CN104867613A - Copper conductor three-electric three-optical hybrid cable used for plurality of RRUs - Google Patents
Copper conductor three-electric three-optical hybrid cable used for plurality of RRUs Download PDFInfo
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- CN104867613A CN104867613A CN201510242369.8A CN201510242369A CN104867613A CN 104867613 A CN104867613 A CN 104867613A CN 201510242369 A CN201510242369 A CN 201510242369A CN 104867613 A CN104867613 A CN 104867613A
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Abstract
The invention discloses a copper conductor three-electric three-optical hybrid cable used for a plurality of RRUs. The copper conductor three-electric three-optical hybrid cable comprises an outer sheath arranged at the outmost layer, and three sets of electric units and three sets of optical units which are covered in the internal part of the outer sheath. The three sets of electric units is characterized in that the first set of electric unit comprises one power supply wire arranged at the center position of the hybrid cable, the second set of electric unit comprises two power supply wires arranged around the power supply wire at the center position, and the third set of electric unit comprises three power wires arranged around the power supply wire at the center position. The optical unit is a two-core single-mode optical fiber. The power supply wire comprises a copper conductor arranged at the center of the power supply wire and a conductor insulating layer covering the copper conductor. The copper conductor three-electric three-optical hybrid cable used for the plurality of RRUs is high in transmission efficiency, high in capacity expanding capability and low in energy loss.
Description
Technical field
The invention belongs to communication technical field, relate to a kind of optoelectronic integration transmission system element, be specifically related to the electric three light mixing cables of a kind of copper conductor three for multiple RRU.
Background technology
3G network uses distribution-type base station architecture in a large number, need with Fiber connection, and a BBU can support multiple RRU between RRU (radio frequency remoto module) and BBU (baseband processing unit).Now in the art, usually adopt BBU+RRU Multi channel, the in-door covering problem of large stadium can be solved.Base band BBU concentrates and is placed on machine room, and RRU can be mounted to each floor, adopts Optical Fiber Transmission between BBU and RRU, and RRU is connected to antenna by cable and coupler, and namely BBU+RRU Multi channel trunk adopts optical fiber, and branch road adopts coaxial cable.
BBU+RRU Multi channel be in real time need independent wiring is carried out to a large amount of optical fiber and cable, the complicated of circuit needs larger space on the one hand, affect the usable floor area of space, need more resource and manpower on the other hand, relatively economical cost is higher.Therefore, in multiple RRU, need now lower, the easy processing of a kind of cost and convenient wiring and the cable installed, this cable has the multi-functional feature of a cable, can electric energy transmitting and signal simultaneously.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of can the electric three light mixing cables of the copper conductor three for multiple RRU of fast transport signal and electric energy.
For achieving the above object, technical scheme of the present invention is as follows:
The electric three light mixing cables of a kind of copper conductor three for multiple RRU, it comprises and is arranged on outermost oversheath, is wrapped in three groups of electric units of described oversheath inside and three groups of light unit, described three groups of electric units comprise: first group of electric unit is the power line being located at mixing cable center, second group of electric unit is two power lines be located at around the power line of described center, and the 3rd group of electric unit is three power lines be arranged on around the power line of described center; Described smooth unit is two core monomode fibers; Described power line comprises: be arranged on the copper conductor at described power line center and be wrapped in the insulating layer of conductor of described copper conductor.
Preferably, the arrangement mode of nine power lines of described three groups of electric units and three two core monomode fibers of three groups of light unit is: a power line of first group of electric unit is arranged on the center of described mixing cable, three power line intervals of two power lines of described second group of electric unit and the 3rd group of electric unit are arranged, described three two core monomode fiber continuous arrangements, two power lines of described three two core monomode fibers and described second group of electric unit and three power lines of the 3rd group of electric unit surround annulus.
Preferably, described two core monomode fibers comprise from outside to inside successively: low smoke and zero halogen sheath and arrange two of described low smoke and zero halogen sheath inside independently optical fiber, fill up aramid fiber filler in the space of described low smoke and zero halogen sheath and described two independently optical fiber.
Preferably, described two independently optical fiber arranged tangential is inner at described low smoke and zero halogen sheath, described optical fiber comprises from outside to inside successively: subelement low smoke and zero halogen sheath, aramid fiber layer, low smoke and zero halogen tightly packaged fiber, described aramid fiber layer wraps up described low smoke and zero halogen tightly packaged fiber, and described subelement subelement low smoke and zero halogen sheath wraps up described aramid fiber layer.
