CN101566712B - Optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home) - Google Patents
Optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home) Download PDFInfo
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- CN101566712B CN101566712B CN 200910027402 CN200910027402A CN101566712B CN 101566712 B CN101566712 B CN 101566712B CN 200910027402 CN200910027402 CN 200910027402 CN 200910027402 A CN200910027402 A CN 200910027402A CN 101566712 B CN101566712 B CN 101566712B
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Abstract
The invention relates to an optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home), which is used as an interface of a trunk optical cable and an optical distribution cable specially for EPON and GPON systems of a fiber access network. The optical cable cross connection cabinet comprises a base (8), a cabinet body (19), a fiber storage chamber (16), a fusion distribution integrated single-disk mounting frame (21), a straight-through device (12), an optical cable fixing device (7), a fusion distribution integrated single disk (14), a straight-through optical cable (9), a homing optical cable (10), a feeder optical cable (11), an optical cable fixing device (7), a straight-through device (12), a cable manager (17) and a right cable passing ring (15). The optical cable cross connection cabinet is characterized in that the optical cable cross connection cabinet also comprises an additional fusion distribution integrated single disk (13), an optical splitter frame (3), an optical splitter (6), a left cable passing ring (1) and an optical splitter tail fiber (2). One optical cable cross connection cabinet can cover 288 users by addingone fusion distribution integrated single disk and the optical splitter frame, and achieve the aim of increasing the quantity of covered users; and 165 jumper wires are saved during full configuratio n by adopting a tail fiber type optical splitter, and the investment cost can be greatly reduced.
Description
(1) technical field
The present invention relates to a kind of fiber cable cross connection box.Be exclusively used in the EPON of Optical Access Network and the GPON system interface as backbone optical cable and optical distribution cable.Realize that Fiber to the home and optical fiber arrives buildings.Belong to the optical device technical field.
(2) background technology
Fiber cable cross connection box is the interfacing equipment of backbone optical cable and optical distribution cable in GPON (ethernet EPON of new generation) and EPON (ethernet EPON) Optical Access Network, capacity 288 cores.The connection of being connected with optical cable of the distribution of realizing storage, the optical fiber of welding, the optical fiber of optical fiber.Communicating energetically at present the construction of aspect, especially Fiber to the home, and optical fiber is all realized by GPON or EPON principle to buildings.Take residential quarters as example, after backbone optical cable is sent to the residential quarter with the high power capacity signal, signal is dispensed to each resident family, this distributes the signal of simple optical fiber with regard to requiring, the distribution of light signal realizes that by optical branching device optical branching device just must place in the fiber cable cross connection box.Optical branching device mainly is 1:32 at present, and namely 1 the tunnel is divided into 32 the tunnel.At present, in the fiber cable cross connection box of usefulness, the mounting means of shunt mainly is to use branching unit tray, at branching unit tray 33 SC adapters is installed, and wherein 1 is the access for signal, and 32 are used for signal output.Shunt places in the pallet, such as Fig. 1.Pallet and molten join integrated single-deck and be fitted together.Some is 19 inches standard distributing frames directly placing 1U in fiber cable cross connection box, and distributing frame can only fill 21 adapters, can not satisfy the interface capacity of 1:32 shunt.More than in the method for two kinds of placement shunts the latter no longer be used, the main flow form is for the former.
Now just place the mode of pallet to analyze to shunt.Can load onto 33 SC adapters in order to satisfy a pallet, in fact can fill 34, because be to be divided into two rows on the structure, so the adapter installing port occurs in pairs, actually use 33 interfaces, leave a blank or for subsequent use for one.Owing to will satisfy 33 adaptor interfaces, the height of pallet equals two molten summations of joining integrated single-deck height.Therefore a pallet has just taken two molten spaces of joining integrated single-deck.Conventional cable cross-connecting box for 288 core capacity, its standard configuration is 24 and molten joins integrated single-deck, because a pallet has just taken two molten spaces of joining integrated single-deck, therefore, the fiber cable cross connection box of capacity 288 cores is actually does not in theory have 288 cores, can't cover 288 users.The user of cover-most just must 5 1:32 optical branching devices of configuration to greatest extent if make a fiber cable cross connection box, cover altogether 5x32=160 user.Use 5 pallets, these 5 pallets have taken 10 molten spaces of joining integrated single-deck altogether.Join integrated single-deck because 24 of multipotency configurations of the fiber cable cross connection box of 288 cores are molten, therefore, now fiber cable cross connection box can only be joined at most 14 and moltenly be joined integrated single-deck, each is molten joins integrated single-deck 12 SC or FC interface, have 168 interfaces, wherein use 5 interfaces as the signal input of optical branching device, remaining 163 interfaces also, multipotency covers 163 users.Therefore but 5 optical branching devices can only cover 160 users, and the in fact multipotency of the fiber cable cross connection box of 288 cores covers 160 users, wherein has 3 interfaces idle.So just can't satisfy the requirement of concentrating dwelling house.
