CN203838382U - Wireless radiofrequency remote optical cable for multi-sector base station - Google Patents
Wireless radiofrequency remote optical cable for multi-sector base station Download PDFInfo
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- CN203838382U CN203838382U CN201420229824.1U CN201420229824U CN203838382U CN 203838382 U CN203838382 U CN 203838382U CN 201420229824 U CN201420229824 U CN 201420229824U CN 203838382 U CN203838382 U CN 203838382U
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Abstract
The utility model discloses a wireless radiofrequency remote optical cable for a multi-sector base station. The optical cable comprises a flame retardant oversheath, a nylon oversheath, at least three sub cables, at least one tearing rope, a central reinforcing piece and nonmetallic enhancing fibers, wherein the nylon oversheath is arranged outside the flame retardant oversheath, the sub cables and the tearing rope are arranged in the flame retardant sheath, the central reinforcing piece is arranged among the three sub cables, and the nonmetallic enhancing fibers are arranged between the sub cables and the flame retardant oversheath. According to the utility model, the wireless radiofrequency remote optical cable for the multi-sector base station is designed via structural improvement, the structure can be adapted to requirements of increasing 3G and 4G workload, and the wireless radiofrequency remote optical cable is high in practicality, high in construction efficiency and low in cost, can be normally operated for a long time, and ensures smooth information transmission.
Description
Technical field
The utility model belongs to outdoor less radio-frequency dragging optical cable manufacturing technology field, relates to a kind of less radio-frequency dragging optical cable that can be used for multi-sector base stations.
Background technology
In base station signal transmission system, from Base Band Unit BBU (Base Band Unit) to wireless radio remote unit RRU (Remote Radio Unit), for providing the optical cable of signal transmission, RRU is called less radio-frequency dragging optical cable.Optical cable for wireless radio remote unit is mainly used in being positioned at this locality of same website and zooms out, and length is generally between 100 meters to 300 meters.Along with the transformation of existing base station and the construction of new base station, a large amount of less radio-frequency of needs is zoomed out and uses optical cable.
About remote radio optical cable, grant number is that CN203054298U, name are called base station remote radio optical cable, grant number CN201622374U, name are called the optical cable that wireless radio remote unit is used, grant number CN202600210U, name are called protection against rodents type two core remote radio optical cables, grant number CN203217133U, a kind of mobile communication base station miniature radio-frequency dragging optical cable.Above optical cable is all the tight tube structures that adopt two cores, or by the tight tube structure of two cores and the stranded formation cable core of gasket for packing spiral.This kind of less radio-frequency dragging optical cable, for base station, many sectors (2 sectors, 3 sectors, even 6 sectors), needs repeatability lay the many piece less radio-frequency dragging optical cables identical with sector number.
In each base station work progress, according to number of sectors N, N root dragging optical cable and corresponding many power leads and GPS feeder line generally will be installed, very loaded down with trivial details while tying up several cable on the coil holder in junction chamber between BBU and outdoor RRU or pylon, and be easily wound around.In work progress, for avoiding cable to disperse and safeguarding more difficult differentiation identification, need to many cables that disperse, tie up fixing every 1 meter to 2 meters.This brings very big inconvenience to workmen in operating process, and loses time and manpower, greatly reduces operating efficiency; And along with current 3G, 4G quantities increase, the duration is more nervous, so operating efficiency problem etc. just seem particularly important.
Utility model content
The purpose of this utility model is to provide a kind of less radio-frequency dragging optical cable for multi-sector base stations, has solved the constructional difficulties, the differentiation that in prior art, exist and has distinguished the problems such as difficulty.
The purpose of this utility model realizes by following technical proposals.
A kind of less radio-frequency dragging optical cable for multi-sector base stations, comprise fire-retardant oversheath, and be arranged on the nylon outer sheath outside fire-retardant oversheath, described fire-retardant oversheath includes at least three sub-cables and at least one tears rope, described at least San Gezilan center is provided with central reinforce member, between sub-cable and fire-retardant oversheath, is provided with nonmetal fortifying fibre.
Further, described sub-cable is coated by sub-cable sheath, comprises by the coated optical fiber of at least one tight cover coating in sub-cable sheath; Between described tight cover coating and sub-cable sheath, be filled with stiffener.
Further, described optical fiber is single-mode fiber or multimode optical fiber.
Further, described stiffener adopts water resistance aramid fiber material.
Further, described sub-cable sheath adopts optical fiber whole chromatogram color, and in same sub-cable, tight cover coating also adopts optical fiber whole chromatogram color.
Further, described nylon outer sheath and sub-cable sheath all adopt nylon material.
Further, described fire-retardant oversheath is low smoke halogen-free flame-retardant polyolefin, flame-proof polyethylene or pvc material.
Further, described central reinforce member is Fiber glass rod, glass fiber yarn, water blocking yarn, aramid fiber or basalt fibre.
Further, described nonmetal fortifying fibre is glass fiber yarn or glass fiber tape.
The utlity model has following feature:
1, Present Domestic base station construction and reconstruction are in full swing, and mainly take multi-sector base stations as main, and in process of construction, the coil holder between indoor BBU and outdoor RRU or the cable on pylon will be a lot, and it will be more difficult that fixing, the identification of cable are distinguished.The less radio-frequency dragging optical cable that multi-sector base stations newly developed is used, cable core includes many with zooming out sub-optical cable, on whole coil holder, only occur a dragging optical cable, and laid processes middle finger needs an optical cable construction, can complete the transmission problem of light signal between BBU and tower bar RRU.
2, the less radio-frequency dragging optical cable that current multi-sector base stations is used, the cable that connects use between BBU and outdoor RRU is the optical cable of same size or identical producer, when BBU end and RRU end link, be difficult to distinguish, and BBU corresponding port can not promptly and accurately link with corresponding RRU port is corresponding in follow-up maintenance process.The less radio-frequency dragging optical cable that multi-sector base stations newly developed is used, sub-cable sheath is according to optical fiber whole chromatogram color, in same sub-cable, optical fiber tight sleeve layer also adopts optical fiber whole chromatogram color, this makes easily to distinguish at BBU end and RRU end, after having laid optical cable, can fast, accurately link two ends, greatly improve operating efficiency.
3, the less radio-frequency dragging optical cable for multi-sector base stations newly developed, the mode that adopts water resistance aramid fiber to fill in sub-cable, guarantees the bent characteristic of water resistance characteristic, tensile characteristics and soft pliable of optical cable.
4, the less radio-frequency dragging optical cable for multi-sector base stations newly developed, cable outer sheath and sub-cable oversheath all adopt nylon sheath wire material, can play the effect of protection against rodents and anti-bird; And space-filling glass fiber yarn outside sub-cable sheath and in cable jacket, further improves the tension of optical cable, anti-unfirmly closing characteristic.
The beneficial effects of the utility model are:
(1) by making the intensive of many dragging optical cables in same base station, improved the efficiency of laying of optical cable in base station construction.
(2) by making the intensive of many dragging optical cables in same base station, reduced material usage and the construction cost of dragging optical cable in same base station.
(3), by making the intensive of many dragging optical cables in same base station, saved the space resources of the coil holder that connects up between BBU and RRU.
(4) in sub-cable oversheath color and sub-cable, optical fiber tightly overlaps coating color and all adopts optical fiber whole chromatogram, can significantly improve construction overweight in multiple port cable distinguish link problems, and contribute to later stage maintaining cables identification.
(5) dragging optical cable has adopted glass fiber yarn, nylon sheath wire material, has adopted double-deck preventive measure against rats, and base station cable can normally be moved for a long time, guarantees that communication is unimpeded.
(6) dragging optical cable cable has increased optical cable in the heart and has torn rope, quick and easy when BBU end and the sub-cable of RRU end taking-up.
Accompanying drawing explanation
Fig. 1 is the sub-cable structure schematic diagram of a kind of less radio-frequency dragging optical cable for multi-sector base stations.
Fig. 2 is a kind of less radio-frequency dragging optical cable structural representation for 3 sector base stations.
Fig. 3 is a kind of less radio-frequency dragging optical cable structural representation for 4 sector base stations.
Fig. 4 is a kind of less radio-frequency dragging optical cable structural representation for 6 sector base stations.
Fig. 5 is the utility model less radio-frequency dragging optical cable technical process figure.
In figure: 1. sub-cable sheath, 2. tight cover coating, 3. optical fiber, 4. stiffener, 5. sub-cable, 6 fire-retardant oversheaths, 7. central reinforce member, 8. tears rope, 9. nonmetal fortifying fibre, 10. nylon outer sheath.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment 1
As shown in Figure 2, shown a kind of less radio-frequency dragging optical cable for 3 sector base stations, it comprises fire-retardant oversheath 6, and be arranged on the nylon outer sheath 10 outside fire-retardant oversheath 6, wherein, fire-retardant oversheath 6 includes three sub-cables 5 and one to be torn 8, three sub-cable 5 centers of rope and is provided with central reinforce member 7, is provided with nonmetal fortifying fibre 9 between sub-cable 5 and fire-retardant oversheath 6.
