CN213691488U - Mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable - Google Patents
Mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable Download PDFInfo
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- CN213691488U CN213691488U CN202023107905.9U CN202023107905U CN213691488U CN 213691488 U CN213691488 U CN 213691488U CN 202023107905 U CN202023107905 U CN 202023107905U CN 213691488 U CN213691488 U CN 213691488U
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- Prior art keywords
- sheath
- insulating layer
- mineral substance
- fireproof cable
- free low
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- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 29
- 239000011707 mineral Substances 0.000 title claims abstract description 29
- 239000000779 smoke Substances 0.000 title claims abstract description 19
- 239000000126 substance Substances 0.000 title claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 13
- 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
- 239000004698 Polyethylene Substances 0.000 claims abstract description 11
- 229920000573 polyethylene Polymers 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 239000004020 conductor Substances 0.000 claims abstract description 9
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims abstract description 3
- 239000002184 metal Substances 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- WSNJABVSHLCCOX-UHFFFAOYSA-J trilithium;trimagnesium;trisodium;dioxido(oxo)silane;tetrafluoride Chemical compound [Li+].[Li+].[Li+].[F-].[F-].[F-].[F-].[Na+].[Na+].[Na+].[Mg+2].[Mg+2].[Mg+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O.[O-][Si]([O-])=O WSNJABVSHLCCOX-UHFFFAOYSA-J 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 235000019504 cigarettes Nutrition 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 3
- 229910052736 halogen Inorganic materials 0.000 abstract description 2
- 150000002367 halogens Chemical class 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 230000002265 prevention Effects 0.000 description 4
- 239000002585 base Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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 discloses a flexible fireproof cable of mineral substance insulation halogen-free low smoke sheath, which comprises a conductor, the outside parcel of conductor has the mineral substance insulating layer, mineral substance insulating layer outside parcel has the polyethylene insulating layer, the inorganic thermal-insulated flame retardant coating of outside parcel of polyethylene insulating layer, inorganic thermal-insulated flame retardant coating outside cover is equipped with the inner sheath, the outside of inner sheath is equipped with the oversheath, the interval forms the packing cavity between inner sheath and the oversheath, pack the cavity intussuseption flame retardant coating. This flexible fireproof cable of mineral substance insulating zero halogen low smoke sheath adopts the mineral substance insulating material that fire behavior, environmental protection performance are all good, and multiple insulation and fire-resistant thermal-insulated protection can normally work under the conflagration condition, can obviously apply, and the cable temperature resistant grade is higher, and electrical property is more safe, has good temperature toleration.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be the flexible fireproof cable of mineral substance insulation halogen-free low smoke sheath.
Background
The cable is widely applied to control installation, connection equipment and power transmission, and is an indispensable important transmission medium in the aspects of industry, civilian use and the like. The cable has various specifications and models so as to meet the requirements of different equipment and transmission purposes. When the cable is used, problems such as short circuit or open circuit can occur, and the transmission of power supply and information is failed. When a fire disaster occurs, the cable needs to have a certain fireproof function, so that data can be effectively stored before the lines are paralyzed, the risk of data loss is reduced, and the cable can ensure the safe operation of electrical equipment and the lines in the process of power transmission. The existing cable is not ideal in fireproof performance, and when a fire disaster occurs, the risk of data loss is high, and the information and power transmission effect is not good. Therefore, a mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a flexible fireproof cable of mineral substance insulation halogen-free low smoke sheath 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: mineral substance insulation does not have steamed low flexible fireproof cable of cigarette sheath, which comprises a conductor, the outside parcel of conductor has the mineral substance insulating layer, mineral substance insulating layer outside parcel has the polyethylene insulating layer, the inorganic thermal-insulated flame retardant coating of outside parcel of polyethylene insulating layer, inorganic thermal-insulated flame retardant coating outside cover is equipped with the inner sheath, the outside of inner sheath is equipped with the oversheath, the cavity is filled in the interval formation between inner sheath and the oversheath, fill the cavity intussuseption flame retardant coating.
Further, the mineral insulating layer is a fluorine mica tape insulating layer.
Furthermore, the inner side wall of the inner sheath is attached with a metal mesh, and the metal mesh is attached with fireproof coating paper.
Further, the outer side of the outer sheath is coated with a fireproof coating.
Further, the inner sheath and the outer sheath are halogen-free low-smoke polyolefin layers.
Compared with the prior art, the beneficial effects of the utility model are that: the cable is made of mineral insulating materials with excellent fireproof performance and environmental protection performance, can normally work under the condition of fire, can be applied clearly, has higher temperature-resistant grade, safer electrical performance and good temperature resistance, and has multiple insulation and fireproof heat-insulating protection.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 the utility model discloses inner sheath intercepting cross-sectional view.
In the figure: 1. a conductor; 2. a mineral insulating layer; 3. a polyethylene insulating layer; 4. an inorganic heat-insulating and fireproof layer; 5. an inner sheath; 51. a metal mesh; 52. fire-retardant coated paper; 6. an outer sheath; 7. filling the cavity; 8. the high flame-retardant polypropylene tears the netted packing rope.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
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.
Referring to fig. 1-2, the mineral-insulated halogen-free low-smoke-sheathed flexible fireproof cable comprises a conductor 1, wherein a mineral insulating layer 2 is wrapped outside the conductor 1, the mineral insulating layer 2 is a fluorine mica tape insulating layer, and the fluorine mica tape insulating layer is a high-performance mica insulating product and has excellent high-temperature resistance and combustion resistance. The mica powder tape has good flexibility in a normal state, and is suitable for main fire-resistant insulating layers in various fire-resistant cables. When the cable is burnt in open fire, the volatilization of harmful smoke is basically avoided, so that the product is not only effective but also safe when being used for the cable. The outer side of the mineral insulating layer 2 is wrapped by the polyethylene insulating layer 3, the polyethylene is thermoplastic resin prepared by polymerizing ethylene, and the polyethylene is odorless, non-toxic, has a hand feeling similar to wax, has excellent low-temperature resistance, good chemical stability and can resist corrosion of most of acid and alkali. Is insoluble in common solvents at room temperature, has low water absorption and excellent electrical insulation. The outer side of the polyethylene insulating layer 3 is wrapped by an inorganic heat-insulating fireproof layer 4, the inorganic heat-insulating fireproof layer 4 is mainly formed by inorganic fireproof fibers through special processing, and has the functions of fire prevention, smoke prevention and heat insulation, and an inner sheath 5 is sleeved on the outer side of the inorganic heat-insulating fireproof layer 4; the inner sheath 5 inside wall laminating has metal mesh 51, and the laminating fire prevention coated paper 52 on the metal mesh, and toughness and fire resistance can be improved to metal mesh 51, and fire prevention coated paper 52 further cooperates and improves the fire retardance. The outer side of the inner sheath 5 is provided with an outer sheath 6, the outer side of the outer sheath 6 is coated with a fireproof coating, and the fireproof coating is a special coating which is used for the surface of a combustible base material, can reduce the flammability of the surface of the coated material and retard the rapid spread of fire so as to improve the fire endurance of the coated material. The flame retardant is applied to the surface of a flammable base material to change the surface combustion characteristics of the material and retard the rapid spread of fire. The inner sheath 5 and the outer sheath 6 are halogen-free low-smoke polyolefin layers, and the halogen-free low-smoke polyolefin layers are thermoplastic or thermosetting, and have low smoke discharge when being heated and do not contain halogen.
A filling cavity 7 is formed between the inner sheath 5 and the outer sheath 6 at intervals, a fire-resistant layer 8 is filled in the filling cavity 7, the fire-resistant layer 8 is a high-fire-retardant polypropylene tearing net-shaped filling rope, and the net-shaped rope made of polypropylene has chemical resistance, heat resistance, electric insulation, high-strength mechanical property and good high-wear-resistance processing property.
The cable is made of mineral insulating materials with excellent fireproof performance and environmental protection performance, can normally work under the condition of fire, can be applied clearly, has higher temperature-resistant grade, safer electrical performance and good temperature resistance, and has multiple insulation and fireproof heat-insulating protection.
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 (6)
1. Mineral substance insulation does not have flexible fireproof cable of steamed low cigarette sheath, including conductor (1), its characterized in that: the outside parcel of conductor (1) has mineral substance insulating layer (2), mineral substance insulating layer (2) outside parcel has polyethylene insulating layer (3), the inorganic thermal-insulated flame retardant coating (4) of outside parcel of polyethylene insulating layer (3), inorganic thermal-insulated flame retardant coating (4) outside cover is equipped with inner sheath (5), the outside of inner sheath (5) is equipped with oversheath (6), interval formation packing cavity (7) between inner sheath (5) and oversheath (6), pack cavity (7) intussuseption flame retardant coating (8).
2. The mineral insulated halogen-free low-smoke sheath flexible fireproof cable according to claim 1, characterized in that: the mineral matter insulating layer (2) is a fluorine mica tape insulating layer.
3. The mineral insulated halogen-free low-smoke sheath flexible fireproof cable according to claim 1, characterized in that: the inner side wall of the inner sheath (5) is attached with a metal net (51), and fireproof coating paper (52) is attached to the metal net.
4. The mineral insulated halogen-free low-smoke sheath flexible fireproof cable according to claim 1, characterized in that: the outer side of the outer sheath (6) is coated with a fireproof coating.
5. The mineral insulated halogen-free low-smoke sheath flexible fireproof cable according to claim 1, characterized in that: the inner sheath (5) and the outer sheath (6) are halogen-free low-smoke polyolefin layers.
6. The mineral insulated halogen-free low-smoke sheath flexible fireproof cable according to claim 1, characterized in that: the fire-resistant layer (8) is a high fire-resistant polypropylene tearing net-shaped filling rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023107905.9U CN213691488U (en) | 2020-12-22 | 2020-12-22 | Mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023107905.9U CN213691488U (en) | 2020-12-22 | 2020-12-22 | Mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213691488U true CN213691488U (en) | 2021-07-13 |
Family
ID=76739650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023107905.9U Active CN213691488U (en) | 2020-12-22 | 2020-12-22 | Mineral substance insulated halogen-free low-smoke sheath flexible fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213691488U (en) |
-
2020
- 2020-12-22 CN CN202023107905.9U patent/CN213691488U/en active Active
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Legal Events
| 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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Mineral insulated halogen-free low smoke sheathed flexible fire-resistant cable Granted publication date: 20210713 Pledgee: Hebei Wen'an Rural Commercial Bank Co.,Ltd. Shigezhuang Branch Pledgor: Langfang Da he wire & Cable Co.,Ltd. Registration number: Y2024980004828 |