CN212750451U - High-temperature-resistant mineral-insulated high-flexibility cable without metal sheath - Google Patents
High-temperature-resistant mineral-insulated high-flexibility cable without metal sheath Download PDFInfo
- Publication number
- CN212750451U CN212750451U CN202021979914.4U CN202021979914U CN212750451U CN 212750451 U CN212750451 U CN 212750451U CN 202021979914 U CN202021979914 U CN 202021979914U CN 212750451 U CN212750451 U CN 212750451U
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- Prior art keywords
- layer
- insulating
- cable
- temperature
- resistant mineral
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- 239000002184 metal Substances 0.000 title claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 17
- 239000011707 mineral Substances 0.000 claims abstract description 17
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims abstract description 15
- 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 14
- 239000000919 ceramic Substances 0.000 claims abstract description 14
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 239000004812 Fluorinated ethylene propylene Substances 0.000 claims abstract description 10
- 229920009441 perflouroethylene propylene Polymers 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 239000010445 mica Substances 0.000 claims abstract description 5
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 5
- 239000010410 layer Substances 0.000 claims description 43
- 229920002379 silicone rubber Polymers 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000835 fiber Substances 0.000 claims description 9
- 239000010703 silicon Substances 0.000 claims description 9
- 229910052710 silicon Inorganic materials 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 7
- 239000000779 smoke Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000004945 silicone rubber Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000009941 weaving Methods 0.000 claims description 3
- IKEFSCCMUJCRMV-UHFFFAOYSA-N [O].C=CC.C=C Chemical compound [O].C=CC.C=C IKEFSCCMUJCRMV-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a high-temperature-resistant mineral-insulated high-flexibility cable without a metal sheath, which comprises a plurality of insulated wire cores and a protective outer layer, wherein the protective outer layer is wrapped outside the insulated wire cores; the insulating cable comprises an insulating core and a protective outer layer, wherein a ceramic heat-conducting silica gel filling layer is arranged between the insulating core and the protective outer layer, the insulating core comprises a conductor, a mica tape and a fluorinated ethylene propylene insulating moisture-proof layer, the problems that an insulating layer of the existing mineral insulating cable is easy to absorb water and damp, the bending radius of the cable is large, the installation and bending are difficult and the like are effectively solved, the operating temperature of the cable is greatly increased, the maximum temperature allowed by the conductor in normal operation is 200 ℃, the main materials of the high-temperature-resistant mineral insulating high-flexibility cable are all composed of inorganic minerals or mineral compounds, and the high-temperature-resistant mineral insulating; even if the flame retardant coating is used under the flame condition, the flame retardant coating can also play a normal power transmission function, and the flame retardant and fireproof functions and the high temperature resistance are improved.
Description
Technical Field
The utility model belongs to the technical field of the cable, concretely relates to high gentle cable of no metal sheath high temperature resistant mineral insulation.
Background
At present, the traditional electric wires and cables are all made of organic polymer materials, so the electric wires and cables are easy to carbonize under the flame condition and lose the insulating effect. The traditional rigid mineral insulated cable and the mineral insulated flexible fireproof cable with the metal sheath layer have the defects of high processing difficulty, short production length, more joints, high installation difficulty, high cost, difficulty in improving efficiency and the like. In various high-rise buildings with large flow of people, the cable is required to have fireproof performance. Current no high flexible fireproof cable of metal sheath layer is in the use, and when the cable circular telegram, conductor itself can produce the heat, and because the setting of multilayer protection for the heat is difficult to give off, leads to the high temperature of conductor, all can cause the influence to the performance such as mechanical strength and insulating nature of cable. How to solve the above problems becomes a concern in the cable technology industry today.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high gentle cable of no metal sheath high temperature resistant mineral insulation to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant mineral-insulated high-flexibility cable without a metal sheath comprises a plurality of insulated wire cores and a protective outer layer, wherein the protective outer layer is wrapped outside the insulated wire cores; the insulation core and the protection skin between be provided with ceramic heat conduction silica gel filling layer, insulation core includes conductor and mica tape and gathers the insulating dampproof course of perfluor ethylene propylene, the protection skin is by interior to exterior in proper order including gathering perfluor ethylene propylene oxygen insulation fire prevention tape layer, silicon fiber weaving outsourcing flame retardant coating, ceramic silicon rubber insulating layer and the fire-retardant silicon rubber protective layer of low smoke and zero halogen.
Preferably, the conductor may be a round or profiled copper and annealed copper wire core.
Preferably, a plurality of the insulated wire cores are distributed in the protective outer layer at equal angles.
The thicknesses of the fluorinated ethylene propylene oxygen-insulating fireproof belt layer, the silicon fiber woven outer wrapping fireproof layer and the ceramic silicon rubber heat-insulating layer are kept consistent.
Preferably, the outer surface of the low-smoke halogen-free flame-retardant silicone rubber protective layer is provided with anti-skid fine lines.
