CN212461181U - Flexible mineral insulation fireproof cable - Google Patents
Flexible mineral insulation fireproof cable Download PDFInfo
- Publication number
- CN212461181U CN212461181U CN202021510273.8U CN202021510273U CN212461181U CN 212461181 U CN212461181 U CN 212461181U CN 202021510273 U CN202021510273 U CN 202021510273U CN 212461181 U CN212461181 U CN 212461181U
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- China
- Prior art keywords
- tape layer
- layer
- ceramic composite
- wall
- fireproof cable
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- 238000009413 insulation Methods 0.000 title claims abstract description 18
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 14
- 239000011707 mineral Substances 0.000 title claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 34
- 239000000919 ceramic Substances 0.000 claims abstract description 33
- 239000003365 glass fiber Substances 0.000 claims abstract description 14
- 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 description 17
- 239000004020 conductor Substances 0.000 claims description 9
- 229920000098 polyolefin Polymers 0.000 claims description 8
- 239000012784 inorganic fiber Substances 0.000 claims description 7
- 239000011152 fibreglass Substances 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 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 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The application discloses flexible mineral insulation fireproof cable includes: the cable comprises a plurality of insulating wire cores, a ceramic composite belt layer, an alkali-free glass fiber belt layer and an outer sheath, wherein the ceramic composite belt layer is wound on the outer wall of the cabled insulating wire cores; the alkali-free glass fiber tape layer is wound on the outer wall of the ceramic composite tape layer; the outer sheath is sleeved outside the alkali-free glass fiber belt layer. The cable has the advantages of low production cost, excellent flexibility, and good fireproof and insulating properties.
Description
Technical Field
The application relates to a flexible mineral insulation fireproof cable, and belongs to the field of cable transmission.
Background
Along with the development of national economy, the fireproof requirement of buildings is higher and higher, and the fireproof requirement of cables for power supply and distribution is also used as an important index of national standards or industrial standards, wherein the power supply cables for high-rise buildings or densely populated areas must be mineral insulated cables.
The two existing mineral cables are magnesium oxide insulation copper sheath mineral insulation cables, and a copper pricked grain mineral insulation cable is also provided in recent years, but the two cables are hard, difficult to install and lay, and often have the phenomenon of voltage breakdown after power-on after construction, and the manufacturing cost is high, so that the flexible mineral insulation fireproof cable with lower production cost and more excellent performance has great significance in replacing the traditional rigid fireproof cable.
SUMMERY OF THE UTILITY MODEL
The present application provides a flexible mineral insulated fireproof cable for solving the above technical problems.
The application provides a flexible mineral insulation fireproof cable, include: a plurality of insulating wire cores, a ceramic composite tape layer, an alkali-free glass fiber tape layer and an outer sheath,
the ceramic composite tape layer is wound on the outer wall of the cabled insulated wire core;
the alkali-free glass fiber tape layer is wound on the outer wall of the ceramic composite tape layer;
the outer sheath is sleeved outside the alkali-free glass fiber belt layer.
Preferably, the insulated wire core comprises: a conductor, a synthetic mica tape layer and a ceramic composite tape layer;
the synthetic mica tape layer is wound on the outer wall of the conductor;
the ceramic composite belt layer is wound on the outer wall of the synthetic mica belt layer.
Preferably, the insulated wire core comprises: and the polyolefin insulating layer is wound on the outer wall of the ceramic composite tape layer.
Preferably, the ceramic composite belt layer wound on the outer walls of the insulating wire cores is 2-4 layers.
Preferably, the ceramic composite belt layer wound on the outer wall of the synthetic mica belt layer is 2 layers.
Preferably, the synthetic mica tape layer is 2-4 layers.
Preferably, the alkali-free fiberglass tape layer is replaced with a metallic armor layer.
Preferably, the wall thickness of the outer sheath is 1.5-2 mm.
Preferably, the method comprises the following steps: inorganic fiber ropes are filled among the plurality of insulating wire cores and between the insulating wire cores and the inner wall of the ceramic composite belt layer.
The beneficial effects that this application can produce include:
1) the application provides a flexible mineral insulation fireproof cable, low in production cost, softness can be superior, has better fire prevention, insulating properties simultaneously.
Drawings
Fig. 1 is a schematic cross-sectional front view of a flexible mineral-insulated fireproof cable provided by the present application;
illustration of the drawings:
11. a conductor; 12. a synthetic mica tape layer; 13. ceramizing the composite tape layer; 14. a polyolefin insulating layer; 21. an alkali-free fiberglass tape layer; 22. an outer sheath; 23. inorganic fiber rope.
Detailed Description
The present application will be described in detail with reference to examples, but the present application is not limited to these examples.
Referring to fig. 1, the present application provides a flexible mineral insulated fireproof cable comprising: the cable comprises a plurality of insulation wire cores, a ceramic composite tape layer 13, an alkali-free glass fiber tape layer 21 and an outer sheath 22, wherein the ceramic composite tape layer 13 is wound on the outer wall of the cabled insulation wire core; the alkali-free glass fiber tape layer 21 is wound on the outer wall of the ceramic composite tape layer 13; the outer sheath 22 is sleeved outside the alkali-free fiberglass tape layer 21.
The ceramic composite belt layer 13 is wound outside the insulated wire core, so that the fireproof capacity of the insulated wire core can be ensured, and the fireproof cable has excellent physical and mechanical properties and good electrical properties, thereby improving the flexibility and mechanical properties of the cable while preventing fire. The alkali-free glass fiber tape layer 21 has insulating property and strong flexibility, can effectively enhance the flexibility of the cable, and simultaneously protects the use safety and prevents electric leakage. Meanwhile, the two material layers have high toughness, excellent mechanical properties and high use safety. Meanwhile, the two layer structures have lower cost and are beneficial to reducing the cost of the cable.
The cable with the advantages can be manufactured by arranging the insulated wire cores according to the conventional structure in the prior art.
Preferably, the insulated wire core comprises: a conductor 11, a synthetic mica tape layer 12 and a ceramic composite tape layer 13; the synthetic mica tape layer 12 is wound on the outer wall of the conductor 11; the ceramic composite belt layer 13 is wound on the outer wall of the synthetic mica belt layer 12. According to this setting can strengthen the pliability of insulating core, reduces insulating core outer wall fracture in the use, and compound band layer 13 of pottery simultaneously has fire prevention and insulating properties, improves the safety in utilization.
Preferably, the insulated wire core comprises: and the polyolefin insulating layer 14 is wound on the outer wall of the ceramic composite tape layer 13. The insulating properties of the core can be enhanced by providing a polyolefin insulating layer 14.
Preferably, the ceramic composite tape layer 13 wound on the outer walls of the plurality of insulating wire cores is 2-4 layers. According to the arrangement, the cost can be reduced while the fireproof and insulating effects are ensured.
Preferably, the ceramic composite tape layer 13 wound around the outer wall of the synthetic mica tape layer 12 is 2 layers. According to the arrangement, the cost can be reduced while the fireproof and insulating effects are ensured.
Preferably, the synthetic mica tape layer 12 has 2 to 4 layers. According to the arrangement, the cost can be reduced while the fireproof and insulating effects are ensured.
Preferably, the alkali-free fiberglass tape layer 21 is replaced with a metallic armor layer. Both the two have better pliability, fire resistance, insulated wire, according to this setting can reduce cost when guaranteeing fire prevention, insulating effect.
Preferably, the outer sheath 22 has a wall thickness of 1.5 to 2 mm. According to the arrangement, the cost can be reduced while the fireproof and insulating effects are ensured. The outer jacket 22 used may be a halogen-free low smoke flame retardant polyolefin jacket.
Preferably, the method comprises the following steps: inorganic fiber rope 23, between many insulation core, fill inorganic fiber rope 23 between insulation core and the compound band layer 13 inner wall of pottery. According to the arrangement, the cost can be reduced while the fireproof and insulating effects are ensured.
In one embodiment, the cable is wound as follows:
1. category 2 and category 5 copper cores are used as conductors 11.