Further analyze again from Fig. 1, owing to adopted the in-built optical branching device of pallet, the tail optical fiber joint of optical branching device is connected with SC adapter on the pallet, after entering fiber cable cross connection box from EPON or the descending light signal of GPON by optical cable, in nethermost molten joining in the integrated single-deck and the tail optical fiber welding, tail wires of fiber optics is connected with molten SC adapter of joining on the integrated single-deck again.Therefore, in fiber cable cross connection box, from molten joining to increase an optical patchcord between the input port of integrated single-deck signal output to the pallet and connect.5 optical branching devices just need 5 wire jumpers; Simultaneously, also want an optical patchcord to connect from the signal output on the pallet to melting between the input port of joining integrated single-deck.When full configuration, altogether to increase by 165 optical patchcords, cost has also just increased.Wire jumper one increases, and just use not in the fiber optic storage space, brings inconvenience to administering and maintaining.Moreover, analyze from signal quality, the optical power attenuation of light signal mainly is because line length and splicing loss produce in the cable link, each splicing loss is 0.5dB, in the conventional cable cross-connecting box, connect with an optical patchcord to melting between the input port of joining integrated single-deck from the signal output on the pallet, therefore increased an active joint, corresponding circuit has also increased the optical power loss of 0.5dB.Optical power loss and transmission range are the relations of being inversely proportional to, and power attenuation is large, and transmission range is just short.
(3) summary of the invention
The object of the invention is to overcome the technical deficiency of conventional cable cross-connecting box, provide in a kind of situation not increasing the fiber cable cross connection box volume, a fiber cable cross connection box can cover 288 users, simultaneously can increase transmission range, joint quantity takes in sail, rational in infrastructure, installation and maintenance easily optical fiber to buildings and Fiber to the home special optical cable cross-connecting box.
The object of the present invention is achieved like this: a kind of optical fiber is to buildings and Fiber to the home special optical cable cross-connecting box, comprise pedestal, casing, the fiber storage chamber, melt and join integrated single-deck erecting frame, straight-through device, optical cable fixing device, melt and join integrated single-deck, straight-through optical cable, settle optical cable, feeder line optic cable, optical cable fixing device, straight-through device, line winder and right Overline ring, described casing is installed on the pedestal, the fiber storage chamber is arranged in the casing, melt and join integrated single-deck erecting frame, straight-through device and optical cable fixing device are arranged at the right chamber of fiber storage chamber from top to bottom, molten join integrated single-deck and have, vertically be plugged in from top to bottom molten joining on the integrated single-deck erecting frame, describedly molten join integrated single-deck and connect and settle optical cable, described straight-through optical cable, settling optical cable and feeder line optic cable is fixedly connected on the described optical cable fixing device, two straight-through optical cables carry out welding mutually by straight-through device, described right Overline ring is installed on the right inside wall of casing, it is characterized in that: described fiber cable cross connection box also includes the newly-increased molten integrated single-deck of joining, the optical branching device frame, optical branching device, left Overline ring and optical branching device tail optical fiber;
Describedly newly-increased molten join integrated single-deck and have one, be arranged at the molten integrated single-deck below of joining;
Described line winder is arranged at the left chamber top of fiber storage chamber, the optical branching device frame is arranged at the left chamber bottom of fiber storage chamber, this optical branching device frame inwall is vertically arranged with sliding rail, with pluggable mode plate is installed vertically on the sliding rail, on the described plate optical branching device is installed, this optical branching device adopts tail fiber type optical branching device, and the input end of this optical branching device is connected with feeder line optic cable by the SC adapter, the output terminal of optical branching device by the SC adapter direct with settle optical cable and be connected;
Described left Overline ring is installed on the left inside wall of casing, described optical branching device tail optical fiber output terminal passes left Overline ring and settles optical cable with molten SC interface access of joining on the integrated single-deck, optical branching device tail optical fiber input end passes left Overline ring and newly-increased molten SC interface access feeder line optic cable of joining on the integrated single-deck, and the optical cable of optical branching device tail optical fiber is walked around line winder and be stored in fiber storage indoor.
Optical fiber of the present invention is characterized in that to buildings and Fiber to the home special optical cable cross-connecting box: describedly moltenly join integrated single-deck and newly-increasedly moltenly join integrated single-deck and all adopt the forced structure in 45 degree oblique angles.
The invention has the beneficial effects as follows:
1, will melt and join integrated single-deck erecting frame and the fiber storage chamber is moved on the whole certain distance and moved down straight-through device and a bit of distance of optical cable fixing device, moltenly join integrated single-deck so that there is sufficient space to hold 25, and the capacity of straight-through device not change.
2, use 25 moltenly to join integrated single-deck, each is molten joins integrated single-deck 12 interfaces, adopts the SC adapter, each interface connects a core and settles optical cable, enlarge the covering number of users of fiber cable cross connection box, realized covering 288 users' purpose, saved the usage quantity of fiber cable cross connection box; Melt and join the forced structure in integrated single-deck employing 45 degree oblique angles, help avoid laser direct projection people's eyes, the protection people penetrates safety.
3, used the optical branching device frame, optical branching device frame of a fiber cable cross connection box body and function, its capacity holds 9 1:32 optical branching devices for multipotency.Optical branching device frame inwall is equipped with sliding rail, and optical branching device is installed on the plate, and plate inserts on the sliding rail and gets final product during installation.Easy for installation.
4, used the tail fiber type optical branching device, the input end of optical branching device is connected with feeder line optic cable by the SC adapter, the output terminal of optical branching device by the SC adapter directly with settle optical cable and be connected, the centre need wire jumper, can reduce by an active joint, the decay of light chain is the corresponding 0.5dB that is reduced to also, and linkage length can increase more than the transmission 1000m.
5, at the left inside wall of optical cable cross-connecting box casing the left fine ring of crossing has been installed, optical branching device tail optical fiber cabling usefulness is provided, long optical branching device tail optical fiber optical cable is walked around line winder and is stored in fiber storage indoor.So that the tail optical fiber cabling is reasonable, be convenient to install.
6, reduce fiber storage chamber size size, owing to adopt tail fiber type optical splitter, connect without wire jumper in the fiber cable cross connection box, can economize space, a lot of fiber storages chamber.
7, straight-through optical cable carries out welding by straight-through device, does not affect its fixed capacity.This structure can greatly reduce for maintenance and management aspect workload, operates simpler.
In sum, the present invention is by optimizing structure in the fiber cable cross connection box, having increased by one and moltenly join integrated single-deck and optical branching device frame, and a fiber cable cross connection box just can cover 288 users.Having reached increases the purpose that covers number of users; The present invention adopts tail fiber type optical splitter, has saved 165 wire jumpers during full configuration, also reduces by an active joint simultaneously, makes cable link can increase at least 1000m.Therefore, cost of investment can greatly reduce.
(4) description of drawings
Fig. 1 for optical fiber in the past to buildings and Fiber to the home special optical cable cross-connecting box structural representation.
Fig. 2 is optical fiber of the present invention to buildings and Fiber to the home special optical cable cross-connecting box structural representation.
Fig. 3 is optical fiber of the present invention to buildings and Fiber to the home special optical cable cross-connecting box schematic diagram.
Respectively representative of sequence number sign among the figure:
Left Overline ring 1
Optical branching device tail optical fiber 2
Optical branching device frame 3
Sliding rail 4
Plate 5
Optical branching device 6
Optical cable fixing device 7
Pedestal 8
Straight-through optical cable 9
Settle optical cable 10
Feeder line optic cable 11
Straight-through device 12
The newly-increased molten integrated single-deck 13 of joining
Melt and join integrated single-deck 14
Right Overline ring 15
Line winder 17
Wire jumper 18
Casing 19
Chamber door 20
Melt and join integrated single-deck erecting frame 21.
(5) embodiment
Referring to Fig. 2～3, optical fiber of the present invention is to buildings and Fiber to the home special optical cable cross-connecting box, mainly by pedestal 8, casing 19, fiber storage chamber 16, moltenly join integrated single-deck erecting frame 21, straight-through device 12, optical cable fixing device 7, moltenly join integrated single-deck 14, newly-increasedly moltenly join integrated single-deck 13, straight-through optical cable 9, settle optical cable 10, feeder line optic cable 11, optical cable fixing device 7, straight-through device 12, line winder 17, optical branching device frame 3, sliding rail 4, plate 5, right Overline ring 15, left Overline ring 1 and optical branching device tail optical fiber 2 and form.Described casing 19 is installed on the pedestal 8, fiber storage chamber 16 is arranged in the casing 19, melt and join the right chamber that integrated single-deck erecting frame 21, straight-through device 12 and optical cable fixing device 7 are arranged at fiber storage chamber 16 from top to bottom, describedly molten join integrated single-deck and have 25, vertically be plugged in from top to bottom molten joining on the integrated single-deck erecting frame 21, wherein molten join integrated single-deck 14 and be used for connecting and settle optical cable 10 for 24, another one is newly-increased molten joins integrated single-deck 13 and is used for connecting that 11,25 of the feeder line optic cables of downgoing signal are molten joins integrated single-deck and all adopt the forced structure in 45 degree oblique angles.Described straight-through optical cable 9, settle optical cable 10 and feeder line optic cable 11 is fixedly connected on the described optical cable fixing device 7.Two straight-through optical cables 9 carry out welding mutually by straight-through device 12.
Described line winder 17 is arranged at the left chamber top of fiber storage chamber 16, optical branching device frame 3 is arranged at the left chamber bottom of fiber storage chamber 16, optical branching device frame 3 inwalls are vertically arranged with sliding rail 4, optical branching device 6 adopts the tail fiber type optical branching device, optical branching device 6 is installed on the plate 5, and plate 5 vertically is installed on the sliding rail 4 with pluggable mode.The input end of optical branching device 6 is connected with feeder line optic cable 11 by the SC adapter, the output terminal of optical branching device 6 by the SC adapter direct with settle optical cable 10 and be connected.
Described right Overline ring 15 is installed on the casing 19 right inside walls, left Overline ring 1 is installed on the casing 19 left inside walls, after optical branching device tail optical fiber 2 output terminals pass left Overline ring 1, settle optical cable 10 with molten SC interface access of joining on the integrated single-deck 14, after optical branching device tail optical fiber 2 input ends pass left Overline ring 1, with newly-increased molten SC interface access feeder line optic cable 11 of joining on the integrated single-deck 13, long optical branching device tail optical fiber 2 optical cables are walked around line winder 17 and are stored in the fiber storage chamber 16.
Claims (2)
1. an optical fiber is to buildings and Fiber to the home special optical cable cross-connecting box, comprise pedestal (8), casing (19), fiber storage chamber (16), the molten integrated single-deck erecting frame (21) of joining, straight-through device (12), optical cable fixing device (7), the molten integrated single-deck (14) of joining, straight-through optical cable (9), settle optical cable (10), feeder line optic cable (11), line winder (17) and right Overline ring (15), described casing (19) is installed on the pedestal (8), fiber storage chamber (16) is arranged in the casing (19), the molten integrated single-deck erecting frame (21) of joining, straight-through device (12) and optical cable fixing device (7) are arranged at the right chamber of fiber storage chamber (16) from top to bottom, molten join integrated single-deck (14) and have 24, vertically be plugged in from top to bottom molten joining on the integrated single-deck erecting frame (21), described straight-through optical cable (9), settling optical cable (10) and feeder line optic cable (11) is fixedly connected on the described optical cable fixing device (7), two straight-through optical cables (9) carry out welding mutually by straight-through device (12), described right Overline ring (15) is installed on the right inside wall of casing (19), it is characterized in that: described fiber cable cross connection box also includes the newly-increased molten integrated single-deck (13) of joining, optical branching device frame (3), optical branching device (6), left Overline ring (1) and optical branching device tail optical fiber (2);
Describedly newly-increased molten join integrated single-deck (13) and have one, be arranged at molten integrated single-deck (14) below of joining;
Described line winder (17) is arranged at the left chamber top of fiber storage chamber (16), optical branching device frame (3) is arranged at the left chamber bottom of fiber storage chamber (16), this optical branching device frame (3) inwall is vertically arranged with sliding rail (4), sliding rail (4) is upper vertically to be equipped with plate (5) with pluggable mode, the upper optical branching device (6) of installing of described plate (5), this optical branching device (6) adopts the tail fiber type optical branching device, the input end of this optical branching device (6) is connected with feeder line optic cable (11) by the SC adapter, the output terminal of optical branching device (6) by the SC adapter direct with settle optical cable (10) and be connected;
Described left Overline ring (1) is installed on the left inside wall of casing (19), the tail optical fiber of described optical branching device output terminal passes left Overline ring (1) and settles optical cable (10) by molten SC adapter access of joining on the integrated single-deck (14), the tail optical fiber of optical branching device input end passes left Overline ring (1) by newly-increased molten SC adapter access feeder line optic cable (11) of joining on the integrated single-deck (13), and the optical cable of the tail optical fiber of optical branching device input end and the tail optical fiber of output terminal is walked around line winder (17) and is stored in the fiber storage chamber (16).
2. a kind of optical fiber according to claim 1 is characterized in that to buildings and Fiber to the home special optical cable cross-connecting box: describedly moltenly join integrated single-deck (14) and the newly-increased molten integrated single-deck (13) of joining all adopts 45 to spend the forced structure in oblique angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910027402 CN101566712B (en) | 2009-05-11 | 2009-05-11 | Optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910027402 CN101566712B (en) | 2009-05-11 | 2009-05-11 | Optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101566712A CN101566712A (en) | 2009-10-28 |
| CN101566712B true CN101566712B (en) | 2013-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910027402 Expired - Fee Related CN101566712B (en) | 2009-05-11 | 2009-05-11 | Optical cable cross connection cabinet special for FTTB (fiber to the building) and FTTH (fiber to the home) |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101566712B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776785B (en) * | 2010-02-24 | 2011-06-22 | 南京普天长乐通信设备有限公司 | Tow path management system used for optical cable distribution box in optical fiber access network |
| CN102141663B (en) * | 2010-05-07 | 2013-03-20 | 董国耀 | Optical cable terminal-free fiber distribution box and winding method thereof |
| CN101923197A (en) * | 2010-08-04 | 2010-12-22 | 南京华脉科技有限公司 | Main distribution frame for fiber |
| CN101957485B (en) * | 2010-11-03 | 2012-07-25 | 南京华脉科技有限公司 | Outdoor direct-coupled optical cable wiring direct-smelting shunt multifunctional box for communication industry |
| CN102253462A (en) * | 2011-08-18 | 2011-11-23 | 成都前宏通讯有限责任公司 | Novel jumper-free optical cable cross connecting cabinet |
| CN102411180A (en) * | 2011-11-25 | 2012-04-11 | 苏州新海宜通信科技股份有限公司 | Improved outdoor cabinet light cross connecting box |
| CN102419465A (en) * | 2011-11-25 | 2012-04-18 | 苏州新海宜通信科技股份有限公司 | Non-jumper-connection optical cable cross connecting box |
| CN112051653A (en) * | 2020-10-17 | 2020-12-08 | 深圳榕亨实业集团有限公司 | High-density mounting structure of communication convergence intelligent cabinet and mounting mode thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1969214A (en) * | 2004-06-18 | 2007-05-23 | Adc电信公司 | Multi-position fiber optic connector holder for storing fiber optic connectors in telecommunications connection cabinet and corresponding method |
| CN201402334Y (en) * | 2009-05-11 | 2010-02-10 | 江阴法尔胜长兴光器件有限公司 | Novel dedicated optical cable transfer box for optical fiber to building and optical fiber to home |
-
2009
- 2009-05-11 CN CN 200910027402 patent/CN101566712B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1969214A (en) * | 2004-06-18 | 2007-05-23 | Adc电信公司 | Multi-position fiber optic connector holder for storing fiber optic connectors in telecommunications connection cabinet and corresponding method |
| CN201402334Y (en) * | 2009-05-11 | 2010-02-10 | 江阴法尔胜长兴光器件有限公司 | Novel dedicated optical cable transfer box for optical fiber to building and optical fiber to home |
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| CN101566712A (en) | 2009-10-28 |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 214434, fortress Road, Jiangyin Development Zone, Jiangsu, 7 Applicant after: Jiangyin Faersheng Changing Optical Devices Co., Ltd. Address before: 214434, fortress Road, Jiangyin Development Zone, Jiangsu, 7 Applicant before: Jiangyin Faer Shengchang Xingguang Devices Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: JIANGYIN FAER SHENGCHANG XINGGUANG DEVICES CO., LTD. TO: JIANGYIN CHANGXING OPTIC DEVICES CO., LTD. |
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Granted publication date: 20130313 Termination date: 20140511 |