CN209962767U - Copper core polyethylene insulation flame-retardant power cable - Google Patents
Copper core polyethylene insulation flame-retardant power cable Download PDFInfo
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- CN209962767U CN209962767U CN201921074707.1U CN201921074707U CN209962767U CN 209962767 U CN209962767 U CN 209962767U CN 201921074707 U CN201921074707 U CN 201921074707U CN 209962767 U CN209962767 U CN 209962767U
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Abstract
The utility model provides a copper core polyethylene insulation flame retardant power cable relates to a wire and cable technical field. The utility model discloses an be in including cable body and setting this internal copper core of cable, the cable body includes by interior conductor shield, the first insulation layer that sets gradually outside, first fire-resistant insulating layer, first armor, second insulating layer, second armor and the high temperature resistant coating. The utility model has simple structure, can greatly reduce short circuit and reduce disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
Description
Technical Field
The utility model relates to a wire and cable technical field especially relates to a copper core polyethylene insulation flame retardant power cable.
Background
Disasters brought to human by fire disasters are disastrous, loss is huge, and fire disaster loss is in an ascending trend along with economic development and urban construction development, so that great attention is paid to fire prevention and control at home and abroad. The cable is used as one of important generating sources and spreading sources of fire disasters, and when the cable is burnt, personnel die due to the generation of a large amount of toxic and harmful gases, equipment is damaged, and the personnel cannot evacuate timely due to serious smoke, so that disasters are affected more and more seriously.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the problems, the utility model provides a copper core polyethylene insulation flame-retardant power cable, which has simple structure, can greatly reduce short circuit and reduce disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
In order to solve the problem, the utility model provides an insulating fire-retardant power cable of copper core polyethylene, wherein, be in including cable body and setting this internal copper core of cable, the cable body includes by interior conductor shield, the first insulation layer that sets gradually outside, first fire-resistant insulating layer, first armor, second insulating layer, second armor and the high temperature resistant coating.
Preferably, the copper core is coated with a second fire-resistant heat insulation layer and an insulation shielding layer, the copper core is coated with the fire-resistant heat insulation layer, and the insulation shielding layer is coated with the fire-resistant heat insulation layer.
Preferably, the second insulating layer is filled with an insulating fire-retardant filler.
Preferably, the first armor layer and the second armor layer are both formed by longitudinally wrapping nonmagnetic stainless steel strips with sub-arc welding lines.
Preferably, the first fire-resistant heat-insulating layer and the second fire-resistant heat-insulating layer are formed by extruding low-smoke halogen-free flame-retardant polyolefin.
Preferably, the conductor shield layer is formed by extruding a semiconductive shield material.
Preferably, the insulation shielding layer is formed by extruding a cross-linking type semi-conductive shielding material.
Preferably, the high-temperature-resistant coating is a heat-resistant silicon nitrogen glue coating.
Preferably, the first insulating layer and the second insulating layer are both polyethylene insulating layers.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model has simple structure, can greatly reduce short circuit and reduce disaster; secondly, the fire resistance of the product is effectively improved, the fire-proof grade of the product is improved, and the application range of the product is expanded.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.
As shown in fig. 1, the embodiment of the present invention includes a cable body and a copper core 1 disposed in the cable body, the cable body includes a conductor shielding layer 2, a first insulating layer 3, a first fire-resistant insulating layer 4, a first armor layer 5, a second insulating layer 7, a second armor layer 8 and a high temperature resistant coating 6 disposed in sequence from inside to outside.
The copper core 1 is coated with a second fire-resistant heat insulation layer and an insulation shielding layer, the fire-resistant heat insulation layer is coated on the copper core 1, and the insulation shielding layer is coated on the fire-resistant heat insulation layer.
The second insulating layer 7 is filled with an insulating fire-resistant filler.
The first armor layer 5 and the second armor layer 8 are both formed by longitudinally wrapping nonmagnetic stainless steel strips with sub-arc welding lines.
The first fire-resistant heat-insulating layer 4 and the second fire-resistant heat-insulating layer are formed by extruding low-smoke halogen-free flame-retardant polyolefin.
The conductor shielding layer 2 is formed by extruding a semi-conductive shielding material.
The insulation shielding layer is formed by extruding and wrapping a cross-linking type semi-conductive shielding material.
The high-temperature resistant coating 6 is a heat-resistant silicon nitrogen glue coating.
The first insulating layer 3 and the second insulating layer 7 are both polyethylene insulating layers.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a fire-retardant power cable of copper core polyethylene insulation, its characterized in that includes the cable body and sets up this internal copper core of cable, the cable body includes by interior conductor shield, first insulating layer, first fire-resistant insulating layer, first armor, second insulating layer, second armor and the high temperature resistant coating that sets gradually outside.
2. The copper-core polyethylene insulated flame-retardant power cable according to claim 1, wherein the copper core is coated with a second fire-resistant heat-insulating layer and an insulating shield layer, the fire-resistant heat-insulating layer is coated on the copper core, and the insulating shield layer is coated on the fire-resistant heat-insulating layer.
3. The copper-core polyethylene insulated flame-retardant power cable according to claim 2, characterized in that the second insulating layer is filled with an insulating fire-retardant filler.
4. The copper-core polyethylene insulated flame-retardant power cable according to claim 3, wherein the first armor layer and the second armor layer are both made of non-magnetic stainless steel strip longitudinally wrapped sub-arc welding embossments.
5. The copper-core polyethylene insulated flame-retardant power cable according to claim 4, wherein the first and second fire-resistant and heat-insulating layers are formed by extruding low-smoke halogen-free flame-retardant polyolefin.
6. The copper-core polyethylene insulated flame retardant power cable of claim 5 wherein the conductor shield layer is comprised of an extrusion of a semiconductive shield material.
7. The copper-core polyethylene insulated flame-retardant power cable according to claim 6, wherein the insulation shielding layer is formed by extruding a cross-linked semiconductive shielding material.
8. The copper-core polyethylene insulated flame-retardant power cable according to claim 7, wherein the high-temperature resistant coating is a heat-resistant silicon-nitrogen glue coating.
9. The copper-core polyethylene insulated flame retardant power cable of claim 8 wherein the first and second insulating layers are both polyethylene insulating layers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074707.1U CN209962767U (en) | 2019-07-10 | 2019-07-10 | Copper core polyethylene insulation flame-retardant power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921074707.1U CN209962767U (en) | 2019-07-10 | 2019-07-10 | Copper core polyethylene insulation flame-retardant power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209962767U true CN209962767U (en) | 2020-01-17 |
Family
ID=69248403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921074707.1U Active CN209962767U (en) | 2019-07-10 | 2019-07-10 | Copper core polyethylene insulation flame-retardant power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209962767U (en) |
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2019
- 2019-07-10 CN CN201921074707.1U patent/CN209962767U/en active Active
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