CN202632877U - Shielding-reinforced indoor and outdoor dual-purpose digital communication cable - Google Patents
Shielding-reinforced indoor and outdoor dual-purpose digital communication cable Download PDFInfo
- Publication number
- CN202632877U CN202632877U CN 201220328606 CN201220328606U CN202632877U CN 202632877 U CN202632877 U CN 202632877U CN 201220328606 CN201220328606 CN 201220328606 CN 201220328606 U CN201220328606 U CN 201220328606U CN 202632877 U CN202632877 U CN 202632877U
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- shielding
- digital communication
- sheath
- shielding layer
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Abstract
The utility model discloses a shielding-reinforced indoor and outdoor dual-purpose digital communication cable. The dual-purpose digital communication cable comprises a cable core, an inner sheath, an outer sheath, an inner belting layer, an inner shielding layer and an outer shielding layer, wherein the inner belting layer, the inner shielding layer, the inner sheath, the outer shielding layer and the outer sheath are sequentially covered from inside to outside of the cable core; and an earth wire is arranged between the inner sheath and the outer shielding layer. By the dual-purpose digital communication cable, the structure of the inner and outer shielding layers is adopted, the inner shielding layer is wound and shielded by an aluminium foil, so that the flexibility of cables is improved; the outer shielding layer uses a copper aluminium composite belt, and has the characteristics of high conductivity, high strength and good shielding effect; and besides, the earth wire is arranged between the outer shielding layer and the inner sheath, so that the shielding performance of cables in an intensive electromagnetic environment is ensured.
Description
Technical field
The utility model belongs to digital communication and transmits carrier scope, the dual-purpose cable for digital communication of the reinforced indoor and outdoor of particularly a kind of shielding.
Background technology
The dual-purpose cable for digital communication jacket structure of indoor and outdoor is at present: sheath adopts polyvinyl chloride; Outer jacket adopts polyethylene; In the time of need having the shielding properties requirement, be employed in the outside mode that coats shielding material or rotten shielding material of cable core usually, but this mode is in the intensive occasion of electromagnetism; Can form electrostatic charge, shielding properties can't produce a desired effect.
The utility model content
The utility model technical problem to be solved provides the dual-purpose cable for digital communication of the reinforced indoor and outdoor of a kind of shielding, has the good characteristic of shield effectiveness.
The technical scheme of the utility model is following:
The dual-purpose cable for digital communication of the reinforced indoor and outdoor of a kind of shielding comprises cable core, sheath, outer jacket, interior belting layer, internal shield and outer shielding layer; Said cable core is enclosed with said interior belting layer, said internal shield, said sheath, said outer shielding layer and said outer jacket outward from inside to outside successively; Be placed with earth lead between said sheath and the said outer shielding layer.
Further: said cable core comprise orderly arrangement to the line group; Said the line group is comprised each other stranded insulated conductor.
Further: said insulated conductor comprises conductor and insulating barrier, and said conductor is extruded with said insulating barrier outward.
Further: said outer shielding layer is coated on outside said sheath and the said earth lead.
Further: said earth lead is that diameter is annealing copper wire or the tinned copper wire of 0.5mm.
Further: the material of said belting layer is a polyester belt, and the material of said internal shield is two-sided aluminium foil, and the material of said sheath is a polyvinyl chloride, and the material of said outer shielding layer is the copper aluminum composite belt, and the material of said outer jacket is a polyethylene.
The technique effect of the utility model is following:
1, two-layer shielding construction inside and outside the utility model adopts, internal shield adopts the wrapped shielding of aluminium foil, has improved the flexibility of cable; Outer shielding layer adopts the copper aluminum composite belt, has conductivity, and intensity is high, the characteristic that shield effectiveness is good.
2, the utility model is placed an earth lead between outer shielding layer and sheath, has guaranteed the shielding properties of cable in the intensive environment of electromagnetism.
Description of drawings
Fig. 1 is the cross section structure sketch map of the dual-purpose cable for digital communication of the reinforced indoor and outdoor of the shielding of the utility model.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described further.
As shown in Figure 1, be the cross section structure sketch map of the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding of the utility model.
The dual-purpose cable for digital communication of the reinforced indoor and outdoor of the shielding of the utility model comprises: cable core, interior belting layer 4, internal shield 5, sheath 7, outer shielding layer 8, outer jacket 9.Cable core is enclosed with interior belting layer 4, internal shield 5, sheath 7, outer shielding layer 8 and outer jacket 9 outward from inside to outside successively.The material of belting layer 4 is a polyester belt.The material of internal shield 5 is two-sided aluminium foil, has improved the flexibility of cable.The material of sheath 7 is a polyvinyl chloride.The material of outer shielding layer 8 is the copper aluminum composite belt, has conductivity, and intensity is high, the characteristic that shield effectiveness is good.The material of outer jacket 9 is a polyethylene.Be provided with earth lead 6 between sheath 7 and the outer shielding layer 8, guaranteed the shielding properties of cable in the intensive environment of electromagnetism.Earth lead 6 is that diameter is annealing copper wire or the tinned copper wire of 0.5mm.Outer shielding layer 8 is coated on outside sheath 7 and the earth lead 6.
Cable core comprise orderly arrangement to line group 3.In the utility model preferred embodiment, 4 to line group 3 stranded back formation cable cores.Line group 3 is comprised stranded insulated conductor each other.Insulated conductor twists together by different pitches.Insulated conductor comprises conductor 1 and insulating barrier 2, the conductor 1 outer insulating barrier 2 that is extruded with.
The utility model is applicable to local telephone communication cable technology system.The utility model adopts inner shield and outer shielding structure, and outer shielding layer adopts the copper aluminum composite belt, has the conductivity of copper concurrently, and intensity is high, the characteristic that shield effectiveness is good; Between outer shielding layer and sheath, place an earth lead simultaneously, improved the shielding properties and the intensity of cable, satisfied the jamproof requirement of cable.
The above is merely the embodiment of utility model.The protection range of the utility model is not limited thereto, and any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses, and the variation that can expect easily or replacement all should be encompassed within the protection range of the utility model.
Claims (6)
1. the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding comprises cable core, sheath and outer jacket, it is characterized in that: also comprise interior belting layer, internal shield and outer shielding layer; Said cable core is enclosed with said interior belting layer, said internal shield, said sheath, said outer shielding layer and said outer jacket outward from inside to outside successively; Be placed with earth lead between said sheath and the said outer shielding layer.
2. the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding as claimed in claim 1 is characterized in that: said cable core comprise orderly arrangement to the line group; Said the line group is comprised each other stranded insulated conductor.
3. the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding as claimed in claim 2, it is characterized in that: said insulated conductor comprises conductor and insulating barrier, said conductor is extruded with said insulating barrier outward.
4. the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding as claimed in claim 1 is characterized in that: said outer shielding layer is coated on outside said sheath and the said earth lead.
5. like claim 1 or the dual-purpose cable for digital communication of the reinforced indoor and outdoor of 4 described shieldings, it is characterized in that: said earth lead is that diameter is annealing copper wire or the tinned copper wire of 0.5mm.
6. the dual-purpose cable for digital communication of the reinforced indoor and outdoor of shielding as claimed in claim 1; It is characterized in that: the material of said belting layer is a polyester belt; The material of said internal shield is two-sided aluminium foil; The material of said sheath is a polyvinyl chloride, and the material of said outer shielding layer is the copper aluminum composite belt, and the material of said outer jacket is a polyethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220328606 CN202632877U (en) | 2012-07-06 | 2012-07-06 | Shielding-reinforced indoor and outdoor dual-purpose digital communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220328606 CN202632877U (en) | 2012-07-06 | 2012-07-06 | Shielding-reinforced indoor and outdoor dual-purpose digital communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202632877U true CN202632877U (en) | 2012-12-26 |
Family
ID=47386040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220328606 Expired - Lifetime CN202632877U (en) | 2012-07-06 | 2012-07-06 | Shielding-reinforced indoor and outdoor dual-purpose digital communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202632877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723139A (en) * | 2012-07-06 | 2012-10-10 | 北京亨通斯博通讯科技有限公司 | Indoor-outdoor data communication cable for shielding enhanced room |
| CN103745772A (en) * | 2013-12-29 | 2014-04-23 | 湖南华菱线缆股份有限公司 | Phase change self-regulating temperature shielded cable |
-
2012
- 2012-07-06 CN CN 201220328606 patent/CN202632877U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723139A (en) * | 2012-07-06 | 2012-10-10 | 北京亨通斯博通讯科技有限公司 | Indoor-outdoor data communication cable for shielding enhanced room |
| CN103745772A (en) * | 2013-12-29 | 2014-04-23 | 湖南华菱线缆股份有限公司 | Phase change self-regulating temperature shielded cable |
| CN103745772B (en) * | 2013-12-29 | 2016-05-18 | 湖南华菱线缆股份有限公司 | Phase transformation temp auto-controlled shielded cable |
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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: 20121226 |
|
| CX01 | Expiry of patent term |