CN202855416U - Fire-resistant shield flexible cable used for communication power supply - Google Patents
Fire-resistant shield flexible cable used for communication power supply Download PDFInfo
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- CN202855416U CN202855416U CN 201220365634 CN201220365634U CN202855416U CN 202855416 U CN202855416 U CN 202855416U CN 201220365634 CN201220365634 CN 201220365634 CN 201220365634 U CN201220365634 U CN 201220365634U CN 202855416 U CN202855416 U CN 202855416U
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Abstract
The utility model discloses a fire-resistant shield flexible cable used for a communication power supply. The fire-resistant shield flexible cable comprises a round cable core used as a protection zero line, three first tile-shaped cable cores used as phase lines and a second tile-shaped cable core used a zero line. A sectional area of the first tile-shaped cable core is larger than a sectional area of the second tile-shaped cable core. Outer surfaces of the round cable core, the first tile-shaped cable cores, and the second tile-shaped cable core are all provided with fire-resistant layers. First polyvinyl chloride layers are disposed outside outer surfaces of the fire-resistant layers. A second polyvinyl chloride layer used as an oversheath is disposed outside an outer surface of a shielding layer. The fire-resistant shield flexible cable uses tile-shaped structure conductors to reduce an outer diameter of the cable, combination is more compact, gap is very small, fillers are not needed, thereby improving heat dissipating performance and greatly improving fire-resistant performance of the cable.
Description
Technical field
The utility model relates to a kind of communication power supply field of cables, is specifically related to a kind of communication power supply fire-resistant shield flexible cable.
Background technology
The performances such as the communication power supply flexible cable is a kind of power devices connecting line for communication machine rooms such as movement, telecommunications, Netcoms, and product requirement is soft, fire-retardant.To the attention of environmental protection, all trades and professions all require product to have the performance of environmental protection along with in the world.Five conventional core flexible cables extrude with round conductor mainly that polyvinyl chloride is stranded to be formed, and for guaranteeing the roundness of cable, the cable core domestic demand is added more filling member, cause the finished cable external diameter larger, poor radiation, cable laying take up room greatly, and the manufacturing cost of cable also increases.
Summary of the invention
The utility model purpose provides a kind of communication power supply fire-resistant shield flexible cable, this fire-resistant shield flexible cable adopts watt shape structure conductor so that outside diameter of cable size decreases, and in conjunction with tighter, the gap is also very little, need not to use inserts, thereby improved heat dispersion; And greatly improved the fire resistance of cable.
For achieving the above object, the technical solution adopted in the utility model is: a kind of communication power supply fire-resistant shield flexible cable, comprise: circular cable core as the protection zero line, be positioned at three first watt of shape cable core and second watt of shape cable core as zero line as phase line around the circular cable core, described circular cable core, first watt of shape cable core and second watt of shape cable core form by some bare copper wires are stranded; The sectional area of described first watt of shape cable core is greater than the sectional area of described second watt of shape cable core;
Described circular cable core, first watt of shape cable core and second watt of shape cable core outer surface all are coated with flame retardant coating, and described flame retardant coating comprises mica tape, and these mica tape both sides all are covered with glass-fiber-fabric by the silicon resin adhesive layer;
Described circular cable core, first watt of shape cable core and second watt of shape cable core flame retardant coating outer surface separately all are coated with the first polyvinyl chloride layer;
One belting layer is wrapped in described the first polyvinyl chloride layer outer surface;
One screen is coated on described belting layer outer surface, and this screen is formed by the proof copper-wire braided of some 0.2mm, and its count is greater than 80%;
One the second polyvinyl chloride layer as oversheath is coated on described screen outer surface, and average thickness is 1.6mm.
It is as follows further to improve technical scheme in the technique scheme:
1, in the such scheme, described circular cable core and first watt of stranded forming of bare copper wire that the shape cable core is 0.401mm by 119 diameters respectively, stranded the forming of bare copper wire that described second watt of shape cable core is 0.401mm by 75 diameters.
2, in the such scheme, the area of section of described first watt of shape cable core is 16mm
2, the area of section of described second watt of shape cable core is 10mm
2, the area of section of described circular cable core is 16mm
2
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
The utility model communication power supply fire-resistant shield flexible cable adopts watt shape structure conductor so that outside diameter of cable size decreases, and in conjunction with tighter, the gap is also very little, need not to use inserts, thereby has improved heat dispersion; Secondly, described circular cable core and a watt shape cable core outer surface all are coated with flame retardant coating, and described flame retardant coating comprises mica tape, and these mica tape both sides all are covered with glass-fiber-fabric by the silicon resin adhesive layer, have greatly improved the fire resistance of cable.
Description of drawings
In the above accompanying drawing: 1, circular cable core; 2, first watt of shape cable core; 3, bare copper wire; 4, flame retardant coating; 41, mica tape; 42, silicon resin adhesive layer; 43, glass-fiber-fabric; 5, the first polyvinyl chloride layer; 6, belting layer; 7, screen; 8, copper wire; 9, the second polyvinyl chloride layer; 10, second watt of shape cable core.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: a kind of communication power supply fire-resistant shield flexible cable, comprise: circular cable core 1 as the protection zero line, be positioned at three first watt of shape cable core 2 and second watt of shape cable core 10 as zero line as phase line around the circular cable core 1, described circular cable core 1, first watt of shape cable core 2 and second watt of shape cable core 10 are by some bare copper wire 3 stranded forming; The sectional area of described first watt of shape cable core 2 is greater than the sectional area of described second watt of shape cable core 10;
Described circular cable core 1, first watt of shape cable core 2 and second watt of shape cable core 10 outer surface all are coated with flame retardant coating 4, and described flame retardant coating 4 comprises mica tape 41, and these mica tape 41 both sides all are covered with glass-fiber-fabric 43 by silicon resin adhesive layer 42;
Described circular cable core 1, first watt of shape cable core 2 and second watt of shape cable core 10 flame retardant coating 4 outer surfaces separately all are coated with the first polyvinyl chloride layer 5;
One belting layer 6 is wrapped in described the first polyvinyl chloride layer 5 outer surfaces;
One screen 7 is coated on described belting layer 6 outer surfaces, and this screen 7 is formed by copper wire 8 braidings of some 0.2mm, and its count is greater than 80%;
One the second polyvinyl chloride layer 9 as oversheath is coated on described screen 7 outer surfaces, and average thickness is 1.6mm.
Above-mentioned circular cable core 1 and first watt of bare copper wire 3 stranded forming that shape cable core 2 is 0.401mm by 119 diameters respectively, bare copper wire 3 stranded the forming that described second watt of shape cable core 10 is 0.401mm by 75 diameters.
The area of section of above-mentioned first watt of shape cable core 2 is 16mm
2, the area of section of described second watt of shape cable core 10 is 10mm
2, the area of section of described circular cable core 1 is 16mm
2
When adopting above-mentioned communication power supply with the fire-resistant shield flexible cable, adopt watt shape structure conductor so that outside diameter of cable size decreases, in conjunction with tighter, the gap is also very little, need not to use inserts, thereby has improved heat dispersion; Secondly, described circular cable core and a watt shape cable core outer surface all are coated with flame retardant coating, and described flame retardant coating comprises mica tape, and these mica tape both sides all are covered with glass-fiber-fabric by the silicon resin adhesive layer, have greatly improved the fire resistance of cable.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, and all should be encompassed within the protection range of the present utility model.
Claims (3)
1. communication power supply fire-resistant shield flexible cable, it is characterized in that: comprising: one as the protection zero line circular cable core (1), be positioned at circular cable core (1) three first watt of shape cable core (2) and second watt of shape cable core (10) as zero line as phase line all around, described circular cable core (1), first watt of shape cable core (2) and second watt of shape cable core (10) are by stranded the forming of some bare copper wires (3); The sectional area of described first watt of shape cable core (2) is greater than the sectional area of described second watt of shape cable core (10);
Described circular cable core (1), first watt of shape cable core (2) and second watt of shape cable core (10) outer surface all are coated with flame retardant coating (4), described flame retardant coating (4) comprises mica tape (41), and this mica tape (41) both sides all are covered with glass-fiber-fabric (43) by silicon resin adhesive layer (42);
Described circular cable core (1), first watt of shape cable core (2) and second watt of shape cable core (10) flame retardant coating (4) outer surface separately all is coated with the first polyvinyl chloride layer (5);
One belting layer (6) is wrapped in described the first polyvinyl chloride layer (5) outer surface;
One screen (7) is coated on described belting layer (6) outer surface, and this screen (7) is formed by copper wire (8) braiding of some 0.2mm, and its count is greater than 80%;
One the second polyvinyl chloride layer (9) as oversheath is coated on described screen (7) outer surface, and average thickness is 1.6mm.
2. fire-resistant shield flexible cable according to claim 1, it is characterized in that: stranded the forming of bare copper wire (3) that described circular cable core (1) and first watt of shape cable core (2) are 0.401mm by 119 diameters respectively, stranded the forming of bare copper wire (3) that described second watt of shape cable core (10) is 0.401mm by 75 diameters.
3. fire-resistant shield flexible cable according to claim 1, it is characterized in that: the area of section of described first watt of shape cable core (2) is 16mm
2, the area of section of described second watt of shape cable core (10) is 10mm
2, the area of section of described circular cable core (1) is 16mm
2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220365634 CN202855416U (en) | 2012-07-26 | 2012-07-26 | Fire-resistant shield flexible cable used for communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220365634 CN202855416U (en) | 2012-07-26 | 2012-07-26 | Fire-resistant shield flexible cable used for communication power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855416U true CN202855416U (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220365634 Expired - Fee Related CN202855416U (en) | 2012-07-26 | 2012-07-26 | Fire-resistant shield flexible cable used for communication power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855416U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616747A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | High-toughness flexible power cable for communication base station |
| CN104795136A (en) * | 2015-01-12 | 2015-07-22 | 江苏亨通线缆科技有限公司 | High-flame-retardance power cable for supplying power for telecommunication equipment |
| CN106024184A (en) * | 2016-08-12 | 2016-10-12 | 河南开启电力实业有限公司 | Halogen-free low-smoke flame-retardant power cable |
| CN106084427A (en) * | 2016-08-12 | 2016-11-09 | 江苏亨通线缆科技有限公司 | A kind of fire resistant flame retardant track traffic communication cable |
-
2012
- 2012-07-26 CN CN 201220365634 patent/CN202855416U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616747A (en) * | 2015-01-12 | 2015-05-13 | 江苏亨通线缆科技有限公司 | High-toughness flexible power cable for communication base station |
| CN104795136A (en) * | 2015-01-12 | 2015-07-22 | 江苏亨通线缆科技有限公司 | High-flame-retardance power cable for supplying power for telecommunication equipment |
| CN106024184A (en) * | 2016-08-12 | 2016-10-12 | 河南开启电力实业有限公司 | Halogen-free low-smoke flame-retardant power cable |
| CN106084427A (en) * | 2016-08-12 | 2016-11-09 | 江苏亨通线缆科技有限公司 | A kind of fire resistant flame retardant track traffic communication cable |
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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: 20130403 Termination date: 20150726 |
|
| EXPY | Termination of patent right or utility model |