CN201060293Y - Optical fiber cable assembly and optical fibre pulling far structure with same thereof - Google Patents
Optical fiber cable assembly and optical fibre pulling far structure with same thereof Download PDFInfo
- Publication number
- CN201060293Y CN201060293Y CN 200720154166 CN200720154166U CN201060293Y CN 201060293 Y CN201060293 Y CN 201060293Y CN 200720154166 CN200720154166 CN 200720154166 CN 200720154166 U CN200720154166 U CN 200720154166U CN 201060293 Y CN201060293 Y CN 201060293Y
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- cable
- optical cable
- optical
- radio unit
- remote radio
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Abstract
The utility model provides optical cable components, comprising a main optical cable, a first cable divided line structure arranged on a first end of the main optical cable which divides the main optical cable into a multi channel first sub-optical cable and a second cable divided line structure arranged on a second end of the main optical cable which divides the main optical cable into a multi channel second sub-optical cable. The utility model also provides a fiber remote structure based on a TD-SCDMA base station, comprising at least one radio remote unit and a baseband sharing resource pool. The at least one radio remote unit is arranged outside the room while the baseband sharing resource pool is arranged inside the room. The optical cable components connect the radio remote unit and the baseband sharing resource pool and transfer uplink and downlink signals. The optical cable components and the fiber remote structure of the utility model only need a pair of optical fibers to transfer communication signals of the outside room radio remote unit and the inside room baseband sharing resource pool, thus the cost and the maneuverability are superior to the traditional structure.
Description
Technical field
The utility model relates to a kind of cable assembly and has the fiber optic stretch structure of this cable assembly.
Background technology
For base station system, descending digital medium-frequency signal becomes the radiofrequency signal that meets launch requirements, and launches by antenna opening through steps such as frequency transformation, digital-to-analog conversion, power amplifications.Up radiofrequency signal from antenna receives becomes the digital signal that base band requires through steps such as filtering, amplification, frequency conversion, analog to digital conversion, frequency divisions.Usually, Base-Band Processing and transceiver module partly are arranged on the flooring, so the Base-Band Processing and the transceiver module that are arranged at ground partly with between the cat head need to be connected by feeder, so that to radio signal transmission is arrived cat head.
For the base station side system of TD-SCDMA, employing be the smart antenna mode, if with traditional framework form, the radio frequency feeder quantity from ground to the cat head is very many, material cost and project installation cost are too high, structure is huge, it is not attractive in appearance, difficult in maintenance to connect up.
The utility model content
The utility model is devoted to overcome the above-mentioned defective of prior art just and is made.
The utility model provides a kind of cable assembly, and it comprises: main cable; First optical cable divides line structure, is arranged at the first end of main cable, with first fen optical cable of main cable demultiplexing; And second optical cable divide line structure, be arranged at the second end of main cable, with second fen optical cable of main cable demultiplexing.
Preferably, main cable is the outdoor optical fiber cable for field operation of four-core.
Preferably, first fen optical cable that main cable is divided line structure to be divided into two-way two cores by first optical cable divided line structure to be divided into second fen optical cable of four tunnel one cores by second optical cable.
Preferably, the free end place of every first fen optical cable is provided with optical cable attachment plug.
Preferably, the free end of second fen optical cable is according to making up and be provided with LC or PC connectivity port in twos with first fen corresponding order of optical cable.
Preferably, optical cable attachment plug is provided with the key position limiting structure, and the key position limiting structure is cylindric, has at least one positive stop key on its excircle.
Preferably, be provided with pin holes in the key position limiting structure.
Divide the line structure and second optical cable to divide line structure according to cable assembly of the present utility model by the first set optical cable, realized directly on main cable, realizing the separated time switching, and do not needed by connector switching or fused fiber splice.
The utility model also provides a kind of fiber optic stretch structure based on the TD-SCDMA base station side, it comprises at least one Remote Radio Unit and base band shared resource pond, this at least one Remote Radio Unit is arranged at outdoor, base band shared resource pond is arranged at indoor, is connected above-mentioned cable assembly between Remote Radio Unit and the base band shared resource pond to carry out the transmission of uplink and downlink signal.
Preferably, the bottom of Remote Radio Unit is provided with gang socket, and it is cylindric that gang socket is, and has the stopper slot of at least one within it on the circumference, also is provided with unsteady ceramic contact pin in the gang socket.
Preferably, be respectively arranged with the interconnected optical interface of principal and subordinate on the Remote Radio Unit, can to carry out the principal and subordinate interconnected by connect optical cable between the interconnected optical interface of principal and subordinate between the Remote Radio Unit.
The utility model adopts new base station physical framework form, by partly moving the Base-Band Processing of base station to outdoor cat head or roof, and will be positioned at indoor base band shared resource pond and be positioned at outdoor Remote Radio Unit and be connected by optical cable, thereby saved in traditional framework from cat head or roof to the radio frequency feeder on ground.In addition, because the signal volume of optical fiber is far longer than common radio frequency feeder, be that the communication signal that system only needs a pair of optical fiber can finish an outdoor Remote Radio Unit and indoor base band shared resource pond transmits, so cost and operability aspect are far superior to traditional framework form.
Other features and advantages of the utility model provide in explanation subsequently, partly can be apparent from the description, and maybe can find out from enforcement of the present utility model.The purpose of this utility model and other advantage can be understood, obtain from the structure that following written explanation, claim and accompanying drawing provide especially.
Should be appreciated that above generality is described and the following detailed description is all enumerated and illustrative, purpose is in order to provide further instruction to claimed the utility model.
Description of drawings
Accompanying drawing constitutes the part of this instructions, is used to help further understand the utility model.These accompanying drawings illustrate embodiment more of the present utility model, and are used for illustrating principle of the present utility model with instructions.Identical in the accompanying drawings parts are represented with identical label.Wherein:
Fig. 1 shows the synoptic diagram that zooms out structure according to optical fiber radio frequency of the present utility model;
Fig. 2 is the synoptic diagram according to cable assembly of the present utility model;
Fig. 3 is the schematic perspective view according to the attachment plug of cable assembly of the present utility model; And
Fig. 4 is the schematic perspective view that is arranged at the gang socket of Remote Radio Unit bottom according to of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model specific embodiment is elaborated.
At first with reference to Fig. 1, optical fiber radio frequency of the present utility model zooms out structure and comprises: the cable assembly 2 that is positioned at outdoor at least one Remote Radio Unit (RRU) 1, is positioned at indoor base band shared resource pond (BBU) 3 and is used to connect Remote Radio Unit and base band shared resource pond.Described at least one Remote Radio Unit is used for partly moving to outdoor with being arranged at indoor Base-Band Processing traditionally.
In addition, each Remote Radio Unit 1 is provided with the interconnected optical interface 13 of principal and subordinate, is having between the Remote Radio Unit 1 under the interconnected situation of principal and subordinate, realizes that by using optical cable 12 to connect the interconnected optical interface 13 of principal and subordinate the principal and subordinate between the Remote Radio Unit 1 is interconnected.Between Remote Radio Unit 1, there is not the interconnected situation of principal and subordinate, is impermeability and the electromagnetic screen integrality of guaranteeing system, on the interconnected optical interface 12 of principal and subordinate, use the optical connector over cap (not shown) that is complementary, be preferably metal light plug.In this embodiment, outdoor section is provided with the Remote Radio Unit 1 that two poles are installed, but should be appreciated that the utility model is not limited in two.
Wherein, because the signal volume of optical fiber is far longer than common radio frequency feeder, so system only needs a pair of optical fiber can finish the communication signal transmission of an outdoor unit and indoor unit.
Specific to present embodiment, for easy construction, the wiring attractive in appearance, easy to maintenance, cable assembly 2 can be selected for use and be the outdoor optical fiber cable for field operation of four-core.At indoor section, this outdoor optical fiber cable for field operation passes through the machine top in base band shared resource pond 3, and is fixed on place, machine top by structural member.At outdoor section, this outdoor optical fiber cable for field operation is moved the position near two Remote Radio Unit 1 to.
With reference to Fig. 2, cable assembly 2 comprises: optical cable attachment plug 21, outdoor minute optical cable 22, first optical cable divide line structure 23, main cable 24, second optical cable to divide line structure 25, indoor minute optical cable 26, LC port or pc port 27.
First optical cable divides the line structure 23 and second optical cable to divide line structure 25, be arranged at two opposed end places of main cable 24 respectively, be respectively applied for outdoor minute optical cable 22 of main cable 24 demultiplexings and indoor minute optical cable 26 of multichannel, thereby realized directly on main cable 24, realizing the separated time switching, and do not needed by connector switching or fused fiber splice.
In this embodiment, the outdoor optical fiber cable for field operation of four-core is divided the line structure 23 and second optical cable to divide line structure 25 to be divided into outdoor minute optical cable 22 of two-way two cores and indoor minute optical cable 26 of four tunnel one cores respectively by first optical cable, is respectively applied for the signal transmitting and receiving of realizing two Remote Radio Unit.
For cable assembly 2 is connected with outdoor Remote Radio Unit 1, each free end place at outdoor minute optical cable 22 is provided with optical cable attachment plug 21, the bottom that is positioned at each outdoor Remote Radio Unit 1 is provided with gang socket 11, and this gang socket 11 is installed in the bottom of Remote Radio Unit 1 by flange 112.Each road optical cable connects the gang socket 11 of a Remote Radio Unit 1 by attachment plug 21.Adopt the mode of being spirally connected to fix between attachment plug 21 and the gang socket 11, to realize quick, the connection reliably of optical cable.In addition, in order to prevent in the process of being spirally connected fiber cable joint to be caused damage, attachment plug 21 and gang socket 11 are provided with keyway position limitation protection structure.
Keyway position limitation protection structure comprise the key position limiting structure 211 that is arranged in the attachment plug 21 and be arranged at be positioned in the gang socket 11 with key position limiting structure 211 corresponding groove position limiting structures 111.Specifically, key position limiting structure 211 is positioned at the center of attachment plug 21, is cylindrical shape, has at least one (in this example being five) uniform positive stop key 2111 on the right cylinder excircle.Pars intermedia in central cylinder has two pin holes 213.The groove position limiting structure 111 of gang socket 11 is cylindric, has at least one (in this example being five) stopper slot 1111 along its inner peripheral, in order to match with positive stop key 2111.Be provided with two ceramic contact pins 113 in the center of gang socket 11, it matches with pin holes 213.Preferably, this ceramic contact pin 113 is installed for floating, and makes its free end have certain amount of floating.By keyway position limitation protection structure, utilize this unsteady centering mode, can guarantee accurate, the reliable butt joint of optical fiber, simultaneously the contact pin of inner light conducting signal is realized protection.
In addition, the connecting interface place in attachment plug 21 and gang socket 11 also is provided with the rubber washer (not shown), so that can reach the impermeability requirement when connection status.
The free end place of indoor minute optical cable 26 of cable assembly 2 is provided with LC or pc port 27 according to making up in twos with Remote Radio Unit 1 corresponding order, so that be connected with indoor base band shared resource pond 3.
Although the utility model is illustrated with reference to accompanying drawing and preferred embodiment, obviously, for a person skilled in the art, under the prerequisite that does not deviate from spirit and scope of the present utility model, can make various changes and variation to the utility model.Various change of the present utility model, the content that changes by appending claims and equivalent thereof contain.
Claims (10)
1. a cable assembly is characterized in that, comprising:
Main cable (24);
First optical cable divides line structure (23), is arranged at the first end of described main cable (24), with first fen optical cable (22) of described main cable (24) demultiplexing; And
Second optical cable divides line structure (25), is arranged at the second end of described main cable (24), with second fen optical cable (26) of described main cable (24) demultiplexing.
2. cable assembly according to claim 1 is characterized in that, described main cable (24) is the outdoor optical fiber cable for field operation of four-core.
3. cable assembly according to claim 2, it is characterized in that, first fen optical cable (22) that described main cable (24) is divided line structure (23) to be divided into two-way two cores by described first optical cable divided line structure (25) to be divided into second fen optical cable (26) of four tunnel one cores by described second optical cable.
4. cable assembly according to claim 1 is characterized in that, every described first minute optical cable (22) the free end place be provided with optical cable attachment plug (21).
5. cable assembly according to claim 1 is characterized in that, described second minute optical cable (26) free end according to making up and be provided with LC or PC connectivity port (27) in twos with the described first minute corresponding order of optical cable (22).
6. cable assembly according to claim 4 is characterized in that, described optical cable attachment plug (21) is provided with key position limiting structure (211), and described key position limiting structure (211) is cylindric, has at least one positive stop key (2111) on its excircle.
7. cable assembly according to claim 6 is characterized in that, is provided with pin holes (213) in the described key position limiting structure (211).
8. fiber optic stretch structure based on the TD-SCDMA base station side, comprise at least one Remote Radio Unit (1) and base band shared resource pond (3), it is characterized in that, described at least one Remote Radio Unit is arranged at outdoor, described base band shared resource pond (3) is arranged at indoor, is connected with in the claim 1 to 7 each described cable assembly (2) between described Remote Radio Unit (1) and the described base band shared resource pond (3) to carry out the transmission of uplink and downlink signal.
9. fiber optic stretch structure according to claim 8, it is characterized in that, the bottom of described Remote Radio Unit (1) is provided with gang socket (11), described gang socket (11) is cylindric, have the stopper slot (1111) of at least one within it on the circumference, also be provided with unsteady ceramic contact pin (113) in the described gang socket (11).
10. fiber optic stretch structure according to claim 8, it is characterized in that, be respectively arranged with the interconnected optical interface of principal and subordinate (13) on the described Remote Radio Unit, can to carry out the principal and subordinate interconnected by connect optical cable between the interconnected optical interface of described principal and subordinate (13) between the described Remote Radio Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720154166 CN201060293Y (en) | 2007-05-24 | 2007-05-24 | Optical fiber cable assembly and optical fibre pulling far structure with same thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200720154166 CN201060293Y (en) | 2007-05-24 | 2007-05-24 | Optical fiber cable assembly and optical fibre pulling far structure with same thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060293Y true CN201060293Y (en) | 2008-05-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200720154166 Expired - Lifetime CN201060293Y (en) | 2007-05-24 | 2007-05-24 | Optical fiber cable assembly and optical fibre pulling far structure with same thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060293Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714194A (en) * | 2015-11-13 | 2017-05-24 | 中国移动通信集团黑龙江有限公司 | Indoor coverage system |
| CN107367797A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | A kind of multicore zooms out component |
-
2007
- 2007-05-24 CN CN 200720154166 patent/CN201060293Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106714194A (en) * | 2015-11-13 | 2017-05-24 | 中国移动通信集团黑龙江有限公司 | Indoor coverage system |
| CN107367797A (en) * | 2017-08-29 | 2017-11-21 | 广东亨通光电科技有限公司 | A kind of multicore zooms out component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080514 |
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| CX01 | Expiry of patent term |