Compared with the prior art, the beneficial effects of the utility model are that: the problems that an insulating layer of the existing mineral insulated cable is easy to absorb water and damp, the cable is large in bending radius, difficult to install and bend and the like are effectively solved, the running temperature of the cable is greatly improved, the maximum temperature allowed by a conductor in normal running is 200 ℃, main materials of the high-temperature-resistant mineral insulated high-flexibility cable are all composed of inorganic minerals or mineral compounds, and the high-temperature-resistant mineral insulated high-flexibility cable cannot cause fire and cannot burn or support combustion; even if the flame retardant coating is used under the flame condition, the flame retardant coating can also play a normal power transmission function, and the flame retardant and fireproof functions and the high temperature resistance are improved.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
in the figure: 1. a conductor; 2. mica tapes; 3. a polyfluorinated ethylene propylene insulating moisture-proof layer; 4. a ceramic heat-conducting silica gel filling layer; 5. a fluorinated ethylene propylene oxygen-insulating fireproof belt layer; 6. weaving silicon fiber and wrapping a fireproof layer; 7. a ceramic silicon rubber heat insulation layer; 8. a low-smoke halogen-free flame-retardant silicone rubber protective layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: a high-temperature-resistant mineral-insulated high-flexibility cable without a metal sheath comprises a plurality of insulated wire cores and a protective outer layer, wherein the protective outer layer is wrapped outside the insulated wire cores; be provided with ceramic heat conduction silica gel filling layer 4 between insulation core and the protection skin, insulation core includes conductor 1 and mica tape 2 and gathers perfluor ethylene propylene insulating dampproof course 3, and the protection skin is by interior to exterior in proper order including gathering perfluor ethylene propylene oxygen-insulated fire prevention tape layer 5, silicon fiber weave outsourcing flame retardant coating 6, ceramic silicon rubber insulating layer 7 and low smoke and zero halogen fire-retardant silicon rubber protective layer 8.
In this embodiment, the conductor 1 may preferably be a round or profiled copper and annealed copper wire core.
In this embodiment, preferably, a plurality of insulation wire cores are equiangularly distributed in the outer inside of protection, in order to guarantee overall stability.
In the embodiment, the thicknesses of the fluorinated ethylene propylene oxygen-insulating fireproof belt layer 5, the silicon fiber woven outer-wrapping fireproof layer 6 and the ceramic silicon rubber heat-insulating layer 7 are preferably kept consistent, so that good barrier performance is ensured.
In this embodiment, preferably, the outer surface of the low-smoke halogen-free flame-retardant silicone rubber protective layer 8 is provided with anti-slip fine lines to play a role of anti-slip.
The utility model discloses a theory of operation and use flow: the ceramic heat-conducting silica gel filling layer 4 is respectively contacted with the fluorinated ethylene propylene insulating moisture-proof layer 3 and the fluorinated ethylene propylene oxygen-insulating fire-proof belt layer 5 from inside to outside, so that heat on the fluorinated ethylene propylene insulating moisture-proof layer 3 can be rapidly conducted to the fluorinated ethylene propylene oxygen-insulating fire-proof belt layer 5, and the function of rapid heat dissipation is realized; a silicon fiber woven outer-wrapped fireproof layer 6 is arranged between the fluorinated ethylene propylene oxygen-insulating fireproof belt layer 5 and the ceramic silicon rubber heat-insulating layer 7, and the silicon fiber woven outer-wrapped fireproof layer 6 has good flame retardant property, can realize the heat-insulating and fire-blocking effects and ensures that heat of the cable does not enter the cable under the flame condition; as the main materials of the high-temperature-resistant mineral-insulated high-flexibility cable are all composed of inorganic minerals or mineral compounds, the high-temperature-resistant mineral-insulated high-flexibility cable cannot cause fire and cannot burn and support combustion.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A high-temperature-resistant mineral-insulated high-flexibility cable without a metal sheath comprises a plurality of insulated wire cores and a protective outer layer, wherein the protective outer layer is wrapped outside the insulated wire cores; the method is characterized in that: be provided with ceramic heat conduction silica gel filling layer (4) between insulation core and the protection skin, insulation core includes conductor (1) and mica tape (2) and gathers perfluor ethylene propylene insulating dampproof course (3), the protection skin is by interior to outer including gathering perfluor ethylene propylene oxygen insulation fire prevention tape layer (5), silicon fiber weaving outsourcing flame retardant coating (6), ceramic silicon rubber insulating layer (7) and low smoke and zero halogen fire-retardant silicon rubber protective layer (8) in proper order.
2. The high temperature resistant mineral insulated high flexibility cable without metal sheath of claim 1, characterized in that: the conductor (1) may be a round or profiled copper and annealed copper wire core.
3. The high temperature resistant mineral insulated high flexibility cable without metal sheath of claim 1, characterized in that: and a plurality of the insulated wire cores are distributed in the protective outer layer at equal angles.
4. The high temperature resistant mineral insulated high flexibility cable without metal sheath of claim 1, characterized in that: the thicknesses of the fluorinated ethylene propylene oxygen-insulating fireproof belt layer (5), the silicon fiber woven outer wrapping fireproof layer (6) and the ceramic silicon rubber heat-insulating layer (7) are kept consistent.
5. The high temperature resistant mineral insulated high flexibility cable without metal sheath of claim 1, characterized in that: the outer surface of the low-smoke halogen-free flame-retardant silicone rubber protective layer (8) is provided with anti-skid fine lines.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202021979914.4U CN212750451U (en) | 2020-09-11 | 2020-09-11 | High-temperature-resistant mineral-insulated high-flexibility cable without metal sheath |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021979914.4U CN212750451U (en) | 2020-09-11 | 2020-09-11 | High-temperature-resistant mineral-insulated high-flexibility cable without metal sheath |
Publications (1)
Publication Number | Publication Date |
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CN212750451U true CN212750451U (en) | 2021-03-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202021979914.4U Active CN212750451U (en) | 2020-09-11 | 2020-09-11 | High-temperature-resistant mineral-insulated high-flexibility cable without metal sheath |
Country Status (1)
Country | Link |
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CN (1) | CN212750451U (en) |
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2020
- 2020-09-11 CN CN202021979914.4U patent/CN212750451U/en active Active
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