CN218647671U - Environment-friendly silane cross-linked low-smoke halogen-free cable - Google Patents
Environment-friendly silane cross-linked low-smoke halogen-free cable Download PDFInfo
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- CN218647671U CN218647671U CN202223318240.5U CN202223318240U CN218647671U CN 218647671 U CN218647671 U CN 218647671U CN 202223318240 U CN202223318240 U CN 202223318240U CN 218647671 U CN218647671 U CN 218647671U
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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
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Abstract
The utility model discloses an environment-friendly silane crosslinking low smoke and zero halogen cable relates to the relevant field of cable, but its environmental protection and energy saving effect is not good for solving present cable structure simple, and is not good to the fire-retardant high temperature resistant protective effect of cable to reduce its ageing resistance effect, easily lead to the problem that cable life reduces. The utility model discloses a fire-retardant polyolefin shielding layer of low smoke and zero halogen, including oversheath, the inside of oversheath is provided with around the band layer, around the inside fixedly connected with total covering of band layer, the internal surface of total covering is provided with the inner sheath, the inside fixedly connected with low smoke and zero halogen fire-retardant jacket layer of inner sheath, the inside of low smoke and zero halogen fire-retardant jacket layer is provided with the copper core conductor, the surface of copper core conductor is provided with cross-linking low smoke and zero halogen polyolefin shielding layer, the surface of cross-linking low smoke and zero halogen polyolefin shielding layer is provided with silane cross-linking low smoke and zero halogen fire-retardant polyolefin insulating layer, the surface fixed connection of silane cross-linking low smoke and zero halogen fire-retardant polyolefin insulating layer has the insulation shielding layer.
Description
Technical Field
The utility model relates to a XXX correlation field specifically is an environment-friendly silane crosslinking low smoke and zero halogen cable.
Background
The cable is used for transmitting electric (magnetic) energy and information, wire rod products for realizing electromagnetic energy conversion are the focus of attention in the field of building industry along with rapid development of global economy and continuous enhancement of awareness of human beings on environmental protection and fire safety, and meanwhile, fire safety disaster accidents frequently occur due to the quality problem of the electric wires and cables, so that the fire hazard occurrence probability and the fire hazard occurrence mortality rate are reduced, and the low-smoke, halogen-free, flame-retardant, fire-resistant, environment-friendly and safe wire rod products become the direction of common research and development in the field of electric wires and cables.
In the prior art, chinese patent publication No. CN209388771U discloses a low smoke and zero halogen cable, which includes an outer protection layer, a plurality of conductor assemblies are disposed in the outer protection layer, a plurality of air bags connected end to end are disposed in a space surrounded by two adjacent conductor assemblies and a minor arc portion of an inner wall of the outer protection layer, and inert gas is filled in the air bags. The utility model uses the air bag filled with inert gas to replace the filler in the cable, when the air bag is burnt, the inert gas is released, and the cable and the objects around the cable can be prevented from burning after the inert gas is diffused; the air bag is fixed on the conductor assembly by the cable-forming strapping tape, and the strapping size of the cable-forming strapping tape can be freely adjusted, so that the cable-forming strapping tape is suitable for strapping air bags and conductor assemblies with various sizes, and has wide application range and low cost.
Have fine application scope extensively in the above-mentioned patent, low cost's effect moreover, its cable structure is simple but its environmental protection and energy saving effect is not good, and is not good to the fire-retardant high temperature resistant protective effect of cable to reduce its ageing resistance effect, easily lead to cable life to reduce, consequently need make the improvement to the problem that exists at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environment-friendly silane crosslinking low smoke and zero halogen cable to the cable structure who provides in solving above-mentioned background art is simple but its environmental protection and energy saving effect is not good, and is not good to the fire-retardant high temperature resistant protective effect of cable, thereby reduces its ageing resistance effect, easily leads to the problem that cable life reduces.