2. The conductor 11 is coated with 2-4 layers to form a mica tape layer 12;
3. the synthetic mica tape layer 12 is coated with 2 layers of ceramic composite tapes;
4. the ceramic composite belt is coated with polyolefin insulation;
5. the insulated wire cores are cabled and filled with inorganic fiber ropes 23;
6. after cabling, coating 2 layers of ceramic composite tapes outside the insulated wire core, and winding and coating an alkali-free glass fiber tape layer 21 outside the ceramic composite tape layer 13; the alkali-free glass fiber tape layer 21 is sleeved with a halogen-free low-smoke flame-retardant polyolefin sheath.
In another embodiment, the difference from the previous embodiment is that: the alkali-free fiberglass tape layer 21 is replaced with a metal armor.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (9)
1. A flexible mineral insulated fireproof cable, comprising: a plurality of insulation wire cores, a ceramic composite tape layer (13), an alkali-free glass fiber tape layer (21) and an outer sheath (22),
the ceramic composite belt layer (13) is wound on the outer wall of the cabled insulated wire core;
the alkali-free glass fiber tape layer (21) is wound on the outer wall of the ceramic composite tape layer (13);
the outer sheath (22) is sleeved outside the alkali-free glass fiber tape layer (21).
2. The flexible mineral-insulated fireproof cable of claim 1, wherein the insulated wire core comprises: a conductor (11), a synthetic mica tape layer (12), and a ceramic composite tape layer (13);
the synthetic mica tape layer (12) is wound on the outer wall of the conductor (11);
the ceramic composite belt layer (13) is wound on the outer wall of the synthetic mica belt layer (12).
3. The flexible mineral-insulated fireproof cable of claim 2, wherein the insulated wire core comprises: and the polyolefin insulating layer (14) is wound on the outer wall of the ceramic composite tape layer (13).
4. The flexible mineral-insulated fireproof cable according to claim 1, wherein the ceramic composite tape layer (13) wound around the outer walls of the plurality of insulated cores is 2-4 layers.
5. Flexible mineral-insulated fireproof cable according to claim 2, wherein the ceramic composite tape layer (13) wound around the outer wall of the synthetic mica tape layer (12) is 2 layers.
6. Flexible mineral-insulated fireproof cable according to claim 2, characterized in that the synthetic mica tape layer (12) is 2-4 layers.
7. Flexible mineral-insulated fireproof cable according to claim 1, wherein the alkali-free fiberglass tape layer (21) is replaced by a metallic armouring layer.
8. The flexible mineral-insulated fireproof cable according to claim 1, wherein the outer sheath (22) has a wall thickness of 1.5 to 2 mm.
9. A flexible mineral-insulated fireproof cable according to claim 1, comprising: inorganic fiber rope (23), fill inorganic fiber rope (23) between many insulation core, between insulation core and the compound band layer (13) inner wall of pottery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510273.8U CN212461181U (en) | 2020-07-27 | 2020-07-27 | Flexible mineral insulation fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510273.8U CN212461181U (en) | 2020-07-27 | 2020-07-27 | Flexible mineral insulation fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212461181U true CN212461181U (en) | 2021-02-02 |
Family
ID=74476378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021510273.8U Active CN212461181U (en) | 2020-07-27 | 2020-07-27 | Flexible mineral insulation fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212461181U (en) |
-
2020
- 2020-07-27 CN CN202021510273.8U patent/CN212461181U/en active Active
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| 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 |
Denomination of utility model: Flexible mineral insulated fireproof cable Effective date of registration: 20220325 Granted publication date: 20210202 Pledgee: Kunming Guandu rural cooperative bank Dabanqiao sub branch Pledgor: KUNMING DIANLI CABLE CO.,LTD. Registration number: Y2022530000009 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230515 Granted publication date: 20210202 Pledgee: Kunming Guandu rural cooperative bank Dabanqiao sub branch Pledgor: KUNMING DIANLI CABLE CO.,LTD. Registration number: Y2022530000009 |
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| PC01 | Cancellation 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: Flexible mineral insulated fireproof cable Effective date of registration: 20230525 Granted publication date: 20210202 Pledgee: Kunming Guandu rural cooperative bank Dabanqiao sub branch Pledgor: KUNMING DIANLI CABLE CO.,LTD. Registration number: Y2023530000037 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |