CN217606600U - Halogen-free low-smoke flame-retardant low-voltage power cable - Google Patents
Halogen-free low-smoke flame-retardant low-voltage power cable Download PDFInfo
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- CN217606600U CN217606600U CN202221565972.1U CN202221565972U CN217606600U CN 217606600 U CN217606600 U CN 217606600U CN 202221565972 U CN202221565972 U CN 202221565972U CN 217606600 U CN217606600 U CN 217606600U
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 109
- 239000000779 smoke Substances 0.000 title claims abstract description 71
- 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 67
- 150000002367 halogens Chemical class 0.000 claims abstract description 29
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 28
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 25
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 235000019504 cigarettes Nutrition 0.000 claims abstract description 13
- 239000004020 conductor Substances 0.000 claims description 36
- 230000007797 corrosion Effects 0.000 claims description 30
- 238000005260 corrosion Methods 0.000 claims description 30
- 230000006835 compression Effects 0.000 claims description 23
- 238000007906 compression Methods 0.000 claims description 23
- 229920001971 elastomer Polymers 0.000 claims description 20
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 17
- 229920000098 polyolefin Polymers 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 59
- 239000000463 material Substances 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 160
- 229920001169 thermoplastic Polymers 0.000 description 24
- 239000004416 thermosoftening plastic Substances 0.000 description 24
- 239000011241 protective layer Substances 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002968 anti-fracture Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
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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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Abstract
The utility model relates to a power cable technical field discloses a fire-retardant low pressure power cable of steamed low cigarette, including the cable sleeve, the internal surface of cable sleeve is provided with the silicon rubber sheath, the inside of silicon rubber sheath is provided with the cable core, the inside of cable core is provided with the fire-retardant oxygen layer that separates of thermoplasticity low cigarette steamed low cigarette. The utility model has the advantages of it is following and effect: through setting up the surface at the cable core with the silicon rubber sheath and cooperate with cable sleeve, and the silicon rubber sheath has high temperature resistant effect, make it increase the safeguard effect to the cable core, through set up the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen at the surface of sinle silk, the internal surface at outer shielding layer sets up the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen, because the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen has higher flame retardant efficiency and compares general flame retardant material flame retardant efficiency better, can effectual promotion high temperature resistant flame retardant efficiency.
Description
Technical Field
The utility model relates to a power cable technical field, in particular to there is not steamed low fire-retardant low pressure power cable of cigarette.
Background
The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line.
In the prior art, chinese patent publication No. CN215450962U discloses an extrusion-resistant and deformation-resistant low-voltage power cable, which belongs to the field of power cables, and includes a low-voltage power cable body, a flexible rubber sleeve is fixedly sleeved inside the low-voltage power cable body, a signal line is fixedly sleeved inside the flexible rubber sleeve, a protective layer is disposed inside the low-voltage power cable body, the protective layer includes an anticorrosive paint, a wear-resistant layer, a fire-resistant layer, a pressure-resistant layer, a plastic layer and an insulating layer, the anticorrosive paint is disposed outside the wear-resistant layer, the wear-resistant layer is disposed outside the fire-resistant layer, and the fire-resistant layer is disposed outside the pressure-resistant layer; through setting up the plastic layer for when signal line multiple bending uses, the plastic layer can be protected the bend of signal line, has avoided because of the cracked problem takes place for same position multiple bending of signal line, thereby reaches the effect of protecting the signal line, makes very big improvement low voltage power cable's life.
The cable has good anti-fracture effect in the patent, but the cable has simple structure when in use, so that the flame retardant effect is poor, and the wear resistance, the compression resistance and the corrosion resistance are poor, and therefore, the improvement on the existing problems is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a there is not steamed low fire-retardant low pressure power cable of cigarette, it is good to have the low fire-retardant effect of steamed cigarette of nothing, and the wear-resisting corrosion-resistant effect of resistance to compression promotes the effect.
The above technical object of the present invention can be achieved by the following technical solutions: the utility model provides a there is not fire-retardant low pressure power cable of steamed low cigarette, includes cable sleeve, cable sleeve's internal surface is provided with the silicon rubber sheath, the inside of silicon rubber sheath is provided with the cable core, the inside of cable core is provided with the fire-retardant oxygen layer that separates of thermoplasticity low cigarette zero halogen, the fire-retardant inside that separates the oxygen layer of thermoplasticity low cigarette zero halogen is provided with the sinle silk, the internal surface of sinle silk is provided with the outer shielding layer, the internal surface of outer shielding layer is provided with the fire-retardant inner insulating layer of thermoplasticity end cigarette zero halogen, the internal surface of conductor cover is provided with the internal shield layer, the inside on internal shield layer is provided with the conductor.
