CN220324208U - Mineral insulation flame-retardant fire-resistant cable - Google Patents
Mineral insulation flame-retardant fire-resistant cable Download PDFInfo
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- CN220324208U CN220324208U CN202321554008.3U CN202321554008U CN220324208U CN 220324208 U CN220324208 U CN 220324208U CN 202321554008 U CN202321554008 U CN 202321554008U CN 220324208 U CN220324208 U CN 220324208U
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- retardant
- cable
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 63
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 54
- 238000009413 insulation Methods 0.000 title claims abstract description 42
- 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 claims abstract description 40
- 229910052500 inorganic mineral Inorganic materials 0.000 title claims abstract description 22
- 239000011707 mineral Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 238000005260 corrosion Methods 0.000 claims description 10
- 239000010445 mica Substances 0.000 claims description 5
- 229910052618 mica group Inorganic materials 0.000 claims description 5
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000002861 polymer material Substances 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000011888 foil Substances 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 2
- 230000009977 dual effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 116
- 238000000034 method Methods 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 238000005246 galvanizing Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002341 toxic gas Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a mineral insulation flame-retardant fire-resistant cable, which comprises an insulation rubber sleeve, wherein the inner peripheral wall of the insulation rubber sleeve is provided with a fire-resistant mechanism for improving the flame-retardant fire-resistant effect, the outer surface of the insulation rubber sleeve is provided with a protection mechanism for improving the fire-resistant protection effect, the fire-resistant mechanism comprises a flame-retardant layer fixed on the inner peripheral wall of the insulation rubber sleeve, four fixing holes are formed in the front surface of the flame-retardant layer, the inner peripheral walls of the four fixing holes are all fixed with insulation layers, and the inner peripheral wall of the insulation layer is fixed with cable wires. This fire-retardant fire-resistant cable of mineral insulation has through having set up fire-resistant mechanism, mutually support between fire-retardant layer, fixed orifices and insulating layer and cable wire etc. can separate according to central symmetry's overall arrangement between four cable wires through the setting of fire-retardant layer and fixed orifices to fire-retardant fire insulating layer, layer evenly fill and carry out fire-retardant fire-resistant protection at cable wire's surface, and insulating layer cooperation insulation gum cover plays dual insulation protection.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a mineral insulation flame-retardant fire-resistant cable.
Background
The cable is a rope-like cable formed by twisting at least two wires of several groups or groups of wires, each group of wires are mutually insulated and are often twisted around a center, the whole outer surface of the cable is covered with a highly insulating coating layer, the cable has the characteristics of inner electrifying and outer insulating, the common cable can not meet the safety use requirements of some industries on the matched cable along with the development of the times, particularly, the fire resistance and the fire resistance have a great gap from the actual requirements, so the market has high expectations on the fire-resistant cable, and the fire-resistant cable refers to a type of wire cable with the characteristic of directly or indirectly reducing fire loss under the conventional fire condition.
The utility model discloses a flame-retardant fire-resistant cable in Chinese patent publication No. (CN 206849566U), which comprises a cylindrical cable core, wherein the cable core comprises three-phase conductors which are arranged at intervals, each phase of conductors is externally coated with an insulating layer, the cable core is coated with a tape, a gap of the cable core is filled with a filling layer, a copper sheath, an oxygen-insulating heat-insulating layer, an outer sheath and an inorganic heat-absorbing layer are sequentially coated outside the tape, the insulating layer is an inorganic mineral synthetic mica tape, the filling layer is a glass fiber rope, and the outer sheath is fluoroplastic; the cable can prolong the power supply time when in fire, supply power for an alarm system and a lighting system so as to evacuate people, but the problem that the corresponding protective structure is lacking outside a fireproof structure exists in the prior art, the outer sheath of the cable is made of heat absorbing materials and used for fireproof, the abrasion-resistant and corrosion-resistant effects of the structure are poor, and the whole fireproof effects of the cable are easily affected by friction damage and corrosion in the processes of paving, pulling and subsequent use.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a mineral insulation flame-retardant fireproof cable which has the advantages of good fireproof protection effect and the like, and solves the problem that the exterior of a fireproof structure lacks a corresponding protection structure in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the mineral insulation flame-retardant fire-resistant cable comprises an insulation rubber sleeve, wherein a fire-resistant mechanism for improving flame-retardant fire-resistant effect is arranged on the inner peripheral wall of the insulation rubber sleeve, and a protection mechanism for improving fire-resistant protection effect is arranged on the outer surface of the insulation rubber sleeve;
the fire-resistant mechanism comprises a fire-retardant layer fixed on the inner peripheral wall of the insulating rubber sleeve, four fixing holes are formed in the front face of the fire-retardant layer, insulating layers are fixed on the inner peripheral walls of the four fixing holes, and cable wires are fixed on the inner peripheral walls of the insulating layers.
Further, the flame-retardant layer is an aluminum hydroxide flame-retardant mineral layer, and the insulating layer is a halogen-free crosslinked polyolefin layer.
Further, the thickness of the insulating layer is smaller than that of the insulating rubber sleeve, and the length of the cable wire is equal to that of the insulating rubber sleeve.
Further, the protection machanism is including fixing the flame retardant coating at insulating gum cover surface, the external surface on flame retardant coating is fixed with the insulating layer, the external surface on insulating layer is fixed with the water-resisting layer, the external surface on water-resisting layer is fixed with first wearing layer, the external surface on first wearing layer is fixed with the anticorrosive coating, the external surface on anticorrosive coating is fixed with the second wearing layer.
Further, the fireproof layer is a fireproof mica tape, and the heat insulation layer is an aluminum foil heat insulation coiled material layer.
Further, the waterproof layer is a non-hygroscopic high polymer material layer, and the anticorrosive layer is a hot dip galvanizing layer.
Further, the first wear-resistant layer and the second wear-resistant layer are TPE composite layers, and the thickness of the first wear-resistant layer is equal to that of the second wear-resistant layer.
Further, the thickness of the fireproof layer and the heat insulation layer is not more than two millimeters, and the thickness of the anti-corrosion layer is smaller than that of the first wear-resistant layer.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. this fire-retardant fire-resistant cable of mineral insulation has through having set up fire-resistant mechanism, mutually support between fire-retardant layer, fixed orifices and insulating layer and cable wire etc. can separate according to central symmetry's overall arrangement between four cable wires through fire-retardant layer and the setting of fixed orifices to fire-retardant layer evenly fills and carries out fire-retardant fire-resistant protection at cable wire's surface, and insulating layer cooperation insulating gum cover plays dual insulation protection.
2. This fire-retardant fire-resistant cable of mineral insulation, through having set up protection machanism, through mutually supporting between flame retardant coating, insulating layer, water-blocking layer, first wearing layer and anticorrosive coating and the second wearing layer etc. can utilize flame retardant coating and insulating layer to improve the fire-resistant fire-retardant protection effect to the cable, and first wearing layer and second wearing layer and anticorrosive coating can regard as the outside protection component of cable simultaneously, improve performances such as wear-resisting corrosion resistance of cable to avoid laying in-process wearing and tearing to lead to influencing fire resistance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a refractory mechanism of the present utility model;
fig. 3 is a schematic view of a protection mechanism according to the present utility model.
In the figure: 1 insulating rubber sleeve, 2 fire-resistant mechanism, 201 flame retardant coating, 202 fixed orifices, 203 insulating layer, 204 cable wire, 3 protection mechanism, 301 flame retardant coating, 302 insulating layer, 303 water-resisting layer, 304 first wearing layer, 305 anticorrosive layer, 306 second wearing layer.
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.
Embodiment one: referring to fig. 1, a mineral insulation flame-retardant fire-resistant cable in this embodiment includes an insulation rubber sleeve 1, wherein a fire-resistant mechanism 2 for improving flame-retardant fire-resistant effect is provided on an inner peripheral wall of the insulation rubber sleeve 1, and a protection mechanism 3 for improving fire-resistant protection effect is provided on an outer surface of the insulation rubber sleeve 1.
Embodiment two: referring to fig. 2, in order to improve the fire-retardant and fire-resistant performance of the cable wire 204, the fire-resistant mechanism 2 in this embodiment includes a fire-retardant layer 201 fixed on the inner peripheral wall of the insulating rubber sleeve 1, four fixing holes 202 are formed on the front surface of the fire-retardant layer 201, the four cable wires 204 are separated according to a central symmetry layout through the arrangement of the fire-retardant layer 201 and the fixing holes 202, so that the fire-retardant layer 201 is uniformly filled on the outer surface of the cable wire 204 for fire-retardant and fire-resistant protection, the inner peripheral walls of the four fixing holes 202 are all fixed with an insulating layer 203, and the inner peripheral wall of the insulating layer 203 is fixed with the cable wire 204.
In this embodiment, the flame retardant layer 201 is an aluminum hydroxide flame retardant mineral layer, the flame retardant layer 201 has flame retardant effect, and besides, the smoke amount can be reduced, dripping is not generated, toxic gas is not generated, the insulating layer 203 is a halogen-free cross-linked polyolefin layer, the thickness of the insulating layer 203 is smaller than that of the insulating rubber sleeve 1, the length of the cable wire 204 is equal to that of the insulating rubber sleeve 1, and double insulation protection can be achieved on the cable wire 204 by matching the insulating layer 203 with the insulating rubber sleeve 1.
Embodiment III: referring to fig. 3, in order to improve the fire-resistant protection effect on the exterior of the cable, the protection mechanism 3 in this embodiment includes a fireproof layer 301 fixed on the outer surface of the insulation rubber sleeve 1, an insulating layer 302 fixed on the outer surface of the fireproof layer 301, the insulating layer 302 can reflect most of heat radiation to play a role in heat insulation because of very low heat absorption rate, fire caused by the influence of high temperature is avoided, a water-blocking layer 303 is fixed on the outer surface of the insulating layer 302, a first wear-resistant layer 304 is fixed on the outer surface of the water-blocking layer 303, an anti-corrosion layer 305 is fixed on the outer surface of the first wear-resistant layer 304, and a second wear-resistant layer 306 is fixed on the outer surface of the anti-corrosion layer 305.
In this embodiment, the fire-proof layer 301 is fire-proof mica tape, the fire-proof layer 301 has good high temperature resistance and combustion resistance, the powder mica tape has good compliance in normal state, be applicable to main fire-proof insulation structure in various fire-resistant cables, the volatilization of harmful smog does not exist basically when meeting open flame burning, the insulating layer 302 is aluminium foil heat insulation coiled material layer, the water-blocking layer 303 is non-hygroscopic polymer material layer, the water-blocking layer 303 can be isolated moisture in the air that the damaged clearance infiltration of cable got into, avoid the erosion short circuit that the moisture got into and lead to, the anticorrosive layer 305 is hot dip galvanizing layer, first wearing layer 304 and second wearing layer 306 are TPE composite layer, the thickness of first wearing layer 304 equals with the thickness of second wearing layer 306, first wearing layer 304 and second wearing layer 306 can play dual wear-resistant protection's effect, the thickness of flame-proof layer 301 and insulating layer 302 all does not exceed two millimeters, the thickness of anticorrosive layer 305 is less than the thickness of first wearing layer 304, anticorrosive layer 305 can play the effect of reducing cable 304 and cooperate first wearing layer 306 and second wearing layer 306 can improve the wear-resistant performance of cable in order to avoid the outside wear-resistant performance to lay in the process.
The working principle of the embodiment is as follows:
(1) When the flame-retardant and fire-resistant performance of the cable wire 204 is improved, the four cable wires 204 are firstly separated according to the central symmetry layout through the arrangement of the flame-retardant layer 201 and the fixing holes 202, so that the flame-retardant layer 201 is uniformly filled on the outer surface of the cable wire 204 for flame-retardant and fire-resistant protection, the flame-retardant layer 201 has a flame-retardant effect, the smoke quantity can be reduced, dripping is avoided, toxic gas is not generated, and the insulating layer 203 is matched with the insulating rubber sleeve 1 to perform double insulation protection on the cable wire 204.
