CN216719519U - Mica tape mineral insulation isolated flexible fireproof cable - Google Patents
Mica tape mineral insulation isolated flexible fireproof cable Download PDFInfo
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- CN216719519U CN216719519U CN202122968560.4U CN202122968560U CN216719519U CN 216719519 U CN216719519 U CN 216719519U CN 202122968560 U CN202122968560 U CN 202122968560U CN 216719519 U CN216719519 U CN 216719519U
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- diameter
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- mica tape
- arranged outside
- small
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 60
- 239000011707 mineral Substances 0.000 title claims abstract description 60
- 238000009413 insulation Methods 0.000 title claims abstract description 44
- 239000010445 mica Substances 0.000 title claims abstract description 34
- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 34
- 239000004020 conductor Substances 0.000 claims abstract description 33
- 239000003063 flame retardant Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 12
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 12
- 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 11
- 239000000779 smoke Substances 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
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Abstract
The utility model relates to a mica tape mineral insulation isolation type flexible fireproof cable which comprises a large-diameter insulation wire core and a small-diameter insulation wire core, wherein a plurality of large-diameter insulation wire cores and small-diameter insulation wire cores are externally tangent to form a cable core, a mineral isolation layer is arranged in a gap of the cable core, a halogen-free flame retardant tape is arranged outside the mineral isolation layer, a halogen-free low-smoke outer sheath is arranged outside the halogen-free flame retardant tape, the large-diameter insulation wire core comprises a large-diameter conductor, a mica tape mineral insulation layer I is arranged outside the large-diameter conductor, an XLPE insulation layer I is arranged outside the mica tape mineral insulation layer I, the small-diameter insulation wire core comprises a small-diameter conductor, a mica tape mineral insulation layer II is arranged outside the small-diameter conductor, and an XLPE insulation layer II is arranged outside the mica tape mineral insulation layer II. The utility model has low manufacturing cost, effectively improves the insulating property and has good flame-retardant and fireproof effects by adopting different insulating layers to match with the isolating layer.
Description
Technical Field
The utility model relates to a cable, in particular to a fireproof cable.
Background
With the acceleration of industrialization and urbanization, various fire accidents frequently occur, and great loss of lives and properties is caused. Furthermore, with the increasing awareness of fire protection, fire-resistant cables must be selected for different purposes in some electrical distribution lines in developed countries. The domestic electric power department also popularizes and uses the fireproof cable in high-rise buildings and entertainment places in cities.
The existing fireproof cable generally has the problems of common insulating property, poor flame-retardant and fireproof effect, high integral manufacturing cost and the like.
Disclosure of Invention
The purpose of the utility model is as follows: the utility model aims to overcome the defects in the prior art and provide the mica tape mineral insulation isolated flexible fireproof cable which is low in manufacturing cost, effectively improves the insulation performance by matching different insulation layers with isolation layers, and is good in flame-retardant and fireproof effects.
The technical scheme is as follows: in order to solve the technical problem, the mica tape mineral insulation isolated flexible fireproof cable comprises a large-diameter insulation wire core and a small-diameter insulation wire core, wherein the large-diameter insulation wire core and the small-diameter insulation wire core are externally tangent to form a cable core, a mineral isolation layer is arranged in a gap of the cable core, a halogen-free flame retardant tape is arranged outside the mineral isolation layer, a halogen-free low-smoke outer sheath is arranged outside the halogen-free flame retardant tape, the large-diameter insulation wire core comprises a large-diameter conductor, a mica tape mineral insulation layer I is arranged outside the large-diameter conductor, an XLPE insulation layer I is arranged outside the mica tape mineral insulation layer I, the small-diameter insulation wire core comprises a small-diameter conductor, a mica tape mineral insulation layer II is arranged outside the small-diameter conductor, and an XLPE insulation layer II is arranged outside the mica tape mineral insulation layer II.
Further, the large-diameter conductor and the small-diameter conductor are both stranded copper conductors.
Furthermore, five large-diameter insulated wire cores and five small-diameter insulated wire cores are arranged.
Further, the mineral isolation layer is a mineral mud layer.