Preferably, also comprise waterstop lapping layer, the described waterstop lapping layer described three groups of electric units of parcel and three groups of light unit, described waterstop lapping layer is arranged on inside described oversheath.
Preferably, copper mesh woven shield is provided with between described waterstop lapping layer and described oversheath.
Preferably, PP packing material is all filled up in described waterstop lapping layer and the gap between described three groups of electric units and three groups of light unit.
Preferably, described oversheath is outer protective polyethylene cover, and the wall thickness of described outer protective polyethylene cover is 1.85mm.
Preferably, the sectional area of described copper conductor is 8mm
2, described insulating layer of conductor is polyvinyl chloride insulation layer, and the external diameter of described insulating layer of conductor is 5.5mm, and the thickness of described insulating layer of conductor is 0.9mm.
The invention has the beneficial effects as follows:
One, photoelectric mixed cable of the present invention are because have the functional characteristics of multi-purpose, in the process of constructing wiring and installation, only need one to mix cable namely to can be remote equipment and carry out power supply and communicate with signal, save a large amount of manpower and resources costs, there is higher economic benefit.
Two, the electric three light mixing cables of the copper conductor three for multiple RRU of the present invention, the delivery of electrical energy efficiency of its copper conductor is relatively high, is adapted in multiple RRU technology.
Three, the electric three light mixing cables of the copper conductor three for multiple RRU of the present invention, its transmission efficiency of transmission is high, and dilatation ability is large, and energy loss is little.
Four, the electric three light mixing cables of the copper conductor three for multiple RRU of the present invention, wherein three groups of light unit take separate form, greatly reduce the interference between user on different passage.
Five, the electric three light mixing cables of the copper conductor three for multiple RRU of the present invention, its Structure adaptation disposes feature flexibly in multiple RRU, because this mixing cable is that photoelectricity transmits simultaneously, optical fiber is not easy to damage.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is cross section structure schematic diagram of the present invention.
Fig. 2 is the cross section structure schematic diagram of light unit in Fig. 1.
Fig. 3 is the cross section structure schematic diagram of electric unit in Fig. 1.
Wherein, 1-oversheath (outer protective polyethylene cover), 2-copper mesh woven shield, 3-waterstop lapping layer, 4-PP packing material, 5-electric unit, 51-first group of electric unit, 52-second group of electric unit, 53-the 3rd group of electric unit, 501-copper conductor, 502-insulating layer of conductor, 6-light unit (two core monomode fibers), 60-optical fiber, 601-low smoke and zero halogen tightly packaged fiber, 602-aramid fiber layer, 603-subelement low smoke and zero halogen sheath, 604-low smoke and zero halogen sheath, 605-aramid fiber filler.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Disclose the electric three light mixing cables of a kind of copper conductor three for multiple RRU in the present embodiment, it comprises from outside to inside successively: oversheath 1, copper mesh woven shield 2, waterstop lapping layer 3, three groups of light unit 6, three groups of electric units 5 and PP packing material 4.
In the present embodiment, the structure of each part mentioned above as shown in fig. 1, being arranged on outermost is an oversheath 1, what be arranged on above-mentioned oversheath 1 inside is copper mesh woven shield 2, what be arranged on above-mentioned copper mesh woven shield 2 inside is waterstop lapping layer 3, above-mentioned waterstop lapping layer 3 is wrapped in three groups of light unit 6 and three groups of electric units 5, and above-mentioned waterstop lapping layer 3 and the space between three groups of light unit 6 and three groups of electric units 5 are filled up by PP packing material 4.
In the present embodiment, above-mentioned smooth unit is two core monomode fibers, above-mentioned three groups of electric units 5 comprise altogether nine power lines, the structure of nine power lines is all identical with diameter, but for the ease of differentiation function during installation with in the distribution mixing structure in cable, above-mentioned nine power lines are divided into three groups: first group of electric unit 51 for being located at a power line of mixing cable center, second group of electric unit 52 is for being located at two power lines around the power line of above-mentioned center, and the 3rd group of electric unit 53 is for being arranged on three power lines around the power line of above-mentioned center.
The arrangement mode of nine power lines of above-mentioned three groups of electric units and three two core monomode fibers of three groups of light unit is: a power line of first group of electric unit 51 is arranged on the center of above-mentioned mixing cable, three power line intervals of two power lines of above-mentioned second group of electric unit 52 and the 3rd group of electric unit 53 are arranged, above-mentioned three two core monomode fiber 6 continuous arrangements, above-mentioned three two core monomode fibers 6 surround annulus with two power lines of above-mentioned second group of electric unit 52 and three power lines of the 3rd group of electric unit 53.
Said power comprises: be arranged on the copper conductor 501 at said power center and be wrapped in the insulating layer of conductor 502 of above-mentioned copper conductor.
The sectional area of above-mentioned copper conductor 501 is 8mm
2, above-mentioned insulating layer of conductor 502 is 90 DEG C of polyvinyl chloride insulation layers, and the external diameter of above-mentioned insulating layer of conductor 502 is 5.5mm, and the thickness of above-mentioned insulating layer of conductor 502 is 0.9mm.
In the present embodiment, adopt copper conductor 501 as conductor, its electrical efficiency is high, and coordinates with above-mentioned smooth unit 6, achieves multi-purpose, especially in many RRU field, can signal transmission again can electric energy transmitting.
As shown in Figure 2, above-mentioned smooth unit 6 is two core monomode fibers, above-mentioned two core monomode fibers 6 comprise from outside to inside successively: low smoke and zero halogen sheath 604 and arrange two of above-mentioned low smoke and zero halogen sheath inside independently optical fiber 60, above-mentioned two independently optical fiber 60 in low smoke and zero halogen sheath 604 inside in the arrangement of tangent arrangement mode.Further, fill up aramid fiber filler 605 between above-mentioned low smoke and zero halogen sheath 604 and above-mentioned optical fiber 60, that concrete is aramid fiber 1100D*3.
Above-mentioned optical fiber 60 comprises from outside to inside successively: subelement low smoke and zero halogen sheath 603, aramid fiber layer 602 and low smoke and zero halogen tightly packaged fiber 601, above-mentioned low smoke and zero halogen tightly packaged fiber 601 arranges at the over center position, above-mentioned low smoke and zero halogen tightly packaged fiber 601 outer wrap aramid fiber layer 602, above-mentioned aramid fiber layer 602 outer wrap subelement low smoke and zero halogen sheath 603.
In the present embodiment, the mode field diameter of the optical fiber of above-mentioned smooth unit 6 is 8.6-9.5 μm, and cladding diameter is 125 μm ± 0.7, coat diameter 245 ± 10 μm, tight cladding outer diameter 0.9 ± 0.05mm.
In the present embodiment, above-mentioned oversheath 1 is outer protective polyethylene cover, has anti-ultraviolet premium properties, is suitable for the outer sheath material of electric wire, and the wall thickness of above-mentioned outer protective polyethylene cover is 1.85mm.
Above-mentioned mixing cable utilizes the structure of photoelectric mixed cable, coordinates subscriber terminal equipment can realize cable electric energy transmitting and signal simultaneously; And the electrical property of copper conductor material is good compared with the electrical property of other conductor material.
The electric three light mixing cables of copper conductor three for multiple RRU of the present invention, its transmission efficiency of transmission is high, and dilatation ability is large, and energy loss is little; Wherein three groups of light unit take separate form, greatly reduce the interference between user on different passage; The Structure adaptation of three electric three light disposes feature flexibly in multiple RRU, especially solves in multiple RRU, because need to increase photoelectric conversion unit to realize opto-electronic conversion, causes the problem of optical fibre damage.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. the electric three light mixing cables of the copper conductor three for multiple RRU, it comprises and is arranged on outermost oversheath, is wrapped in three groups of electric units of described oversheath inside and three groups of light unit, it is characterized in that, described three groups of electric units comprise: first group of electric unit is the power line being located at mixing cable center, second group of electric unit is two power lines be located at around the power line of described center, and the 3rd group of electric unit is three power lines be arranged on around the power line of described center; Described smooth unit is two core monomode fibers; Described power line comprises: be arranged on the copper conductor at described power line center and be wrapped in the insulating layer of conductor of described copper conductor.
2. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 1, it is characterized in that, the arrangement mode of nine power lines of described three groups of electric units and three two core monomode fibers of three groups of light unit is: a power line of first group of electric unit is arranged on the center of described mixing cable, three power line intervals of two power lines of described second group of electric unit and the 3rd group of electric unit are arranged, described three two core monomode fiber continuous arrangements, two power lines of described three two core monomode fibers and described second group of electric unit and three power lines of the 3rd group of electric unit surround annulus.
3. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 2, it is characterized in that, described two core monomode fibers comprise from outside to inside successively: low smoke and zero halogen sheath and arrange two of described low smoke and zero halogen sheath inside independently optical fiber, fill up aramid fiber filler in the space of described low smoke and zero halogen sheath and described two independently optical fiber.
4. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 3, it is characterized in that, described two independently optical fiber arranged tangential is inner at described low smoke and zero halogen sheath, described optical fiber comprises from outside to inside successively: subelement low smoke and zero halogen sheath, aramid fiber layer, low smoke and zero halogen tightly packaged fiber, described aramid fiber layer wraps up described low smoke and zero halogen tightly packaged fiber, and described subelement subelement low smoke and zero halogen sheath wraps up described aramid fiber layer.
5. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 1, it is characterized in that, also comprise waterstop lapping layer, the described waterstop lapping layer described three groups of electric units of parcel and three groups of light unit, described waterstop lapping layer is arranged on inside described oversheath.
6. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 5, is characterized in that, be provided with copper mesh woven shield between described waterstop lapping layer and described oversheath.
7. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 6, is characterized in that, PP packing material is all filled up in described waterstop lapping layer and the gap between described three groups of electric units and three groups of light unit.
8. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 1, it is characterized in that, described oversheath is outer protective polyethylene cover, and the wall thickness of described outer protective polyethylene cover is 1.85mm.
9. the electric three light mixing cables of a kind of copper conductor three for multiple RRU according to claim 1, it is characterized in that, the sectional area of described copper conductor is 8mm
2, described insulating layer of conductor is polyvinyl chloride insulation layer, and the external diameter of described insulating layer of conductor is 5.5mm, and the thickness of described insulating layer of conductor is 0.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510242369.8A CN104867613B (en) | 2015-05-13 | 2015-05-13 | A kind of electric three light mixing cable of copper conductor three for multiple RRU |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510242369.8A CN104867613B (en) | 2015-05-13 | 2015-05-13 | A kind of electric three light mixing cable of copper conductor three for multiple RRU |
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| CN104867613A true CN104867613A (en) | 2015-08-26 |
| CN104867613B CN104867613B (en) | 2017-08-25 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2270565A2 (en) * | 2009-06-30 | 2011-01-05 | Nexans | Composite, optical fiber, power and signal tactical cable |
| CN103050180A (en) * | 2013-01-24 | 2013-04-17 | 苏州市职业大学 | Photoelectric composite cable for mobile communication distributed base station |
| CN203013402U (en) * | 2012-12-02 | 2013-06-19 | 天津安讯达科技有限公司 | An 8-core photoelectric composite cable used for 4G mobile communication |
| CN203433897U (en) * | 2013-08-12 | 2014-02-12 | 成都中菱无线通信电缆有限公司 | Photoelectric mixed cable for wireless remote radio unit |
| CN104269217A (en) * | 2014-10-24 | 2015-01-07 | 中利科技集团股份有限公司 | Photoelectric composite cable with specially-shaped soft conductor |
-
2015
- 2015-05-13 CN CN201510242369.8A patent/CN104867613B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2270565A2 (en) * | 2009-06-30 | 2011-01-05 | Nexans | Composite, optical fiber, power and signal tactical cable |
| EP2270565A3 (en) * | 2009-06-30 | 2011-08-10 | Nexans | Composite, optical fiber, power and signal tactical cable |
| CN203013402U (en) * | 2012-12-02 | 2013-06-19 | 天津安讯达科技有限公司 | An 8-core photoelectric composite cable used for 4G mobile communication |
| CN103050180A (en) * | 2013-01-24 | 2013-04-17 | 苏州市职业大学 | Photoelectric composite cable for mobile communication distributed base station |
| CN203433897U (en) * | 2013-08-12 | 2014-02-12 | 成都中菱无线通信电缆有限公司 | Photoelectric mixed cable for wireless remote radio unit |
| CN104269217A (en) * | 2014-10-24 | 2015-01-07 | 中利科技集团股份有限公司 | Photoelectric composite cable with specially-shaped soft conductor |
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