(2) When the fire-resistant protection effect is improved to the cable outside, fire-resistant layer 301 has good high temperature resistance and combustion resistance, fine compliance is provided in the mica tape normal state, be applicable to main fire-resistant insulation structure in various fire-resistant cables, basically there is not volatilization of harmful smog when meeting open flame burning, the insulating layer 302 is because the heat absorptivity is very low, can reflect most heat radiation and play thermal insulation effect, avoid the fire that this high temperature influence leads to, water-resistant layer 303 can be to the moisture in the broken clearance infiltration entering air of cable to keep apart dampproofing, avoid the erosion short circuit that the moisture gets into and lead to, first wearing layer 304 and second wearing layer 306 can play dual wear-resistant protection's effect, and anticorrosive layer 305 can play the effect cooperation first wearing layer 304 and second wearing layer 306 that reduces the cable corruption can be as the outside protection component of cable, improve the wear-resisting anticorrosion performance of cable, in order to avoid wearing and tearing in the laying process to lead to fire-resistant performance.
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.
If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).
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 (8)
1. The utility model provides a mineral insulation fire-retardant fire-resistant cable, includes insulating gum cover (1), its characterized in that: the inner peripheral wall of the insulating rubber sleeve (1) is provided with a fire-resistant mechanism (2) for improving the fire-resistant and fire-resistant effects, and the outer surface of the insulating rubber sleeve (1) is provided with a protection mechanism (3) for improving the fire-resistant protection effects;
the fire-resistant mechanism (2) comprises a fire-retardant layer (201) fixed on the inner peripheral wall of the insulating rubber sleeve (1), four fixing holes (202) are formed in the front face of the fire-retardant layer (201), insulating layers (203) are fixed on the inner peripheral walls of the four fixing holes (202), and cable wires (204) are fixed on the inner peripheral walls of the insulating layers (203).
2. A mineral insulated flame retardant fire resistant cable according to claim 1, wherein: the flame-retardant layer (201) is an aluminum hydroxide flame-retardant mineral layer, and the insulating layer (203) is a halogen-free crosslinked polyolefin layer.
3. A mineral insulated flame retardant fire resistant cable according to claim 1, wherein: the thickness of the insulating layer (203) is smaller than that of the insulating rubber sleeve (1), and the length of the cable wire (204) is equal to that of the insulating rubber sleeve (1).
4. A mineral insulated flame retardant fire resistant cable according to claim 1, wherein: the protection mechanism (3) comprises a fireproof layer (301) fixed on the outer surface of the insulating rubber sleeve (1), a heat insulation layer (302) is fixed on the outer surface of the fireproof layer (301), a water blocking layer (303) is fixed on the outer surface of the heat insulation layer (302), a first wear-resistant layer (304) is fixed on the outer surface of the water blocking layer (303), an anti-corrosion layer (305) is fixed on the outer surface of the first wear-resistant layer (304), and a second wear-resistant layer (306) is fixed on the outer surface of the anti-corrosion layer (305).
5. A mineral insulated flame retardant fire resistant cable as set forth in claim 4 wherein: the fireproof layer (301) is a fireproof mica tape, and the heat insulation layer (302) is an aluminum foil heat insulation coiled material layer.
6. A mineral insulated flame retardant fire resistant cable as set forth in claim 4 wherein: the waterproof layer (303) is a non-hygroscopic polymer material layer, and the anti-corrosion layer (305) is a hot dip galvanization layer.
7. A mineral insulated flame retardant fire resistant cable as set forth in claim 4 wherein: the first wear-resistant layer (304) and the second wear-resistant layer (306) are TPE composite layers, and the thickness of the first wear-resistant layer (304) is equal to that of the second wear-resistant layer (306).
8. A mineral insulated flame retardant fire resistant cable as set forth in claim 4 wherein: the thickness of the fireproof layer (301) and the heat insulation layer (302) is not more than two millimeters, and the thickness of the anti-corrosion layer (305) is smaller than that of the first wear-resistant layer (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554008.3U CN220324208U (en) | 2023-06-19 | 2023-06-19 | Mineral insulation flame-retardant fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321554008.3U CN220324208U (en) | 2023-06-19 | 2023-06-19 | Mineral insulation flame-retardant fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324208U true CN220324208U (en) | 2024-01-09 |
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ID=89424814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321554008.3U Active CN220324208U (en) | 2023-06-19 | 2023-06-19 | Mineral insulation flame-retardant fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324208U (en) |
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2023
- 2023-06-19 CN CN202321554008.3U patent/CN220324208U/en active Active
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