In order to achieve the above purpose, the utility model provides a following technical scheme: an environment-friendly silane cross-linked low-smoke halogen-free cable comprises an outer sheath, wherein a wrapping tape layer is arranged inside the outer sheath, the inner part of the wrapping belt layer is fixedly connected with a total wrapping layer, the inner surface of the total wrapping layer is provided with an inner sheath, the interior of the inner sheath is fixedly connected with a low-smoke halogen-free flame-retardant jacket layer, a copper core conductor is arranged in the low-smoke halogen-free flame-retardant jacket layer, the outer surface of the copper core conductor is provided with a cross-linked low-smoke halogen-free polyolefin shielding layer, the outer surface of the cross-linked low-smoke halogen-free polyolefin shielding layer is provided with a silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer, the outer surface of the silane crosslinking low-smoke halogen-free flame-retardant polyolefin insulating layer is fixedly connected with an insulating shielding layer, the outer surface of the insulating shielding layer is provided with low-smoke halogen-free flame-retardant filler, when in use, the total cladding is connected by the winding cladding layer, and the low-smoke halogen-free flame-retardant jacket layer is connected between the inner sheath and the copper core conductor, so that the flame-retardant protection effect on the outer part of the copper core conductor is enhanced, the cross-linked low-smoke halogen-free polyolefin shielding layer is used as the shielding layer of the copper core conductor, the cross-linked low-smoke halogen-free polyolefin shielding layer can improve the mechanical property and the heat resistance of the copper core conductor and the properties of environmental stress cracking resistance and the like, thereby improving the service life and stress resistance of the copper core conductor, fixing the silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer outside the shielding layer of the copper core conductor to be matched with the low-smoke halogen-free flame-retardant filler, further improving the overall fire resistance of the cable, and the silane crosslinking low-smoke halogen-free flame-retardant polyolefin insulating layer has low toxicity and low-smoke flame-retardant effect, thereby preventing the occurrence of a large amount of smoke during combustion to suffocate and corrode people and improving the overall environment-friendly and durable effect of the cable.
In a further embodiment, the surface of inner sheath is provided with the external shield layer, the inner wall of inner sheath is provided with silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating layer, through with silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating layer connect in the inner sheath inner wall, because silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating material low in production cost, and the material performance is more stable, and can play low smoke flame retardant effect, promoted the mechanical properties of cable and reduced the cost when the cable uses.
In a further embodiment, the inner wall of the total cladding is provided with a polypropylene insulating layer, the thickness of the polypropylene insulating layer is 0.8mm, the polypropylene insulating layer is used as an insulating material of the inner wall of the total cladding, pollution and energy consumption in the production process of the cable can be reduced, and the waste environment-friendly materials can be recycled in percentage, so that the environment-friendly and energy-saving effect of the cable can be further better.
In a further embodiment, the inner wall of the wrapping band layer is provided with a high temperature resistant layer, the thickness of the high temperature resistant layer is 1mm, the high temperature resistant effect on the conductive assembly inside the wrapping band layer is promoted by the aid of the high temperature resistant layer, and the service life of the internal assembly is further prolonged.
In a further embodiment, the outward appearance fixedly connected with resistance to compression filling layer of oversheath, the surface of resistance to compression filling layer is provided with low smoke and zero halogen high temperature resistant jacket layer, can increase the resistance to compression protective effect to the cable outside through the resistance to compression filling layer, plays high temperature resistant fire-retardant effect to the cable outside through being connected with low smoke and zero halogen high temperature resistant jacket layer.
In a further embodiment, the outer surface of the outer sheath is provided with the corrosion-resistant coating, the corrosion-resistant coating extends to the cross section of the outer sheath, and the outer sheath is exposed outside for a long time, so that the corrosion resistance of the outer surface of the outer sheath can be enhanced through the arrangement of the corrosion-resistant coating, and the protection effect of the outer sheath is further improved.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, the outer sheath, the wrapping tape layer, the total wrapping layer, the inner sheath, the low-smoke halogen-free flame-retardant jacket layer, the copper core conductor, the cross-linked low-smoke halogen-free polyolefin shielding layer, the silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer, the insulating shielding layer and the low-smoke halogen-free flame-retardant filler are matched, so that when the device is used, the total wrapping layer is connected through the wrapping tape layer when in use, the low-smoke halogen-free flame-retardant jacket layer is connected between the inner sheath and the copper core conductor, the flame-retardant protection effect on the outer part of the copper core conductor is increased, the cross-linked low-smoke halogen-free polyolefin shielding layer is used as the shielding layer of the copper core conductor, the cross-linking low-smoke halogen-free polyolefin shielding layer can improve the mechanical property and the heat resistance of the copper core conductor and the performance such as environmental stress cracking resistance, and further improve the service life and the stress resistance effect of the copper core conductor, fix the silane cross-linking low-smoke halogen-free flame-retardant polyolefin insulating layer outside the copper core conductor shielding layer and match with the low-smoke halogen-free flame-retardant filler, further improve the overall fire resistance effect of the cable, and the silane cross-linking low-smoke halogen-free flame-retardant polyolefin insulating layer has low toxicity and low-smoke flame-retardant effect, and further can prevent the effect that a large amount of smoke suffocates and corrodes when burning, promote the overall environmental protection and durability effect of the cable.
2. The utility model discloses an in, through silane natural crosslinking low smoke and zero halogen flame retardant polyolefin insulating layer, cooperation setting between polypropylene insulating layer and the corrosion-resistant coating, can make this device when using, through connecting silane natural crosslinking low smoke and zero halogen flame retardant polyolefin insulating layer in the inner sheath inner wall, because silane natural crosslinking low smoke and zero halogen flame retardant polyolefin insulating material low in production cost, and the material performance is more stable, and can play low smoke flame retardant efficiency, the mechanical properties of cable has been promoted and the cost when reducing the cable use, regard the polypropylene insulating layer as the insulating material of total covering inner wall, can reduce pollution and energy consumption in the cable production process, and abandonment environmental protection material can hundred percent retrieve and recycle, from this alright further make the cable use environmental protection and energy saving effect better, can strengthen the corrosion resisting property of oversheath surface through corrosion-resistant coating's setting, and then increase the protecting effect of oversheath.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the copper conductor structure of the present invention;
FIG. 3 is a schematic view of the polypropylene insulating layer according to the present invention;
fig. 4 is a schematic structural view of the low-smoke halogen-free high-temperature resistant jacket layer of the present invention.
In the figure: 1. an outer sheath; 2. wrapping a tape layer; 3. a total cladding; 4. an inner sheath; 5. a low-smoke halogen-free flame-retardant jacket layer; 6. a copper-core conductor; 7. a cross-linked low-smoke halogen-free polyolefin shielding layer; 8. a silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer; 9. an insulating shield layer; 10. low-smoke halogen-free flame-retardant filler; 11. an outer shield layer; 12. silane natural cross-linking low-smoke halogen-free flame-retardant polyolefin insulating layer; 13. a polypropylene insulating layer; 14. a high temperature resistant layer; 15. a compression-resistant filling layer; 16. a low-smoke halogen-free high-temperature resistant jacket layer; 17. a corrosion-resistant coating.
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.
Referring to fig. 1-4, the present invention provides an embodiment of an environment-friendly silane crosslinked low-smoke halogen-free cable: an environment-friendly silane cross-linked low-smoke halogen-free cable comprises an outer sheath 1, wherein a wrapping tape layer 2 is arranged inside the outer sheath 1, a total cladding 3 is fixedly connected inside the wrapping tape layer 2, an inner sheath 4 is arranged on the inner surface of the total cladding 3, a low-smoke halogen-free flame-retardant sheath layer 5 is fixedly connected inside the inner sheath 4, a copper core conductor 6 is arranged inside the low-smoke halogen-free flame-retardant sheath layer 5, a cross-linked low-smoke halogen-free polyolefin shielding layer 7 is arranged on the outer surface of the copper core conductor 6, a silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer 8 is arranged on the outer surface of the cross-linked low-smoke halogen-free flame-retardant polyolefin shielding layer 8, an insulating shielding layer 9 is fixedly connected on the outer surface of the insulating shielding layer 9, low-smoke halogen-free flame-retardant filler 10 is arranged on the outer surface of the insulating shielding layer 9, and the total cladding 3 is connected through the wrapping tape layer 2 when in use, the low-smoke halogen-free flame-retardant jacket layer 5 is connected between the inner sheath 4 and the copper core conductor 6, the flame-retardant protection effect on the outer part of the copper core conductor 6 is increased, the cross-linked low-smoke halogen-free polyolefin shielding layer 7 is used as the shielding layer of the copper core conductor 6, the cross-linked low-smoke halogen-free polyolefin shielding layer 7 can improve the mechanical property, the heat resistance, the environmental stress cracking resistance and other properties of the copper core conductor 6, further improve the service life and the stress resistance effect of the copper core conductor 6, the silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer 8 is fixed on the outer part of the shielding layer of the copper core conductor 6 to be matched with the low-smoke halogen-free flame-retardant filler 10, further improve the overall flame-retardant effect of the cable, and the silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer 8 has the effects of low toxicity, low smoke and flame retardance, thereby preventing a large amount of smoke from suffocating and corroding during combustion, the overall environment-friendly and durable effect of the cable is improved.
Further, the surface of inner sheath 4 is provided with outer shielding layer 11, and the inner wall of inner sheath 4 is provided with silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating layer 12, through connecting silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating layer 12 in inner sheath 4 inner wall, because silane natural crosslinking low smoke zero halogen flame retardant polyolefin insulating material low in production cost, and the material performance is more stable, and can play low smoke flame retardant efficiency, promoted the mechanical properties of cable and reduced the cost when the cable uses.
Further, the inner wall of the total cladding 3 is provided with the polypropylene insulating layer 13, the thickness of the polypropylene insulating layer 13 is 0.8mm, the polypropylene insulating layer 13 is used as an insulating material of the inner wall of the total cladding 3, pollution and energy consumption in the production process of the cable can be reduced, and the waste environment-friendly materials can be recycled in percentage, so that the environment-friendly and energy-saving effect of the cable can be further better.
Further, be provided with high temperature resistant layer 14 around the inner wall of band layer 2, the thickness on high temperature resistant layer 14 is 1mm, helps promoting the high temperature resistant effect to the inside conductive component of band layer 2 around being provided with through high temperature resistant layer 14, and then promotes the life of inside subassembly.
Further, oversheath 1's outward appearance fixedly connected with resistance to compression filling layer 15, resistance to compression filling layer 15's surface is provided with low smoke and zero halogen high temperature resistant jacket layer 16, through resistance to compression filling layer 15 multiplicable to the outside resistance to compression protective effect of cable, is connected through with low smoke and zero halogen high temperature resistant jacket layer 16 and plays high temperature resistant flame retardant effect to the cable outside.
Further, the outer surface of the outer sheath 1 is provided with the corrosion-resistant coating 17, the corrosion-resistant coating 17 extends to the cross section of the outer sheath 1, the outer sheath 1 is exposed outside for a long time, the corrosion resistance of the outer surface of the outer sheath 1 can be enhanced through the arrangement of the corrosion-resistant coating 17, and then the protection effect of the outer sheath 1 is improved.
The working principle is as follows: through the matching arrangement of the outer sheath 1, the wrapping tape layer 2, the total wrapping layer 3, the inner sheath 4, the low-smoke halogen-free flame-retardant sleeve layer 5, the copper core conductor 6, the cross-linked low-smoke halogen-free polyolefin shielding layer 7, the silane cross-linked low-smoke halogen-free flame-retardant polyolefin insulating layer 8, the insulating shielding layer 9 and the low-smoke halogen-free flame-retardant filler 10, when the device is used, the total wrapping layer 3 is connected through the wrapping tape layer 2 when the device is used, the low-smoke halogen-free flame-retardant sleeve layer 5 is connected between the inner sheath 4 and the copper core conductor 6, the flame-retardant protection effect on the outer part of the copper core conductor 6 is increased, the cross-linked low-smoke halogen-free polyolefin shielding layer 7 is used as the shielding layer of the copper core conductor 6, the cross-linked low-smoke halogen-free polyolefin shielding layer 7 can improve the mechanical property, the heat resistance, the environmental stress cracking resistance and other properties of the copper core conductor 6, further improve the service life and the stress resistance effect of the copper core conductor 6, fixing the silane cross-linked LSZH (low smoke zero halogen) flame-retardant polyolefin insulating layer 8 outside the shielding layer of the copper core conductor 6 to be matched with the LSZH (low smoke zero halogen) flame-retardant filler 10, further improving the overall fire-resistant effect of the cable, wherein the silane cross-linked LSZH (low smoke zero halogen) flame-retardant polyolefin insulating layer 8 has low toxicity and low smoke flame-retardant effect, thereby preventing the generation of a large amount of smoke during combustion to suffocate and corrode people, improving the overall environment-friendly durable effect of the cable, and through the matching arrangement between the silane natural cross-linked LSZH (low smoke zero halogen) flame-retardant polyolefin insulating layer 12, the polypropylene insulating layer 13 and the corrosion-resistant coating 17, the device can be used by connecting the silane