CN105913960A - Photoelectric hybrid cable - Google Patents
Photoelectric hybrid cable Download PDFInfo
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- CN105913960A CN105913960A CN201610365462.2A CN201610365462A CN105913960A CN 105913960 A CN105913960 A CN 105913960A CN 201610365462 A CN201610365462 A CN 201610365462A CN 105913960 A CN105913960 A CN 105913960A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks
- H01B7/324—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks comprising temperature sensing means
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Abstract
The invention discloses a photoelectric hybrid cable comprising at least three optical fiber cables and at least six power cables. Every two of the optical fiber cables abut against each other. Each optical fiber cable includes a plastic armored pipe provided with multiple hole channels, and optical fibers are arranged inside the hole channels of the plastic armored pipe. A first wrapping layer is arranged around the outside of the optical fiber cables, and is tightly connected with the optical fiber cables. The power cables are arranged adjacently around the outside of the first wrapping layer. Each of the power cables includes multiple conductors inside, which are surrounded by an insulating layer. A second wrapping layer is arranged around the outside of the power cables, and is tightly connected with the power cables. In each area formed by two adjacent power cables and the second wrapping layer, an extrusion strip in contact with the two power cables and the second wrapping layer is arranged. The photoelectric hybrid cable provided by the invention enables high-speed safe transmission of both power and information to be achieved, is easy to lay and low in cost, and has a long service life.
Description
Technical field
Optical cable technical field of the present invention, specifically, relates to a kind of optical electrical hybrid cable that can simultaneously transmit optical signal and the signal of telecommunication.
Background technology
Optical electrical hybrid cable is a kind of novel access way, and it integrates optical fiber, power transmission line, can solve the problems such as broadband access, equipment electricity consumption, signal transmission.
Along with national economy and the fast development of society and the improving constantly of living standards of the people, the whole society to safety, economy, high-quality electricity consumption requirement more and more higher, the pressure of electric power netting safe running management is increasing；Simultaneously, quantity of information needed for user exponentially increases sharply, this quantity of information demand exponentially increased of user is that traditional information transmission mode cannot meet, it is therefore desirable to optical cable is directly connected to interior of building to be greatly increased the circulation of information by leading.
Owing to optical cable and cable have respectively different characteristic, so optical cable and cable are separately installed under normal circumstances, so optical cable and cable installation space just there is bigger demand；And asynchronous owing to installing, therefore can cause the delay of installment work.The space that the installation method of prior art needs is big, higher to the demand of mounting material and labour force, and cost is high, and is unfavorable for maintenance and repair.
In order to meet electric power transmission and the demand of information transmission simultaneously, optical cable and cable are combined composition mixing cable by some technology.But existing optical electrical hybrid cable external diameter is the biggest.Additionally, due to optical fiber itself has the features such as footpath is thin, matter is soft, lightweight, therefore optical fiber is vulnerable to the impact of the external tension being applied on described cable, outside hitting power etc., and then causes information transmission the most smooth.
Therefore, it is badly in need of one at present and under high voltage, strong electric field environment, while ensureing electric power transmission safe operation, can ensure again the technical scheme that Large Copacity high speed information transmits.
Summary of the invention
In order to solve defect of the prior art, it is provided that a kind of mixing cable installed that optical fiber cable and electric power cable can be mixed, and the external diameter of mixing cable can be substantially reduced, and effectively protection optical fiber cable is not damaged by external force.
According to an aspect of the present invention, it is provided that a kind of optical electrical hybrid cable, it is characterised in that described optical electrical hybrid cable includes: at least 3 optical fiber cables and at least 6 electric power cables；
Described optical fiber cable offsets setting two-by-two；Described optical fiber cable includes the plastics armour pipe with multiple poroid passage, and optical fiber is arranged at the poroid channel interior of described plastics armour pipe；
First lapping layer is centered around the outside of described optical fiber cable, and with described optical fiber cable compact siro spinning technology；
Described electric power cable is adjacent to be centered around outside described first lapping layer；Each described electric power cable all includes many conductors；Described conductor is surrounded by insulating barrier；
Second lapping layer is centered around the outside of described electric power cable, and with described electric power cable compact siro spinning technology；
In the region that two adjacent power cables and described second lapping layer are formed, the extrusion pressing type bar contacted respectively with above-mentioned three is set.
According to a specific embodiment of the present invention, described optical electrical hybrid cable also includes 1 temperature measuring optical cable, and described temperature measuring optical cable is placed in the cavity that described optical fiber cable surrounds.
According to the another embodiment of the present invention, described temperature measuring optical cable includes the plastics armour pipe with multiple poroid passage, and temperature-measuring optical fiber is arranged at the poroid channel interior of described plastics armour pipe.
According to another detailed description of the invention of the present invention, it is enclosed with fiber braiding layer and water blocking tape successively in the outside of described plastics armour pipe；
Described fiber braiding layer is by aramid fiber and fiberglass braided forms.
According to another detailed description of the invention of the present invention, described first lapping layer is prepared from by polyester, polyolefin, PVC and/or nylon.
According to another detailed description of the invention of the present invention, between described first lapping layer and described optical fiber cable, it is filled with aramid fiber.
According to another detailed description of the invention of the present invention, described conductor uses that the silver-coated copper wire of many a diameter of 0.1mm is stranded to be formed, and lay is 16mm ~ 17mm.
According to another detailed description of the invention of the present invention, outside described insulating barrier, it is disposed with wire sheathing, fiberglass braided layer and outer layer.
According to another detailed description of the invention of the present invention, described electric power cable is provided centrally with the first obturator, and described conductor is arranged around described first obturator；Described first obturator is glass fiber.
According to another detailed description of the invention of the present invention, described second lapping layer includes the most successively: internal layer, flame-retardant layer, electrostatic screen layer, waterproof layer, metal armor layers, wearing layer, restrictive coating.
According to another detailed description of the invention of the present invention, described internal layer uses glass fibre to form with the braiding of ceramic silica gel strip machinery.
According to another detailed description of the invention of the present invention, described wearing layer uses coefficient of friction polymer between 0.15 ~ 0.25 to be prepared from.
According to another detailed description of the invention of the present invention, described internal layer, between described first lapping layer and described electric power cable, it is provided with the second obturator；Described second obturator is exotic material.
According to another detailed description of the invention of the present invention, described extrusion pressing type bar includes: waterproof rope and/or anti-flaming polypropylene.
The optical electrical hybrid cable that the present invention provides has electric power transmission and information transfer capability concurrently.By rationally arranging position and the layout of electric power cable and optical fiber cable, it is achieved electric power cable and the high effective integration of optical fiber cable, effectively reduce the external diameter of photoelectricity composite cable, save installing space.Optical fiber cable and the structure of electric power cable in the optical electrical hybrid cable that the present invention provides are respectively provided with multiple structure, and its layer structure is respectively arranged with feature.Inventor, by the research of the different qualities to optical fiber cable and electric power cable and test, carries out different designs to the structure of optical fiber cable and electric power cable.The technical scheme that the present invention provides strengthens protection to fragile very thin optical fiber so that it is from the impact of applied external force；It is also carried out performances such as the heat radiation of electric power cable, waterproof, firmness improving.This technical scheme not only adds the bulk life time of optical electrical hybrid cable, has saved artificial and material cost.
Additionally, the electric power transmission conductor in electric power cable the most easily produces a large amount of heat energy in electric power transmitting procedure, and cause power line transmission fault.In order to solve the problems referred to above, the optical electrical hybrid cable that the present invention provides also has cable for measuring temperature, it is possible to real-time remote monitoring cable current-carrying heat effect.Early warning can be carried out with the real time temperature of effective monitoring photoelectricity composite cable before occurring extremely by cable for measuring temperature；Trouble point can also be found after breaking down the very first time, shorten the repair time.
