is arranged outside the second glass fiber band wrapping layer 7, a third glass fiber band wrapping layer 9 is arranged outside the insulating layer 8, the first glass fiber band wrapping layer 5, the second glass fiber band wrapping layer 7 and the third glass fiber band wrapping layer 10 reach the thickness of the first glass fiber band wrapping layer, and the second glass fiber band wrapping layer 10, and the third glass fiber band wrapping layer 10 reach the average thickness of the halogen-free low-smoke zero-halogen polyolefin sheath layer 10.
Example 2
As shown in fig. 1 and 2, the copper core crosslinked polyethylene insulation low smoke zero halogen polyolefin sheath flame retardant B1-level fire resistant control cable of the utility model comprises a conductor 1, wherein a fire resistant mica tape 2 is arranged outside the conductor 1, an insulation layer 3 is arranged outside the fire resistant mica tape 2, the insulation layer 3 is a crosslinked polyethylene layer, a filling structure 4 is arranged outside the insulation layer 3, the filling structure 4 adopts a filling strip, the filling strip comprises an arc inner connecting edge 4.1 and an arc outer connecting edge 4.2 which are connected through a connecting edge 4.3, a supporting edge 4.4 is arranged inside the arc inner connecting edge 4.1, a V-shaped supporting edge 4.5 is arranged between the supporting edge 4.4 and the arc outer connecting edge 4.2, a circular channel 4.6 is arranged inside the V-shaped supporting edge 4.5, an extension edge 4.7 is arranged outside the arc inner connecting edge 4.1, the outside of filling structure 4 is provided with first glass fiber ribbon wrapping layer 5, the outside extrusion of first glass fiber ribbon wrapping layer 5 is equipped with no steamed low cigarette oxygen barrier layer 6, no steamed low cigarette oxygen barrier layer 6 average thickness is 1.5 millimeters, and oxygen index reaches more than 45, the outside of no steamed low cigarette oxygen barrier layer 6 is provided with second glass fiber ribbon wrapping layer 7, the outside of second glass fiber ribbon wrapping layer 7 is provided with steel tape armor layer 8, the outside of steel tape armor layer 8 is provided with third glass fiber ribbon wrapping layer 9, first glass fiber ribbon wrapping layer 5, second glass fiber ribbon wrapping layer 7, steel tape armor layer 8, third glass fiber ribbon wrapping layer 9 are all wrapped two-layer, and oxygen index reaches more than 75, the outside of third glass fiber ribbon wrapping layer 9 is provided with no steamed low cigarette oversheath 10, no steamed low cigarette oversheath 10 thickness is 2.1 millimeters.
The utility model has the main characteristics of high heat resistance, high grade A fire resistance, better fire resistance, and a crosslinked polyethylene layer, wherein the crosslinked polyethylene has a three-dimensional reticular structure, is insoluble and non-dripping, is a thermosetting material, has obviously improved mechanical property and heat resistance, has excellent insulating capability, has excellent flame resistance, low heat productivity during combustion, and meets environmental protection performance by arranging the fire-resistant mica tape, has high expansion coefficient, high dielectric strength, high resistivity and uniform dielectric constant; the first glass fiber tape wrapping layer, the second glass fiber tape wrapping layer, the steel tape armor layer and the third glass fiber tape wrapping layer are wrapped in two layers, the oxygen index reaches above 75, the temperature index reaches 550 ℃, the halogen-free low-smoke outer sheath is a halogen-free low-smoke material with high oxygen index, high crust and low heat release, the thickness is 2.1 mm, the material is not easy to drip, and the cable body is ensured to have better fire resistance; adopt the filler strip, this filler strip includes arc interconnect limit and arc outer connection limit, and they are connected through connecting the limit, are equipped with the supporting edge in the inside of arc interconnect limit, are equipped with V-arrangement supporting edge between supporting edge and arc outer connection limit, are equipped with circular passageway in the V-arrangement supporting edge, are equipped with the extension limit in the outside of arc interconnect limit, make inside supportability good to can place the sinle silk of other effects in circular passageway, make the function compound diversified.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a fire-retardant B1 level fire-resistant control cable of insulating low smoke and zero halogen polyolefin sheath of copper core crosslinked polyethylene, includes conductor (1), its characterized in that: the high-voltage cable conductor is characterized in that a fire-resistant mica tape (2) is arranged outside the conductor (1), an insulating layer (3) is arranged outside the fire-resistant mica tape (2), a filling structure (4) is arranged outside the insulating layer (3), a first glass fiber tape wrapping layer (5) is arranged outside the filling structure (4), a halogen-free low-smoke oxygen-isolation layer (6) is arranged outside the first glass fiber tape wrapping layer (5), a second glass fiber tape wrapping layer (7) is arranged outside the halogen-free low-smoke oxygen-isolation layer (6), a steel tape armor layer (8) is arranged outside the second glass fiber tape wrapping layer (7), a third glass fiber tape wrapping layer (9) is arranged outside the steel tape armor layer (8), and a halogen-free low-smoke outer sheath (10) is arranged outside the third glass fiber tape wrapping layer (9);
the halogen-free low-smoke oxygen-isolating layer (6) is extruded and covered on the first glass fiber band wrapping layer (5);
the insulating layer (3) is a crosslinked polyethylene layer;
the average thickness of the halogen-free low-smoke oxygen-isolating layer (6) is 1.5 mm, and the oxygen index is more than 45;
the first glass fiber tape wrapping layer (5), the second glass fiber tape wrapping layer (7), the steel tape armor layer (8) and the third glass fiber tape wrapping layer (9) are wrapped in two layers, and the oxygen index is more than 75;
the thickness of the halogen-free low-smoke outer sheath (10) is 2.1 mm;
filling structure (4) adopts the filler strip, and this filler strip includes arc interconnect limit (4.1) and arc external connection limit (4.2), and they are connected through connecting limit (4.3) inside supporting edge (4.4) that is equipped with of arc interconnect limit (4.1) be equipped with V-arrangement supporting edge (4.5) between supporting edge (4.4) and the arc external connection limit (4.2) be equipped with circular passageway (4.6) in V-arrangement supporting edge (4.5) the outside limit (4.7) that extends of arc interconnect limit (4.1) are equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669436.0U CN220439295U (en) | 2023-06-29 | 2023-06-29 | Copper core crosslinked polyethylene insulating low smoke zero halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321669436.0U CN220439295U (en) | 2023-06-29 | 2023-06-29 | Copper core crosslinked polyethylene insulating low smoke zero halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220439295U true CN220439295U (en) | 2024-02-02 |
Family
ID=89697635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321669436.0U Active CN220439295U (en) | 2023-06-29 | 2023-06-29 | Copper core crosslinked polyethylene insulating low smoke zero halogen polyolefin sheath flame-retardant B1-level fire-resistant control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220439295U (en) |
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2023
- 2023-06-29 CN CN202321669436.0U patent/CN220439295U/en active Active
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