Through adopting above-mentioned technical scheme, through setting up the surface at the cable core with the silicon rubber sheath and cooperate with cable sleeve, and the silicon rubber sheath has high temperature resistant effect, make it increase the protective effect to the cable core, through set up the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen at the surface of sinle silk, internal surface at the outer shielding layer sets up the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen, because the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen has higher flame retardant efficiency and compares general flame retardant material flame retardant efficiency better, and the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen has low smoke and flame retardant efficiency equally, and insulating effect is better, consequently under the cooperation of subassembly such as through silicon rubber sheath and components such as the fire-retardant oxygen layer of thermoplasticity low smoke and zero halogen fire-retardant oxygen layer that separates, can effectually promote power cable's high temperature resistant flame retardant efficiency, promote its life, make the safe in service effect of low voltage power cable in adverse circumstances better.
The utility model discloses a further set up to: the surface of conductor cover is provided with the resistance to compression filling layer, the surface of resistance to compression filling layer is provided with the rubber protection layer.
Through adopting above-mentioned technical scheme, can play the resistance to compression effect in the outside of conductor cover through the setting of resistance to compression filling layer, can play the safeguard effect to the outside of resistance to compression filling layer through the setting of rubber protective layer, and the rubber protective layer is located the internal surface of the fire-retardant interior insulation layer of thermoplasticity end cigarette halogen-free to it is better to have increased the outside fireproof effect of rubber protective layer and made its safety protection effect.
The utility model discloses a further set up to: the inner surface of the inner shielding layer is provided with a conductor connecting layer, and the outer surface of the conductor connecting layer is provided with an inner filling layer.
Through adopting above-mentioned technical scheme, through the cooperation setting of conductor articulamentum and interior filling layer, can effectively promote the leakproofness of conductor in its inside to it is better to the protective effect of conductor to make it.
The utility model discloses a further set up to: the cable sleeve is characterized in that a chloroprene rubber layer is arranged on the outer surface of the cable sleeve, and a low-smoke halogen-free polyolefin flame-retardant layer is arranged on the outer surface of the chloroprene rubber layer.
Through adopting above-mentioned technical scheme, the chloroprene rubber layer has certain wear-resisting effect and prevents that the external environment from causing the friction to the cable sleeve to reduce its life, set up the fire-retardant layer of low smoke and zero halogen polyolefin and further increased the outside fire-retardant effect to the cable sleeve at the surface on chloroprene rubber layer.
The utility model discloses a further set up to: the outer surface of the low-smoke halogen-free polyolefin flame-retardant layer is provided with a corrosion-resistant layer, and the outer surface of the corrosion-resistant layer is provided with a corrosion-resistant coating.
Through adopting above-mentioned technical scheme, the cooperation through the dual corrosion-resistant layer of corrosion-resistant layer and corrosion-resistant coating sets up down, can effectually promote the outside corrosion-resistant effect of cable sleeve to further reduce the maintenance cost to cable sleeve.
The utility model discloses a further set up to: the surface of sinle silk is provided with high temperature resistant fibrous layer, the surface of outer shielding layer is provided with first filling layer.
Through adopting above-mentioned technical scheme, through the cooperation effect of high temperature resistant fibrous layer with the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen under, increased the high temperature resistant flame retardant efficiency to the sinle silk, through increase first filling layer between sinle silk and outer shielding layer to fill the gap of connecting between the sinle silk, guarantee the leakproofness between sinle silk and the outer shielding layer.
The utility model has the advantages that:
1. the utility model discloses, through cable sleeve, the silicon rubber sheath, the cable core, the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen, the sinle silk, the outer shielding layer, the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen, the conductor housing, cooperation setting between inner shielding layer and the conductor, can make this device when using, through setting up the silicon rubber sheath at the surface of cable core and cooperate with cable sleeve, and the silicon rubber sheath has high temperature resistant effect, make it increase the safeguard effect to the cable core, through setting up the fire-retardant oxygen layer that separates of thermoplasticity low smoke and zero halogen at the surface of sinle silk, the internal surface on the outer shielding layer sets up the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen at the bottom, because the fire-retardant oxygen layer of thermoplasticity low smoke and zero halogen has higher fire-retardant effect and compare general fire-retardant material fire-retardant effect better, and the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen has low smoke and zero halogen equally has low smoke fire-retardant performance at the bottom, and low smoke and zero halogen fire-retardant inner insulating effect is better, can effectually, therefore the high temperature resistant fire-retardant effect of power cable is better through the cooperation of silicon rubber sheath with the fire-retardant oxygen layer of components such as the fire-retardant inner insulating layer of thermoplasticity end smoke and the fire-free at the abominable environment.
2. The utility model discloses, through the resistance to compression filling layer, the rubber protective layer, the chloroprene rubber layer, low smoke and zero halogen polyolefin flame retardant coating, cooperation setting between corrosion resistant layer and the corrosion resistant coating, can make this device when using, can play the resistance to compression effect in the outside of conductor cover through the setting of resistance to compression filling layer, can play the protecting effect to the outside of resistance to compression filling layer through the setting of rubber protective layer, and the rubber protective layer is located the internal surface of thermoplasticity end cigarette zero halogen flame-retardant inner insulating layer, thereby it is better to have increased the outside fire prevention effect of rubber protective layer and made its safety protection effect, the chloroprene rubber layer has certain abrasive effect and prevents that the external environment from causing the friction to the cable sleeve, thereby reduce its life, the surface that sets up on the chloroprene rubber layer with low smoke and zero halogen polyolefin flame retardant layer has further increased the outside flame retardant efficiency to the cable sleeve, through the cooperation setting of corrosion resistant layer with corrosion resistant coating, can effectually promote the outside corrosion resistant effect of cable sleeve, thereby further reduce the maintenance cost to the cable sleeve.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
FIG. 1 is a schematic view of the present invention;
fig. 2 is a schematic structural view of the cable sleeve of the present invention;
FIG. 3 is a schematic view of the structure of the thermoplastic bottom smoke halogen-free flame retardant inner insulating layer of the present invention;
fig. 4 is a schematic view of the conductor structure of the present invention.
In the figure, 1, a cable sleeve; 2. a silicone rubber sheath; 3. a cable core; 4. a thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer; 5. a wire core; 6. an outer shield layer; 7. the thermoplastic bottom smoke is a halogen-free flame-retardant inner insulating layer; 8. a conductor sleeve; 9. an inner shield layer; 10. a conductor; 12. a compression-resistant filling layer; 13. a rubber protective layer; 14. a conductor connection layer; 15. an inner filling layer; 16. a chloroprene rubber layer; 17. a low smoke halogen-free polyolefin flame retardant layer; 18. a corrosion-resistant layer; 19. a corrosion-resistant coating; 20. a high temperature resistant fiber layer; 21. a first filling layer.