CN204680451U - Pneumaticly be blown into formula optical fiber composite intelligent energy power cable - Google Patents
Pneumaticly be blown into formula optical fiber composite intelligent energy power cable Download PDFInfo
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- CN204680451U CN204680451U CN201520250862.XU CN201520250862U CN204680451U CN 204680451 U CN204680451 U CN 204680451U CN 201520250862 U CN201520250862 U CN 201520250862U CN 204680451 U CN204680451 U CN 204680451U
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- power cable
- optical fiber
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- transmission fibers
- fiber composite
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Abstract
The utility model discloses and a kind of be pneumaticly blown into formula optical fiber composite intelligent energy power cable, be made up of the power cable of pre-buried optical unit tubes and Transmission Fibers unit; The power cable of described pre-buried optical unit tubes is followed successively by cable core, inner covering, armour and oversheath from the inside to the outside; Described cable core comprises at least one insulated wire cores and filling; Described insulated wire cores is followed successively by conductor, conductor shield, insulating barrier, insulation screen and metal screen layer from the inside to the outside; At least one optical unit tubes is set in described filling; The quantity of described Transmission Fibers unit is consistent with the quantity of optical unit tubes, at least one pressure channel comprising optical fiber, cured layer, sheath and arrange on sheath surface; Described Transmission Fibers unit is suspended in the optical unit tubes of power cable.Cable of the present utility model adopts the mode of on-the-spot compound, therefore cable is divided into pre-buried optical unit tubes power cable and Transmission Fibers unit two parts, thus solves original optical fiber composite cable problem such as cable length loss, the reduction of optical fiber communication performance in construction and installation process.
Description
Technical field
The utility model relates to a kind of fiber composite power cable, and particularly one is pneumatic is blown into formula optical fiber composite intelligent energy power cable.
Background technology
Fiber composite power cable is a kind of novel optical fiber composite rope for power circuit, has the function of common cable cable, communications optical cable and on-line checkingi etc.Carry out telecommunications network, radio network, internet content transmission the business such as " integration of three networks " and in conjunction with the construction of on-line monitoring electric power networks, finally realize the construction of strong intelligent bulk power grid.
Current fiber composite power cable also has announcement in the patent literature, such as utility model patent ZL201120092927.4 disclosed " a kind of optical fiber composite medium-pressure cable ", its structure is for comprising cable core, cable core belting layer and oversheath, there is electric power transmission lead and the filler that blocks water in cable core, every root electric power transmission lead is by the outer coating conductor screen successively of conductor, insulating barrier, insulation screen, metal screen layer is formed, to it is characterized in that in cable core filling position is provided with and establish the Loose tube of optical fiber and at the outer coated non-metal reinforced layer successively of Loose tube by interior, restrictive coating and the optical fiber communication unit formed, inner sheath is provided with successively between cable core belting layer and oversheath, steel-tape armouring layer.The structure comprising various types of optical fiber composite cables that other have been announced is basic similar with above-mentioned patent, is all implanted in power cable core by Optical Fiber Transmission unit in factory, plays electric power, communication defeated object altogether.But such optical fiber composite monolithic structure is in practical engineering application process, optical, electrical order point defeated altogether can be realized, but in actual shipment, install, to lay and in check process, due to the reason of mechanical fiber optic poor performance, cause the loss of whole cable length on-the-spot serious, finally cause the increase of the overall construction cost of project.In order to improve optical fiber transmission quality, large based on power cable external diameter, Heavy Weight, Cable Bending Radius has the reason of requirement, the delivery length of a general dish power cable is 300 ~ 500 meters, for the circuit of power transmission path more than more than 500 meters, just needs employing two or multi-cable serial connection, set up cable intermediate joint, same optical fiber also needs to continue.And optical fiber continues each time and all will cause optical attenuation, affect optical communication quality.
Utility model content
The purpose of this utility model overcomes above-mentioned the deficiencies in the prior art, provides a kind of structure simple, and cable is installed, lay length loss is little, with better function and carry out the fiber composite power cable of real time on-line monitoring.
The technical scheme realizing the utility model object is pneumaticly blown into formula optical fiber composite intelligent energy power cable, is made up of the power cable of pre-buried optical unit tubes and Transmission Fibers unit; The power cable of described pre-buried optical unit tubes is followed successively by cable core, inner covering, armour and oversheath from the inside to the outside; Described cable core comprises at least one insulated wire cores and filling; Described insulated wire cores is followed successively by conductor, conductor shield, insulating barrier, insulation screen and metal screen layer from the inside to the outside; At least one optical unit tubes is set in described filling; The quantity of described Transmission Fibers unit is consistent with the quantity of optical unit tubes, comprises optical fiber, cured layer, sheath and sheath surface is provided with pressure channel; Described Transmission Fibers unit penetrates in compound and cable process at fiber unit and is suspended in the optical unit tubes of power cable.
Described insulated wire cores is three, between two tangent setting; A filling is set between adjacent two insulated wire cores; Described optical unit tubes and Transmission Fibers unit are three.
The diameter d 2 of described filling is determined according to following formula:
in formula, R is the radius of cable core, and r1 is the radius of insulated wire cores.
Arrange in described each Transmission Fibers unit and be not more than 12 optical fiber.
Described optical unit tubes is pipe, and internal diameter is not less than 3.5mm, and thickness of pipe wall is 0.7 ~ 1.0mm, the smooth rounding of inside pipe wall, without the thrust being greater than 0.25mm height.
The external diameter of described Transmission Fibers unit is not more than 3mm, and sheath is axially without the thrust being greater than 0.25mm.
Described pressure channel is in the distribution of sheath surface uniform, and be no less than 8, the degree of depth is 0.03 ~ 0.05mm.
After have employed technique scheme, the utility model has following positive effect: (1) cable of the present utility model adopts the mode of on-the-spot compound, therefore cable is divided into power cable and Transmission Fibers unit two parts of pre-buried optical unit tubes, thus solves original optical fiber composite cable problem such as cable length loss, the reduction of optical fiber communication performance in construction and installation process.
(2) method of the present utility model can avoid existing overall supply of material form optical fiber composite cable technology due to the weak reason of mechanical fiber optic performance, the loss that the optical fiber composite cable caused requires to separate quite long optical fiber in packed and transported, mounting and installation, commissioning test etc. and forms power cable length, there will not be cable length inadequate, need purchase than cable longer in the original plan to meet the loss of length, thus cause the problem that cable purchase cost increases.
(3) construction of cable of the present utility model and manufacture method, except having the advantage of minimizing cable length loss, also has raising optical fiber transmission quality, facilitates the function of cable later stage working service.Simultaneously compared with existing integral type optical fiber composite cable, the optical, electrical mode of the utility model erecting bed compound, can also in the use procedure of cable later stage, after cause optical fiber to damage due to a variety of causes, conveniently can realize optical fiber to change, fiber optic cables of the prior art run into this type of situation, can only discard optical fiber communication function.
(4) optical unit tubes that the utility model is pre-buried is arranged on the position in power cable, consider the impact of optical unit tubes inner fiber by electric power cable operating temperature, consider the outside diameter of cable and material cost simultaneously, therefore optical unit tubes is arranged at the filling position of cable core, simultaneously away from the high temperature center of power cable, be in the outside away from cable axle center, with filling fixed position.
(5) optical unit tubes structure of the present utility model is circular tube structure, smooth rounding in pipe, and introducing to ensure Transmission Fibers provides the useful space.Protect axially without large thrust outside Transmission Fibers unit, Transmission Fibers unit rounding, without buckling phenomenon, can guarantee that recombination process is smooth like this.
(6) pressure channel of Transmission Fibers unit of the present utility model be Transmission Fibers unit outer jacket at extrusion time, by the Baltimore groove that mould draws on outer jacket surface, for penetrating in pre-buried optical unit tubes process at Transmission Fibers unit, circulation passage as gases at high pressure or liquid is used, make Transmission Fibers unit be suspended in pre-buried fiber unit tube hub by the gases at high pressure in groove or liquid simultaneously, reduce and penetrate frictional force.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is the structural representation of the power cable of pre-buried optical unit tubes of the present utility model.
Fig. 2 is the structural representation of the utility model Transmission Fibers unit.
Attached number in the figure is:
The power cable 1 of pre-buried optical unit tubes, cable core 11, insulated wire cores 11-1, conductor 11-1-1, conductor shield 11-1-2, insulating barrier 11-1-3, insulation screen 11-1-4, metal screen layer 11-1-5, filling 11-2, optical unit tubes 11-3, inner covering 12, armour 13, oversheath 14, Transmission Fibers unit 2, optical fiber 21, cured layer 22, sheath 23, pressure channel 24.
Embodiment
(embodiment 1)
See Fig. 1 and Fig. 2, the pneumatic of the present embodiment is blown into formula optical fiber composite intelligent energy power cable, is made up of the power cable 1 of pre-buried optical unit tubes and Transmission Fibers unit 2; The power cable 1 of pre-buried optical unit tubes is followed successively by cable core 11, inner covering 12, armour 13 and oversheath 14 from the inside to the outside; Cable core 11 comprises three insulated wire cores 11-1 and three and fills 11-2; Insulated wire cores 11-1 is followed successively by conductor 11-1-1, conductor shield 11-1-2, insulating barrier 11-1-3, insulation screen 11-1-4 and metal screen layer 11-1-5 from the inside to the outside; Fill in 11-2 and three optical unit tubes 11-3 are set; Ten pressure channels 24 that Transmission Fibers unit 2 comprises optical fiber 21, cured layer 22, sheath 23 and arranges on sheath 23 surface; Transmission Fibers unit 2 is suspended in the optical unit tubes 11-3 of power cable 1.
The diameter d 2 of filling 11-2 is determined according to following formula:
in formula, R is the radius of cable core 11, and r1 is the radius of insulated wire cores 11.
See Fig. 2, arrange in each Transmission Fibers unit 2 and be not more than 12 optical fiber 21.Optical unit tubes 11-3 is pipe, and internal diameter is not less than 3.5mm, and thickness of pipe wall is 0.7 ~ 1.0mm, the smooth rounding of inside pipe wall, without the thrust being greater than 0.25mm height.The external diameter of Transmission Fibers unit 2 is not more than 3mm, and sheath 23 is axially without the thrust being greater than 0.25mm.Pressure channel 24 is in the distribution of sheath 23 surface uniform, and the degree of depth is 0.03 ~ 0.05mm.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (7)
1. be pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: be made up of the power cable (1) of pre-buried optical unit tubes and Transmission Fibers unit (2); The power cable (1) of described pre-buried optical unit tubes is followed successively by cable core (11), inner covering (12), armour (13) and oversheath (14) from the inside to the outside; Described cable core (11) comprises at least one insulated wire cores (11-1) and fills (11-2); Described insulated wire cores (11-1) is followed successively by conductor (11-1-1), conductor shield (11-1-2), insulating barrier (11-1-3), insulation screen (11-1-4) and metal screen layer (11-1-5) from the inside to the outside; At least one optical unit tubes (11-3) is set in described filling (11-2); The quantity of described Transmission Fibers unit (2) is consistent with the quantity of optical unit tubes (11-3), comprises optical fiber (21), cured layer (22), sheath (23) and sheath (23) surface is provided with pressure channel (24); Described Transmission Fibers unit (2) is suspended in the optical unit tubes (11-3) of power cable (1) in introducing power cable recombination process.
2. be according to claim 1ly pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: described insulated wire cores (11-1) is three, between two tangent setting; Between adjacent two insulated wire cores (11-1), a filling (11-2) is set; Described optical unit tubes (11-3) and Transmission Fibers unit (2) are three.
3. be according to claim 2ly pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: the diameter d 2 of described filling (11-2) is determined according to following formula:
in formula, R is the radius of cable core (11), and r1 is the radius of insulated wire cores (11).
4. be blown into formula optical fiber composite intelligent energy power cable according to pneumatic one of claims 1 to 3 Suo Shu, it is characterized in that: arrange in described each Transmission Fibers unit (2) and be not more than 12 optical fiber (21).
5. be according to claim 4ly pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: described optical unit tubes (11-3) is pipe, internal diameter is not less than 3.5mm, thickness of pipe wall is 0.7 ~ 1.0mm, the smooth rounding of inside pipe wall, without the thrust being greater than 0.25mm height.
6. be according to claim 5ly pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: the external diameter of described Transmission Fibers unit (2) is not more than 3mm, sheath (23) is axially without the thrust being greater than 0.25mm.
7. be according to claim 6ly pneumaticly blown into formula optical fiber composite intelligent energy power cable, it is characterized in that: described pressure channel (24) is in the distribution of sheath (23) surface uniform, and be no less than 8, the degree of depth is 0.03 ~ 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250862.XU CN204680451U (en) | 2015-04-23 | 2015-04-23 | Pneumaticly be blown into formula optical fiber composite intelligent energy power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520250862.XU CN204680451U (en) | 2015-04-23 | 2015-04-23 | Pneumaticly be blown into formula optical fiber composite intelligent energy power cable |
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| CN204680451U true CN204680451U (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520250862.XU Active CN204680451U (en) | 2015-04-23 | 2015-04-23 | Pneumaticly be blown into formula optical fiber composite intelligent energy power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810106A (en) * | 2015-04-23 | 2015-07-29 | 远东电缆有限公司 | Pneumatic blowing-in optical fiber composite smart energy power cable and production method thereof |
| CN112867952A (en) * | 2018-11-06 | 2021-05-28 | 住友电气工业株式会社 | Optical fiber cable |
| CN113161047A (en) * | 2021-04-20 | 2021-07-23 | 涌纬集团股份有限公司 | Power cable for intelligent energy |
-
2015
- 2015-04-23 CN CN201520250862.XU patent/CN204680451U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810106A (en) * | 2015-04-23 | 2015-07-29 | 远东电缆有限公司 | Pneumatic blowing-in optical fiber composite smart energy power cable and production method thereof |
| CN112867952A (en) * | 2018-11-06 | 2021-05-28 | 住友电气工业株式会社 | Optical fiber cable |
| CN113161047A (en) * | 2021-04-20 | 2021-07-23 | 涌纬集团股份有限公司 | Power cable for intelligent energy |
| CN113161047B (en) * | 2021-04-20 | 2022-05-27 | 涌纬集团股份有限公司 | Power cable for intelligent energy |
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