CN202694917U - Novel multi-core fireproof cable with jacket - Google Patents
Novel multi-core fireproof cable with jacket Download PDFInfo
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- CN202694917U CN202694917U CN 201220353688 CN201220353688U CN202694917U CN 202694917 U CN202694917 U CN 202694917U CN 201220353688 CN201220353688 CN 201220353688 CN 201220353688 U CN201220353688 U CN 201220353688U CN 202694917 U CN202694917 U CN 202694917U
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Abstract
The utility model relates to a cable, in particular to a novel multi-core fireproof cable with a jacket. The novel multi-core fireproof cable with the jacket comprises a plurality of conductors, wherein a fire-resistant layer is arranged outside each conductor. The novel multi-core fireproof cable with the jacket is characterized in that a fire-resistant heat-insulation layer is sleeved outside each fire-resistant layer; fillers are arranged among the fire-resistant heat-insulation layers; a fireproof layer is arranged outside the fire-resistant heat-insulation layers; a cabling wrapping heat-insulation layer is sleeved between the fireproof layer and the fire-resistant heat-insulation layers; and a flame-retardant protection sleeve is arranged outside the fireproof layer. The novel multi-core fireproof cable with the jacket has the characteristics of high fireproof performance, convenience for installation, high bending performance, simple process, good fire-resistant and fire-retardant effect, and the like, and is cost-saving.
Description
Technical field
The utility model relates to a kind of cable, especially relates to a kind of band sheath Novel multi-core fireproof cable.
Background technology
As everyone knows, what present domestic high request fireproof cable adopted is the level and smooth copper sheath structural cable of magnesium oxide mineral insulation, it is the interpolation magnesium oxide technique by drawing then in the copper sheath that this cable adds what adopt man-hour, therefore the cable joint length is generally all shorter, only have 100 meters, and the bending property of cable is poor, and laying installation is very difficult.The easy moisture absorption of magnesium oxide, joint length is limited, is not suitable for mobile, vibration place.Simultaneously this structural cable project investment is very huge, and the cost recovery cycle is long, and the cable commercial value is high.In a word, adopt magnesium oxide as the mineral insulated cable of insulating material following weak point to be arranged: 1. cable processing percent defective is high, and production cost is high; 2. the easy moisture absorption of magnesium oxide, joint length is limited, is not suitable for mobile, vibration place; 3. bending property is poor, and laying installation is very difficult.
Summary of the invention
The utility model mainly is for the existing above-mentioned technical problem of prior art, a kind of easy moisture absorption of magnesium oxide in single core mineral insulated cable that efficiently solves is provided, the problems such as joint length is limited, can the identical fire-proof function of bonding core mineral insulated cable, can do again length and laying installation convenient, the band sheath Novel multi-core fireproof cable of good bending property.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of band sheath Novel multi-core fireproof cable, comprise many conductors, many conductors are equipped with flame retardant coating outward, it is characterized in that described flame retardant coating is arranged with refractory insulating layer outward, be provided with filler between the described refractory insulating layer, described refractory insulating layer is provided with fireprotection layer outward, be arranged with stranding band thermal insulation layer between described fireprotection layer and the refractory insulating layer, described fireprotection layer is arranged with fire-retardant overcoat outward.The utility model efficiently solves the easy moisture absorption of magnesium oxide in single core mineral insulated cable, the problems such as joint length is limited, can the identical fire-proof function of bonding core mineral insulated cable, can do again length and laying installation convenient, good bending property, be fit to mobile, the vibration place, investment is low again saves cost than mineral insulated cable, processing technology is simple, and by test, cable is under 950 ℃～1000 ℃ flame temperatures, burning 180min(is than long one times of common fire-resisting cable time), have very good fire-resistant and anti-flaming function, the rated voltage of energising cable during burning, neither one fuse or circuit breaker disconnect; Conductor is continuous, and namely bulb does not extinguish.
As preferably, described flame retardant coating is wrapped fire-resistant isinglass belt on conductor, and described refractory insulating layer is for adopting ceramic fireproof＝fire-proof composite band to make the composite fire thermal insulation layer.Twine fire-resistant isinglass belt as the insulating barrier of cable at copper conductor, and with ceramic fireproof＝fire-proof composite band as refractory insulating layer, effectively improved the heat insulation and flameproof effect of cable.
As preferably, described filler is the high-flame-resistance environment-friendly gasket for packing.The high-flame-resistance environment-friendly gasket for packing is adopted in the space, reduces air and improves the fire-retardant fireproof performance, has guaranteed the fire-proof and thermal-insulation effect of its multicore cable.
As preferably, described stranding band thermal insulation layer is ceramic fireproof＝fire-proof composite band.Adopt ceramic fireproof＝fire-proof composite band as the outer stranding band thermal insulation layer of cable core, the fire-proof and thermal-insulation effect is splendid.
As preferably, described fireprotection layer is the embossing copper sheath.Adopt the embossing copper sheath, not only prevent fires but also can Effective Raise cable bend performance.
As preferably, described fire-retardant overcoat adopts the low smoke, zero halogen polyolefin to extrude and makes, and described many conductors are three copper conductors.Has very good fire-resistant and anti-flaming function.
Therefore, the utlity model has the characteristics such as fire protecting performance is good, easy for installation, good bending property, processing technology is simple, fire resistant flame retardant is effective, saving cost.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
Shown in Figure of description 1, a kind of band sheath Novel multi-core fireproof cable, comprise three copper conductors 1, three copper conductors are equipped with flame retardant coating 2 outward, be arranged with refractory insulating layer 3 outside the flame retardant coating 2, be provided with filler 4 between the refractory insulating layer 3, the refractory insulating layer 3 outer fireprotection layers 6 that are provided with, be arranged with stranding band thermal insulation layer 5 between fireprotection layer 6 and the refractory insulating layer 3, be arranged with fire-retardant overcoat 7 outside the fireprotection layer 6.Flame retardant coating 2 is wrapped fire-resistant isinglass belt on conductor, and refractory insulating layer 3 is for adopting ceramic fireproof＝fire-proof composite band to make the composite fire thermal insulation layer.Filler 4 is the high-flame-resistance environment-friendly gasket for packing.Stranding band thermal insulation layer 5 is ceramic fireproof＝fire-proof composite band.Fireprotection layer 6 is the embossing copper sheath.Fire-retardant overcoat 7 adopts the low smoke, zero halogen polyolefin to extrude and makes.
Twine fire-resistant isinglass belt as the insulating barrier of cable at copper conductor, and with ceramic fireproof＝fire-proof composite band as the composite fire thermal insulation layer, improve the heat insulation and flameproof effect of cable, adopt the embossing copper sheath, raising fireproofing of cable and bending property.Multi-core cable forming, space adopt high-flame-resistance environment-friendly gasket for packing (reduce air and improve the fire-retardant fireproof performance), and again adopt ceramic fireproof＝fire-proof composite band as the outer stranding band thermal insulation layer of cable core, have guaranteed the fire-proof and thermal-insulation effect of its multicore cable.The power frequency dielectric strength of fire-resistant isinglass belt is 10MV/m under the normal temperature, specific insulation 〉=1.0 * 1010 Ω m; Ceramic fireproof＝fire-proof composite band power frequency dielectric strength is 36MV/mm, specific insulation 〉=1.0 * 1012 Ω m, but the highest heatproof reaches 3000 ℃; So the fusing point of copper be 1083 ℃ when its temperature is no more than 1000 ℃, most places be can because of the fusing or the burning not disintegrate, more can not propagate kindling material.The utility model performance is consistent with the normal cable property retention.Surpassing under 1000 ℃ of environment at flame, even after the fusing of outside copper sheath, the ceramic fireproof＝fire-proof composite band of the inside can expand rapidly, forms fine and close porous carbon layer, plays good refractory heat-insulating effect; The mica tape of guaranteeing the inside can be not damaged when vibration yet, guaranteed its insulating properties.Adopt said structure, when cable under flame environment, can be rapidly heat insulation, oxygen barrier, slow down the conduction of heat, effectively protected the core normal power supply.
Should be understood that this embodiment only is used for explanation the utility model and is not used in the scope of the present utility model that limits.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (6)
1. be with sheath Novel multi-core fireproof cable for one kind, comprise many conductors (1), many conductors are equipped with flame retardant coating (2) outward, it is characterized in that the outer refractory insulating layer (3) that is arranged with of described flame retardant coating (2), be provided with filler (4) between the described refractory insulating layer (3), the outer fireprotection layer (6) that is provided with of described refractory insulating layer (3), be arranged with stranding band thermal insulation layer (5) between described fireprotection layer (6) and the refractory insulating layer (3), the outer fire-retardant overcoat (7) that is arranged with of described fireprotection layer (6).
2. band sheath Novel multi-core fireproof cable according to claim 1, it is characterized in that described flame retardant coating (2) is wrapped fire-resistant isinglass belt on conductor, described refractory insulating layer (3) is for adopting ceramic fireproof＝fire-proof composite band to make the composite fire thermal insulation layer.
3. band sheath Novel multi-core fireproof cable according to claim 1 is characterized in that described filler (4) is the high-flame-resistance environment-friendly gasket for packing.
4. according to claim 1 and 2 or 3 described band sheath Novel multi-core fireproof cables, it is characterized in that described stranding band thermal insulation layer (5) is ceramic fireproof＝fire-proof composite band.
5. according to claim 1 and 2 or 3 described band sheath Novel multi-core fireproof cables, it is characterized in that described fireprotection layer (6) is the embossing copper sheath.
6. according to claim 1 and 2 or 3 described band sheath Novel multi-core fireproof cables, it is characterized in that described fire-retardant overcoat (7) adopts the low smoke, zero halogen polyolefin to extrude and makes, described many conductors are three copper conductors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353688 CN202694917U (en) | 2012-07-20 | 2012-07-20 | Novel multi-core fireproof cable with jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220353688 CN202694917U (en) | 2012-07-20 | 2012-07-20 | Novel multi-core fireproof cable with jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202694917U true CN202694917U (en) | 2013-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220353688 Expired - Fee Related CN202694917U (en) | 2012-07-20 | 2012-07-20 | Novel multi-core fireproof cable with jacket |
Country Status (1)
| Country | Link |
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| CN (1) | CN202694917U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198892A (en) * | 2013-04-25 | 2013-07-10 | 桂林国际电线电缆有限责任公司 | Novel composite flame-retardant cable |
| CN103903770A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Fireproof cable resistant to high temperature |
| CN103903795A (en) * | 2014-04-04 | 2014-07-02 | 江苏中辰电缆有限公司 | Fireproof power cable |
| CN104299710A (en) * | 2014-10-15 | 2015-01-21 | 兰州众邦电线电缆集团有限公司 | Flexible fireproof cable |
| CN104751968A (en) * | 2015-03-20 | 2015-07-01 | 特变电工(德阳)电缆股份有限公司 | Fireproof cable and manufacturing method thereof |
| CN110107747A (en) * | 2019-05-08 | 2019-08-09 | 盐城瑞华石油机械科技有限公司 | A kind of fire-resistance heat insulation high-pressure liquid conveying rubber pipe |
-
2012
- 2012-07-20 CN CN 201220353688 patent/CN202694917U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103198892A (en) * | 2013-04-25 | 2013-07-10 | 桂林国际电线电缆有限责任公司 | Novel composite flame-retardant cable |
| CN103903770A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Fireproof cable resistant to high temperature |
| CN103903795A (en) * | 2014-04-04 | 2014-07-02 | 江苏中辰电缆有限公司 | Fireproof power cable |
| CN104299710A (en) * | 2014-10-15 | 2015-01-21 | 兰州众邦电线电缆集团有限公司 | Flexible fireproof cable |
| CN104751968A (en) * | 2015-03-20 | 2015-07-01 | 特变电工(德阳)电缆股份有限公司 | Fireproof cable and manufacturing method thereof |
| CN110107747A (en) * | 2019-05-08 | 2019-08-09 | 盐城瑞华石油机械科技有限公司 | A kind of fire-resistance heat insulation high-pressure liquid conveying rubber pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG WANMA CO., LTD. Free format text: FORMER NAME: ZHEJIANG WANMA CABLE CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 311305 Ling'an Economic Development Zone, Zhejiang Province, South Ring Road, No. 88, No. Patentee after: ZHEJIANG WANMA CO., LTD. Address before: 311305 Ling'an Economic Development Zone, Zhejiang Province, South Ring Road, No. 88, No. Patentee before: Zhejiang Wanma Cable Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20160720 |