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a halogen-free low-smoke flame-retardant low-voltage power cable comprises a cable sleeve 1, a silicon rubber sheath 2 is arranged on the inner surface of the cable sleeve 1, a cable core 3 is arranged inside the silicon rubber sheath 2, a thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer 4 is arranged inside the cable core 3, a cable core 5 is arranged inside the thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer 4, an outer shielding layer 6 is arranged on the inner surface of the cable core 5, a thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7 is arranged on the inner surface of the outer shielding layer 6, a conductor sleeve 8 is arranged on the inner surface of the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7, an inner shielding layer 9 is arranged on the inner surface of the conductor sleeve 8, a conductor 10 is arranged inside the inner shielding layer 9, the silicon rubber sheath 2 is arranged on the outer surface of the cable core 3 and matched with the cable sleeve 1, and the silicon rubber sheath 2 has a high-temperature resistant effect, so that the protection effect on the cable core 3 is increased, by arranging the thermoplastic low-smoke halogen-free flame-retardant oxygen-insulating layer 4 on the outer surface of the wire core 5 and arranging the thermoplastic bottom-smoke halogen-free flame-retardant inner insulating layer 7 on the inner surface of the outer shielding layer 6, as the thermoplastic low-smoke halogen-free flame-retardant oxygen-insulating layer 4 has higher flame-retardant effect than that of a common flame-retardant material, and the thermoplastic bottom-smoke halogen-free flame-retardant inner insulating layer 7 also has low-smoke flame-retardant performance and better insulating effect, under the matching action of the silicon rubber sheath 2, the thermoplastic low-smoke halogen-free flame-retardant oxygen-insulating layer 4, the thermoplastic bottom-smoke halogen-free flame-retardant inner insulating layer 7 and other components, the high-temperature-resistant flame-retardant effect of the power cable can be effectively improved, the service life of the power cable is prolonged, the use safety effect of the low-voltage power cable in severe environment is better, and the outer surface of the conductor sheath 8 is provided with the compression-resistant filling layer 12, the outer surface of the compression-resistant filling layer 12 is provided with a rubber protection layer 13, the compression-resistant effect can be achieved outside the conductor sleeve 8 through the arrangement of the compression-resistant filling layer 12, the protection effect can be achieved outside the compression-resistant filling layer 12 through the arrangement of the rubber protection layer 13, the rubber protection layer 13 is located on the inner surface of the thermoplastic bottom smoke halogen-free flame-retardant inner insulation layer 7, the fireproof effect outside the rubber protection layer 13 is increased, the safety protection effect is better, the conductor connecting layer 14 is arranged on the inner surface of the inner shielding layer 9, the inner filling layer 15 is arranged on the outer surface of the conductor connecting layer 14, the sealing performance of the conductor 10 inside the conductor 10 can be effectively improved through the matching arrangement of the conductor connecting layer 14 and the inner filling layer 15, the protection effect of the conductor 10 is better, the outer surface of the cable sleeve 1 is provided with a chloroprene rubber layer 16, the outer surface of the chloroprene rubber layer 16 is provided with a low-smoke halogen-free polyolefin flame-retardant layer 17, the chloroprene rubber layer 16 has a certain wear-resistant effect to prevent the external environment from causing friction on the cable sleeve 1, thereby reducing the service life of the cable sleeve, the low-smoke halogen-free polyolefin flame-retardant layer 17 is arranged on the outer surface of the chloroprene rubber layer 16 to further increase the flame-retardant effect on the outside of the cable sleeve 1, the outer surface of the low-smoke halogen-free polyolefin flame-retardant layer 17 is provided with the corrosion-resistant layer 18, the outer surface of the corrosion-resistant layer 18 is provided with the corrosion-resistant coating 19, under the matching arrangement of the corrosion-resistant layer 18 and the corrosion-resistant coating 19, the corrosion-resistant effect on the outside of the cable sleeve 1 can be effectively improved, thereby further reducing the maintenance cost on the cable sleeve 1, the outer surface of the cable core 5 is provided with the high-temperature resistant fiber layer 20, the outer surface of the outer shielding layer 6 is provided with the first filling layer 21, under the matching action of the high-temperature resistant fiber layer 20 and the thermoplastic low-smoke halogen-free flame-retardant oxygen barrier layer 4, the high-temperature-resistant flame-retardant effect on the wire core 5 is increased, and the first filling layer 21 is additionally arranged between the wire core 5 and the outer shielding layer 6, so that a gap connected between the wire core 5 is filled, and the tightness between the wire core 5 and the outer shielding layer 6 is guaranteed.
In the utility model, the matching arrangement among the cable sleeve 1, the silicon rubber sheath 2, the cable core 3, the thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer 4, the cable core 5, the outer shielding layer 6, the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7, the conductor sleeve 8, the inner shielding layer 9 and the conductor 10 can ensure that the device can be used by arranging the silicon rubber sheath 2 on the outer surface of the cable core 3 and matching with the cable sleeve 1, and the silicon rubber sheath 2 has the high temperature resistant effect, thereby increasing the protection effect on the cable core 3, arranging the thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer 4 on the outer surface of the cable core 5, arranging the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7 on the inner surface of the outer shielding layer 6, because the thermoplastic low-smoke halogen-free flame-retardant oxygen-isolating layer 4 has higher flame-retardant effect, which is better than that of common flame-retardant materials, and the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7 also has low smoke flame-retardant performance, and the insulating effect is better, so under the matching action of the components such as the silicon rubber sheath 2, the thermoplastic low smoke halogen-free flame-retardant oxygen-isolating layer 4, the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7 and the like, the high-temperature resistant flame-retardant effect of the power cable can be effectively improved, the service life of the power cable is prolonged, the use safety effect of the low-voltage power cable in severe environment is better, through the matching arrangement between the compression-resistant filling layer 12, the rubber protective layer 13, the chloroprene rubber layer 16, the low smoke halogen-free polyolefin flame-retardant layer 17, the corrosion-resistant layer 18 and the corrosion-resistant coating 19, when the device is used, the compression-resistant effect can be achieved outside the conductor sleeve 8 through the arrangement of the compression-resistant filling layer 12, and the protection effect can be achieved outside the compression-resistant filling layer 12 through the arrangement of the rubber protective layer 13, and the rubber protective layer 13 is located at the inner surface of the thermoplastic bottom smoke halogen-free flame-retardant inner insulating layer 7, thereby increasing the external fireproof effect of the rubber protective layer 13 to make the safety protection effect better, the chloroprene rubber layer 16 has a certain wear-resistant effect to prevent the external environment from causing friction to the cable sleeve 1, thereby reducing the service life of the cable sleeve, the low-smoke halogen-free polyolefin flame-retardant layer 17 is arranged on the outer surface of the chloroprene rubber layer 16 to further increase the external flame-retardant effect to the cable sleeve 1, and the corrosion-resistant layer 18 and the corrosion-resistant coating 19 are matched to improve the external corrosion-resistant effect of the cable sleeve 1, thereby further reducing the maintenance cost of the cable sleeve 1.
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. The utility model provides a there is not steamed low fire-retardant low pressure power cable of cigarette, includes cable sleeve (1), its characterized in that: the internal surface of cable sleeve (1) is provided with silicon rubber sheath (2), the inside of silicon rubber sheath (2) is provided with cable core (3), the inside of cable core (3) is provided with the fire-retardant oxygen layer (4) that separates of thermoplasticity low smoke and zero halogen, the fire-retardant internal surface that separates oxygen layer (4) of thermoplasticity low smoke and zero halogen is provided with sinle silk (5), the internal surface of sinle silk (5) is provided with external shielding layer (6), the internal surface of external shielding layer (6) is provided with the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen (7), the internal surface of the fire-retardant inner insulating layer of thermoplasticity end smoke and zero halogen (7) is provided with conductor cover (8), the internal surface of conductor cover (8) is provided with internal shielding layer (9), the inside of internal shielding layer (9) is provided with conductor (10).
2. The halogen-free low-smoke flame-retardant low-voltage power cable according to claim 1, characterized in that: the outer surface of the conductor sleeve (8) is provided with a compression-resistant filling layer (12), and the outer surface of the compression-resistant filling layer (12) is provided with a rubber protection layer (13).
3. The halogen-free low-smoke flame-retardant low-voltage power cable according to claim 1, characterized in that: the inner surface of the inner shielding layer (9) is provided with a conductor connecting layer (14), and the outer surface of the conductor connecting layer (14) is provided with an inner filling layer (15).
4. The halogen-free low-smoke flame-retardant low-voltage power cable according to claim 1, characterized in that: the cable sleeve is characterized in that a chloroprene rubber layer (16) is arranged on the outer surface of the cable sleeve (1), and a low-smoke halogen-free polyolefin flame-retardant layer (17) is arranged on the outer surface of the chloroprene rubber layer (16).
5. The halogen-free low-smoke flame-retardant low-voltage power cable according to claim 4, characterized in that: the outer surface of the low-smoke halogen-free polyolefin flame-retardant layer (17) is provided with a corrosion-resistant layer (18), and the outer surface of the corrosion-resistant layer (18) is provided with a corrosion-resistant coating (19).
6. The halogen-free low-smoke flame-retardant low-voltage power cable according to claim 1, characterized in that: the surface of sinle silk (5) is provided with high temperature resistant fibrous layer (20), the surface of outer shielding layer (6) is provided with first filling layer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221565972.1U CN217606600U (en) | 2022-06-22 | 2022-06-22 | Halogen-free low-smoke flame-retardant low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221565972.1U CN217606600U (en) | 2022-06-22 | 2022-06-22 | Halogen-free low-smoke flame-retardant low-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217606600U true CN217606600U (en) | 2022-10-18 |
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ID=83590108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221565972.1U Active CN217606600U (en) | 2022-06-22 | 2022-06-22 | Halogen-free low-smoke flame-retardant low-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217606600U (en) |
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2022
- 2022-06-22 CN CN202221565972.1U patent/CN217606600U/en active Active
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