Has the advantages that: compared with the prior art, the utility model has the following remarkable advantages: the utility model has reasonable integral structure arrangement, adopts a large-diameter insulated wire core and a small-diameter insulated wire core, the large-diameter insulated wire core comprises a large-diameter conductor, a mica tape mineral insulating layer I is arranged outside the large-diameter conductor, an XLPE insulating layer I is arranged outside the mica tape mineral insulating layer I, the small-diameter insulated wire core comprises a small-diameter conductor, a mica tape mineral insulating layer II is arranged outside the small-diameter conductor, an XLPE insulating layer II is arranged outside the mica tape mineral insulating layer II, mineral isolating layers are arranged outside the large-diameter insulated wire core and the small-diameter insulated wire core, the insulating property is effectively improved and the flame-retardant and fire-retardant effect is good by arranging different insulating layer matching isolating layers, the product has the flame-retardant property meeting BS8491, BS6387 and GB/T19216.21, the flame-retardant property meeting the A grade specified by GB/T19666, the B1 grade specified by GB31247, the insulated resistance, the actually measured insulated resistance is more than 10000M omega.km at the working temperature, in addition, the mineral isolating layer adopts the mineral mud which is easy to process, reliable in performance and low in cost as the material of the fireproof isolating layer, and the component proportion in the mineral mud is adjusted, so that the comprehensive performance of the mineral mud is optimal, the cost is low, and the mineral mud meets the actual use requirement.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in figure 1, the mica tape mineral insulation isolated flexible fireproof cable comprises five major-diameter insulation wire cores and five minor-diameter insulation wire cores which are externally tangent to form a cable core, a mineral isolation layer 1 is arranged in the gap of the cable core, the mineral isolation layer 1 is a mineral mud layer, a halogen-free flame retardant tape 2 is arranged outside the mineral isolation layer 1, a halogen-free low-smoke outer sheath 3 is arranged outside the halogen-free flame retardant tape 2, the major-diameter insulation wire cores comprise major-diameter conductors 4, mica tape mineral insulation layers I5 are arranged outside the major-diameter conductors 4, XLPE insulation layers I6 are arranged outside the mica tape mineral insulation layers I5, the minor-diameter insulation wire cores comprise minor-diameter conductors 7, the major-diameter conductors 4 and the minor-diameter conductors 7 are stranded copper conductors, mica tape mineral insulation layers II 8 are arranged outside the minor-diameter conductors 7, and an XLPE insulating layer II 9 is arranged outside the mica tape mineral insulating layer II 8.
The utility model has reasonable integral structure arrangement, adopts a large-diameter insulated wire core and a small-diameter insulated wire core, the large-diameter insulated wire core comprises a large-diameter conductor, a mica tape mineral insulating layer I is arranged outside the large-diameter conductor, an XLPE insulating layer I is arranged outside the mica tape mineral insulating layer I, the small-diameter insulated wire core comprises a small-diameter conductor, a mica tape mineral insulating layer II is arranged outside the small-diameter conductor, an XLPE insulating layer II is arranged outside the mica tape mineral insulating layer II, mineral isolating layers are arranged outside the large-diameter insulated wire core and the small-diameter insulated wire core, the insulating property is effectively improved and the flame-retardant and fire-retardant effect is good by arranging different insulating layer matching isolating layers, the product has the flame-retardant property meeting BS8491, BS6387 and GB/T19216.21, the flame-retardant property meeting the A grade specified by GB/T19666, the B1 grade specified by GB31247, the insulated resistance, the actually measured insulated resistance is more than 10000M omega.km at the working temperature, in addition, the mineral isolating layer adopts the mineral mud which is easy to process, reliable in performance and low in cost as the material of the fireproof isolating layer, and the component proportion in the mineral mud is adjusted, so that the comprehensive performance of the mineral mud is optimal, the cost is low, and the mineral mud meets the actual use requirement.
The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.
Claims (4)
1. Mica tape mineral insulation isolated form flexible fireproof cable, its characterized in that: it comprises a large-diameter insulated wire core and a small-diameter insulated wire core, wherein a plurality of large-diameter insulated wire cores and small-diameter insulated wire cores are externally tangent to form a cable core, a mineral isolation layer (1) is arranged in the gap of the cable core, a halogen-free flame-retardant belt (2) is arranged outside the mineral isolation layer (1), a halogen-free low-smoke outer sheath (3) is arranged outside the halogen-free flame-retardant belt (2), the large-diameter insulated wire core comprises a large-diameter conductor (4), a mica tape mineral insulating layer I (5) is arranged outside the large-diameter conductor (4), an XLPE insulating layer I (6) is arranged outside the mica tape mineral insulating layer I (5), the small-diameter insulating wire core comprises a small-diameter conductor (7), a mica tape mineral insulating layer II (8) is arranged outside the small-diameter conductor (7), and an XLPE insulating layer II (9) is arranged outside the mica tape mineral insulating layer II (8).
2. The mica tape mineral insulation isolated flexible fireproof cable of claim 1, wherein: the large-diameter conductor (4) and the small-diameter conductor (7) are stranded copper conductors.
3. The mica tape mineral insulation isolated flexible fireproof cable of claim 1, wherein: five large-diameter insulated wire cores and five small-diameter insulated wire cores are arranged.
4. The mica tape mineral insulation isolated flexible fireproof cable of claim 1, wherein: the mineral isolation layer (1) is a mineral mud layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968560.4U CN216719519U (en) | 2021-11-30 | 2021-11-30 | Mica tape mineral insulation isolated flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122968560.4U CN216719519U (en) | 2021-11-30 | 2021-11-30 | Mica tape mineral insulation isolated flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719519U true CN216719519U (en) | 2022-06-10 |
Family
ID=81881936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122968560.4U Active CN216719519U (en) | 2021-11-30 | 2021-11-30 | Mica tape mineral insulation isolated flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216719519U (en) |
-
2021
- 2021-11-30 CN CN202122968560.4U patent/CN216719519U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |