CN201142245Y - Novel flame-proof fire resistant cable - Google Patents
Novel flame-proof fire resistant cable Download PDFInfo
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- CN201142245Y CN201142245Y CNU2008200304562U CN200820030456U CN201142245Y CN 201142245 Y CN201142245 Y CN 201142245Y CN U2008200304562 U CNU2008200304562 U CN U2008200304562U CN 200820030456 U CN200820030456 U CN 200820030456U CN 201142245 Y CN201142245 Y CN 201142245Y
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Abstract
The utility model relates to a novel anti-flaming and high-temperature resistant cable, which belongs to the cable technology field. The cable comprises single core insulating wire cores, a cable core intertwisted by a plurality of single core insulating wire cores and fillings, the single core insulating wire core is composed of a conductor and an anti-flaming and high temperature resistant polyvinyl chloride composite elastic body insulating layer extruded on the conductor, 2 to 5 single core insulating wire cores are intertwisted into the cable core, an anti-flaming belt layer is coiled outside the cable core, an antiflaming and high temperature resistant polyvinyl chloride composite elastic body inner protective layer is extruded on the antiflaming belt layer, an armor layer is coiled on the inner protective layer, and an anti-flaming and high temperature resistant polyvinyl chloride composite elastic body outer sheath layer is extruded on the armor layer. The high temperature resistant cable can be stably used under 135 DEG C and under the following temperature condition, thereby the production cost of the cable is greatly reduced, and the high temperature resistant cable has higher economic performance.
Description
Technical field
The utility model relates to a kind of novel flame-retardant high temperature-resistant cable that is applied to the electric power transfer of higher temperature region, belongs to the cable technology field.
Background technology
Because the development of industries such as modern power plant, metallurgy, mine, cement building material, its a lot of zones all are under 90～110 ℃ the higher ambient temperature situations, for using at this regional cable, it causes higher the reaching about 130 ℃ of conductor temperature of cable owing to self also produce heat in the transmission current process.Common polyvinyl chloride insulation power cable, can allow the conductor maximum operating temperature is 70 ℃; Power cable with cross-linked polyethylene insulation, can allow the conductor maximum operating temperature is 90 ℃, more than two kinds of cables all can't satisfy above-mentioned environment for use.Use the cable of fluoroplastics or silicon rubber insulation, its heat resistance can reach the instructions for use under the above-mentioned environmental condition, but because the poor mechanical properties of silicon rubber, very easily wearing and tearing, tear resistance is poor, influence to cable is bigger, cause the performance of cable stable inadequately, and the price of fluoroplastics and silicon rubber is all very high, the production cost of cable is bigger.
For the high temperature-resistant cable under this kind environmental condition, present general solution is the cable that adopts the fire-resisting cable replacement high temperature-resistant cable of flame retardant type or use fluoroplastics or silicon rubber insulation PVC sheath, as disclosed high temperature-resistant cables such as Chinese patents 94221521,92223066,00216500, it all is to use the fire-resistant mica layer of parcel on conductor, extrude interior insulation, outer jacket structure again, these cables are owing to used fire-resistant mica in a large number, its cost is higher, and, can't reach instructions for use because the serviceability temperature of the sheath material of cable is still lower.Disclosed Chinese patent 03221540 high temperature-resistant cable, it uses fluoroplastics or silicon rubber insulation, add glass fiber tape and do thermal insulation layer, do cable jacket with common PVC again, the high temperature-resistant cable of this structure is owing to used expensive fluoroplastics or silastic material, cable cost is still very high, and PVC cable cover(ing) serviceability temperature is also still lower, can only reach 70 ℃, also not too can satisfy the use under the higher temperature conditions.
Summary of the invention
The purpose of this utility model provides that a kind of production cost is low, economic performance is good, simple in structure, produce the cable that convenient, cable insulation and sheath all can satisfy higher ambient temperature conditions.
Technical solution of the present utility model is: a kind of novel flame-retardant high temperature-resistant cable, comprise single core insulation core, by the stranded cable core of some single core insulation cores, fill, it is characterized in that single core insulation core by conductor and on the flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body insulating barrier that extrudes constitute, single core insulation core of 2-5 root is twisted into cable core, the outer wrapped one fire-retardant belt of cable core, be extruded with flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body sheath on the fire-retardant belt, wrapped armour on the sheath extrudes flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body external sheath layer on the armour.
Conductor of the present utility model is copper or aluminium conductor, fills with dustless mineral wool rope or glass cord between each single core insulation core, makes cable core keep rounding, and the fire-retardant belt of cable core is a glass fiber tape, and armour is steel band/double-tape armor or wire armoring.
The utility model signal cable is simple in structure, and the selection science is economical and practical, function admirable, and the insulation of flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body or the protective cover material key property index of its use are:
1. hot strength is not less than 10MPa, and elongation at break is not less than 250%.
2. through 135 ± 2 ℃, after the ageing test of 168h, its hot strength is not less than 10MPa, and the hot strength rate of change is ± 20%; Elongation at break is not less than 250%, and the elongation at break rate of change is ± 20%.The heat ageing mass loss is not more than 25g/m.
3.200 ℃ the time heat-stable time be not less than 60min; The thermal change type is not more than 50%.
4. dielectric strength is not less than 20MV/m; The stretching relaxation shrinkage is not more than 150%.
5. the flammability oxygen index of material is not less than 28%.
6. specific insulation is not less than 1.0 * 10 20 of flame-resistant high-temperature-resistant composite elastic body Insulation Material ℃ the time
11Ω .m.
7. specific insulation is not less than 1.0 * 10 20 of flame-resistant high-temperature-resistant composite elastic body protective cover material ℃ the time
8Ω .m.
The utility model has adopted heatproof can reach 135 ℃ insulation of flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body or protective cover material, can make this novel fire resistant cable stable use under 135 ℃ and following temperature conditions, and this kind flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body insulate or protective cover material is cheap, therefore greatly reduce the production cost of the utility model cable, have the higher economical efficiency energy.
Description of drawings
Accompanying drawing is the structural representation of 3 core flame-resistant high-temperature-resistant cables of the present utility model.
Embodiment
On copper or aluminium conductor 1, extrude flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body insulating barrier 2 and constitute single core insulation core, then by two, three, four or five are thoroughly done away with the edge core and carry out stranded stranding composition cable core, between each single core insulation core, fill with dustless mineral wool rope or glass cord 3, a wrapped glass fiber flame retardant belt 4 outside cable core, on fire-retardant belt 4, extrude flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body sheath 5, wrapped armour 6 on sheath extrudes flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body external sheath layer 7 again on armour 6 then.
Claims (5)
1. novel flame-retardant high temperature-resistant cable, comprise single core insulation core, by stranded cable core, the filling of some single core insulation cores, it is characterized in that single core insulation core by conductor and on the flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body insulating barrier that extrudes constitute, single core insulation core of 2-5 root is twisted into cable core, the outer wrapped one fire-retardant belt of cable core, be extruded with flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body sheath on the fire-retardant belt, wrapped armour on the sheath extrudes flame-resistant high-temperature-resistant polyvinyl chloride composite elastic body external sheath layer on the armour.
2. novel flame-retardant high temperature-resistant cable according to claim 1 is characterized in that conductor is copper or aluminium conductor.
3. novel flame-retardant high temperature-resistant cable according to claim 1 is characterized in that being filled to dustless mineral wool rope or glass cord between each single core insulation core.
4. novel flame-retardant high temperature-resistant cable according to claim 1, the fire-retardant belt that it is characterized in that cable core is a glass fiber tape.
5. novel flame-retardant high temperature-resistant cable according to claim 1, the armour that it is characterized in that cable core is steel band/double-tape armor or wire armoring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304562U CN201142245Y (en) | 2008-01-07 | 2008-01-07 | Novel flame-proof fire resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200304562U CN201142245Y (en) | 2008-01-07 | 2008-01-07 | Novel flame-proof fire resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201142245Y true CN201142245Y (en) | 2008-10-29 |
Family
ID=40069955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200304562U Expired - Fee Related CN201142245Y (en) | 2008-01-07 | 2008-01-07 | Novel flame-proof fire resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201142245Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568677A (en) * | 2012-03-08 | 2012-07-11 | 无锡市富华电缆有限公司 | High temperature resistant cable |
| CN102751032A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Flame-retardant power cable with concentric conductors |
| CN103700433A (en) * | 2013-12-04 | 2014-04-02 | 江苏南瑞淮胜电缆有限公司 | Fire-resistant medium-voltage flexible cable |
| CN103903719A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Oil-resistant and waterproof self-temperature-controlling multi-core coaxial cable |
| CN103928091A (en) * | 2013-09-27 | 2014-07-16 | 安徽航天电缆集团有限公司 | High-temperature-resistant cable for computers and instruments |
| CN104575799A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Novel single-core cable |
| CN105761807A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
| CN106328298A (en) * | 2016-08-29 | 2017-01-11 | 苏州意华电工有限公司 | High and low temperature resistant communication cable |
| CN107134309A (en) * | 2017-06-22 | 2017-09-05 | 江苏华亚电缆有限公司 | High conductivity high flame resistance, low smoke halogen-free cable |
| CN108198652A (en) * | 2017-11-29 | 2018-06-22 | 江苏镇德电力设备有限公司 | A kind of polyvinyl chloride cable |
| CN113764126A (en) * | 2021-09-15 | 2021-12-07 | 安徽国信电缆科技股份有限公司 | Crosslinked polyethylene insulated polyvinyl chloride sheath solar photovoltaic cable |
-
2008
- 2008-01-07 CN CNU2008200304562U patent/CN201142245Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102568677A (en) * | 2012-03-08 | 2012-07-11 | 无锡市富华电缆有限公司 | High temperature resistant cable |
| CN102751032A (en) * | 2012-07-20 | 2012-10-24 | 安徽江淮电缆集团有限公司 | Flame-retardant power cable with concentric conductors |
| CN103928091A (en) * | 2013-09-27 | 2014-07-16 | 安徽航天电缆集团有限公司 | High-temperature-resistant cable for computers and instruments |
| CN104575799A (en) * | 2013-10-13 | 2015-04-29 | 宁夏海洋线缆有限公司 | Novel single-core cable |
| CN103700433A (en) * | 2013-12-04 | 2014-04-02 | 江苏南瑞淮胜电缆有限公司 | Fire-resistant medium-voltage flexible cable |
| CN103903719A (en) * | 2014-03-03 | 2014-07-02 | 安徽万博电缆材料有限公司 | Oil-resistant and waterproof self-temperature-controlling multi-core coaxial cable |
| CN105761807A (en) * | 2016-03-30 | 2016-07-13 | 安徽五洲特种电缆集团有限公司 | Flame-retardant power cable |
| CN106328298A (en) * | 2016-08-29 | 2017-01-11 | 苏州意华电工有限公司 | High and low temperature resistant communication cable |
| CN107134309A (en) * | 2017-06-22 | 2017-09-05 | 江苏华亚电缆有限公司 | High conductivity high flame resistance, low smoke halogen-free cable |
| CN108198652A (en) * | 2017-11-29 | 2018-06-22 | 江苏镇德电力设备有限公司 | A kind of polyvinyl chloride cable |
| CN113764126A (en) * | 2021-09-15 | 2021-12-07 | 安徽国信电缆科技股份有限公司 | Crosslinked polyethylene insulated polyvinyl chloride sheath solar photovoltaic cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20120107 |