Figure 2 shows that sub-cable structure schematic diagram, sub-cable 5 is coated by sub-cable sheath 1, comprises by 3 coated optical fiber 3 of tight cover coating 2 in sub-cable sheath 1; Between tight cover coating 2 and sub-cable sheath 1, be filled with stiffener 4.
Wherein, the color of 3 root cable sheaths 1 is followed successively by indigo plant, orange, green.Stiffener 4 adopts water resistance aramid fiber material, and nylon outer sheath 10 and sub-cable sheath 1 all adopt nylon material.
As shown in Figure 1, sub-cable 5 is that tight tube fiber, stiffener 4 and the sub-cable sheath 1 being formed by optical fiber 3 and tight cover clad 2 forms; The external diameter of tight tube fiber is 0.6mm; The external diameter of sub-cable 5 is 2.0mm.
Optical fiber 3 can be single-mode fiber or multimode optical fiber, tightly overlaps clad 2 and can be low smoke halogen-free flame-retardant polyolefin, flame-proof polyethylene, nylon or pvc material.
Wherein, the tight tube fiber in described sub-cable 5 according to a constant pitch spiral strand with together with, this pitch range is between 800mm to 1500mm; Tight tube fiber in described sub-cable 5 is two, and two tight tube fiber coating colors are blue, orange.
Wherein, the stiffener 4 in described sub-cable 5 is the water resistance aramid fiber of 4 1610dtex; The sub-cable sheath 1 of described sub-cable 5 can be low smoke halogen-free flame-retardant polyolefin, flame-proof polyethylene, pvc material.
Wherein, described central reinforce member 7 can be Fiber glass rod, glass fiber yarn, water blocking yarn, aramid fiber or basalt fibre.
Wherein, described fire-retardant oversheath 6 can be low smoke halogen-free flame-retardant polyolefin, flame-proof polyethylene or pvc material; Described nonmetal fortifying fibre 9 can be glass fiber yarn or glass fiber tape.
Embodiment 2
As shown in Figure 3, shown a kind of less radio-frequency dragging optical cable for 4 sector base stations, when this cable is applicable to contain 4 RRU equipment in base station.It and embodiment 1 difference be, this cable consists of 4 root cables 5, and 4 root cables 5 are coated successively by fire-retardant oversheath 6 and nylon outer sheath 10, establishes central reinforce member 7, tears rope 8 and nonmetal fortifying fibre 9 in fire-retardant oversheath 6; Described cable core is twisted with SZ around central reinforce member 7 by 4 root cables 5 and or spiral twists and forms, the sheath color of the sub-cable 5 of 4 less radio-frequency dragging optical cables is followed successively by indigo plant, orange, green, brown.
Embodiment 3
As shown in Figure 4, shown a kind of less radio-frequency dragging optical cable for 6 sector base stations, when this cable is applicable to contain 6 RRU equipment in base station.It and embodiment 1 difference be, this cable consists of 6 root cables 5, and 6 root cables 5 are coated successively by fire-retardant oversheath 6 and nylon outer sheath 10, establishes central reinforce member 7, tears rope 8 and nonmetal fortifying fibre 9 in fire-retardant oversheath 6; Described cable core is twisted with SZ around central reinforce member 7 by 6 root cables 5 and or spiral twists and forms, the sheath color of the sub-cable 5 of 6 less radio-frequency dragging optical cables is followed successively by indigo plant, orange, green, brown, grey, white.
Making is used for the less radio-frequency dragging optical cable technical process figure of multi-sector base stations as shown in 5, coated by tight cover coating 2 by many roots cable 5, outside stiffener 4 with SZ strand and or the circular sub-cable 5 of the stranded coated formation of spiral, simultaneously at the sub-cable 5 center-filled central reinforce members 7 of described circle, gap is filled nonmetal fortifying fibre 9 betwixt, finally outside nonmetal fortifying fibre 9, extrude fire-retardant oversheath 6 and nylon outer sheath 10 formations, after product inspection is qualified, dispatch from the factory.
The utility model improves by cable configuration, designs and develops out a kind of less radio-frequency dragging optical cable for multi-sector base stations.This structure can adapt to the demand of current 3G, the increase of 4G quantities, and practical, operating efficiency is high.
The foregoing is only a kind of embodiment of the present utility model, it not whole or unique embodiment, the conversion of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model instructions, is claim of the present utility model and contains.
Claims (9)
1. the less radio-frequency dragging optical cable for multi-sector base stations, comprise fire-retardant oversheath (6), and be arranged on the outer nylon outer sheath (10) of fire-retardant oversheath (6), it is characterized in that, described fire-retardant oversheath (6) includes at least three sub-cables (5) and at least one tears rope (8), described at least three sub-cables (5) center is provided with central reinforce member (7), between sub-cable (5) and fire-retardant oversheath (6), is provided with nonmetal fortifying fibre (9).
2. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 1, it is characterized in that, described sub-cable (5) is coated by sub-cable sheath (1), includes the coated optical fiber (3) of at least one tight cover coating (2) in sub-cable sheath (1); Between described tight cover coating (2) and sub-cable sheath (1), be filled with stiffener (4).
3. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 2, is characterized in that, described optical fiber (3) is single-mode fiber or multimode optical fiber.
4. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 2, is characterized in that, described stiffener (4) adopts water resistance aramid fiber material.
5. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 2, it is characterized in that, described sub-cable sheath (1) adopts optical fiber whole chromatogram color, and in same sub-cable (5), tight cover coating (2) also adopts optical fiber whole chromatogram color.
6. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 1 and 2, is characterized in that, described nylon outer sheath (10) and sub-cable sheath (1) all adopt nylon material.
7. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 1, is characterized in that, described fire-retardant oversheath (6) is low smoke halogen-free flame-retardant polyolefin, flame-proof polyethylene or pvc material.
8. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 1, is characterized in that, described central reinforce member (7) is Fiber glass rod, glass fiber yarn, water blocking yarn, aramid fiber or basalt fibre.
9. a kind of less radio-frequency dragging optical cable for multi-sector base stations according to claim 1, is characterized in that, described nonmetal fortifying fibre (9) is glass fiber yarn or glass fiber tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229824.1U CN203838382U (en) | 2014-05-06 | 2014-05-06 | Wireless radiofrequency remote optical cable for multi-sector base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420229824.1U CN203838382U (en) | 2014-05-06 | 2014-05-06 | Wireless radiofrequency remote optical cable for multi-sector base station |
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| Publication Number | Publication Date |
|---|---|
| CN203838382U true CN203838382U (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420229824.1U Expired - Fee Related CN203838382U (en) | 2014-05-06 | 2014-05-06 | Wireless radiofrequency remote optical cable for multi-sector base station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698560A (en) * | 2015-04-07 | 2015-06-10 | 龚永祥 | Wireless radio frequency pull-far optical cable and cable for communication and optical-electric composite cable manufacturing method |
| CN110398809A (en) * | 2019-07-26 | 2019-11-01 | 江苏亨通光电股份有限公司 | A kind of dragging optical cable and preparation method thereof |
| CN113156598A (en) * | 2021-03-26 | 2021-07-23 | 黑龙江海源电力工程有限公司 | Optical cable, node distribution box, 5G power bearing network system and application |
-
2014
- 2014-05-06 CN CN201420229824.1U patent/CN203838382U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104698560A (en) * | 2015-04-07 | 2015-06-10 | 龚永祥 | Wireless radio frequency pull-far optical cable and cable for communication and optical-electric composite cable manufacturing method |
| CN104698560B (en) * | 2015-04-07 | 2017-12-01 | 扬州市红旗电缆制造有限公司 | A kind of manufacture method to communicate with remote radio head optical cable, cable and optoelectronic composite cable |
| CN107450141A (en) * | 2015-04-07 | 2017-12-08 | 龚永祥 | A kind of manufacture method to communicate with remote radio head optical cable |
| CN107450141B (en) * | 2015-04-07 | 2019-06-25 | 友光电线电缆有限公司 | A kind of communication manufacturing method of remote radio head optical cable |
| CN110398809A (en) * | 2019-07-26 | 2019-11-01 | 江苏亨通光电股份有限公司 | A kind of dragging optical cable and preparation method thereof |
| CN113156598A (en) * | 2021-03-26 | 2021-07-23 | 黑龙江海源电力工程有限公司 | Optical cable, node distribution box, 5G power bearing network system and application |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Wireless radiofrequency remote optical cable for multi-sector base station Effective date of registration: 20171108 Granted publication date: 20140917 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: FURUKAWA ELECTRIC XI'AN OPTICAL COMMUNICATION CO., LTD. Registration number: 2017610000141 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20180506 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190328 Granted publication date: 20140917 Pledgee: Xi'an investment and financing Company limited by guarantee Pledgor: FURUKAWA ELECTRIC XI'AN OPTICAL COMMUNICATION CO., LTD. Registration number: 2017610000141 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |