CN104867585A - Photoelectric composite cable - Google Patents
Photoelectric composite cable Download PDFInfo
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- CN104867585A CN104867585A CN201410064421.0A CN201410064421A CN104867585A CN 104867585 A CN104867585 A CN 104867585A CN 201410064421 A CN201410064421 A CN 201410064421A CN 104867585 A CN104867585 A CN 104867585A
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Abstract
The present invention belongs to the field of communication technology and discloses a photoelectric composite cable which comprises a live line cable, a ground line cable, an optical cable which comprises a single-core tight tube fiber and a single-core tight tube fiber sheath and a tensile reinforced layer which is arranged between the single-core tight tube fiber and the single-core tight tube fiber sheath, and at least two layers of sealed plastic sheathes which coat the cable bundle formed by the live line cable, the ground line cable and the optical cable. According to the photoelectric composite cable provided by the invention, the single-core tight tube fiber is used and is easy to cut, connect and shunt separately, at least two layers of sealed plastic sheaths are used to protect an electrical cable and the optical cable, firstly the protection performance of a multi-layer structure is good, secondly the photoelectric composite cable shape can be maintained in subsequent optical fiber connection, the reliability of photoelectric composite cable splice sealing can be improved, a fiber jumper box is not needed, and the problems of difficult wiring caused by the volume increase of a wire connection part is avoided finally.
Description
Technical field
The present invention relates to communication technical field, more specifically, relate to a kind of optoelectronic composite cable.
Background technology
Along with the high speed development of data communication technology and information technology, the requirement of network to comprehensive wiring system performance is more and more higher, and optoelectronic composite cable is applied in the wiring system of network more and more.After optoelectronic composite cable refers to and adds insulated electric conductor in cable configuration, light harvesting fibre and power transmission line are in the cable of one.Optoelectronic composite cable can solve equipment electricity consumption and signal transmission issues simultaneously, can also meet the related request of cable while remaining optical cable characteristic.
The oversheath protection effect of current optoelectronic composite cable is poor, optical patchcord box must be adopted to lock the oversheath of two sections of optoelectronic composite cables to eliminate the effect of additional tensile stress and shearing force when internal optical fiber and the electric wire docking of optoelectronic composite cable, adopt optical patchcord box that wiring can be caused complicated, wiring place volume increases, and then can increase wiring difficulty.Meanwhile, in current optoelectronic composite cable, many bare fibers concentrate in an optical fiber bundle tubes, and the optoelectronic composite cable of this structure is difficult to block simple optical fiber separately, along separate routes, the operation such as continue.And after optical fiber bundle tubes removed by above-mentioned optical fiber, bare fiber is too fragile rapid wear again, this cause further, difficulty high to simple optical fiber process complexity greatly, easily failure.
Summary of the invention
The object of this invention is to provide a kind of optoelectronic composite cable, comparatively large to solve in background technology the wiring place volume adopting optical patchcord box to cause, and the complexity that simple optical fiber process exists is high, difficulty large, easily failed problem.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The invention provides a kind of optoelectronic composite cable, comprising:
Fire wire cable, ground wire cable and optical cable, described optical cable comprises single core tight tube fiber, single core tight tube fiber crust and the tension enhancement layer be filled between described single core tight tube fiber and described single core tight tube fiber crust; And
At least two-layer envelope be coated on the cable bundle of described fire wire cable, ground wire cable and optical cable formation moulds sheath.
Preferably, in above-mentioned optoelectronic composite cable, on direction outside to inside, the outer surface that the described envelope being positioned at the second layer moulds sheath is provided with the texture moulding adhesion for increasing the envelope that continues.
Preferably, in above-mentioned optoelectronic composite cable, described optoelectronic composite cable also comprises the reinforcement being arranged on and sealing described in innermost layer and mould sheath center, and described fire wire cable, ground wire cable and optical cable layer twist or be uniformly distributed in the periphery of described reinforcement.
Preferably, in above-mentioned optoelectronic composite cable, described reinforcement comprises the insulating sleeve strengthened inner core and be coated on outside described reinforcement inner core.
Preferably, in above-mentioned optoelectronic composite cable, described optoelectronic composite cable also comprises many and strengthens rope, and many described reinforcement ropes are distributed in the gap of described cable bundle.
Preferably, in above-mentioned optoelectronic composite cable, described optoelectronic composite cable also comprises the twining package tape be wrapped on described cable bundle and the cable cream filler be filled between described twining package tape and described cable bundle.
Preferably, in above-mentioned optoelectronic composite cable, described optoelectronic composite cable also comprises the waterstop be wrapped on described cable bundle.
Preferably, in above-mentioned optoelectronic composite cable, described optical cable is many, and is provided with optical cable identification marking.
Preferably, in above-mentioned optoelectronic composite cable, described fire wire cable and ground wire cable are provided with corresponding cable identification marking.
Preferably, in above-mentioned optoelectronic composite cable, described tension enhancement layer is aramid fiber layer or glass yarn layer; Described single core tight tube fiber crust, the insulating sleeve of fire wire cable and the insulating sleeve of ground wire cable are made by polyvinylchloride material, low smoke and zero halogen LSZH material or polythene PE material, and described envelope is moulded sheath and is made up of polyvinylchloride material, low smoke and zero halogen LSZH material or PE material.
Optoelectronic composite cable provided by the invention adopts tool single core tight tube fiber rindy, the operations such as this kind of structure be easily independent blocks simple optical fiber, dock, shunt, also do not close on the impact of optical fiber or electric wire by other simultaneously, also can not impact the transmission of other optical fiber, solve that the single bare fiber process complexity described in background technology is high, problem that difficulty is large, easily failed.Simultaneously, above-mentioned optoelectronic composite cable adopts at least two-layer envelope to mould sheath and protects cable and optical cable, first sandwich construction barrier propterty is better, secondly follow-up carry out fiber alignment time can not only keep optoelectronic composite cable cable form, but also optoelectronic composite cable can be improved continue and seal the connection reliability moulded, namely after fiber alignment, jumper holders can be replaced by embedding and injection moulding means, without the need to adopting optical patchcord box, and then also can not cause the increase of wiring place volume, finally avoid because wiring place volume increases the difficult wiring problem caused.
Further, the outer surface that the second layer of optoelectronic composite cable provided by the invention envelope moulds sheath has specific texture structure, can realize reliably continuing.
Further, optoelectronic composite cable provided by the invention adds the portion of blocking water, and makes optoelectronic composite cable have good water resistance.
Further, optoelectronic composite cable provided by the invention adds reinforcement or strengthens rope, the tensile property of whole optoelectronic composite cable can be improved, and strengthen rope and also can fill the space being formed at optoelectronic composite cable inside due to optical cable negligible amounts, the mechanical property of final raising optoelectronic composite cable, avoids stress to concentrate.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the optoelectronic composite cable that the embodiment of the present invention one provides;
Fig. 2 is the structural representation of the optoelectronic composite cable that the embodiment of the present invention two provides;
Fig. 3 is the structural representation of the optoelectronic composite cable that the embodiment of the present invention three provides.
Embodiment
Embodiments provide a kind of optoelectronic composite cable, solve in background technology the wiring place volume adopting optical patchcord box to cause comparatively large, and the complexity that simple optical fiber process exists is high, difficulty large, easily failed problem.
Technical scheme in the embodiment of the present invention is understood better in order to make those skilled in the art person, and enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage become apparent more, below in conjunction with accompanying drawing, the technical scheme in the embodiment of the present invention is described in further detail.
Embodiment one
Please refer to the structural representation of the optoelectronic composite cable that accompanying drawing 1, Fig. 1 provides for the embodiment of the present invention one.The optoelectronic composite cable that the embodiment of the present invention one provides comprises fire wire cable 13, ground wire cable 11, optical cable 12 and at least two-layer envelope and moulds sheath, and preferably, internal layer envelope as shown in Figure 1 moulds sheath 15 and outer envelope moulds sheath 14.Wherein, internal layer envelope is moulded sheath 15 and is coated on the cable bundle of fire wire cable 13, ground wire cable 11 and optical cable 12 formation, outer envelope is moulded sheath 14 and is coated on internal layer envelope and moulds on sheath 15, and outer envelope is moulded sheath 14 and moulded sheath 15 with internal layer envelope and be detachably connected, and namely both can peel off.
In Fig. 1, envelope moulds sheath is inside and outside two-layer, and in order to improve the barrier propterty to cable (comprising fire wire cable 13 and ground wire cable 11) and optical cable 12, the optoelectronic composite cable that the present embodiment one provides can arrange more multi-layered envelope and mould sheath, is not limited to two-layer.Under normal circumstances, envelope is moulded sheath and can be adopted PVC(Polyvinyl chloride, polyvinyl chloride) material, LSZH(Low Smoke Zero Halogen, low smoke and zero halogen) material or PE(polyethylene, polyethylene) material makes.
In order to improve the reliability of sealing and moulding that continues of two sections of optoelectronic composite cables to be connected, the optoelectronic composite cable that the present embodiment one provides is on direction outside to inside, the outer surface that the envelope being positioned at the second layer moulds sheath is provided with the texture moulding adhesion for increasing the envelope that continues, such as screw thread texture, grid texture etc.Certainly, the above-mentioned envelope being positioned at the second layer moulds sheath can also arrange the texture of other shape to increase the adhesion when envelope that continues is moulded, and the present embodiment one is not restricted the shape of texture.In more preferred scheme, on direction outside to inside, under the outer surface moulding sheath in the envelope being positioned at the second layer arranges the prerequisite of texture, mould sheath except outermost envelope other envelope of moulding except sheath and also can texture be set, with increase further optoelectronic composite cable continue envelope mould time adhesion.
In the present embodiment one, cable (fire wire cable 13 and ground wire cable 11) can comprise copper core electric wire 131 and insulating sleeve 132, and insulating sleeve 132 material can be PVC material, LSZH material or PE material.In the optoelectronic composite cable that the present embodiment one provides, fire wire cable 13 and ground wire cable 11 all can be provided with cable identification marking, to avoid misconnection.Fire wire cable 13 and ground wire cable 11 can be distinguished by different colors, and such as fire wire cable 13 red line, ground wire cable 11 uses black.Above-mentioned fire wire cable 13 and ground wire cable 11 can also adopt other marks such as letter symbol to show differentiation.In like manner, when optical cable 12 is many, every root optical cable 12 is provided with optical cable identification marking, with anti-misconnection, such as colour code and words identification (such as numbering) etc.
In the present embodiment one, optical cable 12 comprises single core tight tube fiber 121 and single core tight tube fiber crust 123, the tension enhancement layer 122 be filled between single core tight tube fiber 121 and single core tight tube fiber crust 123 can also be comprised, according to industry internal standard, the thickness of normal conditions list core tight tube fiber crust 123 is 2mm.Tight tube fiber is a type of optical fiber, and be a kind of conventional optical fiber kind coated fiber being protected to rear formation, the tight tube fiber in the present embodiment one is single core tight tube fiber 121.Above-mentioned tension enhancement layer 122 for strengthening the tensile property of optoelectronic composite cable, tension enhancement layer 122 can for aramid yarn formed aramid fiber layer or organdy formed glass yarn layer.Certainly, tension enhancement layer 122 can also be made up of other material, and the non-confrontational material of enhancement layer 122 of drawing of the present embodiment one is restricted.
In another execution mode of the present embodiment, optoelectronic composite cable can also comprise the portion of blocking water, and makes optoelectronic composite cable have good water resistance.Please refer again to accompanying drawing 1, the portion of blocking water can comprise the twining package tape 16 be wrapped on cable bundle and the cable cream filler 17 be filled between twining package tape 16 and cable bundle, and twining package tape 16 plays the effect of fixing fire wire cable 13, ground wire cable 11 and optical cable 12.The material that twines that twining package tape 16 can adopt nonwoven fabrics, glass fabric equal strength higher makes.Between twining package tape 16 and cable bundle, fill cable cream filler 17 before twining package tape 16 has been wound around, good waterproof action can be played.The portion of blocking water can also adopt both had had the cable bundle function that is coated and fixed, and the waterstop of water-proof function can be provided again to replace above-mentioned twining package tape 16 and cable cream filler 17, and the material of above-mentioned waterstop can for the organic fiber containing self-expanding water-absorbing resin.
Known by above-mentioned description, the optoelectronic composite cable that the present embodiment one provides adopts tool single core tight tube fiber 121 rindy, the operations such as this kind of structure be easily independent blocks simple optical fiber, dock, shunt, also do not close on the impact of optical fiber or electric wire by other simultaneously, also can not impact the transmission of other optical fiber, solve that the single bare fiber process complexity described in background technology is high, problem that difficulty is large, easily failed.Simultaneously, above-mentioned optoelectronic composite cable adopts at least two-layer envelope to mould sheath and protects cable and optical cable, first sandwich construction barrier propterty is better, secondly follow-up carry out fiber alignment time can not only keep optoelectronic composite cable cable form, but also optoelectronic composite cable can be improved continue and seal the connection reliability moulded, namely after fiber alignment, jumper holders can be replaced by embedding and injection moulding means, without the need to adopting optical patchcord box, and then also can not cause the increase of wiring place volume, finally avoid because wiring place volume increases the difficult wiring problem caused.
Further, the outer surface that the second layer of the optoelectronic composite cable that the present embodiment provides envelope moulds sheath has specific texture structure, can realize reliably continuing.
Further, the optoelectronic composite cable that the present embodiment provides adds the portion of blocking water, and makes optoelectronic composite cable have good water resistance.
Embodiment two
In the process of wiring, optoelectronic composite cable can be subject to larger drag force usually, can damage optoelectronic composite cable to a certain extent like this, in order to head it off, please refer to the structural representation of the optoelectronic composite cable that accompanying drawing 2, Fig. 2 provides for the embodiment of the present invention two.
The optoelectronic composite cable that the embodiment of the present invention two provides comprises fire wire cable 23, ground wire cable 28, optical cable 22, reinforcement 21 and at least two-layer envelope and moulds sheath.Preferably, internal layer envelope as shown in Figure 2 moulds sheath 25 and outer envelope moulds sheath 24.Wherein, internal layer envelope is moulded sheath 25 and is coated on the cable bundle of fire wire cable 23, ground wire cable 28 and optical cable 22 formation, outer envelope is moulded sheath 24 and is coated on internal layer envelope and moulds on sheath 25, and outer envelope is moulded sheath 24 and moulded sheath 25 with internal layer envelope and be detachably connected, and namely both can peel off.In Fig. 2, envelope moulds sheath is inside and outside two-layer, and in order to improve the barrier propterty to cable (comprising fire wire cable 23 and ground wire cable 28) and optical cable 22, the optoelectronic composite cable that the present embodiment two provides can arrange more multi-layered envelope and mould sheath, is not limited to two-layer.Under normal circumstances, envelope is moulded sheath PVC material, LSZH material or PE material can be adopted to make.
In order to improve the reliability of sealing and moulding that continues of two sections of optoelectronic composite cables to be connected, the optoelectronic composite cable that the present embodiment two provides is on direction outside to inside, the outer surface that the envelope being positioned at the second layer moulds sheath is provided with the texture moulding adhesion for increasing the envelope that continues, such as screw thread texture, grid texture etc.Certainly, the envelope of the above-mentioned second layer is moulded sheath and can also be arranged the texture of other shape to increase the adhesion when envelope that continues is moulded, and the present embodiment two is not restricted the shape of texture.In more preferred scheme, on direction outside to inside, under the outer surface moulding sheath in the envelope being positioned at the second layer arranges the prerequisite of texture, mould sheath except outermost envelope other envelope of moulding except sheath and also can texture be set, with increase further optoelectronic composite cable continue envelope mould time adhesion.
In the present embodiment two, cable (fire wire cable 23 and ground wire cable 28) can comprise copper core electric wire 231 and insulating sleeve 232, and insulating sleeve 232 material can be PVC material, LSZH material or PE material.In the optoelectronic composite cable that the present embodiment two provides, fire wire cable 23 and ground wire cable 28 all can be provided with cable identification marking, to avoid misconnection.Fire wire cable 23 and the different color of ground wire cable 28 are distinguished under normal circumstances, and such as fire wire cable 23 red line, ground wire cable 28 uses black.Above-mentioned fire wire cable 23 and ground wire cable 28 can also adopt other marks such as letter symbol to show differentiation.In like manner, when optical cable 22 is many, every root optical cable 22 is provided with optical cable identification marking, with anti-misconnection, such as colour code and words identification (such as numbering) etc.
In the present embodiment two, optical cable 22 comprises single core tight tube fiber 221 and single core tight tube fiber crust 223, the tension enhancement layer 222 be filled between single core tight tube fiber 221 and single core tight tube fiber crust 223 can also be comprised, according to industry internal standard, the thickness of normal conditions list core tight tube fiber crust 223 is 2mm.Tight tube fiber is a type of optical fiber, and be a kind of conventional optical fiber kind coated fiber being protected to rear formation, the tight tube fiber in the present embodiment two is single core tight tube fiber 221.Above-mentioned tension enhancement layer 222 is for strengthening the tensile property of optoelectronic composite cable.Under normal circumstances, tension enhancement layer 222 can for aramid yarn formed aramid fiber layer or organdy formed glass yarn layer.Certainly, tension enhancement layer 222 can also be made up of other material, and the non-confrontational material of enhancement layer 222 of drawing of the present embodiment two is restricted.
Reinforcement 21 is positioned at innermost layer envelope and moulds sheath center, and fire wire cable 23, ground wire cable 28 and optical cable 22 can twist or be uniformly distributed in the periphery of reinforcement 21 by layer, to ensure the uniformity that cable distributes, reduce wiring stress.Reinforcement 21 in the present embodiment two can comprise to be strengthened inner core 211 and is coated on the insulating sleeve 212 strengthened outside inner core 211, strengthen the Main Function that inner core 211 plays tension, insulating sleeve 212, for hindering electricity, ensures that whole cable has certain pliability simultaneously.Reinforcement inner core 211 in the present embodiment two can be single core or multicore steel wire, while guaranteeing stretching resistance, makes whole optoelectronic composite cable have certain pliability.Certainly, above-mentioned reinforcement 21 also can be the reinforcement of non-metallic material making.
In another execution mode of the present embodiment, optoelectronic composite cable can also comprise the portion of blocking water, and makes optoelectronic composite cable have good water resistance.Please refer again to accompanying drawing 2, the portion of blocking water can comprise the twining package tape 26 be wrapped on cable bundle and the cable cream filler 27 be filled between twining package tape 26 and cable bundle, and twining package tape 26 plays the effect of fixing fire wire cable 23, ground wire cable 28 and optical cable 22.The material that twines that twining package tape 26 can adopt nonwoven fabrics, glass fabric equal strength higher makes.Between twining package tape 26 and cable bundle, fill cable cream filler 27 before twining package tape 26 has been wound around, good waterproof action can be played.The portion of blocking water can also adopt both had had the cable bundle function that is coated and fixed, and the waterstop of water-proof function can be provided again to replace above-mentioned twining package tape 26 and cable cream filler 27, and the material of above-mentioned waterstop can for the organic fiber containing self-expanding water-absorbing resin.
Known by above-mentioned description, the optoelectronic composite cable that the present embodiment two provides adopts tool single core tight tube fiber 221 rindy, the operations such as this kind of structure be easily independent blocks simple optical fiber, dock, shunt, also do not close on the impact of optical fiber or electric wire by other simultaneously, also can not impact the transmission of other optical fiber, solve that the single bare fiber process complexity described in background technology is high, problem that difficulty is large, easily failed.Simultaneously, above-mentioned optoelectronic composite cable adopts at least two-layer envelope to mould sheath and protects cable and optical cable, first sandwich construction barrier propterty is better, secondly follow-up carry out fiber alignment time can not only keep composite rope cable form, but also can improve optoelectronic composite cable envelope mould the connection reliability continued, namely after fiber alignment, jumper holders can be replaced by embedding and injection moulding means, without the need to adopting optical patchcord box, and then also can not cause the increase of wiring place volume, finally avoid because wiring place volume increases the difficult wiring problem caused.
Further, the outer surface that the second layer of the optoelectronic composite cable that the present embodiment provides envelope moulds sheath has specific texture structure, can realize reliably continuing.
Further, the optoelectronic composite cable that the present embodiment provides adds the portion of blocking water, and makes optoelectronic composite cable have good water resistance.
And on the basis with above-mentioned beneficial effect, the optoelectronic composite cable that the present embodiment provides adds reinforcement 21, can improve the tensile property of whole optoelectronic composite cable.
Embodiment three
As negligible amounts (such as one) of optical cable, the reinforcement being arranged in optoelectronic composite cable center is also not enough to the space filled up in optoelectronic composite cable, this can affect the mechanical property of optoelectronic composite cable, be easy to cause stress to be concentrated, in order to head it off, please refer to the structural representation of the optoelectronic composite cable that accompanying drawing 3, Fig. 3 provides for the embodiment of the present invention three.
The optoelectronic composite cable that the present embodiment three provides comprises: fire wire cable 33, ground wire cable 38, optical cable 32, at least two-layer envelope are moulded sheath and be positioned at the many reinforcement ropes 31 that innermost layer envelope moulds sheath.Preferably, it is two-layer that envelope as shown in Figure 3 moulds sheath, is respectively internal layer envelope and moulds sheath 35 and outer envelope moulds sheath 34.Wherein, internal layer envelope is moulded sheath 35 and is coated on the cable bundle of fire wire cable 33, ground wire cable 38 and optical cable 32 formation, outer envelope is moulded sheath 34 and is coated on internal layer envelope and moulds on sheath 35, and outer envelope is moulded sheath 34 and moulded sheath 35 with internal layer envelope and be detachably connected, and namely both can peel off.In the present embodiment three, envelope moulds sheath is inside and outside two-layer, in order to improve the barrier propterty to cable (comprising fire wire cable 33 and ground wire cable 38) and optical cable 32, the optoelectronic composite cable that the present embodiment three provides can arrange more multi-layered envelope and mould sheath, is not limited to two-layer.Under normal circumstances, envelope is moulded sheath PVC material, LSZH material or PE material can be adopted to make.
In order to improve the reliability of sealing and moulding that continues of two sections of optoelectronic composite cables to be connected, the optoelectronic composite cable that the present embodiment three provides is on direction outside to inside, the outer surface that the envelope being positioned at the second layer moulds sheath is provided with and continues the texture that envelope moulds adhesion, such as screw thread texture, grid texture etc. for increasing.Certainly, the envelope of the above-mentioned second layer is moulded sheath and can also be arranged the texture of other shape to increase the adhesion when envelope that continues is moulded, and the present embodiment three is not restricted the shape of texture.In more preferred scheme, on direction outside to inside, under the outer surface moulding sheath in the envelope being positioned at the second layer arranges the prerequisite of texture, mould sheath except outermost envelope other envelope of moulding except sheath and also can texture be set, with increase further optoelectronic composite cable continue envelope mould time adhesion.
In the present embodiment three, cable (fire wire cable 33 and ground wire cable 38) can comprise copper core electric wire 331 and insulating sleeve 332, and insulating sleeve 332 material can be PVC material, LSZH material or PE material.In the optoelectronic composite cable that the present embodiment three provides, fire wire cable 33 and ground wire cable 38 all can be provided with cable identification marking, to avoid misconnection.Fire wire cable 33 and the different color of ground wire cable 38 are distinguished under normal circumstances, and such as fire wire cable 33 red line, ground wire cable 38 uses black.Above-mentioned fire wire cable 33 and ground wire cable 38 can also adopt other marks such as letter symbol to show differentiation.In like manner, when optical cable 32 is many, every root optical cable 32 is provided with optical cable identification marking, with anti-misconnection, such as colour code and words identification (such as numbering) etc.
In the present embodiment three, optical cable 32 comprises single core tight tube fiber 321 and single core tight tube fiber crust 323, the tension enhancement layer 322 be filled between single core tight tube fiber 321 and single core tight tube fiber crust 323 can also be comprised, according to industry internal standard, the thickness of normal conditions list core tight tube fiber crust 323 is 2mm.Tight tube fiber is a type of optical fiber, and be a kind of conventional optical fiber kind coated fiber being protected to rear formation, the tight tube fiber in the present embodiment three is single core tight tube fiber 321.Above-mentioned tension enhancement layer 322 for strengthening the tensile property of optoelectronic composite cable, under normal circumstances, tension enhancement layer 322 can for aramid yarn formed aramid fiber layer or organdy formed glass yarn layer.Certainly, tension enhancement layer 322 can also be made up of other material, and the non-confrontational material of enhancement layer of drawing of the present embodiment is restricted.
Many reinforcement ropes 31 are positioned at innermost layer envelope and mould sheath, strengthen the gap that rope 31 can be distributed in the cable bundle that fire wire cable 33, ground wire cable 38 and optical cable 32 are formed, while strengthening the tensile property of optoelectronic composite cable, the space being formed at optoelectronic composite cable inside because optical cable 32 is less can be filled preferably, avoid the more poor mechanical property brought of optoelectronic composite cable internal voids, the problem that stress is concentrated.Reinforcement rope 31 in the present embodiment three can adopt the materials such as polyester belt, tinfoil paper band, aramid fiber yarn, glass fiber to make.
In another execution mode of the present embodiment, optoelectronic composite cable can also comprise the portion of blocking water, and makes optoelectronic composite cable have good water resistance.Please refer again to accompanying drawing 3, the portion of blocking water can comprise the twining package tape 36 be wrapped on cable bundle and the cable cream filler 37 be filled between twining package tape 36 and cable bundle, and twining package tape 36 plays the effect of fixing fire wire cable 33, ground wire cable 38 and optical cable 32.The material that twines that twining package tape 36 can adopt nonwoven fabrics, glass fabric equal strength higher makes.Between twining package tape 36 and cable bundle, fill cable cream filler 37 before twining package tape 36 has been wound around, good waterproof action can be played.The portion of blocking water can also adopt both had had the cable bundle function that is coated and fixed, and the waterstop of water-proof function can be provided again to replace above-mentioned twining package tape 36 and cable cream filler 37, and the material of above-mentioned waterstop can for the organic fiber containing self-expanding water-absorbing resin.
Known by above-mentioned description, the optoelectronic composite cable that the present embodiment three provides adopts tool single core tight tube fiber 321 rindy, this kind of structure with regard to blocking simple optical fiber easily separately, docking, the operation such as shunt, also do not close on the impact of optical fiber or electric wire by other simultaneously, also can not impact the transmission of other optical fiber, solve that the single bare fiber process complexity described in background technology is high, problem that difficulty is large, easily failed.Simultaneously, above-mentioned optoelectronic composite cable adopts at least two-layer envelope to mould sheath and protects cable and optical cable, first sandwich construction barrier propterty is better, secondly follow-up carry out fiber alignment time can not only keep optoelectronic composite cable cable form, optoelectronic composite cable sealing-in can also be improved and continue the connection reliability moulded, namely after fiber alignment, jumper holders can be replaced by embedding and injection moulding means, without the need to adopting optical patchcord box, and then also can not cause the increase of wiring place volume, finally avoid because wiring place volume increases the problem of the difficult wiring caused.
Further, the outer surface that the second layer of the optoelectronic composite cable that the present embodiment provides envelope moulds sheath has specific texture structure, can realize reliably continuing.
Further, the optoelectronic composite cable that the present embodiment provides adds the portion of blocking water, and makes optoelectronic composite cable have good water resistance.
And on the basis reaching above-mentioned beneficial effect, the optoelectronic composite cable that the present embodiment provides adds many and strengthens rope 31, the tensile property of whole optoelectronic composite cable can be improved, also can fill the space being formed at optoelectronic composite cable inside due to optical cable negligible amounts simultaneously, the mechanical property of final raising optoelectronic composite cable, avoids stress to concentrate.
It should be noted that, in the embodiment of the present invention one-embodiment three, single core tight tube fiber can environmentally arrange its size, and employing diameter is single core tight tube fiber of 0.9mm usually.
In the optoelectronic composite cable that above-described embodiment one-embodiment three provides, at least two-layer envelope is moulded in sheath, every one deck seals the hardness of moulding sheath can be different, ensure that whole optoelectronic composite cable has on certain flexible basis, farthest strengthen the ability that optoelectronic composite cable keeps cable form.
Above-described embodiment one-embodiment three is some specific embodiments that the present invention announces, between parts different between each embodiment only otherwise contradiction, combination in any can form new embodiment, and these embodiments are all in category disclosed in the embodiment of the present invention.
Above-described embodiment of the present invention, does not form limiting the scope of the present invention.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. optoelectronic composite cable, is characterized in that, comprising:
Fire wire cable, ground wire cable and optical cable, described optical cable comprises single core tight tube fiber, single core tight tube fiber crust and the tension enhancement layer be filled between described single core tight tube fiber and described single core tight tube fiber crust; And
At least two-layer envelope be coated on the cable bundle of described fire wire cable, ground wire cable and optical cable formation moulds sheath.
2. optoelectronic composite cable according to claim 1, is characterized in that, on direction outside to inside, the outer surface that the described envelope being positioned at the second layer moulds sheath is provided with the texture moulding adhesion for increasing the envelope that continues.
3. optoelectronic composite cable according to claim 1, it is characterized in that, described optoelectronic composite cable also comprises the reinforcement being arranged on and sealing described in innermost layer and mould sheath center, and described fire wire cable, ground wire cable and optical cable layer twist or be uniformly distributed in the periphery of described reinforcement.
4. optoelectronic composite cable according to claim 3, is characterized in that, described reinforcement comprises the insulating sleeve strengthened inner core and be coated on outside described reinforcement inner core.
5. optoelectronic composite cable according to claim 1, is characterized in that, described optoelectronic composite cable also comprises many and strengthens rope, and many described reinforcement ropes are distributed in the gap of described cable bundle.
6. optoelectronic composite cable according to claim 1, is characterized in that, described optoelectronic composite cable also comprises the twining package tape be wrapped on described cable bundle and the cable cream filler be filled between described twining package tape and described cable bundle.
7. optoelectronic composite cable according to claim 1, is characterized in that, described optoelectronic composite cable also comprises the waterstop be wrapped on described cable bundle.
8. optoelectronic composite cable according to claim 1, is characterized in that, described optical cable is many, and is provided with optical cable identification marking.
9. optoelectronic composite cable according to claim 1, is characterized in that, described fire wire cable and ground wire cable are provided with corresponding cable identification marking.
10. according to the optoelectronic composite cable in claim 1-9 described in any one, it is characterized in that, described tension enhancement layer is aramid fiber layer or glass yarn layer; Described single core tight tube fiber crust, the insulating sleeve of fire wire cable and the insulating sleeve of ground wire cable are made by polyvinylchloride material, low smoke and zero halogen LSZH material or polythene PE material, and described envelope is moulded sheath and is made up of polyvinylchloride material, low smoke and zero halogen LSZH material or PE material.
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| CN201410064421.0A CN104867585A (en) | 2014-02-25 | 2014-02-25 | Photoelectric composite cable |
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| CN201410064421.0A CN104867585A (en) | 2014-02-25 | 2014-02-25 | Photoelectric composite cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106842460A (en) * | 2017-04-11 | 2017-06-13 | 李晓强 | A kind of central tubular fire-retardant cable |
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| CN110767372A (en) * | 2019-11-04 | 2020-02-07 | 江苏亨通线缆科技有限公司 | Photoelectric composite cable for 5G base station |
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Application publication date: 20150826 |