Accompanying drawing explanation
The detailed description that non-limiting example is made made with reference to the following drawings by reading, the other features, objects and advantages of the present invention will become more apparent upon:
Fig. 1 show the structural representation of a detailed description of the invention of a kind of optical electrical hybrid cable according to present invention offer；
The structural representation of one detailed description of the invention of the optical fiber cable that Fig. 2 show in a kind of optical electrical hybrid cable according to present invention offer；
The structural representation of one detailed description of the invention of the electric power cable that Fig. 3 show in a kind of optical electrical hybrid cable according to present invention offer；
Fig. 4 show the structural representation of a detailed description of the invention of the conductor in the electric power cable in a kind of optical electrical hybrid cable according to present invention offer；
The structural representation of one detailed description of the invention of the second lapping layer that Fig. 5 show in a kind of optical electrical hybrid cable according to present invention offer.
Reference is as shown in below table:
| 10 | Optical fiber cable | 11 | Plastics armour pipe |
| 12 | Optical fiber | 13 | Fiber braiding layer |
| 14 | Water blocking tape | 15 | Aramid fiber |
| 20 | Electric power cable | 21 | Conductor |
| 22 | Insulating barrier | 23 | Wire sheathing |
| 24 | Fiberglass braided layer | 25 | First obturator |
| 26 | Second obturator | 27 | Outer layer |
| 30 | Temperature measuring optical cable | ||
| 40 | First lapping layer | ||
| 50 | Second lapping layer | 51 | Internal layer |
| 52 | Flame-retardant layer | 53 | Electrostatic screen layer |
| 54 | Waterproof layer | 55 | Metal armor layers |
| 56 | Wearing layer | 57 | Restrictive coating |
| 58 | Extrusion pressing type bar |
In accompanying drawing, same or analogous reference represents same or analogous parts.
Detailed description of the invention
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.In order to simplify disclosure of the invention, hereinafter parts and setting to specific examples are described.Additionally, the present invention can in different examples repeat reference numerals and/or letter.This repetition is for purposes of simplicity and clarity, the relation between itself not indicating discussed various embodiment and/or arranging.It should be noted that, parts illustrated in the accompanying drawings are not drawn necessarily to scale.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
Reference Fig. 1, Fig. 1 show the structural representation of a detailed description of the invention of a kind of optical electrical hybrid cable according to present invention offer.This optical electrical hybrid cable includes: at least 3 optical fiber cables 10 and at least 6 electric power cables 20.
Described optical fiber cable 10 offsets setting two-by-two.Described optical fiber cable 10 includes the plastics armour pipe 11 with multiple poroid passage, and optical fiber 12 is arranged at the poroid channel interior of described plastics armour pipe 11, as shown in Figure 2.Itself there is due to optical fiber 12 features such as very thin, fragile, frangibility, it is therefore desirable to it is carried out special protection.The present invention uses the plastics armour pipe 11 with poroid passage to protect optical fiber 12, it is possible to ensure that optical fiber is not destroyed by external force, and then the smooth and easy transmission of the information of guarantee.
Furthermore it is preferred that, described optical electrical hybrid cable also includes that 1 temperature measuring optical cable 30, described temperature measuring optical cable 30 are placed in the cavity that described optical fiber cable 10 surrounds.Temperature measuring optical cable 30 be provided with the temperature monitoring optical electrical hybrid cable the most in real time, contribute to ensure optical electrical hybrid cable normally work within the scope of reasonable temperature.In like manner, owing to temperature measuring optical cable 30 is made up of temperature-measuring optical fiber, it is therefore preferred that described temperature measuring optical cable 30 also includes the plastics armour pipe with multiple poroid passage, temperature-measuring optical fiber is arranged at the poroid channel interior of described plastics armour pipe.
Optionally, described plastics armour pipe 11 can select such as polrvinyl chloride (PVC), polybutylene terephthalate (PBT), polypropylene (PP), polyethylene (PE), thermoplastic polyester plastic (PBT), optical fiber to mould the materials such as pipe and polyurethane (PU) and prepare.Preferably, using low smoke and zero halogen (LSZH) material to prepare described plastics armour pipe 11, this material, in addition to can effectively protecting optical fiber 12 not destroyed by external force, also has flame-retarding characteristic.
Fiber braiding layer 13 and water blocking tape 14 it is enclosed with successively in the outside of described plastics armour pipe 11.Wherein, it is preferred that described fiber braiding layer 13 is by aramid fiber and fiberglass braided forms.Aramid fiber (PPTA) has superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, the premium properties such as lightweight；Especially its good toughness, its toughness is 2 times of steel wire.And the feature that glass fibre has good insulating, thermostability is strong, mechanical strength is high；But shortcoming is that property is crisp, and wearability is poor.Therefore aramid fiber and glass fibre being combined, the fiber braiding layer 13 of formation has not only had the two advantage concurrently, and has evaded both defects, has good insulating properties and ageing resistace, has the longest life cycle.
Preferably, described water blocking tape 14 is double-sided aluminum plastic composite band and extrudes the vertical pack arrangement that polyethylene is made, and this structure can effectively protect optical fiber 12 away from moisture vapor, ensures the normal work of optical fiber 12.Owing to whole photoelectricity composite cable has multilamellar protection mechanism, therefore the thickness of water blocking tape 14 need not be blocked up, and optical fiber 12 the most both can carry out certain protection, the external diameter of increase optical electrical hybrid cable that again will not be too much.Preferably, the thickness of described water blocking tape 14 is 0.1mm ~ 0.15mm.
First lapping layer 40 is centered around the outside of described optical fiber cable 10, and with described optical fiber cable 10 compact siro spinning technology.At described first lapping layer 40, between described optical fiber cable 10 and described temperature measuring optical cable 30, it is filled with aramid fiber 15.Aramid fiber itself, as a kind of high polymer, has good mechanical property；And excellent thermostability, mar proof, chemical proofing and self lubricity；Its coefficient of friction is low simultaneously, the most certain anti-flammability.Additionally due to it is prone to processing, uses as inserts and both optical fiber cable 10 and temperature measuring optical cable 30 can be protected, additionally it is possible to reduce the production cost of whole optical electrical hybrid cable further.
Preferably, described first lapping layer 40 is prepared from by polyester, polyolefin, PVC and/or nylon.
Described electric power cable 20 is adjacent is centered around described first lapping layer 40 outside.As shown in Figure 3 and Figure 4, each described electric power cable 20 all includes many conductors 21.Preferably, silver-coated copper wire that described conductor 21 uses many a diameter of 0.1mm is stranded to be formed, and lay is 16mm ~ 17mm, such as: 16mm, 16.5mm or 17mm.In order to realize electric isolution, described conductor 21 is surrounded by insulating barrier 22.Optionally, described insulating barrier 22 can use polrvinyl chloride to be prepared from.Preferably, perfluoroethylene bright alkene material is used to prepare insulating barrier 22.Perfluoroethylene bright alkene insulating properties is excellent, and anti-wear performance is good, not by ectocines such as operating ambient temperature, humidity, frequencies, has good arc resistance；Especially high and low temperature resistance is good, can use steadily in the long term in the temperature range of-250 DEG C ~ 200 DEG C.
Preferably, the outside at described insulating barrier 22 is also disposed with wire sheathing 23, fiberglass braided layer 24 and outer layer 27.Wherein, wire sheathing 23 can use one or more metals in copper, lead, steel or aluminum to be prepared from, and protects conductor 21 further.Fiberglass braided layer 24 can play insulation, effect heat-resisting, erosion-resisting further.Outer layer 27 can use rubber or plastic material, in order to protects conductor 21 further, can also play insulation, the effect of enhancing ruggedness simultaneously.Preferably, described outer layer 27 selects the bright alkene of perfluoroethylene to prepare.
Preferably, described electric power cable 20 be provided centrally with the first obturator 25, described conductor 21 is arranged around described first obturator 25.Wherein, described first obturator 25 uses glass material to prepare.The intensity of glass fiber is big, and low cost is disposed at the center of electric power cable 20, can play a supporting role to around conductor 21 about, places conductor 21 damaged by deformation after External Force Acting, causes the accident.
