The content of the invention
The defects of in order to solve in the prior art, there is provided a kind of optical fiber cable and electric power cable to be mixed the mixed of installation
Zygonema cable, and the external diameter of mixing cable can be substantially reduced, and effectively protect optical fiber cable not damaged by external force.
According to an aspect of the present invention, there is provided a kind of optical electrical hybrid cable, the optical electrical hybrid cable include:At least 3
Root optical fiber cable, at least 6 electric power cables and 1 temperature measuring optical cable;
The optical fiber cable offsets setting two-by-two;The optical fiber cable includes the plastics armour pipe with multiple poroid passages,
Optical fiber is arranged at the poroid channel interior of the plastics armour pipe;
First lapping layer is centered around the outside of the optical fiber cable, and is closely connected with the optical fiber cable;
The electric power cable is adjacent to be centered around outside first lapping layer;All include in electric power cable described in each
More conductors;The conductor is surrounded by insulating barrier;
Second lapping layer is centered around the outside of the electric power cable, and is closely connected with the electric power cable;
The temperature measuring optical cable is placed in the center for the cavity that the optical fiber cable surrounds.
According to the specific embodiment of the present invention, the temperature measuring optical cable includes the plastics armour with multiple poroid passages
Pipe, temperature-measuring optical fiber are arranged at the poroid channel interior of the plastics armour pipe.
According to the another embodiment of the present invention, fibrage is enclosed with successively in the outside of the plastics armour pipe
Layer and water blocking tape;
The fiber braiding layer is by aramid fiber and fiberglass braided forms.
According to another embodiment of the present invention, first lapping layer is by polyester, polyolefin, PVC and/or Buddhist nun
Dragon is prepared.
According to another embodiment of the present invention, in first lapping layer, the optical fiber cable and described
Aramid fiber is filled between temperature measuring optical cable.
According to another embodiment of the present invention, the conductor uses more a diameter of 0.1mm silver-coated copper wire
It is twisted, lay is 16mm ~ 17mm.
According to another embodiment of the present invention, wire sheathing, glass are disposed with outside the insulating barrier
Glass fiber braiding layer and outer layer.
According to another embodiment of the present invention, the electric power cable is provided centrally with the first obturator, described
Conductor is set around first obturator;First obturator is glass fiber.
According to another embodiment of the present invention, second lapping layer includes successively from inside to outside:Internal layer, resistance
Fire layer, electrostatic screen layer, waterproof layer, metal armor layers, wearing layer, restrictive coating.
According to another embodiment of the present invention, the internal layer is using glass fibre and ceramic silica gel strip machinery
Braiding forms.
According to another embodiment of the present invention, the wearing layer is using coefficient of friction between 0.15 ~ 0.25
Polymer be prepared.
According to another embodiment of the present invention, the internal layer, first lapping layer and the power line
The second obturator is provided between cable;Second obturator is exotic material.
Optical electrical hybrid cable provided by the invention has power transmission and information transfer capability concurrently.By rationally setting power line
The position and layout of cable and optical fiber cable, the high effective integration of electric power cable and optical fiber cable is realized, effectively reduce photoelectricity mixing
The external diameter of optical cable, saves installing space.The knot of optical fiber cable and electric power cable in optical electrical hybrid cable provided by the invention
Structure is respectively provided with sandwich construction, and its layer structure respectively has feature.Inventor passes through the Bu Tong spy to optical fiber cable and electric power cable
Property research and experiment, different design is carried out to the structure of optical fiber cable and electric power cable.Technical scheme provided by the invention
Protection is strengthened to fragile very thin optical fiber, protects it from the influence of applied external force;Radiating, waterproof to electric power cable, jail
The performances such as soundness are also improved.The technical scheme not only adds the bulk life time of optical electrical hybrid cable, has saved artificial
And material cost.
In addition, the power transmission conductor during power transmission in electric power cable easily produces a large amount of heat energy at work,
And cause power line transmission failure.In order to solve the above problems, optical electrical hybrid cable provided by the invention also has cable for measuring temperature,
Being capable of real-time remote monitoring cable current-carrying fuel factor.Can be with the real-time temperature of effective monitoring photoelectricity composite cable by cable for measuring temperature
Degree, early warning is carried out before exception occurs;Trouble point can also be found the very first time after breaking down, shorten the repair time.
Embodiment
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be in different examples
Middle repeat reference numerals and/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various
Relation between embodiment and/or setting.It should be noted that part illustrated in the accompanying drawings is not drawn necessarily to scale.This hair
It is bright to eliminate the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
With reference to figure 1, Fig. 1 is shown according to an a kind of embodiment of optical electrical hybrid cable provided by the invention
Structural representation.The optical electrical hybrid cable includes:At least 3 optical fiber cables 10, at least 6 electric power cables 20 and 1 thermometric
Optical cable 30.
The optical fiber cable 10 offsets setting two-by-two, and the temperature measuring optical cable 30 is placed in three or multifiber cable 10 encloses
Into cavity center.To reach measurement and control of temperature of the temperature measuring optical cable 30 to optical electrical hybrid cable.Meanwhile the outer rim of temperature measuring optical cable 30
Offset with optical fiber cable 10, optical fiber cable 10 can also be supported while thermometric.
The optical fiber cable 10 includes the plastics armour pipe 11 with multiple poroid passages, and optical fiber 12 is arranged at the plastics armour
The poroid channel interior of pipe 11, as shown in Figure 2.Because optical fiber 12 itself has the characteristics that very thin, fragile, frangibility, therefore need
Special protection is carried out to it.The present invention is protected using the plastics armour pipe 11 with poroid passage to optical fiber 12, Neng Goubao
Barrier optical fiber is not destroyed by external force, and then ensures the smooth transmission of information.Similarly, because temperature measuring optical cable 30 is by temperature-measuring optical fiber group
Into it is therefore preferred that the temperature measuring optical cable 30 also includes the plastics armour pipe with multiple poroid passages, temperature-measuring optical fiber is arranged at institute
State the poroid channel interior of plastics armour pipe.
Optionally, the plastics armour pipe 11 can be selected such as polyvinyl chloride(PVC), polybutylene terephthalate(PBT)、
Polypropylene(PP), polyethylene(PE), thermoplastic polyester plastic(PBT), optical fiber modeling pipe and polyurethane(PU)Prepared Deng material.It is preferred that
, using low smoke and zero halogen(LSZH)Material prepares the plastics armour pipe 11, the material except can effectively protect optical fiber 12 not by
Outside external force is destroyed, also with flame-retarding characteristic.
Fiber braiding layer 13 and water blocking tape 14 are enclosed with successively in the outside of the plastics armour pipe 11.Wherein, it is preferred that institute
Fiber braiding layer 13 is stated by aramid fiber and fiberglass braided is formed.Aramid fiber(PPTA)Have
The premium properties such as superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, in light weight;Especially its good toughness, its toughness are steel wires
2 times.And glass fibre has the characteristics of strong good insulating, heat resistance, high mechanical strength;But shortcoming is that property is crisp, wearability compared with
Difference.Therefore aramid fiber and glass fibre being combined, the fiber braiding layer 13 of formation has not only had the two advantage concurrently,
And the defects of having evaded both, there is good insulating properties and ageing resistace, there is very long life cycle.
Preferably, the water blocking tape 14 is double-sided aluminum plastic composite band and extrudes vertical pack arrangement, the knot made of polyethylene
Structure can effectively protect optical fiber 12 away from moisture vapor, the normal work of guarantee optical fiber 12.Because whole photoelectricity composite cable has
Multilayer protection mechanism, therefore the thickness of water blocking tape 14 does not have to blocked up, certain protection so can be both carried out to optical fiber 12, and not
The external diameter of increase optical electrical hybrid cable that can be excessive.Preferably, the thickness of the water blocking tape 14 is 0.1mm ~ 0.15mm.
First lapping layer 40 is centered around the outside of the optical fiber cable 10, and is closely connected with the optical fiber cable 10.
Aramid fiber 15 is filled between first lapping layer 40, the optical fiber cable 10 and the temperature measuring optical cable 30.
Aramid fiber is used as a kind of high polymer in itself, has good mechanical property;It is and excellent heat resistance, wear-resistant
Property, chemical proofing and self lubricity;Low, the also certain anti-flammability of its coefficient of friction simultaneously.Additionally due to it is easy to add
Work, use as inserts and optical fiber cable 10 and temperature measuring optical cable 30 can both be protected, additionally it is possible to further reduce whole
The production cost of optical electrical hybrid cable.
Preferably, first lapping layer 40 is prepared by polyester, polyolefin, PVC and/or nylon.
The electric power cable 20 is adjacent to be centered around outside first lapping layer 40.As shown in Figure 3 and Figure 4, each institute
All include more conductors 21 in the electric power cable 20 stated.Preferably, the conductor 21 uses more a diameter of 0.1mm silver-plated copper
Line is twisted, and lay is 16mm ~ 17mm, such as:16mm, 16.5mm or 17mm.It is electrically isolated to realize, the conductor 21
Surrounded by insulating barrier 22.Optionally, the insulating barrier 22 can be prepared using polyvinyl chloride.Preferably, using perfluoroethylene
Bright alkene material prepares insulating barrier 22.The bright alkene insulating properties of perfluoroethylene is excellent, and anti-wear performance is good, not by operating ambient temperature, humidity,
The ectocines such as frequency, there is good arc resistance;Especially high and low temperature resistance is good, can be in -250 DEG C ~ 200 DEG C of temperature
Used steadily in the long term in section.
Preferably, wire sheathing 23, fiberglass braided layer 24 are also disposed with the outside of the insulating barrier 22
With outer layer 27.Wherein, wire sheathing 23 can use one or more metals in copper, lead, steel or aluminium to be prepared, right
Conductor 21 is further protected.Fiberglass braided layer 24 can play further insulation, heat-resisting, erosion-resisting effect.Outside
Layer 27 can use rubber or plastic material, further to be protected to conductor 21, while can also play insulation, strengthen it is resistance to
With the effect of property.Preferably, the outer layer 27 is prepared from the bright alkene of perfluoroethylene.
Preferably, the electric power cable 20 is provided centrally with the first obturator 25, and the conductor 21 surrounds described first
Obturator 25 is set.Wherein, first obturator 25 is prepared using glass material.The intensity of glass fiber is big, and cost is low, will
It is arranged on the center of electric power cable 20, and the conductor 21 around it can be played a supporting role, place conductor 21 by
Breakage is deformed after external force effect, is caused the accident.
Second lapping layer 50 is centered around the outside of the electric power cable 20, and is closely connected with the electric power cable 20.Such as
Shown in Fig. 5, second lapping layer 50 includes successively from inside to outside:Internal layer 51, flame-retardant layer 52, electrostatic screen layer 53, waterproof layer
54th, metal armor layers 55, wearing layer 56 and restrictive coating 57.
Wherein, the internal layer 51 is formed using glass fibre and ceramic silica gel strip machinery braiding.By above two material
The internal layer 51 that braiding forms is soft at normal temperatures, shock-absorbing shock resistance, and crust thermal insulation is good;Then formed more than 550 degree of temperature hard
Hard shell body, do not fall off after sintering, the ceramic body of formation does not shrink., can be right no matter in routine use or after there is accident
Electric power cable 20 provides effective protection.
Preferably, flame-retardant layer 52 is prepared using pvc material.Pvc material good insulation preformance, reliability is high,
Good flame resistance.Once generation fire accident, the flame-retardant layer 52 that polyvinyl chloride is formed can form the carburization zone of heat-insulated resistance oxygen to electricity
Line of force cable 20 is protected, and prevents burning away for flame.
The setting of electrostatic screen layer 53 can avoid influence of the external electrical field to electric power cable 20, can also avoid power line
Electric field is to external influence caused by cable 20.Preferably, the electrostatic screen layer 53 can be that the oil formed is brushed using paint
Enamelled coating;It can also be the metal knitted cap layer that metal wire knitted forms.
The setting of waterproof layer 54 is not only able to ensure that electric power cable 20 is not encroached on when there is external source leakage, can be with
Obstruct corrosion of the steam in air to electric power cable 20.Preferably, the waterproof layer 54 is double-sided aluminum plastic composite band and squeezed
Pack arrangement is indulged made of bag polyethylene.
Metal armor layers 55 are preferably prepared using metals such as copper, aluminium, especially aluminium light weight, are extraordinary metal armours
Fill layer 55 can material selection.
The wearing layer 56 is prepared using polymer of the coefficient of friction between 0.15 ~ 0.25.Wearing layer 56 is set
Put can effectively restriction effect in the external force on restrictive coating 57, such as bending force.Further, since polymer has waterproof special in itself
Property, therefore wearing layer 56 can also further function as the effect of waterproof.
Restrictive coating 57 is prepared using materials such as polyvinyl chloride, polyethylene.
Preferably, it is provided with second between the internal layer 51, first lapping layer 40 and the electric power cable 20
Obturator 26.Wherein, second obturator 26 is exotic material.Preferably, the exotic material is ceramics and/or carbon
Silicon nitride material.
Significantly, since high polymer species is various, and the difference between some materials is trickle, therefore institute of the present invention
The various materials selected are determined by after studying and test repeatedly by inventor, arbitrarily can not replace or change.
Optical electrical hybrid cable provided by the invention can realize high speed, the safe transmission of electric power and information simultaneously;Structure cloth
Office is rationally;It is easily installed;Cost is low;Long lifespan.
Although be described in detail on example embodiment and its advantage, it should be understood that do not depart from the present invention spirit and
In the case of protection domain defined in the appended claims, various change, substitutions and modifications can be carried out to these embodiments.It is right
In other examples, one of ordinary skill in the art should be readily appreciated that while keeping in the scope of the present invention, technique
The order of step can change.
In addition, the application of the present invention is not limited to technique, mechanism, the system of the specific embodiment described in specification
Make, material composition, means, method and step., will be easy as one of ordinary skill in the art from the disclosure
Ground understands, for current technique that is existing or will developing later, mechanism, manufacture, material composition, means, method or
Step, the knot that wherein they perform the function being substantially the same with the corresponding embodiment of the invention described or acquisition is substantially the same
Fruit, they can be applied according to the present invention.Therefore, appended claims of the present invention are intended to these techniques, mechanism, system
Make, material composition, means, method or step are included in its protection domain.