CN201853512U - Composite flame-retardant cable - Google Patents
Composite flame-retardant cable Download PDFInfo
- Publication number
- CN201853512U CN201853512U CN2010205638251U CN201020563825U CN201853512U CN 201853512 U CN201853512 U CN 201853512U CN 2010205638251 U CN2010205638251 U CN 2010205638251U CN 201020563825 U CN201020563825 U CN 201020563825U CN 201853512 U CN201853512 U CN 201853512U
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- China
- Prior art keywords
- core
- flame retardant
- conductor
- cable
- retardant cable
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a composite flame-retardant cable in the field of cables, which comprises a cable core. The cable core includes at least one signal wire core and at least one pair of power wire cores, wherein each signal wire core is a conductor with an insulating layer extruded outside, and each power wire core is formed by stranding two conductors with insulating layers extruded outside. An outer conductor covering the outer surface of the cable core includes a composite aluminum strip layer and a tinned copper wire braided layer, wherein the composite aluminum strip layer is in a lapping structure, and the tinned copper wire braided layer covers the outer surface of the composite aluminum strip layer. An oxygen barrier covers the outer surface of the outer conductor, a sheath layer is arranged outside the oxygen barrier in a covering manner, and filling materials are arranged in peripheral gaps among the signal wire cores and the power wire cores in the outer conductor. The composite flame-retardant cable not only can normally transmit electric energy, but also can transmit control and communication signals, and has high-temperature resistant and flame-retardant functions.
Description
Technical field
The utility model relates to a kind of cable, particularly a kind of compound flame retardant cable.
Background technology
Along with the high speed development of economic construction and people's growth in the living standard, traditional cable can not satisfy the demands, and is particularly aspect the comprehensive and feature of environmental protection of cable, more and more higher to the requirement of cable.
The most of applicabilities of traditional cable are more single, and mostly are combustible material.In client's construction, produce multiple inconvenience during installation, because traditional cable is not accomplished the dual-purpose or many usefulness of a line, when installation, tend to cause manpower, waste of time; The solid granule that conventional wire cable produces after burning forms smog, reduces light transmittance, influences people's escape during breaking out of fire; Some material also contains halogen, and the pernicious gas that halogen burning back produces has very strong toxicity, the respiratory system of harm people; And smog and toxic gas are the key factors that hinders rescue and escape, causes casualties in the fire.
The utility model content
The purpose of this utility model is too single in order to solve cable feature of the prior art, and flame retardant effect is poor, and the burning back produces the problem of harmful gas, and a kind of compound flame retardant cable is provided, and makes it adapt to versatility, and good flame retardation effect.
The purpose of this utility model is achieved in that a kind of compound flame retardant cable, comprise cable core, described cable core comprises at least one signal core and at least one pair of power supply core, described signal core is for being extruded with the conductor of insulating barrier outward, described power supply core is two stranded forming of conductor that are extruded with insulating barrier outward, the cable core outer surface coats and is provided with outer conductor, described outer conductor comprises clad aluminum belt and tinned wird braid, described clad aluminum belt is wrapped structure, the tinned wird braid is coated on clad aluminum belt outer surface, the outer surface of outer conductor is coated with oxygen barrier layer, the oxygen barrier layer outsourcing covers and is equipped with restrictive coating, is provided with packing material in signal core and the power supply core circumferential play in the described outer conductor.
In the utility model, the signal core and the power supply core that are provided with make it can adapt to versatility, outer conductor by clad aluminum belt and tinned wird braid composition, make advantages of good shielding performance, the tinned wird braid can make the construction of cable stable, the oxygen barrier layer that the outer surface of outer conductor coats, when fire takes place, make that cable can be high temperature resistant, decompose the shell that the back produces oxygen barrier, play fire retardation, the packing material that is provided with in signal core and the power supply core circumferential play in the described outer conductor makes that the structure of cable is more stable.The utility model can also transmit control, communication signal except energy normal transmission electric energy, have high temperature resistant, fire-retardant function.
As improvement of the present utility model, insulating barrier can adopt polythene material to make, and can guarantee thin thickness, good insulation preformance and compressive resistance height, and the concentricity of described signal core and power supply core is not less than 95%, the outside diameter of cable is reduced, weight saving, production cost reduces.
Little for reaching the cable signal propagation loss, the purpose that characteristic impedance is stable, described power supply core is two stranded forming of conductor that are extruded with insulating barrier outward.
In order to make the shielding properties and the softness of cable all be guaranteed, described tinned wird braid count is not less than 85%.
Be the protective layer of generation oxygen barrier after the feasible classification at high temperature, and can not produce harmful gas, described oxygen barrier layer and restrictive coating all adopt the low smoke and zero halogen material to make.
For making the structure of cable more stable, outward appearance is rounding more, and described packing material is a glass cord, can also play fire prevention, fire-retardant purpose.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the another kind of structural representation of the utility model.
Wherein, 1 insulating barrier, 2 signal cores, 3 packing materials, 4 restrictive coatings, 5 oxygen barrier layers, 6 outer conductors, 7 power supply cores.
Embodiment
As shown in Figure 1, be a kind of compound flame retardant cable, comprise that four add the cable core of two structures, cable core is made up of four signal cores 2 and a pair of power supply core 7, signal core 2 is for being extruded with the conductor of insulating barrier 1 outward, power supply core 7 is that two conductors that are extruded with insulating barrier 1 outward are by stranded the forming of rational pitch proportioning, the concentricity of signal core 2 and power supply core 7 is not less than 95%, insulating barrier 1 adopts polythene material to make, the cable core outer surface coats and is provided with outer conductor 6, outer conductor 6 comprises clad aluminum belt and tinned wird braid, the clad aluminum belt is wrapped structure, the tinned wird braid is coated on clad aluminum belt outer surface, and tinned wird braid count is not less than 85%, and the outer surface of outer conductor 6 is coated with oxygen barrier layer 5, oxygen barrier layer 5 outsourcings cover and are equipped with restrictive coating 4, oxygen barrier layer 5 and restrictive coating 4 all adopt the low smoke and zero halogen material to make, in the outer conductor 6, be provided with packing material 3 in signal core 2 and power supply core 7 circumferential plays, packing material 3 is a glass cord.
As shown in Figure 2, be the compound flame retardant cable of another kind, comprise that three add the cable core of two structures, cable core is made up of three signal cores 2 and a pair of power supply core 7, signal core 2 is for being extruded with the conductor of insulating barrier 1 outward, power supply core 7 is that two conductors that are extruded with insulating barrier 1 outward are by stranded the forming of rational pitch proportioning, the concentricity of signal core 2 and power supply core 7 is not less than 95%, insulating barrier 1 adopts polythene material to make, the cable core outer surface coats and is provided with outer conductor 6, outer conductor 6 comprises clad aluminum belt and tinned wird braid, the clad aluminum belt is wrapped structure, the tinned wird braid is coated on clad aluminum belt outer surface, and tinned wird braid count is not less than 85%, and the outer surface of outer conductor 6 is coated with oxygen barrier layer 5, oxygen barrier layer 5 outsourcings cover and are equipped with restrictive coating 4, oxygen barrier layer 5 and restrictive coating 4 all adopt the low smoke and zero halogen material to make, in the outer conductor 6, be provided with packing material 3 in signal core 2 and power supply core 7 circumferential plays, packing material 3 is a glass cord.
The utility model is not limited to the foregoing description; those skilled in the art can also be on the basis departing from above-mentioned technological thought not; just can more be out of shape and revise technique scheme without performing creative labour, these distortion and revising all fall in the protection range of the present utility model.
Claims (7)
1. compound flame retardant cable, it is characterized in that, comprise cable core, described cable core comprises at least one signal core and at least one pair of power supply core, described signal core is made of the conductor that is extruded with insulating barrier outward, every pair of power supply core is two stranded forming of conductor that are extruded with insulating barrier outward, the cable core outer surface coats and is provided with outer conductor, described outer conductor comprises clad aluminum belt and tinned wird braid, described clad aluminum belt is wrapped structure, the tinned wird braid is coated on clad aluminum belt outer surface, the outer surface of outer conductor is coated with oxygen barrier layer, the oxygen barrier layer outsourcing covers and is equipped with restrictive coating, is provided with packing material in signal core and the power supply core circumferential play in the described outer conductor.
2. a kind of compound flame retardant cable according to claim 1 is characterized in that, described insulating barrier adopts polythene material to make.
3. a kind of compound flame retardant cable according to claim 1 and 2 is characterized in that, described power supply core is two stranded forming of conductor that are extruded with insulating barrier outward.
4. a kind of compound flame retardant cable according to claim 1 and 2 is characterized in that the concentricity of described signal core and power supply core is not less than 95%.
5. a kind of compound flame retardant cable according to claim 1 and 2 is characterized in that, described tinned wird braid count is not less than 85%.
6. a kind of compound flame retardant cable according to claim 1 and 2 is characterized in that described oxygen barrier layer and restrictive coating all adopt the low smoke and zero halogen material to make.
7. a kind of compound flame retardant cable according to claim 1 and 2 is characterized in that described packing material is a glass cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205638251U CN201853512U (en) | 2010-10-15 | 2010-10-15 | Composite flame-retardant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205638251U CN201853512U (en) | 2010-10-15 | 2010-10-15 | Composite flame-retardant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201853512U true CN201853512U (en) | 2011-06-01 |
Family
ID=44095898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205638251U Expired - Lifetime CN201853512U (en) | 2010-10-15 | 2010-10-15 | Composite flame-retardant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201853512U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217799A (en) * | 2014-08-27 | 2014-12-17 | 南京创贝高速传动机械有限公司 | Flexible composite cable and preparation method thereof |
-
2010
- 2010-10-15 CN CN2010205638251U patent/CN201853512U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104217799A (en) * | 2014-08-27 | 2014-12-17 | 南京创贝高速传动机械有限公司 | Flexible composite cable and preparation method thereof |
| CN104217799B (en) * | 2014-08-27 | 2016-10-26 | 南京创贝高速传动机械有限公司 | A kind of flexible compound cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |