CN204303429U - A kind of flame retardant cable of improvement - Google Patents
A kind of flame retardant cable of improvement Download PDFInfo
- Publication number
- CN204303429U CN204303429U CN201420684699.3U CN201420684699U CN204303429U CN 204303429 U CN204303429 U CN 204303429U CN 201420684699 U CN201420684699 U CN 201420684699U CN 204303429 U CN204303429 U CN 204303429U
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- CN
- China
- Prior art keywords
- layer
- fire
- flame retardant
- retardant cable
- fireprotection layer
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Abstract
The purpose of this utility model is to provide a kind of flame retardant cable of improvement.The technical solution of the utility model is: on described conductor, the first fireprotection layer of wrapped two-layer mica tape composition forms fire-resistant core, crosslinked polyetylene insulated layer is extruded after two fire-resistant cores are stranded, mica tape of double-baging outside described insulating barrier forms the second fireprotection layer and forms fire prevention core, three stranded rear wrapped belting layers of fire prevention core, the screen layer adopting aluminium-plastic tape and copper wire establishment is set gradually outside described belting layer, restrictive coating, 3rd fireprotection layer, outer jacket, also be provided with between three described fire prevention cores and form fireproof board by glass magnesium plate, the independent fire protecting performance between core can be played, the present invention can make cable still can keep excellent insulating properties in high-temp combustion situation, can run continuously in thermal-flame.
Description
Technical field
The utility model relates to a kind of flame retardant cable of improvement.
Background technology
Along with socioeconomic development, cable consumption increases rapidly, electrical fire accident also occurs again and again, people are from the heaviness lesson of electrical fire accident, recognize at some important places gradually, as electric equipments in the circuits such as naval vessel, production platform, petroleum chemical enterprise, large-scale power station, large-scale command centre and skyscraper, underground structure, tunnel, subway, it is very important for keeping in the case of fire being in stable running status in certain hour.
Utility model content
The purpose of this utility model is to provide a kind of flame retardant cable of improvement, by arranging Double-layer flame-retardant structure, the fire retardancy of cable is promoted further, and protection conductor is not impaired, the defect described in customer service background technology.
The technical solution of the utility model is: the fire protection flame retarding cable of described a kind of improvement comprises conductor, first fireprotection layer, insulating barrier, second fireprotection layer, belting layer, screen layer, restrictive coating, 3rd fireprotection layer, outer jacket, fireproof board, described conductor outsourcing is provided with two-layer mica tape and forms the first fireprotection layer and form fire-resistant core, crosslinked polyetylene insulated layer is extruded after two fire-resistant cores are stranded, be provided with two-layer mica tape outside described insulating barrier and form the second fireprotection layer formation fire prevention core, three fire prevention cores are stranded outer is provided with belting layer afterwards, screen layer is disposed with outside described belting layer, restrictive coating, 3rd fireprotection layer, outer jacket, also fireproof board is provided with between three described fire prevention cores, form respective independently fire protection flame retarding structure.
Further, described conductor is copper cladding aluminum conductor.
Further, the material of described belting layer is polyurethane.
Further, the material of described screen layer is that aluminium-plastic tape and copper wire establishment are formed.
Further, the material of described fireproof board is glass magnesium plate.
Further, described outer jacket cover thickness is 3-8mm.
The beneficial effects of the utility model are: owing to have employed the fire proof construction of three stratus master tapes, fire resistance improves greatly, insulation effect is good, and be provided with fireproof board between fire prevention core, make to form separately independently flame retarding construction between each fire prevention core, fire protection flame retarding cable effectively can prevent the burning of flame, improves fireproofing of cable performance, extends cable service life.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the flame retardant cable of a kind of improvement of the present invention:
Wherein: 1, conductor 2, first fireprotection layer 3, insulating barrier
4, the second fireprotection layer 5, fireproof board 6, belting layer
7, screen layer 8, restrictive coating 9, the 3rd fireprotection layer
10, outer jacket
Detailed description of the invention
Below in conjunction with accompanying drawing, brief description is made to detailed description of the invention of the present utility model.
As Fig. 1, shown in, the flame retardant cable of described a kind of improvement comprises conductor 1, first fireprotection layer 2, insulating barrier 3, second fireprotection layer 4, belting layer 6, screen layer 7, restrictive coating 8, 3rd fireprotection layer 9, outer jacket 10, fireproof board 5, the outsourcing of described conductor 1 is provided with two-layer mica tape and forms the first fireprotection layer 2 and form fire-resistant core, crosslinked polyetylene insulated layer 3 is extruded after two fire-resistant cores are stranded, be provided with two-layer mica tape outside described insulating barrier 3 and form the second fireprotection layer 4 formation fire prevention core, three fire prevention cores are stranded outer is provided with belting layer 6 afterwards, screen layer 7 is disposed with outside described belting layer 6, restrictive coating 8, 3rd fireprotection layer 9, outer jacket 10, fireproof board 5 is also provided with between three described fire prevention cores, form respective independently fire protection flame retarding structure.
Further, described conductor 1 is copper cladding aluminum conductor.
Further, the material of described belting layer 6 is polyurethane.
Further, the material of described screen layer 7 is that aluminium-plastic tape and copper wire establishment are formed.
Further, the material of described fireproof board 5 is glass magnesium plate.
Further, it is 3-8mm that described outer jacket 8 overlaps thickness.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (6)
1. the flame retardant cable of an improvement, it is characterized in that: the fire protection flame retarding cable of described improvement comprises conductor, first fireprotection layer, insulating barrier, second fireprotection layer, belting layer, screen layer, restrictive coating, 3rd fireprotection layer, outer jacket, fireproof board, described conductor outsourcing is provided with two-layer mica tape and forms the first fireprotection layer and form fire-resistant core, crosslinked polyetylene insulated layer is extruded after two fire-resistant cores are stranded, be provided with two-layer mica tape outside described insulating barrier and form the second fireprotection layer formation fire prevention core, three fire prevention cores are stranded outer is provided with belting layer afterwards, screen layer is disposed with outside described belting layer, restrictive coating, 3rd fireprotection layer, outer jacket, also fireproof board is provided with between three described fire prevention cores, form respective independently fire protection flame retarding structure.
2. the flame retardant cable of a kind of improvement according to claim 1, is characterized in that: described conductor is copper cladding aluminum conductor.
3. the flame retardant cable of a kind of improvement according to claim 1, is characterized in that: the material of described belting layer is polyurethane.
4. the flame retardant cable of a kind of improvement according to claim 1, is characterized in that: the material of described screen layer is that aluminium-plastic tape and copper wire establishment are formed.
5. the flame retardant cable of a kind of improvement according to claim 1, is characterized in that: the material of described fireproof board is glass magnesium plate.
6. the flame retardant cable of a kind of improvement according to claim 1, is characterized in that: described outer jacket cover thickness is 3-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684699.3U CN204303429U (en) | 2014-11-14 | 2014-11-14 | A kind of flame retardant cable of improvement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420684699.3U CN204303429U (en) | 2014-11-14 | 2014-11-14 | A kind of flame retardant cable of improvement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204303429U true CN204303429U (en) | 2015-04-29 |
Family
ID=53108951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420684699.3U Expired - Fee Related CN204303429U (en) | 2014-11-14 | 2014-11-14 | A kind of flame retardant cable of improvement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204303429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524157A (en) * | 2018-11-14 | 2019-03-26 | 四川省川胜电缆有限公司 | A kind of soft minerals fireproof cable |
-
2014
- 2014-11-14 CN CN201420684699.3U patent/CN204303429U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109524157A (en) * | 2018-11-14 | 2019-03-26 | 四川省川胜电缆有限公司 | A kind of soft minerals fireproof cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151114 |
|
| EXPY | Termination of patent right or utility model |