CN203013357U - Low-smoke halogen-free five core fire-resisting cable - Google Patents
Low-smoke halogen-free five core fire-resisting cable Download PDFInfo
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- CN203013357U CN203013357U CN 201220502749 CN201220502749U CN203013357U CN 203013357 U CN203013357 U CN 203013357U CN 201220502749 CN201220502749 CN 201220502749 CN 201220502749 U CN201220502749 U CN 201220502749U CN 203013357 U CN203013357 U CN 203013357U
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Abstract
The utility model discloses a low-smoke halogen-free five core fire-resisting cable, comprising a cable core, an inner sheath and an outer sheath, wherein the cable core is formed by four surrounding cable cores and a central cable core, a first fire-resisting layer and a crosslinked polyethylene insulation layer are sequentially arranged outside each surrounding cable core and the central cable core, and the central cable core is surrounded by the four surrounding cable cores; and a second fire-resisting layer, the inner sheath and the outer sheath are sequentially arranged outside the surrounding cable cores, the inner sheath is a low-smoke halogen-free inner sheath made of low-smoke halogen-free flame-retardant cable materials, and the outer sheath is a low-smoke halogen-free outer sheath made of low-smoke halogen-free flame-retardant cable materials. The low-smoke halogen-free five core fire-resisting cable has advantages of high temperature resistance and flame resistance, does produce dense smoke when burning in fire accidents since the inner sheath and the outer sheath are made of low-smoke halogen-free flame-retardant cable materials, is low in smoke and is non-toxic, is harmless to human body, and can help people to escape, thereby the low-smoke halogen-free five core fire-resisting cable can be widely used in all application fields, especially in some places of dense population and important fireproofing occasions.
Description
Technical field
The utility model relates to a kind of cable, relates in particular to the fire-retardant and fire-resisting cable of a kind of crosslinked polyetylene insulated low-smoke halogen-free polyolefin sheath category-A.
Background technology
Development along with society, every field in life all needs to use cable, the fire-resistant requirement of particularly making the fire prevention system of the key positions such as service cable or electrical connection team of supply line cable used in subway, skyscraper, hospital etc. is higher, substantially all requires to use fire-resisting cable.At the fire-resisting cable that uses, common fire-resisting cable, low pressure fire-resisting cable, middle pressure fire-resisting cable etc. are arranged at present.
For example application number is CN99239664.6, publication number is that the Chinese patent " crosslinked polyetylene insulated kidney-shaped five core fireproof power cables " of CN2390263 discloses a kind of crosslinked polyetylene insulated kidney-shaped five core fireproof power cables, and it comprises conductor wire core, fire-resistant isinglass belt, XLPE insulating barrier, fire-retardant band, armouring tape and inner/outer sheath.It is characterized in that the skin of being close to conductor wire core has adopted the silicone powder mica wrapping tape as flame retardant coating, thereby strengthened the overload performance of cable insulation core, that cable really plays the effect of hot-face insulation under fire condition, but these crosslinked polyetylene insulated kidney-shaped five not environmental protection of core fireproof power cable, the cigarette that produces after cable fire is harmful, is unfavorable for that people escape.
The sizing material of the surrounding materials such as low-smoke halogen-free cable refers to not halogen-containing (F, Cl, Br, I, At), not leaded cadmium chromium mercury is made, and can not send toxic smog (as: hydrogen halides, carbon monoxide, carbon dioxide etc.) during burning.
The utility model content
In order to overcome defects, the utility model provides a kind of low smoke and zero halogen five core fire-resisting cables.The utility model has added the low smoke and zero halogen material, the cable fire performance is good, when this circuit runs into fire, except transmitting under the 0.6/1KV rated operational voltage electric power, also can guarantee the quality under the combustion case safe operation of certain hour, in the situation that 950-1000 celsius temperature flame combustion keeps safe operation 3 hours, so greatly improved the use coefficient of safety of fire-resisting cable, for the relief fire has won certain hour, and cost is low, coefficient of safety is high, harmless and environmental protection.
The utility model is realized by the following technical solutions:
A kind of low smoke and zero halogen five core fire-resisting cables, comprise cable core, inner sheath and oversheath, described cable core is comprised of around cable core and a center cable core four rhizospheres, it is characterized in that: every rhizosphere all is provided with the first flame retardant coating and crosslinked polyetylene insulated layer successively around the outside of cable core and center cable core, described four rhizospheres are centered around the surrounding of center cable core around cable core; The described outside around cable core is provided with the second flame retardant coating, inner sheath and oversheath successively, and described inner sheath is the low smoke and zero halogen inner sheath that fireproofing cable material without halide is made, and described oversheath is the low smoke and zero halogen oversheath that fireproofing cable material without halide is made.
Also comprise metal tape gear fire bed, described metal tape gear fire bed is arranged between inner sheath and oversheath.
Described metal tape gear fire bed is double-deck, and metal tape gear fire bed is the gear fire bed that stainless steel band is made.
Described metal tape gear fire bed is double-deck, and metal tape gear fire bed is the gear fire bed that copper strips is made.
Described four rhizospheres are provided with the packed layer I between cable core and center cable core, be provided with the packed layer II between cable core and the second flame retardant coating, and packed layer I and packed layer II are the packed layer that the dustless mineral wool rope of low smoke and zero halogen is made.
Described the first flame retardant coating and the second flame retardant coating are the flame retardant coating that two-layer mica tape is made.
Compared with prior art, advantage of the present utility model:
1, the utility model high temperature resistant, flame resistant not only, and inner sheath and oversheath all adopt the halogen-free low-smoke flame retardant material manufacturing, even burning in fire, cable can not produce thick smoke yet, LSZH, harmless to manpower, therefore be conducive to people's escape, can be widely used in all applications, particularly some densely populated and emphasis fire prevention place.
2, the utility model arranges metal tape gear fire bed between inner sheath and oversheath, and metal tape gear fire bed is stainless steel band gear fire bed or copper strips gear fire bed, and during cable fire, the gear fire bed can play heat insulation effect, can reduce flame and be delivered to heat on cable core; Simultaneously also can prevent from protecting outside when impaired, flame directly touches cable core, causes cable core to damage.
3, the utility model packed layer I and packed layer II are the packed layer that low smoke and zero halogen stone scar rope is made, cable burns in fire and also can not produce thick smoke, LSZH, harmless to manpower, be conducive to people's escape, therefore can be widely used in all applications, particularly some densely populated and emphasis fire prevention place.
Description of drawings
Fig. 1 is the utility model structural representation
Reference numeral: 1, center cable core, 2, around cable core, the 3, first flame retardant coating, 4, crosslinked polyetylene insulated layer, the 5, second flame retardant coating, 6, inner sheath, 7, oversheath, 8, metal tape gear fire bed.
Embodiment
Embodiment is described in further detail the utility model below in conjunction with accompanying drawing.
Embodiment 1:
As shown in the figure, a kind of low smoke and zero halogen five core fire-resisting cables, comprise cable core, inner sheath 6 and oversheath 7, described cable core is comprised of around cable core 2 and a center cable core 1 four rhizospheres, every rhizosphere all is provided with the first flame retardant coating 3 and crosslinked polyetylene insulated layer 4 successively around the outside of cable core 2 and center cable core 1, described four rhizospheres are centered around the surrounding of center cable core 1 around cable core 2; The described outside around cable core 2 is provided with the second flame retardant coating 5, inner sheath 6 and oversheath 7 successively, the low smoke and zero halogen inner sheath that described inner sheath 6 is made for fireproofing cable material without halide, the low smoke and zero halogen oversheath that described oversheath 7 is made for fireproofing cable material without halide.
Also comprise metal tape gear fire bed 8, described metal tape gear fire bed 8 is arranged between inner sheath 6 and oversheath 7.
Described metal tape gear fire bed 8 is double-deck, the gear fire bed that metal tape gear fire bed 8 is made for stainless steel band.
Described four rhizospheres are provided with the packed layer I between cable core 2 and center cable core 1, be provided with the packed layer II between cable core 2 and the second flame retardant coating 5, and packed layer I and packed layer II are the packed layer that low smoke and zero halogen stone scar rope is made.
Described the first flame retardant coating 3 and the second flame retardant coating 5 are the flame retardant coating that two-layer mica tape is made.
Embodiment 2:
Be with the difference of implementing 1: described metal tape gear fire bed 8 is for double-deck, and metal tape keeps off the gear fire bed that fire bed 8 is made for copper strips.
Claims (6)
1. low smoke and zero halogen five core fire-resisting cables, comprise cable core, inner sheath (6) and oversheath (7), described cable core is comprised of around cable core (2) and a center cable core (1) four rhizospheres, it is characterized in that: every rhizosphere all is provided with the first flame retardant coating (3) and crosslinked polyetylene insulated layer (4) successively around the outside of cable core (2) and center cable core (1), described four rhizospheres are centered around the surrounding of center cable core (1) around cable core (2); The described outside around cable core (2) is provided with the second flame retardant coating (5), inner sheath (6) and oversheath (7) successively, the low smoke and zero halogen inner sheath that described inner sheath (6) is made for fireproofing cable material without halide, the low smoke and zero halogen oversheath that described oversheath (7) is made for fireproofing cable material without halide.
2. a kind of low smoke and zero halogen five core fire-resisting cables according to claim 1 is characterized in that: also comprise metal tape gear fire bed (8), described metal tape gear fire bed (8) is arranged between inner sheath (6) and oversheath (7).
3. a kind of low smoke and zero halogen five core fire-resisting cables according to claim 2, is characterized in that described metal tape gear fire bed (8) for double-deck, and metal tape gear fire bed is the gear fire bed that stainless steel band is made.
4. a kind of low smoke and zero halogen five core fire-resisting cables according to claim 2, is characterized in that described metal tape gear fire bed (8) for double-deck, and metal tape gear fire bed is the gear fire bed that copper strips is made.
5. a kind of low smoke and zero halogen five core fire-resisting cables according to claim 1, it is characterized in that described four rhizospheres are provided with the packed layer I between cable core (2) and center cable core (1), be provided with the packed layer II between cable core (2) and the second flame retardant coating (5), packed layer I and packed layer II are the packed layer that low smoke and zero halogen stone scar rope is made.
6. a kind of low smoke and zero halogen five core fire-resisting cables according to claim 1, is characterized in that described the first flame retardant coating (3) and the second flame retardant coating (5) are the flame retardant coating that two-layer mica tape is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502749 CN203013357U (en) | 2012-09-27 | 2012-09-27 | Low-smoke halogen-free five core fire-resisting cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502749 CN203013357U (en) | 2012-09-27 | 2012-09-27 | Low-smoke halogen-free five core fire-resisting cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013357U true CN203013357U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502749 Expired - Fee Related CN203013357U (en) | 2012-09-27 | 2012-09-27 | Low-smoke halogen-free five core fire-resisting cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409416A (en) * | 2016-10-25 | 2017-02-15 | 杭州知加网络科技有限公司 | High-flame retardancy fire-resistance low-smoke halogen-free cable wire and manufacturing process thereof |
-
2012
- 2012-09-27 CN CN 201220502749 patent/CN203013357U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409416A (en) * | 2016-10-25 | 2017-02-15 | 杭州知加网络科技有限公司 | High-flame retardancy fire-resistance low-smoke halogen-free cable wire and manufacturing process thereof |
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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: 20130619 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |