CN102903441A - Circular photoelectric composite cable for wireless radio remote unit (RRU) - Google Patents
Circular photoelectric composite cable for wireless radio remote unit (RRU) Download PDFInfo
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- CN102903441A CN102903441A CN2012104191583A CN201210419158A CN102903441A CN 102903441 A CN102903441 A CN 102903441A CN 2012104191583 A CN2012104191583 A CN 2012104191583A CN 201210419158 A CN201210419158 A CN 201210419158A CN 102903441 A CN102903441 A CN 102903441A
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Abstract
The invention relates to a circular photoelectric composite cable for a wireless radio remote unit (RRU). The circular photoelectric composite cable comprises a cable sheath and a cable core arranged in the cable sheath, wherein the cable sheath comprises a flame-retardant polyolefin protective jacket, a binding layer and a rip cord, the cable core comprises a center reinforcing element arranged in the center of the cable sheath, one side of the center reinforcing element is provided with two polyvinyl chloride insulation protective jackets arranged symmetrically, each polyvinyl chloride insulation protective jacket is internally provided with a copper electroconductive conductor core, the other side of the center reinforcing element is provided with the flame-retardant polyolefin protective jacket which is internally provided with colored optical fibers and an reinforcing element, and the cable core is internally provided with filling ropes for filling gaps. According to the circular photoelectric composite cable for the wireless RRU, disclosed by the invention, by application of the photoelectric composite cable to construction of a base station, not only can signal connection between a BBU (Baseband Processing Unit) and the RRU be provided, but also low-voltage direct-current power can be supplied to the RRU, the wiring construction is completed in one step, so that the construction efficiency is improved, the construction cost is reduced, the construction period is shortened, and thus, convenience is brought to later-stage maintenance.
Description
Technical field
The present invention relates to optoelectronic composite cable, is wireless radio remote unit circular light photoelectric compound cable specifically.
Background technology
The fiber optic stretch technology is that the baseband digital signal processing unit (BBU) with the base station separates with wireless radio remote unit (RRU), and with optical cable connecting between baseband digital signal processing unit (BBU) and the wireless radio remote unit.Adopt optical fiber to connect the transmission of digital baseband signal between BBU and the RRU.Wireless radio remote unit (RRU) contains the active equipments such as signal receiver and clock transmitter module, and therefore solving outdoor powerup issue becomes one of subject matter in the system.
General outdoor unit can adopt two kinds of supply power modes, and the first is machine room far-end feed, is by power line machine room-48V direct current to be guided to outdoor unit and powered; The second is the outdoor unit power supplied locally, is in some application-specific scene, provides direct current 48V power supply in outdoor this locality for RRU by modes such as the conversion of 220V civil power or solar cells.
In optional two kinds of powering modes, because the required power supply of outdoor unit is the 48V direct current, adopt outdoor local power taking to have difficulties, and reliability is low, therefore, the pattern of outdoor unit power supplied locally only has under special circumstances and just can adopt.In most scenes, adopt the mode of machine room far-end feed to power.
In construction, it is by one or more optical cable for wireless radio remote unit that BBU is connected with the signal of RRU, the in-line power of RRU then adopts two low-voltage cables to pick out from machine room, carries out the far-end feed, and both separate in construction, need twice wiring, very inconvenient, greatly reduce speed of application, and the quantities of NodeB is large at present, and the duration is nervous, so the efficiency of construction just seems most important.
Summary of the invention
For the defective that exists in the prior art, the object of the present invention is to provide wireless radio remote unit circular light photoelectric compound cable, adopt this optoelectronic composite cable in the construction of base station, both can provide BBU to be connected signal with RRU and connect, again can be for RRU provide low-voltage dc power supply, cable wiring manufacture is once finished, improved efficiency of construction, reduced construction cost, shortened the construction period, for the maintenance in later stage is provided convenience.
