CN205122247U - High voltage power cable in fire -retardant multicore of super A class - Google Patents
High voltage power cable in fire -retardant multicore of super A class Download PDFInfo
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- CN205122247U CN205122247U CN201520954898.6U CN201520954898U CN205122247U CN 205122247 U CN205122247 U CN 205122247U CN 201520954898 U CN201520954898 U CN 201520954898U CN 205122247 U CN205122247 U CN 205122247U
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Abstract
The utility model discloses a high voltage power cable in fire -retardant multicore of super A class, including a plurality of sinle silks, the sinle silk external sheath has conductor shield, and the outer cladding of conductor shield has the insulating layer, and the outer cladding of insulating layer has insulation screen, and the outer cladding of insulation screen has the copper strips layer, wherein three angle symmetrical ligatures between a plurality of sinle silks, and the whole external sheath of a plurality of sinle silks has the even isolation layer of thickness, the outer cladding of isolation layer has first band layer, it has at a distance from the oxygen material to fill in the space between first band layer and the isolation layer, outside the first band layer there be at a distance from the oxygen layer cladding, be equipped with a plurality of evenly distributed's steel wire in the oxygen layer, and the cladding has second band layer outside separating the oxygen layer, the cladding has the inner sheath outside the second band layer, the outer cladding of inner sheath has the steel band layer, the cladding has the oversheath outside the steel band layer. The beneficial effect of the utility model: the utility model discloses can effectually keep apart combustible material with the oxygen in the outside air, prevent flame spread to reach higher flame retardant rating effect.
Description
Technical field
The utility model relates to flame retardant cable, specifically, relates to the fire-retardant multicore middle-high voltage power cable of a kind of super category-A.
Background technology
China's economic growth continuously and healthily, for cable products provides the huge market space, the temptation that Chinese market is strong, makes the world all sight be focused on Chinese market, in the decades that reform and opening-up is short, the huge production capacity that Chinese cable manufacturing industry is formed allows the world regard with special esteem.Along with the continuous expansion of the industry sizes such as China electric power industry, data communication industry, urban track traffic industry, car industry and shipbuilding, also will increase rapidly the demand of electric wire, following electric wire industry also has huge development potentiality, simultaneously also more and more higher to the requirement of cable, meet the demand in market, and the highest also fire-retardant with regard to category-A of existing market flame retardant rating, its fire resistance is still inadequate.
So, develop a kind of fire resistance higher than the fire-retardant cable of category-A, just become the problem that insider needs solution badly.
Utility model content
For the above-mentioned technical problem in correlation technique, the utility model proposes the fire-retardant multicore middle-high voltage power cable of a kind of super category-A, its fire resistance is higher than the category-A cable in market.
For realizing above-mentioned technical purpose, the technical solution of the utility model is achieved in that
The fire-retardant multi-core power cable of a kind of super category-A, comprise some cores, core external sheath has conductor shield, and conductor shield is coated with insulating barrier, and insulating barrier is coated with insulation screen, and insulation screen is coated with copper strips layer; Wherein triangular symmetrical colligation between some cores, and the overall external sheath of some cores has the uniform separator of thickness, separator is coated with the first belting layer, be filled with oxygen barrier material in space between first belting layer and separator, the first belting layer is coated with oxygen barrier layer, is provided with some equally distributed steel wires in oxygen barrier layer, and oxygen barrier layer is coated with the second belting layer, second belting layer is coated with inner sheath, and inner sheath is coated with steel belt layer, and steel belt layer is coated with oversheath.
Further, described core is copper conductor core.
Further, described insulating barrier is crosslinked polyethylene.
Further, described first belting layer and the second belting layer are low smoke and zero halogen band.
Further, described steel wire is non-magnetic stainless steel steel wire.
Further, described inner sheath and oversheath are low smoke and zero halogen sheath.
The beneficial effects of the utility model: the oxygen in combustible material and outside air can effectively be isolated by the utility model, stop propagation of flame, thus reach higher flame retardant rating effect, oversheath adopts orange low-smoke halogen-free flame-retardant sheath, thus the whole raw a large amount of toxic and harmful of cable partial birth, be conducive to environmental protection.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the fire-retardant multi-core power cable structural representation of super category-A according to the utility model embodiment.
In figure:
1, core; 2, conductor shield; 3, insulating barrier; 4, insulation screen; 5, copper strips layer; 6, separator; 7, oxygen barrier material; 8, the first belting layer; 9, oxygen barrier layer; 10, steel wire; 11, the second belting layer; 12, inner sheath; 13, steel belt layer; 14, oversheath.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of the utility model protection.
As shown in Figure 1, one according to the utility model embodiment surpasses the fire-retardant multicore middle-high voltage power cable of category-A, comprise some cores 1, core 1 external sheath has conductor shield 2, conductor shield 2 is coated with insulating barrier 3, insulating barrier 3 is coated with insulation screen 4, and insulation screen 4 is coated with copper strips layer 5; Wherein triangular symmetrical colligation between some cores 1, and the overall external sheath of some cores 1 has the uniform separator 6 of thickness, separator 6 is coated with the first belting layer 8, oxygen barrier material 7 is filled with in space between first belting layer 8 and separator 6, first belting layer 8 is coated with oxygen barrier layer 9, some equally distributed steel wires 10 are provided with in oxygen barrier layer 9, and oxygen barrier layer 9 is coated with the second belting layer 11, second belting layer 11 is coated with inner sheath 12, inner sheath 12 is coated with steel belt layer 13, and steel belt layer 13 is coated with oversheath 14.
