CN104517670A - Copper-clad aluminum-core anti-flaming fire-resistant control cable - Google Patents
Copper-clad aluminum-core anti-flaming fire-resistant control cable Download PDFInfo
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- CN104517670A CN104517670A CN201410773923.0A CN201410773923A CN104517670A CN 104517670 A CN104517670 A CN 104517670A CN 201410773923 A CN201410773923 A CN 201410773923A CN 104517670 A CN104517670 A CN 104517670A
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- copper
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- fire
- control cable
- clad aluminum
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Abstract
The invention relates to a copper-clad aluminum-core anti-flaming fire-resistant control cable composed of a guide core bundle or multiple guide core bundles cabled. The copper-clad aluminum guide cores are extruded with fluorine 46 insulation layers and then covered with a silicone rubber fire-resistant layer in cabling manner. A copper wire shield layer sparsely winds the fire-resistant layer and is externally extruded with a halogen-free polyolefin inner sheath. A self-locking steel-tape armoring layer is arranged outside the inner sheath and further arranged inside a polyvinyl chloride outer sheath. A space between the cabled guide cores and the fire-resistant layer is filled with glass fibers. The control cable is good in fire-resistance and anti-flaming effect and can run above three hours in case of the fire, and owing to the guide cores being made of copper-clad aluminum material, mass copper resources are saved.
Description
Technical field
The present invention relates to field of cables, be specifically related to a kind of copper-covered aluminum-core flame-retardant fire-resistant control cable.
Background technology
Along with socio-economic development, the demand of cable is increasing, and industry competition is fierce, causes the high cost of electric wire.It is deficienter due to copper resource that core cable led by fine copper, is subject to the impact of international market, and heavier-weight, all more inconvenient in transport and site operation etc.The application quantity of electric wire increases rapidly on the other hand.People are from the heaviness lesson of electrical fire accident, and recognize that it is very important for keeping in the case of fire being in steady operational status in certain hour, fire-resisting cable was paid much attention in recent years, and increasing fire-resisting cable product comes out.For remaining in emergency circumstances long-play, adopt fire-resistant some higher material at present.Existing fire-resisting cable major part is leading direct wrapped flame retardant coating on core, and because cross-sectional area of conductor is little, wrapped technical requirement is higher.
Summary of the invention
The invention provides a kind of copper-covered aluminum-core flame-retardant fire-resistant control cable, the silicide that flame retardant coating adopts silicon rubber burning to generate has good insulation function, and silicide is not halogen-containing; The glass fiber of packed layer has fire resistance and increases the resistance to tension of cable.
For realizing above object, by the following technical solutions:
A kind of copper-covered aluminum-core flame-retardant fire-resistant control cable, lead core or multi beam by Dan Shu to lead core stranding and form, copper cover aluminum is led core and is extruded fluorine four or six insulating barrier, copper cover aluminum after extruding leads core stranding coated Si rubber flame retardant coating, flame retardant coating is dredged around shielding layer of copper wires outward, extrude halogen-free polyolefin inner sheath outside screen, inner sheath skin is self-locking steel-tape armouring layer, and outermost layer is polyvinyl chloride oversheath; Leading between core and flame retardant coating after described stranding is full of glass fiber.
Often bundle is led core and is made up of more than one or one copper clad aluminum conductor.
Beneficial effect of the present invention: packed layer adopts glass fiber, there is good flame-retarding characteristic, because insulating barrier adopts fluorine four or six and flame retardant coating to adopt silicide, there is good fire resistance, still more than 3 hours can be normally run under the high-temperature condition of breaking out of fire, and leading core adopts copper clad aluminum material to save a large amount of copper resource, adopts steel band self-locking manner to improve the pull resistance of copper-clad aluminium conductor cable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
As shown in the figure: 1, copper cover aluminum leads core; 2, insulating barrier; 3, flame retardant coating; 4, screen; 5, inner sheath; 6, armour; 7, oversheath; 8, glass fiber.
Embodiment
Embodiment
Below in conjunction with accompanying drawing, the present invention is described, as shown in the figure, embodiment copper cover aluminum cable used is led core by 3 bundles and is formed, copper cover aluminum is led core (1) and is extruded fluorine four or six insulating barrier (2), 3 bundles lead coated Si rubber flame retardant coating (3) after core stranding, and flame retardant coating (3) is dredged around shielding layer of copper wires (4) outward, extrudes halogen-free polyolefin inner sheath (5) outside screen (4), inner sheath (5) skin is self-locking steel-tape armouring layer (6), and outermost layer is polyvinyl chloride oversheath (7); Leading between core and flame retardant coating (3) after described stranding is full of glass fiber (8).
Claims (2)
1. a copper-covered aluminum-core flame-retardant fire-resistant control cable, lead core or multi beam by Dan Shu to lead core stranding and form, it is characterized in that, copper cover aluminum is led core (1) and is extruded fluorine four or six insulating barrier (2), copper cover aluminum after extruding leads core (1) stranding coated Si rubber flame retardant coating (3), and flame retardant coating (3) is dredged around shielding layer of copper wires (4) outward, extrudes halogen-free polyolefin inner sheath (5) outside screen (4), inner sheath (5) skin is self-locking steel-tape armouring layer (6), and outermost layer is polyvinyl chloride oversheath (7); Leading between core and flame retardant coating (3) after described stranding is full of glass fiber (8).
2. a kind of copper-covered aluminum-core flame-retardant fire-resistant control cable according to claim 1, is characterized in that, often bundle is led core and is made up of more than one or one copper clad aluminum conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773923.0A CN104517670A (en) | 2014-12-16 | 2014-12-16 | Copper-clad aluminum-core anti-flaming fire-resistant control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410773923.0A CN104517670A (en) | 2014-12-16 | 2014-12-16 | Copper-clad aluminum-core anti-flaming fire-resistant control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104517670A true CN104517670A (en) | 2015-04-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410773923.0A Pending CN104517670A (en) | 2014-12-16 | 2014-12-16 | Copper-clad aluminum-core anti-flaming fire-resistant control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104517670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464620A (en) * | 2017-09-05 | 2017-12-12 | 福建通宇电缆有限公司 | A kind of flame resistant cable |
| CN108922685A (en) * | 2018-07-18 | 2018-11-30 | 王迅 | A kind of flame retardant type power cable |
-
2014
- 2014-12-16 CN CN201410773923.0A patent/CN104517670A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464620A (en) * | 2017-09-05 | 2017-12-12 | 福建通宇电缆有限公司 | A kind of flame resistant cable |
| CN108922685A (en) * | 2018-07-18 | 2018-11-30 | 王迅 | A kind of flame retardant type power cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150415 |
|
| WD01 | Invention patent application deemed withdrawn after publication |