For reaching above purpose, the technical scheme that the present invention takes is:
Wireless radio remote unit circular light photoelectric compound cable is characterized in that, comprising:
The cross section is the round cable crust, and described cable sheath comprises: flame-retardant polyolefin sheathed 1, colligation layer 2, tear rope 3,
Be provided with cable core in cable sheath, described cable core comprises:
The center reinforcing element 10 that arranges placed in the middle in cable sheath,
One side of center reinforcing element 10 is provided with two polyvinyl chloride insulation sheaths 8 that left-right symmetric is arranged, and is provided with conductive copper wire core 7 in the polyvinyl chloride insulation sheath 8,
The opposite side of center reinforcing element 10 is provided with in flame-retardant polyolefin sheathed 4, flame-retardant polyolefin sheathed 4 and is provided with colored optical fiber 6 and reinforcing element 5,
Be provided with the gasket for packing 9 for the filling space in the cable core.
On the basis of technique scheme, between flame-retardant polyolefin sheathed 1, colligation layer 2, set up successively from outside to inside aluminium strip 11, waterstop 12.
On the basis of technique scheme, described cable core adopts mode stranded and simultaneously colligation to produce one-shot forming.
On the basis of technique scheme, described conductive copper wire core 7 forms by stranded copper wire is stranded.
On the basis of technique scheme, flame-retardant polyolefin sheathed 4 cross sections are racetrack, reinforcing element is located at left end and the right-hand member of sheath, colored optical fiber is positioned at the sheath middle, on flame-retardant polyolefin sheathed 4 outer surfaces, be beneficial to the V-type groove that optical cable unit is peeled off along laterally zygomorphic the having of the direction of colored optical fiber 6.
Wireless radio remote unit of the present invention circular light photoelectric compound cable, adopt this optoelectronic composite cable in the construction of base station, both can provide BBU to be connected signal with RRU connects, can provide low-voltage dc power supply for RRU again, cable wiring manufacture is once finished, and has improved efficiency of construction, has reduced construction cost, shortened the construction period, for the maintenance in later stage is provided convenience.
Description of drawings
The present invention has following accompanying drawing:
Fig. 1 is the structural representation of the embodiment of the invention one,
Fig. 2 is the structural representation of the embodiment of the invention two.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, wireless radio remote unit of the present invention circular light photoelectric compound cable comprises:
The cross section is the round cable crust, and described cable sheath comprises: flame-retardant polyolefin sheathed 1, colligation layer 2, tear rope 3, and flame-retardant polyolefin sheathed 1, tear rope 3, colligation layer 2, set gradually from outside to inside,
Be provided with cable core in cable sheath, described cable core comprises:
The center reinforcing element 10 that arranges placed in the middle in cable sheath, center reinforcing element 10 can be fiberglass-reinforced plastic lever,
One side of center reinforcing element 10 is provided with two polyvinyl chloride insulation sheaths 8 that left-right symmetric is arranged, and is provided with conductive copper wire core 7 in the polyvinyl chloride insulation sheath 8,
The opposite side of center reinforcing element 10 is provided with in flame-retardant polyolefin sheathed 4, flame-retardant polyolefin sheathed 4 and is provided with colored optical fiber 6 and reinforcing element 5, and reinforcing element 5 can be the steel wire reinforcing element.
Be provided with the gasket for packing 9 for the filling space in the cable core, gasket for packing 9 can be the PP gasket for packing.
Flame-retardant polyolefin sheathed 4 cross sections are racetrack, colored optical fiber 6 in it is as the communications optical cable unit, colored optical fiber is positioned at the sheath middle, two reinforcing elements 5 of the corresponding placement of the left end of sheath and right-hand member, on flame-retardant polyolefin sheathed 4 outer surfaces, be beneficial to the V-type groove that optical cable unit is peeled off along laterally zygomorphic the having of the direction of colored optical fiber 6, flame-retardant polyolefin sheathed 4, colored optical fiber 6 and reinforcing element 5 adopt an extrusion moulding;
Conductive copper wire core 7 in the polyvinyl chloride insulation sheath 8 is as the low-voltage cable unit.
On the basis of technique scheme, in order to strengthen the intensity of optoelectronic composite cable, it further can be manufactured armouring circular light photoelectric compound cable, comprising:
Between flame-retardant polyolefin sheathed 1, colligation layer 2, set up successively from outside to inside aluminium strip 11, waterstop 12.Aluminium strip 11, waterstop 12 are alternative parts that increase, and by increase damp-proof layer (waterstop) and armour (aluminium strip) outside cable core, play the effect of protection against the tide and enhancing cable compressive property, can satisfy the application demand of different use scenes.
On the basis of technique scheme, described cable core adopts mode stranded and simultaneously colligation to produce one-shot forming.Purpose is effectively to guarantee stability and the rounding property of cable core.
On the basis of technique scheme, described conductive copper wire core 7 forms by stranded copper wire is stranded.
The present invention is applied in the NodeB optical fiber zooming system, the signal connection that has between baseband digital signal processing unit (BBU) and the wireless radio remote unit (RRU) reaches the double action that low-tension supply is provided for RRU, can be good at satisfying the demand on engineering construction convenience and the cost.The concrete following advantage of optical cable: Stability Analysis of Structures has good pliability and mechanical performance; Photoelectric integral is fully saved conduit resource; Cable section and optical cable partly keep relatively independent structure, the introducing when being convenient to install, draw and are connected; The photoelectric mixed cable cost price is low simultaneously, lays facility, can effectively shorten the engineering time, reducing construction cost.
The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (5)
1. wireless radio remote unit circular light photoelectric compound cable is characterized in that, comprising:
The cross section is the round cable crust, and described cable sheath comprises: flame-retardant polyolefin sheathed (1), colligation layer (2), tear rope (3),
Be provided with cable core in cable sheath, described cable core comprises:
The center reinforcing element (10) that arranges placed in the middle in cable sheath,
One side of center reinforcing element (10) is provided with two polyvinyl chloride insulation sheaths (8) that left-right symmetric is arranged, and is provided with conductive copper wire core (7) in the polyvinyl chloride insulation sheath (8),
The opposite side of center reinforcing element (10) is provided with flame-retardant polyolefin sheathed (4), is provided with colored optical fiber (6) and reinforcing element (5) in flame-retardant polyolefin sheathed (4),
Be provided with the gasket for packing (9) for the filling space in the cable core.
2. wireless radio remote unit as claimed in claim 1 circular light photoelectric compound cable is characterized in that: set up successively from outside to inside aluminium strip (11), waterstop (12) between flame-retardant polyolefin sheathed (1), colligation layer (2).
3. wireless radio remote unit as claimed in claim 1 or 2 circular light photoelectric compound cable is characterized in that: described cable core adopts mode stranded and simultaneously colligation to produce one-shot forming.
4. wireless radio remote unit as claimed in claim 1 or 2 circular light photoelectric compound cable, it is characterized in that: described conductive copper wire core (7) forms by stranded copper wire is stranded.
5. wireless radio remote unit as claimed in claim 1 or 2 circular light photoelectric compound cable, it is characterized in that: flame-retardant polyolefin sheathed (4) cross section is racetrack, reinforcing element is located at left end and the right-hand member of sheath, colored optical fiber is positioned at the sheath middle, on flame-retardant polyolefin sheathed (4) outer surface, be beneficial to the V-type groove that optical cable unit is peeled off along laterally zygomorphic the having of the direction of colored optical fiber (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104191583A CN102903441A (en) | 2012-10-26 | 2012-10-26 | Circular photoelectric composite cable for wireless radio remote unit (RRU) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104191583A CN102903441A (en) | 2012-10-26 | 2012-10-26 | Circular photoelectric composite cable for wireless radio remote unit (RRU) |
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| CN102903441A true CN102903441A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012104191583A Pending CN102903441A (en) | 2012-10-26 | 2012-10-26 | Circular photoelectric composite cable for wireless radio remote unit (RRU) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325464A (en) * | 2013-05-31 | 2013-09-25 | 成都亨通光通信有限公司 | Remote radio photoelectric composite cable for base station |
| CN104021869A (en) * | 2014-06-26 | 2014-09-03 | 尹红 | Photoelectric composite cable with parallel cable core |
| CN104934130A (en) * | 2015-05-13 | 2015-09-23 | 江苏亨通线缆科技有限公司 | Single-electric double-optical mixed cable assembly for single-RRU copper conductor |
| CN105761824A (en) * | 2014-06-26 | 2016-07-13 | 灏圭孩 | Electric power or communication photoelectric composite cable with a parallel cable core |
| CN107544120A (en) * | 2015-04-07 | 2018-01-05 | 龚永祥 | A kind of manufacture method to communicate with remote radio head optoelectronic composite cable |
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| CN201194180Y (en) * | 2008-04-28 | 2009-02-11 | 苏州海龙数据电缆有限公司 | Ultra-long transmission wideband electric cable |
| CN201608003U (en) * | 2010-02-26 | 2010-10-13 | 江苏亨通光电股份有限公司 | Stranded optical fiber composite cable at nominal voltage of 0.6/1 kV and below |
| CN202042280U (en) * | 2011-04-20 | 2011-11-16 | 沈阳亨通光通信有限公司 | Pipeline covered-wire introduction composite optical cable |
| CN102364598A (en) * | 2011-11-03 | 2012-02-29 | 成都亨通光通信有限公司 | Self-supporting layer-stranded type optical fiber composite low-voltage optical cable for access network |
| CN102646473A (en) * | 2012-04-27 | 2012-08-22 | 江苏佳润电缆有限公司 | Composite low-tension cable with internal optical fiber |
| CN202454322U (en) * | 2011-12-30 | 2012-09-26 | 上海裕荣光电科技有限公司 | Photoelectric composite cable |
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2012
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201194180Y (en) * | 2008-04-28 | 2009-02-11 | 苏州海龙数据电缆有限公司 | Ultra-long transmission wideband electric cable |
| CN201608003U (en) * | 2010-02-26 | 2010-10-13 | 江苏亨通光电股份有限公司 | Stranded optical fiber composite cable at nominal voltage of 0.6/1 kV and below |
| CN202042280U (en) * | 2011-04-20 | 2011-11-16 | 沈阳亨通光通信有限公司 | Pipeline covered-wire introduction composite optical cable |
| CN102364598A (en) * | 2011-11-03 | 2012-02-29 | 成都亨通光通信有限公司 | Self-supporting layer-stranded type optical fiber composite low-voltage optical cable for access network |
| CN202454322U (en) * | 2011-12-30 | 2012-09-26 | 上海裕荣光电科技有限公司 | Photoelectric composite cable |
| CN102646473A (en) * | 2012-04-27 | 2012-08-22 | 江苏佳润电缆有限公司 | Composite low-tension cable with internal optical fiber |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325464A (en) * | 2013-05-31 | 2013-09-25 | 成都亨通光通信有限公司 | Remote radio photoelectric composite cable for base station |
| CN104021869A (en) * | 2014-06-26 | 2014-09-03 | 尹红 | Photoelectric composite cable with parallel cable core |
| CN105761824A (en) * | 2014-06-26 | 2016-07-13 | 灏圭孩 | Electric power or communication photoelectric composite cable with a parallel cable core |
| CN105845232A (en) * | 2014-06-26 | 2016-08-10 | 灏圭孩 | Optical power composite cable possessing parallel cable cores |
| CN107544120A (en) * | 2015-04-07 | 2018-01-05 | 龚永祥 | A kind of manufacture method to communicate with remote radio head optoelectronic composite cable |
| CN104934130A (en) * | 2015-05-13 | 2015-09-23 | 江苏亨通线缆科技有限公司 | Single-electric double-optical mixed cable assembly for single-RRU copper conductor |
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Application publication date: 20130130 |