CN211929110U - Corrosion-resistant high-flame-retardant composite low-voltage power cable - Google Patents
Corrosion-resistant high-flame-retardant composite low-voltage power cable Download PDFInfo
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- CN211929110U CN211929110U CN202020441073.5U CN202020441073U CN211929110U CN 211929110 U CN211929110 U CN 211929110U CN 202020441073 U CN202020441073 U CN 202020441073U CN 211929110 U CN211929110 U CN 211929110U
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- teflon
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Abstract
The utility model discloses a compound low pressure power cable of corrosion-resistant high fire-retardant, including teflon anticorrosive coating one, shielding layer and insulating layer, be provided with fire-retardant layer on the teflon anticorrosive coating inner wall, be provided with teflon anticorrosive coating two on the fire-retardant layer inner wall, be provided with on the two inner walls of teflon anticorrosive coating the shielding layer. Has the advantages that: the Teflon anticorrosive layer I and the Teflon anticorrosive layer II have the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-stick property and the like, and can further improve the flame retardance and high temperature resistance of the flame retardant layer made of the high flame retardant polyolefin material; the Teflon anticorrosive layer I can also protect the surface of the flame-retardant layer, so that the cable is more resistant to aging, and the cable has longer service life; and the flame-retardant layer, the thermal insulation layer and the thermal insulation protective layer can play a good flame-retardant and high-temperature-resistant effect inside and outside the cable, so that the cable has excellent flame-retardant performance and is very practical.
Description
Technical Field
The utility model relates to a power cable technical field, concretely relates to compound low pressure power cable of corrosion-resistant high fire-retardant.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like, and the cables consist of single-strand or multi-strand wires and an insulating layer and are used for connecting a circuit, an electric appliance and the like.
The existing power cable has poor corrosion resistance and aging resistance, and is easy to age and damage by being influenced by the environment; and the flame retardant property is insufficient, so that the use requirement of the power equipment is difficult to meet.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the corrosion-resistant high-flame-retardant composite low-voltage power cable is provided, and the problems that the existing power cable is poor in corrosion resistance and ageing resistance, is easy to age and damage due to environmental influence, and is poor in flame retardant property are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a compound low pressure power cable of corrosion-resistant high fire-retardant, including teflon anticorrosive coating one, shielding layer and insulating layer, be provided with fire-retardant layer on the teflon anticorrosive coating inner wall, be provided with teflon anticorrosive coating two on the fire-retardant layer inner wall, be provided with on the two inner walls of teflon anticorrosive coating the shielding layer, be provided with outer insulating layer on the shielding layer inner wall, be provided with on the outer insulating layer inner wall the insulating layer, be provided with non-hygroscopicity filler in the insulating layer.
Furthermore, the first Teflon anticorrosive layer and the second Teflon anticorrosive layer are both made of Teflon materials, the flame-retardant layer is made of high-flame-retardant polyolefin materials, and the first Teflon anticorrosive layer is coated on the surface of the flame-retardant layer.
By adopting the technical scheme, the Teflon anticorrosive layer I and the Teflon anticorrosive layer II which are made of Teflon materials have the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-stick property and the like, have excellent electrical performance, are excellent insulating materials, can further improve the flame retardance and high temperature resistance of the flame retardant layer made of high flame retardant polyolefin materials, and can also protect the surface of the flame retardant layer.
Further, the flame-retardant layer is coated on the surface of the Teflon anticorrosive layer II, the surface of the shielding layer is coated with the Teflon anticorrosive layer II, and the shielding layer is formed by twisting and weaving copper wires.
Through adopting above-mentioned technical scheme, the shielding layer can shield the outside electromagnetic interference of cable and the transmission of this circuit electromagnetism, just the shielding layer has better electric conductivity, can be used as protection ground connection, the shielding layer self also has fire-retardant characteristic.
Further, the shielding layer is coated on the surface of the outer insulating layer, the outer insulating layer is made of polyethylene materials, the outer insulating layer is coated on the surface of the heat insulating layer, and the heat insulating layer is made of polyolefin composite materials.
By adopting the technical scheme, the outer insulating layer made of the polyethylene material has excellent insulating property, and the heat insulating layer made of the polyolefin composite material can also have a flame-retardant effect.
Furthermore, the non-hygroscopic filler is formed by combining glass fibers and polypropylene tapes, an inner insulating layer is arranged in the non-hygroscopic filler, the inner insulating layer is made of polyethylene materials, and a heat insulation protective layer is arranged in the inner insulating layer.
Through adopting above-mentioned technical scheme, non-hygroscopicity filler has better humidity resistance, can prevent that the cable from influencing insulating nature because of weing, and it fills and can make cable inside more abundant in cable inside, and the structure is compacter.
Furthermore, an oxygen-free copper conductor is arranged in the heat insulation protective layer, the inner insulating layer covers the surface of the heat insulation protective layer, the heat insulation protective layer covers the surface of the oxygen-free copper conductor, and the heat insulation protective layer is made of polyolefin composite materials.
By adopting the technical scheme, the oxygen-free copper conductor has low resistance and excellent conductivity, is a good cable core material, and can be protected by the inner insulating layer and the heat insulation protective layer, and the surface of the oxygen-free copper conductor is insulated.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the power cable aims at solving the problems that the existing power cable is poor in corrosion resistance and ageing resistance, is easy to be influenced by the environment to age and damage, and is insufficient in flame retardant property. The Teflon anticorrosive layer I and the Teflon anticorrosive layer II have the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-stick property and the like, and can further improve the flame retardance and high temperature resistance of the flame retardant layer made of the high flame retardant polyolefin material; the Teflon anticorrosive layer I can also protect the surface of the flame-retardant layer, so that the cable is more resistant to aging, and the cable has longer service life; and the flame-retardant layer, the thermal insulation layer and the thermal insulation protective layer can play a good flame-retardant and flame-retardant effect inside and outside the cable, so that the cable has excellent flame-retardant performance and is very practical.
Drawings
Fig. 1 is a schematic structural view of a corrosion-resistant high-flame-retardant composite low-voltage power cable according to the present invention;
fig. 2 is a cross-sectional view of the corrosion-resistant high flame-retardant composite low-voltage power cable of the present invention.
The reference numerals are explained below:
1. a Teflon anticorrosive layer I; 2. a flame retardant layer; 3. a Teflon anticorrosive layer II; 4. a shielding layer; 5. an outer insulating layer; 6. a thermal insulation layer; 7. a non-hygroscopic filler; 8. an inner insulating layer; 9. a heat insulating protective layer; 10. an oxygen-free copper conductor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1-2, the corrosion-resistant high-flame-retardant composite low-voltage power cable in this embodiment includes a teflon anticorrosive layer 1, a shielding layer 4 and a heat insulating layer 6, the inner wall of the teflon anticorrosive layer 1 is provided with a flame-retardant layer 2, the inner wall of the flame-retardant layer 2 is provided with a teflon anticorrosive layer two 3, the inner wall of the teflon anticorrosive layer two 3 is provided with the shielding layer 4, the inner wall of the shielding layer 4 is provided with an outer insulating layer 5, the inner wall of the outer insulating layer 5 is provided with the heat insulating layer 6, and the heat insulating layer 6 is internally provided with a non-hygroscopic filler 7.
As shown in fig. 1-2, the teflon anticorrosive layer 1 and the teflon anticorrosive layer 3 are both made of teflon materials, the flame retardant layer 2 is made of high flame retardant polyolefin materials, the teflon anticorrosive layer 1 is coated on the surface of the flame retardant layer 2, the teflon anticorrosive layer 1 and the teflon anticorrosive layer 3 made of teflon materials have the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-adhesion and the like, have excellent electrical properties, are excellent insulating materials, can further improve the flame retardance and the high temperature resistance of the flame retardant layer 2 made of high flame retardant polyolefin materials, and the teflon anticorrosive layer 1 can also protect the surface of the flame retardant layer 2, so that the cable is more resistant to aging, and the cable has longer service life.
As shown in fig. 1-2, the flame retardant layer 2 is coated on the surface of the teflon anticorrosive layer two 3, the teflon anticorrosive layer two 3 is coated on the surface of the shielding layer 4, the shielding layer 4 is formed by twisting and weaving copper wires, the shielding layer 4 can shield electromagnetic interference outside the cable and electromagnetic emission of the circuit, the shielding layer 4 has better conductivity and can be used as protection grounding, the shielding layer 4 also has flame retardant property, and the flame retardant property of the cable can be further improved.
As shown in fig. 1-2, the shielding layer 4 is coated on the surface of the outer insulating layer 5, the outer insulating layer 5 is made of polyethylene material, the outer insulating layer 5 is coated on the surface of the heat insulating layer 6, the heat insulating layer 6 is made of polyolefin composite material, the outer insulating layer 5 made of polyethylene material has excellent insulating property, the heat insulating layer 6 made of polyolefin composite material can also play a role in flame retardance, so that the flame retardant property of the cable is further improved.
As shown in fig. 1-2, the non-hygroscopic filler 7 is formed by combining glass fiber and polypropylene tapes, an inner insulating layer 8 is arranged in the non-hygroscopic filler 7, the inner insulating layer 8 is made of polyethylene material, a heat insulation protective layer 9 is arranged in the inner insulating layer 8, the non-hygroscopic filler 7 has good moisture resistance, the influence of the cable on the insulativity due to the fact that the cable is affected by moisture can be prevented, and the non-hygroscopic filler is filled in the cable to enable the interior of the cable to be more solid, the structure to be more compact, and the electric core to be prevented from sliding.
As shown in fig. 1-2, an oxygen-free copper conductor 10 is disposed in the heat insulation protective layer 9, the inner insulating layer 8 is coated on the surface of the heat insulation protective layer 9, the heat insulation protective layer 9 is coated on the surface of the oxygen-free copper conductor 10, the heat insulation protective layer 9 is made of polyolefin composite material, the oxygen-free copper conductor 10 has low resistance and excellent conductivity, and is a good cable core material, the inner insulating layer 8 and the heat insulation protective layer 9 can protect the oxygen-free copper conductor 10, and the surface of the oxygen-free copper conductor 10 is insulated, so that the cable has better performance.
The specific implementation process of this embodiment is as follows: the flame-retardant layer 2 made of the high flame-retardant polyolefin material has excellent flame-retardant performance, the Teflon anticorrosive layers 1 and 3 made of the Teflon materials have the characteristics of high temperature resistance, low temperature resistance, corrosion resistance, weather resistance, non-sticking property and the like, have excellent electrical performance, are excellent insulating materials, and can further improve the flame-retardant and high-temperature-resistant performance of the flame-retardant layer 2 made of the high flame-retardant polyolefin material. And the Teflon anticorrosive layer I1 can also protect the surface of the flame-retardant layer 2, so that the cable has longer service life. The shielding layer 4 can shield electromagnetic interference outside the cable and electromagnetic emission of the circuit, the shielding layer 4 has good conductivity and can be used for protection grounding, the shielding layer 4 also has a flame-retardant characteristic, and the outer insulating layer 5 made of polyethylene material has excellent insulativity. The heat insulation layer 6 made of the polyolefin composite material can also play a role in flame retardance, so that the flame retardance and the flame retardance of the cable are further improved. The non-hygroscopic filler 7 has good moisture resistance, can prevent the cable from affecting insulativity due to dampness, and can be filled in the cable to ensure that the cable is more compact and the structure is more compact. The inner insulating layer 8 and the heat insulating protective layer 9 can protect the oxygen-free copper conductor 10 and insulate the surface of the oxygen-free copper conductor 10, so that the good conductivity of the oxygen-free copper conductor 10 can be exerted.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a compound low voltage power cable of corrosion-resistant high fire-retardant which characterized in that: including teflon anticorrosive coating one (1), shielding layer (4) and insulating layer (6), be provided with fire-retardant layer (2) on teflon anticorrosive coating one (1) inner wall, be provided with teflon anticorrosive coating two (3) on fire-retardant layer (2) inner wall, be provided with on teflon anticorrosive coating two (3) inner wall shielding layer (4), be provided with on shielding layer (4) inner wall outer insulating layer (5), be provided with on outer insulating layer (5) inner wall insulating layer (6), be provided with non-hygroscopicity filler (7) in insulating layer (6).
2. The corrosion-resistant high-flame-retardant composite low-voltage power cable according to claim 1, characterized in that: teflon anticorrosive coating one (1) and Teflon anticorrosive coating two (3) all adopt the Teflon material to make, fire-retardant layer (2) adopt the high fire-retardant polyolefin material to make, Teflon anticorrosive coating one (1) cladding is in fire-retardant layer (2) surface.
3. The corrosion-resistant high-flame-retardant composite low-voltage power cable according to claim 2, characterized in that: the flame retardant layer (2) is coated on the surface of the Teflon anticorrosive layer II (3), the Teflon anticorrosive layer II (3) is coated on the surface of the shielding layer (4), and the shielding layer (4) is formed by twisting and weaving copper wires.
4. The corrosion-resistant high-flame-retardant composite low-voltage power cable according to claim 3, characterized in that: the shielding layer (4) is coated on the surface of the outer insulating layer (5), the outer insulating layer (5) is made of polyethylene materials, the outer insulating layer (5) is coated on the surface of the heat insulating layer (6), and the heat insulating layer (6) is made of polyolefin composite materials.
5. The corrosion-resistant high-flame-retardant composite low-voltage power cable according to claim 4, characterized in that: the non-hygroscopic filler (7) is formed by combining glass fibers and polypropylene tapes, an inner insulating layer (8) is arranged in the non-hygroscopic filler (7), the inner insulating layer (8) is made of polyethylene materials, and a heat insulation protective layer (9) is arranged in the inner insulating layer (8).
6. The corrosion-resistant high-flame-retardant composite low-voltage power cable according to claim 5, characterized in that: an oxygen-free copper conductor (10) is arranged in the heat insulation protective layer (9), the inner insulating layer (8) covers the surface of the heat insulation protective layer (9), the heat insulation protective layer (9) covers the surface of the oxygen-free copper conductor (10), and the heat insulation protective layer (9) is made of polyolefin composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441073.5U CN211929110U (en) | 2020-03-30 | 2020-03-30 | Corrosion-resistant high-flame-retardant composite low-voltage power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020441073.5U CN211929110U (en) | 2020-03-30 | 2020-03-30 | Corrosion-resistant high-flame-retardant composite low-voltage power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211929110U true CN211929110U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020441073.5U Expired - Fee Related CN211929110U (en) | 2020-03-30 | 2020-03-30 | Corrosion-resistant high-flame-retardant composite low-voltage power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211929110U (en) |
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2020
- 2020-03-30 CN CN202020441073.5U patent/CN211929110U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 |
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| CF01 | Termination of patent right due to non-payment of annual fee |