CN203150276U - Two-core water-blocking shielding optical fiber composite cable - Google Patents
Two-core water-blocking shielding optical fiber composite cable Download PDFInfo
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- CN203150276U CN203150276U CN 201320111693 CN201320111693U CN203150276U CN 203150276 U CN203150276 U CN 203150276U CN 201320111693 CN201320111693 CN 201320111693 CN 201320111693 U CN201320111693 U CN 201320111693U CN 203150276 U CN203150276 U CN 203150276U
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- optical fiber
- water
- fiber composite
- polyethylene layer
- composite cable
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Abstract
The utility model discloses a two-core water-blocking shielding optical fiber composite cable. The composite cable comprises two power transmission units and two optical units; each power transmission unit is composed of a circular conductor and an insulating layer coated on the external surface of the circular conductor; each optical unit is composed of two optical fibers and an extruded first polyethylene layer, and a filling cable compound is arranged between the first polyethylene layer and the optical fibers; a water-blocking tape is wrapped on the external surfaces of the power transmission units and the optical units; a water-blocking shielding layer composed of copper strips with a thickness of 0.2 to 0.4 mm is coated on the external surface of the water-blocking tape; a second polyethylene layer is extruded on the external surface of the water-blocking shielding layer; and a cabling lay ratio of the power transmission units and the optical units is 40 to 45 times. The two-core water-blocking shielding optical fiber composite cable provided by the utility model overcomes the defect of waterproof performance of a conventional optical fiber composite cable, has substantially improved waterproofness and enables loss of electric energy and signals in the process of transmission to be reduced.
Description
Technical field
The utility model relates to a kind of power cable transmission field, is specifically related to a kind of two cores shielding optical fiber composite rope that blocks water.
Background technology
Along with the formal startup of State Grid Corporation of China's power optical fiber to the family engineering, the compound low-voltage cable of optical fiber arises at the historic moment, and this product light harvesting fibre, transmission of electricity copper cash, copper holding wire can solve problems such as broadband access, equipment electricity consumption, emergency signal transmission in one.Be used for to connect the power transformation case of intelligent residential district or office block to the used optical fiber composite rope of power distribution room of each residential building or office building, its system of laying generally all adopts outdoor direct-burried or pipeline laying, and the water proofing property of product is had certain requirement.Conventional waterproof optical fiber composite rope adopts wrapped one deck waterproof band more and use the sheath material with water resistance, but all there is defective in various degree in its water proofing property, causes cable accident in use to occur easily.
Summary of the invention
The utility model purpose provides a kind of two cores shielding optical fiber composite rope that blocks water, this two core blocks water and shields the defective that the optical fiber composite rope has remedied existing waterproof optical fiber composite rope water resistance, its water resistance is improved greatly, can reduce the loss in transmission course of electric energy, signal simultaneously.
For achieving the above object, the technical solution adopted in the utility model is: a kind of two cores block water and shield the optical fiber composite rope, comprise: two electric power transfer unit and two light unit, described electric power transfer unit is made up of round conductor and the insulating barrier that is coated on the round conductor outer surface, described smooth unit comprises two optical fiber, extrudes first polyethylene layer of formation, is filled with cable cream between first polyethylene layer and the optical fiber;
One waterstop is wrapped in described electric power transfer unit and light unit outer surface, be that the screen that blocks water that the copper strips of 0.2 ~ 0.4mm is formed is coated on described waterstop outer surface by thickness, one second polyethylene layer extrudes in the described screen outer surface that blocks water, and the stranding lay ratio of described electric power transfer unit and light unit is 40 ~ 45 times.
It is as follows further to improve technical scheme in the technique scheme:
1, in the such scheme, the cross section of described round conductor is 6mm
2
2, in the such scheme, the thickness of described waterstop is 0.05mm.
3, in the such scheme, the described second polyethylene layer thickness is 2.0 ~ 2.2mm.
4, in the such scheme, described copper strips thickness is 0.3mm.
Because technique scheme is used, the utility model compared with prior art has following advantage and effect:
The utility model two cores block water and shield the optical fiber composite rope, and the defective that it has remedied conventional waterproof optical fiber composite rope water resistance improves its water resistance greatly, can reduce the loss in transmission course of electric energy, signal simultaneously; Secondly, described screen adopts the chain armouring of copper strips, realizes blocking water when satisfying shielding requirements, defective occurs even polyethylene layer blocks water, and also can realize blocking water by screen.
Description of drawings
Accompanying drawing 1 shields optical fiber composite rope structural representation for the utility model two cores block water.
In the above accompanying drawing: 1, electric power transfer unit; 2, light unit; 3, round conductor; 4, insulating barrier; 5, optical fiber; 6, cable cream; 7, first polyethylene layer; 8, waterstop; 9, second polyethylene layer; 10, copper strips; 11, the screen that blocks water.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment 1: a kind of two cores block water and shield the optical fiber composite rope, comprise: two electric power transfer unit 1 and two light unit 2, described electric power transfer unit is made up of round conductor 3 and the insulating barrier 4 that is coated on round conductor 3 outer surfaces, described smooth unit 2 comprises two optical fiber 5, extrude between first polyethylene layer, 7, the first polyethylene layers 7 of formation and the optical fiber 5 and be filled with cable cream 6;
One waterstop 8 is wrapped in described electric power transfer unit 1 and light unit 2 outer surfaces, is that the screen 11 that blocks water that the copper strips 10 of 0.25mm is formed is coated on described waterstop 8 outer surfaces by thickness, and copper strips 10 processing modes are chain armouring, so have block-water performance; One second polyethylene layer 9 extrudes in described screen 11 outer surfaces that block water, and the stranding lay ratio of described electric power transfer unit 1 and light unit 2 is 40 ~ 45 times.
Above-mentioned second polyethylene layer, 9 thickness are 2.1mm, and the thickness of above-mentioned first polyethylene layer 7 is 1.1mm.
Embodiment 2: a kind of two cores block water and shield the optical fiber composite rope, comprise: two electric power transfer unit 1 and two light unit 2, described electric power transfer unit is made up of round conductor 3 and the insulating barrier 4 that is coated on round conductor 3 outer surfaces, described smooth unit 2 comprises two optical fiber 5, extrude between first polyethylene layer, 7, the first polyethylene layers 7 of formation and the optical fiber 5 and be filled with cable cream 6;
One waterstop 8 is wrapped in described electric power transfer unit 1 and light unit 2 outer surfaces, is that the screen 11 that blocks water that the copper strips 10 of 0.35mm is formed is coated on described waterstop 8 outer surfaces by thickness, and copper strips 10 processing modes are chain armouring, so have block-water performance; One second polyethylene layer 9 extrudes in described screen 11 outer surfaces that block water, and the stranding lay ratio of described electric power transfer unit 1 and light unit 2 is 40 ~ 45 times.
The cross section of above-mentioned round conductor 3 is 6mm
2The thickness of above-mentioned waterstop 8 is 0.05mm.
Above-mentioned second polyethylene layer, 9 thickness are 2.2mm, and the thickness of above-mentioned first polyethylene layer 7 is 1.1mm, and above-mentioned copper strips 10 thickness are 0.3mm.
Adopt above-mentioned two cores to block water and shield the optical fiber composite rope, the defective that it has remedied conventional waterproof optical fiber composite rope water resistance improves its water resistance greatly, can reduce the loss in transmission course of electric energy, signal simultaneously; Secondly, described screen adopts the chain armouring of copper strips, realizes blocking water when satisfying shielding requirements, defective occurs even polyethylene layer blocks water, and also can realize blocking water by screen.
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 this technology can understand content of the present utility model and enforcement according to this, 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 (5)
1. a core blocks water and shields the optical fiber composite rope, it is characterized in that: comprising: two electric power transfer unit (1) and two light unit (2), described electric power transfer unit is made up of round conductor (3) and the insulating barrier (4) that is coated on round conductor (3) outer surface, described smooth unit (2) comprises two optical fiber (5), extrudes first polyethylene layer (7) of formation, is filled with cable cream (6) between first polyethylene layer (7) and the optical fiber (5);
One waterstop (8) is wrapped in described electric power transfer unit (1) and light unit (2) outer surface, be that the screen that blocks water (11) that the copper strips (10) of 0.2 ~ 0.4mm is formed is coated on described waterstop (8) outer surface by thickness, one second polyethylene layer (9) extrudes in the described screen that blocks water (11) outer surface, and the stranding lay ratio of described electric power transfer unit (1) and light unit (2) is 40 ~ 45 times.
2. two cores according to claim 1 block water and shield the optical fiber composite rope, and it is characterized in that: the cross section of described round conductor (3) is 6mm
2
3. two cores according to claim 1 block water and shield the optical fiber composite rope, and it is characterized in that: the thickness of described waterstop (8) is 0.05mm.
4. two cores according to claim 1 block water and shield the optical fiber composite rope, and it is characterized in that: described second polyethylene layer (9) thickness is 2.0 ~ 2.2mm.
5. two cores according to claim 1 block water and shield the optical fiber composite rope, and it is characterized in that: described copper strips (10) thickness is 0.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111693 CN203150276U (en) | 2013-03-12 | 2013-03-12 | Two-core water-blocking shielding optical fiber composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320111693 CN203150276U (en) | 2013-03-12 | 2013-03-12 | Two-core water-blocking shielding optical fiber composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203150276U true CN203150276U (en) | 2013-08-21 |
Family
ID=48977785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320111693 Expired - Lifetime CN203150276U (en) | 2013-03-12 | 2013-03-12 | Two-core water-blocking shielding optical fiber composite cable |
Country Status (1)
| Country | Link |
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| CN (1) | CN203150276U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104157340A (en) * | 2014-07-09 | 2014-11-19 | 江苏亨通线缆科技有限公司 | High-stability submarine communication data transmission cable |
| CN104867608A (en) * | 2014-02-24 | 2015-08-26 | 江苏亨通线缆科技有限公司 | Anti-interference enhanced CAT 7 type digital network signal cable |
| CN105551616A (en) * | 2016-01-24 | 2016-05-04 | 安徽华星电缆集团有限公司 | Industrial waterproof dampproof anti-corrosion cable |
| CN106981333A (en) * | 2017-05-27 | 2017-07-25 | 东莞市民兴电缆有限公司 | A kind of high residential building composite cable and preparation method thereof |
-
2013
- 2013-03-12 CN CN 201320111693 patent/CN203150276U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104867608A (en) * | 2014-02-24 | 2015-08-26 | 江苏亨通线缆科技有限公司 | Anti-interference enhanced CAT 7 type digital network signal cable |
| CN104157340A (en) * | 2014-07-09 | 2014-11-19 | 江苏亨通线缆科技有限公司 | High-stability submarine communication data transmission cable |
| CN105551616A (en) * | 2016-01-24 | 2016-05-04 | 安徽华星电缆集团有限公司 | Industrial waterproof dampproof anti-corrosion cable |
| CN106981333A (en) * | 2017-05-27 | 2017-07-25 | 东莞市民兴电缆有限公司 | A kind of high residential building composite 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: 20130821 |
|
| CX01 | Expiry of patent term |