Second lapping layer 50 is centered around the outside of described electric power cable 20, and with described electric power cable 20 compact siro spinning technology.Preferably, in the region that two adjacent power cables 20 and described second lapping layer 50 are formed, the extrusion pressing type bar 58 contacted respectively with above-mentioned three is set.Arranging of extrusion pressing type bar 58 can help electric power cable 20 to resist External Force Acting further, keeps the position of electric power cable 20, shape not to change under external force, increases the service life of optical electrical hybrid cable.Additionally, selected by different materials, extrusion pressing type bar 58 may also operate as other effect, such as: waterproof, fire-retardant etc..Preferably, the material of described extrusion pressing type bar 58 includes but not limited to: waterproof rope and/or anti-flaming polypropylene.Although it should be noted that the shape of extrusion pressing type bar 58 is not particularly limited, circle, ellipse, triangle, trapezoidal etc.；Arrange it is preferred to use oval, be not only able to more preferably resist external force, moreover it is possible to reduce the damage itself contacted with electric power cable 20 and be likely to result in.
As it is shown in figure 5, described second lapping layer 50 includes the most successively: internal layer 51, flame-retardant layer 52, electrostatic screen layer 53, waterproof layer 54, metal armor layers 55, wearing layer 56 and restrictive coating 57.
Wherein, described internal layer 51 uses glass fibre to form with the braiding of ceramic silica gel strip machinery.Internal layer 51 by the braiding of above two material is the most soft, shock-absorbing shock resistance, and crust thermal insulation is good；Then forming stiff shell more than 550 degree of temperature, do not fall off after sintering, the ceramic body of formation does not shrinks.No matter at routine use or after accident occurs, electric power cable 20 can be provided effectively protection.
Preferably, flame-retardant layer 52 uses pvc material to prepare.Pvc material good insulation preformance, reliability is high, good flame resistance.Fire accident once occurs, and the flame-retardant layer 52 that polrvinyl chloride is formed can form the carburization zone of heat insulation resistance oxygen and protect electric power cable 20, stops burning away of flame.
Electrostatic screen layer 53 the impact that can avoid external electrical field to electric power cable 20 is set, it is also possible to avoid the impact to external world of electric field that electric power cable 20 produces.Preferably, described electrostatic screen layer 53 can be the skin of paint using paint brushing；It can also be the metal knitted cap layer of metal wire knitted.
The setting of waterproof layer 54 is not only able to when there being external source to leak ensure that electric power cable 20 is not encroached on, it is also possible to intercept the corrosion to electric power cable 20 of the steam in air.Preferably, described waterproof layer 54 is double-sided aluminum plastic composite band and extrudes the vertical pack arrangement that polyethylene is made.
Metal armor layers 55 preferably employs the metal such as copper, aluminum to be prepared, especially aluminium light weight, be extraordinary metal armor layers 55 can material selection.
Described wearing layer 56 uses coefficient of friction polymer between 0.15 ~ 0.25 to be prepared from.Arranging of wearing layer 56 can effectively limit the external force acted on restrictive coating 57, such as bending force.Additionally, due to polymer itself has fire resistance characteristic, therefore wearing layer 56 can also further function as waterproof effect.
Restrictive coating 57 uses the material such as polrvinyl chloride, polyethylene to be prepared from.
Preferably, at described internal layer 51, between described first lapping layer 40 and described electric power cable 20, it is provided with the second obturator 26.Wherein, described second obturator 26 is exotic material.Preferably, described exotic material is pottery and/or carbofrax material.
Significantly, since high polymer is of a great variety, and the difference between some material is trickle, and therefore the various materials selected by the present invention are all determined by after inventor repeatedly studies and tests, and can not arbitrarily replace or change.
The optical electrical hybrid cable that the present invention provides can realize electric power and the high speed of information, safe transmission simultaneously；Topology layout is reasonable；It is easily installed；Low cost；Life-span is long.
Although being described in detail about example embodiment and advantage thereof, it should be understood that in the case of without departing from the spiritual and defined in the appended claims protection domain of the present invention, these embodiments can be carried out various change, substitutions and modifications.For other examples, those of ordinary skill in the art is it should be readily appreciated that while keeping in scope, the order of processing step can change.
Additionally, the range of application of the present invention is not limited to the technique of specific embodiment, mechanism, manufacture, material composition, means, method and step described in description.From the disclosure, will readily appreciate that as those of ordinary skill in the art, for the technique, mechanism, manufacture, material composition, means, method or the step that have existed or will develop at present later, wherein they perform the result that the function that is substantially the same of corresponding embodiment or acquisition with present invention description are substantially the same, and can apply them according to the present invention.Therefore, claims of the present invention are intended to be included in its protection domain these technique, mechanism, manufacture, material composition, means, method or step.
Claims (14)
1. an optical electrical hybrid cable, it is characterised in that described optical electrical hybrid cable includes: at least 3 optical fiber cables and at least 6 electric power cables；
Described optical fiber cable offsets setting two-by-two；Described optical fiber cable includes the plastics armour pipe with multiple poroid passage, and optical fiber is arranged at the poroid channel interior of described plastics armour pipe；
First lapping layer is centered around the outside of described optical fiber cable, and with described optical fiber cable compact siro spinning technology；
Described electric power cable is adjacent to be centered around outside described first lapping layer；Each described electric power cable all includes many conductors；Described conductor is surrounded by insulating barrier；
Second lapping layer is centered around the outside of described electric power cable, and with described electric power cable compact siro spinning technology；
In the region that two adjacent power cables and described second lapping layer are formed, the extrusion pressing type bar contacted respectively with above-mentioned three is set.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that described optical electrical hybrid cable also includes 1 temperature measuring optical cable, described temperature measuring optical cable is placed in the cavity that described optical fiber cable surrounds.
Optical electrical hybrid cable the most according to claim 2, it is characterised in that described temperature measuring optical cable includes the plastics armour pipe with multiple poroid passage, temperature-measuring optical fiber is arranged at the poroid channel interior of described plastics armour pipe.
4. according to the optical electrical hybrid cable described in claim 1 or 3, it is characterised in that be enclosed with fiber braiding layer and water blocking tape successively in the outside of described plastics armour pipe；
Described fiber braiding layer is by aramid fiber and fiberglass braided forms.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that described first lapping layer is prepared from by polyester, polyolefin, PVC and/or nylon.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that be filled with aramid fiber between described first lapping layer and described optical fiber cable.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that described conductor uses that the silver-coated copper wire of many a diameter of 0.1mm is stranded to be formed, and lay is 16mm ~ 17mm.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that be disposed with wire sheathing, fiberglass braided layer and outer layer outside described insulating barrier.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that described electric power cable is provided centrally with the first obturator, described conductor is arranged around described first obturator；Described first obturator is glass fiber.
Optical electrical hybrid cable the most according to claim 1, it is characterised in that described second lapping layer includes the most successively: internal layer, flame-retardant layer, electrostatic screen layer, waterproof layer, metal armor layers, wearing layer, restrictive coating.
11. optical electrical hybrid cable according to claim 10, it is characterised in that described internal layer uses glass fibre to form with the braiding of ceramic silica gel strip machinery.
12. optical electrical hybrid cable according to claim 10, it is characterised in that described wearing layer uses coefficient of friction polymer between 0.15 ~ 0.25 to be prepared from.
13. optical electrical hybrid cable according to claim 1, it is characterised in that described internal layer, be provided with the second obturator between described first lapping layer and described electric power cable；Described second obturator is exotic material.
14. optical electrical hybrid cable according to claim 1, it is characterised in that described extrusion pressing type bar includes: waterproof rope and/or anti-flaming polypropylene.
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| CN201610365462.2A CN105913960B (en) | 2016-05-30 | 2016-05-30 | A kind of optical electrical hybrid cable |
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| CN201610365462.2A CN105913960B (en) | 2016-05-30 | 2016-05-30 | A kind of optical electrical hybrid cable |
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| CN105913960B CN105913960B (en) | 2018-03-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107203022A (en) * | 2017-05-25 | 2017-09-26 | 通鼎互联信息股份有限公司 | A kind of holey fiber optic cable |
| CN107230526A (en) * | 2017-05-24 | 2017-10-03 | 晋源电气集团股份有限公司 | A kind of warp resistance resistance to deformation power cable |
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| CN105913960B (en) | 2018-03-13 |
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