natural cross-linked LSZH (low smoke zero halogen) flame-retardant polyolefin insulating layer 12 to the inner wall of the inner sheath 4 And the material performance is more stable, and can play low cigarette flame retardant efficiency, the mechanical properties of cable has been promoted and the cost when reducing the cable and using, regard polypropylene insulating layer 13 as the insulating material of 3 inner walls of total covering, pollution and energy consumption in the cable production process can be reduced, and abandonment environmental protection material can be hundred percent retrieved and recycled, just from this alright further make the cable use environmental protection and energy saving effect better, can strengthen the corrosion resisting property of oversheath 1 surface through setting up of corrosion resistant coating 17, and then increase oversheath 1's protective effect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an environment-friendly silane crosslinking low smoke and zero halogen cable, includes oversheath (1), its characterized in that: the utility model discloses a fire-retardant polyolefin cable sheath, including oversheath (1), the inside of oversheath is provided with around belting layer (2), wind inside fixedly connected with total covering (3) of belting layer (2), the internal surface of total covering (3) is provided with inner sheath (4), the inside fixedly connected with low smoke and zero halogen fire-retardant jacket layer (5) of inner sheath (4), the inside of low smoke and zero halogen fire-retardant jacket layer (5) is provided with copper core conductor (6), the surface of copper core conductor (6) is provided with cross-linking low smoke and zero halogen polyolefin shielding layer (7), the surface of cross-linking low smoke and zero halogen polyolefin shielding layer (7) is provided with silane cross-linking low smoke and zero halogen fire-retardant polyolefin insulating layer (8), the surface fixed connection of silane cross-linking low smoke and zero halogen fire-retardant polyolefin insulating layer (8) has insulation shield (9), the surface of insulation shield (9) is provided with low smoke and zero halogen fire-retardant stopping (10).
2. The environment-friendly silane cross-linked low-smoke halogen-free cable according to claim 1, characterized in that: the surface of inner sheath (4) is provided with external shielding layer (11), the inner wall of inner sheath (4) is provided with silane natural crosslinking low smoke and zero halogen flame retardant polyolefin insulating layer (12).
3. The environment-friendly silane crosslinked low-smoke halogen-free cable according to claim 1, characterized in that: the inner wall of total envelope (3) is provided with polypropylene insulation layer (13), polypropylene insulation layer (13)'s thickness is 0.8mm.
4. The environment-friendly silane crosslinked low-smoke halogen-free cable according to claim 1, characterized in that: the inner wall of the wrapping tape layer (2) is provided with a high-temperature-resistant layer (14), and the thickness of the high-temperature-resistant layer (14) is 1mm.
5. The environment-friendly silane crosslinked low-smoke halogen-free cable according to claim 1, characterized in that: the appearance fixedly connected with resistance to compression filling layer (15) of oversheath (1), the surface of resistance to compression filling layer (15) is provided with low smoke and zero halogen high temperature resistant jacketing layer (16).
6. The environment-friendly silane cross-linked low-smoke halogen-free cable according to claim 1, characterized in that: the outer surface of the outer sheath (1) is provided with a corrosion-resistant coating (17), and the corrosion-resistant coating (17) extends to the cross section of the outer sheath (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223318240.5U CN218647671U (en) | 2022-12-12 | 2022-12-12 | Environment-friendly silane cross-linked low-smoke halogen-free cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223318240.5U CN218647671U (en) | 2022-12-12 | 2022-12-12 | Environment-friendly silane cross-linked low-smoke halogen-free cable |
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| Publication Number | Publication Date |
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| CN218647671U true CN218647671U (en) | 2023-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223318240.5U Active CN218647671U (en) | 2022-12-12 | 2022-12-12 | Environment-friendly silane cross-linked low-smoke halogen-free cable |
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| CN (1) | CN218647671U (en) |
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- 2022-12-12 CN CN202223318240.5U patent/CN218647671U/en active Active
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