Described core 1 is copper conductor core.
Described insulating barrier 3 is crosslinked polyethylene.
Described first belting layer 8 and the second belting layer 11 are low smoke and zero halogen band.
Described steel wire 10 is non-magnetic stainless steel steel wire.
Described inner sheath and oversheath are low smoke and zero halogen sheath.
Conveniently understand technique scheme of the present utility model, below by way of in concrete occupation mode, technique scheme of the present utility model is described in detail.
When specifically using, according to described in the utility model
The highest also fire-retardant with regard to category-A of existing market flame retardant rating, its nonmetallic substance capacity is 7L/m, flame temperature is 815 DEG C, and burning time is 40min, and charing is highly not more than 2.5m, and it is fire-retardant relative to category-A, the utility model can improve flame retardant rating, and its nonmetallic substance capacity is 14L/m, and flame temperature is 815 DEG C, burning time is 80min, and charing is highly not more than 1.0m.
Insulating barrier 3 adopts crosslinked polyetylene insulated coating conductor screen 2, first belting layer 8 to be coated with oxygen barrier layer 9, is effectively isolated by the oxygen in combustible material and outside air, stops propagation of flame, thus reaches higher flame retardant rating effect;
Oversheath 14 adopts orange low-smoke halogen-free flame-retardant sheath, thus the whole raw a large amount of toxic and harmful of cable partial birth, be conducive to environmental protection.
In sum, by means of technique scheme of the present utility model, oxygen in combustible material and outside air can effectively be isolated by the utility model, stop propagation of flame, thus reach higher flame retardant rating effect, oversheath adopts orange low-smoke halogen-free flame-retardant sheath, thus the whole raw a large amount of toxic and harmful of cable partial birth, be conducive to environmental protection.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. the fire-retardant multicore middle-high voltage power cable of super category-A, is characterized in that, comprise some cores, core external sheath has conductor shield, and conductor shield is coated with insulating barrier, and insulating barrier is coated with insulation screen, and insulation screen is coated with copper strips layer; Wherein triangular symmetrical colligation between some cores, and the overall external sheath of some cores has the uniform separator of thickness, separator is coated with the first belting layer, be filled with oxygen barrier material in space between first belting layer and separator, the first belting layer is coated with oxygen barrier layer, is provided with some equally distributed steel wires in oxygen barrier layer, and oxygen barrier layer is coated with the second belting layer, second belting layer is coated with inner sheath, and inner sheath is coated with steel belt layer, and steel belt layer is coated with oversheath.
2. the fire-retardant multicore middle-high voltage power cable of super category-A according to claim 1, is characterized in that, described core is copper conductor core.
3. the fire-retardant multicore middle-high voltage power cable of super category-A according to claim 1, is characterized in that, described insulating barrier is crosslinked polyethylene.
4. the fire-retardant multicore middle-high voltage power cable of super category-A according to claim 1, is characterized in that, described first belting layer and the second belting layer are low smoke and zero halogen band.
5. the fire-retardant multicore middle-high voltage power cable of super category-A according to claim 1, is characterized in that, described steel wire is non-magnetic stainless steel steel wire.
6. the fire-retardant multicore middle-high voltage power cable of super category-A according to claim 1, is characterized in that, described inner sheath and oversheath are low smoke and zero halogen sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954898.6U CN205122247U (en) | 2015-11-25 | 2015-11-25 | High voltage power cable in fire -retardant multicore of super A class |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520954898.6U CN205122247U (en) | 2015-11-25 | 2015-11-25 | High voltage power cable in fire -retardant multicore of super A class |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205122247U true CN205122247U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520954898.6U Expired - Fee Related CN205122247U (en) | 2015-11-25 | 2015-11-25 | High voltage power cable in fire -retardant multicore of super A class |
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| CN (1) | CN205122247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068277A (en) * | 2017-04-24 | 2017-08-18 | 成都新三电线厂 | Halogen-free and low-smoke flame-retardant polyolefin insulating environment-friendly cable |
-
2015
- 2015-11-25 CN CN201520954898.6U patent/CN205122247U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068277A (en) * | 2017-04-24 | 2017-08-18 | 成都新三电线厂 | Halogen-free and low-smoke flame-retardant polyolefin insulating environment-friendly cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180802 Address after: 239400 Anhui Mingguang City Economic Development Zone, west of Qingping mountain road, south of eight Ridge Lake, north of Jiashan Avenue, east of Fu Shan Road. Patentee after: Hua Yuan high-techs Cable Co.,Ltd. Address before: 102611 Banbidian village, Weishan Town, Daxing District, Beijing Patentee before: BEIJING HUAYUAN GAOKE 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: 20160330 Termination date: 20211125 |